progress bar can now be clicked to navigate (closes #181)

2 files changed, 94 insertions, 71 deletions

diff --git a/js/reveal.js b/js/reveal.js
index b08580b..14e4fd7 100644
--- a/js/reveal.js
+++ b/js/reveal.js
@@ -1,5 +1,5 @@
 /*!
- * reveal.js 2.1 r34
+ * reveal.js 2.1 r35
  * http://lab.hakim.se/reveal-js
  * MIT licensed
  * 
@@ -332,6 +332,10 @@ var Reveal = (function(){
 			document.addEventListener( 'keydown', onDocumentKeyDown, false );
 		}
 
+		if ( config.progress && dom.progress ) {
+			dom.progress.addEventListener( 'click', preventAndForward( onProgressClick ), false );
+		}
+
 		if ( config.controls && dom.controls ) {
 			dom.controlsLeft.addEventListener( 'click', preventAndForward( navigateLeft ), false );
 			dom.controlsRight.addEventListener( 'click', preventAndForward( navigateRight ), false );
@@ -349,6 +353,10 @@ var Reveal = (function(){
 		document.removeEventListener( 'touchmove', onDocumentTouchMove, false );
 		document.removeEventListener( 'touchend', onDocumentTouchEnd, false );
 		window.removeEventListener( 'hashchange', onWindowHashChange, false );
+
+		if ( config.progress && dom.progress ) {
+			dom.progress.removeEventListener( 'click', preventAndForward( onProgressClick ), false );
+		}
 		
 		if ( config.controls && dom.controls ) {
 			dom.controlsLeft.removeEventListener( 'click', preventAndForward( navigateLeft ), false );
@@ -392,7 +400,7 @@ var Reveal = (function(){
 	function preventAndForward( delegate ) {
 		return function( event ) {
 			event.preventDefault();
-			delegate.call();
+			delegate.call( null, event );
 		};
 	}
 
@@ -1234,8 +1242,8 @@ var Reveal = (function(){
 	}
 
 	/**
-	 * Handles mouse wheel scrolling, throttled to avoid 
-	 * skipping multiple slides.
+	 * Handles mouse wheel scrolling, throttled to avoid skipping 
+	 * multiple slides.
 	 */
 	function onDocumentMouseScroll( event ){
 		clearTimeout( mouseWheelTimeout );
@@ -1250,6 +1258,19 @@ var Reveal = (function(){
 			}
 		}, 100 );
 	}
+
+	/**
+	 * Clicking on the progress bar results in a navigation to the 
+	 * closest approximate horizontal slide using this equation:
+	 *
+	 * ( clickX / presentationWidth ) * numberOfSlides
+	 */
+	function onProgressClick( event ) {
+		var slidesTotal = Array.prototype.slice.call( document.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR ) ).length;
+		var slideIndex = Math.floor( ( event.clientX / dom.wrapper.offsetWidth ) * slidesTotal );
+
+		slide( slideIndex );
+	}
 	
 	/**
 	 * Handler for the window level 'hashchange' event.
diff --git a/js/reveal.min.js b/js/reveal.min.js
index 73053d3..b7ffeab 100644
--- a/js/reveal.min.js
+++ b/js/reveal.min.js
@@ -1,81 +1,83 @@
 /*!
- * reveal.js 2.1 r34
+ * reveal.js 2.1 r35
  * http://lab.hakim.se/reveal-js
  * MIT licensed
  * 
  * Copyright (C) 2011-2012 Hakim El Hattab, http://hakim.se
  */
-var Reveal=(function(){var l=".reveal .slides>section",b=".reveal .slides>section.present>section",R={controls:true,progress:true,history:false,keyboard:true,overview:true,loop:false,autoSlide:0,mouseWheel:true,rollingLinks:true,theme:null,transition:"default",dependencies:[]},Y=R.autoSlide,m=0,e=0,y,G,aj=[],f={},T="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,n="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,z=0,k=0,D=0,ac={startX:0,startY:0,startSpan:0,startCount:0,handled:false,threshold:80};
-function i(ak){if((!n&&!T)){document.body.setAttribute("class","no-transforms");return;}t(R,ak);d();V();}function P(){f.theme=document.querySelector("#theme");
-f.wrapper=document.querySelector(".reveal");if(!f.wrapper.querySelector(".progress")&&R.progress){var an=document.createElement("div");an.classList.add("progress");
-an.innerHTML="<span></span>";f.wrapper.appendChild(an);}if(!f.wrapper.querySelector(".controls")&&R.controls){var am=document.createElement("aside");am.classList.add("controls");
-am.innerHTML='<a class="left" href="#">&#x25C4;</a><a class="right" href="#">&#x25BA;</a><a class="up" href="#">&#x25B2;</a><a class="down" href="#">&#x25BC;</a>';
-f.wrapper.appendChild(am);}if(!f.wrapper.querySelector(".state-background")){var al=document.createElement("div");al.classList.add("state-background");
-f.wrapper.appendChild(al);}if(!f.wrapper.querySelector(".pause-overlay")){var ak=document.createElement("div");ak.classList.add("pause-overlay");f.wrapper.appendChild(ak);
+var Reveal=(function(){var l=".reveal .slides>section",b=".reveal .slides>section.present>section",R={controls:true,progress:true,history:false,keyboard:true,overview:true,loop:false,autoSlide:0,mouseWheel:true,rollingLinks:true,theme:null,transition:"default",dependencies:[]},Y=R.autoSlide,m=0,e=0,y,G,ak=[],f={},T="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,n="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,z=0,k=0,D=0,ac={startX:0,startY:0,startSpan:0,startCount:0,handled:false,threshold:80};
+function i(al){if((!n&&!T)){document.body.setAttribute("class","no-transforms");return;}t(R,al);d();V();}function P(){f.theme=document.querySelector("#theme");
+f.wrapper=document.querySelector(".reveal");if(!f.wrapper.querySelector(".progress")&&R.progress){var ao=document.createElement("div");ao.classList.add("progress");
+ao.innerHTML="<span></span>";f.wrapper.appendChild(ao);}if(!f.wrapper.querySelector(".controls")&&R.controls){var an=document.createElement("aside");an.classList.add("controls");
+an.innerHTML='<a class="left" href="#">&#x25C4;</a><a class="right" href="#">&#x25BA;</a><a class="up" href="#">&#x25B2;</a><a class="down" href="#">&#x25BC;</a>';
+f.wrapper.appendChild(an);}if(!f.wrapper.querySelector(".state-background")){var am=document.createElement("div");am.classList.add("state-background");
+f.wrapper.appendChild(am);}if(!f.wrapper.querySelector(".pause-overlay")){var al=document.createElement("div");al.classList.add("pause-overlay");f.wrapper.appendChild(al);
 }f.progress=document.querySelector(".reveal .progress");f.progressbar=document.querySelector(".reveal .progress span");if(R.controls){f.controls=document.querySelector(".reveal .controls");
 f.controlsLeft=document.querySelector(".reveal .controls .left");f.controlsRight=document.querySelector(".reveal .controls .right");f.controlsUp=document.querySelector(".reveal .controls .up");
 f.controlsDown=document.querySelector(".reveal .controls .down");}}function d(){if(navigator.userAgent.match(/(iphone|ipod|android)/i)){document.documentElement.style.overflow="scroll";
-document.body.style.height="120%";window.addEventListener("load",ad,false);window.addEventListener("orientationchange",ad,false);}}function V(){var al=[],ap=[];
-for(var am=0,ak=R.dependencies.length;am<ak;am++){var an=R.dependencies[am];if(!an.condition||an.condition()){if(an.async){ap.push(an.src);}else{al.push(an.src);
-}if(typeof an.callback==="function"){head.ready(an.src.match(/([\w\d_\-]*)\.?[^\\\/]*$/i)[0],an.callback);}}}function ao(){head.js.apply(null,ap);H();}if(al.length){head.ready(ao);
-head.js.apply(null,al);}else{ao();}}function H(){P();E();K();J();O();r("ready",{indexh:m,indexv:e,currentSlide:G});}function K(){if(T===false){R.transition="linear";
+document.body.style.height="120%";window.addEventListener("load",ad,false);window.addEventListener("orientationchange",ad,false);}}function V(){var am=[],aq=[];
+for(var an=0,al=R.dependencies.length;an<al;an++){var ao=R.dependencies[an];if(!ao.condition||ao.condition()){if(ao.async){aq.push(ao.src);}else{am.push(ao.src);
+}if(typeof ao.callback==="function"){head.ready(ao.src.match(/([\w\d_\-]*)\.?[^\\\/]*$/i)[0],ao.callback);}}}function ap(){head.js.apply(null,aq);H();}if(am.length){head.ready(ap);
+head.js.apply(null,am);}else{ap();}}function H(){P();E();K();J();O();r("ready",{indexh:m,indexv:e,currentSlide:G});}function K(){if(T===false){R.transition="linear";
 }if(R.controls&&f.controls){f.controls.style.display="block";}if(R.progress&&f.progress){f.progress.style.display="block";}if(R.transition!=="default"){f.wrapper.classList.add(R.transition);
-}if(R.mouseWheel){document.addEventListener("DOMMouseScroll",o,false);document.addEventListener("mousewheel",o,false);}if(R.rollingLinks){N();}if(R.theme&&f.theme){var am=f.theme.getAttribute("href");
-var ak=/[^\/]*?(?=\.css)/;var al=am.match(ak)[0];if(R.theme!==al){am=am.replace(ak,R.theme);f.theme.setAttribute("href",am);}}}function E(){document.addEventListener("touchstart",A,false);
+}if(R.mouseWheel){document.addEventListener("DOMMouseScroll",o,false);document.addEventListener("mousewheel",o,false);}if(R.rollingLinks){N();}if(R.theme&&f.theme){var an=f.theme.getAttribute("href");
+var al=/[^\/]*?(?=\.css)/;var am=an.match(al)[0];if(R.theme!==am){an=an.replace(al,R.theme);f.theme.setAttribute("href",an);}}}function E(){document.addEventListener("touchstart",A,false);
 document.addEventListener("touchmove",af,false);document.addEventListener("touchend",W,false);window.addEventListener("hashchange",w,false);if(R.keyboard){document.addEventListener("keydown",ah,false);
-}if(R.controls&&f.controls){f.controlsLeft.addEventListener("click",q(B),false);f.controlsRight.addEventListener("click",q(j),false);f.controlsUp.addEventListener("click",q(u),false);
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-}}function t(al,ak){for(var am in ak){al[am]=ak[am];}}function S(am,ak){var an=am.x-ak.x,al=am.y-ak.y;return Math.sqrt(an*an+al*al);}function q(ak){return function(al){al.preventDefault();
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-ar.setAttribute("data-index-v",ao);ar.style.display="block";ar.style.WebkitTransform=aq;ar.style.MozTransform=aq;ar.style.msTransform=aq;ar.style.OTransform=aq;
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-}function ab(){var ak=document.body;var al=ak.requestFullScreen||ak.webkitRequestFullScreen||ak.mozRequestFullScreen||ak.msRequestFullScreen;if(al){al.apply(ak);
+}if(R.progress&&f.progress){f.progress.addEventListener("click",q(ai),false);}if(R.controls&&f.controls){f.controlsLeft.addEventListener("click",q(B),false);
+f.controlsRight.addEventListener("click",q(j),false);f.controlsUp.addEventListener("click",q(u),false);f.controlsDown.addEventListener("click",q(F),false);
+}}function U(){document.removeEventListener("keydown",ah,false);document.removeEventListener("touchstart",A,false);document.removeEventListener("touchmove",af,false);
+document.removeEventListener("touchend",W,false);window.removeEventListener("hashchange",w,false);if(R.progress&&f.progress){f.progress.removeEventListener("click",q(ai),false);
+}if(R.controls&&f.controls){f.controlsLeft.removeEventListener("click",q(B),false);f.controlsRight.removeEventListener("click",q(j),false);f.controlsUp.removeEventListener("click",q(u),false);
+f.controlsDown.removeEventListener("click",q(F),false);}}function t(am,al){for(var an in al){am[an]=al[an];}}function S(an,al){var ao=an.x-al.x,am=an.y-al.y;
+return Math.sqrt(ao*ao+am*am);}function q(al){return function(am){am.preventDefault();al.call(null,am);};}function ad(){setTimeout(function(){window.scrollTo(0,1);
+},0);}function r(am,al){var an=document.createEvent("HTMLEvents",1,2);an.initEvent(am,true,true);t(an,al);f.wrapper.dispatchEvent(an);}function N(){if(T&&!("msPerspective" in document.body.style)){var am=document.querySelectorAll(".reveal .slides section a:not(.image)");
+for(var an=0,al=am.length;an<al;an++){var ao=am[an];if(ao.textContent&&!ao.querySelector("img")&&(!ao.className||!ao.classList.contains(ao,"roll"))){ao.classList.add("roll");
+ao.innerHTML='<span data-title="'+ao.text+'">'+ao.innerHTML+"</span>";}}}}function I(){if(R.overview){f.wrapper.classList.add("overview");var al=document.querySelectorAll(l);
+for(var aq=0,ao=al.length;aq<ao;aq++){var an=al[aq],av="translateZ(-2500px) translate("+((aq-m)*105)+"%, 0%)";an.setAttribute("data-index-h",aq);an.style.display="block";
+an.style.WebkitTransform=av;an.style.MozTransform=av;an.style.msTransform=av;an.style.OTransform=av;an.style.transform=av;if(!an.classList.contains("stack")){an.addEventListener("click",C,true);
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+at.setAttribute("data-index-v",ap);at.style.display="block";at.style.WebkitTransform=ar;at.style.MozTransform=ar;at.style.msTransform=ar;at.style.OTransform=ar;
+at.style.transform=ar;at.addEventListener("click",C,true);}}}}function ae(){if(R.overview){f.wrapper.classList.remove("overview");var ao=Array.prototype.slice.call(document.querySelectorAll(".reveal .slides section"));
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-}while(an.length){document.documentElement.classList.remove(an.pop());}if(R.progress&&f.progress){f.progressbar.style.width=(m/(document.querySelectorAll(l).length-1))*window.innerWidth+"px";
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-}else{y=null;}if(y){y.classList.remove("present");}}function ai(an,at){var al=Array.prototype.slice.call(document.querySelectorAll(an)),ar=al.length;if(ar){if(R.loop){at%=ar;
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-}var ao=al[at].getAttribute("data-autoslide");if(ao){Y=parseInt(ao);}else{Y=R.autoSlide;}}else{at=0;}return at;}function s(){if(R.controls&&f.controls){var ak=g();
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-}}}function g(){var ak=document.querySelectorAll(l),al=document.querySelectorAll(b);return{left:m>0,right:m<ak.length-1,up:e>0,down:e<al.length-1};}function J(){var ap=window.location.hash;
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+ap<at;ap++){for(var an=0;an<ao.length;an++){if(ao[an]===ak[ap]){ao.splice(an,1);continue stateLoop;}}document.documentElement.classList.add(ak[ap]);r(ak[ap]);
+}while(ao.length){document.documentElement.classList.remove(ao.pop());}if(R.progress&&f.progress){f.progressbar.style.width=(m/(document.querySelectorAll(l).length-1))*window.innerWidth+"px";
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+}else{y=null;}if(y){y.classList.remove("present");}}function aj(ao,au){var am=Array.prototype.slice.call(document.querySelectorAll(ao)),at=am.length;if(at){if(R.loop){au%=at;
+if(au<0){au=at+au;}}au=Math.max(Math.min(au,at-1),0);for(var aq=0;aq<at;aq++){var ar=am[aq];if(L()===false){var al=Math.abs((au-aq)%(at-3))||0;ar.style.display=al>3?"none":"block";
+}am[aq].classList.remove("past");am[aq].classList.remove("present");am[aq].classList.remove("future");if(aq<au){am[aq].classList.add("past");}else{if(aq>au){am[aq].classList.add("future");
+}}if(ar.querySelector("section")){am[aq].classList.add("stack");}}am[au].classList.add("present");var an=am[au].getAttribute("data-state");if(an){ak=ak.concat(an.split(" "));
+}var ap=am[au].getAttribute("data-autoslide");if(ap){Y=parseInt(ap);}else{Y=R.autoSlide;}}else{au=0;}return au;}function s(){if(R.controls&&f.controls){var al=g();
+[f.controlsLeft,f.controlsRight,f.controlsUp,f.controlsDown].forEach(function(am){am.classList.remove("enabled");});if(al.left){f.controlsLeft.classList.add("enabled");
+}if(al.right){f.controlsRight.classList.add("enabled");}if(al.up){f.controlsUp.classList.add("enabled");}if(al.down){f.controlsDown.classList.add("enabled");
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