From c64d9fbf97650c439eaf18b3bd6f4eecbb3ba114 Mon Sep 17 00:00:00 2001
From: Bartek Szopka <bartek.szopka+github@gmail.com>
Date: Mon, 12 Mar 2012 22:57:58 +0000
Subject: [PATCH] "added `impress-enabled` and `impress-disabled` CSS classes
 used in impress initialization"

---
 css/impress-demo.css | 1 +
 js/impress.js        | 5 +++++
 2 files changed, 6 insertions(+)

diff --git a/css/impress-demo.css b/css/impress-demo.css
index 70e2c2a..777c220 100644
--- a/css/impress-demo.css
+++ b/css/impress-demo.css
@@ -490,6 +490,7 @@ body     { pointer-events: none; }
     margin-bottom: 10px;
 }
 
+.impress-disabled .step,
 .impress-not-supported .step {
     position: relative;
     opacity: 1;
diff --git a/js/impress.js b/js/impress.js
index aa29005..0801e74 100644
--- a/js/impress.js
+++ b/js/impress.js
@@ -338,6 +338,9 @@
             root.addEventListener(transitionEnd, onTransitionEnd, false);
             canvas.addEventListener(transitionEnd, onTransitionEnd, false);
             
+            body.classList.remove("impress-disabled");
+            body.classList.add("impress-enabled");
+            
             // get and init steps
             steps = $$(".step", root);            
             steps.forEach( initStep );
@@ -494,6 +497,8 @@
             stepTo(getElementFromUrl() || steps[0]);
         }, false);
         
+        body.classList.add("impress-disabled");
+        
         return (roots[ "impress-root-" + rootId ] = {
             init: init,
             stepTo: stepTo,