From 8f7c51b4ece21ce777963ac1247746849ca7c546 Mon Sep 17 00:00:00 2001
From: Hakim El Hattab <hakim.elhattab@gmail.com>
Date: Thu, 22 Nov 2012 16:25:19 -0500
Subject: [PATCH] use touch start events for controls on touch devices

---
 js/reveal.js     | 38 +++++++++++++++++++-------------------
 js/reveal.min.js |  4 ++--
 2 files changed, 21 insertions(+), 21 deletions(-)

diff --git a/js/reveal.js b/js/reveal.js
index 5ee5702e..bbb9643e 100644
--- a/js/reveal.js
+++ b/js/reveal.js
@@ -124,6 +124,9 @@ var Reveal = (function(){
 			return;
 		}
 
+		// Force a layout when the whole page, incl fonts, has loaded
+		window.addEventListener( 'load', layout, false );
+
 		// Copy options over to our config object
 		extend( config, options );
 
@@ -367,12 +370,13 @@ var Reveal = (function(){
 		}
 
 		if ( config.controls && dom.controls ) {
-			dom.controlsLeft.forEach( function( el ) { el.addEventListener( 'click', preventAndForward( navigateLeft ), false ); } );
-			dom.controlsRight.forEach( function( el ) { el.addEventListener( 'click', preventAndForward( navigateRight ), false ); } );
-			dom.controlsUp.forEach( function( el ) { el.addEventListener( 'click', preventAndForward( navigateUp ), false ); } );
-			dom.controlsDown.forEach( function( el ) { el.addEventListener( 'click', preventAndForward( navigateDown ), false ); } );
-			dom.controlsPrev.forEach( function( el ) { el.addEventListener( 'click', preventAndForward( navigatePrev ), false ); } );
-			dom.controlsNext.forEach( function( el ) { el.addEventListener( 'click', preventAndForward( navigateNext ), false ); } );
+			var actionEvent = 'ontouchstart' in window ? 'touchstart' : 'click';
+			dom.controlsLeft.forEach( function( el ) { el.addEventListener( actionEvent, preventAndForward( navigateLeft ), false ); } );
+			dom.controlsRight.forEach( function( el ) { el.addEventListener( actionEvent, preventAndForward( navigateRight ), false ); } );
+			dom.controlsUp.forEach( function( el ) { el.addEventListener( actionEvent, preventAndForward( navigateUp ), false ); } );
+			dom.controlsDown.forEach( function( el ) { el.addEventListener( actionEvent, preventAndForward( navigateDown ), false ); } );
+			dom.controlsPrev.forEach( function( el ) { el.addEventListener( actionEvent, preventAndForward( navigatePrev ), false ); } );
+			dom.controlsNext.forEach( function( el ) { el.addEventListener( actionEvent, preventAndForward( navigateNext ), false ); } );
 		}
 	}
 
@@ -392,12 +396,13 @@ var Reveal = (function(){
 		}
 
 		if ( config.controls && dom.controls ) {
-			dom.controlsLeft.forEach( function( el ) { el.removeEventListener( 'click', preventAndForward( navigateLeft ), false ); } );
-			dom.controlsRight.forEach( function( el ) { el.removeEventListener( 'click', preventAndForward( navigateRight ), false ); } );
-			dom.controlsUp.forEach( function( el ) { el.removeEventListener( 'click', preventAndForward( navigateUp ), false ); } );
-			dom.controlsDown.forEach( function( el ) { el.removeEventListener( 'click', preventAndForward( navigateDown ), false ); } );
-			dom.controlsPrev.forEach( function( el ) { el.removeEventListener( 'click', preventAndForward( navigatePrev ), false ); } );
-			dom.controlsNext.forEach( function( el ) { el.removeEventListener( 'click', preventAndForward( navigateNext ), false ); } );
+			var actionEvent = 'ontouchstart' in window ? 'touchstart' : 'click';
+			dom.controlsLeft.forEach( function( el ) { el.removeEventListener( actionEvent, preventAndForward( navigateLeft ), false ); } );
+			dom.controlsRight.forEach( function( el ) { el.removeEventListener( actionEvent, preventAndForward( navigateRight ), false ); } );
+			dom.controlsUp.forEach( function( el ) { el.removeEventListener( actionEvent, preventAndForward( navigateUp ), false ); } );
+			dom.controlsDown.forEach( function( el ) { el.removeEventListener( actionEvent, preventAndForward( navigateDown ), false ); } );
+			dom.controlsPrev.forEach( function( el ) { el.removeEventListener( actionEvent, preventAndForward( navigatePrev ), false ); } );
+			dom.controlsNext.forEach( function( el ) { el.removeEventListener( actionEvent, preventAndForward( navigateNext ), false ); } );
 		}
 	}
 
@@ -776,12 +781,6 @@ var Reveal = (function(){
 		indexh = updateSlides( HORIZONTAL_SLIDES_SELECTOR, h === undefined ? indexh : h );
 		indexv = updateSlides( VERTICAL_SLIDES_SELECTOR, v === undefined ? indexv : v );
 
-		// No need to proceed if we're navigating to the same slide as 
-		// we're already on, unless a fragment index is specified
-		if( indexh === indexhBefore && indexv === indexvBefore && !f ) {
-			return;
-		}
-
 		layout();
 
 		// Apply the new state
@@ -823,8 +822,9 @@ var Reveal = (function(){
 		// Store references to the previous and current slides
 		currentSlide = currentVerticalSlides[ indexv ] || currentHorizontalSlide;
 
+		
 		// Show fragment, if specified
-		if ( typeof f !== undefined ) {
+		if( ( indexh !== indexhBefore || indexv !== indexvBefore ) && f ) {
 			var fragments = currentSlide.querySelectorAll( '.fragment' );
 
 			toArray( fragments ).forEach( function( fragment, indexf ) {
diff --git a/js/reveal.min.js b/js/reveal.min.js
index 7a159758..12080ab4 100644
--- a/js/reveal.min.js
+++ b/js/reveal.min.js
@@ -1,8 +1,8 @@
 /*!
- * reveal.js 2.2 (2012-11-22, 09:09)
+ * reveal.js 2.2 (2012-11-22, 16:23)
  * http://lab.hakim.se/reveal-js
  * MIT licensed
  *
  * Copyright (C) 2011-2012 Hakim El Hattab, http://hakim.se
  */
-var Reveal=function(){"use strict";function g(e){if(!h&&!c){document.body.setAttribute("class","no-transforms");return}N(r,e),b(),w()}function y(){l.theme=document.querySelector("#theme"),l.wrapper=document.querySelector(".reveal"),l.slides=document.querySelector(".reveal .slides");if(!l.wrapper.querySelector(".progress")&&r.progress){var e=document.createElement("div");e.classList.add("progress"),e.innerHTML="<span></span>",l.wrapper.appendChild(e)}if(!l.wrapper.querySelector(".controls")&&r.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>',l.wrapper.appendChild(t)}if(!l.wrapper.querySelector(".state-background")){var n=document.createElement("div");n.classList.add("state-background"),l.wrapper.appendChild(n)}if(!l.wrapper.querySelector(".pause-overlay")){var 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n=0,i=r.dependencies.length;n<i;n++){var s=r.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 E(){y(),x(),S(),D(),Q(),tt(),setTimeout(function(){M("ready",{indexh:s,indexv:o,currentSlide:a})},1)}function S(){c===!1&&(r.transition="linear"),r.controls&&l.controls&&(l.controls.style.display="block"),r.progress&&l.progress&&(l.progress.style.display="block"),r.transition!=="default"&&l.wrapper.classList.add(r.transition),r.rtl&&l.wrapper.classList.add("rtl"),r.center&&l.wrapper.classList.add("center"),r.mouseWheel&&(document.addEventListener("DOMMouseScroll",ht,!1),document.addEventListener("mousewheel",ht,!1)),r.rollingLinks&&_();if(r.theme&&l.theme){var 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T(){document.removeEventListener("keydown",at,!1),document.removeEventListener("touchstart",ft,!1),document.removeEventListener("touchmove",lt,!1),document.removeEventListener("touchend",ct,!1),window.removeEventListener("hashchange",dt,!1),window.removeEventListener("resize",vt,!1),r.progress&&l.progress&&l.progress.removeEventListener("click",A(pt),!1),r.controls&&l.controls&&(l.controlsLeft.forEach(function(e){e.removeEventListener("click",A(nt),!1)}),l.controlsRight.forEach(function(e){e.removeEventListener("click",A(rt),!1)}),l.controlsUp.forEach(function(e){e.removeEventListener("click",A(it),!1)}),l.controlsDown.forEach(function(e){e.removeEventListener("click",A(st),!1)}),l.controlsPrev.forEach(function(e){e.removeEventListener("click",A(ot),!1)}),l.controlsNext.forEach(function(e){e.removeEventListener("click",A(ut),!1)}))}function N(e,t){for(var n in t)e[n]=t[n]}function C(e){return Array.prototype.slice.call(e)}function 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