code: @TargetApi(Build.VERSION_CODES.JELLY_BEAN)
  	@Override
  	int calculateEndLeftBound(float xAxisDelta) {
  		return (int) (getView().getX() + xAxisDelta);
  	}
docs: Calculates the resulting X coordinate of the view's left bound based on the
  X position of the view and the X-axis delta
  
  @param xAxisDelta X-axis delta in actual pixels
  @return resulting X coordinate of the view's left bound