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reveal.min.js
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reveal.min.js
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/*!
* reveal.js 2.6.1 (2014-03-13, 09:22)
* http://lab.hakim.se/reveal-js
* MIT licensed
*
* Copyright (C) 2014 Hakim El Hattab, http://hakim.se
*/
var Reveal=function(){"use strict";function a(a){if(b(),!ec.transforms2d&&!ec.transforms3d)return document.body.setAttribute("class","no-transforms"),void 0;window.addEventListener("load",A,!1);var d=Reveal.getQueryHash();"undefined"!=typeof d.dependencies&&delete d.dependencies,k(_b,a),k(_b,d),r(),c()}function b(){ec.transforms3d="WebkitPerspective"in document.body.style||"MozPerspective"in document.body.style||"msPerspective"in document.body.style||"OPerspective"in document.body.style||"perspective"in document.body.style,ec.transforms2d="WebkitTransform"in document.body.style||"MozTransform"in document.body.style||"msTransform"in document.body.style||"OTransform"in document.body.style||"transform"in document.body.style,ec.requestAnimationFrameMethod=window.requestAnimationFrame||window.webkitRequestAnimationFrame||window.mozRequestAnimationFrame,ec.requestAnimationFrame="function"==typeof ec.requestAnimationFrameMethod,ec.canvas=!!document.createElement("canvas").getContext,Vb=navigator.userAgent.match(/(iphone|ipod|android)/gi)}function c(){function a(){e.length&&head.js.apply(null,e),d()}function b(b){head.ready(b.src.match(/([\w\d_\-]*)\.?js$|[^\\\/]*$/i)[0],function(){"function"==typeof b.callback&&b.callback.apply(this),0===--f&&a()})}for(var c=[],e=[],f=0,g=0,h=_b.dependencies.length;h>g;g++){var i=_b.dependencies[g];(!i.condition||i.condition())&&(i.async?e.push(i.src):c.push(i.src),b(i))}c.length?(f=c.length,head.js.apply(null,c)):a()}function d(){e(),Q(),h(),cb(),X(!0),setTimeout(function(){dc.slides.classList.remove("no-transition"),ac=!0,t("ready",{indexh:Qb,indexv:Rb,currentSlide:Tb})},1)}function e(){dc.theme=document.querySelector("#theme"),dc.wrapper=document.querySelector(".reveal"),dc.slides=document.querySelector(".reveal .slides"),dc.slides.classList.add("no-transition"),dc.background=f(dc.wrapper,"div","backgrounds",null),dc.progress=f(dc.wrapper,"div","progress","<span></span>"),dc.progressbar=dc.progress.querySelector("span"),f(dc.wrapper,"aside","controls",'<div class="navigate-left"></div><div class="navigate-right"></div><div class="navigate-up"></div><div class="navigate-down"></div>'),dc.slideNumber=f(dc.wrapper,"div","slide-number",""),f(dc.wrapper,"div","state-background",null),f(dc.wrapper,"div","pause-overlay",null),dc.controls=document.querySelector(".reveal .controls"),dc.controlsLeft=l(document.querySelectorAll(".navigate-left")),dc.controlsRight=l(document.querySelectorAll(".navigate-right")),dc.controlsUp=l(document.querySelectorAll(".navigate-up")),dc.controlsDown=l(document.querySelectorAll(".navigate-down")),dc.controlsPrev=l(document.querySelectorAll(".navigate-prev")),dc.controlsNext=l(document.querySelectorAll(".navigate-next"))}function f(a,b,c,d){var e=a.querySelector("."+c);return e||(e=document.createElement(b),e.classList.add(c),null!==d&&(e.innerHTML=d),a.appendChild(e)),e}function g(){function a(a,b){var c={background:a.getAttribute("data-background"),backgroundSize:a.getAttribute("data-background-size"),backgroundImage:a.getAttribute("data-background-image"),backgroundColor:a.getAttribute("data-background-color"),backgroundRepeat:a.getAttribute("data-background-repeat"),backgroundPosition:a.getAttribute("data-background-position"),backgroundTransition:a.getAttribute("data-background-transition")},d=document.createElement("div");return d.className="slide-background",c.background&&(/^(http|file|\/\/)/gi.test(c.background)||/\.(svg|png|jpg|jpeg|gif|bmp)$/gi.test(c.background)?d.style.backgroundImage="url("+c.background+")":d.style.background=c.background),(c.background||c.backgroundColor||c.backgroundImage)&&d.setAttribute("data-background-hash",c.background+c.backgroundSize+c.backgroundImage+c.backgroundColor+c.backgroundRepeat+c.backgroundPosition+c.backgroundTransition),c.backgroundSize&&(d.style.backgroundSize=c.backgroundSize),c.backgroundImage&&(d.style.backgroundImage='url("'+c.backgroundImage+'")'),c.backgroundColor&&(d.style.backgroundColor=c.backgroundColor),c.backgroundRepeat&&(d.style.backgroundRepeat=c.backgroundRepeat),c.backgroundPosition&&(d.style.backgroundPosition=c.backgroundPosition),c.backgroundTransition&&d.setAttribute("data-background-transition",c.backgroundTransition),b.appendChild(d),d}q()&&document.body.classList.add("print-pdf"),dc.background.innerHTML="",dc.background.classList.add("no-transition"),l(document.querySelectorAll(Yb)).forEach(function(b){var c;c=q()?a(b,b):a(b,dc.background),l(b.querySelectorAll("section")).forEach(function(b){q()?a(b,b):a(b,c)})}),_b.parallaxBackgroundImage?(dc.background.style.backgroundImage='url("'+_b.parallaxBackgroundImage+'")',dc.background.style.backgroundSize=_b.parallaxBackgroundSize,setTimeout(function(){dc.wrapper.classList.add("has-parallax-background")},1)):(dc.background.style.backgroundImage="",dc.wrapper.classList.remove("has-parallax-background"))}function h(a){var b=document.querySelectorAll(Xb).length;if(dc.wrapper.classList.remove(_b.transition),"object"==typeof a&&k(_b,a),ec.transforms3d===!1&&(_b.transition="linear"),dc.wrapper.classList.add(_b.transition),dc.wrapper.setAttribute("data-transition-speed",_b.transitionSpeed),dc.wrapper.setAttribute("data-background-transition",_b.backgroundTransition),dc.controls.style.display=_b.controls?"block":"none",dc.progress.style.display=_b.progress?"block":"none",_b.rtl?dc.wrapper.classList.add("rtl"):dc.wrapper.classList.remove("rtl"),_b.center?dc.wrapper.classList.add("center"):dc.wrapper.classList.remove("center"),_b.mouseWheel?(document.addEventListener("DOMMouseScroll",Bb,!1),document.addEventListener("mousewheel",Bb,!1)):(document.removeEventListener("DOMMouseScroll",Bb,!1),document.removeEventListener("mousewheel",Bb,!1)),_b.rollingLinks?u():v(),_b.previewLinks?w():(x(),w("[data-preview-link]")),b>1&&_b.autoSlide&&_b.autoSlideStoppable&&ec.canvas&&ec.requestAnimationFrame?(Wb=new Pb(dc.wrapper,function(){return 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document&&(a="webkitvisibilitychange"),a&&document.addEventListener(a,Lb,!1)}["touchstart","click"].forEach(function(a){dc.controlsLeft.forEach(function(b){b.addEventListener(a,Db,!1)}),dc.controlsRight.forEach(function(b){b.addEventListener(a,Eb,!1)}),dc.controlsUp.forEach(function(b){b.addEventListener(a,Fb,!1)}),dc.controlsDown.forEach(function(b){b.addEventListener(a,Gb,!1)}),dc.controlsPrev.forEach(function(b){b.addEventListener(a,Hb,!1)}),dc.controlsNext.forEach(function(b){b.addEventListener(a,Ib,!1)})})}function 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k(a,b){for(var c in b)a[c]=b[c]}function l(a){return Array.prototype.slice.call(a)}function m(a,b){var c=a.x-b.x,d=a.y-b.y;return Math.sqrt(c*c+d*d)}function n(a,b){a.style.WebkitTransform=b,a.style.MozTransform=b,a.style.msTransform=b,a.style.OTransform=b,a.style.transform=b}function o(a){var b=0;if(a){var c=0;l(a.childNodes).forEach(function(a){"number"==typeof a.offsetTop&&a.style&&("absolute"===a.style.position&&(c+=1),b=Math.max(b,a.offsetTop+a.offsetHeight))}),0===c&&(b=a.offsetHeight)}return b}function p(a,b){if(b=b||0,a){var c=a.parentNode,d=c.childNodes;l(d).forEach(function(c){if("number"==typeof c.offsetHeight&&c!==a){var d=window.getComputedStyle(c),e=parseInt(d.marginTop,10),f=parseInt(d.marginBottom,10);b-=c.offsetHeight+e+f}});var e=window.getComputedStyle(a);b-=parseInt(e.marginTop,10)+parseInt(e.marginBottom,10)}return b}function q(){return/print-pdf/gi.test(window.location.search)}function 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b=l(document.querySelectorAll(a?a:"a"));b.forEach(function(a){/^(http|www)/gi.test(a.getAttribute("href"))&&a.addEventListener("click",Nb,!1)})}function x(){var a=l(document.querySelectorAll("a"));a.forEach(function(a){/^(http|www)/gi.test(a.getAttribute("href"))&&a.removeEventListener("click",Nb,!1)})}function y(a){z(),dc.preview=document.createElement("div"),dc.preview.classList.add("preview-link-overlay"),dc.wrapper.appendChild(dc.preview),dc.preview.innerHTML=["<header>",'<a class="close" href="#"><span class="icon"></span></a>','<a class="external" href="'+a+'" target="_blank"><span class="icon"></span></a>',"</header>",'<div class="spinner"></div>','<div class="viewport">','<iframe src="'+a+'"></iframe>',"</div>"].join(""),dc.preview.querySelector("iframe").addEventListener("load",function(){dc.preview.classList.add("loaded")},!1),dc.preview.querySelector(".close").addEventListener("click",function(a){z(),a.preventDefault()},!1),dc.preview.querySelector(".external").addEventListener("click",function(){z()},!1),setTimeout(function(){dc.preview.classList.add("visible")},1)}function z(){dc.preview&&(dc.preview.setAttribute("src",""),dc.preview.parentNode.removeChild(dc.preview),dc.preview=null)}function A(){if(dc.wrapper&&!q()){var a=dc.wrapper.offsetWidth,b=dc.wrapper.offsetHeight;a-=b*_b.margin,b-=b*_b.margin;var c=_b.width,d=_b.height,e=20;B(_b.width,_b.height,e),"string"==typeof c&&/%$/.test(c)&&(c=parseInt(c,10)/100*a),"string"==typeof d&&/%$/.test(d)&&(d=parseInt(d,10)/100*b),dc.slides.style.width=c+"px",dc.slides.style.height=d+"px",cc=Math.min(a/c,b/d),cc=Math.max(cc,_b.minScale),cc=Math.min(cc,_b.maxScale),"undefined"==typeof dc.slides.style.zoom||navigator.userAgent.match(/(iphone|ipod|ipad|android)/gi)?n(dc.slides,"translate(-50%, -50%) scale("+cc+") translate(50%, 50%)"):dc.slides.style.zoom=cc;for(var f=l(document.querySelectorAll(Xb)),g=0,h=f.length;h>g;g++){var i=f[g];"none"!==i.style.display&&(i.style.top=_b.center||i.classList.contains("center")?i.classList.contains("stack")?0:Math.max(-(o(i)/2)-e,-d/2)+"px":"")}U(),Y()}}function B(a,b,c){l(dc.slides.querySelectorAll("section > .stretch")).forEach(function(d){var e=p(d,b-2*c);if(/(img|video)/gi.test(d.nodeName)){var f=d.naturalWidth||d.videoWidth,g=d.naturalHeight||d.videoHeight,h=Math.min(a/f,e/g);d.style.width=f*h+"px",d.style.height=g*h+"px"}else d.style.width=a+"px",d.style.height=e+"px"})}function C(a,b){"object"==typeof a&&"function"==typeof a.setAttribute&&a.setAttribute("data-previous-indexv",b||0)}function D(a){if("object"==typeof a&&"function"==typeof a.setAttribute&&a.classList.contains("stack")){var b=a.hasAttribute("data-start-indexv")?"data-start-indexv":"data-previous-indexv";return parseInt(a.getAttribute(b)||0,10)}return 0}function E(){if(_b.overview){kb();var a=dc.wrapper.classList.contains("overview"),b=window.innerWidth<400?1e3:2500;dc.wrapper.classList.add("overview"),dc.wrapper.classList.remove("overview-deactivating"),clearTimeout(hc),clearTimeout(ic),hc=setTimeout(function(){for(var c=document.querySelectorAll(Yb),d=0,e=c.length;e>d;d++){var f=c[d],g=_b.rtl?-105:105;if(f.setAttribute("data-index-h",d),n(f,"translateZ(-"+b+"px) translate("+(d-Qb)*g+"%, 0%)"),f.classList.contains("stack"))for(var h=f.querySelectorAll("section"),i=0,j=h.length;j>i;i++){var k=d===Qb?Rb:D(f),l=h[i];l.setAttribute("data-index-h",d),l.setAttribute("data-index-v",i),n(l,"translate(0%, "+105*(i-k)+"%)"),l.addEventListener("click",Mb,!0)}else f.addEventListener("click",Mb,!0)}T(),A(),a||t("overviewshown",{indexh:Qb,indexv:Rb,currentSlide:Tb})},10)}}function F(){_b.overview&&(clearTimeout(hc),clearTimeout(ic),dc.wrapper.classList.remove("overview"),dc.wrapper.classList.add("overview-deactivating"),ic=setTimeout(function(){dc.wrapper.classList.remove("overview-deactivating")},1),l(document.querySelectorAll(Xb)).forEach(function(a){n(a,""),a.removeEventListener("click",Mb,!0)}),O(Qb,Rb),jb(),t("overviewhidden",{indexh:Qb,indexv:Rb,currentSlide:Tb}))}function G(a){"boolean"==typeof a?a?E():F():H()?F():E()}function H(){return dc.wrapper.classList.contains("overview")}function I(a){return a=a?a:Tb,a&&a.parentNode&&!!a.parentNode.nodeName.match(/section/i)}function J(){var a=document.body,b=a.requestFullScreen||a.webkitRequestFullscreen||a.webkitRequestFullScreen||a.mozRequestFullScreen||a.msRequestFullScreen;b&&b.apply(a)}function K(){var a=dc.wrapper.classList.contains("paused");kb(),dc.wrapper.classList.add("paused"),a===!1&&t("paused")}function L(){var a=dc.wrapper.classList.contains("paused");dc.wrapper.classList.remove("paused"),jb(),a&&t("resumed")}function M(){N()?L():K()}function N(){return dc.wrapper.classList.contains("paused")}function O(a,b,c,d){Sb=Tb;var e=document.querySelectorAll(Yb);void 0===b&&(b=D(e[a])),Sb&&Sb.parentNode&&Sb.parentNode.classList.contains("stack")&&C(Sb.parentNode,Rb);var f=bc.concat();bc.length=0;var g=Qb||0,h=Rb||0;Qb=S(Yb,void 0===a?Qb:a),Rb=S(Zb,void 0===b?Rb:b),T(),A();a:for(var i=0,j=bc.length;j>i;i++){for(var k=0;k<f.length;k++)if(f[k]===bc[i]){f.splice(k,1);continue a}document.documentElement.classList.add(bc[i]),t(bc[i])}for(;f.length;)document.documentElement.classList.remove(f.pop());H()&&E();var m=e[Qb],n=m.querySelectorAll("section");Tb=n[Rb]||m,"undefined"!=typeof c&&gb(c);var o=Qb!==g||Rb!==h;o?t("slidechanged",{indexh:Qb,indexv:Rb,previousSlide:Sb,currentSlide:Tb,origin:d}):Sb=null,Sb&&(Sb.classList.remove("present"),document.querySelector($b).classList.contains("present")&&setTimeout(function(){var a,b=l(document.querySelectorAll(Yb+".stack"));for(a in b)b[a]&&C(b[a],0)},0)),o&&(ab(Sb),_(Tb)),W(),U(),X(),Y(),V(),db(),jb()}function P(){j(),i(),A(),kc=_b.autoSlide,jb(),g(),R(),W(),U(),X(!0),V()}function Q(){var a=l(document.querySelectorAll(Yb));a.forEach(function(a){var b=l(a.querySelectorAll("section"));b.forEach(function(a,b){b>0&&(a.classList.remove("present"),a.classList.remove("past"),a.classList.add("future"))})})}function R(){var a=l(document.querySelectorAll(Yb));a.forEach(function(a){var b=l(a.querySelectorAll("section"));b.forEach(function(a){fb(a.querySelectorAll(".fragment"))}),0===b.length&&fb(a.querySelectorAll(".fragment"))})}function S(a,b){var 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g=c[f],h=l(g.querySelectorAll("section")),i=h.length;if(a=Math.abs((Qb-f)%(d-e))||0,g.style.display=a>e?"none":"block",i)for(var j=D(g),k=0;i>k;k++){var m=h[k];b=f===Qb?Math.abs(Rb-k):Math.abs(k-j),m.style.display=a+b>e?"none":"block"}}}}function U(){if(_b.progress&&dc.progress){var a=l(document.querySelectorAll(Yb)),b=document.querySelectorAll(Xb+":not(.stack)").length,c=0;a:for(var d=0;d<a.length;d++){for(var e=a[d],f=l(e.querySelectorAll("section")),g=0;g<f.length;g++){if(f[g].classList.contains("present"))break a;c++}if(e.classList.contains("present"))break;e.classList.contains("stack")===!1&&c++}dc.progressbar.style.width=c/(b-1)*window.innerWidth+"px"}}function V(){if(_b.slideNumber&&dc.slideNumber){var a=Qb;Rb>0&&(a+=" - "+Rb),dc.slideNumber.innerHTML=a}}function W(){var 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