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Reveal.add/remveEventListener -> Reveal.on/off

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This commit is contained in:
Hakim El Hattab 2020-04-07 09:05:56 +02:00
parent f24620018f
commit 855cc82d76
17 changed files with 113 additions and 91 deletions
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22
README.md
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@ -369,7 +369,7 @@ Reveal.initialize({
autoSlideStoppable: true, autoSlideStoppable: true,
// Use this method for navigation when auto-sliding // Use this method for navigation when auto-sliding
autoSlideMethod: Reveal.navigateNext, autoSlideMethod: Reveal.next,
// Specify the average time in seconds that you think you will spend // Specify the average time in seconds that you think you will spend
// presenting each slide. This is used to show a pacing timer in the // presenting each slide. This is used to show a pacing timer in the
@ -531,7 +531,7 @@ You can also include dependencies which are bundled/already present on the page.
A `ready` event is fired when reveal.js has loaded all non-async dependencies and is ready to start navigating. To check if reveal.js is already 'ready' you can call `Reveal.isReady()`. A `ready` event is fired when reveal.js has loaded all non-async dependencies and is ready to start navigating. To check if reveal.js is already 'ready' you can call `Reveal.isReady()`.
```javascript ```javascript
Reveal.addEventListener( 'ready', function( event ) { Reveal.on( 'ready', function( event ) {
// event.currentSlide, event.indexh, event.indexv // event.currentSlide, event.indexh, event.indexv
} ); } );
``` ```
@ -639,7 +639,7 @@ Each individual element is decorated with a `data-auto-animate-target` attribute
Each time a presentation navigates between two auto-animated slides it dispatches the `autoanimate` event. Each time a presentation navigates between two auto-animated slides it dispatches the `autoanimate` event.
```javascript ```javascript
Reveal.addEventListener( 'autoanimate', function( event ) { Reveal.on( 'autoanimate', function( event ) {
// event.fromSlide, event.toSlide // event.fromSlide, event.toSlide
} ); } );
``` ```
@ -812,7 +812,7 @@ A `slidechanged` event is fired each time the slide is changed (regardless of st
Some libraries, like MathJax (see [#226](https://github.com/hakimel/reveal.js/issues/226#issuecomment-10261609)), get confused by the transforms and display states of slides. Often times, this can be fixed by calling their update or render function from this callback. Some libraries, like MathJax (see [#226](https://github.com/hakimel/reveal.js/issues/226#issuecomment-10261609)), get confused by the transforms and display states of slides. Often times, this can be fixed by calling their update or render function from this callback.
```javascript ```javascript
Reveal.addEventListener( 'slidechanged', function( event ) { Reveal.on( 'slidechanged', function( event ) {
// event.previousSlide, event.currentSlide, event.indexh, event.indexv // event.previousSlide, event.currentSlide, event.indexh, event.indexv
} ); } );
``` ```
@ -841,7 +841,7 @@ If you set `data-state="somestate"` on a slide `<section>`, "somestate" will be
Furthermore you can also listen to these changes in state via JavaScript: Furthermore you can also listen to these changes in state via JavaScript:
```javascript ```javascript
Reveal.addEventListener( 'somestate', function() { Reveal.on( 'somestate', function() {
// TODO: Sprinkle magic // TODO: Sprinkle magic
}, false ); }, false );
``` ```
@ -1048,10 +1048,10 @@ When a slide fragment is either shown or hidden reveal.js will dispatch an event
Some libraries, like MathJax (see #505), get confused by the initially hidden fragment elements. Often times this can be fixed by calling their update or render function from this callback. Some libraries, like MathJax (see #505), get confused by the initially hidden fragment elements. Often times this can be fixed by calling their update or render function from this callback.
```javascript ```javascript
Reveal.addEventListener( 'fragmentshown', function( event ) { Reveal.on( 'fragmentshown', function( event ) {
// event.fragment = the fragment DOM element // event.fragment = the fragment DOM element
} ); } );
Reveal.addEventListener( 'fragmenthidden', function( event ) { Reveal.on( 'fragmenthidden', function( event ) {
// event.fragment = the fragment DOM element // event.fragment = the fragment DOM element
} ); } );
``` ```
@ -1148,8 +1148,8 @@ Press »ESC« or »O« keys to toggle the overview mode on and off. While you're
as if you were at 1,000 feet above your presentation. The overview mode comes with a few API hooks: as if you were at 1,000 feet above your presentation. The overview mode comes with a few API hooks:
```javascript ```javascript
Reveal.addEventListener( 'overviewshown', function( event ) { /* ... */ } ); Reveal.on( 'overviewshown', function( event ) { /* ... */ } );
Reveal.addEventListener( 'overviewhidden', function( event ) { /* ... */ } ); Reveal.on( 'overviewhidden', function( event ) { /* ... */ } );
// Toggle the overview mode programmatically // Toggle the overview mode programmatically
Reveal.toggleOverview(); Reveal.toggleOverview();
@ -1195,7 +1195,7 @@ Limitations:
When reveal.js changes the scale of the slides it fires a resize event. You can subscribe to the event to resize your elements accordingly. When reveal.js changes the scale of the slides it fires a resize event. You can subscribe to the event to resize your elements accordingly.
```javascript ```javascript
Reveal.addEventListener( 'resize', function( event ) { Reveal.on( 'resize', function( event ) {
// event.scale, event.oldScale, event.size // event.scale, event.oldScale, event.size
} ); } );
``` ```
@ -1394,7 +1394,7 @@ let MyPlugin = {
init: () => new Promise( resolve => setTimeout( resolve, 3000 ) ) init: () => new Promise( resolve => setTimeout( resolve, 3000 ) )
}; };
Reveal.registerPlugin( 'myPlugin', MyPlugin ); Reveal.registerPlugin( 'myPlugin', MyPlugin );
Reveal.addEventListener( 'ready', () => console.log( 'Three seconds later...' ) ); Reveal.on( 'ready', () => console.log( 'Three seconds later...' ) );
Reveal.initialize(); Reveal.initialize();
``` ```

2
demo.html
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@ -374,7 +374,7 @@
Additionally custom events can be triggered on a per slide basis by binding to the <code>data-state</code> name. Additionally custom events can be triggered on a per slide basis by binding to the <code>data-state</code> name.
</p> </p>
<pre><code class="javascript" data-trim contenteditable style="font-size: 18px;"> <pre><code class="javascript" data-trim contenteditable style="font-size: 18px;">
Reveal.addEventListener( 'customevent', function() { Reveal.on( 'customevent', function() {
console.log( '"customevent" has fired' ); console.log( '"customevent" has fired' );
} ); } );
</code></pre> </code></pre>

4
dist/reveal.min.js vendored
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File diff suppressed because one or more lines are too long

2
gulpfile.js
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@ -73,7 +73,7 @@ gulp.task('test-qunit', function() {
runQunitPuppeteer({ runQunitPuppeteer({
targetUrl: `file://${path.join(__dirname, filename)}`, targetUrl: `file://${path.join(__dirname, filename)}`,
timeout: 10000, timeout: 10000,
redirectConsole: true, redirectConsole: false,
puppeteerArgs: ['--allow-file-access-from-files'] puppeteerArgs: ['--allow-file-access-from-files']
}) })
.then(result => { .then(result => {

2
js/controllers/slidecontent.js
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@ -12,6 +12,8 @@ export default class SlideContent {
this.Reveal = Reveal; this.Reveal = Reveal;
this.startEmbeddedIframe = this.startEmbeddedIframe.bind( this );
} }
/** /**

52
js/reveal.js
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@ -157,7 +157,7 @@ export default function( revealElement, options ) {
// Load plugins then move on to #start() // Load plugins then move on to #start()
plugins.load( config.dependencies ).then( start ); plugins.load( config.dependencies ).then( start );
return new Promise( resolve => Reveal.addEventListener( 'ready', resolve ) ); return new Promise( resolve => Reveal.on( 'ready', resolve ) );
} }
@ -548,6 +548,25 @@ export default function( revealElement, options ) {
} }
/**
* Adds a listener to one of our custom reveal.js events,
* like slidechanged.
*/
function on( type, listener, useCapture ) {
revealElement.addEventListener( type, listener, useCapture );
}
/**
* Unsubscribes from a reveal.js event.
*/
function off( type, listener, useCapture ) {
revealElement.removeEventListener( type, listener, useCapture );
}
/** /**
* Applies CSS transforms to the slides container. The container * Applies CSS transforms to the slides container. The container
* is transformed from two separate sources: layout and the overview * is transformed from two separate sources: layout and the overview
@ -2442,27 +2461,26 @@ export default function( revealElement, options ) {
prev: navigatePrev, prev: navigatePrev,
next: navigateNext, next: navigateNext,
// Deprecated aliases // Navigation aliases
navigateTo: slide, navigateLeft,
navigateLeft: navigateLeft, navigateRight,
navigateRight: navigateRight, navigateUp,
navigateUp: navigateUp, navigateDown,
navigateDown: navigateDown, navigatePrev,
navigatePrev: navigatePrev, navigateNext,
navigateNext: navigateNext,
// Fragment methods // Fragment methods
navigateFragment: fragments.goto.bind( fragments ), navigateFragment: fragments.goto.bind( fragments ),
prevFragment: fragments.prev.bind( fragments ), prevFragment: fragments.prev.bind( fragments ),
nextFragment: fragments.next.bind( fragments ), nextFragment: fragments.next.bind( fragments ),
// Forward event binding to the reveal DOM element // Event binding
addEventListener: ( type, listener, useCapture ) => { on,
Reveal.getRevealElement().addEventListener( type, listener, useCapture ); off,
},
removeEventListener: ( type, listener, useCapture ) => { // Legacy event binding methods left in for backwards compatibility
Reveal.getRevealElement().removeEventListener( type, listener, useCapture ); addEventListener: on,
}, removeEventListener: off,
// Forces an update in slide layout // Forces an update in slide layout
layout, layout,
@ -2588,7 +2606,7 @@ export default function( revealElement, options ) {
getQueryHash, getQueryHash,
// Returns reveal.js DOM elements // Returns reveal.js DOM elements
getRevealElement: () => dom.wrapper || document.querySelector( '.reveal' ), getRevealElement: () => revealElement,
getSlidesElement: () => dom.slides, getSlidesElement: () => dom.slides,
getBackgroundsElement: () => backgrounds.element, getBackgroundsElement: () => backgrounds.element,

2
plugin/highlight/highlight.js
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@ -105,7 +105,7 @@
// If we're printing to PDF, scroll the code highlights of // If we're printing to PDF, scroll the code highlights of
// all blocks in the deck into view at once // all blocks in the deck into view at once
Reveal.addEventListener( 'pdf-ready', function() { Reveal.on( 'pdf-ready', function() {
[].slice.call( document.querySelectorAll( '.reveal pre code[data-line-numbers].current-fragment' ) ).forEach( function( block ) { [].slice.call( document.querySelectorAll( '.reveal pre code[data-line-numbers].current-fragment' ) ).forEach( function( block ) {
RevealHighlight.scrollHighlightedLineIntoView( block, {}, true ); RevealHighlight.scrollHighlightedLineIntoView( block, {}, true );
} ); } );

2
plugin/math/math.js
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@ -76,7 +76,7 @@ var RevealMath = window.RevealMath || (function(){
MathJax.Hub.Queue( Reveal.layout ); MathJax.Hub.Queue( Reveal.layout );
// Reprocess equations in slides when they turn visible // Reprocess equations in slides when they turn visible
Reveal.addEventListener( 'slidechanged', function( event ) { Reveal.on( 'slidechanged', function( event ) {
MathJax.Hub.Queue( [ 'Typeset', MathJax.Hub, event.currentSlide ] ); MathJax.Hub.Queue( [ 'Typeset', MathJax.Hub, event.currentSlide ] );

14
plugin/multiplex/master.js
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@ -23,12 +23,12 @@
window.addEventListener( 'load', post ); window.addEventListener( 'load', post );
// Monitor events that trigger a change in state // Monitor events that trigger a change in state
Reveal.addEventListener( 'slidechanged', post ); Reveal.on( 'slidechanged', post );
Reveal.addEventListener( 'fragmentshown', post ); Reveal.on( 'fragmentshown', post );
Reveal.addEventListener( 'fragmenthidden', post ); Reveal.on( 'fragmenthidden', post );
Reveal.addEventListener( 'overviewhidden', post ); Reveal.on( 'overviewhidden', post );
Reveal.addEventListener( 'overviewshown', post ); Reveal.on( 'overviewshown', post );
Reveal.addEventListener( 'paused', post ); Reveal.on( 'paused', post );
Reveal.addEventListener( 'resumed', post ); Reveal.on( 'resumed', post );
}()); }());

14
plugin/notes-server/client.js
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@ -51,13 +51,13 @@
} ); } );
// Monitor events that trigger a change in state // Monitor events that trigger a change in state
Reveal.addEventListener( 'slidechanged', post ); Reveal.on( 'slidechanged', post );
Reveal.addEventListener( 'fragmentshown', post ); Reveal.on( 'fragmentshown', post );
Reveal.addEventListener( 'fragmenthidden', post ); Reveal.on( 'fragmenthidden', post );
Reveal.addEventListener( 'overviewhidden', post ); Reveal.on( 'overviewhidden', post );
Reveal.addEventListener( 'overviewshown', post ); Reveal.on( 'overviewshown', post );
Reveal.addEventListener( 'paused', post ); Reveal.on( 'paused', post );
Reveal.addEventListener( 'resumed', post ); Reveal.on( 'resumed', post );
// Post the initial state // Post the initial state
post(); post();

14
plugin/notes/notes.js
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@ -134,13 +134,13 @@ var RevealNotes = (function() {
function onConnected() { function onConnected() {
// Monitor events that trigger a change in state // Monitor events that trigger a change in state
Reveal.addEventListener( 'slidechanged', post ); Reveal.on( 'slidechanged', post );
Reveal.addEventListener( 'fragmentshown', post ); Reveal.on( 'fragmentshown', post );
Reveal.addEventListener( 'fragmenthidden', post ); Reveal.on( 'fragmenthidden', post );
Reveal.addEventListener( 'overviewhidden', post ); Reveal.on( 'overviewhidden', post );
Reveal.addEventListener( 'overviewshown', post ); Reveal.on( 'overviewshown', post );
Reveal.addEventListener( 'paused', post ); Reveal.on( 'paused', post );
Reveal.addEventListener( 'resumed', post ); Reveal.on( 'resumed', post );
// Post the initial state // Post the initial state
post(); post();

2
plugin/print-pdf/print-pdf.js
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@ -43,7 +43,7 @@ probePage.open( inputFile, function( status ) {
printPage.open( inputFile, function( status ) { printPage.open( inputFile, function( status ) {
console.log( 'Export PDF: Preparing pdf [3/4]') console.log( 'Export PDF: Preparing pdf [3/4]')
printPage.evaluate( function() { printPage.evaluate( function() {
Reveal.isReady() ? window.callPhantom() : Reveal.addEventListener( 'pdf-ready', window.callPhantom ); Reveal.isReady() ? window.callPhantom() : Reveal.on( 'pdf-ready', window.callPhantom );
} ); } );
} ); } );

6
test/examples/multiple-instances.html
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@ -37,12 +37,14 @@
<script> <script>
let r1 = new Reveal( document.querySelector( '.deck1' ), { let r1 = new Reveal( document.querySelector( '.deck1' ), {
embedded: true embedded: true,
keyboard: false
} ); } );
r1.initialize(); r1.initialize();
let r2 = new Reveal( document.querySelector( '.deck2' ), { let r2 = new Reveal( document.querySelector( '.deck2' ), {
embedded: true embedded: true,
keyboard: false
} ); } );
r2.initialize(); r2.initialize();

12
test/test-iframe-backgrounds.html
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@ -20,12 +20,12 @@
<div class="slides"> <div class="slides">
<section data-background-iframe="#1">1</section> <section data-background-iframe="https://revealjs.com">1</section>
<section data-background-iframe="#2">2</section> <section data-background-iframe="https://revealjs.com">2</section>
<section data-background-iframe="#3" data-preload>3</section> <section data-background-iframe="https://revealjs.com" data-preload>3</section>
<section data-background-iframe="#4">4</section> <section data-background-iframe="https://revealjs.com">4</section>
<section data-background-iframe="#5">5</section> <section data-background-iframe="https://revealjs.com">5</section>
<section data-background-iframe="#6">6</section> <section data-background-iframe="https://revealjs.com">6</section>
</div> </div>

2
test/test-plugins.html
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@ -80,7 +80,7 @@
assert.strictEqual( initCounter['PluginC'], 0, 'async plugin not immediately initialized' ); assert.strictEqual( initCounter['PluginC'], 0, 'async plugin not immediately initialized' );
reveal.addEventListener( 'ready', function() { reveal.on( 'ready', function() {
assert.strictEqual( initCounter['PluginC'], 1, 'finsihed initializing when reveal.js dispatches "ready"' ); assert.strictEqual( initCounter['PluginC'], 1, 'finsihed initializing when reveal.js dispatches "ready"' );
done(); done();

24
test/test-state.html
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@ -59,14 +59,14 @@
state2(); state2();
} }
Reveal.addEventListener( 'state1', _onState1 ); Reveal.on( 'state1', _onState1 );
Reveal.addEventListener( 'state2', _onState2 ); Reveal.on( 'state2', _onState2 );
Reveal.slide( 1 ); Reveal.slide( 1 );
Reveal.slide( 3 ); Reveal.slide( 3 );
Reveal.removeEventListener( 'state1', _onState1 ); Reveal.off( 'state1', _onState1 );
Reveal.removeEventListener( 'state2', _onState2 ); Reveal.off( 'state2', _onState2 );
}); });
QUnit.test( 'Fire state events for vertical slides', function( assert ) { QUnit.test( 'Fire state events for vertical slides', function( assert ) {
@ -83,15 +83,15 @@
done(); done();
} }
Reveal.addEventListener( 'state1', _onState1 ); Reveal.on( 'state1', _onState1 );
Reveal.addEventListener( 'state3', _onState3 ); Reveal.on( 'state3', _onState3 );
Reveal.slide( 0 ); Reveal.slide( 0 );
Reveal.slide( 4, 1 ); Reveal.slide( 4, 1 );
Reveal.slide( 4, 2 ); Reveal.slide( 4, 2 );
Reveal.removeEventListener( 'state1', _onState1 ); Reveal.off( 'state1', _onState1 );
Reveal.removeEventListener( 'state3', _onState3 ); Reveal.off( 'state3', _onState3 );
}); });
QUnit.test( 'No events if state remains unchanged', function( assert ) { QUnit.test( 'No events if state remains unchanged', function( assert ) {
@ -101,7 +101,7 @@
stateChanges += 1; stateChanges += 1;
} }
Reveal.addEventListener( 'state1', _onEvent ); Reveal.on( 'state1', _onEvent );
Reveal.slide( 0 ); // no state Reveal.slide( 0 ); // no state
Reveal.slide( 1 ); // state1 Reveal.slide( 1 ); // state1
@ -111,7 +111,7 @@
Reveal.slide( 4, 1 ); // state1 Reveal.slide( 4, 1 ); // state1
Reveal.slide( 0 ); // no state Reveal.slide( 0 ); // no state
Reveal.removeEventListener( 'state1', _onEvent ); Reveal.off( 'state1', _onEvent );
assert.strictEqual( stateChanges, 1, 'no event was fired when going to slide with same state' ); assert.strictEqual( stateChanges, 1, 'no event was fired when going to slide with same state' );
}); });
@ -121,12 +121,12 @@
assert.ok( Reveal.getCurrentSlide() == document.querySelector( '#slide2' ), 'correct current slide immediately after state event' ); assert.ok( Reveal.getCurrentSlide() == document.querySelector( '#slide2' ), 'correct current slide immediately after state event' );
} }
Reveal.addEventListener( 'state1', _onEvent ); Reveal.on( 'state1', _onEvent );
Reveal.slide( 0 ); Reveal.slide( 0 );
Reveal.slide( 1 ); Reveal.slide( 1 );
Reveal.removeEventListener( 'state1', _onEvent ); Reveal.off( 'state1', _onEvent );
}); });
} ); } );

28
test/test.html
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@ -456,7 +456,7 @@
done(); done();
} }
Reveal.addEventListener( 'fragmentshown', _onEvent ); Reveal.on( 'fragmentshown', _onEvent );
Reveal.slide( 2, 0 ); Reveal.slide( 2, 0 );
Reveal.slide( 2, 0 ); // should do nothing Reveal.slide( 2, 0 ); // should do nothing
@ -465,7 +465,7 @@
Reveal.next(); Reveal.next();
Reveal.prev(); // shouldn't fire fragmentshown Reveal.prev(); // shouldn't fire fragmentshown
Reveal.removeEventListener( 'fragmentshown', _onEvent ); Reveal.off( 'fragmentshown', _onEvent );
}); });
QUnit.test( 'fragmenthidden event', function( assert ) { QUnit.test( 'fragmenthidden event', function( assert ) {
@ -477,7 +477,7 @@
done(); done();
} }
Reveal.addEventListener( 'fragmenthidden', _onEvent ); Reveal.on( 'fragmenthidden', _onEvent );
Reveal.slide( 2, 0, 2 ); Reveal.slide( 2, 0, 2 );
Reveal.slide( 2, 0, 2 ); // should do nothing Reveal.slide( 2, 0, 2 ); // should do nothing
@ -485,7 +485,7 @@
Reveal.prev(); Reveal.prev();
Reveal.next(); // shouldn't fire fragmenthidden Reveal.next(); // shouldn't fire fragmenthidden
Reveal.removeEventListener( 'fragmenthidden', _onEvent ); Reveal.off( 'fragmenthidden', _onEvent );
}); });
@ -524,13 +524,13 @@
done(); done();
} }
Reveal.addEventListener( 'autoslidepaused', _onEvent ); Reveal.on( 'autoslidepaused', _onEvent );
Reveal.configure({ autoSlide: 10000 }); Reveal.configure({ autoSlide: 10000 });
Reveal.toggleAutoSlide(); Reveal.toggleAutoSlide();
// cleanup // cleanup
Reveal.configure({ autoSlide: 0 }); Reveal.configure({ autoSlide: 0 });
Reveal.removeEventListener( 'autoslidepaused', _onEvent ); Reveal.off( 'autoslidepaused', _onEvent );
}); });
QUnit.test( 'autoslideresumed', function( assert ) { QUnit.test( 'autoslideresumed', function( assert ) {
@ -542,14 +542,14 @@
done(); done();
} }
Reveal.addEventListener( 'autoslideresumed', _onEvent ); Reveal.on( 'autoslideresumed', _onEvent );
Reveal.configure({ autoSlide: 10000 }); Reveal.configure({ autoSlide: 10000 });
Reveal.toggleAutoSlide(); Reveal.toggleAutoSlide();
Reveal.toggleAutoSlide(); Reveal.toggleAutoSlide();
// cleanup // cleanup
Reveal.configure({ autoSlide: 0 }); Reveal.configure({ autoSlide: 0 });
Reveal.removeEventListener( 'autoslideresumed', _onEvent ); Reveal.off( 'autoslideresumed', _onEvent );
}); });
@ -643,7 +643,7 @@
done(); done();
} }
Reveal.addEventListener( 'slidechanged', _onEvent ); Reveal.on( 'slidechanged', _onEvent );
Reveal.slide( 1, 0 ); // should trigger Reveal.slide( 1, 0 ); // should trigger
Reveal.slide( 1, 0 ); // should do nothing Reveal.slide( 1, 0 ); // should do nothing
@ -651,7 +651,7 @@
Reveal.slide( 3, 0 ); // should trigger Reveal.slide( 3, 0 ); // should trigger
Reveal.next(); // should do nothing Reveal.next(); // should do nothing
Reveal.removeEventListener( 'slidechanged', _onEvent ); Reveal.off( 'slidechanged', _onEvent );
}); });
@ -664,12 +664,12 @@
done(); done();
} }
Reveal.addEventListener( 'paused', _onEvent ); Reveal.on( 'paused', _onEvent );
Reveal.togglePause(); Reveal.togglePause();
Reveal.togglePause(); Reveal.togglePause();
Reveal.removeEventListener( 'paused', _onEvent ); Reveal.off( 'paused', _onEvent );
}); });
QUnit.test( 'resumed', function( assert ) { QUnit.test( 'resumed', function( assert ) {
@ -681,12 +681,12 @@
done(); done();
} }
Reveal.addEventListener( 'resumed', _onEvent ); Reveal.on( 'resumed', _onEvent );
Reveal.togglePause(); Reveal.togglePause();
Reveal.togglePause(); Reveal.togglePause();
Reveal.removeEventListener( 'resumed', _onEvent ); Reveal.off( 'resumed', _onEvent );
}); });
} ); } );