Touch events for jQuery Cycle

gistfile1.js

Drupal.settings.isTouchDevice = function() {
	return "ontouchstart" in window;
}

if ( Drupal.settings.isTouchDevice() ) {
	Drupal.behaviors.jQueryMobileSlideShowTouchAdvance = {
		attach: function(context, settings) {
			self = Drupal.behaviors.jQueryMobileSlideShowTouchAdvance;
				jQuery.each(jQuery(".views_slideshow_cycle_main.viewsSlideshowCycle-processed"), function(idx, value) {
					value.addEventListener("touchstart", self.handleTouchStart);
					jQuery(value).addClass("views-slideshow-mobile-processed");
				})
				jQuery(self).bind("swipe", self.handleSwipe);
		},
		detach: function() { }, original: { x: 0, y: 0}, 
		changed: { x: 0, y: 0}, direction: { x: "", y: "" }, fired: false,
		handleTouchStart: function(evt) {
			self = Drupal.behaviors.jQueryMobileSlideShowTouchAdvance;
			if (evt.touches) {
				if (evt.targetTouches.length != 1) { return false; } // don't respond to gestures
				if (evt.touches.length) { evt.preventDefault(); evt.stopPropagation() }
				self.original = { x: evt.touches[0].clientX, y: evt.touches[0].clientY }
				self.changed = self.original;
				self.target = jQuery(this).attr("id").replace("views_slideshow_cycle_main_", "");
				Drupal.viewsSlideshow.action({ "action": "pause", "slideshowID": self.target });
				evt.target.addEventListener("touchmove", self.handleTouchMove);
				evt.target.addEventListener("touchend", self.handleTouchEnd);
			}
		},
		handleTouchMove: function(evt) {
			self = Drupal.behaviors.jQueryMobileSlideShowTouchAdvance;
			self.changed = {
                   x: (evt.touches.length) ? evt.touches[0].clientX: evt.changedTouches[0].clientX,
                   y: (evt.touches.length) ? evt.touches[0].clientY: evt.changedTouches[0].clientY
               };
			h = parseInt(self.original.x - self.changed.x), v = parseInt(self.original.y - self.changed.y);
			if (h !== 0) { self.direction.x = (h < 0) ? "right":"left"; }
			if (v !== 0) { self.direction.y = (v < 0) ? "up": "down"; }
		        if ((h+v) != 0) {
				jQuery(self).trigger("swipe");
			}
		},
		handleTouchEnd: function(evt) {
			self = Drupal.behaviors.jQueryMobileSlideShowTouchAdvance;
			evt.target.removeEventListener("touchmove", self.handleTouchMove);
			evt.target.removeEventListener("touchend", self.handleTouchEnd);
			//This was a click and not a swipe (currently no tolerance for accidental short swipe clicks)
			if (self.original.x == self.changed.x && self.original.y == self.changed.y){
				var elm = evt.target;
				//look for a parent element that is an anchor
				while (elm.tagName !== undefined){
					if (elm.tagName == 'A'){
						//follow the anchor href if found
						window.location = elm.href;
					}
					elm = elm.parentNode;
				}
			}
			self.fired = false;
		},
		handleSwipe: function(evt) {
			self = Drupal.behaviors.jQueryMobileSlideShowTouchAdvance;
			if (evt != undefined && self.fired == false) {
				Drupal.viewsSlideshow.action({ "action":  (self.direction.x == "left")?"nextSlide":"previousSlide", "slideshowID": self.target });
				self.fired = true; //only fire advance once per touch
			}
		}
	}
}