8 lines
72 KiB
JavaScript
8 lines
72 KiB
JavaScript
/*!
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* reveal.js 4.0.0-dev (Mon Mar 16 2020)
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* https://revealjs.com
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* MIT licensed
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*
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* Copyright (C) 2020 Hakim El Hattab, https://hakim.se
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*/
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!function(e){var t={};function i(a){if(t[a])return t[a].exports;var s=t[a]={i:a,l:!1,exports:{}};return e[a].call(s.exports,s,s.exports,i),s.l=!0,s.exports}i.m=e,i.c=t,i.d=function(e,t,a){i.o(e,t)||Object.defineProperty(e,t,{enumerable:!0,get:a})},i.r=function(e){"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(e,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(e,"__esModule",{value:!0})},i.t=function(e,t){if(1&t&&(e=i(e)),8&t)return e;if(4&t&&"object"==typeof e&&e&&e.__esModule)return e;var a=Object.create(null);if(i.r(a),Object.defineProperty(a,"default",{enumerable:!0,value:e}),2&t&&"string"!=typeof e)for(var s in e)i.d(a,s,function(t){return e[t]}.bind(null,s));return a},i.n=function(e){var t=e&&e.__esModule?function(){return e.default}:function(){return e};return i.d(t,"a",t),t},i.o=function(e,t){return Object.prototype.hasOwnProperty.call(e,t)},i.p="",i(i.s=0)}([function(e,t,i){"use strict";i.r(t);const a=/registerPlugin|registerKeyboardShortcut|addKeyBinding|addEventListener/,s=(e,t)=>{for(let i in t)e[i]=t[i];return e},n=e=>Array.prototype.slice.call(e),r=e=>{if("string"==typeof e){if("null"===e)return null;if("true"===e)return!0;if("false"===e)return!1;if(e.match(/^-?[\d\.]+$/))return parseFloat(e)}return e},o=(e,t)=>{e.style.transform=t},l=(e,t)=>{let i=e.parentNode;for(;i;){let e=i.matches||i.matchesSelector||i.msMatchesSelector;if(e&&e.call(i,t))return i;i=i.parentNode}return null},d=(e,t,i,a="")=>{let s=e.querySelectorAll("."+i);for(let t=0;t<s.length;t++){let i=s[t];if(i.parentNode===e)return i}let n=document.createElement(t);return n.className=i,n.innerHTML=a,e.appendChild(n),n},c=e=>{let t=document.createElement("style");return t.type="text/css",e&&e.length>0&&(t.styleSheet?t.styleSheet.cssText=e:t.appendChild(document.createTextNode(e))),document.head.appendChild(t),t},u=()=>{let e={};location.search.replace(/[A-Z0-9]+?=([\w\.%-]*)/gi,t=>{e[t.split("=").shift()]=t.split("=").pop()});for(let t in e){let i=e[t];e[t]=r(unescape(i))}return void 0!==e.dependencies&&delete e.dependencies,e},h=navigator.userAgent,g=document.createElement("div"),p=/(iphone|ipod|ipad|android)/gi.test(h)||"MacIntel"===navigator.platform&&navigator.maxTouchPoints>1,v=/chrome/i.test(h)&&!/edge/i.test(h),f=/android/gi.test(h),m="zoom"in g.style&&!p&&(v||/Version\/[\d\.]+.*Safari/.test(h));class b{constructor(e){this.Reveal=e}shouldPreload(e){let t=this.Reveal.getConfig().preloadIframes;return"boolean"!=typeof t&&(t=e.hasAttribute("data-preload")),t}load(e,t={}){e.style.display=this.Reveal.getConfig().display,n(e.querySelectorAll("img[data-src], video[data-src], audio[data-src], iframe[data-src]")).forEach(e=>{("IFRAME"!==e.tagName||this.shouldPreload(e))&&(e.setAttribute("src",e.getAttribute("data-src")),e.setAttribute("data-lazy-loaded",""),e.removeAttribute("data-src"))}),n(e.querySelectorAll("video, audio")).forEach(e=>{let t=0;n(e.querySelectorAll("source[data-src]")).forEach(e=>{e.setAttribute("src",e.getAttribute("data-src")),e.removeAttribute("data-src"),e.setAttribute("data-lazy-loaded",""),t+=1}),t>0&&e.load()});let i=e.slideBackgroundElement;if(i){i.style.display="block";let a=e.slideBackgroundContentElement,s=e.getAttribute("data-background-iframe");if(!1===i.hasAttribute("data-loaded")){i.setAttribute("data-loaded","true");let n=e.getAttribute("data-background-image"),r=e.getAttribute("data-background-video"),o=e.hasAttribute("data-background-video-loop"),l=e.hasAttribute("data-background-video-muted");if(n)a.style.backgroundImage="url("+encodeURI(n)+")";else if(r&&!this.Reveal.isSpeakerNotes()){let e=document.createElement("video");o&&e.setAttribute("loop",""),l&&(e.muted=!0),p&&(e.muted=!0,e.autoplay=!0,e.setAttribute("playsinline","")),r.split(",").forEach(t=>{e.innerHTML+='<source src="'+t+'">'}),a.appendChild(e)}else if(s&&!0!==t.excludeIframes){let e=document.createElement("iframe");e.setAttribute("allowfullscreen",""),e.setAttribute("mozallowfullscreen",""),e.setAttribute("webkitallowfullscreen",""),e.setAttribute("allow","autoplay"),e.setAttribute("data-src",s),e.style.width="100%",e.style.height="100%",e.style.maxHeight="100%",e.style.maxWidth="100%",a.appendChild(e)}}let n=a.querySelector("iframe[data-src]");n&&this.shouldPreload(i)&&!/autoplay=(1|true|yes)/gi.test(s)&&n.getAttribute("src")!==s&&n.setAttribute("src",s)}}unload(e){e.style.display="none";let t=this.Reveal.getSlideBackground(e);t&&(t.style.display="none",n(t.querySelectorAll("iframe[src]")).forEach(e=>{e.removeAttribute("src")})),n(e.querySelectorAll("video[data-lazy-loaded][src], audio[data-lazy-loaded][src], iframe[data-lazy-loaded][src]")).forEach(e=>{e.setAttribute("data-src",e.getAttribute("src")),e.removeAttribute("src")}),n(e.querySelectorAll("video[data-lazy-loaded] source[src], audio source[src]")).forEach(e=>{e.setAttribute("data-src",e.getAttribute("src")),e.removeAttribute("src")})}formatEmbeddedContent(){let e=(e,t,i)=>{n(this.Reveal.getSlidesElement().querySelectorAll("iframe["+e+'*="'+t+'"]')).forEach(t=>{let a=t.getAttribute(e);a&&-1===a.indexOf(i)&&t.setAttribute(e,a+(/\?/.test(a)?"&":"?")+i)})};e("src","youtube.com/embed/","enablejsapi=1"),e("data-src","youtube.com/embed/","enablejsapi=1"),e("src","player.vimeo.com/","api=1"),e("data-src","player.vimeo.com/","api=1")}startEmbeddedContent(e){e&&!this.Reveal.isSpeakerNotes()&&(n(e.querySelectorAll('img[src$=".gif"]')).forEach(e=>{e.setAttribute("src",e.getAttribute("src"))}),n(e.querySelectorAll("video, audio")).forEach(e=>{if(l(e,".fragment")&&!l(e,".fragment.visible"))return;let t=this.Reveal.getConfig().autoPlayMedia;if("boolean"!=typeof t&&(t=e.hasAttribute("data-autoplay")||!!l(e,".slide-background")),t&&"function"==typeof e.play)if(e.readyState>1)this.startEmbeddedMedia({target:e});else if(p){let t=e.play();t&&"function"==typeof t.catch&&!1===e.controls&&t.catch(()=>{e.controls=!0,e.addEventListener("play",()=>{e.controls=!1})})}else e.removeEventListener("loadeddata",this.startEmbeddedMedia),e.addEventListener("loadeddata",this.startEmbeddedMedia)}),n(e.querySelectorAll("iframe[src]")).forEach(e=>{l(e,".fragment")&&!l(e,".fragment.visible")||this.startEmbeddedIframe({target:e})}),n(e.querySelectorAll("iframe[data-src]")).forEach(e=>{l(e,".fragment")&&!l(e,".fragment.visible")||e.getAttribute("src")!==e.getAttribute("data-src")&&(e.removeEventListener("load",this.startEmbeddedIframe),e.addEventListener("load",this.startEmbeddedIframe),e.setAttribute("src",e.getAttribute("data-src")))}))}startEmbeddedMedia(e){let t=!!l(e.target,"html"),i=!!l(e.target,".present");t&&i&&(e.target.currentTime=0,e.target.play()),e.target.removeEventListener("loadeddata",this.startEmbeddedMedia)}startEmbeddedIframe(e){let t=e.target;if(t&&t.contentWindow){let i=!!l(e.target,"html"),a=!!l(e.target,".present");if(i&&a){let e=this.Reveal.getConfig().autoPlayMedia;"boolean"!=typeof e&&(e=t.hasAttribute("data-autoplay")||!!l(t,".slide-background")),/youtube\.com\/embed\//.test(t.getAttribute("src"))&&e?t.contentWindow.postMessage('{"event":"command","func":"playVideo","args":""}',"*"):/player\.vimeo\.com\//.test(t.getAttribute("src"))&&e?t.contentWindow.postMessage('{"method":"play"}',"*"):t.contentWindow.postMessage("slide:start","*")}}}stopEmbeddedContent(e,t={}){t=s({unloadIframes:!0},t),e&&e.parentNode&&(n(e.querySelectorAll("video, audio")).forEach(e=>{e.hasAttribute("data-ignore")||"function"!=typeof e.pause||(e.setAttribute("data-paused-by-reveal",""),e.pause())}),n(e.querySelectorAll("iframe")).forEach(e=>{e.contentWindow&&e.contentWindow.postMessage("slide:stop","*"),e.removeEventListener("load",this.startEmbeddedIframe)}),n(e.querySelectorAll('iframe[src*="youtube.com/embed/"]')).forEach(e=>{!e.hasAttribute("data-ignore")&&e.contentWindow&&"function"==typeof e.contentWindow.postMessage&&e.contentWindow.postMessage('{"event":"command","func":"pauseVideo","args":""}',"*")}),n(e.querySelectorAll('iframe[src*="player.vimeo.com/"]')).forEach(e=>{!e.hasAttribute("data-ignore")&&e.contentWindow&&"function"==typeof e.contentWindow.postMessage&&e.contentWindow.postMessage('{"method":"pause"}',"*")}),!0===t.unloadIframes&&n(e.querySelectorAll("iframe[data-src]")).forEach(e=>{e.setAttribute("src","about:blank"),e.removeAttribute("src")}))}}class y{constructor(e){this.Reveal=e}createElement(){this.element=document.createElement("div"),this.element.className="slide-number",this.Reveal.getRevealElement().appendChild(this.element)}refreshVisibility(){let e=this.Reveal.getConfig(),t="none";e.slideNumber&&!this.Reveal.isPrintingPDF()&&("all"===e.showSlideNumber||"speaker"===e.showSlideNumber&&this.Reveal.isSpeakerNotes())&&(t="block"),this.element.style.display=t}update(){this.Reveal.getConfig().slideNumber&&this.element&&(this.element.innerHTML=this.getSlideNumber())}getSlideNumber(e=this.Reveal.getCurrentSlide()){let t,i=this.Reveal.getConfig(),a="h.v";if("function"==typeof i.slideNumber)t=i.slideNumber(e);else switch("string"==typeof i.slideNumber&&(a=i.slideNumber),/c/.test(a)||1!==this.Reveal.getHorizontalSlides().length||(a="c"),t=[],a){case"c":t.push(this.Reveal.getSlidePastCount(e)+1);break;case"c/t":t.push(this.Reveal.getSlidePastCount(e)+1,"/",this.Reveal.getTotalSlides());break;default:let i=this.Reveal.getIndices(e);t.push(i.h+1);let s="h/v"===a?"/":".";this.Reveal.isVerticalSlide(e)&&t.push(s,i.v+1)}let s="#"+this.Reveal.location.getHash(e);return this.formatNumber(t[0],t[1],t[2],s)}formatNumber(e,t,i,a="#"+this.Reveal.location.getHash()){return"number"!=typeof i||isNaN(i)?`<a href="${a}">\n\t\t\t\t\t<span class="slide-number-a">${e}</span>\n\t\t\t\t\t</a>`:`<a href="${a}">\n\t\t\t\t\t<span class="slide-number-a">${e}</span>\n\t\t\t\t\t<span class="slide-number-delimiter">${t}</span>\n\t\t\t\t\t<span class="slide-number-b">${i}</span>\n\t\t\t\t\t</a>`}}const A=e=>{let t=e.match(/^#([0-9a-f]{3})$/i);if(t&&t[1])return t=t[1],{r:17*parseInt(t.charAt(0),16),g:17*parseInt(t.charAt(1),16),b:17*parseInt(t.charAt(2),16)};let i=e.match(/^#([0-9a-f]{6})$/i);if(i&&i[1])return i=i[1],{r:parseInt(i.substr(0,2),16),g:parseInt(i.substr(2,2),16),b:parseInt(i.substr(4,2),16)};let a=e.match(/^rgb\s*\(\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*\)$/i);if(a)return{r:parseInt(a[1],10),g:parseInt(a[2],10),b:parseInt(a[3],10)};let s=e.match(/^rgba\s*\(\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*\,\s*([\d]+|[\d]*.[\d]+)\s*\)$/i);return s?{r:parseInt(s[1],10),g:parseInt(s[2],10),b:parseInt(s[3],10),a:parseFloat(s[4])}:null};class w{constructor(e){this.Reveal=e}create(){this.Reveal.isPrintingPDF();let e=this.Reveal.getBackgroundsElement();e.innerHTML="",e.classList.add("no-transition"),this.Reveal.getHorizontalSlides().forEach(t=>{let i=this.createBackground(t,e);n(t.querySelectorAll("section")).forEach(e=>{this.createBackground(e,i),i.classList.add("stack")})}),this.Reveal.getConfig().parallaxBackgroundImage?(e.style.backgroundImage='url("'+this.Reveal.getConfig().parallaxBackgroundImage+'")',e.style.backgroundSize=this.Reveal.getConfig().parallaxBackgroundSize,e.style.backgroundRepeat=this.Reveal.getConfig().parallaxBackgroundRepeat,e.style.backgroundPosition=this.Reveal.getConfig().parallaxBackgroundPosition,setTimeout(()=>{this.Reveal.getRevealElement().classList.add("has-parallax-background")},1)):(e.style.backgroundImage="",this.Reveal.getRevealElement().classList.remove("has-parallax-background"))}createBackground(e,t){let i=document.createElement("div");i.className="slide-background "+e.className.replace(/present|past|future/,"");let a=document.createElement("div");return a.className="slide-background-content",i.appendChild(a),t.appendChild(i),e.slideBackgroundElement=i,e.slideBackgroundContentElement=a,this.sync(e),i}sync(e){let t=e.slideBackgroundElement,i=e.slideBackgroundContentElement;e.classList.remove("has-dark-background"),e.classList.remove("has-light-background"),t.removeAttribute("data-loaded"),t.removeAttribute("data-background-hash"),t.removeAttribute("data-background-size"),t.removeAttribute("data-background-transition"),t.style.backgroundColor="",i.style.backgroundSize="",i.style.backgroundRepeat="",i.style.backgroundPosition="",i.style.backgroundImage="",i.style.opacity="",i.innerHTML="";let a={background:e.getAttribute("data-background"),backgroundSize:e.getAttribute("data-background-size"),backgroundImage:e.getAttribute("data-background-image"),backgroundVideo:e.getAttribute("data-background-video"),backgroundIframe:e.getAttribute("data-background-iframe"),backgroundColor:e.getAttribute("data-background-color"),backgroundRepeat:e.getAttribute("data-background-repeat"),backgroundPosition:e.getAttribute("data-background-position"),backgroundTransition:e.getAttribute("data-background-transition"),backgroundOpacity:e.getAttribute("data-background-opacity")};a.background&&(/^(http|file|\/\/)/gi.test(a.background)||/\.(svg|png|jpg|jpeg|gif|bmp)([?#\s]|$)/gi.test(a.background)?e.setAttribute("data-background-image",a.background):t.style.background=a.background),(a.background||a.backgroundColor||a.backgroundImage||a.backgroundVideo||a.backgroundIframe)&&t.setAttribute("data-background-hash",a.background+a.backgroundSize+a.backgroundImage+a.backgroundVideo+a.backgroundIframe+a.backgroundColor+a.backgroundRepeat+a.backgroundPosition+a.backgroundTransition+a.backgroundOpacity),a.backgroundSize&&t.setAttribute("data-background-size",a.backgroundSize),a.backgroundColor&&(t.style.backgroundColor=a.backgroundColor),a.backgroundTransition&&t.setAttribute("data-background-transition",a.backgroundTransition),e.hasAttribute("data-preload")&&t.setAttribute("data-preload",""),a.backgroundSize&&(i.style.backgroundSize=a.backgroundSize),a.backgroundRepeat&&(i.style.backgroundRepeat=a.backgroundRepeat),a.backgroundPosition&&(i.style.backgroundPosition=a.backgroundPosition),a.backgroundOpacity&&(i.style.opacity=a.backgroundOpacity);let s=a.backgroundColor;if(!s){let e=window.getComputedStyle(t);e&&e.backgroundColor&&(s=e.backgroundColor)}if(s){let t=A(s);t&&0!==t.a&&("string"==typeof(n=s)&&(n=A(n)),(n?(299*n.r+587*n.g+114*n.b)/1e3:null)<128?e.classList.add("has-dark-background"):e.classList.add("has-light-background"))}var n}update(e=!1){let t=this.Reveal.getCurrentSlide(),i=this.Reveal.getBackgroundsElement(),a=this.Reveal.getIndices(),s=null,r=this.Reveal.getConfig().rtl?"future":"past",o=this.Reveal.getConfig().rtl?"past":"future";if(n(i.childNodes).forEach((t,i)=>{t.classList.remove("past","present","future"),i<a.h?t.classList.add(r):i>a.h?t.classList.add(o):(t.classList.add("present"),s=t),(e||i===a.h)&&n(t.querySelectorAll(".slide-background")).forEach((e,t)=>{e.classList.remove("past","present","future"),t<a.v?e.classList.add("past"):t>a.v?e.classList.add("future"):(e.classList.add("present"),i===a.h&&(s=e))})}),this.previousBackground&&this.Reveal.slideContent.stopEmbeddedContent(this.previousBackground,{unloadIframes:!this.Reveal.slideContent.shouldPreload(this.previousBackground)}),s){this.Reveal.slideContent.startEmbeddedContent(s);let e=s.querySelector(".slide-background-content");if(e){let t=e.style.backgroundImage||"";/\.gif/i.test(t)&&(e.style.backgroundImage="",window.getComputedStyle(e).opacity,e.style.backgroundImage=t)}let t=this.previousBackground?this.previousBackground.getAttribute("data-background-hash"):null,a=s.getAttribute("data-background-hash");a&&a===t&&s!==this.previousBackground&&i.classList.add("no-transition"),this.previousBackground=s}t&&["has-light-background","has-dark-background"].forEach(e=>{t.classList.contains(e)?this.Reveal.getRevealElement().classList.add(e):this.Reveal.getRevealElement().classList.remove(e)},this),setTimeout(()=>{i.classList.remove("no-transition")},1)}updateParallax(){let e=this.Reveal.getBackgroundsElement(),t=this.Reveal.getIndices();if(this.Reveal.getConfig().parallaxBackgroundImage){let i,a,s=this.Reveal.getHorizontalSlides(),n=this.Reveal.getVerticalSlides(),r=e.style.backgroundSize.split(" ");1===r.length?i=a=parseInt(r[0],10):(i=parseInt(r[0],10),a=parseInt(r[1],10));let o,l,d=e.offsetWidth,c=s.length;o="number"==typeof this.Reveal.getConfig().parallaxBackgroundHorizontal?this.Reveal.getConfig().parallaxBackgroundHorizontal:c>1?(i-d)/(c-1):0,l=o*t.h*-1;let u,h,g=e.offsetHeight,p=n.length;u="number"==typeof this.Reveal.getConfig().parallaxBackgroundVertical?this.Reveal.getConfig().parallaxBackgroundVertical:(a-g)/(p-1),h=p>0?u*t.v:0,e.style.backgroundPosition=l+"px "+-h+"px"}}}class S{constructor(e){this.Reveal=e,this.autoAnimateCounter=0}run(e,t){if(this.reset(),e.hasAttribute("data-auto-animate")&&t.hasAttribute("data-auto-animate")){this.autoAnimateStyleSheet=this.autoAnimateStyleSheet||c();let i=this.getAutoAnimateOptions(t);e.dataset.autoAnimate="pending",t.dataset.autoAnimate="pending";let a=this.getAutoAnimatableElements(e,t).map(e=>this.getAutoAnimateCSS(e.from,e.to,e.options||{},i,this.autoAnimateCounter++));"false"!==t.dataset.autoAnimateUnmatched&&!0===this.Reveal.getConfig().autoAnimateUnmatched&&(this.getUnmatchedAutoAnimateElements(t).forEach(e=>{e.dataset.autoAnimateTarget="unmatched"}),a.push(`[data-auto-animate="running"] [data-auto-animate-target="unmatched"] { transition: opacity ${.8*i.duration}s ease ${.2*i.duration}s; }`)),this.autoAnimateStyleSheet.innerHTML=a.join(""),requestAnimationFrame(()=>{this.autoAnimateStyleSheet&&(getComputedStyle(this.autoAnimateStyleSheet).fontWeight,t.dataset.autoAnimate="running")}),this.Reveal.dispatchEvent({type:"autoanimate",data:{fromSlide:e,toSlide:t,sheet:this.autoAnimateStyleSheet}})}}reset(){n(this.Reveal.getRevealElement().querySelectorAll('[data-auto-animate]:not([data-auto-animate=""])')).forEach(e=>{e.dataset.autoAnimate=""}),n(this.Reveal.getRevealElement().querySelectorAll("[data-auto-animate-target]")).forEach(e=>{delete e.dataset.autoAnimateTarget}),this.autoAnimateStyleSheet&&this.autoAnimateStyleSheet.parentNode&&(this.autoAnimateStyleSheet.parentNode.removeChild(this.autoAnimateStyleSheet),this.autoAnimateStyleSheet=null)}getAutoAnimateCSS(e,t,i,a,s){e.dataset.autoAnimateTarget="",t.dataset.autoAnimateTarget=s;let n=this.getAutoAnimateOptions(t,a);void 0!==i.delay&&(n.delay=i.delay),void 0!==i.duration&&(n.duration=i.duration),void 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