public void handleMessage(Message m) {

          if (mSelectionBounds == null) return;

          addView(mSelectionDragLayer);

          drawSelectionHandles();

          int contentHeight =
              (int) Math.ceil(getDensityDependentValue(getContentHeight(), mContext));

          // Update Layout Params
          ViewGroup.LayoutParams layerParams = mSelectionDragLayer.getLayoutParams();
          layerParams.height = contentHeight;
          layerParams.width = mContentWidth;
          mSelectionDragLayer.setLayoutParams(layerParams);
        }