(function($){"use strict";$us.PageScroller=function(container,options){this.init(container,options)};$us.PageScroller.prototype={init:function(container,options){var defaults={coolDown:100,animationDuration:1000,animationEasing:'easeInOutExpo'},scrollTop=parseInt($us.$window.scrollTop());this.options=$.extend({},defaults,options);this.$container=$(container);this._canvasTopOffset=$us.$canvas.offset().top;this.activeSection=0;this.sections=[];this.dots=[];this.scrolls=[];this.usingDots=!1;this.isTouch=(('ontouchstart' in window)||(navigator.msMaxTouchPoints>0)||(navigator.maxTouchPoints));this.disableWidth=(this.$container.data('disablewidth')!==undefined)?this.$container.data('disablewidth'):768;if(this.$container.data('speed')!==undefined){this.options.animationDuration=this.$container.data('speed')}
if($us.canvas.headerPos=='static'&&$us.header.orientation=='hor'){$us.canvas.$header.each(function(){var $section=$us.canvas.$header,section={$section:$section};this._countPosition(section);this.sections.push(section)}.bind(this))}
$us.$canvas.find('.l-section').each(function(key,elm){var $section=$(elm),section={$section:$section};this._countPosition(section);this.sections.push(section)}.bind(this));this.$dotsContainer=this.$container.find('.w-scroller-dots');if(this.$dotsContainer.length){this.usingDots=!0;this.$firstDot=this.$dotsContainer.find('.w-scroller-dot').first();for(var i=1;i<this.sections.length;i ++){this.$firstDot.clone().appendTo(this.$dotsContainer)}
this.$dots=this.$dotsContainer.find('.w-scroller-dot');this.$dots.each(function(key,elm){var $dot=$(elm);this.dots[key]=$dot;$dot.click(function(){this.scrollTo(key);this.$dots.removeClass('active');$dot.addClass('active')}.bind(this))}.bind(this));this.dots[this.activeSection].addClass('active');this.$dotsContainer.addClass('show')}
$('.l-footer > .l-section').each(function(key,elm){var $section=$(elm),section={$section:$section};this._countPosition(section);this.sections.push(section)}.bind(this));this._attachEvents();this._events={scroll:this.scroll.bind(this),resize:this.resize.bind(this)};$us.$canvas.on('contentChange',this._events.resize);$us.$window.on('resize load',this._events.resize);$us.$window.on('resize load scroll',this._events.scroll);setTimeout(this._events.resize,100)},getScrollSpeed:function(number){var sum=0;var lastElements=this.scrolls.slice(Math.max(this.scrolls.length-number,1));for(var i=0;i<lastElements.length;i ++){sum=sum+lastElements[i]}
return Math.ceil(sum/number)},_attachEvents:function(){$us.$document.off('mousewheel DOMMouseScroll MozMousePixelScroll');$us.$canvas.off('touchstart touchmove');if($us.$window.width()>this.disableWidth&&$us.mobileNavOpened<=0&&(!$us.$html.hasClass('cloverlay_fixed'))){$us.$document.on('mousewheel DOMMouseScroll MozMousePixelScroll',function(e){e.preventDefault();var currentTime=new Date().getTime(),target=this.activeSection,direction=e.originalEvent.wheelDelta||-e.originalEvent.detail,speedEnd,speedMiddle,isAccelerating;if(this.scrolls.length>149){this.scrolls.shift()}
this.scrolls.push(Math.abs(direction));if((currentTime-this.previousMouseWheelTime)>this.options.coolDown){this.scrolls=[]}
this.previousMouseWheelTime=currentTime;speedEnd=this.getScrollSpeed(10);speedMiddle=this.getScrollSpeed(70);isAccelerating=speedEnd>=speedMiddle;if(isAccelerating){if(direction<0){target ++}else if(direction>0){target --}
if(this.sections[target]==undefined){return}
this.scrollTo(target);this.lastScroll=currentTime}}.bind(this));if($.isMobile||this.isTouch){$us.$canvas.on('touchstart',function(event){var e=event.originalEvent;if(typeof e.pointerType==='undefined'||e.pointerType!='mouse'){this.touchStartY=e.touches[0].pageY}}.bind(this));$us.$canvas.on('touchmove',function(event){event.preventDefault();var currentTime=new Date().getTime(),e=event.originalEvent,target=this.activeSection;this.touchEndY=e.touches[0].pageY;if(Math.abs(this.touchStartY-this.touchEndY)>($us.$window.height()/50)){if(this.touchStartY>this.touchEndY){target ++}else if(this.touchEndY>this.touchStartY){target --}
if(this.sections[target]==undefined){return}
this.scrollTo(target);this.lastScroll=currentTime}}.bind(this))}}},_countPosition:function(section){section.top=section.$section.offset().top-this._canvasTopOffset;if($us.header.headerTop===undefined||($us.header.headerTop>0&&section.top>$us.header.headerTop)){section.top=section.top-$us.header.scrolledOccupiedHeight}
section.bottom=section.top+section.$section.outerHeight(!1)},_countAllPositions:function(){for(var section in this.sections){if(this.sections[section].$section.length){this._countPosition(this.sections[section])}}},scrollTo:function(target){var currentTime=new Date().getTime();if(this.previousScrollTime!==undefined&&(currentTime-this.previousScrollTime<this.options.animationDuration)){return}
this.previousScrollTime=currentTime;if(this.usingDots){this.$dots.removeClass('active');if(this.dots[target]!==undefined){this.dots[target].addClass('active')}}
$us.$htmlBody.stop(!0,!1).animate({scrollTop:this.sections[target].top+'px'},{duration:this.options.animationDuration,easing:this.options.animationEasing,always:function(){this.activeSection=target}.bind(this)})},resize:function(){this._attachEvents();setTimeout(function(){this._countAllPositions()}.bind(this),150);this._countAllPositions()},scroll:function(){var currentTime=new Date().getTime();if((currentTime-this.lastScroll)<(this.options.coolDown+this.options.animationDuration)){return}
if(this.scrollTimeout){clearTimeout(this.scrollTimeout)}
this.scrollTimeout=setTimeout(function(){var scrollTop=parseInt($us.$window.scrollTop());for(var section in this.sections){if(scrollTop>=(this.sections[section].top-1)&&scrollTop<(this.sections[section].bottom-1)){this.activeSection=section;break}}
if(this.usingDots){this.$dots.removeClass('active');if(this.dots[this.activeSection]!==undefined){this.dots[this.activeSection].addClass('active')}}}.bind(this),500)}};$.fn.usPageScroller=function(options){return this.each(function(){$(this).data('usPageScroller',new $us.PageScroller(this,options))})};$(function(){$('.w-scroller').usPageScroller()})})(jQuery)