From e7c5de23d7dc318babaee0fda69f4246a186f01a Mon Sep 17 00:00:00 2001
From: Hakim El Hattab <hakim.elhattab@gmail.com>
Date: Mon, 9 Jul 2012 20:51:04 -0400
Subject: [PATCH] use head.js to script load everything, fixes bug with
 inclusion of notes server js #57

---
 index.html           | 110 +++++++++++++++++++++----------------------
 lib/head/head.min.js |   8 ++++
 2 files changed, 61 insertions(+), 57 deletions(-)
 create mode 100644 lib/head/head.min.js

diff --git a/index.html b/index.html
index 68c5e4f..4441cce 100644
--- a/index.html
+++ b/index.html
@@ -264,68 +264,64 @@ linkify( 'a' );
 		</div>
 
 		<!-- Optional libraries for code syntax highlighting and classList support in IE9 -->
-		<script src="lib/highlight/highlight.js"></script>
-		<script src="lib/polyfills/classList.js"></script>
-		
-		<script src="js/reveal.js"></script>
-		
+		<script src="lib/head/head.min.js"></script>
+
 		<script>
-			// Parse the query string into a key/value object
-			var query = {};
+			// Load the main reveal.js script
+			head.js( 'js/reveal.js', function() {
+				// Parse the query string into a key/value object
+				var query = {};
 
-			location.search.replace( /[A-Z0-9]+?=(\w*)/gi, function(a) {
-				query[ a.split( '=' ).shift() ] = a.split( '=' ).pop();
+				location.search.replace( /[A-Z0-9]+?=(\w*)/gi, function(a) {
+					query[ a.split( '=' ).shift() ] = a.split( '=' ).pop();
+				} );
+
+				// Fires when a slide with data-state=customevent is activated
+				Reveal.addEventListener( 'customevent', function() {
+					alert( '"customevent" has fired' );
+				} );
+
+				// Fires each time a new slide is activated
+				Reveal.addEventListener( 'slidechanged', function( event ) {
+					// event.previousSlide, event.currentSlide, event.indexh, event.indexv
+				} );
+
+				Reveal.initialize({
+					// Display controls in the bottom right corner
+					controls: true,
+
+					// Display a presentation progress bar
+					progress: true,
+
+					// If true; each slide will be pushed to the browser history
+					history: true,
+
+					// Loops the presentation, defaults to false
+					loop: false,
+
+					// Flags if mouse wheel navigation should be enabled
+					mouseWheel: true,
+
+					// Apply a 3D roll to links on hover
+					rollingLinks: true,
+
+					// UI style
+					theme: query.theme || 'default', // default/neon
+
+					// Transition style
+					transition: query.transition || 'default' // default/cube/page/concave/linear(2d)
+				});
+			} );
+			
+			// Load third party scripts
+			head.js( 'lib/highlight/highlight.js', 'lib/polyfills/classList.js', function() {
+				// Fire off syntax highlighting for potential code samples in the slides
+				hljs.initHighlightingOnLoad();
 			} );
 
-			// Fires when a slide with data-state=customevent is activated
-			Reveal.addEventListener( 'customevent', function() {
-				alert( '"customevent" has fired' );
-			} );
-
-			// Fires each time a new slide is activated
-			Reveal.addEventListener( 'slidechanged', function( event ) {
-				// event.previousSlide, event.currentSlide, event.indexh, event.indexv
-			} );
-
-			Reveal.initialize({
-				// Display controls in the bottom right corner
-				controls: true,
-
-				// Display a presentation progress bar
-				progress: true,
-
-				// If true; each slide will be pushed to the browser history
-				history: true,
-
-				// Loops the presentation, defaults to false
-				loop: false,
-
-				// Flags if mouse wheel navigation should be enabled
-				mouseWheel: true,
-
-				// Apply a 3D roll to links on hover
-				rollingLinks: true,
-
-				// UI style
-				theme: query.theme || 'default', // default/neon
-
-				// Transition style
-				transition: query.transition || 'default' // default/cube/page/concave/linear(2d)
-			});
-
-			// Fire off syntax highlighting for potential code samples in the slides
-			hljs.initHighlightingOnLoad();
-
-			// If we're runnning the notes node server we need to include some 
-			// additional JS
+			// If we're runnning the notes server we need to include some additional JS
 			if( window.location.host === 'localhost:1947' ) {
-				var notes_socket = document.createElement( 'script' );
-				notes_socket.setAttribute( 'src', 'socket.io/socket.io.js' );
-				document.body.appendChild( notes_socket );
-
-				var notes_client = document.createElement( 'script' );
-				notes_client.setAttribute( 'src', 'lib/slidenotes/client.js' );
-				document.body.appendChild( notes_client );
+				head.js( 'socket.io/socket.io.js', 'lib/slidenotes/client.js' );
 			}
 		</script>
 		
diff --git a/lib/head/head.min.js b/lib/head/head.min.js
new file mode 100644
index 0000000..6242b0f
--- /dev/null
+++ b/lib/head/head.min.js
@@ -0,0 +1,8 @@
+/**
+    Head JS     The only script in your <HEAD>
+    Copyright   Tero Piirainen (tipiirai)
+    License     MIT / http://bit.ly/mit-license
+    Version     0.96
+
+    http://headjs.com
+*/(function(a){function z(){d||(d=!0,s(e,function(a){p(a)}))}function y(c,d){var e=a.createElement("script");e.type="text/"+(c.type||"javascript"),e.src=c.src||c,e.async=!1,e.onreadystatechange=e.onload=function(){var a=e.readyState;!d.done&&(!a||/loaded|complete/.test(a))&&(d.done=!0,d())},(a.body||b).appendChild(e)}function x(a,b){if(a.state==o)return b&&b();if(a.state==n)return k.ready(a.name,b);if(a.state==m)return a.onpreload.push(function(){x(a,b)});a.state=n,y(a.url,function(){a.state=o,b&&b(),s(g[a.name],function(a){p(a)}),u()&&d&&s(g.ALL,function(a){p(a)})})}function w(a,b){a.state===undefined&&(a.state=m,a.onpreload=[],y({src:a.url,type:"cache"},function(){v(a)}))}function v(a){a.state=l,s(a.onpreload,function(a){a.call()})}function u(a){a=a||h;var b;for(var c in a){if(a.hasOwnProperty(c)&&a[c].state!=o)return!1;b=!0}return b}function t(a){return Object.prototype.toString.call(a)=="[object Function]"}function s(a,b){if(!!a){typeof a=="object"&&(a=[].slice.call(a));for(var c=0;c<a.length;c++)b.call(a,a[c],c)}}function r(a){var b;if(typeof a=="object")for(var c in a)a[c]&&(b={name:c,url:a[c]});else b={name:q(a),url:a};var d=h[b.name];if(d&&d.url===b.url)return d;h[b.name]=b;return b}function q(a){var b=a.split("/"),c=b[b.length-1],d=c.indexOf("?");return d!=-1?c.substring(0,d):c}function p(a){a._done||(a(),a._done=1)}var b=a.documentElement,c,d,e=[],f=[],g={},h={},i=a.createElement("script").async===!0||"MozAppearance"in a.documentElement.style||window.opera,j=window.head_conf&&head_conf.head||"head",k=window[j]=window[j]||function(){k.ready.apply(null,arguments)},l=1,m=2,n=3,o=4;i?k.js=function(){var a=arguments,b=a[a.length-1],c={};t(b)||(b=null),s(a,function(d,e){d!=b&&(d=r(d),c[d.name]=d,x(d,b&&e==a.length-2?function(){u(c)&&p(b)}:null))});return k}:k.js=function(){var a=arguments,b=[].slice.call(a,1),d=b[0];if(!c){f.push(function(){k.js.apply(null,a)});return k}d?(s(b,function(a){t(a)||w(r(a))}),x(r(a[0]),t(d)?d:function(){k.js.apply(null,b)})):x(r(a[0]));return k},k.ready=function(b,c){if(b==a){d?p(c):e.push(c);return k}t(b)&&(c=b,b="ALL");if(typeof b!="string"||!t(c))return k;var f=h[b];if(f&&f.state==o||b=="ALL"&&u()&&d){p(c);return k}var i=g[b];i?i.push(c):i=g[b]=[c];return k},k.ready(a,function(){u()&&s(g.ALL,function(a){p(a)}),k.feature&&k.feature("domloaded",!0)});if(window.addEventListener)a.addEventListener("DOMContentLoaded",z,!1),window.addEventListener("load",z,!1);else if(window.attachEvent){a.attachEvent("onreadystatechange",function(){a.readyState==="complete"&&z()});var A=1;try{A=window.frameElement}catch(B){}!A&&b.doScroll&&function(){try{b.doScroll("left"),z()}catch(a){setTimeout(arguments.callee,1);return}}(),window.attachEvent("onload",z)}!a.readyState&&a.addEventListener&&(a.readyState="loading",a.addEventListener("DOMContentLoaded",handler=function(){a.removeEventListener("DOMContentLoaded",handler,!1),a.readyState="complete"},!1)),setTimeout(function(){c=!0,s(f,function(a){a()})},300)})(document)
\ No newline at end of file