2017-08-05 12:03:18 -07:00
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define(["browser","layoutManager","dom","focusManager","ResizeObserver","scrollStyles"],function(browser,layoutManager,dom,focusManager,ResizeObserver){"use strict";function type(value){return null==value?String(value):"object"==typeof value||"function"==typeof value?Object.prototype.toString.call(value).match(/\s([a-z]+)/i)[1].toLowerCase()||"object":typeof value}function disableOneEvent(event){event.preventDefault(),event.stopPropagation(),this.removeEventListener(event.type,disableOneEvent)}function within(number,min,max){return number<min?min:number>max?max:number}var dragMouseEvents=["mousemove","mouseup"],dragTouchEvents=["touchmove","touchend"],wheelEvent=document.implementation.hasFeature("Event.wheel","3.0")?"wheel":"mousewheel",interactiveElements=["INPUT","SELECT","TEXTAREA"],abs=Math.abs,sqrt=Math.sqrt,pow=Math.pow,round=Math.round,max=Math.max,scrollerFactory=(Math.min,function(frame,options){function sibling(n,elem){for(var matched=[];n;n=n.nextSibling)1===n.nodeType&&n!==elem&&matched.push(n);return matched}function ensureSizeInfo(){requiresReflow&&(requiresReflow=!1,frameSize=o.horizontal?frame.offsetWidth:frame.offsetHeight,slideeSize=o.scrollWidth||Math.max(slideeElement[o.horizontal?"offsetWidth":"offsetHeight"],slideeElement[o.horizontal?"scrollWidth":"scrollHeight"]),self._pos.end=max(slideeSize-frameSize,0))}function load(isInit){if(requiresReflow=!0,!isInit){ensureSizeInfo();var pos=self._pos;self.slideTo(within(pos.dest,pos.start,pos.end))}}function initFrameResizeObserver(){var observerOptions={};self.frameResizeObserver=new ResizeObserver(onResize,observerOptions),self.frameResizeObserver.observe(frame)}function nativeScrollTo(container,pos,immediate){container.scroll?o.horizontal?container.scroll({left:pos,behavior:immediate?"instant":"smooth"}):container.scroll({top:pos,behavior:immediate?"instant":"smooth"}):!immediate&&container.scrollTo?o.horizontal?container.scrollTo(Math.round(pos),0):container.scrollTo(0,Math.round(pos)):o.horizontal?container.scrollLeft=Math.round(pos):container.scrollTop=Math.round(pos)}function setStyleProperty(elem,name,value,speed,resetTransition){var style=elem.style;(resetTransition||browser.edge)&&(style.transition="none",void elem.offsetWidth),style.transition="transform "+speed+"ms ease-out",style[name]=value}function dispatchScrollEventIfNeeded(){o.dispatchScrollEvent&&frame.dispatchEvent(new CustomEvent(self.getScrollEventName(),{bubbles:!0,cancelable:!1}))}function renderAnimateWithTransform(){var speed=o.speed;animation.immediate&&(speed=o.immediateSpeed||50),o.horizontal?setStyleProperty(slideeElement,"transform","translateX("+-round(animation.to)+"px)",speed):setStyleProperty(slideeElement,"transform","translateY("+-round(animation.to)+"px)",speed),self._pos.cur=animation.to,dispatchScrollEventIfNeeded()}function getBoundingClientRect(elem){return elem.getBoundingClientRect?elem.getBoundingClientRect():{top:0,left:0}}function dragInitSlidee(event){var isTouch="touchstart"===event.type;if(!(dragging.init||!isTouch&&isInteractive(event.target))&&(isTouch?o.touchDragging:o.mouseDragging&&event.which<2)){isTouch||event.preventDefault(),dragging.released=0,dragging.init=0,dragging.source=event.target,dragging.touch=isTouch;var pointer=isTouch?event.touches[0]:event;dragging.initX=pointer.pageX,dragging.initY=pointer.pageY,dragging.initPos=self._pos.cur,dragging.start=+new Date,dragging.time=0,dragging.path=0,dragging.delta=0,dragging.locked=0,dragging.pathToLock=isTouch?30:10,transform&&(isTouch?dragTouchEvents.forEach(function(eventName){dom.addEventListener(document,eventName,dragHandler,{passive:!0})}):dragMouseEvents.forEach(function(eventName){dom.addEventListener(document,eventName,dragHandler,{passive:!0})}))}}function dragHandler(event){dragging.released="mouseup"===event.type||"touchend"===event.type;var pointer=dragging.touch?event[dragging.released?"changedTouches":"touches"][0]:event;if(dragging.pathX=pointer.pageX-dragging.initX,dragging.pathY=pointer.pageY-dragging.initY,dragging.path=sqrt(pow(dragging.pathX,2)+pow(dragging.pathY,2)),dragging.de
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