/*! Hammer.JS - v2.0.8 - 2016-04-23 edited
 * http://hammerjs.github.io/
 *
 * Copyright (c) 2016 Jorik Tangelder;
 * Licensed under the MIT license */
(function(window,document,exportName,undefined){var VENDOR_PREFIXES=["","webkit","Moz","MS","ms","o"];var TEST_ELEMENT=document.createElement("div");var TYPE_FUNCTION="function";var round=Math.round;var abs=Math.abs;var now=Date.now;function setTimeoutContext(fn,timeout,context){return setTimeout(bindFn(fn,context),timeout)}function invokeArrayArg(arg,fn,context){if(Array.isArray(arg)){each(arg,context[fn],context);return true}return false}function each(obj,iterator,context){var i;if(!obj)return;
if(obj.forEach)obj.forEach(iterator,context);else if(obj.length!==undefined){i=0;while(i<obj.length){iterator.call(context,obj[i],i,obj);i++}}else for(i in obj)obj.hasOwnProperty(i)&&iterator.call(context,obj[i],i,obj)}function deprecate(method,name,message){var deprecationMessage="DEPRECATED METHOD: "+name+"\n"+message+" AT \n";return function(){var e=new Error("get-stack-trace");var stack=e&&e.stack?e.stack.replace(/^[^\(]+?[\n$]/gm,"").replace(/^\s+at\s+/gm,"").replace(/^Object.<anonymous>\s*\(/gm,
"{anonymous}()@"):"Unknown Stack Trace";var log=window.console&&(window.console.warn||window.console.log);if(log)log.call(window.console,deprecationMessage,stack);return method.apply(this,arguments)}}var assign;if(typeof Object.assign!=="function")assign=function assign(target){if(target===undefined||target===null)throw new TypeError("Cannot convert undefined or null to object");var output=Object(target);for(var index=1;index<arguments.length;index++){var source=arguments[index];if(source!==undefined&&
source!==null)for(var nextKey in source)if(source.hasOwnProperty(nextKey))output[nextKey]=source[nextKey]}return output};else assign=Object.assign;var extend=deprecate(function extend(dest,src,merge){var keys=Object.keys(src);var i=0;while(i<keys.length){if(!merge||merge&&dest[keys[i]]===undefined)dest[keys[i]]=src[keys[i]];i++}return dest},"extend","Use `assign`.");var merge=deprecate(function merge(dest,src){return extend(dest,src,true)},"merge","Use `assign`.");function inherit(child,base,properties){var baseP=
base.prototype,childP;childP=child.prototype=Object.create(baseP);childP.constructor=child;childP._super=baseP;if(properties)assign(childP,properties)}function bindFn(fn,context){return function boundFn(){return fn.apply(context,arguments)}}function boolOrFn(val,args){if(typeof val==TYPE_FUNCTION)return val.apply(args?args[0]||undefined:undefined,args);return val}function ifUndefined(val1,val2){return val1===undefined?val2:val1}function addEventListeners(target,types,handler){each(splitStr(types),
function(type){target.addEventListener(type,handler,false)})}function removeEventListeners(target,types,handler){each(splitStr(types),function(type){target.removeEventListener(type,handler,false)})}function hasParent(node,parent){while(node){if(node==parent)return true;node=node.parentNode}return false}function inStr(str,find){return str.indexOf(find)>-1}function splitStr(str){return str.trim().split(/\s+/g)}function inArray(src,find,findByKey){if(src.indexOf&&!findByKey)return src.indexOf(find);
else{var i=0;while(i<src.length){if(findByKey&&src[i][findByKey]==find||!findByKey&&src[i]===find)return i;i++}return-1}}function toArray(obj){return Array.prototype.slice.call(obj,0)}function uniqueArray(src,key,sort){var results=[];var values=[];var i=0;while(i<src.length){var val=key?src[i][key]:src[i];if(inArray(values,val)<0)results.push(src[i]);values[i]=val;i++}if(sort)if(!key)results=results.sort();else results=results.sort(function sortUniqueArray(a,b){return a[key]>b[key]});return results}
function prefixed(obj,property){var prefix,prop;var camelProp=property[0].toUpperCase()+property.slice(1);var i=0;while(i<VENDOR_PREFIXES.length){prefix=VENDOR_PREFIXES[i];prop=prefix?prefix+camelProp:property;if(prop in obj)return prop;i++}return undefined}var _uniqueId=1;function uniqueId(){return _uniqueId++}function getWindowForElement(element){var doc=element.ownerDocument||element;return doc.defaultView||doc.parentWindow||window}var MOBILE_REGEX=/mobile|tablet|ip(ad|hone|od)|android/i;var SUPPORT_TOUCH=
"ontouchstart"in window;var SUPPORT_POINTER_EVENTS=prefixed(window,"PointerEvent")!==undefined&&navigator.userAgent.indexOf("SamsungBrowser")==-1;var SUPPORT_ONLY_TOUCH=SUPPORT_TOUCH&&MOBILE_REGEX.test(navigator.userAgent);var INPUT_TYPE_TOUCH="touch";var INPUT_TYPE_PEN="pen";var INPUT_TYPE_MOUSE="mouse";var INPUT_TYPE_KINECT="kinect";var COMPUTE_INTERVAL=25;var INPUT_START=1;var INPUT_MOVE=2;var INPUT_END=4;var INPUT_CANCEL=8;var DIRECTION_NONE=1;var DIRECTION_LEFT=2;var DIRECTION_RIGHT=4;var DIRECTION_UP=
8;var DIRECTION_DOWN=16;var DIRECTION_HORIZONTAL=DIRECTION_LEFT|DIRECTION_RIGHT;var DIRECTION_VERTICAL=DIRECTION_UP|DIRECTION_DOWN;var DIRECTION_ALL=DIRECTION_HORIZONTAL|DIRECTION_VERTICAL;var PROPS_XY=["x","y"];var PROPS_CLIENT_XY=["clientX","clientY"];function Input(manager,callback){var self=this;this.manager=manager;this.callback=callback;this.element=manager.element;this.target=manager.options.inputTarget;this.domHandler=function(ev){if(boolOrFn(manager.options.enable,[manager]))self.handler(ev)};
this.init()}Input.prototype={handler:function(){},init:function(){this.evEl&&addEventListeners(this.element,this.evEl,this.domHandler);this.evTarget&&addEventListeners(this.target,this.evTarget,this.domHandler);this.evWin&&addEventListeners(getWindowForElement(this.element),this.evWin,this.domHandler)},destroy:function(){this.evEl&&removeEventListeners(this.element,this.evEl,this.domHandler);this.evTarget&&removeEventListeners(this.target,this.evTarget,this.domHandler);this.evWin&&removeEventListeners(getWindowForElement(this.element),
this.evWin,this.domHandler)}};function createInputInstance(manager){var Type;var inputClass=manager.options.inputClass;if(inputClass)Type=inputClass;else if(SUPPORT_POINTER_EVENTS)Type=PointerEventInput;else if(SUPPORT_ONLY_TOUCH)Type=TouchInput;else if(!SUPPORT_TOUCH)Type=MouseInput;else Type=TouchMouseInput;return new Type(manager,inputHandler)}function inputHandler(manager,eventType,input){var pointersLen=input.pointers.length;var changedPointersLen=input.changedPointers.length;var isFirst=eventType&
INPUT_START&&pointersLen-changedPointersLen===0;var isFinal=eventType&(INPUT_END|INPUT_CANCEL)&&pointersLen-changedPointersLen===0;input.isFirst=!!isFirst;input.isFinal=!!isFinal;if(isFirst)manager.session={};input.eventType=eventType;computeInputData(manager,input);manager.emit("hammer.input",input);manager.recognize(input);manager.session.prevInput=input}function computeInputData(manager,input){var session=manager.session;var pointers=input.pointers;var pointersLength=pointers.length;if(!session.firstInput)session.firstInput=
simpleCloneInputData(input);if(pointersLength>1&&!session.firstMultiple)session.firstMultiple=simpleCloneInputData(input);else if(pointersLength===1)session.firstMultiple=false;var firstInput=session.firstInput;var firstMultiple=session.firstMultiple;var offsetCenter=firstMultiple?firstMultiple.center:firstInput.center;var center=input.center=getCenter(pointers);input.timeStamp=now();input.deltaTime=input.timeStamp-firstInput.timeStamp;input.angle=getAngle(offsetCenter,center);input.distance=getDistance(offsetCenter,
center);computeDeltaXY(session,input);input.offsetDirection=getDirection(input.deltaX,input.deltaY);var overallVelocity=getVelocity(input.deltaTime,input.deltaX,input.deltaY);input.overallVelocityX=overallVelocity.x;input.overallVelocityY=overallVelocity.y;input.overallVelocity=abs(overallVelocity.x)>abs(overallVelocity.y)?overallVelocity.x:overallVelocity.y;input.scale=firstMultiple?getScale(firstMultiple.pointers,pointers):1;input.rotation=firstMultiple?getRotation(firstMultiple.pointers,pointers):
0;input.maxPointers=!session.prevInput?input.pointers.length:input.pointers.length>session.prevInput.maxPointers?input.pointers.length:session.prevInput.maxPointers;computeIntervalInputData(session,input);var target=manager.element;if(hasParent(input.srcEvent.target,target))target=input.srcEvent.target;input.target=target}function computeDeltaXY(session,input){var center=input.center;var offset=session.offsetDelta||{};var prevDelta=session.prevDelta||{};var prevInput=session.prevInput||{};if(input.eventType===
INPUT_START||prevInput.eventType===INPUT_END){prevDelta=session.prevDelta={x:prevInput.deltaX||0,y:prevInput.deltaY||0};offset=session.offsetDelta={x:center.x,y:center.y}}input.deltaX=prevDelta.x+(center.x-offset.x);input.deltaY=prevDelta.y+(center.y-offset.y)}function computeIntervalInputData(session,input){var last=session.lastInterval||input,deltaTime=input.timeStamp-last.timeStamp,velocity,velocityX,velocityY,direction;if(input.eventType!=INPUT_CANCEL&&(deltaTime>COMPUTE_INTERVAL||last.velocity===
undefined)){var deltaX=input.deltaX-last.deltaX;var deltaY=input.deltaY-last.deltaY;var v=getVelocity(deltaTime,deltaX,deltaY);velocityX=v.x;velocityY=v.y;velocity=abs(v.x)>abs(v.y)?v.x:v.y;direction=getDirection(deltaX,deltaY);session.lastInterval=input}else{velocity=last.velocity;velocityX=last.velocityX;velocityY=last.velocityY;direction=last.direction}input.velocity=velocity;input.velocityX=velocityX;input.velocityY=velocityY;input.direction=direction}function simpleCloneInputData(input){var pointers=
[];var i=0;while(i<input.pointers.length){pointers[i]={clientX:round(input.pointers[i].clientX),clientY:round(input.pointers[i].clientY)};i++}return{timeStamp:now(),pointers:pointers,center:getCenter(pointers),deltaX:input.deltaX,deltaY:input.deltaY}}function getCenter(pointers){var pointersLength=pointers.length;if(pointersLength===1)return{x:round(pointers[0].clientX),y:round(pointers[0].clientY)};var x=0,y=0,i=0;while(i<pointersLength){x+=pointers[i].clientX;y+=pointers[i].clientY;i++}return{x:round(x/
pointersLength),y:round(y/pointersLength)}}function getVelocity(deltaTime,x,y){return{x:x/deltaTime||0,y:y/deltaTime||0}}function getDirection(x,y){if(x===y)return DIRECTION_NONE;if(abs(x)>=abs(y))return x<0?DIRECTION_LEFT:DIRECTION_RIGHT;return y<0?DIRECTION_UP:DIRECTION_DOWN}function getDistance(p1,p2,props){if(!props)props=PROPS_XY;var x=p2[props[0]]-p1[props[0]],y=p2[props[1]]-p1[props[1]];return Math.sqrt(x*x+y*y)}function getAngle(p1,p2,props){if(!props)props=PROPS_XY;var x=p2[props[0]]-p1[props[0]],
y=p2[props[1]]-p1[props[1]];return Math.atan2(y,x)*180/Math.PI}function getRotation(start,end){return getAngle(end[1],end[0],PROPS_CLIENT_XY)+getAngle(start[1],start[0],PROPS_CLIENT_XY)}function getScale(start,end){return getDistance(end[0],end[1],PROPS_CLIENT_XY)/getDistance(start[0],start[1],PROPS_CLIENT_XY)}var MOUSE_INPUT_MAP={mousedown:INPUT_START,mousemove:INPUT_MOVE,mouseup:INPUT_END};var MOUSE_ELEMENT_EVENTS="mousedown";var MOUSE_WINDOW_EVENTS="mousemove mouseup";function MouseInput(){this.evEl=
MOUSE_ELEMENT_EVENTS;this.evWin=MOUSE_WINDOW_EVENTS;this.pressed=false;Input.apply(this,arguments)}inherit(MouseInput,Input,{handler:function MEhandler(ev){var eventType=MOUSE_INPUT_MAP[ev.type];if(eventType&INPUT_START&&ev.button===0)this.pressed=true;if(eventType&INPUT_MOVE&&ev.which!==1)eventType=INPUT_END;if(!this.pressed)return;if(eventType&INPUT_END)this.pressed=false;this.callback(this.manager,eventType,{pointers:[ev],changedPointers:[ev],pointerType:INPUT_TYPE_MOUSE,srcEvent:ev})}});var POINTER_INPUT_MAP=
{pointerdown:INPUT_START,pointermove:INPUT_MOVE,pointerup:INPUT_END,pointercancel:INPUT_CANCEL,pointerout:INPUT_CANCEL};var IE10_POINTER_TYPE_ENUM={2:INPUT_TYPE_TOUCH,3:INPUT_TYPE_PEN,4:INPUT_TYPE_MOUSE,5:INPUT_TYPE_KINECT};var POINTER_ELEMENT_EVENTS="pointerdown";var POINTER_WINDOW_EVENTS="pointermove pointerup pointercancel";if(window.MSPointerEvent&&!window.PointerEvent){POINTER_ELEMENT_EVENTS="MSPointerDown";POINTER_WINDOW_EVENTS="MSPointerMove MSPointerUp MSPointerCancel"}function PointerEventInput(){this.evEl=
POINTER_ELEMENT_EVENTS;this.evWin=POINTER_WINDOW_EVENTS;Input.apply(this,arguments);this.store=this.manager.session.pointerEvents=[]}inherit(PointerEventInput,Input,{handler:function PEhandler(ev){var store=this.store;var removePointer=false;var eventTypeNormalized=ev.type.toLowerCase().replace("ms","");var eventType=POINTER_INPUT_MAP[eventTypeNormalized];var pointerType=IE10_POINTER_TYPE_ENUM[ev.pointerType]||ev.pointerType;var isTouch=pointerType==INPUT_TYPE_TOUCH;var storeIndex=inArray(store,ev.pointerId,
"pointerId");if(eventType&INPUT_START&&(ev.button===0||isTouch)){if(storeIndex<0){store.push(ev);storeIndex=store.length-1}}else if(eventType&(INPUT_END|INPUT_CANCEL))removePointer=true;if(storeIndex<0)return;store[storeIndex]=ev;this.callback(this.manager,eventType,{pointers:store,changedPointers:[ev],pointerType:pointerType,srcEvent:ev});if(removePointer)store.splice(storeIndex,1)}});var SINGLE_TOUCH_INPUT_MAP={touchstart:INPUT_START,touchmove:INPUT_MOVE,touchend:INPUT_END,touchcancel:INPUT_CANCEL};
var SINGLE_TOUCH_TARGET_EVENTS="touchstart";var SINGLE_TOUCH_WINDOW_EVENTS="touchstart touchmove touchend touchcancel";function SingleTouchInput(){this.evTarget=SINGLE_TOUCH_TARGET_EVENTS;this.evWin=SINGLE_TOUCH_WINDOW_EVENTS;this.started=false;Input.apply(this,arguments)}inherit(SingleTouchInput,Input,{handler:function TEhandler(ev){var type=SINGLE_TOUCH_INPUT_MAP[ev.type];if(type===INPUT_START)this.started=true;if(!this.started)return;var touches=normalizeSingleTouches.call(this,ev,type);if(type&
(INPUT_END|INPUT_CANCEL)&&touches[0].length-touches[1].length===0)this.started=false;this.callback(this.manager,type,{pointers:touches[0],changedPointers:touches[1],pointerType:INPUT_TYPE_TOUCH,srcEvent:ev})}});function normalizeSingleTouches(ev,type){var all=toArray(ev.touches);var changed=toArray(ev.changedTouches);if(type&(INPUT_END|INPUT_CANCEL))all=uniqueArray(all.concat(changed),"identifier",true);return[all,changed]}var TOUCH_INPUT_MAP={touchstart:INPUT_START,touchmove:INPUT_MOVE,touchend:INPUT_END,
touchcancel:INPUT_CANCEL};var TOUCH_TARGET_EVENTS="touchstart touchmove touchend touchcancel";function TouchInput(){this.evTarget=TOUCH_TARGET_EVENTS;this.targetIds={};Input.apply(this,arguments)}inherit(TouchInput,Input,{handler:function MTEhandler(ev){var type=TOUCH_INPUT_MAP[ev.type];var touches=getTouches.call(this,ev,type);if(!touches)return;this.callback(this.manager,type,{pointers:touches[0],changedPointers:touches[1],pointerType:INPUT_TYPE_TOUCH,srcEvent:ev})}});function getTouches(ev,type){var allTouches=
toArray(ev.touches);var targetIds=this.targetIds;if(type&(INPUT_START|INPUT_MOVE)&&allTouches.length===1){targetIds[allTouches[0].identifier]=true;return[allTouches,allTouches]}var i,targetTouches,changedTouches=toArray(ev.changedTouches),changedTargetTouches=[],target=this.target;targetTouches=allTouches.filter(function(touch){return hasParent(touch.target,target)});if(type===INPUT_START){i=0;while(i<targetTouches.length){targetIds[targetTouches[i].identifier]=true;i++}}i=0;while(i<changedTouches.length){if(targetIds[changedTouches[i].identifier])changedTargetTouches.push(changedTouches[i]);
if(type&(INPUT_END|INPUT_CANCEL))delete targetIds[changedTouches[i].identifier];i++}if(!changedTargetTouches.length)return;return[uniqueArray(targetTouches.concat(changedTargetTouches),"identifier",true),changedTargetTouches]}var DEDUP_TIMEOUT=2500;var DEDUP_DISTANCE=25;function TouchMouseInput(){Input.apply(this,arguments);var handler=bindFn(this.handler,this);this.touch=new TouchInput(this.manager,handler);this.mouse=new MouseInput(this.manager,handler);this.primaryTouch=null;this.lastTouches=[]}
inherit(TouchMouseInput,Input,{handler:function TMEhandler(manager,inputEvent,inputData){var isTouch=inputData.pointerType==INPUT_TYPE_TOUCH,isMouse=inputData.pointerType==INPUT_TYPE_MOUSE;if(isMouse&&inputData.sourceCapabilities&&inputData.sourceCapabilities.firesTouchEvents)return;if(isTouch)recordTouches.call(this,inputEvent,inputData);else if(isMouse&&isSyntheticEvent.call(this,inputData))return;this.callback(manager,inputEvent,inputData)},destroy:function destroy(){this.touch.destroy();this.mouse.destroy()}});
function recordTouches(eventType,eventData){if(eventType&INPUT_START){this.primaryTouch=eventData.changedPointers[0].identifier;setLastTouch.call(this,eventData)}else if(eventType&(INPUT_END|INPUT_CANCEL))setLastTouch.call(this,eventData)}function setLastTouch(eventData){var touch=eventData.changedPointers[0];if(touch.identifier===this.primaryTouch){var lastTouch={x:touch.clientX,y:touch.clientY};this.lastTouches.push(lastTouch);var lts=this.lastTouches;var removeLastTouch=function(){var i=lts.indexOf(lastTouch);
if(i>-1)lts.splice(i,1)};setTimeout(removeLastTouch,DEDUP_TIMEOUT)}}function isSyntheticEvent(eventData){var x=eventData.srcEvent.clientX,y=eventData.srcEvent.clientY;for(var i=0;i<this.lastTouches.length;i++){var t=this.lastTouches[i];var dx=Math.abs(x-t.x),dy=Math.abs(y-t.y);if(dx<=DEDUP_DISTANCE&&dy<=DEDUP_DISTANCE)return true}return false}var PREFIXED_TOUCH_ACTION=prefixed(TEST_ELEMENT.style,"touchAction");var NATIVE_TOUCH_ACTION=PREFIXED_TOUCH_ACTION!==undefined;var TOUCH_ACTION_COMPUTE="compute";
var TOUCH_ACTION_AUTO="auto";var TOUCH_ACTION_MANIPULATION="manipulation";var TOUCH_ACTION_NONE="none";var TOUCH_ACTION_PAN_X="pan-x";var TOUCH_ACTION_PAN_Y="pan-y";var TOUCH_ACTION_MAP=getTouchActionProps();function TouchAction(manager,value){this.manager=manager;this.set(value)}TouchAction.prototype={set:function(value){if(value==TOUCH_ACTION_COMPUTE)value=this.compute();if(NATIVE_TOUCH_ACTION&&this.manager.element.style&&TOUCH_ACTION_MAP[value])this.manager.element.style[PREFIXED_TOUCH_ACTION]=
value;this.actions=value.toLowerCase().trim()},update:function(){this.set(this.manager.options.touchAction)},compute:function(){var actions=[];each(this.manager.recognizers,function(recognizer){if(boolOrFn(recognizer.options.enable,[recognizer]))actions=actions.concat(recognizer.getTouchAction())});return cleanTouchActions(actions.join(" "))},preventDefaults:function(input){var srcEvent=input.srcEvent;var direction=input.offsetDirection;if(this.manager.session.prevented){srcEvent.preventDefault();
return}var actions=this.actions;var hasNone=inStr(actions,TOUCH_ACTION_NONE)&&!TOUCH_ACTION_MAP[TOUCH_ACTION_NONE];var hasPanY=inStr(actions,TOUCH_ACTION_PAN_Y)&&!TOUCH_ACTION_MAP[TOUCH_ACTION_PAN_Y];var hasPanX=inStr(actions,TOUCH_ACTION_PAN_X)&&!TOUCH_ACTION_MAP[TOUCH_ACTION_PAN_X];if(hasNone){var isTapPointer=input.pointers.length===1;var isTapMovement=input.distance<2;var isTapTouchTime=input.deltaTime<250;if(isTapPointer&&isTapMovement&&isTapTouchTime)return}if(hasPanX&&hasPanY)return;if(hasNone||
hasPanY&&direction&DIRECTION_HORIZONTAL||hasPanX&&direction&DIRECTION_VERTICAL)return this.preventSrc(srcEvent)},preventSrc:function(srcEvent){this.manager.session.prevented=true;srcEvent.preventDefault()}};function cleanTouchActions(actions){if(inStr(actions,TOUCH_ACTION_NONE))return TOUCH_ACTION_NONE;var hasPanX=inStr(actions,TOUCH_ACTION_PAN_X);var hasPanY=inStr(actions,TOUCH_ACTION_PAN_Y);if(hasPanX&&hasPanY)return TOUCH_ACTION_NONE;if(hasPanX||hasPanY)return hasPanX?TOUCH_ACTION_PAN_X:TOUCH_ACTION_PAN_Y;
if(inStr(actions,TOUCH_ACTION_MANIPULATION))return TOUCH_ACTION_MANIPULATION;return TOUCH_ACTION_AUTO}function getTouchActionProps(){if(!NATIVE_TOUCH_ACTION)return false;var touchMap={};var cssSupports=window.CSS&&window.CSS.supports;["auto","manipulation","pan-y","pan-x","pan-x pan-y","none"].forEach(function(val){touchMap[val]=cssSupports?window.CSS.supports("touch-action",val):true});return touchMap}var STATE_POSSIBLE=1;var STATE_BEGAN=2;var STATE_CHANGED=4;var STATE_ENDED=8;var STATE_RECOGNIZED=
STATE_ENDED;var STATE_CANCELLED=16;var STATE_FAILED=32;function Recognizer(options){this.options=assign({},this.defaults,options||{});this.id=uniqueId();this.manager=null;this.options.enable=ifUndefined(this.options.enable,true);this.state=STATE_POSSIBLE;this.simultaneous={};this.requireFail=[]}Recognizer.prototype={defaults:{},set:function(options){assign(this.options,options);this.manager&&this.manager.touchAction.update();return this},recognizeWith:function(otherRecognizer){if(invokeArrayArg(otherRecognizer,
"recognizeWith",this))return this;var simultaneous=this.simultaneous;otherRecognizer=getRecognizerByNameIfManager(otherRecognizer,this);if(!simultaneous[otherRecognizer.id]){simultaneous[otherRecognizer.id]=otherRecognizer;otherRecognizer.recognizeWith(this)}return this},dropRecognizeWith:function(otherRecognizer){if(invokeArrayArg(otherRecognizer,"dropRecognizeWith",this))return this;otherRecognizer=getRecognizerByNameIfManager(otherRecognizer,this);delete this.simultaneous[otherRecognizer.id];return this},
requireFailure:function(otherRecognizer){if(invokeArrayArg(otherRecognizer,"requireFailure",this))return this;var requireFail=this.requireFail;otherRecognizer=getRecognizerByNameIfManager(otherRecognizer,this);if(inArray(requireFail,otherRecognizer)===-1){requireFail.push(otherRecognizer);otherRecognizer.requireFailure(this)}return this},dropRequireFailure:function(otherRecognizer){if(invokeArrayArg(otherRecognizer,"dropRequireFailure",this))return this;otherRecognizer=getRecognizerByNameIfManager(otherRecognizer,
this);var index=inArray(this.requireFail,otherRecognizer);if(index>-1)this.requireFail.splice(index,1);return this},hasRequireFailures:function(){return this.requireFail.length>0},canRecognizeWith:function(otherRecognizer){return!!this.simultaneous[otherRecognizer.id]},emit:function(input){var self=this;var state=this.state;function emit(event){self.manager.emit(event,input)}if(state<STATE_ENDED)emit(self.options.event+stateStr(state));emit(self.options.event);if(input.additionalEvent)emit(input.additionalEvent);
if(state>=STATE_ENDED)emit(self.options.event+stateStr(state))},tryEmit:function(input){if(this.canEmit())return this.emit(input);this.state=STATE_FAILED},canEmit:function(){var i=0;while(i<this.requireFail.length){if(!(this.requireFail[i].state&(STATE_FAILED|STATE_POSSIBLE)))return false;i++}return true},recognize:function(inputData){var inputDataClone=assign({},inputData);if(!boolOrFn(this.options.enable,[this,inputDataClone])){this.reset();this.state=STATE_FAILED;return}if(this.state&(STATE_RECOGNIZED|
STATE_CANCELLED|STATE_FAILED))this.state=STATE_POSSIBLE;this.state=this.process(inputDataClone);if(this.state&(STATE_BEGAN|STATE_CHANGED|STATE_ENDED|STATE_CANCELLED))this.tryEmit(inputDataClone)},process:function(inputData){},getTouchAction:function(){},reset:function(){}};function stateStr(state){if(state&STATE_CANCELLED)return"cancel";else if(state&STATE_ENDED)return"end";else if(state&STATE_CHANGED)return"move";else if(state&STATE_BEGAN)return"start";return""}function directionStr(direction){if(direction==
DIRECTION_DOWN)return"down";else if(direction==DIRECTION_UP)return"up";else if(direction==DIRECTION_LEFT)return"left";else if(direction==DIRECTION_RIGHT)return"right";return""}function getRecognizerByNameIfManager(otherRecognizer,recognizer){var manager=recognizer.manager;if(manager)return manager.get(otherRecognizer);return otherRecognizer}function AttrRecognizer(){Recognizer.apply(this,arguments)}inherit(AttrRecognizer,Recognizer,{defaults:{pointers:1},attrTest:function(input){var optionPointers=
this.options.pointers;return optionPointers===0||input.pointers.length===optionPointers},process:function(input){var state=this.state;var eventType=input.eventType;var isRecognized=state&(STATE_BEGAN|STATE_CHANGED);var isValid=this.attrTest(input);if(isRecognized&&(eventType&INPUT_CANCEL||!isValid))return state|STATE_CANCELLED;else if(isRecognized||isValid){if(eventType&INPUT_END)return state|STATE_ENDED;else if(!(state&STATE_BEGAN))return STATE_BEGAN;return state|STATE_CHANGED}return STATE_FAILED}});
function PanRecognizer(){AttrRecognizer.apply(this,arguments);this.pX=null;this.pY=null}inherit(PanRecognizer,AttrRecognizer,{defaults:{event:"pan",threshold:10,pointers:1,direction:DIRECTION_ALL},getTouchAction:function(){var direction=this.options.direction;var actions=[];if(direction&DIRECTION_HORIZONTAL)actions.push(TOUCH_ACTION_PAN_Y);if(direction&DIRECTION_VERTICAL)actions.push(TOUCH_ACTION_PAN_X);return actions},directionTest:function(input){var options=this.options;var hasMoved=true;var distance=
input.distance;var direction=input.direction;var x=input.deltaX;var y=input.deltaY;if(!(direction&options.direction))if(options.direction&DIRECTION_HORIZONTAL){direction=x===0?DIRECTION_NONE:x<0?DIRECTION_LEFT:DIRECTION_RIGHT;hasMoved=x!=this.pX;distance=Math.abs(input.deltaX)}else{direction=y===0?DIRECTION_NONE:y<0?DIRECTION_UP:DIRECTION_DOWN;hasMoved=y!=this.pY;distance=Math.abs(input.deltaY)}input.direction=direction;return hasMoved&&distance>options.threshold&&direction&options.direction},attrTest:function(input){return AttrRecognizer.prototype.attrTest.call(this,
input)&&(this.state&STATE_BEGAN||!(this.state&STATE_BEGAN)&&this.directionTest(input))},emit:function(input){this.pX=input.deltaX;this.pY=input.deltaY;var direction=directionStr(input.direction);if(direction)input.additionalEvent=this.options.event+direction;this._super.emit.call(this,input)}});function PinchRecognizer(){AttrRecognizer.apply(this,arguments)}inherit(PinchRecognizer,AttrRecognizer,{defaults:{event:"pinch",threshold:0,pointers:2},getTouchAction:function(){return[TOUCH_ACTION_NONE]},
attrTest:function(input){return this._super.attrTest.call(this,input)&&(Math.abs(input.scale-1)>this.options.threshold||this.state&STATE_BEGAN)},emit:function(input){if(input.scale!==1){var inOut=input.scale<1?"in":"out";input.additionalEvent=this.options.event+inOut}this._super.emit.call(this,input)}});function PressRecognizer(){Recognizer.apply(this,arguments);this._timer=null;this._input=null}inherit(PressRecognizer,Recognizer,{defaults:{event:"press",pointers:1,time:251,threshold:9},getTouchAction:function(){return[TOUCH_ACTION_AUTO]},
process:function(input){var options=this.options;var validPointers=input.pointers.length===options.pointers;var validMovement=input.distance<options.threshold;var validTime=input.deltaTime>options.time;this._input=input;if(!validMovement||!validPointers||input.eventType&(INPUT_END|INPUT_CANCEL)&&!validTime)this.reset();else if(input.eventType&INPUT_START){this.reset();this._timer=setTimeoutContext(function(){this.state=STATE_RECOGNIZED;this.tryEmit()},options.time,this)}else if(input.eventType&INPUT_END)return STATE_RECOGNIZED;
return STATE_FAILED},reset:function(){clearTimeout(this._timer)},emit:function(input){if(this.state!==STATE_RECOGNIZED)return;if(input&&input.eventType&INPUT_END)this.manager.emit(this.options.event+"up",input);else{this._input.timeStamp=now();this.manager.emit(this.options.event,this._input)}}});function RotateRecognizer(){AttrRecognizer.apply(this,arguments)}inherit(RotateRecognizer,AttrRecognizer,{defaults:{event:"rotate",threshold:0,pointers:2},getTouchAction:function(){return[TOUCH_ACTION_NONE]},
attrTest:function(input){return this._super.attrTest.call(this,input)&&(Math.abs(input.rotation)>this.options.threshold||this.state&STATE_BEGAN)}});function SwipeRecognizer(){AttrRecognizer.apply(this,arguments)}inherit(SwipeRecognizer,AttrRecognizer,{defaults:{event:"swipe",threshold:10,velocity:.3,direction:DIRECTION_HORIZONTAL|DIRECTION_VERTICAL,pointers:1},getTouchAction:function(){return PanRecognizer.prototype.getTouchAction.call(this)},attrTest:function(input){var direction=this.options.direction;
var velocity;if(direction&(DIRECTION_HORIZONTAL|DIRECTION_VERTICAL))velocity=input.overallVelocity;else if(direction&DIRECTION_HORIZONTAL)velocity=input.overallVelocityX;else if(direction&DIRECTION_VERTICAL)velocity=input.overallVelocityY;return this._super.attrTest.call(this,input)&&direction&input.offsetDirection&&input.distance>this.options.threshold&&input.maxPointers==this.options.pointers&&abs(velocity)>this.options.velocity&&input.eventType&INPUT_END},emit:function(input){var direction=directionStr(input.offsetDirection);
if(direction)this.manager.emit(this.options.event+direction,input);this.manager.emit(this.options.event,input)}});function TapRecognizer(){Recognizer.apply(this,arguments);this.pTime=false;this.pCenter=false;this._timer=null;this._input=null;this.count=0}inherit(TapRecognizer,Recognizer,{defaults:{event:"tap",pointers:1,taps:1,interval:300,time:250,threshold:9,posThreshold:10},getTouchAction:function(){return[TOUCH_ACTION_MANIPULATION]},process:function(input){var options=this.options;var validPointers=
input.pointers.length===options.pointers;var validMovement=input.distance<options.threshold;var validTouchTime=input.deltaTime<options.time;this.reset();if(input.eventType&INPUT_START&&this.count===0)return this.failTimeout();if(validMovement&&validTouchTime&&validPointers){if(input.eventType!=INPUT_END)return this.failTimeout();var validInterval=this.pTime?input.timeStamp-this.pTime<options.interval:true;var validMultiTap=!this.pCenter||getDistance(this.pCenter,input.center)<options.posThreshold;
this.pTime=input.timeStamp;this.pCenter=input.center;if(!validMultiTap||!validInterval)this.count=1;else this.count+=1;this._input=input;var tapCount=this.count%options.taps;if(tapCount===0)if(!this.hasRequireFailures())return STATE_RECOGNIZED;else{this._timer=setTimeoutContext(function(){this.state=STATE_RECOGNIZED;this.tryEmit()},options.interval,this);return STATE_BEGAN}}return STATE_FAILED},failTimeout:function(){this._timer=setTimeoutContext(function(){this.state=STATE_FAILED},this.options.interval,
this);return STATE_FAILED},reset:function(){clearTimeout(this._timer)},emit:function(){if(this.state==STATE_RECOGNIZED){this._input.tapCount=this.count;this.manager.emit(this.options.event,this._input)}}});function Hammer(element,options){options=options||{};options.recognizers=ifUndefined(options.recognizers,Hammer.defaults.preset);return new Manager(element,options)}Hammer.VERSION="2.0.8";Hammer.defaults={domEvents:false,touchAction:TOUCH_ACTION_COMPUTE,enable:true,inputTarget:null,inputClass:null,
preset:[[RotateRecognizer,{enable:false}],[PinchRecognizer,{enable:false},["rotate"]],[SwipeRecognizer,{direction:DIRECTION_HORIZONTAL}],[PanRecognizer,{direction:DIRECTION_HORIZONTAL},["swipe"]],[TapRecognizer],[TapRecognizer,{event:"doubletap",taps:2},["tap"]],[PressRecognizer]],cssProps:{userSelect:"none",touchSelect:"none",touchCallout:"none",contentZooming:"none",userDrag:"none",tapHighlightColor:"rgba(0,0,0,0)"}};var STOP=1;var FORCED_STOP=2;function Manager(element,options){this.options=assign({},
Hammer.defaults,options||{});this.options.inputTarget=this.options.inputTarget||element;this.handlers={};this.session={};this.recognizers=[];this.oldCssProps={};this.element=element;this.input=createInputInstance(this);this.touchAction=new TouchAction(this,this.options.touchAction);toggleCssProps(this,true);each(this.options.recognizers,function(item){var recognizer=this.add(new item[0](item[1]));item[2]&&recognizer.recognizeWith(item[2]);item[3]&&recognizer.requireFailure(item[3])},this)}Manager.prototype=
{set:function(options){assign(this.options,options);if(options.touchAction)this.touchAction.update();if(options.inputTarget){this.input.destroy();this.input.target=options.inputTarget;this.input.init()}return this},stop:function(force){this.session.stopped=force?FORCED_STOP:STOP},recognize:function(inputData){var session=this.session;if(session.stopped)return;this.touchAction.preventDefaults(inputData);var recognizer;var recognizers=this.recognizers;var curRecognizer=session.curRecognizer;if(!curRecognizer||
curRecognizer&&curRecognizer.state&STATE_RECOGNIZED)curRecognizer=session.curRecognizer=null;var i=0;while(i<recognizers.length){recognizer=recognizers[i];if(session.stopped!==FORCED_STOP&&(!curRecognizer||recognizer==curRecognizer||recognizer.canRecognizeWith(curRecognizer)))recognizer.recognize(inputData);else recognizer.reset();if(!curRecognizer&&recognizer.state&(STATE_BEGAN|STATE_CHANGED|STATE_ENDED))curRecognizer=session.curRecognizer=recognizer;i++}},get:function(recognizer){if(recognizer instanceof
Recognizer)return recognizer;var recognizers=this.recognizers;for(var i=0;i<recognizers.length;i++)if(recognizers[i].options.event==recognizer)return recognizers[i];return null},add:function(recognizer){if(invokeArrayArg(recognizer,"add",this))return this;var existing=this.get(recognizer.options.event);if(existing)this.remove(existing);this.recognizers.push(recognizer);recognizer.manager=this;this.touchAction.update();return recognizer},remove:function(recognizer){if(invokeArrayArg(recognizer,"remove",
this))return this;recognizer=this.get(recognizer);if(recognizer){var recognizers=this.recognizers;var index=inArray(recognizers,recognizer);if(index!==-1){recognizers.splice(index,1);this.touchAction.update()}}return this},on:function(events,handler){if(events===undefined)return;if(handler===undefined)return;var handlers=this.handlers;each(splitStr(events),function(event){handlers[event]=handlers[event]||[];handlers[event].push(handler)});return this},off:function(events,handler){if(events===undefined)return;
var handlers=this.handlers;each(splitStr(events),function(event){if(!handler)delete handlers[event];else handlers[event]&&handlers[event].splice(inArray(handlers[event],handler),1)});return this},emit:function(event,data){if(this.options.domEvents)triggerDomEvent(event,data);var handlers=this.handlers[event]&&this.handlers[event].slice();if(!handlers||!handlers.length)return;data.type=event;data.preventDefault=function(){data.srcEvent.preventDefault()};var i=0;while(i<handlers.length){handlers[i](data);
i++}},destroy:function(){this.element&&toggleCssProps(this,false);this.handlers={};this.session={};this.input.destroy();this.element=null}};function toggleCssProps(manager,add){var element=manager.element;if(!element.style)return;var prop;each(manager.options.cssProps,function(value,name){prop=prefixed(element.style,name);if(add){manager.oldCssProps[prop]=element.style[prop];element.style[prop]=value}else element.style[prop]=manager.oldCssProps[prop]||""});if(!add)manager.oldCssProps={}}function triggerDomEvent(event,
data){var gestureEvent=document.createEvent("Event");gestureEvent.initEvent(event,true,true);gestureEvent.gesture=data;data.target.dispatchEvent(gestureEvent)}assign(Hammer,{INPUT_START:INPUT_START,INPUT_MOVE:INPUT_MOVE,INPUT_END:INPUT_END,INPUT_CANCEL:INPUT_CANCEL,STATE_POSSIBLE:STATE_POSSIBLE,STATE_BEGAN:STATE_BEGAN,STATE_CHANGED:STATE_CHANGED,STATE_ENDED:STATE_ENDED,STATE_RECOGNIZED:STATE_RECOGNIZED,STATE_CANCELLED:STATE_CANCELLED,STATE_FAILED:STATE_FAILED,DIRECTION_NONE:DIRECTION_NONE,DIRECTION_LEFT:DIRECTION_LEFT,
DIRECTION_RIGHT:DIRECTION_RIGHT,DIRECTION_UP:DIRECTION_UP,DIRECTION_DOWN:DIRECTION_DOWN,DIRECTION_HORIZONTAL:DIRECTION_HORIZONTAL,DIRECTION_VERTICAL:DIRECTION_VERTICAL,DIRECTION_ALL:DIRECTION_ALL,Manager:Manager,Input:Input,TouchAction:TouchAction,TouchInput:TouchInput,MouseInput:MouseInput,PointerEventInput:PointerEventInput,TouchMouseInput:TouchMouseInput,SingleTouchInput:SingleTouchInput,Recognizer:Recognizer,AttrRecognizer:AttrRecognizer,Tap:TapRecognizer,Pan:PanRecognizer,Swipe:SwipeRecognizer,
Pinch:PinchRecognizer,Rotate:RotateRecognizer,Press:PressRecognizer,on:addEventListeners,off:removeEventListeners,each:each,merge:merge,extend:extend,assign:assign,inherit:inherit,bindFn:bindFn,prefixed:prefixed});var freeGlobal=typeof window!=="undefined"?window:typeof self!=="undefined"?self:{};freeGlobal.Hammer=Hammer;if(typeof define==="function"&&define.amd)define(function(){return Hammer});else if(typeof module!="undefined"&&module.exports)module.exports=Hammer;else window[exportName]=Hammer})(window,
document,"Hammer");