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add support for responsively activating reader mode via

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Hakim El Hattab committed 2023-10-06 09:14:23 +02:00
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dist/reveal.esm.js
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*
* Copyright (C) 2011-2023 Hakim El Hattab, https://hakim.se
*/
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//# sourceMappingURL=reveal.esm.js.map
dist/reveal.esm.js.map
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{"version":3,"file":"reveal.esm.js","sources":["../js/utils/util.js","../js/utils/device.js","../node_modules/fitty/dist/fitty.module.js","../js/controllers/slidecontent.js","../js/controllers/slidenumber.js","../js/controllers/jumptoslide.js","../js/utils/color.js","../js/controllers/backgrounds.js","../js/utils/constants.js","../js/controllers/autoanimate.js","../js/controllers/fragments.js","../js/controllers/overview.js","../js/controllers/keyboard.js","../js/controllers/location.js","../js/controllers/controls.js","../js/controllers/progress.js","../js/controllers/pointer.js","../js/utils/loader.js","../js/controllers/plugins.js","../js/controllers/reader.js","../js/controllers/print.js","../js/controllers/touch.js","../js/controllers/focus.js","../js/controllers/notes.js","../js/components/playback.js","../js/config.js","../js/reveal.js","../js/index.js"],"sourcesContent":["/**\n * Extend object a with the properties of object b.\n * If there's a conflict, object b takes precedence.\n *\n * @param {object} a\n * @param {object} b\n */\nexport const extend = ( a, b ) => {\n\n\tfor( let i in b ) {\n\t\ta[ i ] = b[ i ];\n\t}\n\n\treturn a;\n\n}\n\n/**\n * querySelectorAll but returns an Array.\n */\nexport const queryAll = ( el, selector ) => {\n\n\treturn Array.from( el.querySelectorAll( selector ) );\n\n}\n\n/**\n * classList.toggle() with cross browser support\n */\nexport const toggleClass = ( el, className, value ) => {\n\tif( value ) {\n\t\tel.classList.add( className );\n\t}\n\telse {\n\t\tel.classList.remove( className );\n\t}\n}\n\n/**\n * Utility for deserializing a value.\n *\n * @param {*} value\n * @return {*}\n */\nexport const deserialize = ( value ) => {\n\n\tif( typeof value === 'string' ) {\n\t\tif( value === 'null' ) return null;\n\t\telse if( value === 'true' ) return true;\n\t\telse if( value === 'false' ) return false;\n\t\telse if( value.match( /^-?[\\d\\.]+$/ ) ) return parseFloat( value );\n\t}\n\n\treturn value;\n\n}\n\n/**\n * Measures the distance in pixels between point a\n * and point b.\n *\n * @param {object} a point with x/y properties\n * @param {object} b point with x/y properties\n *\n * @return {number}\n */\nexport const distanceBetween = ( a, b ) => {\n\n\tlet dx = a.x - b.x,\n\t\tdy = a.y - b.y;\n\n\treturn Math.sqrt( dx*dx + dy*dy );\n\n}\n\n/**\n * Applies a CSS transform to the target element.\n *\n * @param {HTMLElement} element\n * @param {string} transform\n */\nexport const transformElement = ( element, transform ) => {\n\n\telement.style.transform = transform;\n\n}\n\n/**\n * Element.matches with IE support.\n *\n * @param {HTMLElement} target The element to match\n * @param {String} selector The CSS selector to match\n * the element against\n *\n * @return {Boolean}\n */\nexport const matches = ( target, selector ) => {\n\n\tlet matchesMethod = target.matches || target.matchesSelector || target.msMatchesSelector;\n\n\treturn !!( matchesMethod && matchesMethod.call( target, selector ) );\n\n}\n\n/**\n * Find the closest parent that matches the given\n * selector.\n *\n * @param {HTMLElement} target The child element\n * @param {String} selector The CSS selector to match\n * the parents against\n *\n * @return {HTMLElement} The matched parent or null\n * if no matching parent was found\n */\nexport const closest = ( target, selector ) => {\n\n\t// Native Element.closest\n\tif( typeof target.closest === 'function' ) {\n\t\treturn target.closest( selector );\n\t}\n\n\t// Polyfill\n\twhile( target ) {\n\t\tif( matches( target, selector ) ) {\n\t\t\treturn target;\n\t\t}\n\n\t\t// Keep searching\n\t\ttarget = target.parentNode;\n\t}\n\n\treturn null;\n\n}\n\n/**\n * Handling the fullscreen functionality via the fullscreen API\n *\n * @see http://fullscreen.spec.whatwg.org/\n * @see https://developer.mozilla.org/en-US/docs/DOM/Using_fullscreen_mode\n */\nexport const enterFullscreen = element => {\n\n\telement = element || document.documentElement;\n\n\t// Check which implementation is available\n\tlet requestMethod = element.requestFullscreen ||\n\t\t\t\t\t\telement.webkitRequestFullscreen ||\n\t\t\t\t\t\telement.webkitRequestFullScreen ||\n\t\t\t\t\t\telement.mozRequestFullScreen ||\n\t\t\t\t\t\telement.msRequestFullscreen;\n\n\tif( requestMethod ) {\n\t\trequestMethod.apply( element );\n\t}\n\n}\n\n/**\n * Creates an HTML element and returns a reference to it.\n * If the element already exists the existing instance will\n * be returned.\n *\n * @param {HTMLElement} container\n * @param {string} tagname\n * @param {string} classname\n * @param {string} innerHTML\n *\n * @return {HTMLElement}\n */\nexport const createSingletonNode = ( container, tagname, classname, innerHTML='' ) => {\n\n\t// Find all nodes matching the description\n\tlet nodes = container.querySelectorAll( '.' + classname );\n\n\t// Check all matches to find one which is a direct child of\n\t// the specified container\n\tfor( let i = 0; i < nodes.length; i++ ) {\n\t\tlet testNode = nodes[i];\nLine truncated
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i < nodes.length; i++ ) {\n\t\tlet testNode = nodes[i];\nLine truncated
dist/reveal.js
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*
* Copyright (C) 2011-2023 Hakim El Hattab, https://hakim.se
*/
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//# sourceMappingURL=reveal.js.map
dist/reveal.js.map
Vendored
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@@ -1 +1 @@
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i < nodes.length; i++ ) {\n\t\tlet testNode = nodes[i];\n\t\tLine truncated
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i < nodes.length; i++ ) {\n\t\tlet testNode = nodes[i];\n\t\tLine truncated
examples/reader-mode.html
+118
View File
@@ -0,0 +1,118 @@
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>reveal.js - Reader Mode</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no">
<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="../plugin/highlight/monokai.css">
</head>
<body>
<div class="reveal">
<div class="slides">
<section><h1>Reader Mode</h1></section>
<section data-auto-animate data-auto-animate-easing="cubic-bezier(0.770, 0.000, 0.175, 1.000)">
<h2>Auto-Animate</h2>
<p>Automatically animate matching elements across slides with <a href="https://revealjs.com/auto-animate/">Auto-Animate</a>.</p>
<div class="r-hstack justify-center">
<div data-id="box1" style="background: #999; width: 50px; height: 50px; margin: 10px; border-radius: 5px;"></div>
<div data-id="box2" style="background: #999; width: 50px; height: 50px; margin: 10px; border-radius: 5px;"></div>
<div data-id="box3" style="background: #999; width: 50px; height: 50px; margin: 10px; border-radius: 5px;"></div>
</div>
</section>
<section data-auto-animate data-auto-animate-easing="cubic-bezier(0.770, 0.000, 0.175, 1.000)">
<div class="r-hstack justify-center">
<div data-id="box1" data-auto-animate-delay="0" style="background: cyan; width: 150px; height: 100px; margin: 10px;"></div>
<div data-id="box2" data-auto-animate-delay="0.1" style="background: magenta; width: 150px; height: 100px; margin: 10px;"></div>
<div data-id="box3" data-auto-animate-delay="0.2" style="background: yellow; width: 150px; height: 100px; margin: 10px;"></div>
</div>
<h2 style="margin-top: 20px;">Auto-Animate</h2>
</section>
<section data-auto-animate data-auto-animate-easing="cubic-bezier(0.770, 0.000, 0.175, 1.000)">
<div class="r-stack">
<div data-id="box1" style="background: cyan; width: 300px; height: 300px; border-radius: 200px;"></div>
<div data-id="box2" style="background: magenta; width: 200px; height: 200px; border-radius: 200px;"></div>
<div data-id="box3" style="background: yellow; width: 100px; height: 100px; border-radius: 200px;"></div>
</div>
<h2 style="margin-top: 20px;">Auto-Animate</h2>
</section>
<section data-background="indigo">
<h2>Scroll triggers</h2>
<ul>
<li class="fragment">Fragment one</li>
<li class="fragment">Fragment two</li>
<li class="fragment">Fragment three</li>
</ul>
</section>
<section data-background-gradient="linear-gradient(to bottom, #283b95, #17b2c3)">
<h2>Gradient Backgrounds</h2>
</section>
<section data-auto-animate>
<h2 data-id="code-title">Scroll triggered code highlights</h2>
<pre data-id="code-animation"><code class="hljs javascript" data-trim data-line-numbers="|4,8-11|17|22-24"><script type="text/template">
import React, { useState } from 'react';
function Example() {
const [count, setCount] = useState(0);
return (
<div>
<p>You clicked {count} times</p>
<button onClick={() => setCount(count + 1)}>
Click me
</button>
</div>
);
}
function SecondExample() {
const [count, setCount] = useState(0);
return (
<div>
<p>You clicked {count} times</p>
<button onClick={() => setCount(count + 1)}>
Click me
</button>
</div>
);
}
</script></code></pre>
</section>
<section data-background="https://static.slid.es/reveal/image-placeholder.png">
<h2>Image Backgrounds</h2>
<pre><code class="hljs html">&lt;section data-background="image.png"&gt;</code></pre>
</section>
<section data-background-video="https://s3.amazonaws.com/static.slid.es/site/homepage/v1/homepage-video-editor.mp4,https://s3.amazonaws.com/static.slid.es/site/homepage/v1/homepage-video-editor.webm">
<h2>Video background</h2>
</section>
<section><h2>The end</h2></section>
</div>
</div>
<script src="../dist/reveal.js"></script>
<script src="../plugin/notes/notes.js"></script>
<script src="../plugin/markdown/markdown.js"></script>
<script src="../plugin/highlight/highlight.js"></script>
<script>
Reveal.initialize({
view: 'reader',
plugins: [ RevealMarkdown, RevealHighlight, RevealNotes ]
});
</script>
</body>
</html>
js/config.js
+4
View File
@@ -276,6 +276,10 @@ export default {
// Only applies to presentations in reader mode.
readerScrollSnap: 'proximity',
// Responsively activate the reader mode when we reach the specified
// width (in pixels)
readerActivationWidth: null,
// The maximum number of pages a single slide can expand onto when printing
// to PDF, unlimited by default
pdfMaxPagesPerSlide: Number.POSITIVE_INFINITY,
js/controllers/reader.js
+8 -2
View File
@@ -14,6 +14,8 @@ export default class Reader {
this.active = false;
this.activatedCallbacks = [];
this.onScroll = this.onScroll.bind( this );
}
/**
@@ -32,7 +34,7 @@ export default class Reader {
const slides = queryAll( this.Reveal.getRevealElement(), SLIDES_SELECTOR );
viewportElement.classList.add( 'loading-scroll-mode', 'reveal-reader' );
viewportElement.addEventListener( 'scroll', this.onScroll.bind( this ) );
viewportElement.addEventListener( 'scroll', this.onScroll );
let presentationBackground;
if( viewportElement ) {
@@ -113,7 +115,11 @@ export default class Reader {
this.active = false;
this.Reveal.getViewportElement().classList.remove( 'reveal-reader' );
const viewportElement = this.Reveal.getViewportElement();
viewportElement.removeEventListener( 'scroll', this.onScroll );
viewportElement.classList.remove( 'reveal-reader' );
this.Reveal.getSlidesElement().innerHTML = this.slideHTMLBeforeActivation;
this.Reveal.sync();
js/reveal.js
+12
View File
@@ -999,6 +999,18 @@ export default function( revealElement, options ) {
}
});
}
// Responsively turn on the reader mode if there is an activation
// width configured. Ignore if we're configured to always be in
// reader mode.
if( typeof config.readerActivationWidth === 'number' && config.view !== 'reader' ) {
if( size.presentationWidth < config.readerActivationWidth ) {
if( !reader.isActive() ) reader.activate();
}
else {
if( reader.isActive() ) reader.deactivate();
}
}
}
dom.viewport.style.setProperty( '--slide-scale', scale );