diff --git a/src/main/webapp/static/plugins/wl-explorer/wl-explorer.css b/src/main/webapp/static/plugins/wl-explorer/wl-explorer.css
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diff --git a/src/main/webapp/static/plugins/wl-explorer/wl-explorer.umd.js b/src/main/webapp/static/plugins/wl-explorer/wl-explorer.umd.js
new file mode 100644
index 00000000..c55af07d
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+ 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__) {
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+/******/
+/******/ // Load entry module and return exports
+/******/ return __webpack_require__(__webpack_require__.s = "fb15");
+/******/ })
+/************************************************************************/
+/******/ ({
+
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+/***/ (function(module, exports) {
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+/* (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");
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+ aFunction(fn);
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+ 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);
+ };
+};
+
+
+/***/ }),
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+/***/ "057f":
+/***/ (function(module, exports, __webpack_require__) {
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+
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+
+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__) {
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+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;
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+// https://tc39.github.io/ecma262/#sec-object.getownpropertydescriptor
+exports.f = DESCRIPTORS ? nativeGetOwnPropertyDescriptor : function getOwnPropertyDescriptor(O, P) {
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+ 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":
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+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,iVBORw0KGgoAAAANSUhEUgAAAEIAAABCCAYAAADjVADoAAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAA+tpVFh0WE1MOmNvbS5hZG9iZS54bXAAAAAAADw/eHBhY2tldCBiZWdpbj0i77u/IiBpZD0iVzVNME1wQ2VoaUh6cmVTek5UY3prYzlkIj8+IDx4OnhtcG1ldGEgeG1sbnM6eD0iYWRvYmU6bnM6bWV0YS8iIHg6eG1wdGs9IkFkb2JlIFhNUCBDb3JlIDUuNi1jMTM4IDc5LjE1OTgyNCwgMjAxNi8wOS8xNC0wMTowOTowMSAgICAgICAgIj4gPHJkZjpSREYgeG1sbnM6cmRmPSJodHRwOi8vd3d3LnczLm9yZy8xOTk5LzAyLzIyLXJkZi1zeW50YXgtbnMjIj4gPHJkZjpEZXNjcmlwdGlvbiByZGY6YWJvdXQ9IiIgeG1sbnM6eG1wPSJodHRwOi8vbnMuYWRvYmUuY29tL3hhcC8xLjAvIiB4bWxuczpkYz0iaHR0cDovL3B1cmwub3JnL2RjL2VsZW1lbnRzLzEuMS8iIHhtbG5zOnhtcE1NPSJodHRwOi8vbnMuYWRvYmUuY29tL3hhcC8xLjAvbW0vIiB4bWxuczpzdFJlZj0iaHR0cDovL25zLmFkb2JlLmNvbS94YXAvMS4wL3NUeXBlL1Jlc291cmNlUmVmIyIgeG1wOkNyZWF0b3JUb29sPSJBZG9iZSBQaG90b3Nob3AgQ0MgMjAxNyAoV2luZG93cykiIHhtcDpDcmVhdGVEYXRlPSIyMDE5LTEwLTI0VDEzOjE4OjI2KzA4OjAwIiB4bXA6TW9kaWZ5RGF0ZT0iMjAxOS0xMC0yNFQxNDoxMzo1MSswODowMCIgeG1wOk1ldGFkYXRhRGF0ZT0iMjAxOS0xMC0yNFQxNDoxMzo1MSswODowMCIgZGM6Zm9ybWF0PSJpbWFnZS9wbmciIHhtcE1NOkluc3RhbmNlSUQ9InhtcC5paWQ6NzJDQUU3MzBGNjI1MTFFOTk2QjhBMEYwQzMyRkI0MEIiIHhtcE1NOkRvY3VtZW50SUQ9InhtcC5kaWQ6NzJDQUU3MzFGNjI1MTFFOTk2QjhBMEYwQzMyRkI0MEIiPiA8eG1wTU06RGVyaXZlZEZyb20gc3RSZWY6aW5zdGFuY2VJRD0ieG1wLmlpZDo3MkNBRTcyRUY2MjUxMUU5OTZCOEEwRjBDMzJGQjQwQiIgc3RSZWY6ZG9jdW1lbnRJRD0ieG1wLmRpZDo3MkNBRTcyRkY2MjUxMUU5OTZCOEEwRjBDMzJGQjQwQiIvPiA8L3JkZjpEZXNjcmlwdGlvbj4gPC9yZGY6UkRGPiA8L3g6eG1wbWV0YT4gPD94cGFja2V0IGVuZD0iciI/PmWGqMYAAAQ4SURBVHja7JxZTBNhEMdnbSlHW0SNbUEUiwoaxQMTNTHxjEe8Dx40PqEmXsHom9HEROODMRofRLzPxCsaH9Qo+sAdjUFixCuKsgtoBSJYuVp6Ol+1az85xGJpd/tNMoGdb3fT/rIz859vCZzb7QZmAP0YAgaCMuXfTlhXdlaFP46iZ6JHB+NDJqsH2/SR2t1ZyXOP9OY+3ZWBnjwRh9C3BgsCMQXXT5WqMRzOrszbF8zU2BgKjy7CAISx93hl/oFggVCHTEHjOEjR6PcEAobkiqUIg88/GvZdg8DANNmRw+fnhH375NBTNIYt/wuGpHWEF8YJvuBc2AuqnzD060/yhdeYskQbpdGt6Q0MWUlsAuOUUHiTzRpoI9W6jNNCUS4butBGqAcv+FcYsp0+CYwzQtEjWYGwuRz+Tq3zzleVPJENCJPFDK3Odr+uTYoZNK0nMCQBwu52Qm7dK6hrbwoYDKVUct5st8C92nLPnKHkFP7cYlrmsOnSB+E1l9sNNrfjv9+X7VkyEAxEcGrEyvhJsEifRsXOVhXD0298l9cMiFDD/tHLIEoRIcZKzQKgWpTuE3Gn9gXUYtuLUahEJ9U7VhnV5Vi9xTgTBqrU4vkWpw2u1DyVdmo43S7IrswDq8suxrQIoatWNl83FsZqE6jrj+H1/gqqkKoRRAidqyqhYlMGGGEquq8NiYqDtYlTqNiNz6VQ0Vovn2L5uPEjFDdUUDHfFCHvLbYZZ0OEj1h6/r0a7te9lF/XuFj9GL5Yv3eaIhkJk4kUFtcaba1wUiiEvnpX36cgSJ3I5vPAgXnvmyLrEqfCUsN4Sj1m8/nQ4mjvs8/W5zpCaGuAq5/oDkDaK+fpFz/tpukZvGuplb+gelT/GvO/ptO1F02f4C623LBQliTvSRdx/fGanhyfEYohGH/DEzSJvcSQ5hmpqQ+DxyQeNrPGpP7DYKFuXKdrJJ6O67IHQeaIzcNnUrEGWwt1vPmXxJYtCPLobzPOAo0yUozxbV9h15vbUN/eLMbUikjIMs7pkDqyAbHCMBHGaOPFY7vLCTl8AbThUHVCKMAi+btMpmj0sDp+svxApGoMsCohnYpdxznCZDV7fn/fUodts5xaXx4/gRrAJA+CpEJW8mxKNL1uNsHD+lfUebdMZVCFguv3SM7BVkylWGW09EGQr74paYanSHqNpMIpoaiDXiAj93GU1mT73mtxETGe/QlO6iDI/kJ6XBIVu1zzpEOn8NpnTBUyevva+NhEWOwziwTCArpVR0ZsohneNn8RY9WWxg7j+J9GXuYMjR4IOpVWjKVph0BJwwcw29ukB6LJYYWDFQ/8kuCB3J8MKYkdasZAMBAMBAPBQDAQDAQDwUAwEAwEA8FABBmEVSbf1dpbEJdkAuJ8d4s92ZjZjm5D34AeI0EAFvQL6Du7O4lj/zaBFUsGojP7IcAAEiJculn/Dq0AAAAASUVORK5CYII="
+
+/***/ }),
+
+/***/ "1640":
+/***/ (function(module, exports) {
+
+module.exports = "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAEIAAABCCAYAAADjVADoAAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAA+tpVFh0WE1MOmNvbS5hZG9iZS54bXAAAAAAADw/eHBhY2tldCBiZWdpbj0i77u/IiBpZD0iVzVNME1wQ2VoaUh6cmVTek5UY3prYzlkIj8+IDx4OnhtcG1ldGEgeG1sbnM6eD0iYWRvYmU6bnM6bWV0YS8iIHg6eG1wdGs9IkFkb2JlIFhNUCBDb3JlIDUuNi1jMTM4IDc5LjE1OTgyNCwgMjAxNi8wOS8xNC0wMTowOTowMSAgICAgICAgIj4gPHJkZjpSREYgeG1sbnM6cmRmPSJodHRwOi8vd3d3LnczLm9yZy8xOTk5LzAyLzIyLXJkZi1zeW50YXgtbnMjIj4gPHJkZjpEZXNjcmlwdGlvbiByZGY6YWJvdXQ9IiIgeG1sbnM6eG1wPSJodHRwOi8vbnMuYWRvYmUuY29tL3hhcC8xLjAvIiB4bWxuczpkYz0iaHR0cDovL3B1cmwub3JnL2RjL2VsZW1lbnRzLzEuMS8iIHhtbG5zOnhtcE1NPSJodHRwOi8vbnMuYWRvYmUuY29tL3hhcC8xLjAvbW0vIiB4bWxuczpzdFJlZj0iaHR0cDovL25zLmFkb2JlLmNvbS94YXAvMS4wL3NUeXBlL1Jlc291cmNlUmVmIyIgeG1wOkNyZWF0b3JUb29sPSJBZG9iZSBQaG90b3Nob3AgQ0MgMjAxNyAoV2luZG93cykiIHhtcDpDcmVhdGVEYXRlPSIyMDE5LTEwLTI0VDEzOjE4OjI2KzA4OjAwIiB4bXA6TW9kaWZ5RGF0ZT0iMjAxOS0xMC0yNFQxMzoyMzoxOCswODowMCIgeG1wOk1ldGFkYXRhRGF0ZT0iMjAxOS0xMC0yNFQxMzoyMzoxOCswODowMCIgZGM6Zm9ybWF0PSJpbWFnZS9wbmciIHhtcE1NOkluc3RhbmNlSUQ9InhtcC5paWQ6NjM0NUExOTdGNjFFMTFFOUFERkREMUY1RDBGOEZBMTUiIHhtcE1NOkRvY3VtZW50SUQ9InhtcC5kaWQ6NjM0NUExOThGNjFFMTFFOUFERkREMUY1RDBGOEZBMTUiPiA8eG1wTU06RGVyaXZlZEZyb20gc3RSZWY6aW5zdGFuY2VJRD0ieG1wLmlpZDo2MzQ1QTE5NUY2MUUxMUU5QURGREQxRjVEMEY4RkExNSIgc3RSZWY6ZG9jdW1lbnRJRD0ieG1wLmRpZDo2MzQ1QTE5NkY2MUUxMUU5QURGREQxRjVEMEY4RkExNSIvPiA8L3JkZjpEZXNjcmlwdGlvbj4gPC9yZGY6UkRGPiA8L3g6eG1wbWV0YT4gPD94cGFja2V0IGVuZD0iciI/PnqbhmsAAALuSURBVHjaYvz//z/DKGBgYBoNgtGAGA2I0YDAA1hgjNwzDFxAqgmII4CYh1KDOX9+Y2yaXsZLjFq22kJGJlkpOP/3qk3//+45jFVtacGUT1Ty+xcgXgHEdZNNGL6xIEnMBuIoaoYyx6/vRCpkY2Dg4oRzWRn/M7Li1stPJeeBzCkGYkkgjkbOGhEjNFdEoGQNupYX3Q2o/F37GRievUDwX7yieznJMiBxIC+LygcFwtWbo7XGoKo16AoWrkDl21kxMDjYIPhHTjAwXLw6AgJi627MMgM5uzx4RPeAGM0aA5oiQv1R+TduoxaW9x+NlIDwQ+U3do3WGiM7a1xDi30FOWATmwvBf/SUgeHlqxEQEA1d+GsNUPWKXrOMZo3hnCJAWQEZfAP2NF+/ReWPiIDoqh+tNQYrGA0IKGCEz2vcSKfuBMcPIG77g12OmwuV31TBwCArTVyt0USD3Kwxk3Fgyoiv31D5//6NZo2RXX1ORWtQrdrAwPDwCYL/7v0ICQhRYVT+m7eQMYjRrDFSs8a0eah8F3sGBi9XBH/fYQaGsxdHQEAcOIrK93ZF7XRduzmaNUZW1kiIROVfusbAcOo8gn/r7ggJCC+X0U7XaNZABqfPo/LVlIFtCxEE/859BoYnz0ZAQHRPQeM3YA7V0TkgRrPGgKYIbXVU/oePqPxPn0dIQNSXjdYao1kDH+DgQB21+vWLgeH3n4EJiOivplQ1mOvnH4bZDKexS4YlE641cAzVUdudILB0NGuMlhGDpIwYHaqDgtGhutGsgb+vARqmQ15OtGMfA8OJMyOw9xnmj1p9osuPZo3hniJGh+pgZcLoUN1o1kABB4+h8nU0UZcTgeY16LzodIBalnMJd7roHBCjWWNAU8QgH6r7C8TMdLF1cA3V/UXPGitGaK5YgZ4iUoEYNJkQBsQCVLCA8Ts7M9Z9nxzfvjMi838xMfz/x050YqTWvs8PoAEAUPoEO3b0tIDRWmM0IEYDAg8ACDAAx0vhYst0UhcAAAAASUVORK5CYII="
+
+/***/ }),
+
+/***/ "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,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"
+
+/***/ }),
+
+/***/ "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
+ * Copyright Brightcove, Inc.
+ * Available under Apache License Version 2.0
+ *
+ *
+ * Includes vtt.js
+ * Available under Apache License Version 2.0
+ *
+ */
+
+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 = 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 = 'x';
+ 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'