public void handleMessage(Message m) {
   final InputManager inputManager = InputManager.getInstance();
   switch (m.what) {
     case MSG_PIE_GAIN_FOCUS:
       if (mPieContainer != null) {
         if (!mPieActivationListener.gainTouchFocus(mPieContainer.getWindowToken())) {
           mPieContainer.exit();
         }
       } else {
         mPieActivationListener.restoreListenerState();
       }
       break;
   }
 }