8 lines
18 KiB
JavaScript
8 lines
18 KiB
JavaScript
/*!
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* reveal.js 2.3 (2013-02-13, 18:00)
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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){if(!d&&!p){document.body.setAttribute("class","no-transforms");return}window.addEventListener("load",H,!1),A(i,e),x(),T()}function S(){h.theme=document.querySelector("#theme"),h.wrapper=document.querySelector(".reveal"),h.slides=document.querySelector(".reveal .slides");if(!h.wrapper.querySelector(".progress")&&i.progress){var e=document.createElement("div");e.classList.add("progress"),e.innerHTML="<span></span>",h.wrapper.appendChild(e)}if(!h.wrapper.querySelector(".controls")&&i.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>',h.wrapper.appendChild(t)}if(!h.wrapper.querySelector(".state-background")){var n=document.createElement("div");n.classList.add("state-background"),h.wrapper.appendChild(n)}if(!h.wrapper.querySelector(".pause-overlay")){var r=document.createElement("div");r.classList.add("pause-overlay"),h.wrapper.appendChild(r)}h.progress=document.querySelector(".reveal .progress"),h.progressbar=document.querySelector(".reveal .progress span"),i.controls&&(h.controls=document.querySelector(".reveal .controls"),h.controlsLeft=O(document.querySelectorAll(".navigate-left")),h.controlsRight=O(document.querySelectorAll(".navigate-right")),h.controlsUp=O(document.querySelectorAll(".navigate-up")),h.controlsDown=O(document.querySelectorAll(".navigate-down")),h.controlsPrev=O(document.querySelectorAll(".navigate-prev")),h.controlsNext=O(document.querySelectorAll(".navigate-next")))}function x(){/iphone|ipod|android/gi.test(navigator.userAgent)&&!/crios/gi.test(navigator.userAgent)&&(window.addEventListener("load",_,!1),window.addEventListener("orientationchange",_,!1))}function T(){function o(){t.length&&head.js.apply(null,t),N()}var e=[],t=[];for(var n=0,r=i.dependencies.length;n<r;n++){var s=i.dependencies[n];if(!s.condition||s.condition())s.async?t.push(s.src):e.push(s.src),typeof s.callback=="function"&&head.ready(s.src.match(/([\w\d_\-]*)\.?js$|[^\\\/]*$/i)[0],s.callback)}e.length?(head.ready(o),head.js.apply(null,e)):o()}function N(){S(),k(),C(),H(),Y(),rt(),setTimeout(function(){D("ready",{indexh:o,indexv:u,currentSlide:f})},1)}function C(){p===!1&&(i.transition="linear"),i.controls&&h.controls&&(h.controls.style.display="block"),i.progress&&h.progress&&(h.progress.style.display="block"),i.transition!=="default"&&h.wrapper.classList.add(i.transition),i.rtl&&h.wrapper.classList.add("rtl"),i.center&&h.wrapper.classList.add("center"),i.mouseWheel&&(document.addEventListener("DOMMouseScroll",vt,!1),document.addEventListener("mousewheel",vt,!1)),i.rollingLinks&&P();if(i.theme&&h.theme){var e=h.theme.getAttribute("href"),t=/[^\/]*?(?=\.css)/,n=e.match(t)[0];i.theme!==n&&(e=e.replace(t,i.theme),h.theme.setAttribute("href",e))}}function k(){window.addEventListener("hashchange",xt,!1),window.addEventListener("resize",Tt,!1),i.touch&&(document.addEventListener("touchstart",ht,!1),document.addEventListener("touchmove",pt,!1),document.addEventListener("touchend",dt,!1)),i.keyboard&&document.addEventListener("keydown",ct,!1),i.progress&&h.progress&&h.progress.addEventListener("click",mt,!1);if(i.controls&&h.controls){var e="ontouchstart"in window?"touchstart":"click";h.controlsLeft.forEach(function(t){t.addEventListener(e,gt,!1)}),h.controlsRight.forEach(function(t){t.addEventListener(e,yt,!1)}),h.controlsUp.forEach(function(t){t.addEventListener(e,bt,!1)}),h.controlsDown.forEach(function(t){t.addEventListener(e,wt,!1)}),h.controlsPrev.forEach(function(t){t.addEventListener(e,Et,!1)}),h.controlsNext.forEach(function(t){t.addEventListener(e,St,!1)})}}function L(){document.removeEventListener("keydown",ct,!1),window.removeEventListener("hashchange",xt,!1),window.removeEventListener("resize",Tt,!1),i.touch&&(document.removeEventListener("touchstart",ht,!1),document.removeEventListener("touchmove",pt,!1),document.removeEventListener("touchend",dt,!1)),i.progress&&h.progress&&h.progress.removeEventListener("click",mt,!1);if(i.controls&&h.controls){var e="ontouchstart"in window&&window.ontouchstart!=null?"touchstart":"click";h.controlsLeft.forEach(function(t){t.removeEventListener(e,gt,!1)}),h.controlsRight.forEach(function(t){t.removeEventListener(e,yt,!1)}),h.controlsUp.forEach(function(t){t.removeEventListener(e,bt,!1)}),h.controlsDown.forEach(function(t){t.removeEventListener(e,wt,!1)}),h.controlsPrev.forEach(function(t){t.removeEventListener(e,Et,!1)}),h.controlsNext.forEach(function(t){t.removeEventListener(e,St,!1)})}}function A(e,t){for(var n in t)e[n]=t[n]}function O(e){return Array.prototype.slice.call(e)}function M(e,t){var n=e.x-t.x,r=e.y-t.y;return Math.sqrt(n*n+r*r)}function _(){window.orientation===0?(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 D(e,t){var n=document.createEvent("HTMLEvents",1,2);n.initEvent(e,!0,!0),A(n,t),h.wrapper.dispatchEvent(n)}function P(){if(p&&!("msPerspective"in document.body.style)){var t=document.querySelectorAll(e+" a:not(.image)");for(var n=0,r=t.length;n<r;n++){var i=t[n];if(i.textContent&&!i.querySelector("*")&&(!i.className||!i.classList.contains(i,"roll"))){var s=document.createElement("span");s.setAttribute("data-title",i.text),s.innerHTML=i.innerHTML,i.classList.add("roll"),i.innerHTML="",i.appendChild(s)}}}}function H(){if(h.wrapper){var t=h.wrapper.offsetWidth,n=h.wrapper.offsetHeight;t-=n*i.margin,n-=n*i.margin;var r=i.width,s=i.height;typeof r=="string"&&/%$/.test(r)&&(r=parseInt(r,10)/100*t),typeof s=="string"&&/%$/.test(s)&&(s=parseInt(s,10)/100*n),h.slides.style.width=r+"px",h.slides.style.height=s+"px",c=Math.min(t/r,n/s),c=Math.max(c,i.minScale),c=Math.min(c,i.maxScale);if(typeof h.slides.style.zoom!="undefined"&&!navigator.userAgent.match(/(iphone|ipod|ipad|android)/gi))h.slides.style.zoom=c;else{var o="translate(-50%, -50%) scale("+c+") translate(50%, 50%)";h.slides.style.WebkitTransform=o,h.slides.style.MozTransform=o,h.slides.style.msTransform=o,h.slides.style.OTransform=o,h.slides.style.transform=o}if(i.center){var u=O(document.querySelectorAll(e)),a=-s/2;for(var f=0,l=u.length;f<l;f++){var p=u[f];if(p.style.display==="none")continue;p.classList.contains("stack")?p.style.top=0:p.style.top=Math.max(-(p.offsetHeight/2)-20,a)+"px"}}}}function B(e,t){e&&e.setAttribute("data-previous-indexv",t||0)}function j(e){return e&&e.classList.contains("stack")?parseInt(e.getAttribute("data-previous-indexv")||0,10):0}function 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W(){rt(),h.wrapper.classList.remove("paused")}function X(){V()?W():z()}function V(){return h.wrapper.classList.contains("paused")}function $(e,i,s){a=f;var c=document.querySelectorAll(t);i===undefined&&(i=j(c[e])),a&&a.parentNode&&a.parentNode.classList.contains("stack")&&B(a.parentNode,u);var h=l.concat();l.length=0;var p=o,d=u;o=J(t,e===undefined?o:e),u=J(n,i===undefined?u:i),H();e:for(var v=0,m=l.length;v<m;v++){for(var g=0;g<h.length;g++)if(h[g]===l[v]){h.splice(g,1);continue e}document.documentElement.classList.add(l[v]),D(l[v])}while(h.length)document.documentElement.classList.remove(h.pop());R()&&F(),Z(1500);var y=c[o],b=y.querySelectorAll("section");f=b[u]||y;if(typeof s!="undefined"){var w=f.querySelectorAll(".fragment");O(w).forEach(function(e,t){t<s?e.classList.add("visible"):e.classList.remove("visible")})}o!==p||u!==d?D("slidechanged",{indexh:o,indexv:u,previousSlide:a,currentSlide:f}):a=null,a&&(a.classList.remove("present"),document.querySelector(r).classList.contains("present")&&setTimeout(function(){var e=O(document.querySelectorAll(t+".stack")),n;for(n in e)e[n]&&B(e[n],0)},0)),Q(),K()}function J(e,t){var n=O(document.querySelectorAll(e)),r=n.length;if(r){i.loop&&(t%=r,t<0&&(t=r+t)),t=Math.max(Math.min(t,r-1),0);for(var o=0;o<r;o++){var u=n[o];if(R()===!1){var a=Math.abs((t-o)%(r-3))||0;u.style.display=a>3?"none":"block"}n[o].classList.remove("past"),n[o].classList.remove("present"),n[o].classList.remove("future"),o<t?n[o].classList.add("past"):o>t&&n[o].classList.add("future"),u.querySelector("section")&&n[o].classList.add("stack")}n[t].classList.add("present");var f=n[t].getAttribute("data-state");f&&(l=l.concat(f.split(" ")));var 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e=G();h.controlsLeft.concat(h.controlsRight).concat(h.controlsUp).concat(h.controlsDown).concat(h.controlsPrev).concat(h.controlsNext).forEach(function(e){e.classList.remove("enabled")}),e.left&&h.controlsLeft.forEach(function(e){e.classList.add("enabled")}),e.right&&h.controlsRight.forEach(function(e){e.classList.add("enabled")}),e.up&&h.controlsUp.forEach(function(e){e.classList.add("enabled")}),e.down&&h.controlsDown.forEach(function(e){e.classList.add("enabled")}),(e.left||e.up)&&h.controlsPrev.forEach(function(e){e.classList.add("enabled")}),(e.right||e.down)&&h.controlsNext.forEach(function(e){e.classList.add("enabled")})}}function G(){var e=document.querySelectorAll(t),r=document.querySelectorAll(n);return{left:o>0,right:o<e.length-1,up:u>0,down:u<r.length-1}}function Y(){var e=window.location.hash,t=e.slice(2).split("/"),n=e.replace(/#|\//gi,"");if(isNaN(parseInt(t[0],10))&&n.length){var r=document.querySelector("#"+n);if(r){var i=Reveal.getIndices(r);$(i.h,i.v)}else 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t=document.activeElement,n=!(!document.activeElement||!document.activeElement.type&&!document.activeElement.href&&document.activeElement.contentEditable==="inherit");if(n||e.shiftKey||e.altKey||e.ctrlKey||e.metaKey)return;var r=!0;if(V()&&[66,190,191].indexOf(e.keyCode)===-1)return!1;switch(e.keyCode){case 80:case 33:ft();break;case 78:case 34:lt();break;case 72:case 37:st();break;case 76:case 39:ot();break;case 75:case 38:ut();break;case 74:case 40:at();break;case 36:$(0);break;case 35:$(Number.MAX_VALUE);break;case 32:R()?I():lt();break;case 13:R()?I():r=!1;break;case 66:case 190:case 191:X();break;case 70:U();break;default:r=!1}r?e.preventDefault():e.keyCode===27&&p&&(q(),e.preventDefault()),rt()}function ht(e){w.startX=e.touches[0].clientX,w.startY=e.touches[0].clientY,w.startCount=e.touches.length,e.touches.length===2&&i.overview&&(w.startSpan=M({x:e.touches[1].clientX,y:e.touches[1].clientY},{x:w.startX,y:w.startY}))}function pt(e){if(!w.handled){var t=e.touches[0].clientX,n=e.touches[0].clientY;if(e.touches.length===2&&w.startCount===2&&i.overview){var r=M({x:e.touches[1].clientX,y:e.touches[1].clientY},{x:w.startX,y:w.startY});Math.abs(w.startSpan-r)>w.threshold&&(w.handled=!0,r<w.startSpan?F():I()),e.preventDefault()}else if(e.touches.length===1&&w.startCount!==2){var s=t-w.startX,o=n-w.startY;s>w.threshold&&Math.abs(s)>Math.abs(o)?(w.handled=!0,st()):s<-w.threshold&&Math.abs(s)>Math.abs(o)?(w.handled=!0,ot()):o>w.threshold?(w.handled=!0,ut()):o<-w.threshold&&(w.handled=!0,at()),e.preventDefault()}}else navigator.userAgent.match(/android/gi)&&e.preventDefault()}function dt(e){w.handled=!1}function vt(e){clearTimeout(v),v=setTimeout(function(){var t=e.detail||-e.wheelDelta;t>0?lt():ft()},100)}function mt(e){e.preventDefault();var n=O(document.querySelectorAll(t)).length,r=Math.floor(e.clientX/h.wrapper.offsetWidth*n);$(r)}function gt(e){e.preventDefault(),st()}function yt(e){e.preventDefault(),ot()}function 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document.body.style||"OPerspective"in document.body.style||"perspective"in document.body.style,d="WebkitTransform"in document.body.style||"MozTransform"in document.body.style||"msTransform"in document.body.style||"OTransform"in document.body.style||"transform"in document.body.style,v=0,m=0,g=0,y=0,b=0,w={startX:0,startY:0,startSpan:0,startCount:0,handled:!1,threshold:80};return{initialize:E,slide:$,left:st,right:ot,up:ut,down:at,prev:ft,next:lt,prevFragment:nt,nextFragment:tt,navigateTo:$,navigateLeft:st,navigateRight:ot,navigateUp:ut,navigateDown:at,navigatePrev:ft,navigateNext:lt,layout:H,toggleOverview:q,togglePause:X,isOverview:R,isPaused:V,addEventListeners:k,removeEventListeners:L,getIndices:et,getSlide:function(e,n){var r=document.querySelectorAll(t)[e],i=r&&r.querySelectorAll("section");return typeof n!="undefined"?i?i[n]:undefined:r},getPreviousSlide:function(){return a},getCurrentSlide:function(){return f},getScale:function(){return c},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 document.querySelector(e+".past")==null?!0:!1},isLastSlide:function(){return f&&f.classList.contains(".stack")?f.querySelector(e+".future")==null?!0:!1:document.querySelector(e+".future")==null?!0:!1},addEventListener:function(e,t,n){"addEventListener"in window&&(h.wrapper||document.querySelector(".reveal")).addEventListener(e,t,n)},removeEventListener:function(e,t,n){"addEventListener"in window&&(h.wrapper||document.querySelector(".reveal")).removeEventListener(e,t,n)}}}(); |