public void onWindowLayersChangedLocked() {
   if (DEBUG_LAYERS) {
     Slog.i(LOG_TAG, "Layers changed.");
   }
   mMagnifedViewport.recomputeBoundsLocked();
   mWindowManagerService.scheduleAnimationLocked();
 }
 public void setMagnificationSpecLocked(MagnificationSpec spec) {
   mMagnifedViewport.updateMagnificationSpecLocked(spec);
   mMagnifedViewport.recomputeBoundsLocked();
   mWindowManagerService.scheduleAnimationLocked();
 }