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/*!
 * better-scroll / core
 * (c) 2016-2020 ustbhuangyi
 * Released under the MIT License.
 */
/*! *****************************************************************************
Copyright (c) Microsoft Corporation. All rights reserved.
Licensed under the Apache License, Version 2.0 (the "License"); you may not use
this file except in compliance with the License. You may obtain a copy of the
License at http://www.apache.org/licenses/LICENSE-2.0

THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
MERCHANTABLITY OR NON-INFRINGEMENT.

See the Apache Version 2.0 License for specific language governing permissions
and limitations under the License.
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t(){this.startX=0,this.startY=0,this.scrollX=!1,this.scrollY=!0,this.freeScroll=!1,this.directionLockThreshold=5,this.eventPassthrough="",this.click=!1,this.dblclick=!1,this.tap="",this.bounce={top:!0,bottom:!0,left:!0,right:!0},this.bounceTime=800,this.momentum=!0,this.momentumLimitTime=300,this.momentumLimitDistance=15,this.swipeTime=2500,this.swipeBounceTime=500,this.deceleration=.0015,this.flickLimitTime=200,this.flickLimitDistance=100,this.resizePolling=60,this.probeType=0,this.stopPropagation=!1,this.preventDefault=!0,this.preventDefaultException={tagName:/^(INPUT|TEXTAREA|BUTTON|SELECT|AUDIO)$/},this.tagException={tagName:/^TEXTAREA$/},this.HWCompositing=!0,this.useTransition=!0,this.bindToWrapper=!1,this.disableMouse=S,this.disableTouch=!S,this.autoBlur=!0}return t.prototype.merge=function(t){if(!t)return this;for(var e in t)this[e]=t[e];return this},t.prototype.process=function(){return this.translateZ=this.HWCompositing&&P?" 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t=this.options,e=t.bindToWrapper,o=t.disableMouse,i=t.disableTouch,s=t.click,n=this.wrapper,r=e?n:window,h=[],a=[],c=S&&!i,l=!o;s&&h.push({name:"click",handler:this.click.bind(this),capture:!0}),c&&(h.push({name:"touchstart",handler:this.start.bind(this)}),a.push({name:"touchmove",handler:this.move.bind(this)},{name:"touchend",handler:this.end.bind(this)},{name:"touchcancel",handler:this.end.bind(this)})),l&&(h.push({name:"mousedown",handler:this.start.bind(this)}),a.push({name:"mousemove",handler:this.move.bind(this)},{name:"mouseup",handler:this.end.bind(this)})),this.wrapperEventRegister=new q(n,h),this.targetEventRegister=new q(r,a)},t.prototype.beforeHandler=function(t,e){var o=this.options,i=o.preventDefault,s=o.stopPropagation,n=o.preventDefaultException,r={start:function(){return i&&!D(t.target,n)},end:function(){return i&&!D(t.target,n)},move:function(){return i}};r[e]()&&t.preventDefault(),s&&t.stopPropagation()},t.prototype.setInitiated=function(t){void 0===t&&(t=0),this.initiated=t},t.prototype.start=function(t){var e=X[t.type];if(!this.initiated||this.initiated===e)if(this.setInitiated(e),x(t.target,this.options.tagException))this.setInitiated();else if((2!==e||0===t.button)&&!this.hooks.trigger(this.hooks.eventTypes.beforeStart,t)){this.beforeHandler(t,"start");var o=t.touches?t.touches[0]:t;this.pointX=o.pageX,this.pointY=o.pageY,this.hooks.trigger(this.hooks.eventTypes.start,t)}},t.prototype.move=function(t){if(X[t.type]===this.initiated){this.beforeHandler(t,"move");var e=t.touches?t.touches[0]:t,o=e.pageX-this.pointX,i=e.pageY-this.pointY;if(this.pointX=e.pageX,this.pointY=e.pageY,!this.hooks.trigger(this.hooks.eventTypes.move,{deltaX:o,deltaY:i,e:t})){var s=document.documentElement.scrollLeft||window.pageXOffset||document.body.scrollLeft,n=document.documentElement.scrollTop||window.pageYOffset||document.body.scrollTop,r=this.pointX-s,h=this.pointY-n;(r>document.documentElement.clientWidth-this.options.momentumLimitDistance||r<this.options.momentumLimitDistance||h<this.options.momentumLimitDistance||h>document.documentElement.clientHeight-this.options.momentumLimitDistance)&&this.end(t)}}},t.prototype.end=function(t){X[t.type]===this.initiated&&(this.setInitiated(),this.beforeHandler(t,"end"),this.hooks.trigger(this.hooks.eventTypes.end,t))},t.prototype.click=function(t){this.hooks.trigger(this.hooks.eventTypes.click,t)},t.prototype.destroy=function(){this.wrapperEventRegister.destroy(),this.targetEventRegister.destroy(),this.hooks.destroy()},t}(),V={x:["translateX","px"],y:["translateY","px"]},$=function(){function t(t){this.content=t,this.style=t.style,this.hooks=new W(["beforeTranslate","translate"])}return t.prototype.getComputedPosition=function(){var t=window.getComputedStyle(this.content,null),e=t[B.transform].split(")")[0].split(", "),o=+(e[12]||e[4]),i=+(e[13]||e[5]);return{x:o,y:i}},t.prototype.translate=function(t){var e=[];Object.keys(t).forEach((function(o){if(V[o]){var i=V[o][0];if(i){var s=V[o][1],n=t[o];e.push(i+"("+n+s+")")}}})),this.hooks.trigger(this.hooks.eventTypes.beforeTranslate,e,t),this.style[B.transform]=e.join(" "),this.hooks.trigger(this.hooks.eventTypes.translate,t)},t.prototype.destroy=function(){this.hooks.destroy()},t}(),G=function(){function t(t,e,o){this.content=t,this.translater=e,this.options=o,this.hooks=new W(["move","end","beforeForceStop","forceStop","time","timeFunction"]),this.style=t.style}return t.prototype.translate=function(t){this.translater.translate(t)},t.prototype.setPending=function(t){this.pending=t},t.prototype.setForceStopped=function(t){this.forceStopped=t},t.prototype.destroy=function(){this.hooks.destroy(),K(this.timer)},t}(),Q=function(t){function e(){return null!==t&&t.apply(this,arguments)||this}return s(e,t),e.prototype.startProbe=function(){var t=this,e=function(){var o=t.translater.getComputedPosition();t.hooks.trigger(t.hooks.eventTypes.move,o),t.pending?t.timer=F(e):t.hooks.trigger(t.hooks.eventTypes.end,o)};K(this.timer),this.timer=F(e)},e.prototype.transitionTime=function(t){void 0===t&&(t=0),this.style[B.transitionDuration]=t+"ms",this.hooks.trigger(this.hooks.eventTypes.time,t)},e.prototype.transitionTimingFunction=function(t){this.style[B.transitionTimingFunction]=t,this.hooks.trigger(this.hooks.eventTypes.timeFunction,t)},e.prototype.move=function(t,e,o,i,s){this.setPending(o>0&&(t.x!==e.x||t.y!==e.y)),this.transitionTimingFunction(i),this.transitionTime(o),this.translate(e),o&&3===this.options.probeType&&this.startProbe(),o||(this._reflow=this.content.offsetHeight),o||s||(this.hooks.trigger(this.hooks.eventTypes.move,e),this.hooks.trigger(this.hooks.eventTypes.end,e))},e.prototype.stop=function(){if(this.pending){this.setPending(!1),K(this.timer);var t=this.translater.getComputedPosition(),e=t.x,o=t.y;if(this.transitionTime(),this.translate({x:e,y:o}),this.setForceStopped(!0),this.hooks.trigger(this.hooks.eventTypes.beforeForceStop,{x:e,y:o}))return;this.hooks.trigger(this.hooks.eventTypes.forceStop,{x:e,y:o})}},e}(G),tt=function(t){function e(){return null!==t&&t.apply(this,arguments)||this}return s(e,t),e.prototype.move=function(t,e,o,i,s){if(!o){if(this.translate(e),this._reflow=this.content.offsetHeight,s)return;return this.hooks.trigger(this.hooks.eventTypes.move,e),void this.hooks.trigger(this.hooks.eventTypes.end,e)}this.animate(t,e,o,i)},e.prototype.animate=function(t,e,o,i){var s=this,n=p(),r=n+o,h=function(){var a=p();if(a>=r)return s.translate(e),s.hooks.trigger(s.hooks.eventTypes.move,e),void s.hooks.trigger(s.hooks.eventTypes.end,e);a=(a-n)/o;var c=i(a),l={};Object.keys(e).forEach((function(o){var i=t[o],s=e[o];l[o]=(s-i)*c+i})),s.translate(l),s.pending&&(s.timer=F(h)),3===s.options.probeType&&s.hooks.trigger(s.hooks.eventTypes.move,l)};this.setPending(!0),K(this.timer),h()},e.prototype.stop=function(){if(this.pending){this.setPending(!1),K(this.timer);var t=this.translater.getComputedPosition();if(this.setForceStopped(!0),this.hooks.trigger(this.hooks.eventTypes.beforeForceStop,t))return;this.hooks.trigger(this.hooks.eventTypes.forceStop,t)}},e}(G);function et(t,e,o){var i=o.useTransition,s={};return Object.defineProperty(s,"probeType",{enumerable:!0,configurable:!1,get:function(){return o.probeType}}),i?new Q(t,e,s):new tt(t,e,s)}var ot,it,st,nt,rt=function(){function t(t,e){this.wrapper=t,this.options=e,this.hooks=new W(["momentum","end"]),this.content=this.wrapper.children[0],this.currentPos=0,this.startPos=0}return t.prototype.start=function(){this.direction=0,this.movingDirection=0,this.dist=0},t.prototype.move=function(t){t=this.hasScroll?t:0,this.movingDirection=t>0?-1:t<0?1:0;var e=this.currentPos+t;return(e>this.minScrollPos||e<this.maxScrollPos)&&(e=e>this.minScrollPos&&this.options.bounces[0]||e<this.maxScrollPos&&this.options.bounces[1]?this.currentPos+t/3:e>this.minScrollPos?this.minScrollPos:this.maxScrollPos),e},t.prototype.end=function(t){var e={duration:0},o=Math.abs(this.currentPos-this.startPos);if(this.options.momentum&&t<this.options.momentumLimitTime&&o>this.options.momentumLimitDistance){var i=-1===this.direction&&this.options.bounces[0]||1===this.direction&&this.options.bounces[1]?this.wrapperSize:0;e=this.hasScroll?this.momentum(this.currentPos,this.startPos,t,this.maxScrollPos,this.minScrollPos,i,this.options):{destination:this.currentPos,duration:0}}else this.hooks.trigger(this.hooks.eventTypes.end,e);return e},t.prototype.momentum=function(t,e,o,i,s,n,r){void 0===r&&(r=this.options);var h=t-e,a=Math.abs(h)/o,c=r.deceleration,l=r.swipeBounceTime,p=r.swipeTime,u={destination:t+a/c*(h<0?-1:1),duration:p,rate:15};return this.hooks.trigger(this.hooks.eventTypes.momentum,u,h),u.destination<i?(u.destination=n?Math.max(i-n/4,i-n/u.rate*a):i,u.duration=l):u.destination>s&&(u.destination=n?Math.min(s+n/4,s+n/u.rate*a):s,u.duration=l),u.destination=Math.round(u.destination),u},t.prototype.updateDirection=function(){var t=Math.round(this.currentPos)-this.absStartPos;this.direction=t>0?-1:t<0?1:0},t.prototype.refresh=function(){var t=this.options.rect,e=t.size,o=t.position,i="static"===window.getComputedStyle(this.wrapper,null).position,s=Y(this.wrapper);this.wrapperSize=s[e];var n=Y(this.content);this.contentSize=n[e],this.relativeOffset=n[o],i&&(this.relativeOffset-=s[o]),this.minScrollPos=0,this.maxScrollPos=this.wrapperSize-this.contentSize,this.maxScrollPos<0&&(this.maxScrollPos-=this.relativeOffset,this.minScrollPos=-this.relativeOffset),this.hasScroll=this.options.scrollable&&this.maxScrollPos<this.minScrollPos,this.hasScroll||(this.maxScrollPos=this.minScrollPos,this.contentSize=this.wrapperSize),this.direction=0},t.prototype.updatePosition=function(t){this.currentPos=t},t.prototype.getCurrentPos=function(){return Math.round(this.currentPos)},t.prototype.checkInBoundary=function(){var t=this.adjustPosition(this.currentPos),e=t===this.getCurrentPos();return{position:t,inBoundary:e}},t.prototype.adjustPosition=function(t){var e=Math.round(t);return!this.hasScroll||e>this.minScrollPos?e=this.minScrollPos:e<this.maxScrollPos&&(e=this.maxScrollPos),e},t.prototype.updateStartPos=function(){this.startPos=this.currentPos},t.prototype.updateAbsStartPos=function(){this.absStartPos=this.currentPos},t.prototype.resetStartPos=function(){this.updateStartPos(),this.updateAbsStartPos()},t.prototype.getAbsDist=function(t){return this.dist+=t,Math.abs(this.dist)},t.prototype.destroy=function(){this.hooks.destroy()},t}(),ht=(ot={},ot["yes"]=function(t){return!0},ot["no"]=function(t){return t.preventDefault(),!1},ot),at=(it={},it["horizontal"]=(st={},st["yes"]="horizontal",st["no"]="vertical",st),it["vertical"]=(nt={},nt["yes"]="vertical",nt["no"]="horizontal",nt),it),ct=function(){function t(t,e,o){this.directionLockThreshold=t,this.freeScroll=e,this.eventPassthrough=o,this.reset()}return t.prototype.reset=function(){this.directionLocked=""},t.prototype.checkMovingDirection=function(t,e,o){return this.computeDirectionLock(t,e),this.handleEventPassthrough(o)},t.prototype.adjustDelta=function(t,e){return"horizontal"===this.directionLocked?e=0:"vertical"===this.directionLocked&&(t=0),{deltaX:t,deltaY:e}},t.prototype.computeDirectionLock=function(t,e){""!==this.directionLocked||this.freeScroll||(t>e+this.directionLockThreshold?this.directionLocked="horizontal":e>=t+this.directionLockThreshold?this.directionLocked="vertical":this.directionLocked="none")},t.prototype.handleEventPassthrough=function(t){var e=at[this.directionLocked];if(e){if(this.eventPassthrough===e["yes"])return ht["yes"](t);if(this.eventPassthrough===e["no"])return ht["no"](t)}return!1},t}(),lt=function(){function t(t,e,o,i,s){this.hooks=new W(["start","beforeMove","scrollStart","scroll","beforeEnd","end","scrollEnd"]),this.scrollBehaviorX=t,this.scrollBehaviorY=e,this.actionsHandler=o,this.animater=i,this.options=s,this.directionLockAction=new ct(s.directionLockThreshold,s.freeScroll,s.eventPassthrough),this.enabled=!0,this.bindActionsHandler()}return t.prototype.bindActionsHandler=function(){var t=this;this.actionsHandler.hooks.on(this.actionsHandler.hooks.eventTypes.start,(function(e){return!t.enabled||t.handleStart(e)})),this.actionsHandler.hooks.on(this.actionsHandler.hooks.eventTypes.move,(function(e){var o=e.deltaX,i=e.deltaY,s=e.e;return!t.enabled||t.handleMove(o,i,s)})),this.actionsHandler.hooks.on(this.actionsHandler.hooks.eventTypes.end,(function(e){return!t.enabled||t.handleEnd(e)})),this.actionsHandler.hooks.on(this.actionsHandler.hooks.eventTypes.click,(function(e){t.enabled&&!e._constructed&&t.handleClick(e)}))},t.prototype.handleStart=function(t){var e=p();this.moved=!1,this.startTime=e,this.directionLockAction.reset(),this.scrollBehaviorX.start(),this.scrollBehaviorY.start(),this.animater.stop(),this.scrollBehaviorX.resetStartPos(),this.scrollBehaviorY.resetStartPos(),this.hooks.trigger(this.hooks.eventTypes.start,t)},t.prototype.handleMove=function(t,e,o){if(!this.hooks.trigger(this.hooks.eventTypes.beforeMove,o)){var i=this.scrollBehaviorX.getAbsDist(t),s=this.scrollBehaviorY.getAbsDist(e),n=p();if(this.checkMomentum(i,s,n))return!0;if(this.directionLockAction.checkMovingDirection(i,s,o))return this.actionsHandler.setInitiated(),!0;var r=this.directionLockAction.adjustDelta(t,e),h=this.scrollBehaviorX.move(r.deltaX),a=this.scrollBehaviorY.move(r.deltaY);this.moved||(this.moved=!0,this.hooks.trigger(this.hooks.eventTypes.scrollStart)),this.animater.translate({x:h,y:a}),this.dispatchScroll(n)}},t.prototype.dispatchScroll=function(t){t-this.startTime>this.options.momentumLimitTime&&(this.startTime=t,this.scrollBehaviorX.updateStartPos(),this.scrollBehaviorY.updateStartPos(),1===this.options.probeType&&this.hooks.trigger(this.hooks.eventTypes.scroll,this.getCurrentPos())),this.options.probeType>1&&this.hooks.trigger(this.hooks.eventTypes.scroll,this.getCurrentPos())},t.prototype.checkMomentum=function(t,e,o){return o-this.endTime>this.options.momentumLimitTime&&e<this.options.momentumLimitDistance&&t<this.options.momentumLimitDistance},t.prototype.handleEnd=function(t){if(!this.hooks.trigger(this.hooks.eventTypes.beforeEnd,t)){var e=this.getCurrentPos();if(this.scrollBehaviorX.updateDirection(),this.scrollBehaviorY.updateDirection(),this.hooks.trigger(this.hooks.eventTypes.end,t,e))return!0;this.animater.translate(e),this.endTime=p();var o=this.endTime-this.startTime;this.hooks.trigger(this.hooks.eventTypes.scrollEnd,e,o)}},t.prototype.handleClick=function(t){D(t.target,this.options.preventDefaultException)||(t.preventDefault(),t.stopPropagation())},t.prototype.getCurrentPos=function(){return{x:this.scrollBehaviorX.getCurrentPos(),y:this.scrollBehaviorY.getCurrentPos()}},t.prototype.refresh=function(){this.endTime=0},t.prototype.destroy=function(){this.hooks.destroy()},t}();function pt(t){var e=["click","bindToWrapper","disableMouse","disableTouch","preventDefault","stopPropagation","tagException","preventDefaultException"].reduce((function(e,o){return e[o]=t[o],e}),{});return e}function ut(t,e,o,i){var s=["momentum","momentumLimitTime","momentumLimitDistance","deceleration","swipeBounceTime","swipeTime"].reduce((function(e,o){return e[o]=t[o],e}),{});return s.scrollable=t[e],s.bounces=o,s.rect=i,s}function ft(t,e,o){o.forEach((function(o){var i,s;"string"===typeof o?i=s=o:(i=o.source,s=o.target),t.on(i,(function(){for(var t=[],o=0;o<arguments.length;o++)t[o]=arguments[o];return e.trigger.apply(e,[s].concat(t))}))}))}var dt=function(){function t(t,e){this.hooks=new W(["beforeStart","beforeMove","beforeScrollStart","scrollStart","scroll","beforeEnd","scrollEnd","refresh","touchEnd","end","flick","scrollCancel","momentum","scrollTo","ignoreDisMoveForSamePos","scrollToElement","resize"]),this.wrapper=t,this.content=t.children[0],this.options=e;var o=this.options.bounce,i=o.left,s=void 0===i||i,n=o.right,r=void 0===n||n,h=o.top,a=void 0===h||h,c=o.bottom,l=void 0===c||c;this.scrollBehaviorX=new rt(t,ut(e,"scrollX",[s,r],{size:"width",position:"left"})),this.scrollBehaviorY=new rt(t,ut(e,"scrollY",[a,l],{size:"height",position:"top"})),this.translater=new $(this.content),this.animater=et(this.content,this.translater,this.options),this.actionsHandler=new J(t,pt(this.options)),this.actions=new lt(this.scrollBehaviorX,this.scrollBehaviorY,this.actionsHandler,this.animater,this.options);var p=this.resize.bind(this);this.resizeRegister=new q(window,[{name:"orientationchange",handler:p},{name:"resize",handler:p}]),this.transitionEndRegister=new q(this.content,[{name:B.transitionEnd,handler:this.transitionEnd.bind(this)}]),this.init()}return t.prototype.init=function(){var t=this;this.bindTranslater(),this.bindAnimater(),this.bindActions(),this.hooks.on(this.hooks.eventTypes.scrollEnd,(function(){t.togglePointerEvents(!0)}))},t.prototype.bindTranslater=function(){var t=this,e=this.translater.hooks;e.on(e.eventTypes.beforeTranslate,(function(e){t.options.translateZ&&e.push(t.options.translateZ)})),e.on(e.eventTypes.translate,(function(e){t.updatePositions(e),t.togglePointerEvents(!1)}))},t.prototype.bindAnimater=function(){var t=this;this.animater.hooks.on(this.animater.hooks.eventTypes.end,(function(e){t.resetPosition(t.options.bounceTime)||(t.animater.setPending(!1),t.hooks.trigger(t.hooks.eventTypes.scrollEnd,e))})),ft(this.animater.hooks,this.hooks,[{source:this.animater.hooks.eventTypes.move,target:this.hooks.eventTypes.scroll},{source:this.animater.hooks.eventTypes.forceStop,target:this.hooks.eventTypes.scrollEnd}])},t.prototype.bindActions=function(){var t=this,e=this.actions;ft(e.hooks,this.hooks,[{source:e.hooks.eventTypes.start,target:this.hooks.eventTypes.beforeStart},{source:e.hooks.eventTypes.start,target:this.hooks.eventTypes.beforeScrollStart},{source:e.hooks.eventTypes.beforeMove,target:this.hooks.eventTypes.beforeMove},{source:e.hooks.eventTypes.scrollStart,target:this.hooks.eventTypes.scrollStart},{source:e.hooks.eventTypes.scroll,target:this.hooks.eventTypes.scroll},{source:e.hooks.eventTypes.beforeEnd,target:this.hooks.eventTypes.beforeEnd}]),e.hooks.on(e.hooks.eventTypes.end,(function(o,i){return t.hooks.trigger(t.hooks.eventTypes.touchEnd,i),!!t.hooks.trigger(t.hooks.eventTypes.end,i)||(!e.moved&&t.checkClick(o)?(t.animater.setForceStopped(!1),t.hooks.trigger(t.hooks.eventTypes.scrollCancel),!0):(t.animater.setForceStopped(!1),!!t.resetPosition(t.options.bounceTime,O.bounce)||void 0))})),e.hooks.on(e.hooks.eventTypes.scrollEnd,(function(e,o){var i=Math.abs(e.x-t.scrollBehaviorX.startPos),s=Math.abs(e.y-t.scrollBehaviorY.startPos);t.checkFlick(o,i,s)?t.hooks.trigger(t.hooks.eventTypes.flick):t.momentum(e,o)||t.hooks.trigger(t.hooks.eventTypes.scrollEnd,e)}))},t.prototype.checkFlick=function(t,e,o){if(this.hooks.events.flick.length>1&&t<this.options.flickLimitTime&&e<this.options.flickLimitDistance&&o<this.options.flickLimitDistance)return!0},t.prototype.momentum=function(t,e){var o={time:0,easing:O.swiper,newX:t.x,newY:t.y},i=this.scrollBehaviorX.end(e),s=this.scrollBehaviorY.end(e);if(o.newX=f(i.destination)?o.newX:i.destination,o.newY=f(s.destination)?o.newY:s.destination,o.time=Math.max(i.duration,s.duration),this.hooks.trigger(this.hooks.eventTypes.momentum,o,this),o.newX!==t.x||o.newY!==t.y)return(o.newX>this.scrollBehaviorX.minScrollPos||o.newX<this.scrollBehaviorX.maxScrollPos||o.newY>this.scrollBehaviorY.minScrollPos||o.newY<this.scrollBehaviorY.maxScrollPos)&&(o.easing=O.swipeBounce),this.scrollTo(o.newX,o.newY,o.time,o.easing),!0},t.prototype.checkClick=function(t){var e={preventClick:this.animater.forceStopped};if(this.hooks.trigger(this.hooks.eventTypes.checkClick))return!0;if(!e.preventClick){var o=this.options.dblclick,i=!1;if(o&&this.lastClickTime){var s=o.delay,n=void 0===s?300:s;p()-this.lastClickTime<n&&(i=!0,M(t))}return this.options.tap&&L(t,this.options.tap),this.options.click&&!D(t.target,this.options.preventDefaultException)&&C(t),this.lastClickTime=i?null:p(),!0}return!1},t.prototype.resize=function(){var t=this;this.actions.enabled&&(l&&(this.wrapper.scrollTop=0),this.hooks.trigger(this.hooks.eventTypes.resize)||(clearTimeout(this.resizeTimeout),this.resizeTimeout=window.setTimeout((function(){t.refresh()}),this.options.resizePolling)))},t.prototype.transitionEnd=function(t){if(t.target===this.content&&this.animater.pending){var e=this.animater;e.transitionTime(),this.resetPosition(this.options.bounceTime,O.bounce)||(this.animater.setPending(!1),3!==this.options.probeType&&this.hooks.trigger(this.hooks.eventTypes.scrollEnd,this.getCurrentPos()))}},t.prototype.togglePointerEvents=function(t){void 0===t&&(t=!0);for(var e=this.content.children.length?this.content.children:[this.content],o=t?"auto":"none",i=0;i<e.length;i++){var s=e[i];s.isBScrollContainer||(s.style.pointerEvents=o)}},t.prototype.refresh=function(){this.scrollBehaviorX.refresh(),this.scrollBehaviorY.refresh(),this.actions.refresh(),this.wrapperOffset=T(this.wrapper)},t.prototype.scrollBy=function(t,e,o,i){void 0===o&&(o=0);var s=this.getCurrentPos(),n=s.x,r=s.y;i=i||O.bounce,t+=n,e+=r,this.scrollTo(t,e,o,i)},t.prototype.scrollTo=function(t,e,o,i,s,r){void 0===o&&(o=0),void 0===s&&(s={start:{},end:{}}),i=i||O.bounce;var h=this.options.useTransition?i.style:i.fn,a=this.getCurrentPos(),c=n({x:a.x,y:a.y},s.start),l=n({x:t,y:e},s.end);this.hooks.trigger(this.hooks.eventTypes.scrollTo,l),(this.hooks.trigger(this.hooks.eventTypes.ignoreDisMoveForSamePos)||c.x!==l.x||c.y!==l.y)&&this.animater.move(c,l,o,h,r)},t.prototype.scrollToElement=function(t,e,o,i,s){var n=y(t),r=T(n),h=function(t,e,o){return"number"===typeof t?t:t?Math.round(e/2-o/2):0};o=h(o,n.offsetWidth,this.wrapper.offsetWidth),i=h(i,n.offsetHeight,this.wrapper.offsetHeight);var a=function(t,e,o,i){return t-=e,t=i.adjustPosition(t-o),t};r.left=a(r.left,this.wrapperOffset.left,o,this.scrollBehaviorX),r.top=a(r.top,this.wrapperOffset.top,i,this.scrollBehaviorY),this.hooks.trigger(this.hooks.eventTypes.scrollToElement,n,r)||this.scrollTo(r.left,r.top,e,s)},t.prototype.resetPosition=function(t,e){void 0===t&&(t=0),e=e||O.bounce;var o=this.scrollBehaviorX.checkInBoundary(),i=o.position,s=o.inBoundary,n=this.scrollBehaviorY.checkInBoundary(),r=n.position,h=n.inBoundary;return(!s||!h)&&(this._reflow=this.content.offsetHeight,this.scrollTo(i,r,t,e),!0)},t.prototype.updatePositions=function(t){this.scrollBehaviorX.updatePosition(t.x),this.scrollBehaviorY.updatePosition(t.y)},t.prototype.getCurrentPos=function(){return this.actions.getCurrentPos()},t.prototype.enable=function(){this.actions.enabled=!0},t.prototype.disable=function(){K(this.animater.timer),this.actions.enabled=!1},t.prototype.destroy=function(){var t=this,e=["resizeRegister","transitionEndRegister","actionsHandler","actions","hooks","animater","translater","scrollBehaviorX","scrollBehaviorY"];e.forEach((function(e){return t[e].destroy()}))},t}(),vt=[{sourceKey:"scroller.scrollBehaviorX.currentPos",key:"x"},{sourceKey:"scroller.scrollBehaviorY.currentPos",key:"y"},{sourceKey:"scroller.scrollBehaviorX.hasScroll",key:"hasHorizontalScroll"},{sourceKey:"scroller.scrollBehaviorY.hasScroll",key:"hasVerticalScroll"},{sourceKey:"scroller.scrollBehaviorX.contentSize",key:"scrollerWidth"},{sourceKey:"scroller.scrollBehaviorY.contentSize",key:"scrollerHeight"},{sourceKey:"scroller.scrollBehaviorX.maxScrollPos",key:"maxScrollX"},{sourceKey:"scroller.scrollBehaviorY.maxScrollPos",key:"maxScrollY"},{sourceKey:"scroller.scrollBehaviorX.minScrollPos",key:"minScrollX"},{sourceKey:"scroller.scrollBehaviorY.minScrollPos",key:"minScrollY"},{sourceKey:"scroller.scrollBehaviorX.movingDirection",key:"movingDirectionX"},{sourceKey:"scroller.scrollBehaviorY.movingDirection",key:"movingDirectionY"},{sourceKey:"scroller.scrollBehaviorX.direction",key:"directionX"},{sourceKey:"scroller.scrollBehaviorY.direction",key:"directionY"},{sourceKey:"scroller.actions.enabled",key:"enabled"},{sourceKey:"scroller.animater.pending",key:"pending"},{sourceKey:"scroller.animater.stop",key:"stop"},{sourceKey:"scroller.scrollTo",key:"scrollTo"},{sourceKey:"scroller.scrollBy",key:"scrollBy"},{sourceKey:"scroller.scrollToElement",key:"scrollToElement"},{sourceKey:"scroller.resetPosition",key:"resetPosition"}],mt=function(t){function e(e,o){var i=t.call(this,["refresh","enable","disable","beforeScrollStart","scrollStart","scroll","scrollEnd","scrollCancel","touchEnd","flick","destroy"])||this,s=y(e);if(!s)return r("Can not resolve the wrapper DOM."),i;var n=s.children[0];return n?(i.plugins={},i.options=(new U).merge(o).process(),i.hooks=new W(["init","refresh","enable","disable","destroy"]),i.init(s),i):(r("The wrapper need at least one child element to be scroller."),i)}return s(e,t),e.use=function(t){var e=t.pluginName,o=this.plugins.some((function(e){return t===e.ctor}));return o?this:f(e)?(r("Plugin Class must specify plugin's name in static property by 'pluginName' field."),this):this.pluginsMap[e]?(r("This plugin has been registered, maybe you need change plugin's name"),this):(this.pluginsMap[e]=!0,this.plugins.push({name:e,applyOrder:t.applyOrder,ctor:t}),this)},e.prototype.init=function(t){this.wrapper=t,t.isBScrollContainer=!0,this.scroller=new dt(t,this.options),this.eventBubbling(),this.handleAutoBlur(),this.innerRefresh(),this.scroller.scrollTo(this.options.startX,this.options.startY),this.enable(),this.proxy(vt),this.applyPlugins()},e.prototype.applyPlugins=function(){var t=this,e=this.options;this.constructor.plugins.sort((function(t,e){var o,i=(o={},o["pre"]=-1,o["post"]=1,o),s=t.applyOrder?i[t.applyOrder]:0,n=e.applyOrder?i[e.applyOrder]:0;return s-n})).forEach((function(o){var i=o.ctor;e[o.name]&&"function"===typeof i&&(t.plugins[o.name]=new i(t))}))},e.prototype.handleAutoBlur=function(){this.options.autoBlur&&this.on(this.eventTypes.beforeScrollStart,(function(){var t=document.activeElement;!t||"INPUT"!==t.tagName&&"TEXTAREA"!==t.tagName||t.blur()}))},e.prototype.eventBubbling=function(){ft(this.scroller.hooks,this,["beforeScrollStart","scrollStart","scroll","scrollEnd","scrollCancel","touchEnd","flick"])},e.prototype.innerRefresh=function(){this.scroller.refresh(),this.hooks.trigger(this.hooks.eventTypes.refresh),this.trigger(this.eventTypes.refresh)},e.prototype.proxy=function(t){var e=this;t.forEach((function(t){var o=t.key,i=t.sourceKey;N(e,i,o)}))},e.prototype.refresh=function(){this.innerRefresh(),this.scroller.resetPosition()},e.prototype.enable=function(){this.scroller.enable(),this.hooks.trigger(this.hooks.eventTypes.enable),this.trigger(this.eventTypes.enable)},e.prototype.disable=function(){this.scroller.disable(),this.hooks.trigger(this.hooks.eventTypes.disable),this.trigger(this.eventTypes.disable)},e.prototype.destroy=function(){this.hooks.trigger(this.hooks.eventTypes.destroy),this.trigger(this.eventTypes.destroy),this.scroller.destroy()},e.prototype.eventRegister=function(t){this.registerType(t)},e.plugins=[],e.pluginsMap={},e}(W);e["a"]=mt}}]);