(function(global,doc,factoryFn){var factory=factoryFn(global,doc);global.util=global.util||{};global.util.toucher=global.util.toucher||factory;global.define&&define(function(require,exports,module){return factory})})(this,document,function(window,document){var supports_classList=!!document.createElement('div').classList,hasClass=supports_classList?function(node,classSingle){return node&&node.classList&&node.classList.contains(classSingle)}:function(node,classSingle){if(!node||typeof(node.className)!=='string'){return false}return!!node.className.match(new RegExp('(\\s|^)'+classSingle+'(\\s|$)'))};var supportTouch="ontouchend"in document?true:false;function EMIT(eventName,e){this._events=this._events||{};if(!this._events[eventName]){return}var rest_events=this._events[eventName];var target=e.target;while(1){if(rest_events.length==0){return}if(target==this.dom||!target){for(var i=0,total=rest_events.length;i<total;i++){var classStr=rest_events[i]['className'];var callback=rest_events[i]['fn'];if(classStr==null){event_callback(eventName,callback,target,e)}}return}var eventsList=rest_events;rest_events=[];for(var i=0,total=eventsList.length;i<total;i++){var classStr=eventsList[i]['className'];var callback=eventsList[i]['fn'];if(hasClass(target,classStr)){if(event_callback(eventName,callback,target,e)==false){return}}else{rest_events.push(eventsList[i])}}target=target.parentNode}}function event_callback(name,fn,dom,e){var touches=e.plugTouches||e.touches,touch=touches.length?touches[0]:{},newE={type:name,target:e.target,pageX:touch.pageX,pageY:touch.pageY,clientX:touch.clientX||0,clientY:touch.clientY||0};if(name.match(/^swipe/)&&e.plugStartPosition){newE.startX=e.plugStartPosition.pageX;newE.startY=e.plugStartPosition.pageY;newE.moveX=newE.pageX-newE.startX;newE.moveY=newE.pageY-newE.startY}var call_result=fn.call(dom,newE);if(call_result==false){e.preventDefault();e.stopPropagation()}return call_result}function swipeDirection(x1,x2,y1,y2){return Math.abs(x1-x2)>=Math.abs(y1-y2)?(x1-x2>0?'Left':'Right'):(y1-y2>0?'Up':'Down')}function eventListener(DOM){var this_touch=this;var touchStartTime=0;var lastTouchTime=0;var x1,y1,x2,y2;var touchDelay;var longTap;var isActive=false;var eventMark=null;function actionOver(e){isActive=false;clearTimeout(longTap);clearTimeout(touchDelay)}function isSingleTap(){actionOver();EMIT.call(this_touch,'singleTap',eventMark)}function touchStart(e){if(!e.touches)return;eventMark=e;x1=e.touches[0].pageX;y1=e.touches[0].pageY;x2=0;y2=0;isActive=true;touchStartTime=new Date();EMIT.call(this_touch,'swipeStart',e);clearTimeout(longTap);longTap=setTimeout(function(){actionOver(e);EMIT.call(this_touch,'longTap',e)},500)}function touchend(e){e.plugStartPosition=eventMark.plugStartPosition;e.plugTouches=eventMark.touches;EMIT.call(this_touch,'swipeEnd',e);if(!isActive){return}var now=new Date();if(!this_touch._events.doubleTap||this_touch._events.doubleTap.length==0){isSingleTap()}else if(now-lastTouchTime>200){touchDelay=setTimeout(isSingleTap,190)}else{clearTimeout(touchDelay);actionOver(e);EMIT.call(this_touch,'doubleTap',eventMark)}lastTouchTime=now}function touchmove(e){eventMark=e;e.plugStartPosition={pageX:x1,pageY:y1};EMIT.call(this_touch,'swipe',e);if(!isActive){return}x2=e.touches[0].pageX;y2=e.touches[0].pageY;if(Math.abs(x1-x2)>2||Math.abs(y1-y2)>2){var direction=swipeDirection(x1,x2,y1,y2);EMIT.call(this_touch,'swipe'+direction,e)}else{isSingleTap()}actionOver(e)}if(supportTouch){DOM.addEventListener('touchstart',touchStart);DOM.addEventListener('touchend',touchend);DOM.addEventListener('touchmove',touchmove);DOM.addEventListener('touchcancel',actionOver)}else{DOM.addEventListener('MSPointerDown',touchStart);DOM.addEventListener('pointerdown',touchStart);DOM.addEventListener('MSPointerUp',touchend);DOM.addEventListener('pointerup',touchend);DOM.addEventListener('MSPointerMove',touchmove);DOM.addEventListener('pointermove',touchmove);DOM.addEventListener('MSPointerCancel',actionOver);DOM.addEventListener('pointercancel',actionOver)}}function Touch(DOM,param){var param=param||{};this.dom=DOM;this._events={};eventListener.call(this,this.dom)}Touch.prototype.on=function ON(eventStr,a,b){var className,fn;if(typeof(a)=='string'){className=a.replace(/^\./,'');fn=b}else{className=null;fn=a}if(typeof(fn)=='function'&&eventStr&&eventStr.length){var eventNames=eventStr.split(/\s+/);for(var i=0,total=eventNames.length;i<total;i++){var eventName=eventNames[i];if(!this._events[eventName]){this._events[eventName]=[]}this._events[eventName].push({className:className,fn:fn})}}return this};return function(dom){return new Touch(dom)}});