add overviewshown and overviewhidden events (closes #298)

This commit is contained in:
hakimel 2013-01-21 12:45:52 -05:00
parent e62b0f8795
commit d489ec2f9d
3 changed files with 31 additions and 5 deletions

View file

@ -256,7 +256,15 @@ Reveal.addEventListener( 'fragmenthidden', function( event ) {
### Overview mode
Press "Esc" key to toggle the overview mode on and off. While you're in this mode, you can still navigate between slides,
as if you were at 1,000 feet above your presentation.
as if you were at 1,000 feet above your presentation. The overview mode comes with a few API hooks:
```javascript
Reveal.addEventListener( 'overviewshown', function( event ) { /* ... */ } );
Reveal.addEventListener( 'overviewhidden', function( event ) { /* ... */ } );
// Toggle the overview mode programmatically
Reveal.toggleOverview();
```
### Fullscreen mode
Just press »F« on your keyboard to show your presentation in fullscreen mode. Press the »ESC« key to exit fullscreen mode.

View file

@ -622,14 +622,16 @@ var Reveal = (function(){
// Only proceed if enabled in config
if( config.overview ) {
var wasActive = dom.wrapper.classList.contains( 'overview' );
dom.wrapper.classList.add( 'overview' );
dom.wrapper.classList.remove( 'exit-overview' );
clearTimeout( activateOverviewTimeout );
clearTimeout( deactivateOverviewTimeout );
// Not the pretties solution, but need to let the overview
// class apply first so that slides are measured accurately
// Not the pretties solution, but need to let the overview
// class apply first so that slides are measured accurately
// before we can position them
activateOverviewTimeout = setTimeout( function(){
@ -681,6 +683,15 @@ var Reveal = (function(){
layout();
if( !wasActive ) {
// Notify observers of the overview showing
dispatchEvent( 'overviewshown', {
'indexh': indexh,
'indexv': indexv,
'currentSlide': currentSlide
} );
}
}, 10 );
}
@ -730,6 +741,13 @@ var Reveal = (function(){
slide( indexh, indexv );
// Notify observers of the overview hiding
dispatchEvent( 'overviewhidden', {
'indexh': indexh,
'indexv': indexv,
'currentSlide': currentSlide
} );
}
}

4
js/reveal.min.js vendored

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