8 lines
20 KiB
JavaScript
8 lines
20 KiB
JavaScript
/*!
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* reveal.js 2.4.0 (2013-04-11, 09:16)
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* http://lab.hakim.se/reveal-js
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* MIT licensed
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*
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* Copyright (C) 2013 Hakim El Hattab, http://hakim.se
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*/
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var Reveal=function(){"use strict";function e(e){return qt||At?(window.addEventListener("load",g,!1),l(gt,e),n(),r(),void 0):(document.body.setAttribute("class","no-transforms"),void 0)}function t(){if(St.theme=document.querySelector("#theme"),St.wrapper=document.querySelector(".reveal"),St.slides=document.querySelector(".reveal .slides"),!St.wrapper.querySelector(".progress")){var e=document.createElement("div");e.classList.add("progress"),e.innerHTML="<span></span>",St.wrapper.appendChild(e)}if(!St.wrapper.querySelector(".controls")){var t=document.createElement("aside");t.classList.add("controls"),t.innerHTML='<div class="navigate-left"></div><div class="navigate-right"></div><div class="navigate-up"></div><div class="navigate-down"></div>',St.wrapper.appendChild(t)}if(!St.wrapper.querySelector(".state-background")){var n=document.createElement("div");n.classList.add("state-background"),St.wrapper.appendChild(n)}if(!St.wrapper.querySelector(".pause-overlay")){var r=document.createElement("div");r.classList.add("pause-overlay"),St.wrapper.appendChild(r)}St.progress=document.querySelector(".reveal .progress"),St.progressbar=document.querySelector(".reveal .progress span"),gt.controls&&(St.controls=document.querySelector(".reveal .controls"),St.controlsLeft=d(document.querySelectorAll(".navigate-left")),St.controlsRight=d(document.querySelectorAll(".navigate-right")),St.controlsUp=d(document.querySelectorAll(".navigate-up")),St.controlsDown=d(document.querySelectorAll(".navigate-down")),St.controlsPrev=d(document.querySelectorAll(".navigate-prev")),St.controlsNext=d(document.querySelectorAll(".navigate-next")))}function n(){/iphone|ipod|android/gi.test(navigator.userAgent)&&!/crios/gi.test(navigator.userAgent)&&(window.addEventListener("load",v,!1),window.addEventListener("orientationchange",v,!1))}function r(){function e(){n.length&&head.js.apply(null,n),o()}for(var t=[],n=[],r=0,s=gt.dependencies.length;s>r;r++){var a=gt.dependencies[r];(!a.condition||a.condition())&&(a.async?n.push(a.src):t.push(a.src),"function"==typeof a.callback&&head.ready(a.src.match(/([\w\d_\-]*)\.?js$|[^\\\/]*$/i)[0],a.callback))}t.length?(head.ready(e),head.js.apply(null,t)):e()}function o(){t(),s(),O(),setTimeout(function(){f("ready",{indexh:wt,indexv:Lt,currentSlide:vt})},1)}function s(e){if(St.wrapper.classList.remove(gt.transition),"object"==typeof e&&l(gt,e),At===!1&&(gt.transition="linear"),St.wrapper.classList.add(gt.transition),St.wrapper.setAttribute("data-transition-speed",gt.transitionSpeed),St.controls&&(St.controls.style.display=gt.controls&&St.controls?"block":"none"),St.progress&&(St.progress.style.display=gt.progress&&St.progress?"block":"none"),gt.rtl?St.wrapper.classList.add("rtl"):St.wrapper.classList.remove("rtl"),gt.center?St.wrapper.classList.add("center"):St.wrapper.classList.remove("center"),gt.mouseWheel?(document.addEventListener("DOMMouseScroll",et,!1),document.addEventListener("mousewheel",et,!1)):(document.removeEventListener("DOMMouseScroll",et,!1),document.removeEventListener("mousewheel",et,!1)),gt.rollingLinks?p():m(),gt.theme&&St.theme){var t=St.theme.getAttribute("href"),n=/[^\/]*?(?=\.css)/,r=t.match(n)[0];gt.theme!==r&&(t=t.replace(n,gt.theme),St.theme.setAttribute("href",t))}a()}function a(){c(),i(),g(),yt=gt.autoSlide,H()}function i(){Dt=!0,window.addEventListener("hashchange",ct,!1),window.addEventListener("resize",lt,!1),gt.touch&&(St.wrapper.addEventListener("touchstart",Z,!1),St.wrapper.addEventListener("touchmove",Q,!1),St.wrapper.addEventListener("touchend",V,!1),window.navigator.msPointerEnabled&&(St.wrapper.addEventListener("MSPointerDown",B,!1),St.wrapper.addEventListener("MSPointerMove",G,!1),St.wrapper.addEventListener("MSPointerUp",J,!1))),gt.keyboard&&document.addEventListener("keydown",$,!1),gt.progress&&St.progress&&St.progress.addEventListener("click",tt,!1),gt.controls&&St.controls&&["touchstart","click"].forEach(function(e){St.controlsLeft.forEach(function(t){t.addEventListener(e,nt,!1)}),St.controlsRight.forEach(function(t){t.addEventListener(e,rt,!1)}),St.controlsUp.forEach(function(t){t.addEventListener(e,ot,!1)}),St.controlsDown.forEach(function(t){t.addEventListener(e,st,!1)}),St.controlsPrev.forEach(function(t){t.addEventListener(e,at,!1)}),St.controlsNext.forEach(function(t){t.addEventListener(e,it,!1)})})}function c(){Dt=!1,document.removeEventListener("keydown",$,!1),window.removeEventListener("hashchange",ct,!1),window.removeEventListener("resize",lt,!1),St.wrapper.removeEventListener("touchstart",Z,!1),St.wrapper.removeEventListener("touchmove",Q,!1),St.wrapper.removeEventListener("touchend",V,!1),window.navigator.msPointerEnabled&&(St.wrapper.removeEventListener("MSPointerDown",B,!1),St.wrapper.removeEventListener("MSPointerMove",G,!1),St.wrapper.removeEventListener("MSPointerUp",J,!1)),gt.progress&&St.progress&&St.progress.removeEventListener("click",tt,!1),gt.controls&&St.controls&&["touchstart","click"].forEach(function(e){St.controlsLeft.forEach(function(t){t.removeEventListener(e,nt,!1)}),St.controlsRight.forEach(function(t){t.removeEventListener(e,rt,!1)}),St.controlsUp.forEach(function(t){t.removeEventListener(e,ot,!1)}),St.controlsDown.forEach(function(t){t.removeEventListener(e,st,!1)}),St.controlsPrev.forEach(function(t){t.removeEventListener(e,at,!1)}),St.controlsNext.forEach(function(t){t.removeEventListener(e,it,!1)})})}function l(e,t){for(var n in t)e[n]=t[n]}function d(e){return Array.prototype.slice.call(e)}function u(e,t){var n=e.x-t.x,r=e.y-t.y;return Math.sqrt(n*n+r*r)}function v(){0===window.orientation?(document.documentElement.style.overflow="scroll",document.body.style.height="120%"):(document.documentElement.style.overflow="",document.body.style.height="100%"),setTimeout(function(){window.scrollTo(0,1)},10)}function f(e,t){var n=document.createEvent("HTMLEvents",1,2);n.initEvent(e,!0,!0),l(n,t),St.wrapper.dispatchEvent(n)}function p(){if(At&&!("msPerspective"in document.body.style))for(var e=document.querySelectorAll(ft+" a:not(.image)"),t=0,n=e.length;n>t;t++){var r=e[t];if(!(!r.textContent||r.querySelector("*")||r.className&&r.classList.contains(r,"roll"))){var o=document.createElement("span");o.setAttribute("data-title",r.text),o.innerHTML=r.innerHTML,r.classList.add("roll"),r.innerHTML="",r.appendChild(o)}}}function m(){for(var e=document.querySelectorAll(ft+" a.roll"),t=0,n=e.length;n>t;t++){var r=e[t],o=r.querySelector("span");o&&(r.classList.remove("roll"),r.innerHTML=o.innerHTML)}}function h(e){var t=d(e);return t.forEach(function(e,t){e.hasAttribute("data-fragment-index")||e.setAttribute("data-fragment-index",t)}),t.sort(function(e,t){return e.getAttribute("data-fragment-index")-t.getAttribute("data-fragment-index")}),t}function g(){if(St.wrapper){var e=St.wrapper.offsetWidth,t=St.wrapper.offsetHeight;e-=t*gt.margin,t-=t*gt.margin;var n=gt.width,r=gt.height;if("string"==typeof n&&/%$/.test(n)&&(n=parseInt(n,10)/100*e),"string"==typeof r&&/%$/.test(r)&&(r=parseInt(r,10)/100*t),St.slides.style.width=n+"px",St.slides.style.height=r+"px",Et=Math.min(e/n,t/r),Et=Math.max(Et,gt.minScale),Et=Math.min(Et,gt.maxScale),void 0===St.slides.style.zoom||navigator.userAgent.match(/(iphone|ipod|ipad|android)/gi)){var o="translate(-50%, -50%) scale("+Et+") translate(50%, 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r=e[t];r.style.display="",r.style.WebkitTransform="",r.style.MozTransform="",r.style.msTransform="",r.style.OTransform="",r.style.transform="",r.removeEventListener("click",dt,!0)}M(wt,Lt),H(),f("overviewhidden",{indexh:wt,indexv:Lt,currentSlide:vt})}}function E(e){"boolean"==typeof e?e?L():b():S()?b():L()}function S(){return St.wrapper.classList.contains("overview")}function A(){var e=document.body,t=e.requestFullScreen||e.webkitRequestFullScreen||e.mozRequestFullScreen||e.msRequestFullScreen;t&&t.apply(e)}function q(){var e=St.wrapper.classList.contains("paused");z(),St.wrapper.classList.add("paused"),e===!1&&f("paused")}function T(){var e=St.wrapper.classList.contains("paused");St.wrapper.classList.remove("paused"),H(),e&&f("resumed")}function k(){x()?T():q()}function x(){return St.wrapper.classList.contains("paused")}function M(e,t,n,r){ut=vt;var o=document.querySelectorAll(pt);void 0===t&&(t=w(o[e])),ut&&ut.parentNode&&ut.parentNode.classList.contains("stack")&&y(ut.parentNode,Lt);var s=bt.concat();bt.length=0;var a=wt,i=Lt;wt=P(pt,void 0===e?wt:e),Lt=P(mt,void 0===t?Lt:t),g();e:for(var c=0,l=bt.length;l>c;c++){for(var u=0;s.length>u;u++)if(s[u]===bt[c]){s.splice(u,1);continue e}document.documentElement.classList.add(bt[c]),f(bt[c])}for(;s.length;)document.documentElement.classList.remove(s.pop());S()&&L(),Y(1500);var v=o[wt],p=v.querySelectorAll("section");if(vt=p[Lt]||v,n!==void 0){var m=h(vt.querySelectorAll(".fragment"));d(m).forEach(function(e,t){n>t?e.classList.add("visible"):e.classList.remove("visible")})}wt!==a||Lt!==i?f("slidechanged",{indexh:wt,indexv:Lt,previousSlide:ut,currentSlide:vt,origin:r}):ut=null,ut&&(ut.classList.remove("present"),document.querySelector(ht).classList.contains("present")&&setTimeout(function(){var e,t=d(document.querySelectorAll(pt+".stack"));for(e in t)t[e]&&y(t[e],0)},0)),N(),D()}function P(e,t){var n=d(document.querySelectorAll(e)),r=n.length;if(r){gt.loop&&(t%=r,0>t&&(t=r+t)),t=Math.max(Math.min(t,r-1),0);for(var o=0;r>o;o++){var s=n[o];if(S()===!1){var a=Math.abs((t-o)%(r-3))||0;s.style.display=a>3?"none":"block"}n[o].classList.remove("past"),n[o].classList.remove("present"),n[o].classList.remove("future"),t>o?n[o].classList.add("past"):o>t&&n[o].classList.add("future"),s.querySelector("section")&&n[o].classList.add("stack")}n[t].classList.add("present");var i=n[t].getAttribute("data-state");i&&(bt=bt.concat(i.split(" ")));var c=n[t].getAttribute("data-autoslide");yt=c?parseInt(c,10):gt.autoSlide}else t=0;return t}function D(){if(gt.progress&&St.progress){var e=d(document.querySelectorAll(pt)),t=document.querySelectorAll(ft+":not(.stack)").length,n=0;e:for(var r=0;e.length>r;r++){for(var o=e[r],s=d(o.querySelectorAll("section")),a=0;s.length>a;a++){if(s[a].classList.contains("present"))break 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e=h(document.querySelectorAll(mt+".present .fragment:not(.visible)"));if(e.length)return e[0].classList.add("visible"),f("fragmentshown",{fragment:e[0]}),!0}else{var t=h(document.querySelectorAll(pt+".present .fragment:not(.visible)"));if(t.length)return t[0].classList.add("visible"),f("fragmentshown",{fragment:t[0]}),!0}return!1}function R(){if(document.querySelector(mt+".present")){var e=h(document.querySelectorAll(mt+".present .fragment.visible"));if(e.length)return e[e.length-1].classList.remove("visible"),f("fragmenthidden",{fragment:e[e.length-1]}),!0}else{var t=h(document.querySelectorAll(pt+".present .fragment.visible"));if(t.length)return t[t.length-1].classList.remove("visible"),f("fragmenthidden",{fragment:t[t.length-1]}),!0}return!1}function H(){clearTimeout(kt),!yt||x()||S()||(kt=setTimeout(K,yt))}function z(){clearTimeout(kt)}function U(){C().left&&(S()||R()===!1)&&M(wt-1)}function W(){C().right&&(S()||I()===!1)&&M(wt+1)}function 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o=t-Nt.startX,s=n-Nt.startY;o>Nt.threshold&&Math.abs(o)>Math.abs(s)?(Nt.handled=!0,U()):-Nt.threshold>o&&Math.abs(o)>Math.abs(s)?(Nt.handled=!0,W()):s>Nt.threshold?(Nt.handled=!0,F()):-Nt.threshold>s&&(Nt.handled=!0,_()),e.preventDefault()}}}function V(){Nt.handled=!1}function B(e){e.pointerType===e.MSPOINTER_TYPE_TOUCH&&(e.touches=[{clientX:e.clientX,clientY:e.clientY}],Z(e))}function G(e){e.pointerType===e.MSPOINTER_TYPE_TOUCH&&(e.touches=[{clientX:e.clientX,clientY:e.clientY}],Q(e))}function J(e){e.pointerType===e.MSPOINTER_TYPE_TOUCH&&(e.touches=[{clientX:e.clientX,clientY:e.clientY}],V(e))}function et(e){clearTimeout(Tt),Tt=setTimeout(function(){var t=e.detail||-e.wheelDelta;t>0?K():j()},100)}function tt(e){e.preventDefault();var t=d(document.querySelectorAll(pt)).length,n=Math.floor(e.clientX/St.wrapper.offsetWidth*t);M(n)}function nt(e){e.preventDefault(),U()}function rt(e){e.preventDefault(),W()}function ot(e){e.preventDefault(),F()}function 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document.body.style||"OPerspective"in document.body.style||"perspective"in document.body.style,qt="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,Tt=0,kt=0,xt=0,Mt=0,Pt=0,Dt=!1,Nt={startX:0,startY:0,startSpan:0,startCount:0,handled:!1,threshold:80};return{initialize:e,configure:s,slide:M,left:U,right:W,up:F,down:_,prev:j,next:K,prevFragment:R,nextFragment:I,navigateTo:M,navigateLeft:U,navigateRight:W,navigateUp:F,navigateDown:_,navigatePrev:j,navigateNext:K,layout:g,availableRoutes:C,toggleOverview:E,togglePause:k,isOverview:S,isPaused:x,addEventListeners:i,removeEventListeners:c,getIndices:X,getSlide:function(e,t){var n=document.querySelectorAll(pt)[e],r=n&&n.querySelectorAll("section");return t!==void 0?r?r[t]:void 0:n},getPreviousSlide:function(){return ut},getCurrentSlide:function(){return vt},getScale:function(){return Et},getConfig:function(){return gt},getCurrentFragmentIndex:function(){if(vt){var e=vt.querySelectorAll(".fragment.visible");if(e.length)return e.length}},getQueryHash:function(){var e={};return location.search.replace(/[A-Z0-9]+?=(\w*)/gi,function(t){e[t.split("=").shift()]=t.split("=").pop()}),e},isFirstSlide:function(){return null==document.querySelector(ft+".past")?!0:!1},isLastSlide:function(){return vt&&vt.classList.contains(".stack")?null==vt.querySelector(ft+".future")?!0:!1:null==document.querySelector(ft+".future")?!0:!1},addEventListener:function(e,t,n){"addEventListener"in window&&(St.wrapper||document.querySelector(".reveal")).addEventListener(e,t,n)},removeEventListener:function(e,t,n){"addEventListener"in window&&(St.wrapper||document.querySelector(".reveal")).removeEventListener(e,t,n)}}}(); |