(function(global,factory){typeof exports==='object'&&typeof module!=='undefined'?module.exports=factory():typeof define==='function'&&define.amd?define(factory):(global.PerfectScrollbar=factory())}(this,(function(){'use strict';function get(element){return getComputedStyle(element)}
function set(element,obj){for(var key in obj){var val=obj[key];if(typeof val==='number'){val=val+"px"}
element.style[key]=val}
return element}
function div(className){var div=document.createElement('div');div.className=className;return div}
var elMatches=typeof Element!=='undefined'&&(Element.prototype.matches||Element.prototype.webkitMatchesSelector||Element.prototype.msMatchesSelector);function matches(element,query){if(!elMatches){throw new Error('No element matching method supported')}
return elMatches.call(element,query)}
function remove(element){if(element.remove){element.remove()}else{if(element.parentNode){element.parentNode.removeChild(element)}}}
function queryChildren(element,selector){return Array.prototype.filter.call(element.children,function(child){return matches(child,selector)})}
var cls={main:'ps',element:{thumb:function(x){return("ps__thumb-"+x)},rail:function(x){return("ps__rail-"+x)},consuming:'ps__child--consume',},state:{focus:'ps--focus',active:function(x){return("ps--active-"+x)},scrolling:function(x){return("ps--scrolling-"+x)},},};var scrollingClassTimeout={x:null,y:null};function addScrollingClass(i,x){var classList=i.element.classList;var className=cls.state.scrolling(x);if(classList.contains(className)){clearTimeout(scrollingClassTimeout[x])}else{classList.add(className)}}
function removeScrollingClass(i,x){scrollingClassTimeout[x]=setTimeout(function(){return i.isAlive&&i.element.classList.remove(cls.state.scrolling(x))},i.settings.scrollingThreshold)}
function setScrollingClassInstantly(i,x){addScrollingClass(i,x);removeScrollingClass(i,x)}
var EventElement=function EventElement(element){this.element=element;this.handlers={}};var prototypeAccessors={isEmpty:{configurable:!0}};EventElement.prototype.bind=function bind(eventName,handler){if(typeof this.handlers[eventName]==='undefined'){this.handlers[eventName]=[]}
this.handlers[eventName].push(handler);this.element.addEventListener(eventName,handler,!1)};EventElement.prototype.unbind=function unbind(eventName,target){var this$1=this;this.handlers[eventName]=this.handlers[eventName].filter(function(handler){if(target&&handler!==target){return!0}
this$1.element.removeEventListener(eventName,handler,!1);return!1})};EventElement.prototype.unbindAll=function unbindAll(){var this$1=this;for(var name in this$1.handlers){this$1.unbind(name)}};prototypeAccessors.isEmpty.get=function(){var this$1=this;return Object.keys(this.handlers).every(function(key){return this$1.handlers[key].length===0})};Object.defineProperties(EventElement.prototype,prototypeAccessors);var EventManager=function EventManager(){this.eventElements=[]};EventManager.prototype.eventElement=function eventElement(element){var ee=this.eventElements.filter(function(ee){return ee.element===element})[0];if(!ee){ee=new EventElement(element);this.eventElements.push(ee)}
return ee};EventManager.prototype.bind=function bind(element,eventName,handler){this.eventElement(element).bind(eventName,handler)};EventManager.prototype.unbind=function unbind(element,eventName,handler){var ee=this.eventElement(element);ee.unbind(eventName,handler);if(ee.isEmpty){this.eventElements.splice(this.eventElements.indexOf(ee),1)}};EventManager.prototype.unbindAll=function unbindAll(){this.eventElements.forEach(function(e){return e.unbindAll()});this.eventElements=[]};EventManager.prototype.once=function once(element,eventName,handler){var ee=this.eventElement(element);var onceHandler=function(evt){ee.unbind(eventName,onceHandler);handler(evt)};ee.bind(eventName,onceHandler)};function createEvent(name){if(typeof window.CustomEvent==='function'){return new CustomEvent(name)}else{var evt=document.createEvent('CustomEvent');evt.initCustomEvent(name,!1,!1,undefined);return evt}}
var processScrollDiff=function(i,axis,diff,useScrollingClass,forceFireReachEvent){if(useScrollingClass===void 0)useScrollingClass=!0;if(forceFireReachEvent===void 0)forceFireReachEvent=!1;var fields;if(axis==='top'){fields=['contentHeight','containerHeight','scrollTop','y','up','down']}else if(axis==='left'){fields=['contentWidth','containerWidth','scrollLeft','x','left','right']}else{throw new Error('A proper axis should be provided')}
processScrollDiff$1(i,diff,fields,useScrollingClass,forceFireReachEvent)};function processScrollDiff$1(i,diff,ref,useScrollingClass,forceFireReachEvent){var contentHeight=ref[0];var containerHeight=ref[1];var scrollTop=ref[2];var y=ref[3];var up=ref[4];var down=ref[5];if(useScrollingClass===void 0)useScrollingClass=!0;if(forceFireReachEvent===void 0)forceFireReachEvent=!1;var element=i.element;i.reach[y]=null;if(element[scrollTop]<1){i.reach[y]='start'}
if(element[scrollTop]>i[contentHeight]-i[containerHeight]-1){i.reach[y]='end'}
if(diff){element.dispatchEvent(createEvent(("ps-scroll-"+y)));if(diff<0){element.dispatchEvent(createEvent(("ps-scroll-"+up)))}else if(diff>0){element.dispatchEvent(createEvent(("ps-scroll-"+down)))}
if(useScrollingClass){setScrollingClassInstantly(i,y)}}
if(i.reach[y]&&(diff||forceFireReachEvent)){element.dispatchEvent(createEvent(("ps-"+y+"-reach-"+(i.reach[y]))))}}
function toInt(x){return parseInt(x,10)||0}
function isEditable(el){return(matches(el,'input,[contenteditable]')||matches(el,'select,[contenteditable]')||matches(el,'textarea,[contenteditable]')||matches(el,'button,[contenteditable]'))}
function outerWidth(element){var styles=get(element);return(toInt(styles.width)+toInt(styles.paddingLeft)+toInt(styles.paddingRight)+toInt(styles.borderLeftWidth)+toInt(styles.borderRightWidth))}
var env={isWebKit:typeof document!=='undefined'&&'WebkitAppearance' in document.documentElement.style,supportsTouch:typeof window!=='undefined'&&('ontouchstart' in window||(window.DocumentTouch&&document instanceof window.DocumentTouch)),supportsIePointer:typeof navigator!=='undefined'&&navigator.msMaxTouchPoints,isChrome:typeof navigator!=='undefined'&&/Chrome/i.test(navigator&&navigator.userAgent),};var updateGeometry=function(i){var element=i.element;i.containerWidth=element.clientWidth;i.containerHeight=element.clientHeight;i.contentWidth=element.scrollWidth;i.contentHeight=element.scrollHeight;if(!element.contains(i.scrollbarXRail)){queryChildren(element,cls.element.rail('x')).forEach(function(el){return remove(el)});element.appendChild(i.scrollbarXRail)}
if(!element.contains(i.scrollbarYRail)){queryChildren(element,cls.element.rail('y')).forEach(function(el){return remove(el)});element.appendChild(i.scrollbarYRail)}
if(!i.settings.suppressScrollX&&i.containerWidth+i.settings.scrollXMarginOffset<i.contentWidth){i.scrollbarXActive=!0;i.railXWidth=i.containerWidth-i.railXMarginWidth;i.railXRatio=i.containerWidth/i.railXWidth;i.scrollbarXWidth=getThumbSize(i,toInt(i.railXWidth*i.containerWidth / i.contentWidth)
    );
    i.scrollbarXLeft = toInt(
      (i.negativeScrollAdjustment + element.scrollLeft) *
        (i.railXWidth - i.scrollbarXWidth) /(i.contentWidth-i.containerWidth))}else{i.scrollbarXActive=!1}
if(!i.settings.suppressScrollY&&i.containerHeight+i.settings.scrollYMarginOffset<i.contentHeight){i.scrollbarYActive=!0;i.railYHeight=i.containerHeight-i.railYMarginHeight;i.railYRatio=i.containerHeight/i.railYHeight;i.scrollbarYHeight=getThumbSize(i,toInt(i.railYHeight*i.containerHeight / i.contentHeight)
    );
    i.scrollbarYTop = toInt(
      element.scrollTop *
        (i.railYHeight - i.scrollbarYHeight) /(i.contentHeight-i.containerHeight))}else{i.scrollbarYActive=!1}
if(i.scrollbarXLeft>=i.railXWidth-i.scrollbarXWidth){i.scrollbarXLeft=i.railXWidth-i.scrollbarXWidth}
if(i.scrollbarYTop>=i.railYHeight-i.scrollbarYHeight){i.scrollbarYTop=i.railYHeight-i.scrollbarYHeight}
updateCss(element,i);if(i.scrollbarXActive){element.classList.add(cls.state.active('x'))}else{element.classList.remove(cls.state.active('x'));i.scrollbarXWidth=0;i.scrollbarXLeft=0;element.scrollLeft=0}
if(i.scrollbarYActive){element.classList.add(cls.state.active('y'))}else{element.classList.remove(cls.state.active('y'));i.scrollbarYHeight=0;i.scrollbarYTop=0;element.scrollTop=0}};function getThumbSize(i,thumbSize){if(i.settings.minScrollbarLength){thumbSize=Math.max(thumbSize,i.settings.minScrollbarLength)}
if(i.settings.maxScrollbarLength){thumbSize=Math.min(thumbSize,i.settings.maxScrollbarLength)}
return thumbSize}
function updateCss(element,i){var xRailOffset={width:i.railXWidth};if(i.isRtl){xRailOffset.left=i.negativeScrollAdjustment+element.scrollLeft+i.containerWidth-i.contentWidth}else{xRailOffset.left=element.scrollLeft}
if(i.isScrollbarXUsingBottom){xRailOffset.bottom=i.scrollbarXBottom-element.scrollTop}else{xRailOffset.top=i.scrollbarXTop+element.scrollTop}
set(i.scrollbarXRail,xRailOffset);var yRailOffset={top:element.scrollTop,height:i.railYHeight};if(i.isScrollbarYUsingRight){if(i.isRtl){yRailOffset.right=i.contentWidth-(i.negativeScrollAdjustment+element.scrollLeft)-i.scrollbarYRight-i.scrollbarYOuterWidth}else{yRailOffset.right=i.scrollbarYRight-element.scrollLeft}}else{if(i.isRtl){yRailOffset.left=i.negativeScrollAdjustment+element.scrollLeft+i.containerWidth*2-i.contentWidth-i.scrollbarYLeft-i.scrollbarYOuterWidth}else{yRailOffset.left=i.scrollbarYLeft+element.scrollLeft}}
set(i.scrollbarYRail,yRailOffset);set(i.scrollbarX,{left:i.scrollbarXLeft,width:i.scrollbarXWidth-i.railBorderXWidth,});set(i.scrollbarY,{top:i.scrollbarYTop,height:i.scrollbarYHeight-i.railBorderYWidth,})}
var clickRail=function(i){i.event.bind(i.scrollbarY,'mousedown',function(e){return e.stopPropagation()});i.event.bind(i.scrollbarYRail,'mousedown',function(e){var positionTop=e.pageY-window.pageYOffset-i.scrollbarYRail.getBoundingClientRect().top;var direction=positionTop>i.scrollbarYTop?1:-1;i.element.scrollTop+=direction*i.containerHeight;updateGeometry(i);e.stopPropagation()});i.event.bind(i.scrollbarX,'mousedown',function(e){return e.stopPropagation()});i.event.bind(i.scrollbarXRail,'mousedown',function(e){var positionLeft=e.pageX-window.pageXOffset-i.scrollbarXRail.getBoundingClientRect().left;var direction=positionLeft>i.scrollbarXLeft?1:-1;i.element.scrollLeft+=direction*i.containerWidth;updateGeometry(i);e.stopPropagation()})};var dragThumb=function(i){bindMouseScrollHandler(i,['containerWidth','contentWidth','pageX','railXWidth','scrollbarX','scrollbarXWidth','scrollLeft','x']);bindMouseScrollHandler(i,['containerHeight','contentHeight','pageY','railYHeight','scrollbarY','scrollbarYHeight','scrollTop','y'])};function bindMouseScrollHandler(i,ref){var containerHeight=ref[0];var contentHeight=ref[1];var pageY=ref[2];var railYHeight=ref[3];var scrollbarY=ref[4];var scrollbarYHeight=ref[5];var scrollTop=ref[6];var y=ref[7];var element=i.element;var startingScrollTop=null;var startingMousePageY=null;var scrollBy=null;function mouseMoveHandler(e){element[scrollTop]=startingScrollTop+scrollBy*(e[pageY]-startingMousePageY);addScrollingClass(i,y);updateGeometry(i);e.stopPropagation();e.preventDefault()}
function mouseUpHandler(){removeScrollingClass(i,y);i.event.unbind(i.ownerDocument,'mousemove',mouseMoveHandler)}
i.event.bind(i[scrollbarY],'mousedown',function(e){startingScrollTop=element[scrollTop];startingMousePageY=e[pageY];scrollBy=(i[contentHeight]-i[containerHeight])/(i[railYHeight]-i[scrollbarYHeight]);i.event.bind(i.ownerDocument,'mousemove',mouseMoveHandler);i.event.once(i.ownerDocument,'mouseup',mouseUpHandler);e.stopPropagation();e.preventDefault()})}
var keyboard=function(i){var element=i.element;var elementHovered=function(){return matches(element,':hover')};var scrollbarFocused=function(){return matches(i.scrollbarX,':focus')||matches(i.scrollbarY,':focus')};function shouldPreventDefault(deltaX,deltaY){var scrollTop=element.scrollTop;if(deltaX===0){if(!i.scrollbarYActive){return!1}
if((scrollTop===0&&deltaY>0)||(scrollTop>=i.contentHeight-i.containerHeight&&deltaY<0)){return!i.settings.wheelPropagation}}
var scrollLeft=element.scrollLeft;if(deltaY===0){if(!i.scrollbarXActive){return!1}
if((scrollLeft===0&&deltaX<0)||(scrollLeft>=i.contentWidth-i.containerWidth&&deltaX>0)){return!i.settings.wheelPropagation}}
return!0}
i.event.bind(i.ownerDocument,'keydown',function(e){if((e.isDefaultPrevented&&e.isDefaultPrevented())||e.defaultPrevented){return}
if(!elementHovered()&&!scrollbarFocused()){return}
var activeElement=document.activeElement?document.activeElement:i.ownerDocument.activeElement;if(activeElement){if(activeElement.tagName==='IFRAME'){activeElement=activeElement.contentDocument.activeElement}else{while(activeElement.shadowRoot){activeElement=activeElement.shadowRoot.activeElement}}
if(isEditable(activeElement)){return}}
var deltaX=0;var deltaY=0;switch(e.which){case 37:if(e.metaKey){deltaX=-i.contentWidth}else if(e.altKey){deltaX=-i.containerWidth}else{deltaX=-30}
break;case 38:if(e.metaKey){deltaY=i.contentHeight}else if(e.altKey){deltaY=i.containerHeight}else{deltaY=30}
break;case 39:if(e.metaKey){deltaX=i.contentWidth}else if(e.altKey){deltaX=i.containerWidth}else{deltaX=30}
break;case 40:if(e.metaKey){deltaY=-i.contentHeight}else if(e.altKey){deltaY=-i.containerHeight}else{deltaY=-30}
break;case 32:if(e.shiftKey){deltaY=i.containerHeight}else{deltaY=-i.containerHeight}
break;case 33:deltaY=i.containerHeight;break;case 34:deltaY=-i.containerHeight;break;case 36:deltaY=i.contentHeight;break;case 35:deltaY=-i.contentHeight;break;default:return}
if(i.settings.suppressScrollX&&deltaX!==0){return}
if(i.settings.suppressScrollY&&deltaY!==0){return}
element.scrollTop-=deltaY;element.scrollLeft+=deltaX;updateGeometry(i);if(shouldPreventDefault(deltaX,deltaY)){e.preventDefault()}})};var wheel=function(i){var element=i.element;function shouldPreventDefault(deltaX,deltaY){var isTop=element.scrollTop===0;var isBottom=element.scrollTop+element.offsetHeight===element.scrollHeight;var isLeft=element.scrollLeft===0;var isRight=element.scrollLeft+element.offsetWidth===element.offsetWidth;var hitsBound;if(Math.abs(deltaY)>Math.abs(deltaX)){hitsBound=isTop||isBottom}else{hitsBound=isLeft||isRight}
return hitsBound?!i.settings.wheelPropagation:!0}
function getDeltaFromEvent(e){var deltaX=e.deltaX;var deltaY=-1*e.deltaY;if(typeof deltaX==='undefined'||typeof deltaY==='undefined'){deltaX=-1*e.wheelDeltaX/6;deltaY=e.wheelDeltaY/6}
if(e.deltaMode&&e.deltaMode===1){deltaX*=10;deltaY*=10}
if(deltaX!==deltaX&&deltaY!==deltaY){deltaX=0;deltaY=e.wheelDelta}
if(e.shiftKey){return[-deltaY,-deltaX]}
return[deltaX,deltaY]}
function shouldBeConsumedByChild(target,deltaX,deltaY){if(!env.isWebKit&&element.querySelector('select:focus')){return!0}
if(!element.contains(target)){return!1}
var cursor=target;while(cursor&&cursor!==element){if(cursor.classList.contains(cls.element.consuming)){return!0}
var style=get(cursor);var overflow=[style.overflow,style.overflowX,style.overflowY].join('');if(overflow.match(/(scroll|auto)/)){var maxScrollTop=cursor.scrollHeight-cursor.clientHeight;if(maxScrollTop>0){if(!(cursor.scrollTop===0&&deltaY>0)&&!(cursor.scrollTop===maxScrollTop&&deltaY<0)){return!0}}
var maxScrollLeft=cursor.scrollLeft-cursor.clientWidth;if(maxScrollLeft>0){if(!(cursor.scrollLeft===0&&deltaX<0)&&!(cursor.scrollLeft===maxScrollLeft&&deltaX>0)){return!0}}}
cursor=cursor.parentNode}
return!1}
function mousewheelHandler(e){var ref=getDeltaFromEvent(e);var deltaX=ref[0];var deltaY=ref[1];if(shouldBeConsumedByChild(e.target,deltaX,deltaY)){return}
var shouldPrevent=!1;if(!i.settings.useBothWheelAxes){element.scrollTop-=deltaY*i.settings.wheelSpeed;element.scrollLeft+=deltaX*i.settings.wheelSpeed}else if(i.scrollbarYActive&&!i.scrollbarXActive){if(deltaY){element.scrollTop-=deltaY*i.settings.wheelSpeed}else{element.scrollTop+=deltaX*i.settings.wheelSpeed}
shouldPrevent=!0}else if(i.scrollbarXActive&&!i.scrollbarYActive){if(deltaX){element.scrollLeft+=deltaX*i.settings.wheelSpeed}else{element.scrollLeft-=deltaY*i.settings.wheelSpeed}
shouldPrevent=!0}
updateGeometry(i);shouldPrevent=shouldPrevent||shouldPreventDefault(deltaX,deltaY);if(shouldPrevent&&!e.ctrlKey){e.stopPropagation();e.preventDefault()}}
if(typeof window.onwheel!=='undefined'){i.event.bind(element,'wheel',mousewheelHandler)}else if(typeof window.onmousewheel!=='undefined'){i.event.bind(element,'mousewheel',mousewheelHandler)}};var touch=function(i){if(!env.supportsTouch&&!env.supportsIePointer){return}
var element=i.element;function shouldPrevent(deltaX,deltaY){var scrollTop=element.scrollTop;var scrollLeft=element.scrollLeft;var magnitudeX=Math.abs(deltaX);var magnitudeY=Math.abs(deltaY);if(magnitudeY>magnitudeX){if((deltaY<0&&scrollTop===i.contentHeight-i.containerHeight)||(deltaY>0&&scrollTop===0)){return window.scrollY===0&&deltaY>0&&env.isChrome}}else if(magnitudeX>magnitudeY){if((deltaX<0&&scrollLeft===i.contentWidth-i.containerWidth)||(deltaX>0&&scrollLeft===0)){return!0}}
return!0}
function applyTouchMove(differenceX,differenceY){element.scrollTop-=differenceY;element.scrollLeft-=differenceX;updateGeometry(i)}
var startOffset={};var startTime=0;var speed={};var easingLoop=null;function getTouch(e){if(e.targetTouches){return e.targetTouches[0]}else{return e}}
function shouldHandle(e){if(e.pointerType&&e.pointerType==='pen'&&e.buttons===0){return!1}
if(e.targetTouches&&e.targetTouches.length===1){return!0}
if(e.pointerType&&e.pointerType!=='mouse'&&e.pointerType!==e.MSPOINTER_TYPE_MOUSE){return!0}
return!1}
function touchStart(e){if(!shouldHandle(e)){return}
var touch=getTouch(e);startOffset.pageX=touch.pageX;startOffset.pageY=touch.pageY;startTime=new Date().getTime();if(easingLoop!==null){clearInterval(easingLoop)}}
function shouldBeConsumedByChild(target,deltaX,deltaY){if(!element.contains(target)){return!1}
var cursor=target;while(cursor&&cursor!==element){if(cursor.classList.contains(cls.element.consuming)){return!0}
var style=get(cursor);var overflow=[style.overflow,style.overflowX,style.overflowY].join('');if(overflow.match(/(scroll|auto)/)){var maxScrollTop=cursor.scrollHeight-cursor.clientHeight;if(maxScrollTop>0){if(!(cursor.scrollTop===0&&deltaY>0)&&!(cursor.scrollTop===maxScrollTop&&deltaY<0)){return!0}}
var maxScrollLeft=cursor.scrollLeft-cursor.clientWidth;if(maxScrollLeft>0){if(!(cursor.scrollLeft===0&&deltaX<0)&&!(cursor.scrollLeft===maxScrollLeft&&deltaX>0)){return!0}}}
cursor=cursor.parentNode}
return!1}
function touchMove(e){if(shouldHandle(e)){var touch=getTouch(e);var currentOffset={pageX:touch.pageX,pageY:touch.pageY};var differenceX=currentOffset.pageX-startOffset.pageX;var differenceY=currentOffset.pageY-startOffset.pageY;if(shouldBeConsumedByChild(e.target,differenceX,differenceY)){return}
applyTouchMove(differenceX,differenceY);startOffset=currentOffset;var currentTime=new Date().getTime();var timeGap=currentTime-startTime;if(timeGap>0){speed.x=differenceX/timeGap;speed.y=differenceY/timeGap;startTime=currentTime}
if(shouldPrevent(differenceX,differenceY)){e.preventDefault()}}}
function touchEnd(){if(i.settings.swipeEasing){clearInterval(easingLoop);easingLoop=setInterval(function(){if(i.isInitialized){clearInterval(easingLoop);return}
if(!speed.x&&!speed.y){clearInterval(easingLoop);return}
if(Math.abs(speed.x)<0.01&&Math.abs(speed.y)<0.01){clearInterval(easingLoop);return}
applyTouchMove(speed.x*30,speed.y*30);speed.x*=0.8;speed.y*=0.8},10)}}
if(env.supportsTouch){i.event.bind(element,'touchstart',touchStart);i.event.bind(element,'touchmove',touchMove);i.event.bind(element,'touchend',touchEnd)}else if(env.supportsIePointer){if(window.PointerEvent){i.event.bind(element,'pointerdown',touchStart);i.event.bind(element,'pointermove',touchMove);i.event.bind(element,'pointerup',touchEnd)}else if(window.MSPointerEvent){i.event.bind(element,'MSPointerDown',touchStart);i.event.bind(element,'MSPointerMove',touchMove);i.event.bind(element,'MSPointerUp',touchEnd)}}};var defaultSettings=function(){return({handlers:['click-rail','drag-thumb','keyboard','wheel','touch'],maxScrollbarLength:null,minScrollbarLength:null,scrollingThreshold:1000,scrollXMarginOffset:0,scrollYMarginOffset:0,suppressScrollX:!1,suppressScrollY:!1,swipeEasing:!0,useBothWheelAxes:!1,wheelPropagation:!1,wheelSpeed:1,})};var handlers={'click-rail':clickRail,'drag-thumb':dragThumb,keyboard:keyboard,wheel:wheel,touch:touch,};var PerfectScrollbar=function PerfectScrollbar(element,userSettings){var this$1=this;if(userSettings===void 0)userSettings={};if(typeof element==='string'){element=document.querySelector(element)}
if(!element||!element.nodeName){throw new Error('no element is specified to initialize PerfectScrollbar')}
this.element=element;element.classList.add(cls.main);this.settings=defaultSettings();for(var key in userSettings){this$1.settings[key]=userSettings[key]}
this.containerWidth=null;this.containerHeight=null;this.contentWidth=null;this.contentHeight=null;var focus=function(){return element.classList.add(cls.state.focus)};var blur=function(){return element.classList.remove(cls.state.focus)};this.isRtl=get(element).direction==='rtl';this.isNegativeScroll=(function(){var originalScrollLeft=element.scrollLeft;var result=null;element.scrollLeft=-1;result=element.scrollLeft<0;element.scrollLeft=originalScrollLeft;return result})();this.negativeScrollAdjustment=this.isNegativeScroll?element.scrollWidth-element.clientWidth:0;this.event=new EventManager();this.ownerDocument=element.ownerDocument||document;this.scrollbarXRail=div(cls.element.rail('x'));element.appendChild(this.scrollbarXRail);this.scrollbarX=div(cls.element.thumb('x'));this.scrollbarXRail.appendChild(this.scrollbarX);this.scrollbarX.setAttribute('tabindex',0);this.event.bind(this.scrollbarX,'focus',focus);this.event.bind(this.scrollbarX,'blur',blur);this.scrollbarXActive=null;this.scrollbarXWidth=null;this.scrollbarXLeft=null;var railXStyle=get(this.scrollbarXRail);this.scrollbarXBottom=parseInt(railXStyle.bottom,10);if(isNaN(this.scrollbarXBottom)){this.isScrollbarXUsingBottom=!1;this.scrollbarXTop=toInt(railXStyle.top)}else{this.isScrollbarXUsingBottom=!0}
this.railBorderXWidth=toInt(railXStyle.borderLeftWidth)+toInt(railXStyle.borderRightWidth);set(this.scrollbarXRail,{display:'block'});this.railXMarginWidth=toInt(railXStyle.marginLeft)+toInt(railXStyle.marginRight);set(this.scrollbarXRail,{display:''});this.railXWidth=null;this.railXRatio=null;this.scrollbarYRail=div(cls.element.rail('y'));element.appendChild(this.scrollbarYRail);this.scrollbarY=div(cls.element.thumb('y'));this.scrollbarYRail.appendChild(this.scrollbarY);this.scrollbarY.setAttribute('tabindex',0);this.event.bind(this.scrollbarY,'focus',focus);this.event.bind(this.scrollbarY,'blur',blur);this.scrollbarYActive=null;this.scrollbarYHeight=null;this.scrollbarYTop=null;var railYStyle=get(this.scrollbarYRail);this.scrollbarYRight=parseInt(railYStyle.right,10);if(isNaN(this.scrollbarYRight)){this.isScrollbarYUsingRight=!1;this.scrollbarYLeft=toInt(railYStyle.left)}else{this.isScrollbarYUsingRight=!0}
this.scrollbarYOuterWidth=this.isRtl?outerWidth(this.scrollbarY):null;this.railBorderYWidth=toInt(railYStyle.borderTopWidth)+toInt(railYStyle.borderBottomWidth);set(this.scrollbarYRail,{display:'block'});this.railYMarginHeight=toInt(railYStyle.marginTop)+toInt(railYStyle.marginBottom);set(this.scrollbarYRail,{display:''});this.railYHeight=null;this.railYRatio=null;this.reach={x:element.scrollLeft<=0?'start':element.scrollLeft>=this.contentWidth-this.containerWidth?'end':null,y:element.scrollTop<=0?'start':element.scrollTop>=this.contentHeight-this.containerHeight?'end':null,};this.isAlive=!0;this.settings.handlers.forEach(function(handlerName){return handlers[handlerName](this$1)});this.lastScrollTop=element.scrollTop;this.lastScrollLeft=element.scrollLeft;this.event.bind(this.element,'scroll',function(e){return this$1.onScroll(e)});updateGeometry(this)};PerfectScrollbar.prototype.update=function update(){if(!this.isAlive){return}
this.negativeScrollAdjustment=this.isNegativeScroll?this.element.scrollWidth-this.element.clientWidth:0;set(this.scrollbarXRail,{display:'block'});set(this.scrollbarYRail,{display:'block'});this.railXMarginWidth=toInt(get(this.scrollbarXRail).marginLeft)+toInt(get(this.scrollbarXRail).marginRight);this.railYMarginHeight=toInt(get(this.scrollbarYRail).marginTop)+toInt(get(this.scrollbarYRail).marginBottom);set(this.scrollbarXRail,{display:'none'});set(this.scrollbarYRail,{display:'none'});updateGeometry(this);processScrollDiff(this,'top',0,!1,!0);processScrollDiff(this,'left',0,!1,!0);set(this.scrollbarXRail,{display:''});set(this.scrollbarYRail,{display:''})};PerfectScrollbar.prototype.onScroll=function onScroll(e){if(!this.isAlive){return}
updateGeometry(this);processScrollDiff(this,'top',this.element.scrollTop-this.lastScrollTop);processScrollDiff(this,'left',this.element.scrollLeft-this.lastScrollLeft);this.lastScrollTop=this.element.scrollTop;this.lastScrollLeft=this.element.scrollLeft};PerfectScrollbar.prototype.destroy=function destroy(){if(!this.isAlive){return}
this.event.unbindAll();remove(this.scrollbarX);remove(this.scrollbarY);remove(this.scrollbarXRail);remove(this.scrollbarYRail);this.removePsClasses();this.element=null;this.scrollbarX=null;this.scrollbarY=null;this.scrollbarXRail=null;this.scrollbarYRail=null;this.isAlive=!1};PerfectScrollbar.prototype.removePsClasses=function removePsClasses(){this.element.className=this.element.className.split(' ').filter(function(name){return!name.match(/^ps([-_].+|)$/)}).join(' ')};return PerfectScrollbar})))