aleph1.co.uk Git - yaffs-website/blob - node_modules/video.js/es5/control-bar/track-button.js

   1 'use strict';
   2
   3 exports.__esModule = true;
   4
   5 var _menuButton = require('../menu/menu-button.js');
   6
   7 var _menuButton2 = _interopRequireDefault(_menuButton);
   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 track-button.js
  27                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 */
  28
  29
  30 /**
  31  * The base class for buttons that toggle specific  track types (e.g. subtitles).
  32  *
  33  * @extends MenuButton
  34  */
  35 var TrackButton = function (_MenuButton) {
  36   _inherits(TrackButton, _MenuButton);
  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 TrackButton(player, options) {
  48     _classCallCheck(this, TrackButton);
  49
  50     var tracks = options.tracks;
  51
  52     var _this = _possibleConstructorReturn(this, _MenuButton.call(this, player, options));
  53
  54     if (_this.items.length <= 1) {
  55       _this.hide();
  56     }
  57
  58     if (!tracks) {
  59       return _possibleConstructorReturn(_this);
  60     }
  61
  62     var updateHandler = Fn.bind(_this, _this.update);
  63
  64     tracks.addEventListener('removetrack', updateHandler);
  65     tracks.addEventListener('addtrack', updateHandler);
  66
  67     _this.player_.on('dispose', function () {
  68       tracks.removeEventListener('removetrack', updateHandler);
  69       tracks.removeEventListener('addtrack', updateHandler);
  70     });
  71     return _this;
  72   }
  73
  74   return TrackButton;
  75 }(_menuButton2['default']);
  76
  77 _component2['default'].registerComponent('TrackButton', TrackButton);
  78 exports['default'] = TrackButton;