Fixed a bug that VideoPlayer remove event throw error

Author: VisualSJ

extensions/ccui/uiwidgets/UIVideoPlayer.js

@@ -329,8 +329,11 @@ ccui.VideoPlayer.EventType = {
             }
             if(hasChild)
                 container.removeChild(this._video);
-            var list = eventManager._listenersMap[cc.game.EVENT_RESIZE].getFixedPriorityListeners();
-            eventManager._removeListenerInVector(list, this._listener);
+            var ev = eventManager._listenersMap[cc.game.EVENT_RESIZE];
+            if(ev){
+                var list = ev.getFixedPriorityListeners();
+                eventManager._removeListenerInVector(list, this._listener);
+            }
             this._listener = null;
         }
         this.updateStatus();
@@ -354,8 +357,11 @@ ccui.VideoPlayer.EventType = {
         if(node._parent && node._visible)
             this.updateMatrix(this._worldTransform, view._scaleX, view._scaleY);
         else{
-            var list = eventManager._listenersMap[cc.game.EVENT_RESIZE].getFixedPriorityListeners();
-            eventManager._removeListenerInVector(list, this._listener);
+            var ev = eventManager._listenersMap[cc.game.EVENT_RESIZE];
+            if(ev){
+                var list = ev.getFixedPriorityListeners();
+                eventManager._removeListenerInVector(list, this._listener);
+            }
             this._listener = null;
         }
     };