fix(remotecontrol): Fixing issues after peer review.

conference.js

 
     /**
      * Sends a message via the data channel.
-     * @param to {string} the id of the endpoint that should receive the
-     * message. If "" the message will be sent to all participants.
-     * @param payload {object} the payload of the message.
+     * @param {string} to the id of the endpoint that should receive the
+     * message. If "" - the message will be sent to all participants.
+     * @param {object} payload the payload of the message.
      * @throws NetworkError or InvalidStateError or Error if the operation
      * fails.
      */

modules/API/API.js

 
     /**
      * Sends remote control event.
-     * @param {object} event the event.
+     * @param {object} event the remote control event. The remote control event
+     * has one mandatory property - type which is string from EVENT_TYPES enum
+     * defined in /service/remotecontrol/constants. Depending on the event type
+     * the event can have other properties or not.
+     * mousemove - will also have {int} properties x and y
+     * mousedown, mouseup and mousedblclick - will have {int} property button
+     * with values - 1(left), 2(middle) or 3 (right)
+     * mousescroll - will have {int} property y
+     * keydown and keyup - will have {string} property key and array of strings
+     * property modifiers.
+     * stop - won't have any other properties
+     * permissions - will have {PERMISSIONS_ACTIONS} property action.
      */
     sendRemoteControlEvent(event) {
         sendMessage({method: "remote-control-event", params: event});

modules/keycode/keycode.js

 /**
  * Enumerates the supported keys.
+ * NOTE: The maps represents actual keys on the keyboard not chars. 
  */
 export const KEYS = {
     BACKSPACE: "backspace" ,

modules/remotecontrol/Controller.js

      * listeners. Disables keyboard events.
      */
     _start() {
-        if(!this.enabled) {
-            return;
-        }
         APP.UI.addListener(UIEvents.LARGE_VIDEO_ID_CHANGED,
             this._largeVideoChangedListener);
         APP.conference.addConferenceListener(

modules/remotecontrol/Receiver.js

     }
 
     /**
-     * Sends "remote-control-event" events to to the API module.
+     * Listens for data channel EndpointMessage events. Handles only events of
+     * type remote control. Sends "remote-control-event" events to the API
+     * module.
      * @param {JitsiParticipant} participant the controller participant
-     * @param {Object} event the remote control event.
+     * @param {Object} event EndpointMessage event from the data channels. It
+     * has {string} type property. The function process only events of type
+     * REMOTE_CONTROL_EVENT_TYPE which will have event property(the remote
+     * control event)
      */
     _onRemoteControlEvent(participant, event) {
         if(this.enabled && event.type === REMOTE_CONTROL_EVENT_TYPE) {

modules/remotecontrol/RemoteControl.js

     }
 
     /**
-     * Handles remote control events from the API module.
-     * @param {object} event the remote control event
+     * Handles remote control events from the API module. Currently only events
+     * with type = EVENT_TYPES.supported or EVENT_TYPES.permissions
+     * @param {object} event the remote control event. The remote control event
+     * has one mandatory property - type which is string from EVENT_TYPES enum
+     * defined in /service/remotecontrol/constants. If the event type is
+     * "supported" it won't have any other properties. If the event type is
+     * "permissions" the method will expect also the following properties:
+     * {string} userId - the user id of the participant that made the request
+     * for permissions
+     * {PERMISSIONS_ACTIONS} action the action related to the event.
      */
     onRemoteControlAPIEvent(event) {
         switch(event.type) {

react/features/app/functions.web.js

 
     APP.keyboardshortcut = KeyboardShortcut;
     APP.tokenData = getTokenData();
-    APP.API.init(APP.tokenData.jwt ? {forceEnable: true} : undefined);
+
+    // Force enable the API if jwt token is passed because most probably
+    // jitsi meet is displayed inside of wrapper that will need to communicate
+    // with jitsi meet.
+    APP.API.init(APP.tokenData.jwt ? { forceEnable: true } : undefined);
 
     APP.translation.init(settings.getLanguage());
 }