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Merge branch 'dev' into plugin-markdown

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2
README.md
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@ -25,4 +25,4 @@ Want to create your presentation using a visual editor? Try the official reveal.
MIT licensed
Copyright (C) 2011-2020 Hakim El Hattab, https://hakim.se
Copyright (C) 2011-2021 Hakim El Hattab, https://hakim.se

38
css/reveal.scss
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@ -1158,54 +1158,54 @@ $controlsArrowAngleActive: 36deg;
}
/* Immediate transition style */
.reveal[data-background-transition=none]>.backgrounds .slide-background,
.reveal[data-background-transition=none]>.backgrounds .slide-background:not([data-background-transition]),
.reveal>.backgrounds .slide-background[data-background-transition=none] {
transition: none;
}
/* Slide */
.reveal[data-background-transition=slide]>.backgrounds .slide-background,
.reveal[data-background-transition=slide]>.backgrounds .slide-background:not([data-background-transition]),
.reveal>.backgrounds .slide-background[data-background-transition=slide] {
opacity: 1;
backface-visibility: hidden;
}
.reveal[data-background-transition=slide]>.backgrounds .slide-background.past,
.reveal[data-background-transition=slide]>.backgrounds .slide-background.past:not([data-background-transition]),
.reveal>.backgrounds .slide-background.past[data-background-transition=slide] {
transform: translate(-100%, 0);
}
.reveal[data-background-transition=slide]>.backgrounds .slide-background.future,
.reveal[data-background-transition=slide]>.backgrounds .slide-background.future:not([data-background-transition]),
.reveal>.backgrounds .slide-background.future[data-background-transition=slide] {
transform: translate(100%, 0);
}
.reveal[data-background-transition=slide]>.backgrounds .slide-background>.slide-background.past,
.reveal[data-background-transition=slide]>.backgrounds .slide-background>.slide-background.past:not([data-background-transition]),
.reveal>.backgrounds .slide-background>.slide-background.past[data-background-transition=slide] {
transform: translate(0, -100%);
}
.reveal[data-background-transition=slide]>.backgrounds .slide-background>.slide-background.future,
.reveal[data-background-transition=slide]>.backgrounds .slide-background>.slide-background.future:not([data-background-transition]),
.reveal>.backgrounds .slide-background>.slide-background.future[data-background-transition=slide] {
transform: translate(0, 100%);
}
/* Convex */
.reveal[data-background-transition=convex]>.backgrounds .slide-background.past,
.reveal[data-background-transition=convex]>.backgrounds .slide-background.past:not([data-background-transition]),
.reveal>.backgrounds .slide-background.past[data-background-transition=convex] {
opacity: 0;
transform: translate3d(-100%, 0, 0) rotateY(-90deg) translate3d(-100%, 0, 0);
}
.reveal[data-background-transition=convex]>.backgrounds .slide-background.future,
.reveal[data-background-transition=convex]>.backgrounds .slide-background.future:not([data-background-transition]),
.reveal>.backgrounds .slide-background.future[data-background-transition=convex] {
opacity: 0;
transform: translate3d(100%, 0, 0) rotateY(90deg) translate3d(100%, 0, 0);
}
.reveal[data-background-transition=convex]>.backgrounds .slide-background>.slide-background.past,
.reveal[data-background-transition=convex]>.backgrounds .slide-background>.slide-background.past:not([data-background-transition]),
.reveal>.backgrounds .slide-background>.slide-background.past[data-background-transition=convex] {
opacity: 0;
transform: translate3d(0, -100%, 0) rotateX(90deg) translate3d(0, -100%, 0);
}
.reveal[data-background-transition=convex]>.backgrounds .slide-background>.slide-background.future,
.reveal[data-background-transition=convex]>.backgrounds .slide-background>.slide-background.future:not([data-background-transition]),
.reveal>.backgrounds .slide-background>.slide-background.future[data-background-transition=convex] {
opacity: 0;
transform: translate3d(0, 100%, 0) rotateX(-90deg) translate3d(0, 100%, 0);
@ -1213,54 +1213,54 @@ $controlsArrowAngleActive: 36deg;
/* Concave */
.reveal[data-background-transition=concave]>.backgrounds .slide-background.past,
.reveal[data-background-transition=concave]>.backgrounds .slide-background.past:not([data-background-transition]),
.reveal>.backgrounds .slide-background.past[data-background-transition=concave] {
opacity: 0;
transform: translate3d(-100%, 0, 0) rotateY(90deg) translate3d(-100%, 0, 0);
}
.reveal[data-background-transition=concave]>.backgrounds .slide-background.future,
.reveal[data-background-transition=concave]>.backgrounds .slide-background.future:not([data-background-transition]),
.reveal>.backgrounds .slide-background.future[data-background-transition=concave] {
opacity: 0;
transform: translate3d(100%, 0, 0) rotateY(-90deg) translate3d(100%, 0, 0);
}
.reveal[data-background-transition=concave]>.backgrounds .slide-background>.slide-background.past,
.reveal[data-background-transition=concave]>.backgrounds .slide-background>.slide-background.past:not([data-background-transition]),
.reveal>.backgrounds .slide-background>.slide-background.past[data-background-transition=concave] {
opacity: 0;
transform: translate3d(0, -100%, 0) rotateX(-90deg) translate3d(0, -100%, 0);
}
.reveal[data-background-transition=concave]>.backgrounds .slide-background>.slide-background.future,
.reveal[data-background-transition=concave]>.backgrounds .slide-background>.slide-background.future:not([data-background-transition]),
.reveal>.backgrounds .slide-background>.slide-background.future[data-background-transition=concave] {
opacity: 0;
transform: translate3d(0, 100%, 0) rotateX(90deg) translate3d(0, 100%, 0);
}
/* Zoom */
.reveal[data-background-transition=zoom]>.backgrounds .slide-background,
.reveal[data-background-transition=zoom]>.backgrounds .slide-background:not([data-background-transition]),
.reveal>.backgrounds .slide-background[data-background-transition=zoom] {
transition-timing-function: ease;
}
.reveal[data-background-transition=zoom]>.backgrounds .slide-background.past,
.reveal[data-background-transition=zoom]>.backgrounds .slide-background.past:not([data-background-transition]),
.reveal>.backgrounds .slide-background.past[data-background-transition=zoom] {
opacity: 0;
visibility: hidden;
transform: scale(16);
}
.reveal[data-background-transition=zoom]>.backgrounds .slide-background.future,
.reveal[data-background-transition=zoom]>.backgrounds .slide-background.future:not([data-background-transition]),
.reveal>.backgrounds .slide-background.future[data-background-transition=zoom] {
opacity: 0;
visibility: hidden;
transform: scale(0.2);
}
.reveal[data-background-transition=zoom]>.backgrounds .slide-background>.slide-background.past,
.reveal[data-background-transition=zoom]>.backgrounds .slide-background>.slide-background.past:not([data-background-transition]),
.reveal>.backgrounds .slide-background>.slide-background.past[data-background-transition=zoom] {
opacity: 0;
visibility: hidden;
transform: scale(16);
}
.reveal[data-background-transition=zoom]>.backgrounds .slide-background>.slide-background.future,
.reveal[data-background-transition=zoom]>.backgrounds .slide-background>.slide-background.future:not([data-background-transition]),
.reveal>.backgrounds .slide-background>.slide-background.future[data-background-transition=zoom] {
opacity: 0;
visibility: hidden;

1
css/theme/template/theme.scss
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@ -185,6 +185,7 @@
.reveal code {
font-family: $codeFont;
text-transform: none;
tab-size: 2;
}
.reveal pre code {

26
demo.html
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@ -19,7 +19,7 @@
<link rel="stylesheet" href="dist/theme/black.css" id="theme">
<!-- Theme used for syntax highlighting of code -->
<link rel="stylesheet" href="plugin/highlight/monokai.css" id="highlight-theme">
<link rel="stylesheet" href="plugin/highlight/monokai.css">
</head>
<body>
@ -186,7 +186,7 @@
Write content using inline or external Markdown.
Instructions and more info available in the [docs](https://revealjs.com/markdown/).
```[]
```html []
<section data-markdown>
## Markdown support
@ -249,17 +249,17 @@
<p>
reveal.js comes with a few themes built in: <br>
<!-- Hacks to swap themes after the page has loaded. Not flexible and only intended for the reveal.js demo deck. -->
<a href="#" onclick="document.getElementById('theme').setAttribute('href','css/theme/black.css'); return false;">Black (default)</a> -
<a href="#" onclick="document.getElementById('theme').setAttribute('href','css/theme/white.css'); return false;">White</a> -
<a href="#" onclick="document.getElementById('theme').setAttribute('href','css/theme/league.css'); return false;">League</a> -
<a href="#" onclick="document.getElementById('theme').setAttribute('href','css/theme/sky.css'); return false;">Sky</a> -
<a href="#" onclick="document.getElementById('theme').setAttribute('href','css/theme/beige.css'); return false;">Beige</a> -
<a href="#" onclick="document.getElementById('theme').setAttribute('href','css/theme/simple.css'); return false;">Simple</a> <br>
<a href="#" onclick="document.getElementById('theme').setAttribute('href','css/theme/serif.css'); return false;">Serif</a> -
<a href="#" onclick="document.getElementById('theme').setAttribute('href','css/theme/blood.css'); return false;">Blood</a> -
<a href="#" onclick="document.getElementById('theme').setAttribute('href','css/theme/night.css'); return false;">Night</a> -
<a href="#" onclick="document.getElementById('theme').setAttribute('href','css/theme/moon.css'); return false;">Moon</a> -
<a href="#" onclick="document.getElementById('theme').setAttribute('href','css/theme/solarized.css'); return false;">Solarized</a>
<a href="#" onclick="document.getElementById('theme').setAttribute('href','dist/theme/black.css'); return false;">Black (default)</a> -
<a href="#" onclick="document.getElementById('theme').setAttribute('href','dist/theme/white.css'); return false;">White</a> -
<a href="#" onclick="document.getElementById('theme').setAttribute('href','dist/theme/league.css'); return false;">League</a> -
<a href="#" onclick="document.getElementById('theme').setAttribute('href','dist/theme/sky.css'); return false;">Sky</a> -
<a href="#" onclick="document.getElementById('theme').setAttribute('href','dist/theme/beige.css'); return false;">Beige</a> -
<a href="#" onclick="document.getElementById('theme').setAttribute('href','dist/theme/simple.css'); return false;">Simple</a> <br>
<a href="#" onclick="document.getElementById('theme').setAttribute('href','dist/theme/serif.css'); return false;">Serif</a> -
<a href="#" onclick="document.getElementById('theme').setAttribute('href','dist/theme/blood.css'); return false;">Blood</a> -
<a href="#" onclick="document.getElementById('theme').setAttribute('href','dist/theme/night.css'); return false;">Night</a> -
<a href="#" onclick="document.getElementById('theme').setAttribute('href','dist/theme/moon.css'); return false;">Moon</a> -
<a href="#" onclick="document.getElementById('theme').setAttribute('href','dist/theme/solarized.css'); return false;">Solarized</a>
</p>
</section>

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dist/reveal.css vendored
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dist/reveal.js vendored
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3
dist/theme/beige.css vendored
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@ -194,7 +194,8 @@ section.has-dark-background, section.has-dark-background h1, section.has-dark-ba
.reveal code {
font-family: monospace;
text-transform: none; }
text-transform: none;
tab-size: 2; }
.reveal pre code {
display: block;

3
dist/theme/black.css vendored
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@ -187,7 +187,8 @@ section.has-light-background, section.has-light-background h1, section.has-light
.reveal code {
font-family: monospace;
text-transform: none; }
text-transform: none;
tab-size: 2; }
.reveal pre code {
display: block;

3
dist/theme/blood.css vendored
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@ -193,7 +193,8 @@ section.has-light-background, section.has-light-background h1, section.has-light
.reveal code {
font-family: monospace;
text-transform: none; }
text-transform: none;
tab-size: 2; }
.reveal pre code {
display: block;

3
dist/theme/league.css vendored
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@ -196,7 +196,8 @@ section.has-light-background, section.has-light-background h1, section.has-light
.reveal code {
font-family: monospace;
text-transform: none; }
text-transform: none;
tab-size: 2; }
.reveal pre code {
display: block;

3
dist/theme/moon.css vendored
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@ -194,7 +194,8 @@ section.has-light-background, section.has-light-background h1, section.has-light
.reveal code {
font-family: monospace;
text-transform: none; }
text-transform: none;
tab-size: 2; }
.reveal pre code {
display: block;

3
dist/theme/night.css vendored
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@ -188,7 +188,8 @@ section.has-light-background, section.has-light-background h1, section.has-light
.reveal code {
font-family: monospace;
text-transform: none; }
text-transform: none;
tab-size: 2; }
.reveal pre code {
display: block;

3
dist/theme/serif.css vendored
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@ -190,7 +190,8 @@ section.has-dark-background, section.has-dark-background h1, section.has-dark-ba
.reveal code {
font-family: monospace;
text-transform: none; }
text-transform: none;
tab-size: 2; }
.reveal pre code {
display: block;

3
dist/theme/simple.css vendored
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@ -190,7 +190,8 @@ section.has-dark-background, section.has-dark-background h1, section.has-dark-ba
.reveal code {
font-family: monospace;
text-transform: none; }
text-transform: none;
tab-size: 2; }
.reveal pre code {
display: block;

3
dist/theme/sky.css vendored
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@ -197,7 +197,8 @@ section.has-dark-background, section.has-dark-background h1, section.has-dark-ba
.reveal code {
font-family: monospace;
text-transform: none; }
text-transform: none;
tab-size: 2; }
.reveal pre code {
display: block;

3
dist/theme/solarized.css vendored
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@ -191,7 +191,8 @@ html * {
.reveal code {
font-family: monospace;
text-transform: none; }
text-transform: none;
tab-size: 2; }
.reveal pre code {
display: block;

3
dist/theme/white.css vendored
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@ -187,7 +187,8 @@ section.has-dark-background, section.has-dark-background h1, section.has-dark-ba
.reveal code {
font-family: monospace;
text-transform: none; }
text-transform: none;
tab-size: 2; }
.reveal pre code {
display: block;

2
gulpfile.js
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@ -32,6 +32,8 @@ const banner = `/*!
* Copyright (C) 2020 Hakim El Hattab, https://hakim.se
*/\n`
sass.compiler = require('node-sass');
// Prevents warnings from opening too many test pages
process.setMaxListeners(20);

4
index.html
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@ -8,10 +8,10 @@
<link rel="stylesheet" href="dist/reset.css">
<link rel="stylesheet" href="dist/reveal.css">
<link rel="stylesheet" href="dist/theme/black.css" id="theme">
<link rel="stylesheet" href="dist/theme/black.css">
<!-- Theme used for syntax highlighted code -->
<link rel="stylesheet" href="plugin/highlight/monokai.css" id="highlight-theme">
<link rel="stylesheet" href="plugin/highlight/monokai.css">
</head>
<body>
<div class="reveal">

6
js/config.js
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@ -73,8 +73,8 @@ export default {
// Optional function that blocks keyboard events when retuning false
//
// If you set this to 'foucsed', we will only capture keyboard events
// for embdedded decks when they are in focus
// If you set this to 'focused', we will only capture keyboard events
// for embedded decks when they are in focus
keyboardCondition: null,
// Disables the default reveal.js slide layout (scaling and centering)
@ -149,7 +149,7 @@ export default {
// Flags if slides with data-visibility="hidden" should be kep visible
showHiddenSlides: false,
// Global override for autolaying embedded media (video/audio/iframe)
// Global override for autoplaying embedded media (video/audio/iframe)
// - null: Media will only autoplay if data-autoplay is present
// - true: All media will autoplay, regardless of individual setting
// - false: No media will autoplay, regardless of individual setting

40
js/controllers/backgrounds.js
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@ -27,8 +27,6 @@ export default class Backgrounds {
*/
create() {
let printMode = this.Reveal.isPrintingPDF();
// Clear prior backgrounds
this.element.innerHTML = '';
this.element.classList.add( 'no-transition' );
@ -114,9 +112,24 @@ export default class Backgrounds {
*/
sync( slide ) {
let element = slide.slideBackgroundElement,
const element = slide.slideBackgroundElement,
contentElement = slide.slideBackgroundContentElement;
const data = {
background: slide.getAttribute( 'data-background' ),
backgroundSize: slide.getAttribute( 'data-background-size' ),
backgroundImage: slide.getAttribute( 'data-background-image' ),
backgroundVideo: slide.getAttribute( 'data-background-video' ),
backgroundIframe: slide.getAttribute( 'data-background-iframe' ),
backgroundColor: slide.getAttribute( 'data-background-color' ),
backgroundRepeat: slide.getAttribute( 'data-background-repeat' ),
backgroundPosition: slide.getAttribute( 'data-background-position' ),
backgroundTransition: slide.getAttribute( 'data-background-transition' ),
backgroundOpacity: slide.getAttribute( 'data-background-opacity' ),
};
const dataPreload = slide.hasAttribute( 'data-preload' );
// Reset the prior background state in case this is not the
// initial sync
slide.classList.remove( 'has-dark-background' );
@ -135,19 +148,6 @@ export default class Backgrounds {
contentElement.style.opacity = '';
contentElement.innerHTML = '';
let data = {
background: slide.getAttribute( 'data-background' ),
backgroundSize: slide.getAttribute( 'data-background-size' ),
backgroundImage: slide.getAttribute( 'data-background-image' ),
backgroundVideo: slide.getAttribute( 'data-background-video' ),
backgroundIframe: slide.getAttribute( 'data-background-iframe' ),
backgroundColor: slide.getAttribute( 'data-background-color' ),
backgroundRepeat: slide.getAttribute( 'data-background-repeat' ),
backgroundPosition: slide.getAttribute( 'data-background-position' ),
backgroundTransition: slide.getAttribute( 'data-background-transition' ),
backgroundOpacity: slide.getAttribute( 'data-background-opacity' )
};
if( data.background ) {
// Auto-wrap image urls in url(...)
if( /^(http|file|\/\/)/gi.test( data.background ) || /\.(svg|png|jpg|jpeg|gif|bmp)([?#\s]|$)/gi.test( data.background ) ) {
@ -179,7 +179,7 @@ export default class Backgrounds {
if( data.backgroundColor ) element.style.backgroundColor = data.backgroundColor;
if( data.backgroundTransition ) element.setAttribute( 'data-background-transition', data.backgroundTransition );
if( slide.hasAttribute( 'data-preload' ) ) element.setAttribute( 'data-preload', '' );
if( dataPreload ) element.setAttribute( 'data-preload', '' );
// Background image options are set on the content wrapper
if( data.backgroundSize ) contentElement.style.backgroundSize = data.backgroundSize;
@ -192,8 +192,8 @@ export default class Backgrounds {
// color, no class will be added
let contrastColor = data.backgroundColor;
// If no bg color was found, check the computed background
if( !contrastColor ) {
// If no bg color was found, or it cannot be converted by colorToRgb, check the computed background
if( !contrastColor || !colorToRgb( contrastColor ) ) {
let computedBackgroundStyle = window.getComputedStyle( element );
if( computedBackgroundStyle && computedBackgroundStyle.backgroundColor ) {
contrastColor = computedBackgroundStyle.backgroundColor;
@ -201,7 +201,7 @@ export default class Backgrounds {
}
if( contrastColor ) {
let rgb = colorToRgb( contrastColor );
const rgb = colorToRgb( contrastColor );
// Ignore fully transparent backgrounds. Some browsers return
// rgba(0,0,0,0) when reading the computed background color of

1
js/controllers/fragments.js
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@ -235,6 +235,7 @@ export default class Fragments {
el.classList.remove( 'current-fragment' );
if( wasVisible ) {
this.Reveal.slideContent.stopEmbeddedContent( el );
changedFragments.hidden.push( el );
this.Reveal.dispatchEvent({
target: el,

73
js/controllers/print.js
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@ -16,20 +16,26 @@ export default class Print {
* Configures the presentation for printing to a static
* PDF.
*/
setupPDF() {
async setupPDF() {
let config = this.Reveal.getConfig();
const config = this.Reveal.getConfig();
const slides = queryAll( this.Reveal.getRevealElement(), SLIDES_SELECTOR )
let slideSize = this.Reveal.getComputedSlideSize( window.innerWidth, window.innerHeight );
// Compute slide numbers now, before we start duplicating slides
const doingSlideNumbers = config.slideNumber && /all|print/i.test( config.showSlideNumber );
const slideSize = this.Reveal.getComputedSlideSize( window.innerWidth, window.innerHeight );
// Dimensions of the PDF pages
let pageWidth = Math.floor( slideSize.width * ( 1 + config.margin ) ),
const pageWidth = Math.floor( slideSize.width * ( 1 + config.margin ) ),
pageHeight = Math.floor( slideSize.height * ( 1 + config.margin ) );
// Dimensions of slides within the pages
let slideWidth = slideSize.width,
const slideWidth = slideSize.width,
slideHeight = slideSize.height;
await new Promise( requestAnimationFrame );
// Let the browser know what page size we want to print
createStyleSheet( '@page{size:'+ pageWidth +'px '+ pageHeight +'px; margin: 0px;}' );
@ -41,25 +47,32 @@ export default class Print {
document.body.style.height = pageHeight + 'px';
// Make sure stretch elements fit on slide
await new Promise( requestAnimationFrame );
this.Reveal.layoutSlideContents( slideWidth, slideHeight );
// Compute slide numbers now, before we start duplicating slides
let doingSlideNumbers = config.slideNumber && /all|print/i.test( config.showSlideNumber );
queryAll( this.Reveal.getRevealElement(), SLIDES_SELECTOR ).forEach( function( slide ) {
slide.setAttribute( 'data-slide-number', this.Reveal.slideNumber.getSlideNumber( slide ) );
}, this );
// Re-run the slide layout so that r-fit-text is applied based on
// the printed slide size
slides.forEach( slide => this.Reveal.slideContent.layout( slide ) );
// Batch scrollHeight access to prevent layout thrashing
await new Promise( requestAnimationFrame );
const slideScrollHeights = slides.map( slide => slide.scrollHeight );
const pages = [];
const pageContainer = slides[0].parentNode;
// Slide and slide background layout
queryAll( this.Reveal.getRevealElement(), SLIDES_SELECTOR ).forEach( function( slide ) {
slides.forEach( function( slide, index ) {
// Vertical stacks are not centred since their section
// children will be
if( slide.classList.contains( 'stack' ) === false ) {
// Center the slide inside of the page, giving the slide some margin
let left = ( pageWidth - slideWidth ) / 2,
top = ( pageHeight - slideHeight ) / 2;
let left = ( pageWidth - slideWidth ) / 2;
let top = ( pageHeight - slideHeight ) / 2;
let contentHeight = slide.scrollHeight;
const contentHeight = slideScrollHeights[ index ];
let numberOfPages = Math.max( Math.ceil( contentHeight / pageHeight ), 1 );
// Adhere to configured pages per slide limit
@ -72,10 +85,11 @@ export default class Print {
// Wrap the slide in a page element and hide its overflow
// so that no page ever flows onto another
let page = document.createElement( 'div' );
const page = document.createElement( 'div' );
pages.push( page );
page.className = 'pdf-page';
page.style.height = ( ( pageHeight + config.pdfPageHeightOffset ) * numberOfPages ) + 'px';
slide.parentNode.insertBefore( page, slide );
page.appendChild( slide );
// Position the slide inside of the page
@ -91,19 +105,19 @@ export default class Print {
if( config.showNotes ) {
// Are there notes for this slide?
let notes = this.Reveal.getSlideNotes( slide );
const notes = this.Reveal.getSlideNotes( slide );
if( notes ) {
let notesSpacing = 8;
let notesLayout = typeof config.showNotes === 'string' ? config.showNotes : 'inline';
let notesElement = document.createElement( 'div' );
const notesSpacing = 8;
const notesLayout = typeof config.showNotes === 'string' ? config.showNotes : 'inline';
const notesElement = document.createElement( 'div' );
notesElement.classList.add( 'speaker-notes' );
notesElement.classList.add( 'speaker-notes-pdf' );
notesElement.setAttribute( 'data-layout', notesLayout );
notesElement.innerHTML = notes;
if( notesLayout === 'separate-page' ) {
page.parentNode.insertBefore( notesElement, page.nextSibling );
pages.push( notesElement );
}
else {
notesElement.style.left = notesSpacing + 'px';
@ -118,10 +132,11 @@ export default class Print {
// Inject slide numbers if `slideNumbers` are enabled
if( doingSlideNumbers ) {
let numberElement = document.createElement( 'div' );
const slideNumber = index + 1;
const numberElement = document.createElement( 'div' );
numberElement.classList.add( 'slide-number' );
numberElement.classList.add( 'slide-number-pdf' );
numberElement.innerHTML = slide.getAttribute( 'data-slide-number' );
numberElement.innerHTML = slideNumber;
page.appendChild( numberElement );
}
@ -131,10 +146,9 @@ export default class Print {
// Each fragment 'group' is an array containing one or more
// fragments. Multiple fragments that appear at the same time
// are part of the same group.
let fragmentGroups = this.Reveal.fragments.sort( page.querySelectorAll( '.fragment' ), true );
const fragmentGroups = this.Reveal.fragments.sort( page.querySelectorAll( '.fragment' ), true );
let previousFragmentStep;
let previousPage;
fragmentGroups.forEach( function( fragments ) {
@ -151,11 +165,10 @@ export default class Print {
}, this );
// Create a separate page for the current fragment state
let clonedPage = page.cloneNode( true );
page.parentNode.insertBefore( clonedPage, ( previousPage || page ).nextSibling );
const clonedPage = page.cloneNode( true );
pages.push( clonedPage );
previousFragmentStep = fragments;
previousPage = clonedPage;
}, this );
@ -178,6 +191,10 @@ export default class Print {
}, this );
await new Promise( requestAnimationFrame );
pages.forEach( page => pageContainer.appendChild( page ) );
// Notify subscribers that the PDF layout is good to go
this.Reveal.dispatchEvent({ type: 'pdf-ready' });

6
js/controllers/progress.js
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@ -88,14 +88,16 @@ export default class Progress {
event.preventDefault();
let slidesTotal = this.Reveal.getHorizontalSlides().length;
let slides = this.Reveal.getSlides();
let slidesTotal = slides.length;
let slideIndex = Math.floor( ( event.clientX / this.getMaxWidth() ) * slidesTotal );
if( this.Reveal.getConfig().rtl ) {
slideIndex = slidesTotal - slideIndex;
}
this.Reveal.slide( slideIndex );
let targetIndices = this.Reveal.getIndices(slides[slideIndex]);
this.Reveal.slide( targetIndices.h, targetIndices.v );
}

17
js/controllers/slidecontent.js
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@ -102,7 +102,9 @@ export default class SlideContent {
// Images
if( backgroundImage ) {
backgroundContent.style.backgroundImage = 'url('+ encodeURI( backgroundImage ) +')';
backgroundContent.style.backgroundImage = backgroundImage.split( ',' ).map( background => {
return `url(${encodeURI(background.trim())})`;
}).join( ',' );
}
// Videos
else if ( backgroundVideo && !this.Reveal.isSpeakerNotes() ) {
@ -167,11 +169,20 @@ export default class SlideContent {
}
this.layout( slide );
}
/**
* Applies JS-dependent layout helpers for the given slide,
* if there are any.
*/
layout( slide ) {
// Autosize text with the r-fit-text class based on the
// size of its container. This needs to happen after the
// slide is visible in order to measure the text.
Array.from( slide.querySelectorAll( '.r-fit-text:not([data-fitted])' ) ).forEach( element => {
element.dataset.fitted = '';
Array.from( slide.querySelectorAll( '.r-fit-text' ) ).forEach( element => {
fitty( element, {
minSize: 24,
maxSize: this.Reveal.getConfig().height * 0.8,

4
js/controllers/touch.js
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@ -1,4 +1,5 @@
import { isAndroid } from '../utils/device.js'
import { matches } from '../utils/util.js'
const SWIPE_THRESHOLD = 40;
@ -82,6 +83,9 @@ export default class Touch {
*/
isSwipePrevented( target ) {
// Prevent accidental swipes when scrubbing timelines
if( matches( target, 'video, audio' ) ) return true;
while( target && typeof target.hasAttribute === 'function' ) {
if( target.hasAttribute( 'data-prevent-swipe' ) ) return true;
target = target.parentNode;

12
js/reveal.js
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@ -1335,7 +1335,11 @@ export default function( revealElement, options ) {
}
// Announce the current slide contents to screen readers
announceStatus( getStatusText( currentSlide ) );
// Use animation frame to prevent getComputedStyle in getStatusText
// from triggering layout mid-frame
requestAnimationFrame( () => {
announceStatus( getStatusText( currentSlide ) );
});
progress.update();
controls.update();
@ -2290,7 +2294,7 @@ export default function( revealElement, options ) {
// When looping is enabled `routes.down` is always available
// so we need a separate check for when we've reached the
// end of a stack and should move horizontally
if( routes.down && routes.right && config.loop && isLastVerticalSlide( currentSlide ) ) {
if( routes.down && routes.right && config.loop && isLastVerticalSlide() ) {
routes.down = false;
}
@ -2500,6 +2504,10 @@ export default function( revealElement, options ) {
loadSlide: slideContent.load.bind( slideContent ),
unloadSlide: slideContent.unload.bind( slideContent ),
// Preview management
showPreview,
hidePreview: closeOverlay,
// Adds or removes all internal event listeners
addEventListeners,
removeEventListeners,

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5
package.json
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@ -47,12 +47,13 @@
"gulp-connect": "^5.7.0",
"gulp-eslint": "^6.0.0",
"gulp-header": "^2.0.9",
"gulp-sass": "^4.0.2",
"gulp-sass": "^4.1.0",
"gulp-tap": "^2.0.0",
"gulp-zip": "^5.0.1",
"highlight.js": "^10.0.3",
"marked": "^1.1.0",
"marked": "^2.0.3",
"node-qunit-puppeteer": "^2.0.1",
"node-sass": "^5.0.0",
"qunit": "^2.10.0",
"rollup": "^2.26.4",
"rollup-plugin-terser": "^7.0.0",

4
plugin/highlight/highlight.esm.js
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plugin/highlight/highlight.js
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2
plugin/markdown/markdown.esm.js
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plugin/markdown/markdown.js
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7
plugin/markdown/plugin.js
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@ -6,7 +6,7 @@
import marked from 'marked'
const DEFAULT_SLIDE_SEPARATOR = '^\r?\n---\r?\n$',
const DEFAULT_SLIDE_SEPARATOR = '\r?\n---\r?\n',
DEFAULT_NOTES_SEPARATOR = 'notes?:',
DEFAULT_ELEMENT_ATTRIBUTES_SEPARATOR = '\\\.element\\\s*?(.+?)$',
DEFAULT_SLIDE_ATTRIBUTES_SEPARATOR = '\\\.slide:\\\s*?(\\\S.+?)$';
@ -234,7 +234,7 @@ const Plugin = () => {
) );
}
else if( section.getAttribute( 'data-separator' ) || section.getAttribute( 'data-separator-vertical' ) || section.getAttribute( 'data-separator-notes' ) ) {
else {
section.outerHTML = slidify( getMarkdownFromSlide( section ), {
separator: section.getAttribute( 'data-separator' ),
@ -244,9 +244,6 @@ const Plugin = () => {
});
}
else {
section.innerHTML = createMarkdownSlide( getMarkdownFromSlide( section ) );
}
});

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plugin/notes/notes.esm.js
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plugin/notes/notes.js
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plugin/search/search.esm.js
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plugin/search/search.js
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