1 line
30 KiB
JavaScript
1 line
30 KiB
JavaScript
define(["exports","./../layoutmanager.js","./../browser.js","./../dom.js","./../focusmanager.js","./../appheader/appheadercontent.js"],function(_exports,_layoutmanager,_browser,_dom,_focusmanager,_appheadercontent){Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.default=void 0,require(["scrollStyles"]);var cores,deviceMemory,platform,preventScrollSupported=function(){var supported=!1;try{var focusOptions={};Object.defineProperty(focusOptions,"preventScroll",{get:function(){return supported=!0},enumerable:!0,configurable:!0}),document.createElement("div").focus(focusOptions)}catch(err){console.log("error testing preventScroll support: "+err)}return supported}(),allowAnimatedScroll=!!CSS.supports("transform","scale(1)")&&!((cores=navigator.hardwareConcurrency||4)<4||(2400<=(screen.width||screen.availWidth||0)||1400<=(screen.height||screen.availHeight||0))&&cores<6||(deviceMemory=navigator.deviceMemory||2)<2||!_dom.default.supportsEventListenerOnce()||!document.documentElement.animate||_browser.default.web0s||_browser.default.netcast||(platform=(navigator.platform||"").toLowerCase(),"android"===globalThis.appMode&&(cores<4||deviceMemory<2||platform.includes("armv7"))));function within(number,start,end){var min=start<end?start:end,start=end<start?start:end;return number<min?min:start<number?start:number}function parsePxToInt(value){return!value||!(value=value.endsWith("px")?value.substring(0,value.length-2):value)||(value=parseInt(value),isNaN(value))?0:value}var PaddingInlineStartProp=CSS.supports("padding-inline-start","0")?"padding-inline-start":CSS.supports("-webkit-padding-start","0")?"-webkit-padding-start":"padding-left",PaddingInlineEndProp=CSS.supports("padding-inline-end","0")?"padding-inline-end":CSS.supports("-webkit-padding-end","0")?"-webkit-padding-end":"padding-right";function parseFocusScrollOffset(instance,offset){if("-padding-inline-start"===offset)return 0-instance.getPadding().inlineStart;var instance=offset,value=parseFloat(instance);if(!(instance=instance.match(/[a-zA-Z%]+/))||0===instance.length)return value;switch(instance[0].toLowerCase()){case"px":return value;case"rem":return value*parseFloat(getComputedStyle(document.documentElement).fontSize);case"vw":return value/100*_dom.default.getWindowSize().innerWidth;case"vh":return value/100*_dom.default.getWindowSize().innerHeight}throw new Error("Unsupported unit for conversion: "+instance)}function resetScroll(){this.scrollTop=0,this.scrollLeft=0}function resetScrollTop(){this.scrollTop=0}function resetScrollLeft(){this.scrollLeft=0}var wheelEvent=document.implementation.hasFeature("Event.wheel","3.0")?"wheel":"mousewheel",interactiveElements=["INPUT","SELECT","TEXTAREA"],abs=Math.abs,round=Math.round;var isSmoothScrollSupported="scrollBehavior"in document.documentElement.style,SupportsScrollMethodOptions=isSmoothScrollSupported;function Scroller(frame,options){var options=Object.assign({},{slidee:null,horizontal:!1,mouseWheel:!0,scrollBy:100,dragSource:null,dragThreshold:3,speed:320,adaptiveBorder:0,autoStartEdge:!0,autoPreventScrollOnFocus:!0},options),slideeElement=(options.forceNativeScroll||isSmoothScrollSupported&&(_browser.default.firefox&&!_layoutmanager.default.tv||options.allowNativeSmoothScroll)?options.enableNativeScroll=!0:options.forceSmoothScroll?options.enableNativeScroll=!1:_layoutmanager.default.tv&&allowAnimatedScroll||(options.enableNativeScroll=!0),options.inlineMultiplier="rtl"===document.dir?-1:1,(this.options=options).slidee),slideeElement=(this.listenerCount=0,this._pos={start:0,center:0,end:0,scrollLeft:0,scrollTop:0},this.dragSourceElement=options.dragSource||frame,this.currentDelta=0,this.initialized=0,this.slideeElement=slideeElement,this.options=options,this.dragging={},this.contentRects=[],this.resizeListeners=[],frame);this.nativeScrollElement=slideeElement,this.frame=frame,this.requiresReflow=!0,this.frameSize={width:0,height:0},this.slideeSize={width:0,height:0},this.onSourceClickFn=function(event){var dragging=this.dragging;!dragging.locked&&0<Math.abs(dragging.delta)&&(dragging.locked=1,event.preventDefault(),event.stopPropagation(),(event.currentTarget||event.target).removeEventListener(event.type,this.onSourceClickFn))}.bind(this),this.onScrollForCachingFn=function(e){this._cachedScrollTop=null,this._cachedScrollLeft=null}.bind(this)}function onResize(entries){var contentRects=this.contentRects,hasResize=!1;this._cachedScrollTop=null,this._cachedScrollLeft=null,this._cachedScrollHeight=null,this._cachedScrollWidth=null,this._cachedPadding=null,this._frameRect=null;for(var i=0,length=entries.length;i<length;i++){var entry=entries[i];if(entry){var newRect=entry.contentRect;if(0!==newRect.width&&0!==newRect.height){entry=contentRects?function(contentRects,target){for(var i=0,length=contentRects.length;i<length;i++){var _rect=contentRects[i];if(_rect.target===target)return _rect}var rect={target:target};return contentRects.push(rect),rect}(contentRects,entry.target):null;if(entry&&(newRect.width!==entry.width||newRect.height!==entry.height)){entry.width=newRect.width,entry.height=newRect.height,hasResize=!0;break}}}}hasResize&&(this.options.enableNativeScroll?this.requiresReflow=!0:load(this,!1));var listeners=this.resizeListeners;if(listeners)for(var _i=0,_length=listeners.length;_i<_length;_i++)listeners[_i](entries)}function load(instance,isInit){instance.requiresReflow=!0,isInit||(instance.ensureSizeInfo(),instance.options.enableNativeScroll||(isInit=instance._pos,isInit=within(instance.getScrollPosition(),isInit.start,isInit.end),instance.scrollToPosition({position:isInit})),instance.requiresReflow=!0)}function onDragEnd(instance){var dragging=instance.dragging,dragHandler=(dragging.released=!0,instance.dragHandler);dragHandler&&(_dom.default.removeEventListener(document,"pointermove",dragHandler,{passive:!0}),_dom.default.removeEventListener(document,"pointerup",dragHandler,{passive:!0})),setTimeout(function(){dragging.source.removeEventListener("click",instance.onSourceClickFn)}),dragging.init=0}function dragHandler(event){var dragging=this.dragging,options=this.options,released="pointerup"===event.type,touches=getTouches(event),touches=touches&&touches.length?touches[0]:event,pathX=touches.clientX-dragging.initX,touches=touches.clientY-dragging.initY,horizontal=options.horizontal,absDelta=(dragging.delta=horizontal?pathX:touches,Math.abs(dragging.delta));if(released||!(absDelta<1)){if(!dragging.init){if(absDelta<options.dragThreshold)return released?onDragEnd(this):void 0;if(!(horizontal?abs(pathX)>abs(touches):abs(pathX)<abs(touches)))return onDragEnd(this);dragging.init=1}event.preventDefault();options=dragging.initPos-dragging.delta,pathX=event.timeStamp,touches=pathX-dragging.startTime;released?(onDragEnd(this),touches<200&&absDelta<=0||(event=function(current,start,time,deceleration){var start=current-start,duration=(time=Math.abs(start)/time)/(deceleration=void 0===deceleration?6e-4:deceleration);return{destination:Math.round(current+time/(2*deceleration)*(start<0?-1:1)),duration:duration}}(options,dragging.momentumPos,touches,void(this.getScrollSize(),getFrameSize(this,horizontal))),options=Math.max(0,event.destination))):300<touches&&(dragging.startTime=pathX,dragging.momentumPos=options),this.scrollToPosition({behavior:released?"smooth":"instant",position:options})}}function getFrameSize(instance,horizontal,subtractPadding){null==horizontal&&(horizontal=instance.options.horizontal);var frameSize=instance.frameSize,frameSize=horizontal?frameSize.width:frameSize.height;return subtractPadding?subtractPaddingFromFrameSize(instance,horizontal,frameSize):frameSize}function subtractPaddingFromFrameSize(instance,horizontal,frameSize){instance=instance.getPadding();return horizontal?frameSize-instance.inlineStart-instance.inlineEnd:frameSize-instance.top-instance.bottom}function getTouches(e){return e.changedTouches||e.targetTouches||e.touches}function onDragStart(event){var dragging,options,touches;0!==event.button||(dragging=this.dragging).init||function(element){for(;element;){if(interactiveElements.includes(element.tagName))return 1;element=element.parentNode}}(event.target)||(options=this.options,event.preventDefault(),dragging.init=0,dragging.startTime=event.timeStamp,dragging.source=event.target,touches=(touches=getTouches(event))&&touches.length?touches[0]:event,dragging.initX=touches.clientX,dragging.initY=touches.clientY,dragging.momentumPos=dragging.initPos=this.getScrollPosition(),dragging.delta=0,dragging.locked=0,dragging.source.addEventListener("click",this.onSourceClickFn),options.enableNativeScroll)||(event=this.dragHandler,_dom.default.addEventListener(document,"pointermove",event,{}),_dom.default.addEventListener(document,"pointerup",event,{}))}function addFrameResizeObserver(instance){instance.frameResizeObserver||(instance.frameResizeObserver=new ResizeObserver(onResize.bind(instance),{}),instance.options.enableNativeScroll?instance.frameResizeObserver.observe(instance.nativeScrollElement):(instance.options.dynamicFrameSizing&&instance.frameResizeObserver.observe(instance.slideeElement),instance.frameResizeObserver.observe(instance.frame)))}function scrollNative(instance,pos){var elem=instance.nativeScrollElement,isInstant="instant"===pos.behavior;return elem.scroll&&!isInstant?SupportsScrollMethodOptions?(null==pos.behavior&&(pos.behavior="auto"),elem.scroll(pos)):elem.scroll(Math.round(pos.left||0),Math.round(pos.top||0)):!elem.scrollTo||!SupportsScrollMethodOptions&&isInstant?(null!=pos.left&&(elem.scrollLeft=Math.round(pos.left)),null!=pos.top&&(elem.scrollTop=Math.round(pos.top))):SupportsScrollMethodOptions?(null==pos.behavior&&(pos.behavior="auto"),elem.scrollTo(pos)):elem.scrollTo(Math.round(pos.left||0),Math.round(pos.top||0)),instance._cachedScrollLeft=null,instance._cachedScrollTop=null,!1===pos.useDelayedPromise?Promise.resolve():setTimeoutPromise(!isSmoothScrollSupported||isInstant?0:100)}Scroller.prototype.init=function(){var options,frame,slideeElement,nativeScrollElement;if(!this.initialized)return options=this.options,frame=this.frame,slideeElement=this.slideeElement,options.enableNativeScroll?(nativeScrollElement=this.nativeScrollElement,options.horizontal?(nativeScrollElement.classList.add("scrollX"),!1!==options.hideScrollbar&&nativeScrollElement.classList.add("hiddenScrollX"),options.allowNativeSmoothScroll&&nativeScrollElement.classList.add("smoothScrollX")):(nativeScrollElement.classList.add("scrollY"),options.hideScrollbar&&nativeScrollElement.classList.add("hiddenScrollY"),options.allowNativeSmoothScroll&&nativeScrollElement.classList.add("smoothScrollY"),options.forceScrollbar&&nativeScrollElement.classList.add("overflowYScroll"))):frame.style.overflow="hidden",options.horizontal?(frame.classList.add("scrollFrameX"),slideeElement.classList.add("scrollSliderX")):(slideeElement.classList.add("scrollSliderY"),frame.classList.add("scrollFrameY")),nativeScrollElement=onDragStart.bind(this),this.dragStartHandler=nativeScrollElement,slideeElement=function(event){this.ensureSizeInfo();var options=this.options,scrollBy=options.scrollBy;scrollBy&&(event=function(event,instance){var options=instance.options;return instance.currentDelta=(options.horizontal?event.deltaY||event.deltaX:event.deltaY)||-event.wheelDelta,options.enableNativeScroll||(instance.currentDelta/=1===event.deltaMode?3:100),instance.currentDelta}(event,this),options.enableNativeScroll?(isSmoothScrollSupported&&(event*=12),this.scrollBy(event)):this.scrollBy(scrollBy*event))}.bind(this),this.mouseWheelHandler=slideeElement,options.enableNativeScroll&&_layoutmanager.default.tv&&options.focusScroll&&_dom.default.addEventListener(this.dragSourceElement,"mousedown",nativeScrollElement,{}),addFrameResizeObserver(this),options.enableNativeScroll?options.horizontal&&options.mouseWheel&&_dom.default.addEventListener(frame,wheelEvent,slideeElement,{passive:!0}):(this.dragSourceElement.style["touch-action"]="none",window.PointerEvent?_dom.default.addEventListener(this.dragSourceElement,"pointerdown",nativeScrollElement,{}):(_dom.default.addEventListener(this.dragSourceElement,"touchstart",nativeScrollElement,{}),_dom.default.addEventListener(this.dragSourceElement,"mousedown",nativeScrollElement,{})),options.dualScroll?_dom.default.addEventListener(frame,"scroll",resetScroll,{passive:!0}):options.horizontal?_dom.default.addEventListener(frame,"scroll",resetScrollLeft,{passive:!0}):_dom.default.addEventListener(frame,"scroll",resetScrollTop,{passive:!0}),options.mouseWheel&&_dom.default.addEventListener(frame,wheelEvent,slideeElement,{passive:!0})),options.focusScroll&&(this.boundOnFrameClick=function(e){1===e.which&&(e=_focusmanager.default.focusableParent(e.target,!1))&&e!==document.activeElement&&_focusmanager.default.focus(e,{preventScroll:this.options.autoPreventScrollOnFocus})}.bind(this),_dom.default.addEventListener(frame,"click",this.boundOnFrameClick,{passive:!0,capture:!0}),nativeScrollElement=this.focusHandler=function(e){var preventScroll,e=e.target,lastFocusInfo=((lastFocusInfo=_focusmanager.default.getLastFocusInfo()).element===e&&(preventScroll=null==(lastFocusInfo=lastFocusInfo.options)?void 0:lastFocusInfo.preventScroll),this.options);(preventScroll=null==preventScroll&&lastFocusInfo.autoPreventScrollOnFocus?!_layoutmanager.default.tv:preventScroll)||(preventScroll=_focusmanager.default.focusableParent(e)||e)&&this.to(this.options.focusScroll,preventScroll,{useDelayedPromise:!1,offset:lastFocusInfo.focusScrollOffset,behavior:lastFocusInfo.enableNativeScroll&&!lastFocusInfo.allowNativeSmoothScroll?"instant":null})}.bind(this),_dom.default.addEventListener(frame,"focus",nativeScrollElement,{capture:!0,passive:!0})),this.dragHandler=dragHandler.bind(this),this.initialized=1,load(this,!0),this};var SupportsTranslateProperty=CSS.supports("translate","40px 100px"),TranslateProperty=SupportsTranslateProperty?"translate":"transform";function setTimeoutPromise(delay){return new Promise(function(resolve,reject){setTimeout(resolve,delay)})}function renderAnimateWithTransform(instance,scrollOptions,immediate,useDelayedPromise){var speed=instance.options.speed,immediate=(immediate&&(speed=0),scrollOptions.left),top=scrollOptions.top,immediate=(null==immediate&&(immediate=instance.getScrollLeft()),null==top&&(top=instance.getScrollTop()),function(left,top){return left||top?SupportsTranslateProperty?left+"px "+top+"px":"translate("+left+"px, "+top+"px)":"none"}(-round(immediate),-round(top))),top=instance.slideeElement,lastTransitionValue=instance._lastTransitionValue,top=top.style,newTransitionValue=TranslateProperty+" "+speed+"ms ease-out";return newTransitionValue!==lastTransitionValue&&(top.transition=newTransitionValue,instance._lastTransitionValue=newTransitionValue),top[TranslateProperty]=immediate,null!=scrollOptions.left&&(instance._pos.scrollLeft=scrollOptions.left),null!=scrollOptions.top&&(instance._pos.scrollTop=scrollOptions.top),function(instance){instance.options.dispatchScrollEvent&&instance.frame.dispatchEvent(new CustomEvent(instance.getScrollEventName(),{bubbles:!0,cancelable:!1}))}(instance),!1===useDelayedPromise?Promise.resolve():setTimeoutPromise(speed)}var EmptyScrollOptions={};Scroller.prototype.slideTo=function(scrollOptions,fullItemPos){this.ensureSizeInfo();var pos=this._pos,options=this.options,horizontal=(null==(scrollOptions=scrollOptions||{}).horizontal?options:scrollOptions).horizontal;if(options.enableNativeScroll||(horizontal?null!=scrollOptions.left&&(scrollOptions.left=within(scrollOptions.left,pos.start,pos.end)):null!=scrollOptions.top&&(scrollOptions.top=within(scrollOptions.top,pos.start,pos.end))),scrollOptions.skipWhenVisible)if(fullItemPos){if(fullItemPos.isVisible||scrollOptions.skipWhenAnyVisible&&fullItemPos.anyVisible)return Promise.resolve()}else if(scrollOptions.itemSize){var fullItemPos=scrollOptions.itemSize/2,slideeOffset=scrollOptions.slideeOffset||(options.enableNativeScroll?this.getScrollContainerBoundingClientRect():this.slideeElement.getBoundingClientRect()),left=scrollOptions.left,top=scrollOptions.top,top=(null==left&&(left=this.getScrollLeft()),null==top&&(top=this.getScrollTop()),{itemBoundingClientRect:{width:horizontal?scrollOptions.itemSize:null,height:horizontal?null:scrollOptions.itemSize,left:horizontal?slideeOffset.left+left-fullItemPos:null,top:horizontal?null:slideeOffset.top+top-fullItemPos,right:horizontal?slideeOffset.left+left+fullItemPos:null},location:scrollOptions.location}),left=(options.enableNativeScroll&&(slideeOffset=horizontal?this.getScrollLeft():this.getScrollTop(),horizontal?(top.itemBoundingClientRect.left-=slideeOffset,top.itemBoundingClientRect.right-=slideeOffset):top.itemBoundingClientRect.top-=slideeOffset),this.getElementPosition(null,horizontal,top));if(left.isVisible||scrollOptions.skipWhenAnyVisible&&left.anyVisible)return Promise.resolve()}fullItemPos=scrollOptions.useDelayedPromise;return options.enableNativeScroll?scrollNative(this,scrollOptions):null!=scrollOptions.left&&scrollOptions.left!==pos.scrollLeft||null!=scrollOptions.top&&scrollOptions.top!==pos.scrollTop?renderAnimateWithTransform(this,scrollOptions,"instant"===scrollOptions.behavior,fullItemPos):Promise.resolve()},Scroller.prototype.scrollToPosition=function(pos){var options=this.options;if(null!=pos.position&&(options.horizontal?pos.left=pos.position:pos.top=pos.position,pos.position=null,delete pos.position),!options.enableNativeScroll)return this.slideTo(pos);var hasLeft=null!=pos.left,hasTop=null!=pos.top;if(!hasLeft||!hasTop)if(options.horizontal){if(hasLeft)return pos.behavior||(pos.behavior=isSmoothScrollSupported&&!_layoutmanager.default.tv?"smooth":"auto"),this.slideTo(pos)}else if(hasTop)return pos.behavior||(pos.behavior=isSmoothScrollSupported&&!_layoutmanager.default.tv?"smooth":"auto"),this.slideTo(pos);return pos.behavior="instant",scrollNative(this,pos)},Scroller.prototype.getElementPosition=function(item,horizontal,scrollOptions){var options=this.options,enableNativeScroll=options.enableNativeScroll,slideeOffset=(scrollOptions=scrollOptions||EmptyScrollOptions).slideeOffset||(enableNativeScroll?this.getScrollContainerBoundingClientRect():this.slideeElement.getBoundingClientRect()),itemOffset=scrollOptions.itemBoundingClientRect||item.getBoundingClientRect(),multiplier=horizontal?this.getScrollLeftMultiplier():this.getScrollTopMultiplier(),slideeOffset=horizontal?-1===multiplier?itemOffset.right-slideeOffset.right:itemOffset.left-slideeOffset.left:itemOffset.top-slideeOffset.top,itemOffset=horizontal?itemOffset.width:itemOffset.height,item=(itemOffset||0===itemOffset||(itemOffset=item[horizontal?"offsetWidth":"offsetHeight"]),options.centerOffset||0),options=horizontal?this.getScrollLeft():this.getScrollTop(),enableNativeScroll=(enableNativeScroll&&(slideeOffset+=options),slideeOffset),scrollOffset=scrollOptions.offset,scrollOffset=(scrollOffset&&(enableNativeScroll+=function(instance,offset){if(!offset)return null;switch(typeof offset){case"number":return offset;case"string":return parseFocusScrollOffset(instance,offset);default:return null}}(this,scrollOffset)||0),this.ensureSizeInfo(),scrollOptions.frameSizeForComparison||getFrameSize(this,horizontal,!1)),options=Math.abs(options),currentEnd=options+scrollOffset,scrollOptions=("adaptive"===scrollOptions.location&&(options+=scrollOptions=scrollOptions.adaptiveBorder||0,currentEnd-=scrollOptions),Math.abs(slideeOffset)),slideeOffset=Math.abs(enableNativeScroll)>=options&&scrollOptions+itemOffset<=currentEnd,options=slideeOffset||Math.abs(enableNativeScroll)+itemOffset>=options&&scrollOptions<=currentEnd,scrollOptions=subtractPaddingFromFrameSize(this,horizontal,scrollOffset);return{start:enableNativeScroll,center:enableNativeScroll+item-(scrollOptions/2-itemOffset/2)*multiplier,end:enableNativeScroll-(scrollOptions-itemOffset)*multiplier,isVisible:slideeOffset,anyVisible:options}},Scroller.prototype.ensureSizeInfo=function(){var options,horizontal,frame,newFrameSize;this.requiresReflow&&(this.requiresReflow=!1,frame=this.frame,newFrameSize={},((horizontal=(options=this.options).horizontal)||options.dualScroll)&&(newFrameSize.width=frame.offsetWidth),horizontal&&!options.dualScroll||(newFrameSize.height=frame.offsetHeight),this.frameSize=newFrameSize,options.enableNativeScroll||(options.dynamicFrameSizing?(frame=this.slideeElement,newFrameSize=getComputedStyle(frame),this.slideeSize={width:Math.max(frame.offsetWidth,frame.scrollWidth)+parsePxToInt(newFrameSize.getPropertyValue(PaddingInlineStartProp))+parsePxToInt(newFrameSize.getPropertyValue(PaddingInlineEndProp)),height:Math.max(frame.offsetHeight,frame.scrollHeight)+parsePxToInt(newFrameSize.getPropertyValue("padding-top"))+parsePxToInt(newFrameSize.getPropertyValue("padding-bottom"))}):this.slideeSize={width:5e6,height:5e6},this._pos.end=Math.max(this.getScrollSize()-getFrameSize(this,horizontal,!0),0)*this.getScrollMultiplier()))},Scroller.prototype.getScrollEventName=function(){return this.options.enableNativeScroll?"scroll":"scrollanimate"},Scroller.prototype.getScrollContainerBoundingClientRect=function(){var rect;return this.frameResizeObserver?(null==(rect=this._frameRect)&&(rect=this.nativeScrollElement.getBoundingClientRect(),this._frameRect=rect),rect):(addFrameResizeObserver(this),this.nativeScrollElement.getBoundingClientRect())},Scroller.prototype.getScrollSlider=function(){return this.slideeElement},Scroller.prototype.addScrollEventListener=function(fn,options){this.listenerCount++,this.options.dispatchScrollEvent=0<this.listenerCount,this.options.cacheScrollPositions=this.options.dispatchScrollEvent&&preventScrollSupported,this.options.cacheScrollPositions&&this.addScrollCacheListener();var elem=this.options.enableNativeScroll?this.nativeScrollElement:this.frame;_dom.default.addEventListener(elem,this.getScrollEventName(),fn,options)},Scroller.prototype.removeScrollEventListener=function(fn,options){this.listenerCount=Math.max(this.listenerCount-1,0),this.options.dispatchScrollEvent=0<this.listenerCount,this.options.cacheScrollPositions=this.options.dispatchScrollEvent&&preventScrollSupported,this.options.cacheScrollPositions||this.removeScrollCacheListener();var elem=this.options.enableNativeScroll?this.nativeScrollElement:this.frame;_dom.default.removeEventListener(elem,this.getScrollEventName(),fn,options)},Scroller.prototype.addScrollCacheListener=function(){!this.options.enableNativeScroll||this._scrollCacheListenerBound||(this._scrollCacheListenerBound=!0,_dom.default.addEventListener(this.nativeScrollElement,"scroll",this.onScrollForCachingFn,{passive:!0}))},Scroller.prototype.removeScrollCacheListener=function(){var elem=this.nativeScrollElement;elem&&(this._scrollCacheListenerBound=!1,_dom.default.removeEventListener(elem,"scroll",this.onScrollForCachingFn,{passive:!0}))},Scroller.prototype.addResizeObserver=function(fn){addFrameResizeObserver(this),this.resizeListeners&&this.resizeListeners.push(fn)},Scroller.prototype.removeResizeObserver=function(fn){this.resizeListeners&&-1<(fn=this.resizeListeners.indexOf(fn))&&this.resizeListeners.splice(fn,1)},Scroller.prototype.isNativeScroll=function(item){return this.options.enableNativeScroll},Scroller.prototype.getScrollPosition=function(){return this.options.horizontal?this.getScrollLeft():this.getScrollTop()},Scroller.prototype.getLastScrollPosition=function(){return this.options.horizontal?this.getLastScrollLeft():this.getLastScrollTop()},Scroller.prototype.getScrollLeft=function(){var options=this.options;return options.enableNativeScroll?options.cacheScrollPositions?(null==(options=this._cachedScrollLeft)&&(options=this.nativeScrollElement.scrollLeft,this._cachedScrollLeft=options),options):this.nativeScrollElement.scrollLeft:this._pos.scrollLeft},Scroller.prototype.getScrollMultiplier=function(){return this.options.horizontal?this.getScrollLeftMultiplier():this.getScrollTopMultiplier()},Scroller.prototype.getScrollLeftMultiplier=function(){return this.options.inlineMultiplier},Scroller.prototype.getScrollTopMultiplier=function(){return 1},Scroller.prototype.getLastScrollLeft=function(){return this._cachedScrollLeft},Scroller.prototype.getScrollTop=function(){var options=this.options;return options.enableNativeScroll?options.cacheScrollPositions?(null==(options=this._cachedScrollTop)&&(options=this.nativeScrollElement.scrollTop,this._cachedScrollTop=options),options):this.nativeScrollElement.scrollTop:this._pos.scrollTop},Scroller.prototype.getLastScrollTop=function(){return this._cachedScrollTop},Scroller.prototype.getScrollSize=function(){return this.options.horizontal?this.getScrollWidth():this.getScrollHeight()},Scroller.prototype.getPadding=function(){addFrameResizeObserver(this);var inlineStart,inlineEnd,top,style,padding=this._cachedPadding;return padding||(inlineStart=parsePxToInt((style=getComputedStyle(this.frame)).getPropertyValue(PaddingInlineStartProp)),inlineEnd=parsePxToInt(style.getPropertyValue(PaddingInlineEndProp)),top=parsePxToInt(style.getPropertyValue("top")),style=parsePxToInt(style.getPropertyValue("bottom")),this._cachedPadding=padding={inlineStart:inlineStart,inlineEnd:inlineEnd,top:top,bottom:style}),padding},Scroller.prototype.getScrollWidth=function(){if(!this.options.enableNativeScroll)return this.slideeSize.width;addFrameResizeObserver(this);var value=this._cachedScrollWidth;return value||(value=this.nativeScrollElement.scrollWidth,this._cachedScrollWidth=value),value},Scroller.prototype.getScrollHeight=function(){if(!this.options.enableNativeScroll)return this.slideeSize.height;addFrameResizeObserver(this);var value=this._cachedScrollHeight;return value||(value=this.nativeScrollElement.scrollHeight,this._cachedScrollHeight=value),value},Scroller.prototype.scrollBy=function(delta,scrollOptions){var options;delta&&((options=this.options).enableNativeScroll?options.horizontal?this.nativeScrollElement.scrollLeft+=delta:this.nativeScrollElement.scrollTop+=delta:((scrollOptions=scrollOptions||{}).position=this.getScrollPosition()+delta,this.scrollToPosition(scrollOptions)))},Scroller.prototype.to=function(location,item,scrollOptions){var _options,options=this.options,horizontal=(null==(scrollOptions=scrollOptions||{}).horizontal?options:scrollOptions).horizontal,adaptiveScroll="adaptive"===location,frameSizeForComparison=(scrollOptions.slideeOffset=options.enableNativeScroll?this.getScrollContainerBoundingClientRect():this.slideeElement.getBoundingClientRect(),getFrameSize(this,horizontal)),options=(scrollOptions.frameSizeForComparison=frameSizeForComparison,options.adaptiveBorder||Math.max(horizontal?.03*frameSizeForComparison:.08*frameSizeForComparison,30)),frameSizeForComparison=(scrollOptions.location=location,scrollOptions.adaptiveBorder=options,this.getElementPosition(item,horizontal,scrollOptions));adaptiveScroll&&(item=horizontal?this.getScrollLeftMultiplier():this.getScrollTopMultiplier(),adaptiveScroll=(horizontal?this.getScrollLeft():this.getScrollTop())*item,_options=this.options,frameSizeForComparison.start-=options*=item,frameSizeForComparison.end+=options,options=0,_options.autoStartEdge&&(options=horizontal?.05*_dom.default.getWindowSize().innerWidth:+_appheadercontent.default.getHeight()),frameSizeForComparison.start*item<options&&0!==frameSizeForComparison.start&&(frameSizeForComparison.start=0),location=frameSizeForComparison.start*item<=adaptiveScroll?"start":frameSizeForComparison.end*item>=adaptiveScroll?"end":"center",scrollOptions.skipWhenVisible=!0),horizontal?scrollOptions.left=frameSizeForComparison[location]:scrollOptions.top=frameSizeForComparison[location],this.slideTo(scrollOptions,frameSizeForComparison)},Scroller.prototype.toStart=function(item,scrollOptions){this.to("start",item,scrollOptions)},Scroller.prototype.toEnd=function(item,scrollOptions){this.to("end",item,scrollOptions)},Scroller.prototype.scrollToElement=function(item,scrollOptions){var options=this.options;return null==(scrollOptions=scrollOptions||{}).offset&&(scrollOptions.offset=options.focusScrollOffset),options.enableNativeScroll&&!options.allowNativeSmoothScroll&&(scrollOptions.behavior="instant"),this.to(options.focusScroll,item,scrollOptions)},Scroller.prototype.toCenter=function(item,scrollOptions){this.to("center",item,scrollOptions)},Scroller.prototype.scrollBackwards=function(){this.scrollBy(0-this.options.scrollBy)},Scroller.prototype.scrollForwards=function(){this.scrollBy(this.options.scrollBy)},Scroller.prototype.notifyResized=function(){onResize.call(this,[])},Scroller.prototype.destroy=function(){this.frameResizeObserver&&(this.frameResizeObserver.disconnect(),this.frameResizeObserver=null);var frame=this.frame,dragSourceElement=this.dragSourceElement,mouseWheelHandler=(_dom.default.removeEventListener(frame,"scroll",resetScrollTop,{passive:!0}),_dom.default.removeEventListener(frame,"scroll",resetScrollLeft,{passive:!0}),_dom.default.removeEventListener(frame,"scroll",resetScroll,{passive:!0}),this.mouseWheelHandler),mouseWheelHandler=(mouseWheelHandler&&_dom.default.removeEventListener(frame,wheelEvent,mouseWheelHandler,{passive:!0}),this.dragStartHandler),dragSourceElement=(mouseWheelHandler&&(_dom.default.removeEventListener(dragSourceElement,"touchstart",mouseWheelHandler,{passive:!0}),_dom.default.removeEventListener(dragSourceElement,"mousedown",mouseWheelHandler,{passive:!0}),_dom.default.removeEventListener(dragSourceElement,"pointerdown",mouseWheelHandler,{passive:!0})),this.focusHandler),mouseWheelHandler=(dragSourceElement&&_dom.default.removeEventListener(frame,"focus",dragSourceElement,{capture:!0,passive:!0}),this.boundOnFrameClick);return mouseWheelHandler&&(_dom.default.removeEventListener(frame,"click",mouseWheelHandler,{passive:!0,capture:!0}),this.boundOnFrameClick=null),this.removeScrollCacheListener(),this.mouseWheelHandler=null,this.dragSourceElement=null,this.initialized=null,this.nativeScrollElement=null,this.frame=null,this.options=null,this.slideeSize=null,this._pos=null,this.requiresReflow=null,this.frameSize=null,this.dragging=null,this.contentRects=null,this.dragHandler=null,this.dragStartHandler=null,this.onSourceClickFn=null,this.onScrollForCachingFn=null,this.resizeListeners=null,this._cachedScrollTop=null,this._cachedScrollLeft=null,this._cachedScrollHeight=null,this._cachedScrollWidth=null,this._cachedPadding=null,this._frameRect=null,this},Scroller.create=function(frame,options){frame=new Scroller(frame,options);return Promise.resolve(frame)},_exports.default=Scroller}); |