(function webpackUniversalModuleDefinition(root, factory) {
	if(typeof exports === 'object' && typeof module === 'object')
		module.exports = factory(require("vue"));
	else if(typeof define === 'function' && define.amd)
		define([], factory);
	else if(typeof exports === 'object')
		exports["wl-explorer"] = factory(require("vue"));
	else
		root["wl-explorer"] = factory(root["Vue"]);
})((typeof self !== 'undefined' ? self : this), function(__WEBPACK_EXTERNAL_MODULE__8bbf__) {
return /******/ (function(modules) { // webpackBootstrap
/******/ 	// The module cache
/******/ 	var installedModules = {};
/******/
/******/ 	// The require function
/******/ 	function __webpack_require__(moduleId) {
/******/
/******/ 		// Check if module is in cache
/******/ 		if(installedModules[moduleId]) {
/******/ 			return installedModules[moduleId].exports;
/******/ 		}
/******/ 		// Create a new module (and put it into the cache)
/******/ 		var module = installedModules[moduleId] = {
/******/ 			i: moduleId,
/******/ 			l: false,
/******/ 			exports: {}
/******/ 		};
/******/
/******/ 		// Execute the module function
/******/ 		modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);
/******/
/******/ 		// Flag the module as loaded
/******/ 		module.l = true;
/******/
/******/ 		// Return the exports of the module
/******/ 		return module.exports;
/******/ 	}
/******/
/******/
/******/ 	// expose the modules object (__webpack_modules__)
/******/ 	__webpack_require__.m = modules;
/******/
/******/ 	// expose the module cache
/******/ 	__webpack_require__.c = installedModules;
/******/
/******/ 	// define getter function for harmony exports
/******/ 	__webpack_require__.d = function(exports, name, getter) {
/******/ 		if(!__webpack_require__.o(exports, name)) {
/******/ 			Object.defineProperty(exports, name, { enumerable: true, get: getter });
/******/ 		}
/******/ 	};
/******/
/******/ 	// define __esModule on exports
/******/ 	__webpack_require__.r = function(exports) {
/******/ 		if(typeof Symbol !== 'undefined' && Symbol.toStringTag) {
/******/ 			Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });
/******/ 		}
/******/ 		Object.defineProperty(exports, '__esModule', { value: true });
/******/ 	};
/******/
/******/ 	// create a fake namespace object
/******/ 	// mode & 1: value is a module id, require it
/******/ 	// mode & 2: merge all properties of value into the ns
/******/ 	// mode & 4: return value when already ns object
/******/ 	// mode & 8|1: behave like require
/******/ 	__webpack_require__.t = function(value, mode) {
/******/ 		if(mode & 1) value = __webpack_require__(value);
/******/ 		if(mode & 8) return value;
/******/ 		if((mode & 4) && typeof value === 'object' && value && value.__esModule) return value;
/******/ 		var ns = Object.create(null);
/******/ 		__webpack_require__.r(ns);
/******/ 		Object.defineProperty(ns, 'default', { enumerable: true, value: value });
/******/ 		if(mode & 2 && typeof value != 'string') for(var key in value) __webpack_require__.d(ns, key, function(key) { return value[key]; }.bind(null, key));
/******/ 		return ns;
/******/ 	};
/******/
/******/ 	// getDefaultExport function for compatibility with non-harmony modules
/******/ 	__webpack_require__.n = function(module) {
/******/ 		var getter = module && module.__esModule ?
/******/ 			function getDefault() { return module['default']; } :
/******/ 			function getModuleExports() { return module; };
/******/ 		__webpack_require__.d(getter, 'a', getter);
/******/ 		return getter;
/******/ 	};
/******/
/******/ 	// Object.prototype.hasOwnProperty.call
/******/ 	__webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };
/******/
/******/ 	// __webpack_public_path__
/******/ 	__webpack_require__.p = "";
/******/
/******/
/******/ 	// Load entry module and return exports
/******/ 	return __webpack_require__(__webpack_require__.s = "fb15");
/******/ })
/************************************************************************/
/******/ ({

/***/ 0:
/***/ (function(module, exports) {

/* (ignored) */

/***/ }),

/***/ "00ee":
/***/ (function(module, exports, __webpack_require__) {

var wellKnownSymbol = __webpack_require__("b622");

var TO_STRING_TAG = wellKnownSymbol('toStringTag');
var test = {};

test[TO_STRING_TAG] = 'z';

module.exports = String(test) === '[object z]';


/***/ }),

/***/ "0366":
/***/ (function(module, exports, __webpack_require__) {

var aFunction = __webpack_require__("1c0b");

// optional / simple context binding
module.exports = function (fn, that, length) {
  aFunction(fn);
  if (that === undefined) return fn;
  switch (length) {
    case 0: return function () {
      return fn.call(that);
    };
    case 1: return function (a) {
      return fn.call(that, a);
    };
    case 2: return function (a, b) {
      return fn.call(that, a, b);
    };
    case 3: return function (a, b, c) {
      return fn.call(that, a, b, c);
    };
  }
  return function (/* ...args */) {
    return fn.apply(that, arguments);
  };
};


/***/ }),

/***/ "057f":
/***/ (function(module, exports, __webpack_require__) {

var toIndexedObject = __webpack_require__("fc6a");
var nativeGetOwnPropertyNames = __webpack_require__("241c").f;

var toString = {}.toString;

var windowNames = typeof window == 'object' && window && Object.getOwnPropertyNames
  ? Object.getOwnPropertyNames(window) : [];

var getWindowNames = function (it) {
  try {
    return nativeGetOwnPropertyNames(it);
  } catch (error) {
    return windowNames.slice();
  }
};

// fallback for IE11 buggy Object.getOwnPropertyNames with iframe and window
module.exports.f = function getOwnPropertyNames(it) {
  return windowNames && toString.call(it) == '[object Window]'
    ? getWindowNames(it)
    : nativeGetOwnPropertyNames(toIndexedObject(it));
};


/***/ }),

/***/ "06cf":
/***/ (function(module, exports, __webpack_require__) {

var DESCRIPTORS = __webpack_require__("83ab");
var propertyIsEnumerableModule = __webpack_require__("d1e7");
var createPropertyDescriptor = __webpack_require__("5c6c");
var toIndexedObject = __webpack_require__("fc6a");
var toPrimitive = __webpack_require__("c04e");
var has = __webpack_require__("5135");
var IE8_DOM_DEFINE = __webpack_require__("0cfb");

var nativeGetOwnPropertyDescriptor = Object.getOwnPropertyDescriptor;

// `Object.getOwnPropertyDescriptor` method
// https://tc39.github.io/ecma262/#sec-object.getownpropertydescriptor
exports.f = DESCRIPTORS ? nativeGetOwnPropertyDescriptor : function getOwnPropertyDescriptor(O, P) {
  O = toIndexedObject(O);
  P = toPrimitive(P, true);
  if (IE8_DOM_DEFINE) try {
    return nativeGetOwnPropertyDescriptor(O, P);
  } catch (error) { /* empty */ }
  if (has(O, P)) return createPropertyDescriptor(!propertyIsEnumerableModule.f.call(O, P), O[P]);
};


/***/ }),

/***/ "0cfb":
/***/ (function(module, exports, __webpack_require__) {

var DESCRIPTORS = __webpack_require__("83ab");
var fails = __webpack_require__("d039");
var createElement = __webpack_require__("cc12");

// Thank's IE8 for his funny defineProperty
module.exports = !DESCRIPTORS && !fails(function () {
  return Object.defineProperty(createElement('div'), 'a', {
    get: function () { return 7; }
  }).a != 7;
});


/***/ }),

/***/ "0d3b":
/***/ (function(module, exports, __webpack_require__) {

var fails = __webpack_require__("d039");
var wellKnownSymbol = __webpack_require__("b622");
var IS_PURE = __webpack_require__("c430");

var ITERATOR = wellKnownSymbol('iterator');

module.exports = !fails(function () {
  var url = new URL('b?a=1&b=2&c=3', 'http://a');
  var searchParams = url.searchParams;
  var result = '';
  url.pathname = 'c%20d';
  searchParams.forEach(function (value, key) {
    searchParams['delete']('b');
    result += key + value;
  });
  return (IS_PURE && !url.toJSON)
    || !searchParams.sort
    || url.href !== 'http://a/c%20d?a=1&c=3'
    || searchParams.get('c') !== '3'
    || String(new URLSearchParams('?a=1')) !== 'a=1'
    || !searchParams[ITERATOR]
    // throws in Edge
    || new URL('https://a@b').username !== 'a'
    || new URLSearchParams(new URLSearchParams('a=b')).get('a') !== 'b'
    // not punycoded in Edge
    || new URL('http://тест').host !== 'xn--e1aybc'
    // not escaped in Chrome 62-
    || new URL('http://a#б').hash !== '#%D0%B1'
    // fails in Chrome 66-
    || result !== 'a1c3'
    // throws in Safari
    || new URL('http://x', undefined).host !== 'x';
});


/***/ }),

/***/ "0fb7":
/***/ (function(module, exports, __webpack_require__) {

// extracted by mini-css-extract-plugin

/***/ }),

/***/ "1276":
/***/ (function(module, exports, __webpack_require__) {

"use strict";

var fixRegExpWellKnownSymbolLogic = __webpack_require__("d784");
var isRegExp = __webpack_require__("44e7");
var anObject = __webpack_require__("825a");
var requireObjectCoercible = __webpack_require__("1d80");
var speciesConstructor = __webpack_require__("4840");
var advanceStringIndex = __webpack_require__("8aa5");
var toLength = __webpack_require__("50c4");
var callRegExpExec = __webpack_require__("14c3");
var regexpExec = __webpack_require__("9263");
var fails = __webpack_require__("d039");

var arrayPush = [].push;
var min = Math.min;
var MAX_UINT32 = 0xFFFFFFFF;

// babel-minify transpiles RegExp('x', 'y') -> /x/y and it causes SyntaxError
var SUPPORTS_Y = !fails(function () { return !RegExp(MAX_UINT32, 'y'); });

// @@split logic
fixRegExpWellKnownSymbolLogic('split', 2, function (SPLIT, nativeSplit, maybeCallNative) {
  var internalSplit;
  if (
    'abbc'.split(/(b)*/)[1] == 'c' ||
    'test'.split(/(?:)/, -1).length != 4 ||
    'ab'.split(/(?:ab)*/).length != 2 ||
    '.'.split(/(.?)(.?)/).length != 4 ||
    '.'.split(/()()/).length > 1 ||
    ''.split(/.?/).length
  ) {
    // based on es5-shim implementation, need to rework it
    internalSplit = function (separator, limit) {
      var string = String(requireObjectCoercible(this));
      var lim = limit === undefined ? MAX_UINT32 : limit >>> 0;
      if (lim === 0) return [];
      if (separator === undefined) return [string];
      // If `separator` is not a regex, use native split
      if (!isRegExp(separator)) {
        return nativeSplit.call(string, separator, lim);
      }
      var output = [];
      var flags = (separator.ignoreCase ? 'i' : '') +
                  (separator.multiline ? 'm' : '') +
                  (separator.unicode ? 'u' : '') +
                  (separator.sticky ? 'y' : '');
      var lastLastIndex = 0;
      // Make `global` and avoid `lastIndex` issues by working with a copy
      var separatorCopy = new RegExp(separator.source, flags + 'g');
      var match, lastIndex, lastLength;
      while (match = regexpExec.call(separatorCopy, string)) {
        lastIndex = separatorCopy.lastIndex;
        if (lastIndex > lastLastIndex) {
          output.push(string.slice(lastLastIndex, match.index));
          if (match.length > 1 && match.index < string.length) arrayPush.apply(output, match.slice(1));
          lastLength = match[0].length;
          lastLastIndex = lastIndex;
          if (output.length >= lim) break;
        }
        if (separatorCopy.lastIndex === match.index) separatorCopy.lastIndex++; // Avoid an infinite loop
      }
      if (lastLastIndex === string.length) {
        if (lastLength || !separatorCopy.test('')) output.push('');
      } else output.push(string.slice(lastLastIndex));
      return output.length > lim ? output.slice(0, lim) : output;
    };
  // Chakra, V8
  } else if ('0'.split(undefined, 0).length) {
    internalSplit = function (separator, limit) {
      return separator === undefined && limit === 0 ? [] : nativeSplit.call(this, separator, limit);
    };
  } else internalSplit = nativeSplit;

  return [
    // `String.prototype.split` method
    // https://tc39.github.io/ecma262/#sec-string.prototype.split
    function split(separator, limit) {
      var O = requireObjectCoercible(this);
      var splitter = separator == undefined ? undefined : separator[SPLIT];
      return splitter !== undefined
        ? splitter.call(separator, O, limit)
        : internalSplit.call(String(O), separator, limit);
    },
    // `RegExp.prototype[@@split]` method
    // https://tc39.github.io/ecma262/#sec-regexp.prototype-@@split
    //
    // NOTE: This cannot be properly polyfilled in engines that don't support
    // the 'y' flag.
    function (regexp, limit) {
      var res = maybeCallNative(internalSplit, regexp, this, limit, internalSplit !== nativeSplit);
      if (res.done) return res.value;

      var rx = anObject(regexp);
      var S = String(this);
      var C = speciesConstructor(rx, RegExp);

      var unicodeMatching = rx.unicode;
      var flags = (rx.ignoreCase ? 'i' : '') +
                  (rx.multiline ? 'm' : '') +
                  (rx.unicode ? 'u' : '') +
                  (SUPPORTS_Y ? 'y' : 'g');

      // ^(? + rx + ) is needed, in combination with some S slicing, to
      // simulate the 'y' flag.
      var splitter = new C(SUPPORTS_Y ? rx : '^(?:' + rx.source + ')', flags);
      var lim = limit === undefined ? MAX_UINT32 : limit >>> 0;
      if (lim === 0) return [];
      if (S.length === 0) return callRegExpExec(splitter, S) === null ? [S] : [];
      var p = 0;
      var q = 0;
      var A = [];
      while (q < S.length) {
        splitter.lastIndex = SUPPORTS_Y ? q : 0;
        var z = callRegExpExec(splitter, SUPPORTS_Y ? S : S.slice(q));
        var e;
        if (
          z === null ||
          (e = min(toLength(splitter.lastIndex + (SUPPORTS_Y ? 0 : q)), S.length)) === p
        ) {
          q = advanceStringIndex(S, q, unicodeMatching);
        } else {
          A.push(S.slice(p, q));
          if (A.length === lim) return A;
          for (var i = 1; i <= z.length - 1; i++) {
            A.push(z[i]);
            if (A.length === lim) return A;
          }
          q = p = e;
        }
      }
      A.push(S.slice(p));
      return A;
    }
  ];
}, !SUPPORTS_Y);


/***/ }),

/***/ "14c3":
/***/ (function(module, exports, __webpack_require__) {

var classof = __webpack_require__("c6b6");
var regexpExec = __webpack_require__("9263");

// `RegExpExec` abstract operation
// https://tc39.github.io/ecma262/#sec-regexpexec
module.exports = function (R, S) {
  var exec = R.exec;
  if (typeof exec === 'function') {
    var result = exec.call(R, S);
    if (typeof result !== 'object') {
      throw TypeError('RegExp exec method returned something other than an Object or null');
    }
    return result;
  }

  if (classof(R) !== 'RegExp') {
    throw TypeError('RegExp#exec called on incompatible receiver');
  }

  return regexpExec.call(R, S);
};



/***/ }),

/***/ "159b":
/***/ (function(module, exports, __webpack_require__) {

var global = __webpack_require__("da84");
var DOMIterables = __webpack_require__("fdbc");
var forEach = __webpack_require__("17c2");
var createNonEnumerableProperty = __webpack_require__("9112");

for (var COLLECTION_NAME in DOMIterables) {
  var Collection = global[COLLECTION_NAME];
  var CollectionPrototype = Collection && Collection.prototype;
  // some Chrome versions have non-configurable methods on DOMTokenList
  if (CollectionPrototype && CollectionPrototype.forEach !== forEach) try {
    createNonEnumerableProperty(CollectionPrototype, 'forEach', forEach);
  } catch (error) {
    CollectionPrototype.forEach = forEach;
  }
}


/***/ }),

/***/ "1635":
/***/ (function(module, exports) {

module.exports = "data:image/png;base64,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"

/***/ }),

/***/ "1640":
/***/ (function(module, exports) {

module.exports = "data:image/png;base64,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"

/***/ }),

/***/ "17c2":
/***/ (function(module, exports, __webpack_require__) {

"use strict";

var $forEach = __webpack_require__("b727").forEach;
var arrayMethodIsStrict = __webpack_require__("a640");
var arrayMethodUsesToLength = __webpack_require__("ae40");

var STRICT_METHOD = arrayMethodIsStrict('forEach');
var USES_TO_LENGTH = arrayMethodUsesToLength('forEach');

// `Array.prototype.forEach` method implementation
// https://tc39.github.io/ecma262/#sec-array.prototype.foreach
module.exports = (!STRICT_METHOD || !USES_TO_LENGTH) ? function forEach(callbackfn /* , thisArg */) {
  return $forEach(this, callbackfn, arguments.length > 1 ? arguments[1] : undefined);
} : [].forEach;


/***/ }),

/***/ "19aa":
/***/ (function(module, exports) {

module.exports = function (it, Constructor, name) {
  if (!(it instanceof Constructor)) {
    throw TypeError('Incorrect ' + (name ? name + ' ' : '') + 'invocation');
  } return it;
};


/***/ }),

/***/ "1b8d":
/***/ (function(module, exports) {

function clean (s) {
  return s.replace(/\n\r?\s*/g, '')
}


module.exports = function tsml (sa) {
  var s = ''
    , i = 0

  for (; i < arguments.length; i++)
    s += clean(sa[i]) + (arguments[i + 1] || '')

  return s
}

/***/ }),

/***/ "1be4":
/***/ (function(module, exports, __webpack_require__) {

var getBuiltIn = __webpack_require__("d066");

module.exports = getBuiltIn('document', 'documentElement');


/***/ }),

/***/ "1c0b":
/***/ (function(module, exports) {

module.exports = function (it) {
  if (typeof it != 'function') {
    throw TypeError(String(it) + ' is not a function');
  } return it;
};


/***/ }),

/***/ "1c7e":
/***/ (function(module, exports, __webpack_require__) {

var wellKnownSymbol = __webpack_require__("b622");

var ITERATOR = wellKnownSymbol('iterator');
var SAFE_CLOSING = false;

try {
  var called = 0;
  var iteratorWithReturn = {
    next: function () {
      return { done: !!called++ };
    },
    'return': function () {
      SAFE_CLOSING = true;
    }
  };
  iteratorWithReturn[ITERATOR] = function () {
    return this;
  };
  // eslint-disable-next-line no-throw-literal
  Array.from(iteratorWithReturn, function () { throw 2; });
} catch (error) { /* empty */ }

module.exports = function (exec, SKIP_CLOSING) {
  if (!SKIP_CLOSING && !SAFE_CLOSING) return false;
  var ITERATION_SUPPORT = false;
  try {
    var object = {};
    object[ITERATOR] = function () {
      return {
        next: function () {
          return { done: ITERATION_SUPPORT = true };
        }
      };
    };
    exec(object);
  } catch (error) { /* empty */ }
  return ITERATION_SUPPORT;
};


/***/ }),

/***/ "1d80":
/***/ (function(module, exports) {

// `RequireObjectCoercible` abstract operation
// https://tc39.github.io/ecma262/#sec-requireobjectcoercible
module.exports = function (it) {
  if (it == undefined) throw TypeError("Can't call method on " + it);
  return it;
};


/***/ }),

/***/ "1dde":
/***/ (function(module, exports, __webpack_require__) {

var fails = __webpack_require__("d039");
var wellKnownSymbol = __webpack_require__("b622");
var V8_VERSION = __webpack_require__("2d00");

var SPECIES = wellKnownSymbol('species');

module.exports = function (METHOD_NAME) {
  // We can't use this feature detection in V8 since it causes
  // deoptimization and serious performance degradation
  // https://github.com/zloirock/core-js/issues/677
  return V8_VERSION >= 51 || !fails(function () {
    var array = [];
    var constructor = array.constructor = {};
    constructor[SPECIES] = function () {
      return { foo: 1 };
    };
    return array[METHOD_NAME](Boolean).foo !== 1;
  });
};


/***/ }),

/***/ "20ec":
/***/ (function(module, exports, __webpack_require__) {

// extracted by mini-css-extract-plugin

/***/ }),

/***/ "22b1":
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
/* harmony import */ var _node_modules_mini_css_extract_plugin_dist_loader_js_ref_8_oneOf_1_0_node_modules_css_loader_dist_cjs_js_ref_8_oneOf_1_1_node_modules_vue_loader_lib_loaders_stylePostLoader_js_node_modules_postcss_loader_src_index_js_ref_8_oneOf_1_2_node_modules_sass_loader_dist_cjs_js_ref_8_oneOf_1_3_node_modules_cache_loader_dist_cjs_js_ref_0_0_node_modules_vue_loader_lib_index_js_vue_loader_options_file_view_vue_vue_type_style_index_0_lang_scss___WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__("d695");
/* harmony import */ var _node_modules_mini_css_extract_plugin_dist_loader_js_ref_8_oneOf_1_0_node_modules_css_loader_dist_cjs_js_ref_8_oneOf_1_1_node_modules_vue_loader_lib_loaders_stylePostLoader_js_node_modules_postcss_loader_src_index_js_ref_8_oneOf_1_2_node_modules_sass_loader_dist_cjs_js_ref_8_oneOf_1_3_node_modules_cache_loader_dist_cjs_js_ref_0_0_node_modules_vue_loader_lib_index_js_vue_loader_options_file_view_vue_vue_type_style_index_0_lang_scss___WEBPACK_IMPORTED_MODULE_0___default = /*#__PURE__*/__webpack_require__.n(_node_modules_mini_css_extract_plugin_dist_loader_js_ref_8_oneOf_1_0_node_modules_css_loader_dist_cjs_js_ref_8_oneOf_1_1_node_modules_vue_loader_lib_loaders_stylePostLoader_js_node_modules_postcss_loader_src_index_js_ref_8_oneOf_1_2_node_modules_sass_loader_dist_cjs_js_ref_8_oneOf_1_3_node_modules_cache_loader_dist_cjs_js_ref_0_0_node_modules_vue_loader_lib_index_js_vue_loader_options_file_view_vue_vue_type_style_index_0_lang_scss___WEBPACK_IMPORTED_MODULE_0__);
/* unused harmony reexport * */
 /* unused harmony default export */ var _unused_webpack_default_export = (_node_modules_mini_css_extract_plugin_dist_loader_js_ref_8_oneOf_1_0_node_modules_css_loader_dist_cjs_js_ref_8_oneOf_1_1_node_modules_vue_loader_lib_loaders_stylePostLoader_js_node_modules_postcss_loader_src_index_js_ref_8_oneOf_1_2_node_modules_sass_loader_dist_cjs_js_ref_8_oneOf_1_3_node_modules_cache_loader_dist_cjs_js_ref_0_0_node_modules_vue_loader_lib_index_js_vue_loader_options_file_view_vue_vue_type_style_index_0_lang_scss___WEBPACK_IMPORTED_MODULE_0___default.a); 

/***/ }),

/***/ "23cb":
/***/ (function(module, exports, __webpack_require__) {

var toInteger = __webpack_require__("a691");

var max = Math.max;
var min = Math.min;

// Helper for a popular repeating case of the spec:
// Let integer be ? ToInteger(index).
// If integer < 0, let result be max((length + integer), 0); else let result be min(integer, length).
module.exports = function (index, length) {
  var integer = toInteger(index);
  return integer < 0 ? max(integer + length, 0) : min(integer, length);
};


/***/ }),

/***/ "23e7":
/***/ (function(module, exports, __webpack_require__) {

var global = __webpack_require__("da84");
var getOwnPropertyDescriptor = __webpack_require__("06cf").f;
var createNonEnumerableProperty = __webpack_require__("9112");
var redefine = __webpack_require__("6eeb");
var setGlobal = __webpack_require__("ce4e");
var copyConstructorProperties = __webpack_require__("e893");
var isForced = __webpack_require__("94ca");

/*
  options.target      - name of the target object
  options.global      - target is the global object
  options.stat        - export as static methods of target
  options.proto       - export as prototype methods of target
  options.real        - real prototype method for the `pure` version
  options.forced      - export even if the native feature is available
  options.bind        - bind methods to the target, required for the `pure` version
  options.wrap        - wrap constructors to preventing global pollution, required for the `pure` version
  options.unsafe      - use the simple assignment of property instead of delete + defineProperty
  options.sham        - add a flag to not completely full polyfills
  options.enumerable  - export as enumerable property
  options.noTargetGet - prevent calling a getter on target
*/
module.exports = function (options, source) {
  var TARGET = options.target;
  var GLOBAL = options.global;
  var STATIC = options.stat;
  var FORCED, target, key, targetProperty, sourceProperty, descriptor;
  if (GLOBAL) {
    target = global;
  } else if (STATIC) {
    target = global[TARGET] || setGlobal(TARGET, {});
  } else {
    target = (global[TARGET] || {}).prototype;
  }
  if (target) for (key in source) {
    sourceProperty = source[key];
    if (options.noTargetGet) {
      descriptor = getOwnPropertyDescriptor(target, key);
      targetProperty = descriptor && descriptor.value;
    } else targetProperty = target[key];
    FORCED = isForced(GLOBAL ? key : TARGET + (STATIC ? '.' : '#') + key, options.forced);
    // contained in target
    if (!FORCED && targetProperty !== undefined) {
      if (typeof sourceProperty === typeof targetProperty) continue;
      copyConstructorProperties(sourceProperty, targetProperty);
    }
    // add a flag to not completely full polyfills
    if (options.sham || (targetProperty && targetProperty.sham)) {
      createNonEnumerableProperty(sourceProperty, 'sham', true);
    }
    // extend global
    redefine(target, key, sourceProperty, options);
  }
};


/***/ }),

/***/ "241c":
/***/ (function(module, exports, __webpack_require__) {

var internalObjectKeys = __webpack_require__("ca84");
var enumBugKeys = __webpack_require__("7839");

var hiddenKeys = enumBugKeys.concat('length', 'prototype');

// `Object.getOwnPropertyNames` method
// https://tc39.github.io/ecma262/#sec-object.getownpropertynames
exports.f = Object.getOwnPropertyNames || function getOwnPropertyNames(O) {
  return internalObjectKeys(O, hiddenKeys);
};


/***/ }),

/***/ "25f0":
/***/ (function(module, exports, __webpack_require__) {

"use strict";

var redefine = __webpack_require__("6eeb");
var anObject = __webpack_require__("825a");
var fails = __webpack_require__("d039");
var flags = __webpack_require__("ad6d");

var TO_STRING = 'toString';
var RegExpPrototype = RegExp.prototype;
var nativeToString = RegExpPrototype[TO_STRING];

var NOT_GENERIC = fails(function () { return nativeToString.call({ source: 'a', flags: 'b' }) != '/a/b'; });
// FF44- RegExp#toString has a wrong name
var INCORRECT_NAME = nativeToString.name != TO_STRING;

// `RegExp.prototype.toString` method
// https://tc39.github.io/ecma262/#sec-regexp.prototype.tostring
if (NOT_GENERIC || INCORRECT_NAME) {
  redefine(RegExp.prototype, TO_STRING, function toString() {
    var R = anObject(this);
    var p = String(R.source);
    var rf = R.flags;
    var f = String(rf === undefined && R instanceof RegExp && !('flags' in RegExpPrototype) ? flags.call(R) : rf);
    return '/' + p + '/' + f;
  }, { unsafe: true });
}


/***/ }),

/***/ "2b3d":
/***/ (function(module, exports, __webpack_require__) {

"use strict";

// TODO: in core-js@4, move /modules/ dependencies to public entries for better optimization by tools like `preset-env`
__webpack_require__("3ca3");
var $ = __webpack_require__("23e7");
var DESCRIPTORS = __webpack_require__("83ab");
var USE_NATIVE_URL = __webpack_require__("0d3b");
var global = __webpack_require__("da84");
var defineProperties = __webpack_require__("37e8");
var redefine = __webpack_require__("6eeb");
var anInstance = __webpack_require__("19aa");
var has = __webpack_require__("5135");
var assign = __webpack_require__("60da");
var arrayFrom = __webpack_require__("4df4");
var codeAt = __webpack_require__("6547").codeAt;
var toASCII = __webpack_require__("5fb2");
var setToStringTag = __webpack_require__("d44e");
var URLSearchParamsModule = __webpack_require__("9861");
var InternalStateModule = __webpack_require__("69f3");

var NativeURL = global.URL;
var URLSearchParams = URLSearchParamsModule.URLSearchParams;
var getInternalSearchParamsState = URLSearchParamsModule.getState;
var setInternalState = InternalStateModule.set;
var getInternalURLState = InternalStateModule.getterFor('URL');
var floor = Math.floor;
var pow = Math.pow;

var INVALID_AUTHORITY = 'Invalid authority';
var INVALID_SCHEME = 'Invalid scheme';
var INVALID_HOST = 'Invalid host';
var INVALID_PORT = 'Invalid port';

var ALPHA = /[A-Za-z]/;
var ALPHANUMERIC = /[\d+-.A-Za-z]/;
var DIGIT = /\d/;
var HEX_START = /^(0x|0X)/;
var OCT = /^[0-7]+$/;
var DEC = /^\d+$/;
var HEX = /^[\dA-Fa-f]+$/;
// eslint-disable-next-line no-control-regex
var FORBIDDEN_HOST_CODE_POINT = /[\u0000\u0009\u000A\u000D #%/:?@[\\]]/;
// eslint-disable-next-line no-control-regex
var FORBIDDEN_HOST_CODE_POINT_EXCLUDING_PERCENT = /[\u0000\u0009\u000A\u000D #/:?@[\\]]/;
// eslint-disable-next-line no-control-regex
var LEADING_AND_TRAILING_C0_CONTROL_OR_SPACE = /^[\u0000-\u001F ]+|[\u0000-\u001F ]+$/g;
// eslint-disable-next-line no-control-regex
var TAB_AND_NEW_LINE = /[\u0009\u000A\u000D]/g;
var EOF;

var parseHost = function (url, input) {
  var result, codePoints, index;
  if (input.charAt(0) == '[') {
    if (input.charAt(input.length - 1) != ']') return INVALID_HOST;
    result = parseIPv6(input.slice(1, -1));
    if (!result) return INVALID_HOST;
    url.host = result;
  // opaque host
  } else if (!isSpecial(url)) {
    if (FORBIDDEN_HOST_CODE_POINT_EXCLUDING_PERCENT.test(input)) return INVALID_HOST;
    result = '';
    codePoints = arrayFrom(input);
    for (index = 0; index < codePoints.length; index++) {
      result += percentEncode(codePoints[index], C0ControlPercentEncodeSet);
    }
    url.host = result;
  } else {
    input = toASCII(input);
    if (FORBIDDEN_HOST_CODE_POINT.test(input)) return INVALID_HOST;
    result = parseIPv4(input);
    if (result === null) return INVALID_HOST;
    url.host = result;
  }
};

var parseIPv4 = function (input) {
  var parts = input.split('.');
  var partsLength, numbers, index, part, radix, number, ipv4;
  if (parts.length && parts[parts.length - 1] == '') {
    parts.pop();
  }
  partsLength = parts.length;
  if (partsLength > 4) return input;
  numbers = [];
  for (index = 0; index < partsLength; index++) {
    part = parts[index];
    if (part == '') return input;
    radix = 10;
    if (part.length > 1 && part.charAt(0) == '0') {
      radix = HEX_START.test(part) ? 16 : 8;
      part = part.slice(radix == 8 ? 1 : 2);
    }
    if (part === '') {
      number = 0;
    } else {
      if (!(radix == 10 ? DEC : radix == 8 ? OCT : HEX).test(part)) return input;
      number = parseInt(part, radix);
    }
    numbers.push(number);
  }
  for (index = 0; index < partsLength; index++) {
    number = numbers[index];
    if (index == partsLength - 1) {
      if (number >= pow(256, 5 - partsLength)) return null;
    } else if (number > 255) return null;
  }
  ipv4 = numbers.pop();
  for (index = 0; index < numbers.length; index++) {
    ipv4 += numbers[index] * pow(256, 3 - index);
  }
  return ipv4;
};

// eslint-disable-next-line max-statements
var parseIPv6 = function (input) {
  var address = [0, 0, 0, 0, 0, 0, 0, 0];
  var pieceIndex = 0;
  var compress = null;
  var pointer = 0;
  var value, length, numbersSeen, ipv4Piece, number, swaps, swap;

  var char = function () {
    return input.charAt(pointer);
  };

  if (char() == ':') {
    if (input.charAt(1) != ':') return;
    pointer += 2;
    pieceIndex++;
    compress = pieceIndex;
  }
  while (char()) {
    if (pieceIndex == 8) return;
    if (char() == ':') {
      if (compress !== null) return;
      pointer++;
      pieceIndex++;
      compress = pieceIndex;
      continue;
    }
    value = length = 0;
    while (length < 4 && HEX.test(char())) {
      value = value * 16 + parseInt(char(), 16);
      pointer++;
      length++;
    }
    if (char() == '.') {
      if (length == 0) return;
      pointer -= length;
      if (pieceIndex > 6) return;
      numbersSeen = 0;
      while (char()) {
        ipv4Piece = null;
        if (numbersSeen > 0) {
          if (char() == '.' && numbersSeen < 4) pointer++;
          else return;
        }
        if (!DIGIT.test(char())) return;
        while (DIGIT.test(char())) {
          number = parseInt(char(), 10);
          if (ipv4Piece === null) ipv4Piece = number;
          else if (ipv4Piece == 0) return;
          else ipv4Piece = ipv4Piece * 10 + number;
          if (ipv4Piece > 255) return;
          pointer++;
        }
        address[pieceIndex] = address[pieceIndex] * 256 + ipv4Piece;
        numbersSeen++;
        if (numbersSeen == 2 || numbersSeen == 4) pieceIndex++;
      }
      if (numbersSeen != 4) return;
      break;
    } else if (char() == ':') {
      pointer++;
      if (!char()) return;
    } else if (char()) return;
    address[pieceIndex++] = value;
  }
  if (compress !== null) {
    swaps = pieceIndex - compress;
    pieceIndex = 7;
    while (pieceIndex != 0 && swaps > 0) {
      swap = address[pieceIndex];
      address[pieceIndex--] = address[compress + swaps - 1];
      address[compress + --swaps] = swap;
    }
  } else if (pieceIndex != 8) return;
  return address;
};

var findLongestZeroSequence = function (ipv6) {
  var maxIndex = null;
  var maxLength = 1;
  var currStart = null;
  var currLength = 0;
  var index = 0;
  for (; index < 8; index++) {
    if (ipv6[index] !== 0) {
      if (currLength > maxLength) {
        maxIndex = currStart;
        maxLength = currLength;
      }
      currStart = null;
      currLength = 0;
    } else {
      if (currStart === null) currStart = index;
      ++currLength;
    }
  }
  if (currLength > maxLength) {
    maxIndex = currStart;
    maxLength = currLength;
  }
  return maxIndex;
};

var serializeHost = function (host) {
  var result, index, compress, ignore0;
  // ipv4
  if (typeof host == 'number') {
    result = [];
    for (index = 0; index < 4; index++) {
      result.unshift(host % 256);
      host = floor(host / 256);
    } return result.join('.');
  // ipv6
  } else if (typeof host == 'object') {
    result = '';
    compress = findLongestZeroSequence(host);
    for (index = 0; index < 8; index++) {
      if (ignore0 && host[index] === 0) continue;
      if (ignore0) ignore0 = false;
      if (compress === index) {
        result += index ? ':' : '::';
        ignore0 = true;
      } else {
        result += host[index].toString(16);
        if (index < 7) result += ':';
      }
    }
    return '[' + result + ']';
  } return host;
};

var C0ControlPercentEncodeSet = {};
var fragmentPercentEncodeSet = assign({}, C0ControlPercentEncodeSet, {
  ' ': 1, '"': 1, '<': 1, '>': 1, '`': 1
});
var pathPercentEncodeSet = assign({}, fragmentPercentEncodeSet, {
  '#': 1, '?': 1, '{': 1, '}': 1
});
var userinfoPercentEncodeSet = assign({}, pathPercentEncodeSet, {
  '/': 1, ':': 1, ';': 1, '=': 1, '@': 1, '[': 1, '\\': 1, ']': 1, '^': 1, '|': 1
});

var percentEncode = function (char, set) {
  var code = codeAt(char, 0);
  return code > 0x20 && code < 0x7F && !has(set, char) ? char : encodeURIComponent(char);
};

var specialSchemes = {
  ftp: 21,
  file: null,
  http: 80,
  https: 443,
  ws: 80,
  wss: 443
};

var isSpecial = function (url) {
  return has(specialSchemes, url.scheme);
};

var includesCredentials = function (url) {
  return url.username != '' || url.password != '';
};

var cannotHaveUsernamePasswordPort = function (url) {
  return !url.host || url.cannotBeABaseURL || url.scheme == 'file';
};

var isWindowsDriveLetter = function (string, normalized) {
  var second;
  return string.length == 2 && ALPHA.test(string.charAt(0))
    && ((second = string.charAt(1)) == ':' || (!normalized && second == '|'));
};

var startsWithWindowsDriveLetter = function (string) {
  var third;
  return string.length > 1 && isWindowsDriveLetter(string.slice(0, 2)) && (
    string.length == 2 ||
    ((third = string.charAt(2)) === '/' || third === '\\' || third === '?' || third === '#')
  );
};

var shortenURLsPath = function (url) {
  var path = url.path;
  var pathSize = path.length;
  if (pathSize && (url.scheme != 'file' || pathSize != 1 || !isWindowsDriveLetter(path[0], true))) {
    path.pop();
  }
};

var isSingleDot = function (segment) {
  return segment === '.' || segment.toLowerCase() === '%2e';
};

var isDoubleDot = function (segment) {
  segment = segment.toLowerCase();
  return segment === '..' || segment === '%2e.' || segment === '.%2e' || segment === '%2e%2e';
};

// States:
var SCHEME_START = {};
var SCHEME = {};
var NO_SCHEME = {};
var SPECIAL_RELATIVE_OR_AUTHORITY = {};
var PATH_OR_AUTHORITY = {};
var RELATIVE = {};
var RELATIVE_SLASH = {};
var SPECIAL_AUTHORITY_SLASHES = {};
var SPECIAL_AUTHORITY_IGNORE_SLASHES = {};
var AUTHORITY = {};
var HOST = {};
var HOSTNAME = {};
var PORT = {};
var FILE = {};
var FILE_SLASH = {};
var FILE_HOST = {};
var PATH_START = {};
var PATH = {};
var CANNOT_BE_A_BASE_URL_PATH = {};
var QUERY = {};
var FRAGMENT = {};

// eslint-disable-next-line max-statements
var parseURL = function (url, input, stateOverride, base) {
  var state = stateOverride || SCHEME_START;
  var pointer = 0;
  var buffer = '';
  var seenAt = false;
  var seenBracket = false;
  var seenPasswordToken = false;
  var codePoints, char, bufferCodePoints, failure;

  if (!stateOverride) {
    url.scheme = '';
    url.username = '';
    url.password = '';
    url.host = null;
    url.port = null;
    url.path = [];
    url.query = null;
    url.fragment = null;
    url.cannotBeABaseURL = false;
    input = input.replace(LEADING_AND_TRAILING_C0_CONTROL_OR_SPACE, '');
  }

  input = input.replace(TAB_AND_NEW_LINE, '');

  codePoints = arrayFrom(input);

  while (pointer <= codePoints.length) {
    char = codePoints[pointer];
    switch (state) {
      case SCHEME_START:
        if (char && ALPHA.test(char)) {
          buffer += char.toLowerCase();
          state = SCHEME;
        } else if (!stateOverride) {
          state = NO_SCHEME;
          continue;
        } else return INVALID_SCHEME;
        break;

      case SCHEME:
        if (char && (ALPHANUMERIC.test(char) || char == '+' || char == '-' || char == '.')) {
          buffer += char.toLowerCase();
        } else if (char == ':') {
          if (stateOverride && (
            (isSpecial(url) != has(specialSchemes, buffer)) ||
            (buffer == 'file' && (includesCredentials(url) || url.port !== null)) ||
            (url.scheme == 'file' && !url.host)
          )) return;
          url.scheme = buffer;
          if (stateOverride) {
            if (isSpecial(url) && specialSchemes[url.scheme] == url.port) url.port = null;
            return;
          }
          buffer = '';
          if (url.scheme == 'file') {
            state = FILE;
          } else if (isSpecial(url) && base && base.scheme == url.scheme) {
            state = SPECIAL_RELATIVE_OR_AUTHORITY;
          } else if (isSpecial(url)) {
            state = SPECIAL_AUTHORITY_SLASHES;
          } else if (codePoints[pointer + 1] == '/') {
            state = PATH_OR_AUTHORITY;
            pointer++;
          } else {
            url.cannotBeABaseURL = true;
            url.path.push('');
            state = CANNOT_BE_A_BASE_URL_PATH;
          }
        } else if (!stateOverride) {
          buffer = '';
          state = NO_SCHEME;
          pointer = 0;
          continue;
        } else return INVALID_SCHEME;
        break;

      case NO_SCHEME:
        if (!base || (base.cannotBeABaseURL && char != '#')) return INVALID_SCHEME;
        if (base.cannotBeABaseURL && char == '#') {
          url.scheme = base.scheme;
          url.path = base.path.slice();
          url.query = base.query;
          url.fragment = '';
          url.cannotBeABaseURL = true;
          state = FRAGMENT;
          break;
        }
        state = base.scheme == 'file' ? FILE : RELATIVE;
        continue;

      case SPECIAL_RELATIVE_OR_AUTHORITY:
        if (char == '/' && codePoints[pointer + 1] == '/') {
          state = SPECIAL_AUTHORITY_IGNORE_SLASHES;
          pointer++;
        } else {
          state = RELATIVE;
          continue;
        } break;

      case PATH_OR_AUTHORITY:
        if (char == '/') {
          state = AUTHORITY;
          break;
        } else {
          state = PATH;
          continue;
        }

      case RELATIVE:
        url.scheme = base.scheme;
        if (char == EOF) {
          url.username = base.username;
          url.password = base.password;
          url.host = base.host;
          url.port = base.port;
          url.path = base.path.slice();
          url.query = base.query;
        } else if (char == '/' || (char == '\\' && isSpecial(url))) {
          state = RELATIVE_SLASH;
        } else if (char == '?') {
          url.username = base.username;
          url.password = base.password;
          url.host = base.host;
          url.port = base.port;
          url.path = base.path.slice();
          url.query = '';
          state = QUERY;
        } else if (char == '#') {
          url.username = base.username;
          url.password = base.password;
          url.host = base.host;
          url.port = base.port;
          url.path = base.path.slice();
          url.query = base.query;
          url.fragment = '';
          state = FRAGMENT;
        } else {
          url.username = base.username;
          url.password = base.password;
          url.host = base.host;
          url.port = base.port;
          url.path = base.path.slice();
          url.path.pop();
          state = PATH;
          continue;
        } break;

      case RELATIVE_SLASH:
        if (isSpecial(url) && (char == '/' || char == '\\')) {
          state = SPECIAL_AUTHORITY_IGNORE_SLASHES;
        } else if (char == '/') {
          state = AUTHORITY;
        } else {
          url.username = base.username;
          url.password = base.password;
          url.host = base.host;
          url.port = base.port;
          state = PATH;
          continue;
        } break;

      case SPECIAL_AUTHORITY_SLASHES:
        state = SPECIAL_AUTHORITY_IGNORE_SLASHES;
        if (char != '/' || buffer.charAt(pointer + 1) != '/') continue;
        pointer++;
        break;

      case SPECIAL_AUTHORITY_IGNORE_SLASHES:
        if (char != '/' && char != '\\') {
          state = AUTHORITY;
          continue;
        } break;

      case AUTHORITY:
        if (char == '@') {
          if (seenAt) buffer = '%40' + buffer;
          seenAt = true;
          bufferCodePoints = arrayFrom(buffer);
          for (var i = 0; i < bufferCodePoints.length; i++) {
            var codePoint = bufferCodePoints[i];
            if (codePoint == ':' && !seenPasswordToken) {
              seenPasswordToken = true;
              continue;
            }
            var encodedCodePoints = percentEncode(codePoint, userinfoPercentEncodeSet);
            if (seenPasswordToken) url.password += encodedCodePoints;
            else url.username += encodedCodePoints;
          }
          buffer = '';
        } else if (
          char == EOF || char == '/' || char == '?' || char == '#' ||
          (char == '\\' && isSpecial(url))
        ) {
          if (seenAt && buffer == '') return INVALID_AUTHORITY;
          pointer -= arrayFrom(buffer).length + 1;
          buffer = '';
          state = HOST;
        } else buffer += char;
        break;

      case HOST:
      case HOSTNAME:
        if (stateOverride && url.scheme == 'file') {
          state = FILE_HOST;
          continue;
        } else if (char == ':' && !seenBracket) {
          if (buffer == '') return INVALID_HOST;
          failure = parseHost(url, buffer);
          if (failure) return failure;
          buffer = '';
          state = PORT;
          if (stateOverride == HOSTNAME) return;
        } else if (
          char == EOF || char == '/' || char == '?' || char == '#' ||
          (char == '\\' && isSpecial(url))
        ) {
          if (isSpecial(url) && buffer == '') return INVALID_HOST;
          if (stateOverride && buffer == '' && (includesCredentials(url) || url.port !== null)) return;
          failure = parseHost(url, buffer);
          if (failure) return failure;
          buffer = '';
          state = PATH_START;
          if (stateOverride) return;
          continue;
        } else {
          if (char == '[') seenBracket = true;
          else if (char == ']') seenBracket = false;
          buffer += char;
        } break;

      case PORT:
        if (DIGIT.test(char)) {
          buffer += char;
        } else if (
          char == EOF || char == '/' || char == '?' || char == '#' ||
          (char == '\\' && isSpecial(url)) ||
          stateOverride
        ) {
          if (buffer != '') {
            var port = parseInt(buffer, 10);
            if (port > 0xFFFF) return INVALID_PORT;
            url.port = (isSpecial(url) && port === specialSchemes[url.scheme]) ? null : port;
            buffer = '';
          }
          if (stateOverride) return;
          state = PATH_START;
          continue;
        } else return INVALID_PORT;
        break;

      case FILE:
        url.scheme = 'file';
        if (char == '/' || char == '\\') state = FILE_SLASH;
        else if (base && base.scheme == 'file') {
          if (char == EOF) {
            url.host = base.host;
            url.path = base.path.slice();
            url.query = base.query;
          } else if (char == '?') {
            url.host = base.host;
            url.path = base.path.slice();
            url.query = '';
            state = QUERY;
          } else if (char == '#') {
            url.host = base.host;
            url.path = base.path.slice();
            url.query = base.query;
            url.fragment = '';
            state = FRAGMENT;
          } else {
            if (!startsWithWindowsDriveLetter(codePoints.slice(pointer).join(''))) {
              url.host = base.host;
              url.path = base.path.slice();
              shortenURLsPath(url);
            }
            state = PATH;
            continue;
          }
        } else {
          state = PATH;
          continue;
        } break;

      case FILE_SLASH:
        if (char == '/' || char == '\\') {
          state = FILE_HOST;
          break;
        }
        if (base && base.scheme == 'file' && !startsWithWindowsDriveLetter(codePoints.slice(pointer).join(''))) {
          if (isWindowsDriveLetter(base.path[0], true)) url.path.push(base.path[0]);
          else url.host = base.host;
        }
        state = PATH;
        continue;

      case FILE_HOST:
        if (char == EOF || char == '/' || char == '\\' || char == '?' || char == '#') {
          if (!stateOverride && isWindowsDriveLetter(buffer)) {
            state = PATH;
          } else if (buffer == '') {
            url.host = '';
            if (stateOverride) return;
            state = PATH_START;
          } else {
            failure = parseHost(url, buffer);
            if (failure) return failure;
            if (url.host == 'localhost') url.host = '';
            if (stateOverride) return;
            buffer = '';
            state = PATH_START;
          } continue;
        } else buffer += char;
        break;

      case PATH_START:
        if (isSpecial(url)) {
          state = PATH;
          if (char != '/' && char != '\\') continue;
        } else if (!stateOverride && char == '?') {
          url.query = '';
          state = QUERY;
        } else if (!stateOverride && char == '#') {
          url.fragment = '';
          state = FRAGMENT;
        } else if (char != EOF) {
          state = PATH;
          if (char != '/') continue;
        } break;

      case PATH:
        if (
          char == EOF || char == '/' ||
          (char == '\\' && isSpecial(url)) ||
          (!stateOverride && (char == '?' || char == '#'))
        ) {
          if (isDoubleDot(buffer)) {
            shortenURLsPath(url);
            if (char != '/' && !(char == '\\' && isSpecial(url))) {
              url.path.push('');
            }
          } else if (isSingleDot(buffer)) {
            if (char != '/' && !(char == '\\' && isSpecial(url))) {
              url.path.push('');
            }
          } else {
            if (url.scheme == 'file' && !url.path.length && isWindowsDriveLetter(buffer)) {
              if (url.host) url.host = '';
              buffer = buffer.charAt(0) + ':'; // normalize windows drive letter
            }
            url.path.push(buffer);
          }
          buffer = '';
          if (url.scheme == 'file' && (char == EOF || char == '?' || char == '#')) {
            while (url.path.length > 1 && url.path[0] === '') {
              url.path.shift();
            }
          }
          if (char == '?') {
            url.query = '';
            state = QUERY;
          } else if (char == '#') {
            url.fragment = '';
            state = FRAGMENT;
          }
        } else {
          buffer += percentEncode(char, pathPercentEncodeSet);
        } break;

      case CANNOT_BE_A_BASE_URL_PATH:
        if (char == '?') {
          url.query = '';
          state = QUERY;
        } else if (char == '#') {
          url.fragment = '';
          state = FRAGMENT;
        } else if (char != EOF) {
          url.path[0] += percentEncode(char, C0ControlPercentEncodeSet);
        } break;

      case QUERY:
        if (!stateOverride && char == '#') {
          url.fragment = '';
          state = FRAGMENT;
        } else if (char != EOF) {
          if (char == "'" && isSpecial(url)) url.query += '%27';
          else if (char == '#') url.query += '%23';
          else url.query += percentEncode(char, C0ControlPercentEncodeSet);
        } break;

      case FRAGMENT:
        if (char != EOF) url.fragment += percentEncode(char, fragmentPercentEncodeSet);
        break;
    }

    pointer++;
  }
};

// `URL` constructor
// https://url.spec.whatwg.org/#url-class
var URLConstructor = function URL(url /* , base */) {
  var that = anInstance(this, URLConstructor, 'URL');
  var base = arguments.length > 1 ? arguments[1] : undefined;
  var urlString = String(url);
  var state = setInternalState(that, { type: 'URL' });
  var baseState, failure;
  if (base !== undefined) {
    if (base instanceof URLConstructor) baseState = getInternalURLState(base);
    else {
      failure = parseURL(baseState = {}, String(base));
      if (failure) throw TypeError(failure);
    }
  }
  failure = parseURL(state, urlString, null, baseState);
  if (failure) throw TypeError(failure);
  var searchParams = state.searchParams = new URLSearchParams();
  var searchParamsState = getInternalSearchParamsState(searchParams);
  searchParamsState.updateSearchParams(state.query);
  searchParamsState.updateURL = function () {
    state.query = String(searchParams) || null;
  };
  if (!DESCRIPTORS) {
    that.href = serializeURL.call(that);
    that.origin = getOrigin.call(that);
    that.protocol = getProtocol.call(that);
    that.username = getUsername.call(that);
    that.password = getPassword.call(that);
    that.host = getHost.call(that);
    that.hostname = getHostname.call(that);
    that.port = getPort.call(that);
    that.pathname = getPathname.call(that);
    that.search = getSearch.call(that);
    that.searchParams = getSearchParams.call(that);
    that.hash = getHash.call(that);
  }
};

var URLPrototype = URLConstructor.prototype;

var serializeURL = function () {
  var url = getInternalURLState(this);
  var scheme = url.scheme;
  var username = url.username;
  var password = url.password;
  var host = url.host;
  var port = url.port;
  var path = url.path;
  var query = url.query;
  var fragment = url.fragment;
  var output = scheme + ':';
  if (host !== null) {
    output += '//';
    if (includesCredentials(url)) {
      output += username + (password ? ':' + password : '') + '@';
    }
    output += serializeHost(host);
    if (port !== null) output += ':' + port;
  } else if (scheme == 'file') output += '//';
  output += url.cannotBeABaseURL ? path[0] : path.length ? '/' + path.join('/') : '';
  if (query !== null) output += '?' + query;
  if (fragment !== null) output += '#' + fragment;
  return output;
};

var getOrigin = function () {
  var url = getInternalURLState(this);
  var scheme = url.scheme;
  var port = url.port;
  if (scheme == 'blob') try {
    return new URL(scheme.path[0]).origin;
  } catch (error) {
    return 'null';
  }
  if (scheme == 'file' || !isSpecial(url)) return 'null';
  return scheme + '://' + serializeHost(url.host) + (port !== null ? ':' + port : '');
};

var getProtocol = function () {
  return getInternalURLState(this).scheme + ':';
};

var getUsername = function () {
  return getInternalURLState(this).username;
};

var getPassword = function () {
  return getInternalURLState(this).password;
};

var getHost = function () {
  var url = getInternalURLState(this);
  var host = url.host;
  var port = url.port;
  return host === null ? ''
    : port === null ? serializeHost(host)
    : serializeHost(host) + ':' + port;
};

var getHostname = function () {
  var host = getInternalURLState(this).host;
  return host === null ? '' : serializeHost(host);
};

var getPort = function () {
  var port = getInternalURLState(this).port;
  return port === null ? '' : String(port);
};

var getPathname = function () {
  var url = getInternalURLState(this);
  var path = url.path;
  return url.cannotBeABaseURL ? path[0] : path.length ? '/' + path.join('/') : '';
};

var getSearch = function () {
  var query = getInternalURLState(this).query;
  return query ? '?' + query : '';
};

var getSearchParams = function () {
  return getInternalURLState(this).searchParams;
};

var getHash = function () {
  var fragment = getInternalURLState(this).fragment;
  return fragment ? '#' + fragment : '';
};

var accessorDescriptor = function (getter, setter) {
  return { get: getter, set: setter, configurable: true, enumerable: true };
};

if (DESCRIPTORS) {
  defineProperties(URLPrototype, {
    // `URL.prototype.href` accessors pair
    // https://url.spec.whatwg.org/#dom-url-href
    href: accessorDescriptor(serializeURL, function (href) {
      var url = getInternalURLState(this);
      var urlString = String(href);
      var failure = parseURL(url, urlString);
      if (failure) throw TypeError(failure);
      getInternalSearchParamsState(url.searchParams).updateSearchParams(url.query);
    }),
    // `URL.prototype.origin` getter
    // https://url.spec.whatwg.org/#dom-url-origin
    origin: accessorDescriptor(getOrigin),
    // `URL.prototype.protocol` accessors pair
    // https://url.spec.whatwg.org/#dom-url-protocol
    protocol: accessorDescriptor(getProtocol, function (protocol) {
      var url = getInternalURLState(this);
      parseURL(url, String(protocol) + ':', SCHEME_START);
    }),
    // `URL.prototype.username` accessors pair
    // https://url.spec.whatwg.org/#dom-url-username
    username: accessorDescriptor(getUsername, function (username) {
      var url = getInternalURLState(this);
      var codePoints = arrayFrom(String(username));
      if (cannotHaveUsernamePasswordPort(url)) return;
      url.username = '';
      for (var i = 0; i < codePoints.length; i++) {
        url.username += percentEncode(codePoints[i], userinfoPercentEncodeSet);
      }
    }),
    // `URL.prototype.password` accessors pair
    // https://url.spec.whatwg.org/#dom-url-password
    password: accessorDescriptor(getPassword, function (password) {
      var url = getInternalURLState(this);
      var codePoints = arrayFrom(String(password));
      if (cannotHaveUsernamePasswordPort(url)) return;
      url.password = '';
      for (var i = 0; i < codePoints.length; i++) {
        url.password += percentEncode(codePoints[i], userinfoPercentEncodeSet);
      }
    }),
    // `URL.prototype.host` accessors pair
    // https://url.spec.whatwg.org/#dom-url-host
    host: accessorDescriptor(getHost, function (host) {
      var url = getInternalURLState(this);
      if (url.cannotBeABaseURL) return;
      parseURL(url, String(host), HOST);
    }),
    // `URL.prototype.hostname` accessors pair
    // https://url.spec.whatwg.org/#dom-url-hostname
    hostname: accessorDescriptor(getHostname, function (hostname) {
      var url = getInternalURLState(this);
      if (url.cannotBeABaseURL) return;
      parseURL(url, String(hostname), HOSTNAME);
    }),
    // `URL.prototype.port` accessors pair
    // https://url.spec.whatwg.org/#dom-url-port
    port: accessorDescriptor(getPort, function (port) {
      var url = getInternalURLState(this);
      if (cannotHaveUsernamePasswordPort(url)) return;
      port = String(port);
      if (port == '') url.port = null;
      else parseURL(url, port, PORT);
    }),
    // `URL.prototype.pathname` accessors pair
    // https://url.spec.whatwg.org/#dom-url-pathname
    pathname: accessorDescriptor(getPathname, function (pathname) {
      var url = getInternalURLState(this);
      if (url.cannotBeABaseURL) return;
      url.path = [];
      parseURL(url, pathname + '', PATH_START);
    }),
    // `URL.prototype.search` accessors pair
    // https://url.spec.whatwg.org/#dom-url-search
    search: accessorDescriptor(getSearch, function (search) {
      var url = getInternalURLState(this);
      search = String(search);
      if (search == '') {
        url.query = null;
      } else {
        if ('?' == search.charAt(0)) search = search.slice(1);
        url.query = '';
        parseURL(url, search, QUERY);
      }
      getInternalSearchParamsState(url.searchParams).updateSearchParams(url.query);
    }),
    // `URL.prototype.searchParams` getter
    // https://url.spec.whatwg.org/#dom-url-searchparams
    searchParams: accessorDescriptor(getSearchParams),
    // `URL.prototype.hash` accessors pair
    // https://url.spec.whatwg.org/#dom-url-hash
    hash: accessorDescriptor(getHash, function (hash) {
      var url = getInternalURLState(this);
      hash = String(hash);
      if (hash == '') {
        url.fragment = null;
        return;
      }
      if ('#' == hash.charAt(0)) hash = hash.slice(1);
      url.fragment = '';
      parseURL(url, hash, FRAGMENT);
    })
  });
}

// `URL.prototype.toJSON` method
// https://url.spec.whatwg.org/#dom-url-tojson
redefine(URLPrototype, 'toJSON', function toJSON() {
  return serializeURL.call(this);
}, { enumerable: true });

// `URL.prototype.toString` method
// https://url.spec.whatwg.org/#URL-stringification-behavior
redefine(URLPrototype, 'toString', function toString() {
  return serializeURL.call(this);
}, { enumerable: true });

if (NativeURL) {
  var nativeCreateObjectURL = NativeURL.createObjectURL;
  var nativeRevokeObjectURL = NativeURL.revokeObjectURL;
  // `URL.createObjectURL` method
  // https://developer.mozilla.org/en-US/docs/Web/API/URL/createObjectURL
  // eslint-disable-next-line no-unused-vars
  if (nativeCreateObjectURL) redefine(URLConstructor, 'createObjectURL', function createObjectURL(blob) {
    return nativeCreateObjectURL.apply(NativeURL, arguments);
  });
  // `URL.revokeObjectURL` method
  // https://developer.mozilla.org/en-US/docs/Web/API/URL/revokeObjectURL
  // eslint-disable-next-line no-unused-vars
  if (nativeRevokeObjectURL) redefine(URLConstructor, 'revokeObjectURL', function revokeObjectURL(url) {
    return nativeRevokeObjectURL.apply(NativeURL, arguments);
  });
}

setToStringTag(URLConstructor, 'URL');

$({ global: true, forced: !USE_NATIVE_URL, sham: !DESCRIPTORS }, {
  URL: URLConstructor
});


/***/ }),

/***/ "2b8c":
/***/ (function(module, exports, __webpack_require__) {

/**
 * Copyright 2013 vtt.js Contributors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

// Default exports for Node. Export the extended versions of VTTCue and
// VTTRegion in Node since we likely want the capability to convert back and
// forth between JSON. If we don't then it's not that big of a deal since we're
// off browser.

var window = __webpack_require__("be09");

var vttjs = module.exports = {
  WebVTT: __webpack_require__("d02c"),
  VTTCue: __webpack_require__("b03c"),
  VTTRegion: __webpack_require__("f97d")
};

window.vttjs = vttjs;
window.WebVTT = vttjs.WebVTT;

var cueShim = vttjs.VTTCue;
var regionShim = vttjs.VTTRegion;
var nativeVTTCue = window.VTTCue;
var nativeVTTRegion = window.VTTRegion;

vttjs.shim = function() {
  window.VTTCue = cueShim;
  window.VTTRegion = regionShim;
};

vttjs.restore = function() {
  window.VTTCue = nativeVTTCue;
  window.VTTRegion = nativeVTTRegion;
};

if (!window.VTTCue) {
  vttjs.shim();
}


/***/ }),

/***/ "2d00":
/***/ (function(module, exports, __webpack_require__) {

var global = __webpack_require__("da84");
var userAgent = __webpack_require__("342f");

var process = global.process;
var versions = process && process.versions;
var v8 = versions && versions.v8;
var match, version;

if (v8) {
  match = v8.split('.');
  version = match[0] + match[1];
} else if (userAgent) {
  match = userAgent.match(/Edge\/(\d+)/);
  if (!match || match[1] >= 74) {
    match = userAgent.match(/Chrome\/(\d+)/);
    if (match) version = match[1];
  }
}

module.exports = version && +version;


/***/ }),

/***/ "342f":
/***/ (function(module, exports, __webpack_require__) {

var getBuiltIn = __webpack_require__("d066");

module.exports = getBuiltIn('navigator', 'userAgent') || '';


/***/ }),

/***/ "35a1":
/***/ (function(module, exports, __webpack_require__) {

var classof = __webpack_require__("f5df");
var Iterators = __webpack_require__("3f8c");
var wellKnownSymbol = __webpack_require__("b622");

var ITERATOR = wellKnownSymbol('iterator');

module.exports = function (it) {
  if (it != undefined) return it[ITERATOR]
    || it['@@iterator']
    || Iterators[classof(it)];
};


/***/ }),

/***/ "37e8":
/***/ (function(module, exports, __webpack_require__) {

var DESCRIPTORS = __webpack_require__("83ab");
var definePropertyModule = __webpack_require__("9bf2");
var anObject = __webpack_require__("825a");
var objectKeys = __webpack_require__("df75");

// `Object.defineProperties` method
// https://tc39.github.io/ecma262/#sec-object.defineproperties
module.exports = DESCRIPTORS ? Object.defineProperties : function defineProperties(O, Properties) {
  anObject(O);
  var keys = objectKeys(Properties);
  var length = keys.length;
  var index = 0;
  var key;
  while (length > index) definePropertyModule.f(O, key = keys[index++], Properties[key]);
  return O;
};


/***/ }),

/***/ "3b3e":
/***/ (function(module, exports) {

module.exports = "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAEIAAABCCAYAAADjVADoAAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAA+tpVFh0WE1MOmNvbS5hZG9iZS54bXAAAAAAADw/eHBhY2tldCBiZWdpbj0i77u/IiBpZD0iVzVNME1wQ2VoaUh6cmVTek5UY3prYzlkIj8+IDx4OnhtcG1ldGEgeG1sbnM6eD0iYWRvYmU6bnM6bWV0YS8iIHg6eG1wdGs9IkFkb2JlIFhNUCBDb3JlIDUuNi1jMTM4IDc5LjE1OTgyNCwgMjAxNi8wOS8xNC0wMTowOTowMSAgICAgICAgIj4gPHJkZjpSREYgeG1sbnM6cmRmPSJodHRwOi8vd3d3LnczLm9yZy8xOTk5LzAyLzIyLXJkZi1zeW50YXgtbnMjIj4gPHJkZjpEZXNjcmlwdGlvbiByZGY6YWJvdXQ9IiIgeG1sbnM6eG1wPSJodHRwOi8vbnMuYWRvYmUuY29tL3hhcC8xLjAvIiB4bWxuczpkYz0iaHR0cDovL3B1cmwub3JnL2RjL2VsZW1lbnRzLzEuMS8iIHhtbG5zOnhtcE1NPSJodHRwOi8vbnMuYWRvYmUuY29tL3hhcC8xLjAvbW0vIiB4bWxuczpzdFJlZj0iaHR0cDovL25zLmFkb2JlLmNvbS94YXAvMS4wL3NUeXBlL1Jlc291cmNlUmVmIyIgeG1wOkNyZWF0b3JUb29sPSJBZG9iZSBQaG90b3Nob3AgQ0MgMjAxNyAoV2luZG93cykiIHhtcDpDcmVhdGVEYXRlPSIyMDE5LTEwLTI0VDEzOjE4OjI2KzA4OjAwIiB4bXA6TW9kaWZ5RGF0ZT0iMjAxOS0xMC0yNFQxMzoyNDo0NCswODowMCIgeG1wOk1ldGFkYXRhRGF0ZT0iMjAxOS0xMC0yNFQxMzoyNDo0NCswODowMCIgZGM6Zm9ybWF0PSJpbWFnZS9wbmciIHhtcE1NOkluc3RhbmNlSUQ9InhtcC5paWQ6OTY4M0ZFMTZGNjFFMTFFOUEwQTNEMzE2RjM0MTQ3Q0MiIHhtcE1NOkRvY3VtZW50SUQ9InhtcC5kaWQ6OTY4M0ZFMTdGNjFFMTFFOUEwQTNEMzE2RjM0MTQ3Q0MiPiA8eG1wTU06RGVyaXZlZEZyb20gc3RSZWY6aW5zdGFuY2VJRD0ieG1wLmlpZDo5NjgzRkUxNEY2MUUxMUU5QTBBM0QzMTZGMzQxNDdDQyIgc3RSZWY6ZG9jdW1lbnRJRD0ieG1wLmRpZDo5NjgzRkUxNUY2MUUxMUU5QTBBM0QzMTZGMzQxNDdDQyIvPiA8L3JkZjpEZXNjcmlwdGlvbj4gPC9yZGY6UkRGPiA8L3g6eG1wbWV0YT4gPD94cGFja2V0IGVuZD0iciI/Pq+RL4wAAAVJSURBVHja7Jx7UFR1FMe/2xLCmogp4KOMFBAohJQpLMQwEe1lNQY2Wo7ANGZlOtO7mSab/rKHWgb44KFZplA+CiwzzMIsI9+Bo46ToShqkwLG8tzO6bBtiIKyr7v33jPz43f33t2d3+9zf79zvufcHQwWiwW6AdfoCHQQ7cyry3ekpHvT3wXUZlDzdcsohwY3IijwVcPcme/a8zWduYErWRHzqc1yGwQ2o9Eb4aHvWBYtmefOrZGhjLVrBMF43bJo6VvuAtFTOR6Nhhse8pozYHies7TCeH/pAj1q/AsjdI7lg2WZevg0GIBhIU85CoZn6wgrjMXLc3RBJTDSLB/mrNaVJVvY0Cn2wFCXxGYYmbkFOgi20CGTLVl5X+kg2EJuTr5aGOrNPhlGdv5mdYFobOxu1ppkWbZyh3pAnDgJXPi7e58NHhx3JTA8A0RTM1D0DXDqtNNgGLqsWaakK6uoyXmGl1f3Prsqy3DZLN/jnGBra/d9RmflDgXqACAiTO585Qlgf4VTJq5sEDMeAyaOa3+utg7I/QTY/rNGQMTF2iD8VCZRIjYG6O0HPPckUFNLq6Pcea5HMSCSxki/YRPwXhawZAUw83mgtG0lPDjBuT5YERCMRiAyXI63bLOdb2kBtpbK8cD+GgAR2I9g0FDqzUD1mfbX+gdIf/ZPDYDo0UP6ugsdr8XHSV9+SAMgrm3z2caLhhN9i4RS1g4lP2gAhNksvY+P7ZwPrZKMaXL87ffAmbMaAFFTJ73J17ZNMh4HggKBc+eBT9dpRFCdrxH16O1NzpEmPzwSSBjFT22BzFwRVZpRlscp1R5yE/DI/SSuRsq5NeuBPQdck8spBsSxSulHxUqJ/rvtwLoi1yW1igHx/9D5615SlvmyNTQF4r7xwAPJttfsF1paXVvmcLu05hA5PbX9+cgwlw/F8SBYFPU0Ab5d/MCm3/XAmy8D4xNlC3xcCOwok2sjol0OwjFRIzwUuHecqEBOm/9LmlpFB1SfBiqrxCEePiq5xaw0Acbp9sJsYO9vEjLZWd4WJQ7ThT7CfhBj7gSeTr/86ujbR1rksI7XGdTi5QKBbdc+oLkZ8O8tcCsOeRCI1Iel/3GnVJpZD9TXk0IkcWQyyRYYfIPUEwYEdQT10mzgZDWwc5fUHhjKyGhJtjwKhL+fTfzwhKzWQEqxsYmfOAHJiTYI/Ixi9edAQF8gihRkVIRcmzRRWkNbfTL+DmDlGnrd4CEgjh7jp9Byxz9aK8WUQQPkribQtglqqyewTF5fDBRvkfew8QrilRNDPmF0nHyGX7P5UgL2TAYBpjzjeJXTQdj/XCPmVuCVOeLcLplQ1crki2nS5i7ubq/rgLtuB5LuBm4cJOd4fL/sBgq/AH7/w77Zrs0xOA+EFUbqQ5QrBNuqSQePyL5nlcgO8Gqsjz+JqvmiM6zG42TZzWGW4ToYhGPCJydGjkyO/joHlJRKQZfDL2+/EcOBxHipbGflAWV7VJprXGwbN0l45VC6jVbCvLeBqlOyfV58VhyrJkBwEffrEjme9ihwhITYC29ItYpt6mTgngQNgGAr2CDbJICU6BOUjzQ1yfOOorbff0yfIiU91YNg+Z2dL8ccSSaMleNVBeI7GEKEYxI05T8N371ftAQr2LSppFEGiq7w69WxjqFqEGyffUmBnhZvyiRRqVbj3ISTOM2AYCvcCByoAMaOlsixrxzYvFVhabir7OBhaaqrUCnIdBA6CB2EDsJeEGaVzNVsL4gVKgGRa6+OmE2NC4lcqjZ5IIB6annU5nb2JoP+bxN0Z6mDuJT9I8AAO+KfVf0f0ywAAAAASUVORK5CYII="

/***/ }),

/***/ "3bbe":
/***/ (function(module, exports, __webpack_require__) {

var isObject = __webpack_require__("861d");

module.exports = function (it) {
  if (!isObject(it) && it !== null) {
    throw TypeError("Can't set " + String(it) + ' as a prototype');
  } return it;
};


/***/ }),

/***/ "3ca3":
/***/ (function(module, exports, __webpack_require__) {

"use strict";

var charAt = __webpack_require__("6547").charAt;
var InternalStateModule = __webpack_require__("69f3");
var defineIterator = __webpack_require__("7dd0");

var STRING_ITERATOR = 'String Iterator';
var setInternalState = InternalStateModule.set;
var getInternalState = InternalStateModule.getterFor(STRING_ITERATOR);

// `String.prototype[@@iterator]` method
// https://tc39.github.io/ecma262/#sec-string.prototype-@@iterator
defineIterator(String, 'String', function (iterated) {
  setInternalState(this, {
    type: STRING_ITERATOR,
    string: String(iterated),
    index: 0
  });
// `%StringIteratorPrototype%.next` method
// https://tc39.github.io/ecma262/#sec-%stringiteratorprototype%.next
}, function next() {
  var state = getInternalState(this);
  var string = state.string;
  var index = state.index;
  var point;
  if (index >= string.length) return { value: undefined, done: true };
  point = charAt(string, index);
  state.index += point.length;
  return { value: point, done: false };
});


/***/ }),

/***/ "3d33":
/***/ (function(module, exports, __webpack_require__) {

/**
 * @license
 * Video.js 6.13.0 <http://videojs.com/>
 * Copyright Brightcove, Inc. <https://www.brightcove.com/>
 * Available under Apache License Version 2.0
 * <https://github.com/videojs/video.js/blob/master/LICENSE>
 *
 * Includes vtt.js <https://github.com/mozilla/vtt.js>
 * Available under Apache License Version 2.0
 * <https://github.com/mozilla/vtt.js/blob/master/LICENSE>
 */

function _interopDefault (ex) { return (ex && (typeof ex === 'object') && 'default' in ex) ? ex['default'] : ex; }

var window = _interopDefault(__webpack_require__("672b"));
var document = _interopDefault(__webpack_require__("cc57"));
var tsml = _interopDefault(__webpack_require__("1b8d"));
var safeParseTuple = _interopDefault(__webpack_require__("8c10"));
var xhr = _interopDefault(__webpack_require__("eec7"));
var vtt = _interopDefault(__webpack_require__("2b8c"));

var version = "6.13.0";

/**
 * @file browser.js
 * @module browser
 */
var USER_AGENT = window.navigator && window.navigator.userAgent || '';
var webkitVersionMap = /AppleWebKit\/([\d.]+)/i.exec(USER_AGENT);
var appleWebkitVersion = webkitVersionMap ? parseFloat(webkitVersionMap.pop()) : null;

/*
 * Device is an iPhone
 *
 * @type {Boolean}
 * @constant
 * @private
 */
var IS_IPAD = /iPad/i.test(USER_AGENT);

// The Facebook app's UIWebView identifies as both an iPhone and iPad, so
// to identify iPhones, we need to exclude iPads.
// http://artsy.github.io/blog/2012/10/18/the-perils-of-ios-user-agent-sniffing/
var IS_IPHONE = /iPhone/i.test(USER_AGENT) && !IS_IPAD;
var IS_IPOD = /iPod/i.test(USER_AGENT);
var IS_IOS = IS_IPHONE || IS_IPAD || IS_IPOD;

var IOS_VERSION = function () {
  var match = USER_AGENT.match(/OS (\d+)_/i);

  if (match && match[1]) {
    return match[1];
  }
  return null;
}();

var IS_ANDROID = /Android/i.test(USER_AGENT);
var ANDROID_VERSION = function () {
  // This matches Android Major.Minor.Patch versions
  // ANDROID_VERSION is Major.Minor as a Number, if Minor isn't available, then only Major is returned
  var match = USER_AGENT.match(/Android (\d+)(?:\.(\d+))?(?:\.(\d+))*/i);

  if (!match) {
    return null;
  }

  var major = match[1] && parseFloat(match[1]);
  var minor = match[2] && parseFloat(match[2]);

  if (major && minor) {
    return parseFloat(match[1] + '.' + match[2]);
  } else if (major) {
    return major;
  }
  return null;
}();

// Old Android is defined as Version older than 2.3, and requiring a webkit version of the android browser
var IS_OLD_ANDROID = IS_ANDROID && /webkit/i.test(USER_AGENT) && ANDROID_VERSION < 2.3;
var IS_NATIVE_ANDROID = IS_ANDROID && ANDROID_VERSION < 5 && appleWebkitVersion < 537;

var IS_FIREFOX = /Firefox/i.test(USER_AGENT);
var IS_EDGE = /Edge/i.test(USER_AGENT);
var IS_CHROME = !IS_EDGE && (/Chrome/i.test(USER_AGENT) || /CriOS/i.test(USER_AGENT));
var CHROME_VERSION = function () {
  var match = USER_AGENT.match(/(Chrome|CriOS)\/(\d+)/);

  if (match && match[2]) {
    return parseFloat(match[2]);
  }
  return null;
}();
var IS_IE8 = /MSIE\s8\.0/.test(USER_AGENT);
var IE_VERSION = function () {
  var result = /MSIE\s(\d+)\.\d/.exec(USER_AGENT);
  var version = result && parseFloat(result[1]);

  if (!version && /Trident\/7.0/i.test(USER_AGENT) && /rv:11.0/.test(USER_AGENT)) {
    // IE 11 has a different user agent string than other IE versions
    version = 11.0;
  }

  return version;
}();

var IS_SAFARI = /Safari/i.test(USER_AGENT) && !IS_CHROME && !IS_ANDROID && !IS_EDGE;
var IS_ANY_SAFARI = (IS_SAFARI || IS_IOS) && !IS_CHROME;

var TOUCH_ENABLED = isReal() && ('ontouchstart' in window || window.navigator.maxTouchPoints || window.DocumentTouch && window.document instanceof window.DocumentTouch);

var BACKGROUND_SIZE_SUPPORTED = isReal() && 'backgroundSize' in window.document.createElement('video').style;

var browser = (Object.freeze || Object)({
	IS_IPAD: IS_IPAD,
	IS_IPHONE: IS_IPHONE,
	IS_IPOD: IS_IPOD,
	IS_IOS: IS_IOS,
	IOS_VERSION: IOS_VERSION,
	IS_ANDROID: IS_ANDROID,
	ANDROID_VERSION: ANDROID_VERSION,
	IS_OLD_ANDROID: IS_OLD_ANDROID,
	IS_NATIVE_ANDROID: IS_NATIVE_ANDROID,
	IS_FIREFOX: IS_FIREFOX,
	IS_EDGE: IS_EDGE,
	IS_CHROME: IS_CHROME,
	CHROME_VERSION: CHROME_VERSION,
	IS_IE8: IS_IE8,
	IE_VERSION: IE_VERSION,
	IS_SAFARI: IS_SAFARI,
	IS_ANY_SAFARI: IS_ANY_SAFARI,
	TOUCH_ENABLED: TOUCH_ENABLED,
	BACKGROUND_SIZE_SUPPORTED: BACKGROUND_SIZE_SUPPORTED
});

var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) {
  return typeof obj;
} : function (obj) {
  return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
};











var classCallCheck = function (instance, Constructor) {
  if (!(instance instanceof Constructor)) {
    throw new TypeError("Cannot call a class as a function");
  }
};











var inherits = function (subClass, superClass) {
  if (typeof superClass !== "function" && superClass !== null) {
    throw new TypeError("Super expression must either be null or a function, not " + typeof superClass);
  }

  subClass.prototype = Object.create(superClass && superClass.prototype, {
    constructor: {
      value: subClass,
      enumerable: false,
      writable: true,
      configurable: true
    }
  });
  if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass;
};











var possibleConstructorReturn = function (self, call) {
  if (!self) {
    throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
  }

  return call && (typeof call === "object" || typeof call === "function") ? call : self;
};











var taggedTemplateLiteralLoose = function (strings, raw) {
  strings.raw = raw;
  return strings;
};

/**
 * @file obj.js
 * @module obj
 */

/**
 * @callback obj:EachCallback
 *
 * @param {Mixed} value
 *        The current key for the object that is being iterated over.
 *
 * @param {string} key
 *        The current key-value for object that is being iterated over
 */

/**
 * @callback obj:ReduceCallback
 *
 * @param {Mixed} accum
 *        The value that is accumulating over the reduce loop.
 *
 * @param {Mixed} value
 *        The current key for the object that is being iterated over.
 *
 * @param {string} key
 *        The current key-value for object that is being iterated over
 *
 * @return {Mixed}
 *         The new accumulated value.
 */
var toString = Object.prototype.toString;

/**
 * Get the keys of an Object
 *
 * @param {Object}
 *        The Object to get the keys from
 *
 * @return {string[]}
 *         An array of the keys from the object. Returns an empty array if the
 *         object passed in was invalid or had no keys.
 *
 * @private
 */
var keys = function keys(object) {
  return isObject(object) ? Object.keys(object) : [];
};

/**
 * Array-like iteration for objects.
 *
 * @param {Object} object
 *        The object to iterate over
 *
 * @param {obj:EachCallback} fn
 *        The callback function which is called for each key in the object.
 */
function each(object, fn) {
  keys(object).forEach(function (key) {
    return fn(object[key], key);
  });
}

/**
 * Array-like reduce for objects.
 *
 * @param {Object} object
 *        The Object that you want to reduce.
 *
 * @param {Function} fn
 *         A callback function which is called for each key in the object. It
 *         receives the accumulated value and the per-iteration value and key
 *         as arguments.
 *
 * @param {Mixed} [initial = 0]
 *        Starting value
 *
 * @return {Mixed}
 *         The final accumulated value.
 */
function reduce(object, fn) {
  var initial = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 0;

  return keys(object).reduce(function (accum, key) {
    return fn(accum, object[key], key);
  }, initial);
}

/**
 * Object.assign-style object shallow merge/extend.
 *
 * @param  {Object} target
 * @param  {Object} ...sources
 * @return {Object}
 */
function assign(target) {
  for (var _len = arguments.length, sources = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
    sources[_key - 1] = arguments[_key];
  }

  if (Object.assign) {
    return Object.assign.apply(Object, [target].concat(sources));
  }

  sources.forEach(function (source) {
    if (!source) {
      return;
    }

    each(source, function (value, key) {
      target[key] = value;
    });
  });

  return target;
}

/**
 * Returns whether a value is an object of any kind - including DOM nodes,
 * arrays, regular expressions, etc. Not functions, though.
 *
 * This avoids the gotcha where using `typeof` on a `null` value
 * results in `'object'`.
 *
 * @param  {Object} value
 * @return {Boolean}
 */
function isObject(value) {
  return !!value && (typeof value === 'undefined' ? 'undefined' : _typeof(value)) === 'object';
}

/**
 * Returns whether an object appears to be a "plain" object - that is, a
 * direct instance of `Object`.
 *
 * @param  {Object} value
 * @return {Boolean}
 */
function isPlain(value) {
  return isObject(value) && toString.call(value) === '[object Object]' && value.constructor === Object;
}

/**
 * @file create-logger.js
 * @module create-logger
 */
// This is the private tracking variable for the logging history.
var history = [];

/**
 * Log messages to the console and history based on the type of message
 *
 * @private
 * @param  {string} type
 *         The name of the console method to use.
 *
 * @param  {Array} args
 *         The arguments to be passed to the matching console method.
 */
var LogByTypeFactory = function LogByTypeFactory(name, log) {
  return function (type, level, args, stringify) {
    var lvl = log.levels[level];
    var lvlRegExp = new RegExp('^(' + lvl + ')$');

    if (type !== 'log') {

      // Add the type to the front of the message when it's not "log".
      args.unshift(type.toUpperCase() + ':');
    }

    // Add console prefix after adding to history.
    args.unshift(name + ':');

    // Add a clone of the args at this point to history.
    if (history) {
      history.push([].concat(args));
    }

    // If there's no console then don't try to output messages, but they will
    // still be stored in history.
    if (!window.console) {
      return;
    }

    // Was setting these once outside of this function, but containing them
    // in the function makes it easier to test cases where console doesn't exist
    // when the module is executed.
    var fn = window.console[type];

    if (!fn && type === 'debug') {
      // Certain browsers don't have support for console.debug. For those, we
      // should default to the closest comparable log.
      fn = window.console.info || window.console.log;
    }

    // Bail out if there's no console or if this type is not allowed by the
    // current logging level.
    if (!fn || !lvl || !lvlRegExp.test(type)) {
      return;
    }

    // IEs previous to 11 log objects uselessly as "[object Object]"; so, JSONify
    // objects and arrays for those less-capable browsers.
    if (stringify) {
      args = args.map(function (a) {
        if (isObject(a) || Array.isArray(a)) {
          try {
            return JSON.stringify(a);
          } catch (x) {
            return String(a);
          }
        }

        // Cast to string before joining, so we get null and undefined explicitly
        // included in output (as we would in a modern console).
        return String(a);
      }).join(' ');
    }

    // Old IE versions do not allow .apply() for console methods (they are
    // reported as objects rather than functions).
    if (!fn.apply) {
      fn(args);
    } else {
      fn[Array.isArray(args) ? 'apply' : 'call'](window.console, args);
    }
  };
};

function createLogger$1(name) {
  // This is the private tracking variable for logging level.
  var level = 'info';

  // the curried logByType bound to the specific log and history
  var logByType = void 0;

  /**
   * Logs plain debug messages. Similar to `console.log`.
   *
   * Due to [limitations](https://github.com/jsdoc3/jsdoc/issues/955#issuecomment-313829149)
   * of our JSDoc template, we cannot properly document this as both a function
   * and a namespace, so its function signature is documented here.
   *
   * #### Arguments
   * ##### *args
   * Mixed[]
   *
   * Any combination of values that could be passed to `console.log()`.
   *
   * #### Return Value
   *
   * `undefined`
   *
   * @namespace
   * @param    {Mixed[]} args
   *           One or more messages or objects that should be logged.
   */
  var log = function log() {
    var stringify = log.stringify || IE_VERSION && IE_VERSION < 11;

    for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
      args[_key] = arguments[_key];
    }

    logByType('log', level, args, stringify);
  };

  // This is the logByType helper that the logging methods below use
  logByType = LogByTypeFactory(name, log);

  /**
   * Create a new sublogger which chains the old name to the new name.
   *
   * For example, doing `videojs.log.createLogger('player')` and then using that logger will log the following:
   * ```js
   *  mylogger('foo');
   *  // > VIDEOJS: player: foo
   * ```
   *
   * @param {string} name
   *        The name to add call the new logger
   * @return {Object}
   */
  log.createLogger = function (subname) {
    return createLogger$1(name + ': ' + subname);
  };

  /**
   * Enumeration of available logging levels, where the keys are the level names
   * and the values are `|`-separated strings containing logging methods allowed
   * in that logging level. These strings are used to create a regular expression
   * matching the function name being called.
   *
   * Levels provided by Video.js are:
   *
   * - `off`: Matches no calls. Any value that can be cast to `false` will have
   *   this effect. The most restrictive.
   * - `all`: Matches only Video.js-provided functions (`debug`, `log`,
   *   `log.warn`, and `log.error`).
   * - `debug`: Matches `log.debug`, `log`, `log.warn`, and `log.error` calls.
   * - `info` (default): Matches `log`, `log.warn`, and `log.error` calls.
   * - `warn`: Matches `log.warn` and `log.error` calls.
   * - `error`: Matches only `log.error` calls.
   *
   * @type {Object}
   */
  log.levels = {
    all: 'debug|log|warn|error',
    off: '',
    debug: 'debug|log|warn|error',
    info: 'log|warn|error',
    warn: 'warn|error',
    error: 'error',
    DEFAULT: level
  };

  /**
   * Get or set the current logging level.
   *
   * If a string matching a key from {@link module:log.levels} is provided, acts
   * as a setter.
   *
   * @param  {string} [lvl]
   *         Pass a valid level to set a new logging level.
   *
   * @return {string}
   *         The current logging level.
   */
  log.level = function (lvl) {
    if (typeof lvl === 'string') {
      if (!log.levels.hasOwnProperty(lvl)) {
        throw new Error('"' + lvl + '" in not a valid log level');
      }
      level = lvl;
    }
    return level;
  };

  /**
   * Returns an array containing everything that has been logged to the history.
   *
   * This array is a shallow clone of the internal history record. However, its
   * contents are _not_ cloned; so, mutating objects inside this array will
   * mutate them in history.
   *
   * @return {Array}
   */
  log.history = function () {
    return history ? [].concat(history) : [];
  };

  /**
   * Allows you to filter the history by the given logger name
   *
   * @param {string} fname
   *        The name to filter by
   *
   * @return {Array}
   *         The filtered list to return
   */
  log.history.filter = function (fname) {
    return (history || []).filter(function (historyItem) {
      // if the first item in each historyItem includes `fname`, then it's a match
      return new RegExp('.*' + fname + '.*').test(historyItem[0]);
    });
  };

  /**
   * Clears the internal history tracking, but does not prevent further history
   * tracking.
   */
  log.history.clear = function () {
    if (history) {
      history.length = 0;
    }
  };

  /**
   * Disable history tracking if it is currently enabled.
   */
  log.history.disable = function () {
    if (history !== null) {
      history.length = 0;
      history = null;
    }
  };

  /**
   * Enable history tracking if it is currently disabled.
   */
  log.history.enable = function () {
    if (history === null) {
      history = [];
    }
  };

  /**
   * Logs error messages. Similar to `console.error`.
   *
   * @param {Mixed[]} args
   *        One or more messages or objects that should be logged as an error
   */
  log.error = function () {
    for (var _len2 = arguments.length, args = Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
      args[_key2] = arguments[_key2];
    }

    return logByType('error', level, args);
  };

  /**
   * Logs warning messages. Similar to `console.warn`.
   *
   * @param {Mixed[]} args
   *        One or more messages or objects that should be logged as a warning.
   */
  log.warn = function () {
    for (var _len3 = arguments.length, args = Array(_len3), _key3 = 0; _key3 < _len3; _key3++) {
      args[_key3] = arguments[_key3];
    }

    return logByType('warn', level, args);
  };

  /**
   * Logs debug messages. Similar to `console.debug`, but may also act as a comparable
   * log if `console.debug` is not available
   *
   * @param {Mixed[]} args
   *        One or more messages or objects that should be logged as debug.
   */
  log.debug = function () {
    for (var _len4 = arguments.length, args = Array(_len4), _key4 = 0; _key4 < _len4; _key4++) {
      args[_key4] = arguments[_key4];
    }

    return logByType('debug', level, args);
  };

  return log;
}

/**
 * @file log.js
 * @module log
 */
var log = createLogger$1('VIDEOJS');
var createLogger = log.createLogger;

/**
 * @file computed-style.js
 * @module computed-style
 */
/**
 * A safe getComputedStyle with an IE8 fallback.
 *
 * This is needed because in Firefox, if the player is loaded in an iframe with
 * `display:none`, then `getComputedStyle` returns `null`, so, we do a null-check to
 * make sure  that the player doesn't break in these cases.
 *
 * @param {Element} el
 *        The element you want the computed style of
 *
 * @param {string} prop
 *        The property name you want
 *
 * @see https://bugzilla.mozilla.org/show_bug.cgi?id=548397
 *
 * @static
 * @const
 */
function computedStyle(el, prop) {
  if (!el || !prop) {
    return '';
  }

  if (typeof window.getComputedStyle === 'function') {
    var cs = window.getComputedStyle(el);

    return cs ? cs[prop] : '';
  }

  return el.currentStyle[prop] || '';
}

var _templateObject = taggedTemplateLiteralLoose(['Setting attributes in the second argument of createEl()\n                has been deprecated. Use the third argument instead.\n                createEl(type, properties, attributes). Attempting to set ', ' to ', '.'], ['Setting attributes in the second argument of createEl()\n                has been deprecated. Use the third argument instead.\n                createEl(type, properties, attributes). Attempting to set ', ' to ', '.']);

/**
 * @file dom.js
 * @module dom
 */
/**
 * Detect if a value is a string with any non-whitespace characters.
 *
 * @param {string} str
 *        The string to check
 *
 * @return {boolean}
 *         - True if the string is non-blank
 *         - False otherwise
 *
 */
function isNonBlankString(str) {
  return typeof str === 'string' && /\S/.test(str);
}

/**
 * Throws an error if the passed string has whitespace. This is used by
 * class methods to be relatively consistent with the classList API.
 *
 * @param {string} str
 *         The string to check for whitespace.
 *
 * @throws {Error}
 *         Throws an error if there is whitespace in the string.
 *
 */
function throwIfWhitespace(str) {
  if (/\s/.test(str)) {
    throw new Error('class has illegal whitespace characters');
  }
}

/**
 * Produce a regular expression for matching a className within an elements className.
 *
 * @param {string} className
 *         The className to generate the RegExp for.
 *
 * @return {RegExp}
 *         The RegExp that will check for a specific `className` in an elements
 *         className.
 */
function classRegExp(className) {
  return new RegExp('(^|\\s)' + className + '($|\\s)');
}

/**
 * Whether the current DOM interface appears to be real.
 *
 * @return {Boolean}
 */
function isReal() {
  return (

    // Both document and window will never be undefined thanks to `global`.
    document === window.document &&

    // In IE < 9, DOM methods return "object" as their type, so all we can
    // confidently check is that it exists.
    typeof document.createElement !== 'undefined'
  );
}

/**
 * Determines, via duck typing, whether or not a value is a DOM element.
 *
 * @param {Mixed} value
 *        The thing to check
 *
 * @return {boolean}
 *         - True if it is a DOM element
 *         - False otherwise
 */
function isEl(value) {
  return isObject(value) && value.nodeType === 1;
}

/**
 * Determines if the current DOM is embedded in an iframe.
 *
 * @return {boolean}
 *
 */
function isInFrame() {

  // We need a try/catch here because Safari will throw errors when attempting
  // to get either `parent` or `self`
  try {
    return window.parent !== window.self;
  } catch (x) {
    return true;
  }
}

/**
 * Creates functions to query the DOM using a given method.
 *
 * @param {string} method
 *         The method to create the query with.
 *
 * @return {Function}
 *         The query method
 */
function createQuerier(method) {
  return function (selector, context) {
    if (!isNonBlankString(selector)) {
      return document[method](null);
    }
    if (isNonBlankString(context)) {
      context = document.querySelector(context);
    }

    var ctx = isEl(context) ? context : document;

    return ctx[method] && ctx[method](selector);
  };
}

/**
 * Creates an element and applies properties.
 *
 * @param {string} [tagName='div']
 *         Name of tag to be created.
 *
 * @param {Object} [properties={}]
 *         Element properties to be applied.
 *
 * @param {Object} [attributes={}]
 *         Element attributes to be applied.
 *
 * @param {String|Element|TextNode|Array|Function} [content]
 *         Contents for the element (see: {@link dom:normalizeContent})
 *
 * @return {Element}
 *         The element that was created.
 */
function createEl() {
  var tagName = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 'div';
  var properties = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
  var attributes = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
  var content = arguments[3];

  var el = document.createElement(tagName);

  Object.getOwnPropertyNames(properties).forEach(function (propName) {
    var val = properties[propName];

    // See #2176
    // We originally were accepting both properties and attributes in the
    // same object, but that doesn't work so well.
    if (propName.indexOf('aria-') !== -1 || propName === 'role' || propName === 'type') {
      log.warn(tsml(_templateObject, propName, val));
      el.setAttribute(propName, val);

      // Handle textContent since it's not supported everywhere and we have a
      // method for it.
    } else if (propName === 'textContent') {
      textContent(el, val);
    } else {
      el[propName] = val;
    }
  });

  Object.getOwnPropertyNames(attributes).forEach(function (attrName) {
    el.setAttribute(attrName, attributes[attrName]);
  });

  if (content) {
    appendContent(el, content);
  }

  return el;
}

/**
 * Injects text into an element, replacing any existing contents entirely.
 *
 * @param {Element} el
 *        The element to add text content into
 *
 * @param {string} text
 *        The text content to add.
 *
 * @return {Element}
 *         The element with added text content.
 */
function textContent(el, text) {
  if (typeof el.textContent === 'undefined') {
    el.innerText = text;
  } else {
    el.textContent = text;
  }
  return el;
}

/**
 * Insert an element as the first child node of another
 *
 * @param {Element} child
 *        Element to insert
 *
 * @param {Element} parent
 *        Element to insert child into
 */
function prependTo(child, parent) {
  if (parent.firstChild) {
    parent.insertBefore(child, parent.firstChild);
  } else {
    parent.appendChild(child);
  }
}

/**
 * Check if an element has a CSS class
 *
 * @param {Element} element
 *        Element to check
 *
 * @param {string} classToCheck
 *        Class name to check for
 *
 * @return {boolean}
 *         - True if the element had the class
 *         - False otherwise.
 *
 * @throws {Error}
 *         Throws an error if `classToCheck` has white space.
 */
function hasClass(element, classToCheck) {
  throwIfWhitespace(classToCheck);
  if (element.classList) {
    return element.classList.contains(classToCheck);
  }
  return classRegExp(classToCheck).test(element.className);
}

/**
 * Add a CSS class name to an element
 *
 * @param {Element} element
 *        Element to add class name to.
 *
 * @param {string} classToAdd
 *        Class name to add.
 *
 * @return {Element}
 *         The dom element with the added class name.
 */
function addClass(element, classToAdd) {
  if (element.classList) {
    element.classList.add(classToAdd);

    // Don't need to `throwIfWhitespace` here because `hasElClass` will do it
    // in the case of classList not being supported.
  } else if (!hasClass(element, classToAdd)) {
    element.className = (element.className + ' ' + classToAdd).trim();
  }

  return element;
}

/**
 * Remove a CSS class name from an element
 *
 * @param {Element} element
 *        Element to remove a class name from.
 *
 * @param {string} classToRemove
 *        Class name to remove
 *
 * @return {Element}
 *         The dom element with class name removed.
 */
function removeClass(element, classToRemove) {
  if (element.classList) {
    element.classList.remove(classToRemove);
  } else {
    throwIfWhitespace(classToRemove);
    element.className = element.className.split(/\s+/).filter(function (c) {
      return c !== classToRemove;
    }).join(' ');
  }

  return element;
}

/**
 * The callback definition for toggleElClass.
 *
 * @callback Dom~PredicateCallback
 * @param {Element} element
 *        The DOM element of the Component.
 *
 * @param {string} classToToggle
 *        The `className` that wants to be toggled
 *
 * @return {boolean|undefined}
 *         - If true the `classToToggle` will get added to `element`.
 *         - If false the `classToToggle` will get removed from `element`.
 *         - If undefined this callback will be ignored
 */

/**
 * Adds or removes a CSS class name on an element depending on an optional
 * condition or the presence/absence of the class name.
 *
 * @param {Element} element
 *        The element to toggle a class name on.
 *
 * @param {string} classToToggle
 *        The class that should be toggled
 *
 * @param {boolean|PredicateCallback} [predicate]
 *        See the return value for {@link Dom~PredicateCallback}
 *
 * @return {Element}
 *         The element with a class that has been toggled.
 */
function toggleClass(element, classToToggle, predicate) {

  // This CANNOT use `classList` internally because IE does not support the
  // second parameter to the `classList.toggle()` method! Which is fine because
  // `classList` will be used by the add/remove functions.
  var has = hasClass(element, classToToggle);

  if (typeof predicate === 'function') {
    predicate = predicate(element, classToToggle);
  }

  if (typeof predicate !== 'boolean') {
    predicate = !has;
  }

  // If the necessary class operation matches the current state of the
  // element, no action is required.
  if (predicate === has) {
    return;
  }

  if (predicate) {
    addClass(element, classToToggle);
  } else {
    removeClass(element, classToToggle);
  }

  return element;
}

/**
 * Apply attributes to an HTML element.
 *
 * @param {Element} el
 *        Element to add attributes to.
 *
 * @param {Object} [attributes]
 *        Attributes to be applied.
 */
function setAttributes(el, attributes) {
  Object.getOwnPropertyNames(attributes).forEach(function (attrName) {
    var attrValue = attributes[attrName];

    if (attrValue === null || typeof attrValue === 'undefined' || attrValue === false) {
      el.removeAttribute(attrName);
    } else {
      el.setAttribute(attrName, attrValue === true ? '' : attrValue);
    }
  });
}

/**
 * Get an element's attribute values, as defined on the HTML tag
 * Attributes are not the same as properties. They're defined on the tag
 * or with setAttribute (which shouldn't be used with HTML)
 * This will return true or false for boolean attributes.
 *
 * @param {Element} tag
 *        Element from which to get tag attributes.
 *
 * @return {Object}
 *         All attributes of the element.
 */
function getAttributes(tag) {
  var obj = {};

  // known boolean attributes
  // we can check for matching boolean properties, but older browsers
  // won't know about HTML5 boolean attributes that we still read from
  var knownBooleans = ',' + 'autoplay,controls,playsinline,loop,muted,default,defaultMuted' + ',';

  if (tag && tag.attributes && tag.attributes.length > 0) {
    var attrs = tag.attributes;

    for (var i = attrs.length - 1; i >= 0; i--) {
      var attrName = attrs[i].name;
      var attrVal = attrs[i].value;

      // check for known booleans
      // the matching element property will return a value for typeof
      if (typeof tag[attrName] === 'boolean' || knownBooleans.indexOf(',' + attrName + ',') !== -1) {
        // the value of an included boolean attribute is typically an empty
        // string ('') which would equal false if we just check for a false value.
        // we also don't want support bad code like autoplay='false'
        attrVal = attrVal !== null ? true : false;
      }

      obj[attrName] = attrVal;
    }
  }

  return obj;
}

/**
 * Get the value of an element's attribute
 *
 * @param {Element} el
 *        A DOM element
 *
 * @param {string} attribute
 *        Attribute to get the value of
 *
 * @return {string}
 *         value of the attribute
 */
function getAttribute(el, attribute) {
  return el.getAttribute(attribute);
}

/**
 * Set the value of an element's attribute
 *
 * @param {Element} el
 *        A DOM element
 *
 * @param {string} attribute
 *        Attribute to set
 *
 * @param {string} value
 *        Value to set the attribute to
 */
function setAttribute(el, attribute, value) {
  el.setAttribute(attribute, value);
}

/**
 * Remove an element's attribute
 *
 * @param {Element} el
 *        A DOM element
 *
 * @param {string} attribute
 *        Attribute to remove
 */
function removeAttribute(el, attribute) {
  el.removeAttribute(attribute);
}

/**
 * Attempt to block the ability to select text while dragging controls
 */
function blockTextSelection() {
  document.body.focus();
  document.onselectstart = function () {
    return false;
  };
}

/**
 * Turn off text selection blocking
 */
function unblockTextSelection() {
  document.onselectstart = function () {
    return true;
  };
}

/**
 * Identical to the native `getBoundingClientRect` function, but ensures that
 * the method is supported at all (it is in all browsers we claim to support)
 * and that the element is in the DOM before continuing.
 *
 * This wrapper function also shims properties which are not provided by some
 * older browsers (namely, IE8).
 *
 * Additionally, some browsers do not support adding properties to a
 * `ClientRect`/`DOMRect` object; so, we shallow-copy it with the standard
 * properties (except `x` and `y` which are not widely supported). This helps
 * avoid implementations where keys are non-enumerable.
 *
 * @param  {Element} el
 *         Element whose `ClientRect` we want to calculate.
 *
 * @return {Object|undefined}
 *         Always returns a plain
 */
function getBoundingClientRect(el) {
  if (el && el.getBoundingClientRect && el.parentNode) {
    var rect = el.getBoundingClientRect();
    var result = {};

    ['bottom', 'height', 'left', 'right', 'top', 'width'].forEach(function (k) {
      if (rect[k] !== undefined) {
        result[k] = rect[k];
      }
    });

    if (!result.height) {
      result.height = parseFloat(computedStyle(el, 'height'));
    }

    if (!result.width) {
      result.width = parseFloat(computedStyle(el, 'width'));
    }

    return result;
  }
}

/**
 * The postion of a DOM element on the page.
 *
 * @typedef {Object} module:dom~Position
 *
 * @property {number} left
 *           Pixels to the left
 *
 * @property {number} top
 *           Pixels on top
 */

/**
 * Offset Left.
 * getBoundingClientRect technique from
 * John Resig
 *
 * @see http://ejohn.org/blog/getboundingclientrect-is-awesome/
 *
 * @param {Element} el
 *        Element from which to get offset
 *
 * @return {module:dom~Position}
 *         The position of the element that was passed in.
 */
function findPosition(el) {
  var box = void 0;

  if (el.getBoundingClientRect && el.parentNode) {
    box = el.getBoundingClientRect();
  }

  if (!box) {
    return {
      left: 0,
      top: 0
    };
  }

  var docEl = document.documentElement;
  var body = document.body;

  var clientLeft = docEl.clientLeft || body.clientLeft || 0;
  var scrollLeft = window.pageXOffset || body.scrollLeft;
  var left = box.left + scrollLeft - clientLeft;

  var clientTop = docEl.clientTop || body.clientTop || 0;
  var scrollTop = window.pageYOffset || body.scrollTop;
  var top = box.top + scrollTop - clientTop;

  // Android sometimes returns slightly off decimal values, so need to round
  return {
    left: Math.round(left),
    top: Math.round(top)
  };
}

/**
 * x and y coordinates for a dom element or mouse pointer
 *
 * @typedef {Object} Dom~Coordinates
 *
 * @property {number} x
 *           x coordinate in pixels
 *
 * @property {number} y
 *           y coordinate in pixels
 */

/**
 * Get pointer position in element
 * Returns an object with x and y coordinates.
 * The base on the coordinates are the bottom left of the element.
 *
 * @param {Element} el
 *        Element on which to get the pointer position on
 *
 * @param {EventTarget~Event} event
 *        Event object
 *
 * @return {Dom~Coordinates}
 *         A Coordinates object corresponding to the mouse position.
 *
 */
function getPointerPosition(el, event) {
  var position = {};
  var box = findPosition(el);
  var boxW = el.offsetWidth;
  var boxH = el.offsetHeight;

  var boxY = box.top;
  var boxX = box.left;
  var pageY = event.pageY;
  var pageX = event.pageX;

  if (event.changedTouches) {
    pageX = event.changedTouches[0].pageX;
    pageY = event.changedTouches[0].pageY;
  }

  position.y = Math.max(0, Math.min(1, (boxY - pageY + boxH) / boxH));
  position.x = Math.max(0, Math.min(1, (pageX - boxX) / boxW));

  return position;
}

/**
 * Determines, via duck typing, whether or not a value is a text node.
 *
 * @param {Mixed} value
 *        Check if this value is a text node.
 *
 * @return {boolean}
 *         - True if it is a text node
 *         - False otherwise
 */
function isTextNode(value) {
  return isObject(value) && value.nodeType === 3;
}

/**
 * Empties the contents of an element.
 *
 * @param {Element} el
 *        The element to empty children from
 *
 * @return {Element}
 *         The element with no children
 */
function emptyEl(el) {
  while (el.firstChild) {
    el.removeChild(el.firstChild);
  }
  return el;
}

/**
 * Normalizes content for eventual insertion into the DOM.
 *
 * This allows a wide range of content definition methods, but protects
 * from falling into the trap of simply writing to `innerHTML`, which is
 * an XSS concern.
 *
 * The content for an element can be passed in multiple types and
 * combinations, whose behavior is as follows:
 *
 * @param {String|Element|TextNode|Array|Function} content
 *        - String: Normalized into a text node.
 *        - Element/TextNode: Passed through.
 *        - Array: A one-dimensional array of strings, elements, nodes, or functions
 *          (which return single strings, elements, or nodes).
 *        - Function: If the sole argument, is expected to produce a string, element,
 *          node, or array as defined above.
 *
 * @return {Array}
 *         All of the content that was passed in normalized.
 */
function normalizeContent(content) {

  // First, invoke content if it is a function. If it produces an array,
  // that needs to happen before normalization.
  if (typeof content === 'function') {
    content = content();
  }

  // Next up, normalize to an array, so one or many items can be normalized,
  // filtered, and returned.
  return (Array.isArray(content) ? content : [content]).map(function (value) {

    // First, invoke value if it is a function to produce a new value,
    // which will be subsequently normalized to a Node of some kind.
    if (typeof value === 'function') {
      value = value();
    }

    if (isEl(value) || isTextNode(value)) {
      return value;
    }

    if (typeof value === 'string' && /\S/.test(value)) {
      return document.createTextNode(value);
    }
  }).filter(function (value) {
    return value;
  });
}

/**
 * Normalizes and appends content to an element.
 *
 * @param {Element} el
 *        Element to append normalized content to.
 *
 *
 * @param {String|Element|TextNode|Array|Function} content
 *        See the `content` argument of {@link dom:normalizeContent}
 *
 * @return {Element}
 *         The element with appended normalized content.
 */
function appendContent(el, content) {
  normalizeContent(content).forEach(function (node) {
    return el.appendChild(node);
  });
  return el;
}

/**
 * Normalizes and inserts content into an element; this is identical to
 * `appendContent()`, except it empties the element first.
 *
 * @param {Element} el
 *        Element to insert normalized content into.
 *
 * @param {String|Element|TextNode|Array|Function} content
 *        See the `content` argument of {@link dom:normalizeContent}
 *
 * @return {Element}
 *         The element with inserted normalized content.
 *
 */
function insertContent(el, content) {
  return appendContent(emptyEl(el), content);
}

/**
 * Check if event was a single left click
 *
 * @param {EventTarget~Event} event
 *        Event object
 *
 * @return {boolean}
 *         - True if a left click
 *         - False if not a left click
 */
function isSingleLeftClick(event) {
  // Note: if you create something draggable, be sure to
  // call it on both `mousedown` and `mousemove` event,
  // otherwise `mousedown` should be enough for a button

  if (event.button === undefined && event.buttons === undefined) {
    // Why do we need `buttons` ?
    // Because, middle mouse sometimes have this:
    // e.button === 0 and e.buttons === 4
    // Furthermore, we want to prevent combination click, something like
    // HOLD middlemouse then left click, that would be
    // e.button === 0, e.buttons === 5
    // just `button` is not gonna work

    // Alright, then what this block does ?
    // this is for chrome `simulate mobile devices`
    // I want to support this as well

    return true;
  }

  if (event.button === 0 && event.buttons === undefined) {
    // Touch screen, sometimes on some specific device, `buttons`
    // doesn't have anything (safari on ios, blackberry...)

    return true;
  }

  if (IE_VERSION === 9) {
    // Ignore IE9

    return true;
  }

  if (event.button !== 0 || event.buttons !== 1) {
    // This is the reason we have those if else block above
    // if any special case we can catch and let it slide
    // we do it above, when get to here, this definitely
    // is-not-left-click

    return false;
  }

  return true;
}

/**
 * Finds a single DOM element matching `selector` within the optional
 * `context` of another DOM element (defaulting to `document`).
 *
 * @param {string} selector
 *        A valid CSS selector, which will be passed to `querySelector`.
 *
 * @param {Element|String} [context=document]
 *        A DOM element within which to query. Can also be a selector
 *        string in which case the first matching element will be used
 *        as context. If missing (or no element matches selector), falls
 *        back to `document`.
 *
 * @return {Element|null}
 *         The element that was found or null.
 */
var $ = createQuerier('querySelector');

/**
 * Finds a all DOM elements matching `selector` within the optional
 * `context` of another DOM element (defaulting to `document`).
 *
 * @param {string} selector
 *           A valid CSS selector, which will be passed to `querySelectorAll`.
 *
 * @param {Element|String} [context=document]
 *           A DOM element within which to query. Can also be a selector
 *           string in which case the first matching element will be used
 *           as context. If missing (or no element matches selector), falls
 *           back to `document`.
 *
 * @return {NodeList}
 *         A element list of elements that were found. Will be empty if none were found.
 *
 */
var $$ = createQuerier('querySelectorAll');



var Dom = (Object.freeze || Object)({
	isReal: isReal,
	isEl: isEl,
	isInFrame: isInFrame,
	createEl: createEl,
	textContent: textContent,
	prependTo: prependTo,
	hasClass: hasClass,
	addClass: addClass,
	removeClass: removeClass,
	toggleClass: toggleClass,
	setAttributes: setAttributes,
	getAttributes: getAttributes,
	getAttribute: getAttribute,
	setAttribute: setAttribute,
	removeAttribute: removeAttribute,
	blockTextSelection: blockTextSelection,
	unblockTextSelection: unblockTextSelection,
	getBoundingClientRect: getBoundingClientRect,
	findPosition: findPosition,
	getPointerPosition: getPointerPosition,
	isTextNode: isTextNode,
	emptyEl: emptyEl,
	normalizeContent: normalizeContent,
	appendContent: appendContent,
	insertContent: insertContent,
	isSingleLeftClick: isSingleLeftClick,
	$: $,
	$$: $$
});

/**
 * @file guid.js
 * @module guid
 */

/**
 * Unique ID for an element or function
 * @type {Number}
 */
var _guid = 1;

/**
 * Get a unique auto-incrementing ID by number that has not been returned before.
 *
 * @return {number}
 *         A new unique ID.
 */
function newGUID() {
  return _guid++;
}

/**
 * @file dom-data.js
 * @module dom-data
 */
/**
 * Element Data Store.
 *
 * Allows for binding data to an element without putting it directly on the
 * element. Ex. Event listeners are stored here.
 * (also from jsninja.com, slightly modified and updated for closure compiler)
 *
 * @type {Object}
 * @private
 */
var elData = {};

/*
 * Unique attribute name to store an element's guid in
 *
 * @type {String}
 * @constant
 * @private
 */
var elIdAttr = 'vdata' + new Date().getTime();

/**
 * Returns the cache object where data for an element is stored
 *
 * @param {Element} el
 *        Element to store data for.
 *
 * @return {Object}
 *         The cache object for that el that was passed in.
 */
function getData(el) {
  var id = el[elIdAttr];

  if (!id) {
    id = el[elIdAttr] = newGUID();
  }

  if (!elData[id]) {
    elData[id] = {};
  }

  return elData[id];
}

/**
 * Returns whether or not an element has cached data
 *
 * @param {Element} el
 *        Check if this element has cached data.
 *
 * @return {boolean}
 *         - True if the DOM element has cached data.
 *         - False otherwise.
 */
function hasData(el) {
  var id = el[elIdAttr];

  if (!id) {
    return false;
  }

  return !!Object.getOwnPropertyNames(elData[id]).length;
}

/**
 * Delete data for the element from the cache and the guid attr from getElementById
 *
 * @param {Element} el
 *        Remove cached data for this element.
 */
function removeData(el) {
  var id = el[elIdAttr];

  if (!id) {
    return;
  }

  // Remove all stored data
  delete elData[id];

  // Remove the elIdAttr property from the DOM node
  try {
    delete el[elIdAttr];
  } catch (e) {
    if (el.removeAttribute) {
      el.removeAttribute(elIdAttr);
    } else {
      // IE doesn't appear to support removeAttribute on the document element
      el[elIdAttr] = null;
    }
  }
}

/**
 * @file events.js. An Event System (John Resig - Secrets of a JS Ninja http://jsninja.com/)
 * (Original book version wasn't completely usable, so fixed some things and made Closure Compiler compatible)
 * This should work very similarly to jQuery's events, however it's based off the book version which isn't as
 * robust as jquery's, so there's probably some differences.
 *
 * @module events
 */

/**
 * Clean up the listener cache and dispatchers
 *
 * @param {Element|Object} elem
 *        Element to clean up
 *
 * @param {string} type
 *        Type of event to clean up
 */
function _cleanUpEvents(elem, type) {
  var data = getData(elem);

  // Remove the events of a particular type if there are none left
  if (data.handlers[type].length === 0) {
    delete data.handlers[type];
    // data.handlers[type] = null;
    // Setting to null was causing an error with data.handlers

    // Remove the meta-handler from the element
    if (elem.removeEventListener) {
      elem.removeEventListener(type, data.dispatcher, false);
    } else if (elem.detachEvent) {
      elem.detachEvent('on' + type, data.dispatcher);
    }
  }

  // Remove the events object if there are no types left
  if (Object.getOwnPropertyNames(data.handlers).length <= 0) {
    delete data.handlers;
    delete data.dispatcher;
    delete data.disabled;
  }

  // Finally remove the element data if there is no data left
  if (Object.getOwnPropertyNames(data).length === 0) {
    removeData(elem);
  }
}

/**
 * Loops through an array of event types and calls the requested method for each type.
 *
 * @param {Function} fn
 *        The event method we want to use.
 *
 * @param {Element|Object} elem
 *        Element or object to bind listeners to
 *
 * @param {string} type
 *        Type of event to bind to.
 *
 * @param {EventTarget~EventListener} callback
 *        Event listener.
 */
function _handleMultipleEvents(fn, elem, types, callback) {
  types.forEach(function (type) {
    // Call the event method for each one of the types
    fn(elem, type, callback);
  });
}

/**
 * Fix a native event to have standard property values
 *
 * @param {Object} event
 *        Event object to fix.
 *
 * @return {Object}
 *         Fixed event object.
 */
function fixEvent(event) {

  function returnTrue() {
    return true;
  }

  function returnFalse() {
    return false;
  }

  // Test if fixing up is needed
  // Used to check if !event.stopPropagation instead of isPropagationStopped
  // But native events return true for stopPropagation, but don't have
  // other expected methods like isPropagationStopped. Seems to be a problem
  // with the Javascript Ninja code. So we're just overriding all events now.
  if (!event || !event.isPropagationStopped) {
    var old = event || window.event;

    event = {};
    // Clone the old object so that we can modify the values event = {};
    // IE8 Doesn't like when you mess with native event properties
    // Firefox returns false for event.hasOwnProperty('type') and other props
    //  which makes copying more difficult.
    // TODO: Probably best to create a whitelist of event props
    for (var key in old) {
      // Safari 6.0.3 warns you if you try to copy deprecated layerX/Y
      // Chrome warns you if you try to copy deprecated keyboardEvent.keyLocation
      // and webkitMovementX/Y
      if (key !== 'layerX' && key !== 'layerY' && key !== 'keyLocation' && key !== 'webkitMovementX' && key !== 'webkitMovementY') {
        // Chrome 32+ warns if you try to copy deprecated returnValue, but
        // we still want to if preventDefault isn't supported (IE8).
        if (!(key === 'returnValue' && old.preventDefault)) {
          event[key] = old[key];
        }
      }
    }

    // The event occurred on this element
    if (!event.target) {
      event.target = event.srcElement || document;
    }

    // Handle which other element the event is related to
    if (!event.relatedTarget) {
      event.relatedTarget = event.fromElement === event.target ? event.toElement : event.fromElement;
    }

    // Stop the default browser action
    event.preventDefault = function () {
      if (old.preventDefault) {
        old.preventDefault();
      }
      event.returnValue = false;
      old.returnValue = false;
      event.defaultPrevented = true;
    };

    event.defaultPrevented = false;

    // Stop the event from bubbling
    event.stopPropagation = function () {
      if (old.stopPropagation) {
        old.stopPropagation();
      }
      event.cancelBubble = true;
      old.cancelBubble = true;
      event.isPropagationStopped = returnTrue;
    };

    event.isPropagationStopped = returnFalse;

    // Stop the event from bubbling and executing other handlers
    event.stopImmediatePropagation = function () {
      if (old.stopImmediatePropagation) {
        old.stopImmediatePropagation();
      }
      event.isImmediatePropagationStopped = returnTrue;
      event.stopPropagation();
    };

    event.isImmediatePropagationStopped = returnFalse;

    // Handle mouse position
    if (event.clientX !== null && event.clientX !== undefined) {
      var doc = document.documentElement;
      var body = document.body;

      event.pageX = event.clientX + (doc && doc.scrollLeft || body && body.scrollLeft || 0) - (doc && doc.clientLeft || body && body.clientLeft || 0);
      event.pageY = event.clientY + (doc && doc.scrollTop || body && body.scrollTop || 0) - (doc && doc.clientTop || body && body.clientTop || 0);
    }

    // Handle key presses
    event.which = event.charCode || event.keyCode;

    // Fix button for mouse clicks:
    // 0 == left; 1 == middle; 2 == right
    if (event.button !== null && event.button !== undefined) {

      // The following is disabled because it does not pass videojs-standard
      // and... yikes.
      /* eslint-disable */
      event.button = event.button & 1 ? 0 : event.button & 4 ? 1 : event.button & 2 ? 2 : 0;
      /* eslint-enable */
    }
  }

  // Returns fixed-up instance
  return event;
}

/**
 * Whether passive event listeners are supported
 */
var _supportsPassive = false;

(function () {
  try {
    var opts = Object.defineProperty({}, 'passive', {
      get: function get() {
        _supportsPassive = true;
      }
    });

    window.addEventListener('test', null, opts);
    window.removeEventListener('test', null, opts);
  } catch (e) {
    // disregard
  }
})();

/**
 * Touch events Chrome expects to be passive
 */
var passiveEvents = ['touchstart', 'touchmove'];

/**
 * Add an event listener to element
 * It stores the handler function in a separate cache object
 * and adds a generic handler to the element's event,
 * along with a unique id (guid) to the element.
 *
 * @param {Element|Object} elem
 *        Element or object to bind listeners to
 *
 * @param {string|string[]} type
 *        Type of event to bind to.
 *
 * @param {EventTarget~EventListener} fn
 *        Event listener.
 */
function on(elem, type, fn) {
  if (Array.isArray(type)) {
    return _handleMultipleEvents(on, elem, type, fn);
  }

  var data = getData(elem);

  // We need a place to store all our handler data
  if (!data.handlers) {
    data.handlers = {};
  }

  if (!data.handlers[type]) {
    data.handlers[type] = [];
  }

  if (!fn.guid) {
    fn.guid = newGUID();
  }

  data.handlers[type].push(fn);

  if (!data.dispatcher) {
    data.disabled = false;

    data.dispatcher = function (event, hash) {

      if (data.disabled) {
        return;
      }

      event = fixEvent(event);

      var handlers = data.handlers[event.type];

      if (handlers) {
        // Copy handlers so if handlers are added/removed during the process it doesn't throw everything off.
        var handlersCopy = handlers.slice(0);

        for (var m = 0, n = handlersCopy.length; m < n; m++) {
          if (event.isImmediatePropagationStopped()) {
            break;
          } else {
            try {
              handlersCopy[m].call(elem, event, hash);
            } catch (e) {
              log.error(e);
            }
          }
        }
      }
    };
  }

  if (data.handlers[type].length === 1) {
    if (elem.addEventListener) {
      var options = false;

      if (_supportsPassive && passiveEvents.indexOf(type) > -1) {
        options = { passive: true };
      }
      elem.addEventListener(type, data.dispatcher, options);
    } else if (elem.attachEvent) {
      elem.attachEvent('on' + type, data.dispatcher);
    }
  }
}

/**
 * Removes event listeners from an element
 *
 * @param {Element|Object} elem
 *        Object to remove listeners from.
 *
 * @param {string|string[]} [type]
 *        Type of listener to remove. Don't include to remove all events from element.
 *
 * @param {EventTarget~EventListener} [fn]
 *        Specific listener to remove. Don't include to remove listeners for an event
 *        type.
 */
function off(elem, type, fn) {
  // Don't want to add a cache object through getElData if not needed
  if (!hasData(elem)) {
    return;
  }

  var data = getData(elem);

  // If no events exist, nothing to unbind
  if (!data.handlers) {
    return;
  }

  if (Array.isArray(type)) {
    return _handleMultipleEvents(off, elem, type, fn);
  }

  // Utility function
  var removeType = function removeType(el, t) {
    data.handlers[t] = [];
    _cleanUpEvents(el, t);
  };

  // Are we removing all bound events?
  if (type === undefined) {
    for (var t in data.handlers) {
      if (Object.prototype.hasOwnProperty.call(data.handlers || {}, t)) {
        removeType(elem, t);
      }
    }
    return;
  }

  var handlers = data.handlers[type];

  // If no handlers exist, nothing to unbind
  if (!handlers) {
    return;
  }

  // If no listener was provided, remove all listeners for type
  if (!fn) {
    removeType(elem, type);
    return;
  }

  // We're only removing a single handler
  if (fn.guid) {
    for (var n = 0; n < handlers.length; n++) {
      if (handlers[n].guid === fn.guid) {
        handlers.splice(n--, 1);
      }
    }
  }

  _cleanUpEvents(elem, type);
}

/**
 * Trigger an event for an element
 *
 * @param {Element|Object} elem
 *        Element to trigger an event on
 *
 * @param {EventTarget~Event|string} event
 *        A string (the type) or an event object with a type attribute
 *
 * @param {Object} [hash]
 *        data hash to pass along with the event
 *
 * @return {boolean|undefined}
 *         - Returns the opposite of `defaultPrevented` if default was prevented
 *         - Otherwise returns undefined
 */
function trigger(elem, event, hash) {
  // Fetches element data and a reference to the parent (for bubbling).
  // Don't want to add a data object to cache for every parent,
  // so checking hasElData first.
  var elemData = hasData(elem) ? getData(elem) : {};
  var parent = elem.parentNode || elem.ownerDocument;
  // type = event.type || event,
  // handler;

  // If an event name was passed as a string, creates an event out of it
  if (typeof event === 'string') {
    event = { type: event, target: elem };
  } else if (!event.target) {
    event.target = elem;
  }

  // Normalizes the event properties.
  event = fixEvent(event);

  // If the passed element has a dispatcher, executes the established handlers.
  if (elemData.dispatcher) {
    elemData.dispatcher.call(elem, event, hash);
  }

  // Unless explicitly stopped or the event does not bubble (e.g. media events)
  // recursively calls this function to bubble the event up the DOM.
  if (parent && !event.isPropagationStopped() && event.bubbles === true) {
    trigger.call(null, parent, event, hash);

    // If at the top of the DOM, triggers the default action unless disabled.
  } else if (!parent && !event.defaultPrevented) {
    var targetData = getData(event.target);

    // Checks if the target has a default action for this event.
    if (event.target[event.type]) {
      // Temporarily disables event dispatching on the target as we have already executed the handler.
      targetData.disabled = true;
      // Executes the default action.
      if (typeof event.target[event.type] === 'function') {
        event.target[event.type]();
      }
      // Re-enables event dispatching.
      targetData.disabled = false;
    }
  }

  // Inform the triggerer if the default was prevented by returning false
  return !event.defaultPrevented;
}

/**
 * Trigger a listener only once for an event
 *
 * @param {Element|Object} elem
 *        Element or object to bind to.
 *
 * @param {string|string[]} type
 *        Name/type of event
 *
 * @param {Event~EventListener} fn
 *        Event Listener function
 */
function one(elem, type, fn) {
  if (Array.isArray(type)) {
    return _handleMultipleEvents(one, elem, type, fn);
  }
  var func = function func() {
    off(elem, type, func);
    fn.apply(this, arguments);
  };

  // copy the guid to the new function so it can removed using the original function's ID
  func.guid = fn.guid = fn.guid || newGUID();
  on(elem, type, func);
}

var Events = (Object.freeze || Object)({
	fixEvent: fixEvent,
	on: on,
	off: off,
	trigger: trigger,
	one: one
});

/**
 * @file setup.js - Functions for setting up a player without
 * user interaction based on the data-setup `attribute` of the video tag.
 *
 * @module setup
 */
var _windowLoaded = false;
var videojs$2 = void 0;

/**
 * Set up any tags that have a data-setup `attribute` when the player is started.
 */
var autoSetup = function autoSetup() {

  // Protect against breakage in non-browser environments and check global autoSetup option.
  if (!isReal() || videojs$2.options.autoSetup === false) {
    return;
  }

  // One day, when we stop supporting IE8, go back to this, but in the meantime...*hack hack hack*
  // var vids = Array.prototype.slice.call(document.getElementsByTagName('video'));
  // var audios = Array.prototype.slice.call(document.getElementsByTagName('audio'));
  // var mediaEls = vids.concat(audios);

  // Because IE8 doesn't support calling slice on a node list, we need to loop
  // through each list of elements to build up a new, combined list of elements.
  var vids = document.getElementsByTagName('video');
  var audios = document.getElementsByTagName('audio');
  var divs = document.getElementsByTagName('video-js');
  var mediaEls = [];

  if (vids && vids.length > 0) {
    for (var i = 0, e = vids.length; i < e; i++) {
      mediaEls.push(vids[i]);
    }
  }

  if (audios && audios.length > 0) {
    for (var _i = 0, _e = audios.length; _i < _e; _i++) {
      mediaEls.push(audios[_i]);
    }
  }

  if (divs && divs.length > 0) {
    for (var _i2 = 0, _e2 = divs.length; _i2 < _e2; _i2++) {
      mediaEls.push(divs[_i2]);
    }
  }

  // Check if any media elements exist
  if (mediaEls && mediaEls.length > 0) {

    for (var _i3 = 0, _e3 = mediaEls.length; _i3 < _e3; _i3++) {
      var mediaEl = mediaEls[_i3];

      // Check if element exists, has getAttribute func.
      // IE seems to consider typeof el.getAttribute == 'object' instead of
      // 'function' like expected, at least when loading the player immediately.
      if (mediaEl && mediaEl.getAttribute) {

        // Make sure this player hasn't already been set up.
        if (mediaEl.player === undefined) {
          var options = mediaEl.getAttribute('data-setup');

          // Check if data-setup attr exists.
          // We only auto-setup if they've added the data-setup attr.
          if (options !== null) {
            // Create new video.js instance.
            videojs$2(mediaEl);
          }
        }

        // If getAttribute isn't defined, we need to wait for the DOM.
      } else {
        autoSetupTimeout(1);
        break;
      }
    }

    // No videos were found, so keep looping unless page is finished loading.
  } else if (!_windowLoaded) {
    autoSetupTimeout(1);
  }
};

/**
 * Wait until the page is loaded before running autoSetup. This will be called in
 * autoSetup if `hasLoaded` returns false.
 *
 * @param {number} wait
 *        How long to wait in ms
 *
 * @param {module:videojs} [vjs]
 *        The videojs library function
 */
function autoSetupTimeout(wait, vjs) {
  if (vjs) {
    videojs$2 = vjs;
  }

  window.setTimeout(autoSetup, wait);
}

if (isReal() && document.readyState === 'complete') {
  _windowLoaded = true;
} else {
  /**
   * Listen for the load event on window, and set _windowLoaded to true.
   *
   * @listens load
   */
  one(window, 'load', function () {
    _windowLoaded = true;
  });
}

/**
 * @file stylesheet.js
 * @module stylesheet
 */
/**
 * Create a DOM syle element given a className for it.
 *
 * @param {string} className
 *        The className to add to the created style element.
 *
 * @return {Element}
 *         The element that was created.
 */
var createStyleElement = function createStyleElement(className) {
  var style = document.createElement('style');

  style.className = className;

  return style;
};

/**
 * Add text to a DOM element.
 *
 * @param {Element} el
 *        The Element to add text content to.
 *
 * @param {string} content
 *        The text to add to the element.
 */
var setTextContent = function setTextContent(el, content) {
  if (el.styleSheet) {
    el.styleSheet.cssText = content;
  } else {
    el.textContent = content;
  }
};

/**
 * @file fn.js
 * @module fn
 */
/**
 * Bind (a.k.a proxy or Context). A simple method for changing the context of a function
 * It also stores a unique id on the function so it can be easily removed from events.
 *
 * @param {Mixed} context
 *        The object to bind as scope.
 *
 * @param {Function} fn
 *        The function to be bound to a scope.
 *
 * @param {number} [uid]
 *        An optional unique ID for the function to be set
 *
 * @return {Function}
 *         The new function that will be bound into the context given
 */
var bind = function bind(context, fn, uid) {
  // Make sure the function has a unique ID
  if (!fn.guid) {
    fn.guid = newGUID();
  }

  // Create the new function that changes the context
  var bound = function bound() {
    return fn.apply(context, arguments);
  };

  // Allow for the ability to individualize this function
  // Needed in the case where multiple objects might share the same prototype
  // IF both items add an event listener with the same function, then you try to remove just one
  // it will remove both because they both have the same guid.
  // when using this, you need to use the bind method when you remove the listener as well.
  // currently used in text tracks
  bound.guid = uid ? uid + '_' + fn.guid : fn.guid;

  return bound;
};

/**
 * Wraps the given function, `fn`, with a new function that only invokes `fn`
 * at most once per every `wait` milliseconds.
 *
 * @param  {Function} fn
 *         The function to be throttled.
 *
 * @param  {Number}   wait
 *         The number of milliseconds by which to throttle.
 *
 * @return {Function}
 */
var throttle = function throttle(fn, wait) {
  var last = Date.now();

  var throttled = function throttled() {
    var now = Date.now();

    if (now - last >= wait) {
      fn.apply(undefined, arguments);
      last = now;
    }
  };

  return throttled;
};

/**
 * Creates a debounced function that delays invoking `func` until after `wait`
 * milliseconds have elapsed since the last time the debounced function was
 * invoked.
 *
 * Inspired by lodash and underscore implementations.
 *
 * @param  {Function} func
 *         The function to wrap with debounce behavior.
 *
 * @param  {number} wait
 *         The number of milliseconds to wait after the last invocation.
 *
 * @param  {boolean} [immediate]
 *         Whether or not to invoke the function immediately upon creation.
 *
 * @param  {Object} [context=window]
 *         The "context" in which the debounced function should debounce. For
 *         example, if this function should be tied to a Video.js player,
 *         the player can be passed here. Alternatively, defaults to the
 *         global `window` object.
 *
 * @return {Function}
 *         A debounced function.
 */
var debounce = function debounce(func, wait, immediate) {
  var context = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : window;

  var timeout = void 0;

  var cancel = function cancel() {
    context.clearTimeout(timeout);
    timeout = null;
  };

  /* eslint-disable consistent-this */
  var debounced = function debounced() {
    var self = this;
    var args = arguments;

    var _later = function later() {
      timeout = null;
      _later = null;
      if (!immediate) {
        func.apply(self, args);
      }
    };

    if (!timeout && immediate) {
      func.apply(self, args);
    }

    context.clearTimeout(timeout);
    timeout = context.setTimeout(_later, wait);
  };
  /* eslint-enable consistent-this */

  debounced.cancel = cancel;

  return debounced;
};

/**
 * @file src/js/event-target.js
 */
/**
 * `EventTarget` is a class that can have the same API as the DOM `EventTarget`. It
 * adds shorthand functions that wrap around lengthy functions. For example:
 * the `on` function is a wrapper around `addEventListener`.
 *
 * @see [EventTarget Spec]{@link https://www.w3.org/TR/DOM-Level-2-Events/events.html#Events-EventTarget}
 * @class EventTarget
 */
var EventTarget = function EventTarget() {};

/**
 * A Custom DOM event.
 *
 * @typedef {Object} EventTarget~Event
 * @see [Properties]{@link https://developer.mozilla.org/en-US/docs/Web/API/CustomEvent}
 */

/**
 * All event listeners should follow the following format.
 *
 * @callback EventTarget~EventListener
 * @this {EventTarget}
 *
 * @param {EventTarget~Event} event
 *        the event that triggered this function
 *
 * @param {Object} [hash]
 *        hash of data sent during the event
 */

/**
 * An object containing event names as keys and booleans as values.
 *
 * > NOTE: If an event name is set to a true value here {@link EventTarget#trigger}
 *         will have extra functionality. See that function for more information.
 *
 * @property EventTarget.prototype.allowedEvents_
 * @private
 */
EventTarget.prototype.allowedEvents_ = {};

/**
 * Adds an `event listener` to an instance of an `EventTarget`. An `event listener` is a
 * function that will get called when an event with a certain name gets triggered.
 *
 * @param {string|string[]} type
 *        An event name or an array of event names.
 *
 * @param {EventTarget~EventListener} fn
 *        The function to call with `EventTarget`s
 */
EventTarget.prototype.on = function (type, fn) {
  // Remove the addEventListener alias before calling Events.on
  // so we don't get into an infinite type loop
  var ael = this.addEventListener;

  this.addEventListener = function () {};
  on(this, type, fn);
  this.addEventListener = ael;
};

/**
 * An alias of {@link EventTarget#on}. Allows `EventTarget` to mimic
 * the standard DOM API.
 *
 * @function
 * @see {@link EventTarget#on}
 */
EventTarget.prototype.addEventListener = EventTarget.prototype.on;

/**
 * Removes an `event listener` for a specific event from an instance of `EventTarget`.
 * This makes it so that the `event listener` will no longer get called when the
 * named event happens.
 *
 * @param {string|string[]} type
 *        An event name or an array of event names.
 *
 * @param {EventTarget~EventListener} fn
 *        The function to remove.
 */
EventTarget.prototype.off = function (type, fn) {
  off(this, type, fn);
};

/**
 * An alias of {@link EventTarget#off}. Allows `EventTarget` to mimic
 * the standard DOM API.
 *
 * @function
 * @see {@link EventTarget#off}
 */
EventTarget.prototype.removeEventListener = EventTarget.prototype.off;

/**
 * This function will add an `event listener` that gets triggered only once. After the
 * first trigger it will get removed. This is like adding an `event listener`
 * with {@link EventTarget#on} that calls {@link EventTarget#off} on itself.
 *
 * @param {string|string[]} type
 *        An event name or an array of event names.
 *
 * @param {EventTarget~EventListener} fn
 *        The function to be called once for each event name.
 */
EventTarget.prototype.one = function (type, fn) {
  // Remove the addEventListener alialing Events.on
  // so we don't get into an infinite type loop
  var ael = this.addEventListener;

  this.addEventListener = function () {};
  one(this, type, fn);
  this.addEventListener = ael;
};

/**
 * This function causes an event to happen. This will then cause any `event listeners`
 * that are waiting for that event, to get called. If there are no `event listeners`
 * for an event then nothing will happen.
 *
 * If the name of the `Event` that is being triggered is in `EventTarget.allowedEvents_`.
 * Trigger will also call the `on` + `uppercaseEventName` function.
 *
 * Example:
 * 'click' is in `EventTarget.allowedEvents_`, so, trigger will attempt to call
 * `onClick` if it exists.
 *
 * @param {string|EventTarget~Event|Object} event
 *        The name of the event, an `Event`, or an object with a key of type set to
 *        an event name.
 */
EventTarget.prototype.trigger = function (event) {
  var type = event.type || event;

  if (typeof event === 'string') {
    event = { type: type };
  }
  event = fixEvent(event);

  if (this.allowedEvents_[type] && this['on' + type]) {
    this['on' + type](event);
  }

  trigger(this, event);
};

/**
 * An alias of {@link EventTarget#trigger}. Allows `EventTarget` to mimic
 * the standard DOM API.
 *
 * @function
 * @see {@link EventTarget#trigger}
 */
EventTarget.prototype.dispatchEvent = EventTarget.prototype.trigger;

/**
 * @file mixins/evented.js
 * @module evented
 */
/**
 * Returns whether or not an object has had the evented mixin applied.
 *
 * @param  {Object} object
 *         An object to test.
 *
 * @return {boolean}
 *         Whether or not the object appears to be evented.
 */
var isEvented = function isEvented(object) {
  return object instanceof EventTarget || !!object.eventBusEl_ && ['on', 'one', 'off', 'trigger'].every(function (k) {
    return typeof object[k] === 'function';
  });
};

/**
 * Whether a value is a valid event type - non-empty string or array.
 *
 * @private
 * @param  {string|Array} type
 *         The type value to test.
 *
 * @return {boolean}
 *         Whether or not the type is a valid event type.
 */
var isValidEventType = function isValidEventType(type) {
  return (
    // The regex here verifies that the `type` contains at least one non-
    // whitespace character.
    typeof type === 'string' && /\S/.test(type) || Array.isArray(type) && !!type.length
  );
};

/**
 * Validates a value to determine if it is a valid event target. Throws if not.
 *
 * @private
 * @throws {Error}
 *         If the target does not appear to be a valid event target.
 *
 * @param  {Object} target
 *         The object to test.
 */
var validateTarget = function validateTarget(target) {
  if (!target.nodeName && !isEvented(target)) {
    throw new Error('Invalid target; must be a DOM node or evented object.');
  }
};

/**
 * Validates a value to determine if it is a valid event target. Throws if not.
 *
 * @private
 * @throws {Error}
 *         If the type does not appear to be a valid event type.
 *
 * @param  {string|Array} type
 *         The type to test.
 */
var validateEventType = function validateEventType(type) {
  if (!isValidEventType(type)) {
    throw new Error('Invalid event type; must be a non-empty string or array.');
  }
};

/**
 * Validates a value to determine if it is a valid listener. Throws if not.
 *
 * @private
 * @throws {Error}
 *         If the listener is not a function.
 *
 * @param  {Function} listener
 *         The listener to test.
 */
var validateListener = function validateListener(listener) {
  if (typeof listener !== 'function') {
    throw new Error('Invalid listener; must be a function.');
  }
};

/**
 * Takes an array of arguments given to `on()` or `one()`, validates them, and
 * normalizes them into an object.
 *
 * @private
 * @param  {Object} self
 *         The evented object on which `on()` or `one()` was called. This
 *         object will be bound as the `this` value for the listener.
 *
 * @param  {Array} args
 *         An array of arguments passed to `on()` or `one()`.
 *
 * @return {Object}
 *         An object containing useful values for `on()` or `one()` calls.
 */
var normalizeListenArgs = function normalizeListenArgs(self, args) {

  // If the number of arguments is less than 3, the target is always the
  // evented object itself.
  var isTargetingSelf = args.length < 3 || args[0] === self || args[0] === self.eventBusEl_;
  var target = void 0;
  var type = void 0;
  var listener = void 0;

  if (isTargetingSelf) {
    target = self.eventBusEl_;

    // Deal with cases where we got 3 arguments, but we are still listening to
    // the evented object itself.
    if (args.length >= 3) {
      args.shift();
    }

    type = args[0];
    listener = args[1];
  } else {
    target = args[0];
    type = args[1];
    listener = args[2];
  }

  validateTarget(target);
  validateEventType(type);
  validateListener(listener);

  listener = bind(self, listener);

  return { isTargetingSelf: isTargetingSelf, target: target, type: type, listener: listener };
};

/**
 * Adds the listener to the event type(s) on the target, normalizing for
 * the type of target.
 *
 * @private
 * @param  {Element|Object} target
 *         A DOM node or evented object.
 *
 * @param  {string} method
 *         The event binding method to use ("on" or "one").
 *
 * @param  {string|Array} type
 *         One or more event type(s).
 *
 * @param  {Function} listener
 *         A listener function.
 */
var listen = function listen(target, method, type, listener) {
  validateTarget(target);

  if (target.nodeName) {
    Events[method](target, type, listener);
  } else {
    target[method](type, listener);
  }
};

/**
 * Contains methods that provide event capabilites to an object which is passed
 * to {@link module:evented|evented}.
 *
 * @mixin EventedMixin
 */
var EventedMixin = {

  /**
   * Add a listener to an event (or events) on this object or another evented
   * object.
   *
   * @param  {string|Array|Element|Object} targetOrType
   *         If this is a string or array, it represents the event type(s)
   *         that will trigger the listener.
   *
   *         Another evented object can be passed here instead, which will
   *         cause the listener to listen for events on _that_ object.
   *
   *         In either case, the listener's `this` value will be bound to
   *         this object.
   *
   * @param  {string|Array|Function} typeOrListener
   *         If the first argument was a string or array, this should be the
   *         listener function. Otherwise, this is a string or array of event
   *         type(s).
   *
   * @param  {Function} [listener]
   *         If the first argument was another evented object, this will be
   *         the listener function.
   */
  on: function on$$1() {
    var _this = this;

    for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
      args[_key] = arguments[_key];
    }

    var _normalizeListenArgs = normalizeListenArgs(this, args),
        isTargetingSelf = _normalizeListenArgs.isTargetingSelf,
        target = _normalizeListenArgs.target,
        type = _normalizeListenArgs.type,
        listener = _normalizeListenArgs.listener;

    listen(target, 'on', type, listener);

    // If this object is listening to another evented object.
    if (!isTargetingSelf) {

      // If this object is disposed, remove the listener.
      var removeListenerOnDispose = function removeListenerOnDispose() {
        return _this.off(target, type, listener);
      };

      // Use the same function ID as the listener so we can remove it later it
      // using the ID of the original listener.
      removeListenerOnDispose.guid = listener.guid;

      // Add a listener to the target's dispose event as well. This ensures
      // that if the target is disposed BEFORE this object, we remove the
      // removal listener that was just added. Otherwise, we create a memory leak.
      var removeRemoverOnTargetDispose = function removeRemoverOnTargetDispose() {
        return _this.off('dispose', removeListenerOnDispose);
      };

      // Use the same function ID as the listener so we can remove it later
      // it using the ID of the original listener.
      removeRemoverOnTargetDispose.guid = listener.guid;

      listen(this, 'on', 'dispose', removeListenerOnDispose);
      listen(target, 'on', 'dispose', removeRemoverOnTargetDispose);
    }
  },


  /**
   * Add a listener to an event (or events) on this object or another evented
   * object. The listener will only be called once and then removed.
   *
   * @param  {string|Array|Element|Object} targetOrType
   *         If this is a string or array, it represents the event type(s)
   *         that will trigger the listener.
   *
   *         Another evented object can be passed here instead, which will
   *         cause the listener to listen for events on _that_ object.
   *
   *         In either case, the listener's `this` value will be bound to
   *         this object.
   *
   * @param  {string|Array|Function} typeOrListener
   *         If the first argument was a string or array, this should be the
   *         listener function. Otherwise, this is a string or array of event
   *         type(s).
   *
   * @param  {Function} [listener]
   *         If the first argument was another evented object, this will be
   *         the listener function.
   */
  one: function one$$1() {
    var _this2 = this;

    for (var _len2 = arguments.length, args = Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
      args[_key2] = arguments[_key2];
    }

    var _normalizeListenArgs2 = normalizeListenArgs(this, args),
        isTargetingSelf = _normalizeListenArgs2.isTargetingSelf,
        target = _normalizeListenArgs2.target,
        type = _normalizeListenArgs2.type,
        listener = _normalizeListenArgs2.listener;

    // Targeting this evented object.


    if (isTargetingSelf) {
      listen(target, 'one', type, listener);

      // Targeting another evented object.
    } else {
      var wrapper = function wrapper() {
        for (var _len3 = arguments.length, largs = Array(_len3), _key3 = 0; _key3 < _len3; _key3++) {
          largs[_key3] = arguments[_key3];
        }

        _this2.off(target, type, wrapper);
        listener.apply(null, largs);
      };

      // Use the same function ID as the listener so we can remove it later
      // it using the ID of the original listener.
      wrapper.guid = listener.guid;
      listen(target, 'one', type, wrapper);
    }
  },


  /**
   * Removes listener(s) from event(s) on an evented object.
   *
   * @param  {string|Array|Element|Object} [targetOrType]
   *         If this is a string or array, it represents the event type(s).
   *
   *         Another evented object can be passed here instead, in which case
   *         ALL 3 arguments are _required_.
   *
   * @param  {string|Array|Function} [typeOrListener]
   *         If the first argument was a string or array, this may be the
   *         listener function. Otherwise, this is a string or array of event
   *         type(s).
   *
   * @param  {Function} [listener]
   *         If the first argument was another evented object, this will be
   *         the listener function; otherwise, _all_ listeners bound to the
   *         event type(s) will be removed.
   */
  off: function off$$1(targetOrType, typeOrListener, listener) {

    // Targeting this evented object.
    if (!targetOrType || isValidEventType(targetOrType)) {
      off(this.eventBusEl_, targetOrType, typeOrListener);

      // Targeting another evented object.
    } else {
      var target = targetOrType;
      var type = typeOrListener;

      // Fail fast and in a meaningful way!
      validateTarget(target);
      validateEventType(type);
      validateListener(listener);

      // Ensure there's at least a guid, even if the function hasn't been used
      listener = bind(this, listener);

      // Remove the dispose listener on this evented object, which was given
      // the same guid as the event listener in on().
      this.off('dispose', listener);

      if (target.nodeName) {
        off(target, type, listener);
        off(target, 'dispose', listener);
      } else if (isEvented(target)) {
        target.off(type, listener);
        target.off('dispose', listener);
      }
    }
  },


  /**
   * Fire an event on this evented object, causing its listeners to be called.
   *
   * @param   {string|Object} event
   *          An event type or an object with a type property.
   *
   * @param   {Object} [hash]
   *          An additional object to pass along to listeners.
   *
   * @returns {boolean}
   *          Whether or not the default behavior was prevented.
   */
  trigger: function trigger$$1(event, hash) {
    return trigger(this.eventBusEl_, event, hash);
  }
};

/**
 * Applies {@link module:evented~EventedMixin|EventedMixin} to a target object.
 *
 * @param  {Object} target
 *         The object to which to add event methods.
 *
 * @param  {Object} [options={}]
 *         Options for customizing the mixin behavior.
 *
 * @param  {String} [options.eventBusKey]
 *         By default, adds a `eventBusEl_` DOM element to the target object,
 *         which is used as an event bus. If the target object already has a
 *         DOM element that should be used, pass its key here.
 *
 * @return {Object}
 *         The target object.
 */
function evented(target) {
  var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
  var eventBusKey = options.eventBusKey;

  // Set or create the eventBusEl_.

  if (eventBusKey) {
    if (!target[eventBusKey].nodeName) {
      throw new Error('The eventBusKey "' + eventBusKey + '" does not refer to an element.');
    }
    target.eventBusEl_ = target[eventBusKey];
  } else {
    target.eventBusEl_ = createEl('span', { className: 'vjs-event-bus' });
  }

  assign(target, EventedMixin);

  // When any evented object is disposed, it removes all its listeners.
  target.on('dispose', function () {
    target.off();
    window.setTimeout(function () {
      target.eventBusEl_ = null;
    }, 0);
  });

  return target;
}

/**
 * @file mixins/stateful.js
 * @module stateful
 */
/**
 * Contains methods that provide statefulness to an object which is passed
 * to {@link module:stateful}.
 *
 * @mixin StatefulMixin
 */
var StatefulMixin = {

  /**
   * A hash containing arbitrary keys and values representing the state of
   * the object.
   *
   * @type {Object}
   */
  state: {},

  /**
   * Set the state of an object by mutating its
   * {@link module:stateful~StatefulMixin.state|state} object in place.
   *
   * @fires   module:stateful~StatefulMixin#statechanged
   * @param   {Object|Function} stateUpdates
   *          A new set of properties to shallow-merge into the plugin state.
   *          Can be a plain object or a function returning a plain object.
   *
   * @returns {Object|undefined}
   *          An object containing changes that occurred. If no changes
   *          occurred, returns `undefined`.
   */
  setState: function setState(stateUpdates) {
    var _this = this;

    // Support providing the `stateUpdates` state as a function.
    if (typeof stateUpdates === 'function') {
      stateUpdates = stateUpdates();
    }

    var changes = void 0;

    each(stateUpdates, function (value, key) {

      // Record the change if the value is different from what's in the
      // current state.
      if (_this.state[key] !== value) {
        changes = changes || {};
        changes[key] = {
          from: _this.state[key],
          to: value
        };
      }

      _this.state[key] = value;
    });

    // Only trigger "statechange" if there were changes AND we have a trigger
    // function. This allows us to not require that the target object be an
    // evented object.
    if (changes && isEvented(this)) {

      /**
       * An event triggered on an object that is both
       * {@link module:stateful|stateful} and {@link module:evented|evented}
       * indicating that its state has changed.
       *
       * @event    module:stateful~StatefulMixin#statechanged
       * @type     {Object}
       * @property {Object} changes
       *           A hash containing the properties that were changed and
       *           the values they were changed `from` and `to`.
       */
      this.trigger({
        changes: changes,
        type: 'statechanged'
      });
    }

    return changes;
  }
};

/**
 * Applies {@link module:stateful~StatefulMixin|StatefulMixin} to a target
 * object.
 *
 * If the target object is {@link module:evented|evented} and has a
 * `handleStateChanged` method, that method will be automatically bound to the
 * `statechanged` event on itself.
 *
 * @param   {Object} target
 *          The object to be made stateful.
 *
 * @param   {Object} [defaultState]
 *          A default set of properties to populate the newly-stateful object's
 *          `state` property.
 *
 * @returns {Object}
 *          Returns the `target`.
 */
function stateful(target, defaultState) {
  assign(target, StatefulMixin);

  // This happens after the mixing-in because we need to replace the `state`
  // added in that step.
  target.state = assign({}, target.state, defaultState);

  // Auto-bind the `handleStateChanged` method of the target object if it exists.
  if (typeof target.handleStateChanged === 'function' && isEvented(target)) {
    target.on('statechanged', target.handleStateChanged);
  }

  return target;
}

/**
 * @file to-title-case.js
 * @module to-title-case
 */

/**
 * Uppercase the first letter of a string.
 *
 * @param {string} string
 *        String to be uppercased
 *
 * @return {string}
 *         The string with an uppercased first letter
 */
function toTitleCase(string) {
  if (typeof string !== 'string') {
    return string;
  }

  return string.charAt(0).toUpperCase() + string.slice(1);
}

/**
 * Compares the TitleCase versions of the two strings for equality.
 *
 * @param {string} str1
 *        The first string to compare
 *
 * @param {string} str2
 *        The second string to compare
 *
 * @return {boolean}
 *         Whether the TitleCase versions of the strings are equal
 */
function titleCaseEquals(str1, str2) {
  return toTitleCase(str1) === toTitleCase(str2);
}

/**
 * @file merge-options.js
 * @module merge-options
 */
/**
 * Deep-merge one or more options objects, recursively merging **only** plain
 * object properties.
 *
 * @param   {Object[]} sources
 *          One or more objects to merge into a new object.
 *
 * @returns {Object}
 *          A new object that is the merged result of all sources.
 */
function mergeOptions() {
  var result = {};

  for (var _len = arguments.length, sources = Array(_len), _key = 0; _key < _len; _key++) {
    sources[_key] = arguments[_key];
  }

  sources.forEach(function (source) {
    if (!source) {
      return;
    }

    each(source, function (value, key) {
      if (!isPlain(value)) {
        result[key] = value;
        return;
      }

      if (!isPlain(result[key])) {
        result[key] = {};
      }

      result[key] = mergeOptions(result[key], value);
    });
  });

  return result;
}

/**
 * Player Component - Base class for all UI objects
 *
 * @file component.js
 */
/**
 * Base class for all UI Components.
 * Components are UI objects which represent both a javascript object and an element
 * in the DOM. They can be children of other components, and can have
 * children themselves.
 *
 * Components can also use methods from {@link EventTarget}
 */

var Component = function () {

  /**
   * A callback that is called when a component is ready. Does not have any
   * paramters and any callback value will be ignored.
   *
   * @callback Component~ReadyCallback
   * @this Component
   */

  /**
   * Creates an instance of this class.
   *
   * @param {Player} player
   *        The `Player` that this class should be attached to.
   *
   * @param {Object} [options]
   *        The key/value store of player options.
   *
   * @param {Object[]} [options.children]
   *        An array of children objects to intialize this component with. Children objects have
   *        a name property that will be used if more than one component of the same type needs to be
   *        added.
   *
   * @param {Component~ReadyCallback} [ready]
   *        Function that gets called when the `Component` is ready.
   */
  function Component(player, options, ready) {
    classCallCheck(this, Component);


    // The component might be the player itself and we can't pass `this` to super
    if (!player && this.play) {
      this.player_ = player = this; // eslint-disable-line
    } else {
      this.player_ = player;
    }

    // Make a copy of prototype.options_ to protect against overriding defaults
    this.options_ = mergeOptions({}, this.options_);

    // Updated options with supplied options
    options = this.options_ = mergeOptions(this.options_, options);

    // Get ID from options or options element if one is supplied
    this.id_ = options.id || options.el && options.el.id;

    // If there was no ID from the options, generate one
    if (!this.id_) {
      // Don't require the player ID function in the case of mock players
      var id = player && player.id && player.id() || 'no_player';

      this.id_ = id + '_component_' + newGUID();
    }

    this.name_ = options.name || null;

    // Create element if one wasn't provided in options
    if (options.el) {
      this.el_ = options.el;
    } else if (options.createEl !== false) {
      this.el_ = this.createEl();
    }

    // if evented is anything except false, we want to mixin in evented
    if (options.evented !== false) {
      // Make this an evented object and use `el_`, if available, as its event bus
      evented(this, { eventBusKey: this.el_ ? 'el_' : null });
    }
    stateful(this, this.constructor.defaultState);

    this.children_ = [];
    this.childIndex_ = {};
    this.childNameIndex_ = {};

    // Add any child components in options
    if (options.initChildren !== false) {
      this.initChildren();
    }

    this.ready(ready);
    // Don't want to trigger ready here or it will before init is actually
    // finished for all children that run this constructor

    if (options.reportTouchActivity !== false) {
      this.enableTouchActivity();
    }
  }

  /**
   * Dispose of the `Component` and all child components.
   *
   * @fires Component#dispose
   */


  Component.prototype.dispose = function dispose() {

    /**
     * Triggered when a `Component` is disposed.
     *
     * @event Component#dispose
     * @type {EventTarget~Event}
     *
     * @property {boolean} [bubbles=false]
     *           set to false so that the close event does not
     *           bubble up
     */
    this.trigger({ type: 'dispose', bubbles: false });

    // Dispose all children.
    if (this.children_) {
      for (var i = this.children_.length - 1; i >= 0; i--) {
        if (this.children_[i].dispose) {
          this.children_[i].dispose();
        }
      }
    }

    // Delete child references
    this.children_ = null;
    this.childIndex_ = null;
    this.childNameIndex_ = null;

    if (this.el_) {
      // Remove element from DOM
      if (this.el_.parentNode) {
        this.el_.parentNode.removeChild(this.el_);
      }

      removeData(this.el_);
      this.el_ = null;
    }

    // remove reference to the player after disposing of the element
    this.player_ = null;
  };

  /**
   * Return the {@link Player} that the `Component` has attached to.
   *
   * @return {Player}
   *         The player that this `Component` has attached to.
   */


  Component.prototype.player = function player() {
    return this.player_;
  };

  /**
   * Deep merge of options objects with new options.
   * > Note: When both `obj` and `options` contain properties whose values are objects.
   *         The two properties get merged using {@link module:mergeOptions}
   *
   * @param {Object} obj
   *        The object that contains new options.
   *
   * @return {Object}
   *         A new object of `this.options_` and `obj` merged together.
   *
   * @deprecated since version 5
   */


  Component.prototype.options = function options(obj) {
    log.warn('this.options() has been deprecated and will be moved to the constructor in 6.0');

    if (!obj) {
      return this.options_;
    }

    this.options_ = mergeOptions(this.options_, obj);
    return this.options_;
  };

  /**
   * Get the `Component`s DOM element
   *
   * @return {Element}
   *         The DOM element for this `Component`.
   */


  Component.prototype.el = function el() {
    return this.el_;
  };

  /**
   * Create the `Component`s DOM element.
   *
   * @param {string} [tagName]
   *        Element's DOM node type. e.g. 'div'
   *
   * @param {Object} [properties]
   *        An object of properties that should be set.
   *
   * @param {Object} [attributes]
   *        An object of attributes that should be set.
   *
   * @return {Element}
   *         The element that gets created.
   */


  Component.prototype.createEl = function createEl$$1(tagName, properties, attributes) {
    return createEl(tagName, properties, attributes);
  };

  /**
   * Localize a string given the string in english.
   *
   * If tokens are provided, it'll try and run a simple token replacement on the provided string.
   * The tokens it looks for look like `{1}` with the index being 1-indexed into the tokens array.
   *
   * If a `defaultValue` is provided, it'll use that over `string`,
   * if a value isn't found in provided language files.
   * This is useful if you want to have a descriptive key for token replacement
   * but have a succinct localized string and not require `en.json` to be included.
   *
   * Currently, it is used for the progress bar timing.
   * ```js
   * {
   *   "progress bar timing: currentTime={1} duration={2}": "{1} of {2}"
   * }
   * ```
   * It is then used like so:
   * ```js
   * this.localize('progress bar timing: currentTime={1} duration{2}',
   *               [this.player_.currentTime(), this.player_.duration()],
   *               '{1} of {2}');
   * ```
   *
   * Which outputs something like: `01:23 of 24:56`.
   *
   *
   * @param {string} string
   *        The string to localize and the key to lookup in the language files.
   * @param {string[]} [tokens]
   *        If the current item has token replacements, provide the tokens here.
   * @param {string} [defaultValue]
   *        Defaults to `string`. Can be a default value to use for token replacement
   *        if the lookup key is needed to be separate.
   *
   * @return {string}
   *         The localized string or if no localization exists the english string.
   */


  Component.prototype.localize = function localize(string, tokens) {
    var defaultValue = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : string;

    var code = this.player_.language && this.player_.language();
    var languages = this.player_.languages && this.player_.languages();
    var language = languages && languages[code];
    var primaryCode = code && code.split('-')[0];
    var primaryLang = languages && languages[primaryCode];

    var localizedString = defaultValue;

    if (language && language[string]) {
      localizedString = language[string];
    } else if (primaryLang && primaryLang[string]) {
      localizedString = primaryLang[string];
    }

    if (tokens) {
      localizedString = localizedString.replace(/\{(\d+)\}/g, function (match, index) {
        var value = tokens[index - 1];
        var ret = value;

        if (typeof value === 'undefined') {
          ret = match;
        }

        return ret;
      });
    }

    return localizedString;
  };

  /**
   * Return the `Component`s DOM element. This is where children get inserted.
   * This will usually be the the same as the element returned in {@link Component#el}.
   *
   * @return {Element}
   *         The content element for this `Component`.
   */


  Component.prototype.contentEl = function contentEl() {
    return this.contentEl_ || this.el_;
  };

  /**
   * Get this `Component`s ID
   *
   * @return {string}
   *         The id of this `Component`
   */


  Component.prototype.id = function id() {
    return this.id_;
  };

  /**
   * Get the `Component`s name. The name gets used to reference the `Component`
   * and is set during registration.
   *
   * @return {string}
   *         The name of this `Component`.
   */


  Component.prototype.name = function name() {
    return this.name_;
  };

  /**
   * Get an array of all child components
   *
   * @return {Array}
   *         The children
   */


  Component.prototype.children = function children() {
    return this.children_;
  };

  /**
   * Returns the child `Component` with the given `id`.
   *
   * @param {string} id
   *        The id of the child `Component` to get.
   *
   * @return {Component|undefined}
   *         The child `Component` with the given `id` or undefined.
   */


  Component.prototype.getChildById = function getChildById(id) {
    return this.childIndex_[id];
  };

  /**
   * Returns the child `Component` with the given `name`.
   *
   * @param {string} name
   *        The name of the child `Component` to get.
   *
   * @return {Component|undefined}
   *         The child `Component` with the given `name` or undefined.
   */


  Component.prototype.getChild = function getChild(name) {
    if (!name) {
      return;
    }

    name = toTitleCase(name);

    return this.childNameIndex_[name];
  };

  /**
   * Add a child `Component` inside the current `Component`.
   *
   *
   * @param {string|Component} child
   *        The name or instance of a child to add.
   *
   * @param {Object} [options={}]
   *        The key/value store of options that will get passed to children of
   *        the child.
   *
   * @param {number} [index=this.children_.length]
   *        The index to attempt to add a child into.
   *
   * @return {Component}
   *         The `Component` that gets added as a child. When using a string the
   *         `Component` will get created by this process.
   */


  Component.prototype.addChild = function addChild(child) {
    var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
    var index = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : this.children_.length;

    var component = void 0;
    var componentName = void 0;

    // If child is a string, create component with options
    if (typeof child === 'string') {
      componentName = toTitleCase(child);

      var componentClassName = options.componentClass || componentName;

      // Set name through options
      options.name = componentName;

      // Create a new object & element for this controls set
      // If there's no .player_, this is a player
      var ComponentClass = Component.getComponent(componentClassName);

      if (!ComponentClass) {
        throw new Error('Component ' + componentClassName + ' does not exist');
      }

      // data stored directly on the videojs object may be
      // misidentified as a component to retain
      // backwards-compatibility with 4.x. check to make sure the
      // component class can be instantiated.
      if (typeof ComponentClass !== 'function') {
        return null;
      }

      component = new ComponentClass(this.player_ || this, options);

      // child is a component instance
    } else {
      component = child;
    }

    this.children_.splice(index, 0, component);

    if (typeof component.id === 'function') {
      this.childIndex_[component.id()] = component;
    }

    // If a name wasn't used to create the component, check if we can use the
    // name function of the component
    componentName = componentName || component.name && toTitleCase(component.name());

    if (componentName) {
      this.childNameIndex_[componentName] = component;
    }

    // Add the UI object's element to the container div (box)
    // Having an element is not required
    if (typeof component.el === 'function' && component.el()) {
      var childNodes = this.contentEl().children;
      var refNode = childNodes[index] || null;

      this.contentEl().insertBefore(component.el(), refNode);
    }

    // Return so it can stored on parent object if desired.
    return component;
  };

  /**
   * Remove a child `Component` from this `Component`s list of children. Also removes
   * the child `Component`s element from this `Component`s element.
   *
   * @param {Component} component
   *        The child `Component` to remove.
   */


  Component.prototype.removeChild = function removeChild(component) {
    if (typeof component === 'string') {
      component = this.getChild(component);
    }

    if (!component || !this.children_) {
      return;
    }

    var childFound = false;

    for (var i = this.children_.length - 1; i >= 0; i--) {
      if (this.children_[i] === component) {
        childFound = true;
        this.children_.splice(i, 1);
        break;
      }
    }

    if (!childFound) {
      return;
    }

    this.childIndex_[component.id()] = null;
    this.childNameIndex_[component.name()] = null;

    var compEl = component.el();

    if (compEl && compEl.parentNode === this.contentEl()) {
      this.contentEl().removeChild(component.el());
    }
  };

  /**
   * Add and initialize default child `Component`s based upon options.
   */


  Component.prototype.initChildren = function initChildren() {
    var _this = this;

    var children = this.options_.children;

    if (children) {
      // `this` is `parent`
      var parentOptions = this.options_;

      var handleAdd = function handleAdd(child) {
        var name = child.name;
        var opts = child.opts;

        // Allow options for children to be set at the parent options
        // e.g. videojs(id, { controlBar: false });
        // instead of videojs(id, { children: { controlBar: false });
        if (parentOptions[name] !== undefined) {
          opts = parentOptions[name];
        }

        // Allow for disabling default components
        // e.g. options['children']['posterImage'] = false
        if (opts === false) {
          return;
        }

        // Allow options to be passed as a simple boolean if no configuration
        // is necessary.
        if (opts === true) {
          opts = {};
        }

        // We also want to pass the original player options
        // to each component as well so they don't need to
        // reach back into the player for options later.
        opts.playerOptions = _this.options_.playerOptions;

        // Create and add the child component.
        // Add a direct reference to the child by name on the parent instance.
        // If two of the same component are used, different names should be supplied
        // for each
        var newChild = _this.addChild(name, opts);

        if (newChild) {
          _this[name] = newChild;
        }
      };

      // Allow for an array of children details to passed in the options
      var workingChildren = void 0;
      var Tech = Component.getComponent('Tech');

      if (Array.isArray(children)) {
        workingChildren = children;
      } else {
        workingChildren = Object.keys(children);
      }

      workingChildren
      // children that are in this.options_ but also in workingChildren  would
      // give us extra children we do not want. So, we want to filter them out.
      .concat(Object.keys(this.options_).filter(function (child) {
        return !workingChildren.some(function (wchild) {
          if (typeof wchild === 'string') {
            return child === wchild;
          }
          return child === wchild.name;
        });
      })).map(function (child) {
        var name = void 0;
        var opts = void 0;

        if (typeof child === 'string') {
          name = child;
          opts = children[name] || _this.options_[name] || {};
        } else {
          name = child.name;
          opts = child;
        }

        return { name: name, opts: opts };
      }).filter(function (child) {
        // we have to make sure that child.name isn't in the techOrder since
        // techs are registerd as Components but can't aren't compatible
        // See https://github.com/videojs/video.js/issues/2772
        var c = Component.getComponent(child.opts.componentClass || toTitleCase(child.name));

        return c && !Tech.isTech(c);
      }).forEach(handleAdd);
    }
  };

  /**
   * Builds the default DOM class name. Should be overriden by sub-components.
   *
   * @return {string}
   *         The DOM class name for this object.
   *
   * @abstract
   */


  Component.prototype.buildCSSClass = function buildCSSClass() {
    // Child classes can include a function that does:
    // return 'CLASS NAME' + this._super();
    return '';
  };

  /**
   * Bind a listener to the component's ready state.
   * Different from event listeners in that if the ready event has already happened
   * it will trigger the function immediately.
   *
   * @return {Component}
   *         Returns itself; method can be chained.
   */


  Component.prototype.ready = function ready(fn) {
    var sync = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;

    if (!fn) {
      return;
    }

    if (!this.isReady_) {
      this.readyQueue_ = this.readyQueue_ || [];
      this.readyQueue_.push(fn);
      return;
    }

    if (sync) {
      fn.call(this);
    } else {
      // Call the function asynchronously by default for consistency
      this.setTimeout(fn, 1);
    }
  };

  /**
   * Trigger all the ready listeners for this `Component`.
   *
   * @fires Component#ready
   */


  Component.prototype.triggerReady = function triggerReady() {
    this.isReady_ = true;

    // Ensure ready is triggered asynchronously
    this.setTimeout(function () {
      var readyQueue = this.readyQueue_;

      // Reset Ready Queue
      this.readyQueue_ = [];

      if (readyQueue && readyQueue.length > 0) {
        readyQueue.forEach(function (fn) {
          fn.call(this);
        }, this);
      }

      // Allow for using event listeners also
      /**
       * Triggered when a `Component` is ready.
       *
       * @event Component#ready
       * @type {EventTarget~Event}
       */
      this.trigger('ready');
    }, 1);
  };

  /**
   * Find a single DOM element matching a `selector`. This can be within the `Component`s
   * `contentEl()` or another custom context.
   *
   * @param {string} selector
   *        A valid CSS selector, which will be passed to `querySelector`.
   *
   * @param {Element|string} [context=this.contentEl()]
   *        A DOM element within which to query. Can also be a selector string in
   *        which case the first matching element will get used as context. If
   *        missing `this.contentEl()` gets used. If  `this.contentEl()` returns
   *        nothing it falls back to `document`.
   *
   * @return {Element|null}
   *         the dom element that was found, or null
   *
   * @see [Information on CSS Selectors](https://developer.mozilla.org/en-US/docs/Web/Guide/CSS/Getting_Started/Selectors)
   */


  Component.prototype.$ = function $$$1(selector, context) {
    return $(selector, context || this.contentEl());
  };

  /**
   * Finds all DOM element matching a `selector`. This can be within the `Component`s
   * `contentEl()` or another custom context.
   *
   * @param {string} selector
   *        A valid CSS selector, which will be passed to `querySelectorAll`.
   *
   * @param {Element|string} [context=this.contentEl()]
   *        A DOM element within which to query. Can also be a selector string in
   *        which case the first matching element will get used as context. If
   *        missing `this.contentEl()` gets used. If  `this.contentEl()` returns
   *        nothing it falls back to `document`.
   *
   * @return {NodeList}
   *         a list of dom elements that were found
   *
   * @see [Information on CSS Selectors](https://developer.mozilla.org/en-US/docs/Web/Guide/CSS/Getting_Started/Selectors)
   */


  Component.prototype.$$ = function $$$$1(selector, context) {
    return $$(selector, context || this.contentEl());
  };

  /**
   * Check if a component's element has a CSS class name.
   *
   * @param {string} classToCheck
   *        CSS class name to check.
   *
   * @return {boolean}
   *         - True if the `Component` has the class.
   *         - False if the `Component` does not have the class`
   */


  Component.prototype.hasClass = function hasClass$$1(classToCheck) {
    return hasClass(this.el_, classToCheck);
  };

  /**
   * Add a CSS class name to the `Component`s element.
   *
   * @param {string} classToAdd
   *        CSS class name to add
   */


  Component.prototype.addClass = function addClass$$1(classToAdd) {
    addClass(this.el_, classToAdd);
  };

  /**
   * Remove a CSS class name from the `Component`s element.
   *
   * @param {string} classToRemove
   *        CSS class name to remove
   */


  Component.prototype.removeClass = function removeClass$$1(classToRemove) {
    removeClass(this.el_, classToRemove);
  };

  /**
   * Add or remove a CSS class name from the component's element.
   * - `classToToggle` gets added when {@link Component#hasClass} would return false.
   * - `classToToggle` gets removed when {@link Component#hasClass} would return true.
   *
   * @param  {string} classToToggle
   *         The class to add or remove based on (@link Component#hasClass}
   *
   * @param  {boolean|Dom~predicate} [predicate]
   *         An {@link Dom~predicate} function or a boolean
   */


  Component.prototype.toggleClass = function toggleClass$$1(classToToggle, predicate) {
    toggleClass(this.el_, classToToggle, predicate);
  };

  /**
   * Show the `Component`s element if it is hidden by removing the
   * 'vjs-hidden' class name from it.
   */


  Component.prototype.show = function show() {
    this.removeClass('vjs-hidden');
  };

  /**
   * Hide the `Component`s element if it is currently showing by adding the
   * 'vjs-hidden` class name to it.
   */


  Component.prototype.hide = function hide() {
    this.addClass('vjs-hidden');
  };

  /**
   * Lock a `Component`s element in its visible state by adding the 'vjs-lock-showing'
   * class name to it. Used during fadeIn/fadeOut.
   *
   * @private
   */


  Component.prototype.lockShowing = function lockShowing() {
    this.addClass('vjs-lock-showing');
  };

  /**
   * Unlock a `Component`s element from its visible state by removing the 'vjs-lock-showing'
   * class name from it. Used during fadeIn/fadeOut.
   *
   * @private
   */


  Component.prototype.unlockShowing = function unlockShowing() {
    this.removeClass('vjs-lock-showing');
  };

  /**
   * Get the value of an attribute on the `Component`s element.
   *
   * @param {string} attribute
   *        Name of the attribute to get the value from.
   *
   * @return {string|null}
   *         - The value of the attribute that was asked for.
   *         - Can be an empty string on some browsers if the attribute does not exist
   *           or has no value
   *         - Most browsers will return null if the attibute does not exist or has
   *           no value.
   *
   * @see [DOM API]{@link https://developer.mozilla.org/en-US/docs/Web/API/Element/getAttribute}
   */


  Component.prototype.getAttribute = function getAttribute$$1(attribute) {
    return getAttribute(this.el_, attribute);
  };

  /**
   * Set the value of an attribute on the `Component`'s element
   *
   * @param {string} attribute
   *        Name of the attribute to set.
   *
   * @param {string} value
   *        Value to set the attribute to.
   *
   * @see [DOM API]{@link https://developer.mozilla.org/en-US/docs/Web/API/Element/setAttribute}
   */


  Component.prototype.setAttribute = function setAttribute$$1(attribute, value) {
    setAttribute(this.el_, attribute, value);
  };

  /**
   * Remove an attribute from the `Component`s element.
   *
   * @param {string} attribute
   *        Name of the attribute to remove.
   *
   * @see [DOM API]{@link https://developer.mozilla.org/en-US/docs/Web/API/Element/removeAttribute}
   */


  Component.prototype.removeAttribute = function removeAttribute$$1(attribute) {
    removeAttribute(this.el_, attribute);
  };

  /**
   * Get or set the width of the component based upon the CSS styles.
   * See {@link Component#dimension} for more detailed information.
   *
   * @param {number|string} [num]
   *        The width that you want to set postfixed with '%', 'px' or nothing.
   *
   * @param {boolean} [skipListeners]
   *        Skip the componentresize event trigger
   *
   * @return {number|string}
   *         The width when getting, zero if there is no width. Can be a string
   *           postpixed with '%' or 'px'.
   */


  Component.prototype.width = function width(num, skipListeners) {
    return this.dimension('width', num, skipListeners);
  };

  /**
   * Get or set the height of the component based upon the CSS styles.
   * See {@link Component#dimension} for more detailed information.
   *
   * @param {number|string} [num]
   *        The height that you want to set postfixed with '%', 'px' or nothing.
   *
   * @param {boolean} [skipListeners]
   *        Skip the componentresize event trigger
   *
   * @return {number|string}
   *         The width when getting, zero if there is no width. Can be a string
   *         postpixed with '%' or 'px'.
   */


  Component.prototype.height = function height(num, skipListeners) {
    return this.dimension('height', num, skipListeners);
  };

  /**
   * Set both the width and height of the `Component` element at the same time.
   *
   * @param  {number|string} width
   *         Width to set the `Component`s element to.
   *
   * @param  {number|string} height
   *         Height to set the `Component`s element to.
   */


  Component.prototype.dimensions = function dimensions(width, height) {
    // Skip componentresize listeners on width for optimization
    this.width(width, true);
    this.height(height);
  };

  /**
   * Get or set width or height of the `Component` element. This is the shared code
   * for the {@link Component#width} and {@link Component#height}.
   *
   * Things to know:
   * - If the width or height in an number this will return the number postfixed with 'px'.
   * - If the width/height is a percent this will return the percent postfixed with '%'
   * - Hidden elements have a width of 0 with `window.getComputedStyle`. This function
   *   defaults to the `Component`s `style.width` and falls back to `window.getComputedStyle`.
   *   See [this]{@link http://www.foliotek.com/devblog/getting-the-width-of-a-hidden-element-with-jquery-using-width/}
   *   for more information
   * - If you want the computed style of the component, use {@link Component#currentWidth}
   *   and {@link {Component#currentHeight}
   *
   * @fires Component#componentresize
   *
   * @param {string} widthOrHeight
   8        'width' or 'height'
   *
   * @param  {number|string} [num]
   8         New dimension
   *
   * @param  {boolean} [skipListeners]
   *         Skip componentresize event trigger
   *
   * @return {number}
   *         The dimension when getting or 0 if unset
   */


  Component.prototype.dimension = function dimension(widthOrHeight, num, skipListeners) {
    if (num !== undefined) {
      // Set to zero if null or literally NaN (NaN !== NaN)
      if (num === null || num !== num) {
        num = 0;
      }

      // Check if using css width/height (% or px) and adjust
      if (('' + num).indexOf('%') !== -1 || ('' + num).indexOf('px') !== -1) {
        this.el_.style[widthOrHeight] = num;
      } else if (num === 'auto') {
        this.el_.style[widthOrHeight] = '';
      } else {
        this.el_.style[widthOrHeight] = num + 'px';
      }

      // skipListeners allows us to avoid triggering the resize event when setting both width and height
      if (!skipListeners) {
        /**
         * Triggered when a component is resized.
         *
         * @event Component#componentresize
         * @type {EventTarget~Event}
         */
        this.trigger('componentresize');
      }

      return;
    }

    // Not setting a value, so getting it
    // Make sure element exists
    if (!this.el_) {
      return 0;
    }

    // Get dimension value from style
    var val = this.el_.style[widthOrHeight];
    var pxIndex = val.indexOf('px');

    if (pxIndex !== -1) {
      // Return the pixel value with no 'px'
      return parseInt(val.slice(0, pxIndex), 10);
    }

    // No px so using % or no style was set, so falling back to offsetWidth/height
    // If component has display:none, offset will return 0
    // TODO: handle display:none and no dimension style using px
    return parseInt(this.el_['offset' + toTitleCase(widthOrHeight)], 10);
  };

  /**
   * Get the computed width or the height of the component's element.
   *
   * Uses `window.getComputedStyle`.
   *
   * @param {string} widthOrHeight
   *        A string containing 'width' or 'height'. Whichever one you want to get.
   *
   * @return {number}
   *         The dimension that gets asked for or 0 if nothing was set
   *         for that dimension.
   */


  Component.prototype.currentDimension = function currentDimension(widthOrHeight) {
    var computedWidthOrHeight = 0;

    if (widthOrHeight !== 'width' && widthOrHeight !== 'height') {
      throw new Error('currentDimension only accepts width or height value');
    }

    if (typeof window.getComputedStyle === 'function') {
      var computedStyle = window.getComputedStyle(this.el_);

      computedWidthOrHeight = computedStyle.getPropertyValue(widthOrHeight) || computedStyle[widthOrHeight];
    }

    // remove 'px' from variable and parse as integer
    computedWidthOrHeight = parseFloat(computedWidthOrHeight);

    // if the computed value is still 0, it's possible that the browser is lying
    // and we want to check the offset values.
    // This code also runs on IE8 and wherever getComputedStyle doesn't exist.
    if (computedWidthOrHeight === 0) {
      var rule = 'offset' + toTitleCase(widthOrHeight);

      computedWidthOrHeight = this.el_[rule];
    }

    return computedWidthOrHeight;
  };

  /**
   * An object that contains width and height values of the `Component`s
   * computed style. Uses `window.getComputedStyle`.
   *
   * @typedef {Object} Component~DimensionObject
   *
   * @property {number} width
   *           The width of the `Component`s computed style.
   *
   * @property {number} height
   *           The height of the `Component`s computed style.
   */

  /**
   * Get an object that contains computed width and height values of the
   * component's element.
   *
   * Uses `window.getComputedStyle`.
   *
   * @return {Component~DimensionObject}
   *         The computed dimensions of the component's element.
   */


  Component.prototype.currentDimensions = function currentDimensions() {
    return {
      width: this.currentDimension('width'),
      height: this.currentDimension('height')
    };
  };

  /**
   * Get the computed width of the component's element.
   *
   * Uses `window.getComputedStyle`.
   *
   * @return {number}
   *         The computed width of the component's element.
   */


  Component.prototype.currentWidth = function currentWidth() {
    return this.currentDimension('width');
  };

  /**
   * Get the computed height of the component's element.
   *
   * Uses `window.getComputedStyle`.
   *
   * @return {number}
   *         The computed height of the component's element.
   */


  Component.prototype.currentHeight = function currentHeight() {
    return this.currentDimension('height');
  };

  /**
   * Set the focus to this component
   */


  Component.prototype.focus = function focus() {
    this.el_.focus();
  };

  /**
   * Remove the focus from this component
   */


  Component.prototype.blur = function blur() {
    this.el_.blur();
  };

  /**
   * Emit a 'tap' events when touch event support gets detected. This gets used to
   * support toggling the controls through a tap on the video. They get enabled
   * because every sub-component would have extra overhead otherwise.
   *
   * @private
   * @fires Component#tap
   * @listens Component#touchstart
   * @listens Component#touchmove
   * @listens Component#touchleave
   * @listens Component#touchcancel
   * @listens Component#touchend
    */


  Component.prototype.emitTapEvents = function emitTapEvents() {
    // Track the start time so we can determine how long the touch lasted
    var touchStart = 0;
    var firstTouch = null;

    // Maximum movement allowed during a touch event to still be considered a tap
    // Other popular libs use anywhere from 2 (hammer.js) to 15,
    // so 10 seems like a nice, round number.
    var tapMovementThreshold = 10;

    // The maximum length a touch can be while still being considered a tap
    var touchTimeThreshold = 200;

    var couldBeTap = void 0;

    this.on('touchstart', function (event) {
      // If more than one finger, don't consider treating this as a click
      if (event.touches.length === 1) {
        // Copy pageX/pageY from the object
        firstTouch = {
          pageX: event.touches[0].pageX,
          pageY: event.touches[0].pageY
        };
        // Record start time so we can detect a tap vs. "touch and hold"
        touchStart = new Date().getTime();
        // Reset couldBeTap tracking
        couldBeTap = true;
      }
    });

    this.on('touchmove', function (event) {
      // If more than one finger, don't consider treating this as a click
      if (event.touches.length > 1) {
        couldBeTap = false;
      } else if (firstTouch) {
        // Some devices will throw touchmoves for all but the slightest of taps.
        // So, if we moved only a small distance, this could still be a tap
        var xdiff = event.touches[0].pageX - firstTouch.pageX;
        var ydiff = event.touches[0].pageY - firstTouch.pageY;
        var touchDistance = Math.sqrt(xdiff * xdiff + ydiff * ydiff);

        if (touchDistance > tapMovementThreshold) {
          couldBeTap = false;
        }
      }
    });

    var noTap = function noTap() {
      couldBeTap = false;
    };

    // TODO: Listen to the original target. http://youtu.be/DujfpXOKUp8?t=13m8s
    this.on('touchleave', noTap);
    this.on('touchcancel', noTap);

    // When the touch ends, measure how long it took and trigger the appropriate
    // event
    this.on('touchend', function (event) {
      firstTouch = null;
      // Proceed only if the touchmove/leave/cancel event didn't happen
      if (couldBeTap === true) {
        // Measure how long the touch lasted
        var touchTime = new Date().getTime() - touchStart;

        // Make sure the touch was less than the threshold to be considered a tap
        if (touchTime < touchTimeThreshold) {
          // Don't let browser turn this into a click
          event.preventDefault();
          /**
           * Triggered when a `Component` is tapped.
           *
           * @event Component#tap
           * @type {EventTarget~Event}
           */
          this.trigger('tap');
          // It may be good to copy the touchend event object and change the
          // type to tap, if the other event properties aren't exact after
          // Events.fixEvent runs (e.g. event.target)
        }
      }
    });
  };

  /**
   * This function reports user activity whenever touch events happen. This can get
   * turned off by any sub-components that wants touch events to act another way.
   *
   * Report user touch activity when touch events occur. User activity gets used to
   * determine when controls should show/hide. It is simple when it comes to mouse
   * events, because any mouse event should show the controls. So we capture mouse
   * events that bubble up to the player and report activity when that happens.
   * With touch events it isn't as easy as `touchstart` and `touchend` toggle player
   * controls. So touch events can't help us at the player level either.
   *
   * User activity gets checked asynchronously. So what could happen is a tap event
   * on the video turns the controls off. Then the `touchend` event bubbles up to
   * the player. Which, if it reported user activity, would turn the controls right
   * back on. We also don't want to completely block touch events from bubbling up.
   * Furthermore a `touchmove` event and anything other than a tap, should not turn
   * controls back on.
   *
   * @listens Component#touchstart
   * @listens Component#touchmove
   * @listens Component#touchend
   * @listens Component#touchcancel
   */


  Component.prototype.enableTouchActivity = function enableTouchActivity() {
    // Don't continue if the root player doesn't support reporting user activity
    if (!this.player() || !this.player().reportUserActivity) {
      return;
    }

    // listener for reporting that the user is active
    var report = bind(this.player(), this.player().reportUserActivity);

    var touchHolding = void 0;

    this.on('touchstart', function () {
      report();
      // For as long as the they are touching the device or have their mouse down,
      // we consider them active even if they're not moving their finger or mouse.
      // So we want to continue to update that they are active
      this.clearInterval(touchHolding);
      // report at the same interval as activityCheck
      touchHolding = this.setInterval(report, 250);
    });

    var touchEnd = function touchEnd(event) {
      report();
      // stop the interval that maintains activity if the touch is holding
      this.clearInterval(touchHolding);
    };

    this.on('touchmove', report);
    this.on('touchend', touchEnd);
    this.on('touchcancel', touchEnd);
  };

  /**
   * A callback that has no parameters and is bound into `Component`s context.
   *
   * @callback Component~GenericCallback
   * @this Component
   */

  /**
   * Creates a function that runs after an `x` millisecond timeout. This function is a
   * wrapper around `window.setTimeout`. There are a few reasons to use this one
   * instead though:
   * 1. It gets cleared via  {@link Component#clearTimeout} when
   *    {@link Component#dispose} gets called.
   * 2. The function callback will gets turned into a {@link Component~GenericCallback}
   *
   * > Note: You can't use `window.clearTimeout` on the id returned by this function. This
   *         will cause its dispose listener not to get cleaned up! Please use
   *         {@link Component#clearTimeout} or {@link Component#dispose} instead.
   *
   * @param {Component~GenericCallback} fn
   *        The function that will be run after `timeout`.
   *
   * @param {number} timeout
   *        Timeout in milliseconds to delay before executing the specified function.
   *
   * @return {number}
   *         Returns a timeout ID that gets used to identify the timeout. It can also
   *         get used in {@link Component#clearTimeout} to clear the timeout that
   *         was set.
   *
   * @listens Component#dispose
   * @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/WindowTimers/setTimeout}
   */


  Component.prototype.setTimeout = function setTimeout(fn, timeout) {
    var _this2 = this;

    // declare as variables so they are properly available in timeout function
    // eslint-disable-next-line
    var timeoutId, disposeFn;

    fn = bind(this, fn);

    timeoutId = window.setTimeout(function () {
      _this2.off('dispose', disposeFn);
      fn();
    }, timeout);

    disposeFn = function disposeFn() {
      return _this2.clearTimeout(timeoutId);
    };

    disposeFn.guid = 'vjs-timeout-' + timeoutId;

    this.on('dispose', disposeFn);

    return timeoutId;
  };

  /**
   * Clears a timeout that gets created via `window.setTimeout` or
   * {@link Component#setTimeout}. If you set a timeout via {@link Component#setTimeout}
   * use this function instead of `window.clearTimout`. If you don't your dispose
   * listener will not get cleaned up until {@link Component#dispose}!
   *
   * @param {number} timeoutId
   *        The id of the timeout to clear. The return value of
   *        {@link Component#setTimeout} or `window.setTimeout`.
   *
   * @return {number}
   *         Returns the timeout id that was cleared.
   *
   * @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/WindowTimers/clearTimeout}
   */


  Component.prototype.clearTimeout = function clearTimeout(timeoutId) {
    window.clearTimeout(timeoutId);

    var disposeFn = function disposeFn() {};

    disposeFn.guid = 'vjs-timeout-' + timeoutId;

    this.off('dispose', disposeFn);

    return timeoutId;
  };

  /**
   * Creates a function that gets run every `x` milliseconds. This function is a wrapper
   * around `window.setInterval`. There are a few reasons to use this one instead though.
   * 1. It gets cleared via  {@link Component#clearInterval} when
   *    {@link Component#dispose} gets called.
   * 2. The function callback will be a {@link Component~GenericCallback}
   *
   * @param {Component~GenericCallback} fn
   *        The function to run every `x` seconds.
   *
   * @param {number} interval
   *        Execute the specified function every `x` milliseconds.
   *
   * @return {number}
   *         Returns an id that can be used to identify the interval. It can also be be used in
   *         {@link Component#clearInterval} to clear the interval.
   *
   * @listens Component#dispose
   * @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/WindowTimers/setInterval}
   */


  Component.prototype.setInterval = function setInterval(fn, interval) {
    var _this3 = this;

    fn = bind(this, fn);

    var intervalId = window.setInterval(fn, interval);

    var disposeFn = function disposeFn() {
      return _this3.clearInterval(intervalId);
    };

    disposeFn.guid = 'vjs-interval-' + intervalId;

    this.on('dispose', disposeFn);

    return intervalId;
  };

  /**
   * Clears an interval that gets created via `window.setInterval` or
   * {@link Component#setInterval}. If you set an inteval via {@link Component#setInterval}
   * use this function instead of `window.clearInterval`. If you don't your dispose
   * listener will not get cleaned up until {@link Component#dispose}!
   *
   * @param {number} intervalId
   *        The id of the interval to clear. The return value of
   *        {@link Component#setInterval} or `window.setInterval`.
   *
   * @return {number}
   *         Returns the interval id that was cleared.
   *
   * @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/WindowTimers/clearInterval}
   */


  Component.prototype.clearInterval = function clearInterval(intervalId) {
    window.clearInterval(intervalId);

    var disposeFn = function disposeFn() {};

    disposeFn.guid = 'vjs-interval-' + intervalId;

    this.off('dispose', disposeFn);

    return intervalId;
  };

  /**
   * Queues up a callback to be passed to requestAnimationFrame (rAF), but
   * with a few extra bonuses:
   *
   * - Supports browsers that do not support rAF by falling back to
   *   {@link Component#setTimeout}.
   *
   * - The callback is turned into a {@link Component~GenericCallback} (i.e.
   *   bound to the component).
   *
   * - Automatic cancellation of the rAF callback is handled if the component
   *   is disposed before it is called.
   *
   * @param  {Component~GenericCallback} fn
   *         A function that will be bound to this component and executed just
   *         before the browser's next repaint.
   *
   * @return {number}
   *         Returns an rAF ID that gets used to identify the timeout. It can
   *         also be used in {@link Component#cancelAnimationFrame} to cancel
   *         the animation frame callback.
   *
   * @listens Component#dispose
   * @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/window/requestAnimationFrame}
   */


  Component.prototype.requestAnimationFrame = function requestAnimationFrame(fn) {
    var _this4 = this;

    // declare as variables so they are properly available in rAF function
    // eslint-disable-next-line
    var id, disposeFn;

    if (this.supportsRaf_) {
      fn = bind(this, fn);

      id = window.requestAnimationFrame(function () {
        _this4.off('dispose', disposeFn);
        fn();
      });

      disposeFn = function disposeFn() {
        return _this4.cancelAnimationFrame(id);
      };

      disposeFn.guid = 'vjs-raf-' + id;
      this.on('dispose', disposeFn);

      return id;
    }

    // Fall back to using a timer.
    return this.setTimeout(fn, 1000 / 60);
  };

  /**
   * Cancels a queued callback passed to {@link Component#requestAnimationFrame}
   * (rAF).
   *
   * If you queue an rAF callback via {@link Component#requestAnimationFrame},
   * use this function instead of `window.cancelAnimationFrame`. If you don't,
   * your dispose listener will not get cleaned up until {@link Component#dispose}!
   *
   * @param {number} id
   *        The rAF ID to clear. The return value of {@link Component#requestAnimationFrame}.
   *
   * @return {number}
   *         Returns the rAF ID that was cleared.
   *
   * @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/window/cancelAnimationFrame}
   */


  Component.prototype.cancelAnimationFrame = function cancelAnimationFrame(id) {
    if (this.supportsRaf_) {
      window.cancelAnimationFrame(id);

      var disposeFn = function disposeFn() {};

      disposeFn.guid = 'vjs-raf-' + id;

      this.off('dispose', disposeFn);

      return id;
    }

    // Fall back to using a timer.
    return this.clearTimeout(id);
  };

  /**
   * Register a `Component` with `videojs` given the name and the component.
   *
   * > NOTE: {@link Tech}s should not be registered as a `Component`. {@link Tech}s
   *         should be registered using {@link Tech.registerTech} or
   *         {@link videojs:videojs.registerTech}.
   *
   * > NOTE: This function can also be seen on videojs as
   *         {@link videojs:videojs.registerComponent}.
   *
   * @param {string} name
   *        The name of the `Component` to register.
   *
   * @param {Component} ComponentToRegister
   *        The `Component` class to register.
   *
   * @return {Component}
   *         The `Component` that was registered.
   */


  Component.registerComponent = function registerComponent(name, ComponentToRegister) {
    if (typeof name !== 'string' || !name) {
      throw new Error('Illegal component name, "' + name + '"; must be a non-empty string.');
    }

    var Tech = Component.getComponent('Tech');

    // We need to make sure this check is only done if Tech has been registered.
    var isTech = Tech && Tech.isTech(ComponentToRegister);
    var isComp = Component === ComponentToRegister || Component.prototype.isPrototypeOf(ComponentToRegister.prototype);

    if (isTech || !isComp) {
      var reason = void 0;

      if (isTech) {
        reason = 'techs must be registered using Tech.registerTech()';
      } else {
        reason = 'must be a Component subclass';
      }

      throw new Error('Illegal component, "' + name + '"; ' + reason + '.');
    }

    name = toTitleCase(name);

    if (!Component.components_) {
      Component.components_ = {};
    }

    var Player = Component.getComponent('Player');

    if (name === 'Player' && Player && Player.players) {
      var players = Player.players;
      var playerNames = Object.keys(players);

      // If we have players that were disposed, then their name will still be
      // in Players.players. So, we must loop through and verify that the value
      // for each item is not null. This allows registration of the Player component
      // after all players have been disposed or before any were created.
      if (players && playerNames.length > 0 && playerNames.map(function (pname) {
        return players[pname];
      }).every(Boolean)) {
        throw new Error('Can not register Player component after player has been created.');
      }
    }

    Component.components_[name] = ComponentToRegister;

    return ComponentToRegister;
  };

  /**
   * Get a `Component` based on the name it was registered with.
   *
   * @param {string} name
   *        The Name of the component to get.
   *
   * @return {Component}
   *         The `Component` that got registered under the given name.
   *
   * @deprecated In `videojs` 6 this will not return `Component`s that were not
   *             registered using {@link Component.registerComponent}. Currently we
   *             check the global `videojs` object for a `Component` name and
   *             return that if it exists.
   */


  Component.getComponent = function getComponent(name) {
    if (!name) {
      return;
    }

    name = toTitleCase(name);

    if (Component.components_ && Component.components_[name]) {
      return Component.components_[name];
    }
  };

  return Component;
}();

/**
 * Whether or not this component supports `requestAnimationFrame`.
 *
 * This is exposed primarily for testing purposes.
 *
 * @private
 * @type {Boolean}
 */


Component.prototype.supportsRaf_ = typeof window.requestAnimationFrame === 'function' && typeof window.cancelAnimationFrame === 'function';

Component.registerComponent('Component', Component);

/**
 * @file time-ranges.js
 * @module time-ranges
 */

/**
 * Returns the time for the specified index at the start or end
 * of a TimeRange object.
 *
 * @function time-ranges:indexFunction
 *
 * @param {number} [index=0]
 *        The range number to return the time for.
 *
 * @return {number}
 *         The time that offset at the specified index.
 *
 * @depricated index must be set to a value, in the future this will throw an error.
 */

/**
 * An object that contains ranges of time for various reasons.
 *
 * @typedef {Object} TimeRange
 *
 * @property {number} length
 *           The number of time ranges represented by this Object
 *
 * @property {time-ranges:indexFunction} start
 *           Returns the time offset at which a specified time range begins.
 *
 * @property {time-ranges:indexFunction} end
 *           Returns the time offset at which a specified time range ends.
 *
 * @see https://developer.mozilla.org/en-US/docs/Web/API/TimeRanges
 */

/**
 * Check if any of the time ranges are over the maximum index.
 *
 * @param {string} fnName
 *        The function name to use for logging
 *
 * @param {number} index
 *        The index to check
 *
 * @param {number} maxIndex
 *        The maximum possible index
 *
 * @throws {Error} if the timeRanges provided are over the maxIndex
 */
function rangeCheck(fnName, index, maxIndex) {
  if (typeof index !== 'number' || index < 0 || index > maxIndex) {
    throw new Error('Failed to execute \'' + fnName + '\' on \'TimeRanges\': The index provided (' + index + ') is non-numeric or out of bounds (0-' + maxIndex + ').');
  }
}

/**
 * Get the time for the specified index at the start or end
 * of a TimeRange object.
 *
 * @param {string} fnName
 *        The function name to use for logging
 *
 * @param {string} valueIndex
 *        The proprety that should be used to get the time. should be 'start' or 'end'
 *
 * @param {Array} ranges
 *        An array of time ranges
 *
 * @param {Array} [rangeIndex=0]
 *        The index to start the search at
 *
 * @return {number}
 *         The time that offset at the specified index.
 *
 *
 * @depricated rangeIndex must be set to a value, in the future this will throw an error.
 * @throws {Error} if rangeIndex is more than the length of ranges
 */
function getRange(fnName, valueIndex, ranges, rangeIndex) {
  rangeCheck(fnName, rangeIndex, ranges.length - 1);
  return ranges[rangeIndex][valueIndex];
}

/**
 * Create a time range object given ranges of time.
 *
 * @param {Array} [ranges]
 *        An array of time ranges.
 */
function createTimeRangesObj(ranges) {
  if (ranges === undefined || ranges.length === 0) {
    return {
      length: 0,
      start: function start() {
        throw new Error('This TimeRanges object is empty');
      },
      end: function end() {
        throw new Error('This TimeRanges object is empty');
      }
    };
  }
  return {
    length: ranges.length,
    start: getRange.bind(null, 'start', 0, ranges),
    end: getRange.bind(null, 'end', 1, ranges)
  };
}

/**
 * Should create a fake `TimeRange` object which mimics an HTML5 time range instance.
 *
 * @param {number|Array} start
 *        The start of a single range or an array of ranges
 *
 * @param {number} end
 *        The end of a single range.
 *
 * @private
 */
function createTimeRanges(start, end) {
  if (Array.isArray(start)) {
    return createTimeRangesObj(start);
  } else if (start === undefined || end === undefined) {
    return createTimeRangesObj();
  }
  return createTimeRangesObj([[start, end]]);
}

/**
 * @file buffer.js
 * @module buffer
 */
/**
 * Compute the percentage of the media that has been buffered.
 *
 * @param {TimeRange} buffered
 *        The current `TimeRange` object representing buffered time ranges
 *
 * @param {number} duration
 *        Total duration of the media
 *
 * @return {number}
 *         Percent buffered of the total duration in decimal form.
 */
function bufferedPercent(buffered, duration) {
  var bufferedDuration = 0;
  var start = void 0;
  var end = void 0;

  if (!duration) {
    return 0;
  }

  if (!buffered || !buffered.length) {
    buffered = createTimeRanges(0, 0);
  }

  for (var i = 0; i < buffered.length; i++) {
    start = buffered.start(i);
    end = buffered.end(i);

    // buffered end can be bigger than duration by a very small fraction
    if (end > duration) {
      end = duration;
    }

    bufferedDuration += end - start;
  }

  return bufferedDuration / duration;
}

/**
 * @file fullscreen-api.js
 * @module fullscreen-api
 * @private
 */
/**
 * Store the browser-specific methods for the fullscreen API.
 *
 * @type {Object}
 * @see [Specification]{@link https://fullscreen.spec.whatwg.org}
 * @see [Map Approach From Screenfull.js]{@link https://github.com/sindresorhus/screenfull.js}
 */
var FullscreenApi = {};

// browser API methods
var apiMap = [['requestFullscreen', 'exitFullscreen', 'fullscreenElement', 'fullscreenEnabled', 'fullscreenchange', 'fullscreenerror'],
// WebKit
['webkitRequestFullscreen', 'webkitExitFullscreen', 'webkitFullscreenElement', 'webkitFullscreenEnabled', 'webkitfullscreenchange', 'webkitfullscreenerror'],
// Old WebKit (Safari 5.1)
['webkitRequestFullScreen', 'webkitCancelFullScreen', 'webkitCurrentFullScreenElement', 'webkitCancelFullScreen', 'webkitfullscreenchange', 'webkitfullscreenerror'],
// Mozilla
['mozRequestFullScreen', 'mozCancelFullScreen', 'mozFullScreenElement', 'mozFullScreenEnabled', 'mozfullscreenchange', 'mozfullscreenerror'],
// Microsoft
['msRequestFullscreen', 'msExitFullscreen', 'msFullscreenElement', 'msFullscreenEnabled', 'MSFullscreenChange', 'MSFullscreenError']];

var specApi = apiMap[0];
var browserApi = void 0;

// determine the supported set of functions
for (var i = 0; i < apiMap.length; i++) {
  // check for exitFullscreen function
  if (apiMap[i][1] in document) {
    browserApi = apiMap[i];
    break;
  }
}

// map the browser API names to the spec API names
if (browserApi) {
  for (var _i = 0; _i < browserApi.length; _i++) {
    FullscreenApi[specApi[_i]] = browserApi[_i];
  }
}

/**
 * @file media-error.js
 */
/**
 * A Custom `MediaError` class which mimics the standard HTML5 `MediaError` class.
 *
 * @param {number|string|Object|MediaError} value
 *        This can be of multiple types:
 *        - number: should be a standard error code
 *        - string: an error message (the code will be 0)
 *        - Object: arbitrary properties
 *        - `MediaError` (native): used to populate a video.js `MediaError` object
 *        - `MediaError` (video.js): will return itself if it's already a
 *          video.js `MediaError` object.
 *
 * @see [MediaError Spec]{@link https://dev.w3.org/html5/spec-author-view/video.html#mediaerror}
 * @see [Encrypted MediaError Spec]{@link https://www.w3.org/TR/2013/WD-encrypted-media-20130510/#error-codes}
 *
 * @class MediaError
 */
function MediaError(value) {

  // Allow redundant calls to this constructor to avoid having `instanceof`
  // checks peppered around the code.
  if (value instanceof MediaError) {
    return value;
  }

  if (typeof value === 'number') {
    this.code = value;
  } else if (typeof value === 'string') {
    // default code is zero, so this is a custom error
    this.message = value;
  } else if (isObject(value)) {

    // We assign the `code` property manually because native `MediaError` objects
    // do not expose it as an own/enumerable property of the object.
    if (typeof value.code === 'number') {
      this.code = value.code;
    }

    assign(this, value);
  }

  if (!this.message) {
    this.message = MediaError.defaultMessages[this.code] || '';
  }
}

/**
 * The error code that refers two one of the defined `MediaError` types
 *
 * @type {Number}
 */
MediaError.prototype.code = 0;

/**
 * An optional message that to show with the error. Message is not part of the HTML5
 * video spec but allows for more informative custom errors.
 *
 * @type {String}
 */
MediaError.prototype.message = '';

/**
 * An optional status code that can be set by plugins to allow even more detail about
 * the error. For example a plugin might provide a specific HTTP status code and an
 * error message for that code. Then when the plugin gets that error this class will
 * know how to display an error message for it. This allows a custom message to show
 * up on the `Player` error overlay.
 *
 * @type {Array}
 */
MediaError.prototype.status = null;

/**
 * Errors indexed by the W3C standard. The order **CANNOT CHANGE**! See the
 * specification listed under {@link MediaError} for more information.
 *
 * @enum {array}
 * @readonly
 * @property {string} 0 - MEDIA_ERR_CUSTOM
 * @property {string} 1 - MEDIA_ERR_CUSTOM
 * @property {string} 2 - MEDIA_ERR_ABORTED
 * @property {string} 3 - MEDIA_ERR_NETWORK
 * @property {string} 4 - MEDIA_ERR_SRC_NOT_SUPPORTED
 * @property {string} 5 - MEDIA_ERR_ENCRYPTED
 */
MediaError.errorTypes = ['MEDIA_ERR_CUSTOM', 'MEDIA_ERR_ABORTED', 'MEDIA_ERR_NETWORK', 'MEDIA_ERR_DECODE', 'MEDIA_ERR_SRC_NOT_SUPPORTED', 'MEDIA_ERR_ENCRYPTED'];

/**
 * The default `MediaError` messages based on the {@link MediaError.errorTypes}.
 *
 * @type {Array}
 * @constant
 */
MediaError.defaultMessages = {
  1: 'You aborted the media playback',
  2: 'A network error caused the media download to fail part-way.',
  3: 'The media playback was aborted due to a corruption problem or because the media used features your browser did not support.',
  4: 'The media could not be loaded, either because the server or network failed or because the format is not supported.',
  5: 'The media is encrypted and we do not have the keys to decrypt it.'
};

// Add types as properties on MediaError
// e.g. MediaError.MEDIA_ERR_SRC_NOT_SUPPORTED = 4;
for (var errNum = 0; errNum < MediaError.errorTypes.length; errNum++) {
  MediaError[MediaError.errorTypes[errNum]] = errNum;
  // values should be accessible on both the class and instance
  MediaError.prototype[MediaError.errorTypes[errNum]] = errNum;
}

/**
 * Returns whether an object is `Promise`-like (i.e. has a `then` method).
 *
 * @param  {Object}  value
 *         An object that may or may not be `Promise`-like.
 *
 * @return {Boolean}
 *         Whether or not the object is `Promise`-like.
 */
function isPromise(value) {
  return value !== undefined && value !== null && typeof value.then === 'function';
}

/**
 * Silence a Promise-like object.
 *
 * This is useful for avoiding non-harmful, but potentially confusing "uncaught
 * play promise" rejection error messages.
 *
 * @param  {Object} value
 *         An object that may or may not be `Promise`-like.
 */
function silencePromise(value) {
  if (isPromise(value)) {
    value.then(null, function (e) {});
  }
}

/**
 * @file text-track-list-converter.js Utilities for capturing text track state and
 * re-creating tracks based on a capture.
 *
 * @module text-track-list-converter
 */

/**
 * Examine a single {@link TextTrack} and return a JSON-compatible javascript object that
 * represents the {@link TextTrack}'s state.
 *
 * @param {TextTrack} track
 *        The text track to query.
 *
 * @return {Object}
 *         A serializable javascript representation of the TextTrack.
 * @private
 */
var trackToJson_ = function trackToJson_(track) {
  var ret = ['kind', 'label', 'language', 'id', 'inBandMetadataTrackDispatchType', 'mode', 'src'].reduce(function (acc, prop, i) {

    if (track[prop]) {
      acc[prop] = track[prop];
    }

    return acc;
  }, {
    cues: track.cues && Array.prototype.map.call(track.cues, function (cue) {
      return {
        startTime: cue.startTime,
        endTime: cue.endTime,
        text: cue.text,
        id: cue.id
      };
    })
  });

  return ret;
};

/**
 * Examine a {@link Tech} and return a JSON-compatible javascript array that represents the
 * state of all {@link TextTrack}s currently configured. The return array is compatible with
 * {@link text-track-list-converter:jsonToTextTracks}.
 *
 * @param {Tech} tech
 *        The tech object to query
 *
 * @return {Array}
 *         A serializable javascript representation of the {@link Tech}s
 *         {@link TextTrackList}.
 */
var textTracksToJson = function textTracksToJson(tech) {

  var trackEls = tech.$$('track');

  var trackObjs = Array.prototype.map.call(trackEls, function (t) {
    return t.track;
  });
  var tracks = Array.prototype.map.call(trackEls, function (trackEl) {
    var json = trackToJson_(trackEl.track);

    if (trackEl.src) {
      json.src = trackEl.src;
    }
    return json;
  });

  return tracks.concat(Array.prototype.filter.call(tech.textTracks(), function (track) {
    return trackObjs.indexOf(track) === -1;
  }).map(trackToJson_));
};

/**
 * Create a set of remote {@link TextTrack}s on a {@link Tech} based on an array of javascript
 * object {@link TextTrack} representations.
 *
 * @param {Array} json
 *        An array of `TextTrack` representation objects, like those that would be
 *        produced by `textTracksToJson`.
 *
 * @param {Tech} tech
 *        The `Tech` to create the `TextTrack`s on.
 */
var jsonToTextTracks = function jsonToTextTracks(json, tech) {
  json.forEach(function (track) {
    var addedTrack = tech.addRemoteTextTrack(track).track;

    if (!track.src && track.cues) {
      track.cues.forEach(function (cue) {
        return addedTrack.addCue(cue);
      });
    }
  });

  return tech.textTracks();
};

var textTrackConverter = { textTracksToJson: textTracksToJson, jsonToTextTracks: jsonToTextTracks, trackToJson_: trackToJson_ };

/**
 * @file modal-dialog.js
 */
var MODAL_CLASS_NAME = 'vjs-modal-dialog';
var ESC = 27;

/**
 * The `ModalDialog` displays over the video and its controls, which blocks
 * interaction with the player until it is closed.
 *
 * Modal dialogs include a "Close" button and will close when that button
 * is activated - or when ESC is pressed anywhere.
 *
 * @extends Component
 */

var ModalDialog = function (_Component) {
  inherits(ModalDialog, _Component);

  /**
   * Create an instance of this class.
   *
   * @param {Player} player
   *        The `Player` that this class should be attached to.
   *
   * @param {Object} [options]
   *        The key/value store of player options.
   *
   * @param {Mixed} [options.content=undefined]
   *        Provide customized content for this modal.
   *
   * @param {string} [options.description]
   *        A text description for the modal, primarily for accessibility.
   *
   * @param {boolean} [options.fillAlways=false]
   *        Normally, modals are automatically filled only the first time
   *        they open. This tells the modal to refresh its content
   *        every time it opens.
   *
   * @param {string} [options.label]
   *        A text label for the modal, primarily for accessibility.
   *
   * @param {boolean} [options.temporary=true]
   *        If `true`, the modal can only be opened once; it will be
   *        disposed as soon as it's closed.
   *
   * @param {boolean} [options.uncloseable=false]
   *        If `true`, the user will not be able to close the modal
   *        through the UI in the normal ways. Programmatic closing is
   *        still possible.
   */
  function ModalDialog(player, options) {
    classCallCheck(this, ModalDialog);

    var _this = possibleConstructorReturn(this, _Component.call(this, player, options));

    _this.opened_ = _this.hasBeenOpened_ = _this.hasBeenFilled_ = false;

    _this.closeable(!_this.options_.uncloseable);
    _this.content(_this.options_.content);

    // Make sure the contentEl is defined AFTER any children are initialized
    // because we only want the contents of the modal in the contentEl
    // (not the UI elements like the close button).
    _this.contentEl_ = createEl('div', {
      className: MODAL_CLASS_NAME + '-content'
    }, {
      role: 'document'
    });

    _this.descEl_ = createEl('p', {
      className: MODAL_CLASS_NAME + '-description vjs-control-text',
      id: _this.el().getAttribute('aria-describedby')
    });

    textContent(_this.descEl_, _this.description());
    _this.el_.appendChild(_this.descEl_);
    _this.el_.appendChild(_this.contentEl_);
    return _this;
  }

  /**
   * Create the `ModalDialog`'s DOM element
   *
   * @return {Element}
   *         The DOM element that gets created.
   */


  ModalDialog.prototype.createEl = function createEl$$1() {
    return _Component.prototype.createEl.call(this, 'div', {
      className: this.buildCSSClass(),
      tabIndex: -1
    }, {
      'aria-describedby': this.id() + '_description',
      'aria-hidden': 'true',
      'aria-label': this.label(),
      'role': 'dialog'
    });
  };

  ModalDialog.prototype.dispose = function dispose() {
    this.contentEl_ = null;
    this.descEl_ = null;
    this.previouslyActiveEl_ = null;

    _Component.prototype.dispose.call(this);
  };

  /**
   * Builds the default DOM `className`.
   *
   * @return {string}
   *         The DOM `className` for this object.
   */


  ModalDialog.prototype.buildCSSClass = function buildCSSClass() {
    return MODAL_CLASS_NAME + ' vjs-hidden ' + _Component.prototype.buildCSSClass.call(this);
  };

  /**
   * Handles `keydown` events on the document, looking for ESC, which closes
   * the modal.
   *
   * @param {EventTarget~Event} e
   *        The keypress that triggered this event.
   *
   * @listens keydown
   */


  ModalDialog.prototype.handleKeyPress = function handleKeyPress(e) {
    if (e.which === ESC && this.closeable()) {
      this.close();
    }
  };

  /**
   * Returns the label string for this modal. Primarily used for accessibility.
   *
   * @return {string}
   *         the localized or raw label of this modal.
   */


  ModalDialog.prototype.label = function label() {
    return this.localize(this.options_.label || 'Modal Window');
  };

  /**
   * Returns the description string for this modal. Primarily used for
   * accessibility.
   *
   * @return {string}
   *         The localized or raw description of this modal.
   */


  ModalDialog.prototype.description = function description() {
    var desc = this.options_.description || this.localize('This is a modal window.');

    // Append a universal closeability message if the modal is closeable.
    if (this.closeable()) {
      desc += ' ' + this.localize('This modal can be closed by pressing the Escape key or activating the close button.');
    }

    return desc;
  };

  /**
   * Opens the modal.
   *
   * @fires ModalDialog#beforemodalopen
   * @fires ModalDialog#modalopen
   */


  ModalDialog.prototype.open = function open() {
    if (!this.opened_) {
      var player = this.player();

      /**
        * Fired just before a `ModalDialog` is opened.
        *
        * @event ModalDialog#beforemodalopen
        * @type {EventTarget~Event}
        */
      this.trigger('beforemodalopen');
      this.opened_ = true;

      // Fill content if the modal has never opened before and
      // never been filled.
      if (this.options_.fillAlways || !this.hasBeenOpened_ && !this.hasBeenFilled_) {
        this.fill();
      }

      // If the player was playing, pause it and take note of its previously
      // playing state.
      this.wasPlaying_ = !player.paused();

      if (this.options_.pauseOnOpen && this.wasPlaying_) {
        player.pause();
      }

      if (this.closeable()) {
        this.on(this.el_.ownerDocument, 'keydown', bind(this, this.handleKeyPress));
      }

      // Hide controls and note if they were enabled.
      this.hadControls_ = player.controls();
      player.controls(false);

      this.show();
      this.conditionalFocus_();
      this.el().setAttribute('aria-hidden', 'false');

      /**
        * Fired just after a `ModalDialog` is opened.
        *
        * @event ModalDialog#modalopen
        * @type {EventTarget~Event}
        */
      this.trigger('modalopen');
      this.hasBeenOpened_ = true;
    }
  };

  /**
   * If the `ModalDialog` is currently open or closed.
   *
   * @param  {boolean} [value]
   *         If given, it will open (`true`) or close (`false`) the modal.
   *
   * @return {boolean}
   *         the current open state of the modaldialog
   */


  ModalDialog.prototype.opened = function opened(value) {
    if (typeof value === 'boolean') {
      this[value ? 'open' : 'close']();
    }
    return this.opened_;
  };

  /**
   * Closes the modal, does nothing if the `ModalDialog` is
   * not open.
   *
   * @fires ModalDialog#beforemodalclose
   * @fires ModalDialog#modalclose
   */


  ModalDialog.prototype.close = function close() {
    if (!this.opened_) {
      return;
    }
    var player = this.player();

    /**
      * Fired just before a `ModalDialog` is closed.
      *
      * @event ModalDialog#beforemodalclose
      * @type {EventTarget~Event}
      */
    this.trigger('beforemodalclose');
    this.opened_ = false;

    if (this.wasPlaying_ && this.options_.pauseOnOpen) {
      player.play();
    }

    if (this.closeable()) {
      this.off(this.el_.ownerDocument, 'keydown', bind(this, this.handleKeyPress));
    }

    if (this.hadControls_) {
      player.controls(true);
    }

    this.hide();
    this.el().setAttribute('aria-hidden', 'true');

    /**
      * Fired just after a `ModalDialog` is closed.
      *
      * @event ModalDialog#modalclose
      * @type {EventTarget~Event}
      */
    this.trigger('modalclose');
    this.conditionalBlur_();

    if (this.options_.temporary) {
      this.dispose();
    }
  };

  /**
   * Check to see if the `ModalDialog` is closeable via the UI.
   *
   * @param  {boolean} [value]
   *         If given as a boolean, it will set the `closeable` option.
   *
   * @return {boolean}
   *         Returns the final value of the closable option.
   */


  ModalDialog.prototype.closeable = function closeable(value) {
    if (typeof value === 'boolean') {
      var closeable = this.closeable_ = !!value;
      var close = this.getChild('closeButton');

      // If this is being made closeable and has no close button, add one.
      if (closeable && !close) {

        // The close button should be a child of the modal - not its
        // content element, so temporarily change the content element.
        var temp = this.contentEl_;

        this.contentEl_ = this.el_;
        close = this.addChild('closeButton', { controlText: 'Close Modal Dialog' });
        this.contentEl_ = temp;
        this.on(close, 'close', this.close);
      }

      // If this is being made uncloseable and has a close button, remove it.
      if (!closeable && close) {
        this.off(close, 'close', this.close);
        this.removeChild(close);
        close.dispose();
      }
    }
    return this.closeable_;
  };

  /**
   * Fill the modal's content element with the modal's "content" option.
   * The content element will be emptied before this change takes place.
   */


  ModalDialog.prototype.fill = function fill() {
    this.fillWith(this.content());
  };

  /**
   * Fill the modal's content element with arbitrary content.
   * The content element will be emptied before this change takes place.
   *
   * @fires ModalDialog#beforemodalfill
   * @fires ModalDialog#modalfill
   *
   * @param {Mixed} [content]
   *        The same rules apply to this as apply to the `content` option.
   */


  ModalDialog.prototype.fillWith = function fillWith(content) {
    var contentEl = this.contentEl();
    var parentEl = contentEl.parentNode;
    var nextSiblingEl = contentEl.nextSibling;

    /**
     * Fired just before a `ModalDialog` is filled with content.
     *
     * @event ModalDialog#beforemodalfill
     * @type {EventTarget~Event}
     */
    this.trigger('beforemodalfill');
    this.hasBeenFilled_ = true;

    // Detach the content element from the DOM before performing
    // manipulation to avoid modifying the live DOM multiple times.
    parentEl.removeChild(contentEl);
    this.empty();
    insertContent(contentEl, content);
    /**
     * Fired just after a `ModalDialog` is filled with content.
     *
     * @event ModalDialog#modalfill
     * @type {EventTarget~Event}
     */
    this.trigger('modalfill');

    // Re-inject the re-filled content element.
    if (nextSiblingEl) {
      parentEl.insertBefore(contentEl, nextSiblingEl);
    } else {
      parentEl.appendChild(contentEl);
    }

    // make sure that the close button is last in the dialog DOM
    var closeButton = this.getChild('closeButton');

    if (closeButton) {
      parentEl.appendChild(closeButton.el_);
    }
  };

  /**
   * Empties the content element. This happens anytime the modal is filled.
   *
   * @fires ModalDialog#beforemodalempty
   * @fires ModalDialog#modalempty
   */


  ModalDialog.prototype.empty = function empty() {
    /**
     * Fired just before a `ModalDialog` is emptied.
     *
     * @event ModalDialog#beforemodalempty
     * @type {EventTarget~Event}
     */
    this.trigger('beforemodalempty');
    emptyEl(this.contentEl());

    /**
     * Fired just after a `ModalDialog` is emptied.
     *
     * @event ModalDialog#modalempty
     * @type {EventTarget~Event}
     */
    this.trigger('modalempty');
  };

  /**
   * Gets or sets the modal content, which gets normalized before being
   * rendered into the DOM.
   *
   * This does not update the DOM or fill the modal, but it is called during
   * that process.
   *
   * @param  {Mixed} [value]
   *         If defined, sets the internal content value to be used on the
   *         next call(s) to `fill`. This value is normalized before being
   *         inserted. To "clear" the internal content value, pass `null`.
   *
   * @return {Mixed}
   *         The current content of the modal dialog
   */


  ModalDialog.prototype.content = function content(value) {
    if (typeof value !== 'undefined') {
      this.content_ = value;
    }
    return this.content_;
  };

  /**
   * conditionally focus the modal dialog if focus was previously on the player.
   *
   * @private
   */


  ModalDialog.prototype.conditionalFocus_ = function conditionalFocus_() {
    var activeEl = document.activeElement;
    var playerEl = this.player_.el_;

    this.previouslyActiveEl_ = null;

    if (playerEl.contains(activeEl) || playerEl === activeEl) {
      this.previouslyActiveEl_ = activeEl;

      this.focus();

      this.on(document, 'keydown', this.handleKeyDown);
    }
  };

  /**
   * conditionally blur the element and refocus the last focused element
   *
   * @private
   */


  ModalDialog.prototype.conditionalBlur_ = function conditionalBlur_() {
    if (this.previouslyActiveEl_) {
      this.previouslyActiveEl_.focus();
      this.previouslyActiveEl_ = null;
    }

    this.off(document, 'keydown', this.handleKeyDown);
  };

  /**
   * Keydown handler. Attached when modal is focused.
   *
   * @listens keydown
   */


  ModalDialog.prototype.handleKeyDown = function handleKeyDown(event) {
    // exit early if it isn't a tab key
    if (event.which !== 9) {
      return;
    }

    var focusableEls = this.focusableEls_();
    var activeEl = this.el_.querySelector(':focus');
    var focusIndex = void 0;

    for (var i = 0; i < focusableEls.length; i++) {
      if (activeEl === focusableEls[i]) {
        focusIndex = i;
        break;
      }
    }

    if (document.activeElement === this.el_) {
      focusIndex = 0;
    }

    if (event.shiftKey && focusIndex === 0) {
      focusableEls[focusableEls.length - 1].focus();
      event.preventDefault();
    } else if (!event.shiftKey && focusIndex === focusableEls.length - 1) {
      focusableEls[0].focus();
      event.preventDefault();
    }
  };

  /**
   * get all focusable elements
   *
   * @private
   */


  ModalDialog.prototype.focusableEls_ = function focusableEls_() {
    var allChildren = this.el_.querySelectorAll('*');

    return Array.prototype.filter.call(allChildren, function (child) {
      return (child instanceof window.HTMLAnchorElement || child instanceof window.HTMLAreaElement) && child.hasAttribute('href') || (child instanceof window.HTMLInputElement || child instanceof window.HTMLSelectElement || child instanceof window.HTMLTextAreaElement || child instanceof window.HTMLButtonElement) && !child.hasAttribute('disabled') || child instanceof window.HTMLIFrameElement || child instanceof window.HTMLObjectElement || child instanceof window.HTMLEmbedElement || child.hasAttribute('tabindex') && child.getAttribute('tabindex') !== -1 || child.hasAttribute('contenteditable');
    });
  };

  return ModalDialog;
}(Component);

/**
 * Default options for `ModalDialog` default options.
 *
 * @type {Object}
 * @private
 */


ModalDialog.prototype.options_ = {
  pauseOnOpen: true,
  temporary: true
};

Component.registerComponent('ModalDialog', ModalDialog);

/**
 * @file track-list.js
 */
/**
 * Common functionaliy between {@link TextTrackList}, {@link AudioTrackList}, and
 * {@link VideoTrackList}
 *
 * @extends EventTarget
 */

var TrackList = function (_EventTarget) {
  inherits(TrackList, _EventTarget);

  /**
   * Create an instance of this class
   *
   * @param {Track[]} tracks
   *        A list of tracks to initialize the list with.
   *
   * @param {Object} [list]
   *        The child object with inheritance done manually for ie8.
   *
   * @abstract
   */
  function TrackList() {
    var tracks = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];

    var _ret;

    var list = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null;
    classCallCheck(this, TrackList);

    var _this = possibleConstructorReturn(this, _EventTarget.call(this));

    if (!list) {
      list = _this; // eslint-disable-line
      if (IS_IE8) {
        list = document.createElement('custom');
        for (var prop in TrackList.prototype) {
          if (prop !== 'constructor') {
            list[prop] = TrackList.prototype[prop];
          }
        }
      }
    }

    list.tracks_ = [];

    /**
     * @memberof TrackList
     * @member {number} length
     *         The current number of `Track`s in the this Trackist.
     * @instance
     */
    Object.defineProperty(list, 'length', {
      get: function get$$1() {
        return this.tracks_.length;
      }
    });

    for (var i = 0; i < tracks.length; i++) {
      list.addTrack(tracks[i]);
    }

    // must return the object, as for ie8 it will not be this
    // but a reference to a document object
    return _ret = list, possibleConstructorReturn(_this, _ret);
  }

  /**
   * Add a {@link Track} to the `TrackList`
   *
   * @param {Track} track
   *        The audio, video, or text track to add to the list.
   *
   * @fires TrackList#addtrack
   */


  TrackList.prototype.addTrack = function addTrack(track) {
    var index = this.tracks_.length;

    if (!('' + index in this)) {
      Object.defineProperty(this, index, {
        get: function get$$1() {
          return this.tracks_[index];
        }
      });
    }

    // Do not add duplicate tracks
    if (this.tracks_.indexOf(track) === -1) {
      this.tracks_.push(track);
      /**
       * Triggered when a track is added to a track list.
       *
       * @event TrackList#addtrack
       * @type {EventTarget~Event}
       * @property {Track} track
       *           A reference to track that was added.
       */
      this.trigger({
        track: track,
        type: 'addtrack'
      });
    }
  };

  /**
   * Remove a {@link Track} from the `TrackList`
   *
   * @param {Track} rtrack
   *        The audio, video, or text track to remove from the list.
   *
   * @fires TrackList#removetrack
   */


  TrackList.prototype.removeTrack = function removeTrack(rtrack) {
    var track = void 0;

    for (var i = 0, l = this.length; i < l; i++) {
      if (this[i] === rtrack) {
        track = this[i];
        if (track.off) {
          track.off();
        }

        this.tracks_.splice(i, 1);

        break;
      }
    }

    if (!track) {
      return;
    }

    /**
     * Triggered when a track is removed from track list.
     *
     * @event TrackList#removetrack
     * @type {EventTarget~Event}
     * @property {Track} track
     *           A reference to track that was removed.
     */
    this.trigger({
      track: track,
      type: 'removetrack'
    });
  };

  /**
   * Get a Track from the TrackList by a tracks id
   *
   * @param {String} id - the id of the track to get
   * @method getTrackById
   * @return {Track}
   * @private
   */


  TrackList.prototype.getTrackById = function getTrackById(id) {
    var result = null;

    for (var i = 0, l = this.length; i < l; i++) {
      var track = this[i];

      if (track.id === id) {
        result = track;
        break;
      }
    }

    return result;
  };

  return TrackList;
}(EventTarget);

/**
 * Triggered when a different track is selected/enabled.
 *
 * @event TrackList#change
 * @type {EventTarget~Event}
 */

/**
 * Events that can be called with on + eventName. See {@link EventHandler}.
 *
 * @property {Object} TrackList#allowedEvents_
 * @private
 */


TrackList.prototype.allowedEvents_ = {
  change: 'change',
  addtrack: 'addtrack',
  removetrack: 'removetrack'
};

// emulate attribute EventHandler support to allow for feature detection
for (var event in TrackList.prototype.allowedEvents_) {
  TrackList.prototype['on' + event] = null;
}

/**
 * @file audio-track-list.js
 */
/**
 * Anywhere we call this function we diverge from the spec
 * as we only support one enabled audiotrack at a time
 *
 * @param {AudioTrackList} list
 *        list to work on
 *
 * @param {AudioTrack} track
 *        The track to skip
 *
 * @private
 */
var disableOthers = function disableOthers(list, track) {
  for (var i = 0; i < list.length; i++) {
    if (!Object.keys(list[i]).length || track.id === list[i].id) {
      continue;
    }
    // another audio track is enabled, disable it
    list[i].enabled = false;
  }
};

/**
 * The current list of {@link AudioTrack} for a media file.
 *
 * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#audiotracklist}
 * @extends TrackList
 */

var AudioTrackList = function (_TrackList) {
  inherits(AudioTrackList, _TrackList);

  /**
   * Create an instance of this class.
   *
   * @param {AudioTrack[]} [tracks=[]]
   *        A list of `AudioTrack` to instantiate the list with.
   */
  function AudioTrackList() {
    var _this, _ret;

    var tracks = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];
    classCallCheck(this, AudioTrackList);

    var list = void 0;

    // make sure only 1 track is enabled
    // sorted from last index to first index
    for (var i = tracks.length - 1; i >= 0; i--) {
      if (tracks[i].enabled) {
        disableOthers(tracks, tracks[i]);
        break;
      }
    }

    // IE8 forces us to implement inheritance ourselves
    // as it does not support Object.defineProperty properly
    if (IS_IE8) {
      list = document.createElement('custom');
      for (var prop in TrackList.prototype) {
        if (prop !== 'constructor') {
          list[prop] = TrackList.prototype[prop];
        }
      }
      for (var _prop in AudioTrackList.prototype) {
        if (_prop !== 'constructor') {
          list[_prop] = AudioTrackList.prototype[_prop];
        }
      }
    }

    list = (_this = possibleConstructorReturn(this, _TrackList.call(this, tracks, list)), _this);
    list.changing_ = false;

    return _ret = list, possibleConstructorReturn(_this, _ret);
  }

  /**
   * Add an {@link AudioTrack} to the `AudioTrackList`.
   *
   * @param {AudioTrack} track
   *        The AudioTrack to add to the list
   *
   * @fires TrackList#addtrack
   */


  AudioTrackList.prototype.addTrack = function addTrack(track) {
    var _this2 = this;

    if (track.enabled) {
      disableOthers(this, track);
    }

    _TrackList.prototype.addTrack.call(this, track);
    // native tracks don't have this
    if (!track.addEventListener) {
      return;
    }

    /**
     * @listens AudioTrack#enabledchange
     * @fires TrackList#change
     */
    track.addEventListener('enabledchange', function () {
      // when we are disabling other tracks (since we don't support
      // more than one track at a time) we will set changing_
      // to true so that we don't trigger additional change events
      if (_this2.changing_) {
        return;
      }
      _this2.changing_ = true;
      disableOthers(_this2, track);
      _this2.changing_ = false;
      _this2.trigger('change');
    });
  };

  return AudioTrackList;
}(TrackList);

/**
 * @file video-track-list.js
 */
/**
 * Un-select all other {@link VideoTrack}s that are selected.
 *
 * @param {VideoTrackList} list
 *        list to work on
 *
 * @param {VideoTrack} track
 *        The track to skip
 *
 * @private
 */
var disableOthers$1 = function disableOthers(list, track) {
  for (var i = 0; i < list.length; i++) {
    if (!Object.keys(list[i]).length || track.id === list[i].id) {
      continue;
    }
    // another video track is enabled, disable it
    list[i].selected = false;
  }
};

/**
 * The current list of {@link VideoTrack} for a video.
 *
 * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#videotracklist}
 * @extends TrackList
 */

var VideoTrackList = function (_TrackList) {
  inherits(VideoTrackList, _TrackList);

  /**
   * Create an instance of this class.
   *
   * @param {VideoTrack[]} [tracks=[]]
   *        A list of `VideoTrack` to instantiate the list with.
   */
  function VideoTrackList() {
    var _this, _ret;

    var tracks = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];
    classCallCheck(this, VideoTrackList);

    var list = void 0;

    // make sure only 1 track is enabled
    // sorted from last index to first index
    for (var i = tracks.length - 1; i >= 0; i--) {
      if (tracks[i].selected) {
        disableOthers$1(tracks, tracks[i]);
        break;
      }
    }

    // IE8 forces us to implement inheritance ourselves
    // as it does not support Object.defineProperty properly
    if (IS_IE8) {
      list = document.createElement('custom');
      for (var prop in TrackList.prototype) {
        if (prop !== 'constructor') {
          list[prop] = TrackList.prototype[prop];
        }
      }
      for (var _prop in VideoTrackList.prototype) {
        if (_prop !== 'constructor') {
          list[_prop] = VideoTrackList.prototype[_prop];
        }
      }
    }

    list = (_this = possibleConstructorReturn(this, _TrackList.call(this, tracks, list)), _this);
    list.changing_ = false;

    /**
     * @member {number} VideoTrackList#selectedIndex
     *         The current index of the selected {@link VideoTrack`}.
     */
    Object.defineProperty(list, 'selectedIndex', {
      get: function get$$1() {
        for (var _i = 0; _i < this.length; _i++) {
          if (this[_i].selected) {
            return _i;
          }
        }
        return -1;
      },
      set: function set$$1() {}
    });

    return _ret = list, possibleConstructorReturn(_this, _ret);
  }

  /**
   * Add a {@link VideoTrack} to the `VideoTrackList`.
   *
   * @param {VideoTrack} track
   *        The VideoTrack to add to the list
   *
   * @fires TrackList#addtrack
   */


  VideoTrackList.prototype.addTrack = function addTrack(track) {
    var _this2 = this;

    if (track.selected) {
      disableOthers$1(this, track);
    }

    _TrackList.prototype.addTrack.call(this, track);
    // native tracks don't have this
    if (!track.addEventListener) {
      return;
    }

    /**
     * @listens VideoTrack#selectedchange
     * @fires TrackList#change
     */
    track.addEventListener('selectedchange', function () {
      if (_this2.changing_) {
        return;
      }
      _this2.changing_ = true;
      disableOthers$1(_this2, track);
      _this2.changing_ = false;
      _this2.trigger('change');
    });
  };

  return VideoTrackList;
}(TrackList);

/**
 * @file text-track-list.js
 */
/**
 * The current list of {@link TextTrack} for a media file.
 *
 * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#texttracklist}
 * @extends TrackList
 */

var TextTrackList = function (_TrackList) {
  inherits(TextTrackList, _TrackList);

  /**
   * Create an instance of this class.
   *
   * @param {TextTrack[]} [tracks=[]]
   *        A list of `TextTrack` to instantiate the list with.
   */
  function TextTrackList() {
    var _this, _ret;

    var tracks = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];
    classCallCheck(this, TextTrackList);

    var list = void 0;

    // IE8 forces us to implement inheritance ourselves
    // as it does not support Object.defineProperty properly
    if (IS_IE8) {
      list = document.createElement('custom');
      for (var prop in TrackList.prototype) {
        if (prop !== 'constructor') {
          list[prop] = TrackList.prototype[prop];
        }
      }
      for (var _prop in TextTrackList.prototype) {
        if (_prop !== 'constructor') {
          list[_prop] = TextTrackList.prototype[_prop];
        }
      }
    }

    list = (_this = possibleConstructorReturn(this, _TrackList.call(this, tracks, list)), _this);
    return _ret = list, possibleConstructorReturn(_this, _ret);
  }

  /**
   * Add a {@link TextTrack} to the `TextTrackList`
   *
   * @param {TextTrack} track
   *        The text track to add to the list.
   *
   * @fires TrackList#addtrack
   */


  TextTrackList.prototype.addTrack = function addTrack(track) {
    _TrackList.prototype.addTrack.call(this, track);

    /**
     * @listens TextTrack#modechange
     * @fires TrackList#change
     */
    track.addEventListener('modechange', bind(this, function () {
      this.trigger('change');
    }));

    var nonLanguageTextTrackKind = ['metadata', 'chapters'];

    if (nonLanguageTextTrackKind.indexOf(track.kind) === -1) {
      track.addEventListener('modechange', bind(this, function () {
        this.trigger('selectedlanguagechange');
      }));
    }
  };

  return TextTrackList;
}(TrackList);

/**
 * @file html-track-element-list.js
 */

/**
 * The current list of {@link HtmlTrackElement}s.
 */

var HtmlTrackElementList = function () {

  /**
   * Create an instance of this class.
   *
   * @param {HtmlTrackElement[]} [tracks=[]]
   *        A list of `HtmlTrackElement` to instantiate the list with.
   */
  function HtmlTrackElementList() {
    var trackElements = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];
    classCallCheck(this, HtmlTrackElementList);

    var list = this; // eslint-disable-line

    if (IS_IE8) {
      list = document.createElement('custom');

      for (var prop in HtmlTrackElementList.prototype) {
        if (prop !== 'constructor') {
          list[prop] = HtmlTrackElementList.prototype[prop];
        }
      }
    }

    list.trackElements_ = [];

    /**
     * @memberof HtmlTrackElementList
     * @member {number} length
     *         The current number of `Track`s in the this Trackist.
     * @instance
     */
    Object.defineProperty(list, 'length', {
      get: function get$$1() {
        return this.trackElements_.length;
      }
    });

    for (var i = 0, length = trackElements.length; i < length; i++) {
      list.addTrackElement_(trackElements[i]);
    }

    if (IS_IE8) {
      return list;
    }
  }

  /**
   * Add an {@link HtmlTrackElement} to the `HtmlTrackElementList`
   *
   * @param {HtmlTrackElement} trackElement
   *        The track element to add to the list.
   *
   * @private
   */


  HtmlTrackElementList.prototype.addTrackElement_ = function addTrackElement_(trackElement) {
    var index = this.trackElements_.length;

    if (!('' + index in this)) {
      Object.defineProperty(this, index, {
        get: function get$$1() {
          return this.trackElements_[index];
        }
      });
    }

    // Do not add duplicate elements
    if (this.trackElements_.indexOf(trackElement) === -1) {
      this.trackElements_.push(trackElement);
    }
  };

  /**
   * Get an {@link HtmlTrackElement} from the `HtmlTrackElementList` given an
   * {@link TextTrack}.
   *
   * @param {TextTrack} track
   *        The track associated with a track element.
   *
   * @return {HtmlTrackElement|undefined}
   *         The track element that was found or undefined.
   *
   * @private
   */


  HtmlTrackElementList.prototype.getTrackElementByTrack_ = function getTrackElementByTrack_(track) {
    var trackElement_ = void 0;

    for (var i = 0, length = this.trackElements_.length; i < length; i++) {
      if (track === this.trackElements_[i].track) {
        trackElement_ = this.trackElements_[i];

        break;
      }
    }

    return trackElement_;
  };

  /**
   * Remove a {@link HtmlTrackElement} from the `HtmlTrackElementList`
   *
   * @param {HtmlTrackElement} trackElement
   *        The track element to remove from the list.
   *
   * @private
   */


  HtmlTrackElementList.prototype.removeTrackElement_ = function removeTrackElement_(trackElement) {
    for (var i = 0, length = this.trackElements_.length; i < length; i++) {
      if (trackElement === this.trackElements_[i]) {
        this.trackElements_.splice(i, 1);

        break;
      }
    }
  };

  return HtmlTrackElementList;
}();

/**
 * @file text-track-cue-list.js
 */
/**
 * @typedef {Object} TextTrackCueList~TextTrackCue
 *
 * @property {string} id
 *           The unique id for this text track cue
 *
 * @property {number} startTime
 *           The start time for this text track cue
 *
 * @property {number} endTime
 *           The end time for this text track cue
 *
 * @property {boolean} pauseOnExit
 *           Pause when the end time is reached if true.
 *
 * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#texttrackcue}
 */

/**
 * A List of TextTrackCues.
 *
 * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#texttrackcuelist}
 */

var TextTrackCueList = function () {

  /**
   * Create an instance of this class..
   *
   * @param {Array} cues
   *        A list of cues to be initialized with
   */
  function TextTrackCueList(cues) {
    classCallCheck(this, TextTrackCueList);

    var list = this; // eslint-disable-line

    if (IS_IE8) {
      list = document.createElement('custom');

      for (var prop in TextTrackCueList.prototype) {
        if (prop !== 'constructor') {
          list[prop] = TextTrackCueList.prototype[prop];
        }
      }
    }

    TextTrackCueList.prototype.setCues_.call(list, cues);

    /**
     * @memberof TextTrackCueList
     * @member {number} length
     *         The current number of `TextTrackCue`s in the TextTrackCueList.
     * @instance
     */
    Object.defineProperty(list, 'length', {
      get: function get$$1() {
        return this.length_;
      }
    });

    if (IS_IE8) {
      return list;
    }
  }

  /**
   * A setter for cues in this list. Creates getters
   * an an index for the cues.
   *
   * @param {Array} cues
   *        An array of cues to set
   *
   * @private
   */


  TextTrackCueList.prototype.setCues_ = function setCues_(cues) {
    var oldLength = this.length || 0;
    var i = 0;
    var l = cues.length;

    this.cues_ = cues;
    this.length_ = cues.length;

    var defineProp = function defineProp(index) {
      if (!('' + index in this)) {
        Object.defineProperty(this, '' + index, {
          get: function get$$1() {
            return this.cues_[index];
          }
        });
      }
    };

    if (oldLength < l) {
      i = oldLength;

      for (; i < l; i++) {
        defineProp.call(this, i);
      }
    }
  };

  /**
   * Get a `TextTrackCue` that is currently in the `TextTrackCueList` by id.
   *
   * @param {string} id
   *        The id of the cue that should be searched for.
   *
   * @return {TextTrackCueList~TextTrackCue|null}
   *         A single cue or null if none was found.
   */


  TextTrackCueList.prototype.getCueById = function getCueById(id) {
    var result = null;

    for (var i = 0, l = this.length; i < l; i++) {
      var cue = this[i];

      if (cue.id === id) {
        result = cue;
        break;
      }
    }

    return result;
  };

  return TextTrackCueList;
}();

/**
 * @file track-kinds.js
 */

/**
 * All possible `VideoTrackKind`s
 *
 * @see https://html.spec.whatwg.org/multipage/embedded-content.html#dom-videotrack-kind
 * @typedef VideoTrack~Kind
 * @enum
 */
var VideoTrackKind = {
  alternative: 'alternative',
  captions: 'captions',
  main: 'main',
  sign: 'sign',
  subtitles: 'subtitles',
  commentary: 'commentary'
};

/**
 * All possible `AudioTrackKind`s
 *
 * @see https://html.spec.whatwg.org/multipage/embedded-content.html#dom-audiotrack-kind
 * @typedef AudioTrack~Kind
 * @enum
 */
var AudioTrackKind = {
  'alternative': 'alternative',
  'descriptions': 'descriptions',
  'main': 'main',
  'main-desc': 'main-desc',
  'translation': 'translation',
  'commentary': 'commentary'
};

/**
 * All possible `TextTrackKind`s
 *
 * @see https://html.spec.whatwg.org/multipage/embedded-content.html#dom-texttrack-kind
 * @typedef TextTrack~Kind
 * @enum
 */
var TextTrackKind = {
  subtitles: 'subtitles',
  captions: 'captions',
  descriptions: 'descriptions',
  chapters: 'chapters',
  metadata: 'metadata'
};

/**
 * All possible `TextTrackMode`s
 *
 * @see https://html.spec.whatwg.org/multipage/embedded-content.html#texttrackmode
 * @typedef TextTrack~Mode
 * @enum
 */
var TextTrackMode = {
  disabled: 'disabled',
  hidden: 'hidden',
  showing: 'showing'
};

/**
 * @file track.js
 */
/**
 * A Track class that contains all of the common functionality for {@link AudioTrack},
 * {@link VideoTrack}, and {@link TextTrack}.
 *
 * > Note: This class should not be used directly
 *
 * @see {@link https://html.spec.whatwg.org/multipage/embedded-content.html}
 * @extends EventTarget
 * @abstract
 */

var Track = function (_EventTarget) {
  inherits(Track, _EventTarget);

  /**
   * Create an instance of this class.
   *
   * @param {Object} [options={}]
   *        Object of option names and values
   *
   * @param {string} [options.kind='']
   *        A valid kind for the track type you are creating.
   *
   * @param {string} [options.id='vjs_track_' + Guid.newGUID()]
   *        A unique id for this AudioTrack.
   *
   * @param {string} [options.label='']
   *        The menu label for this track.
   *
   * @param {string} [options.language='']
   *        A valid two character language code.
   *
   * @abstract
   */
  function Track() {
    var _ret;

    var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
    classCallCheck(this, Track);

    var _this = possibleConstructorReturn(this, _EventTarget.call(this));

    var track = _this; // eslint-disable-line

    if (IS_IE8) {
      track = document.createElement('custom');
      for (var prop in Track.prototype) {
        if (prop !== 'constructor') {
          track[prop] = Track.prototype[prop];
        }
      }
    }

    var trackProps = {
      id: options.id || 'vjs_track_' + newGUID(),
      kind: options.kind || '',
      label: options.label || '',
      language: options.language || ''
    };

    /**
     * @memberof Track
     * @member {string} id
     *         The id of this track. Cannot be changed after creation.
     * @instance
     *
     * @readonly
     */

    /**
     * @memberof Track
     * @member {string} kind
     *         The kind of track that this is. Cannot be changed after creation.
     * @instance
     *
     * @readonly
     */

    /**
     * @memberof Track
     * @member {string} label
     *         The label of this track. Cannot be changed after creation.
     * @instance
     *
     * @readonly
     */

    /**
     * @memberof Track
     * @member {string} language
     *         The two letter language code for this track. Cannot be changed after
     *         creation.
     * @instance
     *
     * @readonly
     */

    var _loop = function _loop(key) {
      Object.defineProperty(track, key, {
        get: function get$$1() {
          return trackProps[key];
        },
        set: function set$$1() {}
      });
    };

    for (var key in trackProps) {
      _loop(key);
    }

    return _ret = track, possibleConstructorReturn(_this, _ret);
  }

  return Track;
}(EventTarget);

/**
 * @file url.js
 * @module url
 */
/**
 * @typedef {Object} url:URLObject
 *
 * @property {string} protocol
 *           The protocol of the url that was parsed.
 *
 * @property {string} hostname
 *           The hostname of the url that was parsed.
 *
 * @property {string} port
 *           The port of the url that was parsed.
 *
 * @property {string} pathname
 *           The pathname of the url that was parsed.
 *
 * @property {string} search
 *           The search query of the url that was parsed.
 *
 * @property {string} hash
 *           The hash of the url that was parsed.
 *
 * @property {string} host
 *           The host of the url that was parsed.
 */

/**
 * Resolve and parse the elements of a URL.
 *
 * @param  {String} url
 *         The url to parse
 *
 * @return {url:URLObject}
 *         An object of url details
 */
var parseUrl = function parseUrl(url) {
  var props = ['protocol', 'hostname', 'port', 'pathname', 'search', 'hash', 'host'];

  // add the url to an anchor and let the browser parse the URL
  var a = document.createElement('a');

  a.href = url;

  // IE8 (and 9?) Fix
  // ie8 doesn't parse the URL correctly until the anchor is actually
  // added to the body, and an innerHTML is needed to trigger the parsing
  var addToBody = a.host === '' && a.protocol !== 'file:';
  var div = void 0;

  if (addToBody) {
    div = document.createElement('div');
    div.innerHTML = '<a href="' + url + '"></a>';
    a = div.firstChild;
    // prevent the div from affecting layout
    div.setAttribute('style', 'display:none; position:absolute;');
    document.body.appendChild(div);
  }

  // Copy the specific URL properties to a new object
  // This is also needed for IE8 because the anchor loses its
  // properties when it's removed from the dom
  var details = {};

  for (var i = 0; i < props.length; i++) {
    details[props[i]] = a[props[i]];
  }

  // IE9 adds the port to the host property unlike everyone else. If
  // a port identifier is added for standard ports, strip it.
  if (details.protocol === 'http:') {
    details.host = details.host.replace(/:80$/, '');
  }

  if (details.protocol === 'https:') {
    details.host = details.host.replace(/:443$/, '');
  }

  if (!details.protocol) {
    details.protocol = window.location.protocol;
  }

  if (addToBody) {
    document.body.removeChild(div);
  }

  return details;
};

/**
 * Get absolute version of relative URL. Used to tell flash correct URL.
 *
 *
 * @param  {string} url
 *         URL to make absolute
 *
 * @return {string}
 *         Absolute URL
 *
 * @see http://stackoverflow.com/questions/470832/getting-an-absolute-url-from-a-relative-one-ie6-issue
 */
var getAbsoluteURL = function getAbsoluteURL(url) {
  // Check if absolute URL
  if (!url.match(/^https?:\/\//)) {
    // Convert to absolute URL. Flash hosted off-site needs an absolute URL.
    var div = document.createElement('div');

    div.innerHTML = '<a href="' + url + '">x</a>';
    url = div.firstChild.href;
  }

  return url;
};

/**
 * Returns the extension of the passed file name. It will return an empty string
 * if passed an invalid path.
 *
 * @param {string} path
 *        The fileName path like '/path/to/file.mp4'
 *
 * @returns {string}
 *          The extension in lower case or an empty string if no
 *          extension could be found.
 */
var getFileExtension = function getFileExtension(path) {
  if (typeof path === 'string') {
    var splitPathRe = /^(\/?)([\s\S]*?)((?:\.{1,2}|[^\/]+?)(\.([^\.\/\?]+)))(?:[\/]*|[\?].*)$/i;
    var pathParts = splitPathRe.exec(path);

    if (pathParts) {
      return pathParts.pop().toLowerCase();
    }
  }

  return '';
};

/**
 * Returns whether the url passed is a cross domain request or not.
 *
 * @param {string} url
 *        The url to check.
 *
 * @return {boolean}
 *         Whether it is a cross domain request or not.
 */
var isCrossOrigin = function isCrossOrigin(url) {
  var winLoc = window.location;
  var urlInfo = parseUrl(url);

  // IE8 protocol relative urls will return ':' for protocol
  var srcProtocol = urlInfo.protocol === ':' ? winLoc.protocol : urlInfo.protocol;

  // Check if url is for another domain/origin
  // IE8 doesn't know location.origin, so we won't rely on it here
  var crossOrigin = srcProtocol + urlInfo.host !== winLoc.protocol + winLoc.host;

  return crossOrigin;
};

var Url = (Object.freeze || Object)({
	parseUrl: parseUrl,
	getAbsoluteURL: getAbsoluteURL,
	getFileExtension: getFileExtension,
	isCrossOrigin: isCrossOrigin
});

/**
 * @file text-track.js
 */
/**
 * Takes a webvtt file contents and parses it into cues
 *
 * @param {string} srcContent
 *        webVTT file contents
 *
 * @param {TextTrack} track
 *        TextTrack to add cues to. Cues come from the srcContent.
 *
 * @private
 */
var parseCues = function parseCues(srcContent, track) {
  var parser = new window.WebVTT.Parser(window, window.vttjs, window.WebVTT.StringDecoder());
  var errors = [];

  parser.oncue = function (cue) {
    track.addCue(cue);
  };

  parser.onparsingerror = function (error) {
    errors.push(error);
  };

  parser.onflush = function () {
    track.trigger({
      type: 'loadeddata',
      target: track
    });
  };

  parser.parse(srcContent);
  if (errors.length > 0) {
    if (window.console && window.console.groupCollapsed) {
      window.console.groupCollapsed('Text Track parsing errors for ' + track.src);
    }
    errors.forEach(function (error) {
      return log.error(error);
    });
    if (window.console && window.console.groupEnd) {
      window.console.groupEnd();
    }
  }

  parser.flush();
};

/**
 * Load a `TextTrack` from a specifed url.
 *
 * @param {string} src
 *        Url to load track from.
 *
 * @param {TextTrack} track
 *        Track to add cues to. Comes from the content at the end of `url`.
 *
 * @private
 */
var loadTrack = function loadTrack(src, track) {
  var opts = {
    uri: src
  };
  var crossOrigin = isCrossOrigin(src);

  if (crossOrigin) {
    opts.cors = crossOrigin;
  }

  xhr(opts, bind(this, function (err, response, responseBody) {
    if (err) {
      return log.error(err, response);
    }

    track.loaded_ = true;

    // Make sure that vttjs has loaded, otherwise, wait till it finished loading
    // NOTE: this is only used for the alt/video.novtt.js build
    if (typeof window.WebVTT !== 'function') {
      if (track.tech_) {
        var loadHandler = function loadHandler() {
          return parseCues(responseBody, track);
        };

        track.tech_.on('vttjsloaded', loadHandler);
        track.tech_.on('vttjserror', function () {
          log.error('vttjs failed to load, stopping trying to process ' + track.src);
          track.tech_.off('vttjsloaded', loadHandler);
        });
      }
    } else {
      parseCues(responseBody, track);
    }
  }));
};

/**
 * A representation of a single `TextTrack`.
 *
 * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#texttrack}
 * @extends Track
 */

var TextTrack = function (_Track) {
  inherits(TextTrack, _Track);

  /**
   * Create an instance of this class.
   *
   * @param {Object} options={}
   *        Object of option names and values
   *
   * @param {Tech} options.tech
   *        A reference to the tech that owns this TextTrack.
   *
   * @param {TextTrack~Kind} [options.kind='subtitles']
   *        A valid text track kind.
   *
   * @param {TextTrack~Mode} [options.mode='disabled']
   *        A valid text track mode.
   *
   * @param {string} [options.id='vjs_track_' + Guid.newGUID()]
   *        A unique id for this TextTrack.
   *
   * @param {string} [options.label='']
   *        The menu label for this track.
   *
   * @param {string} [options.language='']
   *        A valid two character language code.
   *
   * @param {string} [options.srclang='']
   *        A valid two character language code. An alternative, but deprioritized
   *        vesion of `options.language`
   *
   * @param {string} [options.src]
   *        A url to TextTrack cues.
   *
   * @param {boolean} [options.default]
   *        If this track should default to on or off.
   */
  function TextTrack() {
    var _this, _ret;

    var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
    classCallCheck(this, TextTrack);

    if (!options.tech) {
      throw new Error('A tech was not provided.');
    }

    var settings = mergeOptions(options, {
      kind: TextTrackKind[options.kind] || 'subtitles',
      language: options.language || options.srclang || ''
    });
    var mode = TextTrackMode[settings.mode] || 'disabled';
    var default_ = settings['default'];

    if (settings.kind === 'metadata' || settings.kind === 'chapters') {
      mode = 'hidden';
    }
    // on IE8 this will be a document element
    // for every other browser this will be a normal object
    var tt = (_this = possibleConstructorReturn(this, _Track.call(this, settings)), _this);

    tt.tech_ = settings.tech;

    if (IS_IE8) {
      for (var prop in TextTrack.prototype) {
        if (prop !== 'constructor') {
          tt[prop] = TextTrack.prototype[prop];
        }
      }
    }

    tt.cues_ = [];
    tt.activeCues_ = [];

    var cues = new TextTrackCueList(tt.cues_);
    var activeCues = new TextTrackCueList(tt.activeCues_);
    var changed = false;
    var timeupdateHandler = bind(tt, function () {

      // Accessing this.activeCues for the side-effects of updating itself
      // due to it's nature as a getter function. Do not remove or cues will
      // stop updating!
      // Use the setter to prevent deletion from uglify (pure_getters rule)
      this.activeCues = this.activeCues;
      if (changed) {
        this.trigger('cuechange');
        changed = false;
      }
    });

    if (mode !== 'disabled') {
      tt.tech_.ready(function () {
        tt.tech_.on('timeupdate', timeupdateHandler);
      }, true);
    }

    /**
     * @memberof TextTrack
     * @member {boolean} default
     *         If this track was set to be on or off by default. Cannot be changed after
     *         creation.
     * @instance
     *
     * @readonly
     */
    Object.defineProperty(tt, 'default', {
      get: function get$$1() {
        return default_;
      },
      set: function set$$1() {}
    });

    /**
     * @memberof TextTrack
     * @member {string} mode
     *         Set the mode of this TextTrack to a valid {@link TextTrack~Mode}. Will
     *         not be set if setting to an invalid mode.
     * @instance
     *
     * @fires TextTrack#modechange
     */
    Object.defineProperty(tt, 'mode', {
      get: function get$$1() {
        return mode;
      },
      set: function set$$1(newMode) {
        var _this2 = this;

        if (!TextTrackMode[newMode]) {
          return;
        }
        mode = newMode;
        if (mode !== 'disabled') {

          this.tech_.ready(function () {
            _this2.tech_.on('timeupdate', timeupdateHandler);
          }, true);
        } else {
          this.tech_.off('timeupdate', timeupdateHandler);
        }
        /**
         * An event that fires when mode changes on this track. This allows
         * the TextTrackList that holds this track to act accordingly.
         *
         * > Note: This is not part of the spec!
         *
         * @event TextTrack#modechange
         * @type {EventTarget~Event}
         */
        this.trigger('modechange');
      }
    });

    /**
     * @memberof TextTrack
     * @member {TextTrackCueList} cues
     *         The text track cue list for this TextTrack.
     * @instance
     */
    Object.defineProperty(tt, 'cues', {
      get: function get$$1() {
        if (!this.loaded_) {
          return null;
        }

        return cues;
      },
      set: function set$$1() {}
    });

    /**
     * @memberof TextTrack
     * @member {TextTrackCueList} activeCues
     *         The list text track cues that are currently active for this TextTrack.
     * @instance
     */
    Object.defineProperty(tt, 'activeCues', {
      get: function get$$1() {
        if (!this.loaded_) {
          return null;
        }

        // nothing to do
        if (this.cues.length === 0) {
          return activeCues;
        }

        var ct = this.tech_.currentTime();
        var active = [];

        for (var i = 0, l = this.cues.length; i < l; i++) {
          var cue = this.cues[i];

          if (cue.startTime <= ct && cue.endTime >= ct) {
            active.push(cue);
          } else if (cue.startTime === cue.endTime && cue.startTime <= ct && cue.startTime + 0.5 >= ct) {
            active.push(cue);
          }
        }

        changed = false;

        if (active.length !== this.activeCues_.length) {
          changed = true;
        } else {
          for (var _i = 0; _i < active.length; _i++) {
            if (this.activeCues_.indexOf(active[_i]) === -1) {
              changed = true;
            }
          }
        }

        this.activeCues_ = active;
        activeCues.setCues_(this.activeCues_);

        return activeCues;
      },


      // /!\ Keep this setter empty (see the timeupdate handler above)
      set: function set$$1() {}
    });

    if (settings.src) {
      tt.src = settings.src;
      loadTrack(settings.src, tt);
    } else {
      tt.loaded_ = true;
    }

    return _ret = tt, possibleConstructorReturn(_this, _ret);
  }

  /**
   * Add a cue to the internal list of cues.
   *
   * @param {TextTrack~Cue} cue
   *        The cue to add to our internal list
   */


  TextTrack.prototype.addCue = function addCue(originalCue) {
    var cue = originalCue;

    if (window.vttjs && !(originalCue instanceof window.vttjs.VTTCue)) {
      cue = new window.vttjs.VTTCue(originalCue.startTime, originalCue.endTime, originalCue.text);

      for (var prop in originalCue) {
        if (!(prop in cue)) {
          cue[prop] = originalCue[prop];
        }
      }

      // make sure that `id` is copied over
      cue.id = originalCue.id;
      cue.originalCue_ = originalCue;
    }

    var tracks = this.tech_.textTracks();

    for (var i = 0; i < tracks.length; i++) {
      if (tracks[i] !== this) {
        tracks[i].removeCue(cue);
      }
    }

    this.cues_.push(cue);
    this.cues.setCues_(this.cues_);
  };

  /**
   * Remove a cue from our internal list
   *
   * @param {TextTrack~Cue} removeCue
   *        The cue to remove from our internal list
   */


  TextTrack.prototype.removeCue = function removeCue(_removeCue) {
    var i = this.cues_.length;

    while (i--) {
      var cue = this.cues_[i];

      if (cue === _removeCue || cue.originalCue_ && cue.originalCue_ === _removeCue) {
        this.cues_.splice(i, 1);
        this.cues.setCues_(this.cues_);
        break;
      }
    }
  };

  return TextTrack;
}(Track);

/**
 * cuechange - One or more cues in the track have become active or stopped being active.
 */


TextTrack.prototype.allowedEvents_ = {
  cuechange: 'cuechange'
};

/**
 * A representation of a single `AudioTrack`. If it is part of an {@link AudioTrackList}
 * only one `AudioTrack` in the list will be enabled at a time.
 *
 * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#audiotrack}
 * @extends Track
 */

var AudioTrack = function (_Track) {
  inherits(AudioTrack, _Track);

  /**
   * Create an instance of this class.
   *
   * @param {Object} [options={}]
   *        Object of option names and values
   *
   * @param {AudioTrack~Kind} [options.kind='']
   *        A valid audio track kind
   *
   * @param {string} [options.id='vjs_track_' + Guid.newGUID()]
   *        A unique id for this AudioTrack.
   *
   * @param {string} [options.label='']
   *        The menu label for this track.
   *
   * @param {string} [options.language='']
   *        A valid two character language code.
   *
   * @param {boolean} [options.enabled]
   *        If this track is the one that is currently playing. If this track is part of
   *        an {@link AudioTrackList}, only one {@link AudioTrack} will be enabled.
   */
  function AudioTrack() {
    var _this, _ret;

    var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
    classCallCheck(this, AudioTrack);

    var settings = mergeOptions(options, {
      kind: AudioTrackKind[options.kind] || ''
    });
    // on IE8 this will be a document element
    // for every other browser this will be a normal object
    var track = (_this = possibleConstructorReturn(this, _Track.call(this, settings)), _this);
    var enabled = false;

    if (IS_IE8) {
      for (var prop in AudioTrack.prototype) {
        if (prop !== 'constructor') {
          track[prop] = AudioTrack.prototype[prop];
        }
      }
    }
    /**
     * @memberof AudioTrack
     * @member {boolean} enabled
     *         If this `AudioTrack` is enabled or not. When setting this will
     *         fire {@link AudioTrack#enabledchange} if the state of enabled is changed.
     * @instance
     *
     * @fires VideoTrack#selectedchange
     */
    Object.defineProperty(track, 'enabled', {
      get: function get$$1() {
        return enabled;
      },
      set: function set$$1(newEnabled) {
        // an invalid or unchanged value
        if (typeof newEnabled !== 'boolean' || newEnabled === enabled) {
          return;
        }
        enabled = newEnabled;

        /**
         * An event that fires when enabled changes on this track. This allows
         * the AudioTrackList that holds this track to act accordingly.
         *
         * > Note: This is not part of the spec! Native tracks will do
         *         this internally without an event.
         *
         * @event AudioTrack#enabledchange
         * @type {EventTarget~Event}
         */
        this.trigger('enabledchange');
      }
    });

    // if the user sets this track to selected then
    // set selected to that true value otherwise
    // we keep it false
    if (settings.enabled) {
      track.enabled = settings.enabled;
    }
    track.loaded_ = true;

    return _ret = track, possibleConstructorReturn(_this, _ret);
  }

  return AudioTrack;
}(Track);

/**
 * A representation of a single `VideoTrack`.
 *
 * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#videotrack}
 * @extends Track
 */

var VideoTrack = function (_Track) {
  inherits(VideoTrack, _Track);

  /**
   * Create an instance of this class.
   *
   * @param {Object} [options={}]
   *        Object of option names and values
   *
   * @param {string} [options.kind='']
   *        A valid {@link VideoTrack~Kind}
   *
   * @param {string} [options.id='vjs_track_' + Guid.newGUID()]
   *        A unique id for this AudioTrack.
   *
   * @param {string} [options.label='']
   *        The menu label for this track.
   *
   * @param {string} [options.language='']
   *        A valid two character language code.
   *
   * @param {boolean} [options.selected]
   *        If this track is the one that is currently playing.
   */
  function VideoTrack() {
    var _this, _ret;

    var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
    classCallCheck(this, VideoTrack);

    var settings = mergeOptions(options, {
      kind: VideoTrackKind[options.kind] || ''
    });

    // on IE8 this will be a document element
    // for every other browser this will be a normal object
    var track = (_this = possibleConstructorReturn(this, _Track.call(this, settings)), _this);
    var selected = false;

    if (IS_IE8) {
      for (var prop in VideoTrack.prototype) {
        if (prop !== 'constructor') {
          track[prop] = VideoTrack.prototype[prop];
        }
      }
    }

    /**
     * @memberof VideoTrack
     * @member {boolean} selected
     *         If this `VideoTrack` is selected or not. When setting this will
     *         fire {@link VideoTrack#selectedchange} if the state of selected changed.
     * @instance
     *
     * @fires VideoTrack#selectedchange
     */
    Object.defineProperty(track, 'selected', {
      get: function get$$1() {
        return selected;
      },
      set: function set$$1(newSelected) {
        // an invalid or unchanged value
        if (typeof newSelected !== 'boolean' || newSelected === selected) {
          return;
        }
        selected = newSelected;

        /**
         * An event that fires when selected changes on this track. This allows
         * the VideoTrackList that holds this track to act accordingly.
         *
         * > Note: This is not part of the spec! Native tracks will do
         *         this internally without an event.
         *
         * @event VideoTrack#selectedchange
         * @type {EventTarget~Event}
         */
        this.trigger('selectedchange');
      }
    });

    // if the user sets this track to selected then
    // set selected to that true value otherwise
    // we keep it false
    if (settings.selected) {
      track.selected = settings.selected;
    }

    return _ret = track, possibleConstructorReturn(_this, _ret);
  }

  return VideoTrack;
}(Track);

/**
 * @file html-track-element.js
 */

/**
 * @memberof HTMLTrackElement
 * @typedef {HTMLTrackElement~ReadyState}
 * @enum {number}
 */
var NONE = 0;
var LOADING = 1;
var LOADED = 2;
var ERROR = 3;

/**
 * A single track represented in the DOM.
 *
 * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#htmltrackelement}
 * @extends EventTarget
 */

var HTMLTrackElement = function (_EventTarget) {
  inherits(HTMLTrackElement, _EventTarget);

  /**
   * Create an instance of this class.
   *
   * @param {Object} options={}
   *        Object of option names and values
   *
   * @param {Tech} options.tech
   *        A reference to the tech that owns this HTMLTrackElement.
   *
   * @param {TextTrack~Kind} [options.kind='subtitles']
   *        A valid text track kind.
   *
   * @param {TextTrack~Mode} [options.mode='disabled']
   *        A valid text track mode.
   *
   * @param {string} [options.id='vjs_track_' + Guid.newGUID()]
   *        A unique id for this TextTrack.
   *
   * @param {string} [options.label='']
   *        The menu label for this track.
   *
   * @param {string} [options.language='']
   *        A valid two character language code.
   *
   * @param {string} [options.srclang='']
   *        A valid two character language code. An alternative, but deprioritized
   *        vesion of `options.language`
   *
   * @param {string} [options.src]
   *        A url to TextTrack cues.
   *
   * @param {boolean} [options.default]
   *        If this track should default to on or off.
   */
  function HTMLTrackElement() {
    var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
    classCallCheck(this, HTMLTrackElement);

    var _this = possibleConstructorReturn(this, _EventTarget.call(this));

    var readyState = void 0;
    var trackElement = _this; // eslint-disable-line

    if (IS_IE8) {
      trackElement = document.createElement('custom');

      for (var prop in HTMLTrackElement.prototype) {
        if (prop !== 'constructor') {
          trackElement[prop] = HTMLTrackElement.prototype[prop];
        }
      }
    }

    var track = new TextTrack(options);

    trackElement.kind = track.kind;
    trackElement.src = track.src;
    trackElement.srclang = track.language;
    trackElement.label = track.label;
    trackElement['default'] = track['default'];

    /**
     * @memberof HTMLTrackElement
     * @member {HTMLTrackElement~ReadyState} readyState
     *         The current ready state of the track element.
     * @instance
     */
    Object.defineProperty(trackElement, 'readyState', {
      get: function get$$1() {
        return readyState;
      }
    });

    /**
     * @memberof HTMLTrackElement
     * @member {TextTrack} track
     *         The underlying TextTrack object.
     * @instance
     *
     */
    Object.defineProperty(trackElement, 'track', {
      get: function get$$1() {
        return track;
      }
    });

    readyState = NONE;

    /**
     * @listens TextTrack#loadeddata
     * @fires HTMLTrackElement#load
     */
    track.addEventListener('loadeddata', function () {
      readyState = LOADED;

      trackElement.trigger({
        type: 'load',
        target: trackElement
      });
    });

    if (IS_IE8) {
      var _ret;

      return _ret = trackElement, possibleConstructorReturn(_this, _ret);
    }
    return _this;
  }

  return HTMLTrackElement;
}(EventTarget);

HTMLTrackElement.prototype.allowedEvents_ = {
  load: 'load'
};

HTMLTrackElement.NONE = NONE;
HTMLTrackElement.LOADING = LOADING;
HTMLTrackElement.LOADED = LOADED;
HTMLTrackElement.ERROR = ERROR;

/*
 * This file contains all track properties that are used in
 * player.js, tech.js, html5.js and possibly other techs in the future.
 */

var NORMAL = {
  audio: {
    ListClass: AudioTrackList,
    TrackClass: AudioTrack,
    capitalName: 'Audio'
  },
  video: {
    ListClass: VideoTrackList,
    TrackClass: VideoTrack,
    capitalName: 'Video'
  },
  text: {
    ListClass: TextTrackList,
    TrackClass: TextTrack,
    capitalName: 'Text'
  }
};

Object.keys(NORMAL).forEach(function (type) {
  NORMAL[type].getterName = type + 'Tracks';
  NORMAL[type].privateName = type + 'Tracks_';
});

var REMOTE = {
  remoteText: {
    ListClass: TextTrackList,
    TrackClass: TextTrack,
    capitalName: 'RemoteText',
    getterName: 'remoteTextTracks',
    privateName: 'remoteTextTracks_'
  },
  remoteTextEl: {
    ListClass: HtmlTrackElementList,
    TrackClass: HTMLTrackElement,
    capitalName: 'RemoteTextTrackEls',
    getterName: 'remoteTextTrackEls',
    privateName: 'remoteTextTrackEls_'
  }
};

var ALL = mergeOptions(NORMAL, REMOTE);

REMOTE.names = Object.keys(REMOTE);
NORMAL.names = Object.keys(NORMAL);
ALL.names = [].concat(REMOTE.names).concat(NORMAL.names);

/**
 * @file tech.js
 */

/**
 * An Object containing a structure like: `{src: 'url', type: 'mimetype'}` or string
 * that just contains the src url alone.
 * * `var SourceObject = {src: 'http://ex.com/video.mp4', type: 'video/mp4'};`
   * `var SourceString = 'http://example.com/some-video.mp4';`
 *
 * @typedef {Object|string} Tech~SourceObject
 *
 * @property {string} src
 *           The url to the source
 *
 * @property {string} type
 *           The mime type of the source
 */

/**
 * A function used by {@link Tech} to create a new {@link TextTrack}.
 *
 * @private
 *
 * @param {Tech} self
 *        An instance of the Tech class.
 *
 * @param {string} kind
 *        `TextTrack` kind (subtitles, captions, descriptions, chapters, or metadata)
 *
 * @param {string} [label]
 *        Label to identify the text track
 *
 * @param {string} [language]
 *        Two letter language abbreviation
 *
 * @param {Object} [options={}]
 *        An object with additional text track options
 *
 * @return {TextTrack}
 *          The text track that was created.
 */
function createTrackHelper(self, kind, label, language) {
  var options = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : {};

  var tracks = self.textTracks();

  options.kind = kind;

  if (label) {
    options.label = label;
  }
  if (language) {
    options.language = language;
  }
  options.tech = self;

  var track = new ALL.text.TrackClass(options);

  tracks.addTrack(track);

  return track;
}

/**
 * This is the base class for media playback technology controllers, such as
 * {@link Flash} and {@link HTML5}
 *
 * @extends Component
 */

var Tech = function (_Component) {
  inherits(Tech, _Component);

  /**
   * Create an instance of this Tech.
   *
   * @param {Object} [options]
   *        The key/value store of player options.
   *
   * @param {Component~ReadyCallback} ready
   *        Callback function to call when the `HTML5` Tech is ready.
   */
  function Tech() {
    var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
    var ready = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : function () {};
    classCallCheck(this, Tech);

    // we don't want the tech to report user activity automatically.
    // This is done manually in addControlsListeners
    options.reportTouchActivity = false;

    // keep track of whether the current source has played at all to
    // implement a very limited played()
    var _this = possibleConstructorReturn(this, _Component.call(this, null, options, ready));

    _this.hasStarted_ = false;
    _this.on('playing', function () {
      this.hasStarted_ = true;
    });
    _this.on('loadstart', function () {
      this.hasStarted_ = false;
    });

    ALL.names.forEach(function (name) {
      var props = ALL[name];

      if (options && options[props.getterName]) {
        _this[props.privateName] = options[props.getterName];
      }
    });

    // Manually track progress in cases where the browser/flash player doesn't report it.
    if (!_this.featuresProgressEvents) {
      _this.manualProgressOn();
    }

    // Manually track timeupdates in cases where the browser/flash player doesn't report it.
    if (!_this.featuresTimeupdateEvents) {
      _this.manualTimeUpdatesOn();
    }

    ['Text', 'Audio', 'Video'].forEach(function (track) {
      if (options['native' + track + 'Tracks'] === false) {
        _this['featuresNative' + track + 'Tracks'] = false;
      }
    });

    if (options.nativeCaptions === false || options.nativeTextTracks === false) {
      _this.featuresNativeTextTracks = false;
    } else if (options.nativeCaptions === true || options.nativeTextTracks === true) {
      _this.featuresNativeTextTracks = true;
    }

    if (!_this.featuresNativeTextTracks) {
      _this.emulateTextTracks();
    }

    _this.autoRemoteTextTracks_ = new ALL.text.ListClass();

    _this.initTrackListeners();

    // Turn on component tap events only if not using native controls
    if (!options.nativeControlsForTouch) {
      _this.emitTapEvents();
    }

    if (_this.constructor) {
      _this.name_ = _this.constructor.name || 'Unknown Tech';
    }
    return _this;
  }

  /**
   * A special function to trigger source set in a way that will allow player
   * to re-trigger if the player or tech are not ready yet.
   *
   * @fires Tech#sourceset
   * @param {string} src The source string at the time of the source changing.
   */


  Tech.prototype.triggerSourceset = function triggerSourceset(src) {
    var _this2 = this;

    if (!this.isReady_) {
      // on initial ready we have to trigger source set
      // 1ms after ready so that player can watch for it.
      this.one('ready', function () {
        return _this2.setTimeout(function () {
          return _this2.triggerSourceset(src);
        }, 1);
      });
    }

    /**
     * Fired when the source is set on the tech causing the media element
     * to reload.
     *
     * @see {@link Player#event:sourceset}
     * @event Tech#sourceset
     * @type {EventTarget~Event}
     */
    this.trigger({
      src: src,
      type: 'sourceset'
    });
  };

  /* Fallbacks for unsupported event types
  ================================================================================ */

  /**
   * Polyfill the `progress` event for browsers that don't support it natively.
   *
   * @see {@link Tech#trackProgress}
   */


  Tech.prototype.manualProgressOn = function manualProgressOn() {
    this.on('durationchange', this.onDurationChange);

    this.manualProgress = true;

    // Trigger progress watching when a source begins loading
    this.one('ready', this.trackProgress);
  };

  /**
   * Turn off the polyfill for `progress` events that was created in
   * {@link Tech#manualProgressOn}
   */


  Tech.prototype.manualProgressOff = function manualProgressOff() {
    this.manualProgress = false;
    this.stopTrackingProgress();

    this.off('durationchange', this.onDurationChange);
  };

  /**
   * This is used to trigger a `progress` event when the buffered percent changes. It
   * sets an interval function that will be called every 500 milliseconds to check if the
   * buffer end percent has changed.
   *
   * > This function is called by {@link Tech#manualProgressOn}
   *
   * @param {EventTarget~Event} event
   *        The `ready` event that caused this to run.
   *
   * @listens Tech#ready
   * @fires Tech#progress
   */


  Tech.prototype.trackProgress = function trackProgress(event) {
    this.stopTrackingProgress();
    this.progressInterval = this.setInterval(bind(this, function () {
      // Don't trigger unless buffered amount is greater than last time

      var numBufferedPercent = this.bufferedPercent();

      if (this.bufferedPercent_ !== numBufferedPercent) {
        /**
         * See {@link Player#progress}
         *
         * @event Tech#progress
         * @type {EventTarget~Event}
         */
        this.trigger('progress');
      }

      this.bufferedPercent_ = numBufferedPercent;

      if (numBufferedPercent === 1) {
        this.stopTrackingProgress();
      }
    }), 500);
  };

  /**
   * Update our internal duration on a `durationchange` event by calling
   * {@link Tech#duration}.
   *
   * @param {EventTarget~Event} event
   *        The `durationchange` event that caused this to run.
   *
   * @listens Tech#durationchange
   */


  Tech.prototype.onDurationChange = function onDurationChange(event) {
    this.duration_ = this.duration();
  };

  /**
   * Get and create a `TimeRange` object for buffering.
   *
   * @return {TimeRange}
   *         The time range object that was created.
   */


  Tech.prototype.buffered = function buffered() {
    return createTimeRanges(0, 0);
  };

  /**
   * Get the percentage of the current video that is currently buffered.
   *
   * @return {number}
   *         A number from 0 to 1 that represents the decimal percentage of the
   *         video that is buffered.
   *
   */


  Tech.prototype.bufferedPercent = function bufferedPercent$$1() {
    return bufferedPercent(this.buffered(), this.duration_);
  };

  /**
   * Turn off the polyfill for `progress` events that was created in
   * {@link Tech#manualProgressOn}
   * Stop manually tracking progress events by clearing the interval that was set in
   * {@link Tech#trackProgress}.
   */


  Tech.prototype.stopTrackingProgress = function stopTrackingProgress() {
    this.clearInterval(this.progressInterval);
  };

  /**
   * Polyfill the `timeupdate` event for browsers that don't support it.
   *
   * @see {@link Tech#trackCurrentTime}
   */


  Tech.prototype.manualTimeUpdatesOn = function manualTimeUpdatesOn() {
    this.manualTimeUpdates = true;

    this.on('play', this.trackCurrentTime);
    this.on('pause', this.stopTrackingCurrentTime);
  };

  /**
   * Turn off the polyfill for `timeupdate` events that was created in
   * {@link Tech#manualTimeUpdatesOn}
   */


  Tech.prototype.manualTimeUpdatesOff = function manualTimeUpdatesOff() {
    this.manualTimeUpdates = false;
    this.stopTrackingCurrentTime();
    this.off('play', this.trackCurrentTime);
    this.off('pause', this.stopTrackingCurrentTime);
  };

  /**
   * Sets up an interval function to track current time and trigger `timeupdate` every
   * 250 milliseconds.
   *
   * @listens Tech#play
   * @triggers Tech#timeupdate
   */


  Tech.prototype.trackCurrentTime = function trackCurrentTime() {
    if (this.currentTimeInterval) {
      this.stopTrackingCurrentTime();
    }
    this.currentTimeInterval = this.setInterval(function () {
      /**
       * Triggered at an interval of 250ms to indicated that time is passing in the video.
       *
       * @event Tech#timeupdate
       * @type {EventTarget~Event}
       */
      this.trigger({ type: 'timeupdate', target: this, manuallyTriggered: true });

      // 42 = 24 fps // 250 is what Webkit uses // FF uses 15
    }, 250);
  };

  /**
   * Stop the interval function created in {@link Tech#trackCurrentTime} so that the
   * `timeupdate` event is no longer triggered.
   *
   * @listens {Tech#pause}
   */


  Tech.prototype.stopTrackingCurrentTime = function stopTrackingCurrentTime() {
    this.clearInterval(this.currentTimeInterval);

    // #1002 - if the video ends right before the next timeupdate would happen,
    // the progress bar won't make it all the way to the end
    this.trigger({ type: 'timeupdate', target: this, manuallyTriggered: true });
  };

  /**
   * Turn off all event polyfills, clear the `Tech`s {@link AudioTrackList},
   * {@link VideoTrackList}, and {@link TextTrackList}, and dispose of this Tech.
   *
   * @fires Component#dispose
   */


  Tech.prototype.dispose = function dispose() {

    // clear out all tracks because we can't reuse them between techs
    this.clearTracks(NORMAL.names);

    // Turn off any manual progress or timeupdate tracking
    if (this.manualProgress) {
      this.manualProgressOff();
    }

    if (this.manualTimeUpdates) {
      this.manualTimeUpdatesOff();
    }

    _Component.prototype.dispose.call(this);
  };

  /**
   * Clear out a single `TrackList` or an array of `TrackLists` given their names.
   *
   * > Note: Techs without source handlers should call this between sources for `video`
   *         & `audio` tracks. You don't want to use them between tracks!
   *
   * @param {string[]|string} types
   *        TrackList names to clear, valid names are `video`, `audio`, and
   *        `text`.
   */


  Tech.prototype.clearTracks = function clearTracks(types) {
    var _this3 = this;

    types = [].concat(types);
    // clear out all tracks because we can't reuse them between techs
    types.forEach(function (type) {
      var list = _this3[type + 'Tracks']() || [];
      var i = list.length;

      while (i--) {
        var track = list[i];

        if (type === 'text') {
          _this3.removeRemoteTextTrack(track);
        }
        list.removeTrack(track);
      }
    });
  };

  /**
   * Remove any TextTracks added via addRemoteTextTrack that are
   * flagged for automatic garbage collection
   */


  Tech.prototype.cleanupAutoTextTracks = function cleanupAutoTextTracks() {
    var list = this.autoRemoteTextTracks_ || [];
    var i = list.length;

    while (i--) {
      var track = list[i];

      this.removeRemoteTextTrack(track);
    }
  };

  /**
   * Reset the tech, which will removes all sources and reset the internal readyState.
   *
   * @abstract
   */


  Tech.prototype.reset = function reset() {};

  /**
   * Get or set an error on the Tech.
   *
   * @param {MediaError} [err]
   *        Error to set on the Tech
   *
   * @return {MediaError|null}
   *         The current error object on the tech, or null if there isn't one.
   */


  Tech.prototype.error = function error(err) {
    if (err !== undefined) {
      this.error_ = new MediaError(err);
      this.trigger('error');
    }
    return this.error_;
  };

  /**
   * Returns the `TimeRange`s that have been played through for the current source.
   *
   * > NOTE: This implementation is incomplete. It does not track the played `TimeRange`.
   *         It only checks wether the source has played at all or not.
   *
   * @return {TimeRange}
   *         - A single time range if this video has played
   *         - An empty set of ranges if not.
   */


  Tech.prototype.played = function played() {
    if (this.hasStarted_) {
      return createTimeRanges(0, 0);
    }
    return createTimeRanges();
  };

  /**
   * Causes a manual time update to occur if {@link Tech#manualTimeUpdatesOn} was
   * previously called.
   *
   * @fires Tech#timeupdate
   */


  Tech.prototype.setCurrentTime = function setCurrentTime() {
    // improve the accuracy of manual timeupdates
    if (this.manualTimeUpdates) {
      /**
       * A manual `timeupdate` event.
       *
       * @event Tech#timeupdate
       * @type {EventTarget~Event}
       */
      this.trigger({ type: 'timeupdate', target: this, manuallyTriggered: true });
    }
  };

  /**
   * Turn on listeners for {@link VideoTrackList}, {@link {AudioTrackList}, and
   * {@link TextTrackList} events.
   *
   * This adds {@link EventTarget~EventListeners} for `addtrack`, and  `removetrack`.
   *
   * @fires Tech#audiotrackchange
   * @fires Tech#videotrackchange
   * @fires Tech#texttrackchange
   */


  Tech.prototype.initTrackListeners = function initTrackListeners() {
    var _this4 = this;

    /**
     * Triggered when tracks are added or removed on the Tech {@link AudioTrackList}
     *
     * @event Tech#audiotrackchange
     * @type {EventTarget~Event}
     */

    /**
     * Triggered when tracks are added or removed on the Tech {@link VideoTrackList}
     *
     * @event Tech#videotrackchange
     * @type {EventTarget~Event}
     */

    /**
     * Triggered when tracks are added or removed on the Tech {@link TextTrackList}
     *
     * @event Tech#texttrackchange
     * @type {EventTarget~Event}
     */
    NORMAL.names.forEach(function (name) {
      var props = NORMAL[name];
      var trackListChanges = function trackListChanges() {
        _this4.trigger(name + 'trackchange');
      };

      var tracks = _this4[props.getterName]();

      tracks.addEventListener('removetrack', trackListChanges);
      tracks.addEventListener('addtrack', trackListChanges);

      _this4.on('dispose', function () {
        tracks.removeEventListener('removetrack', trackListChanges);
        tracks.removeEventListener('addtrack', trackListChanges);
      });
    });
  };

  /**
   * Emulate TextTracks using vtt.js if necessary
   *
   * @fires Tech#vttjsloaded
   * @fires Tech#vttjserror
   */


  Tech.prototype.addWebVttScript_ = function addWebVttScript_() {
    var _this5 = this;

    if (window.WebVTT) {
      return;
    }

    // Initially, Tech.el_ is a child of a dummy-div wait until the Component system
    // signals that the Tech is ready at which point Tech.el_ is part of the DOM
    // before inserting the WebVTT script
    if (document.body.contains(this.el())) {

      // load via require if available and vtt.js script location was not passed in
      // as an option. novtt builds will turn the above require call into an empty object
      // which will cause this if check to always fail.
      if (!this.options_['vtt.js'] && isPlain(vtt) && Object.keys(vtt).length > 0) {
        this.trigger('vttjsloaded');
        return;
      }

      // load vtt.js via the script location option or the cdn of no location was
      // passed in
      var script = document.createElement('script');

      script.src = this.options_['vtt.js'] || 'https://vjs.zencdn.net/vttjs/0.12.4/vtt.min.js';
      script.onload = function () {
        /**
         * Fired when vtt.js is loaded.
         *
         * @event Tech#vttjsloaded
         * @type {EventTarget~Event}
         */
        _this5.trigger('vttjsloaded');
      };
      script.onerror = function () {
        /**
         * Fired when vtt.js was not loaded due to an error
         *
         * @event Tech#vttjsloaded
         * @type {EventTarget~Event}
         */
        _this5.trigger('vttjserror');
      };
      this.on('dispose', function () {
        script.onload = null;
        script.onerror = null;
      });
      // but have not loaded yet and we set it to true before the inject so that
      // we don't overwrite the injected window.WebVTT if it loads right away
      window.WebVTT = true;
      this.el().parentNode.appendChild(script);
    } else {
      this.ready(this.addWebVttScript_);
    }
  };

  /**
   * Emulate texttracks
   *
   */


  Tech.prototype.emulateTextTracks = function emulateTextTracks() {
    var _this6 = this;

    var tracks = this.textTracks();
    var remoteTracks = this.remoteTextTracks();
    var handleAddTrack = function handleAddTrack(e) {
      return tracks.addTrack(e.track);
    };
    var handleRemoveTrack = function handleRemoveTrack(e) {
      return tracks.removeTrack(e.track);
    };

    remoteTracks.on('addtrack', handleAddTrack);
    remoteTracks.on('removetrack', handleRemoveTrack);

    this.addWebVttScript_();

    var updateDisplay = function updateDisplay() {
      return _this6.trigger('texttrackchange');
    };

    var textTracksChanges = function textTracksChanges() {
      updateDisplay();

      for (var i = 0; i < tracks.length; i++) {
        var track = tracks[i];

        track.removeEventListener('cuechange', updateDisplay);
        if (track.mode === 'showing') {
          track.addEventListener('cuechange', updateDisplay);
        }
      }
    };

    textTracksChanges();
    tracks.addEventListener('change', textTracksChanges);
    tracks.addEventListener('addtrack', textTracksChanges);
    tracks.addEventListener('removetrack', textTracksChanges);

    this.on('dispose', function () {
      remoteTracks.off('addtrack', handleAddTrack);
      remoteTracks.off('removetrack', handleRemoveTrack);
      tracks.removeEventListener('change', textTracksChanges);
      tracks.removeEventListener('addtrack', textTracksChanges);
      tracks.removeEventListener('removetrack', textTracksChanges);

      for (var i = 0; i < tracks.length; i++) {
        var track = tracks[i];

        track.removeEventListener('cuechange', updateDisplay);
      }
    });
  };

  /**
   * Create and returns a remote {@link TextTrack} object.
   *
   * @param {string} kind
   *        `TextTrack` kind (subtitles, captions, descriptions, chapters, or metadata)
   *
   * @param {string} [label]
   *        Label to identify the text track
   *
   * @param {string} [language]
   *        Two letter language abbreviation
   *
   * @return {TextTrack}
   *         The TextTrack that gets created.
   */


  Tech.prototype.addTextTrack = function addTextTrack(kind, label, language) {
    if (!kind) {
      throw new Error('TextTrack kind is required but was not provided');
    }

    return createTrackHelper(this, kind, label, language);
  };

  /**
   * Create an emulated TextTrack for use by addRemoteTextTrack
   *
   * This is intended to be overridden by classes that inherit from
   * Tech in order to create native or custom TextTracks.
   *
   * @param {Object} options
   *        The object should contain the options to initialize the TextTrack with.
   *
   * @param {string} [options.kind]
   *        `TextTrack` kind (subtitles, captions, descriptions, chapters, or metadata).
   *
   * @param {string} [options.label].
   *        Label to identify the text track
   *
   * @param {string} [options.language]
   *        Two letter language abbreviation.
   *
   * @return {HTMLTrackElement}
   *         The track element that gets created.
   */


  Tech.prototype.createRemoteTextTrack = function createRemoteTextTrack(options) {
    var track = mergeOptions(options, {
      tech: this
    });

    return new REMOTE.remoteTextEl.TrackClass(track);
  };

  /**
   * Creates a remote text track object and returns an html track element.
   *
   * > Note: This can be an emulated {@link HTMLTrackElement} or a native one.
   *
   * @param {Object} options
   *        See {@link Tech#createRemoteTextTrack} for more detailed properties.
   *
   * @param {boolean} [manualCleanup=true]
   *        - When false: the TextTrack will be automatically removed from the video
   *          element whenever the source changes
   *        - When True: The TextTrack will have to be cleaned up manually
   *
   * @return {HTMLTrackElement}
   *         An Html Track Element.
   *
   * @deprecated The default functionality for this function will be equivalent
   *             to "manualCleanup=false" in the future. The manualCleanup parameter will
   *             also be removed.
   */


  Tech.prototype.addRemoteTextTrack = function addRemoteTextTrack() {
    var _this7 = this;

    var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
    var manualCleanup = arguments[1];

    var htmlTrackElement = this.createRemoteTextTrack(options);

    if (manualCleanup !== true && manualCleanup !== false) {
      // deprecation warning
      log.warn('Calling addRemoteTextTrack without explicitly setting the "manualCleanup" parameter to `true` is deprecated and default to `false` in future version of video.js');
      manualCleanup = true;
    }

    // store HTMLTrackElement and TextTrack to remote list
    this.remoteTextTrackEls().addTrackElement_(htmlTrackElement);
    this.remoteTextTracks().addTrack(htmlTrackElement.track);

    if (manualCleanup !== true) {
      // create the TextTrackList if it doesn't exist
      this.ready(function () {
        return _this7.autoRemoteTextTracks_.addTrack(htmlTrackElement.track);
      });
    }

    return htmlTrackElement;
  };

  /**
   * Remove a remote text track from the remote `TextTrackList`.
   *
   * @param {TextTrack} track
   *        `TextTrack` to remove from the `TextTrackList`
   */


  Tech.prototype.removeRemoteTextTrack = function removeRemoteTextTrack(track) {
    var trackElement = this.remoteTextTrackEls().getTrackElementByTrack_(track);

    // remove HTMLTrackElement and TextTrack from remote list
    this.remoteTextTrackEls().removeTrackElement_(trackElement);
    this.remoteTextTracks().removeTrack(track);
    this.autoRemoteTextTracks_.removeTrack(track);
  };

  /**
   * Gets available media playback quality metrics as specified by the W3C's Media
   * Playback Quality API.
   *
   * @see [Spec]{@link https://wicg.github.io/media-playback-quality}
   *
   * @return {Object}
   *         An object with supported media playback quality metrics
   *
   * @abstract
   */


  Tech.prototype.getVideoPlaybackQuality = function getVideoPlaybackQuality() {
    return {};
  };

  /**
   * A method to set a poster from a `Tech`.
   *
   * @abstract
   */


  Tech.prototype.setPoster = function setPoster() {};

  /**
   * A method to check for the presence of the 'playsinine' <video> attribute.
   *
   * @abstract
   */


  Tech.prototype.playsinline = function playsinline() {};

  /**
   * A method to set or unset the 'playsinine' <video> attribute.
   *
   * @abstract
   */


  Tech.prototype.setPlaysinline = function setPlaysinline() {};

  /*
   * Check if the tech can support the given mime-type.
   *
   * The base tech does not support any type, but source handlers might
   * overwrite this.
   *
   * @param  {string} type
   *         The mimetype to check for support
   *
   * @return {string}
   *         'probably', 'maybe', or empty string
   *
   * @see [Spec]{@link https://developer.mozilla.org/en-US/docs/Web/API/HTMLMediaElement/canPlayType}
   *
   * @abstract
   */


  Tech.prototype.canPlayType = function canPlayType() {
    return '';
  };

  /**
   * Check if the type is supported by this tech.
   *
   * The base tech does not support any type, but source handlers might
   * overwrite this.
   *
   * @param {string} type
   *        The media type to check
   * @return {string} Returns the native video element's response
   */


  Tech.canPlayType = function canPlayType() {
    return '';
  };

  /**
   * Check if the tech can support the given source
   * @param {Object} srcObj
   *        The source object
   * @param {Object} options
   *        The options passed to the tech
   * @return {string} 'probably', 'maybe', or '' (empty string)
   */


  Tech.canPlaySource = function canPlaySource(srcObj, options) {
    return Tech.canPlayType(srcObj.type);
  };

  /*
   * Return whether the argument is a Tech or not.
   * Can be passed either a Class like `Html5` or a instance like `player.tech_`
   *
   * @param {Object} component
   *        The item to check
   *
   * @return {boolean}
   *         Whether it is a tech or not
   *         - True if it is a tech
   *         - False if it is not
   */


  Tech.isTech = function isTech(component) {
    return component.prototype instanceof Tech || component instanceof Tech || component === Tech;
  };

  /**
   * Registers a `Tech` into a shared list for videojs.
   *
   * @param {string} name
   *        Name of the `Tech` to register.
   *
   * @param {Object} tech
   *        The `Tech` class to register.
   */


  Tech.registerTech = function registerTech(name, tech) {
    if (!Tech.techs_) {
      Tech.techs_ = {};
    }

    if (!Tech.isTech(tech)) {
      throw new Error('Tech ' + name + ' must be a Tech');
    }

    if (!Tech.canPlayType) {
      throw new Error('Techs must have a static canPlayType method on them');
    }
    if (!Tech.canPlaySource) {
      throw new Error('Techs must have a static canPlaySource method on them');
    }

    name = toTitleCase(name);

    Tech.techs_[name] = tech;
    if (name !== 'Tech') {
      // camel case the techName for use in techOrder
      Tech.defaultTechOrder_.push(name);
    }
    return tech;
  };

  /**
   * Get a `Tech` from the shared list by name.
   *
   * @param {string} name
   *        `camelCase` or `TitleCase` name of the Tech to get
   *
   * @return {Tech|undefined}
   *         The `Tech` or undefined if there was no tech with the name requsted.
   */


  Tech.getTech = function getTech(name) {
    if (!name) {
      return;
    }

    name = toTitleCase(name);

    if (Tech.techs_ && Tech.techs_[name]) {
      return Tech.techs_[name];
    }

    if (window && window.videojs && window.videojs[name]) {
      log.warn('The ' + name + ' tech was added to the videojs object when it should be registered using videojs.registerTech(name, tech)');
      return window.videojs[name];
    }
  };

  return Tech;
}(Component);

/**
 * Get the {@link VideoTrackList}
 *
 * @returns {VideoTrackList}
 * @method Tech.prototype.videoTracks
 */

/**
 * Get the {@link AudioTrackList}
 *
 * @returns {AudioTrackList}
 * @method Tech.prototype.audioTracks
 */

/**
 * Get the {@link TextTrackList}
 *
 * @returns {TextTrackList}
 * @method Tech.prototype.textTracks
 */

/**
 * Get the remote element {@link TextTrackList}
 *
 * @returns {TextTrackList}
 * @method Tech.prototype.remoteTextTracks
 */

/**
 * Get the remote element {@link HtmlTrackElementList}
 *
 * @returns {HtmlTrackElementList}
 * @method Tech.prototype.remoteTextTrackEls
 */

ALL.names.forEach(function (name) {
  var props = ALL[name];

  Tech.prototype[props.getterName] = function () {
    this[props.privateName] = this[props.privateName] || new props.ListClass();
    return this[props.privateName];
  };
});

/**
 * List of associated text tracks
 *
 * @type {TextTrackList}
 * @private
 * @property Tech#textTracks_
 */

/**
 * List of associated audio tracks.
 *
 * @type {AudioTrackList}
 * @private
 * @property Tech#audioTracks_
 */

/**
 * List of associated video tracks.
 *
 * @type {VideoTrackList}
 * @private
 * @property Tech#videoTracks_
 */

/**
 * Boolean indicating wether the `Tech` supports volume control.
 *
 * @type {boolean}
 * @default
 */
Tech.prototype.featuresVolumeControl = true;

/**
 * Boolean indicating whether the `Tech` supports muting volume.
 *
 * @type {bolean}
 * @default
 */
Tech.prototype.featuresMuteControl = true;

/**
 * Boolean indicating whether the `Tech` supports fullscreen resize control.
 * Resizing plugins using request fullscreen reloads the plugin
 *
 * @type {boolean}
 * @default
 */
Tech.prototype.featuresFullscreenResize = false;

/**
 * Boolean indicating wether the `Tech` supports changing the speed at which the video
 * plays. Examples:
 *   - Set player to play 2x (twice) as fast
 *   - Set player to play 0.5x (half) as fast
 *
 * @type {boolean}
 * @default
 */
Tech.prototype.featuresPlaybackRate = false;

/**
 * Boolean indicating wether the `Tech` supports the `progress` event. This is currently
 * not triggered by video-js-swf. This will be used to determine if
 * {@link Tech#manualProgressOn} should be called.
 *
 * @type {boolean}
 * @default
 */
Tech.prototype.featuresProgressEvents = false;

/**
 * Boolean indicating wether the `Tech` supports the `sourceset` event.
 *
 * A tech should set this to `true` and then use {@link Tech#triggerSourceset}
 * to trigger a {@link Tech#event:sourceset} at the earliest time after getting
 * a new source.
 *
 * @type {boolean}
 * @default
 */
Tech.prototype.featuresSourceset = false;

/**
 * Boolean indicating wether the `Tech` supports the `timeupdate` event. This is currently
 * not triggered by video-js-swf. This will be used to determine if
 * {@link Tech#manualTimeUpdates} should be called.
 *
 * @type {boolean}
 * @default
 */
Tech.prototype.featuresTimeupdateEvents = false;

/**
 * Boolean indicating wether the `Tech` supports the native `TextTrack`s.
 * This will help us integrate with native `TextTrack`s if the browser supports them.
 *
 * @type {boolean}
 * @default
 */
Tech.prototype.featuresNativeTextTracks = false;

/**
 * A functional mixin for techs that want to use the Source Handler pattern.
 * Source handlers are scripts for handling specific formats.
 * The source handler pattern is used for adaptive formats (HLS, DASH) that
 * manually load video data and feed it into a Source Buffer (Media Source Extensions)
 * Example: `Tech.withSourceHandlers.call(MyTech);`
 *
 * @param {Tech} _Tech
 *        The tech to add source handler functions to.
 *
 * @mixes Tech~SourceHandlerAdditions
 */
Tech.withSourceHandlers = function (_Tech) {

  /**
   * Register a source handler
   *
   * @param {Function} handler
   *        The source handler class
   *
   * @param {number} [index]
   *        Register it at the following index
   */
  _Tech.registerSourceHandler = function (handler, index) {
    var handlers = _Tech.sourceHandlers;

    if (!handlers) {
      handlers = _Tech.sourceHandlers = [];
    }

    if (index === undefined) {
      // add to the end of the list
      index = handlers.length;
    }

    handlers.splice(index, 0, handler);
  };

  /**
   * Check if the tech can support the given type. Also checks the
   * Techs sourceHandlers.
   *
   * @param {string} type
   *         The mimetype to check.
   *
   * @return {string}
   *         'probably', 'maybe', or '' (empty string)
   */
  _Tech.canPlayType = function (type) {
    var handlers = _Tech.sourceHandlers || [];
    var can = void 0;

    for (var i = 0; i < handlers.length; i++) {
      can = handlers[i].canPlayType(type);

      if (can) {
        return can;
      }
    }

    return '';
  };

  /**
   * Returns the first source handler that supports the source.
   *
   * TODO: Answer question: should 'probably' be prioritized over 'maybe'
   *
   * @param {Tech~SourceObject} source
   *        The source object
   *
   * @param {Object} options
   *        The options passed to the tech
   *
   * @return {SourceHandler|null}
   *          The first source handler that supports the source or null if
   *          no SourceHandler supports the source
   */
  _Tech.selectSourceHandler = function (source, options) {
    var handlers = _Tech.sourceHandlers || [];
    var can = void 0;

    for (var i = 0; i < handlers.length; i++) {
      can = handlers[i].canHandleSource(source, options);

      if (can) {
        return handlers[i];
      }
    }

    return null;
  };

  /**
   * Check if the tech can support the given source.
   *
   * @param {Tech~SourceObject} srcObj
   *        The source object
   *
   * @param {Object} options
   *        The options passed to the tech
   *
   * @return {string}
   *         'probably', 'maybe', or '' (empty string)
   */
  _Tech.canPlaySource = function (srcObj, options) {
    var sh = _Tech.selectSourceHandler(srcObj, options);

    if (sh) {
      return sh.canHandleSource(srcObj, options);
    }

    return '';
  };

  /**
   * When using a source handler, prefer its implementation of
   * any function normally provided by the tech.
   */
  var deferrable = ['seekable', 'seeking', 'duration'];

  /**
   * A wrapper around {@link Tech#seekable} that will call a `SourceHandler`s seekable
   * function if it exists, with a fallback to the Techs seekable function.
   *
   * @method _Tech.seekable
   */

  /**
   * A wrapper around {@link Tech#duration} that will call a `SourceHandler`s duration
   * function if it exists, otherwise it will fallback to the techs duration function.
   *
   * @method _Tech.duration
   */

  deferrable.forEach(function (fnName) {
    var originalFn = this[fnName];

    if (typeof originalFn !== 'function') {
      return;
    }

    this[fnName] = function () {
      if (this.sourceHandler_ && this.sourceHandler_[fnName]) {
        return this.sourceHandler_[fnName].apply(this.sourceHandler_, arguments);
      }
      return originalFn.apply(this, arguments);
    };
  }, _Tech.prototype);

  /**
   * Create a function for setting the source using a source object
   * and source handlers.
   * Should never be called unless a source handler was found.
   *
   * @param {Tech~SourceObject} source
   *        A source object with src and type keys
   */
  _Tech.prototype.setSource = function (source) {
    var sh = _Tech.selectSourceHandler(source, this.options_);

    if (!sh) {
      // Fall back to a native source hander when unsupported sources are
      // deliberately set
      if (_Tech.nativeSourceHandler) {
        sh = _Tech.nativeSourceHandler;
      } else {
        log.error('No source hander found for the current source.');
      }
    }

    // Dispose any existing source handler
    this.disposeSourceHandler();
    this.off('dispose', this.disposeSourceHandler);

    if (sh !== _Tech.nativeSourceHandler) {
      this.currentSource_ = source;
    }

    this.sourceHandler_ = sh.handleSource(source, this, this.options_);
    this.on('dispose', this.disposeSourceHandler);
  };

  /**
   * Clean up any existing SourceHandlers and listeners when the Tech is disposed.
   *
   * @listens Tech#dispose
   */
  _Tech.prototype.disposeSourceHandler = function () {
    // if we have a source and get another one
    // then we are loading something new
    // than clear all of our current tracks
    if (this.currentSource_) {
      this.clearTracks(['audio', 'video']);
      this.currentSource_ = null;
    }

    // always clean up auto-text tracks
    this.cleanupAutoTextTracks();

    if (this.sourceHandler_) {

      if (this.sourceHandler_.dispose) {
        this.sourceHandler_.dispose();
      }

      this.sourceHandler_ = null;
    }
  };
};

// The base Tech class needs to be registered as a Component. It is the only
// Tech that can be registered as a Component.
Component.registerComponent('Tech', Tech);
Tech.registerTech('Tech', Tech);

/**
 * A list of techs that should be added to techOrder on Players
 *
 * @private
 */
Tech.defaultTechOrder_ = [];

var middlewares = {};
var middlewareInstances = {};

var TERMINATOR = {};

function use(type, middleware) {
  middlewares[type] = middlewares[type] || [];
  middlewares[type].push(middleware);
}



function setSource(player, src, next) {
  player.setTimeout(function () {
    return setSourceHelper(src, middlewares[src.type], next, player);
  }, 1);
}

function setTech(middleware, tech) {
  middleware.forEach(function (mw) {
    return mw.setTech && mw.setTech(tech);
  });
}

/**
 * Calls a getter on the tech first, through each middleware
 * from right to left to the player.
 */
function get$1(middleware, tech, method) {
  return middleware.reduceRight(middlewareIterator(method), tech[method]());
}

/**
 * Takes the argument given to the player and calls the setter method on each
 * middlware from left to right to the tech.
 */
function set$1(middleware, tech, method, arg) {
  return tech[method](middleware.reduce(middlewareIterator(method), arg));
}

/**
 * Takes the argument given to the player and calls the `call` version of the method
 * on each middleware from left to right.
 * Then, call the passed in method on the tech and return the result unchanged
 * back to the player, through middleware, this time from right to left.
 */
function mediate(middleware, tech, method) {
  var arg = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : null;

  var callMethod = 'call' + toTitleCase(method);
  var middlewareValue = middleware.reduce(middlewareIterator(callMethod), arg);
  var terminated = middlewareValue === TERMINATOR;
  var returnValue = terminated ? null : tech[method](middlewareValue);

  executeRight(middleware, method, returnValue, terminated);

  return returnValue;
}

var allowedGetters = {
  buffered: 1,
  currentTime: 1,
  duration: 1,
  seekable: 1,
  played: 1,
  paused: 1
};

var allowedSetters = {
  setCurrentTime: 1
};

var allowedMediators = {
  play: 1,
  pause: 1
};

function middlewareIterator(method) {
  return function (value, mw) {
    // if the previous middleware terminated, pass along the termination
    if (value === TERMINATOR) {
      return TERMINATOR;
    }

    if (mw[method]) {
      return mw[method](value);
    }

    return value;
  };
}

function executeRight(mws, method, value, terminated) {
  for (var i = mws.length - 1; i >= 0; i--) {
    var mw = mws[i];

    if (mw[method]) {
      mw[method](terminated, value);
    }
  }
}

function clearCacheForPlayer(player) {
  middlewareInstances[player.id()] = null;
}

/**
 * {
 *  [playerId]: [[mwFactory, mwInstance], ...]
 * }
 */
function getOrCreateFactory(player, mwFactory) {
  var mws = middlewareInstances[player.id()];
  var mw = null;

  if (mws === undefined || mws === null) {
    mw = mwFactory(player);
    middlewareInstances[player.id()] = [[mwFactory, mw]];
    return mw;
  }

  for (var i = 0; i < mws.length; i++) {
    var _mws$i = mws[i],
        mwf = _mws$i[0],
        mwi = _mws$i[1];


    if (mwf !== mwFactory) {
      continue;
    }

    mw = mwi;
  }

  if (mw === null) {
    mw = mwFactory(player);
    mws.push([mwFactory, mw]);
  }

  return mw;
}

function setSourceHelper() {
  var src = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
  var middleware = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : [];
  var next = arguments[2];
  var player = arguments[3];
  var acc = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : [];
  var lastRun = arguments.length > 5 && arguments[5] !== undefined ? arguments[5] : false;
  var mwFactory = middleware[0],
      mwrest = middleware.slice(1);

  // if mwFactory is a string, then we're at a fork in the road

  if (typeof mwFactory === 'string') {
    setSourceHelper(src, middlewares[mwFactory], next, player, acc, lastRun);

    // if we have an mwFactory, call it with the player to get the mw,
    // then call the mw's setSource method
  } else if (mwFactory) {
    var mw = getOrCreateFactory(player, mwFactory);

    // if setSource isn't present, implicitly select this middleware
    if (!mw.setSource) {
      acc.push(mw);
      return setSourceHelper(src, mwrest, next, player, acc, lastRun);
    }

    mw.setSource(assign({}, src), function (err, _src) {

      // something happened, try the next middleware on the current level
      // make sure to use the old src
      if (err) {
        return setSourceHelper(src, mwrest, next, player, acc, lastRun);
      }

      // we've succeeded, now we need to go deeper
      acc.push(mw);

      // if it's the same type, continue down the current chain
      // otherwise, we want to go down the new chain
      setSourceHelper(_src, src.type === _src.type ? mwrest : middlewares[_src.type], next, player, acc, lastRun);
    });
  } else if (mwrest.length) {
    setSourceHelper(src, mwrest, next, player, acc, lastRun);
  } else if (lastRun) {
    next(src, acc);
  } else {
    setSourceHelper(src, middlewares['*'], next, player, acc, true);
  }
}

/**
 * Mimetypes
 *
 * @see http://hul.harvard.edu/ois/////systems/wax/wax-public-help/mimetypes.htm
 * @typedef Mimetypes~Kind
 * @enum
 */
var MimetypesKind = {
  opus: 'video/ogg',
  ogv: 'video/ogg',
  mp4: 'video/mp4',
  mov: 'video/mp4',
  m4v: 'video/mp4',
  mkv: 'video/x-matroska',
  mp3: 'audio/mpeg',
  aac: 'audio/aac',
  oga: 'audio/ogg',
  m3u8: 'application/x-mpegURL'
};

/**
 * Get the mimetype of a given src url if possible
 *
 * @param {string} src
 *        The url to the src
 *
 * @return {string}
 *         return the mimetype if it was known or empty string otherwise
 */
var getMimetype = function getMimetype() {
  var src = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : '';

  var ext = getFileExtension(src);
  var mimetype = MimetypesKind[ext.toLowerCase()];

  return mimetype || '';
};

/**
 * Find the mime type of a given source string if possible. Uses the player
 * source cache.
 *
 * @param {Player} player
 *        The player object
 *
 * @param {string} src
 *        The source string
 *
 * @return {string}
 *         The type that was found
 */
var findMimetype = function findMimetype(player, src) {
  if (!src) {
    return '';
  }

  // 1. check for the type in the `source` cache
  if (player.cache_.source.src === src && player.cache_.source.type) {
    return player.cache_.source.type;
  }

  // 2. see if we have this source in our `currentSources` cache
  var matchingSources = player.cache_.sources.filter(function (s) {
    return s.src === src;
  });

  if (matchingSources.length) {
    return matchingSources[0].type;
  }

  // 3. look for the src url in source elements and use the type there
  var sources = player.$$('source');

  for (var i = 0; i < sources.length; i++) {
    var s = sources[i];

    if (s.type && s.src && s.src === src) {
      return s.type;
    }
  }

  // 4. finally fallback to our list of mime types based on src url extension
  return getMimetype(src);
};

/**
 * @module filter-source
 */
/**
 * Filter out single bad source objects or multiple source objects in an
 * array. Also flattens nested source object arrays into a 1 dimensional
 * array of source objects.
 *
 * @param {Tech~SourceObject|Tech~SourceObject[]} src
 *        The src object to filter
 *
 * @return {Tech~SourceObject[]}
 *         An array of sourceobjects containing only valid sources
 *
 * @private
 */
var filterSource = function filterSource(src) {
  // traverse array
  if (Array.isArray(src)) {
    var newsrc = [];

    src.forEach(function (srcobj) {
      srcobj = filterSource(srcobj);

      if (Array.isArray(srcobj)) {
        newsrc = newsrc.concat(srcobj);
      } else if (isObject(srcobj)) {
        newsrc.push(srcobj);
      }
    });

    src = newsrc;
  } else if (typeof src === 'string' && src.trim()) {
    // convert string into object
    src = [fixSource({ src: src })];
  } else if (isObject(src) && typeof src.src === 'string' && src.src && src.src.trim()) {
    // src is already valid
    src = [fixSource(src)];
  } else {
    // invalid source, turn it into an empty array
    src = [];
  }

  return src;
};

/**
 * Checks src mimetype, adding it when possible
 *
 * @param {Tech~SourceObject} src
 *        The src object to check
 * @return {Tech~SourceObject}
 *        src Object with known type
 */
function fixSource(src) {
  var mimetype = getMimetype(src.src);

  if (!src.type && mimetype) {
    src.type = mimetype;
  }

  return src;
}

/**
 * @file loader.js
 */
/**
 * The `MediaLoader` is the `Component` that decides which playback technology to load
 * when a player is initialized.
 *
 * @extends Component
 */

var MediaLoader = function (_Component) {
  inherits(MediaLoader, _Component);

  /**
   * Create an instance of this class.
   *
   * @param {Player} player
   *        The `Player` that this class should attach to.
   *
   * @param {Object} [options]
   *        The key/value stroe of player options.
   *
   * @param {Component~ReadyCallback} [ready]
   *        The function that is run when this component is ready.
   */
  function MediaLoader(player, options, ready) {
    classCallCheck(this, MediaLoader);

    // MediaLoader has no element
    var options_ = mergeOptions({ createEl: false }, options);

    // If there are no sources when the player is initialized,
    // load the first supported playback technology.

    var _this = possibleConstructorReturn(this, _Component.call(this, player, options_, ready));

    if (!options.playerOptions.sources || options.playerOptions.sources.length === 0) {
      for (var i = 0, j = options.playerOptions.techOrder; i < j.length; i++) {
        var techName = toTitleCase(j[i]);
        var tech = Tech.getTech(techName);

        // Support old behavior of techs being registered as components.
        // Remove once that deprecated behavior is removed.
        if (!techName) {
          tech = Component.getComponent(techName);
        }

        // Check if the browser supports this technology
        if (tech && tech.isSupported()) {
          player.loadTech_(techName);
          break;
        }
      }
    } else {
      // Loop through playback technologies (HTML5, Flash) and check for support.
      // Then load the best source.
      // A few assumptions here:
      //   All playback technologies respect preload false.
      player.src(options.playerOptions.sources);
    }
    return _this;
  }

  return MediaLoader;
}(Component);

Component.registerComponent('MediaLoader', MediaLoader);

/**
 * @file button.js
 */
/**
 * Clickable Component which is clickable or keyboard actionable,
 * but is not a native HTML button.
 *
 * @extends Component
 */

var ClickableComponent = function (_Component) {
  inherits(ClickableComponent, _Component);

  /**
   * Creates an instance of this class.
   *
   * @param  {Player} player
   *         The `Player` that this class should be attached to.
   *
   * @param  {Object} [options]
   *         The key/value store of player options.
   */
  function ClickableComponent(player, options) {
    classCallCheck(this, ClickableComponent);

    var _this = possibleConstructorReturn(this, _Component.call(this, player, options));

    _this.emitTapEvents();

    _this.enable();
    return _this;
  }

  /**
   * Create the `Component`s DOM element.
   *
   * @param {string} [tag=div]
   *        The element's node type.
   *
   * @param {Object} [props={}]
   *        An object of properties that should be set on the element.
   *
   * @param {Object} [attributes={}]
   *        An object of attributes that should be set on the element.
   *
   * @return {Element}
   *         The element that gets created.
   */


  ClickableComponent.prototype.createEl = function createEl$$1() {
    var tag = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 'div';
    var props = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
    var attributes = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};

    props = assign({
      innerHTML: '<span aria-hidden="true" class="vjs-icon-placeholder"></span>',
      className: this.buildCSSClass(),
      tabIndex: 0
    }, props);

    if (tag === 'button') {
      log.error('Creating a ClickableComponent with an HTML element of ' + tag + ' is not supported; use a Button instead.');
    }

    // Add ARIA attributes for clickable element which is not a native HTML button
    attributes = assign({
      role: 'button'
    }, attributes);

    this.tabIndex_ = props.tabIndex;

    var el = _Component.prototype.createEl.call(this, tag, props, attributes);

    this.createControlTextEl(el);

    return el;
  };

  ClickableComponent.prototype.dispose = function dispose() {
    // remove controlTextEl_ on dipose
    this.controlTextEl_ = null;

    _Component.prototype.dispose.call(this);
  };

  /**
   * Create a control text element on this `Component`
   *
   * @param {Element} [el]
   *        Parent element for the control text.
   *
   * @return {Element}
   *         The control text element that gets created.
   */


  ClickableComponent.prototype.createControlTextEl = function createControlTextEl(el) {
    this.controlTextEl_ = createEl('span', {
      className: 'vjs-control-text'
    }, {
      // let the screen reader user know that the text of the element may change
      'aria-live': 'polite'
    });

    if (el) {
      el.appendChild(this.controlTextEl_);
    }

    this.controlText(this.controlText_, el);

    return this.controlTextEl_;
  };

  /**
   * Get or set the localize text to use for the controls on the `Component`.
   *
   * @param {string} [text]
   *        Control text for element.
   *
   * @param {Element} [el=this.el()]
   *        Element to set the title on.
   *
   * @return {string}
   *         - The control text when getting
   */


  ClickableComponent.prototype.controlText = function controlText(text) {
    var el = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : this.el();

    if (text === undefined) {
      return this.controlText_ || 'Need Text';
    }

    var localizedText = this.localize(text);

    this.controlText_ = text;
    textContent(this.controlTextEl_, localizedText);
    if (!this.nonIconControl) {
      // Set title attribute if only an icon is shown
      el.setAttribute('title', localizedText);
    }
  };

  /**
   * Builds the default DOM `className`.
   *
   * @return {string}
   *         The DOM `className` for this object.
   */


  ClickableComponent.prototype.buildCSSClass = function buildCSSClass() {
    return 'vjs-control vjs-button ' + _Component.prototype.buildCSSClass.call(this);
  };

  /**
   * Enable this `Component`s element.
   */


  ClickableComponent.prototype.enable = function enable() {
    if (!this.enabled_) {
      this.enabled_ = true;
      this.removeClass('vjs-disabled');
      this.el_.setAttribute('aria-disabled', 'false');
      if (typeof this.tabIndex_ !== 'undefined') {
        this.el_.setAttribute('tabIndex', this.tabIndex_);
      }
      this.on(['tap', 'click'], this.handleClick);
      this.on('focus', this.handleFocus);
      this.on('blur', this.handleBlur);
    }
  };

  /**
   * Disable this `Component`s element.
   */


  ClickableComponent.prototype.disable = function disable() {
    this.enabled_ = false;
    this.addClass('vjs-disabled');
    this.el_.setAttribute('aria-disabled', 'true');
    if (typeof this.tabIndex_ !== 'undefined') {
      this.el_.removeAttribute('tabIndex');
    }
    this.off(['tap', 'click'], this.handleClick);
    this.off('focus', this.handleFocus);
    this.off('blur', this.handleBlur);
  };

  /**
   * This gets called when a `ClickableComponent` gets:
   * - Clicked (via the `click` event, listening starts in the constructor)
   * - Tapped (via the `tap` event, listening starts in the constructor)
   * - The following things happen in order:
   *   1. {@link ClickableComponent#handleFocus} is called via a `focus` event on the
   *      `ClickableComponent`.
   *   2. {@link ClickableComponent#handleFocus} adds a listener for `keydown` on using
   *      {@link ClickableComponent#handleKeyPress}.
   *   3. `ClickableComponent` has not had a `blur` event (`blur` means that focus was lost). The user presses
   *      the space or enter key.
   *   4. {@link ClickableComponent#handleKeyPress} calls this function with the `keydown`
   *      event as a parameter.
   *
   * @param {EventTarget~Event} event
   *        The `keydown`, `tap`, or `click` event that caused this function to be
   *        called.
   *
   * @listens tap
   * @listens click
   * @abstract
   */


  ClickableComponent.prototype.handleClick = function handleClick(event) {};

  /**
   * This gets called when a `ClickableComponent` gains focus via a `focus` event.
   * Turns on listening for `keydown` events. When they happen it
   * calls `this.handleKeyPress`.
   *
   * @param {EventTarget~Event} event
   *        The `focus` event that caused this function to be called.
   *
   * @listens focus
   */


  ClickableComponent.prototype.handleFocus = function handleFocus(event) {
    on(document, 'keydown', bind(this, this.handleKeyPress));
  };

  /**
   * Called when this ClickableComponent has focus and a key gets pressed down. By
   * default it will call `this.handleClick` when the key is space or enter.
   *
   * @param {EventTarget~Event} event
   *        The `keydown` event that caused this function to be called.
   *
   * @listens keydown
   */


  ClickableComponent.prototype.handleKeyPress = function handleKeyPress(event) {

    // Support Space (32) or Enter (13) key operation to fire a click event
    if (event.which === 32 || event.which === 13) {
      event.preventDefault();
      this.trigger('click');
    } else if (_Component.prototype.handleKeyPress) {

      // Pass keypress handling up for unsupported keys
      _Component.prototype.handleKeyPress.call(this, event);
    }
  };

  /**
   * Called when a `ClickableComponent` loses focus. Turns off the listener for
   * `keydown` events. Which Stops `this.handleKeyPress` from getting called.
   *
   * @param {EventTarget~Event} event
   *        The `blur` event that caused this function to be called.
   *
   * @listens blur
   */


  ClickableComponent.prototype.handleBlur = function handleBlur(event) {
    off(document, 'keydown', bind(this, this.handleKeyPress));
  };

  return ClickableComponent;
}(Component);

Component.registerComponent('ClickableComponent', ClickableComponent);

/**
 * @file poster-image.js
 */
/**
 * A `ClickableComponent` that handles showing the poster image for the player.
 *
 * @extends ClickableComponent
 */

var PosterImage = function (_ClickableComponent) {
  inherits(PosterImage, _ClickableComponent);

  /**
   * Create an instance of this class.
   *
   * @param {Player} player
   *        The `Player` that this class should attach to.
   *
   * @param {Object} [options]
   *        The key/value store of player options.
   */
  function PosterImage(player, options) {
    classCallCheck(this, PosterImage);

    var _this = possibleConstructorReturn(this, _ClickableComponent.call(this, player, options));

    _this.update();
    player.on('posterchange', bind(_this, _this.update));
    return _this;
  }

  /**
   * Clean up and dispose of the `PosterImage`.
   */


  PosterImage.prototype.dispose = function dispose() {
    this.player().off('posterchange', this.update);
    _ClickableComponent.prototype.dispose.call(this);
  };

  /**
   * Create the `PosterImage`s DOM element.
   *
   * @return {Element}
   *         The element that gets created.
   */


  PosterImage.prototype.createEl = function createEl$$1() {
    var el = createEl('div', {
      className: 'vjs-poster',

      // Don't want poster to be tabbable.
      tabIndex: -1
    });

    // To ensure the poster image resizes while maintaining its original aspect
    // ratio, use a div with `background-size` when available. For browsers that
    // do not support `background-size` (e.g. IE8), fall back on using a regular
    // img element.
    if (!BACKGROUND_SIZE_SUPPORTED) {
      this.fallbackImg_ = createEl('img');
      el.appendChild(this.fallbackImg_);
    }

    return el;
  };

  /**
   * An {@link EventTarget~EventListener} for {@link Player#posterchange} events.
   *
   * @listens Player#posterchange
   *
   * @param {EventTarget~Event} [event]
   *        The `Player#posterchange` event that triggered this function.
   */


  PosterImage.prototype.update = function update(event) {
    var url = this.player().poster();

    this.setSrc(url);

    // If there's no poster source we should display:none on this component
    // so it's not still clickable or right-clickable
    if (url) {
      this.show();
    } else {
      this.hide();
    }
  };

  /**
   * Set the source of the `PosterImage` depending on the display method.
   *
   * @param {string} url
   *        The URL to the source for the `PosterImage`.
   */


  PosterImage.prototype.setSrc = function setSrc(url) {
    if (this.fallbackImg_) {
      this.fallbackImg_.src = url;
    } else {
      var backgroundImage = '';

      // Any falsey values should stay as an empty string, otherwise
      // this will throw an extra error
      if (url) {
        backgroundImage = 'url("' + url + '")';
      }

      this.el_.style.backgroundImage = backgroundImage;
    }
  };

  /**
   * An {@link EventTarget~EventListener} for clicks on the `PosterImage`. See
   * {@link ClickableComponent#handleClick} for instances where this will be triggered.
   *
   * @listens tap
   * @listens click
   * @listens keydown
   *
   * @param {EventTarget~Event} event
   +        The `click`, `tap` or `keydown` event that caused this function to be called.
   */


  PosterImage.prototype.handleClick = function handleClick(event) {
    // We don't want a click to trigger playback when controls are disabled
    if (!this.player_.controls()) {
      return;
    }

    if (this.player_.paused()) {
      silencePromise(this.player_.play());
    } else {
      this.player_.pause();
    }
  };

  return PosterImage;
}(ClickableComponent);

Component.registerComponent('PosterImage', PosterImage);

/**
 * @file text-track-display.js
 */
var darkGray = '#222';
var lightGray = '#ccc';
var fontMap = {
  monospace: 'monospace',
  sansSerif: 'sans-serif',
  serif: 'serif',
  monospaceSansSerif: '"Andale Mono", "Lucida Console", monospace',
  monospaceSerif: '"Courier New", monospace',
  proportionalSansSerif: 'sans-serif',
  proportionalSerif: 'serif',
  casual: '"Comic Sans MS", Impact, fantasy',
  script: '"Monotype Corsiva", cursive',
  smallcaps: '"Andale Mono", "Lucida Console", monospace, sans-serif'
};

/**
 * Construct an rgba color from a given hex color code.
 *
 * @param {number} color
 *        Hex number for color, like #f0e or #f604e2.
 *
 * @param {number} opacity
 *        Value for opacity, 0.0 - 1.0.
 *
 * @return {string}
 *         The rgba color that was created, like 'rgba(255, 0, 0, 0.3)'.
 */
function constructColor(color, opacity) {
  var hex = void 0;

  if (color.length === 4) {
    // color looks like "#f0e"
    hex = color[1] + color[1] + color[2] + color[2] + color[3] + color[3];
  } else if (color.length === 7) {
    // color looks like "#f604e2"
    hex = color.slice(1);
  } else {
    throw new Error('Invalid color code provided, ' + color + '; must be formatted as e.g. #f0e or #f604e2.');
  }
  return 'rgba(' + parseInt(hex.slice(0, 2), 16) + ',' + parseInt(hex.slice(2, 4), 16) + ',' + parseInt(hex.slice(4, 6), 16) + ',' + opacity + ')';
}

/**
 * Try to update the style of a DOM element. Some style changes will throw an error,
 * particularly in IE8. Those should be noops.
 *
 * @param {Element} el
 *        The DOM element to be styled.
 *
 * @param {string} style
 *        The CSS property on the element that should be styled.
 *
 * @param {string} rule
 *        The style rule that should be applied to the property.
 *
 * @private
 */
function tryUpdateStyle(el, style, rule) {
  try {
    el.style[style] = rule;
  } catch (e) {

    // Satisfies linter.
    return;
  }
}

/**
 * The component for displaying text track cues.
 *
 * @extends Component
 */

var TextTrackDisplay = function (_Component) {
  inherits(TextTrackDisplay, _Component);

  /**
   * Creates an instance of this class.
   *
   * @param {Player} player
   *        The `Player` that this class should be attached to.
   *
   * @param {Object} [options]
   *        The key/value store of player options.
   *
   * @param {Component~ReadyCallback} [ready]
   *        The function to call when `TextTrackDisplay` is ready.
   */
  function TextTrackDisplay(player, options, ready) {
    classCallCheck(this, TextTrackDisplay);

    var _this = possibleConstructorReturn(this, _Component.call(this, player, options, ready));

    var updateDisplayHandler = bind(_this, _this.updateDisplay);

    player.on('loadstart', bind(_this, _this.toggleDisplay));
    player.on('texttrackchange', updateDisplayHandler);
    player.on('loadstart', bind(_this, _this.preselectTrack));

    // This used to be called during player init, but was causing an error
    // if a track should show by default and the display hadn't loaded yet.
    // Should probably be moved to an external track loader when we support
    // tracks that don't need a display.
    player.ready(bind(_this, function () {
      if (player.tech_ && player.tech_.featuresNativeTextTracks) {
        this.hide();
        return;
      }

      player.on('fullscreenchange', updateDisplayHandler);
      player.on('playerresize', updateDisplayHandler);

      if (window.addEventListener) {
        window.addEventListener('orientationchange', updateDisplayHandler);
      }
      player.on('dispose', function () {
        return window.removeEventListener('orientationchange', updateDisplayHandler);
      });

      var tracks = this.options_.playerOptions.tracks || [];

      for (var i = 0; i < tracks.length; i++) {
        this.player_.addRemoteTextTrack(tracks[i], true);
      }

      this.preselectTrack();
    }));
    return _this;
  }

  /**
  * Preselect a track following this precedence:
  * - matches the previously selected {@link TextTrack}'s language and kind
  * - matches the previously selected {@link TextTrack}'s language only
  * - is the first default captions track
  * - is the first default descriptions track
  *
  * @listens Player#loadstart
  */


  TextTrackDisplay.prototype.preselectTrack = function preselectTrack() {
    var modes = { captions: 1, subtitles: 1 };
    var trackList = this.player_.textTracks();
    var userPref = this.player_.cache_.selectedLanguage;
    var firstDesc = void 0;
    var firstCaptions = void 0;
    var preferredTrack = void 0;

    for (var i = 0; i < trackList.length; i++) {
      var track = trackList[i];

      if (userPref && userPref.enabled && userPref.language === track.language) {
        // Always choose the track that matches both language and kind
        if (track.kind === userPref.kind) {
          preferredTrack = track;
          // or choose the first track that matches language
        } else if (!preferredTrack) {
          preferredTrack = track;
        }

        // clear everything if offTextTrackMenuItem was clicked
      } else if (userPref && !userPref.enabled) {
        preferredTrack = null;
        firstDesc = null;
        firstCaptions = null;
      } else if (track['default']) {
        if (track.kind === 'descriptions' && !firstDesc) {
          firstDesc = track;
        } else if (track.kind in modes && !firstCaptions) {
          firstCaptions = track;
        }
      }
    }

    // The preferredTrack matches the user preference and takes
    // precendence over all the other tracks.
    // So, display the preferredTrack before the first default track
    // and the subtitles/captions track before the descriptions track
    if (preferredTrack) {
      preferredTrack.mode = 'showing';
    } else if (firstCaptions) {
      firstCaptions.mode = 'showing';
    } else if (firstDesc) {
      firstDesc.mode = 'showing';
    }
  };

  /**
   * Turn display of {@link TextTrack}'s from the current state into the other state.
   * There are only two states:
   * - 'shown'
   * - 'hidden'
   *
   * @listens Player#loadstart
   */


  TextTrackDisplay.prototype.toggleDisplay = function toggleDisplay() {
    if (this.player_.tech_ && this.player_.tech_.featuresNativeTextTracks) {
      this.hide();
    } else {
      this.show();
    }
  };

  /**
   * Create the {@link Component}'s DOM element.
   *
   * @return {Element}
   *         The element that was created.
   */


  TextTrackDisplay.prototype.createEl = function createEl() {
    return _Component.prototype.createEl.call(this, 'div', {
      className: 'vjs-text-track-display'
    }, {
      'aria-live': 'off',
      'aria-atomic': 'true'
    });
  };

  /**
   * Clear all displayed {@link TextTrack}s.
   */


  TextTrackDisplay.prototype.clearDisplay = function clearDisplay() {
    if (typeof window.WebVTT === 'function') {
      window.WebVTT.processCues(window, [], this.el_);
    }
  };

  /**
   * Update the displayed TextTrack when a either a {@link Player#texttrackchange} or
   * a {@link Player#fullscreenchange} is fired.
   *
   * @listens Player#texttrackchange
   * @listens Player#fullscreenchange
   */


  TextTrackDisplay.prototype.updateDisplay = function updateDisplay() {
    var tracks = this.player_.textTracks();

    this.clearDisplay();

    // Track display prioritization model: if multiple tracks are 'showing',
    //  display the first 'subtitles' or 'captions' track which is 'showing',
    //  otherwise display the first 'descriptions' track which is 'showing'

    var descriptionsTrack = null;
    var captionsSubtitlesTrack = null;
    var i = tracks.length;

    while (i--) {
      var track = tracks[i];

      if (track.mode === 'showing') {
        if (track.kind === 'descriptions') {
          descriptionsTrack = track;
        } else {
          captionsSubtitlesTrack = track;
        }
      }
    }

    if (captionsSubtitlesTrack) {
      if (this.getAttribute('aria-live') !== 'off') {
        this.setAttribute('aria-live', 'off');
      }
      this.updateForTrack(captionsSubtitlesTrack);
    } else if (descriptionsTrack) {
      if (this.getAttribute('aria-live') !== 'assertive') {
        this.setAttribute('aria-live', 'assertive');
      }
      this.updateForTrack(descriptionsTrack);
    }
  };

  /**
   * Add an {@link Texttrack} to to the {@link Tech}s {@link TextTrackList}.
   *
   * @param {TextTrack} track
   *        Text track object to be added to the list.
   */


  TextTrackDisplay.prototype.updateForTrack = function updateForTrack(track) {
    if (typeof window.WebVTT !== 'function' || !track.activeCues) {
      return;
    }

    var cues = [];

    for (var _i = 0; _i < track.activeCues.length; _i++) {
      cues.push(track.activeCues[_i]);
    }

    window.WebVTT.processCues(window, cues, this.el_);

    if (!this.player_.textTrackSettings) {
      return;
    }

    var overrides = this.player_.textTrackSettings.getValues();

    var i = cues.length;

    while (i--) {
      var cue = cues[i];

      if (!cue) {
        continue;
      }

      var cueDiv = cue.displayState;

      if (overrides.color) {
        cueDiv.firstChild.style.color = overrides.color;
      }
      if (overrides.textOpacity) {
        tryUpdateStyle(cueDiv.firstChild, 'color', constructColor(overrides.color || '#fff', overrides.textOpacity));
      }
      if (overrides.backgroundColor) {
        cueDiv.firstChild.style.backgroundColor = overrides.backgroundColor;
      }
      if (overrides.backgroundOpacity) {
        tryUpdateStyle(cueDiv.firstChild, 'backgroundColor', constructColor(overrides.backgroundColor || '#000', overrides.backgroundOpacity));
      }
      if (overrides.windowColor) {
        if (overrides.windowOpacity) {
          tryUpdateStyle(cueDiv, 'backgroundColor', constructColor(overrides.windowColor, overrides.windowOpacity));
        } else {
          cueDiv.style.backgroundColor = overrides.windowColor;
        }
      }
      if (overrides.edgeStyle) {
        if (overrides.edgeStyle === 'dropshadow') {
          cueDiv.firstChild.style.textShadow = '2px 2px 3px ' + darkGray + ', 2px 2px 4px ' + darkGray + ', 2px 2px 5px ' + darkGray;
        } else if (overrides.edgeStyle === 'raised') {
          cueDiv.firstChild.style.textShadow = '1px 1px ' + darkGray + ', 2px 2px ' + darkGray + ', 3px 3px ' + darkGray;
        } else if (overrides.edgeStyle === 'depressed') {
          cueDiv.firstChild.style.textShadow = '1px 1px ' + lightGray + ', 0 1px ' + lightGray + ', -1px -1px ' + darkGray + ', 0 -1px ' + darkGray;
        } else if (overrides.edgeStyle === 'uniform') {
          cueDiv.firstChild.style.textShadow = '0 0 4px ' + darkGray + ', 0 0 4px ' + darkGray + ', 0 0 4px ' + darkGray + ', 0 0 4px ' + darkGray;
        }
      }
      if (overrides.fontPercent && overrides.fontPercent !== 1) {
        var fontSize = window.parseFloat(cueDiv.style.fontSize);

        cueDiv.style.fontSize = fontSize * overrides.fontPercent + 'px';
        cueDiv.style.height = 'auto';
        cueDiv.style.top = 'auto';
        cueDiv.style.bottom = '2px';
      }
      if (overrides.fontFamily && overrides.fontFamily !== 'default') {
        if (overrides.fontFamily === 'small-caps') {
          cueDiv.firstChild.style.fontVariant = 'small-caps';
        } else {
          cueDiv.firstChild.style.fontFamily = fontMap[overrides.fontFamily];
        }
      }
    }
  };

  return TextTrackDisplay;
}(Component);

Component.registerComponent('TextTrackDisplay', TextTrackDisplay);

/**
 * @file loading-spinner.js
 */
/**
 * A loading spinner for use during waiting/loading events.
 *
 * @extends Component
 */

var LoadingSpinner = function (_Component) {
  inherits(LoadingSpinner, _Component);

  function LoadingSpinner() {
    classCallCheck(this, LoadingSpinner);
    return possibleConstructorReturn(this, _Component.apply(this, arguments));
  }

  /**
   * Create the `LoadingSpinner`s DOM element.
   *
   * @return {Element}
   *         The dom element that gets created.
   */
  LoadingSpinner.prototype.createEl = function createEl$$1() {
    var isAudio = this.player_.isAudio();
    var playerType = this.localize(isAudio ? 'Audio Player' : 'Video Player');
    var controlText = createEl('span', {
      className: 'vjs-control-text',
      innerHTML: this.localize('{1} is loading.', [playerType])
    });

    var el = _Component.prototype.createEl.call(this, 'div', {
      className: 'vjs-loading-spinner',
      dir: 'ltr'
    });

    el.appendChild(controlText);

    return el;
  };

  return LoadingSpinner;
}(Component);

Component.registerComponent('LoadingSpinner', LoadingSpinner);

/**
 * @file button.js
 */
/**
 * Base class for all buttons.
 *
 * @extends ClickableComponent
 */

var Button = function (_ClickableComponent) {
  inherits(Button, _ClickableComponent);

  function Button() {
    classCallCheck(this, Button);
    return possibleConstructorReturn(this, _ClickableComponent.apply(this, arguments));
  }

  /**
   * Create the `Button`s DOM element.
   *
   * @param {string} [tag="button"]
   *        The element's node type. This argument is IGNORED: no matter what
   *        is passed, it will always create a `button` element.
   *
   * @param {Object} [props={}]
   *        An object of properties that should be set on the element.
   *
   * @param {Object} [attributes={}]
   *        An object of attributes that should be set on the element.
   *
   * @return {Element}
   *         The element that gets created.
   */
  Button.prototype.createEl = function createEl(tag) {
    var props = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
    var attributes = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};

    tag = 'button';

    props = assign({
      innerHTML: '<span aria-hidden="true" class="vjs-icon-placeholder"></span>',
      className: this.buildCSSClass()
    }, props);

    // Add attributes for button element
    attributes = assign({

      // Necessary since the default button type is "submit"
      type: 'button'
    }, attributes);

    var el = Component.prototype.createEl.call(this, tag, props, attributes);

    this.createControlTextEl(el);

    return el;
  };

  /**
   * Add a child `Component` inside of this `Button`.
   *
   * @param {string|Component} child
   *        The name or instance of a child to add.
   *
   * @param {Object} [options={}]
   *        The key/value store of options that will get passed to children of
   *        the child.
   *
   * @return {Component}
   *         The `Component` that gets added as a child. When using a string the
   *         `Component` will get created by this process.
   *
   * @deprecated since version 5
   */


  Button.prototype.addChild = function addChild(child) {
    var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};

    var className = this.constructor.name;

    log.warn('Adding an actionable (user controllable) child to a Button (' + className + ') is not supported; use a ClickableComponent instead.');

    // Avoid the error message generated by ClickableComponent's addChild method
    return Component.prototype.addChild.call(this, child, options);
  };

  /**
   * Enable the `Button` element so that it can be activated or clicked. Use this with
   * {@link Button#disable}.
   */


  Button.prototype.enable = function enable() {
    _ClickableComponent.prototype.enable.call(this);
    this.el_.removeAttribute('disabled');
  };

  /**
   * Disable the `Button` element so that it cannot be activated or clicked. Use this with
   * {@link Button#enable}.
   */


  Button.prototype.disable = function disable() {
    _ClickableComponent.prototype.disable.call(this);
    this.el_.setAttribute('disabled', 'disabled');
  };

  /**
   * This gets called when a `Button` has focus and `keydown` is triggered via a key
   * press.
   *
   * @param {EventTarget~Event} event
   *        The event that caused this function to get called.
   *
   * @listens keydown
   */


  Button.prototype.handleKeyPress = function handleKeyPress(event) {

    // Ignore Space (32) or Enter (13) key operation, which is handled by the browser for a button.
    if (event.which === 32 || event.which === 13) {
      return;
    }

    // Pass keypress handling up for unsupported keys
    _ClickableComponent.prototype.handleKeyPress.call(this, event);
  };

  return Button;
}(ClickableComponent);

Component.registerComponent('Button', Button);

/**
 * @file big-play-button.js
 */
/**
 * The initial play button that shows before the video has played. The hiding of the
 * `BigPlayButton` get done via CSS and `Player` states.
 *
 * @extends Button
 */

var BigPlayButton = function (_Button) {
  inherits(BigPlayButton, _Button);

  function BigPlayButton(player, options) {
    classCallCheck(this, BigPlayButton);

    var _this = possibleConstructorReturn(this, _Button.call(this, player, options));

    _this.mouseused_ = false;

    _this.on('mousedown', _this.handleMouseDown);
    return _this;
  }

  /**
   * Builds the default DOM `className`.
   *
   * @return {string}
   *         The DOM `className` for this object. Always returns 'vjs-big-play-button'.
   */


  BigPlayButton.prototype.buildCSSClass = function buildCSSClass() {
    return 'vjs-big-play-button';
  };

  /**
   * This gets called when a `BigPlayButton` "clicked". See {@link ClickableComponent}
   * for more detailed information on what a click can be.
   *
   * @param {EventTarget~Event} event
   *        The `keydown`, `tap`, or `click` event that caused this function to be
   *        called.
   *
   * @listens tap
   * @listens click
   */


  BigPlayButton.prototype.handleClick = function handleClick(event) {
    var playPromise = this.player_.play();

    // exit early if clicked via the mouse
    if (this.mouseused_ && event.clientX && event.clientY) {
      silencePromise(playPromise);
      return;
    }

    var cb = this.player_.getChild('controlBar');
    var playToggle = cb && cb.getChild('playToggle');

    if (!playToggle) {
      this.player_.focus();
      return;
    }

    var playFocus = function playFocus() {
      return playToggle.focus();
    };

    if (isPromise(playPromise)) {
      playPromise.then(playFocus, function () {});
    } else {
      this.setTimeout(playFocus, 1);
    }
  };

  BigPlayButton.prototype.handleKeyPress = function handleKeyPress(event) {
    this.mouseused_ = false;

    _Button.prototype.handleKeyPress.call(this, event);
  };

  BigPlayButton.prototype.handleMouseDown = function handleMouseDown(event) {
    this.mouseused_ = true;
  };

  return BigPlayButton;
}(Button);

/**
 * The text that should display over the `BigPlayButton`s controls. Added to for localization.
 *
 * @type {string}
 * @private
 */


BigPlayButton.prototype.controlText_ = 'Play Video';

Component.registerComponent('BigPlayButton', BigPlayButton);

/**
 * @file close-button.js
 */
/**
 * The `CloseButton` is a `{@link Button}` that fires a `close` event when
 * it gets clicked.
 *
 * @extends Button
 */

var CloseButton = function (_Button) {
  inherits(CloseButton, _Button);

  /**
   * Creates an instance of the this class.
   *
   * @param  {Player} player
   *         The `Player` that this class should be attached to.
   *
   * @param  {Object} [options]
   *         The key/value store of player options.
   */
  function CloseButton(player, options) {
    classCallCheck(this, CloseButton);

    var _this = possibleConstructorReturn(this, _Button.call(this, player, options));

    _this.controlText(options && options.controlText || _this.localize('Close'));
    return _this;
  }

  /**
   * Builds the default DOM `className`.
   *
   * @return {string}
   *         The DOM `className` for this object.
   */


  CloseButton.prototype.buildCSSClass = function buildCSSClass() {
    return 'vjs-close-button ' + _Button.prototype.buildCSSClass.call(this);
  };

  /**
   * This gets called when a `CloseButton` gets clicked. See
   * {@link ClickableComponent#handleClick} for more information on when this will be
   * triggered
   *
   * @param {EventTarget~Event} event
   *        The `keydown`, `tap`, or `click` event that caused this function to be
   *        called.
   *
   * @listens tap
   * @listens click
   * @fires CloseButton#close
   */


  CloseButton.prototype.handleClick = function handleClick(event) {

    /**
     * Triggered when the a `CloseButton` is clicked.
     *
     * @event CloseButton#close
     * @type {EventTarget~Event}
     *
     * @property {boolean} [bubbles=false]
     *           set to false so that the close event does not
     *           bubble up to parents if there is no listener
     */
    this.trigger({ type: 'close', bubbles: false });
  };

  return CloseButton;
}(Button);

Component.registerComponent('CloseButton', CloseButton);

/**
 * @file play-toggle.js
 */
/**
 * Button to toggle between play and pause.
 *
 * @extends Button
 */

var PlayToggle = function (_Button) {
  inherits(PlayToggle, _Button);

  /**
   * Creates an instance of this class.
   *
   * @param {Player} player
   *        The `Player` that this class should be attached to.
   *
   * @param {Object} [options]
   *        The key/value store of player options.
   */
  function PlayToggle(player, options) {
    classCallCheck(this, PlayToggle);

    var _this = possibleConstructorReturn(this, _Button.call(this, player, options));

    _this.on(player, 'play', _this.handlePlay);
    _this.on(player, 'pause', _this.handlePause);
    _this.on(player, 'ended', _this.handleEnded);
    return _this;
  }

  /**
   * Builds the default DOM `className`.
   *
   * @return {string}
   *         The DOM `className` for this object.
   */


  PlayToggle.prototype.buildCSSClass = function buildCSSClass() {
    return 'vjs-play-control ' + _Button.prototype.buildCSSClass.call(this);
  };

  /**
   * This gets called when an `PlayToggle` is "clicked". See
   * {@link ClickableComponent} for more detailed information on what a click can be.
   *
   * @param {EventTarget~Event} [event]
   *        The `keydown`, `tap`, or `click` event that caused this function to be
   *        called.
   *
   * @listens tap
   * @listens click
   */


  PlayToggle.prototype.handleClick = function handleClick(event) {
    if (this.player_.paused()) {
      this.player_.play();
    } else {
      this.player_.pause();
    }
  };

  /**
   * This gets called once after the video has ended and the user seeks so that
   * we can change the replay button back to a play button.
   *
   * @param {EventTarget~Event} [event]
   *        The event that caused this function to run.
   *
   * @listens Player#seeked
   */


  PlayToggle.prototype.handleSeeked = function handleSeeked(event) {
    this.removeClass('vjs-ended');

    if (this.player_.paused()) {
      this.handlePause(event);
    } else {
      this.handlePlay(event);
    }
  };

  /**
   * Add the vjs-playing class to the element so it can change appearance.
   *
   * @param {EventTarget~Event} [event]
   *        The event that caused this function to run.
   *
   * @listens Player#play
   */


  PlayToggle.prototype.handlePlay = function handlePlay(event) {
    this.removeClass('vjs-ended');
    this.removeClass('vjs-paused');
    this.addClass('vjs-playing');
    // change the button text to "Pause"
    this.controlText('Pause');
  };

  /**
   * Add the vjs-paused class to the element so it can change appearance.
   *
   * @param {EventTarget~Event} [event]
   *        The event that caused this function to run.
   *
   * @listens Player#pause
   */


  PlayToggle.prototype.handlePause = function handlePause(event) {
    this.removeClass('vjs-playing');
    this.addClass('vjs-paused');
    // change the button text to "Play"
    this.controlText('Play');
  };

  /**
   * Add the vjs-ended class to the element so it can change appearance
   *
   * @param {EventTarget~Event} [event]
   *        The event that caused this function to run.
   *
   * @listens Player#ended
   */


  PlayToggle.prototype.handleEnded = function handleEnded(event) {
    this.removeClass('vjs-playing');
    this.addClass('vjs-ended');
    // change the button text to "Replay"
    this.controlText('Replay');

    // on the next seek remove the replay button
    this.one(this.player_, 'seeked', this.handleSeeked);
  };

  return PlayToggle;
}(Button);

/**
 * The text that should display over the `PlayToggle`s controls. Added for localization.
 *
 * @type {string}
 * @private
 */


PlayToggle.prototype.controlText_ = 'Play';

Component.registerComponent('PlayToggle', PlayToggle);

/**
 * @file format-time.js
 * @module format-time
 */

/**
* Format seconds as a time string, H:MM:SS or M:SS. Supplying a guide (in seconds)
* will force a number of leading zeros to cover the length of the guide.
*
* @param {number} seconds
*        Number of seconds to be turned into a string
*
* @param {number} guide
*        Number (in seconds) to model the string after
*
* @return {string}
*         Time formatted as H:MM:SS or M:SS
*/
var defaultImplementation = function defaultImplementation(seconds, guide) {
  seconds = seconds < 0 ? 0 : seconds;
  var s = Math.floor(seconds % 60);
  var m = Math.floor(seconds / 60 % 60);
  var h = Math.floor(seconds / 3600);
  var gm = Math.floor(guide / 60 % 60);
  var gh = Math.floor(guide / 3600);

  // handle invalid times
  if (isNaN(seconds) || seconds === Infinity) {
    // '-' is false for all relational operators (e.g. <, >=) so this setting
    // will add the minimum number of fields specified by the guide
    h = m = s = '-';
  }

  // Check if we need to show hours
  h = h > 0 || gh > 0 ? h + ':' : '';

  // If hours are showing, we may need to add a leading zero.
  // Always show at least one digit of minutes.
  m = ((h || gm >= 10) && m < 10 ? '0' + m : m) + ':';

  // Check if leading zero is need for seconds
  s = s < 10 ? '0' + s : s;

  return h + m + s;
};

var implementation = defaultImplementation;

/**
 * Replaces the default formatTime implementation with a custom implementation.
 *
 * @param {Function} customImplementation
 *        A function which will be used in place of the default formatTime implementation.
 *        Will receive the current time in seconds and the guide (in seconds) as arguments.
 */
function setFormatTime(customImplementation) {
  implementation = customImplementation;
}

/**
 * Resets formatTime to the default implementation.
 */
function resetFormatTime() {
  implementation = defaultImplementation;
}

var formatTime = function (seconds) {
  var guide = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : seconds;

  return implementation(seconds, guide);
};

/**
 * @file time-display.js
 */
/**
 * Displays the time left in the video
 *
 * @extends Component
 */

var TimeDisplay = function (_Component) {
  inherits(TimeDisplay, _Component);

  /**
   * Creates an instance of this class.
   *
   * @param {Player} player
   *        The `Player` that this class should be attached to.
   *
   * @param {Object} [options]
   *        The key/value store of player options.
   */
  function TimeDisplay(player, options) {
    classCallCheck(this, TimeDisplay);

    var _this = possibleConstructorReturn(this, _Component.call(this, player, options));

    _this.throttledUpdateContent = throttle(bind(_this, _this.updateContent), 25);
    _this.on(player, 'timeupdate', _this.throttledUpdateContent);
    return _this;
  }

  /**
   * Create the `Component`'s DOM element
   *
   * @return {Element}
   *         The element that was created.
   */


  TimeDisplay.prototype.createEl = function createEl$$1(plainName) {
    var className = this.buildCSSClass();
    var el = _Component.prototype.createEl.call(this, 'div', {
      className: className + ' vjs-time-control vjs-control',
      innerHTML: '<span class="vjs-control-text">' + this.localize(this.labelText_) + '\xA0</span>'
    });

    this.contentEl_ = createEl('span', {
      className: className + '-display'
    }, {
      // tell screen readers not to automatically read the time as it changes
      'aria-live': 'off'
    });

    this.updateTextNode_();
    el.appendChild(this.contentEl_);
    return el;
  };

  TimeDisplay.prototype.dispose = function dispose() {
    this.contentEl_ = null;
    this.textNode_ = null;

    _Component.prototype.dispose.call(this);
  };

  /**
   * Updates the "remaining time" text node with new content using the
   * contents of the `formattedTime_` property.
   *
   * @private
   */


  TimeDisplay.prototype.updateTextNode_ = function updateTextNode_() {
    if (!this.contentEl_) {
      return;
    }

    while (this.contentEl_.firstChild) {
      this.contentEl_.removeChild(this.contentEl_.firstChild);
    }

    this.textNode_ = document.createTextNode(this.formattedTime_ || this.formatTime_(0));
    this.contentEl_.appendChild(this.textNode_);
  };

  /**
   * Generates a formatted time for this component to use in display.
   *
   * @param  {number} time
   *         A numeric time, in seconds.
   *
   * @return {string}
   *         A formatted time
   *
   * @private
   */


  TimeDisplay.prototype.formatTime_ = function formatTime_(time) {
    return formatTime(time);
  };

  /**
   * Updates the time display text node if it has what was passed in changed
   * the formatted time.
   *
   * @param {number} time
   *        The time to update to
   *
   * @private
   */


  TimeDisplay.prototype.updateFormattedTime_ = function updateFormattedTime_(time) {
    var formattedTime = this.formatTime_(time);

    if (formattedTime === this.formattedTime_) {
      return;
    }

    this.formattedTime_ = formattedTime;
    this.requestAnimationFrame(this.updateTextNode_);
  };

  /**
   * To be filled out in the child class, should update the displayed time
   * in accordance with the fact that the current time has changed.
   *
   * @param {EventTarget~Event} [event]
   *        The `timeupdate`  event that caused this to run.
   *
   * @listens Player#timeupdate
   */


  TimeDisplay.prototype.updateContent = function updateContent(event) {};

  return TimeDisplay;
}(Component);

/**
 * The text that is added to the `TimeDisplay` for screen reader users.
 *
 * @type {string}
 * @private
 */


TimeDisplay.prototype.labelText_ = 'Time';

/**
 * The text that should display over the `TimeDisplay`s controls. Added to for localization.
 *
 * @type {string}
 * @private
 *
 * @deprecated in v7; controlText_ is not used in non-active display Components
 */
TimeDisplay.prototype.controlText_ = 'Time';

Component.registerComponent('TimeDisplay', TimeDisplay);

/**
 * @file current-time-display.js
 */
/**
 * Displays the current time
 *
 * @extends Component
 */

var CurrentTimeDisplay = function (_TimeDisplay) {
  inherits(CurrentTimeDisplay, _TimeDisplay);

  /**
   * Creates an instance of this class.
   *
   * @param {Player} player
   *        The `Player` that this class should be attached to.
   *
   * @param {Object} [options]
   *        The key/value store of player options.
   */
  function CurrentTimeDisplay(player, options) {
    classCallCheck(this, CurrentTimeDisplay);

    var _this = possibleConstructorReturn(this, _TimeDisplay.call(this, player, options));

    _this.on(player, 'ended', _this.handleEnded);
    return _this;
  }

  /**
   * Builds the default DOM `className`.
   *
   * @return {string}
   *         The DOM `className` for this object.
   */


  CurrentTimeDisplay.prototype.buildCSSClass = function buildCSSClass() {
    return 'vjs-current-time';
  };

  /**
   * Update current time display
   *
   * @param {EventTarget~Event} [event]
   *        The `timeupdate` event that caused this function to run.
   *
   * @listens Player#timeupdate
   */


  CurrentTimeDisplay.prototype.updateContent = function updateContent(event) {
    // Allows for smooth scrubbing, when player can't keep up.
    var time = this.player_.scrubbing() ? this.player_.getCache().currentTime : this.player_.currentTime();

    this.updateFormattedTime_(time);
  };

  /**
   * When the player fires ended there should be no time left. Sadly
   * this is not always the case, lets make it seem like that is the case
   * for users.
   *
   * @param {EventTarget~Event} [event]
   *        The `ended` event that caused this to run.
   *
   * @listens Player#ended
   */


  CurrentTimeDisplay.prototype.handleEnded = function handleEnded(event) {
    if (!this.player_.duration()) {
      return;
    }
    this.updateFormattedTime_(this.player_.duration());
  };

  return CurrentTimeDisplay;
}(TimeDisplay);

/**
 * The text that is added to the `CurrentTimeDisplay` for screen reader users.
 *
 * @type {string}
 * @private
 */


CurrentTimeDisplay.prototype.labelText_ = 'Current Time';

/**
 * The text that should display over the `CurrentTimeDisplay`s controls. Added to for localization.
 *
 * @type {string}
 * @private
 *
 * @deprecated in v7; controlText_ is not used in non-active display Components
 */
CurrentTimeDisplay.prototype.controlText_ = 'Current Time';

Component.registerComponent('CurrentTimeDisplay', CurrentTimeDisplay);

/**
 * @file duration-display.js
 */
/**
 * Displays the duration
 *
 * @extends Component
 */

var DurationDisplay = function (_TimeDisplay) {
  inherits(DurationDisplay, _TimeDisplay);

  /**
   * Creates an instance of this class.
   *
   * @param {Player} player
   *        The `Player` that this class should be attached to.
   *
   * @param {Object} [options]
   *        The key/value store of player options.
   */
  function DurationDisplay(player, options) {
    classCallCheck(this, DurationDisplay);

    // we do not want to/need to throttle duration changes,
    // as they should always display the changed duration as
    // it has changed
    var _this = possibleConstructorReturn(this, _TimeDisplay.call(this, player, options));

    _this.on(player, 'durationchange', _this.updateContent);

    // Also listen for timeupdate (in the parent) and loadedmetadata because removing those
    // listeners could have broken dependent applications/libraries. These
    // can likely be removed for 7.0.
    _this.on(player, 'loadedmetadata', _this.throttledUpdateContent);
    return _this;
  }

  /**
   * Builds the default DOM `className`.
   *
   * @return {string}
   *         The DOM `className` for this object.
   */


  DurationDisplay.prototype.buildCSSClass = function buildCSSClass() {
    return 'vjs-duration';
  };

  /**
   * Update duration time display.
   *
   * @param {EventTarget~Event} [event]
   *        The `durationchange`, `timeupdate`, or `loadedmetadata` event that caused
   *        this function to be called.
   *
   * @listens Player#durationchange
   * @listens Player#timeupdate
   * @listens Player#loadedmetadata
   */


  DurationDisplay.prototype.updateContent = function updateContent(event) {
    var duration = this.player_.duration();

    if (duration && this.duration_ !== duration) {
      this.duration_ = duration;
      this.updateFormattedTime_(duration);
    }
  };

  return DurationDisplay;
}(TimeDisplay);

/**
 * The text that is added to the `DurationDisplay` for screen reader users.
 *
 * @type {string}
 * @private
 */


DurationDisplay.prototype.labelText_ = 'Duration';

/**
 * The text that should display over the `DurationDisplay`s controls. Added to for localization.
 *
 * @type {string}
 * @private
 *
 * @deprecated in v7; controlText_ is not used in non-active display Components
 */
DurationDisplay.prototype.controlText_ = 'Duration';

Component.registerComponent('DurationDisplay', DurationDisplay);

/**
 * @file time-divider.js
 */
/**
 * The separator between the current time and duration.
 * Can be hidden if it's not needed in the design.
 *
 * @extends Component
 */

var TimeDivider = function (_Component) {
  inherits(TimeDivider, _Component);

  function TimeDivider() {
    classCallCheck(this, TimeDivider);
    return possibleConstructorReturn(this, _Component.apply(this, arguments));
  }

  /**
   * Create the component's DOM element
   *
   * @return {Element}
   *         The element that was created.
   */
  TimeDivider.prototype.createEl = function createEl() {
    return _Component.prototype.createEl.call(this, 'div', {
      className: 'vjs-time-control vjs-time-divider',
      innerHTML: '<div><span>/</span></div>'
    });
  };

  return TimeDivider;
}(Component);

Component.registerComponent('TimeDivider', TimeDivider);

/**
 * @file remaining-time-display.js
 */
/**
 * Displays the time left in the video
 *
 * @extends Component
 */

var RemainingTimeDisplay = function (_TimeDisplay) {
  inherits(RemainingTimeDisplay, _TimeDisplay);

  /**
   * Creates an instance of this class.
   *
   * @param {Player} player
   *        The `Player` that this class should be attached to.
   *
   * @param {Object} [options]
   *        The key/value store of player options.
   */
  function RemainingTimeDisplay(player, options) {
    classCallCheck(this, RemainingTimeDisplay);

    var _this = possibleConstructorReturn(this, _TimeDisplay.call(this, player, options));

    _this.on(player, 'durationchange', _this.throttledUpdateContent);
    _this.on(player, 'ended', _this.handleEnded);
    return _this;
  }

  /**
   * Builds the default DOM `className`.
   *
   * @return {string}
   *         The DOM `className` for this object.
   */


  RemainingTimeDisplay.prototype.buildCSSClass = function buildCSSClass() {
    return 'vjs-remaining-time';
  };

  /**
   * The remaining time display prefixes numbers with a "minus" character.
   *
   * @param  {number} time
   *         A numeric time, in seconds.
   *
   * @return {string}
   *         A formatted time
   *
   * @private
   */


  RemainingTimeDisplay.prototype.formatTime_ = function formatTime_(time) {
    // TODO: The "-" should be decorative, and not announced by a screen reader
    return '-' + _TimeDisplay.prototype.formatTime_.call(this, time);
  };

  /**
   * Update remaining time display.
   *
   * @param {EventTarget~Event} [event]
   *        The `timeupdate` or `durationchange` event that caused this to run.
   *
   * @listens Player#timeupdate
   * @listens Player#durationchange
   */


  RemainingTimeDisplay.prototype.updateContent = function updateContent(event) {
    if (!this.player_.duration()) {
      return;
    }

    // @deprecated We should only use remainingTimeDisplay
    // as of video.js 7
    if (this.player_.remainingTimeDisplay) {
      this.updateFormattedTime_(this.player_.remainingTimeDisplay());
    } else {
      this.updateFormattedTime_(this.player_.remainingTime());
    }
  };

  /**
   * When the player fires ended there should be no time left. Sadly
   * this is not always the case, lets make it seem like that is the case
   * for users.
   *
   * @param {EventTarget~Event} [event]
   *        The `ended` event that caused this to run.
   *
   * @listens Player#ended
   */


  RemainingTimeDisplay.prototype.handleEnded = function handleEnded(event) {
    if (!this.player_.duration()) {
      return;
    }
    this.updateFormattedTime_(0);
  };

  return RemainingTimeDisplay;
}(TimeDisplay);

/**
 * The text that is added to the `RemainingTimeDisplay` for screen reader users.
 *
 * @type {string}
 * @private
 */


RemainingTimeDisplay.prototype.labelText_ = 'Remaining Time';

/**
 * The text that should display over the `RemainingTimeDisplay`s controls. Added to for localization.
 *
 * @type {string}
 * @private
 *
 * @deprecated in v7; controlText_ is not used in non-active display Components
 */
RemainingTimeDisplay.prototype.controlText_ = 'Remaining Time';

Component.registerComponent('RemainingTimeDisplay', RemainingTimeDisplay);

/**
 * @file live-display.js
 */
// TODO - Future make it click to snap to live

/**
 * Displays the live indicator when duration is Infinity.
 *
 * @extends Component
 */

var LiveDisplay = function (_Component) {
  inherits(LiveDisplay, _Component);

  /**
   * Creates an instance of this class.
   *
   * @param {Player} player
   *        The `Player` that this class should be attached to.
   *
   * @param {Object} [options]
   *        The key/value store of player options.
   */
  function LiveDisplay(player, options) {
    classCallCheck(this, LiveDisplay);

    var _this = possibleConstructorReturn(this, _Component.call(this, player, options));

    _this.updateShowing();
    _this.on(_this.player(), 'durationchange', _this.updateShowing);
    return _this;
  }

  /**
   * Create the `Component`'s DOM element
   *
   * @return {Element}
   *         The element that was created.
   */


  LiveDisplay.prototype.createEl = function createEl$$1() {
    var el = _Component.prototype.createEl.call(this, 'div', {
      className: 'vjs-live-control vjs-control'
    });

    this.contentEl_ = createEl('div', {
      className: 'vjs-live-display',
      innerHTML: '<span class="vjs-control-text">' + this.localize('Stream Type') + '\xA0</span>' + this.localize('LIVE')
    }, {
      'aria-live': 'off'
    });

    el.appendChild(this.contentEl_);
    return el;
  };

  LiveDisplay.prototype.dispose = function dispose() {
    this.contentEl_ = null;

    _Component.prototype.dispose.call(this);
  };

  /**
   * Check the duration to see if the LiveDisplay should be showing or not. Then show/hide
   * it accordingly
   *
   * @param {EventTarget~Event} [event]
   *        The {@link Player#durationchange} event that caused this function to run.
   *
   * @listens Player#durationchange
   */


  LiveDisplay.prototype.updateShowing = function updateShowing(event) {
    if (this.player().duration() === Infinity) {
      this.show();
    } else {
      this.hide();
    }
  };

  return LiveDisplay;
}(Component);

Component.registerComponent('LiveDisplay', LiveDisplay);

/**
 * @file slider.js
 */
/**
 * The base functionality for a slider. Can be vertical or horizontal.
 * For instance the volume bar or the seek bar on a video is a slider.
 *
 * @extends Component
 */

var Slider = function (_Component) {
  inherits(Slider, _Component);

  /**
   * Create an instance of this class
   *
   * @param {Player} player
   *        The `Player` that this class should be attached to.
   *
   * @param {Object} [options]
   *        The key/value store of player options.
   */
  function Slider(player, options) {
    classCallCheck(this, Slider);

    // Set property names to bar to match with the child Slider class is looking for
    var _this = possibleConstructorReturn(this, _Component.call(this, player, options));

    _this.bar = _this.getChild(_this.options_.barName);

    // Set a horizontal or vertical class on the slider depending on the slider type
    _this.vertical(!!_this.options_.vertical);

    _this.enable();
    return _this;
  }

  /**
   * Are controls are currently enabled for this slider or not.
   *
   * @return {boolean}
   *         true if controls are enabled, false otherwise
   */


  Slider.prototype.enabled = function enabled() {
    return this.enabled_;
  };

  /**
   * Enable controls for this slider if they are disabled
   */


  Slider.prototype.enable = function enable() {
    if (this.enabled()) {
      return;
    }

    this.on('mousedown', this.handleMouseDown);
    this.on('touchstart', this.handleMouseDown);
    this.on('focus', this.handleFocus);
    this.on('blur', this.handleBlur);
    this.on('click', this.handleClick);

    this.on(this.player_, 'controlsvisible', this.update);

    if (this.playerEvent) {
      this.on(this.player_, this.playerEvent, this.update);
    }

    this.removeClass('disabled');
    this.setAttribute('tabindex', 0);

    this.enabled_ = true;
  };

  /**
   * Disable controls for this slider if they are enabled
   */


  Slider.prototype.disable = function disable() {
    if (!this.enabled()) {
      return;
    }
    var doc = this.bar.el_.ownerDocument;

    this.off('mousedown', this.handleMouseDown);
    this.off('touchstart', this.handleMouseDown);
    this.off('focus', this.handleFocus);
    this.off('blur', this.handleBlur);
    this.off('click', this.handleClick);
    this.off(this.player_, 'controlsvisible', this.update);
    this.off(doc, 'mousemove', this.handleMouseMove);
    this.off(doc, 'mouseup', this.handleMouseUp);
    this.off(doc, 'touchmove', this.handleMouseMove);
    this.off(doc, 'touchend', this.handleMouseUp);
    this.removeAttribute('tabindex');

    this.addClass('disabled');

    if (this.playerEvent) {
      this.off(this.player_, this.playerEvent, this.update);
    }
    this.enabled_ = false;
  };

  /**
   * Create the `Button`s DOM element.
   *
   * @param {string} type
   *        Type of element to create.
   *
   * @param {Object} [props={}]
   *        List of properties in Object form.
   *
   * @param {Object} [attributes={}]
   *        list of attributes in Object form.
   *
   * @return {Element}
   *         The element that gets created.
   */


  Slider.prototype.createEl = function createEl$$1(type) {
    var props = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
    var attributes = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};

    // Add the slider element class to all sub classes
    props.className = props.className + ' vjs-slider';
    props = assign({
      tabIndex: 0
    }, props);

    attributes = assign({
      'role': 'slider',
      'aria-valuenow': 0,
      'aria-valuemin': 0,
      'aria-valuemax': 100,
      'tabIndex': 0
    }, attributes);

    return _Component.prototype.createEl.call(this, type, props, attributes);
  };

  /**
   * Handle `mousedown` or `touchstart` events on the `Slider`.
   *
   * @param {EventTarget~Event} event
   *        `mousedown` or `touchstart` event that triggered this function
   *
   * @listens mousedown
   * @listens touchstart
   * @fires Slider#slideractive
   */


  Slider.prototype.handleMouseDown = function handleMouseDown(event) {
    var doc = this.bar.el_.ownerDocument;

    if (event.type === 'mousedown') {
      event.preventDefault();
    }
    // Do not call preventDefault() on touchstart in Chrome
    // to avoid console warnings. Use a 'touch-action: none' style
    // instead to prevent unintented scrolling.
    // https://developers.google.com/web/updates/2017/01/scrolling-intervention
    if (event.type === 'touchstart' && !IS_CHROME) {
      event.preventDefault();
    }
    blockTextSelection();

    this.addClass('vjs-sliding');
    /**
     * Triggered when the slider is in an active state
     *
     * @event Slider#slideractive
     * @type {EventTarget~Event}
     */
    this.trigger('slideractive');

    this.on(doc, 'mousemove', this.handleMouseMove);
    this.on(doc, 'mouseup', this.handleMouseUp);
    this.on(doc, 'touchmove', this.handleMouseMove);
    this.on(doc, 'touchend', this.handleMouseUp);

    this.handleMouseMove(event);
  };

  /**
   * Handle the `mousemove`, `touchmove`, and `mousedown` events on this `Slider`.
   * The `mousemove` and `touchmove` events will only only trigger this function during
   * `mousedown` and `touchstart`. This is due to {@link Slider#handleMouseDown} and
   * {@link Slider#handleMouseUp}.
   *
   * @param {EventTarget~Event} event
   *        `mousedown`, `mousemove`, `touchstart`, or `touchmove` event that triggered
   *        this function
   *
   * @listens mousemove
   * @listens touchmove
   */


  Slider.prototype.handleMouseMove = function handleMouseMove(event) {};

  /**
   * Handle `mouseup` or `touchend` events on the `Slider`.
   *
   * @param {EventTarget~Event} event
   *        `mouseup` or `touchend` event that triggered this function.
   *
   * @listens touchend
   * @listens mouseup
   * @fires Slider#sliderinactive
   */


  Slider.prototype.handleMouseUp = function handleMouseUp() {
    var doc = this.bar.el_.ownerDocument;

    unblockTextSelection();

    this.removeClass('vjs-sliding');
    /**
     * Triggered when the slider is no longer in an active state.
     *
     * @event Slider#sliderinactive
     * @type {EventTarget~Event}
     */
    this.trigger('sliderinactive');

    this.off(doc, 'mousemove', this.handleMouseMove);
    this.off(doc, 'mouseup', this.handleMouseUp);
    this.off(doc, 'touchmove', this.handleMouseMove);
    this.off(doc, 'touchend', this.handleMouseUp);

    this.update();
  };

  /**
   * Update the progress bar of the `Slider`.
   *
   * @returns {number}
   *          The percentage of progress the progress bar represents as a
   *          number from 0 to 1.
   */


  Slider.prototype.update = function update() {

    // In VolumeBar init we have a setTimeout for update that pops and update
    // to the end of the execution stack. The player is destroyed before then
    // update will cause an error
    if (!this.el_) {
      return;
    }

    // If scrubbing, we could use a cached value to make the handle keep up
    // with the user's mouse. On HTML5 browsers scrubbing is really smooth, but
    // some flash players are slow, so we might want to utilize this later.
    // var progress =  (this.player_.scrubbing()) ? this.player_.getCache().currentTime / this.player_.duration() : this.player_.currentTime() / this.player_.duration();
    var progress = this.getPercent();
    var bar = this.bar;

    // If there's no bar...
    if (!bar) {
      return;
    }

    // Protect against no duration and other division issues
    if (typeof progress !== 'number' || progress !== progress || progress < 0 || progress === Infinity) {
      progress = 0;
    }

    // Convert to a percentage for setting
    var percentage = (progress * 100).toFixed(2) + '%';
    var style = bar.el().style;

    // Set the new bar width or height
    if (this.vertical()) {
      style.height = percentage;
    } else {
      style.width = percentage;
    }

    return progress;
  };

  /**
   * Calculate distance for slider
   *
   * @param {EventTarget~Event} event
   *        The event that caused this function to run.
   *
   * @return {number}
   *         The current position of the Slider.
   *         - postition.x for vertical `Slider`s
   *         - postition.y for horizontal `Slider`s
   */


  Slider.prototype.calculateDistance = function calculateDistance(event) {
    var position = getPointerPosition(this.el_, event);

    if (this.vertical()) {
      return position.y;
    }
    return position.x;
  };

  /**
   * Handle a `focus` event on this `Slider`.
   *
   * @param {EventTarget~Event} event
   *        The `focus` event that caused this function to run.
   *
   * @listens focus
   */


  Slider.prototype.handleFocus = function handleFocus() {
    this.on(this.bar.el_.ownerDocument, 'keydown', this.handleKeyPress);
  };

  /**
   * Handle a `keydown` event on the `Slider`. Watches for left, rigth, up, and down
   * arrow keys. This function will only be called when the slider has focus. See
   * {@link Slider#handleFocus} and {@link Slider#handleBlur}.
   *
   * @param {EventTarget~Event} event
   *        the `keydown` event that caused this function to run.
   *
   * @listens keydown
   */


  Slider.prototype.handleKeyPress = function handleKeyPress(event) {
    // Left and Down Arrows
    if (event.which === 37 || event.which === 40) {
      event.preventDefault();
      this.stepBack();

      // Up and Right Arrows
    } else if (event.which === 38 || event.which === 39) {
      event.preventDefault();
      this.stepForward();
    }
  };

  /**
   * Handle a `blur` event on this `Slider`.
   *
   * @param {EventTarget~Event} event
   *        The `blur` event that caused this function to run.
   *
   * @listens blur
   */

  Slider.prototype.handleBlur = function handleBlur() {
    this.off(this.bar.el_.ownerDocument, 'keydown', this.handleKeyPress);
  };

  /**
   * Listener for click events on slider, used to prevent clicks
   *   from bubbling up to parent elements like button menus.
   *
   * @param {Object} event
   *        Event that caused this object to run
   */


  Slider.prototype.handleClick = function handleClick(event) {
    event.stopImmediatePropagation();
    event.preventDefault();
  };

  /**
   * Get/set if slider is horizontal for vertical
   *
   * @param {boolean} [bool]
   *        - true if slider is vertical,
   *        - false is horizontal
   *
   * @return {boolean}
   *         - true if slider is vertical, and getting
   *         - false if the slider is horizontal, and getting
   */


  Slider.prototype.vertical = function vertical(bool) {
    if (bool === undefined) {
      return this.vertical_ || false;
    }

    this.vertical_ = !!bool;

    if (this.vertical_) {
      this.addClass('vjs-slider-vertical');
    } else {
      this.addClass('vjs-slider-horizontal');
    }
  };

  return Slider;
}(Component);

Component.registerComponent('Slider', Slider);

/**
 * @file load-progress-bar.js
 */
/**
 * Shows loading progress
 *
 * @extends Component
 */

var LoadProgressBar = function (_Component) {
  inherits(LoadProgressBar, _Component);

  /**
   * Creates an instance of this class.
   *
   * @param {Player} player
   *        The `Player` that this class should be attached to.
   *
   * @param {Object} [options]
   *        The key/value store of player options.
   */
  function LoadProgressBar(player, options) {
    classCallCheck(this, LoadProgressBar);

    var _this = possibleConstructorReturn(this, _Component.call(this, player, options));

    _this.partEls_ = [];
    _this.on(player, 'progress', _this.update);
    return _this;
  }

  /**
   * Create the `Component`'s DOM element
   *
   * @return {Element}
   *         The element that was created.
   */


  LoadProgressBar.prototype.createEl = function createEl$$1() {
    return _Component.prototype.createEl.call(this, 'div', {
      className: 'vjs-load-progress',
      innerHTML: '<span class="vjs-control-text"><span>' + this.localize('Loaded') + '</span>: 0%</span>'
    });
  };

  LoadProgressBar.prototype.dispose = function dispose() {
    this.partEls_ = null;

    _Component.prototype.dispose.call(this);
  };

  /**
   * Update progress bar
   *
   * @param {EventTarget~Event} [event]
   *        The `progress` event that caused this function to run.
   *
   * @listens Player#progress
   */


  LoadProgressBar.prototype.update = function update(event) {
    var buffered = this.player_.buffered();
    var duration = this.player_.duration();
    var bufferedEnd = this.player_.bufferedEnd();
    var children = this.partEls_;

    // get the percent width of a time compared to the total end
    var percentify = function percentify(time, end) {
      // no NaN
      var percent = time / end || 0;

      return (percent >= 1 ? 1 : percent) * 100 + '%';
    };

    // update the width of the progress bar
    this.el_.style.width = percentify(bufferedEnd, duration);

    // add child elements to represent the individual buffered time ranges
    for (var i = 0; i < buffered.length; i++) {
      var start = buffered.start(i);
      var end = buffered.end(i);
      var part = children[i];

      if (!part) {
        part = this.el_.appendChild(createEl());
        children[i] = part;
      }

      // set the percent based on the width of the progress bar (bufferedEnd)
      part.style.left = percentify(start, bufferedEnd);
      part.style.width = percentify(end - start, bufferedEnd);
    }

    // remove unused buffered range elements
    for (var _i = children.length; _i > buffered.length; _i--) {
      this.el_.removeChild(children[_i - 1]);
    }
    children.length = buffered.length;
  };

  return LoadProgressBar;
}(Component);

Component.registerComponent('LoadProgressBar', LoadProgressBar);

/**
 * @file time-tooltip.js
 */
/**
 * Time tooltips display a time above the progress bar.
 *
 * @extends Component
 */

var TimeTooltip = function (_Component) {
  inherits(TimeTooltip, _Component);

  function TimeTooltip() {
    classCallCheck(this, TimeTooltip);
    return possibleConstructorReturn(this, _Component.apply(this, arguments));
  }

  /**
   * Create the time tooltip DOM element
   *
   * @return {Element}
   *         The element that was created.
   */
  TimeTooltip.prototype.createEl = function createEl$$1() {
    return _Component.prototype.createEl.call(this, 'div', {
      className: 'vjs-time-tooltip'
    });
  };

  /**
   * Updates the position of the time tooltip relative to the `SeekBar`.
   *
   * @param {Object} seekBarRect
   *        The `ClientRect` for the {@link SeekBar} element.
   *
   * @param {number} seekBarPoint
   *        A number from 0 to 1, representing a horizontal reference point
   *        from the left edge of the {@link SeekBar}
   */


  TimeTooltip.prototype.update = function update(seekBarRect, seekBarPoint, content) {
    var tooltipRect = getBoundingClientRect(this.el_);
    var playerRect = getBoundingClientRect(this.player_.el());
    var seekBarPointPx = seekBarRect.width * seekBarPoint;

    // do nothing if either rect isn't available
    // for example, if the player isn't in the DOM for testing
    if (!playerRect || !tooltipRect) {
      return;
    }

    // This is the space left of the `seekBarPoint` available within the bounds
    // of the player. We calculate any gap between the left edge of the player
    // and the left edge of the `SeekBar` and add the number of pixels in the
    // `SeekBar` before hitting the `seekBarPoint`
    var spaceLeftOfPoint = seekBarRect.left - playerRect.left + seekBarPointPx;

    // This is the space right of the `seekBarPoint` available within the bounds
    // of the player. We calculate the number of pixels from the `seekBarPoint`
    // to the right edge of the `SeekBar` and add to that any gap between the
    // right edge of the `SeekBar` and the player.
    var spaceRightOfPoint = seekBarRect.width - seekBarPointPx + (playerRect.right - seekBarRect.right);

    // This is the number of pixels by which the tooltip will need to be pulled
    // further to the right to center it over the `seekBarPoint`.
    var pullTooltipBy = tooltipRect.width / 2;

    // Adjust the `pullTooltipBy` distance to the left or right depending on
    // the results of the space calculations above.
    if (spaceLeftOfPoint < pullTooltipBy) {
      pullTooltipBy += pullTooltipBy - spaceLeftOfPoint;
    } else if (spaceRightOfPoint < pullTooltipBy) {
      pullTooltipBy = spaceRightOfPoint;
    }

    // Due to the imprecision of decimal/ratio based calculations and varying
    // rounding behaviors, there are cases where the spacing adjustment is off
    // by a pixel or two. This adds insurance to these calculations.
    if (pullTooltipBy < 0) {
      pullTooltipBy = 0;
    } else if (pullTooltipBy > tooltipRect.width) {
      pullTooltipBy = tooltipRect.width;
    }

    this.el_.style.right = '-' + pullTooltipBy + 'px';
    textContent(this.el_, content);
  };

  return TimeTooltip;
}(Component);

Component.registerComponent('TimeTooltip', TimeTooltip);

/**
 * @file play-progress-bar.js
 */
/**
 * Used by {@link SeekBar} to display media playback progress as part of the
 * {@link ProgressControl}.
 *
 * @extends Component
 */

var PlayProgressBar = function (_Component) {
  inherits(PlayProgressBar, _Component);

  function PlayProgressBar() {
    classCallCheck(this, PlayProgressBar);
    return possibleConstructorReturn(this, _Component.apply(this, arguments));
  }

  /**
   * Create the the DOM element for this class.
   *
   * @return {Element}
   *         The element that was created.
   */
  PlayProgressBar.prototype.createEl = function createEl() {
    return _Component.prototype.createEl.call(this, 'div', {
      className: 'vjs-play-progress vjs-slider-bar',
      innerHTML: '<span class="vjs-control-text"><span>' + this.localize('Progress') + '</span>: 0%</span>'
    });
  };

  /**
   * Enqueues updates to its own DOM as well as the DOM of its
   * {@link TimeTooltip} child.
   *
   * @param {Object} seekBarRect
   *        The `ClientRect` for the {@link SeekBar} element.
   *
   * @param {number} seekBarPoint
   *        A number from 0 to 1, representing a horizontal reference point
   *        from the left edge of the {@link SeekBar}
   */


  PlayProgressBar.prototype.update = function update(seekBarRect, seekBarPoint) {
    var _this2 = this;

    // If there is an existing rAF ID, cancel it so we don't over-queue.
    if (this.rafId_) {
      this.cancelAnimationFrame(this.rafId_);
    }

    this.rafId_ = this.requestAnimationFrame(function () {
      var time = _this2.player_.scrubbing() ? _this2.player_.getCache().currentTime : _this2.player_.currentTime();

      var content = formatTime(time, _this2.player_.duration());
      var timeTooltip = _this2.getChild('timeTooltip');

      if (timeTooltip) {
        timeTooltip.update(seekBarRect, seekBarPoint, content);
      }
    });
  };

  return PlayProgressBar;
}(Component);

/**
 * Default options for {@link PlayProgressBar}.
 *
 * @type {Object}
 * @private
 */


PlayProgressBar.prototype.options_ = {
  children: []
};

// Time tooltips should not be added to a player on mobile devices or IE8
if ((!IE_VERSION || IE_VERSION > 8) && !IS_IOS && !IS_ANDROID) {
  PlayProgressBar.prototype.options_.children.push('timeTooltip');
}

Component.registerComponent('PlayProgressBar', PlayProgressBar);

/**
 * @file mouse-time-display.js
 */
/**
 * The {@link MouseTimeDisplay} component tracks mouse movement over the
 * {@link ProgressControl}. It displays an indicator and a {@link TimeTooltip}
 * indicating the time which is represented by a given point in the
 * {@link ProgressControl}.
 *
 * @extends Component
 */

var MouseTimeDisplay = function (_Component) {
  inherits(MouseTimeDisplay, _Component);

  /**
   * Creates an instance of this class.
   *
   * @param {Player} player
   *        The {@link Player} that this class should be attached to.
   *
   * @param {Object} [options]
   *        The key/value store of player options.
   */
  function MouseTimeDisplay(player, options) {
    classCallCheck(this, MouseTimeDisplay);

    var _this = possibleConstructorReturn(this, _Component.call(this, player, options));

    _this.update = throttle(bind(_this, _this.update), 25);
    return _this;
  }

  /**
   * Create the DOM element for this class.
   *
   * @return {Element}
   *         The element that was created.
   */


  MouseTimeDisplay.prototype.createEl = function createEl() {
    return _Component.prototype.createEl.call(this, 'div', {
      className: 'vjs-mouse-display'
    });
  };

  /**
   * Enqueues updates to its own DOM as well as the DOM of its
   * {@link TimeTooltip} child.
   *
   * @param {Object} seekBarRect
   *        The `ClientRect` for the {@link SeekBar} element.
   *
   * @param {number} seekBarPoint
   *        A number from 0 to 1, representing a horizontal reference point
   *        from the left edge of the {@link SeekBar}
   */


  MouseTimeDisplay.prototype.update = function update(seekBarRect, seekBarPoint) {
    var _this2 = this;

    // If there is an existing rAF ID, cancel it so we don't over-queue.
    if (this.rafId_) {
      this.cancelAnimationFrame(this.rafId_);
    }

    this.rafId_ = this.requestAnimationFrame(function () {
      var duration = _this2.player_.duration();
      var content = formatTime(seekBarPoint * duration, duration);

      _this2.el_.style.left = seekBarRect.width * seekBarPoint + 'px';
      _this2.getChild('timeTooltip').update(seekBarRect, seekBarPoint, content);
    });
  };

  return MouseTimeDisplay;
}(Component);

/**
 * Default options for `MouseTimeDisplay`
 *
 * @type {Object}
 * @private
 */


MouseTimeDisplay.prototype.options_ = {
  children: ['timeTooltip']
};

Component.registerComponent('MouseTimeDisplay', MouseTimeDisplay);

/**
 * @file seek-bar.js
 */
// The number of seconds the `step*` functions move the timeline.
var STEP_SECONDS = 5;

// The interval at which the bar should update as it progresses.
var UPDATE_REFRESH_INTERVAL = 30;

/**
 * Seek bar and container for the progress bars. Uses {@link PlayProgressBar}
 * as its `bar`.
 *
 * @extends Slider
 */

var SeekBar = function (_Slider) {
  inherits(SeekBar, _Slider);

  /**
   * Creates an instance of this class.
   *
   * @param {Player} player
   *        The `Player` that this class should be attached to.
   *
   * @param {Object} [options]
   *        The key/value store of player options.
   */
  function SeekBar(player, options) {
    classCallCheck(this, SeekBar);

    var _this = possibleConstructorReturn(this, _Slider.call(this, player, options));

    _this.setEventHandlers_();
    return _this;
  }

  /**
   * Sets the event handlers
   *
   * @private
   */


  SeekBar.prototype.setEventHandlers_ = function setEventHandlers_() {
    var _this2 = this;

    this.update = throttle(bind(this, this.update), UPDATE_REFRESH_INTERVAL);

    this.on(this.player_, 'timeupdate', this.update);
    this.on(this.player_, 'ended', this.handleEnded);

    // when playing, let's ensure we smoothly update the play progress bar
    // via an interval
    this.updateInterval = null;

    this.on(this.player_, ['playing'], function () {
      _this2.clearInterval(_this2.updateInterval);

      _this2.updateInterval = _this2.setInterval(function () {
        _this2.requestAnimationFrame(function () {
          _this2.update();
        });
      }, UPDATE_REFRESH_INTERVAL);
    });

    this.on(this.player_, ['ended', 'pause', 'waiting'], function () {
      _this2.clearInterval(_this2.updateInterval);
    });

    this.on(this.player_, ['timeupdate', 'ended'], this.update);
  };

  /**
   * Create the `Component`'s DOM element
   *
   * @return {Element}
   *         The element that was created.
   */


  SeekBar.prototype.createEl = function createEl$$1() {
    return _Slider.prototype.createEl.call(this, 'div', {
      className: 'vjs-progress-holder'
    }, {
      'aria-label': this.localize('Progress Bar')
    });
  };

  /**
   * This function updates the play progress bar and accessiblity
   * attributes to whatever is passed in.
   *
   * @param {number} currentTime
   *        The currentTime value that should be used for accessiblity
   *
   * @param {number} percent
   *        The percentage as a decimal that the bar should be filled from 0-1.
   *
   * @private
   */


  SeekBar.prototype.update_ = function update_(currentTime, percent) {
    var duration = this.player_.duration();

    // machine readable value of progress bar (percentage complete)
    this.el_.setAttribute('aria-valuenow', (percent * 100).toFixed(2));

    // human readable value of progress bar (time complete)
    this.el_.setAttribute('aria-valuetext', this.localize('progress bar timing: currentTime={1} duration={2}', [formatTime(currentTime, duration), formatTime(duration, duration)], '{1} of {2}'));

    // Update the `PlayProgressBar`.
    this.bar.update(getBoundingClientRect(this.el_), percent);
  };

  /**
   * Update the seek bar's UI.
   *
   * @param {EventTarget~Event} [event]
   *        The `timeupdate` or `ended` event that caused this to run.
   *
   * @listens Player#timeupdate
   *
   * @returns {number}
   *          The current percent at a number from 0-1
   */


  SeekBar.prototype.update = function update(event) {
    var percent = _Slider.prototype.update.call(this);

    this.update_(this.getCurrentTime_(), percent);
    return percent;
  };

  /**
   * Get the value of current time but allows for smooth scrubbing,
   * when player can't keep up.
   *
   * @return {number}
   *         The current time value to display
   *
   * @private
   */


  SeekBar.prototype.getCurrentTime_ = function getCurrentTime_() {
    return this.player_.scrubbing() ? this.player_.getCache().currentTime : this.player_.currentTime();
  };

  /**
   * We want the seek bar to be full on ended
   * no matter what the actual internal values are. so we force it.
   *
   * @param {EventTarget~Event} [event]
   *        The `timeupdate` or `ended` event that caused this to run.
   *
   * @listens Player#ended
   */


  SeekBar.prototype.handleEnded = function handleEnded(event) {
    this.update_(this.player_.duration(), 1);
  };

  /**
   * Get the percentage of media played so far.
   *
   * @return {number}
   *         The percentage of media played so far (0 to 1).
   */


  SeekBar.prototype.getPercent = function getPercent() {
    var percent = this.getCurrentTime_() / this.player_.duration();

    return percent >= 1 ? 1 : percent;
  };

  /**
   * Handle mouse down on seek bar
   *
   * @param {EventTarget~Event} event
   *        The `mousedown` event that caused this to run.
   *
   * @listens mousedown
   */


  SeekBar.prototype.handleMouseDown = function handleMouseDown(event) {
    if (!isSingleLeftClick(event)) {
      return;
    }

    // Stop event propagation to prevent double fire in progress-control.js
    event.stopPropagation();
    this.player_.scrubbing(true);

    this.videoWasPlaying = !this.player_.paused();
    this.player_.pause();

    _Slider.prototype.handleMouseDown.call(this, event);
  };

  /**
   * Handle mouse move on seek bar
   *
   * @param {EventTarget~Event} event
   *        The `mousemove` event that caused this to run.
   *
   * @listens mousemove
   */


  SeekBar.prototype.handleMouseMove = function handleMouseMove(event) {
    if (!isSingleLeftClick(event)) {
      return;
    }

    var newTime = this.calculateDistance(event) * this.player_.duration();

    // Don't let video end while scrubbing.
    if (newTime === this.player_.duration()) {
      newTime = newTime - 0.1;
    }

    // Set new time (tell player to seek to new time)
    this.player_.currentTime(newTime);
  };

  SeekBar.prototype.enable = function enable() {
    _Slider.prototype.enable.call(this);
    var mouseTimeDisplay = this.getChild('mouseTimeDisplay');

    if (!mouseTimeDisplay) {
      return;
    }

    mouseTimeDisplay.show();
  };

  SeekBar.prototype.disable = function disable() {
    _Slider.prototype.disable.call(this);
    var mouseTimeDisplay = this.getChild('mouseTimeDisplay');

    if (!mouseTimeDisplay) {
      return;
    }

    mouseTimeDisplay.hide();
  };

  /**
   * Handle mouse up on seek bar
   *
   * @param {EventTarget~Event} event
   *        The `mouseup` event that caused this to run.
   *
   * @listens mouseup
   */


  SeekBar.prototype.handleMouseUp = function handleMouseUp(event) {
    _Slider.prototype.handleMouseUp.call(this, event);

    // Stop event propagation to prevent double fire in progress-control.js
    if (event) {
      event.stopPropagation();
    }
    this.player_.scrubbing(false);

    /**
     * Trigger timeupdate because we're done seeking and the time has changed.
     * This is particularly useful for if the player is paused to time the time displays.
     *
     * @event Tech#timeupdate
     * @type {EventTarget~Event}
     */
    this.player_.trigger({ type: 'timeupdate', target: this, manuallyTriggered: true });
    if (this.videoWasPlaying) {
      silencePromise(this.player_.play());
    }
  };

  /**
   * Move more quickly fast forward for keyboard-only users
   */


  SeekBar.prototype.stepForward = function stepForward() {
    this.player_.currentTime(this.player_.currentTime() + STEP_SECONDS);
  };

  /**
   * Move more quickly rewind for keyboard-only users
   */


  SeekBar.prototype.stepBack = function stepBack() {
    this.player_.currentTime(this.player_.currentTime() - STEP_SECONDS);
  };

  /**
   * Toggles the playback state of the player
   * This gets called when enter or space is used on the seekbar
   *
   * @param {EventTarget~Event} event
   *        The `keydown` event that caused this function to be called
   *
   */


  SeekBar.prototype.handleAction = function handleAction(event) {
    if (this.player_.paused()) {
      this.player_.play();
    } else {
      this.player_.pause();
    }
  };

  /**
   * Called when this SeekBar has focus and a key gets pressed down. By
   * default it will call `this.handleAction` when the key is space or enter.
   *
   * @param {EventTarget~Event} event
   *        The `keydown` event that caused this function to be called.
   *
   * @listens keydown
   */


  SeekBar.prototype.handleKeyPress = function handleKeyPress(event) {

    // Support Space (32) or Enter (13) key operation to fire a click event
    if (event.which === 32 || event.which === 13) {
      event.preventDefault();
      this.handleAction(event);
    } else if (_Slider.prototype.handleKeyPress) {

      // Pass keypress handling up for unsupported keys
      _Slider.prototype.handleKeyPress.call(this, event);
    }
  };

  return SeekBar;
}(Slider);

/**
 * Default options for the `SeekBar`
 *
 * @type {Object}
 * @private
 */


SeekBar.prototype.options_ = {
  children: ['loadProgressBar', 'playProgressBar'],
  barName: 'playProgressBar'
};

// MouseTimeDisplay tooltips should not be added to a player on mobile devices or IE8
if ((!IE_VERSION || IE_VERSION > 8) && !IS_IOS && !IS_ANDROID) {
  SeekBar.prototype.options_.children.splice(1, 0, 'mouseTimeDisplay');
}

/**
 * Call the update event for this Slider when this event happens on the player.
 *
 * @type {string}
 */
SeekBar.prototype.playerEvent = 'timeupdate';

Component.registerComponent('SeekBar', SeekBar);

/**
 * @file progress-control.js
 */
/**
 * The Progress Control component contains the seek bar, load progress,
 * and play progress.
 *
 * @extends Component
 */

var ProgressControl = function (_Component) {
  inherits(ProgressControl, _Component);

  /**
   * Creates an instance of this class.
   *
   * @param {Player} player
   *        The `Player` that this class should be attached to.
   *
   * @param {Object} [options]
   *        The key/value store of player options.
   */
  function ProgressControl(player, options) {
    classCallCheck(this, ProgressControl);

    var _this = possibleConstructorReturn(this, _Component.call(this, player, options));

    _this.handleMouseMove = throttle(bind(_this, _this.handleMouseMove), 25);
    _this.throttledHandleMouseSeek = throttle(bind(_this, _this.handleMouseSeek), 25);

    _this.enable();
    return _this;
  }

  /**
   * Create the `Component`'s DOM element
   *
   * @return {Element}
   *         The element that was created.
   */


  ProgressControl.prototype.createEl = function createEl$$1() {
    return _Component.prototype.createEl.call(this, 'div', {
      className: 'vjs-progress-control vjs-control'
    });
  };

  /**
   * When the mouse moves over the `ProgressControl`, the pointer position
   * gets passed down to the `MouseTimeDisplay` component.
   *
   * @param {EventTarget~Event} event
   *        The `mousemove` event that caused this function to run.
   *
   * @listen mousemove
   */


  ProgressControl.prototype.handleMouseMove = function handleMouseMove(event) {
    var seekBar = this.getChild('seekBar');

    if (seekBar) {
      var mouseTimeDisplay = seekBar.getChild('mouseTimeDisplay');
      var seekBarEl = seekBar.el();
      var seekBarRect = getBoundingClientRect(seekBarEl);
      var seekBarPoint = getPointerPosition(seekBarEl, event).x;

      // The default skin has a gap on either side of the `SeekBar`. This means
      // that it's possible to trigger this behavior outside the boundaries of
      // the `SeekBar`. This ensures we stay within it at all times.
      if (seekBarPoint > 1) {
        seekBarPoint = 1;
      } else if (seekBarPoint < 0) {
        seekBarPoint = 0;
      }

      if (mouseTimeDisplay) {
        mouseTimeDisplay.update(seekBarRect, seekBarPoint);
      }
    }
  };

  /**
   * A throttled version of the {@link ProgressControl#handleMouseSeek} listener.
   *
   * @method ProgressControl#throttledHandleMouseSeek
   * @param {EventTarget~Event} event
   *        The `mousemove` event that caused this function to run.
   *
   * @listen mousemove
   * @listen touchmove
   */

  /**
   * Handle `mousemove` or `touchmove` events on the `ProgressControl`.
   *
   * @param {EventTarget~Event} event
   *        `mousedown` or `touchstart` event that triggered this function
   *
   * @listens mousemove
   * @listens touchmove
   */


  ProgressControl.prototype.handleMouseSeek = function handleMouseSeek(event) {
    var seekBar = this.getChild('seekBar');

    if (seekBar) {
      seekBar.handleMouseMove(event);
    }
  };

  /**
   * Are controls are currently enabled for this progress control.
   *
   * @return {boolean}
   *         true if controls are enabled, false otherwise
   */


  ProgressControl.prototype.enabled = function enabled() {
    return this.enabled_;
  };

  /**
   * Disable all controls on the progress control and its children
   */


  ProgressControl.prototype.disable = function disable() {
    this.children().forEach(function (child) {
      return child.disable && child.disable();
    });

    if (!this.enabled()) {
      return;
    }

    this.off(['mousedown', 'touchstart'], this.handleMouseDown);
    this.off(this.el_, 'mousemove', this.handleMouseMove);
    this.handleMouseUp();

    this.addClass('disabled');

    this.enabled_ = false;
  };

  /**
   * Enable all controls on the progress control and its children
   */


  ProgressControl.prototype.enable = function enable() {
    this.children().forEach(function (child) {
      return child.enable && child.enable();
    });

    if (this.enabled()) {
      return;
    }

    this.on(['mousedown', 'touchstart'], this.handleMouseDown);
    this.on(this.el_, 'mousemove', this.handleMouseMove);
    this.removeClass('disabled');

    this.enabled_ = true;
  };

  /**
   * Handle `mousedown` or `touchstart` events on the `ProgressControl`.
   *
   * @param {EventTarget~Event} event
   *        `mousedown` or `touchstart` event that triggered this function
   *
   * @listens mousedown
   * @listens touchstart
   */


  ProgressControl.prototype.handleMouseDown = function handleMouseDown(event) {
    var doc = this.el_.ownerDocument;
    var seekBar = this.getChild('seekBar');

    if (seekBar) {
      seekBar.handleMouseDown(event);
    }

    this.on(doc, 'mousemove', this.throttledHandleMouseSeek);
    this.on(doc, 'touchmove', this.throttledHandleMouseSeek);
    this.on(doc, 'mouseup', this.handleMouseUp);
    this.on(doc, 'touchend', this.handleMouseUp);
  };

  /**
   * Handle `mouseup` or `touchend` events on the `ProgressControl`.
   *
   * @param {EventTarget~Event} event
   *        `mouseup` or `touchend` event that triggered this function.
   *
   * @listens touchend
   * @listens mouseup
   */


  ProgressControl.prototype.handleMouseUp = function handleMouseUp(event) {
    var doc = this.el_.ownerDocument;
    var seekBar = this.getChild('seekBar');

    if (seekBar) {
      seekBar.handleMouseUp(event);
    }

    this.off(doc, 'mousemove', this.throttledHandleMouseSeek);
    this.off(doc, 'touchmove', this.throttledHandleMouseSeek);
    this.off(doc, 'mouseup', this.handleMouseUp);
    this.off(doc, 'touchend', this.handleMouseUp);
  };

  return ProgressControl;
}(Component);

/**
 * Default options for `ProgressControl`
 *
 * @type {Object}
 * @private
 */


ProgressControl.prototype.options_ = {
  children: ['seekBar']
};

Component.registerComponent('ProgressControl', ProgressControl);

/**
 * @file fullscreen-toggle.js
 */
/**
 * Toggle fullscreen video
 *
 * @extends Button
 */

var FullscreenToggle = function (_Button) {
  inherits(FullscreenToggle, _Button);

  /**
   * Creates an instance of this class.
   *
   * @param {Player} player
   *        The `Player` that this class should be attached to.
   *
   * @param {Object} [options]
   *        The key/value store of player options.
   */
  function FullscreenToggle(player, options) {
    classCallCheck(this, FullscreenToggle);

    var _this = possibleConstructorReturn(this, _Button.call(this, player, options));

    _this.on(player, 'fullscreenchange', _this.handleFullscreenChange);

    if (document[FullscreenApi.fullscreenEnabled] === false) {
      _this.disable();
    }
    return _this;
  }

  /**
   * Builds the default DOM `className`.
   *
   * @return {string}
   *         The DOM `className` for this object.
   */


  FullscreenToggle.prototype.buildCSSClass = function buildCSSClass() {
    return 'vjs-fullscreen-control ' + _Button.prototype.buildCSSClass.call(this);
  };

  /**
   * Handles fullscreenchange on the player and change control text accordingly.
   *
   * @param {EventTarget~Event} [event]
   *        The {@link Player#fullscreenchange} event that caused this function to be
   *        called.
   *
   * @listens Player#fullscreenchange
   */


  FullscreenToggle.prototype.handleFullscreenChange = function handleFullscreenChange(event) {
    if (this.player_.isFullscreen()) {
      this.controlText('Non-Fullscreen');
    } else {
      this.controlText('Fullscreen');
    }
  };

  /**
   * This gets called when an `FullscreenToggle` is "clicked". See
   * {@link ClickableComponent} for more detailed information on what a click can be.
   *
   * @param {EventTarget~Event} [event]
   *        The `keydown`, `tap`, or `click` event that caused this function to be
   *        called.
   *
   * @listens tap
   * @listens click
   */


  FullscreenToggle.prototype.handleClick = function handleClick(event) {
    if (!this.player_.isFullscreen()) {
      this.player_.requestFullscreen();
    } else {
      this.player_.exitFullscreen();
    }
  };

  return FullscreenToggle;
}(Button);

/**
 * The text that should display over the `FullscreenToggle`s controls. Added for localization.
 *
 * @type {string}
 * @private
 */


FullscreenToggle.prototype.controlText_ = 'Fullscreen';

Component.registerComponent('FullscreenToggle', FullscreenToggle);

/**
 * Check if volume control is supported and if it isn't hide the
 * `Component` that was passed  using the `vjs-hidden` class.
 *
 * @param {Component} self
 *        The component that should be hidden if volume is unsupported
 *
 * @param {Player} player
 *        A reference to the player
 *
 * @private
 */
var checkVolumeSupport = function checkVolumeSupport(self, player) {
  // hide volume controls when they're not supported by the current tech
  if (player.tech_ && !player.tech_.featuresVolumeControl) {
    self.addClass('vjs-hidden');
  }

  self.on(player, 'loadstart', function () {
    if (!player.tech_.featuresVolumeControl) {
      self.addClass('vjs-hidden');
    } else {
      self.removeClass('vjs-hidden');
    }
  });
};

/**
 * @file volume-level.js
 */
/**
 * Shows volume level
 *
 * @extends Component
 */

var VolumeLevel = function (_Component) {
  inherits(VolumeLevel, _Component);

  function VolumeLevel() {
    classCallCheck(this, VolumeLevel);
    return possibleConstructorReturn(this, _Component.apply(this, arguments));
  }

  /**
   * Create the `Component`'s DOM element
   *
   * @return {Element}
   *         The element that was created.
   */
  VolumeLevel.prototype.createEl = function createEl() {
    return _Component.prototype.createEl.call(this, 'div', {
      className: 'vjs-volume-level',
      innerHTML: '<span class="vjs-control-text"></span>'
    });
  };

  return VolumeLevel;
}(Component);

Component.registerComponent('VolumeLevel', VolumeLevel);

/**
 * @file volume-bar.js
 */
// Required children
/**
 * The bar that contains the volume level and can be clicked on to adjust the level
 *
 * @extends Slider
 */

var VolumeBar = function (_Slider) {
  inherits(VolumeBar, _Slider);

  /**
   * Creates an instance of this class.
   *
   * @param {Player} player
   *        The `Player` that this class should be attached to.
   *
   * @param {Object} [options]
   *        The key/value store of player options.
   */
  function VolumeBar(player, options) {
    classCallCheck(this, VolumeBar);

    var _this = possibleConstructorReturn(this, _Slider.call(this, player, options));

    _this.on('slideractive', _this.updateLastVolume_);
    _this.on(player, 'volumechange', _this.updateARIAAttributes);
    player.ready(function () {
      return _this.updateARIAAttributes();
    });
    return _this;
  }

  /**
   * Create the `Component`'s DOM element
   *
   * @return {Element}
   *         The element that was created.
   */


  VolumeBar.prototype.createEl = function createEl$$1() {
    return _Slider.prototype.createEl.call(this, 'div', {
      className: 'vjs-volume-bar vjs-slider-bar'
    }, {
      'aria-label': this.localize('Volume Level'),
      'aria-live': 'polite'
    });
  };

  /**
   * Handle mouse down on volume bar
   *
   * @param {EventTarget~Event} event
   *        The `mousedown` event that caused this to run.
   *
   * @listens mousedown
   */


  VolumeBar.prototype.handleMouseDown = function handleMouseDown(event) {
    if (!isSingleLeftClick(event)) {
      return;
    }

    _Slider.prototype.handleMouseDown.call(this, event);
  };

  /**
   * Handle movement events on the {@link VolumeMenuButton}.
   *
   * @param {EventTarget~Event} event
   *        The event that caused this function to run.
   *
   * @listens mousemove
   */


  VolumeBar.prototype.handleMouseMove = function handleMouseMove(event) {
    if (!isSingleLeftClick(event)) {
      return;
    }

    this.checkMuted();
    this.player_.volume(this.calculateDistance(event));
  };

  /**
   * If the player is muted unmute it.
   */


  VolumeBar.prototype.checkMuted = function checkMuted() {
    if (this.player_.muted()) {
      this.player_.muted(false);
    }
  };

  /**
   * Get percent of volume level
   *
   * @return {number}
   *         Volume level percent as a decimal number.
   */


  VolumeBar.prototype.getPercent = function getPercent() {
    if (this.player_.muted()) {
      return 0;
    }
    return this.player_.volume();
  };

  /**
   * Increase volume level for keyboard users
   */


  VolumeBar.prototype.stepForward = function stepForward() {
    this.checkMuted();
    this.player_.volume(this.player_.volume() + 0.1);
  };

  /**
   * Decrease volume level for keyboard users
   */


  VolumeBar.prototype.stepBack = function stepBack() {
    this.checkMuted();
    this.player_.volume(this.player_.volume() - 0.1);
  };

  /**
   * Update ARIA accessibility attributes
   *
   * @param {EventTarget~Event} [event]
   *        The `volumechange` event that caused this function to run.
   *
   * @listens Player#volumechange
   */


  VolumeBar.prototype.updateARIAAttributes = function updateARIAAttributes(event) {
    var ariaValue = this.player_.muted() ? 0 : this.volumeAsPercentage_();

    this.el_.setAttribute('aria-valuenow', ariaValue);
    this.el_.setAttribute('aria-valuetext', ariaValue + '%');
  };

  /**
   * Returns the current value of the player volume as a percentage
   *
   * @private
   */


  VolumeBar.prototype.volumeAsPercentage_ = function volumeAsPercentage_() {
    return Math.round(this.player_.volume() * 100);
  };

  /**
   * When user starts dragging the VolumeBar, store the volume and listen for
   * the end of the drag. When the drag ends, if the volume was set to zero,
   * set lastVolume to the stored volume.
   *
   * @listens slideractive
   * @private
   */


  VolumeBar.prototype.updateLastVolume_ = function updateLastVolume_() {
    var _this2 = this;

    var volumeBeforeDrag = this.player_.volume();

    this.one('sliderinactive', function () {
      if (_this2.player_.volume() === 0) {
        _this2.player_.lastVolume_(volumeBeforeDrag);
      }
    });
  };

  return VolumeBar;
}(Slider);

/**
 * Default options for the `VolumeBar`
 *
 * @type {Object}
 * @private
 */


VolumeBar.prototype.options_ = {
  children: ['volumeLevel'],
  barName: 'volumeLevel'
};

/**
 * Call the update event for this Slider when this event happens on the player.
 *
 * @type {string}
 */
VolumeBar.prototype.playerEvent = 'volumechange';

Component.registerComponent('VolumeBar', VolumeBar);

/**
 * @file volume-control.js
 */
// Required children
/**
 * The component for controlling the volume level
 *
 * @extends Component
 */

var VolumeControl = function (_Component) {
  inherits(VolumeControl, _Component);

  /**
   * Creates an instance of this class.
   *
   * @param {Player} player
   *        The `Player` that this class should be attached to.
   *
   * @param {Object} [options={}]
   *        The key/value store of player options.
   */
  function VolumeControl(player) {
    var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
    classCallCheck(this, VolumeControl);

    options.vertical = options.vertical || false;

    // Pass the vertical option down to the VolumeBar if
    // the VolumeBar is turned on.
    if (typeof options.volumeBar === 'undefined' || isPlain(options.volumeBar)) {
      options.volumeBar = options.volumeBar || {};
      options.volumeBar.vertical = options.vertical;
    }

    // hide this control if volume support is missing
    var _this = possibleConstructorReturn(this, _Component.call(this, player, options));

    checkVolumeSupport(_this, player);

    _this.throttledHandleMouseMove = throttle(bind(_this, _this.handleMouseMove), 25);

    _this.on('mousedown', _this.handleMouseDown);
    _this.on('touchstart', _this.handleMouseDown);

    // while the slider is active (the mouse has been pressed down and
    // is dragging) or in focus we do not want to hide the VolumeBar
    _this.on(_this.volumeBar, ['focus', 'slideractive'], function () {
      _this.volumeBar.addClass('vjs-slider-active');
      _this.addClass('vjs-slider-active');
      _this.trigger('slideractive');
    });

    _this.on(_this.volumeBar, ['blur', 'sliderinactive'], function () {
      _this.volumeBar.removeClass('vjs-slider-active');
      _this.removeClass('vjs-slider-active');
      _this.trigger('sliderinactive');
    });
    return _this;
  }

  /**
   * Create the `Component`'s DOM element
   *
   * @return {Element}
   *         The element that was created.
   */


  VolumeControl.prototype.createEl = function createEl() {
    var orientationClass = 'vjs-volume-horizontal';

    if (this.options_.vertical) {
      orientationClass = 'vjs-volume-vertical';
    }

    return _Component.prototype.createEl.call(this, 'div', {
      className: 'vjs-volume-control vjs-control ' + orientationClass
    });
  };

  /**
   * Handle `mousedown` or `touchstart` events on the `VolumeControl`.
   *
   * @param {EventTarget~Event} event
   *        `mousedown` or `touchstart` event that triggered this function
   *
   * @listens mousedown
   * @listens touchstart
   */


  VolumeControl.prototype.handleMouseDown = function handleMouseDown(event) {
    var doc = this.el_.ownerDocument;

    this.on(doc, 'mousemove', this.throttledHandleMouseMove);
    this.on(doc, 'touchmove', this.throttledHandleMouseMove);
    this.on(doc, 'mouseup', this.handleMouseUp);
    this.on(doc, 'touchend', this.handleMouseUp);
  };

  /**
   * Handle `mouseup` or `touchend` events on the `VolumeControl`.
   *
   * @param {EventTarget~Event} event
   *        `mouseup` or `touchend` event that triggered this function.
   *
   * @listens touchend
   * @listens mouseup
   */


  VolumeControl.prototype.handleMouseUp = function handleMouseUp(event) {
    var doc = this.el_.ownerDocument;

    this.off(doc, 'mousemove', this.throttledHandleMouseMove);
    this.off(doc, 'touchmove', this.throttledHandleMouseMove);
    this.off(doc, 'mouseup', this.handleMouseUp);
    this.off(doc, 'touchend', this.handleMouseUp);
  };

  /**
   * Handle `mousedown` or `touchstart` events on the `VolumeControl`.
   *
   * @param {EventTarget~Event} event
   *        `mousedown` or `touchstart` event that triggered this function
   *
   * @listens mousedown
   * @listens touchstart
   */


  VolumeControl.prototype.handleMouseMove = function handleMouseMove(event) {
    this.volumeBar.handleMouseMove(event);
  };

  return VolumeControl;
}(Component);

/**
 * Default options for the `VolumeControl`
 *
 * @type {Object}
 * @private
 */


VolumeControl.prototype.options_ = {
  children: ['volumeBar']
};

Component.registerComponent('VolumeControl', VolumeControl);

/**
 * Check if muting volume is supported and if it isn't hide the mute toggle
 * button.
 *
 * @param {Component} self
 *        A reference to the mute toggle button
 *
 * @param {Player} player
 *        A reference to the player
 *
 * @private
 */
var checkMuteSupport = function checkMuteSupport(self, player) {
  // hide mute toggle button if it's not supported by the current tech
  if (player.tech_ && !player.tech_.featuresMuteControl) {
    self.addClass('vjs-hidden');
  }

  self.on(player, 'loadstart', function () {
    if (!player.tech_.featuresMuteControl) {
      self.addClass('vjs-hidden');
    } else {
      self.removeClass('vjs-hidden');
    }
  });
};

/**
 * @file mute-toggle.js
 */
/**
 * A button component for muting the audio.
 *
 * @extends Button
 */

var MuteToggle = function (_Button) {
  inherits(MuteToggle, _Button);

  /**
   * Creates an instance of this class.
   *
   * @param {Player} player
   *        The `Player` that this class should be attached to.
   *
   * @param {Object} [options]
   *        The key/value store of player options.
   */
  function MuteToggle(player, options) {
    classCallCheck(this, MuteToggle);

    // hide this control if volume support is missing
    var _this = possibleConstructorReturn(this, _Button.call(this, player, options));

    checkMuteSupport(_this, player);

    _this.on(player, ['loadstart', 'volumechange'], _this.update);
    return _this;
  }

  /**
   * Builds the default DOM `className`.
   *
   * @return {string}
   *         The DOM `className` for this object.
   */


  MuteToggle.prototype.buildCSSClass = function buildCSSClass() {
    return 'vjs-mute-control ' + _Button.prototype.buildCSSClass.call(this);
  };

  /**
   * This gets called when an `MuteToggle` is "clicked". See
   * {@link ClickableComponent} for more detailed information on what a click can be.
   *
   * @param {EventTarget~Event} [event]
   *        The `keydown`, `tap`, or `click` event that caused this function to be
   *        called.
   *
   * @listens tap
   * @listens click
   */


  MuteToggle.prototype.handleClick = function handleClick(event) {
    var vol = this.player_.volume();
    var lastVolume = this.player_.lastVolume_();

    if (vol === 0) {
      var volumeToSet = lastVolume < 0.1 ? 0.1 : lastVolume;

      this.player_.volume(volumeToSet);
      this.player_.muted(false);
    } else {
      this.player_.muted(this.player_.muted() ? false : true);
    }
  };

  /**
   * Update the `MuteToggle` button based on the state of `volume` and `muted`
   * on the player.
   *
   * @param {EventTarget~Event} [event]
   *        The {@link Player#loadstart} event if this function was called
   *        through an event.
   *
   * @listens Player#loadstart
   * @listens Player#volumechange
   */


  MuteToggle.prototype.update = function update(event) {
    this.updateIcon_();
    this.updateControlText_();
  };

  /**
   * Update the appearance of the `MuteToggle` icon.
   *
   * Possible states (given `level` variable below):
   * - 0: crossed out
   * - 1: zero bars of volume
   * - 2: one bar of volume
   * - 3: two bars of volume
   *
   * @private
   */


  MuteToggle.prototype.updateIcon_ = function updateIcon_() {
    var vol = this.player_.volume();
    var level = 3;

    // in iOS when a player is loaded with muted attribute
    // and volume is changed with a native mute button
    // we want to make sure muted state is updated
    if (IS_IOS) {
      this.player_.muted(this.player_.tech_.el_.muted);
    }

    if (vol === 0 || this.player_.muted()) {
      level = 0;
    } else if (vol < 0.33) {
      level = 1;
    } else if (vol < 0.67) {
      level = 2;
    }

    // TODO improve muted icon classes
    for (var i = 0; i < 4; i++) {
      removeClass(this.el_, 'vjs-vol-' + i);
    }
    addClass(this.el_, 'vjs-vol-' + level);
  };

  /**
   * If `muted` has changed on the player, update the control text
   * (`title` attribute on `vjs-mute-control` element and content of
   * `vjs-control-text` element).
   *
   * @private
   */


  MuteToggle.prototype.updateControlText_ = function updateControlText_() {
    var soundOff = this.player_.muted() || this.player_.volume() === 0;
    var text = soundOff ? 'Unmute' : 'Mute';

    if (this.controlText() !== text) {
      this.controlText(text);
    }
  };

  return MuteToggle;
}(Button);

/**
 * The text that should display over the `MuteToggle`s controls. Added for localization.
 *
 * @type {string}
 * @private
 */


MuteToggle.prototype.controlText_ = 'Mute';

Component.registerComponent('MuteToggle', MuteToggle);

/**
 * @file volume-control.js
 */
// Required children
/**
 * A Component to contain the MuteToggle and VolumeControl so that
 * they can work together.
 *
 * @extends Component
 */

var VolumePanel = function (_Component) {
  inherits(VolumePanel, _Component);

  /**
   * Creates an instance of this class.
   *
   * @param {Player} player
   *        The `Player` that this class should be attached to.
   *
   * @param {Object} [options={}]
   *        The key/value store of player options.
   */
  function VolumePanel(player) {
    var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
    classCallCheck(this, VolumePanel);

    if (typeof options.inline !== 'undefined') {
      options.inline = options.inline;
    } else {
      options.inline = true;
    }

    // pass the inline option down to the VolumeControl as vertical if
    // the VolumeControl is on.
    if (typeof options.volumeControl === 'undefined' || isPlain(options.volumeControl)) {
      options.volumeControl = options.volumeControl || {};
      options.volumeControl.vertical = !options.inline;
    }

    var _this = possibleConstructorReturn(this, _Component.call(this, player, options));

    _this.on(player, ['loadstart'], _this.volumePanelState_);

    // while the slider is active (the mouse has been pressed down and
    // is dragging) we do not want to hide the VolumeBar
    _this.on(_this.volumeControl, ['slideractive'], _this.sliderActive_);

    _this.on(_this.volumeControl, ['sliderinactive'], _this.sliderInactive_);
    return _this;
  }

  /**
   * Add vjs-slider-active class to the VolumePanel
   *
   * @listens VolumeControl#slideractive
   * @private
   */


  VolumePanel.prototype.sliderActive_ = function sliderActive_() {
    this.addClass('vjs-slider-active');
  };

  /**
   * Removes vjs-slider-active class to the VolumePanel
   *
   * @listens VolumeControl#sliderinactive
   * @private
   */


  VolumePanel.prototype.sliderInactive_ = function sliderInactive_() {
    this.removeClass('vjs-slider-active');
  };

  /**
   * Adds vjs-hidden or vjs-mute-toggle-only to the VolumePanel
   * depending on MuteToggle and VolumeControl state
   *
   * @listens Player#loadstart
   * @private
   */


  VolumePanel.prototype.volumePanelState_ = function volumePanelState_() {
    // hide volume panel if neither volume control or mute toggle
    // are displayed
    if (this.volumeControl.hasClass('vjs-hidden') && this.muteToggle.hasClass('vjs-hidden')) {
      this.addClass('vjs-hidden');
    }

    // if only mute toggle is visible we don't want
    // volume panel expanding when hovered or active
    if (this.volumeControl.hasClass('vjs-hidden') && !this.muteToggle.hasClass('vjs-hidden')) {
      this.addClass('vjs-mute-toggle-only');
    }
  };

  /**
   * Create the `Component`'s DOM element
   *
   * @return {Element}
   *         The element that was created.
   */


  VolumePanel.prototype.createEl = function createEl() {
    var orientationClass = 'vjs-volume-panel-horizontal';

    if (!this.options_.inline) {
      orientationClass = 'vjs-volume-panel-vertical';
    }

    return _Component.prototype.createEl.call(this, 'div', {
      className: 'vjs-volume-panel vjs-control ' + orientationClass
    });
  };

  return VolumePanel;
}(Component);

/**
 * Default options for the `VolumeControl`
 *
 * @type {Object}
 * @private
 */


VolumePanel.prototype.options_ = {
  children: ['muteToggle', 'volumeControl']
};

Component.registerComponent('VolumePanel', VolumePanel);

/**
 * @file menu.js
 */
/**
 * The Menu component is used to build popup menus, including subtitle and
 * captions selection menus.
 *
 * @extends Component
 */

var Menu = function (_Component) {
  inherits(Menu, _Component);

  /**
   * Create an instance of this class.
   *
   * @param {Player} player
   *        the player that this component should attach to
   *
   * @param {Object} [options]
   *        Object of option names and values
   *
   */
  function Menu(player, options) {
    classCallCheck(this, Menu);

    var _this = possibleConstructorReturn(this, _Component.call(this, player, options));

    if (options) {
      _this.menuButton_ = options.menuButton;
    }

    _this.focusedChild_ = -1;

    _this.on('keydown', _this.handleKeyPress);
    return _this;
  }

  /**
   * Add a {@link MenuItem} to the menu.
   *
   * @param {Object|string} component
   *        The name or instance of the `MenuItem` to add.
   *
   */


  Menu.prototype.addItem = function addItem(component) {
    this.addChild(component);
    component.on('click', bind(this, function (event) {
      // Unpress the associated MenuButton, and move focus back to it
      if (this.menuButton_) {
        this.menuButton_.unpressButton();

        // don't focus menu button if item is a caption settings item
        // because focus will move elsewhere and it logs an error on IE8
        if (component.name() !== 'CaptionSettingsMenuItem') {
          this.menuButton_.focus();
        }
      }
    }));
  };

  /**
   * Create the `Menu`s DOM element.
   *
   * @return {Element}
   *         the element that was created
   */


  Menu.prototype.createEl = function createEl$$1() {
    var contentElType = this.options_.contentElType || 'ul';

    this.contentEl_ = createEl(contentElType, {
      className: 'vjs-menu-content'
    });

    this.contentEl_.setAttribute('role', 'menu');

    var el = _Component.prototype.createEl.call(this, 'div', {
      append: this.contentEl_,
      className: 'vjs-menu'
    });

    el.appendChild(this.contentEl_);

    // Prevent clicks from bubbling up. Needed for Menu Buttons,
    // where a click on the parent is significant
    on(el, 'click', function (event) {
      event.preventDefault();
      event.stopImmediatePropagation();
    });

    return el;
  };

  Menu.prototype.dispose = function dispose() {
    this.contentEl_ = null;

    _Component.prototype.dispose.call(this);
  };

  /**
   * Handle a `keydown` event on this menu. This listener is added in the constructor.
   *
   * @param {EventTarget~Event} event
   *        A `keydown` event that happened on the menu.
   *
   * @listens keydown
   */


  Menu.prototype.handleKeyPress = function handleKeyPress(event) {
    // Left and Down Arrows
    if (event.which === 37 || event.which === 40) {
      event.preventDefault();
      this.stepForward();

      // Up and Right Arrows
    } else if (event.which === 38 || event.which === 39) {
      event.preventDefault();
      this.stepBack();
    }
  };

  /**
   * Move to next (lower) menu item for keyboard users.
   */


  Menu.prototype.stepForward = function stepForward() {
    var stepChild = 0;

    if (this.focusedChild_ !== undefined) {
      stepChild = this.focusedChild_ + 1;
    }
    this.focus(stepChild);
  };

  /**
   * Move to previous (higher) menu item for keyboard users.
   */


  Menu.prototype.stepBack = function stepBack() {
    var stepChild = 0;

    if (this.focusedChild_ !== undefined) {
      stepChild = this.focusedChild_ - 1;
    }
    this.focus(stepChild);
  };

  /**
   * Set focus on a {@link MenuItem} in the `Menu`.
   *
   * @param {Object|string} [item=0]
   *        Index of child item set focus on.
   */


  Menu.prototype.focus = function focus() {
    var item = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 0;

    var children = this.children().slice();
    var haveTitle = children.length && children[0].className && /vjs-menu-title/.test(children[0].className);

    if (haveTitle) {
      children.shift();
    }

    if (children.length > 0) {
      if (item < 0) {
        item = 0;
      } else if (item >= children.length) {
        item = children.length - 1;
      }

      this.focusedChild_ = item;

      children[item].el_.focus();
    }
  };

  return Menu;
}(Component);

Component.registerComponent('Menu', Menu);

/**
 * @file menu-button.js
 */
/**
 * A `MenuButton` class for any popup {@link Menu}.
 *
 * @extends Component
 */

var MenuButton = function (_Component) {
  inherits(MenuButton, _Component);

  /**
   * Creates an instance of this class.
   *
   * @param {Player} player
   *        The `Player` that this class should be attached to.
   *
   * @param {Object} [options={}]
   *        The key/value store of player options.
   */
  function MenuButton(player) {
    var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
    classCallCheck(this, MenuButton);

    var _this = possibleConstructorReturn(this, _Component.call(this, player, options));

    _this.menuButton_ = new Button(player, options);

    _this.menuButton_.controlText(_this.controlText_);
    _this.menuButton_.el_.setAttribute('aria-haspopup', 'true');

    // Add buildCSSClass values to the button, not the wrapper
    var buttonClass = Button.prototype.buildCSSClass();

    _this.menuButton_.el_.className = _this.buildCSSClass() + ' ' + buttonClass;
    _this.menuButton_.removeClass('vjs-control');

    _this.addChild(_this.menuButton_);

    _this.update();

    _this.enabled_ = true;

    _this.on(_this.menuButton_, 'tap', _this.handleClick);
    _this.on(_this.menuButton_, 'click', _this.handleClick);
    _this.on(_this.menuButton_, 'focus', _this.handleFocus);
    _this.on(_this.menuButton_, 'blur', _this.handleBlur);

    _this.on('keydown', _this.handleSubmenuKeyPress);
    return _this;
  }

  /**
   * Update the menu based on the current state of its items.
   */


  MenuButton.prototype.update = function update() {
    var menu = this.createMenu();

    if (this.menu) {
      this.menu.dispose();
      this.removeChild(this.menu);
    }

    this.menu = menu;
    this.addChild(menu);

    /**
     * Track the state of the menu button
     *
     * @type {Boolean}
     * @private
     */
    this.buttonPressed_ = false;
    this.menuButton_.el_.setAttribute('aria-expanded', 'false');

    if (this.items && this.items.length <= this.hideThreshold_) {
      this.hide();
    } else {
      this.show();
    }
  };

  /**
   * Create the menu and add all items to it.
   *
   * @return {Menu}
   *         The constructed menu
   */


  MenuButton.prototype.createMenu = function createMenu() {
    var menu = new Menu(this.player_, { menuButton: this });

    /**
     * Hide the menu if the number of items is less than or equal to this threshold. This defaults
     * to 0 and whenever we add items which can be hidden to the menu we'll increment it. We list
     * it here because every time we run `createMenu` we need to reset the value.
     *
     * @protected
     * @type {Number}
     */
    this.hideThreshold_ = 0;

    // Add a title list item to the top
    if (this.options_.title) {
      var title = createEl('li', {
        className: 'vjs-menu-title',
        innerHTML: toTitleCase(this.options_.title),
        tabIndex: -1
      });

      this.hideThreshold_ += 1;

      menu.children_.unshift(title);
      prependTo(title, menu.contentEl());
    }

    this.items = this.createItems();

    if (this.items) {
      // Add menu items to the menu
      for (var i = 0; i < this.items.length; i++) {
        menu.addItem(this.items[i]);
      }
    }

    return menu;
  };

  /**
   * Create the list of menu items. Specific to each subclass.
   *
   * @abstract
   */


  MenuButton.prototype.createItems = function createItems() {};

  /**
   * Create the `MenuButtons`s DOM element.
   *
   * @return {Element}
   *         The element that gets created.
   */


  MenuButton.prototype.createEl = function createEl$$1() {
    return _Component.prototype.createEl.call(this, 'div', {
      className: this.buildWrapperCSSClass()
    }, {});
  };

  /**
   * Allow sub components to stack CSS class names for the wrapper element
   *
   * @return {string}
   *         The constructed wrapper DOM `className`
   */


  MenuButton.prototype.buildWrapperCSSClass = function buildWrapperCSSClass() {
    var menuButtonClass = 'vjs-menu-button';

    // If the inline option is passed, we want to use different styles altogether.
    if (this.options_.inline === true) {
      menuButtonClass += '-inline';
    } else {
      menuButtonClass += '-popup';
    }

    // TODO: Fix the CSS so that this isn't necessary
    var buttonClass = Button.prototype.buildCSSClass();

    return 'vjs-menu-button ' + menuButtonClass + ' ' + buttonClass + ' ' + _Component.prototype.buildCSSClass.call(this);
  };

  /**
   * Builds the default DOM `className`.
   *
   * @return {string}
   *         The DOM `className` for this object.
   */


  MenuButton.prototype.buildCSSClass = function buildCSSClass() {
    var menuButtonClass = 'vjs-menu-button';

    // If the inline option is passed, we want to use different styles altogether.
    if (this.options_.inline === true) {
      menuButtonClass += '-inline';
    } else {
      menuButtonClass += '-popup';
    }

    return 'vjs-menu-button ' + menuButtonClass + ' ' + _Component.prototype.buildCSSClass.call(this);
  };

  /**
   * Get or set the localized control text that will be used for accessibility.
   *
   * > NOTE: This will come from the internal `menuButton_` element.
   *
   * @param {string} [text]
   *        Control text for element.
   *
   * @param {Element} [el=this.menuButton_.el()]
   *        Element to set the title on.
   *
   * @return {string}
   *         - The control text when getting
   */


  MenuButton.prototype.controlText = function controlText(text) {
    var el = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : this.menuButton_.el();

    return this.menuButton_.controlText(text, el);
  };

  /**
   * Handle a click on a `MenuButton`.
   * See {@link ClickableComponent#handleClick} for instances where this is called.
   *
   * @param {EventTarget~Event} event
   *        The `keydown`, `tap`, or `click` event that caused this function to be
   *        called.
   *
   * @listens tap
   * @listens click
   */


  MenuButton.prototype.handleClick = function handleClick(event) {
    // When you click the button it adds focus, which will show the menu.
    // So we'll remove focus when the mouse leaves the button. Focus is needed
    // for tab navigation.

    this.one(this.menu.contentEl(), 'mouseleave', bind(this, function (e) {
      this.unpressButton();
      this.el_.blur();
    }));
    if (this.buttonPressed_) {
      this.unpressButton();
    } else {
      this.pressButton();
    }
  };

  /**
   * Set the focus to the actual button, not to this element
   */


  MenuButton.prototype.focus = function focus() {
    this.menuButton_.focus();
  };

  /**
   * Remove the focus from the actual button, not this element
   */


  MenuButton.prototype.blur = function blur() {
    this.menuButton_.blur();
  };

  /**
   * This gets called when a `MenuButton` gains focus via a `focus` event.
   * Turns on listening for `keydown` events. When they happen it
   * calls `this.handleKeyPress`.
   *
   * @param {EventTarget~Event} event
   *        The `focus` event that caused this function to be called.
   *
   * @listens focus
   */


  MenuButton.prototype.handleFocus = function handleFocus() {
    on(document, 'keydown', bind(this, this.handleKeyPress));
  };

  /**
   * Called when a `MenuButton` loses focus. Turns off the listener for
   * `keydown` events. Which Stops `this.handleKeyPress` from getting called.
   *
   * @param {EventTarget~Event} event
   *        The `blur` event that caused this function to be called.
   *
   * @listens blur
   */


  MenuButton.prototype.handleBlur = function handleBlur() {
    off(document, 'keydown', bind(this, this.handleKeyPress));
  };

  /**
   * Handle tab, escape, down arrow, and up arrow keys for `MenuButton`. See
   * {@link ClickableComponent#handleKeyPress} for instances where this is called.
   *
   * @param {EventTarget~Event} event
   *        The `keydown` event that caused this function to be called.
   *
   * @listens keydown
   */


  MenuButton.prototype.handleKeyPress = function handleKeyPress(event) {

    // Escape (27) key or Tab (9) key unpress the 'button'
    if (event.which === 27 || event.which === 9) {
      if (this.buttonPressed_) {
        this.unpressButton();
      }
      // Don't preventDefault for Tab key - we still want to lose focus
      if (event.which !== 9) {
        event.preventDefault();
        // Set focus back to the menu button's button
        this.menuButton_.el_.focus();
      }
      // Up (38) key or Down (40) key press the 'button'
    } else if (event.which === 38 || event.which === 40) {
      if (!this.buttonPressed_) {
        this.pressButton();
        event.preventDefault();
      }
    }
  };

  /**
   * Handle a `keydown` event on a sub-menu. The listener for this is added in
   * the constructor.
   *
   * @param {EventTarget~Event} event
   *        Key press event
   *
   * @listens keydown
   */


  MenuButton.prototype.handleSubmenuKeyPress = function handleSubmenuKeyPress(event) {

    // Escape (27) key or Tab (9) key unpress the 'button'
    if (event.which === 27 || event.which === 9) {
      if (this.buttonPressed_) {
        this.unpressButton();
      }
      // Don't preventDefault for Tab key - we still want to lose focus
      if (event.which !== 9) {
        event.preventDefault();
        // Set focus back to the menu button's button
        this.menuButton_.el_.focus();
      }
    }
  };

  /**
   * Put the current `MenuButton` into a pressed state.
   */


  MenuButton.prototype.pressButton = function pressButton() {
    if (this.enabled_) {
      this.buttonPressed_ = true;
      this.menu.lockShowing();
      this.menuButton_.el_.setAttribute('aria-expanded', 'true');

      // set the focus into the submenu, except on iOS where it is resulting in
      // undesired scrolling behavior when the player is in an iframe
      if (IS_IOS && isInFrame()) {
        // Return early so that the menu isn't focused
        return;
      }

      this.menu.focus();
    }
  };

  /**
   * Take the current `MenuButton` out of a pressed state.
   */


  MenuButton.prototype.unpressButton = function unpressButton() {
    if (this.enabled_) {
      this.buttonPressed_ = false;
      this.menu.unlockShowing();
      this.menuButton_.el_.setAttribute('aria-expanded', 'false');
    }
  };

  /**
   * Disable the `MenuButton`. Don't allow it to be clicked.
   */


  MenuButton.prototype.disable = function disable() {
    this.unpressButton();

    this.enabled_ = false;
    this.addClass('vjs-disabled');

    this.menuButton_.disable();
  };

  /**
   * Enable the `MenuButton`. Allow it to be clicked.
   */


  MenuButton.prototype.enable = function enable() {
    this.enabled_ = true;
    this.removeClass('vjs-disabled');

    this.menuButton_.enable();
  };

  return MenuButton;
}(Component);

Component.registerComponent('MenuButton', MenuButton);

/**
 * @file track-button.js
 */
/**
 * The base class for buttons that toggle specific  track types (e.g. subtitles).
 *
 * @extends MenuButton
 */

var TrackButton = function (_MenuButton) {
  inherits(TrackButton, _MenuButton);

  /**
   * Creates an instance of this class.
   *
   * @param {Player} player
   *        The `Player` that this class should be attached to.
   *
   * @param {Object} [options]
   *        The key/value store of player options.
   */
  function TrackButton(player, options) {
    classCallCheck(this, TrackButton);

    var tracks = options.tracks;

    var _this = possibleConstructorReturn(this, _MenuButton.call(this, player, options));

    if (_this.items.length <= 1) {
      _this.hide();
    }

    if (!tracks) {
      return possibleConstructorReturn(_this);
    }

    var updateHandler = bind(_this, _this.update);

    tracks.addEventListener('removetrack', updateHandler);
    tracks.addEventListener('addtrack', updateHandler);
    _this.player_.on('ready', updateHandler);

    _this.player_.on('dispose', function () {
      tracks.removeEventListener('removetrack', updateHandler);
      tracks.removeEventListener('addtrack', updateHandler);
    });
    return _this;
  }

  return TrackButton;
}(MenuButton);

Component.registerComponent('TrackButton', TrackButton);

/**
 * @file menu-item.js
 */
/**
 * The component for a menu item. `<li>`
 *
 * @extends ClickableComponent
 */

var MenuItem = function (_ClickableComponent) {
  inherits(MenuItem, _ClickableComponent);

  /**
   * Creates an instance of the this class.
   *
   * @param {Player} player
   *        The `Player` that this class should be attached to.
   *
   * @param {Object} [options={}]
   *        The key/value store of player options.
   *
   */
  function MenuItem(player, options) {
    classCallCheck(this, MenuItem);

    var _this = possibleConstructorReturn(this, _ClickableComponent.call(this, player, options));

    _this.selectable = options.selectable;
    _this.isSelected_ = options.selected || false;
    _this.multiSelectable = options.multiSelectable;

    _this.selected(_this.isSelected_);

    if (_this.selectable) {
      if (_this.multiSelectable) {
        _this.el_.setAttribute('role', 'menuitemcheckbox');
      } else {
        _this.el_.setAttribute('role', 'menuitemradio');
      }
    } else {
      _this.el_.setAttribute('role', 'menuitem');
    }
    return _this;
  }

  /**
   * Create the `MenuItem's DOM element
   *
   * @param {string} [type=li]
   *        Element's node type, not actually used, always set to `li`.
   *
   * @param {Object} [props={}]
   *        An object of properties that should be set on the element
   *
   * @param {Object} [attrs={}]
   *        An object of attributes that should be set on the element
   *
   * @return {Element}
   *         The element that gets created.
   */


  MenuItem.prototype.createEl = function createEl(type, props, attrs) {
    // The control is textual, not just an icon
    this.nonIconControl = true;

    return _ClickableComponent.prototype.createEl.call(this, 'li', assign({
      className: 'vjs-menu-item',
      innerHTML: '<span class="vjs-menu-item-text">' + this.localize(this.options_.label) + '</span>',
      tabIndex: -1
    }, props), attrs);
  };

  /**
   * Any click on a `MenuItem` puts it into the selected state.
   * See {@link ClickableComponent#handleClick} for instances where this is called.
   *
   * @param {EventTarget~Event} event
   *        The `keydown`, `tap`, or `click` event that caused this function to be
   *        called.
   *
   * @listens tap
   * @listens click
   */


  MenuItem.prototype.handleClick = function handleClick(event) {
    this.selected(true);
  };

  /**
   * Set the state for this menu item as selected or not.
   *
   * @param {boolean} selected
   *        if the menu item is selected or not
   */


  MenuItem.prototype.selected = function selected(_selected) {
    if (this.selectable) {
      if (_selected) {
        this.addClass('vjs-selected');
        this.el_.setAttribute('aria-checked', 'true');
        // aria-checked isn't fully supported by browsers/screen readers,
        // so indicate selected state to screen reader in the control text.
        this.controlText(', selected');
        this.isSelected_ = true;
      } else {
        this.removeClass('vjs-selected');
        this.el_.setAttribute('aria-checked', 'false');
        // Indicate un-selected state to screen reader
        this.controlText('');
        this.isSelected_ = false;
      }
    }
  };

  return MenuItem;
}(ClickableComponent);

Component.registerComponent('MenuItem', MenuItem);

/**
 * @file text-track-menu-item.js
 */
/**
 * The specific menu item type for selecting a language within a text track kind
 *
 * @extends MenuItem
 */

var TextTrackMenuItem = function (_MenuItem) {
  inherits(TextTrackMenuItem, _MenuItem);

  /**
   * Creates an instance of this class.
   *
   * @param {Player} player
   *        The `Player` that this class should be attached to.
   *
   * @param {Object} [options]
   *        The key/value store of player options.
   */
  function TextTrackMenuItem(player, options) {
    classCallCheck(this, TextTrackMenuItem);

    var track = options.track;
    var tracks = player.textTracks();

    // Modify options for parent MenuItem class's init.
    options.label = track.label || track.language || 'Unknown';
    options.selected = track.mode === 'showing';

    var _this = possibleConstructorReturn(this, _MenuItem.call(this, player, options));

    _this.track = track;
    var changeHandler = function changeHandler() {
      for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
        args[_key] = arguments[_key];
      }

      _this.handleTracksChange.apply(_this, args);
    };
    var selectedLanguageChangeHandler = function selectedLanguageChangeHandler() {
      for (var _len2 = arguments.length, args = Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
        args[_key2] = arguments[_key2];
      }

      _this.handleSelectedLanguageChange.apply(_this, args);
    };

    player.on(['loadstart', 'texttrackchange'], changeHandler);
    tracks.addEventListener('change', changeHandler);
    tracks.addEventListener('selectedlanguagechange', selectedLanguageChangeHandler);
    _this.on('dispose', function () {
      player.off(['loadstart', 'texttrackchange'], changeHandler);
      tracks.removeEventListener('change', changeHandler);
      tracks.removeEventListener('selectedlanguagechange', selectedLanguageChangeHandler);
    });

    // iOS7 doesn't dispatch change events to TextTrackLists when an
    // associated track's mode changes. Without something like
    // Object.observe() (also not present on iOS7), it's not
    // possible to detect changes to the mode attribute and polyfill
    // the change event. As a poor substitute, we manually dispatch
    // change events whenever the controls modify the mode.
    if (tracks.onchange === undefined) {
      var event = void 0;

      _this.on(['tap', 'click'], function () {
        if (_typeof(window.Event) !== 'object') {
          // Android 2.3 throws an Illegal Constructor error for window.Event
          try {
            event = new window.Event('change');
          } catch (err) {
            // continue regardless of error
          }
        }

        if (!event) {
          event = document.createEvent('Event');
          event.initEvent('change', true, true);
        }

        tracks.dispatchEvent(event);
      });
    }

    // set the default state based on current tracks
    _this.handleTracksChange();
    return _this;
  }

  /**
   * This gets called when an `TextTrackMenuItem` is "clicked". See
   * {@link ClickableComponent} for more detailed information on what a click can be.
   *
   * @param {EventTarget~Event} event
   *        The `keydown`, `tap`, or `click` event that caused this function to be
   *        called.
   *
   * @listens tap
   * @listens click
   */


  TextTrackMenuItem.prototype.handleClick = function handleClick(event) {
    var kind = this.track.kind;
    var kinds = this.track.kinds;
    var tracks = this.player_.textTracks();

    if (!kinds) {
      kinds = [kind];
    }

    _MenuItem.prototype.handleClick.call(this, event);

    if (!tracks) {
      return;
    }

    for (var i = 0; i < tracks.length; i++) {
      var track = tracks[i];

      if (track === this.track && kinds.indexOf(track.kind) > -1) {
        if (track.mode !== 'showing') {
          track.mode = 'showing';
        }
      } else if (track.mode !== 'disabled') {
        track.mode = 'disabled';
      }
    }
  };

  /**
   * Handle text track list change
   *
   * @param {EventTarget~Event} event
   *        The `change` event that caused this function to be called.
   *
   * @listens TextTrackList#change
   */


  TextTrackMenuItem.prototype.handleTracksChange = function handleTracksChange(event) {
    var shouldBeSelected = this.track.mode === 'showing';

    // Prevent redundant selected() calls because they may cause
    // screen readers to read the appended control text unnecessarily
    if (shouldBeSelected !== this.isSelected_) {
      this.selected(shouldBeSelected);
    }
  };

  TextTrackMenuItem.prototype.handleSelectedLanguageChange = function handleSelectedLanguageChange(event) {
    if (this.track.mode === 'showing') {
      var selectedLanguage = this.player_.cache_.selectedLanguage;

      // Don't replace the kind of track across the same language
      if (selectedLanguage && selectedLanguage.enabled && selectedLanguage.language === this.track.language && selectedLanguage.kind !== this.track.kind) {
        return;
      }

      this.player_.cache_.selectedLanguage = {
        enabled: true,
        language: this.track.language,
        kind: this.track.kind
      };
    }
  };

  TextTrackMenuItem.prototype.dispose = function dispose() {
    // remove reference to track object on dispose
    this.track = null;

    _MenuItem.prototype.dispose.call(this);
  };

  return TextTrackMenuItem;
}(MenuItem);

Component.registerComponent('TextTrackMenuItem', TextTrackMenuItem);

/**
 * @file off-text-track-menu-item.js
 */
/**
 * A special menu item for turning of a specific type of text track
 *
 * @extends TextTrackMenuItem
 */

var OffTextTrackMenuItem = function (_TextTrackMenuItem) {
  inherits(OffTextTrackMenuItem, _TextTrackMenuItem);

  /**
   * Creates an instance of this class.
   *
   * @param {Player} player
   *        The `Player` that this class should be attached to.
   *
   * @param {Object} [options]
   *        The key/value store of player options.
   */
  function OffTextTrackMenuItem(player, options) {
    classCallCheck(this, OffTextTrackMenuItem);

    // Create pseudo track info
    // Requires options['kind']
    options.track = {
      player: player,
      kind: options.kind,
      kinds: options.kinds,
      'default': false,
      mode: 'disabled'
    };

    if (!options.kinds) {
      options.kinds = [options.kind];
    }

    if (options.label) {
      options.track.label = options.label;
    } else {
      options.track.label = options.kinds.join(' and ') + ' off';
    }

    // MenuItem is selectable
    options.selectable = true;
    // MenuItem is NOT multiSelectable (i.e. only one can be marked "selected" at a time)
    options.multiSelectable = false;

    return possibleConstructorReturn(this, _TextTrackMenuItem.call(this, player, options));
  }

  /**
   * Handle text track change
   *
   * @param {EventTarget~Event} event
   *        The event that caused this function to run
   */


  OffTextTrackMenuItem.prototype.handleTracksChange = function handleTracksChange(event) {
    var tracks = this.player().textTracks();
    var shouldBeSelected = true;

    for (var i = 0, l = tracks.length; i < l; i++) {
      var track = tracks[i];

      if (this.options_.kinds.indexOf(track.kind) > -1 && track.mode === 'showing') {
        shouldBeSelected = false;
        break;
      }
    }

    // Prevent redundant selected() calls because they may cause
    // screen readers to read the appended control text unnecessarily
    if (shouldBeSelected !== this.isSelected_) {
      this.selected(shouldBeSelected);
    }
  };

  OffTextTrackMenuItem.prototype.handleSelectedLanguageChange = function handleSelectedLanguageChange(event) {
    var tracks = this.player().textTracks();
    var allHidden = true;

    for (var i = 0, l = tracks.length; i < l; i++) {
      var track = tracks[i];

      if (['captions', 'descriptions', 'subtitles'].indexOf(track.kind) > -1 && track.mode === 'showing') {
        allHidden = false;
        break;
      }
    }

    if (allHidden) {
      this.player_.cache_.selectedLanguage = {
        enabled: false
      };
    }
  };

  return OffTextTrackMenuItem;
}(TextTrackMenuItem);

Component.registerComponent('OffTextTrackMenuItem', OffTextTrackMenuItem);

/**
 * @file text-track-button.js
 */
/**
 * The base class for buttons that toggle specific text track types (e.g. subtitles)
 *
 * @extends MenuButton
 */

var TextTrackButton = function (_TrackButton) {
  inherits(TextTrackButton, _TrackButton);

  /**
   * Creates an instance of this class.
   *
   * @param {Player} player
   *        The `Player` that this class should be attached to.
   *
   * @param {Object} [options={}]
   *        The key/value store of player options.
   */
  function TextTrackButton(player) {
    var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
    classCallCheck(this, TextTrackButton);

    options.tracks = player.textTracks();

    return possibleConstructorReturn(this, _TrackButton.call(this, player, options));
  }

  /**
   * Create a menu item for each text track
   *
   * @param {TextTrackMenuItem[]} [items=[]]
   *        Existing array of items to use during creation
   *
   * @return {TextTrackMenuItem[]}
   *         Array of menu items that were created
   */


  TextTrackButton.prototype.createItems = function createItems() {
    var items = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];
    var TrackMenuItem = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : TextTrackMenuItem;


    // Label is an overide for the [track] off label
    // USed to localise captions/subtitles
    var label = void 0;

    if (this.label_) {
      label = this.label_ + ' off';
    }
    // Add an OFF menu item to turn all tracks off
    items.push(new OffTextTrackMenuItem(this.player_, {
      kinds: this.kinds_,
      kind: this.kind_,
      label: label
    }));

    this.hideThreshold_ += 1;

    var tracks = this.player_.textTracks();

    if (!Array.isArray(this.kinds_)) {
      this.kinds_ = [this.kind_];
    }

    for (var i = 0; i < tracks.length; i++) {
      var track = tracks[i];

      // only add tracks that are of an appropriate kind and have a label
      if (this.kinds_.indexOf(track.kind) > -1) {

        var item = new TrackMenuItem(this.player_, {
          track: track,
          // MenuItem is selectable
          selectable: true,
          // MenuItem is NOT multiSelectable (i.e. only one can be marked "selected" at a time)
          multiSelectable: false
        });

        item.addClass('vjs-' + track.kind + '-menu-item');
        items.push(item);
      }
    }

    return items;
  };

  return TextTrackButton;
}(TrackButton);

Component.registerComponent('TextTrackButton', TextTrackButton);

/**
 * @file chapters-track-menu-item.js
 */
/**
 * The chapter track menu item
 *
 * @extends MenuItem
 */

var ChaptersTrackMenuItem = function (_MenuItem) {
  inherits(ChaptersTrackMenuItem, _MenuItem);

  /**
   * Creates an instance of this class.
   *
   * @param {Player} player
   *        The `Player` that this class should be attached to.
   *
   * @param {Object} [options]
   *        The key/value store of player options.
   */
  function ChaptersTrackMenuItem(player, options) {
    classCallCheck(this, ChaptersTrackMenuItem);

    var track = options.track;
    var cue = options.cue;
    var currentTime = player.currentTime();

    // Modify options for parent MenuItem class's init.
    options.selectable = true;
    options.multiSelectable = false;
    options.label = cue.text;
    options.selected = cue.startTime <= currentTime && currentTime < cue.endTime;

    var _this = possibleConstructorReturn(this, _MenuItem.call(this, player, options));

    _this.track = track;
    _this.cue = cue;
    track.addEventListener('cuechange', bind(_this, _this.update));
    return _this;
  }

  /**
   * This gets called when an `ChaptersTrackMenuItem` is "clicked". See
   * {@link ClickableComponent} for more detailed information on what a click can be.
   *
   * @param {EventTarget~Event} [event]
   *        The `keydown`, `tap`, or `click` event that caused this function to be
   *        called.
   *
   * @listens tap
   * @listens click
   */


  ChaptersTrackMenuItem.prototype.handleClick = function handleClick(event) {
    _MenuItem.prototype.handleClick.call(this);
    this.player_.currentTime(this.cue.startTime);
    this.update(this.cue.startTime);
  };

  /**
   * Update chapter menu item
   *
   * @param {EventTarget~Event} [event]
   *        The `cuechange` event that caused this function to run.
   *
   * @listens TextTrack#cuechange
   */


  ChaptersTrackMenuItem.prototype.update = function update(event) {
    var cue = this.cue;
    var currentTime = this.player_.currentTime();

    // vjs.log(currentTime, cue.startTime);
    this.selected(cue.startTime <= currentTime && currentTime < cue.endTime);
  };

  return ChaptersTrackMenuItem;
}(MenuItem);

Component.registerComponent('ChaptersTrackMenuItem', ChaptersTrackMenuItem);

/**
 * @file chapters-button.js
 */
/**
 * The button component for toggling and selecting chapters
 * Chapters act much differently than other text tracks
 * Cues are navigation vs. other tracks of alternative languages
 *
 * @extends TextTrackButton
 */

var ChaptersButton = function (_TextTrackButton) {
  inherits(ChaptersButton, _TextTrackButton);

  /**
   * Creates an instance of this class.
   *
   * @param {Player} player
   *        The `Player` that this class should be attached to.
   *
   * @param {Object} [options]
   *        The key/value store of player options.
   *
   * @param {Component~ReadyCallback} [ready]
   *        The function to call when this function is ready.
   */
  function ChaptersButton(player, options, ready) {
    classCallCheck(this, ChaptersButton);
    return possibleConstructorReturn(this, _TextTrackButton.call(this, player, options, ready));
  }

  /**
   * Builds the default DOM `className`.
   *
   * @return {string}
   *         The DOM `className` for this object.
   */


  ChaptersButton.prototype.buildCSSClass = function buildCSSClass() {
    return 'vjs-chapters-button ' + _TextTrackButton.prototype.buildCSSClass.call(this);
  };

  ChaptersButton.prototype.buildWrapperCSSClass = function buildWrapperCSSClass() {
    return 'vjs-chapters-button ' + _TextTrackButton.prototype.buildWrapperCSSClass.call(this);
  };

  /**
   * Update the menu based on the current state of its items.
   *
   * @param {EventTarget~Event} [event]
   *        An event that triggered this function to run.
   *
   * @listens TextTrackList#addtrack
   * @listens TextTrackList#removetrack
   * @listens TextTrackList#change
   */


  ChaptersButton.prototype.update = function update(event) {
    if (!this.track_ || event && (event.type === 'addtrack' || event.type === 'removetrack')) {
      this.setTrack(this.findChaptersTrack());
    }
    _TextTrackButton.prototype.update.call(this);
  };

  /**
   * Set the currently selected track for the chapters button.
   *
   * @param {TextTrack} track
   *        The new track to select. Nothing will change if this is the currently selected
   *        track.
   */


  ChaptersButton.prototype.setTrack = function setTrack(track) {
    if (this.track_ === track) {
      return;
    }

    if (!this.updateHandler_) {
      this.updateHandler_ = this.update.bind(this);
    }

    // here this.track_ refers to the old track instance
    if (this.track_) {
      var remoteTextTrackEl = this.player_.remoteTextTrackEls().getTrackElementByTrack_(this.track_);

      if (remoteTextTrackEl) {
        remoteTextTrackEl.removeEventListener('load', this.updateHandler_);
      }

      this.track_ = null;
    }

    this.track_ = track;

    // here this.track_ refers to the new track instance
    if (this.track_) {
      this.track_.mode = 'hidden';

      var _remoteTextTrackEl = this.player_.remoteTextTrackEls().getTrackElementByTrack_(this.track_);

      if (_remoteTextTrackEl) {
        _remoteTextTrackEl.addEventListener('load', this.updateHandler_);
      }
    }
  };

  /**
   * Find the track object that is currently in use by this ChaptersButton
   *
   * @return {TextTrack|undefined}
   *         The current track or undefined if none was found.
   */


  ChaptersButton.prototype.findChaptersTrack = function findChaptersTrack() {
    var tracks = this.player_.textTracks() || [];

    for (var i = tracks.length - 1; i >= 0; i--) {
      // We will always choose the last track as our chaptersTrack
      var track = tracks[i];

      if (track.kind === this.kind_) {
        return track;
      }
    }
  };

  /**
   * Get the caption for the ChaptersButton based on the track label. This will also
   * use the current tracks localized kind as a fallback if a label does not exist.
   *
   * @return {string}
   *         The tracks current label or the localized track kind.
   */


  ChaptersButton.prototype.getMenuCaption = function getMenuCaption() {
    if (this.track_ && this.track_.label) {
      return this.track_.label;
    }
    return this.localize(toTitleCase(this.kind_));
  };

  /**
   * Create menu from chapter track
   *
   * @return {Menu}
   *         New menu for the chapter buttons
   */


  ChaptersButton.prototype.createMenu = function createMenu() {
    this.options_.title = this.getMenuCaption();
    return _TextTrackButton.prototype.createMenu.call(this);
  };

  /**
   * Create a menu item for each text track
   *
   * @return {TextTrackMenuItem[]}
   *         Array of menu items
   */


  ChaptersButton.prototype.createItems = function createItems() {
    var items = [];

    if (!this.track_) {
      return items;
    }

    var cues = this.track_.cues;

    if (!cues) {
      return items;
    }

    for (var i = 0, l = cues.length; i < l; i++) {
      var cue = cues[i];
      var mi = new ChaptersTrackMenuItem(this.player_, { track: this.track_, cue: cue });

      items.push(mi);
    }

    return items;
  };

  return ChaptersButton;
}(TextTrackButton);

/**
 * `kind` of TextTrack to look for to associate it with this menu.
 *
 * @type {string}
 * @private
 */


ChaptersButton.prototype.kind_ = 'chapters';

/**
 * The text that should display over the `ChaptersButton`s controls. Added for localization.
 *
 * @type {string}
 * @private
 */
ChaptersButton.prototype.controlText_ = 'Chapters';

Component.registerComponent('ChaptersButton', ChaptersButton);

/**
 * @file descriptions-button.js
 */
/**
 * The button component for toggling and selecting descriptions
 *
 * @extends TextTrackButton
 */

var DescriptionsButton = function (_TextTrackButton) {
  inherits(DescriptionsButton, _TextTrackButton);

  /**
   * Creates an instance of this class.
   *
   * @param {Player} player
   *        The `Player` that this class should be attached to.
   *
   * @param {Object} [options]
   *        The key/value store of player options.
   *
   * @param {Component~ReadyCallback} [ready]
   *        The function to call when this component is ready.
   */
  function DescriptionsButton(player, options, ready) {
    classCallCheck(this, DescriptionsButton);

    var _this = possibleConstructorReturn(this, _TextTrackButton.call(this, player, options, ready));

    var tracks = player.textTracks();
    var changeHandler = bind(_this, _this.handleTracksChange);

    tracks.addEventListener('change', changeHandler);
    _this.on('dispose', function () {
      tracks.removeEventListener('change', changeHandler);
    });
    return _this;
  }

  /**
   * Handle text track change
   *
   * @param {EventTarget~Event} event
   *        The event that caused this function to run
   *
   * @listens TextTrackList#change
   */


  DescriptionsButton.prototype.handleTracksChange = function handleTracksChange(event) {
    var tracks = this.player().textTracks();
    var disabled = false;

    // Check whether a track of a different kind is showing
    for (var i = 0, l = tracks.length; i < l; i++) {
      var track = tracks[i];

      if (track.kind !== this.kind_ && track.mode === 'showing') {
        disabled = true;
        break;
      }
    }

    // If another track is showing, disable this menu button
    if (disabled) {
      this.disable();
    } else {
      this.enable();
    }
  };

  /**
   * Builds the default DOM `className`.
   *
   * @return {string}
   *         The DOM `className` for this object.
   */


  DescriptionsButton.prototype.buildCSSClass = function buildCSSClass() {
    return 'vjs-descriptions-button ' + _TextTrackButton.prototype.buildCSSClass.call(this);
  };

  DescriptionsButton.prototype.buildWrapperCSSClass = function buildWrapperCSSClass() {
    return 'vjs-descriptions-button ' + _TextTrackButton.prototype.buildWrapperCSSClass.call(this);
  };

  return DescriptionsButton;
}(TextTrackButton);

/**
 * `kind` of TextTrack to look for to associate it with this menu.
 *
 * @type {string}
 * @private
 */


DescriptionsButton.prototype.kind_ = 'descriptions';

/**
 * The text that should display over the `DescriptionsButton`s controls. Added for localization.
 *
 * @type {string}
 * @private
 */
DescriptionsButton.prototype.controlText_ = 'Descriptions';

Component.registerComponent('DescriptionsButton', DescriptionsButton);

/**
 * @file subtitles-button.js
 */
/**
 * The button component for toggling and selecting subtitles
 *
 * @extends TextTrackButton
 */

var SubtitlesButton = function (_TextTrackButton) {
  inherits(SubtitlesButton, _TextTrackButton);

  /**
   * Creates an instance of this class.
   *
   * @param {Player} player
   *        The `Player` that this class should be attached to.
   *
   * @param {Object} [options]
   *        The key/value store of player options.
   *
   * @param {Component~ReadyCallback} [ready]
   *        The function to call when this component is ready.
   */
  function SubtitlesButton(player, options, ready) {
    classCallCheck(this, SubtitlesButton);
    return possibleConstructorReturn(this, _TextTrackButton.call(this, player, options, ready));
  }

  /**
   * Builds the default DOM `className`.
   *
   * @return {string}
   *         The DOM `className` for this object.
   */


  SubtitlesButton.prototype.buildCSSClass = function buildCSSClass() {
    return 'vjs-subtitles-button ' + _TextTrackButton.prototype.buildCSSClass.call(this);
  };

  SubtitlesButton.prototype.buildWrapperCSSClass = function buildWrapperCSSClass() {
    return 'vjs-subtitles-button ' + _TextTrackButton.prototype.buildWrapperCSSClass.call(this);
  };

  return SubtitlesButton;
}(TextTrackButton);

/**
 * `kind` of TextTrack to look for to associate it with this menu.
 *
 * @type {string}
 * @private
 */


SubtitlesButton.prototype.kind_ = 'subtitles';

/**
 * The text that should display over the `SubtitlesButton`s controls. Added for localization.
 *
 * @type {string}
 * @private
 */
SubtitlesButton.prototype.controlText_ = 'Subtitles';

Component.registerComponent('SubtitlesButton', SubtitlesButton);

/**
 * @file caption-settings-menu-item.js
 */
/**
 * The menu item for caption track settings menu
 *
 * @extends TextTrackMenuItem
 */

var CaptionSettingsMenuItem = function (_TextTrackMenuItem) {
  inherits(CaptionSettingsMenuItem, _TextTrackMenuItem);

  /**
   * Creates an instance of this class.
   *
   * @param {Player} player
   *        The `Player` that this class should be attached to.
   *
   * @param {Object} [options]
   *        The key/value store of player options.
   */
  function CaptionSettingsMenuItem(player, options) {
    classCallCheck(this, CaptionSettingsMenuItem);

    options.track = {
      player: player,
      kind: options.kind,
      label: options.kind + ' settings',
      selectable: false,
      'default': false,
      mode: 'disabled'
    };

    // CaptionSettingsMenuItem has no concept of 'selected'
    options.selectable = false;

    options.name = 'CaptionSettingsMenuItem';

    var _this = possibleConstructorReturn(this, _TextTrackMenuItem.call(this, player, options));

    _this.addClass('vjs-texttrack-settings');
    _this.controlText(', opens ' + options.kind + ' settings dialog');
    return _this;
  }

  /**
   * This gets called when an `CaptionSettingsMenuItem` is "clicked". See
   * {@link ClickableComponent} for more detailed information on what a click can be.
   *
   * @param {EventTarget~Event} [event]
   *        The `keydown`, `tap`, or `click` event that caused this function to be
   *        called.
   *
   * @listens tap
   * @listens click
   */


  CaptionSettingsMenuItem.prototype.handleClick = function handleClick(event) {
    this.player().getChild('textTrackSettings').open();
  };

  return CaptionSettingsMenuItem;
}(TextTrackMenuItem);

Component.registerComponent('CaptionSettingsMenuItem', CaptionSettingsMenuItem);

/**
 * @file captions-button.js
 */
/**
 * The button component for toggling and selecting captions
 *
 * @extends TextTrackButton
 */

var CaptionsButton = function (_TextTrackButton) {
  inherits(CaptionsButton, _TextTrackButton);

  /**
   * Creates an instance of this class.
   *
   * @param {Player} player
   *        The `Player` that this class should be attached to.
   *
   * @param {Object} [options]
   *        The key/value store of player options.
   *
   * @param {Component~ReadyCallback} [ready]
   *        The function to call when this component is ready.
   */
  function CaptionsButton(player, options, ready) {
    classCallCheck(this, CaptionsButton);
    return possibleConstructorReturn(this, _TextTrackButton.call(this, player, options, ready));
  }

  /**
   * Builds the default DOM `className`.
   *
   * @return {string}
   *         The DOM `className` for this object.
   */


  CaptionsButton.prototype.buildCSSClass = function buildCSSClass() {
    return 'vjs-captions-button ' + _TextTrackButton.prototype.buildCSSClass.call(this);
  };

  CaptionsButton.prototype.buildWrapperCSSClass = function buildWrapperCSSClass() {
    return 'vjs-captions-button ' + _TextTrackButton.prototype.buildWrapperCSSClass.call(this);
  };

  /**
   * Create caption menu items
   *
   * @return {CaptionSettingsMenuItem[]}
   *         The array of current menu items.
   */


  CaptionsButton.prototype.createItems = function createItems() {
    var items = [];

    if (!(this.player().tech_ && this.player().tech_.featuresNativeTextTracks) && this.player().getChild('textTrackSettings')) {
      items.push(new CaptionSettingsMenuItem(this.player_, { kind: this.kind_ }));

      this.hideThreshold_ += 1;
    }

    return _TextTrackButton.prototype.createItems.call(this, items);
  };

  return CaptionsButton;
}(TextTrackButton);

/**
 * `kind` of TextTrack to look for to associate it with this menu.
 *
 * @type {string}
 * @private
 */


CaptionsButton.prototype.kind_ = 'captions';

/**
 * The text that should display over the `CaptionsButton`s controls. Added for localization.
 *
 * @type {string}
 * @private
 */
CaptionsButton.prototype.controlText_ = 'Captions';

Component.registerComponent('CaptionsButton', CaptionsButton);

/**
 * @file subs-caps-menu-item.js
 */
/**
 * SubsCapsMenuItem has an [cc] icon to distinguish captions from subtitles
 * in the SubsCapsMenu.
 *
 * @extends TextTrackMenuItem
 */

var SubsCapsMenuItem = function (_TextTrackMenuItem) {
  inherits(SubsCapsMenuItem, _TextTrackMenuItem);

  function SubsCapsMenuItem() {
    classCallCheck(this, SubsCapsMenuItem);
    return possibleConstructorReturn(this, _TextTrackMenuItem.apply(this, arguments));
  }

  SubsCapsMenuItem.prototype.createEl = function createEl(type, props, attrs) {
    var innerHTML = '<span class="vjs-menu-item-text">' + this.localize(this.options_.label);

    if (this.options_.track.kind === 'captions') {
      innerHTML += '\n        <span aria-hidden="true" class="vjs-icon-placeholder"></span>\n        <span class="vjs-control-text"> ' + this.localize('Captions') + '</span>\n      ';
    }

    innerHTML += '</span>';

    var el = _TextTrackMenuItem.prototype.createEl.call(this, type, assign({
      innerHTML: innerHTML
    }, props), attrs);

    return el;
  };

  return SubsCapsMenuItem;
}(TextTrackMenuItem);

Component.registerComponent('SubsCapsMenuItem', SubsCapsMenuItem);

/**
 * @file sub-caps-button.js
 */
/**
 * The button component for toggling and selecting captions and/or subtitles
 *
 * @extends TextTrackButton
 */

var SubsCapsButton = function (_TextTrackButton) {
  inherits(SubsCapsButton, _TextTrackButton);

  function SubsCapsButton(player) {
    var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
    classCallCheck(this, SubsCapsButton);

    // Although North America uses "captions" in most cases for
    // "captions and subtitles" other locales use "subtitles"
    var _this = possibleConstructorReturn(this, _TextTrackButton.call(this, player, options));

    _this.label_ = 'subtitles';
    if (['en', 'en-us', 'en-ca', 'fr-ca'].indexOf(_this.player_.language_) > -1) {
      _this.label_ = 'captions';
    }
    _this.menuButton_.controlText(toTitleCase(_this.label_));
    return _this;
  }

  /**
   * Builds the default DOM `className`.
   *
   * @return {string}
   *         The DOM `className` for this object.
   */


  SubsCapsButton.prototype.buildCSSClass = function buildCSSClass() {
    return 'vjs-subs-caps-button ' + _TextTrackButton.prototype.buildCSSClass.call(this);
  };

  SubsCapsButton.prototype.buildWrapperCSSClass = function buildWrapperCSSClass() {
    return 'vjs-subs-caps-button ' + _TextTrackButton.prototype.buildWrapperCSSClass.call(this);
  };

  /**
   * Create caption/subtitles menu items
   *
   * @return {CaptionSettingsMenuItem[]}
   *         The array of current menu items.
   */


  SubsCapsButton.prototype.createItems = function createItems() {
    var items = [];

    if (!(this.player().tech_ && this.player().tech_.featuresNativeTextTracks) && this.player().getChild('textTrackSettings')) {
      items.push(new CaptionSettingsMenuItem(this.player_, { kind: this.label_ }));

      this.hideThreshold_ += 1;
    }

    items = _TextTrackButton.prototype.createItems.call(this, items, SubsCapsMenuItem);
    return items;
  };

  return SubsCapsButton;
}(TextTrackButton);

/**
 * `kind`s of TextTrack to look for to associate it with this menu.
 *
 * @type {array}
 * @private
 */


SubsCapsButton.prototype.kinds_ = ['captions', 'subtitles'];

/**
 * The text that should display over the `SubsCapsButton`s controls.
 *
 *
 * @type {string}
 * @private
 */
SubsCapsButton.prototype.controlText_ = 'Subtitles';

Component.registerComponent('SubsCapsButton', SubsCapsButton);

/**
 * @file audio-track-menu-item.js
 */
/**
 * An {@link AudioTrack} {@link MenuItem}
 *
 * @extends MenuItem
 */

var AudioTrackMenuItem = function (_MenuItem) {
  inherits(AudioTrackMenuItem, _MenuItem);

  /**
   * Creates an instance of this class.
   *
   * @param {Player} player
   *        The `Player` that this class should be attached to.
   *
   * @param {Object} [options]
   *        The key/value store of player options.
   */
  function AudioTrackMenuItem(player, options) {
    classCallCheck(this, AudioTrackMenuItem);

    var track = options.track;
    var tracks = player.audioTracks();

    // Modify options for parent MenuItem class's init.
    options.label = track.label || track.language || 'Unknown';
    options.selected = track.enabled;

    var _this = possibleConstructorReturn(this, _MenuItem.call(this, player, options));

    _this.track = track;

    _this.addClass('vjs-' + track.kind + '-menu-item');

    var changeHandler = function changeHandler() {
      for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
        args[_key] = arguments[_key];
      }

      _this.handleTracksChange.apply(_this, args);
    };

    tracks.addEventListener('change', changeHandler);
    _this.on('dispose', function () {
      tracks.removeEventListener('change', changeHandler);
    });
    return _this;
  }

  AudioTrackMenuItem.prototype.createEl = function createEl(type, props, attrs) {
    var innerHTML = '<span class="vjs-menu-item-text">' + this.localize(this.options_.label);

    if (this.options_.track.kind === 'main-desc') {
      innerHTML += '\n        <span aria-hidden="true" class="vjs-icon-placeholder"></span>\n        <span class="vjs-control-text"> ' + this.localize('Descriptions') + '</span>\n      ';
    }

    innerHTML += '</span>';

    var el = _MenuItem.prototype.createEl.call(this, type, assign({
      innerHTML: innerHTML
    }, props), attrs);

    return el;
  };

  /**
   * This gets called when an `AudioTrackMenuItem is "clicked". See {@link ClickableComponent}
   * for more detailed information on what a click can be.
   *
   * @param {EventTarget~Event} [event]
   *        The `keydown`, `tap`, or `click` event that caused this function to be
   *        called.
   *
   * @listens tap
   * @listens click
   */


  AudioTrackMenuItem.prototype.handleClick = function handleClick(event) {
    var tracks = this.player_.audioTracks();

    _MenuItem.prototype.handleClick.call(this, event);

    for (var i = 0; i < tracks.length; i++) {
      var track = tracks[i];

      track.enabled = track === this.track;
    }
  };

  /**
   * Handle any {@link AudioTrack} change.
   *
   * @param {EventTarget~Event} [event]
   *        The {@link AudioTrackList#change} event that caused this to run.
   *
   * @listens AudioTrackList#change
   */


  AudioTrackMenuItem.prototype.handleTracksChange = function handleTracksChange(event) {
    this.selected(this.track.enabled);
  };

  return AudioTrackMenuItem;
}(MenuItem);

Component.registerComponent('AudioTrackMenuItem', AudioTrackMenuItem);

/**
 * @file audio-track-button.js
 */
/**
 * The base class for buttons that toggle specific {@link AudioTrack} types.
 *
 * @extends TrackButton
 */

var AudioTrackButton = function (_TrackButton) {
  inherits(AudioTrackButton, _TrackButton);

  /**
   * Creates an instance of this class.
   *
   * @param {Player} player
   *        The `Player` that this class should be attached to.
   *
   * @param {Object} [options={}]
   *        The key/value store of player options.
   */
  function AudioTrackButton(player) {
    var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
    classCallCheck(this, AudioTrackButton);

    options.tracks = player.audioTracks();

    return possibleConstructorReturn(this, _TrackButton.call(this, player, options));
  }

  /**
   * Builds the default DOM `className`.
   *
   * @return {string}
   *         The DOM `className` for this object.
   */


  AudioTrackButton.prototype.buildCSSClass = function buildCSSClass() {
    return 'vjs-audio-button ' + _TrackButton.prototype.buildCSSClass.call(this);
  };

  AudioTrackButton.prototype.buildWrapperCSSClass = function buildWrapperCSSClass() {
    return 'vjs-audio-button ' + _TrackButton.prototype.buildWrapperCSSClass.call(this);
  };

  /**
   * Create a menu item for each audio track
   *
   * @param {AudioTrackMenuItem[]} [items=[]]
   *        An array of existing menu items to use.
   *
   * @return {AudioTrackMenuItem[]}
   *         An array of menu items
   */


  AudioTrackButton.prototype.createItems = function createItems() {
    var items = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];

    // if there's only one audio track, there no point in showing it
    this.hideThreshold_ = 1;

    var tracks = this.player_.audioTracks();

    for (var i = 0; i < tracks.length; i++) {
      var track = tracks[i];

      items.push(new AudioTrackMenuItem(this.player_, {
        track: track,
        // MenuItem is selectable
        selectable: true,
        // MenuItem is NOT multiSelectable (i.e. only one can be marked "selected" at a time)
        multiSelectable: false
      }));
    }

    return items;
  };

  return AudioTrackButton;
}(TrackButton);

/**
 * The text that should display over the `AudioTrackButton`s controls. Added for localization.
 *
 * @type {string}
 * @private
 */


AudioTrackButton.prototype.controlText_ = 'Audio Track';
Component.registerComponent('AudioTrackButton', AudioTrackButton);

/**
 * @file playback-rate-menu-item.js
 */
/**
 * The specific menu item type for selecting a playback rate.
 *
 * @extends MenuItem
 */

var PlaybackRateMenuItem = function (_MenuItem) {
  inherits(PlaybackRateMenuItem, _MenuItem);

  /**
   * Creates an instance of this class.
   *
   * @param {Player} player
   *        The `Player` that this class should be attached to.
   *
   * @param {Object} [options]
   *        The key/value store of player options.
   */
  function PlaybackRateMenuItem(player, options) {
    classCallCheck(this, PlaybackRateMenuItem);

    var label = options.rate;
    var rate = parseFloat(label, 10);

    // Modify options for parent MenuItem class's init.
    options.label = label;
    options.selected = rate === 1;
    options.selectable = true;
    options.multiSelectable = false;

    var _this = possibleConstructorReturn(this, _MenuItem.call(this, player, options));

    _this.label = label;
    _this.rate = rate;

    _this.on(player, 'ratechange', _this.update);
    return _this;
  }

  /**
   * This gets called when an `PlaybackRateMenuItem` is "clicked". See
   * {@link ClickableComponent} for more detailed information on what a click can be.
   *
   * @param {EventTarget~Event} [event]
   *        The `keydown`, `tap`, or `click` event that caused this function to be
   *        called.
   *
   * @listens tap
   * @listens click
   */


  PlaybackRateMenuItem.prototype.handleClick = function handleClick(event) {
    _MenuItem.prototype.handleClick.call(this);
    this.player().playbackRate(this.rate);
  };

  /**
   * Update the PlaybackRateMenuItem when the playbackrate changes.
   *
   * @param {EventTarget~Event} [event]
   *        The `ratechange` event that caused this function to run.
   *
   * @listens Player#ratechange
   */


  PlaybackRateMenuItem.prototype.update = function update(event) {
    this.selected(this.player().playbackRate() === this.rate);
  };

  return PlaybackRateMenuItem;
}(MenuItem);

/**
 * The text that should display over the `PlaybackRateMenuItem`s controls. Added for localization.
 *
 * @type {string}
 * @private
 */


PlaybackRateMenuItem.prototype.contentElType = 'button';

Component.registerComponent('PlaybackRateMenuItem', PlaybackRateMenuItem);

/**
 * @file playback-rate-menu-button.js
 */
/**
 * The component for controlling the playback rate.
 *
 * @extends MenuButton
 */

var PlaybackRateMenuButton = function (_MenuButton) {
  inherits(PlaybackRateMenuButton, _MenuButton);

  /**
   * Creates an instance of this class.
   *
   * @param {Player} player
   *        The `Player` that this class should be attached to.
   *
   * @param {Object} [options]
   *        The key/value store of player options.
   */
  function PlaybackRateMenuButton(player, options) {
    classCallCheck(this, PlaybackRateMenuButton);

    var _this = possibleConstructorReturn(this, _MenuButton.call(this, player, options));

    _this.updateVisibility();
    _this.updateLabel();

    _this.on(player, 'loadstart', _this.updateVisibility);
    _this.on(player, 'ratechange', _this.updateLabel);
    return _this;
  }

  /**
   * Create the `Component`'s DOM element
   *
   * @return {Element}
   *         The element that was created.
   */


  PlaybackRateMenuButton.prototype.createEl = function createEl$$1() {
    var el = _MenuButton.prototype.createEl.call(this);

    this.labelEl_ = createEl('div', {
      className: 'vjs-playback-rate-value',
      innerHTML: '1x'
    });

    el.appendChild(this.labelEl_);

    return el;
  };

  PlaybackRateMenuButton.prototype.dispose = function dispose() {
    this.labelEl_ = null;

    _MenuButton.prototype.dispose.call(this);
  };

  /**
   * Builds the default DOM `className`.
   *
   * @return {string}
   *         The DOM `className` for this object.
   */


  PlaybackRateMenuButton.prototype.buildCSSClass = function buildCSSClass() {
    return 'vjs-playback-rate ' + _MenuButton.prototype.buildCSSClass.call(this);
  };

  PlaybackRateMenuButton.prototype.buildWrapperCSSClass = function buildWrapperCSSClass() {
    return 'vjs-playback-rate ' + _MenuButton.prototype.buildWrapperCSSClass.call(this);
  };

  /**
   * Create the playback rate menu
   *
   * @return {Menu}
   *         Menu object populated with {@link PlaybackRateMenuItem}s
   */


  PlaybackRateMenuButton.prototype.createMenu = function createMenu() {
    var menu = new Menu(this.player());
    var rates = this.playbackRates();

    if (rates) {
      for (var i = rates.length - 1; i >= 0; i--) {
        menu.addChild(new PlaybackRateMenuItem(this.player(), { rate: rates[i] + 'x' }));
      }
    }

    return menu;
  };

  /**
   * Updates ARIA accessibility attributes
   */


  PlaybackRateMenuButton.prototype.updateARIAAttributes = function updateARIAAttributes() {
    // Current playback rate
    this.el().setAttribute('aria-valuenow', this.player().playbackRate());
  };

  /**
   * This gets called when an `PlaybackRateMenuButton` is "clicked". See
   * {@link ClickableComponent} for more detailed information on what a click can be.
   *
   * @param {EventTarget~Event} [event]
   *        The `keydown`, `tap`, or `click` event that caused this function to be
   *        called.
   *
   * @listens tap
   * @listens click
   */


  PlaybackRateMenuButton.prototype.handleClick = function handleClick(event) {
    // select next rate option
    var currentRate = this.player().playbackRate();
    var rates = this.playbackRates();

    // this will select first one if the last one currently selected
    var newRate = rates[0];

    for (var i = 0; i < rates.length; i++) {
      if (rates[i] > currentRate) {
        newRate = rates[i];
        break;
      }
    }
    this.player().playbackRate(newRate);
  };

  /**
   * Get possible playback rates
   *
   * @return {Array}
   *         All possible playback rates
   */


  PlaybackRateMenuButton.prototype.playbackRates = function playbackRates() {
    return this.options_.playbackRates || this.options_.playerOptions && this.options_.playerOptions.playbackRates;
  };

  /**
   * Get whether playback rates is supported by the tech
   * and an array of playback rates exists
   *
   * @return {boolean}
   *         Whether changing playback rate is supported
   */


  PlaybackRateMenuButton.prototype.playbackRateSupported = function playbackRateSupported() {
    return this.player().tech_ && this.player().tech_.featuresPlaybackRate && this.playbackRates() && this.playbackRates().length > 0;
  };

  /**
   * Hide playback rate controls when they're no playback rate options to select
   *
   * @param {EventTarget~Event} [event]
   *        The event that caused this function to run.
   *
   * @listens Player#loadstart
   */


  PlaybackRateMenuButton.prototype.updateVisibility = function updateVisibility(event) {
    if (this.playbackRateSupported()) {
      this.removeClass('vjs-hidden');
    } else {
      this.addClass('vjs-hidden');
    }
  };

  /**
   * Update button label when rate changed
   *
   * @param {EventTarget~Event} [event]
   *        The event that caused this function to run.
   *
   * @listens Player#ratechange
   */


  PlaybackRateMenuButton.prototype.updateLabel = function updateLabel(event) {
    if (this.playbackRateSupported()) {
      this.labelEl_.innerHTML = this.player().playbackRate() + 'x';
    }
  };

  return PlaybackRateMenuButton;
}(MenuButton);

/**
 * The text that should display over the `FullscreenToggle`s controls. Added for localization.
 *
 * @type {string}
 * @private
 */


PlaybackRateMenuButton.prototype.controlText_ = 'Playback Rate';

Component.registerComponent('PlaybackRateMenuButton', PlaybackRateMenuButton);

/**
 * @file spacer.js
 */
/**
 * Just an empty spacer element that can be used as an append point for plugins, etc.
 * Also can be used to create space between elements when necessary.
 *
 * @extends Component
 */

var Spacer = function (_Component) {
  inherits(Spacer, _Component);

  function Spacer() {
    classCallCheck(this, Spacer);
    return possibleConstructorReturn(this, _Component.apply(this, arguments));
  }

  /**
   * Builds the default DOM `className`.
   *
   * @return {string}
   *         The DOM `className` for this object.
   */
  Spacer.prototype.buildCSSClass = function buildCSSClass() {
    return 'vjs-spacer ' + _Component.prototype.buildCSSClass.call(this);
  };

  /**
   * Create the `Component`'s DOM element
   *
   * @return {Element}
   *         The element that was created.
   */


  Spacer.prototype.createEl = function createEl() {
    return _Component.prototype.createEl.call(this, 'div', {
      className: this.buildCSSClass()
    });
  };

  return Spacer;
}(Component);

Component.registerComponent('Spacer', Spacer);

/**
 * @file custom-control-spacer.js
 */
/**
 * Spacer specifically meant to be used as an insertion point for new plugins, etc.
 *
 * @extends Spacer
 */

var CustomControlSpacer = function (_Spacer) {
  inherits(CustomControlSpacer, _Spacer);

  function CustomControlSpacer() {
    classCallCheck(this, CustomControlSpacer);
    return possibleConstructorReturn(this, _Spacer.apply(this, arguments));
  }

  /**
   * Builds the default DOM `className`.
   *
   * @return {string}
   *         The DOM `className` for this object.
   */
  CustomControlSpacer.prototype.buildCSSClass = function buildCSSClass() {
    return 'vjs-custom-control-spacer ' + _Spacer.prototype.buildCSSClass.call(this);
  };

  /**
   * Create the `Component`'s DOM element
   *
   * @return {Element}
   *         The element that was created.
   */


  CustomControlSpacer.prototype.createEl = function createEl() {
    var el = _Spacer.prototype.createEl.call(this, {
      className: this.buildCSSClass()
    });

    // No-flex/table-cell mode requires there be some content
    // in the cell to fill the remaining space of the table.
    el.innerHTML = '\xA0';
    return el;
  };

  return CustomControlSpacer;
}(Spacer);

Component.registerComponent('CustomControlSpacer', CustomControlSpacer);

/**
 * @file control-bar.js
 */
// Required children
/**
 * Container of main controls.
 *
 * @extends Component
 */

var ControlBar = function (_Component) {
  inherits(ControlBar, _Component);

  function ControlBar() {
    classCallCheck(this, ControlBar);
    return possibleConstructorReturn(this, _Component.apply(this, arguments));
  }

  /**
   * Create the `Component`'s DOM element
   *
   * @return {Element}
   *         The element that was created.
   */
  ControlBar.prototype.createEl = function createEl() {
    return _Component.prototype.createEl.call(this, 'div', {
      className: 'vjs-control-bar',
      dir: 'ltr'
    });
  };

  return ControlBar;
}(Component);

/**
 * Default options for `ControlBar`
 *
 * @type {Object}
 * @private
 */


ControlBar.prototype.options_ = {
  children: ['playToggle', 'volumePanel', 'currentTimeDisplay', 'timeDivider', 'durationDisplay', 'progressControl', 'liveDisplay', 'remainingTimeDisplay', 'customControlSpacer', 'playbackRateMenuButton', 'chaptersButton', 'descriptionsButton', 'subsCapsButton', 'audioTrackButton', 'fullscreenToggle']
};

Component.registerComponent('ControlBar', ControlBar);

/**
 * @file error-display.js
 */
/**
 * A display that indicates an error has occurred. This means that the video
 * is unplayable.
 *
 * @extends ModalDialog
 */

var ErrorDisplay = function (_ModalDialog) {
  inherits(ErrorDisplay, _ModalDialog);

  /**
   * Creates an instance of this class.
   *
   * @param  {Player} player
   *         The `Player` that this class should be attached to.
   *
   * @param  {Object} [options]
   *         The key/value store of player options.
   */
  function ErrorDisplay(player, options) {
    classCallCheck(this, ErrorDisplay);

    var _this = possibleConstructorReturn(this, _ModalDialog.call(this, player, options));

    _this.on(player, 'error', _this.open);
    return _this;
  }

  /**
   * Builds the default DOM `className`.
   *
   * @return {string}
   *         The DOM `className` for this object.
   *
   * @deprecated Since version 5.
   */


  ErrorDisplay.prototype.buildCSSClass = function buildCSSClass() {
    return 'vjs-error-display ' + _ModalDialog.prototype.buildCSSClass.call(this);
  };

  /**
   * Gets the localized error message based on the `Player`s error.
   *
   * @return {string}
   *         The `Player`s error message localized or an empty string.
   */


  ErrorDisplay.prototype.content = function content() {
    var error = this.player().error();

    return error ? this.localize(error.message) : '';
  };

  return ErrorDisplay;
}(ModalDialog);

/**
 * The default options for an `ErrorDisplay`.
 *
 * @private
 */


ErrorDisplay.prototype.options_ = mergeOptions(ModalDialog.prototype.options_, {
  pauseOnOpen: false,
  fillAlways: true,
  temporary: false,
  uncloseable: true
});

Component.registerComponent('ErrorDisplay', ErrorDisplay);

/**
 * @file text-track-settings.js
 */
var LOCAL_STORAGE_KEY = 'vjs-text-track-settings';

var COLOR_BLACK = ['#000', 'Black'];
var COLOR_BLUE = ['#00F', 'Blue'];
var COLOR_CYAN = ['#0FF', 'Cyan'];
var COLOR_GREEN = ['#0F0', 'Green'];
var COLOR_MAGENTA = ['#F0F', 'Magenta'];
var COLOR_RED = ['#F00', 'Red'];
var COLOR_WHITE = ['#FFF', 'White'];
var COLOR_YELLOW = ['#FF0', 'Yellow'];

var OPACITY_OPAQUE = ['1', 'Opaque'];
var OPACITY_SEMI = ['0.5', 'Semi-Transparent'];
var OPACITY_TRANS = ['0', 'Transparent'];

// Configuration for the various <select> elements in the DOM of this component.
//
// Possible keys include:
//
// `default`:
//   The default option index. Only needs to be provided if not zero.
// `parser`:
//   A function which is used to parse the value from the selected option in
//   a customized way.
// `selector`:
//   The selector used to find the associated <select> element.
var selectConfigs = {
  backgroundColor: {
    selector: '.vjs-bg-color > select',
    id: 'captions-background-color-%s',
    label: 'Color',
    options: [COLOR_BLACK, COLOR_WHITE, COLOR_RED, COLOR_GREEN, COLOR_BLUE, COLOR_YELLOW, COLOR_MAGENTA, COLOR_CYAN]
  },

  backgroundOpacity: {
    selector: '.vjs-bg-opacity > select',
    id: 'captions-background-opacity-%s',
    label: 'Transparency',
    options: [OPACITY_OPAQUE, OPACITY_SEMI, OPACITY_TRANS]
  },

  color: {
    selector: '.vjs-fg-color > select',
    id: 'captions-foreground-color-%s',
    label: 'Color',
    options: [COLOR_WHITE, COLOR_BLACK, COLOR_RED, COLOR_GREEN, COLOR_BLUE, COLOR_YELLOW, COLOR_MAGENTA, COLOR_CYAN]
  },

  edgeStyle: {
    selector: '.vjs-edge-style > select',
    id: '%s',
    label: 'Text Edge Style',
    options: [['none', 'None'], ['raised', 'Raised'], ['depressed', 'Depressed'], ['uniform', 'Uniform'], ['dropshadow', 'Dropshadow']]
  },

  fontFamily: {
    selector: '.vjs-font-family > select',
    id: 'captions-font-family-%s',
    label: 'Font Family',
    options: [['proportionalSansSerif', 'Proportional Sans-Serif'], ['monospaceSansSerif', 'Monospace Sans-Serif'], ['proportionalSerif', 'Proportional Serif'], ['monospaceSerif', 'Monospace Serif'], ['casual', 'Casual'], ['script', 'Script'], ['small-caps', 'Small Caps']]
  },

  fontPercent: {
    selector: '.vjs-font-percent > select',
    id: 'captions-font-size-%s',
    label: 'Font Size',
    options: [['0.50', '50%'], ['0.75', '75%'], ['1.00', '100%'], ['1.25', '125%'], ['1.50', '150%'], ['1.75', '175%'], ['2.00', '200%'], ['3.00', '300%'], ['4.00', '400%']],
    'default': 2,
    parser: function parser(v) {
      return v === '1.00' ? null : Number(v);
    }
  },

  textOpacity: {
    selector: '.vjs-text-opacity > select',
    id: 'captions-foreground-opacity-%s',
    label: 'Transparency',
    options: [OPACITY_OPAQUE, OPACITY_SEMI]
  },

  // Options for this object are defined below.
  windowColor: {
    selector: '.vjs-window-color > select',
    id: 'captions-window-color-%s',
    label: 'Color'
  },

  // Options for this object are defined below.
  windowOpacity: {
    selector: '.vjs-window-opacity > select',
    id: 'captions-window-opacity-%s',
    label: 'Transparency',
    options: [OPACITY_TRANS, OPACITY_SEMI, OPACITY_OPAQUE]
  }
};

selectConfigs.windowColor.options = selectConfigs.backgroundColor.options;

/**
 * Get the actual value of an option.
 *
 * @param  {string} value
 *         The value to get
 *
 * @param  {Function} [parser]
 *         Optional function to adjust the value.
 *
 * @return {Mixed}
 *         - Will be `undefined` if no value exists
 *         - Will be `undefined` if the given value is "none".
 *         - Will be the actual value otherwise.
 *
 * @private
 */
function parseOptionValue(value, parser) {
  if (parser) {
    value = parser(value);
  }

  if (value && value !== 'none') {
    return value;
  }
}

/**
 * Gets the value of the selected <option> element within a <select> element.
 *
 * @param  {Element} el
 *         the element to look in
 *
 * @param  {Function} [parser]
 *         Optional function to adjust the value.
 *
 * @return {Mixed}
 *         - Will be `undefined` if no value exists
 *         - Will be `undefined` if the given value is "none".
 *         - Will be the actual value otherwise.
 *
 * @private
 */
function getSelectedOptionValue(el, parser) {
  var value = el.options[el.options.selectedIndex].value;

  return parseOptionValue(value, parser);
}

/**
 * Sets the selected <option> element within a <select> element based on a
 * given value.
 *
 * @param {Element} el
 *        The element to look in.
 *
 * @param {string} value
 *        the property to look on.
 *
 * @param {Function} [parser]
 *        Optional function to adjust the value before comparing.
 *
 * @private
 */
function setSelectedOption(el, value, parser) {
  if (!value) {
    return;
  }

  for (var i = 0; i < el.options.length; i++) {
    if (parseOptionValue(el.options[i].value, parser) === value) {
      el.selectedIndex = i;
      break;
    }
  }
}

/**
 * Manipulate Text Tracks settings.
 *
 * @extends ModalDialog
 */

var TextTrackSettings = function (_ModalDialog) {
  inherits(TextTrackSettings, _ModalDialog);

  /**
   * Creates an instance of this class.
   *
   * @param {Player} player
   *         The `Player` that this class should be attached to.
   *
   * @param {Object} [options]
   *         The key/value store of player options.
   */
  function TextTrackSettings(player, options) {
    classCallCheck(this, TextTrackSettings);

    options.temporary = false;

    var _this = possibleConstructorReturn(this, _ModalDialog.call(this, player, options));

    _this.updateDisplay = bind(_this, _this.updateDisplay);

    // fill the modal and pretend we have opened it
    _this.fill();
    _this.hasBeenOpened_ = _this.hasBeenFilled_ = true;

    _this.endDialog = createEl('p', {
      className: 'vjs-control-text',
      textContent: _this.localize('End of dialog window.')
    });
    _this.el().appendChild(_this.endDialog);

    _this.setDefaults();

    // Grab `persistTextTrackSettings` from the player options if not passed in child options
    if (options.persistTextTrackSettings === undefined) {
      _this.options_.persistTextTrackSettings = _this.options_.playerOptions.persistTextTrackSettings;
    }

    _this.on(_this.$('.vjs-done-button'), 'click', function () {
      _this.saveSettings();
      _this.close();
    });

    _this.on(_this.$('.vjs-default-button'), 'click', function () {
      _this.setDefaults();
      _this.updateDisplay();
    });

    each(selectConfigs, function (config) {
      _this.on(_this.$(config.selector), 'change', _this.updateDisplay);
    });

    if (_this.options_.persistTextTrackSettings) {
      _this.restoreSettings();
    }
    return _this;
  }

  TextTrackSettings.prototype.dispose = function dispose() {
    this.endDialog = null;

    _ModalDialog.prototype.dispose.call(this);
  };

  /**
   * Create a <select> element with configured options.
   *
   * @param {string} key
   *        Configuration key to use during creation.
   *
   * @return {string}
   *         An HTML string.
   *
   * @private
   */


  TextTrackSettings.prototype.createElSelect_ = function createElSelect_(key) {
    var _this2 = this;

    var legendId = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : '';
    var type = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 'label';

    var config = selectConfigs[key];
    var id = config.id.replace('%s', this.id_);
    var selectLabelledbyIds = [legendId, id].join(' ').trim();

    return ['<' + type + ' id="' + id + '" class="' + (type === 'label' ? 'vjs-label' : '') + '">', this.localize(config.label), '</' + type + '>', '<select aria-labelledby="' + selectLabelledbyIds + '">'].concat(config.options.map(function (o) {
      var optionId = id + '-' + o[1].replace(/\W+/g, '');

      return ['<option id="' + optionId + '" value="' + o[0] + '" ', 'aria-labelledby="' + selectLabelledbyIds + ' ' + optionId + '">', _this2.localize(o[1]), '</option>'].join('');
    })).concat('</select>').join('');
  };

  /**
   * Create foreground color element for the component
   *
   * @return {string}
   *         An HTML string.
   *
   * @private
   */


  TextTrackSettings.prototype.createElFgColor_ = function createElFgColor_() {
    var legendId = 'captions-text-legend-' + this.id_;

    return ['<fieldset class="vjs-fg-color vjs-track-setting">', '<legend id="' + legendId + '">', this.localize('Text'), '</legend>', this.createElSelect_('color', legendId), '<span class="vjs-text-opacity vjs-opacity">', this.createElSelect_('textOpacity', legendId), '</span>', '</fieldset>'].join('');
  };

  /**
   * Create background color element for the component
   *
   * @return {string}
   *         An HTML string.
   *
   * @private
   */


  TextTrackSettings.prototype.createElBgColor_ = function createElBgColor_() {
    var legendId = 'captions-background-' + this.id_;

    return ['<fieldset class="vjs-bg-color vjs-track-setting">', '<legend id="' + legendId + '">', this.localize('Background'), '</legend>', this.createElSelect_('backgroundColor', legendId), '<span class="vjs-bg-opacity vjs-opacity">', this.createElSelect_('backgroundOpacity', legendId), '</span>', '</fieldset>'].join('');
  };

  /**
   * Create window color element for the component
   *
   * @return {string}
   *         An HTML string.
   *
   * @private
   */


  TextTrackSettings.prototype.createElWinColor_ = function createElWinColor_() {
    var legendId = 'captions-window-' + this.id_;

    return ['<fieldset class="vjs-window-color vjs-track-setting">', '<legend id="' + legendId + '">', this.localize('Window'), '</legend>', this.createElSelect_('windowColor', legendId), '<span class="vjs-window-opacity vjs-opacity">', this.createElSelect_('windowOpacity', legendId), '</span>', '</fieldset>'].join('');
  };

  /**
   * Create color elements for the component
   *
   * @return {Element}
   *         The element that was created
   *
   * @private
   */


  TextTrackSettings.prototype.createElColors_ = function createElColors_() {
    return createEl('div', {
      className: 'vjs-track-settings-colors',
      innerHTML: [this.createElFgColor_(), this.createElBgColor_(), this.createElWinColor_()].join('')
    });
  };

  /**
   * Create font elements for the component
   *
   * @return {Element}
   *         The element that was created.
   *
   * @private
   */


  TextTrackSettings.prototype.createElFont_ = function createElFont_() {
    return createEl('div', {
      className: 'vjs-track-settings-font',
      innerHTML: ['<fieldset class="vjs-font-percent vjs-track-setting">', this.createElSelect_('fontPercent', '', 'legend'), '</fieldset>', '<fieldset class="vjs-edge-style vjs-track-setting">', this.createElSelect_('edgeStyle', '', 'legend'), '</fieldset>', '<fieldset class="vjs-font-family vjs-track-setting">', this.createElSelect_('fontFamily', '', 'legend'), '</fieldset>'].join('')
    });
  };

  /**
   * Create controls for the component
   *
   * @return {Element}
   *         The element that was created.
   *
   * @private
   */


  TextTrackSettings.prototype.createElControls_ = function createElControls_() {
    var defaultsDescription = this.localize('restore all settings to the default values');

    return createEl('div', {
      className: 'vjs-track-settings-controls',
      innerHTML: ['<button type="button" class="vjs-default-button" title="' + defaultsDescription + '">', this.localize('Reset'), '<span class="vjs-control-text"> ' + defaultsDescription + '</span>', '</button>', '<button type="button" class="vjs-done-button">' + this.localize('Done') + '</button>'].join('')
    });
  };

  TextTrackSettings.prototype.content = function content() {
    return [this.createElColors_(), this.createElFont_(), this.createElControls_()];
  };

  TextTrackSettings.prototype.label = function label() {
    return this.localize('Caption Settings Dialog');
  };

  TextTrackSettings.prototype.description = function description() {
    return this.localize('Beginning of dialog window. Escape will cancel and close the window.');
  };

  TextTrackSettings.prototype.buildCSSClass = function buildCSSClass() {
    return _ModalDialog.prototype.buildCSSClass.call(this) + ' vjs-text-track-settings';
  };

  /**
   * Gets an object of text track settings (or null).
   *
   * @return {Object}
   *         An object with config values parsed from the DOM or localStorage.
   */


  TextTrackSettings.prototype.getValues = function getValues() {
    var _this3 = this;

    return reduce(selectConfigs, function (accum, config, key) {
      var value = getSelectedOptionValue(_this3.$(config.selector), config.parser);

      if (value !== undefined) {
        accum[key] = value;
      }

      return accum;
    }, {});
  };

  /**
   * Sets text track settings from an object of values.
   *
   * @param {Object} values
   *        An object with config values parsed from the DOM or localStorage.
   */


  TextTrackSettings.prototype.setValues = function setValues(values) {
    var _this4 = this;

    each(selectConfigs, function (config, key) {
      setSelectedOption(_this4.$(config.selector), values[key], config.parser);
    });
  };

  /**
   * Sets all `<select>` elements to their default values.
   */


  TextTrackSettings.prototype.setDefaults = function setDefaults() {
    var _this5 = this;

    each(selectConfigs, function (config) {
      var index = config.hasOwnProperty('default') ? config['default'] : 0;

      _this5.$(config.selector).selectedIndex = index;
    });
  };

  /**
   * Restore texttrack settings from localStorage
   */


  TextTrackSettings.prototype.restoreSettings = function restoreSettings() {
    var values = void 0;

    try {
      values = JSON.parse(window.localStorage.getItem(LOCAL_STORAGE_KEY));
    } catch (err) {
      log.warn(err);
    }

    if (values) {
      this.setValues(values);
    }
  };

  /**
   * Save text track settings to localStorage
   */


  TextTrackSettings.prototype.saveSettings = function saveSettings() {
    if (!this.options_.persistTextTrackSettings) {
      return;
    }

    var values = this.getValues();

    try {
      if (Object.keys(values).length) {
        window.localStorage.setItem(LOCAL_STORAGE_KEY, JSON.stringify(values));
      } else {
        window.localStorage.removeItem(LOCAL_STORAGE_KEY);
      }
    } catch (err) {
      log.warn(err);
    }
  };

  /**
   * Update display of text track settings
   */


  TextTrackSettings.prototype.updateDisplay = function updateDisplay() {
    var ttDisplay = this.player_.getChild('textTrackDisplay');

    if (ttDisplay) {
      ttDisplay.updateDisplay();
    }
  };

  /**
   * conditionally blur the element and refocus the captions button
   *
   * @private
   */


  TextTrackSettings.prototype.conditionalBlur_ = function conditionalBlur_() {
    this.previouslyActiveEl_ = null;
    this.off(document, 'keydown', this.handleKeyDown);

    var cb = this.player_.controlBar;
    var subsCapsBtn = cb && cb.subsCapsButton;
    var ccBtn = cb && cb.captionsButton;

    if (subsCapsBtn) {
      subsCapsBtn.focus();
    } else if (ccBtn) {
      ccBtn.focus();
    }
  };

  return TextTrackSettings;
}(ModalDialog);

Component.registerComponent('TextTrackSettings', TextTrackSettings);

/**
 * @file resize-manager.js
 */
/**
 * A Resize Manager. It is in charge of triggering `playerresize` on the player in the right conditions.
 *
 * It'll either create an iframe and use a debounced resize handler on it or use the new {@link https://wicg.github.io/ResizeObserver/|ResizeObserver}.
 *
 * If the ResizeObserver is available natively, it will be used. A polyfill can be passed in as an option.
 * If a `playerresize` event is not needed, the ResizeManager component can be removed from the player, see the example below.
 * @example <caption>How to disable the resize manager</caption>
 * const player = videojs('#vid', {
 *   resizeManager: false
 * });
 *
 * @see {@link https://wicg.github.io/ResizeObserver/|ResizeObserver specification}
 *
 * @extends Component
 */

var ResizeManager = function (_Component) {
  inherits(ResizeManager, _Component);

  /**
   * Create the ResizeManager.
   *
   * @param {Object} player
   *        The `Player` that this class should be attached to.
   *
   * @param {Object} [options]
   *        The key/value store of ResizeManager options.
   *
   * @param {Object} [options.ResizeObserver]
   *        A polyfill for ResizeObserver can be passed in here.
   *        If this is set to null it will ignore the native ResizeObserver and fall back to the iframe fallback.
   */
  function ResizeManager(player, options) {
    classCallCheck(this, ResizeManager);

    var RESIZE_OBSERVER_AVAILABLE = options.ResizeObserver || window.ResizeObserver;

    // if `null` was passed, we want to disable the ResizeObserver
    if (options.ResizeObserver === null) {
      RESIZE_OBSERVER_AVAILABLE = false;
    }

    // Only create an element when ResizeObserver isn't available
    var options_ = mergeOptions({ createEl: !RESIZE_OBSERVER_AVAILABLE }, options);

    var _this = possibleConstructorReturn(this, _Component.call(this, player, options_));

    _this.ResizeObserver = options.ResizeObserver || window.ResizeObserver;
    _this.loadListener_ = null;
    _this.resizeObserver_ = null;
    _this.debouncedHandler_ = debounce(function () {
      _this.resizeHandler();
    }, 100, false, _this);

    if (RESIZE_OBSERVER_AVAILABLE) {
      _this.resizeObserver_ = new _this.ResizeObserver(_this.debouncedHandler_);
      _this.resizeObserver_.observe(player.el());
    } else {
      _this.loadListener_ = function () {
        if (!_this.el_ || !_this.el_.contentWindow) {
          return;
        }

        on(_this.el_.contentWindow, 'resize', _this.debouncedHandler_);
      };

      _this.one('load', _this.loadListener_);
    }
    return _this;
  }

  ResizeManager.prototype.createEl = function createEl() {
    return _Component.prototype.createEl.call(this, 'iframe', {
      className: 'vjs-resize-manager'
    });
  };

  /**
   * Called when a resize is triggered on the iframe or a resize is observed via the ResizeObserver
   *
   * @fires Player#playerresize
   */


  ResizeManager.prototype.resizeHandler = function resizeHandler() {
    /**
     * Called when the player size has changed
     *
     * @event Player#playerresize
     * @type {EventTarget~Event}
     */
    // make sure player is still around to trigger
    // prevents this from causing an error after dispose
    if (!this.player_ || !this.player_.trigger) {
      return;
    }

    this.player_.trigger('playerresize');
  };

  ResizeManager.prototype.dispose = function dispose() {
    if (this.debouncedHandler_) {
      this.debouncedHandler_.cancel();
    }

    if (this.resizeObserver_) {
      if (this.player_.el()) {
        this.resizeObserver_.unobserve(this.player_.el());
      }
      this.resizeObserver_.disconnect();
    }

    if (this.el_ && this.el_.contentWindow) {
      off(this.el_.contentWindow, 'resize', this.debouncedHandler_);
    }

    if (this.loadListener_) {
      this.off('load', this.loadListener_);
    }

    this.ResizeObserver = null;
    this.resizeObserver = null;
    this.debouncedHandler_ = null;
    this.loadListener_ = null;
  };

  return ResizeManager;
}(Component);

Component.registerComponent('ResizeManager', ResizeManager);

/**
 * This function is used to fire a sourceset when there is something
 * similar to `mediaEl.load()` being called. It will try to find the source via
 * the `src` attribute and then the `<source>` elements. It will then fire `sourceset`
 * with the source that was found or empty string if we cannot know. If it cannot
 * find a source then `sourceset` will not be fired.
 *
 * @param {Html5} tech
 *        The tech object that sourceset was setup on
 *
 * @return {boolean}
 *         returns false if the sourceset was not fired and true otherwise.
 */
var sourcesetLoad = function sourcesetLoad(tech) {
  var el = tech.el();

  // if `el.src` is set, that source will be loaded.
  if (el.hasAttribute('src')) {
    tech.triggerSourceset(el.src);
    return true;
  }

  /**
   * Since there isn't a src property on the media element, source elements will be used for
   * implementing the source selection algorithm. This happens asynchronously and
   * for most cases were there is more than one source we cannot tell what source will
   * be loaded, without re-implementing the source selection algorithm. At this time we are not
   * going to do that. There are three special cases that we do handle here though:
   *
   * 1. If there are no sources, do not fire `sourceset`.
   * 2. If there is only one `<source>` with a `src` property/attribute that is our `src`
   * 3. If there is more than one `<source>` but all of them have the same `src` url.
   *    That will be our src.
   */
  var sources = tech.$$('source');
  var srcUrls = [];
  var src = '';

  // if there are no sources, do not fire sourceset
  if (!sources.length) {
    return false;
  }

  // only count valid/non-duplicate source elements
  for (var i = 0; i < sources.length; i++) {
    var url = sources[i].src;

    if (url && srcUrls.indexOf(url) === -1) {
      srcUrls.push(url);
    }
  }

  // there were no valid sources
  if (!srcUrls.length) {
    return false;
  }

  // there is only one valid source element url
  // use that
  if (srcUrls.length === 1) {
    src = srcUrls[0];
  }

  tech.triggerSourceset(src);
  return true;
};

/**
 * our implementation of an `innerHTML` descriptor for browsers
 * that do not have one.
 */
var innerHTMLDescriptorPolyfill = {};

if (!IS_IE8) {
  innerHTMLDescriptorPolyfill = Object.defineProperty({}, 'innerHTML', {
    get: function get() {
      return this.cloneNode(true).innerHTML;
    },
    set: function set(v) {
      // make a dummy node to use innerHTML on
      var dummy = document.createElement(this.nodeName.toLowerCase());

      // set innerHTML to the value provided
      dummy.innerHTML = v;

      // make a document fragment to hold the nodes from dummy
      var docFrag = document.createDocumentFragment();

      // copy all of the nodes created by the innerHTML on dummy
      // to the document fragment
      while (dummy.childNodes.length) {
        docFrag.appendChild(dummy.childNodes[0]);
      }

      // remove content
      this.innerText = '';

      // now we add all of that html in one by appending the
      // document fragment. This is how innerHTML does it.
      window.Element.prototype.appendChild.call(this, docFrag);

      // then return the result that innerHTML's setter would
      return this.innerHTML;
    }
  });
}
/**
 * Get a property descriptor given a list of priorities and the
 * property to get.
 */
var getDescriptor = function getDescriptor(priority, prop) {
  var descriptor = {};

  for (var i = 0; i < priority.length; i++) {
    descriptor = Object.getOwnPropertyDescriptor(priority[i], prop);

    if (descriptor && descriptor.set && descriptor.get) {
      break;
    }
  }

  descriptor.enumerable = true;
  descriptor.configurable = true;

  return descriptor;
};

var getInnerHTMLDescriptor = function getInnerHTMLDescriptor(tech) {
  return getDescriptor([tech.el(), window.HTMLMediaElement.prototype, window.Element.prototype, innerHTMLDescriptorPolyfill], 'innerHTML');
};

/**
 * Patches browser internal functions so that we can tell syncronously
 * if a `<source>` was appended to the media element. For some reason this
 * causes a `sourceset` if the the media element is ready and has no source.
 * This happens when:
 * - The page has just loaded and the media element does not have a source.
 * - The media element was emptied of all sources, then `load()` was called.
 *
 * It does this by patching the following functions/properties when they are supported:
 *
 * - `append()` - can be used to add a `<source>` element to the media element
 * - `appendChild()` - can be used to add a `<source>` element to the media element
 * - `insertAdjacentHTML()` -  can be used to add a `<source>` element to the media element
 * - `innerHTML` -  can be used to add a `<source>` element to the media element
 *
 * @param {Html5} tech
 *        The tech object that sourceset is being setup on.
 */
var firstSourceWatch = function firstSourceWatch(tech) {
  var el = tech.el();

  // make sure firstSourceWatch isn't setup twice.
  if (el.resetSourceWatch_) {
    return;
  }

  var old = {};
  var innerDescriptor = getInnerHTMLDescriptor(tech);
  var appendWrapper = function appendWrapper(appendFn) {
    return function () {
      for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
        args[_key] = arguments[_key];
      }

      var retval = appendFn.apply(el, args);

      sourcesetLoad(tech);

      return retval;
    };
  };

  ['append', 'appendChild', 'insertAdjacentHTML'].forEach(function (k) {
    if (!el[k]) {
      return;
    }

    // store the old function
    old[k] = el[k];

    // call the old function with a sourceset if a source
    // was loaded
    el[k] = appendWrapper(old[k]);
  });

  Object.defineProperty(el, 'innerHTML', mergeOptions(innerDescriptor, {
    set: appendWrapper(innerDescriptor.set)
  }));

  el.resetSourceWatch_ = function () {
    el.resetSourceWatch_ = null;
    Object.keys(old).forEach(function (k) {
      el[k] = old[k];
    });

    Object.defineProperty(el, 'innerHTML', innerDescriptor);
  };

  // on the first sourceset, we need to revert our changes
  tech.one('sourceset', el.resetSourceWatch_);
};

/**
 * our implementation of a `src` descriptor for browsers
 * that do not have one.
 */

var srcDescriptorPolyfill = {};

if (!IS_IE8) {
  srcDescriptorPolyfill = Object.defineProperty({}, 'src', {
    get: function get() {
      if (this.hasAttribute('src')) {
        return getAbsoluteURL(window.Element.prototype.getAttribute.call(this, 'src'));
      }

      return '';
    },
    set: function set(v) {
      window.Element.prototype.setAttribute.call(this, 'src', v);

      return v;
    }
  });
}

var getSrcDescriptor = function getSrcDescriptor(tech) {
  return getDescriptor([tech.el(), window.HTMLMediaElement.prototype, srcDescriptorPolyfill], 'src');
};

/**
 * setup `sourceset` handling on the `Html5` tech. This function
 * patches the following element properties/functions:
 *
 * - `src` - to determine when `src` is set
 * - `setAttribute()` - to determine when `src` is set
 * - `load()` - this re-triggers the source selection algorithm, and can
 *              cause a sourceset.
 *
 * If there is no source when we are adding `sourceset` support or during a `load()`
 * we also patch the functions listed in `firstSourceWatch`.
 *
 * @param {Html5} tech
 *        The tech to patch
 */
var setupSourceset = function setupSourceset(tech) {
  if (!tech.featuresSourceset) {
    return;
  }

  var el = tech.el();

  // make sure sourceset isn't setup twice.
  if (el.resetSourceset_) {
    return;
  }

  var srcDescriptor = getSrcDescriptor(tech);
  var oldSetAttribute = el.setAttribute;
  var oldLoad = el.load;

  Object.defineProperty(el, 'src', mergeOptions(srcDescriptor, {
    set: function set(v) {
      var retval = srcDescriptor.set.call(el, v);

      // we use the getter here to get the actual value set on src
      tech.triggerSourceset(el.src);

      return retval;
    }
  }));

  el.setAttribute = function (n, v) {
    var retval = oldSetAttribute.call(el, n, v);

    if (/src/i.test(n)) {
      tech.triggerSourceset(el.src);
    }

    return retval;
  };

  el.load = function () {
    var retval = oldLoad.call(el);

    // if load was called, but there was no source to fire
    // sourceset on. We have to watch for a source append
    // as that can trigger a `sourceset` when the media element
    // has no source
    if (!sourcesetLoad(tech)) {
      tech.triggerSourceset('');
      firstSourceWatch(tech);
    }

    return retval;
  };

  if (el.currentSrc) {
    tech.triggerSourceset(el.currentSrc);
  } else if (!sourcesetLoad(tech)) {
    firstSourceWatch(tech);
  }

  el.resetSourceset_ = function () {
    el.resetSourceset_ = null;
    el.load = oldLoad;
    el.setAttribute = oldSetAttribute;
    Object.defineProperty(el, 'src', srcDescriptor);
    if (el.resetSourceWatch_) {
      el.resetSourceWatch_();
    }
  };
};

var _templateObject$2 = taggedTemplateLiteralLoose(['Text Tracks are being loaded from another origin but the crossorigin attribute isn\'t used.\n            This may prevent text tracks from loading.'], ['Text Tracks are being loaded from another origin but the crossorigin attribute isn\'t used.\n            This may prevent text tracks from loading.']);

/**
 * @file html5.js
 */
/**
 * HTML5 Media Controller - Wrapper for HTML5 Media API
 *
 * @mixes Tech~SouceHandlerAdditions
 * @extends Tech
 */

var Html5 = function (_Tech) {
  inherits(Html5, _Tech);

  /**
   * Create an instance of this Tech.
   *
   * @param {Object} [options]
   *        The key/value store of player options.
   *
   * @param {Component~ReadyCallback} ready
   *        Callback function to call when the `HTML5` Tech is ready.
   */
  function Html5(options, ready) {
    classCallCheck(this, Html5);

    var _this = possibleConstructorReturn(this, _Tech.call(this, options, ready));

    var source = options.source;
    var crossoriginTracks = false;

    // Set the source if one is provided
    // 1) Check if the source is new (if not, we want to keep the original so playback isn't interrupted)
    // 2) Check to see if the network state of the tag was failed at init, and if so, reset the source
    // anyway so the error gets fired.
    if (source && (_this.el_.currentSrc !== source.src || options.tag && options.tag.initNetworkState_ === 3)) {
      _this.setSource(source);
    } else {
      _this.handleLateInit_(_this.el_);
    }

    // setup sourceset after late sourceset/init
    if (options.enableSourceset) {
      _this.setupSourcesetHandling_();
    }

    if (_this.el_.hasChildNodes()) {

      var nodes = _this.el_.childNodes;
      var nodesLength = nodes.length;
      var removeNodes = [];

      while (nodesLength--) {
        var node = nodes[nodesLength];
        var nodeName = node.nodeName.toLowerCase();

        if (nodeName === 'track') {
          if (!_this.featuresNativeTextTracks) {
            // Empty video tag tracks so the built-in player doesn't use them also.
            // This may not be fast enough to stop HTML5 browsers from reading the tags
            // so we'll need to turn off any default tracks if we're manually doing
            // captions and subtitles. videoElement.textTracks
            removeNodes.push(node);
          } else {
            // store HTMLTrackElement and TextTrack to remote list
            _this.remoteTextTrackEls().addTrackElement_(node);
            _this.remoteTextTracks().addTrack(node.track);
            _this.textTracks().addTrack(node.track);
            if (!crossoriginTracks && !_this.el_.hasAttribute('crossorigin') && isCrossOrigin(node.src)) {
              crossoriginTracks = true;
            }
          }
        }
      }

      for (var i = 0; i < removeNodes.length; i++) {
        _this.el_.removeChild(removeNodes[i]);
      }
    }

    _this.proxyNativeTracks_();
    if (_this.featuresNativeTextTracks && crossoriginTracks) {
      log.warn(tsml(_templateObject$2));
    }

    // prevent iOS Safari from disabling metadata text tracks during native playback
    _this.restoreMetadataTracksInIOSNativePlayer_();

    // Determine if native controls should be used
    // Our goal should be to get the custom controls on mobile solid everywhere
    // so we can remove this all together. Right now this will block custom
    // controls on touch enabled laptops like the Chrome Pixel
    if ((TOUCH_ENABLED || IS_IPHONE || IS_NATIVE_ANDROID) && options.nativeControlsForTouch === true) {
      _this.setControls(true);
    }

    // on iOS, we want to proxy `webkitbeginfullscreen` and `webkitendfullscreen`
    // into a `fullscreenchange` event
    _this.proxyWebkitFullscreen_();

    _this.triggerReady();
    return _this;
  }

  /**
   * Dispose of `HTML5` media element and remove all tracks.
   */


  Html5.prototype.dispose = function dispose() {
    if (this.el_ && this.el_.resetSourceset_) {
      this.el_.resetSourceset_();
    }
    Html5.disposeMediaElement(this.el_);
    this.options_ = null;

    // tech will handle clearing of the emulated track list
    _Tech.prototype.dispose.call(this);
  };

  /**
   * Modify the media element so that we can detect when
   * the source is changed. Fires `sourceset` just after the source has changed
   */


  Html5.prototype.setupSourcesetHandling_ = function setupSourcesetHandling_() {
    setupSourceset(this);
  };

  /**
   * When a captions track is enabled in the iOS Safari native player, all other
   * tracks are disabled (including metadata tracks), which nulls all of their
   * associated cue points. This will restore metadata tracks to their pre-fullscreen
   * state in those cases so that cue points are not needlessly lost.
   *
   * @private
   */


  Html5.prototype.restoreMetadataTracksInIOSNativePlayer_ = function restoreMetadataTracksInIOSNativePlayer_() {
    var textTracks = this.textTracks();
    var metadataTracksPreFullscreenState = void 0;

    // captures a snapshot of every metadata track's current state
    var takeMetadataTrackSnapshot = function takeMetadataTrackSnapshot() {
      metadataTracksPreFullscreenState = [];

      for (var i = 0; i < textTracks.length; i++) {
        var track = textTracks[i];

        if (track.kind === 'metadata') {
          metadataTracksPreFullscreenState.push({
            track: track,
            storedMode: track.mode
          });
        }
      }
    };

    // snapshot each metadata track's initial state, and update the snapshot
    // each time there is a track 'change' event
    takeMetadataTrackSnapshot();
    textTracks.addEventListener('change', takeMetadataTrackSnapshot);

    this.on('dispose', function () {
      return textTracks.removeEventListener('change', takeMetadataTrackSnapshot);
    });

    var restoreTrackMode = function restoreTrackMode() {
      for (var i = 0; i < metadataTracksPreFullscreenState.length; i++) {
        var storedTrack = metadataTracksPreFullscreenState[i];

        if (storedTrack.track.mode === 'disabled' && storedTrack.track.mode !== storedTrack.storedMode) {
          storedTrack.track.mode = storedTrack.storedMode;
        }
      }
      // we only want this handler to be executed on the first 'change' event
      textTracks.removeEventListener('change', restoreTrackMode);
    };

    // when we enter fullscreen playback, stop updating the snapshot and
    // restore all track modes to their pre-fullscreen state
    this.on('webkitbeginfullscreen', function () {
      textTracks.removeEventListener('change', takeMetadataTrackSnapshot);

      // remove the listener before adding it just in case it wasn't previously removed
      textTracks.removeEventListener('change', restoreTrackMode);
      textTracks.addEventListener('change', restoreTrackMode);
    });

    // start updating the snapshot again after leaving fullscreen
    this.on('webkitendfullscreen', function () {
      // remove the listener before adding it just in case it wasn't previously removed
      textTracks.removeEventListener('change', takeMetadataTrackSnapshot);
      textTracks.addEventListener('change', takeMetadataTrackSnapshot);

      // remove the restoreTrackMode handler in case it wasn't triggered during fullscreen playback
      textTracks.removeEventListener('change', restoreTrackMode);
    });
  };

  /**
   * Proxy all native track list events to our track lists if the browser we are playing
   * in supports that type of track list.
   *
   * @private
   */


  Html5.prototype.proxyNativeTracks_ = function proxyNativeTracks_() {
    var _this2 = this;

    NORMAL.names.forEach(function (name) {
      var props = NORMAL[name];
      var elTracks = _this2.el()[props.getterName];
      var techTracks = _this2[props.getterName]();

      if (!_this2['featuresNative' + props.capitalName + 'Tracks'] || !elTracks || !elTracks.addEventListener) {
        return;
      }
      var listeners = {
        change: function change(e) {
          techTracks.trigger({
            type: 'change',
            target: techTracks,
            currentTarget: techTracks,
            srcElement: techTracks
          });
        },
        addtrack: function addtrack(e) {
          techTracks.addTrack(e.track);
        },
        removetrack: function removetrack(e) {
          techTracks.removeTrack(e.track);
        }
      };
      var removeOldTracks = function removeOldTracks() {
        var removeTracks = [];

        for (var i = 0; i < techTracks.length; i++) {
          var found = false;

          for (var j = 0; j < elTracks.length; j++) {
            if (elTracks[j] === techTracks[i]) {
              found = true;
              break;
            }
          }

          if (!found) {
            removeTracks.push(techTracks[i]);
          }
        }

        while (removeTracks.length) {
          techTracks.removeTrack(removeTracks.shift());
        }
      };

      Object.keys(listeners).forEach(function (eventName) {
        var listener = listeners[eventName];

        elTracks.addEventListener(eventName, listener);
        _this2.on('dispose', function (e) {
          return elTracks.removeEventListener(eventName, listener);
        });
      });

      // Remove (native) tracks that are not used anymore
      _this2.on('loadstart', removeOldTracks);
      _this2.on('dispose', function (e) {
        return _this2.off('loadstart', removeOldTracks);
      });
    });
  };

  /**
   * Create the `Html5` Tech's DOM element.
   *
   * @return {Element}
   *         The element that gets created.
   */


  Html5.prototype.createEl = function createEl$$1() {
    var el = this.options_.tag;

    // Check if this browser supports moving the element into the box.
    // On the iPhone video will break if you move the element,
    // So we have to create a brand new element.
    // If we ingested the player div, we do not need to move the media element.
    if (!el || !(this.options_.playerElIngest || this.movingMediaElementInDOM)) {

      // If the original tag is still there, clone and remove it.
      if (el) {
        var clone = el.cloneNode(true);

        if (el.parentNode) {
          el.parentNode.insertBefore(clone, el);
        }
        Html5.disposeMediaElement(el);
        el = clone;
      } else {
        el = document.createElement('video');

        // determine if native controls should be used
        var tagAttributes = this.options_.tag && getAttributes(this.options_.tag);
        var attributes = mergeOptions({}, tagAttributes);

        if (!TOUCH_ENABLED || this.options_.nativeControlsForTouch !== true) {
          delete attributes.controls;
        }

        setAttributes(el, assign(attributes, {
          id: this.options_.techId,
          'class': 'vjs-tech'
        }));
      }

      el.playerId = this.options_.playerId;
    }

    if (typeof this.options_.preload !== 'undefined') {
      setAttribute(el, 'preload', this.options_.preload);
    }

    // Update specific tag settings, in case they were overridden
    // `autoplay` has to be *last* so that `muted` and `playsinline` are present
    // when iOS/Safari or other browsers attempt to autoplay.
    var settingsAttrs = ['loop', 'muted', 'playsinline', 'autoplay'];

    for (var i = 0; i < settingsAttrs.length; i++) {
      var attr = settingsAttrs[i];
      var value = this.options_[attr];

      if (typeof value !== 'undefined') {
        if (value) {
          setAttribute(el, attr, attr);
        } else {
          removeAttribute(el, attr);
        }
        el[attr] = value;
      }
    }

    return el;
  };

  /**
   * This will be triggered if the loadstart event has already fired, before videojs was
   * ready. Two known examples of when this can happen are:
   * 1. If we're loading the playback object after it has started loading
   * 2. The media is already playing the (often with autoplay on) then
   *
   * This function will fire another loadstart so that videojs can catchup.
   *
   * @fires Tech#loadstart
   *
   * @return {undefined}
   *         returns nothing.
   */


  Html5.prototype.handleLateInit_ = function handleLateInit_(el) {
    if (el.networkState === 0 || el.networkState === 3) {
      // The video element hasn't started loading the source yet
      // or didn't find a source
      return;
    }

    if (el.readyState === 0) {
      // NetworkState is set synchronously BUT loadstart is fired at the
      // end of the current stack, usually before setInterval(fn, 0).
      // So at this point we know loadstart may have already fired or is
      // about to fire, and either way the player hasn't seen it yet.
      // We don't want to fire loadstart prematurely here and cause a
      // double loadstart so we'll wait and see if it happens between now
      // and the next loop, and fire it if not.
      // HOWEVER, we also want to make sure it fires before loadedmetadata
      // which could also happen between now and the next loop, so we'll
      // watch for that also.
      var loadstartFired = false;
      var setLoadstartFired = function setLoadstartFired() {
        loadstartFired = true;
      };

      this.on('loadstart', setLoadstartFired);

      var triggerLoadstart = function triggerLoadstart() {
        // We did miss the original loadstart. Make sure the player
        // sees loadstart before loadedmetadata
        if (!loadstartFired) {
          this.trigger('loadstart');
        }
      };

      this.on('loadedmetadata', triggerLoadstart);

      this.ready(function () {
        this.off('loadstart', setLoadstartFired);
        this.off('loadedmetadata', triggerLoadstart);

        if (!loadstartFired) {
          // We did miss the original native loadstart. Fire it now.
          this.trigger('loadstart');
        }
      });

      return;
    }

    // From here on we know that loadstart already fired and we missed it.
    // The other readyState events aren't as much of a problem if we double
    // them, so not going to go to as much trouble as loadstart to prevent
    // that unless we find reason to.
    var eventsToTrigger = ['loadstart'];

    // loadedmetadata: newly equal to HAVE_METADATA (1) or greater
    eventsToTrigger.push('loadedmetadata');

    // loadeddata: newly increased to HAVE_CURRENT_DATA (2) or greater
    if (el.readyState >= 2) {
      eventsToTrigger.push('loadeddata');
    }

    // canplay: newly increased to HAVE_FUTURE_DATA (3) or greater
    if (el.readyState >= 3) {
      eventsToTrigger.push('canplay');
    }

    // canplaythrough: newly equal to HAVE_ENOUGH_DATA (4)
    if (el.readyState >= 4) {
      eventsToTrigger.push('canplaythrough');
    }

    // We still need to give the player time to add event listeners
    this.ready(function () {
      eventsToTrigger.forEach(function (type) {
        this.trigger(type);
      }, this);
    });
  };

  /**
   * Set current time for the `HTML5` tech.
   *
   * @param {number} seconds
   *        Set the current time of the media to this.
   */


  Html5.prototype.setCurrentTime = function setCurrentTime(seconds) {
    try {
      this.el_.currentTime = seconds;
    } catch (e) {
      log(e, 'Video is not ready. (Video.js)');
      // this.warning(VideoJS.warnings.videoNotReady);
    }
  };

  /**
   * Get the current duration of the HTML5 media element.
   *
   * @return {number}
   *         The duration of the media or 0 if there is no duration.
   */


  Html5.prototype.duration = function duration() {
    var _this3 = this;

    // Android Chrome will report duration as Infinity for VOD HLS until after
    // playback has started, which triggers the live display erroneously.
    // Return NaN if playback has not started and trigger a durationupdate once
    // the duration can be reliably known.
    if (this.el_.duration === Infinity && IS_ANDROID && IS_CHROME && this.el_.currentTime === 0) {
      // Wait for the first `timeupdate` with currentTime > 0 - there may be
      // several with 0
      var checkProgress = function checkProgress() {
        if (_this3.el_.currentTime > 0) {
          // Trigger durationchange for genuinely live video
          if (_this3.el_.duration === Infinity) {
            _this3.trigger('durationchange');
          }
          _this3.off('timeupdate', checkProgress);
        }
      };

      this.on('timeupdate', checkProgress);
      return NaN;
    }
    return this.el_.duration || NaN;
  };

  /**
   * Get the current width of the HTML5 media element.
   *
   * @return {number}
   *         The width of the HTML5 media element.
   */


  Html5.prototype.width = function width() {
    return this.el_.offsetWidth;
  };

  /**
   * Get the current height of the HTML5 media element.
   *
   * @return {number}
   *         The heigth of the HTML5 media element.
   */


  Html5.prototype.height = function height() {
    return this.el_.offsetHeight;
  };

  /**
   * Proxy iOS `webkitbeginfullscreen` and `webkitendfullscreen` into
   * `fullscreenchange` event.
   *
   * @private
   * @fires fullscreenchange
   * @listens webkitendfullscreen
   * @listens webkitbeginfullscreen
   * @listens webkitbeginfullscreen
   */


  Html5.prototype.proxyWebkitFullscreen_ = function proxyWebkitFullscreen_() {
    var _this4 = this;

    if (!('webkitDisplayingFullscreen' in this.el_)) {
      return;
    }

    var endFn = function endFn() {
      this.trigger('fullscreenchange', { isFullscreen: false });
    };

    var beginFn = function beginFn() {
      if ('webkitPresentationMode' in this.el_ && this.el_.webkitPresentationMode !== 'picture-in-picture') {
        this.one('webkitendfullscreen', endFn);

        this.trigger('fullscreenchange', { isFullscreen: true });
      }
    };

    this.on('webkitbeginfullscreen', beginFn);
    this.on('dispose', function () {
      _this4.off('webkitbeginfullscreen', beginFn);
      _this4.off('webkitendfullscreen', endFn);
    });
  };

  /**
   * Check if fullscreen is supported on the current playback device.
   *
   * @return {boolean}
   *         - True if fullscreen is supported.
   *         - False if fullscreen is not supported.
   */


  Html5.prototype.supportsFullScreen = function supportsFullScreen() {
    if (typeof this.el_.webkitEnterFullScreen === 'function') {
      var userAgent = window.navigator && window.navigator.userAgent || '';

      // Seems to be broken in Chromium/Chrome && Safari in Leopard
      if (/Android/.test(userAgent) || !/Chrome|Mac OS X 10.5/.test(userAgent)) {
        return true;
      }
    }
    return false;
  };

  /**
   * Request that the `HTML5` Tech enter fullscreen.
   */


  Html5.prototype.enterFullScreen = function enterFullScreen() {
    var video = this.el_;

    if (video.paused && video.networkState <= video.HAVE_METADATA) {
      // attempt to prime the video element for programmatic access
      // this isn't necessary on the desktop but shouldn't hurt
      this.el_.play();

      // playing and pausing synchronously during the transition to fullscreen
      // can get iOS ~6.1 devices into a play/pause loop
      this.setTimeout(function () {
        video.pause();
        video.webkitEnterFullScreen();
      }, 0);
    } else {
      video.webkitEnterFullScreen();
    }
  };

  /**
   * Request that the `HTML5` Tech exit fullscreen.
   */


  Html5.prototype.exitFullScreen = function exitFullScreen() {
    this.el_.webkitExitFullScreen();
  };

  /**
   * A getter/setter for the `Html5` Tech's source object.
   * > Note: Please use {@link Html5#setSource}
   *
   * @param {Tech~SourceObject} [src]
   *        The source object you want to set on the `HTML5` techs element.
   *
   * @return {Tech~SourceObject|undefined}
   *         - The current source object when a source is not passed in.
   *         - undefined when setting
   *
   * @deprecated Since version 5.
   */


  Html5.prototype.src = function src(_src) {
    if (_src === undefined) {
      return this.el_.src;
    }

    // Setting src through `src` instead of `setSrc` will be deprecated
    this.setSrc(_src);
  };

  /**
   * Reset the tech by removing all sources and then calling
   * {@link Html5.resetMediaElement}.
   */


  Html5.prototype.reset = function reset() {
    Html5.resetMediaElement(this.el_);
  };

  /**
   * Get the current source on the `HTML5` Tech. Falls back to returning the source from
   * the HTML5 media element.
   *
   * @return {Tech~SourceObject}
   *         The current source object from the HTML5 tech. With a fallback to the
   *         elements source.
   */


  Html5.prototype.currentSrc = function currentSrc() {
    if (this.currentSource_) {
      return this.currentSource_.src;
    }
    return this.el_.currentSrc;
  };

  /**
   * Set controls attribute for the HTML5 media Element.
   *
   * @param {string} val
   *        Value to set the controls attribute to
   */


  Html5.prototype.setControls = function setControls(val) {
    this.el_.controls = !!val;
  };

  /**
   * Create and returns a remote {@link TextTrack} object.
   *
   * @param {string} kind
   *        `TextTrack` kind (subtitles, captions, descriptions, chapters, or metadata)
   *
   * @param {string} [label]
   *        Label to identify the text track
   *
   * @param {string} [language]
   *        Two letter language abbreviation
   *
   * @return {TextTrack}
   *         The TextTrack that gets created.
   */


  Html5.prototype.addTextTrack = function addTextTrack(kind, label, language) {
    if (!this.featuresNativeTextTracks) {
      return _Tech.prototype.addTextTrack.call(this, kind, label, language);
    }

    return this.el_.addTextTrack(kind, label, language);
  };

  /**
   * Creates either native TextTrack or an emulated TextTrack depending
   * on the value of `featuresNativeTextTracks`
   *
   * @param {Object} options
   *        The object should contain the options to intialize the TextTrack with.
   *
   * @param {string} [options.kind]
   *        `TextTrack` kind (subtitles, captions, descriptions, chapters, or metadata).
   *
   * @param {string} [options.label].
   *        Label to identify the text track
   *
   * @param {string} [options.language]
   *        Two letter language abbreviation.
   *
   * @param {boolean} [options.default]
   *        Default this track to on.
   *
   * @param {string} [options.id]
   *        The internal id to assign this track.
   *
   * @param {string} [options.src]
   *        A source url for the track.
   *
   * @return {HTMLTrackElement}
   *         The track element that gets created.
   */


  Html5.prototype.createRemoteTextTrack = function createRemoteTextTrack(options) {
    if (!this.featuresNativeTextTracks) {
      return _Tech.prototype.createRemoteTextTrack.call(this, options);
    }
    var htmlTrackElement = document.createElement('track');

    if (options.kind) {
      htmlTrackElement.kind = options.kind;
    }
    if (options.label) {
      htmlTrackElement.label = options.label;
    }
    if (options.language || options.srclang) {
      htmlTrackElement.srclang = options.language || options.srclang;
    }
    if (options['default']) {
      htmlTrackElement['default'] = options['default'];
    }
    if (options.id) {
      htmlTrackElement.id = options.id;
    }
    if (options.src) {
      htmlTrackElement.src = options.src;
    }

    return htmlTrackElement;
  };

  /**
   * Creates a remote text track object and returns an html track element.
   *
   * @param {Object} options The object should contain values for
   * kind, language, label, and src (location of the WebVTT file)
   * @param {Boolean} [manualCleanup=true] if set to false, the TextTrack will be
   * automatically removed from the video element whenever the source changes
   * @return {HTMLTrackElement} An Html Track Element.
   * This can be an emulated {@link HTMLTrackElement} or a native one.
   * @deprecated The default value of the "manualCleanup" parameter will default
   * to "false" in upcoming versions of Video.js
   */


  Html5.prototype.addRemoteTextTrack = function addRemoteTextTrack(options, manualCleanup) {
    var htmlTrackElement = _Tech.prototype.addRemoteTextTrack.call(this, options, manualCleanup);

    if (this.featuresNativeTextTracks) {
      this.el().appendChild(htmlTrackElement);
    }

    return htmlTrackElement;
  };

  /**
   * Remove remote `TextTrack` from `TextTrackList` object
   *
   * @param {TextTrack} track
   *        `TextTrack` object to remove
   */


  Html5.prototype.removeRemoteTextTrack = function removeRemoteTextTrack(track) {
    _Tech.prototype.removeRemoteTextTrack.call(this, track);

    if (this.featuresNativeTextTracks) {
      var tracks = this.$$('track');

      var i = tracks.length;

      while (i--) {
        if (track === tracks[i] || track === tracks[i].track) {
          this.el().removeChild(tracks[i]);
        }
      }
    }
  };

  /**
   * Gets available media playback quality metrics as specified by the W3C's Media
   * Playback Quality API.
   *
   * @see [Spec]{@link https://wicg.github.io/media-playback-quality}
   *
   * @return {Object}
   *         An object with supported media playback quality metrics
   */


  Html5.prototype.getVideoPlaybackQuality = function getVideoPlaybackQuality() {
    if (typeof this.el().getVideoPlaybackQuality === 'function') {
      return this.el().getVideoPlaybackQuality();
    }

    var videoPlaybackQuality = {};

    if (typeof this.el().webkitDroppedFrameCount !== 'undefined' && typeof this.el().webkitDecodedFrameCount !== 'undefined') {
      videoPlaybackQuality.droppedVideoFrames = this.el().webkitDroppedFrameCount;
      videoPlaybackQuality.totalVideoFrames = this.el().webkitDecodedFrameCount;
    }

    if (window.performance && typeof window.performance.now === 'function') {
      videoPlaybackQuality.creationTime = window.performance.now();
    } else if (window.performance && window.performance.timing && typeof window.performance.timing.navigationStart === 'number') {
      videoPlaybackQuality.creationTime = window.Date.now() - window.performance.timing.navigationStart;
    }

    return videoPlaybackQuality;
  };

  return Html5;
}(Tech);

/* HTML5 Support Testing ---------------------------------------------------- */

if (isReal()) {

  /**
   * Element for testing browser HTML5 media capabilities
   *
   * @type {Element}
   * @constant
   * @private
   */
  Html5.TEST_VID = document.createElement('video');
  var track = document.createElement('track');

  track.kind = 'captions';
  track.srclang = 'en';
  track.label = 'English';
  Html5.TEST_VID.appendChild(track);
}

/**
 * Check if HTML5 media is supported by this browser/device.
 *
 * @return {boolean}
 *         - True if HTML5 media is supported.
 *         - False if HTML5 media is not supported.
 */
Html5.isSupported = function () {
  // IE9 with no Media Player is a LIAR! (#984)
  try {
    Html5.TEST_VID.volume = 0.5;
  } catch (e) {
    return false;
  }

  return !!(Html5.TEST_VID && Html5.TEST_VID.canPlayType);
};

/**
 * Check if the tech can support the given type
 *
 * @param {string} type
 *        The mimetype to check
 * @return {string} 'probably', 'maybe', or '' (empty string)
 */
Html5.canPlayType = function (type) {
  return Html5.TEST_VID.canPlayType(type);
};

/**
 * Check if the tech can support the given source
 * @param {Object} srcObj
 *        The source object
 * @param {Object} options
 *        The options passed to the tech
 * @return {string} 'probably', 'maybe', or '' (empty string)
 */
Html5.canPlaySource = function (srcObj, options) {
  return Html5.canPlayType(srcObj.type);
};

/**
 * Check if the volume can be changed in this browser/device.
 * Volume cannot be changed in a lot of mobile devices.
 * Specifically, it can't be changed from 1 on iOS.
 *
 * @return {boolean}
 *         - True if volume can be controlled
 *         - False otherwise
 */
Html5.canControlVolume = function () {
  // IE will error if Windows Media Player not installed #3315
  try {
    var volume = Html5.TEST_VID.volume;

    Html5.TEST_VID.volume = volume / 2 + 0.1;
    return volume !== Html5.TEST_VID.volume;
  } catch (e) {
    return false;
  }
};

/**
 * Check if the volume can be muted in this browser/device.
 * Some devices, e.g. iOS, don't allow changing volume
 * but permits muting/unmuting.
 *
 * @return {bolean}
 *      - True if volume can be muted
 *      - False otherwise
 */
Html5.canMuteVolume = function () {
  try {
    var muted = Html5.TEST_VID.muted;

    // in some versions of iOS muted property doesn't always
    // work, so we want to set both property and attribute
    Html5.TEST_VID.muted = !muted;
    if (Html5.TEST_VID.muted) {
      setAttribute(Html5.TEST_VID, 'muted', 'muted');
    } else {
      removeAttribute(Html5.TEST_VID, 'muted', 'muted');
    }
    return muted !== Html5.TEST_VID.muted;
  } catch (e) {
    return false;
  }
};

/**
 * Check if the playback rate can be changed in this browser/device.
 *
 * @return {boolean}
 *         - True if playback rate can be controlled
 *         - False otherwise
 */
Html5.canControlPlaybackRate = function () {
  // Playback rate API is implemented in Android Chrome, but doesn't do anything
  // https://github.com/videojs/video.js/issues/3180
  if (IS_ANDROID && IS_CHROME && CHROME_VERSION < 58) {
    return false;
  }
  // IE will error if Windows Media Player not installed #3315
  try {
    var playbackRate = Html5.TEST_VID.playbackRate;

    Html5.TEST_VID.playbackRate = playbackRate / 2 + 0.1;
    return playbackRate !== Html5.TEST_VID.playbackRate;
  } catch (e) {
    return false;
  }
};

/**
 * Check if we can override a video/audio elements attributes, with
 * Object.defineProperty.
 *
 * @return {boolean}
 *         - True if builtin attributes can be overriden
 *         - False otherwise
 */
Html5.canOverrideAttributes = function () {
  if (IS_IE8) {
    return false;
  }
  // if we cannot overwrite the src/innerHTML property, there is no support
  // iOS 7 safari for instance cannot do this.
  try {
    var noop = function noop() {};

    Object.defineProperty(document.createElement('video'), 'src', { get: noop, set: noop });
    Object.defineProperty(document.createElement('audio'), 'src', { get: noop, set: noop });
    Object.defineProperty(document.createElement('video'), 'innerHTML', { get: noop, set: noop });
    Object.defineProperty(document.createElement('audio'), 'innerHTML', { get: noop, set: noop });
  } catch (e) {
    return false;
  }

  return true;
};

/**
 * Check to see if native `TextTrack`s are supported by this browser/device.
 *
 * @return {boolean}
 *         - True if native `TextTrack`s are supported.
 *         - False otherwise
 */
Html5.supportsNativeTextTracks = function () {
  return IS_ANY_SAFARI || IS_IOS && IS_CHROME;
};

/**
 * Check to see if native `VideoTrack`s are supported by this browser/device
 *
 * @return {boolean}
 *        - True if native `VideoTrack`s are supported.
 *        - False otherwise
 */
Html5.supportsNativeVideoTracks = function () {
  return !!(Html5.TEST_VID && Html5.TEST_VID.videoTracks);
};

/**
 * Check to see if native `AudioTrack`s are supported by this browser/device
 *
 * @return {boolean}
 *        - True if native `AudioTrack`s are supported.
 *        - False otherwise
 */
Html5.supportsNativeAudioTracks = function () {
  return !!(Html5.TEST_VID && Html5.TEST_VID.audioTracks);
};

/**
 * An array of events available on the Html5 tech.
 *
 * @private
 * @type {Array}
 */
Html5.Events = ['loadstart', 'suspend', 'abort', 'error', 'emptied', 'stalled', 'loadedmetadata', 'loadeddata', 'canplay', 'canplaythrough', 'playing', 'waiting', 'seeking', 'seeked', 'ended', 'durationchange', 'timeupdate', 'progress', 'play', 'pause', 'ratechange', 'resize', 'volumechange'];

/**
 * Boolean indicating whether the `Tech` supports volume control.
 *
 * @type {boolean}
 * @default {@link Html5.canControlVolume}
 */
Html5.prototype.featuresVolumeControl = Html5.canControlVolume();

/**
 * Boolean indicating whether the `Tech` supports muting volume.
 *
 * @type {bolean}
 * @default {@link Html5.canMuteVolume}
 */
Html5.prototype.featuresMuteControl = Html5.canMuteVolume();

/**
 * Boolean indicating whether the `Tech` supports changing the speed at which the media
 * plays. Examples:
 *   - Set player to play 2x (twice) as fast
 *   - Set player to play 0.5x (half) as fast
 *
 * @type {boolean}
 * @default {@link Html5.canControlPlaybackRate}
 */
Html5.prototype.featuresPlaybackRate = Html5.canControlPlaybackRate();

/**
 * Boolean indicating wether the `Tech` supports the `sourceset` event.
 *
 * @type {boolean}
 * @default
 */
Html5.prototype.featuresSourceset = Html5.canOverrideAttributes();

/**
 * Boolean indicating whether the `HTML5` tech currently supports the media element
 * moving in the DOM. iOS breaks if you move the media element, so this is set this to
 * false there. Everywhere else this should be true.
 *
 * @type {boolean}
 * @default
 */
Html5.prototype.movingMediaElementInDOM = !IS_IOS;

// TODO: Previous comment: No longer appears to be used. Can probably be removed.
//       Is this true?
/**
 * Boolean indicating whether the `HTML5` tech currently supports automatic media resize
 * when going into fullscreen.
 *
 * @type {boolean}
 * @default
 */
Html5.prototype.featuresFullscreenResize = true;

/**
 * Boolean indicating whether the `HTML5` tech currently supports the progress event.
 * If this is false, manual `progress` events will be triggred instead.
 *
 * @type {boolean}
 * @default
 */
Html5.prototype.featuresProgressEvents = true;

/**
 * Boolean indicating whether the `HTML5` tech currently supports the timeupdate event.
 * If this is false, manual `timeupdate` events will be triggred instead.
 *
 * @default
 */
Html5.prototype.featuresTimeupdateEvents = true;

/**
 * Boolean indicating whether the `HTML5` tech currently supports native `TextTrack`s.
 *
 * @type {boolean}
 * @default {@link Html5.supportsNativeTextTracks}
 */
Html5.prototype.featuresNativeTextTracks = Html5.supportsNativeTextTracks();

/**
 * Boolean indicating whether the `HTML5` tech currently supports native `VideoTrack`s.
 *
 * @type {boolean}
 * @default {@link Html5.supportsNativeVideoTracks}
 */
Html5.prototype.featuresNativeVideoTracks = Html5.supportsNativeVideoTracks();

/**
 * Boolean indicating whether the `HTML5` tech currently supports native `AudioTrack`s.
 *
 * @type {boolean}
 * @default {@link Html5.supportsNativeAudioTracks}
 */
Html5.prototype.featuresNativeAudioTracks = Html5.supportsNativeAudioTracks();

// HTML5 Feature detection and Device Fixes --------------------------------- //
var canPlayType = Html5.TEST_VID && Html5.TEST_VID.constructor.prototype.canPlayType;
var mpegurlRE = /^application\/(?:x-|vnd\.apple\.)mpegurl/i;
var mp4RE = /^video\/mp4/i;

Html5.patchCanPlayType = function () {

  // Android 4.0 and above can play HLS to some extent but it reports being unable to do so
  // Firefox and Chrome report correctly
  if (ANDROID_VERSION >= 4.0 && !IS_FIREFOX && !IS_CHROME) {
    Html5.TEST_VID.constructor.prototype.canPlayType = function (type) {
      if (type && mpegurlRE.test(type)) {
        return 'maybe';
      }
      return canPlayType.call(this, type);
    };

    // Override Android 2.2 and less canPlayType method which is broken
  } else if (IS_OLD_ANDROID) {
    Html5.TEST_VID.constructor.prototype.canPlayType = function (type) {
      if (type && mp4RE.test(type)) {
        return 'maybe';
      }
      return canPlayType.call(this, type);
    };
  }
};

Html5.unpatchCanPlayType = function () {
  var r = Html5.TEST_VID.constructor.prototype.canPlayType;

  Html5.TEST_VID.constructor.prototype.canPlayType = canPlayType;
  return r;
};

// by default, patch the media element
Html5.patchCanPlayType();

Html5.disposeMediaElement = function (el) {
  if (!el) {
    return;
  }

  if (el.parentNode) {
    el.parentNode.removeChild(el);
  }

  // remove any child track or source nodes to prevent their loading
  while (el.hasChildNodes()) {
    el.removeChild(el.firstChild);
  }

  // remove any src reference. not setting `src=''` because that causes a warning
  // in firefox
  el.removeAttribute('src');

  // force the media element to update its loading state by calling load()
  // however IE on Windows 7N has a bug that throws an error so need a try/catch (#793)
  if (typeof el.load === 'function') {
    // wrapping in an iife so it's not deoptimized (#1060#discussion_r10324473)
    (function () {
      try {
        el.load();
      } catch (e) {
        // not supported
      }
    })();
  }
};

Html5.resetMediaElement = function (el) {
  if (!el) {
    return;
  }

  var sources = el.querySelectorAll('source');
  var i = sources.length;

  while (i--) {
    el.removeChild(sources[i]);
  }

  // remove any src reference.
  // not setting `src=''` because that throws an error
  el.removeAttribute('src');

  if (typeof el.load === 'function') {
    // wrapping in an iife so it's not deoptimized (#1060#discussion_r10324473)
    (function () {
      try {
        el.load();
      } catch (e) {
        // satisfy linter
      }
    })();
  }
};

/* Native HTML5 element property wrapping ----------------------------------- */
// Wrap native boolean attributes with getters that check both property and attribute
// The list is as followed:
// muted, defaultMuted, autoplay, controls, loop, playsinline
[
/**
 * Get the value of `muted` from the media element. `muted` indicates
 * that the volume for the media should be set to silent. This does not actually change
 * the `volume` attribute.
 *
 * @method Html5#muted
 * @return {boolean}
 *         - True if the value of `volume` should be ignored and the audio set to silent.
 *         - False if the value of `volume` should be used.
 *
 * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-muted}
 */
'muted',

/**
 * Get the value of `defaultMuted` from the media element. `defaultMuted` indicates
 * whether the media should start muted or not. Only changes the default state of the
 * media. `muted` and `defaultMuted` can have different values. {@link Html5#muted} indicates the
 * current state.
 *
 * @method Html5#defaultMuted
 * @return {boolean}
 *         - The value of `defaultMuted` from the media element.
 *         - True indicates that the media should start muted.
 *         - False indicates that the media should not start muted
 *
 * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-defaultmuted}
 */
'defaultMuted',

/**
 * Get the value of `autoplay` from the media element. `autoplay` indicates
 * that the media should start to play as soon as the page is ready.
 *
 * @method Html5#autoplay
 * @return {boolean}
 *         - The value of `autoplay` from the media element.
 *         - True indicates that the media should start as soon as the page loads.
 *         - False indicates that the media should not start as soon as the page loads.
 *
 * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-autoplay}
 */
'autoplay',

/**
 * Get the value of `controls` from the media element. `controls` indicates
 * whether the native media controls should be shown or hidden.
 *
 * @method Html5#controls
 * @return {boolean}
 *         - The value of `controls` from the media element.
 *         - True indicates that native controls should be showing.
 *         - False indicates that native controls should be hidden.
 *
 * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-controls}
 */
'controls',

/**
 * Get the value of `loop` from the media element. `loop` indicates
 * that the media should return to the start of the media and continue playing once
 * it reaches the end.
 *
 * @method Html5#loop
 * @return {boolean}
 *         - The value of `loop` from the media element.
 *         - True indicates that playback should seek back to start once
 *           the end of a media is reached.
 *         - False indicates that playback should not loop back to the start when the
 *           end of the media is reached.
 *
 * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-loop}
 */
'loop',

/**
 * Get the value of `playsinline` from the media element. `playsinline` indicates
 * to the browser that non-fullscreen playback is preferred when fullscreen
 * playback is the native default, such as in iOS Safari.
 *
 * @method Html5#playsinline
 * @return {boolean}
 *         - The value of `playsinline` from the media element.
 *         - True indicates that the media should play inline.
 *         - False indicates that the media should not play inline.
 *
 * @see [Spec]{@link https://html.spec.whatwg.org/#attr-video-playsinline}
 */
'playsinline'].forEach(function (prop) {
  Html5.prototype[prop] = function () {
    return this.el_[prop] || this.el_.hasAttribute(prop);
  };
});

// Wrap native boolean attributes with setters that set both property and attribute
// The list is as followed:
// setMuted, setDefaultMuted, setAutoplay, setLoop, setPlaysinline
// setControls is special-cased above
[
/**
 * Set the value of `muted` on the media element. `muted` indicates that the current
 * audio level should be silent.
 *
 * @method Html5#setMuted
 * @param {boolean} muted
 *        - True if the audio should be set to silent
 *        - False otherwise
 *
 * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-muted}
 */
'muted',

/**
 * Set the value of `defaultMuted` on the media element. `defaultMuted` indicates that the current
 * audio level should be silent, but will only effect the muted level on intial playback..
 *
 * @method Html5.prototype.setDefaultMuted
 * @param {boolean} defaultMuted
 *        - True if the audio should be set to silent
 *        - False otherwise
 *
 * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-defaultmuted}
 */
'defaultMuted',

/**
 * Set the value of `autoplay` on the media element. `autoplay` indicates
 * that the media should start to play as soon as the page is ready.
 *
 * @method Html5#setAutoplay
 * @param {boolean} autoplay
 *         - True indicates that the media should start as soon as the page loads.
 *         - False indicates that the media should not start as soon as the page loads.
 *
 * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-autoplay}
 */
'autoplay',

/**
 * Set the value of `loop` on the media element. `loop` indicates
 * that the media should return to the start of the media and continue playing once
 * it reaches the end.
 *
 * @method Html5#setLoop
 * @param {boolean} loop
 *         - True indicates that playback should seek back to start once
 *           the end of a media is reached.
 *         - False indicates that playback should not loop back to the start when the
 *           end of the media is reached.
 *
 * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-loop}
 */
'loop',

/**
 * Set the value of `playsinline` from the media element. `playsinline` indicates
 * to the browser that non-fullscreen playback is preferred when fullscreen
 * playback is the native default, such as in iOS Safari.
 *
 * @method Html5#setPlaysinline
 * @param {boolean} playsinline
 *         - True indicates that the media should play inline.
 *         - False indicates that the media should not play inline.
 *
 * @see [Spec]{@link https://html.spec.whatwg.org/#attr-video-playsinline}
 */
'playsinline'].forEach(function (prop) {
  Html5.prototype['set' + toTitleCase(prop)] = function (v) {
    this.el_[prop] = v;

    if (v) {
      this.el_.setAttribute(prop, prop);
    } else {
      this.el_.removeAttribute(prop);
    }
  };
});

// Wrap native properties with a getter
// The list is as followed
// paused, currentTime, buffered, volume, poster, preload, error, seeking
// seekable, ended, playbackRate, defaultPlaybackRate, played, networkState
// readyState, videoWidth, videoHeight
[
/**
 * Get the value of `paused` from the media element. `paused` indicates whether the media element
 * is currently paused or not.
 *
 * @method Html5#paused
 * @return {boolean}
 *         The value of `paused` from the media element.
 *
 * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-paused}
 */
'paused',

/**
 * Get the value of `currentTime` from the media element. `currentTime` indicates
 * the current second that the media is at in playback.
 *
 * @method Html5#currentTime
 * @return {number}
 *         The value of `currentTime` from the media element.
 *
 * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-currenttime}
 */
'currentTime',

/**
 * Get the value of `buffered` from the media element. `buffered` is a `TimeRange`
 * object that represents the parts of the media that are already downloaded and
 * available for playback.
 *
 * @method Html5#buffered
 * @return {TimeRange}
 *         The value of `buffered` from the media element.
 *
 * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-buffered}
 */
'buffered',

/**
 * Get the value of `volume` from the media element. `volume` indicates
 * the current playback volume of audio for a media. `volume` will be a value from 0
 * (silent) to 1 (loudest and default).
 *
 * @method Html5#volume
 * @return {number}
 *         The value of `volume` from the media element. Value will be between 0-1.
 *
 * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-a-volume}
 */
'volume',

/**
 * Get the value of `poster` from the media element. `poster` indicates
 * that the url of an image file that can/will be shown when no media data is available.
 *
 * @method Html5#poster
 * @return {string}
 *         The value of `poster` from the media element. Value will be a url to an
 *         image.
 *
 * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-video-poster}
 */
'poster',

/**
 * Get the value of `preload` from the media element. `preload` indicates
 * what should download before the media is interacted with. It can have the following
 * values:
 * - none: nothing should be downloaded
 * - metadata: poster and the first few frames of the media may be downloaded to get
 *   media dimensions and other metadata
 * - auto: allow the media and metadata for the media to be downloaded before
 *    interaction
 *
 * @method Html5#preload
 * @return {string}
 *         The value of `preload` from the media element. Will be 'none', 'metadata',
 *         or 'auto'.
 *
 * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-preload}
 */
'preload',

/**
 * Get the value of the `error` from the media element. `error` indicates any
 * MediaError that may have occured during playback. If error returns null there is no
 * current error.
 *
 * @method Html5#error
 * @return {MediaError|null}
 *         The value of `error` from the media element. Will be `MediaError` if there
 *         is a current error and null otherwise.
 *
 * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-error}
 */
'error',

/**
 * Get the value of `seeking` from the media element. `seeking` indicates whether the
 * media is currently seeking to a new position or not.
 *
 * @method Html5#seeking
 * @return {boolean}
 *         - The value of `seeking` from the media element.
 *         - True indicates that the media is currently seeking to a new position.
 *         - Flase indicates that the media is not seeking to a new position at this time.
 *
 * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-seeking}
 */
'seeking',

/**
 * Get the value of `seekable` from the media element. `seekable` returns a
 * `TimeRange` object indicating ranges of time that can currently be `seeked` to.
 *
 * @method Html5#seekable
 * @return {TimeRange}
 *         The value of `seekable` from the media element. A `TimeRange` object
 *         indicating the current ranges of time that can be seeked to.
 *
 * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-seekable}
 */
'seekable',

/**
 * Get the value of `ended` from the media element. `ended` indicates whether
 * the media has reached the end or not.
 *
 * @method Html5#ended
 * @return {boolean}
 *         - The value of `ended` from the media element.
 *         - True indicates that the media has ended.
 *         - False indicates that the media has not ended.
 *
 * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-ended}
 */
'ended',

/**
 * Get the value of `playbackRate` from the media element. `playbackRate` indicates
 * the rate at which the media is currently playing back. Examples:
 *   - if playbackRate is set to 2, media will play twice as fast.
 *   - if playbackRate is set to 0.5, media will play half as fast.
 *
 * @method Html5#playbackRate
 * @return {number}
 *         The value of `playbackRate` from the media element. A number indicating
 *         the current playback speed of the media, where 1 is normal speed.
 *
 * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-playbackrate}
 */
'playbackRate',

/**
 * Get the value of `defaultPlaybackRate` from the media element. `defaultPlaybackRate` indicates
 * the rate at which the media is currently playing back. This value will not indicate the current
 * `playbackRate` after playback has started, use {@link Html5#playbackRate} for that.
 *
 * Examples:
 *   - if defaultPlaybackRate is set to 2, media will play twice as fast.
 *   - if defaultPlaybackRate is set to 0.5, media will play half as fast.
 *
 * @method Html5.prototype.defaultPlaybackRate
 * @return {number}
 *         The value of `defaultPlaybackRate` from the media element. A number indicating
 *         the current playback speed of the media, where 1 is normal speed.
 *
 * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-playbackrate}
 */
'defaultPlaybackRate',

/**
 * Get the value of `played` from the media element. `played` returns a `TimeRange`
 * object representing points in the media timeline that have been played.
 *
 * @method Html5#played
 * @return {TimeRange}
 *         The value of `played` from the media element. A `TimeRange` object indicating
 *         the ranges of time that have been played.
 *
 * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-played}
 */
'played',

/**
 * Get the value of `networkState` from the media element. `networkState` indicates
 * the current network state. It returns an enumeration from the following list:
 * - 0: NETWORK_EMPTY
 * - 1: NEWORK_IDLE
 * - 2: NETWORK_LOADING
 * - 3: NETWORK_NO_SOURCE
 *
 * @method Html5#networkState
 * @return {number}
 *         The value of `networkState` from the media element. This will be a number
 *         from the list in the description.
 *
 * @see [Spec] {@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-networkstate}
 */
'networkState',

/**
 * Get the value of `readyState` from the media element. `readyState` indicates
 * the current state of the media element. It returns an enumeration from the
 * following list:
 * - 0: HAVE_NOTHING
 * - 1: HAVE_METADATA
 * - 2: HAVE_CURRENT_DATA
 * - 3: HAVE_FUTURE_DATA
 * - 4: HAVE_ENOUGH_DATA
 *
 * @method Html5#readyState
 * @return {number}
 *         The value of `readyState` from the media element. This will be a number
 *         from the list in the description.
 *
 * @see [Spec] {@link https://www.w3.org/TR/html5/embedded-content-0.html#ready-states}
 */
'readyState',

/**
 * Get the value of `videoWidth` from the video element. `videoWidth` indicates
 * the current width of the video in css pixels.
 *
 * @method Html5#videoWidth
 * @return {number}
 *         The value of `videoWidth` from the video element. This will be a number
 *         in css pixels.
 *
 * @see [Spec] {@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-video-videowidth}
 */
'videoWidth',

/**
 * Get the value of `videoHeight` from the video element. `videoHeigth` indicates
 * the current height of the video in css pixels.
 *
 * @method Html5#videoHeight
 * @return {number}
 *         The value of `videoHeight` from the video element. This will be a number
 *         in css pixels.
 *
 * @see [Spec] {@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-video-videowidth}
 */
'videoHeight'].forEach(function (prop) {
  Html5.prototype[prop] = function () {
    return this.el_[prop];
  };
});

// Wrap native properties with a setter in this format:
// set + toTitleCase(name)
// The list is as follows:
// setVolume, setSrc, setPoster, setPreload, setPlaybackRate, setDefaultPlaybackRate
[
/**
 * Set the value of `volume` on the media element. `volume` indicates the current
 * audio level as a percentage in decimal form. This means that 1 is 100%, 0.5 is 50%, and
 * so on.
 *
 * @method Html5#setVolume
 * @param {number} percentAsDecimal
 *        The volume percent as a decimal. Valid range is from 0-1.
 *
 * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-a-volume}
 */
'volume',

/**
 * Set the value of `src` on the media element. `src` indicates the current
 * {@link Tech~SourceObject} for the media.
 *
 * @method Html5#setSrc
 * @param {Tech~SourceObject} src
 *        The source object to set as the current source.
 *
 * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-src}
 */
'src',

/**
 * Set the value of `poster` on the media element. `poster` is the url to
 * an image file that can/will be shown when no media data is available.
 *
 * @method Html5#setPoster
 * @param {string} poster
 *        The url to an image that should be used as the `poster` for the media
 *        element.
 *
 * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-poster}
 */
'poster',

/**
 * Set the value of `preload` on the media element. `preload` indicates
 * what should download before the media is interacted with. It can have the following
 * values:
 * - none: nothing should be downloaded
 * - metadata: poster and the first few frames of the media may be downloaded to get
 *   media dimensions and other metadata
 * - auto: allow the media and metadata for the media to be downloaded before
 *    interaction
 *
 * @method Html5#setPreload
 * @param {string} preload
 *         The value of `preload` to set on the media element. Must be 'none', 'metadata',
 *         or 'auto'.
 *
 * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-preload}
 */
'preload',

/**
 * Set the value of `playbackRate` on the media element. `playbackRate` indicates
 * the rate at which the media should play back. Examples:
 *   - if playbackRate is set to 2, media will play twice as fast.
 *   - if playbackRate is set to 0.5, media will play half as fast.
 *
 * @method Html5#setPlaybackRate
 * @return {number}
 *         The value of `playbackRate` from the media element. A number indicating
 *         the current playback speed of the media, where 1 is normal speed.
 *
 * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-playbackrate}
 */
'playbackRate',

/**
 * Set the value of `defaultPlaybackRate` on the media element. `defaultPlaybackRate` indicates
 * the rate at which the media should play back upon initial startup. Changing this value
 * after a video has started will do nothing. Instead you should used {@link Html5#setPlaybackRate}.
 *
 * Example Values:
 *   - if playbackRate is set to 2, media will play twice as fast.
 *   - if playbackRate is set to 0.5, media will play half as fast.
 *
 * @method Html5.prototype.setDefaultPlaybackRate
 * @return {number}
 *         The value of `defaultPlaybackRate` from the media element. A number indicating
 *         the current playback speed of the media, where 1 is normal speed.
 *
 * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-defaultplaybackrate}
 */
'defaultPlaybackRate'].forEach(function (prop) {
  Html5.prototype['set' + toTitleCase(prop)] = function (v) {
    this.el_[prop] = v;
  };
});

// wrap native functions with a function
// The list is as follows:
// pause, load play
[
/**
 * A wrapper around the media elements `pause` function. This will call the `HTML5`
 * media elements `pause` function.
 *
 * @method Html5#pause
 * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-pause}
 */
'pause',

/**
 * A wrapper around the media elements `load` function. This will call the `HTML5`s
 * media element `load` function.
 *
 * @method Html5#load
 * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-load}
 */
'load',

/**
 * A wrapper around the media elements `play` function. This will call the `HTML5`s
 * media element `play` function.
 *
 * @method Html5#play
 * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-play}
 */
'play'].forEach(function (prop) {
  Html5.prototype[prop] = function () {
    return this.el_[prop]();
  };
});

Tech.withSourceHandlers(Html5);

/**
 * Native source handler for Html5, simply passes the source to the media element.
 *
 * @proprety {Tech~SourceObject} source
 *        The source object
 *
 * @proprety {Html5} tech
 *        The instance of the HTML5 tech.
 */
Html5.nativeSourceHandler = {};

/**
 * Check if the media element can play the given mime type.
 *
 * @param {string} type
 *        The mimetype to check
 *
 * @return {string}
 *         'probably', 'maybe', or '' (empty string)
 */
Html5.nativeSourceHandler.canPlayType = function (type) {
  // IE9 on Windows 7 without MediaPlayer throws an error here
  // https://github.com/videojs/video.js/issues/519
  try {
    return Html5.TEST_VID.canPlayType(type);
  } catch (e) {
    return '';
  }
};

/**
 * Check if the media element can handle a source natively.
 *
 * @param {Tech~SourceObject} source
 *         The source object
 *
 * @param {Object} [options]
 *         Options to be passed to the tech.
 *
 * @return {string}
 *         'probably', 'maybe', or '' (empty string).
 */
Html5.nativeSourceHandler.canHandleSource = function (source, options) {

  // If a type was provided we should rely on that
  if (source.type) {
    return Html5.nativeSourceHandler.canPlayType(source.type);

    // If no type, fall back to checking 'video/[EXTENSION]'
  } else if (source.src) {
    var ext = getFileExtension(source.src);

    return Html5.nativeSourceHandler.canPlayType('video/' + ext);
  }

  return '';
};

/**
 * Pass the source to the native media element.
 *
 * @param {Tech~SourceObject} source
 *        The source object
 *
 * @param {Html5} tech
 *        The instance of the Html5 tech
 *
 * @param {Object} [options]
 *        The options to pass to the source
 */
Html5.nativeSourceHandler.handleSource = function (source, tech, options) {
  tech.setSrc(source.src);
};

/**
 * A noop for the native dispose function, as cleanup is not needed.
 */
Html5.nativeSourceHandler.dispose = function () {};

// Register the native source handler
Html5.registerSourceHandler(Html5.nativeSourceHandler);

Tech.registerTech('Html5', Html5);

var _templateObject$1 = taggedTemplateLiteralLoose(['\n        Using the tech directly can be dangerous. I hope you know what you\'re doing.\n        See https://github.com/videojs/video.js/issues/2617 for more info.\n      '], ['\n        Using the tech directly can be dangerous. I hope you know what you\'re doing.\n        See https://github.com/videojs/video.js/issues/2617 for more info.\n      ']);

/**
 * @file player.js
 */
// Subclasses Component
// The following imports are used only to ensure that the corresponding modules
// are always included in the video.js package. Importing the modules will
// execute them and they will register themselves with video.js.
// Import Html5 tech, at least for disposing the original video tag.
// The following tech events are simply re-triggered
// on the player when they happen
var TECH_EVENTS_RETRIGGER = [
/**
 * Fired while the user agent is downloading media data.
 *
 * @event Player#progress
 * @type {EventTarget~Event}
 */
/**
 * Retrigger the `progress` event that was triggered by the {@link Tech}.
 *
 * @private
 * @method Player#handleTechProgress_
 * @fires Player#progress
 * @listens Tech#progress
 */
'progress',

/**
 * Fires when the loading of an audio/video is aborted.
 *
 * @event Player#abort
 * @type {EventTarget~Event}
 */
/**
 * Retrigger the `abort` event that was triggered by the {@link Tech}.
 *
 * @private
 * @method Player#handleTechAbort_
 * @fires Player#abort
 * @listens Tech#abort
 */
'abort',

/**
 * Fires when the browser is intentionally not getting media data.
 *
 * @event Player#suspend
 * @type {EventTarget~Event}
 */
/**
 * Retrigger the `suspend` event that was triggered by the {@link Tech}.
 *
 * @private
 * @method Player#handleTechSuspend_
 * @fires Player#suspend
 * @listens Tech#suspend
 */
'suspend',

/**
 * Fires when the current playlist is empty.
 *
 * @event Player#emptied
 * @type {EventTarget~Event}
 */
/**
 * Retrigger the `emptied` event that was triggered by the {@link Tech}.
 *
 * @private
 * @method Player#handleTechEmptied_
 * @fires Player#emptied
 * @listens Tech#emptied
 */
'emptied',
/**
 * Fires when the browser is trying to get media data, but data is not available.
 *
 * @event Player#stalled
 * @type {EventTarget~Event}
 */
/**
 * Retrigger the `stalled` event that was triggered by the {@link Tech}.
 *
 * @private
 * @method Player#handleTechStalled_
 * @fires Player#stalled
 * @listens Tech#stalled
 */
'stalled',

/**
 * Fires when the browser has loaded meta data for the audio/video.
 *
 * @event Player#loadedmetadata
 * @type {EventTarget~Event}
 */
/**
 * Retrigger the `stalled` event that was triggered by the {@link Tech}.
 *
 * @private
 * @method Player#handleTechLoadedmetadata_
 * @fires Player#loadedmetadata
 * @listens Tech#loadedmetadata
 */
'loadedmetadata',

/**
 * Fires when the browser has loaded the current frame of the audio/video.
 *
 * @event Player#loadeddata
 * @type {event}
 */
/**
 * Retrigger the `loadeddata` event that was triggered by the {@link Tech}.
 *
 * @private
 * @method Player#handleTechLoaddeddata_
 * @fires Player#loadeddata
 * @listens Tech#loadeddata
 */
'loadeddata',

/**
 * Fires when the current playback position has changed.
 *
 * @event Player#timeupdate
 * @type {event}
 */
/**
 * Retrigger the `timeupdate` event that was triggered by the {@link Tech}.
 *
 * @private
 * @method Player#handleTechTimeUpdate_
 * @fires Player#timeupdate
 * @listens Tech#timeupdate
 */
'timeupdate',

/**
 * Fires when the video's intrinsic dimensions change
 *
 * @event Player#resize
 * @type {event}
 */
/**
 * Retrigger the `resize` event that was triggered by the {@link Tech}.
 *
 * @private
 * @method Player#handleTechResize_
 * @fires Player#resize
 * @listens Tech#resize
 */
'resize',

/**
 * Fires when the volume has been changed
 *
 * @event Player#volumechange
 * @type {event}
 */
/**
 * Retrigger the `volumechange` event that was triggered by the {@link Tech}.
 *
 * @private
 * @method Player#handleTechVolumechange_
 * @fires Player#volumechange
 * @listens Tech#volumechange
 */
'volumechange',

/**
 * Fires when the text track has been changed
 *
 * @event Player#texttrackchange
 * @type {event}
 */
/**
 * Retrigger the `texttrackchange` event that was triggered by the {@link Tech}.
 *
 * @private
 * @method Player#handleTechTexttrackchange_
 * @fires Player#texttrackchange
 * @listens Tech#texttrackchange
 */
'texttrackchange'];

// events to queue when playback rate is zero
// this is a hash for the sole purpose of mapping non-camel-cased event names
// to camel-cased function names
var TECH_EVENTS_QUEUE = {
  canplay: 'CanPlay',
  canplaythrough: 'CanPlayThrough',
  playing: 'Playing',
  seeked: 'Seeked'
};

var BREAKPOINT_ORDER = ['tiny', 'xsmall', 'small', 'medium', 'large', 'xlarge', 'huge'];

var BREAKPOINT_CLASSES = {};

// grep: vjs-layout-tiny
// grep: vjs-layout-x-small
// grep: vjs-layout-small
// grep: vjs-layout-medium
// grep: vjs-layout-large
// grep: vjs-layout-x-large
// grep: vjs-layout-huge
BREAKPOINT_ORDER.forEach(function (k) {
  var v = k.charAt(0) === 'x' ? 'x-' + k.substring(1) : k;

  BREAKPOINT_CLASSES[k] = 'vjs-layout-' + v;
});

var DEFAULT_BREAKPOINTS = {
  tiny: 210,
  xsmall: 320,
  small: 425,
  medium: 768,
  large: 1440,
  xlarge: 2560,
  huge: Infinity
};

/**
 * An instance of the `Player` class is created when any of the Video.js setup methods
 * are used to initialize a video.
 *
 * After an instance has been created it can be accessed globally in two ways:
 * 1. By calling `videojs('example_video_1');`
 * 2. By using it directly via  `videojs.players.example_video_1;`
 *
 * @extends Component
 */

var Player = function (_Component) {
  inherits(Player, _Component);

  /**
   * Create an instance of this class.
   *
   * @param {Element} tag
   *        The original video DOM element used for configuring options.
   *
   * @param {Object} [options]
   *        Object of option names and values.
   *
   * @param {Component~ReadyCallback} [ready]
   *        Ready callback function.
   */
  function Player(tag, options, ready) {
    classCallCheck(this, Player);

    // Make sure tag ID exists
    tag.id = tag.id || options.id || 'vjs_video_' + newGUID();

    // Set Options
    // The options argument overrides options set in the video tag
    // which overrides globally set options.
    // This latter part coincides with the load order
    // (tag must exist before Player)
    options = assign(Player.getTagSettings(tag), options);

    // Delay the initialization of children because we need to set up
    // player properties first, and can't use `this` before `super()`
    options.initChildren = false;

    // Same with creating the element
    options.createEl = false;

    // don't auto mixin the evented mixin
    options.evented = false;

    // we don't want the player to report touch activity on itself
    // see enableTouchActivity in Component
    options.reportTouchActivity = false;

    // If language is not set, get the closest lang attribute
    if (!options.language) {
      if (typeof tag.closest === 'function') {
        var closest = tag.closest('[lang]');

        if (closest && closest.getAttribute) {
          options.language = closest.getAttribute('lang');
        }
      } else {
        var element = tag;

        while (element && element.nodeType === 1) {
          if (getAttributes(element).hasOwnProperty('lang')) {
            options.language = element.getAttribute('lang');
            break;
          }
          element = element.parentNode;
        }
      }
    }

    // Run base component initializing with new options

    // create logger
    var _this = possibleConstructorReturn(this, _Component.call(this, null, options, ready));

    _this.log = createLogger(_this.id_);

    // Tracks when a tech changes the poster
    _this.isPosterFromTech_ = false;

    // Holds callback info that gets queued when playback rate is zero
    // and a seek is happening
    _this.queuedCallbacks_ = [];

    // Turn off API access because we're loading a new tech that might load asynchronously
    _this.isReady_ = false;

    // Init state hasStarted_
    _this.hasStarted_ = false;

    // Init state userActive_
    _this.userActive_ = false;

    // if the global option object was accidentally blown away by
    // someone, bail early with an informative error
    if (!_this.options_ || !_this.options_.techOrder || !_this.options_.techOrder.length) {
      throw new Error('No techOrder specified. Did you overwrite ' + 'videojs.options instead of just changing the ' + 'properties you want to override?');
    }

    // Store the original tag used to set options
    _this.tag = tag;

    // Store the tag attributes used to restore html5 element
    _this.tagAttributes = tag && getAttributes(tag);

    // Update current language
    _this.language(_this.options_.language);

    // Update Supported Languages
    if (options.languages) {
      // Normalise player option languages to lowercase
      var languagesToLower = {};

      Object.getOwnPropertyNames(options.languages).forEach(function (name$$1) {
        languagesToLower[name$$1.toLowerCase()] = options.languages[name$$1];
      });
      _this.languages_ = languagesToLower;
    } else {
      _this.languages_ = Player.prototype.options_.languages;
    }

    // Cache for video property values.
    _this.cache_ = {};

    // Set poster
    _this.poster_ = options.poster || '';

    // Set controls
    _this.controls_ = !!options.controls;

    // Set default values for lastVolume
    _this.cache_.lastVolume = 1;

    // Original tag settings stored in options
    // now remove immediately so native controls don't flash.
    // May be turned back on by HTML5 tech if nativeControlsForTouch is true
    tag.controls = false;
    tag.removeAttribute('controls');

    // the attribute overrides the option
    if (tag.hasAttribute('autoplay')) {
      _this.options_.autoplay = true;
    } else {
      // otherwise use the setter to validate and
      // set the correct value.
      _this.autoplay(_this.options_.autoplay);
    }

    /*
     * Store the internal state of scrubbing
     *
     * @private
     * @return {Boolean} True if the user is scrubbing
     */
    _this.scrubbing_ = false;

    _this.el_ = _this.createEl();

    // Set default value for lastPlaybackRate
    _this.cache_.lastPlaybackRate = _this.defaultPlaybackRate();

    // Make this an evented object and use `el_` as its event bus.
    evented(_this, { eventBusKey: 'el_' });

    // We also want to pass the original player options to each component and plugin
    // as well so they don't need to reach back into the player for options later.
    // We also need to do another copy of this.options_ so we don't end up with
    // an infinite loop.
    var playerOptionsCopy = mergeOptions(_this.options_);

    // Load plugins
    if (options.plugins) {
      var plugins = options.plugins;

      Object.keys(plugins).forEach(function (name$$1) {
        if (typeof this[name$$1] === 'function') {
          this[name$$1](plugins[name$$1]);
        } else {
          throw new Error('plugin "' + name$$1 + '" does not exist');
        }
      }, _this);
    }

    _this.options_.playerOptions = playerOptionsCopy;

    _this.middleware_ = [];

    _this.initChildren();

    // Set isAudio based on whether or not an audio tag was used
    _this.isAudio(tag.nodeName.toLowerCase() === 'audio');

    // Update controls className. Can't do this when the controls are initially
    // set because the element doesn't exist yet.
    if (_this.controls()) {
      _this.addClass('vjs-controls-enabled');
    } else {
      _this.addClass('vjs-controls-disabled');
    }

    // Set ARIA label and region role depending on player type
    _this.el_.setAttribute('role', 'region');
    if (_this.isAudio()) {
      _this.el_.setAttribute('aria-label', _this.localize('Audio Player'));
    } else {
      _this.el_.setAttribute('aria-label', _this.localize('Video Player'));
    }

    if (_this.isAudio()) {
      _this.addClass('vjs-audio');
    }

    if (_this.flexNotSupported_()) {
      _this.addClass('vjs-no-flex');
    }

    // TODO: Make this smarter. Toggle user state between touching/mousing
    // using events, since devices can have both touch and mouse events.
    // if (browser.TOUCH_ENABLED) {
    //   this.addClass('vjs-touch-enabled');
    // }

    // iOS Safari has broken hover handling
    if (!IS_IOS) {
      _this.addClass('vjs-workinghover');
    }

    // Make player easily findable by ID
    Player.players[_this.id_] = _this;

    // Add a major version class to aid css in plugins
    var majorVersion = version.split('.')[0];

    _this.addClass('vjs-v' + majorVersion);

    // When the player is first initialized, trigger activity so components
    // like the control bar show themselves if needed
    _this.userActive(true);
    _this.reportUserActivity();

    _this.one('play', _this.listenForUserActivity_);
    _this.on('fullscreenchange', _this.handleFullscreenChange_);
    _this.on('stageclick', _this.handleStageClick_);

    _this.breakpoints(_this.options_.breakpoints);
    _this.responsive(_this.options_.responsive);

    _this.changingSrc_ = false;
    _this.playWaitingForReady_ = false;
    _this.playOnLoadstart_ = null;
    return _this;
  }

  /**
   * Destroys the video player and does any necessary cleanup.
   *
   * This is especially helpful if you are dynamically adding and removing videos
   * to/from the DOM.
   *
   * @fires Player#dispose
   */


  Player.prototype.dispose = function dispose() {
    /**
     * Called when the player is being disposed of.
     *
     * @event Player#dispose
     * @type {EventTarget~Event}
     */
    this.trigger('dispose');
    // prevent dispose from being called twice
    this.off('dispose');

    if (this.styleEl_ && this.styleEl_.parentNode) {
      this.styleEl_.parentNode.removeChild(this.styleEl_);
      this.styleEl_ = null;
    }

    // Kill reference to this player
    Player.players[this.id_] = null;

    if (this.tag && this.tag.player) {
      this.tag.player = null;
    }

    if (this.el_ && this.el_.player) {
      this.el_.player = null;
    }

    if (this.tech_) {
      this.tech_.dispose();
      this.isPosterFromTech_ = false;
      this.poster_ = '';
    }

    if (this.playerElIngest_) {
      this.playerElIngest_ = null;
    }

    if (this.tag) {
      this.tag = null;
    }

    clearCacheForPlayer(this);

    // the actual .el_ is removed here
    _Component.prototype.dispose.call(this);
  };

  /**
   * Create the `Player`'s DOM element.
   *
   * @return {Element}
   *         The DOM element that gets created.
   */


  Player.prototype.createEl = function createEl$$1() {
    var tag = this.tag;
    var el = void 0;
    var playerElIngest = this.playerElIngest_ = tag.parentNode && tag.parentNode.hasAttribute && tag.parentNode.hasAttribute('data-vjs-player');
    var divEmbed = this.tag.tagName.toLowerCase() === 'video-js';

    if (playerElIngest) {
      el = this.el_ = tag.parentNode;
    } else if (!divEmbed) {
      el = this.el_ = _Component.prototype.createEl.call(this, 'div');
    }

    // Copy over all the attributes from the tag, including ID and class
    // ID will now reference player box, not the video tag
    var attrs = getAttributes(tag);

    if (divEmbed) {
      el = this.el_ = tag;
      tag = this.tag = document.createElement('video');
      while (el.children.length) {
        tag.appendChild(el.firstChild);
      }

      if (!hasClass(el, 'video-js')) {
        addClass(el, 'video-js');
      }

      el.appendChild(tag);

      playerElIngest = this.playerElIngest_ = el;

      // copy over properties from the video-js element
      // ie8 doesn't support Object.keys nor hasOwnProperty
      // on dom elements so we have to specify properties individually
      ['autoplay', 'controls', 'crossOrigin', 'defaultMuted', 'defaultPlaybackRate', 'loop', 'muted', 'playbackRate', 'src', 'volume'].forEach(function (prop) {
        if (typeof el[prop] !== 'undefined') {
          tag[prop] = el[prop];
        }
      });
    }

    // set tabindex to -1 to remove the video element from the focus order
    tag.setAttribute('tabindex', '-1');
    attrs.tabindex = '-1';

    // Workaround for #4583 (JAWS+IE doesn't announce BPB or play button)
    // See https://github.com/FreedomScientific/VFO-standards-support/issues/78
    // Note that we can't detect if JAWS is being used, but this ARIA attribute
    //  doesn't change behavior of IE11 if JAWS is not being used
    if (IE_VERSION) {
      tag.setAttribute('role', 'application');
      attrs.role = 'application';
    }

    // Remove width/height attrs from tag so CSS can make it 100% width/height
    tag.removeAttribute('width');
    tag.removeAttribute('height');

    if ('width' in attrs) {
      delete attrs.width;
    }
    if ('height' in attrs) {
      delete attrs.height;
    }

    Object.getOwnPropertyNames(attrs).forEach(function (attr) {
      // workaround so we don't totally break IE7
      // http://stackoverflow.com/questions/3653444/css-styles-not-applied-on-dynamic-elements-in-internet-explorer-7
      if (attr === 'class') {
        el.className += ' ' + attrs[attr];

        if (divEmbed) {
          tag.className += ' ' + attrs[attr];
        }
      } else {
        el.setAttribute(attr, attrs[attr]);

        if (divEmbed) {
          tag.setAttribute(attr, attrs[attr]);
        }
      }
    });

    // Update tag id/class for use as HTML5 playback tech
    // Might think we should do this after embedding in container so .vjs-tech class
    // doesn't flash 100% width/height, but class only applies with .video-js parent
    tag.playerId = tag.id;
    tag.id += '_html5_api';
    tag.className = 'vjs-tech';

    // Make player findable on elements
    tag.player = el.player = this;
    // Default state of video is paused
    this.addClass('vjs-paused');

    // Add a style element in the player that we'll use to set the width/height
    // of the player in a way that's still overrideable by CSS, just like the
    // video element
    if (window.VIDEOJS_NO_DYNAMIC_STYLE !== true) {
      this.styleEl_ = createStyleElement('vjs-styles-dimensions');
      var defaultsStyleEl = $('.vjs-styles-defaults');
      var head = $('head');

      head.insertBefore(this.styleEl_, defaultsStyleEl ? defaultsStyleEl.nextSibling : head.firstChild);
    }

    this.fill_ = false;
    this.fluid_ = false;

    // Pass in the width/height/aspectRatio options which will update the style el
    this.width(this.options_.width);
    this.height(this.options_.height);
    this.fill(this.options_.fill);
    this.fluid(this.options_.fluid);
    this.aspectRatio(this.options_.aspectRatio);

    // Hide any links within the video/audio tag, because IE doesn't hide them completely.
    var links = tag.getElementsByTagName('a');

    for (var i = 0; i < links.length; i++) {
      var linkEl = links.item(i);

      addClass(linkEl, 'vjs-hidden');
      linkEl.setAttribute('hidden', 'hidden');
    }

    // insertElFirst seems to cause the networkState to flicker from 3 to 2, so
    // keep track of the original for later so we can know if the source originally failed
    tag.initNetworkState_ = tag.networkState;

    // Wrap video tag in div (el/box) container
    if (tag.parentNode && !playerElIngest) {
      tag.parentNode.insertBefore(el, tag);
    }

    // insert the tag as the first child of the player element
    // then manually add it to the children array so that this.addChild
    // will work properly for other components
    //
    // Breaks iPhone, fixed in HTML5 setup.
    prependTo(tag, el);
    this.children_.unshift(tag);

    // Set lang attr on player to ensure CSS :lang() in consistent with player
    // if it's been set to something different to the doc
    this.el_.setAttribute('lang', this.language_);

    this.el_ = el;

    return el;
  };

  /**
   * A getter/setter for the `Player`'s width. Returns the player's configured value.
   * To get the current width use `currentWidth()`.
   *
   * @param {number} [value]
   *        The value to set the `Player`'s width to.
   *
   * @return {number}
   *         The current width of the `Player` when getting.
   */


  Player.prototype.width = function width(value) {
    return this.dimension('width', value);
  };

  /**
   * A getter/setter for the `Player`'s height. Returns the player's configured value.
   * To get the current height use `currentheight()`.
   *
   * @param {number} [value]
   *        The value to set the `Player`'s heigth to.
   *
   * @return {number}
   *         The current height of the `Player` when getting.
   */


  Player.prototype.height = function height(value) {
    return this.dimension('height', value);
  };

  /**
   * A getter/setter for the `Player`'s width & height.
   *
   * @param {string} dimension
   *        This string can be:
   *        - 'width'
   *        - 'height'
   *
   * @param {number} [value]
   *        Value for dimension specified in the first argument.
   *
   * @return {number}
   *         The dimension arguments value when getting (width/height).
   */


  Player.prototype.dimension = function dimension(_dimension, value) {
    var privDimension = _dimension + '_';

    if (value === undefined) {
      return this[privDimension] || 0;
    }

    if (value === '') {
      // If an empty string is given, reset the dimension to be automatic
      this[privDimension] = undefined;
      this.updateStyleEl_();
      return;
    }

    var parsedVal = parseFloat(value);

    if (isNaN(parsedVal)) {
      log.error('Improper value "' + value + '" supplied for for ' + _dimension);
      return;
    }

    this[privDimension] = parsedVal;
    this.updateStyleEl_();
  };

  /**
   * A getter/setter/toggler for the vjs-fluid `className` on the `Player`.
   *
   * Turning this on will turn off fill mode.
   *
   * @param {boolean} [bool]
   *        - A value of true adds the class.
   *        - A value of false removes the class.
   *        - No value will be a getter.
   *
   * @return {boolean|undefined}
   *         - The value of fluid when getting.
   *         - `undefined` when setting.
   */


  Player.prototype.fluid = function fluid(bool) {
    if (bool === undefined) {
      return !!this.fluid_;
    }

    this.fluid_ = !!bool;

    if (bool) {
      this.addClass('vjs-fluid');
      this.fill(false);
    } else {
      this.removeClass('vjs-fluid');
    }

    this.updateStyleEl_();
  };

  /**
   * A getter/setter/toggler for the vjs-fill `className` on the `Player`.
   *
   * Turning this on will turn off fluid mode.
   *
   * @param {boolean} [bool]
   *        - A value of true adds the class.
   *        - A value of false removes the class.
   *        - No value will be a getter.
   *
   * @return {boolean|undefined}
   *         - The value of fluid when getting.
   *         - `undefined` when setting.
   */


  Player.prototype.fill = function fill(bool) {
    if (bool === undefined) {
      return !!this.fill_;
    }

    this.fill_ = !!bool;

    if (bool) {
      this.addClass('vjs-fill');
      this.fluid(false);
    } else {
      this.removeClass('vjs-fill');
    }
  };

  /**
   * Get/Set the aspect ratio
   *
   * @param {string} [ratio]
   *        Aspect ratio for player
   *
   * @return {string|undefined}
   *         returns the current aspect ratio when getting
   */

  /**
   * A getter/setter for the `Player`'s aspect ratio.
   *
   * @param {string} [ratio]
   *        The value to set the `Player's aspect ratio to.
   *
   * @return {string|undefined}
   *         - The current aspect ratio of the `Player` when getting.
   *         - undefined when setting
   */


  Player.prototype.aspectRatio = function aspectRatio(ratio) {
    if (ratio === undefined) {
      return this.aspectRatio_;
    }

    // Check for width:height format
    if (!/^\d+\:\d+$/.test(ratio)) {
      throw new Error('Improper value supplied for aspect ratio. The format should be width:height, for example 16:9.');
    }
    this.aspectRatio_ = ratio;

    // We're assuming if you set an aspect ratio you want fluid mode,
    // because in fixed mode you could calculate width and height yourself.
    this.fluid(true);

    this.updateStyleEl_();
  };

  /**
   * Update styles of the `Player` element (height, width and aspect ratio).
   *
   * @private
   * @listens Tech#loadedmetadata
   */


  Player.prototype.updateStyleEl_ = function updateStyleEl_() {
    if (window.VIDEOJS_NO_DYNAMIC_STYLE === true) {
      var _width = typeof this.width_ === 'number' ? this.width_ : this.options_.width;
      var _height = typeof this.height_ === 'number' ? this.height_ : this.options_.height;
      var techEl = this.tech_ && this.tech_.el();

      if (techEl) {
        if (_width >= 0) {
          techEl.width = _width;
        }
        if (_height >= 0) {
          techEl.height = _height;
        }
      }

      return;
    }

    var width = void 0;
    var height = void 0;
    var aspectRatio = void 0;
    var idClass = void 0;

    // The aspect ratio is either used directly or to calculate width and height.
    if (this.aspectRatio_ !== undefined && this.aspectRatio_ !== 'auto') {
      // Use any aspectRatio that's been specifically set
      aspectRatio = this.aspectRatio_;
    } else if (this.videoWidth() > 0) {
      // Otherwise try to get the aspect ratio from the video metadata
      aspectRatio = this.videoWidth() + ':' + this.videoHeight();
    } else {
      // Or use a default. The video element's is 2:1, but 16:9 is more common.
      aspectRatio = '16:9';
    }

    // Get the ratio as a decimal we can use to calculate dimensions
    var ratioParts = aspectRatio.split(':');
    var ratioMultiplier = ratioParts[1] / ratioParts[0];

    if (this.width_ !== undefined) {
      // Use any width that's been specifically set
      width = this.width_;
    } else if (this.height_ !== undefined) {
      // Or calulate the width from the aspect ratio if a height has been set
      width = this.height_ / ratioMultiplier;
    } else {
      // Or use the video's metadata, or use the video el's default of 300
      width = this.videoWidth() || 300;
    }

    if (this.height_ !== undefined) {
      // Use any height that's been specifically set
      height = this.height_;
    } else {
      // Otherwise calculate the height from the ratio and the width
      height = width * ratioMultiplier;
    }

    // Ensure the CSS class is valid by starting with an alpha character
    if (/^[^a-zA-Z]/.test(this.id())) {
      idClass = 'dimensions-' + this.id();
    } else {
      idClass = this.id() + '-dimensions';
    }

    // Ensure the right class is still on the player for the style element
    this.addClass(idClass);

    setTextContent(this.styleEl_, '\n      .' + idClass + ' {\n        width: ' + width + 'px;\n        height: ' + height + 'px;\n      }\n\n      .' + idClass + '.vjs-fluid {\n        padding-top: ' + ratioMultiplier * 100 + '%;\n      }\n    ');
  };

  /**
   * Load/Create an instance of playback {@link Tech} including element
   * and API methods. Then append the `Tech` element in `Player` as a child.
   *
   * @param {string} techName
   *        name of the playback technology
   *
   * @param {string} source
   *        video source
   *
   * @private
   */


  Player.prototype.loadTech_ = function loadTech_(techName, source) {
    var _this2 = this;

    // Pause and remove current playback technology
    if (this.tech_) {
      this.unloadTech_();
    }

    var titleTechName = toTitleCase(techName);
    var camelTechName = techName.charAt(0).toLowerCase() + techName.slice(1);

    // get rid of the HTML5 video tag as soon as we are using another tech
    if (titleTechName !== 'Html5' && this.tag) {
      Tech.getTech('Html5').disposeMediaElement(this.tag);
      this.tag.player = null;
      this.tag = null;
    }

    this.techName_ = titleTechName;

    // Turn off API access because we're loading a new tech that might load asynchronously
    this.isReady_ = false;

    // if autoplay is a string we pass false to the tech
    // because the player is going to handle autoplay on `loadstart`
    var autoplay = typeof this.autoplay() === 'string' ? false : this.autoplay();

    // Grab tech-specific options from player options and add source and parent element to use.
    var techOptions = {
      source: source,
      autoplay: autoplay,
      'nativeControlsForTouch': this.options_.nativeControlsForTouch,
      'playerId': this.id(),
      'techId': this.id() + '_' + camelTechName + '_api',
      'playsinline': this.options_.playsinline,
      'preload': this.options_.preload,
      'loop': this.options_.loop,
      'muted': this.options_.muted,
      'poster': this.poster(),
      'language': this.language(),
      'playerElIngest': this.playerElIngest_ || false,
      'vtt.js': this.options_['vtt.js'],
      'canOverridePoster': !!this.options_.techCanOverridePoster,
      'enableSourceset': this.options_.enableSourceset
    };

    ALL.names.forEach(function (name$$1) {
      var props = ALL[name$$1];

      techOptions[props.getterName] = _this2[props.privateName];
    });

    assign(techOptions, this.options_[titleTechName]);
    assign(techOptions, this.options_[camelTechName]);
    assign(techOptions, this.options_[techName.toLowerCase()]);

    if (this.tag) {
      techOptions.tag = this.tag;
    }

    if (source && source.src === this.cache_.src && this.cache_.currentTime > 0) {
      techOptions.startTime = this.cache_.currentTime;
    }

    // Initialize tech instance
    var TechClass = Tech.getTech(techName);

    if (!TechClass) {
      throw new Error('No Tech named \'' + titleTechName + '\' exists! \'' + titleTechName + '\' should be registered using videojs.registerTech()\'');
    }

    this.tech_ = new TechClass(techOptions);

    // player.triggerReady is always async, so don't need this to be async
    this.tech_.ready(bind(this, this.handleTechReady_), true);

    textTrackConverter.jsonToTextTracks(this.textTracksJson_ || [], this.tech_);

    // Listen to all HTML5-defined events and trigger them on the player
    TECH_EVENTS_RETRIGGER.forEach(function (event) {
      _this2.on(_this2.tech_, event, _this2['handleTech' + toTitleCase(event) + '_']);
    });

    Object.keys(TECH_EVENTS_QUEUE).forEach(function (event) {
      _this2.on(_this2.tech_, event, function (eventObj) {
        if (_this2.tech_.playbackRate() === 0 && _this2.tech_.seeking()) {
          _this2.queuedCallbacks_.push({
            callback: _this2['handleTech' + TECH_EVENTS_QUEUE[event] + '_'].bind(_this2),
            event: eventObj
          });
          return;
        }
        _this2['handleTech' + TECH_EVENTS_QUEUE[event] + '_'](eventObj);
      });
    });

    this.on(this.tech_, 'loadstart', this.handleTechLoadStart_);
    this.on(this.tech_, 'sourceset', this.handleTechSourceset_);
    this.on(this.tech_, 'waiting', this.handleTechWaiting_);
    this.on(this.tech_, 'ended', this.handleTechEnded_);
    this.on(this.tech_, 'seeking', this.handleTechSeeking_);
    this.on(this.tech_, 'play', this.handleTechPlay_);
    this.on(this.tech_, 'firstplay', this.handleTechFirstPlay_);
    this.on(this.tech_, 'pause', this.handleTechPause_);
    this.on(this.tech_, 'durationchange', this.handleTechDurationChange_);
    this.on(this.tech_, 'fullscreenchange', this.handleTechFullscreenChange_);
    this.on(this.tech_, 'error', this.handleTechError_);
    this.on(this.tech_, 'loadedmetadata', this.updateStyleEl_);
    this.on(this.tech_, 'posterchange', this.handleTechPosterChange_);
    this.on(this.tech_, 'textdata', this.handleTechTextData_);
    this.on(this.tech_, 'ratechange', this.handleTechRateChange_);

    this.usingNativeControls(this.techGet_('controls'));

    if (this.controls() && !this.usingNativeControls()) {
      this.addTechControlsListeners_();
    }

    // Add the tech element in the DOM if it was not already there
    // Make sure to not insert the original video element if using Html5
    if (this.tech_.el().parentNode !== this.el() && (titleTechName !== 'Html5' || !this.tag)) {
      prependTo(this.tech_.el(), this.el());
    }

    // Get rid of the original video tag reference after the first tech is loaded
    if (this.tag) {
      this.tag.player = null;
      this.tag = null;
    }
  };

  /**
   * Unload and dispose of the current playback {@link Tech}.
   *
   * @private
   */


  Player.prototype.unloadTech_ = function unloadTech_() {
    var _this3 = this;

    // Save the current text tracks so that we can reuse the same text tracks with the next tech
    ALL.names.forEach(function (name$$1) {
      var props = ALL[name$$1];

      _this3[props.privateName] = _this3[props.getterName]();
    });
    this.textTracksJson_ = textTrackConverter.textTracksToJson(this.tech_);

    this.isReady_ = false;

    this.tech_.dispose();

    this.tech_ = false;

    if (this.isPosterFromTech_) {
      this.poster_ = '';
      this.trigger('posterchange');
    }

    this.isPosterFromTech_ = false;
  };

  /**
   * Return a reference to the current {@link Tech}.
   * It will print a warning by default about the danger of using the tech directly
   * but any argument that is passed in will silence the warning.
   *
   * @param {*} [safety]
   *        Anything passed in to silence the warning
   *
   * @return {Tech}
   *         The Tech
   */


  Player.prototype.tech = function tech(safety) {
    if (safety === undefined) {
      log.warn(tsml(_templateObject$1));
    }

    return this.tech_;
  };

  /**
   * Set up click and touch listeners for the playback element
   *
   * - On desktops: a click on the video itself will toggle playback
   * - On mobile devices: a click on the video toggles controls
   *   which is done by toggling the user state between active and
   *   inactive
   * - A tap can signal that a user has become active or has become inactive
   *   e.g. a quick tap on an iPhone movie should reveal the controls. Another
   *   quick tap should hide them again (signaling the user is in an inactive
   *   viewing state)
   * - In addition to this, we still want the user to be considered inactive after
   *   a few seconds of inactivity.
   *
   * > Note: the only part of iOS interaction we can't mimic with this setup
   * is a touch and hold on the video element counting as activity in order to
   * keep the controls showing, but that shouldn't be an issue. A touch and hold
   * on any controls will still keep the user active
   *
   * @private
   */


  Player.prototype.addTechControlsListeners_ = function addTechControlsListeners_() {
    // Make sure to remove all the previous listeners in case we are called multiple times.
    this.removeTechControlsListeners_();

    // Some browsers (Chrome & IE) don't trigger a click on a flash swf, but do
    // trigger mousedown/up.
    // http://stackoverflow.com/questions/1444562/javascript-onclick-event-over-flash-object
    // Any touch events are set to block the mousedown event from happening
    this.on(this.tech_, 'mousedown', this.handleTechClick_);

    // If the controls were hidden we don't want that to change without a tap event
    // so we'll check if the controls were already showing before reporting user
    // activity
    this.on(this.tech_, 'touchstart', this.handleTechTouchStart_);
    this.on(this.tech_, 'touchmove', this.handleTechTouchMove_);
    this.on(this.tech_, 'touchend', this.handleTechTouchEnd_);

    // The tap listener needs to come after the touchend listener because the tap
    // listener cancels out any reportedUserActivity when setting userActive(false)
    this.on(this.tech_, 'tap', this.handleTechTap_);
  };

  /**
   * Remove the listeners used for click and tap controls. This is needed for
   * toggling to controls disabled, where a tap/touch should do nothing.
   *
   * @private
   */


  Player.prototype.removeTechControlsListeners_ = function removeTechControlsListeners_() {
    // We don't want to just use `this.off()` because there might be other needed
    // listeners added by techs that extend this.
    this.off(this.tech_, 'tap', this.handleTechTap_);
    this.off(this.tech_, 'touchstart', this.handleTechTouchStart_);
    this.off(this.tech_, 'touchmove', this.handleTechTouchMove_);
    this.off(this.tech_, 'touchend', this.handleTechTouchEnd_);
    this.off(this.tech_, 'mousedown', this.handleTechClick_);
  };

  /**
   * Player waits for the tech to be ready
   *
   * @private
   */


  Player.prototype.handleTechReady_ = function handleTechReady_() {
    this.triggerReady();

    // Keep the same volume as before
    if (this.cache_.volume) {
      this.techCall_('setVolume', this.cache_.volume);
    }

    // Look if the tech found a higher resolution poster while loading
    this.handleTechPosterChange_();

    // Update the duration if available
    this.handleTechDurationChange_();

    // Chrome and Safari both have issues with autoplay.
    // In Safari (5.1.1), when we move the video element into the container div, autoplay doesn't work.
    // In Chrome (15), if you have autoplay + a poster + no controls, the video gets hidden (but audio plays)
    // This fixes both issues. Need to wait for API, so it updates displays correctly
    if ((this.src() || this.currentSrc()) && this.tag && this.options_.autoplay && this.paused()) {
      try {
        // Chrome Fix. Fixed in Chrome v16.
        delete this.tag.poster;
      } catch (e) {
        log('deleting tag.poster throws in some browsers', e);
      }
    }
  };

  /**
   * Retrigger the `loadstart` event that was triggered by the {@link Tech}. This
   * function will also trigger {@link Player#firstplay} if it is the first loadstart
   * for a video.
   *
   * @fires Player#loadstart
   * @fires Player#firstplay
   * @listens Tech#loadstart
   * @private
   */


  Player.prototype.handleTechLoadStart_ = function handleTechLoadStart_() {
    // TODO: Update to use `emptied` event instead. See #1277.

    this.removeClass('vjs-ended');
    this.removeClass('vjs-seeking');

    // reset the error state
    this.error(null);

    // If it's already playing we want to trigger a firstplay event now.
    // The firstplay event relies on both the play and loadstart events
    // which can happen in any order for a new source
    if (!this.paused()) {
      /**
       * Fired when the user agent begins looking for media data
       *
       * @event Player#loadstart
       * @type {EventTarget~Event}
       */
      this.trigger('loadstart');
      this.trigger('firstplay');
    } else {
      // reset the hasStarted state
      this.hasStarted(false);
      this.trigger('loadstart');
    }

    // autoplay happens after loadstart for the browser,
    // so we mimic that behavior
    this.manualAutoplay_(this.autoplay());
  };

  /**
   * Handle autoplay string values, rather than the typical boolean
   * values that should be handled by the tech. Note that this is not
   * part of any specification. Valid values and what they do can be
   * found on the autoplay getter at Player#autoplay()
   */


  Player.prototype.manualAutoplay_ = function manualAutoplay_(type) {
    var _this4 = this;

    if (!this.tech_ || typeof type !== 'string') {
      return;
    }

    var muted = function muted() {
      var previouslyMuted = _this4.muted();

      _this4.muted(true);

      var playPromise = _this4.play();

      if (!playPromise || !playPromise.then || !playPromise['catch']) {
        return;
      }

      return playPromise['catch'](function (e) {
        // restore old value of muted on failure
        _this4.muted(previouslyMuted);
      });
    };

    var promise = void 0;

    if (type === 'any') {
      promise = this.play();

      if (promise && promise.then && promise['catch']) {
        promise['catch'](function () {
          return muted();
        });
      }
    } else if (type === 'muted') {
      promise = muted();
    } else {
      promise = this.play();
    }

    if (!promise || !promise.then || !promise['catch']) {
      return;
    }

    return promise.then(function () {
      _this4.trigger({ type: 'autoplay-success', autoplay: type });
    })['catch'](function (e) {
      _this4.trigger({ type: 'autoplay-failure', autoplay: type });
    });
  };

  /**
   * Update the internal source caches so that we return the correct source from
   * `src()`, `currentSource()`, and `currentSources()`.
   *
   * > Note: `currentSources` will not be updated if the source that is passed in exists
   *         in the current `currentSources` cache.
   *
   *
   * @param {Tech~SourceObject} srcObj
   *        A string or object source to update our caches to.
   */


  Player.prototype.updateSourceCaches_ = function updateSourceCaches_() {
    var srcObj = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : '';


    var src = srcObj;
    var type = '';

    if (typeof src !== 'string') {
      src = srcObj.src;
      type = srcObj.type;
    }

    // make sure all the caches are set to default values
    // to prevent null checking
    this.cache_.source = this.cache_.source || {};
    this.cache_.sources = this.cache_.sources || [];

    // try to get the type of the src that was passed in
    if (src && !type) {
      type = findMimetype(this, src);
    }

    // update `currentSource` cache always
    this.cache_.source = mergeOptions({}, srcObj, { src: src, type: type });

    var matchingSources = this.cache_.sources.filter(function (s) {
      return s.src && s.src === src;
    });
    var sourceElSources = [];
    var sourceEls = this.$$('source');
    var matchingSourceEls = [];

    for (var i = 0; i < sourceEls.length; i++) {
      var sourceObj = getAttributes(sourceEls[i]);

      sourceElSources.push(sourceObj);

      if (sourceObj.src && sourceObj.src === src) {
        matchingSourceEls.push(sourceObj.src);
      }
    }

    // if we have matching source els but not matching sources
    // the current source cache is not up to date
    if (matchingSourceEls.length && !matchingSources.length) {
      this.cache_.sources = sourceElSources;
      // if we don't have matching source or source els set the
      // sources cache to the `currentSource` cache
    } else if (!matchingSources.length) {
      this.cache_.sources = [this.cache_.source];
    }

    // update the tech `src` cache
    this.cache_.src = src;
  };

  /**
   * *EXPERIMENTAL* Fired when the source is set or changed on the {@link Tech}
   * causing the media element to reload.
   *
   * It will fire for the initial source and each subsequent source.
   * This event is a custom event from Video.js and is triggered by the {@link Tech}.
   *
   * The event object for this event contains a `src` property that will contain the source
   * that was available when the event was triggered. This is generally only necessary if Video.js
   * is switching techs while the source was being changed.
   *
   * It is also fired when `load` is called on the player (or media element)
   * because the {@link https://html.spec.whatwg.org/multipage/media.html#dom-media-load|specification for `load`}
   * says that the resource selection algorithm needs to be aborted and restarted.
   * In this case, it is very likely that the `src` property will be set to the
   * empty string `""` to indicate we do not know what the source will be but
   * that it is changing.
   *
   * *This event is currently still experimental and may change in minor releases.*
   * __To use this, pass `enableSourceset` option to the player.__
   *
   * @event Player#sourceset
   * @type {EventTarget~Event}
   * @prop {string} src
   *                The source url available when the `sourceset` was triggered.
   *                It will be an empty string if we cannot know what the source is
   *                but know that the source will change.
   */
  /**
   * Retrigger the `sourceset` event that was triggered by the {@link Tech}.
   *
   * @fires Player#sourceset
   * @listens Tech#sourceset
   * @private
   */


  Player.prototype.handleTechSourceset_ = function handleTechSourceset_(event) {
    var _this5 = this;

    // only update the source cache when the source
    // was not updated using the player api
    if (!this.changingSrc_) {
      var updateSourceCaches = function updateSourceCaches(src) {
        return _this5.updateSourceCaches_(src);
      };
      var playerSrc = this.currentSource().src;
      var eventSrc = event.src;

      // if we have a playerSrc that is not a blob, and a tech src that is a blob
      if (playerSrc && !/^blob:/.test(playerSrc) && /^blob:/.test(eventSrc)) {

        // if both the tech source and the player source were updated we assume
        // something like @videojs/http-streaming did the sourceset and skip updating the source cache.
        if (!this.lastSource_ || this.lastSource_.tech !== eventSrc && this.lastSource_.player !== playerSrc) {
          updateSourceCaches = function updateSourceCaches() {};
        }
      }

      // update the source to the intial source right away
      // in some cases this will be empty string
      updateSourceCaches(eventSrc);

      // if the `sourceset` `src` was an empty string
      // wait for a `loadstart` to update the cache to `currentSrc`.
      // If a sourceset happens before a `loadstart`, we reset the state
      // as this function will be called again.
      if (!event.src) {
        var updateCache = function updateCache(e) {
          if (e.type !== 'sourceset') {
            var techSrc = _this5.techGet('currentSrc');

            _this5.lastSource_.tech = techSrc;
            _this5.updateSourceCaches_(techSrc);
          }

          _this5.tech_.off(['sourceset', 'loadstart'], updateCache);
        };

        this.tech_.one(['sourceset', 'loadstart'], updateCache);
      }
    }
    this.lastSource_ = { player: this.currentSource().src, tech: event.src };

    this.trigger({
      src: event.src,
      type: 'sourceset'
    });
  };

  /**
   * Add/remove the vjs-has-started class
   *
   * @fires Player#firstplay
   *
   * @param {boolean} request
   *        - true: adds the class
   *        - false: remove the class
   *
   * @return {boolean}
   *         the boolean value of hasStarted_
   */


  Player.prototype.hasStarted = function hasStarted(request) {
    if (request === undefined) {
      // act as getter, if we have no request to change
      return this.hasStarted_;
    }

    if (request === this.hasStarted_) {
      return;
    }

    this.hasStarted_ = request;

    if (this.hasStarted_) {
      this.addClass('vjs-has-started');
      this.trigger('firstplay');
    } else {
      this.removeClass('vjs-has-started');
    }
  };

  /**
   * Fired whenever the media begins or resumes playback
   *
   * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#dom-media-play}
   * @fires Player#play
   * @listens Tech#play
   * @private
   */


  Player.prototype.handleTechPlay_ = function handleTechPlay_() {
    this.removeClass('vjs-ended');
    this.removeClass('vjs-paused');
    this.addClass('vjs-playing');

    // hide the poster when the user hits play
    this.hasStarted(true);
    /**
     * Triggered whenever an {@link Tech#play} event happens. Indicates that
     * playback has started or resumed.
     *
     * @event Player#play
     * @type {EventTarget~Event}
     */
    this.trigger('play');
  };

  /**
   * Retrigger the `ratechange` event that was triggered by the {@link Tech}.
   *
   * If there were any events queued while the playback rate was zero, fire
   * those events now.
   *
   * @private
   * @method Player#handleTechRateChange_
   * @fires Player#ratechange
   * @listens Tech#ratechange
   */


  Player.prototype.handleTechRateChange_ = function handleTechRateChange_() {
    if (this.tech_.playbackRate() > 0 && this.cache_.lastPlaybackRate === 0) {
      this.queuedCallbacks_.forEach(function (queued) {
        return queued.callback(queued.event);
      });
      this.queuedCallbacks_ = [];
    }
    this.cache_.lastPlaybackRate = this.tech_.playbackRate();
    /**
     * Fires when the playing speed of the audio/video is changed
     *
     * @event Player#ratechange
     * @type {event}
     */
    this.trigger('ratechange');
  };

  /**
   * Retrigger the `waiting` event that was triggered by the {@link Tech}.
   *
   * @fires Player#waiting
   * @listens Tech#waiting
   * @private
   */


  Player.prototype.handleTechWaiting_ = function handleTechWaiting_() {
    var _this6 = this;

    this.addClass('vjs-waiting');
    /**
     * A readyState change on the DOM element has caused playback to stop.
     *
     * @event Player#waiting
     * @type {EventTarget~Event}
     */
    this.trigger('waiting');
    this.one('timeupdate', function () {
      return _this6.removeClass('vjs-waiting');
    });
  };

  /**
   * Retrigger the `canplay` event that was triggered by the {@link Tech}.
   * > Note: This is not consistent between browsers. See #1351
   *
   * @fires Player#canplay
   * @listens Tech#canplay
   * @private
   */


  Player.prototype.handleTechCanPlay_ = function handleTechCanPlay_() {
    this.removeClass('vjs-waiting');
    /**
     * The media has a readyState of HAVE_FUTURE_DATA or greater.
     *
     * @event Player#canplay
     * @type {EventTarget~Event}
     */
    this.trigger('canplay');
  };

  /**
   * Retrigger the `canplaythrough` event that was triggered by the {@link Tech}.
   *
   * @fires Player#canplaythrough
   * @listens Tech#canplaythrough
   * @private
   */


  Player.prototype.handleTechCanPlayThrough_ = function handleTechCanPlayThrough_() {
    this.removeClass('vjs-waiting');
    /**
     * The media has a readyState of HAVE_ENOUGH_DATA or greater. This means that the
     * entire media file can be played without buffering.
     *
     * @event Player#canplaythrough
     * @type {EventTarget~Event}
     */
    this.trigger('canplaythrough');
  };

  /**
   * Retrigger the `playing` event that was triggered by the {@link Tech}.
   *
   * @fires Player#playing
   * @listens Tech#playing
   * @private
   */


  Player.prototype.handleTechPlaying_ = function handleTechPlaying_() {
    this.removeClass('vjs-waiting');
    /**
     * The media is no longer blocked from playback, and has started playing.
     *
     * @event Player#playing
     * @type {EventTarget~Event}
     */
    this.trigger('playing');
  };

  /**
   * Retrigger the `seeking` event that was triggered by the {@link Tech}.
   *
   * @fires Player#seeking
   * @listens Tech#seeking
   * @private
   */


  Player.prototype.handleTechSeeking_ = function handleTechSeeking_() {
    this.addClass('vjs-seeking');
    /**
     * Fired whenever the player is jumping to a new time
     *
     * @event Player#seeking
     * @type {EventTarget~Event}
     */
    this.trigger('seeking');
  };

  /**
   * Retrigger the `seeked` event that was triggered by the {@link Tech}.
   *
   * @fires Player#seeked
   * @listens Tech#seeked
   * @private
   */


  Player.prototype.handleTechSeeked_ = function handleTechSeeked_() {
    this.removeClass('vjs-seeking');
    /**
     * Fired when the player has finished jumping to a new time
     *
     * @event Player#seeked
     * @type {EventTarget~Event}
     */
    this.trigger('seeked');
  };

  /**
   * Retrigger the `firstplay` event that was triggered by the {@link Tech}.
   *
   * @fires Player#firstplay
   * @listens Tech#firstplay
   * @deprecated As of 6.0 firstplay event is deprecated.
   *             As of 6.0 passing the `starttime` option to the player and the firstplay event are deprecated.
   * @private
   */


  Player.prototype.handleTechFirstPlay_ = function handleTechFirstPlay_() {
    // If the first starttime attribute is specified
    // then we will start at the given offset in seconds
    if (this.options_.starttime) {
      log.warn('Passing the `starttime` option to the player will be deprecated in 6.0');
      this.currentTime(this.options_.starttime);
    }

    this.addClass('vjs-has-started');
    /**
     * Fired the first time a video is played. Not part of the HLS spec, and this is
     * probably not the best implementation yet, so use sparingly. If you don't have a
     * reason to prevent playback, use `myPlayer.one('play');` instead.
     *
     * @event Player#firstplay
     * @deprecated As of 6.0 firstplay event is deprecated.
     * @type {EventTarget~Event}
     */
    this.trigger('firstplay');
  };

  /**
   * Retrigger the `pause` event that was triggered by the {@link Tech}.
   *
   * @fires Player#pause
   * @listens Tech#pause
   * @private
   */


  Player.prototype.handleTechPause_ = function handleTechPause_() {
    this.removeClass('vjs-playing');
    this.addClass('vjs-paused');
    /**
     * Fired whenever the media has been paused
     *
     * @event Player#pause
     * @type {EventTarget~Event}
     */
    this.trigger('pause');
  };

  /**
   * Retrigger the `ended` event that was triggered by the {@link Tech}.
   *
   * @fires Player#ended
   * @listens Tech#ended
   * @private
   */


  Player.prototype.handleTechEnded_ = function handleTechEnded_() {
    this.addClass('vjs-ended');
    if (this.options_.loop) {
      this.currentTime(0);
      this.play();
    } else if (!this.paused()) {
      this.pause();
    }

    /**
     * Fired when the end of the media resource is reached (currentTime == duration)
     *
     * @event Player#ended
     * @type {EventTarget~Event}
     */
    this.trigger('ended');
  };

  /**
   * Fired when the duration of the media resource is first known or changed
   *
   * @listens Tech#durationchange
   * @private
   */


  Player.prototype.handleTechDurationChange_ = function handleTechDurationChange_() {
    this.duration(this.techGet_('duration'));
  };

  /**
   * Handle a click on the media element to play/pause
   *
   * @param {EventTarget~Event} event
   *        the event that caused this function to trigger
   *
   * @listens Tech#mousedown
   * @private
   */


  Player.prototype.handleTechClick_ = function handleTechClick_(event) {
    if (!isSingleLeftClick(event)) {
      return;
    }

    // When controls are disabled a click should not toggle playback because
    // the click is considered a control
    if (!this.controls_) {
      return;
    }

    if (this.paused()) {
      silencePromise(this.play());
    } else {
      this.pause();
    }
  };

  /**
   * Handle a tap on the media element. It will toggle the user
   * activity state, which hides and shows the controls.
   *
   * @listens Tech#tap
   * @private
   */


  Player.prototype.handleTechTap_ = function handleTechTap_() {
    this.userActive(!this.userActive());
  };

  /**
   * Handle touch to start
   *
   * @listens Tech#touchstart
   * @private
   */


  Player.prototype.handleTechTouchStart_ = function handleTechTouchStart_() {
    this.userWasActive = this.userActive();
  };

  /**
   * Handle touch to move
   *
   * @listens Tech#touchmove
   * @private
   */


  Player.prototype.handleTechTouchMove_ = function handleTechTouchMove_() {
    if (this.userWasActive) {
      this.reportUserActivity();
    }
  };

  /**
   * Handle touch to end
   *
   * @param {EventTarget~Event} event
   *        the touchend event that triggered
   *        this function
   *
   * @listens Tech#touchend
   * @private
   */


  Player.prototype.handleTechTouchEnd_ = function handleTechTouchEnd_(event) {
    // Stop the mouse events from also happening
    event.preventDefault();
  };

  /**
   * Fired when the player switches in or out of fullscreen mode
   *
   * @private
   * @listens Player#fullscreenchange
   */


  Player.prototype.handleFullscreenChange_ = function handleFullscreenChange_() {
    if (this.isFullscreen()) {
      this.addClass('vjs-fullscreen');
    } else {
      this.removeClass('vjs-fullscreen');
    }
  };

  /**
   * native click events on the SWF aren't triggered on IE11, Win8.1RT
   * use stageclick events triggered from inside the SWF instead
   *
   * @private
   * @listens stageclick
   */


  Player.prototype.handleStageClick_ = function handleStageClick_() {
    this.reportUserActivity();
  };

  /**
   * Handle Tech Fullscreen Change
   *
   * @param {EventTarget~Event} event
   *        the fullscreenchange event that triggered this function
   *
   * @param {Object} data
   *        the data that was sent with the event
   *
   * @private
   * @listens Tech#fullscreenchange
   * @fires Player#fullscreenchange
   */


  Player.prototype.handleTechFullscreenChange_ = function handleTechFullscreenChange_(event, data) {
    if (data) {
      this.isFullscreen(data.isFullscreen);
    }
    /**
     * Fired when going in and out of fullscreen.
     *
     * @event Player#fullscreenchange
     * @type {EventTarget~Event}
     */
    this.trigger('fullscreenchange');
  };

  /**
   * Fires when an error occurred during the loading of an audio/video.
   *
   * @private
   * @listens Tech#error
   */


  Player.prototype.handleTechError_ = function handleTechError_() {
    var error = this.tech_.error();

    this.error(error);
  };

  /**
   * Retrigger the `textdata` event that was triggered by the {@link Tech}.
   *
   * @fires Player#textdata
   * @listens Tech#textdata
   * @private
   */


  Player.prototype.handleTechTextData_ = function handleTechTextData_() {
    var data = null;

    if (arguments.length > 1) {
      data = arguments[1];
    }

    /**
     * Fires when we get a textdata event from tech
     *
     * @event Player#textdata
     * @type {EventTarget~Event}
     */
    this.trigger('textdata', data);
  };

  /**
   * Get object for cached values.
   *
   * @return {Object}
   *         get the current object cache
   */


  Player.prototype.getCache = function getCache() {
    return this.cache_;
  };

  /**
   * Pass values to the playback tech
   *
   * @param {string} [method]
   *        the method to call
   *
   * @param {Object} arg
   *        the argument to pass
   *
   * @private
   */


  Player.prototype.techCall_ = function techCall_(method, arg) {
    // If it's not ready yet, call method when it is

    this.ready(function () {
      if (method in allowedSetters) {
        return set$1(this.middleware_, this.tech_, method, arg);
      } else if (method in allowedMediators) {
        return mediate(this.middleware_, this.tech_, method, arg);
      }

      try {
        if (this.tech_) {
          this.tech_[method](arg);
        }
      } catch (e) {
        log(e);
        throw e;
      }
    }, true);
  };

  /**
   * Get calls can't wait for the tech, and sometimes don't need to.
   *
   * @param {string} method
   *        Tech method
   *
   * @return {Function|undefined}
   *         the method or undefined
   *
   * @private
   */


  Player.prototype.techGet_ = function techGet_(method) {
    if (!this.tech_ || !this.tech_.isReady_) {
      return;
    }

    if (method in allowedGetters) {
      return get$1(this.middleware_, this.tech_, method);
    } else if (method in allowedMediators) {
      return mediate(this.middleware_, this.tech_, method);
    }

    // Flash likes to die and reload when you hide or reposition it.
    // In these cases the object methods go away and we get errors.
    // When that happens we'll catch the errors and inform tech that it's not ready any more.
    try {
      return this.tech_[method]();
    } catch (e) {

      // When building additional tech libs, an expected method may not be defined yet
      if (this.tech_[method] === undefined) {
        log('Video.js: ' + method + ' method not defined for ' + this.techName_ + ' playback technology.', e);
        throw e;
      }

      // When a method isn't available on the object it throws a TypeError
      if (e.name === 'TypeError') {
        log('Video.js: ' + method + ' unavailable on ' + this.techName_ + ' playback technology element.', e);
        this.tech_.isReady_ = false;
        throw e;
      }

      // If error unknown, just log and throw
      log(e);
      throw e;
    }
  };

  /**
   * Attempt to begin playback at the first opportunity.
   *
   * @return {Promise|undefined}
   *         Returns a promise if the browser supports Promises (or one
   *         was passed in as an option). This promise will be resolved on
   *         the return value of play. If this is undefined it will fulfill the
   *         promise chain otherwise the promise chain will be fulfilled when
   *         the promise from play is fulfilled.
   */


  Player.prototype.play = function play() {
    var _this7 = this;

    var PromiseClass = this.options_.Promise || window.Promise;

    if (PromiseClass) {
      return new PromiseClass(function (resolve) {
        _this7.play_(resolve);
      });
    }

    return this.play_();
  };

  /**
   * The actual logic for play, takes a callback that will be resolved on the
   * return value of play. This allows us to resolve to the play promise if there
   * is one on modern browsers.
   *
   * @private
   * @param {Function} [callback]
   *        The callback that should be called when the techs play is actually called
   */


  Player.prototype.play_ = function play_() {
    var _this8 = this;

    var callback = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : silencePromise;

    // If this is called while we have a play queued up on a loadstart, remove
    // that listener to avoid getting in a potentially bad state.
    if (this.playOnLoadstart_) {
      this.off('loadstart', this.playOnLoadstart_);
    }

    // If the player/tech is not ready, queue up another call to `play()` for
    // when it is. This will loop back into this method for another attempt at
    // playback when the tech is ready.
    if (!this.isReady_) {

      // Bail out if we're already waiting for `ready`!
      if (this.playWaitingForReady_) {
        return;
      }

      this.playWaitingForReady_ = true;
      this.ready(function () {
        _this8.playWaitingForReady_ = false;
        callback(_this8.play());
      });

      // If the player/tech is ready and we have a source, we can attempt playback.
    } else if (!this.changingSrc_ && (this.src() || this.currentSrc())) {
      callback(this.techGet_('play'));
      return;

      // If the tech is ready, but we do not have a source, we'll need to wait
      // for both the `ready` and a `loadstart` when the source is finally
      // resolved by middleware and set on the player.
      //
      // This can happen if `play()` is called while changing sources or before
      // one has been set on the player.
    } else {

      this.playOnLoadstart_ = function () {
        _this8.playOnLoadstart_ = null;
        callback(_this8.play());
      };

      this.one('loadstart', this.playOnLoadstart_);
    }
  };

  /**
   * Pause the video playback
   *
   * @return {Player}
   *         A reference to the player object this function was called on
   */


  Player.prototype.pause = function pause() {
    this.techCall_('pause');
  };

  /**
   * Check if the player is paused or has yet to play
   *
   * @return {boolean}
   *         - false: if the media is currently playing
   *         - true: if media is not currently playing
   */


  Player.prototype.paused = function paused() {
    // The initial state of paused should be true (in Safari it's actually false)
    return this.techGet_('paused') === false ? false : true;
  };

  /**
   * Get a TimeRange object representing the current ranges of time that the user
   * has played.
   *
   * @return {TimeRange}
   *         A time range object that represents all the increments of time that have
   *         been played.
   */


  Player.prototype.played = function played() {
    return this.techGet_('played') || createTimeRanges(0, 0);
  };

  /**
   * Returns whether or not the user is "scrubbing". Scrubbing is
   * when the user has clicked the progress bar handle and is
   * dragging it along the progress bar.
   *
   * @param {boolean} [isScrubbing]
   *        wether the user is or is not scrubbing
   *
   * @return {boolean}
   *         The value of scrubbing when getting
   */


  Player.prototype.scrubbing = function scrubbing(isScrubbing) {
    if (typeof isScrubbing === 'undefined') {
      return this.scrubbing_;
    }
    this.scrubbing_ = !!isScrubbing;

    if (isScrubbing) {
      this.addClass('vjs-scrubbing');
    } else {
      this.removeClass('vjs-scrubbing');
    }
  };

  /**
   * Get or set the current time (in seconds)
   *
   * @param {number|string} [seconds]
   *        The time to seek to in seconds
   *
   * @return {number}
   *         - the current time in seconds when getting
   */


  Player.prototype.currentTime = function currentTime(seconds) {
    if (typeof seconds !== 'undefined') {
      if (seconds < 0) {
        seconds = 0;
      }
      this.techCall_('setCurrentTime', seconds);
      return;
    }

    // cache last currentTime and return. default to 0 seconds
    //
    // Caching the currentTime is meant to prevent a massive amount of reads on the tech's
    // currentTime when scrubbing, but may not provide much performance benefit afterall.
    // Should be tested. Also something has to read the actual current time or the cache will
    // never get updated.
    this.cache_.currentTime = this.techGet_('currentTime') || 0;
    return this.cache_.currentTime;
  };

  /**
   * Normally gets the length in time of the video in seconds;
   * in all but the rarest use cases an argument will NOT be passed to the method
   *
   * > **NOTE**: The video must have started loading before the duration can be
   * known, and in the case of Flash, may not be known until the video starts
   * playing.
   *
   * @fires Player#durationchange
   *
   * @param {number} [seconds]
   *        The duration of the video to set in seconds
   *
   * @return {number}
   *         - The duration of the video in seconds when getting
   */


  Player.prototype.duration = function duration(seconds) {
    if (seconds === undefined) {
      // return NaN if the duration is not known
      return this.cache_.duration !== undefined ? this.cache_.duration : NaN;
    }

    seconds = parseFloat(seconds);

    // Standardize on Inifity for signaling video is live
    if (seconds < 0) {
      seconds = Infinity;
    }

    if (seconds !== this.cache_.duration) {
      // Cache the last set value for optimized scrubbing (esp. Flash)
      this.cache_.duration = seconds;

      if (seconds === Infinity) {
        this.addClass('vjs-live');
      } else {
        this.removeClass('vjs-live');
      }
      /**
       * @event Player#durationchange
       * @type {EventTarget~Event}
       */
      this.trigger('durationchange');
    }
  };

  /**
   * Calculates how much time is left in the video. Not part
   * of the native video API.
   *
   * @return {number}
   *         The time remaining in seconds
   */


  Player.prototype.remainingTime = function remainingTime() {
    return this.duration() - this.currentTime();
  };

  /**
   * A remaining time function that is intented to be used when
   * the time is to be displayed directly to the user.
   *
   * @return {number}
   *         The rounded time remaining in seconds
   */


  Player.prototype.remainingTimeDisplay = function remainingTimeDisplay() {
    return Math.floor(this.duration()) - Math.floor(this.currentTime());
  };

  //
  // Kind of like an array of portions of the video that have been downloaded.

  /**
   * Get a TimeRange object with an array of the times of the video
   * that have been downloaded. If you just want the percent of the
   * video that's been downloaded, use bufferedPercent.
   *
   * @see [Buffered Spec]{@link http://dev.w3.org/html5/spec/video.html#dom-media-buffered}
   *
   * @return {TimeRange}
   *         A mock TimeRange object (following HTML spec)
   */


  Player.prototype.buffered = function buffered() {
    var buffered = this.techGet_('buffered');

    if (!buffered || !buffered.length) {
      buffered = createTimeRanges(0, 0);
    }

    return buffered;
  };

  /**
   * Get the percent (as a decimal) of the video that's been downloaded.
   * This method is not a part of the native HTML video API.
   *
   * @return {number}
   *         A decimal between 0 and 1 representing the percent
   *         that is bufferred 0 being 0% and 1 being 100%
   */


  Player.prototype.bufferedPercent = function bufferedPercent$$1() {
    return bufferedPercent(this.buffered(), this.duration());
  };

  /**
   * Get the ending time of the last buffered time range
   * This is used in the progress bar to encapsulate all time ranges.
   *
   * @return {number}
   *         The end of the last buffered time range
   */


  Player.prototype.bufferedEnd = function bufferedEnd() {
    var buffered = this.buffered();
    var duration = this.duration();
    var end = buffered.end(buffered.length - 1);

    if (end > duration) {
      end = duration;
    }

    return end;
  };

  /**
   * Get or set the current volume of the media
   *
   * @param  {number} [percentAsDecimal]
   *         The new volume as a decimal percent:
   *         - 0 is muted/0%/off
   *         - 1.0 is 100%/full
   *         - 0.5 is half volume or 50%
   *
   * @return {number}
   *         The current volume as a percent when getting
   */


  Player.prototype.volume = function volume(percentAsDecimal) {
    var vol = void 0;

    if (percentAsDecimal !== undefined) {
      // Force value to between 0 and 1
      vol = Math.max(0, Math.min(1, parseFloat(percentAsDecimal)));
      this.cache_.volume = vol;
      this.techCall_('setVolume', vol);

      if (vol > 0) {
        this.lastVolume_(vol);
      }

      return;
    }

    // Default to 1 when returning current volume.
    vol = parseFloat(this.techGet_('volume'));
    return isNaN(vol) ? 1 : vol;
  };

  /**
   * Get the current muted state, or turn mute on or off
   *
   * @param {boolean} [muted]
   *        - true to mute
   *        - false to unmute
   *
   * @return {boolean}
   *         - true if mute is on and getting
   *         - false if mute is off and getting
   */


  Player.prototype.muted = function muted(_muted) {
    if (_muted !== undefined) {
      this.techCall_('setMuted', _muted);
      return;
    }
    return this.techGet_('muted') || false;
  };

  /**
   * Get the current defaultMuted state, or turn defaultMuted on or off. defaultMuted
   * indicates the state of muted on intial playback.
   *
   * ```js
   *   var myPlayer = videojs('some-player-id');
   *
   *   myPlayer.src("http://www.example.com/path/to/video.mp4");
   *
   *   // get, should be false
   *   console.log(myPlayer.defaultMuted());
   *   // set to true
   *   myPlayer.defaultMuted(true);
   *   // get should be true
   *   console.log(myPlayer.defaultMuted());
   * ```
   *
   * @param {boolean} [defaultMuted]
   *        - true to mute
   *        - false to unmute
   *
   * @return {boolean|Player}
   *         - true if defaultMuted is on and getting
   *         - false if defaultMuted is off and getting
   *         - A reference to the current player when setting
   */


  Player.prototype.defaultMuted = function defaultMuted(_defaultMuted) {
    if (_defaultMuted !== undefined) {
      return this.techCall_('setDefaultMuted', _defaultMuted);
    }
    return this.techGet_('defaultMuted') || false;
  };

  /**
   * Get the last volume, or set it
   *
   * @param  {number} [percentAsDecimal]
   *         The new last volume as a decimal percent:
   *         - 0 is muted/0%/off
   *         - 1.0 is 100%/full
   *         - 0.5 is half volume or 50%
   *
   * @return {number}
   *         the current value of lastVolume as a percent when getting
   *
   * @private
   */


  Player.prototype.lastVolume_ = function lastVolume_(percentAsDecimal) {
    if (percentAsDecimal !== undefined && percentAsDecimal !== 0) {
      this.cache_.lastVolume = percentAsDecimal;
      return;
    }
    return this.cache_.lastVolume;
  };

  /**
   * Check if current tech can support native fullscreen
   * (e.g. with built in controls like iOS, so not our flash swf)
   *
   * @return {boolean}
   *         if native fullscreen is supported
   */


  Player.prototype.supportsFullScreen = function supportsFullScreen() {
    return this.techGet_('supportsFullScreen') || false;
  };

  /**
   * Check if the player is in fullscreen mode or tell the player that it
   * is or is not in fullscreen mode.
   *
   * > NOTE: As of the latest HTML5 spec, isFullscreen is no longer an official
   * property and instead document.fullscreenElement is used. But isFullscreen is
   * still a valuable property for internal player workings.
   *
   * @param  {boolean} [isFS]
   *         Set the players current fullscreen state
   *
   * @return {boolean}
   *         - true if fullscreen is on and getting
   *         - false if fullscreen is off and getting
   */


  Player.prototype.isFullscreen = function isFullscreen(isFS) {
    if (isFS !== undefined) {
      this.isFullscreen_ = !!isFS;
      return;
    }
    return !!this.isFullscreen_;
  };

  /**
   * Increase the size of the video to full screen
   * In some browsers, full screen is not supported natively, so it enters
   * "full window mode", where the video fills the browser window.
   * In browsers and devices that support native full screen, sometimes the
   * browser's default controls will be shown, and not the Video.js custom skin.
   * This includes most mobile devices (iOS, Android) and older versions of
   * Safari.
   *
   * @fires Player#fullscreenchange
   */


  Player.prototype.requestFullscreen = function requestFullscreen() {
    var fsApi = FullscreenApi;

    this.isFullscreen(true);

    if (fsApi.requestFullscreen) {
      // the browser supports going fullscreen at the element level so we can
      // take the controls fullscreen as well as the video

      // Trigger fullscreenchange event after change
      // We have to specifically add this each time, and remove
      // when canceling fullscreen. Otherwise if there's multiple
      // players on a page, they would all be reacting to the same fullscreen
      // events
      on(document, fsApi.fullscreenchange, bind(this, function documentFullscreenChange(e) {
        this.isFullscreen(document[fsApi.fullscreenElement]);

        // If cancelling fullscreen, remove event listener.
        if (this.isFullscreen() === false) {
          off(document, fsApi.fullscreenchange, documentFullscreenChange);
        }
        /**
         * @event Player#fullscreenchange
         * @type {EventTarget~Event}
         */
        this.trigger('fullscreenchange');
      }));

      this.el_[fsApi.requestFullscreen]();
    } else if (this.tech_.supportsFullScreen()) {
      // we can't take the video.js controls fullscreen but we can go fullscreen
      // with native controls
      this.techCall_('enterFullScreen');
    } else {
      // fullscreen isn't supported so we'll just stretch the video element to
      // fill the viewport
      this.enterFullWindow();
      /**
       * @event Player#fullscreenchange
       * @type {EventTarget~Event}
       */
      this.trigger('fullscreenchange');
    }
  };

  /**
   * Return the video to its normal size after having been in full screen mode
   *
   * @fires Player#fullscreenchange
   */


  Player.prototype.exitFullscreen = function exitFullscreen() {
    var fsApi = FullscreenApi;

    this.isFullscreen(false);

    // Check for browser element fullscreen support
    if (fsApi.requestFullscreen) {
      document[fsApi.exitFullscreen]();
    } else if (this.tech_.supportsFullScreen()) {
      this.techCall_('exitFullScreen');
    } else {
      this.exitFullWindow();
      /**
       * @event Player#fullscreenchange
       * @type {EventTarget~Event}
       */
      this.trigger('fullscreenchange');
    }
  };

  /**
   * When fullscreen isn't supported we can stretch the
   * video container to as wide as the browser will let us.
   *
   * @fires Player#enterFullWindow
   */


  Player.prototype.enterFullWindow = function enterFullWindow() {
    this.isFullWindow = true;

    // Storing original doc overflow value to return to when fullscreen is off
    this.docOrigOverflow = document.documentElement.style.overflow;

    // Add listener for esc key to exit fullscreen
    on(document, 'keydown', bind(this, this.fullWindowOnEscKey));

    // Hide any scroll bars
    document.documentElement.style.overflow = 'hidden';

    // Apply fullscreen styles
    addClass(document.body, 'vjs-full-window');

    /**
     * @event Player#enterFullWindow
     * @type {EventTarget~Event}
     */
    this.trigger('enterFullWindow');
  };

  /**
   * Check for call to either exit full window or
   * full screen on ESC key
   *
   * @param {string} event
   *        Event to check for key press
   */


  Player.prototype.fullWindowOnEscKey = function fullWindowOnEscKey(event) {
    if (event.keyCode === 27) {
      if (this.isFullscreen() === true) {
        this.exitFullscreen();
      } else {
        this.exitFullWindow();
      }
    }
  };

  /**
   * Exit full window
   *
   * @fires Player#exitFullWindow
   */


  Player.prototype.exitFullWindow = function exitFullWindow() {
    this.isFullWindow = false;
    off(document, 'keydown', this.fullWindowOnEscKey);

    // Unhide scroll bars.
    document.documentElement.style.overflow = this.docOrigOverflow;

    // Remove fullscreen styles
    removeClass(document.body, 'vjs-full-window');

    // Resize the box, controller, and poster to original sizes
    // this.positionAll();
    /**
     * @event Player#exitFullWindow
     * @type {EventTarget~Event}
     */
    this.trigger('exitFullWindow');
  };

  /**
   * Check whether the player can play a given mimetype
   *
   * @see https://www.w3.org/TR/2011/WD-html5-20110113/video.html#dom-navigator-canplaytype
   *
   * @param {string} type
   *        The mimetype to check
   *
   * @return {string}
   *         'probably', 'maybe', or '' (empty string)
   */


  Player.prototype.canPlayType = function canPlayType(type) {
    var can = void 0;

    // Loop through each playback technology in the options order
    for (var i = 0, j = this.options_.techOrder; i < j.length; i++) {
      var techName = j[i];
      var tech = Tech.getTech(techName);

      // Support old behavior of techs being registered as components.
      // Remove once that deprecated behavior is removed.
      if (!tech) {
        tech = Component.getComponent(techName);
      }

      // Check if the current tech is defined before continuing
      if (!tech) {
        log.error('The "' + techName + '" tech is undefined. Skipped browser support check for that tech.');
        continue;
      }

      // Check if the browser supports this technology
      if (tech.isSupported()) {
        can = tech.canPlayType(type);

        if (can) {
          return can;
        }
      }
    }

    return '';
  };

  /**
   * Select source based on tech-order or source-order
   * Uses source-order selection if `options.sourceOrder` is truthy. Otherwise,
   * defaults to tech-order selection
   *
   * @param {Array} sources
   *        The sources for a media asset
   *
   * @return {Object|boolean}
   *         Object of source and tech order or false
   */


  Player.prototype.selectSource = function selectSource(sources) {
    var _this9 = this;

    // Get only the techs specified in `techOrder` that exist and are supported by the
    // current platform
    var techs = this.options_.techOrder.map(function (techName) {
      return [techName, Tech.getTech(techName)];
    }).filter(function (_ref) {
      var techName = _ref[0],
          tech = _ref[1];

      // Check if the current tech is defined before continuing
      if (tech) {
        // Check if the browser supports this technology
        return tech.isSupported();
      }

      log.error('The "' + techName + '" tech is undefined. Skipped browser support check for that tech.');
      return false;
    });

    // Iterate over each `innerArray` element once per `outerArray` element and execute
    // `tester` with both. If `tester` returns a non-falsy value, exit early and return
    // that value.
    var findFirstPassingTechSourcePair = function findFirstPassingTechSourcePair(outerArray, innerArray, tester) {
      var found = void 0;

      outerArray.some(function (outerChoice) {
        return innerArray.some(function (innerChoice) {
          found = tester(outerChoice, innerChoice);

          if (found) {
            return true;
          }
        });
      });

      return found;
    };

    var foundSourceAndTech = void 0;
    var flip = function flip(fn) {
      return function (a, b) {
        return fn(b, a);
      };
    };
    var finder = function finder(_ref2, source) {
      var techName = _ref2[0],
          tech = _ref2[1];

      if (tech.canPlaySource(source, _this9.options_[techName.toLowerCase()])) {
        return { source: source, tech: techName };
      }
    };

    // Depending on the truthiness of `options.sourceOrder`, we swap the order of techs and sources
    // to select from them based on their priority.
    if (this.options_.sourceOrder) {
      // Source-first ordering
      foundSourceAndTech = findFirstPassingTechSourcePair(sources, techs, flip(finder));
    } else {
      // Tech-first ordering
      foundSourceAndTech = findFirstPassingTechSourcePair(techs, sources, finder);
    }

    return foundSourceAndTech || false;
  };

  /**
   * Get or set the video source.
   *
   * @param {Tech~SourceObject|Tech~SourceObject[]|string} [source]
   *        A SourceObject, an array of SourceObjects, or a string referencing
   *        a URL to a media source. It is _highly recommended_ that an object
   *        or array of objects is used here, so that source selection
   *        algorithms can take the `type` into account.
   *
   *        If not provided, this method acts as a getter.
   *
   * @return {string|undefined}
   *         If the `source` argument is missing, returns the current source
   *         URL. Otherwise, returns nothing/undefined.
   */


  Player.prototype.src = function src(source) {
    var _this10 = this;

    // getter usage
    if (typeof source === 'undefined') {
      return this.cache_.src || '';
    }
    // filter out invalid sources and turn our source into
    // an array of source objects
    var sources = filterSource(source);

    // if a source was passed in then it is invalid because
    // it was filtered to a zero length Array. So we have to
    // show an error
    if (!sources.length) {
      this.setTimeout(function () {
        this.error({ code: 4, message: this.localize(this.options_.notSupportedMessage) });
      }, 0);
      return;
    }

    // intial sources
    this.changingSrc_ = true;

    this.cache_.sources = sources;
    this.updateSourceCaches_(sources[0]);

    // middlewareSource is the source after it has been changed by middleware
    setSource(this, sources[0], function (middlewareSource, mws) {
      _this10.middleware_ = mws;

      // since sourceSet is async we have to update the cache again after we select a source since
      // the source that is selected could be out of order from the cache update above this callback.
      _this10.cache_.sources = sources;
      _this10.updateSourceCaches_(middlewareSource);

      var err = _this10.src_(middlewareSource);

      if (err) {
        if (sources.length > 1) {
          return _this10.src(sources.slice(1));
        }

        _this10.changingSrc_ = false;

        // We need to wrap this in a timeout to give folks a chance to add error event handlers
        _this10.setTimeout(function () {
          this.error({ code: 4, message: this.localize(this.options_.notSupportedMessage) });
        }, 0);

        // we could not find an appropriate tech, but let's still notify the delegate that this is it
        // this needs a better comment about why this is needed
        _this10.triggerReady();

        return;
      }

      setTech(mws, _this10.tech_);
    });
  };

  /**
   * Set the source object on the tech, returns a boolean that indicates wether
   * there is a tech that can play the source or not
   *
   * @param {Tech~SourceObject} source
   *        The source object to set on the Tech
   *
   * @return {Boolean}
   *         - True if there is no Tech to playback this source
   *         - False otherwise
   *
   * @private
   */


  Player.prototype.src_ = function src_(source) {
    var _this11 = this;

    var sourceTech = this.selectSource([source]);

    if (!sourceTech) {
      return true;
    }

    if (!titleCaseEquals(sourceTech.tech, this.techName_)) {
      this.changingSrc_ = true;
      // load this technology with the chosen source
      this.loadTech_(sourceTech.tech, sourceTech.source);
      this.tech_.ready(function () {
        _this11.changingSrc_ = false;
      });
      return false;
    }

    // wait until the tech is ready to set the source
    // and set it synchronously if possible (#2326)
    this.ready(function () {

      // The setSource tech method was added with source handlers
      // so older techs won't support it
      // We need to check the direct prototype for the case where subclasses
      // of the tech do not support source handlers
      if (this.tech_.constructor.prototype.hasOwnProperty('setSource')) {
        this.techCall_('setSource', source);
      } else {
        this.techCall_('src', source.src);
      }

      this.changingSrc_ = false;
    }, true);

    return false;
  };

  /**
   * Begin loading the src data.
   */


  Player.prototype.load = function load() {
    this.techCall_('load');
  };

  /**
   * Reset the player. Loads the first tech in the techOrder,
   * removes all the text tracks in the existing `tech`,
   * and calls `reset` on the `tech`.
   */


  Player.prototype.reset = function reset() {
    if (this.tech_) {
      this.tech_.clearTracks('text');
    }
    this.loadTech_(this.options_.techOrder[0], null);
    this.techCall_('reset');
  };

  /**
   * Returns all of the current source objects.
   *
   * @return {Tech~SourceObject[]}
   *         The current source objects
   */


  Player.prototype.currentSources = function currentSources() {
    var source = this.currentSource();
    var sources = [];

    // assume `{}` or `{ src }`
    if (Object.keys(source).length !== 0) {
      sources.push(source);
    }

    return this.cache_.sources || sources;
  };

  /**
   * Returns the current source object.
   *
   * @return {Tech~SourceObject}
   *         The current source object
   */


  Player.prototype.currentSource = function currentSource() {
    return this.cache_.source || {};
  };

  /**
   * Returns the fully qualified URL of the current source value e.g. http://mysite.com/video.mp4
   * Can be used in conjuction with `currentType` to assist in rebuilding the current source object.
   *
   * @return {string}
   *         The current source
   */


  Player.prototype.currentSrc = function currentSrc() {
    return this.currentSource() && this.currentSource().src || '';
  };

  /**
   * Get the current source type e.g. video/mp4
   * This can allow you rebuild the current source object so that you could load the same
   * source and tech later
   *
   * @return {string}
   *         The source MIME type
   */


  Player.prototype.currentType = function currentType() {
    return this.currentSource() && this.currentSource().type || '';
  };

  /**
   * Get or set the preload attribute
   *
   * @param {boolean} [value]
   *        - true means that we should preload
   *        - false maens that we should not preload
   *
   * @return {string}
   *         The preload attribute value when getting
   */


  Player.prototype.preload = function preload(value) {
    if (value !== undefined) {
      this.techCall_('setPreload', value);
      this.options_.preload = value;
      return;
    }
    return this.techGet_('preload');
  };

  /**
   * Get or set the autoplay option. When this is a boolean it will
   * modify the attribute on the tech. When this is a string the attribute on
   * the tech will be removed and `Player` will handle autoplay on loadstarts.
   *
   * @param {boolean|string} [value]
   *        - true: autoplay using the browser behavior
   *        - false: do not autoplay
   *        - 'play': call play() on every loadstart
   *        - 'muted': call muted() then play() on every loadstart
   *        - 'any': call play() on every loadstart. if that fails call muted() then play().
   *        - *: values other than those listed here will be set `autoplay` to true
   *
   * @return {boolean|string}
   *         The current value of autoplay when getting
   */


  Player.prototype.autoplay = function autoplay(value) {
    // getter usage
    if (value === undefined) {
      return this.options_.autoplay || false;
    }

    var techAutoplay = void 0;

    // if the value is a valid string set it to that
    if (typeof value === 'string' && /(any|play|muted)/.test(value)) {
      this.options_.autoplay = value;
      this.manualAutoplay_(value);
      techAutoplay = false;

      // any falsy value sets autoplay to false in the browser,
      // lets do the same
    } else if (!value) {
      this.options_.autoplay = false;

      // any other value (ie truthy) sets autoplay to true
    } else {
      this.options_.autoplay = true;
    }

    techAutoplay = techAutoplay || this.options_.autoplay;

    // if we don't have a tech then we do not queue up
    // a setAutoplay call on tech ready. We do this because the
    // autoplay option will be passed in the constructor and we
    // do not need to set it twice
    if (this.tech_) {
      this.techCall_('setAutoplay', techAutoplay);
    }
  };

  /**
   * Set or unset the playsinline attribute.
   * Playsinline tells the browser that non-fullscreen playback is preferred.
   *
   * @param {boolean} [value]
   *        - true means that we should try to play inline by default
   *        - false means that we should use the browser's default playback mode,
   *          which in most cases is inline. iOS Safari is a notable exception
   *          and plays fullscreen by default.
   *
   * @return {string|Player}
   *         - the current value of playsinline
   *         - the player when setting
   *
   * @see [Spec]{@link https://html.spec.whatwg.org/#attr-video-playsinline}
   */


  Player.prototype.playsinline = function playsinline(value) {
    if (value !== undefined) {
      this.techCall_('setPlaysinline', value);
      this.options_.playsinline = value;
      return this;
    }
    return this.techGet_('playsinline');
  };

  /**
   * Get or set the loop attribute on the video element.
   *
   * @param {boolean} [value]
   *        - true means that we should loop the video
   *        - false means that we should not loop the video
   *
   * @return {string}
   *         The current value of loop when getting
   */


  Player.prototype.loop = function loop(value) {
    if (value !== undefined) {
      this.techCall_('setLoop', value);
      this.options_.loop = value;
      return;
    }
    return this.techGet_('loop');
  };

  /**
   * Get or set the poster image source url
   *
   * @fires Player#posterchange
   *
   * @param {string} [src]
   *        Poster image source URL
   *
   * @return {string}
   *         The current value of poster when getting
   */


  Player.prototype.poster = function poster(src) {
    if (src === undefined) {
      return this.poster_;
    }

    // The correct way to remove a poster is to set as an empty string
    // other falsey values will throw errors
    if (!src) {
      src = '';
    }

    if (src === this.poster_) {
      return;
    }

    // update the internal poster variable
    this.poster_ = src;

    // update the tech's poster
    this.techCall_('setPoster', src);

    this.isPosterFromTech_ = false;

    // alert components that the poster has been set
    /**
     * This event fires when the poster image is changed on the player.
     *
     * @event Player#posterchange
     * @type {EventTarget~Event}
     */
    this.trigger('posterchange');
  };

  /**
   * Some techs (e.g. YouTube) can provide a poster source in an
   * asynchronous way. We want the poster component to use this
   * poster source so that it covers up the tech's controls.
   * (YouTube's play button). However we only want to use this
   * source if the player user hasn't set a poster through
   * the normal APIs.
   *
   * @fires Player#posterchange
   * @listens Tech#posterchange
   * @private
   */


  Player.prototype.handleTechPosterChange_ = function handleTechPosterChange_() {
    if ((!this.poster_ || this.options_.techCanOverridePoster) && this.tech_ && this.tech_.poster) {
      var newPoster = this.tech_.poster() || '';

      if (newPoster !== this.poster_) {
        this.poster_ = newPoster;
        this.isPosterFromTech_ = true;

        // Let components know the poster has changed
        this.trigger('posterchange');
      }
    }
  };

  /**
   * Get or set whether or not the controls are showing.
   *
   * @fires Player#controlsenabled
   *
   * @param {boolean} [bool]
   *        - true to turn controls on
   *        - false to turn controls off
   *
   * @return {boolean}
   *         The current value of controls when getting
   */


  Player.prototype.controls = function controls(bool) {
    if (bool === undefined) {
      return !!this.controls_;
    }

    bool = !!bool;

    // Don't trigger a change event unless it actually changed
    if (this.controls_ === bool) {
      return;
    }

    this.controls_ = bool;

    if (this.usingNativeControls()) {
      this.techCall_('setControls', bool);
    }

    if (this.controls_) {
      this.removeClass('vjs-controls-disabled');
      this.addClass('vjs-controls-enabled');
      /**
       * @event Player#controlsenabled
       * @type {EventTarget~Event}
       */
      this.trigger('controlsenabled');
      if (!this.usingNativeControls()) {
        this.addTechControlsListeners_();
      }
    } else {
      this.removeClass('vjs-controls-enabled');
      this.addClass('vjs-controls-disabled');
      /**
       * @event Player#controlsdisabled
       * @type {EventTarget~Event}
       */
      this.trigger('controlsdisabled');
      if (!this.usingNativeControls()) {
        this.removeTechControlsListeners_();
      }
    }
  };

  /**
   * Toggle native controls on/off. Native controls are the controls built into
   * devices (e.g. default iPhone controls), Flash, or other techs
   * (e.g. Vimeo Controls)
   * **This should only be set by the current tech, because only the tech knows
   * if it can support native controls**
   *
   * @fires Player#usingnativecontrols
   * @fires Player#usingcustomcontrols
   *
   * @param {boolean} [bool]
   *        - true to turn native controls on
   *        - false to turn native controls off
   *
   * @return {boolean}
   *         The current value of native controls when getting
   */


  Player.prototype.usingNativeControls = function usingNativeControls(bool) {
    if (bool === undefined) {
      return !!this.usingNativeControls_;
    }

    bool = !!bool;

    // Don't trigger a change event unless it actually changed
    if (this.usingNativeControls_ === bool) {
      return;
    }

    this.usingNativeControls_ = bool;

    if (this.usingNativeControls_) {
      this.addClass('vjs-using-native-controls');

      /**
       * player is using the native device controls
       *
       * @event Player#usingnativecontrols
       * @type {EventTarget~Event}
       */
      this.trigger('usingnativecontrols');
    } else {
      this.removeClass('vjs-using-native-controls');

      /**
       * player is using the custom HTML controls
       *
       * @event Player#usingcustomcontrols
       * @type {EventTarget~Event}
       */
      this.trigger('usingcustomcontrols');
    }
  };

  /**
   * Set or get the current MediaError
   *
   * @fires Player#error
   *
   * @param  {MediaError|string|number} [err]
   *         A MediaError or a string/number to be turned
   *         into a MediaError
   *
   * @return {MediaError|null}
   *         The current MediaError when getting (or null)
   */


  Player.prototype.error = function error(err) {
    if (err === undefined) {
      return this.error_ || null;
    }

    // restoring to default
    if (err === null) {
      this.error_ = err;
      this.removeClass('vjs-error');
      if (this.errorDisplay) {
        this.errorDisplay.close();
      }
      return;
    }

    this.error_ = new MediaError(err);

    // add the vjs-error classname to the player
    this.addClass('vjs-error');

    // log the name of the error type and any message
    // ie8 just logs "[object object]" if you just log the error object
    log.error('(CODE:' + this.error_.code + ' ' + MediaError.errorTypes[this.error_.code] + ')', this.error_.message, this.error_);

    /**
     * @event Player#error
     * @type {EventTarget~Event}
     */
    this.trigger('error');

    return;
  };

  /**
   * Report user activity
   *
   * @param {Object} event
   *        Event object
   */


  Player.prototype.reportUserActivity = function reportUserActivity(event) {
    this.userActivity_ = true;
  };

  /**
   * Get/set if user is active
   *
   * @fires Player#useractive
   * @fires Player#userinactive
   *
   * @param {boolean} [bool]
   *        - true if the user is active
   *        - false if the user is inactive
   *
   * @return {boolean}
   *         The current value of userActive when getting
   */


  Player.prototype.userActive = function userActive(bool) {
    if (bool === undefined) {
      return this.userActive_;
    }

    bool = !!bool;

    if (bool === this.userActive_) {
      return;
    }

    this.userActive_ = bool;

    if (this.userActive_) {
      this.userActivity_ = true;
      this.removeClass('vjs-user-inactive');
      this.addClass('vjs-user-active');
      /**
       * @event Player#useractive
       * @type {EventTarget~Event}
       */
      this.trigger('useractive');
      return;
    }

    // Chrome/Safari/IE have bugs where when you change the cursor it can
    // trigger a mousemove event. This causes an issue when you're hiding
    // the cursor when the user is inactive, and a mousemove signals user
    // activity. Making it impossible to go into inactive mode. Specifically
    // this happens in fullscreen when we really need to hide the cursor.
    //
    // When this gets resolved in ALL browsers it can be removed
    // https://code.google.com/p/chromium/issues/detail?id=103041
    if (this.tech_) {
      this.tech_.one('mousemove', function (e) {
        e.stopPropagation();
        e.preventDefault();
      });
    }

    this.userActivity_ = false;
    this.removeClass('vjs-user-active');
    this.addClass('vjs-user-inactive');
    /**
     * @event Player#userinactive
     * @type {EventTarget~Event}
     */
    this.trigger('userinactive');
  };

  /**
   * Listen for user activity based on timeout value
   *
   * @private
   */


  Player.prototype.listenForUserActivity_ = function listenForUserActivity_() {
    var mouseInProgress = void 0;
    var lastMoveX = void 0;
    var lastMoveY = void 0;
    var handleActivity = bind(this, this.reportUserActivity);

    var handleMouseMove = function handleMouseMove(e) {
      // #1068 - Prevent mousemove spamming
      // Chrome Bug: https://code.google.com/p/chromium/issues/detail?id=366970
      if (e.screenX !== lastMoveX || e.screenY !== lastMoveY) {
        lastMoveX = e.screenX;
        lastMoveY = e.screenY;
        handleActivity();
      }
    };

    var handleMouseDown = function handleMouseDown() {
      handleActivity();
      // For as long as the they are touching the device or have their mouse down,
      // we consider them active even if they're not moving their finger or mouse.
      // So we want to continue to update that they are active
      this.clearInterval(mouseInProgress);
      // Setting userActivity=true now and setting the interval to the same time
      // as the activityCheck interval (250) should ensure we never miss the
      // next activityCheck
      mouseInProgress = this.setInterval(handleActivity, 250);
    };

    var handleMouseUp = function handleMouseUp(event) {
      handleActivity();
      // Stop the interval that maintains activity if the mouse/touch is down
      this.clearInterval(mouseInProgress);
    };

    // Any mouse movement will be considered user activity
    this.on('mousedown', handleMouseDown);
    this.on('mousemove', handleMouseMove);
    this.on('mouseup', handleMouseUp);

    // Listen for keyboard navigation
    // Shouldn't need to use inProgress interval because of key repeat
    this.on('keydown', handleActivity);
    this.on('keyup', handleActivity);

    // Run an interval every 250 milliseconds instead of stuffing everything into
    // the mousemove/touchmove function itself, to prevent performance degradation.
    // `this.reportUserActivity` simply sets this.userActivity_ to true, which
    // then gets picked up by this loop
    // http://ejohn.org/blog/learning-from-twitter/
    var inactivityTimeout = void 0;

    this.setInterval(function () {
      // Check to see if mouse/touch activity has happened
      if (!this.userActivity_) {
        return;
      }

      // Reset the activity tracker
      this.userActivity_ = false;

      // If the user state was inactive, set the state to active
      this.userActive(true);

      // Clear any existing inactivity timeout to start the timer over
      this.clearTimeout(inactivityTimeout);

      var timeout = this.options_.inactivityTimeout;

      if (timeout <= 0) {
        return;
      }

      // In <timeout> milliseconds, if no more activity has occurred the
      // user will be considered inactive
      inactivityTimeout = this.setTimeout(function () {
        // Protect against the case where the inactivityTimeout can trigger just
        // before the next user activity is picked up by the activity check loop
        // causing a flicker
        if (!this.userActivity_) {
          this.userActive(false);
        }
      }, timeout);
    }, 250);
  };

  /**
   * Gets or sets the current playback rate. A playback rate of
   * 1.0 represents normal speed and 0.5 would indicate half-speed
   * playback, for instance.
   *
   * @see https://html.spec.whatwg.org/multipage/embedded-content.html#dom-media-playbackrate
   *
   * @param {number} [rate]
   *       New playback rate to set.
   *
   * @return {number}
   *         The current playback rate when getting or 1.0
   */


  Player.prototype.playbackRate = function playbackRate(rate) {
    if (rate !== undefined) {
      // NOTE: this.cache_.lastPlaybackRate is set from the tech handler
      // that is registered above
      this.techCall_('setPlaybackRate', rate);
      return;
    }

    if (this.tech_ && this.tech_.featuresPlaybackRate) {
      return this.cache_.lastPlaybackRate || this.techGet_('playbackRate');
    }
    return 1.0;
  };

  /**
   * Gets or sets the current default playback rate. A default playback rate of
   * 1.0 represents normal speed and 0.5 would indicate half-speed playback, for instance.
   * defaultPlaybackRate will only represent what the intial playbackRate of a video was, not
   * not the current playbackRate.
   *
   * @see https://html.spec.whatwg.org/multipage/embedded-content.html#dom-media-defaultplaybackrate
   *
   * @param {number} [rate]
   *       New default playback rate to set.
   *
   * @return {number|Player}
   *         - The default playback rate when getting or 1.0
   *         - the player when setting
   */


  Player.prototype.defaultPlaybackRate = function defaultPlaybackRate(rate) {
    if (rate !== undefined) {
      return this.techCall_('setDefaultPlaybackRate', rate);
    }

    if (this.tech_ && this.tech_.featuresPlaybackRate) {
      return this.techGet_('defaultPlaybackRate');
    }
    return 1.0;
  };

  /**
   * Gets or sets the audio flag
   *
   * @param {boolean} bool
   *        - true signals that this is an audio player
   *        - false signals that this is not an audio player
   *
   * @return {boolean}
   *         The current value of isAudio when getting
   */


  Player.prototype.isAudio = function isAudio(bool) {
    if (bool !== undefined) {
      this.isAudio_ = !!bool;
      return;
    }

    return !!this.isAudio_;
  };

  /**
   * A helper method for adding a {@link TextTrack} to our
   * {@link TextTrackList}.
   *
   * In addition to the W3C settings we allow adding additional info through options.
   *
   * @see http://www.w3.org/html/wg/drafts/html/master/embedded-content-0.html#dom-media-addtexttrack
   *
   * @param {string} [kind]
   *        the kind of TextTrack you are adding
   *
   * @param {string} [label]
   *        the label to give the TextTrack label
   *
   * @param {string} [language]
   *        the language to set on the TextTrack
   *
   * @return {TextTrack|undefined}
   *         the TextTrack that was added or undefined
   *         if there is no tech
   */


  Player.prototype.addTextTrack = function addTextTrack(kind, label, language) {
    if (this.tech_) {
      return this.tech_.addTextTrack(kind, label, language);
    }
  };

  /**
   * Create a remote {@link TextTrack} and an {@link HTMLTrackElement}. It will
   * automatically removed from the video element whenever the source changes, unless
   * manualCleanup is set to false.
   *
   * @param {Object} options
   *        Options to pass to {@link HTMLTrackElement} during creation. See
   *        {@link HTMLTrackElement} for object properties that you should use.
   *
   * @param {boolean} [manualCleanup=true] if set to false, the TextTrack will be
   *
   * @return {HtmlTrackElement}
   *         the HTMLTrackElement that was created and added
   *         to the HtmlTrackElementList and the remote
   *         TextTrackList
   *
   * @deprecated The default value of the "manualCleanup" parameter will default
   *             to "false" in upcoming versions of Video.js
   */


  Player.prototype.addRemoteTextTrack = function addRemoteTextTrack(options, manualCleanup) {
    if (this.tech_) {
      return this.tech_.addRemoteTextTrack(options, manualCleanup);
    }
  };

  /**
   * Remove a remote {@link TextTrack} from the respective
   * {@link TextTrackList} and {@link HtmlTrackElementList}.
   *
   * @param {Object} track
   *        Remote {@link TextTrack} to remove
   *
   * @return {undefined}
   *         does not return anything
   */


  Player.prototype.removeRemoteTextTrack = function removeRemoteTextTrack() {
    var _ref3 = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
        _ref3$track = _ref3.track,
        track = _ref3$track === undefined ? arguments[0] : _ref3$track;

    // destructure the input into an object with a track argument, defaulting to arguments[0]
    // default the whole argument to an empty object if nothing was passed in

    if (this.tech_) {
      return this.tech_.removeRemoteTextTrack(track);
    }
  };

  /**
   * Gets available media playback quality metrics as specified by the W3C's Media
   * Playback Quality API.
   *
   * @see [Spec]{@link https://wicg.github.io/media-playback-quality}
   *
   * @return {Object|undefined}
   *         An object with supported media playback quality metrics or undefined if there
   *         is no tech or the tech does not support it.
   */


  Player.prototype.getVideoPlaybackQuality = function getVideoPlaybackQuality() {
    return this.techGet_('getVideoPlaybackQuality');
  };

  /**
   * Get video width
   *
   * @return {number}
   *         current video width
   */


  Player.prototype.videoWidth = function videoWidth() {
    return this.tech_ && this.tech_.videoWidth && this.tech_.videoWidth() || 0;
  };

  /**
   * Get video height
   *
   * @return {number}
   *         current video height
   */


  Player.prototype.videoHeight = function videoHeight() {
    return this.tech_ && this.tech_.videoHeight && this.tech_.videoHeight() || 0;
  };

  /**
   * The player's language code
   * NOTE: The language should be set in the player options if you want the
   * the controls to be built with a specific language. Changing the lanugage
   * later will not update controls text.
   *
   * @param {string} [code]
   *        the language code to set the player to
   *
   * @return {string}
   *         The current language code when getting
   */


  Player.prototype.language = function language(code) {
    if (code === undefined) {
      return this.language_;
    }

    this.language_ = String(code).toLowerCase();
  };

  /**
   * Get the player's language dictionary
   * Merge every time, because a newly added plugin might call videojs.addLanguage() at any time
   * Languages specified directly in the player options have precedence
   *
   * @return {Array}
   *         An array of of supported languages
   */


  Player.prototype.languages = function languages() {
    return mergeOptions(Player.prototype.options_.languages, this.languages_);
  };

  /**
   * returns a JavaScript object reperesenting the current track
   * information. **DOES not return it as JSON**
   *
   * @return {Object}
   *         Object representing the current of track info
   */


  Player.prototype.toJSON = function toJSON() {
    var options = mergeOptions(this.options_);
    var tracks = options.tracks;

    options.tracks = [];

    for (var i = 0; i < tracks.length; i++) {
      var track = tracks[i];

      // deep merge tracks and null out player so no circular references
      track = mergeOptions(track);
      track.player = undefined;
      options.tracks[i] = track;
    }

    return options;
  };

  /**
   * Creates a simple modal dialog (an instance of the {@link ModalDialog}
   * component) that immediately overlays the player with arbitrary
   * content and removes itself when closed.
   *
   * @param {string|Function|Element|Array|null} content
   *        Same as {@link ModalDialog#content}'s param of the same name.
   *        The most straight-forward usage is to provide a string or DOM
   *        element.
   *
   * @param {Object} [options]
   *        Extra options which will be passed on to the {@link ModalDialog}.
   *
   * @return {ModalDialog}
   *         the {@link ModalDialog} that was created
   */


  Player.prototype.createModal = function createModal(content, options) {
    var _this12 = this;

    options = options || {};
    options.content = content || '';

    var modal = new ModalDialog(this, options);

    this.addChild(modal);
    modal.on('dispose', function () {
      _this12.removeChild(modal);
    });

    modal.open();
    return modal;
  };

  /**
   * Change breakpoint classes when the player resizes.
   *
   * @private
   */


  Player.prototype.updateCurrentBreakpoint_ = function updateCurrentBreakpoint_() {
    if (!this.responsive()) {
      return;
    }

    var currentBreakpoint = this.currentBreakpoint();
    var currentWidth = this.currentWidth();

    for (var i = 0; i < BREAKPOINT_ORDER.length; i++) {
      var candidateBreakpoint = BREAKPOINT_ORDER[i];
      var maxWidth = this.breakpoints_[candidateBreakpoint];

      if (currentWidth <= maxWidth) {

        // The current breakpoint did not change, nothing to do.
        if (currentBreakpoint === candidateBreakpoint) {
          return;
        }

        // Only remove a class if there is a current breakpoint.
        if (currentBreakpoint) {
          this.removeClass(BREAKPOINT_CLASSES[currentBreakpoint]);
        }

        this.addClass(BREAKPOINT_CLASSES[candidateBreakpoint]);
        this.breakpoint_ = candidateBreakpoint;
        break;
      }
    }
  };

  /**
   * Removes the current breakpoint.
   *
   * @private
   */


  Player.prototype.removeCurrentBreakpoint_ = function removeCurrentBreakpoint_() {
    var className = this.currentBreakpointClass();

    this.breakpoint_ = '';

    if (className) {
      this.removeClass(className);
    }
  };

  /**
   * Get or set breakpoints on the player.
   *
   * Calling this method with an object or `true` will remove any previous
   * custom breakpoints and start from the defaults again.
   *
   * @param  {Object|boolean} [breakpoints]
   *         If an object is given, it can be used to provide custom
   *         breakpoints. If `true` is given, will set default breakpoints.
   *         If this argument is not given, will simply return the current
   *         breakpoints.
   *
   * @param  {number} [breakpoints.tiny]
   *         The maximum width for the "vjs-layout-tiny" class.
   *
   * @param  {number} [breakpoints.xsmall]
   *         The maximum width for the "vjs-layout-x-small" class.
   *
   * @param  {number} [breakpoints.small]
   *         The maximum width for the "vjs-layout-small" class.
   *
   * @param  {number} [breakpoints.medium]
   *         The maximum width for the "vjs-layout-medium" class.
   *
   * @param  {number} [breakpoints.large]
   *         The maximum width for the "vjs-layout-large" class.
   *
   * @param  {number} [breakpoints.xlarge]
   *         The maximum width for the "vjs-layout-x-large" class.
   *
   * @param  {number} [breakpoints.huge]
   *         The maximum width for the "vjs-layout-huge" class.
   *
   * @return {Object}
   *         An object mapping breakpoint names to maximum width values.
   */


  Player.prototype.breakpoints = function breakpoints(_breakpoints) {

    // Used as a getter.
    if (_breakpoints === undefined) {
      return assign(this.breakpoints_);
    }

    this.breakpoint_ = '';
    this.breakpoints_ = assign({}, DEFAULT_BREAKPOINTS, _breakpoints);

    // When breakpoint definitions change, we need to update the currently
    // selected breakpoint.
    this.updateCurrentBreakpoint_();

    // Clone the breakpoints before returning.
    return assign(this.breakpoints_);
  };

  /**
   * Get or set a flag indicating whether or not this player should adjust
   * its UI based on its dimensions.
   *
   * @param  {boolean} value
   *         Should be `true` if the player should adjust its UI based on its
   *         dimensions; otherwise, should be `false`.
   *
   * @return {boolean}
   *         Will be `true` if this player should adjust its UI based on its
   *         dimensions; otherwise, will be `false`.
   */


  Player.prototype.responsive = function responsive(value) {

    // Used as a getter.
    if (value === undefined) {
      return this.responsive_;
    }

    value = Boolean(value);
    var current = this.responsive_;

    // Nothing changed.
    if (value === current) {
      return;
    }

    // The value actually changed, set it.
    this.responsive_ = value;

    // Start listening for breakpoints and set the initial breakpoint if the
    // player is now responsive.
    if (value) {
      this.on('playerresize', this.updateCurrentBreakpoint_);
      this.updateCurrentBreakpoint_();

      // Stop listening for breakpoints if the player is no longer responsive.
    } else {
      this.off('playerresize', this.updateCurrentBreakpoint_);
      this.removeCurrentBreakpoint_();
    }

    return value;
  };

  /**
   * Get current breakpoint name, if any.
   *
   * @return {string}
   *         If there is currently a breakpoint set, returns a the key from the
   *         breakpoints object matching it. Otherwise, returns an empty string.
   */


  Player.prototype.currentBreakpoint = function currentBreakpoint() {
    return this.breakpoint_;
  };

  /**
   * Get the current breakpoint class name.
   *
   * @return {string}
   *         The matching class name (e.g. `"vjs-layout-tiny"` or
   *         `"vjs-layout-large"`) for the current breakpoint. Empty string if
   *         there is no current breakpoint.
   */


  Player.prototype.currentBreakpointClass = function currentBreakpointClass() {
    return BREAKPOINT_CLASSES[this.breakpoint_] || '';
  };

  /**
   * Gets tag settings
   *
   * @param {Element} tag
   *        The player tag
   *
   * @return {Object}
   *         An object containing all of the settings
   *         for a player tag
   */


  Player.getTagSettings = function getTagSettings(tag) {
    var baseOptions = {
      sources: [],
      tracks: []
    };

    var tagOptions = getAttributes(tag);
    var dataSetup = tagOptions['data-setup'];

    if (hasClass(tag, 'vjs-fill')) {
      tagOptions.fill = true;
    }
    if (hasClass(tag, 'vjs-fluid')) {
      tagOptions.fluid = true;
    }

    // Check if data-setup attr exists.
    if (dataSetup !== null) {
      // Parse options JSON
      // If empty string, make it a parsable json object.
      var _safeParseTuple = safeParseTuple(dataSetup || '{}'),
          err = _safeParseTuple[0],
          data = _safeParseTuple[1];

      if (err) {
        log.error(err);
      }
      assign(tagOptions, data);
    }

    assign(baseOptions, tagOptions);

    // Get tag children settings
    if (tag.hasChildNodes()) {
      var children = tag.childNodes;

      for (var i = 0, j = children.length; i < j; i++) {
        var child = children[i];
        // Change case needed: http://ejohn.org/blog/nodename-case-sensitivity/
        var childName = child.nodeName.toLowerCase();

        if (childName === 'source') {
          baseOptions.sources.push(getAttributes(child));
        } else if (childName === 'track') {
          baseOptions.tracks.push(getAttributes(child));
        }
      }
    }

    return baseOptions;
  };

  /**
   * Determine wether or not flexbox is supported
   *
   * @return {boolean}
   *         - true if flexbox is supported
   *         - false if flexbox is not supported
   */


  Player.prototype.flexNotSupported_ = function flexNotSupported_() {
    var elem = document.createElement('i');

    // Note: We don't actually use flexBasis (or flexOrder), but it's one of the more
    // common flex features that we can rely on when checking for flex support.
    return !('flexBasis' in elem.style || 'webkitFlexBasis' in elem.style || 'mozFlexBasis' in elem.style || 'msFlexBasis' in elem.style ||
    // IE10-specific (2012 flex spec)
    'msFlexOrder' in elem.style);
  };

  return Player;
}(Component);

/**
 * Get the {@link VideoTrackList}
 * @link https://html.spec.whatwg.org/multipage/embedded-content.html#videotracklist
 *
 * @return {VideoTrackList}
 *         the current video track list
 *
 * @method Player.prototype.videoTracks
 */

/**
 * Get the {@link AudioTrackList}
 * @link https://html.spec.whatwg.org/multipage/embedded-content.html#audiotracklist
 *
 * @return {AudioTrackList}
 *         the current audio track list
 *
 * @method Player.prototype.audioTracks
 */

/**
 * Get the {@link TextTrackList}
 *
 * @link http://www.w3.org/html/wg/drafts/html/master/embedded-content-0.html#dom-media-texttracks
 *
 * @return {TextTrackList}
 *         the current text track list
 *
 * @method Player.prototype.textTracks
 */

/**
 * Get the remote {@link TextTrackList}
 *
 * @return {TextTrackList}
 *         The current remote text track list
 *
 * @method Player.prototype.remoteTextTracks
 */

/**
 * Get the remote {@link HtmlTrackElementList} tracks.
 *
 * @return {HtmlTrackElementList}
 *         The current remote text track element list
 *
 * @method Player.prototype.remoteTextTrackEls
 */

ALL.names.forEach(function (name$$1) {
  var props = ALL[name$$1];

  Player.prototype[props.getterName] = function () {
    if (this.tech_) {
      return this.tech_[props.getterName]();
    }

    // if we have not yet loadTech_, we create {video,audio,text}Tracks_
    // these will be passed to the tech during loading
    this[props.privateName] = this[props.privateName] || new props.ListClass();
    return this[props.privateName];
  };
});

/**
 * Global player list
 *
 * @type {Object}
 */
Player.players = {};

var navigator = window.navigator;

/*
 * Player instance options, surfaced using options
 * options = Player.prototype.options_
 * Make changes in options, not here.
 *
 * @type {Object}
 * @private
 */
Player.prototype.options_ = {
  // Default order of fallback technology
  techOrder: Tech.defaultTechOrder_,

  html5: {},
  flash: {},

  // default inactivity timeout
  inactivityTimeout: 2000,

  // default playback rates
  playbackRates: [],
  // Add playback rate selection by adding rates
  // 'playbackRates': [0.5, 1, 1.5, 2],

  // Included control sets
  children: ['mediaLoader', 'posterImage', 'textTrackDisplay', 'loadingSpinner', 'bigPlayButton', 'controlBar', 'errorDisplay', 'textTrackSettings'],

  language: navigator && (navigator.languages && navigator.languages[0] || navigator.userLanguage || navigator.language) || 'en',

  // locales and their language translations
  languages: {},

  // Default message to show when a video cannot be played.
  notSupportedMessage: 'No compatible source was found for this media.',

  breakpoints: {},
  responsive: false
};

if (!IS_IE8) {
  Player.prototype.options_.children.push('resizeManager');
}

[
/**
 * Returns whether or not the player is in the "ended" state.
 *
 * @return {Boolean} True if the player is in the ended state, false if not.
 * @method Player#ended
 */
'ended',
/**
 * Returns whether or not the player is in the "seeking" state.
 *
 * @return {Boolean} True if the player is in the seeking state, false if not.
 * @method Player#seeking
 */
'seeking',
/**
 * Returns the TimeRanges of the media that are currently available
 * for seeking to.
 *
 * @return {TimeRanges} the seekable intervals of the media timeline
 * @method Player#seekable
 */
'seekable',
/**
 * Returns the current state of network activity for the element, from
 * the codes in the list below.
 * - NETWORK_EMPTY (numeric value 0)
 *   The element has not yet been initialised. All attributes are in
 *   their initial states.
 * - NETWORK_IDLE (numeric value 1)
 *   The element's resource selection algorithm is active and has
 *   selected a resource, but it is not actually using the network at
 *   this time.
 * - NETWORK_LOADING (numeric value 2)
 *   The user agent is actively trying to download data.
 * - NETWORK_NO_SOURCE (numeric value 3)
 *   The element's resource selection algorithm is active, but it has
 *   not yet found a resource to use.
 *
 * @see https://html.spec.whatwg.org/multipage/embedded-content.html#network-states
 * @return {number} the current network activity state
 * @method Player#networkState
 */
'networkState',
/**
 * Returns a value that expresses the current state of the element
 * with respect to rendering the current playback position, from the
 * codes in the list below.
 * - HAVE_NOTHING (numeric value 0)
 *   No information regarding the media resource is available.
 * - HAVE_METADATA (numeric value 1)
 *   Enough of the resource has been obtained that the duration of the
 *   resource is available.
 * - HAVE_CURRENT_DATA (numeric value 2)
 *   Data for the immediate current playback position is available.
 * - HAVE_FUTURE_DATA (numeric value 3)
 *   Data for the immediate current playback position is available, as
 *   well as enough data for the user agent to advance the current
 *   playback position in the direction of playback.
 * - HAVE_ENOUGH_DATA (numeric value 4)
 *   The user agent estimates that enough data is available for
 *   playback to proceed uninterrupted.
 *
 * @see https://html.spec.whatwg.org/multipage/embedded-content.html#dom-media-readystate
 * @return {number} the current playback rendering state
 * @method Player#readyState
 */
'readyState'].forEach(function (fn) {
  Player.prototype[fn] = function () {
    return this.techGet_(fn);
  };
});

TECH_EVENTS_RETRIGGER.forEach(function (event) {
  Player.prototype['handleTech' + toTitleCase(event) + '_'] = function () {
    return this.trigger(event);
  };
});

/**
 * Fired when the player has initial duration and dimension information
 *
 * @event Player#loadedmetadata
 * @type {EventTarget~Event}
 */

/**
 * Fired when the player has downloaded data at the current playback position
 *
 * @event Player#loadeddata
 * @type {EventTarget~Event}
 */

/**
 * Fired when the current playback position has changed *
 * During playback this is fired every 15-250 milliseconds, depending on the
 * playback technology in use.
 *
 * @event Player#timeupdate
 * @type {EventTarget~Event}
 */

/**
 * Fired when the volume changes
 *
 * @event Player#volumechange
 * @type {EventTarget~Event}
 */

/**
 * Reports whether or not a player has a plugin available.
 *
 * This does not report whether or not the plugin has ever been initialized
 * on this player. For that, [usingPlugin]{@link Player#usingPlugin}.
 *
 * @method Player#hasPlugin
 * @param  {string}  name
 *         The name of a plugin.
 *
 * @return {boolean}
 *         Whether or not this player has the requested plugin available.
 */

/**
 * Reports whether or not a player is using a plugin by name.
 *
 * For basic plugins, this only reports whether the plugin has _ever_ been
 * initialized on this player.
 *
 * @method Player#usingPlugin
 * @param  {string} name
 *         The name of a plugin.
 *
 * @return {boolean}
 *         Whether or not this player is using the requested plugin.
 */

Component.registerComponent('Player', Player);

/**
 * @file plugin.js
 */
/**
 * The base plugin name.
 *
 * @private
 * @constant
 * @type {string}
 */
var BASE_PLUGIN_NAME = 'plugin';

/**
 * The key on which a player's active plugins cache is stored.
 *
 * @private
 * @constant
 * @type     {string}
 */
var PLUGIN_CACHE_KEY = 'activePlugins_';

/**
 * Stores registered plugins in a private space.
 *
 * @private
 * @type    {Object}
 */
var pluginStorage = {};

/**
 * Reports whether or not a plugin has been registered.
 *
 * @private
 * @param   {string} name
 *          The name of a plugin.
 *
 * @returns {boolean}
 *          Whether or not the plugin has been registered.
 */
var pluginExists = function pluginExists(name) {
  return pluginStorage.hasOwnProperty(name);
};

/**
 * Get a single registered plugin by name.
 *
 * @private
 * @param   {string} name
 *          The name of a plugin.
 *
 * @returns {Function|undefined}
 *          The plugin (or undefined).
 */
var getPlugin = function getPlugin(name) {
  return pluginExists(name) ? pluginStorage[name] : undefined;
};

/**
 * Marks a plugin as "active" on a player.
 *
 * Also, ensures that the player has an object for tracking active plugins.
 *
 * @private
 * @param   {Player} player
 *          A Video.js player instance.
 *
 * @param   {string} name
 *          The name of a plugin.
 */
var markPluginAsActive = function markPluginAsActive(player, name) {
  player[PLUGIN_CACHE_KEY] = player[PLUGIN_CACHE_KEY] || {};
  player[PLUGIN_CACHE_KEY][name] = true;
};

/**
 * Triggers a pair of plugin setup events.
 *
 * @private
 * @param  {Player} player
 *         A Video.js player instance.
 *
 * @param  {Plugin~PluginEventHash} hash
 *         A plugin event hash.
 *
 * @param  {Boolean} [before]
 *         If true, prefixes the event name with "before". In other words,
 *         use this to trigger "beforepluginsetup" instead of "pluginsetup".
 */
var triggerSetupEvent = function triggerSetupEvent(player, hash, before) {
  var eventName = (before ? 'before' : '') + 'pluginsetup';

  player.trigger(eventName, hash);
  player.trigger(eventName + ':' + hash.name, hash);
};

/**
 * Takes a basic plugin function and returns a wrapper function which marks
 * on the player that the plugin has been activated.
 *
 * @private
 * @param   {string} name
 *          The name of the plugin.
 *
 * @param   {Function} plugin
 *          The basic plugin.
 *
 * @returns {Function}
 *          A wrapper function for the given plugin.
 */
var createBasicPlugin = function createBasicPlugin(name, plugin) {
  var basicPluginWrapper = function basicPluginWrapper() {

    // We trigger the "beforepluginsetup" and "pluginsetup" events on the player
    // regardless, but we want the hash to be consistent with the hash provided
    // for advanced plugins.
    //
    // The only potentially counter-intuitive thing here is the `instance` in
    // the "pluginsetup" event is the value returned by the `plugin` function.
    triggerSetupEvent(this, { name: name, plugin: plugin, instance: null }, true);

    var instance = plugin.apply(this, arguments);

    markPluginAsActive(this, name);
    triggerSetupEvent(this, { name: name, plugin: plugin, instance: instance });

    return instance;
  };

  Object.keys(plugin).forEach(function (prop) {
    basicPluginWrapper[prop] = plugin[prop];
  });

  return basicPluginWrapper;
};

/**
 * Takes a plugin sub-class and returns a factory function for generating
 * instances of it.
 *
 * This factory function will replace itself with an instance of the requested
 * sub-class of Plugin.
 *
 * @private
 * @param   {string} name
 *          The name of the plugin.
 *
 * @param   {Plugin} PluginSubClass
 *          The advanced plugin.
 *
 * @returns {Function}
 */
var createPluginFactory = function createPluginFactory(name, PluginSubClass) {

  // Add a `name` property to the plugin prototype so that each plugin can
  // refer to itself by name.
  PluginSubClass.prototype.name = name;

  return function () {
    triggerSetupEvent(this, { name: name, plugin: PluginSubClass, instance: null }, true);

    for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
      args[_key] = arguments[_key];
    }

    var instance = new (Function.prototype.bind.apply(PluginSubClass, [null].concat([this].concat(args))))();

    // The plugin is replaced by a function that returns the current instance.
    this[name] = function () {
      return instance;
    };

    triggerSetupEvent(this, instance.getEventHash());

    return instance;
  };
};

/**
 * Parent class for all advanced plugins.
 *
 * @mixes   module:evented~EventedMixin
 * @mixes   module:stateful~StatefulMixin
 * @fires   Player#beforepluginsetup
 * @fires   Player#beforepluginsetup:$name
 * @fires   Player#pluginsetup
 * @fires   Player#pluginsetup:$name
 * @listens Player#dispose
 * @throws  {Error}
 *          If attempting to instantiate the base {@link Plugin} class
 *          directly instead of via a sub-class.
 */

var Plugin = function () {

  /**
   * Creates an instance of this class.
   *
   * Sub-classes should call `super` to ensure plugins are properly initialized.
   *
   * @param {Player} player
   *        A Video.js player instance.
   */
  function Plugin(player) {
    classCallCheck(this, Plugin);

    if (this.constructor === Plugin) {
      throw new Error('Plugin must be sub-classed; not directly instantiated.');
    }

    this.player = player;

    // Make this object evented, but remove the added `trigger` method so we
    // use the prototype version instead.
    evented(this);
    delete this.trigger;

    stateful(this, this.constructor.defaultState);
    markPluginAsActive(player, this.name);

    // Auto-bind the dispose method so we can use it as a listener and unbind
    // it later easily.
    this.dispose = bind(this, this.dispose);

    // If the player is disposed, dispose the plugin.
    player.on('dispose', this.dispose);
  }

  /**
   * Get the version of the plugin that was set on <pluginName>.VERSION
   */


  Plugin.prototype.version = function version() {
    return this.constructor.VERSION;
  };

  /**
   * Each event triggered by plugins includes a hash of additional data with
   * conventional properties.
   *
   * This returns that object or mutates an existing hash.
   *
   * @param   {Object} [hash={}]
   *          An object to be used as event an event hash.
   *
   * @returns {Plugin~PluginEventHash}
   *          An event hash object with provided properties mixed-in.
   */


  Plugin.prototype.getEventHash = function getEventHash() {
    var hash = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};

    hash.name = this.name;
    hash.plugin = this.constructor;
    hash.instance = this;
    return hash;
  };

  /**
   * Triggers an event on the plugin object and overrides
   * {@link module:evented~EventedMixin.trigger|EventedMixin.trigger}.
   *
   * @param   {string|Object} event
   *          An event type or an object with a type property.
   *
   * @param   {Object} [hash={}]
   *          Additional data hash to merge with a
   *          {@link Plugin~PluginEventHash|PluginEventHash}.
   *
   * @returns {boolean}
   *          Whether or not default was prevented.
   */


  Plugin.prototype.trigger = function trigger$$1(event) {
    var hash = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};

    return trigger(this.eventBusEl_, event, this.getEventHash(hash));
  };

  /**
   * Handles "statechanged" events on the plugin. No-op by default, override by
   * subclassing.
   *
   * @abstract
   * @param    {Event} e
   *           An event object provided by a "statechanged" event.
   *
   * @param    {Object} e.changes
   *           An object describing changes that occurred with the "statechanged"
   *           event.
   */


  Plugin.prototype.handleStateChanged = function handleStateChanged(e) {};

  /**
   * Disposes a plugin.
   *
   * Subclasses can override this if they want, but for the sake of safety,
   * it's probably best to subscribe the "dispose" event.
   *
   * @fires Plugin#dispose
   */


  Plugin.prototype.dispose = function dispose() {
    var name = this.name,
        player = this.player;

    /**
     * Signals that a advanced plugin is about to be disposed.
     *
     * @event Plugin#dispose
     * @type  {EventTarget~Event}
     */

    this.trigger('dispose');
    this.off();
    player.off('dispose', this.dispose);

    // Eliminate any possible sources of leaking memory by clearing up
    // references between the player and the plugin instance and nulling out
    // the plugin's state and replacing methods with a function that throws.
    player[PLUGIN_CACHE_KEY][name] = false;
    this.player = this.state = null;

    // Finally, replace the plugin name on the player with a new factory
    // function, so that the plugin is ready to be set up again.
    player[name] = createPluginFactory(name, pluginStorage[name]);
  };

  /**
   * Determines if a plugin is a basic plugin (i.e. not a sub-class of `Plugin`).
   *
   * @param   {string|Function} plugin
   *          If a string, matches the name of a plugin. If a function, will be
   *          tested directly.
   *
   * @returns {boolean}
   *          Whether or not a plugin is a basic plugin.
   */


  Plugin.isBasic = function isBasic(plugin) {
    var p = typeof plugin === 'string' ? getPlugin(plugin) : plugin;

    return typeof p === 'function' && !Plugin.prototype.isPrototypeOf(p.prototype);
  };

  /**
   * Register a Video.js plugin.
   *
   * @param   {string} name
   *          The name of the plugin to be registered. Must be a string and
   *          must not match an existing plugin or a method on the `Player`
   *          prototype.
   *
   * @param   {Function} plugin
   *          A sub-class of `Plugin` or a function for basic plugins.
   *
   * @returns {Function}
   *          For advanced plugins, a factory function for that plugin. For
   *          basic plugins, a wrapper function that initializes the plugin.
   */


  Plugin.registerPlugin = function registerPlugin(name, plugin) {
    if (typeof name !== 'string') {
      throw new Error('Illegal plugin name, "' + name + '", must be a string, was ' + (typeof name === 'undefined' ? 'undefined' : _typeof(name)) + '.');
    }

    if (pluginExists(name)) {
      log.warn('A plugin named "' + name + '" already exists. You may want to avoid re-registering plugins!');
    } else if (Player.prototype.hasOwnProperty(name)) {
      throw new Error('Illegal plugin name, "' + name + '", cannot share a name with an existing player method!');
    }

    if (typeof plugin !== 'function') {
      throw new Error('Illegal plugin for "' + name + '", must be a function, was ' + (typeof plugin === 'undefined' ? 'undefined' : _typeof(plugin)) + '.');
    }

    pluginStorage[name] = plugin;

    // Add a player prototype method for all sub-classed plugins (but not for
    // the base Plugin class).
    if (name !== BASE_PLUGIN_NAME) {
      if (Plugin.isBasic(plugin)) {
        Player.prototype[name] = createBasicPlugin(name, plugin);
      } else {
        Player.prototype[name] = createPluginFactory(name, plugin);
      }
    }

    return plugin;
  };

  /**
   * De-register a Video.js plugin.
   *
   * @param {string} name
   *        The name of the plugin to be deregistered.
   */


  Plugin.deregisterPlugin = function deregisterPlugin(name) {
    if (name === BASE_PLUGIN_NAME) {
      throw new Error('Cannot de-register base plugin.');
    }
    if (pluginExists(name)) {
      delete pluginStorage[name];
      delete Player.prototype[name];
    }
  };

  /**
   * Gets an object containing multiple Video.js plugins.
   *
   * @param   {Array} [names]
   *          If provided, should be an array of plugin names. Defaults to _all_
   *          plugin names.
   *
   * @returns {Object|undefined}
   *          An object containing plugin(s) associated with their name(s) or
   *          `undefined` if no matching plugins exist).
   */


  Plugin.getPlugins = function getPlugins() {
    var names = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : Object.keys(pluginStorage);

    var result = void 0;

    names.forEach(function (name) {
      var plugin = getPlugin(name);

      if (plugin) {
        result = result || {};
        result[name] = plugin;
      }
    });

    return result;
  };

  /**
   * Gets a plugin's version, if available
   *
   * @param   {string} name
   *          The name of a plugin.
   *
   * @returns {string}
   *          The plugin's version or an empty string.
   */


  Plugin.getPluginVersion = function getPluginVersion(name) {
    var plugin = getPlugin(name);

    return plugin && plugin.VERSION || '';
  };

  return Plugin;
}();

/**
 * Gets a plugin by name if it exists.
 *
 * @static
 * @method   getPlugin
 * @memberOf Plugin
 * @param    {string} name
 *           The name of a plugin.
 *
 * @returns  {Function|undefined}
 *           The plugin (or `undefined`).
 */


Plugin.getPlugin = getPlugin;

/**
 * The name of the base plugin class as it is registered.
 *
 * @type {string}
 */
Plugin.BASE_PLUGIN_NAME = BASE_PLUGIN_NAME;

Plugin.registerPlugin(BASE_PLUGIN_NAME, Plugin);

/**
 * Documented in player.js
 *
 * @ignore
 */
Player.prototype.usingPlugin = function (name) {
  return !!this[PLUGIN_CACHE_KEY] && this[PLUGIN_CACHE_KEY][name] === true;
};

/**
 * Documented in player.js
 *
 * @ignore
 */
Player.prototype.hasPlugin = function (name) {
  return !!pluginExists(name);
};

/**
 * Signals that a plugin is about to be set up on a player.
 *
 * @event    Player#beforepluginsetup
 * @type     {Plugin~PluginEventHash}
 */

/**
 * Signals that a plugin is about to be set up on a player - by name. The name
 * is the name of the plugin.
 *
 * @event    Player#beforepluginsetup:$name
 * @type     {Plugin~PluginEventHash}
 */

/**
 * Signals that a plugin has just been set up on a player.
 *
 * @event    Player#pluginsetup
 * @type     {Plugin~PluginEventHash}
 */

/**
 * Signals that a plugin has just been set up on a player - by name. The name
 * is the name of the plugin.
 *
 * @event    Player#pluginsetup:$name
 * @type     {Plugin~PluginEventHash}
 */

/**
 * @typedef  {Object} Plugin~PluginEventHash
 *
 * @property {string} instance
 *           For basic plugins, the return value of the plugin function. For
 *           advanced plugins, the plugin instance on which the event is fired.
 *
 * @property {string} name
 *           The name of the plugin.
 *
 * @property {string} plugin
 *           For basic plugins, the plugin function. For advanced plugins, the
 *           plugin class/constructor.
 */

/**
 * @file extend.js
 * @module extend
 */

/**
 * A combination of node inherits and babel's inherits (after transpile).
 * Both work the same but node adds `super_` to the subClass
 * and Bable adds the superClass as __proto__. Both seem useful.
 *
 * @param {Object} subClass
 *        The class to inherit to
 *
 * @param {Object} superClass
 *        The class to inherit from
 *
 * @private
 */
var _inherits = function _inherits(subClass, superClass) {
  if (typeof superClass !== 'function' && superClass !== null) {
    throw new TypeError('Super expression must either be null or a function, not ' + (typeof superClass === 'undefined' ? 'undefined' : _typeof(superClass)));
  }

  subClass.prototype = Object.create(superClass && superClass.prototype, {
    constructor: {
      value: subClass,
      enumerable: false,
      writable: true,
      configurable: true
    }
  });

  if (superClass) {
    // node
    subClass.super_ = superClass;
  }
};

/**
 * Function for subclassing using the same inheritance that
 * videojs uses internally
 *
 * @static
 * @const
 *
 * @param {Object} superClass
 *        The class to inherit from
 *
 * @param {Object} [subClassMethods={}]
 *        The class to inherit to
 *
 * @return {Object}
 *         The new object with subClassMethods that inherited superClass.
 */
var extendFn = function extendFn(superClass) {
  var subClassMethods = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};

  var subClass = function subClass() {
    superClass.apply(this, arguments);
  };

  var methods = {};

  if ((typeof subClassMethods === 'undefined' ? 'undefined' : _typeof(subClassMethods)) === 'object') {
    if (subClassMethods.constructor !== Object.prototype.constructor) {
      subClass = subClassMethods.constructor;
    }
    methods = subClassMethods;
  } else if (typeof subClassMethods === 'function') {
    subClass = subClassMethods;
  }

  _inherits(subClass, superClass);

  // Extend subObj's prototype with functions and other properties from props
  for (var name in methods) {
    if (methods.hasOwnProperty(name)) {
      subClass.prototype[name] = methods[name];
    }
  }

  return subClass;
};

/**
 * @file video.js
 * @module videojs
 */
// Include the built-in techs
// HTML5 Element Shim for IE8
if (typeof HTMLVideoElement === 'undefined' && isReal()) {
  document.createElement('video');
  document.createElement('audio');
  document.createElement('track');
  document.createElement('video-js');
}

/**
 * Normalize an `id` value by trimming off a leading `#`
 *
 * @param   {string} id
 *          A string, maybe with a leading `#`.
 *
 * @returns {string}
 *          The string, without any leading `#`.
 */
var normalizeId = function normalizeId(id) {
  return id.indexOf('#') === 0 ? id.slice(1) : id;
};

/**
 * Doubles as the main function for users to create a player instance and also
 * the main library object.
 * The `videojs` function can be used to initialize or retrieve a player.
  *
 * @param {string|Element} id
 *        Video element or video element ID
 *
 * @param {Object} [options]
 *        Optional options object for config/settings
 *
 * @param {Component~ReadyCallback} [ready]
 *        Optional ready callback
 *
 * @return {Player}
 *         A player instance
 */
function videojs(id, options, ready) {
  var player = videojs.getPlayer(id);

  if (player) {
    if (options) {
      log.warn('Player "' + id + '" is already initialised. Options will not be applied.');
    }
    if (ready) {
      player.ready(ready);
    }
    return player;
  }

  var el = typeof id === 'string' ? $('#' + normalizeId(id)) : id;

  if (!isEl(el)) {
    throw new TypeError('The element or ID supplied is not valid. (videojs)');
  }

  if (!document.body.contains(el)) {
    log.warn('The element supplied is not included in the DOM');
  }

  options = options || {};

  videojs.hooks('beforesetup').forEach(function (hookFunction) {
    var opts = hookFunction(el, mergeOptions(options));

    if (!isObject(opts) || Array.isArray(opts)) {
      log.error('please return an object in beforesetup hooks');
      return;
    }

    options = mergeOptions(options, opts);
  });

  // We get the current "Player" component here in case an integration has
  // replaced it with a custom player.
  var PlayerComponent = Component.getComponent('Player');

  player = new PlayerComponent(el, options, ready);

  videojs.hooks('setup').forEach(function (hookFunction) {
    return hookFunction(player);
  });

  return player;
}

/**
 * An Object that contains lifecycle hooks as keys which point to an array
 * of functions that are run when a lifecycle is triggered
 */
videojs.hooks_ = {};

/**
 * Get a list of hooks for a specific lifecycle
 * @function videojs.hooks
 *
 * @param {string} type
 *        the lifecyle to get hooks from
 *
 * @param {Function|Function[]} [fn]
 *        Optionally add a hook (or hooks) to the lifecycle that your are getting.
 *
 * @return {Array}
 *         an array of hooks, or an empty array if there are none.
 */
videojs.hooks = function (type, fn) {
  videojs.hooks_[type] = videojs.hooks_[type] || [];
  if (fn) {
    videojs.hooks_[type] = videojs.hooks_[type].concat(fn);
  }
  return videojs.hooks_[type];
};

/**
 * Add a function hook to a specific videojs lifecycle.
 *
 * @param {string} type
 *        the lifecycle to hook the function to.
 *
 * @param {Function|Function[]}
 *        The function or array of functions to attach.
 */
videojs.hook = function (type, fn) {
  videojs.hooks(type, fn);
};

/**
 * Add a function hook that will only run once to a specific videojs lifecycle.
 *
 * @param {string} type
 *        the lifecycle to hook the function to.
 *
 * @param {Function|Function[]}
 *        The function or array of functions to attach.
 */
videojs.hookOnce = function (type, fn) {
  videojs.hooks(type, [].concat(fn).map(function (original) {
    var wrapper = function wrapper() {
      videojs.removeHook(type, wrapper);
      return original.apply(undefined, arguments);
    };

    return wrapper;
  }));
};

/**
 * Remove a hook from a specific videojs lifecycle.
 *
 * @param {string} type
 *        the lifecycle that the function hooked to
 *
 * @param {Function} fn
 *        The hooked function to remove
 *
 * @return {boolean}
 *         The function that was removed or undef
 */
videojs.removeHook = function (type, fn) {
  var index = videojs.hooks(type).indexOf(fn);

  if (index <= -1) {
    return false;
  }

  videojs.hooks_[type] = videojs.hooks_[type].slice();
  videojs.hooks_[type].splice(index, 1);

  return true;
};

// Add default styles
if (window.VIDEOJS_NO_DYNAMIC_STYLE !== true && isReal()) {
  var style = $('.vjs-styles-defaults');

  if (!style) {
    style = createStyleElement('vjs-styles-defaults');
    var head = $('head');

    if (head) {
      head.insertBefore(style, head.firstChild);
    }
    setTextContent(style, '\n      .video-js {\n        width: 300px;\n        height: 150px;\n      }\n\n      .vjs-fluid {\n        padding-top: 56.25%\n      }\n    ');
  }
}

// Run Auto-load players
// You have to wait at least once in case this script is loaded after your
// video in the DOM (weird behavior only with minified version)
autoSetupTimeout(1, videojs);

/**
 * Current software version. Follows semver.
 *
 * @type {string}
 */
videojs.VERSION = version;

/**
 * The global options object. These are the settings that take effect
 * if no overrides are specified when the player is created.
 *
 * @type {Object}
 */
videojs.options = Player.prototype.options_;

/**
 * Get an object with the currently created players, keyed by player ID
 *
 * @return {Object}
 *         The created players
 */
videojs.getPlayers = function () {
  return Player.players;
};

/**
 * Get a single player based on an ID or DOM element.
 *
 * This is useful if you want to check if an element or ID has an associated
 * Video.js player, but not create one if it doesn't.
 *
 * @param   {string|Element} id
 *          An HTML element - `<video>`, `<audio>`, or `<video-js>` -
 *          or a string matching the `id` of such an element.
 *
 * @returns {Player|undefined}
 *          A player instance or `undefined` if there is no player instance
 *          matching the argument.
 */
videojs.getPlayer = function (id) {
  var players = Player.players;
  var tag = void 0;

  if (typeof id === 'string') {
    var nId = normalizeId(id);
    var player = players[nId];

    if (player) {
      return player;
    }

    tag = $('#' + nId);
  } else {
    tag = id;
  }

  if (isEl(tag)) {
    var _tag = tag,
        _player = _tag.player,
        playerId = _tag.playerId;

    // Element may have a `player` property referring to an already created
    // player instance. If so, return that.

    if (_player || players[playerId]) {
      return _player || players[playerId];
    }
  }
};

/**
 * Returns an array of all current players.
 *
 * @return {Array}
 *         An array of all players. The array will be in the order that
 *         `Object.keys` provides, which could potentially vary between
 *         JavaScript engines.
 *
 */
videojs.getAllPlayers = function () {
  return (

    // Disposed players leave a key with a `null` value, so we need to make sure
    // we filter those out.
    Object.keys(Player.players).map(function (k) {
      return Player.players[k];
    }).filter(Boolean)
  );
};

/**
 * Expose players object.
 *
 * @memberOf videojs
 * @property {Object} players
 */
videojs.players = Player.players;

/**
 * Get a component class object by name
 *
 * @borrows Component.getComponent as videojs.getComponent
 */
videojs.getComponent = Component.getComponent;

/**
 * Register a component so it can referred to by name. Used when adding to other
 * components, either through addChild `component.addChild('myComponent')` or through
 * default children options  `{ children: ['myComponent'] }`.
 *
 * > NOTE: You could also just initialize the component before adding.
 * `component.addChild(new MyComponent());`
 *
 * @param {string} name
 *        The class name of the component
 *
 * @param {Component} comp
 *        The component class
 *
 * @return {Component}
 *         The newly registered component
 */
videojs.registerComponent = function (name$$1, comp) {
  if (Tech.isTech(comp)) {
    log.warn('The ' + name$$1 + ' tech was registered as a component. It should instead be registered using videojs.registerTech(name, tech)');
  }

  Component.registerComponent.call(Component, name$$1, comp);
};

/**
 * Get a Tech class object by name
 *
 * @borrows Tech.getTech as videojs.getTech
 */
videojs.getTech = Tech.getTech;

/**
 * Register a Tech so it can referred to by name.
 * This is used in the tech order for the player.
 *
 * @borrows Tech.registerTech as videojs.registerTech
 */
videojs.registerTech = Tech.registerTech;

/**
 * Register a middleware to a source type.
 *
 * @param {String} type A string representing a MIME type.
 * @param {function(player):object} middleware A middleware factory that takes a player.
 */
videojs.use = use;

/**
 * An object that can be returned by a middleware to signify
 * that the middleware is being terminated.
 *
 * @type {object}
 * @memberOf {videojs}
 * @property {object} middleware.TERMINATOR
 */
// Object.defineProperty is not available in IE8
if (!IS_IE8 && Object.defineProperty) {
  Object.defineProperty(videojs, 'middleware', {
    value: {},
    writeable: false,
    enumerable: true
  });

  Object.defineProperty(videojs.middleware, 'TERMINATOR', {
    value: TERMINATOR,
    writeable: false,
    enumerable: true
  });
} else {
  videojs.middleware = { TERMINATOR: TERMINATOR };
}

/**
 * A suite of browser and device tests from {@link browser}.
 *
 * @type {Object}
 * @private
 */
videojs.browser = browser;

/**
 * Whether or not the browser supports touch events. Included for backward
 * compatibility with 4.x, but deprecated. Use `videojs.browser.TOUCH_ENABLED`
 * instead going forward.
 *
 * @deprecated since version 5.0
 * @type {boolean}
 */
videojs.TOUCH_ENABLED = TOUCH_ENABLED;

/**
 * Subclass an existing class
 * Mimics ES6 subclassing with the `extend` keyword
 *
 * @borrows extend:extendFn as videojs.extend
 */
videojs.extend = extendFn;

/**
 * Merge two options objects recursively
 * Performs a deep merge like lodash.merge but **only merges plain objects**
 * (not arrays, elements, anything else)
 * Other values will be copied directly from the second object.
 *
 * @borrows merge-options:mergeOptions as videojs.mergeOptions
 */
videojs.mergeOptions = mergeOptions;

/**
 * Change the context (this) of a function
 *
 * > NOTE: as of v5.0 we require an ES5 shim, so you should use the native
 * `function() {}.bind(newContext);` instead of this.
 *
 * @borrows fn:bind as videojs.bind
 */
videojs.bind = bind;

/**
 * Register a Video.js plugin.
 *
 * @borrows plugin:registerPlugin as videojs.registerPlugin
 * @method registerPlugin
 *
 * @param  {string} name
 *         The name of the plugin to be registered. Must be a string and
 *         must not match an existing plugin or a method on the `Player`
 *         prototype.
 *
 * @param  {Function} plugin
 *         A sub-class of `Plugin` or a function for basic plugins.
 *
 * @return {Function}
 *         For advanced plugins, a factory function for that plugin. For
 *         basic plugins, a wrapper function that initializes the plugin.
 */
videojs.registerPlugin = Plugin.registerPlugin;

/**
 * Deregister a Video.js plugin.
 *
 * @borrows plugin:deregisterPlugin as videojs.deregisterPlugin
 * @method deregisterPlugin
 *
 * @param  {string} name
 *         The name of the plugin to be deregistered. Must be a string and
 *         must match an existing plugin or a method on the `Player`
 *         prototype.
 *
 */
videojs.deregisterPlugin = Plugin.deregisterPlugin;

/**
 * Deprecated method to register a plugin with Video.js
 *
 * @deprecated
 *        videojs.plugin() is deprecated; use videojs.registerPlugin() instead
 *
 * @param {string} name
 *        The plugin name
 *
 * @param {Plugin|Function} plugin
 *         The plugin sub-class or function
 */
videojs.plugin = function (name$$1, plugin) {
  log.warn('videojs.plugin() is deprecated; use videojs.registerPlugin() instead');
  return Plugin.registerPlugin(name$$1, plugin);
};

/**
 * Gets an object containing multiple Video.js plugins.
 *
 * @param  {Array} [names]
 *         If provided, should be an array of plugin names. Defaults to _all_
 *         plugin names.
 *
 * @return {Object|undefined}
 *         An object containing plugin(s) associated with their name(s) or
 *         `undefined` if no matching plugins exist).
 */
videojs.getPlugins = Plugin.getPlugins;

/**
 * Gets a plugin by name if it exists.
 *
 * @param  {string} name
 *         The name of a plugin.
 *
 * @return {Function|undefined}
 *         The plugin (or `undefined`).
 */
videojs.getPlugin = Plugin.getPlugin;

/**
 * Gets a plugin's version, if available
 *
 * @param  {string} name
 *         The name of a plugin.
 *
 * @return {string}
 *         The plugin's version or an empty string.
 */
videojs.getPluginVersion = Plugin.getPluginVersion;

/**
 * Adding languages so that they're available to all players.
 * Example: `videojs.addLanguage('es', { 'Hello': 'Hola' });`
 *
 * @param {string} code
 *        The language code or dictionary property
 *
 * @param {Object} data
 *        The data values to be translated
 *
 * @return {Object}
 *         The resulting language dictionary object
 */
videojs.addLanguage = function (code, data) {
  var _mergeOptions;

  code = ('' + code).toLowerCase();

  videojs.options.languages = mergeOptions(videojs.options.languages, (_mergeOptions = {}, _mergeOptions[code] = data, _mergeOptions));

  return videojs.options.languages[code];
};

/**
 * Log messages
 *
 * @borrows log:log as videojs.log
 */
videojs.log = log;
videojs.createLogger = createLogger;

/**
 * Creates an emulated TimeRange object.
 *
 * @borrows time-ranges:createTimeRanges as videojs.createTimeRange
 */
/**
 * @borrows time-ranges:createTimeRanges as videojs.createTimeRanges
 */
videojs.createTimeRange = videojs.createTimeRanges = createTimeRanges;

/**
 * Format seconds as a time string, H:MM:SS or M:SS
 * Supplying a guide (in seconds) will force a number of leading zeros
 * to cover the length of the guide
 *
 * @borrows format-time:formatTime as videojs.formatTime
 */
videojs.formatTime = formatTime;

/**
 * Replaces format-time with a custom implementation, to be used in place of the default.
 *
 * @borrows format-time:setFormatTime as videojs.setFormatTime
 *
 * @method setFormatTime
 *
 * @param {Function} customFn
 *        A custom format-time function which will be called with the current time and guide (in seconds) as arguments.
 *        Passed fn should return a string.
 */
videojs.setFormatTime = setFormatTime;

/**
 * Resets format-time to the default implementation.
 *
 * @borrows format-time:resetFormatTime as videojs.resetFormatTime
 *
 * @method resetFormatTime
 */
videojs.resetFormatTime = resetFormatTime;

/**
 * Resolve and parse the elements of a URL
 *
 * @borrows url:parseUrl as videojs.parseUrl
 *
 */
videojs.parseUrl = parseUrl;

/**
 * Returns whether the url passed is a cross domain request or not.
 *
 * @borrows url:isCrossOrigin as videojs.isCrossOrigin
 */
videojs.isCrossOrigin = isCrossOrigin;

/**
 * Event target class.
 *
 * @borrows EventTarget as videojs.EventTarget
 */
videojs.EventTarget = EventTarget;

/**
 * Add an event listener to element
 * It stores the handler function in a separate cache object
 * and adds a generic handler to the element's event,
 * along with a unique id (guid) to the element.
 *
 * @borrows events:on as videojs.on
 */
videojs.on = on;

/**
 * Trigger a listener only once for an event
 *
 * @borrows events:one as videojs.one
 */
videojs.one = one;

/**
 * Removes event listeners from an element
 *
 * @borrows events:off as videojs.off
 */
videojs.off = off;

/**
 * Trigger an event for an element
 *
 * @borrows events:trigger as videojs.trigger
 */
videojs.trigger = trigger;

/**
 * A cross-browser XMLHttpRequest wrapper. Here's a simple example:
 *
 * @param {Object} options
 *        settings for the request.
 *
 * @return {XMLHttpRequest|XDomainRequest}
 *         The request object.
 *
 * @see https://github.com/Raynos/xhr
 */
videojs.xhr = xhr;

/**
 * TextTrack class
 *
 * @borrows TextTrack as videojs.TextTrack
 */
videojs.TextTrack = TextTrack;

/**
 * export the AudioTrack class so that source handlers can create
 * AudioTracks and then add them to the players AudioTrackList
 *
 * @borrows AudioTrack as videojs.AudioTrack
 */
videojs.AudioTrack = AudioTrack;

/**
 * export the VideoTrack class so that source handlers can create
 * VideoTracks and then add them to the players VideoTrackList
 *
 * @borrows VideoTrack as videojs.VideoTrack
 */
videojs.VideoTrack = VideoTrack;

/**
 * Determines, via duck typing, whether or not a value is a DOM element.
 *
 * @borrows dom:isEl as videojs.isEl
 * @deprecated Use videojs.dom.isEl() instead
 */

/**
 * Determines, via duck typing, whether or not a value is a text node.
 *
 * @borrows dom:isTextNode as videojs.isTextNode
 * @deprecated Use videojs.dom.isTextNode() instead
 */

/**
 * Creates an element and applies properties.
 *
 * @borrows dom:createEl as videojs.createEl
 * @deprecated Use videojs.dom.createEl() instead
 */

/**
 * Check if an element has a CSS class
 *
 * @borrows dom:hasElClass as videojs.hasClass
 * @deprecated Use videojs.dom.hasClass() instead
 */

/**
 * Add a CSS class name to an element
 *
 * @borrows dom:addElClass as videojs.addClass
 * @deprecated Use videojs.dom.addClass() instead
 */

/**
 * Remove a CSS class name from an element
 *
 * @borrows dom:removeElClass as videojs.removeClass
 * @deprecated Use videojs.dom.removeClass() instead
 */

/**
 * Adds or removes a CSS class name on an element depending on an optional
 * condition or the presence/absence of the class name.
 *
 * @borrows dom:toggleElClass as videojs.toggleClass
 * @deprecated Use videojs.dom.toggleClass() instead
 */

/**
 * Apply attributes to an HTML element.
 *
 * @borrows dom:setElAttributes as videojs.setAttribute
 * @deprecated Use videojs.dom.setAttributes() instead
 */

/**
 * Get an element's attribute values, as defined on the HTML tag
 * Attributes are not the same as properties. They're defined on the tag
 * or with setAttribute (which shouldn't be used with HTML)
 * This will return true or false for boolean attributes.
 *
 * @borrows dom:getElAttributes as videojs.getAttributes
 * @deprecated Use videojs.dom.getAttributes() instead
 */

/**
 * Empties the contents of an element.
 *
 * @borrows dom:emptyEl as videojs.emptyEl
 * @deprecated Use videojs.dom.emptyEl() instead
 */

/**
 * Normalizes and appends content to an element.
 *
 * The content for an element can be passed in multiple types and
 * combinations, whose behavior is as follows:
 *
 * - String
 *   Normalized into a text node.
 *
 * - Element, TextNode
 *   Passed through.
 *
 * - Array
 *   A one-dimensional array of strings, elements, nodes, or functions (which
 *   return single strings, elements, or nodes).
 *
 * - Function
 *   If the sole argument, is expected to produce a string, element,
 *   node, or array.
 *
 * @borrows dom:appendContents as videojs.appendContet
 * @deprecated Use videojs.dom.appendContent() instead
 */

/**
 * Normalizes and inserts content into an element; this is identical to
 * `appendContent()`, except it empties the element first.
 *
 * The content for an element can be passed in multiple types and
 * combinations, whose behavior is as follows:
 *
 * - String
 *   Normalized into a text node.
 *
 * - Element, TextNode
 *   Passed through.
 *
 * - Array
 *   A one-dimensional array of strings, elements, nodes, or functions (which
 *   return single strings, elements, or nodes).
 *
 * - Function
 *   If the sole argument, is expected to produce a string, element,
 *   node, or array.
 *
 * @borrows dom:insertContent as videojs.insertContent
 * @deprecated Use videojs.dom.insertContent() instead
 */
['isEl', 'isTextNode', 'createEl', 'hasClass', 'addClass', 'removeClass', 'toggleClass', 'setAttributes', 'getAttributes', 'emptyEl', 'appendContent', 'insertContent'].forEach(function (k) {
  videojs[k] = function () {
    log.warn('videojs.' + k + '() is deprecated; use videojs.dom.' + k + '() instead');
    return Dom[k].apply(null, arguments);
  };
});

/**
 * A safe getComputedStyle with an IE8 fallback.
 *
 * This is because in Firefox, if the player is loaded in an iframe with `display:none`,
 * then `getComputedStyle` returns `null`, so, we do a null-check to make sure
 * that the player doesn't break in these cases.
 * See https://bugzilla.mozilla.org/show_bug.cgi?id=548397 for more details.
 *
 * @borrows computed-style:computedStyle as videojs.computedStyle
 */
videojs.computedStyle = computedStyle;

/**
 * Export the Dom utilities for use in external plugins
 * and Tech's
 */
videojs.dom = Dom;

/**
 * Export the Url utilities for use in external plugins
 * and Tech's
 */
videojs.url = Url;

module.exports = videojs;


/***/ }),

/***/ "3f8c":
/***/ (function(module, exports) {

module.exports = {};


/***/ }),

/***/ "4105":
/***/ (function(module, exports, __webpack_require__) {

// extracted by mini-css-extract-plugin

/***/ }),

/***/ "4160":
/***/ (function(module, exports, __webpack_require__) {

"use strict";

var $ = __webpack_require__("23e7");
var forEach = __webpack_require__("17c2");

// `Array.prototype.forEach` method
// https://tc39.github.io/ecma262/#sec-array.prototype.foreach
$({ target: 'Array', proto: true, forced: [].forEach != forEach }, {
  forEach: forEach
});


/***/ }),

/***/ "41f8":
/***/ (function(module, exports, __webpack_require__) {

"use strict";


exports.__esModule = true;

var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };

exports.isVNode = isVNode;

var _util = __webpack_require__("8122");

function isVNode(node) {
  return node !== null && (typeof node === 'undefined' ? 'undefined' : _typeof(node)) === 'object' && (0, _util.hasOwn)(node, 'componentOptions');
};

/***/ }),

/***/ "428f":
/***/ (function(module, exports, __webpack_require__) {

var global = __webpack_require__("da84");

module.exports = global;


/***/ }),

/***/ "438f":
/***/ (function(module, exports, __webpack_require__) {

// extracted by mini-css-extract-plugin

/***/ }),

/***/ "44ad":
/***/ (function(module, exports, __webpack_require__) {

var fails = __webpack_require__("d039");
var classof = __webpack_require__("c6b6");

var split = ''.split;

// fallback for non-array-like ES3 and non-enumerable old V8 strings
module.exports = fails(function () {
  // throws an error in rhino, see https://github.com/mozilla/rhino/issues/346
  // eslint-disable-next-line no-prototype-builtins
  return !Object('z').propertyIsEnumerable(0);
}) ? function (it) {
  return classof(it) == 'String' ? split.call(it, '') : Object(it);
} : Object;


/***/ }),

/***/ "44d2":
/***/ (function(module, exports, __webpack_require__) {

var wellKnownSymbol = __webpack_require__("b622");
var create = __webpack_require__("7c73");
var definePropertyModule = __webpack_require__("9bf2");

var UNSCOPABLES = wellKnownSymbol('unscopables');
var ArrayPrototype = Array.prototype;

// Array.prototype[@@unscopables]
// https://tc39.github.io/ecma262/#sec-array.prototype-@@unscopables
if (ArrayPrototype[UNSCOPABLES] == undefined) {
  definePropertyModule.f(ArrayPrototype, UNSCOPABLES, {
    configurable: true,
    value: create(null)
  });
}

// add a key to Array.prototype[@@unscopables]
module.exports = function (key) {
  ArrayPrototype[UNSCOPABLES][key] = true;
};


/***/ }),

/***/ "44e7":
/***/ (function(module, exports, __webpack_require__) {

var isObject = __webpack_require__("861d");
var classof = __webpack_require__("c6b6");
var wellKnownSymbol = __webpack_require__("b622");

var MATCH = wellKnownSymbol('match');

// `IsRegExp` abstract operation
// https://tc39.github.io/ecma262/#sec-isregexp
module.exports = function (it) {
  var isRegExp;
  return isObject(it) && ((isRegExp = it[MATCH]) !== undefined ? !!isRegExp : classof(it) == 'RegExp');
};


/***/ }),

/***/ "450d":
/***/ (function(module, exports, __webpack_require__) {

// extracted by mini-css-extract-plugin

/***/ }),

/***/ "451f":
/***/ (function(module, exports, __webpack_require__) {

// extracted by mini-css-extract-plugin

/***/ }),

/***/ "4565":
/***/ (function(module, exports) {

module.exports = "data:image/png;base64,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"

/***/ }),

/***/ "466d":
/***/ (function(module, exports, __webpack_require__) {

"use strict";

var fixRegExpWellKnownSymbolLogic = __webpack_require__("d784");
var anObject = __webpack_require__("825a");
var toLength = __webpack_require__("50c4");
var requireObjectCoercible = __webpack_require__("1d80");
var advanceStringIndex = __webpack_require__("8aa5");
var regExpExec = __webpack_require__("14c3");

// @@match logic
fixRegExpWellKnownSymbolLogic('match', 1, function (MATCH, nativeMatch, maybeCallNative) {
  return [
    // `String.prototype.match` method
    // https://tc39.github.io/ecma262/#sec-string.prototype.match
    function match(regexp) {
      var O = requireObjectCoercible(this);
      var matcher = regexp == undefined ? undefined : regexp[MATCH];
      return matcher !== undefined ? matcher.call(regexp, O) : new RegExp(regexp)[MATCH](String(O));
    },
    // `RegExp.prototype[@@match]` method
    // https://tc39.github.io/ecma262/#sec-regexp.prototype-@@match
    function (regexp) {
      var res = maybeCallNative(nativeMatch, regexp, this);
      if (res.done) return res.value;

      var rx = anObject(regexp);
      var S = String(this);

      if (!rx.global) return regExpExec(rx, S);

      var fullUnicode = rx.unicode;
      rx.lastIndex = 0;
      var A = [];
      var n = 0;
      var result;
      while ((result = regExpExec(rx, S)) !== null) {
        var matchStr = String(result[0]);
        A[n] = matchStr;
        if (matchStr === '') rx.lastIndex = advanceStringIndex(S, toLength(rx.lastIndex), fullUnicode);
        n++;
      }
      return n === 0 ? null : A;
    }
  ];
});


/***/ }),

/***/ "469b":
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
/* harmony import */ var _node_modules_mini_css_extract_plugin_dist_loader_js_ref_8_oneOf_1_0_node_modules_css_loader_dist_cjs_js_ref_8_oneOf_1_1_node_modules_vue_loader_lib_loaders_stylePostLoader_js_node_modules_postcss_loader_src_index_js_ref_8_oneOf_1_2_node_modules_sass_loader_dist_cjs_js_ref_8_oneOf_1_3_node_modules_cache_loader_dist_cjs_js_ref_0_0_node_modules_vue_loader_lib_index_js_vue_loader_options_audio_player_vue_vue_type_style_index_0_lang_scss___WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__("20ec");
/* harmony import */ var _node_modules_mini_css_extract_plugin_dist_loader_js_ref_8_oneOf_1_0_node_modules_css_loader_dist_cjs_js_ref_8_oneOf_1_1_node_modules_vue_loader_lib_loaders_stylePostLoader_js_node_modules_postcss_loader_src_index_js_ref_8_oneOf_1_2_node_modules_sass_loader_dist_cjs_js_ref_8_oneOf_1_3_node_modules_cache_loader_dist_cjs_js_ref_0_0_node_modules_vue_loader_lib_index_js_vue_loader_options_audio_player_vue_vue_type_style_index_0_lang_scss___WEBPACK_IMPORTED_MODULE_0___default = /*#__PURE__*/__webpack_require__.n(_node_modules_mini_css_extract_plugin_dist_loader_js_ref_8_oneOf_1_0_node_modules_css_loader_dist_cjs_js_ref_8_oneOf_1_1_node_modules_vue_loader_lib_loaders_stylePostLoader_js_node_modules_postcss_loader_src_index_js_ref_8_oneOf_1_2_node_modules_sass_loader_dist_cjs_js_ref_8_oneOf_1_3_node_modules_cache_loader_dist_cjs_js_ref_0_0_node_modules_vue_loader_lib_index_js_vue_loader_options_audio_player_vue_vue_type_style_index_0_lang_scss___WEBPACK_IMPORTED_MODULE_0__);
/* unused harmony reexport * */
 /* unused harmony default export */ var _unused_webpack_default_export = (_node_modules_mini_css_extract_plugin_dist_loader_js_ref_8_oneOf_1_0_node_modules_css_loader_dist_cjs_js_ref_8_oneOf_1_1_node_modules_vue_loader_lib_loaders_stylePostLoader_js_node_modules_postcss_loader_src_index_js_ref_8_oneOf_1_2_node_modules_sass_loader_dist_cjs_js_ref_8_oneOf_1_3_node_modules_cache_loader_dist_cjs_js_ref_0_0_node_modules_vue_loader_lib_index_js_vue_loader_options_audio_player_vue_vue_type_style_index_0_lang_scss___WEBPACK_IMPORTED_MODULE_0___default.a); 

/***/ }),

/***/ "4840":
/***/ (function(module, exports, __webpack_require__) {

var anObject = __webpack_require__("825a");
var aFunction = __webpack_require__("1c0b");
var wellKnownSymbol = __webpack_require__("b622");

var SPECIES = wellKnownSymbol('species');

// `SpeciesConstructor` abstract operation
// https://tc39.github.io/ecma262/#sec-speciesconstructor
module.exports = function (O, defaultConstructor) {
  var C = anObject(O).constructor;
  var S;
  return C === undefined || (S = anObject(C)[SPECIES]) == undefined ? defaultConstructor : aFunction(S);
};


/***/ }),

/***/ "4930":
/***/ (function(module, exports, __webpack_require__) {

var fails = __webpack_require__("d039");

module.exports = !!Object.getOwnPropertySymbols && !fails(function () {
  // Chrome 38 Symbol has incorrect toString conversion
  // eslint-disable-next-line no-undef
  return !String(Symbol());
});


/***/ }),

/***/ "4b26":
/***/ (function(module, exports, __webpack_require__) {

"use strict";


exports.__esModule = true;

var _vue = __webpack_require__("8bbf");

var _vue2 = _interopRequireDefault(_vue);

var _dom = __webpack_require__("5924");

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

var hasModal = false;
var hasInitZIndex = false;
var zIndex = void 0;

var getModal = function getModal() {
  if (_vue2.default.prototype.$isServer) return;
  var modalDom = PopupManager.modalDom;
  if (modalDom) {
    hasModal = true;
  } else {
    hasModal = false;
    modalDom = document.createElement('div');
    PopupManager.modalDom = modalDom;

    modalDom.addEventListener('touchmove', function (event) {
      event.preventDefault();
      event.stopPropagation();
    });

    modalDom.addEventListener('click', function () {
      PopupManager.doOnModalClick && PopupManager.doOnModalClick();
    });
  }

  return modalDom;
};

var instances = {};

var PopupManager = {
  modalFade: true,

  getInstance: function getInstance(id) {
    return instances[id];
  },

  register: function register(id, instance) {
    if (id && instance) {
      instances[id] = instance;
    }
  },

  deregister: function deregister(id) {
    if (id) {
      instances[id] = null;
      delete instances[id];
    }
  },

  nextZIndex: function nextZIndex() {
    return PopupManager.zIndex++;
  },

  modalStack: [],

  doOnModalClick: function doOnModalClick() {
    var topItem = PopupManager.modalStack[PopupManager.modalStack.length - 1];
    if (!topItem) return;

    var instance = PopupManager.getInstance(topItem.id);
    if (instance && instance.closeOnClickModal) {
      instance.close();
    }
  },

  openModal: function openModal(id, zIndex, dom, modalClass, modalFade) {
    if (_vue2.default.prototype.$isServer) return;
    if (!id || zIndex === undefined) return;
    this.modalFade = modalFade;

    var modalStack = this.modalStack;

    for (var i = 0, j = modalStack.length; i < j; i++) {
      var item = modalStack[i];
      if (item.id === id) {
        return;
      }
    }

    var modalDom = getModal();

    (0, _dom.addClass)(modalDom, 'v-modal');
    if (this.modalFade && !hasModal) {
      (0, _dom.addClass)(modalDom, 'v-modal-enter');
    }
    if (modalClass) {
      var classArr = modalClass.trim().split(/\s+/);
      classArr.forEach(function (item) {
        return (0, _dom.addClass)(modalDom, item);
      });
    }
    setTimeout(function () {
      (0, _dom.removeClass)(modalDom, 'v-modal-enter');
    }, 200);

    if (dom && dom.parentNode && dom.parentNode.nodeType !== 11) {
      dom.parentNode.appendChild(modalDom);
    } else {
      document.body.appendChild(modalDom);
    }

    if (zIndex) {
      modalDom.style.zIndex = zIndex;
    }
    modalDom.tabIndex = 0;
    modalDom.style.display = '';

    this.modalStack.push({ id: id, zIndex: zIndex, modalClass: modalClass });
  },

  closeModal: function closeModal(id) {
    var modalStack = this.modalStack;
    var modalDom = getModal();

    if (modalStack.length > 0) {
      var topItem = modalStack[modalStack.length - 1];
      if (topItem.id === id) {
        if (topItem.modalClass) {
          var classArr = topItem.modalClass.trim().split(/\s+/);
          classArr.forEach(function (item) {
            return (0, _dom.removeClass)(modalDom, item);
          });
        }

        modalStack.pop();
        if (modalStack.length > 0) {
          modalDom.style.zIndex = modalStack[modalStack.length - 1].zIndex;
        }
      } else {
        for (var i = modalStack.length - 1; i >= 0; i--) {
          if (modalStack[i].id === id) {
            modalStack.splice(i, 1);
            break;
          }
        }
      }
    }

    if (modalStack.length === 0) {
      if (this.modalFade) {
        (0, _dom.addClass)(modalDom, 'v-modal-leave');
      }
      setTimeout(function () {
        if (modalStack.length === 0) {
          if (modalDom.parentNode) modalDom.parentNode.removeChild(modalDom);
          modalDom.style.display = 'none';
          PopupManager.modalDom = undefined;
        }
        (0, _dom.removeClass)(modalDom, 'v-modal-leave');
      }, 200);
    }
  }
};

Object.defineProperty(PopupManager, 'zIndex', {
  configurable: true,
  get: function get() {
    if (!hasInitZIndex) {
      zIndex = zIndex || (_vue2.default.prototype.$ELEMENT || {}).zIndex || 2000;
      hasInitZIndex = true;
    }
    return zIndex;
  },
  set: function set(value) {
    zIndex = value;
  }
});

var getTopPopup = function getTopPopup() {
  if (_vue2.default.prototype.$isServer) return;
  if (PopupManager.modalStack.length > 0) {
    var topPopup = PopupManager.modalStack[PopupManager.modalStack.length - 1];
    if (!topPopup) return;
    var instance = PopupManager.getInstance(topPopup.id);

    return instance;
  }
};

if (!_vue2.default.prototype.$isServer) {
  // handle `esc` key when the popup is shown
  window.addEventListener('keydown', function (event) {
    if (event.keyCode === 27) {
      var topPopup = getTopPopup();

      if (topPopup && topPopup.closeOnPressEscape) {
        topPopup.handleClose ? topPopup.handleClose() : topPopup.handleAction ? topPopup.handleAction('cancel') : topPopup.close();
      }
    }
  });
}

exports.default = PopupManager;

/***/ }),

/***/ "4d64":
/***/ (function(module, exports, __webpack_require__) {

var toIndexedObject = __webpack_require__("fc6a");
var toLength = __webpack_require__("50c4");
var toAbsoluteIndex = __webpack_require__("23cb");

// `Array.prototype.{ indexOf, includes }` methods implementation
var createMethod = function (IS_INCLUDES) {
  return function ($this, el, fromIndex) {
    var O = toIndexedObject($this);
    var length = toLength(O.length);
    var index = toAbsoluteIndex(fromIndex, length);
    var value;
    // Array#includes uses SameValueZero equality algorithm
    // eslint-disable-next-line no-self-compare
    if (IS_INCLUDES && el != el) while (length > index) {
      value = O[index++];
      // eslint-disable-next-line no-self-compare
      if (value != value) return true;
    // Array#indexOf ignores holes, Array#includes - not
    } else for (;length > index; index++) {
      if ((IS_INCLUDES || index in O) && O[index] === el) return IS_INCLUDES || index || 0;
    } return !IS_INCLUDES && -1;
  };
};

module.exports = {
  // `Array.prototype.includes` method
  // https://tc39.github.io/ecma262/#sec-array.prototype.includes
  includes: createMethod(true),
  // `Array.prototype.indexOf` method
  // https://tc39.github.io/ecma262/#sec-array.prototype.indexof
  indexOf: createMethod(false)
};


/***/ }),

/***/ "4de4":
/***/ (function(module, exports, __webpack_require__) {

"use strict";

var $ = __webpack_require__("23e7");
var $filter = __webpack_require__("b727").filter;
var arrayMethodHasSpeciesSupport = __webpack_require__("1dde");
var arrayMethodUsesToLength = __webpack_require__("ae40");

var HAS_SPECIES_SUPPORT = arrayMethodHasSpeciesSupport('filter');
// Edge 14- issue
var USES_TO_LENGTH = arrayMethodUsesToLength('filter');

// `Array.prototype.filter` method
// https://tc39.github.io/ecma262/#sec-array.prototype.filter
// with adding support of @@species
$({ target: 'Array', proto: true, forced: !HAS_SPECIES_SUPPORT || !USES_TO_LENGTH }, {
  filter: function filter(callbackfn /* , thisArg */) {
    return $filter(this, callbackfn, arguments.length > 1 ? arguments[1] : undefined);
  }
});


/***/ }),

/***/ "4df4":
/***/ (function(module, exports, __webpack_require__) {

"use strict";

var bind = __webpack_require__("0366");
var toObject = __webpack_require__("7b0b");
var callWithSafeIterationClosing = __webpack_require__("9bdd");
var isArrayIteratorMethod = __webpack_require__("e95a");
var toLength = __webpack_require__("50c4");
var createProperty = __webpack_require__("8418");
var getIteratorMethod = __webpack_require__("35a1");

// `Array.from` method implementation
// https://tc39.github.io/ecma262/#sec-array.from
module.exports = function from(arrayLike /* , mapfn = undefined, thisArg = undefined */) {
  var O = toObject(arrayLike);
  var C = typeof this == 'function' ? this : Array;
  var argumentsLength = arguments.length;
  var mapfn = argumentsLength > 1 ? arguments[1] : undefined;
  var mapping = mapfn !== undefined;
  var iteratorMethod = getIteratorMethod(O);
  var index = 0;
  var length, result, step, iterator, next, value;
  if (mapping) mapfn = bind(mapfn, argumentsLength > 2 ? arguments[2] : undefined, 2);
  // if the target is not iterable or it's an array with the default iterator - use a simple case
  if (iteratorMethod != undefined && !(C == Array && isArrayIteratorMethod(iteratorMethod))) {
    iterator = iteratorMethod.call(O);
    next = iterator.next;
    result = new C();
    for (;!(step = next.call(iterator)).done; index++) {
      value = mapping ? callWithSafeIterationClosing(iterator, mapfn, [step.value, index], true) : step.value;
      createProperty(result, index, value);
    }
  } else {
    length = toLength(O.length);
    result = new C(length);
    for (;length > index; index++) {
      value = mapping ? mapfn(O[index], index) : O[index];
      createProperty(result, index, value);
    }
  }
  result.length = index;
  return result;
};


/***/ }),

/***/ "50c4":
/***/ (function(module, exports, __webpack_require__) {

var toInteger = __webpack_require__("a691");

var min = Math.min;

// `ToLength` abstract operation
// https://tc39.github.io/ecma262/#sec-tolength
module.exports = function (argument) {
  return argument > 0 ? min(toInteger(argument), 0x1FFFFFFFFFFFFF) : 0; // 2 ** 53 - 1 == 9007199254740991
};


/***/ }),

/***/ "5128":
/***/ (function(module, exports, __webpack_require__) {

"use strict";


exports.__esModule = true;
exports.PopupManager = undefined;

var _vue = __webpack_require__("8bbf");

var _vue2 = _interopRequireDefault(_vue);

var _merge = __webpack_require__("7f4d");

var _merge2 = _interopRequireDefault(_merge);

var _popupManager = __webpack_require__("4b26");

var _popupManager2 = _interopRequireDefault(_popupManager);

var _scrollbarWidth = __webpack_require__("e62d");

var _scrollbarWidth2 = _interopRequireDefault(_scrollbarWidth);

var _dom = __webpack_require__("5924");

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

var idSeed = 1;

var scrollBarWidth = void 0;

exports.default = {
  props: {
    visible: {
      type: Boolean,
      default: false
    },
    openDelay: {},
    closeDelay: {},
    zIndex: {},
    modal: {
      type: Boolean,
      default: false
    },
    modalFade: {
      type: Boolean,
      default: true
    },
    modalClass: {},
    modalAppendToBody: {
      type: Boolean,
      default: false
    },
    lockScroll: {
      type: Boolean,
      default: true
    },
    closeOnPressEscape: {
      type: Boolean,
      default: false
    },
    closeOnClickModal: {
      type: Boolean,
      default: false
    }
  },

  beforeMount: function beforeMount() {
    this._popupId = 'popup-' + idSeed++;
    _popupManager2.default.register(this._popupId, this);
  },
  beforeDestroy: function beforeDestroy() {
    _popupManager2.default.deregister(this._popupId);
    _popupManager2.default.closeModal(this._popupId);

    this.restoreBodyStyle();
  },
  data: function data() {
    return {
      opened: false,
      bodyPaddingRight: null,
      computedBodyPaddingRight: 0,
      withoutHiddenClass: true,
      rendered: false
    };
  },


  watch: {
    visible: function visible(val) {
      var _this = this;

      if (val) {
        if (this._opening) return;
        if (!this.rendered) {
          this.rendered = true;
          _vue2.default.nextTick(function () {
            _this.open();
          });
        } else {
          this.open();
        }
      } else {
        this.close();
      }
    }
  },

  methods: {
    open: function open(options) {
      var _this2 = this;

      if (!this.rendered) {
        this.rendered = true;
      }

      var props = (0, _merge2.default)({}, this.$props || this, options);

      if (this._closeTimer) {
        clearTimeout(this._closeTimer);
        this._closeTimer = null;
      }
      clearTimeout(this._openTimer);

      var openDelay = Number(props.openDelay);
      if (openDelay > 0) {
        this._openTimer = setTimeout(function () {
          _this2._openTimer = null;
          _this2.doOpen(props);
        }, openDelay);
      } else {
        this.doOpen(props);
      }
    },
    doOpen: function doOpen(props) {
      if (this.$isServer) return;
      if (this.willOpen && !this.willOpen()) return;
      if (this.opened) return;

      this._opening = true;

      var dom = this.$el;

      var modal = props.modal;

      var zIndex = props.zIndex;
      if (zIndex) {
        _popupManager2.default.zIndex = zIndex;
      }

      if (modal) {
        if (this._closing) {
          _popupManager2.default.closeModal(this._popupId);
          this._closing = false;
        }
        _popupManager2.default.openModal(this._popupId, _popupManager2.default.nextZIndex(), this.modalAppendToBody ? undefined : dom, props.modalClass, props.modalFade);
        if (props.lockScroll) {
          this.withoutHiddenClass = !(0, _dom.hasClass)(document.body, 'el-popup-parent--hidden');
          if (this.withoutHiddenClass) {
            this.bodyPaddingRight = document.body.style.paddingRight;
            this.computedBodyPaddingRight = parseInt((0, _dom.getStyle)(document.body, 'paddingRight'), 10);
          }
          scrollBarWidth = (0, _scrollbarWidth2.default)();
          var bodyHasOverflow = document.documentElement.clientHeight < document.body.scrollHeight;
          var bodyOverflowY = (0, _dom.getStyle)(document.body, 'overflowY');
          if (scrollBarWidth > 0 && (bodyHasOverflow || bodyOverflowY === 'scroll') && this.withoutHiddenClass) {
            document.body.style.paddingRight = this.computedBodyPaddingRight + scrollBarWidth + 'px';
          }
          (0, _dom.addClass)(document.body, 'el-popup-parent--hidden');
        }
      }

      if (getComputedStyle(dom).position === 'static') {
        dom.style.position = 'absolute';
      }

      dom.style.zIndex = _popupManager2.default.nextZIndex();
      this.opened = true;

      this.onOpen && this.onOpen();

      this.doAfterOpen();
    },
    doAfterOpen: function doAfterOpen() {
      this._opening = false;
    },
    close: function close() {
      var _this3 = this;

      if (this.willClose && !this.willClose()) return;

      if (this._openTimer !== null) {
        clearTimeout(this._openTimer);
        this._openTimer = null;
      }
      clearTimeout(this._closeTimer);

      var closeDelay = Number(this.closeDelay);

      if (closeDelay > 0) {
        this._closeTimer = setTimeout(function () {
          _this3._closeTimer = null;
          _this3.doClose();
        }, closeDelay);
      } else {
        this.doClose();
      }
    },
    doClose: function doClose() {
      this._closing = true;

      this.onClose && this.onClose();

      if (this.lockScroll) {
        setTimeout(this.restoreBodyStyle, 200);
      }

      this.opened = false;

      this.doAfterClose();
    },
    doAfterClose: function doAfterClose() {
      _popupManager2.default.closeModal(this._popupId);
      this._closing = false;
    },
    restoreBodyStyle: function restoreBodyStyle() {
      if (this.modal && this.withoutHiddenClass) {
        document.body.style.paddingRight = this.bodyPaddingRight;
        (0, _dom.removeClass)(document.body, 'el-popup-parent--hidden');
      }
      this.withoutHiddenClass = true;
    }
  }
};
exports.PopupManager = _popupManager2.default;

/***/ }),

/***/ "5135":
/***/ (function(module, exports) {

var hasOwnProperty = {}.hasOwnProperty;

module.exports = function (it, key) {
  return hasOwnProperty.call(it, key);
};


/***/ }),

/***/ "5319":
/***/ (function(module, exports, __webpack_require__) {

"use strict";

var fixRegExpWellKnownSymbolLogic = __webpack_require__("d784");
var anObject = __webpack_require__("825a");
var toObject = __webpack_require__("7b0b");
var toLength = __webpack_require__("50c4");
var toInteger = __webpack_require__("a691");
var requireObjectCoercible = __webpack_require__("1d80");
var advanceStringIndex = __webpack_require__("8aa5");
var regExpExec = __webpack_require__("14c3");

var max = Math.max;
var min = Math.min;
var floor = Math.floor;
var SUBSTITUTION_SYMBOLS = /\$([$&'`]|\d\d?|<[^>]*>)/g;
var SUBSTITUTION_SYMBOLS_NO_NAMED = /\$([$&'`]|\d\d?)/g;

var maybeToString = function (it) {
  return it === undefined ? it : String(it);
};

// @@replace logic
fixRegExpWellKnownSymbolLogic('replace', 2, function (REPLACE, nativeReplace, maybeCallNative, reason) {
  var REGEXP_REPLACE_SUBSTITUTES_UNDEFINED_CAPTURE = reason.REGEXP_REPLACE_SUBSTITUTES_UNDEFINED_CAPTURE;
  var REPLACE_KEEPS_$0 = reason.REPLACE_KEEPS_$0;
  var UNSAFE_SUBSTITUTE = REGEXP_REPLACE_SUBSTITUTES_UNDEFINED_CAPTURE ? '$' : '$0';

  return [
    // `String.prototype.replace` method
    // https://tc39.github.io/ecma262/#sec-string.prototype.replace
    function replace(searchValue, replaceValue) {
      var O = requireObjectCoercible(this);
      var replacer = searchValue == undefined ? undefined : searchValue[REPLACE];
      return replacer !== undefined
        ? replacer.call(searchValue, O, replaceValue)
        : nativeReplace.call(String(O), searchValue, replaceValue);
    },
    // `RegExp.prototype[@@replace]` method
    // https://tc39.github.io/ecma262/#sec-regexp.prototype-@@replace
    function (regexp, replaceValue) {
      if (
        (!REGEXP_REPLACE_SUBSTITUTES_UNDEFINED_CAPTURE && REPLACE_KEEPS_$0) ||
        (typeof replaceValue === 'string' && replaceValue.indexOf(UNSAFE_SUBSTITUTE) === -1)
      ) {
        var res = maybeCallNative(nativeReplace, regexp, this, replaceValue);
        if (res.done) return res.value;
      }

      var rx = anObject(regexp);
      var S = String(this);

      var functionalReplace = typeof replaceValue === 'function';
      if (!functionalReplace) replaceValue = String(replaceValue);

      var global = rx.global;
      if (global) {
        var fullUnicode = rx.unicode;
        rx.lastIndex = 0;
      }
      var results = [];
      while (true) {
        var result = regExpExec(rx, S);
        if (result === null) break;

        results.push(result);
        if (!global) break;

        var matchStr = String(result[0]);
        if (matchStr === '') rx.lastIndex = advanceStringIndex(S, toLength(rx.lastIndex), fullUnicode);
      }

      var accumulatedResult = '';
      var nextSourcePosition = 0;
      for (var i = 0; i < results.length; i++) {
        result = results[i];

        var matched = String(result[0]);
        var position = max(min(toInteger(result.index), S.length), 0);
        var captures = [];
        // NOTE: This is equivalent to
        //   captures = result.slice(1).map(maybeToString)
        // but for some reason `nativeSlice.call(result, 1, result.length)` (called in
        // the slice polyfill when slicing native arrays) "doesn't work" in safari 9 and
        // causes a crash (https://pastebin.com/N21QzeQA) when trying to debug it.
        for (var j = 1; j < result.length; j++) captures.push(maybeToString(result[j]));
        var namedCaptures = result.groups;
        if (functionalReplace) {
          var replacerArgs = [matched].concat(captures, position, S);
          if (namedCaptures !== undefined) replacerArgs.push(namedCaptures);
          var replacement = String(replaceValue.apply(undefined, replacerArgs));
        } else {
          replacement = getSubstitution(matched, S, position, captures, namedCaptures, replaceValue);
        }
        if (position >= nextSourcePosition) {
          accumulatedResult += S.slice(nextSourcePosition, position) + replacement;
          nextSourcePosition = position + matched.length;
        }
      }
      return accumulatedResult + S.slice(nextSourcePosition);
    }
  ];

  // https://tc39.github.io/ecma262/#sec-getsubstitution
  function getSubstitution(matched, str, position, captures, namedCaptures, replacement) {
    var tailPos = position + matched.length;
    var m = captures.length;
    var symbols = SUBSTITUTION_SYMBOLS_NO_NAMED;
    if (namedCaptures !== undefined) {
      namedCaptures = toObject(namedCaptures);
      symbols = SUBSTITUTION_SYMBOLS;
    }
    return nativeReplace.call(replacement, symbols, function (match, ch) {
      var capture;
      switch (ch.charAt(0)) {
        case '$': return '$';
        case '&': return matched;
        case '`': return str.slice(0, position);
        case "'": return str.slice(tailPos);
        case '<':
          capture = namedCaptures[ch.slice(1, -1)];
          break;
        default: // \d\d?
          var n = +ch;
          if (n === 0) return match;
          if (n > m) {
            var f = floor(n / 10);
            if (f === 0) return match;
            if (f <= m) return captures[f - 1] === undefined ? ch.charAt(1) : captures[f - 1] + ch.charAt(1);
            return match;
          }
          capture = captures[n - 1];
      }
      return capture === undefined ? '' : capture;
    });
  }
});


/***/ }),

/***/ "53a8":
/***/ (function(module, exports) {

module.exports = extend

var hasOwnProperty = Object.prototype.hasOwnProperty;

function extend() {
    var target = {}

    for (var i = 0; i < arguments.length; i++) {
        var source = arguments[i]

        for (var key in source) {
            if (hasOwnProperty.call(source, key)) {
                target[key] = source[key]
            }
        }
    }

    return target
}


/***/ }),

/***/ "5692":
/***/ (function(module, exports, __webpack_require__) {

var IS_PURE = __webpack_require__("c430");
var store = __webpack_require__("c6cd");

(module.exports = function (key, value) {
  return store[key] || (store[key] = value !== undefined ? value : {});
})('versions', []).push({
  version: '3.6.5',
  mode: IS_PURE ? 'pure' : 'global',
  copyright: '© 2020 Denis Pushkarev (zloirock.ru)'
});


/***/ }),

/***/ "56ef":
/***/ (function(module, exports, __webpack_require__) {

var getBuiltIn = __webpack_require__("d066");
var getOwnPropertyNamesModule = __webpack_require__("241c");
var getOwnPropertySymbolsModule = __webpack_require__("7418");
var anObject = __webpack_require__("825a");

// all object keys, includes non-enumerable and symbols
module.exports = getBuiltIn('Reflect', 'ownKeys') || function ownKeys(it) {
  var keys = getOwnPropertyNamesModule.f(anObject(it));
  var getOwnPropertySymbols = getOwnPropertySymbolsModule.f;
  return getOwnPropertySymbols ? keys.concat(getOwnPropertySymbols(it)) : keys;
};


/***/ }),

/***/ "5899":
/***/ (function(module, exports) {

// a string of all valid unicode whitespaces
// eslint-disable-next-line max-len
module.exports = '\u0009\u000A\u000B\u000C\u000D\u0020\u00A0\u1680\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200A\u202F\u205F\u3000\u2028\u2029\uFEFF';


/***/ }),

/***/ "58a8":
/***/ (function(module, exports, __webpack_require__) {

var requireObjectCoercible = __webpack_require__("1d80");
var whitespaces = __webpack_require__("5899");

var whitespace = '[' + whitespaces + ']';
var ltrim = RegExp('^' + whitespace + whitespace + '*');
var rtrim = RegExp(whitespace + whitespace + '*$');

// `String.prototype.{ trim, trimStart, trimEnd, trimLeft, trimRight }` methods implementation
var createMethod = function (TYPE) {
  return function ($this) {
    var string = String(requireObjectCoercible($this));
    if (TYPE & 1) string = string.replace(ltrim, '');
    if (TYPE & 2) string = string.replace(rtrim, '');
    return string;
  };
};

module.exports = {
  // `String.prototype.{ trimLeft, trimStart }` methods
  // https://tc39.github.io/ecma262/#sec-string.prototype.trimstart
  start: createMethod(1),
  // `String.prototype.{ trimRight, trimEnd }` methods
  // https://tc39.github.io/ecma262/#sec-string.prototype.trimend
  end: createMethod(2),
  // `String.prototype.trim` method
  // https://tc39.github.io/ecma262/#sec-string.prototype.trim
  trim: createMethod(3)
};


/***/ }),

/***/ "5924":
/***/ (function(module, exports, __webpack_require__) {

"use strict";


exports.__esModule = true;
exports.isInContainer = exports.getScrollContainer = exports.isScroll = exports.getStyle = exports.once = exports.off = exports.on = undefined;

var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; /* istanbul ignore next */

exports.hasClass = hasClass;
exports.addClass = addClass;
exports.removeClass = removeClass;
exports.setStyle = setStyle;

var _vue = __webpack_require__("8bbf");

var _vue2 = _interopRequireDefault(_vue);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

var isServer = _vue2.default.prototype.$isServer;
var SPECIAL_CHARS_REGEXP = /([\:\-\_]+(.))/g;
var MOZ_HACK_REGEXP = /^moz([A-Z])/;
var ieVersion = isServer ? 0 : Number(document.documentMode);

/* istanbul ignore next */
var trim = function trim(string) {
  return (string || '').replace(/^[\s\uFEFF]+|[\s\uFEFF]+$/g, '');
};
/* istanbul ignore next */
var camelCase = function camelCase(name) {
  return name.replace(SPECIAL_CHARS_REGEXP, function (_, separator, letter, offset) {
    return offset ? letter.toUpperCase() : letter;
  }).replace(MOZ_HACK_REGEXP, 'Moz$1');
};

/* istanbul ignore next */
var on = exports.on = function () {
  if (!isServer && document.addEventListener) {
    return function (element, event, handler) {
      if (element && event && handler) {
        element.addEventListener(event, handler, false);
      }
    };
  } else {
    return function (element, event, handler) {
      if (element && event && handler) {
        element.attachEvent('on' + event, handler);
      }
    };
  }
}();

/* istanbul ignore next */
var off = exports.off = function () {
  if (!isServer && document.removeEventListener) {
    return function (element, event, handler) {
      if (element && event) {
        element.removeEventListener(event, handler, false);
      }
    };
  } else {
    return function (element, event, handler) {
      if (element && event) {
        element.detachEvent('on' + event, handler);
      }
    };
  }
}();

/* istanbul ignore next */
var once = exports.once = function once(el, event, fn) {
  var listener = function listener() {
    if (fn) {
      fn.apply(this, arguments);
    }
    off(el, event, listener);
  };
  on(el, event, listener);
};

/* istanbul ignore next */
function hasClass(el, cls) {
  if (!el || !cls) return false;
  if (cls.indexOf(' ') !== -1) throw new Error('className should not contain space.');
  if (el.classList) {
    return el.classList.contains(cls);
  } else {
    return (' ' + el.className + ' ').indexOf(' ' + cls + ' ') > -1;
  }
};

/* istanbul ignore next */
function addClass(el, cls) {
  if (!el) return;
  var curClass = el.className;
  var classes = (cls || '').split(' ');

  for (var i = 0, j = classes.length; i < j; i++) {
    var clsName = classes[i];
    if (!clsName) continue;

    if (el.classList) {
      el.classList.add(clsName);
    } else if (!hasClass(el, clsName)) {
      curClass += ' ' + clsName;
    }
  }
  if (!el.classList) {
    el.className = curClass;
  }
};

/* istanbul ignore next */
function removeClass(el, cls) {
  if (!el || !cls) return;
  var classes = cls.split(' ');
  var curClass = ' ' + el.className + ' ';

  for (var i = 0, j = classes.length; i < j; i++) {
    var clsName = classes[i];
    if (!clsName) continue;

    if (el.classList) {
      el.classList.remove(clsName);
    } else if (hasClass(el, clsName)) {
      curClass = curClass.replace(' ' + clsName + ' ', ' ');
    }
  }
  if (!el.classList) {
    el.className = trim(curClass);
  }
};

/* istanbul ignore next */
var getStyle = exports.getStyle = ieVersion < 9 ? function (element, styleName) {
  if (isServer) return;
  if (!element || !styleName) return null;
  styleName = camelCase(styleName);
  if (styleName === 'float') {
    styleName = 'styleFloat';
  }
  try {
    switch (styleName) {
      case 'opacity':
        try {
          return element.filters.item('alpha').opacity / 100;
        } catch (e) {
          return 1.0;
        }
      default:
        return element.style[styleName] || element.currentStyle ? element.currentStyle[styleName] : null;
    }
  } catch (e) {
    return element.style[styleName];
  }
} : function (element, styleName) {
  if (isServer) return;
  if (!element || !styleName) return null;
  styleName = camelCase(styleName);
  if (styleName === 'float') {
    styleName = 'cssFloat';
  }
  try {
    var computed = document.defaultView.getComputedStyle(element, '');
    return element.style[styleName] || computed ? computed[styleName] : null;
  } catch (e) {
    return element.style[styleName];
  }
};

/* istanbul ignore next */
function setStyle(element, styleName, value) {
  if (!element || !styleName) return;

  if ((typeof styleName === 'undefined' ? 'undefined' : _typeof(styleName)) === 'object') {
    for (var prop in styleName) {
      if (styleName.hasOwnProperty(prop)) {
        setStyle(element, prop, styleName[prop]);
      }
    }
  } else {
    styleName = camelCase(styleName);
    if (styleName === 'opacity' && ieVersion < 9) {
      element.style.filter = isNaN(value) ? '' : 'alpha(opacity=' + value * 100 + ')';
    } else {
      element.style[styleName] = value;
    }
  }
};

var isScroll = exports.isScroll = function isScroll(el, vertical) {
  if (isServer) return;

  var determinedDirection = vertical !== null || vertical !== undefined;
  var overflow = determinedDirection ? vertical ? getStyle(el, 'overflow-y') : getStyle(el, 'overflow-x') : getStyle(el, 'overflow');

  return overflow.match(/(scroll|auto)/);
};

var getScrollContainer = exports.getScrollContainer = function getScrollContainer(el, vertical) {
  if (isServer) return;

  var parent = el;
  while (parent) {
    if ([window, document, document.documentElement].includes(parent)) {
      return window;
    }
    if (isScroll(parent, vertical)) {
      return parent;
    }
    parent = parent.parentNode;
  }

  return parent;
};

var isInContainer = exports.isInContainer = function isInContainer(el, container) {
  if (isServer || !el || !container) return false;

  var elRect = el.getBoundingClientRect();
  var containerRect = void 0;

  if ([window, document, document.documentElement, null, undefined].includes(container)) {
    containerRect = {
      top: 0,
      right: window.innerWidth,
      bottom: window.innerHeight,
      left: 0
    };
  } else {
    containerRect = container.getBoundingClientRect();
  }

  return elRect.top < containerRect.bottom && elRect.bottom > containerRect.top && elRect.right > containerRect.left && elRect.left < containerRect.right;
};

/***/ }),

/***/ "5c6c":
/***/ (function(module, exports) {

module.exports = function (bitmap, value) {
  return {
    enumerable: !(bitmap & 1),
    configurable: !(bitmap & 2),
    writable: !(bitmap & 4),
    value: value
  };
};


/***/ }),

/***/ "5cb2":
/***/ (function(module, exports) {

module.exports = "data:image/png;base64,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"

/***/ }),

/***/ "5fb2":
/***/ (function(module, exports, __webpack_require__) {

"use strict";

// based on https://github.com/bestiejs/punycode.js/blob/master/punycode.js
var maxInt = 2147483647; // aka. 0x7FFFFFFF or 2^31-1
var base = 36;
var tMin = 1;
var tMax = 26;
var skew = 38;
var damp = 700;
var initialBias = 72;
var initialN = 128; // 0x80
var delimiter = '-'; // '\x2D'
var regexNonASCII = /[^\0-\u007E]/; // non-ASCII chars
var regexSeparators = /[.\u3002\uFF0E\uFF61]/g; // RFC 3490 separators
var OVERFLOW_ERROR = 'Overflow: input needs wider integers to process';
var baseMinusTMin = base - tMin;
var floor = Math.floor;
var stringFromCharCode = String.fromCharCode;

/**
 * Creates an array containing the numeric code points of each Unicode
 * character in the string. While JavaScript uses UCS-2 internally,
 * this function will convert a pair of surrogate halves (each of which
 * UCS-2 exposes as separate characters) into a single code point,
 * matching UTF-16.
 */
var ucs2decode = function (string) {
  var output = [];
  var counter = 0;
  var length = string.length;
  while (counter < length) {
    var value = string.charCodeAt(counter++);
    if (value >= 0xD800 && value <= 0xDBFF && counter < length) {
      // It's a high surrogate, and there is a next character.
      var extra = string.charCodeAt(counter++);
      if ((extra & 0xFC00) == 0xDC00) { // Low surrogate.
        output.push(((value & 0x3FF) << 10) + (extra & 0x3FF) + 0x10000);
      } else {
        // It's an unmatched surrogate; only append this code unit, in case the
        // next code unit is the high surrogate of a surrogate pair.
        output.push(value);
        counter--;
      }
    } else {
      output.push(value);
    }
  }
  return output;
};

/**
 * Converts a digit/integer into a basic code point.
 */
var digitToBasic = function (digit) {
  //  0..25 map to ASCII a..z or A..Z
  // 26..35 map to ASCII 0..9
  return digit + 22 + 75 * (digit < 26);
};

/**
 * Bias adaptation function as per section 3.4 of RFC 3492.
 * https://tools.ietf.org/html/rfc3492#section-3.4
 */
var adapt = function (delta, numPoints, firstTime) {
  var k = 0;
  delta = firstTime ? floor(delta / damp) : delta >> 1;
  delta += floor(delta / numPoints);
  for (; delta > baseMinusTMin * tMax >> 1; k += base) {
    delta = floor(delta / baseMinusTMin);
  }
  return floor(k + (baseMinusTMin + 1) * delta / (delta + skew));
};

/**
 * Converts a string of Unicode symbols (e.g. a domain name label) to a
 * Punycode string of ASCII-only symbols.
 */
// eslint-disable-next-line  max-statements
var encode = function (input) {
  var output = [];

  // Convert the input in UCS-2 to an array of Unicode code points.
  input = ucs2decode(input);

  // Cache the length.
  var inputLength = input.length;

  // Initialize the state.
  var n = initialN;
  var delta = 0;
  var bias = initialBias;
  var i, currentValue;

  // Handle the basic code points.
  for (i = 0; i < input.length; i++) {
    currentValue = input[i];
    if (currentValue < 0x80) {
      output.push(stringFromCharCode(currentValue));
    }
  }

  var basicLength = output.length; // number of basic code points.
  var handledCPCount = basicLength; // number of code points that have been handled;

  // Finish the basic string with a delimiter unless it's empty.
  if (basicLength) {
    output.push(delimiter);
  }

  // Main encoding loop:
  while (handledCPCount < inputLength) {
    // All non-basic code points < n have been handled already. Find the next larger one:
    var m = maxInt;
    for (i = 0; i < input.length; i++) {
      currentValue = input[i];
      if (currentValue >= n && currentValue < m) {
        m = currentValue;
      }
    }

    // Increase `delta` enough to advance the decoder's <n,i> state to <m,0>, but guard against overflow.
    var handledCPCountPlusOne = handledCPCount + 1;
    if (m - n > floor((maxInt - delta) / handledCPCountPlusOne)) {
      throw RangeError(OVERFLOW_ERROR);
    }

    delta += (m - n) * handledCPCountPlusOne;
    n = m;

    for (i = 0; i < input.length; i++) {
      currentValue = input[i];
      if (currentValue < n && ++delta > maxInt) {
        throw RangeError(OVERFLOW_ERROR);
      }
      if (currentValue == n) {
        // Represent delta as a generalized variable-length integer.
        var q = delta;
        for (var k = base; /* no condition */; k += base) {
          var t = k <= bias ? tMin : (k >= bias + tMax ? tMax : k - bias);
          if (q < t) break;
          var qMinusT = q - t;
          var baseMinusT = base - t;
          output.push(stringFromCharCode(digitToBasic(t + qMinusT % baseMinusT)));
          q = floor(qMinusT / baseMinusT);
        }

        output.push(stringFromCharCode(digitToBasic(q)));
        bias = adapt(delta, handledCPCountPlusOne, handledCPCount == basicLength);
        delta = 0;
        ++handledCPCount;
      }
    }

    ++delta;
    ++n;
  }
  return output.join('');
};

module.exports = function (input) {
  var encoded = [];
  var labels = input.toLowerCase().replace(regexSeparators, '\u002E').split('.');
  var i, label;
  for (i = 0; i < labels.length; i++) {
    label = labels[i];
    encoded.push(regexNonASCII.test(label) ? 'xn--' + encode(label) : label);
  }
  return encoded.join('.');
};


/***/ }),

/***/ "60da":
/***/ (function(module, exports, __webpack_require__) {

"use strict";

var DESCRIPTORS = __webpack_require__("83ab");
var fails = __webpack_require__("d039");
var objectKeys = __webpack_require__("df75");
var getOwnPropertySymbolsModule = __webpack_require__("7418");
var propertyIsEnumerableModule = __webpack_require__("d1e7");
var toObject = __webpack_require__("7b0b");
var IndexedObject = __webpack_require__("44ad");

var nativeAssign = Object.assign;
var defineProperty = Object.defineProperty;

// `Object.assign` method
// https://tc39.github.io/ecma262/#sec-object.assign
module.exports = !nativeAssign || fails(function () {
  // should have correct order of operations (Edge bug)
  if (DESCRIPTORS && nativeAssign({ b: 1 }, nativeAssign(defineProperty({}, 'a', {
    enumerable: true,
    get: function () {
      defineProperty(this, 'b', {
        value: 3,
        enumerable: false
      });
    }
  }), { b: 2 })).b !== 1) return true;
  // should work with symbols and should have deterministic property order (V8 bug)
  var A = {};
  var B = {};
  // eslint-disable-next-line no-undef
  var symbol = Symbol();
  var alphabet = 'abcdefghijklmnopqrst';
  A[symbol] = 7;
  alphabet.split('').forEach(function (chr) { B[chr] = chr; });
  return nativeAssign({}, A)[symbol] != 7 || objectKeys(nativeAssign({}, B)).join('') != alphabet;
}) ? function assign(target, source) { // eslint-disable-line no-unused-vars
  var T = toObject(target);
  var argumentsLength = arguments.length;
  var index = 1;
  var getOwnPropertySymbols = getOwnPropertySymbolsModule.f;
  var propertyIsEnumerable = propertyIsEnumerableModule.f;
  while (argumentsLength > index) {
    var S = IndexedObject(arguments[index++]);
    var keys = getOwnPropertySymbols ? objectKeys(S).concat(getOwnPropertySymbols(S)) : objectKeys(S);
    var length = keys.length;
    var j = 0;
    var key;
    while (length > j) {
      key = keys[j++];
      if (!DESCRIPTORS || propertyIsEnumerable.call(S, key)) T[key] = S[key];
    }
  } return T;
} : nativeAssign;


/***/ }),

/***/ "6267":
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
/* harmony import */ var _node_modules_mini_css_extract_plugin_dist_loader_js_ref_8_oneOf_1_0_node_modules_css_loader_dist_cjs_js_ref_8_oneOf_1_1_node_modules_vue_loader_lib_loaders_stylePostLoader_js_node_modules_postcss_loader_src_index_js_ref_8_oneOf_1_2_node_modules_sass_loader_dist_cjs_js_ref_8_oneOf_1_3_node_modules_cache_loader_dist_cjs_js_ref_0_0_node_modules_vue_loader_lib_index_js_vue_loader_options_index_vue_vue_type_style_index_0_lang_scss___WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__("a934");
/* harmony import */ var _node_modules_mini_css_extract_plugin_dist_loader_js_ref_8_oneOf_1_0_node_modules_css_loader_dist_cjs_js_ref_8_oneOf_1_1_node_modules_vue_loader_lib_loaders_stylePostLoader_js_node_modules_postcss_loader_src_index_js_ref_8_oneOf_1_2_node_modules_sass_loader_dist_cjs_js_ref_8_oneOf_1_3_node_modules_cache_loader_dist_cjs_js_ref_0_0_node_modules_vue_loader_lib_index_js_vue_loader_options_index_vue_vue_type_style_index_0_lang_scss___WEBPACK_IMPORTED_MODULE_0___default = /*#__PURE__*/__webpack_require__.n(_node_modules_mini_css_extract_plugin_dist_loader_js_ref_8_oneOf_1_0_node_modules_css_loader_dist_cjs_js_ref_8_oneOf_1_1_node_modules_vue_loader_lib_loaders_stylePostLoader_js_node_modules_postcss_loader_src_index_js_ref_8_oneOf_1_2_node_modules_sass_loader_dist_cjs_js_ref_8_oneOf_1_3_node_modules_cache_loader_dist_cjs_js_ref_0_0_node_modules_vue_loader_lib_index_js_vue_loader_options_index_vue_vue_type_style_index_0_lang_scss___WEBPACK_IMPORTED_MODULE_0__);
/* unused harmony reexport * */
 /* unused harmony default export */ var _unused_webpack_default_export = (_node_modules_mini_css_extract_plugin_dist_loader_js_ref_8_oneOf_1_0_node_modules_css_loader_dist_cjs_js_ref_8_oneOf_1_1_node_modules_vue_loader_lib_loaders_stylePostLoader_js_node_modules_postcss_loader_src_index_js_ref_8_oneOf_1_2_node_modules_sass_loader_dist_cjs_js_ref_8_oneOf_1_3_node_modules_cache_loader_dist_cjs_js_ref_0_0_node_modules_vue_loader_lib_index_js_vue_loader_options_index_vue_vue_type_style_index_0_lang_scss___WEBPACK_IMPORTED_MODULE_0___default.a); 

/***/ }),

/***/ "62ce":
/***/ (function(module, exports) {

module.exports = "data:image/png;base64,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"

/***/ }),

/***/ "6444":
/***/ (function(module, exports) {

var trim = function(string) {
  return string.replace(/^\s+|\s+$/g, '');
}
  , isArray = function(arg) {
      return Object.prototype.toString.call(arg) === '[object Array]';
    }

module.exports = function (headers) {
  if (!headers)
    return {}

  var result = {}

  var headersArr = trim(headers).split('\n')

  for (var i = 0; i < headersArr.length; i++) {
    var row = headersArr[i]
    var index = row.indexOf(':')
    , key = trim(row.slice(0, index)).toLowerCase()
    , value = trim(row.slice(index + 1))

    if (typeof(result[key]) === 'undefined') {
      result[key] = value
    } else if (isArray(result[key])) {
      result[key].push(value)
    } else {
      result[key] = [ result[key], value ]
    }
  }

  return result
}


/***/ }),

/***/ "6547":
/***/ (function(module, exports, __webpack_require__) {

var toInteger = __webpack_require__("a691");
var requireObjectCoercible = __webpack_require__("1d80");

// `String.prototype.{ codePointAt, at }` methods implementation
var createMethod = function (CONVERT_TO_STRING) {
  return function ($this, pos) {
    var S = String(requireObjectCoercible($this));
    var position = toInteger(pos);
    var size = S.length;
    var first, second;
    if (position < 0 || position >= size) return CONVERT_TO_STRING ? '' : undefined;
    first = S.charCodeAt(position);
    return first < 0xD800 || first > 0xDBFF || position + 1 === size
      || (second = S.charCodeAt(position + 1)) < 0xDC00 || second > 0xDFFF
        ? CONVERT_TO_STRING ? S.charAt(position) : first
        : CONVERT_TO_STRING ? S.slice(position, position + 2) : (first - 0xD800 << 10) + (second - 0xDC00) + 0x10000;
  };
};

module.exports = {
  // `String.prototype.codePointAt` method
  // https://tc39.github.io/ecma262/#sec-string.prototype.codepointat
  codeAt: createMethod(false),
  // `String.prototype.at` method
  // https://github.com/mathiasbynens/String.prototype.at
  charAt: createMethod(true)
};


/***/ }),

/***/ "65f0":
/***/ (function(module, exports, __webpack_require__) {

var isObject = __webpack_require__("861d");
var isArray = __webpack_require__("e8b5");
var wellKnownSymbol = __webpack_require__("b622");

var SPECIES = wellKnownSymbol('species');

// `ArraySpeciesCreate` abstract operation
// https://tc39.github.io/ecma262/#sec-arrayspeciescreate
module.exports = function (originalArray, length) {
  var C;
  if (isArray(originalArray)) {
    C = originalArray.constructor;
    // cross-realm fallback
    if (typeof C == 'function' && (C === Array || isArray(C.prototype))) C = undefined;
    else if (isObject(C)) {
      C = C[SPECIES];
      if (C === null) C = undefined;
    }
  } return new (C === undefined ? Array : C)(length === 0 ? 0 : length);
};


/***/ }),

/***/ "672b":
/***/ (function(module, exports, __webpack_require__) {

/* WEBPACK VAR INJECTION */(function(global) {var win;

if (typeof window !== "undefined") {
    win = window;
} else if (typeof global !== "undefined") {
    win = global;
} else if (typeof self !== "undefined"){
    win = self;
} else {
    win = {};
}

module.exports = win;

/* WEBPACK VAR INJECTION */}.call(this, __webpack_require__("c8ba")))

/***/ }),

/***/ "69f3":
/***/ (function(module, exports, __webpack_require__) {

var NATIVE_WEAK_MAP = __webpack_require__("7f9a");
var global = __webpack_require__("da84");
var isObject = __webpack_require__("861d");
var createNonEnumerableProperty = __webpack_require__("9112");
var objectHas = __webpack_require__("5135");
var sharedKey = __webpack_require__("f772");
var hiddenKeys = __webpack_require__("d012");

var WeakMap = global.WeakMap;
var set, get, has;

var enforce = function (it) {
  return has(it) ? get(it) : set(it, {});
};

var getterFor = function (TYPE) {
  return function (it) {
    var state;
    if (!isObject(it) || (state = get(it)).type !== TYPE) {
      throw TypeError('Incompatible receiver, ' + TYPE + ' required');
    } return state;
  };
};

if (NATIVE_WEAK_MAP) {
  var store = new WeakMap();
  var wmget = store.get;
  var wmhas = store.has;
  var wmset = store.set;
  set = function (it, metadata) {
    wmset.call(store, it, metadata);
    return metadata;
  };
  get = function (it) {
    return wmget.call(store, it) || {};
  };
  has = function (it) {
    return wmhas.call(store, it);
  };
} else {
  var STATE = sharedKey('state');
  hiddenKeys[STATE] = true;
  set = function (it, metadata) {
    createNonEnumerableProperty(it, STATE, metadata);
    return metadata;
  };
  get = function (it) {
    return objectHas(it, STATE) ? it[STATE] : {};
  };
  has = function (it) {
    return objectHas(it, STATE);
  };
}

module.exports = {
  set: set,
  get: get,
  has: has,
  enforce: enforce,
  getterFor: getterFor
};


/***/ }),

/***/ "6eeb":
/***/ (function(module, exports, __webpack_require__) {

var global = __webpack_require__("da84");
var createNonEnumerableProperty = __webpack_require__("9112");
var has = __webpack_require__("5135");
var setGlobal = __webpack_require__("ce4e");
var inspectSource = __webpack_require__("8925");
var InternalStateModule = __webpack_require__("69f3");

var getInternalState = InternalStateModule.get;
var enforceInternalState = InternalStateModule.enforce;
var TEMPLATE = String(String).split('String');

(module.exports = function (O, key, value, options) {
  var unsafe = options ? !!options.unsafe : false;
  var simple = options ? !!options.enumerable : false;
  var noTargetGet = options ? !!options.noTargetGet : false;
  if (typeof value == 'function') {
    if (typeof key == 'string' && !has(value, 'name')) createNonEnumerableProperty(value, 'name', key);
    enforceInternalState(value).source = TEMPLATE.join(typeof key == 'string' ? key : '');
  }
  if (O === global) {
    if (simple) O[key] = value;
    else setGlobal(key, value);
    return;
  } else if (!unsafe) {
    delete O[key];
  } else if (!noTargetGet && O[key]) {
    simple = true;
  }
  if (simple) O[key] = value;
  else createNonEnumerableProperty(O, key, value);
// add fake Function#toString for correct work wrapped methods / constructors with methods like LoDash isNative
})(Function.prototype, 'toString', function toString() {
  return typeof this == 'function' && getInternalState(this).source || inspectSource(this);
});


/***/ }),

/***/ "7156":
/***/ (function(module, exports, __webpack_require__) {

var isObject = __webpack_require__("861d");
var setPrototypeOf = __webpack_require__("d2bb");

// makes subclassing work correct for wrapped built-ins
module.exports = function ($this, dummy, Wrapper) {
  var NewTarget, NewTargetPrototype;
  if (
    // it can work only with native `setPrototypeOf`
    setPrototypeOf &&
    // we haven't completely correct pre-ES6 way for getting `new.target`, so use this
    typeof (NewTarget = dummy.constructor) == 'function' &&
    NewTarget !== Wrapper &&
    isObject(NewTargetPrototype = NewTarget.prototype) &&
    NewTargetPrototype !== Wrapper.prototype
  ) setPrototypeOf($this, NewTargetPrototype);
  return $this;
};


/***/ }),

/***/ "7418":
/***/ (function(module, exports) {

exports.f = Object.getOwnPropertySymbols;


/***/ }),

/***/ "746f":
/***/ (function(module, exports, __webpack_require__) {

var path = __webpack_require__("428f");
var has = __webpack_require__("5135");
var wrappedWellKnownSymbolModule = __webpack_require__("e538");
var defineProperty = __webpack_require__("9bf2").f;

module.exports = function (NAME) {
  var Symbol = path.Symbol || (path.Symbol = {});
  if (!has(Symbol, NAME)) defineProperty(Symbol, NAME, {
    value: wrappedWellKnownSymbolModule.f(NAME)
  });
};


/***/ }),

/***/ "7839":
/***/ (function(module, exports) {

// IE8- don't enum bug keys
module.exports = [
  'constructor',
  'hasOwnProperty',
  'isPrototypeOf',
  'propertyIsEnumerable',
  'toLocaleString',
  'toString',
  'valueOf'
];


/***/ }),

/***/ "7854":
/***/ (function(module, exports, __webpack_require__) {

// extracted by mini-css-extract-plugin

/***/ }),

/***/ "7a6b":
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
/* harmony import */ var _node_modules_mini_css_extract_plugin_dist_loader_js_ref_8_oneOf_1_0_node_modules_css_loader_dist_cjs_js_ref_8_oneOf_1_1_node_modules_vue_loader_lib_loaders_stylePostLoader_js_node_modules_postcss_loader_src_index_js_ref_8_oneOf_1_2_node_modules_sass_loader_dist_cjs_js_ref_8_oneOf_1_3_node_modules_cache_loader_dist_cjs_js_ref_0_0_node_modules_vue_loader_lib_index_js_vue_loader_options_img_online_vue_vue_type_style_index_0_lang_scss___WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__("eb08");
/* harmony import */ var _node_modules_mini_css_extract_plugin_dist_loader_js_ref_8_oneOf_1_0_node_modules_css_loader_dist_cjs_js_ref_8_oneOf_1_1_node_modules_vue_loader_lib_loaders_stylePostLoader_js_node_modules_postcss_loader_src_index_js_ref_8_oneOf_1_2_node_modules_sass_loader_dist_cjs_js_ref_8_oneOf_1_3_node_modules_cache_loader_dist_cjs_js_ref_0_0_node_modules_vue_loader_lib_index_js_vue_loader_options_img_online_vue_vue_type_style_index_0_lang_scss___WEBPACK_IMPORTED_MODULE_0___default = /*#__PURE__*/__webpack_require__.n(_node_modules_mini_css_extract_plugin_dist_loader_js_ref_8_oneOf_1_0_node_modules_css_loader_dist_cjs_js_ref_8_oneOf_1_1_node_modules_vue_loader_lib_loaders_stylePostLoader_js_node_modules_postcss_loader_src_index_js_ref_8_oneOf_1_2_node_modules_sass_loader_dist_cjs_js_ref_8_oneOf_1_3_node_modules_cache_loader_dist_cjs_js_ref_0_0_node_modules_vue_loader_lib_index_js_vue_loader_options_img_online_vue_vue_type_style_index_0_lang_scss___WEBPACK_IMPORTED_MODULE_0__);
/* unused harmony reexport * */
 /* unused harmony default export */ var _unused_webpack_default_export = (_node_modules_mini_css_extract_plugin_dist_loader_js_ref_8_oneOf_1_0_node_modules_css_loader_dist_cjs_js_ref_8_oneOf_1_1_node_modules_vue_loader_lib_loaders_stylePostLoader_js_node_modules_postcss_loader_src_index_js_ref_8_oneOf_1_2_node_modules_sass_loader_dist_cjs_js_ref_8_oneOf_1_3_node_modules_cache_loader_dist_cjs_js_ref_0_0_node_modules_vue_loader_lib_index_js_vue_loader_options_img_online_vue_vue_type_style_index_0_lang_scss___WEBPACK_IMPORTED_MODULE_0___default.a); 

/***/ }),

/***/ "7b0b":
/***/ (function(module, exports, __webpack_require__) {

var requireObjectCoercible = __webpack_require__("1d80");

// `ToObject` abstract operation
// https://tc39.github.io/ecma262/#sec-toobject
module.exports = function (argument) {
  return Object(requireObjectCoercible(argument));
};


/***/ }),

/***/ "7c73":
/***/ (function(module, exports, __webpack_require__) {

var anObject = __webpack_require__("825a");
var defineProperties = __webpack_require__("37e8");
var enumBugKeys = __webpack_require__("7839");
var hiddenKeys = __webpack_require__("d012");
var html = __webpack_require__("1be4");
var documentCreateElement = __webpack_require__("cc12");
var sharedKey = __webpack_require__("f772");

var GT = '>';
var LT = '<';
var PROTOTYPE = 'prototype';
var SCRIPT = 'script';
var IE_PROTO = sharedKey('IE_PROTO');

var EmptyConstructor = function () { /* empty */ };

var scriptTag = function (content) {
  return LT + SCRIPT + GT + content + LT + '/' + SCRIPT + GT;
};

// Create object with fake `null` prototype: use ActiveX Object with cleared prototype
var NullProtoObjectViaActiveX = function (activeXDocument) {
  activeXDocument.write(scriptTag(''));
  activeXDocument.close();
  var temp = activeXDocument.parentWindow.Object;
  activeXDocument = null; // avoid memory leak
  return temp;
};

// Create object with fake `null` prototype: use iframe Object with cleared prototype
var NullProtoObjectViaIFrame = function () {
  // Thrash, waste and sodomy: IE GC bug
  var iframe = documentCreateElement('iframe');
  var JS = 'java' + SCRIPT + ':';
  var iframeDocument;
  iframe.style.display = 'none';
  html.appendChild(iframe);
  // https://github.com/zloirock/core-js/issues/475
  iframe.src = String(JS);
  iframeDocument = iframe.contentWindow.document;
  iframeDocument.open();
  iframeDocument.write(scriptTag('document.F=Object'));
  iframeDocument.close();
  return iframeDocument.F;
};

// Check for document.domain and active x support
// No need to use active x approach when document.domain is not set
// see https://github.com/es-shims/es5-shim/issues/150
// variation of https://github.com/kitcambridge/es5-shim/commit/4f738ac066346
// avoid IE GC bug
var activeXDocument;
var NullProtoObject = function () {
  try {
    /* global ActiveXObject */
    activeXDocument = document.domain && new ActiveXObject('htmlfile');
  } catch (error) { /* ignore */ }
  NullProtoObject = activeXDocument ? NullProtoObjectViaActiveX(activeXDocument) : NullProtoObjectViaIFrame();
  var length = enumBugKeys.length;
  while (length--) delete NullProtoObject[PROTOTYPE][enumBugKeys[length]];
  return NullProtoObject();
};

hiddenKeys[IE_PROTO] = true;

// `Object.create` method
// https://tc39.github.io/ecma262/#sec-object.create
module.exports = Object.create || function create(O, Properties) {
  var result;
  if (O !== null) {
    EmptyConstructor[PROTOTYPE] = anObject(O);
    result = new EmptyConstructor();
    EmptyConstructor[PROTOTYPE] = null;
    // add "__proto__" for Object.getPrototypeOf polyfill
    result[IE_PROTO] = O;
  } else result = NullProtoObject();
  return Properties === undefined ? result : defineProperties(result, Properties);
};


/***/ }),

/***/ "7db0":
/***/ (function(module, exports, __webpack_require__) {

"use strict";

var $ = __webpack_require__("23e7");
var $find = __webpack_require__("b727").find;
var addToUnscopables = __webpack_require__("44d2");
var arrayMethodUsesToLength = __webpack_require__("ae40");

var FIND = 'find';
var SKIPS_HOLES = true;

var USES_TO_LENGTH = arrayMethodUsesToLength(FIND);

// Shouldn't skip holes
if (FIND in []) Array(1)[FIND](function () { SKIPS_HOLES = false; });

// `Array.prototype.find` method
// https://tc39.github.io/ecma262/#sec-array.prototype.find
$({ target: 'Array', proto: true, forced: SKIPS_HOLES || !USES_TO_LENGTH }, {
  find: function find(callbackfn /* , that = undefined */) {
    return $find(this, callbackfn, arguments.length > 1 ? arguments[1] : undefined);
  }
});

// https://tc39.github.io/ecma262/#sec-array.prototype-@@unscopables
addToUnscopables(FIND);


/***/ }),

/***/ "7dd0":
/***/ (function(module, exports, __webpack_require__) {

"use strict";

var $ = __webpack_require__("23e7");
var createIteratorConstructor = __webpack_require__("9ed3");
var getPrototypeOf = __webpack_require__("e163");
var setPrototypeOf = __webpack_require__("d2bb");
var setToStringTag = __webpack_require__("d44e");
var createNonEnumerableProperty = __webpack_require__("9112");
var redefine = __webpack_require__("6eeb");
var wellKnownSymbol = __webpack_require__("b622");
var IS_PURE = __webpack_require__("c430");
var Iterators = __webpack_require__("3f8c");
var IteratorsCore = __webpack_require__("ae93");

var IteratorPrototype = IteratorsCore.IteratorPrototype;
var BUGGY_SAFARI_ITERATORS = IteratorsCore.BUGGY_SAFARI_ITERATORS;
var ITERATOR = wellKnownSymbol('iterator');
var KEYS = 'keys';
var VALUES = 'values';
var ENTRIES = 'entries';

var returnThis = function () { return this; };

module.exports = function (Iterable, NAME, IteratorConstructor, next, DEFAULT, IS_SET, FORCED) {
  createIteratorConstructor(IteratorConstructor, NAME, next);

  var getIterationMethod = function (KIND) {
    if (KIND === DEFAULT && defaultIterator) return defaultIterator;
    if (!BUGGY_SAFARI_ITERATORS && KIND in IterablePrototype) return IterablePrototype[KIND];
    switch (KIND) {
      case KEYS: return function keys() { return new IteratorConstructor(this, KIND); };
      case VALUES: return function values() { return new IteratorConstructor(this, KIND); };
      case ENTRIES: return function entries() { return new IteratorConstructor(this, KIND); };
    } return function () { return new IteratorConstructor(this); };
  };

  var TO_STRING_TAG = NAME + ' Iterator';
  var INCORRECT_VALUES_NAME = false;
  var IterablePrototype = Iterable.prototype;
  var nativeIterator = IterablePrototype[ITERATOR]
    || IterablePrototype['@@iterator']
    || DEFAULT && IterablePrototype[DEFAULT];
  var defaultIterator = !BUGGY_SAFARI_ITERATORS && nativeIterator || getIterationMethod(DEFAULT);
  var anyNativeIterator = NAME == 'Array' ? IterablePrototype.entries || nativeIterator : nativeIterator;
  var CurrentIteratorPrototype, methods, KEY;

  // fix native
  if (anyNativeIterator) {
    CurrentIteratorPrototype = getPrototypeOf(anyNativeIterator.call(new Iterable()));
    if (IteratorPrototype !== Object.prototype && CurrentIteratorPrototype.next) {
      if (!IS_PURE && getPrototypeOf(CurrentIteratorPrototype) !== IteratorPrototype) {
        if (setPrototypeOf) {
          setPrototypeOf(CurrentIteratorPrototype, IteratorPrototype);
        } else if (typeof CurrentIteratorPrototype[ITERATOR] != 'function') {
          createNonEnumerableProperty(CurrentIteratorPrototype, ITERATOR, returnThis);
        }
      }
      // Set @@toStringTag to native iterators
      setToStringTag(CurrentIteratorPrototype, TO_STRING_TAG, true, true);
      if (IS_PURE) Iterators[TO_STRING_TAG] = returnThis;
    }
  }

  // fix Array#{values, @@iterator}.name in V8 / FF
  if (DEFAULT == VALUES && nativeIterator && nativeIterator.name !== VALUES) {
    INCORRECT_VALUES_NAME = true;
    defaultIterator = function values() { return nativeIterator.call(this); };
  }

  // define iterator
  if ((!IS_PURE || FORCED) && IterablePrototype[ITERATOR] !== defaultIterator) {
    createNonEnumerableProperty(IterablePrototype, ITERATOR, defaultIterator);
  }
  Iterators[NAME] = defaultIterator;

  // export additional methods
  if (DEFAULT) {
    methods = {
      values: getIterationMethod(VALUES),
      keys: IS_SET ? defaultIterator : getIterationMethod(KEYS),
      entries: getIterationMethod(ENTRIES)
    };
    if (FORCED) for (KEY in methods) {
      if (BUGGY_SAFARI_ITERATORS || INCORRECT_VALUES_NAME || !(KEY in IterablePrototype)) {
        redefine(IterablePrototype, KEY, methods[KEY]);
      }
    } else $({ target: NAME, proto: true, forced: BUGGY_SAFARI_ITERATORS || INCORRECT_VALUES_NAME }, methods);
  }

  return methods;
};


/***/ }),

/***/ "7f4d":
/***/ (function(module, exports, __webpack_require__) {

"use strict";


exports.__esModule = true;

exports.default = function (target) {
  for (var i = 1, j = arguments.length; i < j; i++) {
    var source = arguments[i] || {};
    for (var prop in source) {
      if (source.hasOwnProperty(prop)) {
        var value = source[prop];
        if (value !== undefined) {
          target[prop] = value;
        }
      }
    }
  }

  return target;
};

;

/***/ }),

/***/ "7f9a":
/***/ (function(module, exports, __webpack_require__) {

var global = __webpack_require__("da84");
var inspectSource = __webpack_require__("8925");

var WeakMap = global.WeakMap;

module.exports = typeof WeakMap === 'function' && /native code/.test(inspectSource(WeakMap));


/***/ }),

/***/ "8122":
/***/ (function(module, exports, __webpack_require__) {

"use strict";


exports.__esModule = true;
exports.isEmpty = exports.isEqual = exports.arrayEquals = exports.looseEqual = exports.capitalize = exports.kebabCase = exports.autoprefixer = exports.isFirefox = exports.isEdge = exports.isIE = exports.coerceTruthyValueToArray = exports.arrayFind = exports.arrayFindIndex = exports.escapeRegexpString = exports.valueEquals = exports.generateId = exports.getValueByPath = undefined;

var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };

exports.noop = noop;
exports.hasOwn = hasOwn;
exports.toObject = toObject;
exports.getPropByPath = getPropByPath;
exports.rafThrottle = rafThrottle;
exports.objToArray = objToArray;

var _vue = __webpack_require__("8bbf");

var _vue2 = _interopRequireDefault(_vue);

var _types = __webpack_require__("a742");

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

var hasOwnProperty = Object.prototype.hasOwnProperty;

function noop() {};

function hasOwn(obj, key) {
  return hasOwnProperty.call(obj, key);
};

function extend(to, _from) {
  for (var key in _from) {
    to[key] = _from[key];
  }
  return to;
};

function toObject(arr) {
  var res = {};
  for (var i = 0; i < arr.length; i++) {
    if (arr[i]) {
      extend(res, arr[i]);
    }
  }
  return res;
};

var getValueByPath = exports.getValueByPath = function getValueByPath(object, prop) {
  prop = prop || '';
  var paths = prop.split('.');
  var current = object;
  var result = null;
  for (var i = 0, j = paths.length; i < j; i++) {
    var path = paths[i];
    if (!current) break;

    if (i === j - 1) {
      result = current[path];
      break;
    }
    current = current[path];
  }
  return result;
};

function getPropByPath(obj, path, strict) {
  var tempObj = obj;
  path = path.replace(/\[(\w+)\]/g, '.$1');
  path = path.replace(/^\./, '');

  var keyArr = path.split('.');
  var i = 0;
  for (var len = keyArr.length; i < len - 1; ++i) {
    if (!tempObj && !strict) break;
    var key = keyArr[i];
    if (key in tempObj) {
      tempObj = tempObj[key];
    } else {
      if (strict) {
        throw new Error('please transfer a valid prop path to form item!');
      }
      break;
    }
  }
  return {
    o: tempObj,
    k: keyArr[i],
    v: tempObj ? tempObj[keyArr[i]] : null
  };
};

var generateId = exports.generateId = function generateId() {
  return Math.floor(Math.random() * 10000);
};

var valueEquals = exports.valueEquals = function valueEquals(a, b) {
  // see: https://stackoverflow.com/questions/3115982/how-to-check-if-two-arrays-are-equal-with-javascript
  if (a === b) return true;
  if (!(a instanceof Array)) return false;
  if (!(b instanceof Array)) return false;
  if (a.length !== b.length) return false;
  for (var i = 0; i !== a.length; ++i) {
    if (a[i] !== b[i]) return false;
  }
  return true;
};

var escapeRegexpString = exports.escapeRegexpString = function escapeRegexpString() {
  var value = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : '';
  return String(value).replace(/[|\\{}()[\]^$+*?.]/g, '\\$&');
};

// TODO: use native Array.find, Array.findIndex when IE support is dropped
var arrayFindIndex = exports.arrayFindIndex = function arrayFindIndex(arr, pred) {
  for (var i = 0; i !== arr.length; ++i) {
    if (pred(arr[i])) {
      return i;
    }
  }
  return -1;
};

var arrayFind = exports.arrayFind = function arrayFind(arr, pred) {
  var idx = arrayFindIndex(arr, pred);
  return idx !== -1 ? arr[idx] : undefined;
};

// coerce truthy value to array
var coerceTruthyValueToArray = exports.coerceTruthyValueToArray = function coerceTruthyValueToArray(val) {
  if (Array.isArray(val)) {
    return val;
  } else if (val) {
    return [val];
  } else {
    return [];
  }
};

var isIE = exports.isIE = function isIE() {
  return !_vue2.default.prototype.$isServer && !isNaN(Number(document.documentMode));
};

var isEdge = exports.isEdge = function isEdge() {
  return !_vue2.default.prototype.$isServer && navigator.userAgent.indexOf('Edge') > -1;
};

var isFirefox = exports.isFirefox = function isFirefox() {
  return !_vue2.default.prototype.$isServer && !!window.navigator.userAgent.match(/firefox/i);
};

var autoprefixer = exports.autoprefixer = function autoprefixer(style) {
  if ((typeof style === 'undefined' ? 'undefined' : _typeof(style)) !== 'object') return style;
  var rules = ['transform', 'transition', 'animation'];
  var prefixes = ['ms-', 'webkit-'];
  rules.forEach(function (rule) {
    var value = style[rule];
    if (rule && value) {
      prefixes.forEach(function (prefix) {
        style[prefix + rule] = value;
      });
    }
  });
  return style;
};

var kebabCase = exports.kebabCase = function kebabCase(str) {
  var hyphenateRE = /([^-])([A-Z])/g;
  return str.replace(hyphenateRE, '$1-$2').replace(hyphenateRE, '$1-$2').toLowerCase();
};

var capitalize = exports.capitalize = function capitalize(str) {
  if (!(0, _types.isString)(str)) return str;
  return str.charAt(0).toUpperCase() + str.slice(1);
};

var looseEqual = exports.looseEqual = function looseEqual(a, b) {
  var isObjectA = (0, _types.isObject)(a);
  var isObjectB = (0, _types.isObject)(b);
  if (isObjectA && isObjectB) {
    return JSON.stringify(a) === JSON.stringify(b);
  } else if (!isObjectA && !isObjectB) {
    return String(a) === String(b);
  } else {
    return false;
  }
};

var arrayEquals = exports.arrayEquals = function arrayEquals(arrayA, arrayB) {
  arrayA = arrayA || [];
  arrayB = arrayB || [];

  if (arrayA.length !== arrayB.length) {
    return false;
  }

  for (var i = 0; i < arrayA.length; i++) {
    if (!looseEqual(arrayA[i], arrayB[i])) {
      return false;
    }
  }

  return true;
};

var isEqual = exports.isEqual = function isEqual(value1, value2) {
  if (Array.isArray(value1) && Array.isArray(value2)) {
    return arrayEquals(value1, value2);
  }
  return looseEqual(value1, value2);
};

var isEmpty = exports.isEmpty = function isEmpty(val) {
  // null or undefined
  if (val == null) return true;

  if (typeof val === 'boolean') return false;

  if (typeof val === 'number') return !val;

  if (val instanceof Error) return val.message === '';

  switch (Object.prototype.toString.call(val)) {
    // String or Array
    case '[object String]':
    case '[object Array]':
      return !val.length;

    // Map or Set or File
    case '[object File]':
    case '[object Map]':
    case '[object Set]':
      {
        return !val.size;
      }
    // Plain Object
    case '[object Object]':
      {
        return !Object.keys(val).length;
      }
  }

  return false;
};

function rafThrottle(fn) {
  var locked = false;
  return function () {
    var _this = this;

    for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
      args[_key] = arguments[_key];
    }

    if (locked) return;
    locked = true;
    window.requestAnimationFrame(function (_) {
      fn.apply(_this, args);
      locked = false;
    });
  };
}

function objToArray(obj) {
  if (Array.isArray(obj)) {
    return obj;
  }
  return isEmpty(obj) ? [] : [obj];
}

/***/ }),

/***/ "825a":
/***/ (function(module, exports, __webpack_require__) {

var isObject = __webpack_require__("861d");

module.exports = function (it) {
  if (!isObject(it)) {
    throw TypeError(String(it) + ' is not an object');
  } return it;
};


/***/ }),

/***/ "82c5":
/***/ (function(module, exports) {

module.exports = "data:image/png;base64,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"

/***/ }),

/***/ "8362":
/***/ (function(module, exports) {

module.exports = isFunction

var toString = Object.prototype.toString

function isFunction (fn) {
  if (!fn) {
    return false
  }
  var string = toString.call(fn)
  return string === '[object Function]' ||
    (typeof fn === 'function' && string !== '[object RegExp]') ||
    (typeof window !== 'undefined' &&
     // IE8 and below
     (fn === window.setTimeout ||
      fn === window.alert ||
      fn === window.confirm ||
      fn === window.prompt))
};


/***/ }),

/***/ "8363":
/***/ (function(module, exports) {

module.exports = "data:image/png;base64,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"

/***/ }),

/***/ "83ab":
/***/ (function(module, exports, __webpack_require__) {

var fails = __webpack_require__("d039");

// Thank's IE8 for his funny defineProperty
module.exports = !fails(function () {
  return Object.defineProperty({}, 1, { get: function () { return 7; } })[1] != 7;
});


/***/ }),

/***/ "8418":
/***/ (function(module, exports, __webpack_require__) {

"use strict";

var toPrimitive = __webpack_require__("c04e");
var definePropertyModule = __webpack_require__("9bf2");
var createPropertyDescriptor = __webpack_require__("5c6c");

module.exports = function (object, key, value) {
  var propertyKey = toPrimitive(key);
  if (propertyKey in object) definePropertyModule.f(object, propertyKey, createPropertyDescriptor(0, value));
  else object[propertyKey] = value;
};


/***/ }),

/***/ "84f5":
/***/ (function(module, exports) {

module.exports = "data:image/png;base64,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"

/***/ }),

/***/ "861d":
/***/ (function(module, exports) {

module.exports = function (it) {
  return typeof it === 'object' ? it !== null : typeof it === 'function';
};


/***/ }),

/***/ "8875":
/***/ (function(module, exports, __webpack_require__) {

var __WEBPACK_AMD_DEFINE_FACTORY__, __WEBPACK_AMD_DEFINE_ARRAY__, __WEBPACK_AMD_DEFINE_RESULT__;// addapted from the document.currentScript polyfill by Adam Miller
// MIT license
// source: https://github.com/amiller-gh/currentScript-polyfill

// added support for Firefox https://bugzilla.mozilla.org/show_bug.cgi?id=1620505

(function (root, factory) {
  if (true) {
    !(__WEBPACK_AMD_DEFINE_ARRAY__ = [], __WEBPACK_AMD_DEFINE_FACTORY__ = (factory),
				__WEBPACK_AMD_DEFINE_RESULT__ = (typeof __WEBPACK_AMD_DEFINE_FACTORY__ === 'function' ?
				(__WEBPACK_AMD_DEFINE_FACTORY__.apply(exports, __WEBPACK_AMD_DEFINE_ARRAY__)) : __WEBPACK_AMD_DEFINE_FACTORY__),
				__WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));
  } else {}
}(typeof self !== 'undefined' ? self : this, function () {
  function getCurrentScript () {
    var descriptor = Object.getOwnPropertyDescriptor(document, 'currentScript')
    // for chrome
    if (!descriptor && 'currentScript' in document && document.currentScript) {
      return document.currentScript
    }

    // for other browsers with native support for currentScript
    if (descriptor && descriptor.get !== getCurrentScript && document.currentScript) {
      return document.currentScript
    }
  
    // IE 8-10 support script readyState
    // IE 11+ & Firefox support stack trace
    try {
      throw new Error();
    }
    catch (err) {
      // Find the second match for the "at" string to get file src url from stack.
      var ieStackRegExp = /.*at [^(]*\((.*):(.+):(.+)\)$/ig,
        ffStackRegExp = /@([^@]*):(\d+):(\d+)\s*$/ig,
        stackDetails = ieStackRegExp.exec(err.stack) || ffStackRegExp.exec(err.stack),
        scriptLocation = (stackDetails && stackDetails[1]) || false,
        line = (stackDetails && stackDetails[2]) || false,
        currentLocation = document.location.href.replace(document.location.hash, ''),
        pageSource,
        inlineScriptSourceRegExp,
        inlineScriptSource,
        scripts = document.getElementsByTagName('script'); // Live NodeList collection
  
      if (scriptLocation === currentLocation) {
        pageSource = document.documentElement.outerHTML;
        inlineScriptSourceRegExp = new RegExp('(?:[^\\n]+?\\n){0,' + (line - 2) + '}[^<]*<script>([\\d\\D]*?)<\\/script>[\\d\\D]*', 'i');
        inlineScriptSource = pageSource.replace(inlineScriptSourceRegExp, '$1').trim();
      }
  
      for (var i = 0; i < scripts.length; i++) {
        // If ready state is interactive, return the script tag
        if (scripts[i].readyState === 'interactive') {
          return scripts[i];
        }
  
        // If src matches, return the script tag
        if (scripts[i].src === scriptLocation) {
          return scripts[i];
        }
  
        // If inline source matches, return the script tag
        if (
          scriptLocation === currentLocation &&
          scripts[i].innerHTML &&
          scripts[i].innerHTML.trim() === inlineScriptSource
        ) {
          return scripts[i];
        }
      }
  
      // If no match, return null
      return null;
    }
  };

  return getCurrentScript
}));


/***/ }),

/***/ "8925":
/***/ (function(module, exports, __webpack_require__) {

var store = __webpack_require__("c6cd");

var functionToString = Function.toString;

// this helper broken in `3.4.1-3.4.4`, so we can't use `shared` helper
if (typeof store.inspectSource != 'function') {
  store.inspectSource = function (it) {
    return functionToString.call(it);
  };
}

module.exports = store.inspectSource;


/***/ }),

/***/ "8aa5":
/***/ (function(module, exports, __webpack_require__) {

"use strict";

var charAt = __webpack_require__("6547").charAt;

// `AdvanceStringIndex` abstract operation
// https://tc39.github.io/ecma262/#sec-advancestringindex
module.exports = function (S, index, unicode) {
  return index + (unicode ? charAt(S, index).length : 1);
};


/***/ }),

/***/ "8bbf":
/***/ (function(module, exports) {

module.exports = __WEBPACK_EXTERNAL_MODULE__8bbf__;

/***/ }),

/***/ "8c10":
/***/ (function(module, exports) {

module.exports = SafeParseTuple

function SafeParseTuple(obj, reviver) {
    var json
    var error = null

    try {
        json = JSON.parse(obj, reviver)
    } catch (err) {
        error = err
    }

    return [error, json]
}


/***/ }),

/***/ "8e1a":
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
/* harmony import */ var _node_modules_mini_css_extract_plugin_dist_loader_js_ref_8_oneOf_1_0_node_modules_css_loader_dist_cjs_js_ref_8_oneOf_1_1_node_modules_vue_loader_lib_loaders_stylePostLoader_js_node_modules_postcss_loader_src_index_js_ref_8_oneOf_1_2_node_modules_sass_loader_dist_cjs_js_ref_8_oneOf_1_3_node_modules_cache_loader_dist_cjs_js_ref_0_0_node_modules_vue_loader_lib_index_js_vue_loader_options_fade_in_vue_vue_type_style_index_0_lang_scss___WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__("438f");
/* harmony import */ var _node_modules_mini_css_extract_plugin_dist_loader_js_ref_8_oneOf_1_0_node_modules_css_loader_dist_cjs_js_ref_8_oneOf_1_1_node_modules_vue_loader_lib_loaders_stylePostLoader_js_node_modules_postcss_loader_src_index_js_ref_8_oneOf_1_2_node_modules_sass_loader_dist_cjs_js_ref_8_oneOf_1_3_node_modules_cache_loader_dist_cjs_js_ref_0_0_node_modules_vue_loader_lib_index_js_vue_loader_options_fade_in_vue_vue_type_style_index_0_lang_scss___WEBPACK_IMPORTED_MODULE_0___default = /*#__PURE__*/__webpack_require__.n(_node_modules_mini_css_extract_plugin_dist_loader_js_ref_8_oneOf_1_0_node_modules_css_loader_dist_cjs_js_ref_8_oneOf_1_1_node_modules_vue_loader_lib_loaders_stylePostLoader_js_node_modules_postcss_loader_src_index_js_ref_8_oneOf_1_2_node_modules_sass_loader_dist_cjs_js_ref_8_oneOf_1_3_node_modules_cache_loader_dist_cjs_js_ref_0_0_node_modules_vue_loader_lib_index_js_vue_loader_options_fade_in_vue_vue_type_style_index_0_lang_scss___WEBPACK_IMPORTED_MODULE_0__);
/* unused harmony reexport * */
 /* unused harmony default export */ var _unused_webpack_default_export = (_node_modules_mini_css_extract_plugin_dist_loader_js_ref_8_oneOf_1_0_node_modules_css_loader_dist_cjs_js_ref_8_oneOf_1_1_node_modules_vue_loader_lib_loaders_stylePostLoader_js_node_modules_postcss_loader_src_index_js_ref_8_oneOf_1_2_node_modules_sass_loader_dist_cjs_js_ref_8_oneOf_1_3_node_modules_cache_loader_dist_cjs_js_ref_0_0_node_modules_vue_loader_lib_index_js_vue_loader_options_fade_in_vue_vue_type_style_index_0_lang_scss___WEBPACK_IMPORTED_MODULE_0___default.a); 

/***/ }),

/***/ "90e3":
/***/ (function(module, exports) {

var id = 0;
var postfix = Math.random();

module.exports = function (key) {
  return 'Symbol(' + String(key === undefined ? '' : key) + ')_' + (++id + postfix).toString(36);
};


/***/ }),

/***/ "9112":
/***/ (function(module, exports, __webpack_require__) {

var DESCRIPTORS = __webpack_require__("83ab");
var definePropertyModule = __webpack_require__("9bf2");
var createPropertyDescriptor = __webpack_require__("5c6c");

module.exports = DESCRIPTORS ? function (object, key, value) {
  return definePropertyModule.f(object, key, createPropertyDescriptor(1, value));
} : function (object, key, value) {
  object[key] = value;
  return object;
};


/***/ }),

/***/ "9263":
/***/ (function(module, exports, __webpack_require__) {

"use strict";

var regexpFlags = __webpack_require__("ad6d");
var stickyHelpers = __webpack_require__("9f7f");

var nativeExec = RegExp.prototype.exec;
// This always refers to the native implementation, because the
// String#replace polyfill uses ./fix-regexp-well-known-symbol-logic.js,
// which loads this file before patching the method.
var nativeReplace = String.prototype.replace;

var patchedExec = nativeExec;

var UPDATES_LAST_INDEX_WRONG = (function () {
  var re1 = /a/;
  var re2 = /b*/g;
  nativeExec.call(re1, 'a');
  nativeExec.call(re2, 'a');
  return re1.lastIndex !== 0 || re2.lastIndex !== 0;
})();

var UNSUPPORTED_Y = stickyHelpers.UNSUPPORTED_Y || stickyHelpers.BROKEN_CARET;

// nonparticipating capturing group, copied from es5-shim's String#split patch.
var NPCG_INCLUDED = /()??/.exec('')[1] !== undefined;

var PATCH = UPDATES_LAST_INDEX_WRONG || NPCG_INCLUDED || UNSUPPORTED_Y;

if (PATCH) {
  patchedExec = function exec(str) {
    var re = this;
    var lastIndex, reCopy, match, i;
    var sticky = UNSUPPORTED_Y && re.sticky;
    var flags = regexpFlags.call(re);
    var source = re.source;
    var charsAdded = 0;
    var strCopy = str;

    if (sticky) {
      flags = flags.replace('y', '');
      if (flags.indexOf('g') === -1) {
        flags += 'g';
      }

      strCopy = String(str).slice(re.lastIndex);
      // Support anchored sticky behavior.
      if (re.lastIndex > 0 && (!re.multiline || re.multiline && str[re.lastIndex - 1] !== '\n')) {
        source = '(?: ' + source + ')';
        strCopy = ' ' + strCopy;
        charsAdded++;
      }
      // ^(? + rx + ) is needed, in combination with some str slicing, to
      // simulate the 'y' flag.
      reCopy = new RegExp('^(?:' + source + ')', flags);
    }

    if (NPCG_INCLUDED) {
      reCopy = new RegExp('^' + source + '$(?!\\s)', flags);
    }
    if (UPDATES_LAST_INDEX_WRONG) lastIndex = re.lastIndex;

    match = nativeExec.call(sticky ? reCopy : re, strCopy);

    if (sticky) {
      if (match) {
        match.input = match.input.slice(charsAdded);
        match[0] = match[0].slice(charsAdded);
        match.index = re.lastIndex;
        re.lastIndex += match[0].length;
      } else re.lastIndex = 0;
    } else if (UPDATES_LAST_INDEX_WRONG && match) {
      re.lastIndex = re.global ? match.index + match[0].length : lastIndex;
    }
    if (NPCG_INCLUDED && match && match.length > 1) {
      // Fix browsers whose `exec` methods don't consistently return `undefined`
      // for NPCG, like IE8. NOTE: This doesn' work for /(.?)?/
      nativeReplace.call(match[0], reCopy, function () {
        for (i = 1; i < arguments.length - 2; i++) {
          if (arguments[i] === undefined) match[i] = undefined;
        }
      });
    }

    return match;
  };
}

module.exports = patchedExec;


/***/ }),

/***/ "94ca":
/***/ (function(module, exports, __webpack_require__) {

var fails = __webpack_require__("d039");

var replacement = /#|\.prototype\./;

var isForced = function (feature, detection) {
  var value = data[normalize(feature)];
  return value == POLYFILL ? true
    : value == NATIVE ? false
    : typeof detection == 'function' ? fails(detection)
    : !!detection;
};

var normalize = isForced.normalize = function (string) {
  return String(string).replace(replacement, '.').toLowerCase();
};

var data = isForced.data = {};
var NATIVE = isForced.NATIVE = 'N';
var POLYFILL = isForced.POLYFILL = 'P';

module.exports = isForced;


/***/ }),

/***/ "9861":
/***/ (function(module, exports, __webpack_require__) {

"use strict";

// TODO: in core-js@4, move /modules/ dependencies to public entries for better optimization by tools like `preset-env`
__webpack_require__("e260");
var $ = __webpack_require__("23e7");
var getBuiltIn = __webpack_require__("d066");
var USE_NATIVE_URL = __webpack_require__("0d3b");
var redefine = __webpack_require__("6eeb");
var redefineAll = __webpack_require__("e2cc");
var setToStringTag = __webpack_require__("d44e");
var createIteratorConstructor = __webpack_require__("9ed3");
var InternalStateModule = __webpack_require__("69f3");
var anInstance = __webpack_require__("19aa");
var hasOwn = __webpack_require__("5135");
var bind = __webpack_require__("0366");
var classof = __webpack_require__("f5df");
var anObject = __webpack_require__("825a");
var isObject = __webpack_require__("861d");
var create = __webpack_require__("7c73");
var createPropertyDescriptor = __webpack_require__("5c6c");
var getIterator = __webpack_require__("9a1f");
var getIteratorMethod = __webpack_require__("35a1");
var wellKnownSymbol = __webpack_require__("b622");

var $fetch = getBuiltIn('fetch');
var Headers = getBuiltIn('Headers');
var ITERATOR = wellKnownSymbol('iterator');
var URL_SEARCH_PARAMS = 'URLSearchParams';
var URL_SEARCH_PARAMS_ITERATOR = URL_SEARCH_PARAMS + 'Iterator';
var setInternalState = InternalStateModule.set;
var getInternalParamsState = InternalStateModule.getterFor(URL_SEARCH_PARAMS);
var getInternalIteratorState = InternalStateModule.getterFor(URL_SEARCH_PARAMS_ITERATOR);

var plus = /\+/g;
var sequences = Array(4);

var percentSequence = function (bytes) {
  return sequences[bytes - 1] || (sequences[bytes - 1] = RegExp('((?:%[\\da-f]{2}){' + bytes + '})', 'gi'));
};

var percentDecode = function (sequence) {
  try {
    return decodeURIComponent(sequence);
  } catch (error) {
    return sequence;
  }
};

var deserialize = function (it) {
  var result = it.replace(plus, ' ');
  var bytes = 4;
  try {
    return decodeURIComponent(result);
  } catch (error) {
    while (bytes) {
      result = result.replace(percentSequence(bytes--), percentDecode);
    }
    return result;
  }
};

var find = /[!'()~]|%20/g;

var replace = {
  '!': '%21',
  "'": '%27',
  '(': '%28',
  ')': '%29',
  '~': '%7E',
  '%20': '+'
};

var replacer = function (match) {
  return replace[match];
};

var serialize = function (it) {
  return encodeURIComponent(it).replace(find, replacer);
};

var parseSearchParams = function (result, query) {
  if (query) {
    var attributes = query.split('&');
    var index = 0;
    var attribute, entry;
    while (index < attributes.length) {
      attribute = attributes[index++];
      if (attribute.length) {
        entry = attribute.split('=');
        result.push({
          key: deserialize(entry.shift()),
          value: deserialize(entry.join('='))
        });
      }
    }
  }
};

var updateSearchParams = function (query) {
  this.entries.length = 0;
  parseSearchParams(this.entries, query);
};

var validateArgumentsLength = function (passed, required) {
  if (passed < required) throw TypeError('Not enough arguments');
};

var URLSearchParamsIterator = createIteratorConstructor(function Iterator(params, kind) {
  setInternalState(this, {
    type: URL_SEARCH_PARAMS_ITERATOR,
    iterator: getIterator(getInternalParamsState(params).entries),
    kind: kind
  });
}, 'Iterator', function next() {
  var state = getInternalIteratorState(this);
  var kind = state.kind;
  var step = state.iterator.next();
  var entry = step.value;
  if (!step.done) {
    step.value = kind === 'keys' ? entry.key : kind === 'values' ? entry.value : [entry.key, entry.value];
  } return step;
});

// `URLSearchParams` constructor
// https://url.spec.whatwg.org/#interface-urlsearchparams
var URLSearchParamsConstructor = function URLSearchParams(/* init */) {
  anInstance(this, URLSearchParamsConstructor, URL_SEARCH_PARAMS);
  var init = arguments.length > 0 ? arguments[0] : undefined;
  var that = this;
  var entries = [];
  var iteratorMethod, iterator, next, step, entryIterator, entryNext, first, second, key;

  setInternalState(that, {
    type: URL_SEARCH_PARAMS,
    entries: entries,
    updateURL: function () { /* empty */ },
    updateSearchParams: updateSearchParams
  });

  if (init !== undefined) {
    if (isObject(init)) {
      iteratorMethod = getIteratorMethod(init);
      if (typeof iteratorMethod === 'function') {
        iterator = iteratorMethod.call(init);
        next = iterator.next;
        while (!(step = next.call(iterator)).done) {
          entryIterator = getIterator(anObject(step.value));
          entryNext = entryIterator.next;
          if (
            (first = entryNext.call(entryIterator)).done ||
            (second = entryNext.call(entryIterator)).done ||
            !entryNext.call(entryIterator).done
          ) throw TypeError('Expected sequence with length 2');
          entries.push({ key: first.value + '', value: second.value + '' });
        }
      } else for (key in init) if (hasOwn(init, key)) entries.push({ key: key, value: init[key] + '' });
    } else {
      parseSearchParams(entries, typeof init === 'string' ? init.charAt(0) === '?' ? init.slice(1) : init : init + '');
    }
  }
};

var URLSearchParamsPrototype = URLSearchParamsConstructor.prototype;

redefineAll(URLSearchParamsPrototype, {
  // `URLSearchParams.prototype.appent` method
  // https://url.spec.whatwg.org/#dom-urlsearchparams-append
  append: function append(name, value) {
    validateArgumentsLength(arguments.length, 2);
    var state = getInternalParamsState(this);
    state.entries.push({ key: name + '', value: value + '' });
    state.updateURL();
  },
  // `URLSearchParams.prototype.delete` method
  // https://url.spec.whatwg.org/#dom-urlsearchparams-delete
  'delete': function (name) {
    validateArgumentsLength(arguments.length, 1);
    var state = getInternalParamsState(this);
    var entries = state.entries;
    var key = name + '';
    var index = 0;
    while (index < entries.length) {
      if (entries[index].key === key) entries.splice(index, 1);
      else index++;
    }
    state.updateURL();
  },
  // `URLSearchParams.prototype.get` method
  // https://url.spec.whatwg.org/#dom-urlsearchparams-get
  get: function get(name) {
    validateArgumentsLength(arguments.length, 1);
    var entries = getInternalParamsState(this).entries;
    var key = name + '';
    var index = 0;
    for (; index < entries.length; index++) {
      if (entries[index].key === key) return entries[index].value;
    }
    return null;
  },
  // `URLSearchParams.prototype.getAll` method
  // https://url.spec.whatwg.org/#dom-urlsearchparams-getall
  getAll: function getAll(name) {
    validateArgumentsLength(arguments.length, 1);
    var entries = getInternalParamsState(this).entries;
    var key = name + '';
    var result = [];
    var index = 0;
    for (; index < entries.length; index++) {
      if (entries[index].key === key) result.push(entries[index].value);
    }
    return result;
  },
  // `URLSearchParams.prototype.has` method
  // https://url.spec.whatwg.org/#dom-urlsearchparams-has
  has: function has(name) {
    validateArgumentsLength(arguments.length, 1);
    var entries = getInternalParamsState(this).entries;
    var key = name + '';
    var index = 0;
    while (index < entries.length) {
      if (entries[index++].key === key) return true;
    }
    return false;
  },
  // `URLSearchParams.prototype.set` method
  // https://url.spec.whatwg.org/#dom-urlsearchparams-set
  set: function set(name, value) {
    validateArgumentsLength(arguments.length, 1);
    var state = getInternalParamsState(this);
    var entries = state.entries;
    var found = false;
    var key = name + '';
    var val = value + '';
    var index = 0;
    var entry;
    for (; index < entries.length; index++) {
      entry = entries[index];
      if (entry.key === key) {
        if (found) entries.splice(index--, 1);
        else {
          found = true;
          entry.value = val;
        }
      }
    }
    if (!found) entries.push({ key: key, value: val });
    state.updateURL();
  },
  // `URLSearchParams.prototype.sort` method
  // https://url.spec.whatwg.org/#dom-urlsearchparams-sort
  sort: function sort() {
    var state = getInternalParamsState(this);
    var entries = state.entries;
    // Array#sort is not stable in some engines
    var slice = entries.slice();
    var entry, entriesIndex, sliceIndex;
    entries.length = 0;
    for (sliceIndex = 0; sliceIndex < slice.length; sliceIndex++) {
      entry = slice[sliceIndex];
      for (entriesIndex = 0; entriesIndex < sliceIndex; entriesIndex++) {
        if (entries[entriesIndex].key > entry.key) {
          entries.splice(entriesIndex, 0, entry);
          break;
        }
      }
      if (entriesIndex === sliceIndex) entries.push(entry);
    }
    state.updateURL();
  },
  // `URLSearchParams.prototype.forEach` method
  forEach: function forEach(callback /* , thisArg */) {
    var entries = getInternalParamsState(this).entries;
    var boundFunction = bind(callback, arguments.length > 1 ? arguments[1] : undefined, 3);
    var index = 0;
    var entry;
    while (index < entries.length) {
      entry = entries[index++];
      boundFunction(entry.value, entry.key, this);
    }
  },
  // `URLSearchParams.prototype.keys` method
  keys: function keys() {
    return new URLSearchParamsIterator(this, 'keys');
  },
  // `URLSearchParams.prototype.values` method
  values: function values() {
    return new URLSearchParamsIterator(this, 'values');
  },
  // `URLSearchParams.prototype.entries` method
  entries: function entries() {
    return new URLSearchParamsIterator(this, 'entries');
  }
}, { enumerable: true });

// `URLSearchParams.prototype[@@iterator]` method
redefine(URLSearchParamsPrototype, ITERATOR, URLSearchParamsPrototype.entries);

// `URLSearchParams.prototype.toString` method
// https://url.spec.whatwg.org/#urlsearchparams-stringification-behavior
redefine(URLSearchParamsPrototype, 'toString', function toString() {
  var entries = getInternalParamsState(this).entries;
  var result = [];
  var index = 0;
  var entry;
  while (index < entries.length) {
    entry = entries[index++];
    result.push(serialize(entry.key) + '=' + serialize(entry.value));
  } return result.join('&');
}, { enumerable: true });

setToStringTag(URLSearchParamsConstructor, URL_SEARCH_PARAMS);

$({ global: true, forced: !USE_NATIVE_URL }, {
  URLSearchParams: URLSearchParamsConstructor
});

// Wrap `fetch` for correct work with polyfilled `URLSearchParams`
// https://github.com/zloirock/core-js/issues/674
if (!USE_NATIVE_URL && typeof $fetch == 'function' && typeof Headers == 'function') {
  $({ global: true, enumerable: true, forced: true }, {
    fetch: function fetch(input /* , init */) {
      var args = [input];
      var init, body, headers;
      if (arguments.length > 1) {
        init = arguments[1];
        if (isObject(init)) {
          body = init.body;
          if (classof(body) === URL_SEARCH_PARAMS) {
            headers = init.headers ? new Headers(init.headers) : new Headers();
            if (!headers.has('content-type')) {
              headers.set('content-type', 'application/x-www-form-urlencoded;charset=UTF-8');
            }
            init = create(init, {
              body: createPropertyDescriptor(0, String(body)),
              headers: createPropertyDescriptor(0, headers)
            });
          }
        }
        args.push(init);
      } return $fetch.apply(this, args);
    }
  });
}

module.exports = {
  URLSearchParams: URLSearchParamsConstructor,
  getState: getInternalParamsState
};


/***/ }),

/***/ "99af":
/***/ (function(module, exports, __webpack_require__) {

"use strict";

var $ = __webpack_require__("23e7");
var fails = __webpack_require__("d039");
var isArray = __webpack_require__("e8b5");
var isObject = __webpack_require__("861d");
var toObject = __webpack_require__("7b0b");
var toLength = __webpack_require__("50c4");
var createProperty = __webpack_require__("8418");
var arraySpeciesCreate = __webpack_require__("65f0");
var arrayMethodHasSpeciesSupport = __webpack_require__("1dde");
var wellKnownSymbol = __webpack_require__("b622");
var V8_VERSION = __webpack_require__("2d00");

var IS_CONCAT_SPREADABLE = wellKnownSymbol('isConcatSpreadable');
var MAX_SAFE_INTEGER = 0x1FFFFFFFFFFFFF;
var MAXIMUM_ALLOWED_INDEX_EXCEEDED = 'Maximum allowed index exceeded';

// We can't use this feature detection in V8 since it causes
// deoptimization and serious performance degradation
// https://github.com/zloirock/core-js/issues/679
var IS_CONCAT_SPREADABLE_SUPPORT = V8_VERSION >= 51 || !fails(function () {
  var array = [];
  array[IS_CONCAT_SPREADABLE] = false;
  return array.concat()[0] !== array;
});

var SPECIES_SUPPORT = arrayMethodHasSpeciesSupport('concat');

var isConcatSpreadable = function (O) {
  if (!isObject(O)) return false;
  var spreadable = O[IS_CONCAT_SPREADABLE];
  return spreadable !== undefined ? !!spreadable : isArray(O);
};

var FORCED = !IS_CONCAT_SPREADABLE_SUPPORT || !SPECIES_SUPPORT;

// `Array.prototype.concat` method
// https://tc39.github.io/ecma262/#sec-array.prototype.concat
// with adding support of @@isConcatSpreadable and @@species
$({ target: 'Array', proto: true, forced: FORCED }, {
  concat: function concat(arg) { // eslint-disable-line no-unused-vars
    var O = toObject(this);
    var A = arraySpeciesCreate(O, 0);
    var n = 0;
    var i, k, length, len, E;
    for (i = -1, length = arguments.length; i < length; i++) {
      E = i === -1 ? O : arguments[i];
      if (isConcatSpreadable(E)) {
        len = toLength(E.length);
        if (n + len > MAX_SAFE_INTEGER) throw TypeError(MAXIMUM_ALLOWED_INDEX_EXCEEDED);
        for (k = 0; k < len; k++, n++) if (k in E) createProperty(A, n, E[k]);
      } else {
        if (n >= MAX_SAFE_INTEGER) throw TypeError(MAXIMUM_ALLOWED_INDEX_EXCEEDED);
        createProperty(A, n++, E);
      }
    }
    A.length = n;
    return A;
  }
});


/***/ }),

/***/ "9a1f":
/***/ (function(module, exports, __webpack_require__) {

var anObject = __webpack_require__("825a");
var getIteratorMethod = __webpack_require__("35a1");

module.exports = function (it) {
  var iteratorMethod = getIteratorMethod(it);
  if (typeof iteratorMethod != 'function') {
    throw TypeError(String(it) + ' is not iterable');
  } return anObject(iteratorMethod.call(it));
};


/***/ }),

/***/ "9bdd":
/***/ (function(module, exports, __webpack_require__) {

var anObject = __webpack_require__("825a");

// call something on iterator step with safe closing on error
module.exports = function (iterator, fn, value, ENTRIES) {
  try {
    return ENTRIES ? fn(anObject(value)[0], value[1]) : fn(value);
  // 7.4.6 IteratorClose(iterator, completion)
  } catch (error) {
    var returnMethod = iterator['return'];
    if (returnMethod !== undefined) anObject(returnMethod.call(iterator));
    throw error;
  }
};


/***/ }),

/***/ "9bf2":
/***/ (function(module, exports, __webpack_require__) {

var DESCRIPTORS = __webpack_require__("83ab");
var IE8_DOM_DEFINE = __webpack_require__("0cfb");
var anObject = __webpack_require__("825a");
var toPrimitive = __webpack_require__("c04e");

var nativeDefineProperty = Object.defineProperty;

// `Object.defineProperty` method
// https://tc39.github.io/ecma262/#sec-object.defineproperty
exports.f = DESCRIPTORS ? nativeDefineProperty : function defineProperty(O, P, Attributes) {
  anObject(O);
  P = toPrimitive(P, true);
  anObject(Attributes);
  if (IE8_DOM_DEFINE) try {
    return nativeDefineProperty(O, P, Attributes);
  } catch (error) { /* empty */ }
  if ('get' in Attributes || 'set' in Attributes) throw TypeError('Accessors not supported');
  if ('value' in Attributes) O[P] = Attributes.value;
  return O;
};


/***/ }),

/***/ "9ed3":
/***/ (function(module, exports, __webpack_require__) {

"use strict";

var IteratorPrototype = __webpack_require__("ae93").IteratorPrototype;
var create = __webpack_require__("7c73");
var createPropertyDescriptor = __webpack_require__("5c6c");
var setToStringTag = __webpack_require__("d44e");
var Iterators = __webpack_require__("3f8c");

var returnThis = function () { return this; };

module.exports = function (IteratorConstructor, NAME, next) {
  var TO_STRING_TAG = NAME + ' Iterator';
  IteratorConstructor.prototype = create(IteratorPrototype, { next: createPropertyDescriptor(1, next) });
  setToStringTag(IteratorConstructor, TO_STRING_TAG, false, true);
  Iterators[TO_STRING_TAG] = returnThis;
  return IteratorConstructor;
};


/***/ }),

/***/ "9f7f":
/***/ (function(module, exports, __webpack_require__) {

"use strict";


var fails = __webpack_require__("d039");

// babel-minify transpiles RegExp('a', 'y') -> /a/y and it causes SyntaxError,
// so we use an intermediate function.
function RE(s, f) {
  return RegExp(s, f);
}

exports.UNSUPPORTED_Y = fails(function () {
  // babel-minify transpiles RegExp('a', 'y') -> /a/y and it causes SyntaxError
  var re = RE('a', 'y');
  re.lastIndex = 2;
  return re.exec('abcd') != null;
});

exports.BROKEN_CARET = fails(function () {
  // https://bugzilla.mozilla.org/show_bug.cgi?id=773687
  var re = RE('^r', 'gy');
  re.lastIndex = 2;
  return re.exec('str') != null;
});


/***/ }),

/***/ "a434":
/***/ (function(module, exports, __webpack_require__) {

"use strict";

var $ = __webpack_require__("23e7");
var toAbsoluteIndex = __webpack_require__("23cb");
var toInteger = __webpack_require__("a691");
var toLength = __webpack_require__("50c4");
var toObject = __webpack_require__("7b0b");
var arraySpeciesCreate = __webpack_require__("65f0");
var createProperty = __webpack_require__("8418");
var arrayMethodHasSpeciesSupport = __webpack_require__("1dde");
var arrayMethodUsesToLength = __webpack_require__("ae40");

var HAS_SPECIES_SUPPORT = arrayMethodHasSpeciesSupport('splice');
var USES_TO_LENGTH = arrayMethodUsesToLength('splice', { ACCESSORS: true, 0: 0, 1: 2 });

var max = Math.max;
var min = Math.min;
var MAX_SAFE_INTEGER = 0x1FFFFFFFFFFFFF;
var MAXIMUM_ALLOWED_LENGTH_EXCEEDED = 'Maximum allowed length exceeded';

// `Array.prototype.splice` method
// https://tc39.github.io/ecma262/#sec-array.prototype.splice
// with adding support of @@species
$({ target: 'Array', proto: true, forced: !HAS_SPECIES_SUPPORT || !USES_TO_LENGTH }, {
  splice: function splice(start, deleteCount /* , ...items */) {
    var O = toObject(this);
    var len = toLength(O.length);
    var actualStart = toAbsoluteIndex(start, len);
    var argumentsLength = arguments.length;
    var insertCount, actualDeleteCount, A, k, from, to;
    if (argumentsLength === 0) {
      insertCount = actualDeleteCount = 0;
    } else if (argumentsLength === 1) {
      insertCount = 0;
      actualDeleteCount = len - actualStart;
    } else {
      insertCount = argumentsLength - 2;
      actualDeleteCount = min(max(toInteger(deleteCount), 0), len - actualStart);
    }
    if (len + insertCount - actualDeleteCount > MAX_SAFE_INTEGER) {
      throw TypeError(MAXIMUM_ALLOWED_LENGTH_EXCEEDED);
    }
    A = arraySpeciesCreate(O, actualDeleteCount);
    for (k = 0; k < actualDeleteCount; k++) {
      from = actualStart + k;
      if (from in O) createProperty(A, k, O[from]);
    }
    A.length = actualDeleteCount;
    if (insertCount < actualDeleteCount) {
      for (k = actualStart; k < len - actualDeleteCount; k++) {
        from = k + actualDeleteCount;
        to = k + insertCount;
        if (from in O) O[to] = O[from];
        else delete O[to];
      }
      for (k = len; k > len - actualDeleteCount + insertCount; k--) delete O[k - 1];
    } else if (insertCount > actualDeleteCount) {
      for (k = len - actualDeleteCount; k > actualStart; k--) {
        from = k + actualDeleteCount - 1;
        to = k + insertCount - 1;
        if (from in O) O[to] = O[from];
        else delete O[to];
      }
    }
    for (k = 0; k < insertCount; k++) {
      O[k + actualStart] = arguments[k + 2];
    }
    O.length = len - actualDeleteCount + insertCount;
    return A;
  }
});


/***/ }),

/***/ "a4d3":
/***/ (function(module, exports, __webpack_require__) {

"use strict";

var $ = __webpack_require__("23e7");
var global = __webpack_require__("da84");
var getBuiltIn = __webpack_require__("d066");
var IS_PURE = __webpack_require__("c430");
var DESCRIPTORS = __webpack_require__("83ab");
var NATIVE_SYMBOL = __webpack_require__("4930");
var USE_SYMBOL_AS_UID = __webpack_require__("fdbf");
var fails = __webpack_require__("d039");
var has = __webpack_require__("5135");
var isArray = __webpack_require__("e8b5");
var isObject = __webpack_require__("861d");
var anObject = __webpack_require__("825a");
var toObject = __webpack_require__("7b0b");
var toIndexedObject = __webpack_require__("fc6a");
var toPrimitive = __webpack_require__("c04e");
var createPropertyDescriptor = __webpack_require__("5c6c");
var nativeObjectCreate = __webpack_require__("7c73");
var objectKeys = __webpack_require__("df75");
var getOwnPropertyNamesModule = __webpack_require__("241c");
var getOwnPropertyNamesExternal = __webpack_require__("057f");
var getOwnPropertySymbolsModule = __webpack_require__("7418");
var getOwnPropertyDescriptorModule = __webpack_require__("06cf");
var definePropertyModule = __webpack_require__("9bf2");
var propertyIsEnumerableModule = __webpack_require__("d1e7");
var createNonEnumerableProperty = __webpack_require__("9112");
var redefine = __webpack_require__("6eeb");
var shared = __webpack_require__("5692");
var sharedKey = __webpack_require__("f772");
var hiddenKeys = __webpack_require__("d012");
var uid = __webpack_require__("90e3");
var wellKnownSymbol = __webpack_require__("b622");
var wrappedWellKnownSymbolModule = __webpack_require__("e538");
var defineWellKnownSymbol = __webpack_require__("746f");
var setToStringTag = __webpack_require__("d44e");
var InternalStateModule = __webpack_require__("69f3");
var $forEach = __webpack_require__("b727").forEach;

var HIDDEN = sharedKey('hidden');
var SYMBOL = 'Symbol';
var PROTOTYPE = 'prototype';
var TO_PRIMITIVE = wellKnownSymbol('toPrimitive');
var setInternalState = InternalStateModule.set;
var getInternalState = InternalStateModule.getterFor(SYMBOL);
var ObjectPrototype = Object[PROTOTYPE];
var $Symbol = global.Symbol;
var $stringify = getBuiltIn('JSON', 'stringify');
var nativeGetOwnPropertyDescriptor = getOwnPropertyDescriptorModule.f;
var nativeDefineProperty = definePropertyModule.f;
var nativeGetOwnPropertyNames = getOwnPropertyNamesExternal.f;
var nativePropertyIsEnumerable = propertyIsEnumerableModule.f;
var AllSymbols = shared('symbols');
var ObjectPrototypeSymbols = shared('op-symbols');
var StringToSymbolRegistry = shared('string-to-symbol-registry');
var SymbolToStringRegistry = shared('symbol-to-string-registry');
var WellKnownSymbolsStore = shared('wks');
var QObject = global.QObject;
// Don't use setters in Qt Script, https://github.com/zloirock/core-js/issues/173
var USE_SETTER = !QObject || !QObject[PROTOTYPE] || !QObject[PROTOTYPE].findChild;

// fallback for old Android, https://code.google.com/p/v8/issues/detail?id=687
var setSymbolDescriptor = DESCRIPTORS && fails(function () {
  return nativeObjectCreate(nativeDefineProperty({}, 'a', {
    get: function () { return nativeDefineProperty(this, 'a', { value: 7 }).a; }
  })).a != 7;
}) ? function (O, P, Attributes) {
  var ObjectPrototypeDescriptor = nativeGetOwnPropertyDescriptor(ObjectPrototype, P);
  if (ObjectPrototypeDescriptor) delete ObjectPrototype[P];
  nativeDefineProperty(O, P, Attributes);
  if (ObjectPrototypeDescriptor && O !== ObjectPrototype) {
    nativeDefineProperty(ObjectPrototype, P, ObjectPrototypeDescriptor);
  }
} : nativeDefineProperty;

var wrap = function (tag, description) {
  var symbol = AllSymbols[tag] = nativeObjectCreate($Symbol[PROTOTYPE]);
  setInternalState(symbol, {
    type: SYMBOL,
    tag: tag,
    description: description
  });
  if (!DESCRIPTORS) symbol.description = description;
  return symbol;
};

var isSymbol = USE_SYMBOL_AS_UID ? function (it) {
  return typeof it == 'symbol';
} : function (it) {
  return Object(it) instanceof $Symbol;
};

var $defineProperty = function defineProperty(O, P, Attributes) {
  if (O === ObjectPrototype) $defineProperty(ObjectPrototypeSymbols, P, Attributes);
  anObject(O);
  var key = toPrimitive(P, true);
  anObject(Attributes);
  if (has(AllSymbols, key)) {
    if (!Attributes.enumerable) {
      if (!has(O, HIDDEN)) nativeDefineProperty(O, HIDDEN, createPropertyDescriptor(1, {}));
      O[HIDDEN][key] = true;
    } else {
      if (has(O, HIDDEN) && O[HIDDEN][key]) O[HIDDEN][key] = false;
      Attributes = nativeObjectCreate(Attributes, { enumerable: createPropertyDescriptor(0, false) });
    } return setSymbolDescriptor(O, key, Attributes);
  } return nativeDefineProperty(O, key, Attributes);
};

var $defineProperties = function defineProperties(O, Properties) {
  anObject(O);
  var properties = toIndexedObject(Properties);
  var keys = objectKeys(properties).concat($getOwnPropertySymbols(properties));
  $forEach(keys, function (key) {
    if (!DESCRIPTORS || $propertyIsEnumerable.call(properties, key)) $defineProperty(O, key, properties[key]);
  });
  return O;
};

var $create = function create(O, Properties) {
  return Properties === undefined ? nativeObjectCreate(O) : $defineProperties(nativeObjectCreate(O), Properties);
};

var $propertyIsEnumerable = function propertyIsEnumerable(V) {
  var P = toPrimitive(V, true);
  var enumerable = nativePropertyIsEnumerable.call(this, P);
  if (this === ObjectPrototype && has(AllSymbols, P) && !has(ObjectPrototypeSymbols, P)) return false;
  return enumerable || !has(this, P) || !has(AllSymbols, P) || has(this, HIDDEN) && this[HIDDEN][P] ? enumerable : true;
};

var $getOwnPropertyDescriptor = function getOwnPropertyDescriptor(O, P) {
  var it = toIndexedObject(O);
  var key = toPrimitive(P, true);
  if (it === ObjectPrototype && has(AllSymbols, key) && !has(ObjectPrototypeSymbols, key)) return;
  var descriptor = nativeGetOwnPropertyDescriptor(it, key);
  if (descriptor && has(AllSymbols, key) && !(has(it, HIDDEN) && it[HIDDEN][key])) {
    descriptor.enumerable = true;
  }
  return descriptor;
};

var $getOwnPropertyNames = function getOwnPropertyNames(O) {
  var names = nativeGetOwnPropertyNames(toIndexedObject(O));
  var result = [];
  $forEach(names, function (key) {
    if (!has(AllSymbols, key) && !has(hiddenKeys, key)) result.push(key);
  });
  return result;
};

var $getOwnPropertySymbols = function getOwnPropertySymbols(O) {
  var IS_OBJECT_PROTOTYPE = O === ObjectPrototype;
  var names = nativeGetOwnPropertyNames(IS_OBJECT_PROTOTYPE ? ObjectPrototypeSymbols : toIndexedObject(O));
  var result = [];
  $forEach(names, function (key) {
    if (has(AllSymbols, key) && (!IS_OBJECT_PROTOTYPE || has(ObjectPrototype, key))) {
      result.push(AllSymbols[key]);
    }
  });
  return result;
};

// `Symbol` constructor
// https://tc39.github.io/ecma262/#sec-symbol-constructor
if (!NATIVE_SYMBOL) {
  $Symbol = function Symbol() {
    if (this instanceof $Symbol) throw TypeError('Symbol is not a constructor');
    var description = !arguments.length || arguments[0] === undefined ? undefined : String(arguments[0]);
    var tag = uid(description);
    var setter = function (value) {
      if (this === ObjectPrototype) setter.call(ObjectPrototypeSymbols, value);
      if (has(this, HIDDEN) && has(this[HIDDEN], tag)) this[HIDDEN][tag] = false;
      setSymbolDescriptor(this, tag, createPropertyDescriptor(1, value));
    };
    if (DESCRIPTORS && USE_SETTER) setSymbolDescriptor(ObjectPrototype, tag, { configurable: true, set: setter });
    return wrap(tag, description);
  };

  redefine($Symbol[PROTOTYPE], 'toString', function toString() {
    return getInternalState(this).tag;
  });

  redefine($Symbol, 'withoutSetter', function (description) {
    return wrap(uid(description), description);
  });

  propertyIsEnumerableModule.f = $propertyIsEnumerable;
  definePropertyModule.f = $defineProperty;
  getOwnPropertyDescriptorModule.f = $getOwnPropertyDescriptor;
  getOwnPropertyNamesModule.f = getOwnPropertyNamesExternal.f = $getOwnPropertyNames;
  getOwnPropertySymbolsModule.f = $getOwnPropertySymbols;

  wrappedWellKnownSymbolModule.f = function (name) {
    return wrap(wellKnownSymbol(name), name);
  };

  if (DESCRIPTORS) {
    // https://github.com/tc39/proposal-Symbol-description
    nativeDefineProperty($Symbol[PROTOTYPE], 'description', {
      configurable: true,
      get: function description() {
        return getInternalState(this).description;
      }
    });
    if (!IS_PURE) {
      redefine(ObjectPrototype, 'propertyIsEnumerable', $propertyIsEnumerable, { unsafe: true });
    }
  }
}

$({ global: true, wrap: true, forced: !NATIVE_SYMBOL, sham: !NATIVE_SYMBOL }, {
  Symbol: $Symbol
});

$forEach(objectKeys(WellKnownSymbolsStore), function (name) {
  defineWellKnownSymbol(name);
});

$({ target: SYMBOL, stat: true, forced: !NATIVE_SYMBOL }, {
  // `Symbol.for` method
  // https://tc39.github.io/ecma262/#sec-symbol.for
  'for': function (key) {
    var string = String(key);
    if (has(StringToSymbolRegistry, string)) return StringToSymbolRegistry[string];
    var symbol = $Symbol(string);
    StringToSymbolRegistry[string] = symbol;
    SymbolToStringRegistry[symbol] = string;
    return symbol;
  },
  // `Symbol.keyFor` method
  // https://tc39.github.io/ecma262/#sec-symbol.keyfor
  keyFor: function keyFor(sym) {
    if (!isSymbol(sym)) throw TypeError(sym + ' is not a symbol');
    if (has(SymbolToStringRegistry, sym)) return SymbolToStringRegistry[sym];
  },
  useSetter: function () { USE_SETTER = true; },
  useSimple: function () { USE_SETTER = false; }
});

$({ target: 'Object', stat: true, forced: !NATIVE_SYMBOL, sham: !DESCRIPTORS }, {
  // `Object.create` method
  // https://tc39.github.io/ecma262/#sec-object.create
  create: $create,
  // `Object.defineProperty` method
  // https://tc39.github.io/ecma262/#sec-object.defineproperty
  defineProperty: $defineProperty,
  // `Object.defineProperties` method
  // https://tc39.github.io/ecma262/#sec-object.defineproperties
  defineProperties: $defineProperties,
  // `Object.getOwnPropertyDescriptor` method
  // https://tc39.github.io/ecma262/#sec-object.getownpropertydescriptors
  getOwnPropertyDescriptor: $getOwnPropertyDescriptor
});

$({ target: 'Object', stat: true, forced: !NATIVE_SYMBOL }, {
  // `Object.getOwnPropertyNames` method
  // https://tc39.github.io/ecma262/#sec-object.getownpropertynames
  getOwnPropertyNames: $getOwnPropertyNames,
  // `Object.getOwnPropertySymbols` method
  // https://tc39.github.io/ecma262/#sec-object.getownpropertysymbols
  getOwnPropertySymbols: $getOwnPropertySymbols
});

// Chrome 38 and 39 `Object.getOwnPropertySymbols` fails on primitives
// https://bugs.chromium.org/p/v8/issues/detail?id=3443
$({ target: 'Object', stat: true, forced: fails(function () { getOwnPropertySymbolsModule.f(1); }) }, {
  getOwnPropertySymbols: function getOwnPropertySymbols(it) {
    return getOwnPropertySymbolsModule.f(toObject(it));
  }
});

// `JSON.stringify` method behavior with symbols
// https://tc39.github.io/ecma262/#sec-json.stringify
if ($stringify) {
  var FORCED_JSON_STRINGIFY = !NATIVE_SYMBOL || fails(function () {
    var symbol = $Symbol();
    // MS Edge converts symbol values to JSON as {}
    return $stringify([symbol]) != '[null]'
      // WebKit converts symbol values to JSON as null
      || $stringify({ a: symbol }) != '{}'
      // V8 throws on boxed symbols
      || $stringify(Object(symbol)) != '{}';
  });

  $({ target: 'JSON', stat: true, forced: FORCED_JSON_STRINGIFY }, {
    // eslint-disable-next-line no-unused-vars
    stringify: function stringify(it, replacer, space) {
      var args = [it];
      var index = 1;
      var $replacer;
      while (arguments.length > index) args.push(arguments[index++]);
      $replacer = replacer;
      if (!isObject(replacer) && it === undefined || isSymbol(it)) return; // IE8 returns string on undefined
      if (!isArray(replacer)) replacer = function (key, value) {
        if (typeof $replacer == 'function') value = $replacer.call(this, key, value);
        if (!isSymbol(value)) return value;
      };
      args[1] = replacer;
      return $stringify.apply(null, args);
    }
  });
}

// `Symbol.prototype[@@toPrimitive]` method
// https://tc39.github.io/ecma262/#sec-symbol.prototype-@@toprimitive
if (!$Symbol[PROTOTYPE][TO_PRIMITIVE]) {
  createNonEnumerableProperty($Symbol[PROTOTYPE], TO_PRIMITIVE, $Symbol[PROTOTYPE].valueOf);
}
// `Symbol.prototype[@@toStringTag]` property
// https://tc39.github.io/ecma262/#sec-symbol.prototype-@@tostringtag
setToStringTag($Symbol, SYMBOL);

hiddenKeys[HIDDEN] = true;


/***/ }),

/***/ "a623":
/***/ (function(module, exports, __webpack_require__) {

"use strict";

var $ = __webpack_require__("23e7");
var $every = __webpack_require__("b727").every;
var arrayMethodIsStrict = __webpack_require__("a640");
var arrayMethodUsesToLength = __webpack_require__("ae40");

var STRICT_METHOD = arrayMethodIsStrict('every');
var USES_TO_LENGTH = arrayMethodUsesToLength('every');

// `Array.prototype.every` method
// https://tc39.github.io/ecma262/#sec-array.prototype.every
$({ target: 'Array', proto: true, forced: !STRICT_METHOD || !USES_TO_LENGTH }, {
  every: function every(callbackfn /* , thisArg */) {
    return $every(this, callbackfn, arguments.length > 1 ? arguments[1] : undefined);
  }
});


/***/ }),

/***/ "a630":
/***/ (function(module, exports, __webpack_require__) {

var $ = __webpack_require__("23e7");
var from = __webpack_require__("4df4");
var checkCorrectnessOfIteration = __webpack_require__("1c7e");

var INCORRECT_ITERATION = !checkCorrectnessOfIteration(function (iterable) {
  Array.from(iterable);
});

// `Array.from` method
// https://tc39.github.io/ecma262/#sec-array.from
$({ target: 'Array', stat: true, forced: INCORRECT_ITERATION }, {
  from: from
});


/***/ }),

/***/ "a640":
/***/ (function(module, exports, __webpack_require__) {

"use strict";

var fails = __webpack_require__("d039");

module.exports = function (METHOD_NAME, argument) {
  var method = [][METHOD_NAME];
  return !!method && fails(function () {
    // eslint-disable-next-line no-useless-call,no-throw-literal
    method.call(null, argument || function () { throw 1; }, 1);
  });
};


/***/ }),

/***/ "a691":
/***/ (function(module, exports) {

var ceil = Math.ceil;
var floor = Math.floor;

// `ToInteger` abstract operation
// https://tc39.github.io/ecma262/#sec-tointeger
module.exports = function (argument) {
  return isNaN(argument = +argument) ? 0 : (argument > 0 ? floor : ceil)(argument);
};


/***/ }),

/***/ "a742":
/***/ (function(module, exports, __webpack_require__) {

"use strict";


exports.__esModule = true;
exports.isString = isString;
exports.isObject = isObject;
exports.isHtmlElement = isHtmlElement;
function isString(obj) {
  return Object.prototype.toString.call(obj) === '[object String]';
}

function isObject(obj) {
  return Object.prototype.toString.call(obj) === '[object Object]';
}

function isHtmlElement(node) {
  return node && node.nodeType === Node.ELEMENT_NODE;
}

var isFunction = exports.isFunction = function isFunction(functionToCheck) {
  var getType = {};
  return functionToCheck && getType.toString.call(functionToCheck) === '[object Function]';
};

var isUndefined = exports.isUndefined = function isUndefined(val) {
  return val === void 0;
};

var isDefined = exports.isDefined = function isDefined(val) {
  return val !== undefined && val !== null;
};

/***/ }),

/***/ "a934":
/***/ (function(module, exports, __webpack_require__) {

// extracted by mini-css-extract-plugin

/***/ }),

/***/ "a98b":
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
/* harmony import */ var _node_modules_mini_css_extract_plugin_dist_loader_js_ref_8_oneOf_1_0_node_modules_css_loader_dist_cjs_js_ref_8_oneOf_1_1_node_modules_vue_loader_lib_loaders_stylePostLoader_js_node_modules_postcss_loader_src_index_js_ref_8_oneOf_1_2_node_modules_sass_loader_dist_cjs_js_ref_8_oneOf_1_3_node_modules_cache_loader_dist_cjs_js_ref_0_0_node_modules_vue_loader_lib_index_js_vue_loader_options_upload_item_vue_vue_type_style_index_0_lang_scss___WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__("7854");
/* harmony import */ var _node_modules_mini_css_extract_plugin_dist_loader_js_ref_8_oneOf_1_0_node_modules_css_loader_dist_cjs_js_ref_8_oneOf_1_1_node_modules_vue_loader_lib_loaders_stylePostLoader_js_node_modules_postcss_loader_src_index_js_ref_8_oneOf_1_2_node_modules_sass_loader_dist_cjs_js_ref_8_oneOf_1_3_node_modules_cache_loader_dist_cjs_js_ref_0_0_node_modules_vue_loader_lib_index_js_vue_loader_options_upload_item_vue_vue_type_style_index_0_lang_scss___WEBPACK_IMPORTED_MODULE_0___default = /*#__PURE__*/__webpack_require__.n(_node_modules_mini_css_extract_plugin_dist_loader_js_ref_8_oneOf_1_0_node_modules_css_loader_dist_cjs_js_ref_8_oneOf_1_1_node_modules_vue_loader_lib_loaders_stylePostLoader_js_node_modules_postcss_loader_src_index_js_ref_8_oneOf_1_2_node_modules_sass_loader_dist_cjs_js_ref_8_oneOf_1_3_node_modules_cache_loader_dist_cjs_js_ref_0_0_node_modules_vue_loader_lib_index_js_vue_loader_options_upload_item_vue_vue_type_style_index_0_lang_scss___WEBPACK_IMPORTED_MODULE_0__);
/* unused harmony reexport * */
 /* unused harmony default export */ var _unused_webpack_default_export = (_node_modules_mini_css_extract_plugin_dist_loader_js_ref_8_oneOf_1_0_node_modules_css_loader_dist_cjs_js_ref_8_oneOf_1_1_node_modules_vue_loader_lib_loaders_stylePostLoader_js_node_modules_postcss_loader_src_index_js_ref_8_oneOf_1_2_node_modules_sass_loader_dist_cjs_js_ref_8_oneOf_1_3_node_modules_cache_loader_dist_cjs_js_ref_0_0_node_modules_vue_loader_lib_index_js_vue_loader_options_upload_item_vue_vue_type_style_index_0_lang_scss___WEBPACK_IMPORTED_MODULE_0___default.a); 

/***/ }),

/***/ "a9e3":
/***/ (function(module, exports, __webpack_require__) {

"use strict";

var DESCRIPTORS = __webpack_require__("83ab");
var global = __webpack_require__("da84");
var isForced = __webpack_require__("94ca");
var redefine = __webpack_require__("6eeb");
var has = __webpack_require__("5135");
var classof = __webpack_require__("c6b6");
var inheritIfRequired = __webpack_require__("7156");
var toPrimitive = __webpack_require__("c04e");
var fails = __webpack_require__("d039");
var create = __webpack_require__("7c73");
var getOwnPropertyNames = __webpack_require__("241c").f;
var getOwnPropertyDescriptor = __webpack_require__("06cf").f;
var defineProperty = __webpack_require__("9bf2").f;
var trim = __webpack_require__("58a8").trim;

var NUMBER = 'Number';
var NativeNumber = global[NUMBER];
var NumberPrototype = NativeNumber.prototype;

// Opera ~12 has broken Object#toString
var BROKEN_CLASSOF = classof(create(NumberPrototype)) == NUMBER;

// `ToNumber` abstract operation
// https://tc39.github.io/ecma262/#sec-tonumber
var toNumber = function (argument) {
  var it = toPrimitive(argument, false);
  var first, third, radix, maxCode, digits, length, index, code;
  if (typeof it == 'string' && it.length > 2) {
    it = trim(it);
    first = it.charCodeAt(0);
    if (first === 43 || first === 45) {
      third = it.charCodeAt(2);
      if (third === 88 || third === 120) return NaN; // Number('+0x1') should be NaN, old V8 fix
    } else if (first === 48) {
      switch (it.charCodeAt(1)) {
        case 66: case 98: radix = 2; maxCode = 49; break; // fast equal of /^0b[01]+$/i
        case 79: case 111: radix = 8; maxCode = 55; break; // fast equal of /^0o[0-7]+$/i
        default: return +it;
      }
      digits = it.slice(2);
      length = digits.length;
      for (index = 0; index < length; index++) {
        code = digits.charCodeAt(index);
        // parseInt parses a string to a first unavailable symbol
        // but ToNumber should return NaN if a string contains unavailable symbols
        if (code < 48 || code > maxCode) return NaN;
      } return parseInt(digits, radix);
    }
  } return +it;
};

// `Number` constructor
// https://tc39.github.io/ecma262/#sec-number-constructor
if (isForced(NUMBER, !NativeNumber(' 0o1') || !NativeNumber('0b1') || NativeNumber('+0x1'))) {
  var NumberWrapper = function Number(value) {
    var it = arguments.length < 1 ? 0 : value;
    var dummy = this;
    return dummy instanceof NumberWrapper
      // check on 1..constructor(foo) case
      && (BROKEN_CLASSOF ? fails(function () { NumberPrototype.valueOf.call(dummy); }) : classof(dummy) != NUMBER)
        ? inheritIfRequired(new NativeNumber(toNumber(it)), dummy, NumberWrapper) : toNumber(it);
  };
  for (var keys = DESCRIPTORS ? getOwnPropertyNames(NativeNumber) : (
    // ES3:
    'MAX_VALUE,MIN_VALUE,NaN,NEGATIVE_INFINITY,POSITIVE_INFINITY,' +
    // ES2015 (in case, if modules with ES2015 Number statics required before):
    'EPSILON,isFinite,isInteger,isNaN,isSafeInteger,MAX_SAFE_INTEGER,' +
    'MIN_SAFE_INTEGER,parseFloat,parseInt,isInteger'
  ).split(','), j = 0, key; keys.length > j; j++) {
    if (has(NativeNumber, key = keys[j]) && !has(NumberWrapper, key)) {
      defineProperty(NumberWrapper, key, getOwnPropertyDescriptor(NativeNumber, key));
    }
  }
  NumberWrapper.prototype = NumberPrototype;
  NumberPrototype.constructor = NumberWrapper;
  redefine(global, NUMBER, NumberWrapper);
}


/***/ }),

/***/ "ac1f":
/***/ (function(module, exports, __webpack_require__) {

"use strict";

var $ = __webpack_require__("23e7");
var exec = __webpack_require__("9263");

$({ target: 'RegExp', proto: true, forced: /./.exec !== exec }, {
  exec: exec
});


/***/ }),

/***/ "ad6d":
/***/ (function(module, exports, __webpack_require__) {

"use strict";

var anObject = __webpack_require__("825a");

// `RegExp.prototype.flags` getter implementation
// https://tc39.github.io/ecma262/#sec-get-regexp.prototype.flags
module.exports = function () {
  var that = anObject(this);
  var result = '';
  if (that.global) result += 'g';
  if (that.ignoreCase) result += 'i';
  if (that.multiline) result += 'm';
  if (that.dotAll) result += 's';
  if (that.unicode) result += 'u';
  if (that.sticky) result += 'y';
  return result;
};


/***/ }),

/***/ "ae40":
/***/ (function(module, exports, __webpack_require__) {

var DESCRIPTORS = __webpack_require__("83ab");
var fails = __webpack_require__("d039");
var has = __webpack_require__("5135");

var defineProperty = Object.defineProperty;
var cache = {};

var thrower = function (it) { throw it; };

module.exports = function (METHOD_NAME, options) {
  if (has(cache, METHOD_NAME)) return cache[METHOD_NAME];
  if (!options) options = {};
  var method = [][METHOD_NAME];
  var ACCESSORS = has(options, 'ACCESSORS') ? options.ACCESSORS : false;
  var argument0 = has(options, 0) ? options[0] : thrower;
  var argument1 = has(options, 1) ? options[1] : undefined;

  return cache[METHOD_NAME] = !!method && !fails(function () {
    if (ACCESSORS && !DESCRIPTORS) return true;
    var O = { length: -1 };

    if (ACCESSORS) defineProperty(O, 1, { enumerable: true, get: thrower });
    else O[1] = 1;

    method.call(O, argument0, argument1);
  });
};


/***/ }),

/***/ "ae93":
/***/ (function(module, exports, __webpack_require__) {

"use strict";

var getPrototypeOf = __webpack_require__("e163");
var createNonEnumerableProperty = __webpack_require__("9112");
var has = __webpack_require__("5135");
var wellKnownSymbol = __webpack_require__("b622");
var IS_PURE = __webpack_require__("c430");

var ITERATOR = wellKnownSymbol('iterator');
var BUGGY_SAFARI_ITERATORS = false;

var returnThis = function () { return this; };

// `%IteratorPrototype%` object
// https://tc39.github.io/ecma262/#sec-%iteratorprototype%-object
var IteratorPrototype, PrototypeOfArrayIteratorPrototype, arrayIterator;

if ([].keys) {
  arrayIterator = [].keys();
  // Safari 8 has buggy iterators w/o `next`
  if (!('next' in arrayIterator)) BUGGY_SAFARI_ITERATORS = true;
  else {
    PrototypeOfArrayIteratorPrototype = getPrototypeOf(getPrototypeOf(arrayIterator));
    if (PrototypeOfArrayIteratorPrototype !== Object.prototype) IteratorPrototype = PrototypeOfArrayIteratorPrototype;
  }
}

if (IteratorPrototype == undefined) IteratorPrototype = {};

// 25.1.2.1.1 %IteratorPrototype%[@@iterator]()
if (!IS_PURE && !has(IteratorPrototype, ITERATOR)) {
  createNonEnumerableProperty(IteratorPrototype, ITERATOR, returnThis);
}

module.exports = {
  IteratorPrototype: IteratorPrototype,
  BUGGY_SAFARI_ITERATORS: BUGGY_SAFARI_ITERATORS
};


/***/ }),

/***/ "b03c":
/***/ (function(module, exports) {

/**
 * Copyright 2013 vtt.js Contributors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

var autoKeyword = "auto";
var directionSetting = {
  "": true,
  "lr": true,
  "rl": true
};
var alignSetting = {
  "start": true,
  "middle": true,
  "end": true,
  "left": true,
  "right": true
};

function findDirectionSetting(value) {
  if (typeof value !== "string") {
    return false;
  }
  var dir = directionSetting[value.toLowerCase()];
  return dir ? value.toLowerCase() : false;
}

function findAlignSetting(value) {
  if (typeof value !== "string") {
    return false;
  }
  var align = alignSetting[value.toLowerCase()];
  return align ? value.toLowerCase() : false;
}

function extend(obj) {
  var i = 1;
  for (; i < arguments.length; i++) {
    var cobj = arguments[i];
    for (var p in cobj) {
      obj[p] = cobj[p];
    }
  }

  return obj;
}

function VTTCue(startTime, endTime, text) {
  var cue = this;
  var isIE8 = (/MSIE\s8\.0/).test(navigator.userAgent);
  var baseObj = {};

  if (isIE8) {
    cue = document.createElement('custom');
  } else {
    baseObj.enumerable = true;
  }

  /**
   * Shim implementation specific properties. These properties are not in
   * the spec.
   */

  // Lets us know when the VTTCue's data has changed in such a way that we need
  // to recompute its display state. This lets us compute its display state
  // lazily.
  cue.hasBeenReset = false;

  /**
   * VTTCue and TextTrackCue properties
   * http://dev.w3.org/html5/webvtt/#vttcue-interface
   */

  var _id = "";
  var _pauseOnExit = false;
  var _startTime = startTime;
  var _endTime = endTime;
  var _text = text;
  var _region = null;
  var _vertical = "";
  var _snapToLines = true;
  var _line = "auto";
  var _lineAlign = "start";
  var _position = 50;
  var _positionAlign = "middle";
  var _size = 50;
  var _align = "middle";

  Object.defineProperty(cue,
    "id", extend({}, baseObj, {
      get: function() {
        return _id;
      },
      set: function(value) {
        _id = "" + value;
      }
    }));

  Object.defineProperty(cue,
    "pauseOnExit", extend({}, baseObj, {
      get: function() {
        return _pauseOnExit;
      },
      set: function(value) {
        _pauseOnExit = !!value;
      }
    }));

  Object.defineProperty(cue,
    "startTime", extend({}, baseObj, {
      get: function() {
        return _startTime;
      },
      set: function(value) {
        if (typeof value !== "number") {
          throw new TypeError("Start time must be set to a number.");
        }
        _startTime = value;
        this.hasBeenReset = true;
      }
    }));

  Object.defineProperty(cue,
    "endTime", extend({}, baseObj, {
      get: function() {
        return _endTime;
      },
      set: function(value) {
        if (typeof value !== "number") {
          throw new TypeError("End time must be set to a number.");
        }
        _endTime = value;
        this.hasBeenReset = true;
      }
    }));

  Object.defineProperty(cue,
    "text", extend({}, baseObj, {
      get: function() {
        return _text;
      },
      set: function(value) {
        _text = "" + value;
        this.hasBeenReset = true;
      }
    }));

  Object.defineProperty(cue,
    "region", extend({}, baseObj, {
      get: function() {
        return _region;
      },
      set: function(value) {
        _region = value;
        this.hasBeenReset = true;
      }
    }));

  Object.defineProperty(cue,
    "vertical", extend({}, baseObj, {
      get: function() {
        return _vertical;
      },
      set: function(value) {
        var setting = findDirectionSetting(value);
        // Have to check for false because the setting an be an empty string.
        if (setting === false) {
          throw new SyntaxError("An invalid or illegal string was specified.");
        }
        _vertical = setting;
        this.hasBeenReset = true;
      }
    }));

  Object.defineProperty(cue,
    "snapToLines", extend({}, baseObj, {
      get: function() {
        return _snapToLines;
      },
      set: function(value) {
        _snapToLines = !!value;
        this.hasBeenReset = true;
      }
    }));

  Object.defineProperty(cue,
    "line", extend({}, baseObj, {
      get: function() {
        return _line;
      },
      set: function(value) {
        if (typeof value !== "number" && value !== autoKeyword) {
          throw new SyntaxError("An invalid number or illegal string was specified.");
        }
        _line = value;
        this.hasBeenReset = true;
      }
    }));

  Object.defineProperty(cue,
    "lineAlign", extend({}, baseObj, {
      get: function() {
        return _lineAlign;
      },
      set: function(value) {
        var setting = findAlignSetting(value);
        if (!setting) {
          throw new SyntaxError("An invalid or illegal string was specified.");
        }
        _lineAlign = setting;
        this.hasBeenReset = true;
      }
    }));

  Object.defineProperty(cue,
    "position", extend({}, baseObj, {
      get: function() {
        return _position;
      },
      set: function(value) {
        if (value < 0 || value > 100) {
          throw new Error("Position must be between 0 and 100.");
        }
        _position = value;
        this.hasBeenReset = true;
      }
    }));

  Object.defineProperty(cue,
    "positionAlign", extend({}, baseObj, {
      get: function() {
        return _positionAlign;
      },
      set: function(value) {
        var setting = findAlignSetting(value);
        if (!setting) {
          throw new SyntaxError("An invalid or illegal string was specified.");
        }
        _positionAlign = setting;
        this.hasBeenReset = true;
      }
    }));

  Object.defineProperty(cue,
    "size", extend({}, baseObj, {
      get: function() {
        return _size;
      },
      set: function(value) {
        if (value < 0 || value > 100) {
          throw new Error("Size must be between 0 and 100.");
        }
        _size = value;
        this.hasBeenReset = true;
      }
    }));

  Object.defineProperty(cue,
    "align", extend({}, baseObj, {
      get: function() {
        return _align;
      },
      set: function(value) {
        var setting = findAlignSetting(value);
        if (!setting) {
          throw new SyntaxError("An invalid or illegal string was specified.");
        }
        _align = setting;
        this.hasBeenReset = true;
      }
    }));

  /**
   * Other <track> spec defined properties
   */

  // http://www.whatwg.org/specs/web-apps/current-work/multipage/the-video-element.html#text-track-cue-display-state
  cue.displayState = undefined;

  if (isIE8) {
    return cue;
  }
}

/**
 * VTTCue methods
 */

VTTCue.prototype.getCueAsHTML = function() {
  // Assume WebVTT.convertCueToDOMTree is on the global.
  return WebVTT.convertCueToDOMTree(window, this.text);
};

module.exports = VTTCue;


/***/ }),

/***/ "b041":
/***/ (function(module, exports, __webpack_require__) {

"use strict";

var TO_STRING_TAG_SUPPORT = __webpack_require__("00ee");
var classof = __webpack_require__("f5df");

// `Object.prototype.toString` method implementation
// https://tc39.github.io/ecma262/#sec-object.prototype.tostring
module.exports = TO_STRING_TAG_SUPPORT ? {}.toString : function toString() {
  return '[object ' + classof(this) + ']';
};


/***/ }),

/***/ "b0c0":
/***/ (function(module, exports, __webpack_require__) {

var DESCRIPTORS = __webpack_require__("83ab");
var defineProperty = __webpack_require__("9bf2").f;

var FunctionPrototype = Function.prototype;
var FunctionPrototypeToString = FunctionPrototype.toString;
var nameRE = /^\s*function ([^ (]*)/;
var NAME = 'name';

// Function instances `.name` property
// https://tc39.github.io/ecma262/#sec-function-instances-name
if (DESCRIPTORS && !(NAME in FunctionPrototype)) {
  defineProperty(FunctionPrototype, NAME, {
    configurable: true,
    get: function () {
      try {
        return FunctionPrototypeToString.call(this).match(nameRE)[1];
      } catch (error) {
        return '';
      }
    }
  });
}


/***/ }),

/***/ "b25a":
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
/* harmony import */ var _node_modules_mini_css_extract_plugin_dist_loader_js_ref_8_oneOf_1_0_node_modules_css_loader_dist_cjs_js_ref_8_oneOf_1_1_node_modules_vue_loader_lib_loaders_stylePostLoader_js_node_modules_postcss_loader_src_index_js_ref_8_oneOf_1_2_node_modules_sass_loader_dist_cjs_js_ref_8_oneOf_1_3_node_modules_cache_loader_dist_cjs_js_ref_0_0_node_modules_vue_loader_lib_index_js_vue_loader_options_video_player_vue_vue_type_style_index_0_lang_scss___WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__("4105");
/* harmony import */ var _node_modules_mini_css_extract_plugin_dist_loader_js_ref_8_oneOf_1_0_node_modules_css_loader_dist_cjs_js_ref_8_oneOf_1_1_node_modules_vue_loader_lib_loaders_stylePostLoader_js_node_modules_postcss_loader_src_index_js_ref_8_oneOf_1_2_node_modules_sass_loader_dist_cjs_js_ref_8_oneOf_1_3_node_modules_cache_loader_dist_cjs_js_ref_0_0_node_modules_vue_loader_lib_index_js_vue_loader_options_video_player_vue_vue_type_style_index_0_lang_scss___WEBPACK_IMPORTED_MODULE_0___default = /*#__PURE__*/__webpack_require__.n(_node_modules_mini_css_extract_plugin_dist_loader_js_ref_8_oneOf_1_0_node_modules_css_loader_dist_cjs_js_ref_8_oneOf_1_1_node_modules_vue_loader_lib_loaders_stylePostLoader_js_node_modules_postcss_loader_src_index_js_ref_8_oneOf_1_2_node_modules_sass_loader_dist_cjs_js_ref_8_oneOf_1_3_node_modules_cache_loader_dist_cjs_js_ref_0_0_node_modules_vue_loader_lib_index_js_vue_loader_options_video_player_vue_vue_type_style_index_0_lang_scss___WEBPACK_IMPORTED_MODULE_0__);
/* unused harmony reexport * */
 /* unused harmony default export */ var _unused_webpack_default_export = (_node_modules_mini_css_extract_plugin_dist_loader_js_ref_8_oneOf_1_0_node_modules_css_loader_dist_cjs_js_ref_8_oneOf_1_1_node_modules_vue_loader_lib_loaders_stylePostLoader_js_node_modules_postcss_loader_src_index_js_ref_8_oneOf_1_2_node_modules_sass_loader_dist_cjs_js_ref_8_oneOf_1_3_node_modules_cache_loader_dist_cjs_js_ref_0_0_node_modules_vue_loader_lib_index_js_vue_loader_options_video_player_vue_vue_type_style_index_0_lang_scss___WEBPACK_IMPORTED_MODULE_0___default.a); 

/***/ }),

/***/ "b4e9":
/***/ (function(module, exports) {

module.exports = "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAEIAAABCCAYAAADjVADoAAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAA+tpVFh0WE1MOmNvbS5hZG9iZS54bXAAAAAAADw/eHBhY2tldCBiZWdpbj0i77u/IiBpZD0iVzVNME1wQ2VoaUh6cmVTek5UY3prYzlkIj8+IDx4OnhtcG1ldGEgeG1sbnM6eD0iYWRvYmU6bnM6bWV0YS8iIHg6eG1wdGs9IkFkb2JlIFhNUCBDb3JlIDUuNi1jMTM4IDc5LjE1OTgyNCwgMjAxNi8wOS8xNC0wMTowOTowMSAgICAgICAgIj4gPHJkZjpSREYgeG1sbnM6cmRmPSJodHRwOi8vd3d3LnczLm9yZy8xOTk5LzAyLzIyLXJkZi1zeW50YXgtbnMjIj4gPHJkZjpEZXNjcmlwdGlvbiByZGY6YWJvdXQ9IiIgeG1sbnM6eG1wPSJodHRwOi8vbnMuYWRvYmUuY29tL3hhcC8xLjAvIiB4bWxuczpkYz0iaHR0cDovL3B1cmwub3JnL2RjL2VsZW1lbnRzLzEuMS8iIHhtbG5zOnhtcE1NPSJodHRwOi8vbnMuYWRvYmUuY29tL3hhcC8xLjAvbW0vIiB4bWxuczpzdFJlZj0iaHR0cDovL25zLmFkb2JlLmNvbS94YXAvMS4wL3NUeXBlL1Jlc291cmNlUmVmIyIgeG1wOkNyZWF0b3JUb29sPSJBZG9iZSBQaG90b3Nob3AgQ0MgMjAxNyAoV2luZG93cykiIHhtcDpDcmVhdGVEYXRlPSIyMDE5LTEwLTI0VDEzOjE4OjI2KzA4OjAwIiB4bXA6TW9kaWZ5RGF0ZT0iMjAxOS0xMC0yNFQxMzoyMzozOCswODowMCIgeG1wOk1ldGFkYXRhRGF0ZT0iMjAxOS0xMC0yNFQxMzoyMzozOCswODowMCIgZGM6Zm9ybWF0PSJpbWFnZS9wbmciIHhtcE1NOkluc3RhbmNlSUQ9InhtcC5paWQ6NkYwNkFDOEJGNjFFMTFFOUFBRDdDQUQ3RjI3NUE5RjQiIHhtcE1NOkRvY3VtZW50SUQ9InhtcC5kaWQ6NkYwNkFDOENGNjFFMTFFOUFBRDdDQUQ3RjI3NUE5RjQiPiA8eG1wTU06RGVyaXZlZEZyb20gc3RSZWY6aW5zdGFuY2VJRD0ieG1wLmlpZDo2RjA2QUM4OUY2MUUxMUU5QUFEN0NBRDdGMjc1QTlGNCIgc3RSZWY6ZG9jdW1lbnRJRD0ieG1wLmRpZDo2RjA2QUM4QUY2MUUxMUU5QUFEN0NBRDdGMjc1QTlGNCIvPiA8L3JkZjpEZXNjcmlwdGlvbj4gPC9yZGY6UkRGPiA8L3g6eG1wbWV0YT4gPD94cGFja2V0IGVuZD0iciI/Pv6TpEIAAAP6SURBVHja7Jx7SFNRHMd/dy+3qZtz+ZyWz6aW6RRrpr1NheypRWWhqRn2MNO/KgrCwIjKsieEhVYa2R9B/RH+E0HZHxVUoCD4qiikskxT51LXObcm2HSbTrd7t/Mdh+3ee87l7rPf/Z7f71wYpdPpgAiAQxAQEGPEM9UhvyFVgN7KUduFmsgWFxniGqH1EvkdyQ4tOWvJeYzZgDkRcRq1vbaCgMXl8ARhbqoz1S3lJ2x5a+QxInQpHoRJVcerW86ftBUIZ8YYGsVBMKKPzgQM1pmlHsatlgvlDj9r0DDcootut1Zccfjpk0IvpTSqYLpgsDqP0MO403qx0uETqn8wcmpaL9WSzBJprnTBVktg2FWKjWHUtl2pI7UGUqhkfsbdtquPSdGFaxPJvJTJwrDb6pOG0X6t3q5ADA5rplq1rq7ruP7CbkB86u+AvqGeKY0NdFGqzYHBChC/R7Tw6GMNdA58nDEYlKk1y/yGVEYtauI6g0cJpjT2kvoBNWGZzzYTHNGNgFanmX7AQERAsO7WCJVEQrJvOvA5fHj+pR5efnvqeCC8Rf5QPK8MuNTfS41wi0WzyG94873BsW6NKHf1KAS9YuWJjucRPwa/Guzr1naxGwReRCkML4VzcffAS6Qwa8zrrmfQ2P1qdPtz/3uo/3yf3R6xzHsNzJfF0Z8zgw5AeeNh0IHxfG1YNwQVTcfA3zkYmaUA2n81o1ximL0R4SaQw6Y5uaPbYdJoiPdMMmsshvWhrwVae5tmBIJVQWwL2gdC7tinhpsDdoMrX+o4CVW0ezyo3Bcb7HfmSRCMfMcAIeSK6WiYSGqPVRAuVdk/iA2zs0AmmGW0z47gQtoIJ644uXTVyVoQgS5KWOGzzmQ/D6EPpPlljntMwpdBWWwVlKoqQcR1Zh8I/CvuDCmicwdzlKLIAIU4wGD/9qD9dERhWNhcWQcCF0l+4sDJgQs+OAZcrHwJxMgTRrcTvVLpWoM1IPCvt9Z/x6THBbmGw1KUdOlnFJx0/a+dyE+cuCJ2gMBfwJj5GVP6nByQCtzRTFMALnyJwXG5kxfqk8t8EIs8VqLwjbFoui2OOAULZ62YsM9y7zT8RIu5IHA4bwnYY/F5fMSzTfbJCikGAceJmSAyAvKsljJ7Cn1hPcpRGAdCKY2CBM9kq2aDSb4bkcGGMQcENkbs5tYWnmqzQ0qAx+EzA0SkLA6FqgJsIbymGSVTM2NhpvnnO3jS+RCEHKHVQWiGB6C55y0zQPQN9UJt22Vgs8gDHgKCgCAgCAgCgoAgIAgIAoKAICBsBUJjJ99VYymIKjsBccPSMhwvPWlRw2voYhYCGEDtJmqHjHWiyN8mELMkIMbTHwEGAJcb5PpkoIojAAAAAElFTkSuQmCC"

/***/ }),

/***/ "b622":
/***/ (function(module, exports, __webpack_require__) {

var global = __webpack_require__("da84");
var shared = __webpack_require__("5692");
var has = __webpack_require__("5135");
var uid = __webpack_require__("90e3");
var NATIVE_SYMBOL = __webpack_require__("4930");
var USE_SYMBOL_AS_UID = __webpack_require__("fdbf");

var WellKnownSymbolsStore = shared('wks');
var Symbol = global.Symbol;
var createWellKnownSymbol = USE_SYMBOL_AS_UID ? Symbol : Symbol && Symbol.withoutSetter || uid;

module.exports = function (name) {
  if (!has(WellKnownSymbolsStore, name)) {
    if (NATIVE_SYMBOL && has(Symbol, name)) WellKnownSymbolsStore[name] = Symbol[name];
    else WellKnownSymbolsStore[name] = createWellKnownSymbol('Symbol.' + name);
  } return WellKnownSymbolsStore[name];
};


/***/ }),

/***/ "b64b":
/***/ (function(module, exports, __webpack_require__) {

var $ = __webpack_require__("23e7");
var toObject = __webpack_require__("7b0b");
var nativeKeys = __webpack_require__("df75");
var fails = __webpack_require__("d039");

var FAILS_ON_PRIMITIVES = fails(function () { nativeKeys(1); });

// `Object.keys` method
// https://tc39.github.io/ecma262/#sec-object.keys
$({ target: 'Object', stat: true, forced: FAILS_ON_PRIMITIVES }, {
  keys: function keys(it) {
    return nativeKeys(toObject(it));
  }
});


/***/ }),

/***/ "b727":
/***/ (function(module, exports, __webpack_require__) {

var bind = __webpack_require__("0366");
var IndexedObject = __webpack_require__("44ad");
var toObject = __webpack_require__("7b0b");
var toLength = __webpack_require__("50c4");
var arraySpeciesCreate = __webpack_require__("65f0");

var push = [].push;

// `Array.prototype.{ forEach, map, filter, some, every, find, findIndex }` methods implementation
var createMethod = function (TYPE) {
  var IS_MAP = TYPE == 1;
  var IS_FILTER = TYPE == 2;
  var IS_SOME = TYPE == 3;
  var IS_EVERY = TYPE == 4;
  var IS_FIND_INDEX = TYPE == 6;
  var NO_HOLES = TYPE == 5 || IS_FIND_INDEX;
  return function ($this, callbackfn, that, specificCreate) {
    var O = toObject($this);
    var self = IndexedObject(O);
    var boundFunction = bind(callbackfn, that, 3);
    var length = toLength(self.length);
    var index = 0;
    var create = specificCreate || arraySpeciesCreate;
    var target = IS_MAP ? create($this, length) : IS_FILTER ? create($this, 0) : undefined;
    var value, result;
    for (;length > index; index++) if (NO_HOLES || index in self) {
      value = self[index];
      result = boundFunction(value, index, O);
      if (TYPE) {
        if (IS_MAP) target[index] = result; // map
        else if (result) switch (TYPE) {
          case 3: return true;              // some
          case 5: return value;             // find
          case 6: return index;             // findIndex
          case 2: push.call(target, value); // filter
        } else if (IS_EVERY) return false;  // every
      }
    }
    return IS_FIND_INDEX ? -1 : IS_SOME || IS_EVERY ? IS_EVERY : target;
  };
};

module.exports = {
  // `Array.prototype.forEach` method
  // https://tc39.github.io/ecma262/#sec-array.prototype.foreach
  forEach: createMethod(0),
  // `Array.prototype.map` method
  // https://tc39.github.io/ecma262/#sec-array.prototype.map
  map: createMethod(1),
  // `Array.prototype.filter` method
  // https://tc39.github.io/ecma262/#sec-array.prototype.filter
  filter: createMethod(2),
  // `Array.prototype.some` method
  // https://tc39.github.io/ecma262/#sec-array.prototype.some
  some: createMethod(3),
  // `Array.prototype.every` method
  // https://tc39.github.io/ecma262/#sec-array.prototype.every
  every: createMethod(4),
  // `Array.prototype.find` method
  // https://tc39.github.io/ecma262/#sec-array.prototype.find
  find: createMethod(5),
  // `Array.prototype.findIndex` method
  // https://tc39.github.io/ecma262/#sec-array.prototype.findIndex
  findIndex: createMethod(6)
};


/***/ }),

/***/ "be09":
/***/ (function(module, exports, __webpack_require__) {

/* WEBPACK VAR INJECTION */(function(global) {var win;

if (typeof window !== "undefined") {
    win = window;
} else if (typeof global !== "undefined") {
    win = global;
} else if (typeof self !== "undefined"){
    win = self;
} else {
    win = {};
}

module.exports = win;

/* WEBPACK VAR INJECTION */}.call(this, __webpack_require__("c8ba")))

/***/ }),

/***/ "c04e":
/***/ (function(module, exports, __webpack_require__) {

var isObject = __webpack_require__("861d");

// `ToPrimitive` abstract operation
// https://tc39.github.io/ecma262/#sec-toprimitive
// instead of the ES6 spec version, we didn't implement @@toPrimitive case
// and the second argument - flag - preferred type is a string
module.exports = function (input, PREFERRED_STRING) {
  if (!isObject(input)) return input;
  var fn, val;
  if (PREFERRED_STRING && typeof (fn = input.toString) == 'function' && !isObject(val = fn.call(input))) return val;
  if (typeof (fn = input.valueOf) == 'function' && !isObject(val = fn.call(input))) return val;
  if (!PREFERRED_STRING && typeof (fn = input.toString) == 'function' && !isObject(val = fn.call(input))) return val;
  throw TypeError("Can't convert object to primitive value");
};


/***/ }),

/***/ "c430":
/***/ (function(module, exports) {

module.exports = false;


/***/ }),

/***/ "c58d":
/***/ (function(module, exports, __webpack_require__) {

// extracted by mini-css-extract-plugin

/***/ }),

/***/ "c6b6":
/***/ (function(module, exports) {

var toString = {}.toString;

module.exports = function (it) {
  return toString.call(it).slice(8, -1);
};


/***/ }),

/***/ "c6cd":
/***/ (function(module, exports, __webpack_require__) {

var global = __webpack_require__("da84");
var setGlobal = __webpack_require__("ce4e");

var SHARED = '__core-js_shared__';
var store = global[SHARED] || setGlobal(SHARED, {});

module.exports = store;


/***/ }),

/***/ "c740":
/***/ (function(module, exports, __webpack_require__) {

"use strict";

var $ = __webpack_require__("23e7");
var $findIndex = __webpack_require__("b727").findIndex;
var addToUnscopables = __webpack_require__("44d2");
var arrayMethodUsesToLength = __webpack_require__("ae40");

var FIND_INDEX = 'findIndex';
var SKIPS_HOLES = true;

var USES_TO_LENGTH = arrayMethodUsesToLength(FIND_INDEX);

// Shouldn't skip holes
if (FIND_INDEX in []) Array(1)[FIND_INDEX](function () { SKIPS_HOLES = false; });

// `Array.prototype.findIndex` method
// https://tc39.github.io/ecma262/#sec-array.prototype.findindex
$({ target: 'Array', proto: true, forced: SKIPS_HOLES || !USES_TO_LENGTH }, {
  findIndex: function findIndex(callbackfn /* , that = undefined */) {
    return $findIndex(this, callbackfn, arguments.length > 1 ? arguments[1] : undefined);
  }
});

// https://tc39.github.io/ecma262/#sec-array.prototype-@@unscopables
addToUnscopables(FIND_INDEX);


/***/ }),

/***/ "c836":
/***/ (function(module, exports) {

module.exports = "data:image/png;base64,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"

/***/ }),

/***/ "c8ba":
/***/ (function(module, exports) {

var g;

// This works in non-strict mode
g = (function() {
	return this;
})();

try {
	// This works if eval is allowed (see CSP)
	g = g || new Function("return this")();
} catch (e) {
	// This works if the window reference is available
	if (typeof window === "object") g = window;
}

// g can still be undefined, but nothing to do about it...
// We return undefined, instead of nothing here, so it's
// easier to handle this case. if(!global) { ...}

module.exports = g;


/***/ }),

/***/ "c975":
/***/ (function(module, exports, __webpack_require__) {

"use strict";

var $ = __webpack_require__("23e7");
var $indexOf = __webpack_require__("4d64").indexOf;
var arrayMethodIsStrict = __webpack_require__("a640");
var arrayMethodUsesToLength = __webpack_require__("ae40");

var nativeIndexOf = [].indexOf;

var NEGATIVE_ZERO = !!nativeIndexOf && 1 / [1].indexOf(1, -0) < 0;
var STRICT_METHOD = arrayMethodIsStrict('indexOf');
var USES_TO_LENGTH = arrayMethodUsesToLength('indexOf', { ACCESSORS: true, 1: 0 });

// `Array.prototype.indexOf` method
// https://tc39.github.io/ecma262/#sec-array.prototype.indexof
$({ target: 'Array', proto: true, forced: NEGATIVE_ZERO || !STRICT_METHOD || !USES_TO_LENGTH }, {
  indexOf: function indexOf(searchElement /* , fromIndex = 0 */) {
    return NEGATIVE_ZERO
      // convert -0 to +0
      ? nativeIndexOf.apply(this, arguments) || 0
      : $indexOf(this, searchElement, arguments.length > 1 ? arguments[1] : undefined);
  }
});


/***/ }),

/***/ "ca84":
/***/ (function(module, exports, __webpack_require__) {

var has = __webpack_require__("5135");
var toIndexedObject = __webpack_require__("fc6a");
var indexOf = __webpack_require__("4d64").indexOf;
var hiddenKeys = __webpack_require__("d012");

module.exports = function (object, names) {
  var O = toIndexedObject(object);
  var i = 0;
  var result = [];
  var key;
  for (key in O) !has(hiddenKeys, key) && has(O, key) && result.push(key);
  // Don't enum bug & hidden keys
  while (names.length > i) if (has(O, key = names[i++])) {
    ~indexOf(result, key) || result.push(key);
  }
  return result;
};


/***/ }),

/***/ "caad":
/***/ (function(module, exports, __webpack_require__) {

"use strict";

var $ = __webpack_require__("23e7");
var $includes = __webpack_require__("4d64").includes;
var addToUnscopables = __webpack_require__("44d2");
var arrayMethodUsesToLength = __webpack_require__("ae40");

var USES_TO_LENGTH = arrayMethodUsesToLength('indexOf', { ACCESSORS: true, 1: 0 });

// `Array.prototype.includes` method
// https://tc39.github.io/ecma262/#sec-array.prototype.includes
$({ target: 'Array', proto: true, forced: !USES_TO_LENGTH }, {
  includes: function includes(el /* , fromIndex = 0 */) {
    return $includes(this, el, arguments.length > 1 ? arguments[1] : undefined);
  }
});

// https://tc39.github.io/ecma262/#sec-array.prototype-@@unscopables
addToUnscopables('includes');


/***/ }),

/***/ "cc12":
/***/ (function(module, exports, __webpack_require__) {

var global = __webpack_require__("da84");
var isObject = __webpack_require__("861d");

var document = global.document;
// typeof document.createElement is 'object' in old IE
var EXISTS = isObject(document) && isObject(document.createElement);

module.exports = function (it) {
  return EXISTS ? document.createElement(it) : {};
};


/***/ }),

/***/ "cc57":
/***/ (function(module, exports, __webpack_require__) {

/* WEBPACK VAR INJECTION */(function(global) {var topLevel = typeof global !== 'undefined' ? global :
    typeof window !== 'undefined' ? window : {}
var minDoc = __webpack_require__(0);

var doccy;

if (typeof document !== 'undefined') {
    doccy = document;
} else {
    doccy = topLevel['__GLOBAL_DOCUMENT_CACHE@4'];

    if (!doccy) {
        doccy = topLevel['__GLOBAL_DOCUMENT_CACHE@4'] = minDoc;
    }
}

module.exports = doccy;

/* WEBPACK VAR INJECTION */}.call(this, __webpack_require__("c8ba")))

/***/ }),

/***/ "cc61":
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
/* harmony import */ var _node_modules_mini_css_extract_plugin_dist_loader_js_ref_8_oneOf_1_0_node_modules_css_loader_dist_cjs_js_ref_8_oneOf_1_1_node_modules_vue_loader_lib_loaders_stylePostLoader_js_node_modules_postcss_loader_src_index_js_ref_8_oneOf_1_2_node_modules_sass_loader_dist_cjs_js_ref_8_oneOf_1_3_node_modules_cache_loader_dist_cjs_js_ref_0_0_node_modules_vue_loader_lib_index_js_vue_loader_options_pdf_online_vue_vue_type_style_index_0_lang_scss___WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__("c58d");
/* harmony import */ var _node_modules_mini_css_extract_plugin_dist_loader_js_ref_8_oneOf_1_0_node_modules_css_loader_dist_cjs_js_ref_8_oneOf_1_1_node_modules_vue_loader_lib_loaders_stylePostLoader_js_node_modules_postcss_loader_src_index_js_ref_8_oneOf_1_2_node_modules_sass_loader_dist_cjs_js_ref_8_oneOf_1_3_node_modules_cache_loader_dist_cjs_js_ref_0_0_node_modules_vue_loader_lib_index_js_vue_loader_options_pdf_online_vue_vue_type_style_index_0_lang_scss___WEBPACK_IMPORTED_MODULE_0___default = /*#__PURE__*/__webpack_require__.n(_node_modules_mini_css_extract_plugin_dist_loader_js_ref_8_oneOf_1_0_node_modules_css_loader_dist_cjs_js_ref_8_oneOf_1_1_node_modules_vue_loader_lib_loaders_stylePostLoader_js_node_modules_postcss_loader_src_index_js_ref_8_oneOf_1_2_node_modules_sass_loader_dist_cjs_js_ref_8_oneOf_1_3_node_modules_cache_loader_dist_cjs_js_ref_0_0_node_modules_vue_loader_lib_index_js_vue_loader_options_pdf_online_vue_vue_type_style_index_0_lang_scss___WEBPACK_IMPORTED_MODULE_0__);
/* unused harmony reexport * */
 /* unused harmony default export */ var _unused_webpack_default_export = (_node_modules_mini_css_extract_plugin_dist_loader_js_ref_8_oneOf_1_0_node_modules_css_loader_dist_cjs_js_ref_8_oneOf_1_1_node_modules_vue_loader_lib_loaders_stylePostLoader_js_node_modules_postcss_loader_src_index_js_ref_8_oneOf_1_2_node_modules_sass_loader_dist_cjs_js_ref_8_oneOf_1_3_node_modules_cache_loader_dist_cjs_js_ref_0_0_node_modules_vue_loader_lib_index_js_vue_loader_options_pdf_online_vue_vue_type_style_index_0_lang_scss___WEBPACK_IMPORTED_MODULE_0___default.a); 

/***/ }),

/***/ "cdfc":
/***/ (function(module, exports) {

module.exports = "data:image/png;base64,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"

/***/ }),

/***/ "ce4e":
/***/ (function(module, exports, __webpack_require__) {

var global = __webpack_require__("da84");
var createNonEnumerableProperty = __webpack_require__("9112");

module.exports = function (key, value) {
  try {
    createNonEnumerableProperty(global, key, value);
  } catch (error) {
    global[key] = value;
  } return value;
};


/***/ }),

/***/ "d012":
/***/ (function(module, exports) {

module.exports = {};


/***/ }),

/***/ "d02c":
/***/ (function(module, exports) {

/**
 * Copyright 2013 vtt.js Contributors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
var _objCreate = Object.create || (function() {
  function F() {}
  return function(o) {
    if (arguments.length !== 1) {
      throw new Error('Object.create shim only accepts one parameter.');
    }
    F.prototype = o;
    return new F();
  };
})();

// Creates a new ParserError object from an errorData object. The errorData
// object should have default code and message properties. The default message
// property can be overriden by passing in a message parameter.
// See ParsingError.Errors below for acceptable errors.
function ParsingError(errorData, message) {
  this.name = "ParsingError";
  this.code = errorData.code;
  this.message = message || errorData.message;
}
ParsingError.prototype = _objCreate(Error.prototype);
ParsingError.prototype.constructor = ParsingError;

// ParsingError metadata for acceptable ParsingErrors.
ParsingError.Errors = {
  BadSignature: {
    code: 0,
    message: "Malformed WebVTT signature."
  },
  BadTimeStamp: {
    code: 1,
    message: "Malformed time stamp."
  }
};

// Try to parse input as a time stamp.
function parseTimeStamp(input) {

  function computeSeconds(h, m, s, f) {
    return (h | 0) * 3600 + (m | 0) * 60 + (s | 0) + (f | 0) / 1000;
  }

  var m = input.match(/^(\d+):(\d{2})(:\d{2})?\.(\d{3})/);
  if (!m) {
    return null;
  }

  if (m[3]) {
    // Timestamp takes the form of [hours]:[minutes]:[seconds].[milliseconds]
    return computeSeconds(m[1], m[2], m[3].replace(":", ""), m[4]);
  } else if (m[1] > 59) {
    // Timestamp takes the form of [hours]:[minutes].[milliseconds]
    // First position is hours as it's over 59.
    return computeSeconds(m[1], m[2], 0,  m[4]);
  } else {
    // Timestamp takes the form of [minutes]:[seconds].[milliseconds]
    return computeSeconds(0, m[1], m[2], m[4]);
  }
}

// A settings object holds key/value pairs and will ignore anything but the first
// assignment to a specific key.
function Settings() {
  this.values = _objCreate(null);
}

Settings.prototype = {
  // Only accept the first assignment to any key.
  set: function(k, v) {
    if (!this.get(k) && v !== "") {
      this.values[k] = v;
    }
  },
  // Return the value for a key, or a default value.
  // If 'defaultKey' is passed then 'dflt' is assumed to be an object with
  // a number of possible default values as properties where 'defaultKey' is
  // the key of the property that will be chosen; otherwise it's assumed to be
  // a single value.
  get: function(k, dflt, defaultKey) {
    if (defaultKey) {
      return this.has(k) ? this.values[k] : dflt[defaultKey];
    }
    return this.has(k) ? this.values[k] : dflt;
  },
  // Check whether we have a value for a key.
  has: function(k) {
    return k in this.values;
  },
  // Accept a setting if its one of the given alternatives.
  alt: function(k, v, a) {
    for (var n = 0; n < a.length; ++n) {
      if (v === a[n]) {
        this.set(k, v);
        break;
      }
    }
  },
  // Accept a setting if its a valid (signed) integer.
  integer: function(k, v) {
    if (/^-?\d+$/.test(v)) { // integer
      this.set(k, parseInt(v, 10));
    }
  },
  // Accept a setting if its a valid percentage.
  percent: function(k, v) {
    var m;
    if ((m = v.match(/^([\d]{1,3})(\.[\d]*)?%$/))) {
      v = parseFloat(v);
      if (v >= 0 && v <= 100) {
        this.set(k, v);
        return true;
      }
    }
    return false;
  }
};

// Helper function to parse input into groups separated by 'groupDelim', and
// interprete each group as a key/value pair separated by 'keyValueDelim'.
function parseOptions(input, callback, keyValueDelim, groupDelim) {
  var groups = groupDelim ? input.split(groupDelim) : [input];
  for (var i in groups) {
    if (typeof groups[i] !== "string") {
      continue;
    }
    var kv = groups[i].split(keyValueDelim);
    if (kv.length !== 2) {
      continue;
    }
    var k = kv[0];
    var v = kv[1];
    callback(k, v);
  }
}

function parseCue(input, cue, regionList) {
  // Remember the original input if we need to throw an error.
  var oInput = input;
  // 4.1 WebVTT timestamp
  function consumeTimeStamp() {
    var ts = parseTimeStamp(input);
    if (ts === null) {
      throw new ParsingError(ParsingError.Errors.BadTimeStamp,
                            "Malformed timestamp: " + oInput);
    }
    // Remove time stamp from input.
    input = input.replace(/^[^\sa-zA-Z-]+/, "");
    return ts;
  }

  // 4.4.2 WebVTT cue settings
  function consumeCueSettings(input, cue) {
    var settings = new Settings();

    parseOptions(input, function (k, v) {
      switch (k) {
      case "region":
        // Find the last region we parsed with the same region id.
        for (var i = regionList.length - 1; i >= 0; i--) {
          if (regionList[i].id === v) {
            settings.set(k, regionList[i].region);
            break;
          }
        }
        break;
      case "vertical":
        settings.alt(k, v, ["rl", "lr"]);
        break;
      case "line":
        var vals = v.split(","),
            vals0 = vals[0];
        settings.integer(k, vals0);
        settings.percent(k, vals0) ? settings.set("snapToLines", false) : null;
        settings.alt(k, vals0, ["auto"]);
        if (vals.length === 2) {
          settings.alt("lineAlign", vals[1], ["start", "middle", "end"]);
        }
        break;
      case "position":
        vals = v.split(",");
        settings.percent(k, vals[0]);
        if (vals.length === 2) {
          settings.alt("positionAlign", vals[1], ["start", "middle", "end"]);
        }
        break;
      case "size":
        settings.percent(k, v);
        break;
      case "align":
        settings.alt(k, v, ["start", "middle", "end", "left", "right"]);
        break;
      }
    }, /:/, /\s/);

    // Apply default values for any missing fields.
    cue.region = settings.get("region", null);
    cue.vertical = settings.get("vertical", "");
    cue.line = settings.get("line", "auto");
    cue.lineAlign = settings.get("lineAlign", "start");
    cue.snapToLines = settings.get("snapToLines", true);
    cue.size = settings.get("size", 100);
    cue.align = settings.get("align", "middle");
    cue.position = settings.get("position", {
      start: 0,
      left: 0,
      middle: 50,
      end: 100,
      right: 100
    }, cue.align);
    cue.positionAlign = settings.get("positionAlign", {
      start: "start",
      left: "start",
      middle: "middle",
      end: "end",
      right: "end"
    }, cue.align);
  }

  function skipWhitespace() {
    input = input.replace(/^\s+/, "");
  }

  // 4.1 WebVTT cue timings.
  skipWhitespace();
  cue.startTime = consumeTimeStamp();   // (1) collect cue start time
  skipWhitespace();
  if (input.substr(0, 3) !== "-->") {     // (3) next characters must match "-->"
    throw new ParsingError(ParsingError.Errors.BadTimeStamp,
                           "Malformed time stamp (time stamps must be separated by '-->'): " +
                           oInput);
  }
  input = input.substr(3);
  skipWhitespace();
  cue.endTime = consumeTimeStamp();     // (5) collect cue end time

  // 4.1 WebVTT cue settings list.
  skipWhitespace();
  consumeCueSettings(input, cue);
}

var ESCAPE = {
  "&amp;": "&",
  "&lt;": "<",
  "&gt;": ">",
  "&lrm;": "\u200e",
  "&rlm;": "\u200f",
  "&nbsp;": "\u00a0"
};

var TAG_NAME = {
  c: "span",
  i: "i",
  b: "b",
  u: "u",
  ruby: "ruby",
  rt: "rt",
  v: "span",
  lang: "span"
};

var TAG_ANNOTATION = {
  v: "title",
  lang: "lang"
};

var NEEDS_PARENT = {
  rt: "ruby"
};

// Parse content into a document fragment.
function parseContent(window, input) {
  function nextToken() {
    // Check for end-of-string.
    if (!input) {
      return null;
    }

    // Consume 'n' characters from the input.
    function consume(result) {
      input = input.substr(result.length);
      return result;
    }

    var m = input.match(/^([^<]*)(<[^>]*>?)?/);
    // If there is some text before the next tag, return it, otherwise return
    // the tag.
    return consume(m[1] ? m[1] : m[2]);
  }

  // Unescape a string 's'.
  function unescape1(e) {
    return ESCAPE[e];
  }
  function unescape(s) {
    while ((m = s.match(/&(amp|lt|gt|lrm|rlm|nbsp);/))) {
      s = s.replace(m[0], unescape1);
    }
    return s;
  }

  function shouldAdd(current, element) {
    return !NEEDS_PARENT[element.localName] ||
           NEEDS_PARENT[element.localName] === current.localName;
  }

  // Create an element for this tag.
  function createElement(type, annotation) {
    var tagName = TAG_NAME[type];
    if (!tagName) {
      return null;
    }
    var element = window.document.createElement(tagName);
    element.localName = tagName;
    var name = TAG_ANNOTATION[type];
    if (name && annotation) {
      element[name] = annotation.trim();
    }
    return element;
  }

  var rootDiv = window.document.createElement("div"),
      current = rootDiv,
      t,
      tagStack = [];

  while ((t = nextToken()) !== null) {
    if (t[0] === '<') {
      if (t[1] === "/") {
        // If the closing tag matches, move back up to the parent node.
        if (tagStack.length &&
            tagStack[tagStack.length - 1] === t.substr(2).replace(">", "")) {
          tagStack.pop();
          current = current.parentNode;
        }
        // Otherwise just ignore the end tag.
        continue;
      }
      var ts = parseTimeStamp(t.substr(1, t.length - 2));
      var node;
      if (ts) {
        // Timestamps are lead nodes as well.
        node = window.document.createProcessingInstruction("timestamp", ts);
        current.appendChild(node);
        continue;
      }
      var m = t.match(/^<([^.\s/0-9>]+)(\.[^\s\\>]+)?([^>\\]+)?(\\?)>?$/);
      // If we can't parse the tag, skip to the next tag.
      if (!m) {
        continue;
      }
      // Try to construct an element, and ignore the tag if we couldn't.
      node = createElement(m[1], m[3]);
      if (!node) {
        continue;
      }
      // Determine if the tag should be added based on the context of where it
      // is placed in the cuetext.
      if (!shouldAdd(current, node)) {
        continue;
      }
      // Set the class list (as a list of classes, separated by space).
      if (m[2]) {
        node.className = m[2].substr(1).replace('.', ' ');
      }
      // Append the node to the current node, and enter the scope of the new
      // node.
      tagStack.push(m[1]);
      current.appendChild(node);
      current = node;
      continue;
    }

    // Text nodes are leaf nodes.
    current.appendChild(window.document.createTextNode(unescape(t)));
  }

  return rootDiv;
}

// This is a list of all the Unicode characters that have a strong
// right-to-left category. What this means is that these characters are
// written right-to-left for sure. It was generated by pulling all the strong
// right-to-left characters out of the Unicode data table. That table can
// found at: http://www.unicode.org/Public/UNIDATA/UnicodeData.txt
var strongRTLRanges = [[0x5be, 0x5be], [0x5c0, 0x5c0], [0x5c3, 0x5c3], [0x5c6, 0x5c6],
 [0x5d0, 0x5ea], [0x5f0, 0x5f4], [0x608, 0x608], [0x60b, 0x60b], [0x60d, 0x60d],
 [0x61b, 0x61b], [0x61e, 0x64a], [0x66d, 0x66f], [0x671, 0x6d5], [0x6e5, 0x6e6],
 [0x6ee, 0x6ef], [0x6fa, 0x70d], [0x70f, 0x710], [0x712, 0x72f], [0x74d, 0x7a5],
 [0x7b1, 0x7b1], [0x7c0, 0x7ea], [0x7f4, 0x7f5], [0x7fa, 0x7fa], [0x800, 0x815],
 [0x81a, 0x81a], [0x824, 0x824], [0x828, 0x828], [0x830, 0x83e], [0x840, 0x858],
 [0x85e, 0x85e], [0x8a0, 0x8a0], [0x8a2, 0x8ac], [0x200f, 0x200f],
 [0xfb1d, 0xfb1d], [0xfb1f, 0xfb28], [0xfb2a, 0xfb36], [0xfb38, 0xfb3c],
 [0xfb3e, 0xfb3e], [0xfb40, 0xfb41], [0xfb43, 0xfb44], [0xfb46, 0xfbc1],
 [0xfbd3, 0xfd3d], [0xfd50, 0xfd8f], [0xfd92, 0xfdc7], [0xfdf0, 0xfdfc],
 [0xfe70, 0xfe74], [0xfe76, 0xfefc], [0x10800, 0x10805], [0x10808, 0x10808],
 [0x1080a, 0x10835], [0x10837, 0x10838], [0x1083c, 0x1083c], [0x1083f, 0x10855],
 [0x10857, 0x1085f], [0x10900, 0x1091b], [0x10920, 0x10939], [0x1093f, 0x1093f],
 [0x10980, 0x109b7], [0x109be, 0x109bf], [0x10a00, 0x10a00], [0x10a10, 0x10a13],
 [0x10a15, 0x10a17], [0x10a19, 0x10a33], [0x10a40, 0x10a47], [0x10a50, 0x10a58],
 [0x10a60, 0x10a7f], [0x10b00, 0x10b35], [0x10b40, 0x10b55], [0x10b58, 0x10b72],
 [0x10b78, 0x10b7f], [0x10c00, 0x10c48], [0x1ee00, 0x1ee03], [0x1ee05, 0x1ee1f],
 [0x1ee21, 0x1ee22], [0x1ee24, 0x1ee24], [0x1ee27, 0x1ee27], [0x1ee29, 0x1ee32],
 [0x1ee34, 0x1ee37], [0x1ee39, 0x1ee39], [0x1ee3b, 0x1ee3b], [0x1ee42, 0x1ee42],
 [0x1ee47, 0x1ee47], [0x1ee49, 0x1ee49], [0x1ee4b, 0x1ee4b], [0x1ee4d, 0x1ee4f],
 [0x1ee51, 0x1ee52], [0x1ee54, 0x1ee54], [0x1ee57, 0x1ee57], [0x1ee59, 0x1ee59],
 [0x1ee5b, 0x1ee5b], [0x1ee5d, 0x1ee5d], [0x1ee5f, 0x1ee5f], [0x1ee61, 0x1ee62],
 [0x1ee64, 0x1ee64], [0x1ee67, 0x1ee6a], [0x1ee6c, 0x1ee72], [0x1ee74, 0x1ee77],
 [0x1ee79, 0x1ee7c], [0x1ee7e, 0x1ee7e], [0x1ee80, 0x1ee89], [0x1ee8b, 0x1ee9b],
 [0x1eea1, 0x1eea3], [0x1eea5, 0x1eea9], [0x1eeab, 0x1eebb], [0x10fffd, 0x10fffd]];

function isStrongRTLChar(charCode) {
  for (var i = 0; i < strongRTLRanges.length; i++) {
    var currentRange = strongRTLRanges[i];
    if (charCode >= currentRange[0] && charCode <= currentRange[1]) {
      return true;
    }
  }

  return false;
}

function determineBidi(cueDiv) {
  var nodeStack = [],
      text = "",
      charCode;

  if (!cueDiv || !cueDiv.childNodes) {
    return "ltr";
  }

  function pushNodes(nodeStack, node) {
    for (var i = node.childNodes.length - 1; i >= 0; i--) {
      nodeStack.push(node.childNodes[i]);
    }
  }

  function nextTextNode(nodeStack) {
    if (!nodeStack || !nodeStack.length) {
      return null;
    }

    var node = nodeStack.pop(),
        text = node.textContent || node.innerText;
    if (text) {
      // TODO: This should match all unicode type B characters (paragraph
      // separator characters). See issue #115.
      var m = text.match(/^.*(\n|\r)/);
      if (m) {
        nodeStack.length = 0;
        return m[0];
      }
      return text;
    }
    if (node.tagName === "ruby") {
      return nextTextNode(nodeStack);
    }
    if (node.childNodes) {
      pushNodes(nodeStack, node);
      return nextTextNode(nodeStack);
    }
  }

  pushNodes(nodeStack, cueDiv);
  while ((text = nextTextNode(nodeStack))) {
    for (var i = 0; i < text.length; i++) {
      charCode = text.charCodeAt(i);
      if (isStrongRTLChar(charCode)) {
        return "rtl";
      }
    }
  }
  return "ltr";
}

function computeLinePos(cue) {
  if (typeof cue.line === "number" &&
      (cue.snapToLines || (cue.line >= 0 && cue.line <= 100))) {
    return cue.line;
  }
  if (!cue.track || !cue.track.textTrackList ||
      !cue.track.textTrackList.mediaElement) {
    return -1;
  }
  var track = cue.track,
      trackList = track.textTrackList,
      count = 0;
  for (var i = 0; i < trackList.length && trackList[i] !== track; i++) {
    if (trackList[i].mode === "showing") {
      count++;
    }
  }
  return ++count * -1;
}

function StyleBox() {
}

// Apply styles to a div. If there is no div passed then it defaults to the
// div on 'this'.
StyleBox.prototype.applyStyles = function(styles, div) {
  div = div || this.div;
  for (var prop in styles) {
    if (styles.hasOwnProperty(prop)) {
      div.style[prop] = styles[prop];
    }
  }
};

StyleBox.prototype.formatStyle = function(val, unit) {
  return val === 0 ? 0 : val + unit;
};

// Constructs the computed display state of the cue (a div). Places the div
// into the overlay which should be a block level element (usually a div).
function CueStyleBox(window, cue, styleOptions) {
  var isIE8 = (/MSIE\s8\.0/).test(navigator.userAgent);
  var color = "rgba(255, 255, 255, 1)";
  var backgroundColor = "rgba(0, 0, 0, 0.8)";

  if (isIE8) {
    color = "rgb(255, 255, 255)";
    backgroundColor = "rgb(0, 0, 0)";
  }

  StyleBox.call(this);
  this.cue = cue;

  // Parse our cue's text into a DOM tree rooted at 'cueDiv'. This div will
  // have inline positioning and will function as the cue background box.
  this.cueDiv = parseContent(window, cue.text);
  var styles = {
    color: color,
    backgroundColor: backgroundColor,
    position: "relative",
    left: 0,
    right: 0,
    top: 0,
    bottom: 0,
    display: "inline"
  };

  if (!isIE8) {
    styles.writingMode = cue.vertical === "" ? "horizontal-tb"
                                             : cue.vertical === "lr" ? "vertical-lr"
                                                                     : "vertical-rl";
    styles.unicodeBidi = "plaintext";
  }
  this.applyStyles(styles, this.cueDiv);

  // Create an absolutely positioned div that will be used to position the cue
  // div. Note, all WebVTT cue-setting alignments are equivalent to the CSS
  // mirrors of them except "middle" which is "center" in CSS.
  this.div = window.document.createElement("div");
  styles = {
    textAlign: cue.align === "middle" ? "center" : cue.align,
    font: styleOptions.font,
    whiteSpace: "pre-line",
    position: "absolute"
  };

  if (!isIE8) {
    styles.direction = determineBidi(this.cueDiv);
    styles.writingMode = cue.vertical === "" ? "horizontal-tb"
                                             : cue.vertical === "lr" ? "vertical-lr"
                                                                     : "vertical-rl".
    stylesunicodeBidi =  "plaintext";
  }

  this.applyStyles(styles);

  this.div.appendChild(this.cueDiv);

  // Calculate the distance from the reference edge of the viewport to the text
  // position of the cue box. The reference edge will be resolved later when
  // the box orientation styles are applied.
  var textPos = 0;
  switch (cue.positionAlign) {
  case "start":
    textPos = cue.position;
    break;
  case "middle":
    textPos = cue.position - (cue.size / 2);
    break;
  case "end":
    textPos = cue.position - cue.size;
    break;
  }

  // Horizontal box orientation; textPos is the distance from the left edge of the
  // area to the left edge of the box and cue.size is the distance extending to
  // the right from there.
  if (cue.vertical === "") {
    this.applyStyles({
      left:  this.formatStyle(textPos, "%"),
      width: this.formatStyle(cue.size, "%")
    });
  // Vertical box orientation; textPos is the distance from the top edge of the
  // area to the top edge of the box and cue.size is the height extending
  // downwards from there.
  } else {
    this.applyStyles({
      top: this.formatStyle(textPos, "%"),
      height: this.formatStyle(cue.size, "%")
    });
  }

  this.move = function(box) {
    this.applyStyles({
      top: this.formatStyle(box.top, "px"),
      bottom: this.formatStyle(box.bottom, "px"),
      left: this.formatStyle(box.left, "px"),
      right: this.formatStyle(box.right, "px"),
      height: this.formatStyle(box.height, "px"),
      width: this.formatStyle(box.width, "px")
    });
  };
}
CueStyleBox.prototype = _objCreate(StyleBox.prototype);
CueStyleBox.prototype.constructor = CueStyleBox;

// Represents the co-ordinates of an Element in a way that we can easily
// compute things with such as if it overlaps or intersects with another Element.
// Can initialize it with either a StyleBox or another BoxPosition.
function BoxPosition(obj) {
  var isIE8 = (/MSIE\s8\.0/).test(navigator.userAgent);

  // Either a BoxPosition was passed in and we need to copy it, or a StyleBox
  // was passed in and we need to copy the results of 'getBoundingClientRect'
  // as the object returned is readonly. All co-ordinate values are in reference
  // to the viewport origin (top left).
  var lh, height, width, top;
  if (obj.div) {
    height = obj.div.offsetHeight;
    width = obj.div.offsetWidth;
    top = obj.div.offsetTop;

    var rects = (rects = obj.div.childNodes) && (rects = rects[0]) &&
                rects.getClientRects && rects.getClientRects();
    obj = obj.div.getBoundingClientRect();
    // In certain cases the outter div will be slightly larger then the sum of
    // the inner div's lines. This could be due to bold text, etc, on some platforms.
    // In this case we should get the average line height and use that. This will
    // result in the desired behaviour.
    lh = rects ? Math.max((rects[0] && rects[0].height) || 0, obj.height / rects.length)
               : 0;

  }
  this.left = obj.left;
  this.right = obj.right;
  this.top = obj.top || top;
  this.height = obj.height || height;
  this.bottom = obj.bottom || (top + (obj.height || height));
  this.width = obj.width || width;
  this.lineHeight = lh !== undefined ? lh : obj.lineHeight;

  if (isIE8 && !this.lineHeight) {
    this.lineHeight = 13;
  }
}

// Move the box along a particular axis. Optionally pass in an amount to move
// the box. If no amount is passed then the default is the line height of the
// box.
BoxPosition.prototype.move = function(axis, toMove) {
  toMove = toMove !== undefined ? toMove : this.lineHeight;
  switch (axis) {
  case "+x":
    this.left += toMove;
    this.right += toMove;
    break;
  case "-x":
    this.left -= toMove;
    this.right -= toMove;
    break;
  case "+y":
    this.top += toMove;
    this.bottom += toMove;
    break;
  case "-y":
    this.top -= toMove;
    this.bottom -= toMove;
    break;
  }
};

// Check if this box overlaps another box, b2.
BoxPosition.prototype.overlaps = function(b2) {
  return this.left < b2.right &&
         this.right > b2.left &&
         this.top < b2.bottom &&
         this.bottom > b2.top;
};

// Check if this box overlaps any other boxes in boxes.
BoxPosition.prototype.overlapsAny = function(boxes) {
  for (var i = 0; i < boxes.length; i++) {
    if (this.overlaps(boxes[i])) {
      return true;
    }
  }
  return false;
};

// Check if this box is within another box.
BoxPosition.prototype.within = function(container) {
  return this.top >= container.top &&
         this.bottom <= container.bottom &&
         this.left >= container.left &&
         this.right <= container.right;
};

// Check if this box is entirely within the container or it is overlapping
// on the edge opposite of the axis direction passed. For example, if "+x" is
// passed and the box is overlapping on the left edge of the container, then
// return true.
BoxPosition.prototype.overlapsOppositeAxis = function(container, axis) {
  switch (axis) {
  case "+x":
    return this.left < container.left;
  case "-x":
    return this.right > container.right;
  case "+y":
    return this.top < container.top;
  case "-y":
    return this.bottom > container.bottom;
  }
};

// Find the percentage of the area that this box is overlapping with another
// box.
BoxPosition.prototype.intersectPercentage = function(b2) {
  var x = Math.max(0, Math.min(this.right, b2.right) - Math.max(this.left, b2.left)),
      y = Math.max(0, Math.min(this.bottom, b2.bottom) - Math.max(this.top, b2.top)),
      intersectArea = x * y;
  return intersectArea / (this.height * this.width);
};

// Convert the positions from this box to CSS compatible positions using
// the reference container's positions. This has to be done because this
// box's positions are in reference to the viewport origin, whereas, CSS
// values are in referecne to their respective edges.
BoxPosition.prototype.toCSSCompatValues = function(reference) {
  return {
    top: this.top - reference.top,
    bottom: reference.bottom - this.bottom,
    left: this.left - reference.left,
    right: reference.right - this.right,
    height: this.height,
    width: this.width
  };
};

// Get an object that represents the box's position without anything extra.
// Can pass a StyleBox, HTMLElement, or another BoxPositon.
BoxPosition.getSimpleBoxPosition = function(obj) {
  var height = obj.div ? obj.div.offsetHeight : obj.tagName ? obj.offsetHeight : 0;
  var width = obj.div ? obj.div.offsetWidth : obj.tagName ? obj.offsetWidth : 0;
  var top = obj.div ? obj.div.offsetTop : obj.tagName ? obj.offsetTop : 0;

  obj = obj.div ? obj.div.getBoundingClientRect() :
                obj.tagName ? obj.getBoundingClientRect() : obj;
  var ret = {
    left: obj.left,
    right: obj.right,
    top: obj.top || top,
    height: obj.height || height,
    bottom: obj.bottom || (top + (obj.height || height)),
    width: obj.width || width
  };
  return ret;
};

// Move a StyleBox to its specified, or next best, position. The containerBox
// is the box that contains the StyleBox, such as a div. boxPositions are
// a list of other boxes that the styleBox can't overlap with.
function moveBoxToLinePosition(window, styleBox, containerBox, boxPositions) {

  // Find the best position for a cue box, b, on the video. The axis parameter
  // is a list of axis, the order of which, it will move the box along. For example:
  // Passing ["+x", "-x"] will move the box first along the x axis in the positive
  // direction. If it doesn't find a good position for it there it will then move
  // it along the x axis in the negative direction.
  function findBestPosition(b, axis) {
    var bestPosition,
        specifiedPosition = new BoxPosition(b),
        percentage = 1; // Highest possible so the first thing we get is better.

    for (var i = 0; i < axis.length; i++) {
      while (b.overlapsOppositeAxis(containerBox, axis[i]) ||
             (b.within(containerBox) && b.overlapsAny(boxPositions))) {
        b.move(axis[i]);
      }
      // We found a spot where we aren't overlapping anything. This is our
      // best position.
      if (b.within(containerBox)) {
        return b;
      }
      var p = b.intersectPercentage(containerBox);
      // If we're outside the container box less then we were on our last try
      // then remember this position as the best position.
      if (percentage > p) {
        bestPosition = new BoxPosition(b);
        percentage = p;
      }
      // Reset the box position to the specified position.
      b = new BoxPosition(specifiedPosition);
    }
    return bestPosition || specifiedPosition;
  }

  var boxPosition = new BoxPosition(styleBox),
      cue = styleBox.cue,
      linePos = computeLinePos(cue),
      axis = [];

  // If we have a line number to align the cue to.
  if (cue.snapToLines) {
    var size;
    switch (cue.vertical) {
    case "":
      axis = [ "+y", "-y" ];
      size = "height";
      break;
    case "rl":
      axis = [ "+x", "-x" ];
      size = "width";
      break;
    case "lr":
      axis = [ "-x", "+x" ];
      size = "width";
      break;
    }

    var step = boxPosition.lineHeight,
        position = step * Math.round(linePos),
        maxPosition = containerBox[size] + step,
        initialAxis = axis[0];

    // If the specified intial position is greater then the max position then
    // clamp the box to the amount of steps it would take for the box to
    // reach the max position.
    if (Math.abs(position) > maxPosition) {
      position = position < 0 ? -1 : 1;
      position *= Math.ceil(maxPosition / step) * step;
    }

    // If computed line position returns negative then line numbers are
    // relative to the bottom of the video instead of the top. Therefore, we
    // need to increase our initial position by the length or width of the
    // video, depending on the writing direction, and reverse our axis directions.
    if (linePos < 0) {
      position += cue.vertical === "" ? containerBox.height : containerBox.width;
      axis = axis.reverse();
    }

    // Move the box to the specified position. This may not be its best
    // position.
    boxPosition.move(initialAxis, position);

  } else {
    // If we have a percentage line value for the cue.
    var calculatedPercentage = (boxPosition.lineHeight / containerBox.height) * 100;

    switch (cue.lineAlign) {
    case "middle":
      linePos -= (calculatedPercentage / 2);
      break;
    case "end":
      linePos -= calculatedPercentage;
      break;
    }

    // Apply initial line position to the cue box.
    switch (cue.vertical) {
    case "":
      styleBox.applyStyles({
        top: styleBox.formatStyle(linePos, "%")
      });
      break;
    case "rl":
      styleBox.applyStyles({
        left: styleBox.formatStyle(linePos, "%")
      });
      break;
    case "lr":
      styleBox.applyStyles({
        right: styleBox.formatStyle(linePos, "%")
      });
      break;
    }

    axis = [ "+y", "-x", "+x", "-y" ];

    // Get the box position again after we've applied the specified positioning
    // to it.
    boxPosition = new BoxPosition(styleBox);
  }

  var bestPosition = findBestPosition(boxPosition, axis);
  styleBox.move(bestPosition.toCSSCompatValues(containerBox));
}

function WebVTT() {
  // Nothing
}

// Helper to allow strings to be decoded instead of the default binary utf8 data.
WebVTT.StringDecoder = function() {
  return {
    decode: function(data) {
      if (!data) {
        return "";
      }
      if (typeof data !== "string") {
        throw new Error("Error - expected string data.");
      }
      return decodeURIComponent(encodeURIComponent(data));
    }
  };
};

WebVTT.convertCueToDOMTree = function(window, cuetext) {
  if (!window || !cuetext) {
    return null;
  }
  return parseContent(window, cuetext);
};

var FONT_SIZE_PERCENT = 0.05;
var FONT_STYLE = "sans-serif";
var CUE_BACKGROUND_PADDING = "1.5%";

// Runs the processing model over the cues and regions passed to it.
// @param overlay A block level element (usually a div) that the computed cues
//                and regions will be placed into.
WebVTT.processCues = function(window, cues, overlay) {
  if (!window || !cues || !overlay) {
    return null;
  }

  // Remove all previous children.
  while (overlay.firstChild) {
    overlay.removeChild(overlay.firstChild);
  }

  var paddedOverlay = window.document.createElement("div");
  paddedOverlay.style.position = "absolute";
  paddedOverlay.style.left = "0";
  paddedOverlay.style.right = "0";
  paddedOverlay.style.top = "0";
  paddedOverlay.style.bottom = "0";
  paddedOverlay.style.margin = CUE_BACKGROUND_PADDING;
  overlay.appendChild(paddedOverlay);

  // Determine if we need to compute the display states of the cues. This could
  // be the case if a cue's state has been changed since the last computation or
  // if it has not been computed yet.
  function shouldCompute(cues) {
    for (var i = 0; i < cues.length; i++) {
      if (cues[i].hasBeenReset || !cues[i].displayState) {
        return true;
      }
    }
    return false;
  }

  // We don't need to recompute the cues' display states. Just reuse them.
  if (!shouldCompute(cues)) {
    for (var i = 0; i < cues.length; i++) {
      paddedOverlay.appendChild(cues[i].displayState);
    }
    return;
  }

  var boxPositions = [],
      containerBox = BoxPosition.getSimpleBoxPosition(paddedOverlay),
      fontSize = Math.round(containerBox.height * FONT_SIZE_PERCENT * 100) / 100;
  var styleOptions = {
    font: fontSize + "px " + FONT_STYLE
  };

  (function() {
    var styleBox, cue;

    for (var i = 0; i < cues.length; i++) {
      cue = cues[i];

      // Compute the intial position and styles of the cue div.
      styleBox = new CueStyleBox(window, cue, styleOptions);
      paddedOverlay.appendChild(styleBox.div);

      // Move the cue div to it's correct line position.
      moveBoxToLinePosition(window, styleBox, containerBox, boxPositions);

      // Remember the computed div so that we don't have to recompute it later
      // if we don't have too.
      cue.displayState = styleBox.div;

      boxPositions.push(BoxPosition.getSimpleBoxPosition(styleBox));
    }
  })();
};

WebVTT.Parser = function(window, vttjs, decoder) {
  if (!decoder) {
    decoder = vttjs;
    vttjs = {};
  }
  if (!vttjs) {
    vttjs = {};
  }

  this.window = window;
  this.vttjs = vttjs;
  this.state = "INITIAL";
  this.buffer = "";
  this.decoder = decoder || new TextDecoder("utf8");
  this.regionList = [];
};

WebVTT.Parser.prototype = {
  // If the error is a ParsingError then report it to the consumer if
  // possible. If it's not a ParsingError then throw it like normal.
  reportOrThrowError: function(e) {
    if (e instanceof ParsingError) {
      this.onparsingerror && this.onparsingerror(e);
    } else {
      throw e;
    }
  },
  parse: function (data) {
    var self = this;

    // If there is no data then we won't decode it, but will just try to parse
    // whatever is in buffer already. This may occur in circumstances, for
    // example when flush() is called.
    if (data) {
      // Try to decode the data that we received.
      self.buffer += self.decoder.decode(data, {stream: true});
    }

    function collectNextLine() {
      var buffer = self.buffer;
      var pos = 0;
      while (pos < buffer.length && buffer[pos] !== '\r' && buffer[pos] !== '\n') {
        ++pos;
      }
      var line = buffer.substr(0, pos);
      // Advance the buffer early in case we fail below.
      if (buffer[pos] === '\r') {
        ++pos;
      }
      if (buffer[pos] === '\n') {
        ++pos;
      }
      self.buffer = buffer.substr(pos);
      return line;
    }

    // 3.4 WebVTT region and WebVTT region settings syntax
    function parseRegion(input) {
      var settings = new Settings();

      parseOptions(input, function (k, v) {
        switch (k) {
        case "id":
          settings.set(k, v);
          break;
        case "width":
          settings.percent(k, v);
          break;
        case "lines":
          settings.integer(k, v);
          break;
        case "regionanchor":
        case "viewportanchor":
          var xy = v.split(',');
          if (xy.length !== 2) {
            break;
          }
          // We have to make sure both x and y parse, so use a temporary
          // settings object here.
          var anchor = new Settings();
          anchor.percent("x", xy[0]);
          anchor.percent("y", xy[1]);
          if (!anchor.has("x") || !anchor.has("y")) {
            break;
          }
          settings.set(k + "X", anchor.get("x"));
          settings.set(k + "Y", anchor.get("y"));
          break;
        case "scroll":
          settings.alt(k, v, ["up"]);
          break;
        }
      }, /=/, /\s/);

      // Create the region, using default values for any values that were not
      // specified.
      if (settings.has("id")) {
        var region = new (self.vttjs.VTTRegion || self.window.VTTRegion)();
        region.width = settings.get("width", 100);
        region.lines = settings.get("lines", 3);
        region.regionAnchorX = settings.get("regionanchorX", 0);
        region.regionAnchorY = settings.get("regionanchorY", 100);
        region.viewportAnchorX = settings.get("viewportanchorX", 0);
        region.viewportAnchorY = settings.get("viewportanchorY", 100);
        region.scroll = settings.get("scroll", "");
        // Register the region.
        self.onregion && self.onregion(region);
        // Remember the VTTRegion for later in case we parse any VTTCues that
        // reference it.
        self.regionList.push({
          id: settings.get("id"),
          region: region
        });
      }
    }

    // draft-pantos-http-live-streaming-20
    // https://tools.ietf.org/html/draft-pantos-http-live-streaming-20#section-3.5
    // 3.5 WebVTT
    function parseTimestampMap(input) {
      var settings = new Settings();

      parseOptions(input, function(k, v) {
        switch(k) {
        case "MPEGT":
          settings.integer(k + 'S', v);
          break;
        case "LOCA":
          settings.set(k + 'L', parseTimeStamp(v));
          break;
        }
      }, /[^\d]:/, /,/);

      self.ontimestampmap && self.ontimestampmap({
        "MPEGTS": settings.get("MPEGTS"),
        "LOCAL": settings.get("LOCAL")
      });
    }

    // 3.2 WebVTT metadata header syntax
    function parseHeader(input) {
      if (input.match(/X-TIMESTAMP-MAP/)) {
        // This line contains HLS X-TIMESTAMP-MAP metadata
        parseOptions(input, function(k, v) {
          switch(k) {
          case "X-TIMESTAMP-MAP":
            parseTimestampMap(v);
            break;
          }
        }, /=/);
      } else {
        parseOptions(input, function (k, v) {
          switch (k) {
          case "Region":
            // 3.3 WebVTT region metadata header syntax
            parseRegion(v);
            break;
          }
        }, /:/);
      }

    }

    // 5.1 WebVTT file parsing.
    try {
      var line;
      if (self.state === "INITIAL") {
        // We can't start parsing until we have the first line.
        if (!/\r\n|\n/.test(self.buffer)) {
          return this;
        }

        line = collectNextLine();

        var m = line.match(/^WEBVTT([ \t].*)?$/);
        if (!m || !m[0]) {
          throw new ParsingError(ParsingError.Errors.BadSignature);
        }

        self.state = "HEADER";
      }

      var alreadyCollectedLine = false;
      while (self.buffer) {
        // We can't parse a line until we have the full line.
        if (!/\r\n|\n/.test(self.buffer)) {
          return this;
        }

        if (!alreadyCollectedLine) {
          line = collectNextLine();
        } else {
          alreadyCollectedLine = false;
        }

        switch (self.state) {
        case "HEADER":
          // 13-18 - Allow a header (metadata) under the WEBVTT line.
          if (/:/.test(line)) {
            parseHeader(line);
          } else if (!line) {
            // An empty line terminates the header and starts the body (cues).
            self.state = "ID";
          }
          continue;
        case "NOTE":
          // Ignore NOTE blocks.
          if (!line) {
            self.state = "ID";
          }
          continue;
        case "ID":
          // Check for the start of NOTE blocks.
          if (/^NOTE($|[ \t])/.test(line)) {
            self.state = "NOTE";
            break;
          }
          // 19-29 - Allow any number of line terminators, then initialize new cue values.
          if (!line) {
            continue;
          }
          self.cue = new (self.vttjs.VTTCue || self.window.VTTCue)(0, 0, "");
          self.state = "CUE";
          // 30-39 - Check if self line contains an optional identifier or timing data.
          if (line.indexOf("-->") === -1) {
            self.cue.id = line;
            continue;
          }
          // Process line as start of a cue.
          /*falls through*/
        case "CUE":
          // 40 - Collect cue timings and settings.
          try {
            parseCue(line, self.cue, self.regionList);
          } catch (e) {
            self.reportOrThrowError(e);
            // In case of an error ignore rest of the cue.
            self.cue = null;
            self.state = "BADCUE";
            continue;
          }
          self.state = "CUETEXT";
          continue;
        case "CUETEXT":
          var hasSubstring = line.indexOf("-->") !== -1;
          // 34 - If we have an empty line then report the cue.
          // 35 - If we have the special substring '-->' then report the cue,
          // but do not collect the line as we need to process the current
          // one as a new cue.
          if (!line || hasSubstring && (alreadyCollectedLine = true)) {
            // We are done parsing self cue.
            self.oncue && self.oncue(self.cue);
            self.cue = null;
            self.state = "ID";
            continue;
          }
          if (self.cue.text) {
            self.cue.text += "\n";
          }
          self.cue.text += line;
          continue;
        case "BADCUE": // BADCUE
          // 54-62 - Collect and discard the remaining cue.
          if (!line) {
            self.state = "ID";
          }
          continue;
        }
      }
    } catch (e) {
      self.reportOrThrowError(e);

      // If we are currently parsing a cue, report what we have.
      if (self.state === "CUETEXT" && self.cue && self.oncue) {
        self.oncue(self.cue);
      }
      self.cue = null;
      // Enter BADWEBVTT state if header was not parsed correctly otherwise
      // another exception occurred so enter BADCUE state.
      self.state = self.state === "INITIAL" ? "BADWEBVTT" : "BADCUE";
    }
    return this;
  },
  flush: function () {
    var self = this;
    try {
      // Finish decoding the stream.
      self.buffer += self.decoder.decode();
      // Synthesize the end of the current cue or region.
      if (self.cue || self.state === "HEADER") {
        self.buffer += "\n\n";
        self.parse();
      }
      // If we've flushed, parsed, and we're still on the INITIAL state then
      // that means we don't have enough of the stream to parse the first
      // line.
      if (self.state === "INITIAL") {
        throw new ParsingError(ParsingError.Errors.BadSignature);
      }
    } catch(e) {
      self.reportOrThrowError(e);
    }
    self.onflush && self.onflush();
    return this;
  }
};

module.exports = WebVTT;


/***/ }),

/***/ "d039":
/***/ (function(module, exports) {

module.exports = function (exec) {
  try {
    return !!exec();
  } catch (error) {
    return true;
  }
};


/***/ }),

/***/ "d066":
/***/ (function(module, exports, __webpack_require__) {

var path = __webpack_require__("428f");
var global = __webpack_require__("da84");

var aFunction = function (variable) {
  return typeof variable == 'function' ? variable : undefined;
};

module.exports = function (namespace, method) {
  return arguments.length < 2 ? aFunction(path[namespace]) || aFunction(global[namespace])
    : path[namespace] && path[namespace][method] || global[namespace] && global[namespace][method];
};


/***/ }),

/***/ "d1e7":
/***/ (function(module, exports, __webpack_require__) {

"use strict";

var nativePropertyIsEnumerable = {}.propertyIsEnumerable;
var getOwnPropertyDescriptor = Object.getOwnPropertyDescriptor;

// Nashorn ~ JDK8 bug
var NASHORN_BUG = getOwnPropertyDescriptor && !nativePropertyIsEnumerable.call({ 1: 2 }, 1);

// `Object.prototype.propertyIsEnumerable` method implementation
// https://tc39.github.io/ecma262/#sec-object.prototype.propertyisenumerable
exports.f = NASHORN_BUG ? function propertyIsEnumerable(V) {
  var descriptor = getOwnPropertyDescriptor(this, V);
  return !!descriptor && descriptor.enumerable;
} : nativePropertyIsEnumerable;


/***/ }),

/***/ "d28b":
/***/ (function(module, exports, __webpack_require__) {

var defineWellKnownSymbol = __webpack_require__("746f");

// `Symbol.iterator` well-known symbol
// https://tc39.github.io/ecma262/#sec-symbol.iterator
defineWellKnownSymbol('iterator');


/***/ }),

/***/ "d2bb":
/***/ (function(module, exports, __webpack_require__) {

var anObject = __webpack_require__("825a");
var aPossiblePrototype = __webpack_require__("3bbe");

// `Object.setPrototypeOf` method
// https://tc39.github.io/ecma262/#sec-object.setprototypeof
// Works with __proto__ only. Old v8 can't work with null proto objects.
/* eslint-disable no-proto */
module.exports = Object.setPrototypeOf || ('__proto__' in {} ? function () {
  var CORRECT_SETTER = false;
  var test = {};
  var setter;
  try {
    setter = Object.getOwnPropertyDescriptor(Object.prototype, '__proto__').set;
    setter.call(test, []);
    CORRECT_SETTER = test instanceof Array;
  } catch (error) { /* empty */ }
  return function setPrototypeOf(O, proto) {
    anObject(O);
    aPossiblePrototype(proto);
    if (CORRECT_SETTER) setter.call(O, proto);
    else O.__proto__ = proto;
    return O;
  };
}() : undefined);


/***/ }),

/***/ "d3b7":
/***/ (function(module, exports, __webpack_require__) {

var TO_STRING_TAG_SUPPORT = __webpack_require__("00ee");
var redefine = __webpack_require__("6eeb");
var toString = __webpack_require__("b041");

// `Object.prototype.toString` method
// https://tc39.github.io/ecma262/#sec-object.prototype.tostring
if (!TO_STRING_TAG_SUPPORT) {
  redefine(Object.prototype, 'toString', toString, { unsafe: true });
}


/***/ }),

/***/ "d44e":
/***/ (function(module, exports, __webpack_require__) {

var defineProperty = __webpack_require__("9bf2").f;
var has = __webpack_require__("5135");
var wellKnownSymbol = __webpack_require__("b622");

var TO_STRING_TAG = wellKnownSymbol('toStringTag');

module.exports = function (it, TAG, STATIC) {
  if (it && !has(it = STATIC ? it : it.prototype, TO_STRING_TAG)) {
    defineProperty(it, TO_STRING_TAG, { configurable: true, value: TAG });
  }
};


/***/ }),

/***/ "d695":
/***/ (function(module, exports, __webpack_require__) {

// extracted by mini-css-extract-plugin

/***/ }),

/***/ "d6d3":
/***/ (function(module, exports, __webpack_require__) {

!function(e,t){ true?module.exports=t(__webpack_require__("3d33")):undefined}(this,function(e){return function(e){function t(i){if(n[i])return n[i].exports;var r=n[i]={i:i,l:!1,exports:{}};return e[i].call(r.exports,r,r.exports,t),r.l=!0,r.exports}var n={};return t.m=e,t.c=n,t.i=function(e){return e},t.d=function(e,n,i){t.o(e,n)||Object.defineProperty(e,n,{configurable:!1,enumerable:!0,get:i})},t.n=function(e){var n=e&&e.__esModule?function(){return e.default}:function(){return e};return t.d(n,"a",n),n},t.o=function(e,t){return Object.prototype.hasOwnProperty.call(e,t)},t.p="/",t(t.s=3)}([function(t,n){t.exports=e},function(e,t,n){"use strict";function i(e,t,n){return t in e?Object.defineProperty(e,t,{value:n,enumerable:!0,configurable:!0,writable:!0}):e[t]=n,e}Object.defineProperty(t,"__esModule",{value:!0});var r=n(0),o=function(e){return e&&e.__esModule?e:{default:e}}(r),s=window.videojs||o.default;"function"!=typeof Object.assign&&Object.defineProperty(Object,"assign",{value:function(e,t){if(null==e)throw new TypeError("Cannot convert undefined or null to object");for(var n=Object(e),i=1;i<arguments.length;i++){var r=arguments[i];if(null!=r)for(var o in r)Object.prototype.hasOwnProperty.call(r,o)&&(n[o]=r[o])}return n},writable:!0,configurable:!0});var a=["loadeddata","canplay","canplaythrough","play","pause","waiting","playing","ended","error"];t.default={name:"video-player",props:{start:{type:Number,default:0},crossOrigin:{type:String,default:""},playsinline:{type:Boolean,default:!1},customEventName:{type:String,default:"statechanged"},options:{type:Object,required:!0},events:{type:Array,default:function(){return[]}},globalOptions:{type:Object,default:function(){return{controls:!0,controlBar:{remainingTimeDisplay:!1,playToggle:{},progressControl:{},fullscreenToggle:{},volumeMenuButton:{inline:!1,vertical:!0}},techOrder:["html5"],plugins:{}}}},globalEvents:{type:Array,default:function(){return[]}}},data:function(){return{player:null,reseted:!0}},mounted:function(){this.player||this.initialize()},beforeDestroy:function(){this.player&&this.dispose()},methods:{initialize:function(){var e=this,t=Object.assign({},this.globalOptions,this.options);this.playsinline&&(this.$refs.video.setAttribute("playsinline",this.playsinline),this.$refs.video.setAttribute("webkit-playsinline",this.playsinline),this.$refs.video.setAttribute("x5-playsinline",this.playsinline),this.$refs.video.setAttribute("x5-video-player-type","h5"),this.$refs.video.setAttribute("x5-video-player-fullscreen",!1)),""!==this.crossOrigin&&(this.$refs.video.crossOrigin=this.crossOrigin,this.$refs.video.setAttribute("crossOrigin",this.crossOrigin));var n=function(t,n){t&&e.$emit(t,e.player),n&&e.$emit(e.customEventName,i({},t,n))};t.plugins&&delete t.plugins.__ob__;var r=this;this.player=s(this.$refs.video,t,function(){for(var e=this,t=a.concat(r.events).concat(r.globalEvents),i={},o=0;o<t.length;o++)"string"==typeof t[o]&&void 0===i[t[o]]&&function(t){i[t]=null,e.on(t,function(){n(t,!0)})}(t[o]);this.on("timeupdate",function(){n("timeupdate",this.currentTime())}),r.$emit("ready",this)})},dispose:function(e){var t=this;this.player&&this.player.dispose&&("Flash"!==this.player.techName_&&this.player.pause&&this.player.pause(),this.player.dispose(),this.player=null,this.$nextTick(function(){t.reseted=!1,t.$nextTick(function(){t.reseted=!0,t.$nextTick(function(){e&&e()})})}))}},watch:{options:{deep:!0,handler:function(e,t){var n=this;this.dispose(function(){e&&e.sources&&e.sources.length&&n.initialize()})}}}}},function(e,t,n){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var i=n(1),r=n.n(i);for(var o in i)["default","default"].indexOf(o)<0&&function(e){n.d(t,e,function(){return i[e]})}(o);var s=n(5),a=n(4),l=a(r.a,s.a,!1,null,null,null);t.default=l.exports},function(e,t,n){"use strict";function i(e){return e&&e.__esModule?e:{default:e}}Object.defineProperty(t,"__esModule",{value:!0}),t.install=t.videoPlayer=t.videojs=void 0;var r=n(0),o=i(r),s=n(2),a=i(s),l=window.videojs||o.default,u=function(e,t){t&&(t.options&&(a.default.props.globalOptions.default=function(){return t.options}),t.events&&(a.default.props.globalEvents.default=function(){return t.events})),e.component(a.default.name,a.default)},d={videojs:l,videoPlayer:a.default,install:u};t.default=d,t.videojs=l,t.videoPlayer=a.default,t.install=u},function(e,t){e.exports=function(e,t,n,i,r,o){var s,a=e=e||{},l=typeof e.default;"object"!==l&&"function"!==l||(s=e,a=e.default);var u="function"==typeof a?a.options:a;t&&(u.render=t.render,u.staticRenderFns=t.staticRenderFns,u._compiled=!0),n&&(u.functional=!0),r&&(u._scopeId=r);var d;if(o?(d=function(e){e=e||this.$vnode&&this.$vnode.ssrContext||this.parent&&this.parent.$vnode&&this.parent.$vnode.ssrContext,e||"undefined"==typeof __VUE_SSR_CONTEXT__||(e=__VUE_SSR_CONTEXT__),i&&i.call(this,e),e&&e._registeredComponents&&e._registeredComponents.add(o)},u._ssrRegister=d):i&&(d=i),d){var c=u.functional,f=c?u.render:u.beforeCreate;c?(u._injectStyles=d,u.render=function(e,t){return d.call(t),f(e,t)}):u.beforeCreate=f?[].concat(f,d):[d]}return{esModule:s,exports:a,options:u}}},function(e,t,n){"use strict";var i=function(){var e=this,t=e.$createElement,n=e._self._c||t;return e.reseted?n("div",{staticClass:"video-player"},[n("video",{ref:"video",staticClass:"video-js"})]):e._e()},r=[],o={render:i,staticRenderFns:r};t.a=o}])});

/***/ }),

/***/ "d784":
/***/ (function(module, exports, __webpack_require__) {

"use strict";

// TODO: Remove from `core-js@4` since it's moved to entry points
__webpack_require__("ac1f");
var redefine = __webpack_require__("6eeb");
var fails = __webpack_require__("d039");
var wellKnownSymbol = __webpack_require__("b622");
var regexpExec = __webpack_require__("9263");
var createNonEnumerableProperty = __webpack_require__("9112");

var SPECIES = wellKnownSymbol('species');

var REPLACE_SUPPORTS_NAMED_GROUPS = !fails(function () {
  // #replace needs built-in support for named groups.
  // #match works fine because it just return the exec results, even if it has
  // a "grops" property.
  var re = /./;
  re.exec = function () {
    var result = [];
    result.groups = { a: '7' };
    return result;
  };
  return ''.replace(re, '$<a>') !== '7';
});

// IE <= 11 replaces $0 with the whole match, as if it was $&
// https://stackoverflow.com/questions/6024666/getting-ie-to-replace-a-regex-with-the-literal-string-0
var REPLACE_KEEPS_$0 = (function () {
  return 'a'.replace(/./, '$0') === '$0';
})();

var REPLACE = wellKnownSymbol('replace');
// Safari <= 13.0.3(?) substitutes nth capture where n>m with an empty string
var REGEXP_REPLACE_SUBSTITUTES_UNDEFINED_CAPTURE = (function () {
  if (/./[REPLACE]) {
    return /./[REPLACE]('a', '$0') === '';
  }
  return false;
})();

// Chrome 51 has a buggy "split" implementation when RegExp#exec !== nativeExec
// Weex JS has frozen built-in prototypes, so use try / catch wrapper
var SPLIT_WORKS_WITH_OVERWRITTEN_EXEC = !fails(function () {
  var re = /(?:)/;
  var originalExec = re.exec;
  re.exec = function () { return originalExec.apply(this, arguments); };
  var result = 'ab'.split(re);
  return result.length !== 2 || result[0] !== 'a' || result[1] !== 'b';
});

module.exports = function (KEY, length, exec, sham) {
  var SYMBOL = wellKnownSymbol(KEY);

  var DELEGATES_TO_SYMBOL = !fails(function () {
    // String methods call symbol-named RegEp methods
    var O = {};
    O[SYMBOL] = function () { return 7; };
    return ''[KEY](O) != 7;
  });

  var DELEGATES_TO_EXEC = DELEGATES_TO_SYMBOL && !fails(function () {
    // Symbol-named RegExp methods call .exec
    var execCalled = false;
    var re = /a/;

    if (KEY === 'split') {
      // We can't use real regex here since it causes deoptimization
      // and serious performance degradation in V8
      // https://github.com/zloirock/core-js/issues/306
      re = {};
      // RegExp[@@split] doesn't call the regex's exec method, but first creates
      // a new one. We need to return the patched regex when creating the new one.
      re.constructor = {};
      re.constructor[SPECIES] = function () { return re; };
      re.flags = '';
      re[SYMBOL] = /./[SYMBOL];
    }

    re.exec = function () { execCalled = true; return null; };

    re[SYMBOL]('');
    return !execCalled;
  });

  if (
    !DELEGATES_TO_SYMBOL ||
    !DELEGATES_TO_EXEC ||
    (KEY === 'replace' && !(
      REPLACE_SUPPORTS_NAMED_GROUPS &&
      REPLACE_KEEPS_$0 &&
      !REGEXP_REPLACE_SUBSTITUTES_UNDEFINED_CAPTURE
    )) ||
    (KEY === 'split' && !SPLIT_WORKS_WITH_OVERWRITTEN_EXEC)
  ) {
    var nativeRegExpMethod = /./[SYMBOL];
    var methods = exec(SYMBOL, ''[KEY], function (nativeMethod, regexp, str, arg2, forceStringMethod) {
      if (regexp.exec === regexpExec) {
        if (DELEGATES_TO_SYMBOL && !forceStringMethod) {
          // The native String method already delegates to @@method (this
          // polyfilled function), leasing to infinite recursion.
          // We avoid it by directly calling the native @@method method.
          return { done: true, value: nativeRegExpMethod.call(regexp, str, arg2) };
        }
        return { done: true, value: nativeMethod.call(str, regexp, arg2) };
      }
      return { done: false };
    }, {
      REPLACE_KEEPS_$0: REPLACE_KEEPS_$0,
      REGEXP_REPLACE_SUBSTITUTES_UNDEFINED_CAPTURE: REGEXP_REPLACE_SUBSTITUTES_UNDEFINED_CAPTURE
    });
    var stringMethod = methods[0];
    var regexMethod = methods[1];

    redefine(String.prototype, KEY, stringMethod);
    redefine(RegExp.prototype, SYMBOL, length == 2
      // 21.2.5.8 RegExp.prototype[@@replace](string, replaceValue)
      // 21.2.5.11 RegExp.prototype[@@split](string, limit)
      ? function (string, arg) { return regexMethod.call(string, this, arg); }
      // 21.2.5.6 RegExp.prototype[@@match](string)
      // 21.2.5.9 RegExp.prototype[@@search](string)
      : function (string) { return regexMethod.call(string, this); }
    );
  }

  if (sham) createNonEnumerableProperty(RegExp.prototype[SYMBOL], 'sham', true);
};


/***/ }),

/***/ "d81d":
/***/ (function(module, exports, __webpack_require__) {

"use strict";

var $ = __webpack_require__("23e7");
var $map = __webpack_require__("b727").map;
var arrayMethodHasSpeciesSupport = __webpack_require__("1dde");
var arrayMethodUsesToLength = __webpack_require__("ae40");

var HAS_SPECIES_SUPPORT = arrayMethodHasSpeciesSupport('map');
// FF49- issue
var USES_TO_LENGTH = arrayMethodUsesToLength('map');

// `Array.prototype.map` method
// https://tc39.github.io/ecma262/#sec-array.prototype.map
// with adding support of @@species
$({ target: 'Array', proto: true, forced: !HAS_SPECIES_SUPPORT || !USES_TO_LENGTH }, {
  map: function map(callbackfn /* , thisArg */) {
    return $map(this, callbackfn, arguments.length > 1 ? arguments[1] : undefined);
  }
});


/***/ }),

/***/ "da84":
/***/ (function(module, exports, __webpack_require__) {

/* WEBPACK VAR INJECTION */(function(global) {var check = function (it) {
  return it && it.Math == Math && it;
};

// https://github.com/zloirock/core-js/issues/86#issuecomment-115759028
module.exports =
  // eslint-disable-next-line no-undef
  check(typeof globalThis == 'object' && globalThis) ||
  check(typeof window == 'object' && window) ||
  check(typeof self == 'object' && self) ||
  check(typeof global == 'object' && global) ||
  // eslint-disable-next-line no-new-func
  Function('return this')();

/* WEBPACK VAR INJECTION */}.call(this, __webpack_require__("c8ba")))

/***/ }),

/***/ "dbb4":
/***/ (function(module, exports, __webpack_require__) {

var $ = __webpack_require__("23e7");
var DESCRIPTORS = __webpack_require__("83ab");
var ownKeys = __webpack_require__("56ef");
var toIndexedObject = __webpack_require__("fc6a");
var getOwnPropertyDescriptorModule = __webpack_require__("06cf");
var createProperty = __webpack_require__("8418");

// `Object.getOwnPropertyDescriptors` method
// https://tc39.github.io/ecma262/#sec-object.getownpropertydescriptors
$({ target: 'Object', stat: true, sham: !DESCRIPTORS }, {
  getOwnPropertyDescriptors: function getOwnPropertyDescriptors(object) {
    var O = toIndexedObject(object);
    var getOwnPropertyDescriptor = getOwnPropertyDescriptorModule.f;
    var keys = ownKeys(O);
    var result = {};
    var index = 0;
    var key, descriptor;
    while (keys.length > index) {
      descriptor = getOwnPropertyDescriptor(O, key = keys[index++]);
      if (descriptor !== undefined) createProperty(result, key, descriptor);
    }
    return result;
  }
});


/***/ }),

/***/ "ddb0":
/***/ (function(module, exports, __webpack_require__) {

var global = __webpack_require__("da84");
var DOMIterables = __webpack_require__("fdbc");
var ArrayIteratorMethods = __webpack_require__("e260");
var createNonEnumerableProperty = __webpack_require__("9112");
var wellKnownSymbol = __webpack_require__("b622");

var ITERATOR = wellKnownSymbol('iterator');
var TO_STRING_TAG = wellKnownSymbol('toStringTag');
var ArrayValues = ArrayIteratorMethods.values;

for (var COLLECTION_NAME in DOMIterables) {
  var Collection = global[COLLECTION_NAME];
  var CollectionPrototype = Collection && Collection.prototype;
  if (CollectionPrototype) {
    // some Chrome versions have non-configurable methods on DOMTokenList
    if (CollectionPrototype[ITERATOR] !== ArrayValues) try {
      createNonEnumerableProperty(CollectionPrototype, ITERATOR, ArrayValues);
    } catch (error) {
      CollectionPrototype[ITERATOR] = ArrayValues;
    }
    if (!CollectionPrototype[TO_STRING_TAG]) {
      createNonEnumerableProperty(CollectionPrototype, TO_STRING_TAG, COLLECTION_NAME);
    }
    if (DOMIterables[COLLECTION_NAME]) for (var METHOD_NAME in ArrayIteratorMethods) {
      // some Chrome versions have non-configurable methods on DOMTokenList
      if (CollectionPrototype[METHOD_NAME] !== ArrayIteratorMethods[METHOD_NAME]) try {
        createNonEnumerableProperty(CollectionPrototype, METHOD_NAME, ArrayIteratorMethods[METHOD_NAME]);
      } catch (error) {
        CollectionPrototype[METHOD_NAME] = ArrayIteratorMethods[METHOD_NAME];
      }
    }
  }
}


/***/ }),

/***/ "df75":
/***/ (function(module, exports, __webpack_require__) {

var internalObjectKeys = __webpack_require__("ca84");
var enumBugKeys = __webpack_require__("7839");

// `Object.keys` method
// https://tc39.github.io/ecma262/#sec-object.keys
module.exports = Object.keys || function keys(O) {
  return internalObjectKeys(O, enumBugKeys);
};


/***/ }),

/***/ "e01a":
/***/ (function(module, exports, __webpack_require__) {

"use strict";
// `Symbol.prototype.description` getter
// https://tc39.github.io/ecma262/#sec-symbol.prototype.description

var $ = __webpack_require__("23e7");
var DESCRIPTORS = __webpack_require__("83ab");
var global = __webpack_require__("da84");
var has = __webpack_require__("5135");
var isObject = __webpack_require__("861d");
var defineProperty = __webpack_require__("9bf2").f;
var copyConstructorProperties = __webpack_require__("e893");

var NativeSymbol = global.Symbol;

if (DESCRIPTORS && typeof NativeSymbol == 'function' && (!('description' in NativeSymbol.prototype) ||
  // Safari 12 bug
  NativeSymbol().description !== undefined
)) {
  var EmptyStringDescriptionStore = {};
  // wrap Symbol constructor for correct work with undefined description
  var SymbolWrapper = function Symbol() {
    var description = arguments.length < 1 || arguments[0] === undefined ? undefined : String(arguments[0]);
    var result = this instanceof SymbolWrapper
      ? new NativeSymbol(description)
      // in Edge 13, String(Symbol(undefined)) === 'Symbol(undefined)'
      : description === undefined ? NativeSymbol() : NativeSymbol(description);
    if (description === '') EmptyStringDescriptionStore[result] = true;
    return result;
  };
  copyConstructorProperties(SymbolWrapper, NativeSymbol);
  var symbolPrototype = SymbolWrapper.prototype = NativeSymbol.prototype;
  symbolPrototype.constructor = SymbolWrapper;

  var symbolToString = symbolPrototype.toString;
  var native = String(NativeSymbol('test')) == 'Symbol(test)';
  var regexp = /^Symbol\((.*)\)[^)]+$/;
  defineProperty(symbolPrototype, 'description', {
    configurable: true,
    get: function description() {
      var symbol = isObject(this) ? this.valueOf() : this;
      var string = symbolToString.call(symbol);
      if (has(EmptyStringDescriptionStore, symbol)) return '';
      var desc = native ? string.slice(7, -1) : string.replace(regexp, '$1');
      return desc === '' ? undefined : desc;
    }
  });

  $({ global: true, forced: true }, {
    Symbol: SymbolWrapper
  });
}


/***/ }),

/***/ "e163":
/***/ (function(module, exports, __webpack_require__) {

var has = __webpack_require__("5135");
var toObject = __webpack_require__("7b0b");
var sharedKey = __webpack_require__("f772");
var CORRECT_PROTOTYPE_GETTER = __webpack_require__("e177");

var IE_PROTO = sharedKey('IE_PROTO');
var ObjectPrototype = Object.prototype;

// `Object.getPrototypeOf` method
// https://tc39.github.io/ecma262/#sec-object.getprototypeof
module.exports = CORRECT_PROTOTYPE_GETTER ? Object.getPrototypeOf : function (O) {
  O = toObject(O);
  if (has(O, IE_PROTO)) return O[IE_PROTO];
  if (typeof O.constructor == 'function' && O instanceof O.constructor) {
    return O.constructor.prototype;
  } return O instanceof Object ? ObjectPrototype : null;
};


/***/ }),

/***/ "e177":
/***/ (function(module, exports, __webpack_require__) {

var fails = __webpack_require__("d039");

module.exports = !fails(function () {
  function F() { /* empty */ }
  F.prototype.constructor = null;
  return Object.getPrototypeOf(new F()) !== F.prototype;
});


/***/ }),

/***/ "e260":
/***/ (function(module, exports, __webpack_require__) {

"use strict";

var toIndexedObject = __webpack_require__("fc6a");
var addToUnscopables = __webpack_require__("44d2");
var Iterators = __webpack_require__("3f8c");
var InternalStateModule = __webpack_require__("69f3");
var defineIterator = __webpack_require__("7dd0");

var ARRAY_ITERATOR = 'Array Iterator';
var setInternalState = InternalStateModule.set;
var getInternalState = InternalStateModule.getterFor(ARRAY_ITERATOR);

// `Array.prototype.entries` method
// https://tc39.github.io/ecma262/#sec-array.prototype.entries
// `Array.prototype.keys` method
// https://tc39.github.io/ecma262/#sec-array.prototype.keys
// `Array.prototype.values` method
// https://tc39.github.io/ecma262/#sec-array.prototype.values
// `Array.prototype[@@iterator]` method
// https://tc39.github.io/ecma262/#sec-array.prototype-@@iterator
// `CreateArrayIterator` internal method
// https://tc39.github.io/ecma262/#sec-createarrayiterator
module.exports = defineIterator(Array, 'Array', function (iterated, kind) {
  setInternalState(this, {
    type: ARRAY_ITERATOR,
    target: toIndexedObject(iterated), // target
    index: 0,                          // next index
    kind: kind                         // kind
  });
// `%ArrayIteratorPrototype%.next` method
// https://tc39.github.io/ecma262/#sec-%arrayiteratorprototype%.next
}, function () {
  var state = getInternalState(this);
  var target = state.target;
  var kind = state.kind;
  var index = state.index++;
  if (!target || index >= target.length) {
    state.target = undefined;
    return { value: undefined, done: true };
  }
  if (kind == 'keys') return { value: index, done: false };
  if (kind == 'values') return { value: target[index], done: false };
  return { value: [index, target[index]], done: false };
}, 'values');

// argumentsList[@@iterator] is %ArrayProto_values%
// https://tc39.github.io/ecma262/#sec-createunmappedargumentsobject
// https://tc39.github.io/ecma262/#sec-createmappedargumentsobject
Iterators.Arguments = Iterators.Array;

// https://tc39.github.io/ecma262/#sec-array.prototype-@@unscopables
addToUnscopables('keys');
addToUnscopables('values');
addToUnscopables('entries');


/***/ }),

/***/ "e2cc":
/***/ (function(module, exports, __webpack_require__) {

var redefine = __webpack_require__("6eeb");

module.exports = function (target, src, options) {
  for (var key in src) redefine(target, key, src[key], options);
  return target;
};


/***/ }),

/***/ "e439":
/***/ (function(module, exports, __webpack_require__) {

var $ = __webpack_require__("23e7");
var fails = __webpack_require__("d039");
var toIndexedObject = __webpack_require__("fc6a");
var nativeGetOwnPropertyDescriptor = __webpack_require__("06cf").f;
var DESCRIPTORS = __webpack_require__("83ab");

var FAILS_ON_PRIMITIVES = fails(function () { nativeGetOwnPropertyDescriptor(1); });
var FORCED = !DESCRIPTORS || FAILS_ON_PRIMITIVES;

// `Object.getOwnPropertyDescriptor` method
// https://tc39.github.io/ecma262/#sec-object.getownpropertydescriptor
$({ target: 'Object', stat: true, forced: FORCED, sham: !DESCRIPTORS }, {
  getOwnPropertyDescriptor: function getOwnPropertyDescriptor(it, key) {
    return nativeGetOwnPropertyDescriptor(toIndexedObject(it), key);
  }
});


/***/ }),

/***/ "e538":
/***/ (function(module, exports, __webpack_require__) {

var wellKnownSymbol = __webpack_require__("b622");

exports.f = wellKnownSymbol;


/***/ }),

/***/ "e62d":
/***/ (function(module, exports, __webpack_require__) {

"use strict";


exports.__esModule = true;

exports.default = function () {
  if (_vue2.default.prototype.$isServer) return 0;
  if (scrollBarWidth !== undefined) return scrollBarWidth;

  var outer = document.createElement('div');
  outer.className = 'el-scrollbar__wrap';
  outer.style.visibility = 'hidden';
  outer.style.width = '100px';
  outer.style.position = 'absolute';
  outer.style.top = '-9999px';
  document.body.appendChild(outer);

  var widthNoScroll = outer.offsetWidth;
  outer.style.overflow = 'scroll';

  var inner = document.createElement('div');
  inner.style.width = '100%';
  outer.appendChild(inner);

  var widthWithScroll = inner.offsetWidth;
  outer.parentNode.removeChild(outer);
  scrollBarWidth = widthNoScroll - widthWithScroll;

  return scrollBarWidth;
};

var _vue = __webpack_require__("8bbf");

var _vue2 = _interopRequireDefault(_vue);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

var scrollBarWidth = void 0;

;

/***/ }),

/***/ "e893":
/***/ (function(module, exports, __webpack_require__) {

var has = __webpack_require__("5135");
var ownKeys = __webpack_require__("56ef");
var getOwnPropertyDescriptorModule = __webpack_require__("06cf");
var definePropertyModule = __webpack_require__("9bf2");

module.exports = function (target, source) {
  var keys = ownKeys(source);
  var defineProperty = definePropertyModule.f;
  var getOwnPropertyDescriptor = getOwnPropertyDescriptorModule.f;
  for (var i = 0; i < keys.length; i++) {
    var key = keys[i];
    if (!has(target, key)) defineProperty(target, key, getOwnPropertyDescriptor(source, key));
  }
};


/***/ }),

/***/ "e8b5":
/***/ (function(module, exports, __webpack_require__) {

var classof = __webpack_require__("c6b6");

// `IsArray` abstract operation
// https://tc39.github.io/ecma262/#sec-isarray
module.exports = Array.isArray || function isArray(arg) {
  return classof(arg) == 'Array';
};


/***/ }),

/***/ "e95a":
/***/ (function(module, exports, __webpack_require__) {

var wellKnownSymbol = __webpack_require__("b622");
var Iterators = __webpack_require__("3f8c");

var ITERATOR = wellKnownSymbol('iterator');
var ArrayPrototype = Array.prototype;

// check on default Array iterator
module.exports = function (it) {
  return it !== undefined && (Iterators.Array === it || ArrayPrototype[ITERATOR] === it);
};


/***/ }),

/***/ "e9b3":
/***/ (function(module, exports, __webpack_require__) {

/* WEBPACK VAR INJECTION */(function(global) {var win;

if (typeof window !== "undefined") {
    win = window;
} else if (typeof global !== "undefined") {
    win = global;
} else if (typeof self !== "undefined"){
    win = self;
} else {
    win = {};
}

module.exports = win;

/* WEBPACK VAR INJECTION */}.call(this, __webpack_require__("c8ba")))

/***/ }),

/***/ "eb08":
/***/ (function(module, exports, __webpack_require__) {

// extracted by mini-css-extract-plugin

/***/ }),

/***/ "eec7":
/***/ (function(module, exports, __webpack_require__) {

"use strict";

var window = __webpack_require__("e9b3")
var isFunction = __webpack_require__("8362")
var parseHeaders = __webpack_require__("6444")
var xtend = __webpack_require__("53a8")

module.exports = createXHR
createXHR.XMLHttpRequest = window.XMLHttpRequest || noop
createXHR.XDomainRequest = "withCredentials" in (new createXHR.XMLHttpRequest()) ? createXHR.XMLHttpRequest : window.XDomainRequest

forEachArray(["get", "put", "post", "patch", "head", "delete"], function(method) {
    createXHR[method === "delete" ? "del" : method] = function(uri, options, callback) {
        options = initParams(uri, options, callback)
        options.method = method.toUpperCase()
        return _createXHR(options)
    }
})

function forEachArray(array, iterator) {
    for (var i = 0; i < array.length; i++) {
        iterator(array[i])
    }
}

function isEmpty(obj){
    for(var i in obj){
        if(obj.hasOwnProperty(i)) return false
    }
    return true
}

function initParams(uri, options, callback) {
    var params = uri

    if (isFunction(options)) {
        callback = options
        if (typeof uri === "string") {
            params = {uri:uri}
        }
    } else {
        params = xtend(options, {uri: uri})
    }

    params.callback = callback
    return params
}

function createXHR(uri, options, callback) {
    options = initParams(uri, options, callback)
    return _createXHR(options)
}

function _createXHR(options) {
    if(typeof options.callback === "undefined"){
        throw new Error("callback argument missing")
    }

    var called = false
    var callback = function cbOnce(err, response, body){
        if(!called){
            called = true
            options.callback(err, response, body)
        }
    }

    function readystatechange() {
        if (xhr.readyState === 4) {
            setTimeout(loadFunc, 0)
        }
    }

    function getBody() {
        // Chrome with requestType=blob throws errors arround when even testing access to responseText
        var body = undefined

        if (xhr.response) {
            body = xhr.response
        } else {
            body = xhr.responseText || getXml(xhr)
        }

        if (isJson) {
            try {
                body = JSON.parse(body)
            } catch (e) {}
        }

        return body
    }

    function errorFunc(evt) {
        clearTimeout(timeoutTimer)
        if(!(evt instanceof Error)){
            evt = new Error("" + (evt || "Unknown XMLHttpRequest Error") )
        }
        evt.statusCode = 0
        return callback(evt, failureResponse)
    }

    // will load the data & process the response in a special response object
    function loadFunc() {
        if (aborted) return
        var status
        clearTimeout(timeoutTimer)
        if(options.useXDR && xhr.status===undefined) {
            //IE8 CORS GET successful response doesn't have a status field, but body is fine
            status = 200
        } else {
            status = (xhr.status === 1223 ? 204 : xhr.status)
        }
        var response = failureResponse
        var err = null

        if (status !== 0){
            response = {
                body: getBody(),
                statusCode: status,
                method: method,
                headers: {},
                url: uri,
                rawRequest: xhr
            }
            if(xhr.getAllResponseHeaders){ //remember xhr can in fact be XDR for CORS in IE
                response.headers = parseHeaders(xhr.getAllResponseHeaders())
            }
        } else {
            err = new Error("Internal XMLHttpRequest Error")
        }
        return callback(err, response, response.body)
    }

    var xhr = options.xhr || null

    if (!xhr) {
        if (options.cors || options.useXDR) {
            xhr = new createXHR.XDomainRequest()
        }else{
            xhr = new createXHR.XMLHttpRequest()
        }
    }

    var key
    var aborted
    var uri = xhr.url = options.uri || options.url
    var method = xhr.method = options.method || "GET"
    var body = options.body || options.data
    var headers = xhr.headers = options.headers || {}
    var sync = !!options.sync
    var isJson = false
    var timeoutTimer
    var failureResponse = {
        body: undefined,
        headers: {},
        statusCode: 0,
        method: method,
        url: uri,
        rawRequest: xhr
    }

    if ("json" in options && options.json !== false) {
        isJson = true
        headers["accept"] || headers["Accept"] || (headers["Accept"] = "application/json") //Don't override existing accept header declared by user
        if (method !== "GET" && method !== "HEAD") {
            headers["content-type"] || headers["Content-Type"] || (headers["Content-Type"] = "application/json") //Don't override existing accept header declared by user
            body = JSON.stringify(options.json === true ? body : options.json)
        }
    }

    xhr.onreadystatechange = readystatechange
    xhr.onload = loadFunc
    xhr.onerror = errorFunc
    // IE9 must have onprogress be set to a unique function.
    xhr.onprogress = function () {
        // IE must die
    }
    xhr.onabort = function(){
        aborted = true;
    }
    xhr.ontimeout = errorFunc
    xhr.open(method, uri, !sync, options.username, options.password)
    //has to be after open
    if(!sync) {
        xhr.withCredentials = !!options.withCredentials
    }
    // Cannot set timeout with sync request
    // not setting timeout on the xhr object, because of old webkits etc. not handling that correctly
    // both npm's request and jquery 1.x use this kind of timeout, so this is being consistent
    if (!sync && options.timeout > 0 ) {
        timeoutTimer = setTimeout(function(){
            if (aborted) return
            aborted = true//IE9 may still call readystatechange
            xhr.abort("timeout")
            var e = new Error("XMLHttpRequest timeout")
            e.code = "ETIMEDOUT"
            errorFunc(e)
        }, options.timeout )
    }

    if (xhr.setRequestHeader) {
        for(key in headers){
            if(headers.hasOwnProperty(key)){
                xhr.setRequestHeader(key, headers[key])
            }
        }
    } else if (options.headers && !isEmpty(options.headers)) {
        throw new Error("Headers cannot be set on an XDomainRequest object")
    }

    if ("responseType" in options) {
        xhr.responseType = options.responseType
    }

    if ("beforeSend" in options &&
        typeof options.beforeSend === "function"
    ) {
        options.beforeSend(xhr)
    }

    // Microsoft Edge browser sends "undefined" when send is called with undefined value.
    // XMLHttpRequest spec says to pass null as body to indicate no body
    // See https://github.com/naugtur/xhr/issues/100.
    xhr.send(body || null)

    return xhr


}

function getXml(xhr) {
    if (xhr.responseType === "document") {
        return xhr.responseXML
    }
    var firefoxBugTakenEffect = xhr.responseXML && xhr.responseXML.documentElement.nodeName === "parsererror"
    if (xhr.responseType === "" && !firefoxBugTakenEffect) {
        return xhr.responseXML
    }

    return null
}

function noop() {}


/***/ }),

/***/ "f529":
/***/ (function(module, exports, __webpack_require__) {

module.exports =
/******/ (function(modules) { // webpackBootstrap
/******/ 	// The module cache
/******/ 	var installedModules = {};
/******/
/******/ 	// The require function
/******/ 	function __webpack_require__(moduleId) {
/******/
/******/ 		// Check if module is in cache
/******/ 		if(installedModules[moduleId]) {
/******/ 			return installedModules[moduleId].exports;
/******/ 		}
/******/ 		// Create a new module (and put it into the cache)
/******/ 		var module = installedModules[moduleId] = {
/******/ 			i: moduleId,
/******/ 			l: false,
/******/ 			exports: {}
/******/ 		};
/******/
/******/ 		// Execute the module function
/******/ 		modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);
/******/
/******/ 		// Flag the module as loaded
/******/ 		module.l = true;
/******/
/******/ 		// Return the exports of the module
/******/ 		return module.exports;
/******/ 	}
/******/
/******/
/******/ 	// expose the modules object (__webpack_modules__)
/******/ 	__webpack_require__.m = modules;
/******/
/******/ 	// expose the module cache
/******/ 	__webpack_require__.c = installedModules;
/******/
/******/ 	// define getter function for harmony exports
/******/ 	__webpack_require__.d = function(exports, name, getter) {
/******/ 		if(!__webpack_require__.o(exports, name)) {
/******/ 			Object.defineProperty(exports, name, { enumerable: true, get: getter });
/******/ 		}
/******/ 	};
/******/
/******/ 	// define __esModule on exports
/******/ 	__webpack_require__.r = function(exports) {
/******/ 		if(typeof Symbol !== 'undefined' && Symbol.toStringTag) {
/******/ 			Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });
/******/ 		}
/******/ 		Object.defineProperty(exports, '__esModule', { value: true });
/******/ 	};
/******/
/******/ 	// create a fake namespace object
/******/ 	// mode & 1: value is a module id, require it
/******/ 	// mode & 2: merge all properties of value into the ns
/******/ 	// mode & 4: return value when already ns object
/******/ 	// mode & 8|1: behave like require
/******/ 	__webpack_require__.t = function(value, mode) {
/******/ 		if(mode & 1) value = __webpack_require__(value);
/******/ 		if(mode & 8) return value;
/******/ 		if((mode & 4) && typeof value === 'object' && value && value.__esModule) return value;
/******/ 		var ns = Object.create(null);
/******/ 		__webpack_require__.r(ns);
/******/ 		Object.defineProperty(ns, 'default', { enumerable: true, value: value });
/******/ 		if(mode & 2 && typeof value != 'string') for(var key in value) __webpack_require__.d(ns, key, function(key) { return value[key]; }.bind(null, key));
/******/ 		return ns;
/******/ 	};
/******/
/******/ 	// getDefaultExport function for compatibility with non-harmony modules
/******/ 	__webpack_require__.n = function(module) {
/******/ 		var getter = module && module.__esModule ?
/******/ 			function getDefault() { return module['default']; } :
/******/ 			function getModuleExports() { return module; };
/******/ 		__webpack_require__.d(getter, 'a', getter);
/******/ 		return getter;
/******/ 	};
/******/
/******/ 	// Object.prototype.hasOwnProperty.call
/******/ 	__webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };
/******/
/******/ 	// __webpack_public_path__
/******/ 	__webpack_require__.p = "/dist/";
/******/
/******/
/******/ 	// Load entry module and return exports
/******/ 	return __webpack_require__(__webpack_require__.s = 75);
/******/ })
/************************************************************************/
/******/ ({

/***/ 0:
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "a", function() { return normalizeComponent; });
/* globals __VUE_SSR_CONTEXT__ */

// IMPORTANT: Do NOT use ES2015 features in this file (except for modules).
// This module is a runtime utility for cleaner component module output and will
// be included in the final webpack user bundle.

function normalizeComponent (
  scriptExports,
  render,
  staticRenderFns,
  functionalTemplate,
  injectStyles,
  scopeId,
  moduleIdentifier, /* server only */
  shadowMode /* vue-cli only */
) {
  // Vue.extend constructor export interop
  var options = typeof scriptExports === 'function'
    ? scriptExports.options
    : scriptExports

  // render functions
  if (render) {
    options.render = render
    options.staticRenderFns = staticRenderFns
    options._compiled = true
  }

  // functional template
  if (functionalTemplate) {
    options.functional = true
  }

  // scopedId
  if (scopeId) {
    options._scopeId = 'data-v-' + scopeId
  }

  var hook
  if (moduleIdentifier) { // server build
    hook = function (context) {
      // 2.3 injection
      context =
        context || // cached call
        (this.$vnode && this.$vnode.ssrContext) || // stateful
        (this.parent && this.parent.$vnode && this.parent.$vnode.ssrContext) // functional
      // 2.2 with runInNewContext: true
      if (!context && typeof __VUE_SSR_CONTEXT__ !== 'undefined') {
        context = __VUE_SSR_CONTEXT__
      }
      // inject component styles
      if (injectStyles) {
        injectStyles.call(this, context)
      }
      // register component module identifier for async chunk inferrence
      if (context && context._registeredComponents) {
        context._registeredComponents.add(moduleIdentifier)
      }
    }
    // used by ssr in case component is cached and beforeCreate
    // never gets called
    options._ssrRegister = hook
  } else if (injectStyles) {
    hook = shadowMode
      ? function () { injectStyles.call(this, this.$root.$options.shadowRoot) }
      : injectStyles
  }

  if (hook) {
    if (options.functional) {
      // for template-only hot-reload because in that case the render fn doesn't
      // go through the normalizer
      options._injectStyles = hook
      // register for functioal component in vue file
      var originalRender = options.render
      options.render = function renderWithStyleInjection (h, context) {
        hook.call(context)
        return originalRender(h, context)
      }
    } else {
      // inject component registration as beforeCreate hook
      var existing = options.beforeCreate
      options.beforeCreate = existing
        ? [].concat(existing, hook)
        : [hook]
    }
  }

  return {
    exports: scriptExports,
    options: options
  }
}


/***/ }),

/***/ 15:
/***/ (function(module, exports) {

module.exports = __webpack_require__("5128");

/***/ }),

/***/ 23:
/***/ (function(module, exports) {

module.exports = __webpack_require__("41f8");

/***/ }),

/***/ 7:
/***/ (function(module, exports) {

module.exports = __webpack_require__("8bbf");

/***/ }),

/***/ 75:
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);

// EXTERNAL MODULE: external "vue"
var external_vue_ = __webpack_require__(7);
var external_vue_default = /*#__PURE__*/__webpack_require__.n(external_vue_);

// CONCATENATED MODULE: ./node_modules/vue-loader/lib/loaders/templateLoader.js??vue-loader-options!./node_modules/vue-loader/lib??vue-loader-options!./packages/message/src/main.vue?vue&type=template&id=455b9f60&
var render = function() {
  var _vm = this
  var _h = _vm.$createElement
  var _c = _vm._self._c || _h
  return _c(
    "transition",
    {
      attrs: { name: "el-message-fade" },
      on: { "after-leave": _vm.handleAfterLeave }
    },
    [
      _c(
        "div",
        {
          directives: [
            {
              name: "show",
              rawName: "v-show",
              value: _vm.visible,
              expression: "visible"
            }
          ],
          class: [
            "el-message",
            _vm.type && !_vm.iconClass ? "el-message--" + _vm.type : "",
            _vm.center ? "is-center" : "",
            _vm.showClose ? "is-closable" : "",
            _vm.customClass
          ],
          style: _vm.positionStyle,
          attrs: { role: "alert" },
          on: { mouseenter: _vm.clearTimer, mouseleave: _vm.startTimer }
        },
        [
          _vm.iconClass
            ? _c("i", { class: _vm.iconClass })
            : _c("i", { class: _vm.typeClass }),
          _vm._t("default", [
            !_vm.dangerouslyUseHTMLString
              ? _c("p", { staticClass: "el-message__content" }, [
                  _vm._v(_vm._s(_vm.message))
                ])
              : _c("p", {
                  staticClass: "el-message__content",
                  domProps: { innerHTML: _vm._s(_vm.message) }
                })
          ]),
          _vm.showClose
            ? _c("i", {
                staticClass: "el-message__closeBtn el-icon-close",
                on: { click: _vm.close }
              })
            : _vm._e()
        ],
        2
      )
    ]
  )
}
var staticRenderFns = []
render._withStripped = true


// CONCATENATED MODULE: ./packages/message/src/main.vue?vue&type=template&id=455b9f60&

// CONCATENATED MODULE: ./node_modules/babel-loader/lib!./node_modules/vue-loader/lib??vue-loader-options!./packages/message/src/main.vue?vue&type=script&lang=js&
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//

var typeMap = {
  success: 'success',
  info: 'info',
  warning: 'warning',
  error: 'error'
};

/* harmony default export */ var mainvue_type_script_lang_js_ = ({
  data: function data() {
    return {
      visible: false,
      message: '',
      duration: 3000,
      type: 'info',
      iconClass: '',
      customClass: '',
      onClose: null,
      showClose: false,
      closed: false,
      verticalOffset: 20,
      timer: null,
      dangerouslyUseHTMLString: false,
      center: false
    };
  },


  computed: {
    typeClass: function typeClass() {
      return this.type && !this.iconClass ? 'el-message__icon el-icon-' + typeMap[this.type] : '';
    },
    positionStyle: function positionStyle() {
      return {
        'top': this.verticalOffset + 'px'
      };
    }
  },

  watch: {
    closed: function closed(newVal) {
      if (newVal) {
        this.visible = false;
      }
    }
  },

  methods: {
    handleAfterLeave: function handleAfterLeave() {
      this.$destroy(true);
      this.$el.parentNode.removeChild(this.$el);
    },
    close: function close() {
      this.closed = true;
      if (typeof this.onClose === 'function') {
        this.onClose(this);
      }
    },
    clearTimer: function clearTimer() {
      clearTimeout(this.timer);
    },
    startTimer: function startTimer() {
      var _this = this;

      if (this.duration > 0) {
        this.timer = setTimeout(function () {
          if (!_this.closed) {
            _this.close();
          }
        }, this.duration);
      }
    },
    keydown: function keydown(e) {
      if (e.keyCode === 27) {
        // esc关闭消息
        if (!this.closed) {
          this.close();
        }
      }
    }
  },
  mounted: function mounted() {
    this.startTimer();
    document.addEventListener('keydown', this.keydown);
  },
  beforeDestroy: function beforeDestroy() {
    document.removeEventListener('keydown', this.keydown);
  }
});
// CONCATENATED MODULE: ./packages/message/src/main.vue?vue&type=script&lang=js&
 /* harmony default export */ var src_mainvue_type_script_lang_js_ = (mainvue_type_script_lang_js_); 
// EXTERNAL MODULE: ./node_modules/vue-loader/lib/runtime/componentNormalizer.js
var componentNormalizer = __webpack_require__(0);

// CONCATENATED MODULE: ./packages/message/src/main.vue





/* normalize component */

var component = Object(componentNormalizer["a" /* default */])(
  src_mainvue_type_script_lang_js_,
  render,
  staticRenderFns,
  false,
  null,
  null,
  null
  
)

/* hot reload */
if (false) { var api; }
component.options.__file = "packages/message/src/main.vue"
/* harmony default export */ var main = (component.exports);
// EXTERNAL MODULE: external "element-ui/lib/utils/popup"
var popup_ = __webpack_require__(15);

// EXTERNAL MODULE: external "element-ui/lib/utils/vdom"
var vdom_ = __webpack_require__(23);

// CONCATENATED MODULE: ./packages/message/src/main.js




var MessageConstructor = external_vue_default.a.extend(main);

var instance = void 0;
var instances = [];
var seed = 1;

var main_Message = function Message(options) {
  if (external_vue_default.a.prototype.$isServer) return;
  options = options || {};
  if (typeof options === 'string') {
    options = {
      message: options
    };
  }
  var userOnClose = options.onClose;
  var id = 'message_' + seed++;

  options.onClose = function () {
    Message.close(id, userOnClose);
  };
  instance = new MessageConstructor({
    data: options
  });
  instance.id = id;
  if (Object(vdom_["isVNode"])(instance.message)) {
    instance.$slots.default = [instance.message];
    instance.message = null;
  }
  instance.$mount();
  document.body.appendChild(instance.$el);
  var verticalOffset = options.offset || 20;
  instances.forEach(function (item) {
    verticalOffset += item.$el.offsetHeight + 16;
  });
  instance.verticalOffset = verticalOffset;
  instance.visible = true;
  instance.$el.style.zIndex = popup_["PopupManager"].nextZIndex();
  instances.push(instance);
  return instance;
};

['success', 'warning', 'info', 'error'].forEach(function (type) {
  main_Message[type] = function (options) {
    if (typeof options === 'string') {
      options = {
        message: options
      };
    }
    options.type = type;
    return main_Message(options);
  };
});

main_Message.close = function (id, userOnClose) {
  var len = instances.length;
  var index = -1;
  var removedHeight = void 0;
  for (var i = 0; i < len; i++) {
    if (id === instances[i].id) {
      removedHeight = instances[i].$el.offsetHeight;
      index = i;
      if (typeof userOnClose === 'function') {
        userOnClose(instances[i]);
      }
      instances.splice(i, 1);
      break;
    }
  }
  if (len <= 1 || index === -1 || index > instances.length - 1) return;
  for (var _i = index; _i < len - 1; _i++) {
    var dom = instances[_i].$el;
    dom.style['top'] = parseInt(dom.style['top'], 10) - removedHeight - 16 + 'px';
  }
};

main_Message.closeAll = function () {
  for (var i = instances.length - 1; i >= 0; i--) {
    instances[i].close();
  }
};

/* harmony default export */ var src_main = (main_Message);
// CONCATENATED MODULE: ./packages/message/index.js

/* harmony default export */ var message = __webpack_exports__["default"] = (src_main);

/***/ })

/******/ });

/***/ }),

/***/ "f5df":
/***/ (function(module, exports, __webpack_require__) {

var TO_STRING_TAG_SUPPORT = __webpack_require__("00ee");
var classofRaw = __webpack_require__("c6b6");
var wellKnownSymbol = __webpack_require__("b622");

var TO_STRING_TAG = wellKnownSymbol('toStringTag');
// ES3 wrong here
var CORRECT_ARGUMENTS = classofRaw(function () { return arguments; }()) == 'Arguments';

// fallback for IE11 Script Access Denied error
var tryGet = function (it, key) {
  try {
    return it[key];
  } catch (error) { /* empty */ }
};

// getting tag from ES6+ `Object.prototype.toString`
module.exports = TO_STRING_TAG_SUPPORT ? classofRaw : function (it) {
  var O, tag, result;
  return it === undefined ? 'Undefined' : it === null ? 'Null'
    // @@toStringTag case
    : typeof (tag = tryGet(O = Object(it), TO_STRING_TAG)) == 'string' ? tag
    // builtinTag case
    : CORRECT_ARGUMENTS ? classofRaw(O)
    // ES3 arguments fallback
    : (result = classofRaw(O)) == 'Object' && typeof O.callee == 'function' ? 'Arguments' : result;
};


/***/ }),

/***/ "f772":
/***/ (function(module, exports, __webpack_require__) {

var shared = __webpack_require__("5692");
var uid = __webpack_require__("90e3");

var keys = shared('keys');

module.exports = function (key) {
  return keys[key] || (keys[key] = uid(key));
};


/***/ }),

/***/ "f97d":
/***/ (function(module, exports) {

/**
 * Copyright 2013 vtt.js Contributors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

var scrollSetting = {
  "": true,
  "up": true
};

function findScrollSetting(value) {
  if (typeof value !== "string") {
    return false;
  }
  var scroll = scrollSetting[value.toLowerCase()];
  return scroll ? value.toLowerCase() : false;
}

function isValidPercentValue(value) {
  return typeof value === "number" && (value >= 0 && value <= 100);
}

// VTTRegion shim http://dev.w3.org/html5/webvtt/#vttregion-interface
function VTTRegion() {
  var _width = 100;
  var _lines = 3;
  var _regionAnchorX = 0;
  var _regionAnchorY = 100;
  var _viewportAnchorX = 0;
  var _viewportAnchorY = 100;
  var _scroll = "";

  Object.defineProperties(this, {
    "width": {
      enumerable: true,
      get: function() {
        return _width;
      },
      set: function(value) {
        if (!isValidPercentValue(value)) {
          throw new Error("Width must be between 0 and 100.");
        }
        _width = value;
      }
    },
    "lines": {
      enumerable: true,
      get: function() {
        return _lines;
      },
      set: function(value) {
        if (typeof value !== "number") {
          throw new TypeError("Lines must be set to a number.");
        }
        _lines = value;
      }
    },
    "regionAnchorY": {
      enumerable: true,
      get: function() {
        return _regionAnchorY;
      },
      set: function(value) {
        if (!isValidPercentValue(value)) {
          throw new Error("RegionAnchorX must be between 0 and 100.");
        }
        _regionAnchorY = value;
      }
    },
    "regionAnchorX": {
      enumerable: true,
      get: function() {
        return _regionAnchorX;
      },
      set: function(value) {
        if(!isValidPercentValue(value)) {
          throw new Error("RegionAnchorY must be between 0 and 100.");
        }
        _regionAnchorX = value;
      }
    },
    "viewportAnchorY": {
      enumerable: true,
      get: function() {
        return _viewportAnchorY;
      },
      set: function(value) {
        if (!isValidPercentValue(value)) {
          throw new Error("ViewportAnchorY must be between 0 and 100.");
        }
        _viewportAnchorY = value;
      }
    },
    "viewportAnchorX": {
      enumerable: true,
      get: function() {
        return _viewportAnchorX;
      },
      set: function(value) {
        if (!isValidPercentValue(value)) {
          throw new Error("ViewportAnchorX must be between 0 and 100.");
        }
        _viewportAnchorX = value;
      }
    },
    "scroll": {
      enumerable: true,
      get: function() {
        return _scroll;
      },
      set: function(value) {
        var setting = findScrollSetting(value);
        // Have to check for false as an empty string is a legal value.
        if (setting === false) {
          throw new SyntaxError("An invalid or illegal string was specified.");
        }
        _scroll = setting;
      }
    }
  });
}

module.exports = VTTRegion;


/***/ }),

/***/ "fb15":
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
// ESM COMPAT FLAG
__webpack_require__.r(__webpack_exports__);

// CONCATENATED MODULE: ./node_modules/@vue/cli-service/lib/commands/build/setPublicPath.js
// This file is imported into lib/wc client bundles.

if (typeof window !== 'undefined') {
  var currentScript = window.document.currentScript
  if (true) {
    var getCurrentScript = __webpack_require__("8875")
    currentScript = getCurrentScript()

    // for backward compatibility, because previously we directly included the polyfill
    if (!('currentScript' in document)) {
      Object.defineProperty(document, 'currentScript', { get: getCurrentScript })
    }
  }

  var src = currentScript && currentScript.src.match(/(.+\/)[^/]+\.js(\?.*)?$/)
  if (src) {
    __webpack_require__.p = src[1] // eslint-disable-line
  }
}

// Indicate to webpack that this file can be concatenated
/* harmony default export */ var setPublicPath = (null);

// EXTERNAL MODULE: ./node_modules/core-js/modules/es.array.for-each.js
var es_array_for_each = __webpack_require__("4160");

// EXTERNAL MODULE: ./node_modules/core-js/modules/es.function.name.js
var es_function_name = __webpack_require__("b0c0");

// EXTERNAL MODULE: ./node_modules/core-js/modules/web.dom-collections.for-each.js
var web_dom_collections_for_each = __webpack_require__("159b");

// CONCATENATED MODULE: ./node_modules/cache-loader/dist/cjs.js?{"cacheDirectory":"node_modules/.cache/vue-loader","cacheIdentifier":"f1e9705e-vue-loader-template"}!./node_modules/vue-loader/lib/loaders/templateLoader.js??vue-loader-options!./node_modules/cache-loader/dist/cjs.js??ref--0-0!./node_modules/vue-loader/lib??vue-loader-options!./src/pages/WlExplorer/index.vue?vue&type=template&id=222e5389&
var render = function () {var _vm=this;var _h=_vm.$createElement;var _c=_vm._self._c||_h;return _c('div',{staticClass:"wl-explorer",on:{"contextmenu":function($event){$event.preventDefault();}}},[_c('el-form',{staticClass:"wl-header-file",attrs:{"inline":true,"size":_vm.size,"model":_vm.file},nativeOn:{"submit":function($event){$event.preventDefault();}}},[_c('el-form-item',{staticClass:"file-path-box"},[_c('div',{directives:[{name:"show",rawName:"v-show",value:(!_vm.layout.edit_path),expression:"!layout.edit_path"}],staticClass:"file-path-text",class:{ small: _vm.size == 'small' },on:{"click":_vm.handleFilePath}},[_c('img',{staticClass:"file-path-img",attrs:{"src":__webpack_require__("c836"),"alt":"文件夹","title":"文件夹"}}),_vm._v(" "+_vm._s(_vm.file.path)+" ")]),(_vm.layout.edit_path)?_c('el-autocomplete',{ref:"file-path-ipt",staticClass:"u-full",attrs:{"placeholder":"请输入文件路径","fetch-suggestions":_vm.pathQuerySearch},on:{"select":_vm.filePathChange},nativeOn:{"keyup":function($event){if(!$event.type.indexOf('key')&&_vm._k($event.keyCode,"enter",13,$event.key,"Enter")){ return null; }return _vm.filePathChange($event)}},model:{value:(_vm.file.path),callback:function ($$v) {_vm.$set(_vm.file, "path", $$v)},expression:"file.path"}},[_c('img',{staticClass:"file-path-img",attrs:{"slot":"prefix","src":__webpack_require__("c836"),"alt":"文件夹","title":"文件夹"},slot:"prefix"})]):_vm._e()],1),_c('el-form-item',{staticClass:"file-handle-box"},[_c('el-tooltip',{attrs:{"content":"返回","effect":"dark","placement":"bottom"}},[_c('i',{staticClass:"iconfont icon-wl-left file-path-handle",class:{ 'u-disabled': _vm.pathIsStart },on:{"click":function($event){return _vm.pathBtn('prv')}}})]),_c('el-tooltip',{attrs:{"content":"前进","effect":"dark","placement":"bottom"}},[_c('i',{staticClass:"iconfont icon-wl-right file-path-handle",class:{ 'u-disabled': _vm.pathIsEnd },on:{"click":function($event){return _vm.pathBtn('next')}}})]),_c('el-tooltip',{attrs:{"content":"上级目录","effect":"dark","placement":"bottom"}},[_c('i',{staticClass:"iconfont icon-wl-up file-path-handle",class:{ 'u-disabled': _vm.path.level === 1 },on:{"click":function($event){return _vm.pathBtn('top')}}})])],1),_c('el-tooltip',{attrs:{"content":"切换显示方式","effect":"dark","placement":"bottom"}},[_c('el-form-item',{staticClass:"file-show-list-box"},[_c('i',{directives:[{name:"show",rawName:"v-show",value:(_vm.layout.show_list),expression:"layout.show_list"}],staticClass:"iconfont icon-wl-list file-show-type",on:{"click":function($event){_vm.layout.show_list = !_vm.layout.show_list}}}),_c('i',{directives:[{name:"show",rawName:"v-show",value:(!_vm.layout.show_list),expression:"!layout.show_list"}],staticClass:"iconfont icon-wl-grid file-show-type",on:{"click":function($event){_vm.layout.show_list = !_vm.layout.show_list}}})])],1)],1),_c('el-scrollbar',{staticClass:"wl-main-scroll"},[_c('div',{staticClass:"wl-main-list"},[_c('el-table',{directives:[{name:"show",rawName:"v-show",value:(_vm.layout.show_list),expression:"layout.show_list"}],ref:"wl-table",staticClass:"wl-table",attrs:{"highlight-current-row":"","border":_vm.showBorder,"data":_vm.self_data},on:{"selection-change":_vm.filrChecked}},[(_vm.showCheckbox)?_c('el-table-column',{attrs:{"align":"center","type":"selection","width":"55"}}):_vm._e(),(_vm.showIndex)?_c('el-table-column',{attrs:{"align":"center","type":"index","label":"序号","width":"55"}}):_vm._e(),_vm._t("table-column-top"),_vm._l((_vm.selfColumns),function(i){return _c('el-table-column',{key:i._id,attrs:{"show-overflow-tooltip":"","prop":i.prop,"width":i.width,"label":i.label,"fixed":i.fixed,"align":i.align,"sort-by":i.sortBy,"sortable":i.sortable,"min-width":i.minWidth,"formatter":i.formatter,"column-key":i.columnKey,"class-name":i.className,"sort-method":i.sortMethod,"header-align":i.headerAlign,"render-header":i.renderHeader,"label-class-name":i.labelClassName},scopedSlots:_vm._u([{key:"default",fn:function(scope){return [(i.prop !== _vm.selfProps.name)?[_vm._v(" "+_vm._s(i.formatter ? i.formatter( scope.row, scope.column, scope.row[i.prop], scope.$index ) : scope.row[i.prop])+" ")]:_c('div',{staticClass:"wl-name-col wl-is-folder",on:{"click":function($event){return _vm.enterTheLower(scope.row, scope.row[_vm.selfIsFolder])}}},[_c('div',{staticClass:"namecol-iconbox"},[_c('img',{staticClass:"name-col-icon",attrs:{"src":_vm.fileTypeIcon(scope.row),"alt":"文件类型图标"}})]),_c('div',{staticClass:"namecol-textbox"},[_vm._v(" "+_vm._s(i.formatter ? i.formatter( scope.row, scope.column, scope.row[i.prop], scope.$index ) : scope.row[i.prop])+" ")])])]}}],null,true)})}),_vm._t("table-column-bottom")],2),_c('ul',{directives:[{name:"show",rawName:"v-show",value:(!_vm.layout.show_list),expression:"!layout.show_list"}],staticClass:"wl-list"},_vm._l((_vm.self_data),function(i,idx){return _c('li',{key:i.Id,staticClass:"wl-list-item wl-is-folder"},[_c('el-checkbox',{staticClass:"wl-checkbox",class:{ 'wl-checkbox-checked': i._checked },on:{"change":function($event){return _vm.listItemCheck($event, i)}},model:{value:(i._checked),callback:function ($$v) {_vm.$set(i, "_checked", $$v)},expression:"i._checked"}}),_c('div',{on:{"click":function($event){return _vm.enterTheLower(i, i[_vm.selfIsFolder])}}},[_c('img',{staticClass:"name-col-icon",attrs:{"src":_vm.fileTypeIcon(i),"alt":"文件类型图标"}}),_c('p',{staticClass:"list-item-name",attrs:{"title":i[_vm.selfProps.name]}},[_vm._v(" "+_vm._s(i.formatter ? i.formatter(i, null, i[_vm.selfProps.name], idx) : i[_vm.selfProps.name])+" ")])])],1)}),0),_vm._t("main")],2)]),_vm._t("default"),(_vm.usePreview)?[_c('file-view',{directives:[{name:"show",rawName:"v-show",value:(_vm.layout.view),expression:"layout.view"}],ref:"file-view",staticClass:"file-view-components",attrs:{"previewType":_vm.previewType,"previewOptions":_vm.previewOptions},on:{"close":function($event){_vm.layout.view = false}}})]:_vm._e(),_c('el-dialog',{attrs:{"title":"移动文件","width":"520px","visible":_vm.layout.move},on:{"update:visible":function($event){return _vm.$set(_vm.layout, "move", $event)}}},[_c('wlTreeSelect',{staticClass:"u-full",attrs:{"size":_vm.size,"data":_vm.tree_path,"props":_vm.selfMoveProps,"nodeKey":_vm.selfProps.pathId},model:{value:(_vm.move_selected),callback:function ($$v) {_vm.move_selected=$$v},expression:"move_selected"}}),_c('span',{staticClass:"dialog-footer",attrs:{"slot":"footer"},slot:"footer"},[_c('el-button',{attrs:{"size":_vm.size},on:{"click":function($event){_vm.layout.move = false}}},[_vm._v("取 消")]),_c('submit-btn',{attrs:{"size":_vm.size,"status":_vm.load.move},on:{"btn":_vm.fileMove}},[_vm._v("确 定")])],1)],1),(_vm.useUpload)?[_c('fade-in',{directives:[{name:"show",rawName:"v-show",value:(_vm.layout.upload),expression:"layout.upload"}]},[_c('h3',{staticClass:"edit-header"},[_vm._v("上传文件")]),_c('el-scrollbar',{staticClass:"scroll"},[_c('el-form',{ref:"template_form",staticClass:"template_form rule-form",attrs:{"size":_vm.size,"label-position":"top"}},[_c('el-form-item',{attrs:{"label":"文件路径"}},[_c('wlTreeSelect',{staticClass:"u-full",attrs:{"size":_vm.size,"data":_vm.tree_path,"props":_vm.selfMoveProps,"nodeKey":_vm.selfProps.pathId},on:{"change":_vm.uploadPathChange},model:{value:(_vm.upload_selected),callback:function ($$v) {_vm.upload_selected=$$v},expression:"upload_selected"}})],1),_c('el-form-item',{attrs:{"label":"导入文件"}},[_c('uploadItem',{ref:"upload-item",attrs:{"size":_vm.size,"reg":_vm.uploadReg,"url":_vm.uploadUrl,"limit":_vm.uploadLimit,"regFuc":_vm.uploadRegFuc,"options":_vm.uploadOptions,"headers":_vm.uploadHeaders},on:{"beforeUpload":_vm.uploadBefore,"uploadSuccess":_vm.uploadSuccess,"uploadError":_vm.uploadError}})],1)],1)],1),_c('div',{staticClass:"submit-btn-box"},[_c('submit-btn',{attrs:{"size":_vm.size,"status":_vm.load.upload},on:{"btn":function($event){return _vm.saveUpload()}}},[_vm._v("保存")]),_c('el-button',{attrs:{"size":_vm.size},on:{"click":function($event){_vm.layout.upload = false}}},[_vm._v("取消")])],1)],1)]:_vm._e()],2)}
var staticRenderFns = []


// CONCATENATED MODULE: ./src/pages/WlExplorer/index.vue?vue&type=template&id=222e5389&

// EXTERNAL MODULE: ./node_modules/core-js/modules/es.array.filter.js
var es_array_filter = __webpack_require__("4de4");

// EXTERNAL MODULE: ./node_modules/core-js/modules/es.array.find.js
var es_array_find = __webpack_require__("7db0");

// EXTERNAL MODULE: ./node_modules/core-js/modules/es.array.find-index.js
var es_array_find_index = __webpack_require__("c740");

// EXTERNAL MODULE: ./node_modules/core-js/modules/es.array.includes.js
var es_array_includes = __webpack_require__("caad");

// EXTERNAL MODULE: ./node_modules/core-js/modules/es.array.index-of.js
var es_array_index_of = __webpack_require__("c975");

// EXTERNAL MODULE: ./node_modules/core-js/modules/es.array.splice.js
var es_array_splice = __webpack_require__("a434");

// EXTERNAL MODULE: ./node_modules/core-js/modules/es.number.constructor.js
var es_number_constructor = __webpack_require__("a9e3");

// EXTERNAL MODULE: ./node_modules/core-js/modules/es.regexp.exec.js
var es_regexp_exec = __webpack_require__("ac1f");

// EXTERNAL MODULE: ./node_modules/core-js/modules/es.string.match.js
var es_string_match = __webpack_require__("466d");

// EXTERNAL MODULE: ./node_modules/core-js/modules/es.symbol.js
var es_symbol = __webpack_require__("a4d3");

// EXTERNAL MODULE: ./node_modules/core-js/modules/es.object.get-own-property-descriptor.js
var es_object_get_own_property_descriptor = __webpack_require__("e439");

// EXTERNAL MODULE: ./node_modules/core-js/modules/es.object.get-own-property-descriptors.js
var es_object_get_own_property_descriptors = __webpack_require__("dbb4");

// EXTERNAL MODULE: ./node_modules/core-js/modules/es.object.keys.js
var es_object_keys = __webpack_require__("b64b");

// CONCATENATED MODULE: ./node_modules/@babel/runtime/helpers/esm/defineProperty.js
function _defineProperty(obj, key, value) {
  if (key in obj) {
    Object.defineProperty(obj, key, {
      value: value,
      enumerable: true,
      configurable: true,
      writable: true
    });
  } else {
    obj[key] = value;
  }

  return obj;
}
// CONCATENATED MODULE: ./node_modules/@babel/runtime/helpers/esm/objectSpread2.js









function ownKeys(object, enumerableOnly) {
  var keys = Object.keys(object);

  if (Object.getOwnPropertySymbols) {
    var symbols = Object.getOwnPropertySymbols(object);
    if (enumerableOnly) symbols = symbols.filter(function (sym) {
      return Object.getOwnPropertyDescriptor(object, sym).enumerable;
    });
    keys.push.apply(keys, symbols);
  }

  return keys;
}

function _objectSpread2(target) {
  for (var i = 1; i < arguments.length; i++) {
    var source = arguments[i] != null ? arguments[i] : {};

    if (i % 2) {
      ownKeys(Object(source), true).forEach(function (key) {
        _defineProperty(target, key, source[key]);
      });
    } else if (Object.getOwnPropertyDescriptors) {
      Object.defineProperties(target, Object.getOwnPropertyDescriptors(source));
    } else {
      ownKeys(Object(source)).forEach(function (key) {
        Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key));
      });
    }
  }

  return target;
}
// CONCATENATED MODULE: ./node_modules/@babel/runtime/helpers/esm/arrayWithHoles.js
function _arrayWithHoles(arr) {
  if (Array.isArray(arr)) return arr;
}
// EXTERNAL MODULE: ./node_modules/core-js/modules/es.symbol.description.js
var es_symbol_description = __webpack_require__("e01a");

// EXTERNAL MODULE: ./node_modules/core-js/modules/es.symbol.iterator.js
var es_symbol_iterator = __webpack_require__("d28b");

// EXTERNAL MODULE: ./node_modules/core-js/modules/es.array.iterator.js
var es_array_iterator = __webpack_require__("e260");

// EXTERNAL MODULE: ./node_modules/core-js/modules/es.object.to-string.js
var es_object_to_string = __webpack_require__("d3b7");

// EXTERNAL MODULE: ./node_modules/core-js/modules/es.string.iterator.js
var es_string_iterator = __webpack_require__("3ca3");

// EXTERNAL MODULE: ./node_modules/core-js/modules/web.dom-collections.iterator.js
var web_dom_collections_iterator = __webpack_require__("ddb0");

// CONCATENATED MODULE: ./node_modules/@babel/runtime/helpers/esm/iterableToArrayLimit.js







function _iterableToArrayLimit(arr, i) {
  if (typeof Symbol === "undefined" || !(Symbol.iterator in Object(arr))) return;
  var _arr = [];
  var _n = true;
  var _d = false;
  var _e = undefined;

  try {
    for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) {
      _arr.push(_s.value);

      if (i && _arr.length === i) break;
    }
  } catch (err) {
    _d = true;
    _e = err;
  } finally {
    try {
      if (!_n && _i["return"] != null) _i["return"]();
    } finally {
      if (_d) throw _e;
    }
  }

  return _arr;
}
// EXTERNAL MODULE: ./node_modules/core-js/modules/es.array.from.js
var es_array_from = __webpack_require__("a630");

// EXTERNAL MODULE: ./node_modules/core-js/modules/es.array.slice.js
var es_array_slice = __webpack_require__("fb6a");

// EXTERNAL MODULE: ./node_modules/core-js/modules/es.regexp.to-string.js
var es_regexp_to_string = __webpack_require__("25f0");

// CONCATENATED MODULE: ./node_modules/@babel/runtime/helpers/esm/arrayLikeToArray.js
function _arrayLikeToArray(arr, len) {
  if (len == null || len > arr.length) len = arr.length;

  for (var i = 0, arr2 = new Array(len); i < len; i++) {
    arr2[i] = arr[i];
  }

  return arr2;
}
// CONCATENATED MODULE: ./node_modules/@babel/runtime/helpers/esm/unsupportedIterableToArray.js







function _unsupportedIterableToArray(o, minLen) {
  if (!o) return;
  if (typeof o === "string") return _arrayLikeToArray(o, minLen);
  var n = Object.prototype.toString.call(o).slice(8, -1);
  if (n === "Object" && o.constructor) n = o.constructor.name;
  if (n === "Map" || n === "Set") return Array.from(o);
  if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen);
}
// CONCATENATED MODULE: ./node_modules/@babel/runtime/helpers/esm/nonIterableRest.js
function _nonIterableRest() {
  throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
}
// CONCATENATED MODULE: ./node_modules/@babel/runtime/helpers/esm/slicedToArray.js




function _slicedToArray(arr, i) {
  return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest();
}
// CONCATENATED MODULE: ./node_modules/cache-loader/dist/cjs.js?{"cacheDirectory":"node_modules/.cache/vue-loader","cacheIdentifier":"f1e9705e-vue-loader-template"}!./node_modules/vue-loader/lib/loaders/templateLoader.js??vue-loader-options!./node_modules/cache-loader/dist/cjs.js??ref--0-0!./node_modules/vue-loader/lib??vue-loader-options!./src/components/submit-btn.vue?vue&type=template&id=3e04eb68&
var submit_btnvue_type_template_id_3e04eb68_render = function () {var _vm=this;var _h=_vm.$createElement;var _c=_vm._self._c||_h;return (_vm.status)?_c('el-button',{attrs:{"size":_vm.size,"type":_vm.type,"plain":_vm.plain,"icon":"el-icon-loading"}}):_c('el-button',{attrs:{"size":_vm.size,"type":_vm.type,"plain":_vm.plain},on:{"click":function($event){return _vm.submit()}}},[_vm._t("default",[_vm._v("保存")])],2)}
var submit_btnvue_type_template_id_3e04eb68_staticRenderFns = []


// CONCATENATED MODULE: ./src/components/submit-btn.vue?vue&type=template&id=3e04eb68&

// EXTERNAL MODULE: ./node_modules/core-js/modules/es.array.concat.js
var es_array_concat = __webpack_require__("99af");

// EXTERNAL MODULE: ./node_modules/core-js/modules/es.array.every.js
var es_array_every = __webpack_require__("a623");

// EXTERNAL MODULE: ./node_modules/core-js/modules/es.array.map.js
var es_array_map = __webpack_require__("d81d");

// EXTERNAL MODULE: ./node_modules/core-js/modules/es.string.replace.js
var es_string_replace = __webpack_require__("5319");

// EXTERNAL MODULE: ./node_modules/core-js/modules/es.string.split.js
var es_string_split = __webpack_require__("1276");

// EXTERNAL MODULE: ./node_modules/core-js/modules/web.url.js
var web_url = __webpack_require__("2b3d");

// EXTERNAL MODULE: ./node_modules/element-ui/lib/theme-chalk/message.css
var message = __webpack_require__("0fb7");

// EXTERNAL MODULE: ./node_modules/element-ui/lib/theme-chalk/base.css
var base = __webpack_require__("450d");

// EXTERNAL MODULE: ./node_modules/element-ui/lib/message.js
var lib_message = __webpack_require__("f529");
var lib_message_default = /*#__PURE__*/__webpack_require__.n(lib_message);

// CONCATENATED MODULE: ./node_modules/@babel/runtime/helpers/esm/arrayWithoutHoles.js

function _arrayWithoutHoles(arr) {
  if (Array.isArray(arr)) return _arrayLikeToArray(arr);
}
// CONCATENATED MODULE: ./node_modules/@babel/runtime/helpers/esm/iterableToArray.js








function _iterableToArray(iter) {
  if (typeof Symbol !== "undefined" && Symbol.iterator in Object(iter)) return Array.from(iter);
}
// CONCATENATED MODULE: ./node_modules/@babel/runtime/helpers/esm/nonIterableSpread.js
function _nonIterableSpread() {
  throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
}
// CONCATENATED MODULE: ./node_modules/@babel/runtime/helpers/esm/toConsumableArray.js




function _toConsumableArray(arr) {
  return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread();
}
// CONCATENATED MODULE: ./src/util/index.js





















/**
 * 防抖函数
 * @param {*} func 防抖后要执行的回调
 * @param {*} wait 等待时间
 * @param {*} immediate 
 */
function debounce(func, wait, immediate) {
  var timeout, args, context, timestamp, result;

  var later = function later() {
    // 据上一次触发时间间隔
    var last = +new Date() - timestamp; // 上次被包装函数被调用时间间隔last小于设定时间间隔wait

    if (last < wait && last > 0) {
      timeout = setTimeout(later, wait - last);
    } else {
      timeout = null; // 如果设定为immediate===true，因为开始边界已经调用过了此处无需调用

      if (!immediate) {
        result = func.apply(context, args);
        if (!timeout) context = args = null;
      }
    }
  };

  return function () {
    for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
      args[_key] = arguments[_key];
    }

    context = this;
    timestamp = +new Date();
    var callNow = immediate && !timeout; // 如果延时不存在，重新设定延时

    if (!timeout) timeout = setTimeout(later, wait);

    if (callNow) {
      result = func.apply(context, args);
      context = args = null;
    }

    return result;
  };
}
/**
 * 将数组转化成树结构 array to tree
 * @param {*} array 数据源
 * @param {*} options 字段名配置项
 */


function arrayToTree() {
  var array = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];
  var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {
    id: "id",
    pid: "pid",
    children: "children"
  };
  var array_ = []; // 创建储存剔除叶子节点后的骨架节点数组

  var unique = {}; // 创建盒子辅助本轮children合并去重

  var root_pid = [0, "0", undefined, "undefined", null, "null", "00000000-0000-0000-0000-000000000000"]; // 可能存在的根节点pid形式

  array.forEach(function (item) {
    // 筛选可以插入当前节点的所有子节点
    var children_array = array.filter(function (it) {
      return it[options.pid] === item[options.id];
    });

    if (item[options.children] && item[options.children] instanceof Array && item[options.children].length > 0) {
      var _item$options$childre;

      // 去重合并数组
      item[options.children].map(function (i) {
        return unique[i[options.id]] = 1;
      });

      (_item$options$childre = item[options.children]).push.apply(_item$options$childre, _toConsumableArray(children_array.filter(function (i) {
        return unique[i[options.id]] !== 1;
      })));
    } else {
      item[options.children] = children_array;
    } // 当children_array有数据时插入下一轮array_，当无数据时将最后留下来的根节点树形插入数组


    var has_children = children_array.length > 0;

    if (has_children || !has_children && root_pid.includes(item[options.pid])) {
      array_.push(item);
    }
  }); // 当数组内仅有根节点时退出，否组继续处理 最终递归深度次

  if (!array_.every(function (item) {
    return root_pid.includes(item[options.pid]);
  })) {
    return arrayToTree(array_, options);
  } else {
    return array_;
  }
}
/**
 * 从坐标值拼接指定字段到祖先元素
 * @param {*} data 一维数据源
 * @param {*} coordinate 坐标值数据
 * @param {*} options 配置项
 */


function splicParentsUntil(data, coordinate) {
  var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {
    pathName: 'name',
    // 所要拼接字段
    pathConnector: '\\',
    // 连接符 
    pathId: "id",
    // 数据源匹配字段 
    pathParents: "parents",
    pathIdentityId: "identityId"
  };
  var coordinate_item = data.find(function (i) {
    return i[options.pathId] === coordinate[options.pathId];
  });
  if (!coordinate_item) return '';
  if (!coordinate_item[options.pathParents]) return coordinate_item[options.pathName];

  var _parents = coordinate_item[options.pathParents].substring(1, coordinate_item[options.pathParents].length - 1).split(",").filter(function (i) {
    return !!i;
  });

  var splic_parents = '';

  _parents.forEach(function (i) {
    var _parent = data.find(function (t) {
      return t[options.pathIdentityId] == i;
    });

    splic_parents += "".concat(_parent[options.pathName]).concat(options.pathConnector);
  });

  return splic_parents + coordinate_item[options.pathName];
}
/**
 * 处理下载接口返回的文件流数据
 * @param {*} res http请求返回数据
 */


function download(res) {
  // 错误处理
  if (res.data.type == "application/json") {
    var reader = new FileReader();
    reader.readAsText(res.data, 'utf-8');

    reader.onload = function () {
      var json_data = JSON.parse(reader.result);

      lib_message_default()({
        showClose: true,
        message: json_data.Message,
        type: "error"
      });
    };

    return;
  } // 下载处理


  var filename = "content-disposition" in res.headers ? decodeURIComponent(res.headers["content-disposition"].split(";")[1].split("=")[1].replace(/"/g, "")) : "下载文件";

  try {
    if (window.navigator.msSaveOrOpenBlob) {
      navigator.msSaveBlob(res.data, filename);
    } else {
      var blob = new Blob([res.data], {
        type: "application/vnd.ms-excel"
      });
      var url = URL.createObjectURL(blob);
      var link = document.createElement("a");
      link.setAttribute("href", url);
      link.setAttribute("download", filename);
      link.style.display = "none";
      document.body.appendChild(link);
      link.click();
      URL.revokeObjectURL(url); // 释放URL 对象

      document.body.removeChild(link);
    }
  } catch (err) {// console.log(err)
  }
}
/**
 * 关闭其他弹出类视图函数
 * 用于切换侧滑区域内容
 * data:object 要求为该页面layout字段
 * key:string 需要打开的视图
 */


function closeOtherLayout() {
  var data = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
  var key = arguments.length > 1 ? arguments[1] : undefined;

  for (var item in data) {
    data[item] = false;
  }

  if (key) data[key] = true;
}


// CONCATENATED MODULE: ./node_modules/cache-loader/dist/cjs.js??ref--12-0!./node_modules/thread-loader/dist/cjs.js!./node_modules/babel-loader/lib!./node_modules/cache-loader/dist/cjs.js??ref--0-0!./node_modules/vue-loader/lib??vue-loader-options!./src/components/submit-btn.vue?vue&type=script&lang=js&
//
//
//
//
//
//
//
//
//
//
//
//
//

/**
 * 防抖表单提交按钮组件
 * props:
 * status -> 提交状态
 * type -> 按钮类型
 * emit:
 * btn -> 提交操作
 */
 // 导入防抖函数

/* harmony default export */ var submit_btnvue_type_script_lang_js_ = ({
  props: {
    // 状态
    status: {
      type: Boolean,
      default: false
    },
    // 类型
    type: {
      type: String,
      default: "primary"
    },
    // 是否简单样式
    plain: {
      type: Boolean,
      default: false
    },
    // 大小
    size: {
      type: String,
      default: "medium"
    }
  },
  methods: {
    // 节流输出
    submit: debounce(function () {
      this.$emit("btn");
    }, 2000, true)
  }
});
// CONCATENATED MODULE: ./src/components/submit-btn.vue?vue&type=script&lang=js&
 /* harmony default export */ var components_submit_btnvue_type_script_lang_js_ = (submit_btnvue_type_script_lang_js_); 
// CONCATENATED MODULE: ./node_modules/vue-loader/lib/runtime/componentNormalizer.js
/* globals __VUE_SSR_CONTEXT__ */

// IMPORTANT: Do NOT use ES2015 features in this file (except for modules).
// This module is a runtime utility for cleaner component module output and will
// be included in the final webpack user bundle.

function normalizeComponent (
  scriptExports,
  render,
  staticRenderFns,
  functionalTemplate,
  injectStyles,
  scopeId,
  moduleIdentifier, /* server only */
  shadowMode /* vue-cli only */
) {
  // Vue.extend constructor export interop
  var options = typeof scriptExports === 'function'
    ? scriptExports.options
    : scriptExports

  // render functions
  if (render) {
    options.render = render
    options.staticRenderFns = staticRenderFns
    options._compiled = true
  }

  // functional template
  if (functionalTemplate) {
    options.functional = true
  }

  // scopedId
  if (scopeId) {
    options._scopeId = 'data-v-' + scopeId
  }

  var hook
  if (moduleIdentifier) { // server build
    hook = function (context) {
      // 2.3 injection
      context =
        context || // cached call
        (this.$vnode && this.$vnode.ssrContext) || // stateful
        (this.parent && this.parent.$vnode && this.parent.$vnode.ssrContext) // functional
      // 2.2 with runInNewContext: true
      if (!context && typeof __VUE_SSR_CONTEXT__ !== 'undefined') {
        context = __VUE_SSR_CONTEXT__
      }
      // inject component styles
      if (injectStyles) {
        injectStyles.call(this, context)
      }
      // register component module identifier for async chunk inferrence
      if (context && context._registeredComponents) {
        context._registeredComponents.add(moduleIdentifier)
      }
    }
    // used by ssr in case component is cached and beforeCreate
    // never gets called
    options._ssrRegister = hook
  } else if (injectStyles) {
    hook = shadowMode
      ? function () {
        injectStyles.call(
          this,
          (options.functional ? this.parent : this).$root.$options.shadowRoot
        )
      }
      : injectStyles
  }

  if (hook) {
    if (options.functional) {
      // for template-only hot-reload because in that case the render fn doesn't
      // go through the normalizer
      options._injectStyles = hook
      // register for functional component in vue file
      var originalRender = options.render
      options.render = function renderWithStyleInjection (h, context) {
        hook.call(context)
        return originalRender(h, context)
      }
    } else {
      // inject component registration as beforeCreate hook
      var existing = options.beforeCreate
      options.beforeCreate = existing
        ? [].concat(existing, hook)
        : [hook]
    }
  }

  return {
    exports: scriptExports,
    options: options
  }
}

// CONCATENATED MODULE: ./src/components/submit-btn.vue





/* normalize component */

var component = normalizeComponent(
  components_submit_btnvue_type_script_lang_js_,
  submit_btnvue_type_template_id_3e04eb68_render,
  submit_btnvue_type_template_id_3e04eb68_staticRenderFns,
  false,
  null,
  null,
  null
  
)

/* harmony default export */ var submit_btn = (component.exports);
// CONCATENATED MODULE: ./node_modules/cache-loader/dist/cjs.js?{"cacheDirectory":"node_modules/.cache/vue-loader","cacheIdentifier":"f1e9705e-vue-loader-template"}!./node_modules/vue-loader/lib/loaders/templateLoader.js??vue-loader-options!./node_modules/cache-loader/dist/cjs.js??ref--0-0!./node_modules/vue-loader/lib??vue-loader-options!./src/components/file-view.vue?vue&type=template&id=68b197c1&
var file_viewvue_type_template_id_68b197c1_render = function () {var _vm=this;var _h=_vm.$createElement;var _c=_vm._self._c||_h;return _c('div',{directives:[{name:"loading",rawName:"v-loading",value:(_vm.loading),expression:"loading"}],staticClass:"file-view"},[(_vm.selfType == 'video')?_c('videoPlayer',{staticClass:"player-item",attrs:{"options":_vm.selfOptions},on:{"closeVideo":_vm.closePreview}}):(_vm.selfType == 'audio')?_c('audio-player',{staticClass:"player-item",attrs:{"url":_vm.selfOptions},on:{"closeAudio":_vm.closePreview}}):(_vm.selfType == 'iframe')?_c('pdf-online',{staticClass:"player-item",attrs:{"pdfurl":_vm.selfOptions},on:{"closePDF":_vm.closePreview}}):(_vm.selfType == 'img')?_c('img-online',{staticClass:"player-item",attrs:{"url":_vm.selfOptions},on:{"closeImg":_vm.closePreview}}):_vm._e()],1)}
var file_viewvue_type_template_id_68b197c1_staticRenderFns = []


// CONCATENATED MODULE: ./src/components/file-view.vue?vue&type=template&id=68b197c1&

// CONCATENATED MODULE: ./node_modules/cache-loader/dist/cjs.js?{"cacheDirectory":"node_modules/.cache/vue-loader","cacheIdentifier":"f1e9705e-vue-loader-template"}!./node_modules/vue-loader/lib/loaders/templateLoader.js??vue-loader-options!./node_modules/cache-loader/dist/cjs.js??ref--0-0!./node_modules/vue-loader/lib??vue-loader-options!./src/components/video-player.vue?vue&type=template&id=0b3c77c6&
var video_playervue_type_template_id_0b3c77c6_render = function () {var _vm=this;var _h=_vm.$createElement;var _c=_vm._self._c||_h;return _c('div',{staticClass:"video-player-box"},[_c('h3',{staticClass:"video-player-h3"},[_c('i',{staticClass:"el-icon-circle-close video-player-icon",on:{"click":_vm.videoClose}})]),_c('video-player',{ref:"videoPlayer",staticClass:"video-player vjs-custom-skin",attrs:{"playsinline":true,"options":_vm.playerOptions},on:{"play":function($event){return _vm.onPlayerPlay($event)},"pause":function($event){return _vm.onPlayerPause($event)}}})],1)}
var video_playervue_type_template_id_0b3c77c6_staticRenderFns = []


// CONCATENATED MODULE: ./src/components/video-player.vue?vue&type=template&id=0b3c77c6&

// EXTERNAL MODULE: ./node_modules/vue-video-player/dist/vue-video-player.js
var vue_video_player = __webpack_require__("d6d3");

// CONCATENATED MODULE: ./node_modules/cache-loader/dist/cjs.js??ref--12-0!./node_modules/thread-loader/dist/cjs.js!./node_modules/babel-loader/lib!./node_modules/cache-loader/dist/cjs.js??ref--0-0!./node_modules/vue-loader/lib??vue-loader-options!./src/components/video-player.vue?vue&type=script&lang=js&


//
//
//
//
//
//
//
//
//
//

/*
 * 视频播放器组件
 * auth:weilan
 * time:2018-10-16
 */
__webpack_require__("fda2");

__webpack_require__("451f");


/* harmony default export */ var video_playervue_type_script_lang_js_ = ({
  data: function data() {
    return {
      selfOptions: {
        playbackRates: [0.7, 1.0, 1.5, 2.0],
        //播放速度
        autoplay: true,
        //如果true,浏览器准备好时开始回放。
        muted: false,
        // 默认情况下将会消除任何音频。
        loop: false,
        // 导致视频一结束就重新开始。
        preload: "auto",
        // 建议浏览器在<video>加载元素后是否应该开始下载视频数据。auto浏览器选择最佳行为,立即开始加载视频（如果浏览器支持）
        language: "zh-CN",
        aspectRatio: "16:9",
        // 将播放器置于流畅模式，并在计算播放器的动态大小时使用该值。值应该代表一个比例 - 用冒号分隔的两个数字（例如"16:9"或"4:3"）
        fluid: true,
        // 当true时，Video.js player将拥有流体大小。换句话说，它将按比例缩放以适应其容器。
        sources: [{
          type: "video/mp4",
          src: "" //你的视频地址（必填）

        }],
        poster: "",
        //你的封面地址
        width: document.documentElement.clientWidth,
        notSupportedMessage: "此视频暂无法播放，请稍后再试" //允许覆盖Video.js无法播放媒体源时显示的默认信息。
        //        controlBar: {
        //          timeDivider: true,
        //          durationDisplay: true,
        //          remainingTimeDisplay: false,
        //          fullscreenToggle: true  //全屏按钮
        //        }

      }
    };
  },
  props: {
    options: Object
  },
  methods: {
    videoClose: function videoClose() {
      this.$emit("closeVideo");
    }
  },
  computed: {
    playerOptions: function playerOptions() {
      return _objectSpread2(_objectSpread2({}, this.selfOptions), this.options);
    },
    player: function player() {
      return this.$refs.videoPlayer.player;
    }
  },
  components: {
    videoPlayer: vue_video_player["videoPlayer"]
  }
});
// CONCATENATED MODULE: ./src/components/video-player.vue?vue&type=script&lang=js&
 /* harmony default export */ var components_video_playervue_type_script_lang_js_ = (video_playervue_type_script_lang_js_); 
// EXTERNAL MODULE: ./src/components/video-player.vue?vue&type=style&index=0&lang=scss&
var video_playervue_type_style_index_0_lang_scss_ = __webpack_require__("b25a");

// CONCATENATED MODULE: ./src/components/video-player.vue






/* normalize component */

var video_player_component = normalizeComponent(
  components_video_playervue_type_script_lang_js_,
  video_playervue_type_template_id_0b3c77c6_render,
  video_playervue_type_template_id_0b3c77c6_staticRenderFns,
  false,
  null,
  null,
  null
  
)

/* harmony default export */ var video_player = (video_player_component.exports);
// CONCATENATED MODULE: ./node_modules/cache-loader/dist/cjs.js?{"cacheDirectory":"node_modules/.cache/vue-loader","cacheIdentifier":"f1e9705e-vue-loader-template"}!./node_modules/vue-loader/lib/loaders/templateLoader.js??vue-loader-options!./node_modules/cache-loader/dist/cjs.js??ref--0-0!./node_modules/vue-loader/lib??vue-loader-options!./src/components/audio-player.vue?vue&type=template&id=280a6a18&
var audio_playervue_type_template_id_280a6a18_render = function () {var _vm=this;var _h=_vm.$createElement;var _c=_vm._self._c||_h;return _c('div',{staticClass:"audio-player-box"},[_c('h3',{staticClass:"audio-player-h3"},[_c('i',{staticClass:"el-icon-circle-close audio-player-icon",on:{"click":function($event){return _vm.audioClose('close')}}})]),_c('audio',{staticClass:"u-audio",attrs:{"src":_vm.audioUrl,"autoplay":"","controls":""}},[_vm._v(" 您的浏览器版本过低，暂不支持音频播放，请升级或更换浏览器。 ")])])}
var audio_playervue_type_template_id_280a6a18_staticRenderFns = []


// CONCATENATED MODULE: ./src/components/audio-player.vue?vue&type=template&id=280a6a18&

// CONCATENATED MODULE: ./node_modules/cache-loader/dist/cjs.js??ref--12-0!./node_modules/thread-loader/dist/cjs.js!./node_modules/babel-loader/lib!./node_modules/cache-loader/dist/cjs.js??ref--0-0!./node_modules/vue-loader/lib??vue-loader-options!./src/components/audio-player.vue?vue&type=script&lang=js&
//
//
//
//
//
//
//
//
//

/*
 * 音频播放器组件
 * auth:weilan
 * time:2018-10-17
 */
/* harmony default export */ var audio_playervue_type_script_lang_js_ = ({
  props: {
    url: String // options: Object

  },
  mounted: function mounted() {
    // 绑定键盘事件
    window.addEventListener("keyup", this.audioClose, false);
  },
  methods: {
    audioClose: function audioClose(e) {
      if (e == "close") {
        this.$emit("closeAudio");
        return;
      }

      if (e.keyCode === 27) {
        this.$emit("closeAudio");
      }
    }
  },
  computed: {
    audioUrl: function audioUrl() {
      return this.url;
    }
  },
  beforeDestroy: function beforeDestroy() {
    // 卸载键盘事件
    window.removeEventListener("keyup", this.audioClose, false);
  }
});
// CONCATENATED MODULE: ./src/components/audio-player.vue?vue&type=script&lang=js&
 /* harmony default export */ var components_audio_playervue_type_script_lang_js_ = (audio_playervue_type_script_lang_js_); 
// EXTERNAL MODULE: ./src/components/audio-player.vue?vue&type=style&index=0&lang=scss&
var audio_playervue_type_style_index_0_lang_scss_ = __webpack_require__("469b");

// CONCATENATED MODULE: ./src/components/audio-player.vue






/* normalize component */

var audio_player_component = normalizeComponent(
  components_audio_playervue_type_script_lang_js_,
  audio_playervue_type_template_id_280a6a18_render,
  audio_playervue_type_template_id_280a6a18_staticRenderFns,
  false,
  null,
  null,
  null
  
)

/* harmony default export */ var audio_player = (audio_player_component.exports);
// CONCATENATED MODULE: ./node_modules/cache-loader/dist/cjs.js?{"cacheDirectory":"node_modules/.cache/vue-loader","cacheIdentifier":"f1e9705e-vue-loader-template"}!./node_modules/vue-loader/lib/loaders/templateLoader.js??vue-loader-options!./node_modules/cache-loader/dist/cjs.js??ref--0-0!./node_modules/vue-loader/lib??vue-loader-options!./src/components/pdf-online.vue?vue&type=template&id=0d1b0ee8&
var pdf_onlinevue_type_template_id_0d1b0ee8_render = function () {var _vm=this;var _h=_vm.$createElement;var _c=_vm._self._c||_h;return _c('div',{staticClass:"m-pdf-box"},[_c('h3',{staticClass:"video-player-h3"},[_c('i',{staticClass:"el-icon-circle-close video-player-icon",on:{"click":function($event){return _vm.closePdf('close')}}})]),_c('iframe',{staticClass:"pdf-box",attrs:{"src":_vm.embedPdfUrl}})])}
var pdf_onlinevue_type_template_id_0d1b0ee8_staticRenderFns = []


// CONCATENATED MODULE: ./src/components/pdf-online.vue?vue&type=template&id=0d1b0ee8&

// CONCATENATED MODULE: ./node_modules/cache-loader/dist/cjs.js??ref--12-0!./node_modules/thread-loader/dist/cjs.js!./node_modules/babel-loader/lib!./node_modules/cache-loader/dist/cjs.js??ref--0-0!./node_modules/vue-loader/lib??vue-loader-options!./src/components/pdf-online.vue?vue&type=script&lang=js&
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
/* harmony default export */ var pdf_onlinevue_type_script_lang_js_ = ({
  name: "pdf-online-emded",
  props: {
    pdfurl: String
  },
  mounted: function mounted() {
    // 绑定键盘事件
    window.addEventListener("keyup", this.closePdf, false);
  },
  methods: {
    // 当pdf打开时按下esc关闭PDF
    closePdf: function closePdf(e) {
      if (e == "close") {
        this.$emit("closePDF");
        return;
      }

      if (e.keyCode === 27) {
        this.$emit("closePDF");
      }
    }
  },
  computed: {
    embedPdfUrl: function embedPdfUrl() {
      return this.pdfurl;
    }
  },
  beforeDestroy: function beforeDestroy() {
    // 卸载键盘事件
    window.removeEventListener("keyup", this.closePdf, false);
  }
});
// CONCATENATED MODULE: ./src/components/pdf-online.vue?vue&type=script&lang=js&
 /* harmony default export */ var components_pdf_onlinevue_type_script_lang_js_ = (pdf_onlinevue_type_script_lang_js_); 
// EXTERNAL MODULE: ./src/components/pdf-online.vue?vue&type=style&index=0&lang=scss&
var pdf_onlinevue_type_style_index_0_lang_scss_ = __webpack_require__("cc61");

// CONCATENATED MODULE: ./src/components/pdf-online.vue






/* normalize component */

var pdf_online_component = normalizeComponent(
  components_pdf_onlinevue_type_script_lang_js_,
  pdf_onlinevue_type_template_id_0d1b0ee8_render,
  pdf_onlinevue_type_template_id_0d1b0ee8_staticRenderFns,
  false,
  null,
  null,
  null
  
)

/* harmony default export */ var pdf_online = (pdf_online_component.exports);
// CONCATENATED MODULE: ./node_modules/cache-loader/dist/cjs.js?{"cacheDirectory":"node_modules/.cache/vue-loader","cacheIdentifier":"f1e9705e-vue-loader-template"}!./node_modules/vue-loader/lib/loaders/templateLoader.js??vue-loader-options!./node_modules/cache-loader/dist/cjs.js??ref--0-0!./node_modules/vue-loader/lib??vue-loader-options!./src/components/img-online.vue?vue&type=template&id=7b435873&
var img_onlinevue_type_template_id_7b435873_render = function () {var _vm=this;var _h=_vm.$createElement;var _c=_vm._self._c||_h;return _c('div',{staticClass:"img-pre-box",on:{"click":function($event){return _vm.imgClose('close')}}},[_c('img',{staticClass:"u-img-pre",attrs:{"src":_vm.imgUrl,"alt":"图片资料"}})])}
var img_onlinevue_type_template_id_7b435873_staticRenderFns = []


// CONCATENATED MODULE: ./src/components/img-online.vue?vue&type=template&id=7b435873&

// CONCATENATED MODULE: ./node_modules/cache-loader/dist/cjs.js??ref--12-0!./node_modules/thread-loader/dist/cjs.js!./node_modules/babel-loader/lib!./node_modules/cache-loader/dist/cjs.js??ref--0-0!./node_modules/vue-loader/lib??vue-loader-options!./src/components/img-online.vue?vue&type=script&lang=js&
//
//
//
//
//
//
//
// import picZoom from "vue-piczoom";
/* harmony default export */ var img_onlinevue_type_script_lang_js_ = ({
  props: {
    url: {
      type: String
    }
  },
  mounted: function mounted() {
    // 绑定键盘事件
    window.addEventListener("keyup", this.imgClose, false);
  },
  methods: {
    imgClose: function imgClose(e) {
      if (e == "close") {
        this.$emit("closeImg");
        return;
      }

      if (e.keyCode === 27) {
        this.$emit("closeImg");
      }
    }
  },
  computed: {
    imgUrl: function imgUrl() {
      return this.url;
    }
  },
  beforeDestroy: function beforeDestroy() {
    // 卸载键盘事件
    window.removeEventListener("keyup", this.imgClose, false);
  }
});
// CONCATENATED MODULE: ./src/components/img-online.vue?vue&type=script&lang=js&
 /* harmony default export */ var components_img_onlinevue_type_script_lang_js_ = (img_onlinevue_type_script_lang_js_); 
// EXTERNAL MODULE: ./src/components/img-online.vue?vue&type=style&index=0&lang=scss&
var img_onlinevue_type_style_index_0_lang_scss_ = __webpack_require__("7a6b");

// CONCATENATED MODULE: ./src/components/img-online.vue






/* normalize component */

var img_online_component = normalizeComponent(
  components_img_onlinevue_type_script_lang_js_,
  img_onlinevue_type_template_id_7b435873_render,
  img_onlinevue_type_template_id_7b435873_staticRenderFns,
  false,
  null,
  null,
  null
  
)

/* harmony default export */ var img_online = (img_online_component.exports);
// CONCATENATED MODULE: ./node_modules/cache-loader/dist/cjs.js??ref--12-0!./node_modules/thread-loader/dist/cjs.js!./node_modules/babel-loader/lib!./node_modules/cache-loader/dist/cjs.js??ref--0-0!./node_modules/vue-loader/lib??vue-loader-options!./src/components/file-view.vue?vue&type=script&lang=js&
//
//
//
//
//
//
//
//
//
//
//
//
//

/**
 * 通用模块 预览聚合组件
 * props：无 所需参数在父组件调用本组件方法时通过方法参数传入
 * 输出：浏览关闭
 * 其他操作均在组件内部完成
 * 盒子样式请在使用时根据情况在父组件中设定，暂不在此设置统一展示方式
 */
 // 导入视频播放组件

 // 导入音频播放组件

 // 导入pdf预览组件

 // 导入img预览组件

/* harmony default export */ var file_viewvue_type_script_lang_js_ = ({
  data: function data() {
    return {
      loading: false,
      // laod状态
      type: null,
      // 文件类型
      options: null,
      // 文件地址或配置项
      show_preview: false // 是否显示文件预览

    };
  },
  props: {
    /**
     * 预览文件类型
     * video视频，audio音频，img图片，iframe其他可预览类型【txt,html,pdf】
     */
    previewType: {
      type: String,
      default: 'img'
    },

    /**
     * 文件地址或配置项
     */
    previewOptions: [Object, String]
  },
  methods: {
    // 关闭预览
    closePreview: function closePreview() {
      this.$emit("close");
    }
  },
  computed: {
    selfType: function selfType() {
      return this.previewType;
    },
    selfOptions: function selfOptions() {
      return this.previewOptions;
    }
  },
  components: {
    videoPlayer: video_player,
    audioPlayer: audio_player,
    pdfOnline: pdf_online,
    imgOnline: img_online
  }
});
// CONCATENATED MODULE: ./src/components/file-view.vue?vue&type=script&lang=js&
 /* harmony default export */ var components_file_viewvue_type_script_lang_js_ = (file_viewvue_type_script_lang_js_); 
// EXTERNAL MODULE: ./src/components/file-view.vue?vue&type=style&index=0&lang=scss&
var file_viewvue_type_style_index_0_lang_scss_ = __webpack_require__("22b1");

// CONCATENATED MODULE: ./src/components/file-view.vue






/* normalize component */

var file_view_component = normalizeComponent(
  components_file_viewvue_type_script_lang_js_,
  file_viewvue_type_template_id_68b197c1_render,
  file_viewvue_type_template_id_68b197c1_staticRenderFns,
  false,
  null,
  null,
  null
  
)

/* harmony default export */ var file_view = (file_view_component.exports);
// CONCATENATED MODULE: ./node_modules/cache-loader/dist/cjs.js?{"cacheDirectory":"node_modules/.cache/vue-loader","cacheIdentifier":"f1e9705e-vue-loader-template"}!./node_modules/vue-loader/lib/loaders/templateLoader.js??vue-loader-options!./node_modules/cache-loader/dist/cjs.js??ref--0-0!./node_modules/vue-loader/lib??vue-loader-options!./src/components/fade-in.vue?vue&type=template&id=8bba8d60&
var fade_invue_type_template_id_8bba8d60_render = function () {var _vm=this;var _h=_vm.$createElement;var _c=_vm._self._c||_h;return _c('transition',{attrs:{"name":"slide-fade"}},[_c('div',{staticClass:"box fade-in-box",class:{ 'fixed-box': _vm.fixed },style:({ width: _vm.width })},[_vm._t("default")],2)])}
var fade_invue_type_template_id_8bba8d60_staticRenderFns = []


// CONCATENATED MODULE: ./src/components/fade-in.vue?vue&type=template&id=8bba8d60&

// CONCATENATED MODULE: ./node_modules/cache-loader/dist/cjs.js??ref--12-0!./node_modules/thread-loader/dist/cjs.js!./node_modules/babel-loader/lib!./node_modules/cache-loader/dist/cjs.js??ref--0-0!./node_modules/vue-loader/lib??vue-loader-options!./src/components/fade-in.vue?vue&type=script&lang=js&
//
//
//
//
//
//
//
//
//
//
//
//
/* harmony default export */ var fade_invue_type_script_lang_js_ = ({
  props: {
    width: {
      type: String
    },
    fixed: {
      type: Boolean,
      default: false
    }
  }
});
// CONCATENATED MODULE: ./src/components/fade-in.vue?vue&type=script&lang=js&
 /* harmony default export */ var components_fade_invue_type_script_lang_js_ = (fade_invue_type_script_lang_js_); 
// EXTERNAL MODULE: ./src/components/fade-in.vue?vue&type=style&index=0&lang=scss&
var fade_invue_type_style_index_0_lang_scss_ = __webpack_require__("8e1a");

// CONCATENATED MODULE: ./src/components/fade-in.vue






/* normalize component */

var fade_in_component = normalizeComponent(
  components_fade_invue_type_script_lang_js_,
  fade_invue_type_template_id_8bba8d60_render,
  fade_invue_type_template_id_8bba8d60_staticRenderFns,
  false,
  null,
  null,
  null
  
)

/* harmony default export */ var fade_in = (fade_in_component.exports);
// CONCATENATED MODULE: ./node_modules/cache-loader/dist/cjs.js?{"cacheDirectory":"node_modules/.cache/vue-loader","cacheIdentifier":"f1e9705e-vue-loader-template"}!./node_modules/vue-loader/lib/loaders/templateLoader.js??vue-loader-options!./node_modules/cache-loader/dist/cjs.js??ref--0-0!./node_modules/vue-loader/lib??vue-loader-options!./src/components/upload-item.vue?vue&type=template&id=bf49ea52&
var upload_itemvue_type_template_id_bf49ea52_render = function () {var _vm=this;var _h=_vm.$createElement;var _c=_vm._self._c||_h;return _c('div',[_c('div',{staticClass:"upload-box"},[_vm._t("default"),_c('el-upload',{ref:"upload",staticClass:"upload-demo",attrs:{"drag":"","multiple":"","with-credentials":"","action":_vm.url,"limit":_vm.limit,"data":_vm.upOptions,"headers":_vm.headers,"file-list":_vm.fileList,"auto-upload":_vm.autoUpload,"before-upload":_vm.beforeUpload,"on-error":_vm.handleError,"on-exceed":_vm.handleExceed,"on-success":_vm.handleSuccess}},[_c('i',{staticClass:"el-icon-upload"}),_c('div',{staticClass:"el-upload__text"},[_vm._v(" 将文件拖到此处，或 "),_c('em',[_vm._v("点击上传")])])])],2)])}
var upload_itemvue_type_template_id_bf49ea52_staticRenderFns = []


// CONCATENATED MODULE: ./src/components/upload-item.vue?vue&type=template&id=bf49ea52&

// CONCATENATED MODULE: ./node_modules/cache-loader/dist/cjs.js??ref--12-0!./node_modules/thread-loader/dist/cjs.js!./node_modules/babel-loader/lib!./node_modules/cache-loader/dist/cjs.js??ref--0-0!./node_modules/vue-loader/lib??vue-loader-options!./src/components/upload-item.vue?vue&type=script&lang=js&

//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//

/**
 * auth:weilan
 * github: https://github.com/hql7
 * props: 输入
 * title:组件标题
 * templateCode:[String, Array]下载模板所需编码,多个模板时array
 * url:上传地址
 * options:上传附带参数
 * autoUpload:自动上传
 * uploadSuccess:父组件监听函数
 * reg:是否校验excel
 * path:是否显示文件路径
 * contract: 获取文件上传路径所需参数
 * defaultProps：路径树配置参数
 * view: 开启将在上传区下显示可预览文件列表区
 * iscom: 是否通用上传，仅区分通用上传使用内部通用逻辑还是采用外部逻辑
 * schedule-plan: 是否进度计划模块
 * emit: 输出
 * uploadSuccess：上传成功回调
 * length: 已上传文件列表长度
 * solt: 插槽
 *  templateMsg：下载模板的显示信息
 * --------> path模式为通用文件上传路径，文件夹的增删改均在内部完成。
 * --------> 同普通上传一致只需传入接口所需参数，输出均为上传成功回调。
 * --------> 手动上传模式均需要在父组件调用子组件方法，在父组件引入此组件时，给此组件加ref，然后this.$refs.[""].toUpload()即可!
 * --------> 此组件请使用v-if展示。使用范例：claim-apply.vue。
 */
/* harmony default export */ var upload_itemvue_type_script_lang_js_ = ({
  data: function data() {
    return {
      fileList: [] // 已上传文件

    };
  },
  props: {
    // 上传头信息
    headers: Object,
    // 上传地址
    url: {
      type: String,
      default: "" // 通用上传地址

    },
    // 上传参数
    options: Object,
    // 自动上传
    autoUpload: {
      type: Boolean,
      default: false
    },
    // 上传前校验
    reg: {
      type: Boolean,
      default: true
    },
    // 自定义校验函数
    regFuc: Function,
    // 上传个数限制
    limit: Number
  },
  methods: {
    // 手动上传
    toUpload: function toUpload() {
      this.$refs.upload.submit();
    },
    // 上传前验证
    beforeUpload: function beforeUpload(file) {
      this.$emit('beforeUpload', file); // 不校验

      if (!this.reg) return true; // 自定义校验

      if (this.regFuc) return this.regFuc(file);
    },
    // 上传成功回调
    handleSuccess: function handleSuccess(res, file, fileList) {
      this.$emit("uploadSuccess", res, file, fileList);
    },
    // 上传失败回调
    handleError: function handleError(err) {
      this.$emit("uploadError", err);
    },
    // 文件超出限制
    handleExceed: function handleExceed() {
      this.$message.error("超出文件上传个数限制，最大上传个数为：1！");
    }
  },
  computed: {
    // 上传参数
    upOptions: function upOptions() {
      return this.options;
    }
  }
});
// CONCATENATED MODULE: ./src/components/upload-item.vue?vue&type=script&lang=js&
 /* harmony default export */ var components_upload_itemvue_type_script_lang_js_ = (upload_itemvue_type_script_lang_js_); 
// EXTERNAL MODULE: ./src/components/upload-item.vue?vue&type=style&index=0&lang=scss&
var upload_itemvue_type_style_index_0_lang_scss_ = __webpack_require__("a98b");

// CONCATENATED MODULE: ./src/components/upload-item.vue






/* normalize component */

var upload_item_component = normalizeComponent(
  components_upload_itemvue_type_script_lang_js_,
  upload_itemvue_type_template_id_bf49ea52_render,
  upload_itemvue_type_template_id_bf49ea52_staticRenderFns,
  false,
  null,
  null,
  null
  
)

/* harmony default export */ var upload_item = (upload_item_component.exports);
// CONCATENATED MODULE: ./node_modules/cache-loader/dist/cjs.js??ref--12-0!./node_modules/thread-loader/dist/cjs.js!./node_modules/babel-loader/lib!./node_modules/cache-loader/dist/cjs.js??ref--0-0!./node_modules/vue-loader/lib??vue-loader-options!./src/pages/WlExplorer/index.vue?vue&type=script&lang=js&













//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
 // 导入防抖组件

 // 导入预览组件

 // 引入滑入组件

 // 导入导入组件

 // 导入组装树函数、拼接路径函数

var guid = "00000000-0000-0000-0000-000000000000";
/* harmony default export */ var WlExplorervue_type_script_lang_js_ = ({
  name: "wlExplorer",
  components: {
    submitBtn: submit_btn,
    fileView: file_view,
    fadeIn: fade_in,
    uploadItem: upload_item
  },
  data: function data() {
    return {
      load: {
        del: false,
        // 删除
        move: false,
        // 移动
        upload: false // 上传

      },
      // loading状态
      uploading: {
        name: "JS从脱贫到脱发你好长啊",
        percentage: 0,
        ing: false
      },
      // 当前上传文件状态
      layout: {
        show_list: true,
        // 文件展示形式
        edit_path: false,
        // 是否编辑路径
        view: false,
        // 预览视图
        move: false,
        // 移动视图
        upload: false // 上传视图

      },
      // 视图管理
      file: {
        pid: "",
        // 父文件夹
        id: "",
        // 文件夹id
        path: "",
        // 文件路径
        key: "" // 关键字

      },
      // 文件相关参数
      path: {
        level: 1,
        // 当前层级
        index: -1,
        // 在历史的第几步
        history: [{
          path: "",
          // 文件夹名字
          pid: "",
          // 路径
          id: "",
          // 文件夹id
          data: [] // 数据

        }] // 历史路径

      },
      // 记录路径历史
      self_data: [],
      // 当前数据
      file_checked_data: [],
      // 列表多选数据
      matched_path: false,
      // 路径输入框内是否有匹配到的数据
      tree_path: [],
      // 全部路径树数据
      move_selected: "",
      // 所选移动文件目标路径
      upload_selected: "",
      // 所选上传文件目标路径
      uoload_data: {
        pathId: null,
        parentPathId: null,
        isCurrentFolder: true
      } // 上传提交操作抛出的信息

    };
  },
  props: {
    /**
     * 头部更多操作自定义内容
     * 需要包含内容：
     * name: String 每条数据的名字
     * command: Function 每条数据的指令
     * disabled: Boolean 每条数据的禁用
     * divided: Boolean 每条数据的显示分割线
     * icon: String 每条数据的图标类名
     */
    headerDropdown: Array,
    // 是否显示复选框
    showCheckbox: {
      type: Boolean,
      default: true
    },
    // 是否显示顺序号
    showIndex: {
      type: Boolean,
      default: false
    },
    // 表格是否显示边框
    showBorder: {
      type: Boolean,
      default: true
    },
    // 文件表格数据
    data: Array,
    // 文件表头数据【[参数：所有el-Table-column Attributes] (https://element.eleme.cn/#/zh-CN/component/table)】
    columns: Array,

    /**
     * 配置项
     * isFolder: Boolean
     * name: String 表示名称列的字段
     */
    props: Object,
    // 所有文件路径 用于文件地址输入框自动提示,如不传则使用历史记录
    allPath: Array,
    // 校验是否文件夹函数，（row）参数为当前行数据，用于复杂类型，当isFolderFn优先使用计算结果，不存在时使用props配置内的isFolder字段
    isFolderFn: Function,
    // 是否锁定文件、文件夹函数,true则不可进行操作
    isLockFn: Function,
    // 是否使用自带上传组件
    useUpload: {
      type: Boolean,
      default: true
    },
    // 上传文件地址
    uploadUrl: {
      type: String,
      default: ""
    },
    //  是否校验上传文件
    uploadReg: {
      type: Boolean,
      default: false
    },
    // 上传文件前校验函数，应返回Boolean
    uploadRegFuc: Function,
    // 上传文件头参数
    uploadHeaders: Object,
    // 上传文件参数
    uploadOptions: Object,
    // 上传个数限制
    uploadLimit: Number,
    // 是否使用自带预览组件
    usePreview: {
      type: Boolean,
      default: true
    },
    // 预览文件类型
    previewType: {
      type: String,
      default: "img"
    },
    // 预览文件地址或配置项
    previewOptions: Object,
    // 拼接路径配置项
    splicOptions: Object,
    size: {
      type: String,
      default: "medium"
    }
  },
  methods: {
    /**
     * 文件夹编辑操作
     * type: string 添加add 编辑edit
     * auth: boolean 是否只修改权限
     */
    handleFolder: function handleFolder(type) {
      var _this$file_checked_da = _slicedToArray(this.file_checked_data, 1),
          _this$file_checked_da2 = _this$file_checked_da[0],
          _act = _this$file_checked_da2 === void 0 ? null : _this$file_checked_da2;

      if (type === "edit" && (!_act || !_act[this.selfIsFolder])) {
        this.$message({
          showClose: true,
          message: "请选择文件夹",
          type: "error"
        });
        return;
      } // 当前文件夹 文件夹操作类型 新增文件夹回调（只用于历史存储）


      this.$emit("handleFolder", _act, type, this.file);
      this.closeUpload();
    },
    // 文件夹删除操作
    handleDel: function handleDel() {
      var _this = this;

      if (this.file_checked_data.length === 0) {
        this.$message({
          showClose: true,
          message: "请选择要删除的文件或文件夹",
          type: "error"
        });
        return;
      } // 删除确认


      this.$confirm("是否确认删除选中数据？", {
        confirmButtonText: "确定",
        cancelButtonText: "取消",
        type: "warning"
      }).then(function () {
        _this.$emit("del", _this.file_checked_data);
      }).catch(function () {
        _this.$message({
          type: "info",
          message: "已取消删除"
        });
      });
    },
    // 更多操作
    handleDropdown: function handleDropdown(val) {
      if (typeof val === "function") {
        val(this.file);
        return;
      }

      if (val === "wl-move") {
        this.showMoveList();
      } else if (val === "wl-download") {
        this.wlDownload();
      }
    },
    // 显示文件路径输入框
    handleFilePath: function handleFilePath() {
      var _this2 = this;

      this.layout.edit_path = true;
      this.$nextTick(function () {
        _this2.$refs["file-path-ipt"].focus();
      });
    },
    // 输入文件路径
    filePathChange: function filePathChange(item) {
      var _this3 = this;

      if (!this.matched_path) {
        this.$confirm.alert("\u6587\u4EF6\u7BA1\u7406\u5668\u5185\u627E\u4E0D\u5230\"".concat(this.file.path, "\"\u3002\u8BF7\u68C0\u67E5\u62FC\u5199\u5E76\u91CD\u8BD5\u3002"), "文件资源管理器", {
          confirmButtonText: "确定",
          callback: function callback() {},
          closeOnClickModal: true,
          closeOnPressEscape: true,
          type: "error"
        });
        return;
      }

      var _act_item = this.path.history.find(function (i) {
        return i.id === item[_this3.selfProps.pathId];
      });

      if (_act_item) {
        this.routerActive(_act_item, _act_item.data);
      } else {
        this.routerPush({
          id: item[this.selfProps.pathId],
          pid: item[this.selfProps.pathPid],
          path: item[this.selfProps.pathName]
        });
      }

      this.$emit("search", this.file, !_act_item);
      this.layout.edit_path = false;
    },
    // 搜索文件
    fileSearch: function fileSearch() {
      var _this4 = this;

      if (this.file.key !== "") {
        this.$emit("search", this.file, true);
        return;
      }

      var _act_item = this.path.history.find(function (i) {
        return i.id === _this4.file.id;
      });

      _act_item ? this.routerActive(_act_item, _act_item.data) : this.$emit("search", this.file, true);
    },

    /**
     * 往历史里添加新的步骤
     * file: Object 路径数据{id: 路径id, pid: 父级路径id, path: 路径名}
     * data: Array 当前路径下的数据
     */
    routerPush: function routerPush(file) {
      var data = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : [];
      splicParentsUntil(this.allPath, file, this.selfProps);
      this.clearSearchKey();
      this.path.history.push(_objectSpread2(_objectSpread2({}, file), {}, {
        data: data
      }));
      this.self_data = data;
      this.file.pid = file.pid;
      this.file.id = file.id;
      this.file.path = splicParentsUntil(this.allPath, file, this.selfProps);
      this.path.level = !file.id || file.id === guid ? 1 : 2;
      this.path.index = -1; // 将步骤从新回到原位
    },

    /**
     * 处理当前步骤数据
     * file: Object 路径数据{id: 路径id, pid: 父级路径id, path: 路径名}
     * data: Array 当前路径下的数据
     */
    routerActive: function routerActive(file, data) {
      this.clearSearchKey();
      this.file.pid = file.pid;
      this.file.id = file.id;
      this.file.path = splicParentsUntil(this.allPath, file, this.selfProps);
      this.self_data = data;
      this.path.level = !file.id || file.id === guid ? 1 : 2;
    },

    /**
     * 手动更新历史记录的数据
     * id 路径id
     * data 所有更新的此路径下的完整数据
     */
    updateHistoryData: function updateHistoryData(id, data) {
      var _target = this.path.history.find(function (i) {
        return i.id === id;
      });

      if (!_target) return;
      _target.data = data;
    },
    // 显示可移动目录
    showMoveList: function showMoveList() {
      if (this.file_checked_data.length === 0) {
        this.$message({
          showClose: true,
          message: "请选择要移动的文件或文件夹",
          type: "error"
        });
        return;
      }

      this.layout.move = true;
    },
    // 显示下载
    wlDownload: function wlDownload() {
      if (this.file_checked_data.length === 0) {
        this.$message({
          showClose: true,
          message: "请选择要下载的文件或文件夹",
          type: "error"
        });
        return;
      }

      this.$emit("download", this.file_checked_data, download);
    },
    // 前进后退按钮操作
    pathBtn: function pathBtn(type) {
      if (type === "prv") {
        if (this.pathIsStart) return;

        if (this.path.index === -1) {
          this.path.index = this.path.history.length - 1;
        }

        this.path.index -= 1;
        var _prv = this.path.history[this.path.index];
        this.routerActive(_prv, _prv.data);
      } else if (type === "next") {
        if (this.pathIsEnd) return;
        this.path.index += 1;
        var _next = this.path.history[this.path.index];
        this.routerActive(_next, _next.data);
      } else {
        if (this.path.level === 1) return;

        var _pid = this.file.pid !== guid ? this.file.pid : "";

        var _parent_history = this.path.history.find(function (i) {
          return i.id === _pid;
        });

        if (_parent_history) {
          this.path.history.splice(this.path.history.findIndex(function (i) {
            return i.id === _pid;
          }), 1);
          this.routerPush(_parent_history, _parent_history.data);
          return;
        } // 历史记录没有时 从全部路径里找


        var _parent = this.selfPathHistory.find(function (i) {
          return i.id === _pid;
        });

        if (!_parent) return;
        this.routerPush({
          id: _parent[this.selfProps.pathId],
          pid: _parent[this.selfProps.pathPid],
          path: _parent[this.selfProps.pathName]
        });
        this.$emit("search", this.file, true);
      }
    },

    /**
     * 文件夹时进入下一级-文件时预览文件
     * row: Object 行数据
     * isFolder: Boolean 行是否文件夹
     */
    enterTheLower: function enterTheLower(row, isFolder) {
      var _this5 = this;

      if (!isFolder) {
        this.previewFile(row);
        return;
      }

      var _children = this.path.history.find(function (i) {
        return i.id === row[_this5.selfProps.pathId];
      });

      if (_children) {
        // 历史找到子集时
        this.path.history.splice(this.path.history.findIndex(function (i) {
          return i.id === row[_this5.selfProps.pathId];
        }), 1);
        this.routerPush(_children, _children.data);
        return;
      } // 历史找不到子集时 请求更新


      this.routerPush({
        id: row[this.selfProps.pathId],
        pid: row[this.selfProps.pathPid],
        path: row[this.selfProps.pathName]
      });
      this.$emit("search", this.file, true);
    },
    // 文件、文件夹移动
    fileMove: function fileMove() {
      var _this6 = this;

      this.$emit("move", this.move_selected[0], this.file_checked_data, this.load.move);
      this.$nextTick(function () {
        _this6.layout.move = false;
      });
    },
    // 显示上传界面
    showUpload: function showUpload() {
      this.upload_selected = this.file.id;
      this.uoload_data = {
        parentPathId: this.file.pid,
        pathId: this.file.id,
        isCurrentFolder: true
      };

      if (this.useUpload) {
        this.layout.upload = true;
        this.$emit("closeFade");
      } else {
        this.$emit("showUpload");
      }
    },
    // 关闭上传界面
    closeUpload: function closeUpload() {
      this.layout.upload = false;
    },
    // 文件上传路径修改
    uploadPathChange: function uploadPathChange(_ref) {
      var _ref2 = _slicedToArray(_ref, 1),
          val = _ref2[0];

      var pathId = val[this.selfProps.pathId];
      this.uoload_data = {
        parentPathId: val[this.selfProps.pathPid],
        pathId: pathId,
        isCurrentFolder: pathId == this.file.id
      };
    },
    // 文件上传提交操作
    saveUpload: function saveUpload() {
      this.$emit("upload", this.uoload_data, this.handleUpload);
    },
    // 手动上传文件
    handleUpload: function handleUpload() {
      this.$refs["upload-item"].toUpload();
    },
    // 文件上传成功回调
    uploadSuccess: function uploadSuccess(res) {
      var _this7 = this;

      this.$emit("uploadSuccess", res);
      this.closeUpload();
      if (!res.Data) return;

      var _res_data = res.Data || {};

      if (this.isFolderFn) {
        _res_data.isFolder = this.isFolderFn(_res_data);
      }

      if (this.isLockFn) {
        _res_data.isLock = this.isLockFn(_res_data);
      }

      if (this.explorer_upload_data.bizId === this.file.id) {
        this.self_data.push(_res_data); // 当前文件夹上传 当即展示 因对象引用 历史记录也会自动更改

        return;
      } // 非当前 如在历史记录里已有所选路径 则更新历史记录内的数据


      var _act = this.path.history.find(function (i) {
        return i.id === _this7.explorer_upload_data.bizId;
      });

      if (!_act) return;

      _act.data.push(_res_data);
    },
    // 文件上传前回调
    uploadBefore: function uploadBefore(file) {
      this.$emit("uploadBefore", file, this.file);
    },
    // 文件上传失败回调
    uploadError: function uploadError(err) {
      this.$emit("uploadError", err);
      this.load.upload = false;
    },
    // 地址输入框匹配
    pathQuerySearch: function pathQuerySearch(queryString, cb) {
      var restaurants = this.selfPathHistory;
      var results = queryString ? restaurants.filter(this.createFilter(queryString)) : restaurants;
      this.matched_path = results.length > 0; // 调用 callback 返回建议列表的数据

      cb(results);
    },
    createFilter: function createFilter(queryString) {
      return function (restaurant) {
        return restaurant.value.toLowerCase().indexOf(queryString.toLowerCase()) === 0;
      };
    },
    // 根据文件类型显示图标
    fileTypeIcon: function fileTypeIcon(row) {
      var _path = ""; // 文件夹

      if (row[this.selfIsFolder]) {
        _path = row[this.selfIsLock] ? __webpack_require__("62ce") : __webpack_require__("c836");
        return _path;
      } // 其他根据后缀类型


      var _suffix = row[this.selfProps.suffix];

      if (!_suffix) {
        _path = __webpack_require__("8363");
        return _path;
      }

      if (["jpg", "jpeg", "png", "gif", "bmp"].includes(_suffix)) {
        // 图片
        _path = __webpack_require__("b4e9");
      } else if (["zip", "rar", "7z"].includes(_suffix)) {
        _path = __webpack_require__("1640");
      } else if (["avi", "mp4", "rmvb", "flv", "mov", "m2v", "mkv"].includes(_suffix)) {
        _path = __webpack_require__("4565");
      } else if (["mp3", "wav", "wmv", "wma"].includes(_suffix)) {
        _path = __webpack_require__("5cb2");
      } else if (["xls", "xlsx"].includes(_suffix)) {
        _path = __webpack_require__("1635");
      } else if (["doc", "docx"].includes(_suffix)) {
        _path = __webpack_require__("cdfc");
      } else if ("pdf" == _suffix) {
        _path = __webpack_require__("3b3e");
      } else if ("ppt" == _suffix) {
        _path = __webpack_require__("82c5");
      } else if ("txt" == _suffix) {
        _path = __webpack_require__("84f5");
      } else {
        _path = __webpack_require__("8363");
      }

      return _path;
    },
    // 记录多选列表数据
    filrChecked: function filrChecked(val) {
      this.self_data.forEach(function (i) {
        return i._checked = false;
      });
      val.forEach(function (i) {
        return i._checked = true;
      });
      this.file_checked_data = val;
    },
    // 列表模式记录多选数据
    listItemCheck: function listItemCheck(check, val) {
      this.$refs["wl-table"].toggleRowSelection(val);
    },
    // 清空关键词
    clearSearchKey: function clearSearchKey() {
      this.file.key = "";
    },
    // 预览文件
    previewFile: function previewFile(row) {
      this.$emit("preview", row, this.showPreview);
    },
    // 打开预览组件
    showPreview: function showPreview() {
      this.layout.view = true;
    },
    // 处理数据变动
    handleDataChange: function handleDataChange(val) {
      var _this8 = this;

      var _data = val || [];

      if (this.isFolderFn) {
        _data.forEach(function (i) {
          i.isFolder = _this8.isFolderFn(i);
        });
      }

      if (this.isLockFn) {
        _data.forEach(function (i) {
          i.isLock = _this8.isLockFn(i);
        });
      }

      if (this.file.key) {
        this.self_data = _data;
        return;
      }

      var _act = this.path.history.find(function (i) {
        return i.id === _this8.file.id;
      });

      if (!_act) return;
      _act.data = _data;
      this.routerActive(_act, _data);
    }
  },
  computed: {
    // 自身头部更多操作自定义内容
    selfHeaderDropdown: function selfHeaderDropdown() {
      var _data = this.headerDropdown || [];

      _data.forEach(function (i, idex) {
        i.id = i.id || "h-drop-id-".concat(idex);
      });

      return _data;
    },
    // 自身表头数据
    selfColumns: function selfColumns() {
      var _data = this.columns || [];

      _data.forEach(function (i, idx) {
        i._id = "_col_".concat(idx);
      });

      return _data;
    },
    // 自身配置项
    selfProps: function selfProps() {
      return _objectSpread2({
        isFolder: "isFolder",
        // Boolean 用于有布尔值字段表示数据是否文件夹类型的情况,当使用isFolderFn函数时，此参数会被忽略
        isLock: "isLock",
        // Boolean 用于有布尔值字段表示数据是否锁定文件类型的情况,当使用isLockFn函数时，此参数被忽略
        name: "name",
        // String 用于显示名称列的字段
        suffix: "suffix",
        // String 用于判断后缀或显示文件类型列的字段
        match: "name",
        // String 用于设定输入框自动补全的匹配字段
        splic: true,
        // Boolean 用于设定输入框自动补全的匹配字段是否需要将match字段和祖先节点拼接
        pathName: "name",
        // String 路径数据 显示名称字段
        pathId: "id",
        // String 路径数据 id字段
        pathPid: "pid",
        // String 路径数据 pid字段
        pathChildren: "children",
        // String 路径数据 children字段
        pathDisabled: "disabled",
        // String 路径数据 禁用字段
        pathConnector: "\\",
        // String 路径父子数据拼接连接符,默认为'\'
        pathParents: "parents",
        // String 路径数据所有直系祖先节点自增长identityId逗号拼接
        pathIdentityId: "identityId"
      }, this.props);
    },
    // 自身移动 下拉框树 配置项
    selfMoveProps: function selfMoveProps() {
      return {
        label: this.selfProps.pathName,
        children: this.selfProps.pathChildren,
        disabled: this.selfProps.pathDisabled
      };
    },
    // 将是否文件夹的两种判断方式合并返回
    selfIsFolder: function selfIsFolder() {
      return this.isFolderFn ? "isFolder" : this.selfProps.isFolder;
    },
    // 将是否锁定文件、文件夹的两种判断方式合并返回
    selfIsLock: function selfIsLock() {
      return this.isLockFn ? "isLock" : this.selfProps.isLock;
    },
    // 当前是否最后一步
    pathIsEnd: function pathIsEnd() {
      return this.path.history[this.path.history.length - 1].id === this.file.id;
    },
    // 当前是否最后一步
    pathIsStart: function pathIsStart() {
      return this.path.history[0].id === this.file.id;
    },
    // 自身文件路径输入框提示列表
    selfPathHistory: function selfPathHistory() {
      var _this9 = this;

      var _all_path = this.allPath || [];

      if (this.selfProps.splic) {
        this.allPath.forEach(function (i) {
          i.id = i[_this9.selfProps.pathId];
          i.value = splicParentsUntil(_all_path, i, _this9.selfProps);
        });
      } else {
        this.allPath.forEach(function (i) {
          i.value = i[_this9.selfProps.match];
        });
      }

      return this.allPath || this.path.history || [];
    },
    // 是否禁用编辑文件夹按钮
    disabledEditFolder: function disabledEditFolder() {
      return this.file_checked_data.length !== 1 || !this.file_checked_data[0][this.selfIsFolder];
    }
  },
  watch: {
    // 检测data数据更新列表
    data: function data(val) {
      this.handleDataChange(val);
    },
    // 检测所有路径，组成树
    allPath: function allPath(val) {
      var options = {
        id: this.selfProps.pathId,
        pid: this.selfProps.pathPid,
        children: this.selfProps.pathChildren
      };
      this.tree_path = arrayToTree(val || [], options);
    }
  },
  created: function created() {
    if (this.data && this.data.length > 0) {
      this.handleDataChange(this.data);
    }
  }
});
// CONCATENATED MODULE: ./src/pages/WlExplorer/index.vue?vue&type=script&lang=js&
 /* harmony default export */ var pages_WlExplorervue_type_script_lang_js_ = (WlExplorervue_type_script_lang_js_); 
// EXTERNAL MODULE: ./src/pages/WlExplorer/index.vue?vue&type=style&index=0&lang=scss&
var WlExplorervue_type_style_index_0_lang_scss_ = __webpack_require__("6267");

// CONCATENATED MODULE: ./src/pages/WlExplorer/index.vue






/* normalize component */

var WlExplorer_component = normalizeComponent(
  pages_WlExplorervue_type_script_lang_js_,
  render,
  staticRenderFns,
  false,
  null,
  null,
  null
  
)

/* harmony default export */ var WlExplorer = (WlExplorer_component.exports);
// CONCATENATED MODULE: ./src/pages/WlExplorer/index.js



WlExplorer.install = function (Vue) {
  Vue.component(WlExplorer.name, WlExplorer);
};

/* harmony default export */ var pages_WlExplorer = (WlExplorer);
// CONCATENATED MODULE: ./src/pages/index.js




var components = [pages_WlExplorer];

var install = function install(Vue) {
  components.forEach(function (component) {
    Vue.component(component.name, component);
  });
};

if (typeof window !== "undefined" && window.Vue) {
  install(window.Vue);
}

/* harmony default export */ var pages = ({
  install: install,
  wlExplorer: pages_WlExplorer
});
// CONCATENATED MODULE: ./node_modules/@vue/cli-service/lib/commands/build/entry-lib.js


/* harmony default export */ var entry_lib = __webpack_exports__["default"] = (pages);



/***/ }),

/***/ "fb6a":
/***/ (function(module, exports, __webpack_require__) {

"use strict";

var $ = __webpack_require__("23e7");
var isObject = __webpack_require__("861d");
var isArray = __webpack_require__("e8b5");
var toAbsoluteIndex = __webpack_require__("23cb");
var toLength = __webpack_require__("50c4");
var toIndexedObject = __webpack_require__("fc6a");
var createProperty = __webpack_require__("8418");
var wellKnownSymbol = __webpack_require__("b622");
var arrayMethodHasSpeciesSupport = __webpack_require__("1dde");
var arrayMethodUsesToLength = __webpack_require__("ae40");

var HAS_SPECIES_SUPPORT = arrayMethodHasSpeciesSupport('slice');
var USES_TO_LENGTH = arrayMethodUsesToLength('slice', { ACCESSORS: true, 0: 0, 1: 2 });

var SPECIES = wellKnownSymbol('species');
var nativeSlice = [].slice;
var max = Math.max;

// `Array.prototype.slice` method
// https://tc39.github.io/ecma262/#sec-array.prototype.slice
// fallback for not array-like ES3 strings and DOM objects
$({ target: 'Array', proto: true, forced: !HAS_SPECIES_SUPPORT || !USES_TO_LENGTH }, {
  slice: function slice(start, end) {
    var O = toIndexedObject(this);
    var length = toLength(O.length);
    var k = toAbsoluteIndex(start, length);
    var fin = toAbsoluteIndex(end === undefined ? length : end, length);
    // inline `ArraySpeciesCreate` for usage native `Array#slice` where it's possible
    var Constructor, result, n;
    if (isArray(O)) {
      Constructor = O.constructor;
      // cross-realm fallback
      if (typeof Constructor == 'function' && (Constructor === Array || isArray(Constructor.prototype))) {
        Constructor = undefined;
      } else if (isObject(Constructor)) {
        Constructor = Constructor[SPECIES];
        if (Constructor === null) Constructor = undefined;
      }
      if (Constructor === Array || Constructor === undefined) {
        return nativeSlice.call(O, k, fin);
      }
    }
    result = new (Constructor === undefined ? Array : Constructor)(max(fin - k, 0));
    for (n = 0; k < fin; k++, n++) if (k in O) createProperty(result, n, O[k]);
    result.length = n;
    return result;
  }
});


/***/ }),

/***/ "fc6a":
/***/ (function(module, exports, __webpack_require__) {

// toObject with fallback for non-array-like ES3 strings
var IndexedObject = __webpack_require__("44ad");
var requireObjectCoercible = __webpack_require__("1d80");

module.exports = function (it) {
  return IndexedObject(requireObjectCoercible(it));
};


/***/ }),

/***/ "fda2":
/***/ (function(module, exports, __webpack_require__) {

// extracted by mini-css-extract-plugin

/***/ }),

/***/ "fdbc":
/***/ (function(module, exports) {

// iterable DOM collections
// flag - `iterable` interface - 'entries', 'keys', 'values', 'forEach' methods
module.exports = {
  CSSRuleList: 0,
  CSSStyleDeclaration: 0,
  CSSValueList: 0,
  ClientRectList: 0,
  DOMRectList: 0,
  DOMStringList: 0,
  DOMTokenList: 1,
  DataTransferItemList: 0,
  FileList: 0,
  HTMLAllCollection: 0,
  HTMLCollection: 0,
  HTMLFormElement: 0,
  HTMLSelectElement: 0,
  MediaList: 0,
  MimeTypeArray: 0,
  NamedNodeMap: 0,
  NodeList: 1,
  PaintRequestList: 0,
  Plugin: 0,
  PluginArray: 0,
  SVGLengthList: 0,
  SVGNumberList: 0,
  SVGPathSegList: 0,
  SVGPointList: 0,
  SVGStringList: 0,
  SVGTransformList: 0,
  SourceBufferList: 0,
  StyleSheetList: 0,
  TextTrackCueList: 0,
  TextTrackList: 0,
  TouchList: 0
};


/***/ }),

/***/ "fdbf":
/***/ (function(module, exports, __webpack_require__) {

var NATIVE_SYMBOL = __webpack_require__("4930");

module.exports = NATIVE_SYMBOL
  // eslint-disable-next-line no-undef
  && !Symbol.sham
  // eslint-disable-next-line no-undef
  && typeof Symbol.iterator == 'symbol';


/***/ })

/******/ });
});
//# sourceMappingURL=wl-explorer.umd.js.map