code: function getActiveTouches(mouseEv, eventName) {
          // empty list
          if (mouseEv.type == 'mouseup') {
              return new TouchList();
          }
  
          var touchList = createTouchList(mouseEv);
          if(isMultiTouch && mouseEv.type != 'mouseup' && eventName == 'touchend') {
              touchList.splice(1, 1);
          }
          return touchList;
      }
docs: receive all active touches
  @param mouseEv
  @returns {TouchList}