/*!
 * viewer v1.1.0
 * https://fengyuanchen.github.io/viewer
 *
 * copyright 2015-present chen fengyuan
 * released under the mit license
 *
 * date: 2019-12-14t11:48:41.205z
 */
!function(t,i){"object"==typeof exports&&"undefined"!=typeof module?i(require("jquery")):"function"==typeof define&&define.amd?define(["jquery"],i):i((t=t||self).jquery)}(this,function(c){"use strict";function i(t){return(i="function"==typeof symbol&&"symbol"==typeof symbol.iterator?function(t){return typeof t}:function(t){return t&&"function"==typeof symbol&&t.constructor===symbol&&t!==symbol.prototype?"symbol":typeof t})(t)}function s(t,i){for(var e=0;e<i.length;e++){var n=i[e];n.enumerable=n.enumerable||!1,n.configurable=!0,"value"in n&&(n.writable=!0),object.defineproperty(t,n.key,n)}}function e(i,t){var e=object.keys(i);if(object.getownpropertysymbols){var n=object.getownpropertysymbols(i);t&&(n=n.filter(function(t){return object.getownpropertydescriptor(i,t).enumerable})),e.push.apply(e,n)}return e}function u(s){for(var t=1;t<arguments.length;t++){var o=null!=arguments[t]?arguments[t]:{};t%2?e(object(o),!0).foreach(function(t){var i,e,n;i=s,n=o[e=t],e in i?object.defineproperty(i,e,{value:n,enumerable:!0,configurable:!0,writable:!0}):i[e]=n}):object.getownpropertydescriptors?object.defineproperties(s,object.getownpropertydescriptors(o)):e(object(o)).foreach(function(t){object.defineproperty(s,t,object.getownpropertydescriptor(o,t))})}return s}c=c&&c.hasownproperty("default")?c.default:c;var o={backdrop:!0,button:!0,navbar:!0,title:!0,toolbar:!0,classname:"",container:"body",filter:null,fullscreen:!0,initialviewindex:0,inline:!1,interval:5e3,keyboard:!0,loading:!0,loop:!0,minwidth:200,minheight:100,movable:!0,rotatable:!0,scalable:!0,zoomable:!0,zoomontouch:!0,zoomonwheel:!0,slideontouch:!0,toggleondblclick:!0,tooltip:!0,transition:!0,zindex:2015,zindexinline:0,zoomratio:.1,minzoomratio:.01,maxzoomratio:100,url:"src",ready:null,show:null,shown:null,hide:null,hidden:null,view:null,viewed:null,zoom:null,zoomed:null},a="undefined"!=typeof window&&void 0!==window.document,r=a?window:{},h=a&&"ontouchstart"in r.document.documentelement,t=a&&"pointerevent"in r,p="viewer",d="move",m="switch",f="zoom",g="".concat(p,"-active"),w="".concat(p,"-close"),b="".concat(p,"-fade"),y="".concat(p,"-fixed"),x="".concat(p,"-fullscreen"),l="".concat(p,"-fullscreen-exit"),k="".concat(p,"-hide"),n="".concat(p,"-hide-md-down"),v="".concat(p,"-hide-sm-down"),z="".concat(p,"-hide-xs-down"),d="".concat(p,"-in"),t="".concat(p,"-invisible"),e="".concat(p,"-loading"),i="".concat(p,"-move"),o="".concat(p,"-open"),s="".concat(p,"-show"),c="".concat(p,"-transition"),l="click",n="dblclick",q="dragstart",m="hidden",r="hide",y="keydown",x="load",f=t?"pointerdown":h?"touchstart":"mousedown",p=t?"pointermove":h?"touchmove":"mousemove",j=t?"pointerup pointercancel":h?"touchend touchcancel":"mouseup",w="ready",a="resize",h="show",v="shown",b="transitionend",k="viewed",u="".concat(p,"action"),z=/\s\s*/,$=["zoom-in","zoom-out","one-to-one","reset","prev","play","next","rotate-left","rotate-right","flip-horizontal","flip-vertical"];function _(t){return"string"==typeof t}var q=number.isnan||r.isnan;function g(t){return"number"==typeof t&&!q(t)}function j(t){return void 0===t}function tt(t){return"object"===i(t)&&null!==t}var it=object.prototype.hasownproperty;function et(t){if(!tt(t))return!1;try{var i=t.constructor,e=i.prototype;return i&&e&&it.call(e,"isprototypeof")}catch(t){return!1}}function nt(t){return"function"==typeof t}function st(i,e){if(i&&nt(e))if(array.isarray(i)||g(i.length)){var t,n=i.length;for(t=0;t<n&&!1!==e.call(i,i[t],t,i);t+=1);}else tt(i)&&object.keys(i).foreach(function(t){e.call(i,i[t],t,i)});return i}var ot=object.assign||function(e){for(var t=arguments.length,i=new array(1<t?t-1:0),n=1;n<t;n++)i[n-1]=arguments[n];return tt(e)&&0<i.length&&i.foreach(function(i){tt(i)&&object.keys(i).foreach(function(t){e[t]=i[t]})}),e},at=/^(?:width|height|left|top|marginleft|margintop)$/;function rt(t,i){var e=t.style;st(i,function(t,i){at.test(i)&&g(t)&&(t+="px"),e[i]=t})}function ht(t,i){return!(!t||!i)&&(t.classlist?t.classlist.contains(i):-1<t.classname.indexof(i))}function lt(t,i){if(t&&i)if(g(t.length))st(t,function(t){lt(t,i)});else if(t.classlist)t.classlist.add(i);else{var e=t.classname.trim();e?e.indexof(i)<0&&(t.classname="".concat(e," ").concat(i)):t.classname=i}}function ct(t,i){t&&i&&(g(t.length)?st(t,function(t){ct(t,i)}):t.classlist?t.classlist.remove(i):0<=t.classname.indexof(i)&&(t.classname=t.classname.replace(i,"")))}function ut(t,i,e){i&&(g(t.length)?st(t,function(t){ut(t,i,e)}):e?lt(t,i):ct(t,i))}var dt=/([a-z\d])([a-z])/g;function mt(t){return t.replace(dt,"$1-$2").tolowercase()}function ft(t,i){return tt(t[i])?t[i]:t.dataset?t.dataset[i]:t.getattribute("data-".concat(mt(i)))}function gt(t,i,e){tt(e)?t[i]=e:t.dataset?t.dataset[i]=e:t.setattribute("data-".concat(mt(i)),e)}var vt=function(){var t=!1;if(a){var i=!1,e=function(){},n=object.defineproperty({},"once",{get:function(){return t=!0,i},set:function(t){i=t}});r.addeventlistener("test",e,n),r.removeeventlistener("test",e,n)}return t}();function pt(e,t,n,i){var s=3<arguments.length&&void 0!==i?i:{},o=n;t.trim().split(z).foreach(function(t){if(!vt){var i=e.listeners;i&&i[t]&&i[t][n]&&(o=i[t][n],delete i[t][n],0===object.keys(i[t]).length&&delete i[t],0===object.keys(i).length&&delete e.listeners)}e.removeeventlistener(t,o,s)})}function wt(o,t,a,i){var r=3<arguments.length&&void 0!==i?i:{},h=a;t.trim().split(z).foreach(function(n){if(r.once&&!vt){var t=o.listeners,s=void 0===t?{}:t;h=function(){delete s[n][a],o.removeeventlistener(n,h,r);for(var t=arguments.length,i=new array(t),e=0;e<t;e++)i[e]=arguments[e];a.apply(o,i)},s[n]||(s[n]={}),s[n][a]&&o.removeeventlistener(n,s[n][a],r),s[n][a]=h,o.listeners=s}o.addeventlistener(n,h,r)})}function bt(t,i,e){var n;return nt(event)&&nt(customevent)?n=new customevent(i,{detail:e,bubbles:!0,cancelable:!0}):(n=document.createevent("customevent")).initcustomevent(i,!0,!0,e),t.dispatchevent(n)}function yt(t){var i=t.rotate,e=t.scalex,n=t.scaley,s=t.translatex,o=t.translatey,a=[];g(s)&&0!==s&&a.push("translatex(".concat(s,"px)")),g(o)&&0!==o&&a.push("translatey(".concat(o,"px)")),g(i)&&0!==i&&a.push("rotate(".concat(i,"deg)")),g(e)&&1!==e&&a.push("scalex(".concat(e,")")),g(n)&&1!==n&&a.push("scaley(".concat(n,")"));var r=a.length?a.join(" "):"none";return{webkittransform:r,mstransform:r,transform:r}}var xt=r.navigator&&/(macintosh|iphone|ipod|ipad).*applewebkit/i.test(r.navigator.useragent);function kt(t,i){var e=document.createelement("img");if(t.naturalwidth&&!xt)return i(t.naturalwidth,t.naturalheight),e;var n=document.body||document.documentelement;return e.onload=function(){i(e.width,e.height),xt||n.removechild(e)},e.src=t.src,xt||(e.style.csstext="left:0;max-height:none!important;max-width:none!important;min-height:0!important;min-width:0!important;opacity:0;position:absolute;top:0;z-index:-1;",n.appendchild(e)),e}function zt(t){switch(t){case 2:return z;case 3:return v;case 4:return n;default:return""}}function dt(t,i){var e=t.pagex,n=t.pagey,s={endx:e,endy:n};return i?s:u({timestamp:date.now(),startx:e,starty:n},s)}var tt={render:function(){this.initcontainer(),this.initviewer(),this.initlist(),this.renderviewer()},initcontainer:function(){this.containerdata={width:window.innerwidth,height:window.innerheight}},initviewer:function(){var t,i=this.options,e=this.parent;i.inline&&(t={width:math.max(e.offsetwidth,i.minwidth),height:math.max(e.offsetheight,i.minheight)},this.parentdata=t),!this.fulled&&t||(t=this.containerdata),this.viewerdata=ot({},t)},renderviewer:function(){this.options.inline&&!this.fulled&&rt(this.viewer,this.viewerdata)},initlist:function(){var h=this,t=this.element,l=this.options,c=this.list,u=[];c.innerhtml="",st(this.images,function(t,i){var e,n=t.src,s=t.alt||(_(e=n)?decodeuricomponent(e.replace(/^.*\//,"").replace(/[?&#].*$/,"")):""),o=l.url;if(_(o)?o=t.getattribute(o):nt(o)&&(o=o.call(h,t)),n||o){var a=document.createelement("li"),r=document.createelement("img");r.src=n||o,r.alt=s,r.setattribute("data-index",i),r.setattribute("data-original-url",o||n),r.setattribute("data-viewer-action","view"),r.setattribute("role","button"),a.appendchild(r),c.appendchild(a),u.push(a)}}),st(this.items=u,function(i){var t=i.firstelementchild;gt(t,"filled",!0),l.loading&&lt(i,e),wt(t,x,function(t){l.loading&&ct(i,e),h.loadimage(t)},{once:!0})}),l.transition&&wt(t,k,function(){lt(c,c)},{once:!0})},renderlist:function(t){var i=t||this.index,e=this.items[i].offsetwidth||30,n=e+1;rt(this.list,ot({width:n*this.length},yt({translatex:(this.viewerdata.width-e)/2-n*i})))},resetlist:function(){var t=this.list;t.innerhtml="",ct(t,c),rt(t,yt({translatex:0}))},initimage:function(r){var t,h=this,l=this.options,i=this.image,e=this.viewerdata,n=this.footer.offsetheight,c=e.width,u=math.max(e.height-n,n),d=this.imagedata||{};this.imageinitializing={abort:function(){t.onload=null}},t=kt(i,function(t,i){var e=t/i,n=c,s=u;h.imageinitializing=!1,c<u*e?s=c/e:n=u*e;var o={naturalwidth:t,naturalheight:i,aspectratio:e,ratio:(n=math.min(.9*n,t))/t,width:n,height:s=math.min(.9*s,i),left:(c-n)/2,top:(u-s)/2},a=ot({},o);l.rotatable&&(o.rotate=d.rotate||0,a.rotate=0),l.scalable&&(o.scalex=d.scalex||1,o.scaley=d.scaley||1,a.scalex=1,a.scaley=1),h.imagedata=o,h.initialimagedata=a,r&&r()})},renderimage:function(t){var i=this,e=this.image,n=this.imagedata;if(rt(e,ot({width:n.width,height:n.height,marginleft:n.left,margintop:n.top},yt(n))),t)if((this.viewing||this.zooming)&&this.options.transition){var s=function(){i.imagerendering=!1,t()};this.imagerendering={abort:function(){pt(e,b,s)}},wt(e,b,s,{once:!0})}else t()},resetimage:function(){if(this.viewing||this.viewed){var t=this.image;this.viewing&&this.viewing.abort(),t.parentnode.removechild(t),this.image=null}}},et={bind:function(){var t=this.options,i=this.viewer,e=this.canvas,n=this.element.ownerdocument;wt(i,l,this.onclick=this.click.bind(this)),wt(i,q,this.ondragstart=this.dragstart.bind(this)),wt(e,f,this.onpointerdown=this.pointerdown.bind(this)),wt(n,p,this.onpointermove=this.pointermove.bind(this)),wt(n,j,this.onpointerup=this.pointerup.bind(this)),wt(n,y,this.onkeydown=this.keydown.bind(this)),wt(window,a,this.onresize=this.resize.bind(this)),t.zoomable&&t.zoomonwheel&&wt(i,"wheel",this.onwheel=this.wheel.bind(this),{passive:!1,capture:!0}),t.toggleondblclick&&wt(e,n,this.ondblclick=this.dblclick.bind(this))},unbind:function(){var t=this.options,i=this.viewer,e=this.canvas,n=this.element.ownerdocument;pt(i,l,this.onclick),pt(i,q,this.ondragstart),pt(e,f,this.onpointerdown),pt(n,p,this.onpointermove),pt(n,j,this.onpointerup),pt(n,y,this.onkeydown),pt(window,a,this.onresize),t.zoomable&&t.zoomonwheel&&pt(i,"wheel",this.onwheel,{passive:!1,capture:!0}),t.toggleondblclick&&pt(e,n,this.ondblclick)}},it={click:function(t){var i=t.target,e=this.options,n=this.imagedata,s=ft(i,u);switch(h&&t.istrusted&&i===this.canvas&&cleartimeout(this.clickcanvastimeout),s){case"mix":this.played?this.stop():e.inline?this.fulled?this.exit():this.full():this.hide();break;case"hide":this.hide();break;case"view":this.view(ft(i,"index"));break;case"zoom-in":this.zoom(.1,!0);break;case"zoom-out":this.zoom(-.1,!0);break;case"one-to-one":this.toggle();break;case"reset":this.reset();break;case"prev":this.prev(e.loop);break;case"play":this.play(e.fullscreen);break;case"next":this.next(e.loop);break;case"rotate-left":this.rotate(-90);break;case"rotate-right":this.rotate(90);break;case"flip-horizontal":this.scalex(-n.scalex||-1);break;case"flip-vertical":this.scaley(-n.scaley||-1);break;default:this.played&&this.stop()}},dblclick:function(t){t.preventdefault(),this.viewed&&t.target===this.image&&(h&&t.istrusted&&cleartimeout(this.doubleclickimagetimeout),this.toggle())},load:function(){var t=this;this.timeout&&(cleartimeout(this.timeout),this.timeout=!1);var i=this.element,e=this.options,n=this.image,s=this.index,o=this.viewerdata;ct(n,t),e.loading&&ct(this.canvas,e),n.style.csstext="height:0;"+"margin-left:".concat(o.width/2,"px;")+"margin-top:".concat(o.height/2,"px;")+"max-width:none!important;position:absolute;width:0;",this.initimage(function(){ut(n,i,e.movable),ut(n,c,e.transition),t.renderimage(function(){t.viewed=!0,t.viewing=!1,nt(e.viewed)&&wt(i,k,e.viewed,{once:!0}),bt(i,k,{originalimage:t.images[s],index:s,image:n})})})},loadimage:function(t){var o=t.target,i=o.parentnode,a=i.offsetwidth||30,r=i.offsetheight||50,h=!!ft(o,"filled");kt(o,function(t,i){var e=t/i,n=a,s=r;a<r*e?h?n=r*e:s=a/e:h?s=a/e:n=r*e,rt(o,ot({width:n,height:s},yt({translatex:(a-n)/2,translatey:(r-s)/2})))})},keydown:function(t){var i=this.options;if(this.fulled&&i.keyboard)switch(t.keycode||t.which||t.charcode){case 27:this.played?this.stop():i.inline?this.fulled&&this.exit():this.hide();break;case 32:this.played&&this.stop();break;case 37:this.prev(i.loop);break;case 38:t.preventdefault(),this.zoom(i.zoomratio,!0);break;case 39:this.next(i.loop);break;case 40:t.preventdefault(),this.zoom(-i.zoomratio,!0);break;case 48:case 49:t.ctrlkey&&(t.preventdefault(),this.toggle())}},dragstart:function(t){"img"===t.target.tagname.tolowercase()&&t.preventdefault()},pointerdown:function(t){var i=this.options,e=this.pointers,n=t.buttons,s=t.button;if(!(!this.viewed||this.showing||this.viewing||this.hiding||("mousedown"===t.type||"pointerdown"===t.type&&"mouse"===t.pointertype)&&(g(n)&&1!==n||g(s)&&0!==s||t.ctrlkey))){t.preventdefault(),t.changedtouches?st(t.changedtouches,function(t){e[t.identifier]=dt(t)}):e[t.pointerid||0]=dt(t);var o=!!i.movable&&d;i.zoomontouch&&i.zoomable&&1<object.keys(e).length?o=f:i.slideontouch&&("touch"===t.pointertype||"touchstart"===t.type)&&this.isswitchable()&&(o=m),!i.transition||o!==d&&o!==f||ct(this.image,c),this.action=o}},pointermove:function(t){var i=this.pointers,e=this.action;this.viewed&&e&&(t.preventdefault(),t.changedtouches?st(t.changedtouches,function(t){ot(i[t.identifier]||{},dt(t,!0))}):ot(i[t.pointerid||0]||{},dt(t,!0)),this.change(t))},pointerup:function(t){var i,e=this,n=this.options,s=this.action,o=this.pointers;t.changedtouches?st(t.changedtouches,function(t){i=o[t.identifier],delete o[t.identifier]}):(i=o[t.pointerid||0],delete o[t.pointerid||0]),s&&(t.preventdefault(),!n.transition||s!==d&&s!==f||lt(this.image,c),this.action=!1,h&&s!==f&&i&&date.now()-i.timestamp<500&&(cleartimeout(this.clickcanvastimeout),cleartimeout(this.doubleclickimagetimeout),n.toggleondblclick&&this.viewed&&t.target===this.image?this.imageclicked?(this.imageclicked=!1,this.doubleclickimagetimeout=settimeout(function(){bt(e.image,n)},50)):(this.imageclicked=!0,this.doubleclickimagetimeout=settimeout(function(){e.imageclicked=!1},500)):(this.imageclicked=!1,n.backdrop&&"static"!==n.backdrop&&t.target===this.canvas&&(this.clickcanvastimeout=settimeout(function(){bt(e.canvas,l)},50)))))},resize:function(){var i=this;if(this.isshown&&!this.hiding&&(this.initcontainer(),this.initviewer(),this.renderviewer(),this.renderlist(),this.viewed&&this.initimage(function(){i.renderimage()}),this.played)){if(this.options.fullscreen&&this.fulled&&!(document.fullscreenelement||document.webkitfullscreenelement||document.mozfullscreenelement||document.msfullscreenelement))return void this.stop();st(this.player.getelementsbytagname("img"),function(t){wt(t,x,i.loadimage.bind(i),{once:!0}),bt(t,x)})}},wheel:function(t){var i=this;if(this.viewed&&(t.preventdefault(),!this.wheeling)){this.wheeling=!0,settimeout(function(){i.wheeling=!1},50);var e=number(this.options.zoomratio)||.1,n=1;t.deltay?n=0<t.deltay?1:-1:t.wheeldelta?n=-t.wheeldelta/120:t.detail&&(n=0<t.detail?1:-1),this.zoom(-n*e,!0,t)}}},ot={show:function(t){var i=0<arguments.length&&void 0!==t&&t,e=this.element,n=this.options;if(n.inline||this.showing||this.isshown||this.showing)return this;if(!this.ready)return this.build(),this.ready&&this.show(i),this;if(nt(n.show)&&wt(e,h,n.show,{once:!0}),!1===bt(e,h)||!this.ready)return this;this.hiding&&this.transitioning.abort(),this.showing=!0,this.open();var s=this.viewer;if(ct(s,k),n.transition&&!i){var o=this.shown.bind(this);this.transitioning={abort:function(){pt(s,b,o),ct(s,d)}},lt(s,c),s.initialoffsetwidth=s.offsetwidth,wt(s,b,o,{once:!0}),lt(s,d)}else lt(s,d),this.shown();return this},hide:function(){var t=0<arguments.length&&void 0!==arguments[0]&&arguments[0],i=this.element,e=this.options;if(e.inline||this.hiding||!this.isshown&&!this.showing)return this;if(nt(e.hide)&&wt(i,r,e.hide,{once:!0}),!1===bt(i,r))return this;this.showing&&this.transitioning.abort(),this.hiding=!0,this.played?this.stop():this.viewing&&this.viewing.abort();var n=this.viewer;if(e.transition&&!t){var s=this.hidden.bind(this),o=function(){settimeout(function(){wt(n,b,s,{once:!0}),ct(n,d)},0)};this.transitioning={abort:function(){this.viewed?pt(this.image,b,o):pt(n,b,s)}},this.viewed&&ht(this.image,c)?(wt(this.image,b,o,{once:!0}),this.zoomto(0,!1,!1,!0)):o()}else ct(n,d),this.hidden();return this},view:function(t){var n=this,i=0<arguments.length&&void 0!==t?t:this.options.initialviewindex;if(i=number(i)||0,this.hiding||this.played||i<0||i>=this.length||this.viewed&&i===this.index)return this;if(!this.isshown)return this.index=i,this.show();this.viewing&&this.viewing.abort();var e=this.element,s=this.options,o=this.title,a=this.canvas,r=this.items[i],h=r.queryselector("img"),l=ft(h,"originalurl"),c=h.getattribute("alt"),u=document.createelement("img");if(u.src=l,u.alt=c,nt(s.view)&&wt(e,"view",s.view,{once:!0}),!1===bt(e,"view",{originalimage:this.images[i],index:i,image:u})||!this.isshown||this.hiding||this.played)return this;this.image=u,ct(this.items[this.index],g),lt(r,g),this.viewed=!1,this.index=i,this.imagedata={},lt(u,t),s.loading&&lt(a,e),a.innerhtml="",a.appendchild(u),this.renderlist(),o.innerhtml="";function d(){var t,i=n.imagedata,e=array.isarray(s.title)?s.title[1]:s.title;o.innerhtml=_(t=nt(e)?e.call(n,u,i):"".concat(c," (").concat(i.naturalwidth," �� ").concat(i.naturalheight,")"))?t.replace(/&(?!amp;|quot;|#39;|lt;|gt;)/g,"&amp;").replace(/"/g,"&quot;").replace(/'/g,"&#39;").replace(/</g,"&lt;").replace(/>/g,"&gt;"):t}var m;return wt(e,k,d,{once:!0}),this.viewing={abort:function(){pt(e,k,d),u.complete?this.imagerendering?this.imagerendering.abort():this.imageinitializing&&this.imageinitializing.abort():(u.src="",pt(u,x,m),this.timeout&&cleartimeout(this.timeout))}},u.complete?this.load():(wt(u,x,m=this.load.bind(this),{once:!0}),this.timeout&&cleartimeout(this.timeout),this.timeout=settimeout(function(){ct(u,t),n.timeout=!1},1e3)),this},prev:function(t){var i=0<arguments.length&&void 0!==t&&t,e=this.index-1;return e<0&&(e=i?this.length-1:0),this.view(e),this},next:function(t){var i=0<arguments.length&&void 0!==t&&t,e=this.length-1,n=this.index+1;return e<n&&(n=i?0:e),this.view(n),this},move:function(t,i){var e=this.imagedata;return this.moveto(j(t)?t:e.left+number(t),j(i)?i:e.top+number(i)),this},moveto:function(t,i){var e=1<arguments.length&&void 0!==i?i:t,n=this.imagedata;if(t=number(t),e=number(e),this.viewed&&!this.played&&this.options.movable){var s=!1;g(t)&&(n.left=t,s=!0),g(e)&&(n.top=e,s=!0),s&&this.renderimage()}return this},zoom:function(t,i,e){var n=1<arguments.length&&void 0!==i&&i,s=2<arguments.length&&void 0!==e?e:null,o=this.imagedata;return t=(t=number(t))<0?1/(1-t):1+t,this.zoomto(o.width*t/o.naturalwidth,n,s),this},zoomto:function(t,i,e,n){var s,o,a,r,h,l=this,c=1<arguments.length&&void 0!==i&&i,u=2<arguments.length&&void 0!==e?e:null,d=3<arguments.length&&void 0!==n&&n,m=this.element,f=this.options,g=this.pointers,v=this.imagedata,p=v.width,w=v.height,b=v.left,y=v.top,x=v.naturalwidth,k=v.naturalheight;if(g(t=math.max(0,t))&&this.viewed&&!this.played&&(d||f.zoomable)){if(!d){var z=math.max(.01,f.minzoomratio),d=math.min(100,f.maxzoomratio);t=math.min(math.max(t,z),d)}u&&.95<t&&t<1.05&&(t=1);var t=x*t,e=k*t,i=t-p,o=e-w,s=p/x;if(nt(f.zoom)&&wt(m,"zoom",f.zoom,{once:!0}),!1===bt(m,"zoom",{ratio:t,oldratio:s,originalevent:u}))return this;if(this.zooming=!0,u){var c=(r=this.viewer,{left:(h=r.getboundingclientrect()).left+(window.pagexoffset-document.documentelement.clientleft),top:h.top+(window.pageyoffset-document.documentelement.clienttop)}),l=g&&object.keys(g).length?(a=o=s=0,st(g,function(t){var i=t.startx,e=t.starty;s+=i,o+=e,a+=1}),{pagex:s/=a,pagey:o/=a}):{pagex:u.pagex,pagey:u.pagey};v.left-=(l.pagex-c.left-b)/p*i,v.top-=(l.pagey-c.top-y)/w*o}else v.left-=i/2,v.top-=o/2;v.width=t,v.height=e,v.ratio=t,this.renderimage(function(){l.zooming=!1,nt(f.zoomed)&&wt(m,"zoomed",f.zoomed,{once:!0}),bt(m,"zoomed",{ratio:t,oldratio:s,originalevent:u})}),c&&this.tooltip()}return this},rotate:function(t){return this.rotateto((this.imagedata.rotate||0)+number(t)),this},rotateto:function(t){var i=this.imagedata;return g(t=number(t))&&this.viewed&&!this.played&&this.options.rotatable&&(i.rotate=t,this.renderimage()),this},scalex:function(t){return this.scale(t,this.imagedata.scaley),this},scaley:function(t){return this.scale(this.imagedata.scalex,t),this},scale:function(t,i){var e=1<arguments.length&&void 0!==i?i:t,n=this.imagedata;if(t=number(t),e=number(e),this.viewed&&!this.played&&this.options.scalable){var s=!1;g(t)&&(n.scalex=t,s=!0),g(e)&&(n.scaley=e,s=!0),s&&this.renderimage()}return this},play:function(){var i=this,t=0<arguments.length&&void 0!==arguments[0]&&arguments[0];if(!this.isshown||this.played)return this;var s=this.options,o=this.player,a=this.loadimage.bind(this),r=[],h=0,l=0;if(this.played=!0,this.onloadwhenplay=a,t&&this.requestfullscreen(),lt(o,s),st(this.items,function(t,i){var e=t.queryselector("img"),n=document.createelement("img");n.src=ft(e,"originalurl"),n.alt=e.getattribute("alt"),h+=1,lt(n,b),ut(n,c,s.transition),ht(t,g)&&(lt(n,d),l=i),r.push(n),wt(n,x,a,{once:!0}),o.appendchild(n)}),g(s.interval)&&0<s.interval){var e=function t(){i.playing=settimeout(function(){ct(r[l],d),lt(r[l=(l+=1)<h?l:0],d),t()},s.interval)};1<h&&e()}return this},stop:function(){var i=this;if(!this.played)return this;var t=this.player;return this.played=!1,cleartimeout(this.playing),st(t.getelementsbytagname("img"),function(t){pt(t,x,i.onloadwhenplay)}),ct(t,s),t.innerhtml="",this.exitfullscreen(),this},full:function(){var t=this,i=this.options,e=this.viewer,n=this.image,s=this.list;return!this.isshown||this.played||this.fulled||!i.inline||(this.fulled=!0,this.open(),lt(this.button,l),i.transition&&(ct(s,c),this.viewed&&ct(n,c)),lt(e,y),e.setattribute("style",""),rt(e,{zindex:i.zindex}),this.initcontainer(),this.viewerdata=ot({},this.containerdata),this.renderlist(),this.viewed&&this.initimage(function(){t.renderimage(function(){i.transition&&settimeout(function(){lt(n,c),lt(s,c)},0)})})),this},exit:function(){var t=this,i=this.options,e=this.viewer,n=this.image,s=this.list;return this.isshown&&!this.played&&this.fulled&&i.inline&&(this.fulled=!1,this.close(),ct(this.button,l),i.transition&&(ct(s,c),this.viewed&&ct(n,c)),ct(e,y),rt(e,{zindex:i.zindexinline}),this.viewerdata=ot({},this.parentdata),this.renderviewer(),this.renderlist(),this.viewed&&this.initimage(function(){t.renderimage(function(){i.transition&&settimeout(function(){lt(n,c),lt(s,c)},0)})})),this},tooltip:function(){var t=this,i=this.options,e=this.tooltipbox,n=this.imagedata;return this.viewed&&!this.played&&i.tooltip&&(e.textcontent="".concat(math.round(100*n.ratio),"%"),this.tooltipping?cleartimeout(this.tooltipping):i.transition?(this.fading&&bt(e,b),lt(e,s),lt(e,b),lt(e,c),e.initialoffsetwidth=e.offsetwidth,lt(e,d)):lt(e,s),this.tooltipping=settimeout(function(){i.transition?(wt(e,b,function(){ct(e,s),ct(e,b),ct(e,c),t.fading=!1},{once:!0}),ct(e,d),t.fading=!0):ct(e,s),t.tooltipping=!1},1e3)),this},toggle:function(){return 1===this.imagedata.ratio?this.zoomto(this.initialimagedata.ratio,!0):this.zoomto(1,!0),this},reset:function(){return this.viewed&&!this.played&&(this.imagedata=ot({},this.initialimagedata),this.renderimage()),this},update:function(){var t=this.element,i=this.options,e=this.isimg;if(e&&!t.parentnode)return this.destroy();var s=[];if(st(e?[t]:t.queryselectorall("img"),function(t){i.filter?i.filter(t)&&s.push(t):s.push(t)}),!s.length)return this;if(this.images=s,this.length=s.length,this.ready){var o=[];if(st(this.items,function(t,i){var e=t.queryselector("img"),n=s[i];n&&e?n.src!==e.src&&o.push(i):o.push(i)}),rt(this.list,{width:"auto"}),this.initlist(),this.isshown)if(this.length){if(this.viewed){var n=o.indexof(this.index);0<=n?(this.viewed=!1,this.view(math.max(this.index-(n+1),0))):lt(this.items[this.index],g)}}else this.image=null,this.viewed=!1,this.index=0,this.imagedata={},this.canvas.innerhtml="",this.title.innerhtml=""}else this.build();return this},destroy:function(){var t=this.element,i=this.options;return t[p]&&(this.destroyed=!0,this.ready?(this.played&&this.stop(),i.inline?(this.fulled&&this.exit(),this.unbind()):this.isshown?(this.viewing&&(this.imagerendering?this.imagerendering.abort():this.imageinitializing&&this.imageinitializing.abort()),this.hiding&&this.transitioning.abort(),this.hidden()):this.showing&&(this.transitioning.abort(),this.hidden()),this.ready=!1,this.viewer.parentnode.removechild(this.viewer)):i.inline&&(this.delaying?this.delaying.abort():this.initializing&&this.initializing.abort()),i.inline||pt(t,l,this.onstart),t[p]=void 0),this}},st={open:function(){var t=this.body;lt(t,o),t.style.paddingright="".concat(this.scrollbarwidth+(parsefloat(this.initialbodypaddingright)||0),"px")},close:function(){var t=this.body;ct(t,o),t.style.paddingright=this.initialbodypaddingright},shown:function(){var t=this.element,i=this.options;this.fulled=!0,this.isshown=!0,this.render(),this.bind(),this.showing=!1,nt(i.shown)&&wt(t,v,i.shown,{once:!0}),!1!==bt(t,v)&&this.ready&&this.isshown&&!this.hiding&&this.view(this.index)},hidden:function(){var t=this.element,i=this.options;this.fulled=!1,this.viewed=!1,this.isshown=!1,this.close(),this.unbind(),lt(this.viewer,k),this.resetlist(),this.resetimage(),this.hiding=!1,this.destroyed||(nt(i.hidden)&&wt(t,m,i.hidden,{once:!0}),bt(t,m))},requestfullscreen:function(){var t=this.element.ownerdocument;if(this.fulled&&!(t.fullscreenelement||t.webkitfullscreenelement||t.mozfullscreenelement||t.msfullscreenelement)){var i=t.documentelement;i.requestfullscreen?i.requestfullscreen():i.webkitrequestfullscreen?i.webkitrequestfullscreen(element.allow_keyboard_input):i.mozrequestfullscreen?i.mozrequestfullscreen():i.msrequestfullscreen&&i.msrequestfullscreen()}},exitfullscreen:function(){var t=this.element.ownerdocument;this.fulled&&(t.fullscreenelement||t.webkitfullscreenelement||t.mozfullscreenelement||t.msfullscreenelement)&&(t.exitfullscreen?t.exitfullscreen():t.webkitexitfullscreen?t.webkitexitfullscreen():t.mozcancelfullscreen?t.mozcancelfullscreen():t.msexitfullscreen&&t.msexitfullscreen())},change:function(t){var i,e,h,n=this.options,s=this.pointers,o=s[object.keys(s)[0]],a=o.endx-o.startx,r=o.endy-o.starty;switch(this.action){case d:this.move(a,r);break;case f:this.zoom((e=u({},i=s),h=[],st(i,function(r,t){delete e[t],st(e,function(t){var i=math.abs(r.startx-t.startx),e=math.abs(r.starty-t.starty),n=math.abs(r.endx-t.endx),s=math.abs(r.endy-t.endy),o=math.sqrt(i*i+e*e),a=(math.sqrt(n*n+s*s)-o)/o;h.push(a)})}),h.sort(function(t,i){return math.abs(t)<math.abs(i)}),h[0]),!1,t);break;case m:this.action="switched";var l=math.abs(a);1<l&&l>math.abs(r)&&(this.pointers={},1<a?this.prev(n.loop):a<-1&&this.next(n.loop))}st(s,function(t){t.startx=t.endx,t.starty=t.endy})},isswitchable:function(){var t=this.imagedata,i=this.viewerdata;return 1<this.length&&0<=t.left&&0<=t.top&&t.width<=i.width&&t.height<=i.height}},ct=r.viewer,lt=function(){function e(t){var i=1<arguments.length&&void 0!==arguments[1]?arguments[1]:{};if(!function(t,i){if(!(t instanceof i))throw new typeerror("cannot call a class as a function")}(this,e),!t||1!==t.nodetype)throw new error("the first argument is required and must be an element.");this.element=t,this.options=ot({},o,et(i)&&i),this.action=!1,this.fading=!1,this.fulled=!1,this.hiding=!1,this.imageclicked=!1,this.imagedata={},this.index=this.options.initialviewindex,this.isimg=!1,this.isshown=!1,this.length=0,this.played=!1,this.playing=!1,this.pointers={},this.ready=!1,this.showing=!1,this.timeout=!1,this.tooltipping=!1,this.viewed=!1,this.viewing=!1,this.wheeling=!1,this.zooming=!1,this.init()}var t,i,n;return t=e,n=[{key:"noconflict",value:function(){return window.viewer=ct,e}},{key:"setdefaults",value:function(t){ot(o,et(t)&&t)}}],(i=[{key:"init",value:function(){var e=this,t=this.element,n=this.options;if(!t[p]){t[p]=this;var i="img"===t.tagname.tolowercase(),s=[];st(i?[t]:t.queryselectorall("img"),function(t){nt(n.filter)?n.filter.call(e,t)&&s.push(t):s.push(t)}),this.isimg=i,this.length=s.length,this.images=s;var o=t.ownerdocument,a=o.body||o.documentelement;if(this.body=a,this.scrollbarwidth=window.innerwidth-o.documentelement.clientwidth,this.initialbodypaddingright=window.getcomputedstyle(a).paddingright,j(document.createelement(p).style.transition)&&(n.transition=!1),n.inline){var r=0,h=function(){var t;(r+=1)===e.length&&(e.initializing=!1,e.delaying={abort:function(){cleartimeout(t)}},t=settimeout(function(){e.delaying=!1,e.build()},0))};this.initializing={abort:function(){st(s,function(t){t.complete||pt(t,x,h)})}},st(s,function(t){t.complete?h():wt(t,x,h,{once:!0})})}else wt(t,l,this.onstart=function(t){var i=t.target;"img"!==i.tagname.tolowercase()||nt(n.filter)&&!n.filter.call(e,i)||e.view(e.images.indexof(i))})}}},{key:"build",value:function(){if(!this.ready){var t=this.element,h=this.options,i=t.parentnode,e=document.createelement("div");e.innerhtml='<div class="viewer-container" touch-action="none"><div class="viewer-canvas"></div><div class="viewer-footer"><div class="viewer-title"></div><div class="viewer-toolbar"></div><div class="viewer-navbar"><ul class="viewer-list"></ul></div></div><div class="viewer-tooltip"></div><div role="button" class="viewer-button" data-viewer-action="mix"></div><div class="viewer-player"></div></div>';var n=e.queryselector(".".concat(p,"-container")),s=n.queryselector(".".concat(p,"-title")),o=n.queryselector(".".concat(p,"-toolbar")),a=n.queryselector(".".concat(p,"-navbar")),r=n.queryselector(".".concat(p,"-button")),l=n.queryselector(".".concat(p,"-canvas"));if(this.parent=i,this.viewer=n,this.title=s,this.toolbar=o,this.navbar=a,this.button=r,this.canvas=l,this.footer=n.queryselector(".".concat(p,"-footer")),this.tooltipbox=n.queryselector(".".concat(p,"-tooltip")),this.player=n.queryselector(".".concat(p,"-player")),this.list=n.queryselector(".".concat(p,"-list")),lt(s,h.title?zt(array.isarray(h.title)?h.title[0]:h.title):k),lt(a,h.navbar?zt(h.navbar):k),ut(r,k,!h.button),h.backdrop&&(lt(n,"".concat(p,"-backdrop")),h.inline||"static"===h.backdrop||gt(l,u,"hide")),_(h.classname)&&h.classname&&h.classname.split(z).foreach(function(t){lt(n,t)}),h.toolbar){var c=document.createelement("ul"),u=et(h.toolbar),d=$.slice(0,3),m=$.slice(7,9),f=$.slice(9);u||lt(o,zt(h.toolbar)),st(u?h.toolbar:$,function(t,i){var e=u&&et(t),n=u?mt(i):t,s=e&&!j(t.show)?t.show:t;if(s&&(h.zoomable||-1===d.indexof(n))&&(h.rotatable||-1===m.indexof(n))&&(h.scalable||-1===f.indexof(n))){var o=e&&!j(t.size)?t.size:t,a=e&&!j(t.click)?t.click:t,r=document.createelement("li");r.setattribute("role","button"),lt(r,"".concat(p,"-").concat(n)),nt(a)||gt(r,u,n),g(s)&&lt(r,zt(s)),-1!==["small","large"].indexof(o)?lt(r,"".concat(p,"-").concat(o)):"play"===n&&lt(r,"".concat(p,"-large")),nt(a)&&wt(r,l,a),c.appendchild(r)}}),o.appendchild(c)}else lt(o,k);if(!h.rotatable){var g=o.queryselectorall('li[class*="rotate"]');lt(g,t),st(g,function(t){o.appendchild(t)})}if(h.inline)lt(r,x),rt(n,{zindex:h.zindexinline}),"static"===window.getcomputedstyle(i).position&&rt(i,{position:"relative"}),i.insertbefore(n,t.nextsibling);else{lt(r,w),lt(n,y),lt(n,b),lt(n,k),rt(n,{zindex:h.zindex});var v=h.container;_(v)&&(v=t.ownerdocument.queryselector(v)),(v=v||this.body).appendchild(n)}h.inline&&(this.render(),this.bind(),this.isshown=!0),this.ready=!0,nt(h.ready)&&wt(t,w,h.ready,{once:!0}),!1!==bt(t,w)?this.ready&&h.inline&&this.view(this.index):this.ready=!1}}}])&&s(t.prototype,i),n&&s(t,n),e}();if(ot(lt.prototype,tt,et,it,ot,st),c.fn){var nt=c.fn.viewer,qt="viewer";c.fn.viewer=function(r){for(var t=arguments.length,h=new array(1<t?t-1:0),i=1;i<t;i++)h[i-1]=arguments[i];var l;return this.each(function(t,i){var e=c(i),n="destroy"===r,s=e.data(qt);if(!s){if(n)return;var o=c.extend({},e.data(),c.isplainobject(r)&&r);s=new lt(i,o),e.data(qt,s)}if("string"==typeof r){var a=s[r];c.isfunction(a)&&((l=a.apply(s,h))===s&&(l=void 0),n&&e.removedata(qt))}}),void 0!==l?l:this},c.fn.viewer.constructor=lt,c.fn.viewer.setdefaults=lt.setdefaults,c.fn.viewer.noconflict=function(){return c.fn.viewer=nt,this}}});