/** just make easier to understand */
 private void tryScrollBackToTopAfterComplete() {
   tryScrollBackToTop();
 }
 /** just make easier to understand */
 private void tryScrollBackToTopAbortRefresh() {
   tryScrollBackToTop();
 }
 /** just make easier to understand */
 private void tryScrollBackToTopWhileLoading() {
   tryScrollBackToTop();
 }