code: function (oEvent) {
  			var iPageY = oEvent.touches && oEvent.touches.length ? oEvent.touches[0].pageY : oEvent.pageY;
  			this._bIsDrag = false;
  
  			if (!this.getIsExpanded()) {
  				return;
  			}
  
  			this._stopAnimation();
  			this._startDrag(iPageY);
  
  			oEvent.preventDefault();
  			this._mousedown = true;
  		}
docs: Default onTouchStart handler.
  @param {jQuery.Event} oEvent  Event object