Merge pull request #573 from damencho/shared-video-updates

Shared video updates

conference.js

             Commands.SHARED_VIDEO, ({value, attributes}, id) => {
 
                 if (attributes.state === 'stop') {
-                    APP.UI.stopSharedVideo(id);
+                    APP.UI.stopSharedVideo(id, attributes);
                 } else if (attributes.state === 'start') {
                     APP.UI.showSharedVideo(id, value, attributes);
                 } else if (attributes.state === 'playing'

index.html

                         <span id="unreadMessages"></span>
                     </a>
                     <a class="button icon-share-doc" id="toolbar_button_etherpad" data-container="body" data-toggle="popover" data-placement="bottom" content="Shared document" data-i18n="[content]toolbar.etherpad"></a>
-                    <a class="button fa fa-share-alt-square" id="toolbar_button_sharedvideo" data-container="body" data-toggle="popover" data-placement="bottom" content="Shared Video" data-i18n="[content]toolbar.sharedvideo" style="display: none"></a>
+                    <a class="button fa fa-share-alt-square" id="toolbar_button_sharedvideo" data-container="body" data-toggle="popover" data-placement="bottom" content="Share a YouTube video" data-i18n="[content]toolbar.sharedvideo" style="display: none"></a>
                     <a class="button icon-share-desktop" id="toolbar_button_desktopsharing" data-container="body" data-toggle="popover" data-placement="bottom" shortcut="toggleDesktopSharingPopover" content="Share screen" data-i18n="[content]toolbar.sharescreen" style="display: none"></a>
                     <a class="button icon-full-screen" id="toolbar_button_fullScreen" data-container="body" data-toggle="popover" data-placement="bottom" content="Enter / Exit Full Screen" data-i18n="[content]toolbar.fullscreen"></a>
                     <a class="button icon-telephone" id="toolbar_button_sip" data-container="body" data-toggle="popover" data-placement="bottom" content="Call SIP number" data-i18n="[content]toolbar.sip" style="display: none"></a>

lang/main.json

         "invite": "Invite others",
         "chat": "Open / close chat",
         "etherpad": "Shared document",
-        "sharedvideo": "Shared video",
+        "sharedvideo": "Share a YouTube video",
         "sharescreen": "Share screen",
         "fullscreen": "Enter / Exit Full Screen",
         "sip": "Call SIP number",

modules/UI/UI.js

  */
 UI.stopSharedVideo = function (id, attributes) {
     if (sharedVideoManager)
-        sharedVideoManager.stopSharedVideo(id);
+        sharedVideoManager.stopSharedVideo(id, attributes);
 };
 
 module.exports = UI;

modules/UI/shared_video/SharedVideo.js

 
         if(APP.conference.isLocalId(this.from)) {
             showStopVideoPropmpt().then(() =>
-                this.emitter.emit(UIEvents.UPDATE_SHARED_VIDEO, null, 'stop'));
+                this.emitter.emit(
+                    UIEvents.UPDATE_SHARED_VIDEO, this.url, 'stop'));
         } else {
             messageHandler.openMessageDialog(
                 "dialog.shareVideoTitle",
         if (this.isSharedVideoShown)
             return;
 
+        this.isSharedVideoShown = true;
+
         // the video url
         this.url = url;
 
         // we need to operate with player after start playing
         // self.player will be defined once it start playing
         // and will process any initial attributes if any
-        this.initialAttributes = null;
+        this.initialAttributes = attributes;
 
         var self = this;
         if(self.isPlayerAPILoaded)
                 SHARED_VIDEO_CONTAINER_TYPE, self.sharedVideo);
             VideoLayout.handleVideoThumbClicked(self.url);
 
-            self.isSharedVideoShown = true;
-
             // If we are sending the command and we are starting the player
             // we need to continuously send the player current time position
             if(APP.conference.isLocalId(self.from)) {
                     self.updateCheck.bind(self),
                     updateInterval);
             }
-
-            if(self.player)
-                self.processAttributes(
-                    self.player, attributes, self.playerPaused);
-            else {
-                self.initialAttributes = attributes;
-            }
         };
 
         window.onPlayerError = function(event) {
-            console.error("Error in the player:" + event.data);
+            console.error("Error in the player:", event.data);
+            // store the error player, so we can remove it
+            self.errorInPlayer = event.target;
         };
     }
 
 
         if (attributes.state == 'playing') {
 
-            this.processTime(player, attributes);
+            this.processTime(player, attributes, playerPaused);
 
             // lets check the volume
             if (attributes.volume !== undefined &&
             // if its not paused, pause it
             player.pauseVideo();
 
-            this.processTime(player, attributes);
+            this.processTime(player, attributes, !playerPaused);
+        } else if (attributes.state == 'stop') {
+            this.stopSharedVideo(this.from);
         }
     }
 
      * Check for time in attributes and if needed seek in current player
      * @param player the player to operate over
      * @param attributes the attributes with the player state we want
+     * @param forceSeek whether seek should be forced
      */
-    processTime (player, attributes)
+    processTime (player, attributes, forceSeek)
     {
+        if(forceSeek) {
+            player.seekTo(attributes.time);
+            return;
+        }
+
         // check received time and current time
         let currentPosition = player.getCurrentTime();
         let diff = Math.abs(attributes.time - currentPosition);
     updateCheck(sendPauseEvent)
     {
         // ignore update checks if we are not the owner of the video
-        // or there is still no player defined
-        if(!APP.conference.isLocalId(this.from) || !this.player)
+        // or there is still no player defined or we are stopped
+        // (in a process of stopping)
+        if(!APP.conference.isLocalId(this.from) || !this.player
+            || !this.isSharedVideoShown)
             return;
 
         let state = this.player.getPlayerState();
      * left and we want to remove video if the user sharing it left).
      * @param id the id of the sender of the command
      */
-    stopSharedVideo (id) {
+    stopSharedVideo (id, attributes) {
         if (!this.isSharedVideoShown)
             return;
 
         if(this.from !== id)
             return;
 
+        if(!this.player){
+            // if there is no error in the player till now,
+            // store the initial attributes
+            if (!this.errorInPlayer) {
+                this.initialAttributes = attributes;
+                return;
+            }
+        }
+
         if(this.intervalId) {
             clearInterval(this.intervalId);
             this.intervalId = null;
                 VideoLayout.removeLargeVideoContainer(
                     SHARED_VIDEO_CONTAINER_TYPE);
 
-                this.player.destroy();
-                this.player = null;
+                if(this.player) {
+                    this.player.destroy();
+                    this.player = null;
+                }//
+                else if (this.errorInPlayer) {
+                    this.errorInPlayer.destroy();
+                    this.errorInPlayer = null;
+                }
         });
 
         this.url = null;
         this.isSharedVideoShown = false;
+        this.initialAttributes = null;
     }
 }