www.aleph1.co.uk Git - yaffs-website/blob - node_modules/video.js/es5/control-bar/audio-track-controls/audio-track-menu-item.js

   1 'use strict';
   2
   3 exports.__esModule = true;
   4
   5 var _menuItem = require('../../menu/menu-item.js');
   6
   7 var _menuItem2 = _interopRequireDefault(_menuItem);
   8
   9 var _component = require('../../component.js');
  10
  11 var _component2 = _interopRequireDefault(_component);
  12
  13 var _fn = require('../../utils/fn.js');
  14
  15 var Fn = _interopRequireWildcard(_fn);
  16
  17 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; } }
  18
  19 function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }
  20
  21 function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  22
  23 function _possibleConstructorReturn(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; }
  24
  25 function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } 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; } /**
  26                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 * @file audio-track-menu-item.js
  27                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 */
  28
  29
  30 /**
  31  * An {@link AudioTrack} {@link MenuItem}
  32  *
  33  * @extends MenuItem
  34  */
  35 var AudioTrackMenuItem = function (_MenuItem) {
  36   _inherits(AudioTrackMenuItem, _MenuItem);
  37
  38   /**
  39    * Creates an instance of this class.
  40    *
  41    * @param {Player} player
  42    *        The `Player` that this class should be attached to.
  43    *
  44    * @param {Object} [options]
  45    *        The key/value store of player options.
  46    */
  47   function AudioTrackMenuItem(player, options) {
  48     _classCallCheck(this, AudioTrackMenuItem);
  49
  50     var track = options.track;
  51     var tracks = player.audioTracks();
  52
  53     // Modify options for parent MenuItem class's init.
  54     options.label = track.label || track.language || 'Unknown';
  55     options.selected = track.enabled;
  56
  57     var _this = _possibleConstructorReturn(this, _MenuItem.call(this, player, options));
  58
  59     _this.track = track;
  60
  61     if (tracks) {
  62       var changeHandler = Fn.bind(_this, _this.handleTracksChange);
  63
  64       tracks.addEventListener('change', changeHandler);
  65       _this.on('dispose', function () {
  66         tracks.removeEventListener('change', changeHandler);
  67       });
  68     }
  69     return _this;
  70   }
  71
  72   /**
  73    * This gets called when an `AudioTrackMenuItem is "clicked". See {@link ClickableComponent}
  74    * for more detailed information on what a click can be.
  75    *
  76    * @param {EventTarget~Event} [event]
  77    *        The `keydown`, `tap`, or `click` event that caused this function to be
  78    *        called.
  79    *
  80    * @listens tap
  81    * @listens click
  82    */
  83
  84
  85   AudioTrackMenuItem.prototype.handleClick = function handleClick(event) {
  86     var tracks = this.player_.audioTracks();
  87
  88     _MenuItem.prototype.handleClick.call(this, event);
  89
  90     if (!tracks) {
  91       return;
  92     }
  93
  94     for (var i = 0; i < tracks.length; i++) {
  95       var track = tracks[i];
  96
  97       track.enabled = track === this.track;
  98     }
  99   };
 100
 101   /**
 102    * Handle any {@link AudioTrack} change.
 103    *
 104    * @param {EventTarget~Event} [event]
 105    *        The {@link AudioTrackList#change} event that caused this to run.
 106    *
 107    * @listens AudioTrackList#change
 108    */
 109
 110
 111   AudioTrackMenuItem.prototype.handleTracksChange = function handleTracksChange(event) {
 112     this.selected(this.track.enabled);
 113   };
 114
 115   return AudioTrackMenuItem;
 116 }(_menuItem2['default']);
 117
 118 _component2['default'].registerComponent('AudioTrackMenuItem', AudioTrackMenuItem);
 119 exports['default'] = AudioTrackMenuItem;