'use strict';

exports.__esModule = true;

var _menuButton = require('../menu/menu-button.js');

var _menuButton2 = _interopRequireDefault(_menuButton);

var _component = require('../component.js');

var _component2 = _interopRequireDefault(_component);

var _fn = require('../utils/fn.js');

var Fn = _interopRequireWildcard(_fn);

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; } }

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }

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

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; }

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; } /**
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                * @file track-button.js
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                */


/**
 * The base class for buttons that toggle specific  track types (e.g. subtitles).
 *
 * @extends MenuButton
 */
var TrackButton = function (_MenuButton) {
  _inherits(TrackButton, _MenuButton);

  /**
   * Creates an instance of this class.
   *
   * @param {Player} player
   *        The `Player` that this class should be attached to.
   *
   * @param {Object} [options]
   *        The key/value store of player options.
   */
  function TrackButton(player, options) {
    _classCallCheck(this, TrackButton);

    var tracks = options.tracks;

    var _this = _possibleConstructorReturn(this, _MenuButton.call(this, player, options));

    if (_this.items.length <= 1) {
      _this.hide();
    }

    if (!tracks) {
      return _possibleConstructorReturn(_this);
    }

    var updateHandler = Fn.bind(_this, _this.update);

    tracks.addEventListener('removetrack', updateHandler);
    tracks.addEventListener('addtrack', updateHandler);

    _this.player_.on('dispose', function () {
      tracks.removeEventListener('removetrack', updateHandler);
      tracks.removeEventListener('addtrack', updateHandler);
    });
    return _this;
  }

  return TrackButton;
}(_menuButton2['default']);

_component2['default'].registerComponent('TrackButton', TrackButton);
exports['default'] = TrackButton;