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this.indicatorStyle.width=this.indicatorWidth+"px";this.x=i,this.scroller.options.useTransform?this.indicatorStyle[z.transform]="translateX("+i+"px)"+this.scroller.translateZ:this.indicatorStyle.left=i+"px"}},E.prototype.transitionTime=function(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0;this.indicatorStyle[z.transitionDuration]=t+"ms"},E.prototype.transitionTimingFunction=function(t){this.indicatorStyle[z.transitionTimingFunction]=t},E.prototype.destroy=function(){this._removeDOMEvents(),this.wrapper.parentNode.removeChild(this.wrapper)},E.prototype._start=function(t){var e=t.touches?t.touches[0]:t;t.preventDefault(),t.stopPropagation(),this.transitionTime(),this.initiated=!0,this.moved=!1,this.lastPointX=e.pageX,this.lastPointY=e.pageY,this.startTime=i(),this._handleMoveEvents(c),this.scroller.trigger("beforeScrollStart")},E.prototype._move=function(t){var e=t.touches?t.touches[0]:t;t.preventDefault(),t.stopPropagation(),this.moved||this.scroller.trigger("scrollStart"),this.moved=!0;var n=e.pageX-this.lastPointX;this.lastPointX=e.pageX;var i=e.pageY-this.lastPointY;this.lastPointY=e.pageY;var r=this.x+n,o=this.y+i;this._pos(r,o)},E.prototype._end=function(t){if(this.initiated){this.initiated=!1,t.preventDefault(),t.stopPropagation(),this._handleMoveEvents(l);var e=this.scroller.options.snap;if(e){var n=e.speed,i=e.easing,r=void 0===i?W.bounce:i,o=this.scroller._nearestSnap(this.scroller.x,this.scroller.y),s=n||Math.max(Math.max(Math.min(Math.abs(this.scroller.x-o.x),1e3),Math.min(Math.abs(this.scroller.y-o.y),1e3)),300);this.scroller.x===o.x&&this.scroller.y===o.y||(this.scroller.directionX=0,this.scroller.directionY=0,this.scroller.currentPage=o,this.scroller.scrollTo(o.x,o.y,s,r))}this.moved&&this.scroller.trigger("scrollEnd",{x:this.scroller.x,y:this.scroller.y})}},E.prototype._pos=function(t,e){t<0?t=0:t>this.maxPosX&&(t=this.maxPosX),e<0?e=0:e>this.maxPosY&&(e=this.maxPosY),t=Math.round(t/this.sizeRatioX),e=Math.round(e/this.sizeRatioY),this.scroller.scrollTo(t,e),this.scroller.trigger("scroll",{x:this.scroller.x,y:this.scroller.y})},E.prototype._shouldShow=function(){return"vertical"===this.direction&&this.scroller.hasVerticalScroll||"horizontal"===this.direction&&this.scroller.hasHorizontalScroll?(this.wrapper.style.display="",!0):(this.wrapper.style.display="none",!1)},E.prototype._calculate=function(){if("vertical"===this.direction){var t=this.wrapper.clientHeight;this.indicatorHeight=Math.max(Math.round(t*t/(this.scroller.scrollerHeight||t||1)),8),this.indicatorStyle.height=this.indicatorHeight+"px",this.maxPosY=t-this.indicatorHeight,this.sizeRatioY=this.maxPosY/this.scroller.maxScrollY}else{var e=this.wrapper.clientWidth;this.indicatorWidth=Math.max(Math.round(e*e/(this.scroller.scrollerWidth||e||1)),8),this.indicatorStyle.width=this.indicatorWidth+"px",this.maxPosX=e-this.indicatorWidth,this.sizeRatioX=this.maxPosX/this.scroller.maxScrollX}},E.prototype._addDOMEvents=function(){var t=c;this._handleDOMEvents(t)},E.prototype._removeDOMEvents=function(){var t=l;this._handleDOMEvents(t),this._handleMoveEvents(t)},E.prototype._handleMoveEvents=function(t){this.scroller.options.disableTouch||t(window,"touchmove",this),this.scroller.options.disableMouse||t(window,"mousemove",this)},E.prototype._handleDOMEvents=function(t){this.scroller.options.disableTouch||(t(this.indicator,"touchstart",this),t(window,"touchend",this)),this.scroller.options.disableMouse||(t(this.indicator,"mousedown",this),t(window,"mouseup",this))};var et=2e3;O.prototype.onScroll=function(){var t=-this.scroller.y,e=t-this.anchorScrollTop;this.anchorItem=0===t?{index:0,offset:0}:this._calculateAnchoredItem(this.anchorItem,e),this.anchorScrollTop=t;var n=this._calculateAnchoredItem(this.anchorItem,this.wrapperEl.offsetHeight),i=this.anchorItem.index,r=n.index;e<0?(i-=30,r+=10):(i-=10,r+=30),this.fill(i,r),this.maybeRequestContent()},O.prototype.onResize=function(){var t=this.options.createTombstone();t.style.position="absolute",this.scrollerEl.appendChild(t),t.style.display="",this.tombstoneHeight=t.offsetHeight,this.tombstoneWidth=t.offsetWidth,this.scrollerEl.removeChild(t);for(var e=0;ethis.firstAttachedItem;)e-=this.items[n-1].height||this.tombstoneHeight,n--;return e},O.prototype._setupAnimations=function(t,e){var n=this;for(var i in t){var r=t[i];this.items[i].node.style.transform="translateY("+(this.anchorScrollTop+r[1])+"px) scale("+this.tombstoneWidth/this.items[i].width+", "+this.tombstoneHeight/this.items[i].height+")",this.items[i].node.offsetTop,r[0].offsetTop,this.items[i].node.style.transition="transform 200ms"}for(var o=this.firstAttachedItem;o0&&this.items[n-1].height;)e+=this.items[n-1].height,n--;i=Math.max(-n,Math.ceil(Math.min(e,0)/this.tombstoneHeight))}else{for(;e>0&&n=this.items.length||!this.items[n].height)&&(i=Math.floor(Math.max(e,0)/this.tombstoneHeight))}return n+=i,e-=i*this.tombstoneHeight,{index:n,offset:e}},function(t){t.prototype._init=function(t,e){this._handleOptions(e),this._events={},this.x=0,this.y=0,this.directionX=0,this.directionY=0,this.setScale(1),this._addDOMEvents(),this._initExtFeatures(),this._watchTransition(),this.options.observeDOM&&this._initDOMObserver(),this.options.autoBlur&&this._handleAutoBlur(),this.refresh(),this.options.snap||this.scrollTo(this.options.startX,this.options.startY),this.enable()},t.prototype.setScale=function(t){this.lastScale=o(this.scale)?t:this.scale,this.scale=t},t.prototype._handleOptions=function(t){this.options=r({},U,t),this.translateZ=this.options.HWCompositing&&N?" translateZ(0)":"",this.options.useTransition=this.options.useTransition&&B,this.options.useTransform=this.options.useTransform&&Y,this.options.preventDefault=!this.options.eventPassthrough&&this.options.preventDefault,this.options.scrollX="horizontal"!==this.options.eventPassthrough&&this.options.scrollX,this.options.scrollY="vertical"!==this.options.eventPassthrough&&this.options.scrollY,this.options.freeScroll=this.options.freeScroll&&!this.options.eventPassthrough,this.options.directionLockThreshold=this.options.eventPassthrough?0:this.options.directionLockThreshold,!0===this.options.tap&&(this.options.tap="tap")},t.prototype._addDOMEvents=function(){var t=c;this._handleDOMEvents(t)},t.prototype._removeDOMEvents=function(){var t=l;this._handleDOMEvents(t)},t.prototype._handleDOMEvents=function(t){var e=this.options.bindToWrapper?this.wrapper:window;t(window,"orientationchange",this),t(window,"resize",this),this.options.click&&t(this.wrapper,"click",this,!0),this.options.disableMouse||(t(this.wrapper,"mousedown",this),t(e,"mousemove",this),t(e,"mousecancel",this),t(e,"mouseup",this)),X&&!this.options.disableTouch&&(t(this.wrapper,"touchstart",this),t(e,"touchmove",this),t(e,"touchcancel",this),t(e,"touchend",this)),t(this.scroller,z.transitionEnd,this)},t.prototype._initExtFeatures=function(){this.options.snap&&this._initSnap(),this.options.scrollbar&&this._initScrollbar(),this.options.pullUpLoad&&this._initPullUp(),this.options.pullDownRefresh&&this._initPullDown(),this.options.wheel&&this._initWheel(),this.options.mouseWheel&&this._initMouseWheel(),this.options.zoom&&this._initZoom(),this.options.infinity&&this._initInfinite()},t.prototype._watchTransition=function(){if("function"==typeof Object.defineProperty){var t=this,e=!1,n=this.useTransition?"isInTransition":"isAnimating";Object.defineProperty(this,n,{get:function(){return e},set:function(n){e=n;for(var i=t.scroller.children.length?t.scroller.children:[t.scroller],r=e&&!t.pulling?"none":"auto",o=0;othis.minScrollX||this.xthis.minScrollY||this.y1&&this._zoomStart(t);break;case"touchmove":case"mousemove":this.options.zoom&&t.touches&&t.touches.length>1?this._zoom(t):this._move(t);break;case"touchend":case"mouseup":case"touchcancel":case"mousecancel":this.scaled?this._zoomEnd(t):this._end(t);break;case"orientationchange":case"resize":this._resize();break;case"transitionend":case"webkitTransitionEnd":case"oTransitionEnd":case"MSTransitionEnd":this._transitionEnd(t);break;case"click":this.enabled&&!t._constructed&&(p(t.target,this.options.preventDefaultException)||(t.preventDefault(),t.stopPropagation()));break;case"wheel":case"DOMMouseScroll":case"mousewheel":this._onMouseWheel(t)}},t.prototype.refresh=function(){var t="static"===window.getComputedStyle(this.wrapper,null).position,e=f(this.wrapper);this.wrapperWidth=e.width,this.wrapperHeight=e.height;var n=f(this.scroller);this.scrollerWidth=Math.round(n.width*this.scale),this.scrollerHeight=Math.round(n.height*this.scale),this.relativeX=n.left,this.relativeY=n.top,t&&(this.relativeX-=e.left,this.relativeY-=e.top),this.minScrollX=0,this.minScrollY=0;var i=this.options.wheel;i?(this.items=this.scroller.children,this.options.itemHeight=this.itemHeight=this.items.length?this.scrollerHeight/this.items.length:0,void 0===this.selectedIndex&&(this.selectedIndex=i.selectedIndex||0),this.options.startY=-this.selectedIndex*this.itemHeight,this.maxScrollX=0,this.maxScrollY=-this.itemHeight*(this.items.length-1)):(this.maxScrollX=this.wrapperWidth-this.scrollerWidth,this.options.infinity||(this.maxScrollY=this.wrapperHeight-this.scrollerHeight),this.maxScrollX<0?(this.maxScrollX-=this.relativeX,this.minScrollX=-this.relativeX):this.scale>1&&(this.maxScrollX=this.maxScrollX/2-this.relativeX,this.minScrollX=this.maxScrollX),this.maxScrollY<0?(this.maxScrollY-=this.relativeY,this.minScrollY=-this.relativeY):this.scale>1&&(this.maxScrollY=this.maxScrollY/2-this.relativeY,this.minScrollY=this.maxScrollY)),this.hasHorizontalScroll=this.options.scrollX&&this.maxScrollXthis.options.momentumLimitTime&&ss+this.options.directionLockThreshold?this.directionLocked="h":s>=o+this.options.directionLockThreshold?this.directionLocked="v":this.directionLocked="n"),"h"===this.directionLocked){if("vertical"===this.options.eventPassthrough)t.preventDefault();else if("horizontal"===this.options.eventPassthrough)return void(this.initiated=!1);r=0}else if("v"===this.directionLocked){if("horizontal"===this.options.eventPassthrough)t.preventDefault();else if("vertical"===this.options.eventPassthrough)return void(this.initiated=!1);n=0}n=this.hasHorizontalScroll?n:0,r=this.hasVerticalScroll?r:0,this.movingDirectionX=n>0?J:n<0?G:0,this.movingDirectionY=r>0?K:r<0?Q:0;var c=this.x+n,l=this.y+r,u=!1,h=!1,f=!1,p=!1,d=this.options.bounce;!1!==d&&(u=void 0===d.top||d.top,h=void 0===d.bottom||d.bottom,f=void 0===d.left||d.left,p=void 0===d.right||d.right),(c>this.minScrollX||cthis.minScrollX&&f||cthis.minScrollX?this.minScrollX:this.maxScrollX),(l>this.minScrollY||lthis.minScrollY&&u||lthis.minScrollY?this.minScrollY:this.maxScrollY),this.moved||(this.moved=!0,this.trigger("scrollStart")),this._translate(c,l),a-this.startTime>this.options.momentumLimitTime&&(this.startTime=a,this.startX=this.x,this.startY=this.y,this.options.probeType===Z&&this.trigger("scroll",{x:this.x,y:this.y})),this.options.probeType>Z&&this.trigger("scroll",{x:this.x,y:this.y});var v=document.documentElement.scrollLeft||window.pageXOffset||document.body.scrollLeft,m=document.documentElement.scrollTop||window.pageYOffset||document.body.scrollTop,g=this.pointX-v,y=this.pointY-m;(g>document.documentElement.clientWidth-this.options.momentumLimitDistance||gdocument.documentElement.clientHeight-this.options.momentumLimitDistance)&&this._end(t)}}},t.prototype._end=function(t){if(this.enabled&&!this.destroyed&&F[t.type]===this.initiated){this.initiated=!1,this.options.preventDefault&&!p(t.target,this.options.preventDefaultException)&&t.preventDefault(),this.options.stopPropagation&&t.stopPropagation(),this.trigger("touchEnd",{x:this.x,y:this.y}),this.isInTransition=!1;var e=Math.round(this.x),n=Math.round(this.y),r=e-this.absStartX,o=n-this.absStartY;if(this.directionX=r>0?J:r<0?G:0,this.directionY=o>0?K:o<0?Q:0,!this.options.pullDownRefresh||!this._checkPullDown()){if(this._checkClick(t))return void this.trigger("scrollCancel");if(!this.resetPosition(this.options.bounceTime,W.bounce)){this._translate(e,n),this.endTime=i();var s=this.endTime-this.startTime,a=Math.abs(e-this.startX),c=Math.abs(n-this.startY);if(this._events.flick&&sthis.options.momentumLimitDistance||a>this.options.momentumLimitDistance)){var u=!1,h=!1,f=!1,d=!1,v=this.options.bounce;!1!==v&&(u=void 0===v.top||v.top,h=void 0===v.bottom||v.bottom,f=void 0===v.left||v.left,d=void 0===v.right||v.right);var m=this.directionX===J&&f||this.directionX===G&&d?this.wrapperWidth:0,g=this.directionY===K&&u||this.directionY===Q&&h?this.wrapperHeight:0,y=this.hasHorizontalScroll?_(this.x,this.startX,s,this.maxScrollX,this.minScrollX,m,this.options):{destination:e,duration:0},b=this.hasVerticalScroll?_(this.y,this.startY,s,this.maxScrollY,this.minScrollY,g,this.options):{destination:n,duration:0};e=y.destination,n=b.destination,l=Math.max(y.duration,b.duration),this.isInTransition=!0}else this.options.wheel&&(n=Math.round(n/this.itemHeight)*this.itemHeight,l=this.options.wheel.adjustTime||400);var w=W.swipe;if(this.options.snap){var x=this._nearestSnap(e,n);this.currentPage=x,l=this.options.snapSpeed||Math.max(Math.max(Math.min(Math.abs(e-x.x),1e3),Math.min(Math.abs(n-x.y),1e3)),300),e=x.x,n=x.y,this.directionX=0,this.directionY=0,w=this.options.snap.easing||W.bounce}if(e!==this.x||n!==this.y)return(e>this.minScrollX||ethis.minScrollY||n0&&void 0!==arguments[0]?arguments[0]:0;if(this.scrollerStyle[z.transitionDuration]=t+"ms",this.options.wheel)for(var e=0;e=f)return s.isAnimating=!1,s._translate(t,e,u),s.trigger("scroll",{x:s.x,y:s.y}),void(s.pulling||s.resetPosition(s.options.bounceTime)||s.trigger("scrollEnd",{x:s.x,y:s.y}));p=(p-h)/n;var d=r(p),v=(t-a)*d+a,m=(e-c)*d+c,g=(u-l)*d+l;s._translate(v,m,g),s.isAnimating&&(s.animateTimer=q(o)),s.options.probeType===tt&&s.trigger("scroll",{x:s.x,y:s.y})}var s=this,a=this.x,c=this.y,l=this.lastScale,u=this.scale,h=i(),f=h+n;this.isAnimating=!0,V(this.animateTimer),o()},t.prototype.scrollBy=function(t,e){var n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:0,i=arguments.length>3&&void 0!==arguments[3]?arguments[3]:W.bounce;t=this.x+t,e=this.y+e,this.scrollTo(t,e,n,i)},t.prototype.scrollTo=function(t,e){var n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:0,i=arguments.length>3&&void 0!==arguments[3]?arguments[3]:W.bounce;this.isInTransition=this.options.useTransition&&n>0&&(t!==this.x||e!==this.y),!n||this.options.useTransition?(this._transitionTimingFunction(i.style),this._transitionTime(n),this._translate(t,e),n&&this.options.probeType===tt&&this._startProbe(),n||t===this.x&&e===this.y||(this.trigger("scroll",{x:t,y:e}),this._reflow=document.body.offsetHeight,this.resetPosition(this.options.bounceTime,W.bounce)||this.trigger("scrollEnd",{x:t,y:e})),this.options.wheel&&(e>this.minScrollY?this.selectedIndex=0:ethis.minScrollX?this.minScrollX:o.leftthis.minScrollY?this.minScrollY:o.top0&&void 0!==arguments[0]?arguments[0]:0,e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:W.bounce,n=this.x,i=Math.round(n);!this.hasHorizontalScroll||i>this.minScrollX?n=this.minScrollX:ithis.minScrollY?r=this.minScrollY:o2&&void 0!==arguments[2]?arguments[2]:this;this._events[t]||(this._events[t]=[]),this._events[t].push([e,n])},t.prototype.once=function(t,e){function n(){this.off(t,n),e.apply(i,arguments)}var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:this;n.fn=e,this.on(t,n)},t.prototype.off=function(t,e){var n=this._events[t];if(n)for(var i=n.length;i--;)(n[i][0]===e||n[i][0]&&n[i][0].fn===e)&&(n[i][0]=void 0)},t.prototype.trigger=function(t){var e=this._events[t];if(e)for(var n=e.length,i=[].concat(A(e)),r=0;r1?(g(n[n.length-1].cloneNode(!0),this.scroller),this.scroller.appendChild(n[1].cloneNode(!0))):e.loop=!1}var i=e.el;"string"==typeof i&&(i=this.scroller.querySelectorAll(i)),this.on("refresh",function(){if(t.pages=[],t.wrapperWidth&&t.wrapperHeight&&t.scrollerWidth&&t.scrollerHeight){var n=e.stepX||t.wrapperWidth,r=e.stepY||t.wrapperHeight,o=0,s=void 0,a=void 0,c=void 0,l=0,u=void 0,h=0,p=void 0,d=void 0;if(i)for(u=i.length,p=-1;lt.maxScrollX&&h++;else for(a=Math.round(n/2),c=Math.round(r/2);o>-t.scrollerWidth;){for(t.pages[l]=[],u=0,s=0;s>-t.scrollerHeight;)t.pages[l][u]={x:Math.max(o,t.maxScrollX),y:Math.max(s,t.maxScrollY),width:n,height:r,cx:o-a,cy:s-c},s-=r,u++;o-=n,l++}t._checkSnapLoop();var v=e._loopX?1:0,m=e._loopY?1:0;t._goToPage(t.currentPage.pageX||v,t.currentPage.pageY||m,0);var g=e.threshold;g%1==0?(t.snapThresholdX=g,t.snapThresholdY=g):(t.snapThresholdX=Math.round(t.pages[t.currentPage.pageX][t.currentPage.pageY].width*g),t.snapThresholdY=Math.round(t.pages[t.currentPage.pageX][t.currentPage.pageY].height*g))}}),this.on("scrollEnd",function(){e.loop&&(e._loopX?(0===t.currentPage.pageX&&t._goToPage(t.pages.length-2,t.currentPage.pageY,0),t.currentPage.pageX===t.pages.length-1&&t._goToPage(1,t.currentPage.pageY,0)):(0===t.currentPage.pageY&&t._goToPage(t.currentPage.pageX,t.pages[0].length-2,0),t.currentPage.pageY===t.pages[0].length-1&&t._goToPage(t.currentPage.pageX,1,0)))}),!1!==e.listenFlick&&this.on("flick",function(){var n=e.speed||Math.max(Math.max(Math.min(Math.abs(t.x-t.startX),1e3),Math.min(Math.abs(t.y-t.startY),1e3)),300);t._goToPage(t.currentPage.pageX+t.directionX,t.currentPage.pageY+t.directionY,n)}),this.on("destroy",function(){if(e.loop){var n=t.scroller.children;n.length>2&&(b(t.scroller,n[n.length-1]),b(t.scroller,n[0]))}})},t.prototype._checkSnapLoop=function(){var t=this.options.snap;t.loop&&this.pages&&this.pages.length&&(this.pages.length>1&&(t._loopX=!0),this.pages[0]&&this.pages[0].length>1&&(t._loopY=!0),t._loopX&&t._loopY&&x("Loop does not support two direction at the same time."))},t.prototype._nearestSnap=function(t,e){if(!this.pages.length)return{x:0,y:0,pageX:0,pageY:0};var n=0;if(Math.abs(t-this.absStartX)<=this.snapThresholdX&&Math.abs(e-this.absStartY)<=this.snapThresholdY)return this.currentPage;t>this.minScrollX?t=this.minScrollX:tthis.minScrollY?e=this.minScrollY:e=this.pages[n][0].cx){t=this.pages[n][0].x;break}i=this.pages[n].length;for(var r=0;r=this.pages[0][r].cy){e=this.pages[0][r].y;break}return n===this.currentPage.pageX&&(n+=this.directionX,n<0?n=0:n>=this.pages.length&&(n=this.pages.length-1),t=this.pages[n][0].x),r===this.currentPage.pageY&&(r+=this.directionY,r<0?r=0:r>=this.pages[0].length&&(r=this.pages[0].length-1),e=this.pages[0][r].y),{x:t,y:e,pageX:n,pageY:r}},t.prototype._goToPage=function(t){var e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0,n=arguments[2],i=arguments[3],r=this.options.snap;if(r&&this.pages&&this.pages.length&&(i=i||r.easing||W.bounce,t>=this.pages.length?t=this.pages.length-1:t<0&&(t=0),this.pages[t])){e>=this.pages[t].length?e=this.pages[t].length-1:e<0&&(e=0);var o=this.pages[t][e].x,s=this.pages[t][e].y;n=void 0===n?r.speed||Math.max(Math.max(Math.min(Math.abs(o-this.x),1e3),Math.min(Math.abs(s-this.y),1e3)),300):n,this.currentPage={x:o,y:s,pageX:t,pageY:e},this.scrollTo(o,s,n,i)}},t.prototype.goToPage=function(t,e,n,i){var r=this.options.snap;if(r&&this.pages&&this.pages.length){if(r.loop){var o=void 0;r._loopX?(o=this.pages.length-2,t>=o?t=o-1:t<0&&(t=0),t+=1):(o=this.pages[0].length-2,e>=o?e=o-1:e<0&&(e=0),e+=1)}this._goToPage(t,e,n,i)}},t.prototype.next=function(t,e){if(this.options.snap){var n=this.currentPage.pageX,i=this.currentPage.pageY;n++,n>=this.pages.length&&this.hasVerticalScroll&&(n=0,i++),this._goToPage(n,i,t,e)}},t.prototype.prev=function(t,e){if(this.options.snap){var n=this.currentPage.pageX,i=this.currentPage.pageY;n--,n<0&&this.hasVerticalScroll&&(n=0,i--),this._goToPage(n,i,t,e)}},t.prototype.getCurrentPage=function(){var t=this.options.snap;return t?t.loop?t._loopX?r({},this.currentPage,{pageX:this.currentPage.pageX-1}):r({},this.currentPage,{pageY:this.currentPage.pageY-1}):this.currentPage:null}}(C),function(t){t.prototype.wheelTo=function(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0;this.options.wheel&&(this.y=-t*this.itemHeight,this.scrollTo(0,this.y))},t.prototype.getSelectedIndex=function(){return this.options.wheel&&this.selectedIndex},t.prototype._initWheel=function(){var t=this.options.wheel;t.wheelWrapperClass||(t.wheelWrapperClass="wheel-scroll"),t.wheelItemClass||(t.wheelItemClass="wheel-item"),void 0===t.selectedIndex&&(t.selectedIndex=0,x("wheel option selectedIndex is required!"))}}(C),function(t){t.prototype._initScrollbar=function(){var t=this,e=this.options.scrollbar,n=e.fade,i=void 0===n||n,r=e.interactive,o=void 0!==r&&r;this.indicators=[];var s=void 0;this.options.scrollX&&(s={el:T("horizontal"),direction:"horizontal",fade:i,interactive:o},this._insertScrollBar(s.el),this.indicators.push(new E(this,s))),this.options.scrollY&&(s={el:T("vertical"),direction:"vertical",fade:i,interactive:o},this._insertScrollBar(s.el),this.indicators.push(new E(this,s))),this.on("refresh",function(){for(var e=0;e0&&void 0!==arguments[0])||arguments[0];this.options.pullDownRefresh=t,this._initPullDown()},t.prototype.closePullDown=function(){this.options.pullDownRefresh=!1}}(C),function(t){t.prototype._initPullUp=function(){this.options.probeType=tt,this.pullupWatching=!1,this._watchPullUp()},t.prototype._watchPullUp=function(){this.pullupWatching||(this.pullupWatching=!0,this.on("scroll",this._checkToEnd))},t.prototype._checkToEnd=function(t){var e=this,n=this.options.pullUpLoad.threshold,i=void 0===n?0:n;this.movingDirectionY===Q&&t.y<=this.maxScrollY+i&&(this.once("scrollEnd",function(){e.pullupWatching=!1}),this.trigger("pullingUp"),this.off("scroll",this._checkToEnd))},t.prototype.finishPullUp=function(){var t=this;this.pullupWatching?this.once("scrollEnd",function(){t._watchPullUp()}):this._watchPullUp()},t.prototype.openPullUp=function(){var t=!(arguments.length>0&&void 0!==arguments[0])||arguments[0];this.options.pullUpLoad=t,this._initPullUp()},t.prototype.closePullUp=function(){this.options.pullUpLoad=!1,this.pullupWatching&&(this.pullupWatching=!1,this.off("scroll",this._checkToEnd))}}(C),function(t){t.prototype._initMouseWheel=function(){var t=this;this._handleMouseWheelEvent(c),this.on("destroy",function(){clearTimeout(t.mouseWheelTimer),t._handleMouseWheelEvent(l)}),this.firstWheelOpreation=!0},t.prototype._handleMouseWheelEvent=function(t){t(this.wrapper,"wheel",this),t(this.wrapper,"mousewheel",this),t(this.wrapper,"DOMMouseScroll",this)},t.prototype._onMouseWheel=function(t){var e=this;if(this.enabled){t.preventDefault(),this.options.stopPropagation&&t.stopPropagation(),this.firstWheelOpreation&&this.trigger("scrollStart"),this.firstWheelOpreation=!1;var n=this.options.mouseWheel,i=n.speed,r=void 0===i?20:i,o=n.invert,s=void 0!==o&&o,a=n.easeTime,c=void 0===a?300:a;clearTimeout(this.mouseWheelTimer),this.mouseWheelTimer=setTimeout(function(){e.options.snap||c||e.trigger("scrollEnd",{x:e.x,y:e.y}),e.firstWheelOpreation=!0},400);var l=void 0,u=void 0;switch(!0){case"deltaX"in t:1===t.deltaMode?(l=-t.deltaX*r,u=-t.deltaY*r):(l=-t.deltaX,u=-t.deltaY);break;case"wheelDeltaX"in t:l=t.wheelDeltaX/120*r,u=t.wheelDeltaY/120*r;break;case"wheelDelta"in t:l=u=t.wheelDelta/120*r;break;case"detail"in t:l=u=-t.detail/3*r;break;default:return}var h=s?-1:1;l*=h,u*=h,this.hasVerticalScroll||(l=u,u=0);var f=void 0,p=void 0;if(this.options.snap)return f=this.currentPage.pageX,p=this.currentPage.pageY,l>0?f--:l<0&&f++,u>0?p--:u<0&&p++,void this._goToPage(f,p);f=this.x+Math.round(this.hasHorizontalScroll?l:0),p=this.y+Math.round(this.hasVerticalScroll?u:0),this.movingDirectionX=this.directionX=l>0?-1:l<0?1:0,this.movingDirectionY=this.directionY=u>0?-1:u<0?1:0,f>this.minScrollX?f=this.minScrollX:fthis.minScrollY?p=this.minScrollY:pthis.minScrollX?o=this.minScrollX:othis.minScrollY?s=this.minScrollY:sf&&(a=2*f*Math.pow(.5,f/a));var p=a/this.startScale,d=this.startX-(this.originX-this.relativeX)*(p-1),v=this.startY-(this.originY-this.relativeY)*(p-1);this.setScale(a),this.scrollTo(d,v,0)}},t.prototype._zoomEnd=function(t){if(this.enabled&&!this.destroyed&&F[t.type]===this.initiated){this.options.preventDefault&&t.preventDefault(),this.options.stopPropagation&&t.stopPropagation(),this.isInTransition=!1,this.isAnimating=!1,this.initiated=0;var e=this.options.zoom,n=e.min,i=void 0===n?1:n,r=e.max,o=void 0===r?4:r,s=this.scale>o?o:this.scalec;)i(a,n=e[c++])&&(~o(l,n)||l.push(n));return 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