/*!
 * Viewer.js v1.0.0-beta.1
 * https://github.com/fengyuanchen/viewerjs
 *
 * Copyright (c) 2015-2017 Chen Fengyuan
 * Released under the MIT license
 *
 * Date: 2017-12-23T04:31:53.438Z
 */
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i=t.querySelector("img"),o=s[e];o?o.src!==i.src&&n.push(e):n.push(e)}),l(this.list,{width:"auto"}),this.initList(),this.visible))if(this.length){if(this.viewed){var o=n.indexOf(this.index);o>=0?(this.viewed=!1,this.view(Math.max(this.index-(o+1),0))):d(this.items[this.index],S)}}else this.image=null,this.viewed=!1,this.index=0,this.imageData=null,x(this.canvas),x(this.title);return this},destroy:function(){var t=this.element;return g(t,T)?(this.options.inline?this.unbind():(this.visible&&this.unbind(),w(t,B,this.onStart)),this.close(),this.unbuild(),function(t,e){if(n(t[e]))try{delete t[e]}catch(i){t[e]=null}else if(t.dataset)try{delete t.dataset[e]}catch(i){t.dataset[e]=null}else t.removeAttribute("data-"+v(e))}(t,T),this):this}},ut={open:function(){var t=this.body;d(t,W),t.style.paddingRight=this.scrollbarWidth+(parseFloat(this.initialBodyPaddingRight)||0)+"px"},close:function(){var t=this.body;t&&(m(t,W),t.style.paddingRight=this.initialBodyPaddingRight)},shown:function(){var t=this.element,e=this.options;this.transitioning=!1,this.fulled=!0,this.visible=!0,this.render(),this.bind(),o(e.shown)&&b(t,"shown",e.shown,{once:!0}),y(t,"shown")},hidden:function(){var t=this.element,e=this.options;this.transitioning=!1,this.viewed=!1,this.fulled=!1,this.visible=!1,this.close(),this.unbind(),d(this.viewer,q),this.resetList(),this.resetImage(),o(e.hidden)&&b(t,"hidden",e.hidden,{once:!0}),y(t,"hidden")},requestFullscreen:function(){var t=window.document;if(this.fulled&&!t.fullscreenElement&&!t.mozFullScreenElement&&!t.webkitFullscreenElement&&!t.msFullscreenElement){var e=t.documentElement;e.requestFullscreen?e.requestFullscreen():e.msRequestFullscreen?e.msRequestFullscreen():e.mozRequestFullScreen?e.mozRequestFullScreen():e.webkitRequestFullscreen&&e.webkitRequestFullscreen(Element.ALLOW_KEYBOARD_INPUT)}},exitFullscreen:function(){this.fulled&&(document.exitFullscreen?document.exitFullscreen():document.msExitFullscreen?document.msExitFullscreen():document.mozCancelFullScreen?document.mozCancelFullScreen():document.webkitExitFullscreen&&document.webkitExitFullscreen())},change:function(t){var e=this.options,i=this.pointers,n=i[Object.keys(i)[0]],s=n.endX-n.startX,o=n.endY-n.startY;switch(this.action){case C:this.move(s,o);break;case"zoom":this.zoom(function(t){var e=r({},t),i=[];return a(t,function(t,n){delete e[n],a(e,function(e){var n=Math.abs(t.startX-e.startX),s=Math.abs(t.startY-e.startY),o=Math.abs(t.endX-e.endX),a=Math.abs(t.endY-e.endY),r=Math.sqrt(n*n+s*s),h=(Math.sqrt(o*o+a*a)-r)/r;i.push(h)})}),i.sort(function(t,e){return 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s="img"===e.tagName.toLowerCase(),r=[];a(s?[e]:e.querySelectorAll("img"),function(t){n.filter?n.filter(t)&&r.push(t):r.push(t)});var l=r.length;if(l){o(n.ready)&&b(e,"ready",n.ready,{once:!0}),i(document.createElement(T).style.transition)&&(n.transition=!1),this.isImg=s,this.length=l,this.count=0,this.images=r;var u=document.body||document.documentElement;if(this.body=u,this.scrollbarWidth=window.innerWidth-document.documentElement.clientWidth,this.initialBodyPaddingRight=c(u).paddingRight,n.inline){var d=h(this.progress,this);b(e,"ready",function(){t.view()},{once:!0}),a(r,function(t){t.complete?d():b(t,H,d,{once:!0})})}else b(e,B,this.onStart=h(this.start,this))}}}},{key:"progress",value:function(){this.count+=1,this.count===this.length&&this.build()}},{key:"build",value:function(){var t=this.options,n=this.element;if(!this.ready){var r=n.parentNode,h=document.createElement("div");h.innerHTML='<div class="viewer-container"><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-action="mix"></div><div class="viewer-player"></div></div>';var u=h.querySelector(".viewer-container"),m=u.querySelector(".viewer-title"),g=u.querySelector(".viewer-toolbar"),w=u.querySelector(".viewer-navbar"),x=u.querySelector(".viewer-button"),E=u.querySelector(".viewer-canvas");if(this.parent=r,this.viewer=u,this.title=m,this.toolbar=g,this.navbar=w,this.button=x,this.canvas=E,this.footer=u.querySelector(".viewer-footer"),this.tooltipBox=u.querySelector(".viewer-tooltip"),this.player=u.querySelector(".viewer-player"),this.list=u.querySelector(".viewer-list"),d(m,t.title?k(t.title):q),d(w,t.navbar?k(t.navbar):q),f(x,q,!t.button),t.backdrop&&(d(u,T+"-backdrop"),t.inline||!0!==t.backdrop||p(E,"action","hide")),t.toolbar){var D=document.createElement("ul"),z=s(t.toolbar),I=_.slice(0,3),C=_.slice(7,9),S=_.slice(9);z||d(g,k(t.toolbar)),a(z?t.toolbar:_,function(n,a){var r=z&&s(n),h=z?v(a):n,l=r&&!i(n.show)?n.show:n;if(l&&(t.zoomable||-1===I.indexOf(h))&&(t.rotatable||-1===C.indexOf(h))&&(t.scalable||-1===S.indexOf(h))){var c=r&&!i(n.size)?n.size:n,u=r&&!i(n.click)?n.click:n,m=document.createElement("li");m.setAttribute("role","button"),d(m,T+"-"+h),o(u)||p(m,"action",h),e(l)&&d(m,k(l)),-1!==["small","large"].indexOf(c)?d(m,T+"-"+c):"play"===h&&d(m,T+"-large"),o(u)&&b(m,B,u),D.appendChild(m)}}),g.appendChild(D)}else d(g,q);if(!t.rotatable){var Y=g.querySelectorAll('li[class*="rotate"]');d(Y,R),a(Y,function(t){g.appendChild(t)})}t.inline?(d(x,"viewer-fullscreen"),l(u,{zIndex:t.zIndexInline}),"static"===c(r).position&&l(r,{position:"relative"}),r.insertBefore(u,n.nextSibling)):(d(x,"viewer-close"),d(u,N),d(u,L),d(u,q),l(u,{zIndex:t.zIndex}),this.body.appendChild(u)),t.inline&&(this.render(),this.bind(),this.visible=!0),this.ready=!0,y(n,"ready")}}},{key:"unbuild",value:function(){this.ready&&(this.ready=!1,this.viewer.parentNode.removeChild(this.viewer))}}],[{key:"noConflict",value:function(){return window.Viewer=dt,t}},{key:"setDefaults",value:function(t){r(z,s(t)&&t)}}]),t}();return r(mt.prototype,rt,ht,lt,ct,ut),mt});