Commit 83123689 authored by Hakim El Hattab's avatar Hakim El Hattab
Browse files

now capturing data-state on slides and lifting it to document element classList when slide is open

parent 0cd3b8d4
......@@ -67,6 +67,7 @@ Reveal.initialize({
- Delayed updates to URL hash to work around a bug in Chrome
- Included a classList polyfill for IE9
- Support for wireless presenter keys
- States can now be applied as classes on the document element by adding data-state on a slide
#### 1.1
......
......@@ -897,6 +897,29 @@ html {
}
/*********************************************
* STATES
*********************************************/
.blur body {
}
.blur #reveal * {
color: rgba( 255, 255, 255, 0 );
text-shadow: 0px 0px 5px #fff;
-webkit-transition: color .8s ease,
text-shadow .8s ease;
-moz-transition: color .8s ease,
text-shadow .8s ease;
-ms-transition: color .8s ease,
text-shadow .8s ease;
-o-transition: color .8s ease,
text-shadow .8s ease;
transition: color .8s ease,
text-shadow .8s ease;
}
......
......@@ -79,7 +79,7 @@
<section>
<h2>Holistic Overview</h2>
<p>
Press <strong>SPACE</strong> to enter the slide overview.
Press <strong>SPACE</strong> to enter the slide overview!
</p>
</section>
......@@ -94,7 +94,7 @@
<li><a href="http://lab.hakim.se/reveal-js/?transition=concave">Concave</a></li>
</ul>
</section>
<section>
<h2>Marvelous Unordered List</h2>
<ul>
......@@ -114,6 +114,15 @@
</ol>
</section>
<section data-state="blur">
<h2>Global State</h2>
<p>
If you set <code>data-state="something"</code> on a slide, <code>"something"</code>
will be added as a class to the document element when the slide is open. Like the <code>"blur"</code>
effect on this slide.
</p>
</section>
<section>
<h2>Clever Quotes</h2>
<p>
......@@ -213,7 +222,7 @@
<!-- Optional libraries for code syntax highlighting and classList support in IE9 -->
<script src="lib/highlight.js"></script>
<script src="lib/classList.js"></script>
<script>
// Parse the query string into a key/value object
var query = {};
......
......@@ -58,6 +58,11 @@ var Reveal = (function(){
rollingLinks: true
},
// Slides may hold a data-state attribute which we pick up and apply
// as a class to the body. This list contains the combined state of
// all current slides.
state = [],
// Cached references to DOM elements
dom = {},
......@@ -462,6 +467,13 @@ var Reveal = (function(){
// Mark the current slide as present
slides[index].classList.add( 'present' );
// If this slide has a state associated with it, add it
// onto the current state of the deck
var slideState = slides[index].dataset.state;
if( slideState ) {
state = state.concat( slideState.split( ' ' ) );
}
}
else {
// Since there are no slides we can't be anywhere beyond the
......@@ -478,9 +490,19 @@ var Reveal = (function(){
* set indices.
*/
function slide() {
// Clean up the current state
while( state.length ) {
document.documentElement.classList.remove( state.pop() );
}
indexh = updateSlides( HORIZONTAL_SLIDES_SELECTOR, indexh );
indexv = updateSlides( VERTICAL_SLIDES_SELECTOR, indexv );
// Apply the new state
for( var i = 0, len = state.length; i < len; i++ ) {
document.documentElement.classList.add( state[i] );
}
// Update progress if enabled
if( config.progress ) {
dom.progressbar.style.width = ( indexh / ( document.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR ).length - 1 ) ) * window.innerWidth + 'px';
......
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