X-Git-Url: http://www.aleph1.co.uk/gitweb/?p=yaffs-website;a=blobdiff_plain;f=node_modules%2Fvideo.js%2Fes5%2Ftracks%2Fvideo-track-list.js;fp=node_modules%2Fvideo.js%2Fes5%2Ftracks%2Fvideo-track-list.js;h=83f08446870fed32f38116ec3ac6f8e543667d41;hp=0000000000000000000000000000000000000000;hb=a2bd1bf0c2c1f1a17d188f4dc0726a45494cefae;hpb=57c063afa3f66b07c4bbddc2d6129a96d90f0aad

diff --git a/node_modules/video.js/es5/tracks/video-track-list.js b/node_modules/video.js/es5/tracks/video-track-list.js
new file mode 100644
index 000000000..83f084468
--- /dev/null
+++ b/node_modules/video.js/es5/tracks/video-track-list.js
@@ -0,0 +1,193 @@
+'use strict';
+
+exports.__esModule = true;
+
+var _trackList = require('./track-list');
+
+var _trackList2 = _interopRequireDefault(_trackList);
+
+var _browser = require('../utils/browser.js');
+
+var browser = _interopRequireWildcard(_browser);
+
+var _document = require('global/document');
+
+var _document2 = _interopRequireDefault(_document);
+
+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 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 = function disableOthers(list, track) {
+  for (var i = 0; i < list.length; i++) {
+    if (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(tracks, tracks[i]);
+        break;
+      }
+    }
+
+    // IE8 forces us to implement inheritance ourselves
+    // as it does not support Object.defineProperty properly
+    if (browser.IS_IE8) {
+      list = _document2['default'].createElement('custom');
+      for (var prop in _trackList2['default'].prototype) {
+        if (prop !== 'constructor') {
+          list[prop] = _trackList2['default'].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() {
+        for (var _i = 0; _i < this.length; _i++) {
+          if (this[_i].selected) {
+            return _i;
+          }
+        }
+        return -1;
+      },
+      set: function set() {}
+    });
+
+    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
+   * @private
+   */
+
+
+  VideoTrackList.prototype.addTrack_ = function addTrack_(track) {
+    var _this2 = this;
+
+    if (track.selected) {
+      disableOthers(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(_this2, track);
+      _this2.changing_ = false;
+      _this2.trigger('change');
+    });
+  };
+
+  /**
+   * 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) {
+    this.addTrack_(track);
+  };
+
+  /**
+   * Remove a {@link VideoTrack} to the `VideoTrackList`.
+   *
+   * @param {VideoTrack} track
+   *        The VideoTrack to remove from the list.
+   *
+   * @fires TrackList#removetrack
+   */
+
+
+  VideoTrackList.prototype.removeTrack = function removeTrack(track) {
+    _TrackList.prototype.removeTrack_.call(this, track);
+  };
+
+  return VideoTrackList;
+}(_trackList2['default']);
+
+exports['default'] = VideoTrackList;