Update tittle bar media status when switching tabs (#2584)

Author: keianhzo

app/src/common/shared/org/mozilla/vrbrowser/ui/widgets/TitleBarWidget.java

@@ -192,10 +192,18 @@ public void mediaAvailabilityChanged(boolean available) {
                 }
             }
         } else {
+            mMedia = null;
             mBinding.setIsMediaAvailable(false);
         }
     }
 
+    public void updateMediaStatus() {
+        if (mMedia != null) {
+            mBinding.setIsMediaAvailable(mMedia.isPlayed());
+            mBinding.setIsMediaPlaying(mMedia.isPlaying());
+        }
+    }
+
     MediaElement.Delegate mMediaDelegate = new MediaElement.Delegate() {
         @Override
         public void onPlaybackStateChange(@NonNull MediaElement mediaElement, int state) {

app/src/common/shared/org/mozilla/vrbrowser/ui/widgets/WindowWidget.java

@@ -660,6 +660,7 @@ public void setActiveWindow(boolean active) {
             updateTitleBar();
         }
 
+        updateTitleBarMediaStatus();
         hideContextMenus();
 
         TelemetryWrapper.activePlacementEvent(mWindowPlacement.getValue(), mActive);
@@ -704,6 +705,12 @@ private void updateTitleBarUrl(String url) {
         }
     }
 
+    public void updateTitleBarMediaStatus() {
+        if (mTitleBar != null) {
+            mTitleBar.updateMediaStatus();
+        }
+    }
+
     public Session getSession() {
         return mSession;
     }

app/src/common/shared/org/mozilla/vrbrowser/ui/widgets/Windows.java

@@ -1141,6 +1141,8 @@ public void onTabSelect(Session aTab) {
             windowToMove.setSession(moveTo, WindowWidget.SESSION_DO_NOT_RELEASE_DISPLAY);
             targetWindow.setSession(moveFrom, WindowWidget.SESSION_DO_NOT_RELEASE_DISPLAY);
             SessionStore.get().setActiveSession(targetWindow.getSession());
+            windowToMove.setActiveWindow(false);
+            targetWindow.setActiveWindow(true);
 
         } else {
             setFirstPaint(targetWindow, aTab);