fa23-si/dist/reveal.esm.js

10 lines
87 KiB
JavaScript

/*!
* reveal.js 4.3.0
* https://revealjs.com
* MIT licensed
*
* Copyright (C) 2011-2022 Hakim El Hattab, https://hakim.se
*/
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a?{r:parseInt(a[1],10),g:parseInt(a[2],10),b:parseInt(a[3],10),a:parseFloat(a[4])}:null};class A{constructor(e){this.Reveal=e}render(){this.element=document.createElement("div"),this.element.className="backgrounds",this.Reveal.getRevealElement().appendChild(this.element)}create(){this.element.innerHTML="",this.element.classList.add("no-transition"),this.Reveal.getHorizontalSlides().forEach((e=>{let i=this.createBackground(e,this.element);t(e,"section").forEach((e=>{this.createBackground(e,i),i.classList.add("stack")}))})),this.Reveal.getConfig().parallaxBackgroundImage?(this.element.style.backgroundImage='url("'+this.Reveal.getConfig().parallaxBackgroundImage+'")',this.element.style.backgroundSize=this.Reveal.getConfig().parallaxBackgroundSize,this.element.style.backgroundRepeat=this.Reveal.getConfig().parallaxBackgroundRepeat,this.element.style.backgroundPosition=this.Reveal.getConfig().parallaxBackgroundPosition,setTimeout((()=>{this.Reveal.getRevealElement().classList.add("has-parallax-background")}),1)):(this.element.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 s=document.createElement("div");return s.className="slide-background-content",i.appendChild(s),t.appendChild(i),e.slideBackgroundElement=i,e.slideBackgroundContentElement=s,this.sync(e),i}sync(e){const 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n=s.backgroundColor;if(!n||!S(n)){let e=window.getComputedStyle(t);e&&e.backgroundColor&&(n=e.backgroundColor)}if(n){const t=S(n);t&&0!==t.a&&("string"==typeof(r=n)&&(r=S(r)),(r?(299*r.r+587*r.g+114*r.b)/1e3:null)<128?e.classList.add("has-dark-background"):e.classList.add("has-light-background"))}var r}update(e=!1){let i=this.Reveal.getCurrentSlide(),s=this.Reveal.getIndices(),a=null,n=this.Reveal.getConfig().rtl?"future":"past",r=this.Reveal.getConfig().rtl?"past":"future";if(Array.from(this.element.childNodes).forEach(((i,o)=>{i.classList.remove("past","present","future"),o<s.h?i.classList.add(n):o>s.h?i.classList.add(r):(i.classList.add("present"),a=i),(e||o===s.h)&&t(i,".slide-background").forEach(((e,t)=>{e.classList.remove("past","present","future"),t<s.v?e.classList.add("past"):t>s.v?e.classList.add("future"):(e.classList.add("present"),o===s.h&&(a=e))}))})),this.previousBackground&&this.Reveal.slideContent.stopEmbeddedContent(this.previousBackground,{unloadIframes:!this.Reveal.slideContent.shouldPreload(this.previousBackground)}),a){this.Reveal.slideContent.startEmbeddedContent(a);let e=a.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,i=a.getAttribute("data-background-hash");i&&i===t&&a!==this.previousBackground&&this.element.classList.add("no-transition"),this.previousBackground=a}i&&["has-light-background","has-dark-background"].forEach((e=>{i.classList.contains(e)?this.Reveal.getRevealElement().classList.add(e):this.Reveal.getRevealElement().classList.remove(e)}),this),setTimeout((()=>{this.element.classList.remove("no-transition")}),1)}updateParallax(){let e=this.Reveal.getIndices();if(this.Reveal.getConfig().parallaxBackgroundImage){let t,i,s=this.Reveal.getHorizontalSlides(),a=this.Reveal.getVerticalSlides(),n=this.element.style.backgroundSize.split(" ");1===n.length?t=i=parseInt(n[0],10):(t=parseInt(n[0],10),i=parseInt(n[1],10));let r,o,l=this.element.offsetWidth,d=s.length;r="number"==typeof 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