3 exports.__esModule = true;
5 var _browser = require('../utils/browser.js');
7 var browser = _interopRequireWildcard(_browser);
9 var _document = require('global/document');
11 var _document2 = _interopRequireDefault(_document);
13 function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }
15 function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj['default'] = obj; return newObj; } }
17 function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } /**
18 * @file html-track-element-list.js
22 * The current list of {@link HtmlTrackElement}s.
24 var HtmlTrackElementList = function () {
27 * Create an instance of this class.
29 * @param {HtmlTrackElement[]} [tracks=[]]
30 * A list of `HtmlTrackElement` to instantiate the list with.
32 function HtmlTrackElementList() {
33 var trackElements = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];
35 _classCallCheck(this, HtmlTrackElementList);
37 var list = this; // eslint-disable-line
40 list = _document2['default'].createElement('custom');
42 for (var prop in HtmlTrackElementList.prototype) {
43 if (prop !== 'constructor') {
44 list[prop] = HtmlTrackElementList.prototype[prop];
49 list.trackElements_ = [];
52 * @member {number} length
53 * The current number of `Track`s in the this Trackist.
55 Object.defineProperty(list, 'length', {
57 return this.trackElements_.length;
61 for (var i = 0, length = trackElements.length; i < length; i++) {
62 list.addTrackElement_(trackElements[i]);
71 * Add an {@link HtmlTrackElement} to the `HtmlTrackElementList`
73 * @param {HtmlTrackElement} trackElement
74 * The track element to add to the list.
80 HtmlTrackElementList.prototype.addTrackElement_ = function addTrackElement_(trackElement) {
81 var index = this.trackElements_.length;
83 if (!('' + index in this)) {
84 Object.defineProperty(this, index, {
86 return this.trackElements_[index];
91 // Do not add duplicate elements
92 if (this.trackElements_.indexOf(trackElement) === -1) {
93 this.trackElements_.push(trackElement);
98 * Get an {@link HtmlTrackElement} from the `HtmlTrackElementList` given an
101 * @param {TextTrack} track
102 * The track associated with a track element.
104 * @return {HtmlTrackElement|undefined}
105 * The track element that was found or undefined.
111 HtmlTrackElementList.prototype.getTrackElementByTrack_ = function getTrackElementByTrack_(track) {
112 var trackElement_ = void 0;
114 for (var i = 0, length = this.trackElements_.length; i < length; i++) {
115 if (track === this.trackElements_[i].track) {
116 trackElement_ = this.trackElements_[i];
122 return trackElement_;
126 * Remove a {@link HtmlTrackElement} from the `HtmlTrackElementList`
128 * @param {HtmlTrackElement} trackElement
129 * The track element to remove from the list.
135 HtmlTrackElementList.prototype.removeTrackElement_ = function removeTrackElement_(trackElement) {
136 for (var i = 0, length = this.trackElements_.length; i < length; i++) {
137 if (trackElement === this.trackElements_[i]) {
138 this.trackElements_.splice(i, 1);
145 return HtmlTrackElementList;
148 exports['default'] = HtmlTrackElementList;