reader mode -> scroll view, auto-enable below 435px width

css/reveal.scss

@@ -1868,13 +1868,13 @@ $notesWidthPercent: 25%;
 
 
 /*********************************************
- * READER MODE
+ * SCROLL VIEW
  *********************************************/
 .reveal-viewport.loading-scroll-mode {
 	visibility: hidden;
 }
 
-.reveal-viewport.reveal-reader {
+.reveal-viewport.reveal-scroll {
 	& {
 		margin: 0 auto !important;
 		overflow: auto;
@@ -1882,14 +1882,14 @@ $notesWidthPercent: 25%;
 		overflow-y: auto;
 		z-index: 1;
 
-		--r-reader-progress-width: 7px;
-		--r-reader-progress-trigger-size: 5px;
+		--r-scrollbar-width: 7px;
+		--r-scrollbar-trigger-size: 5px;
 		--r-controls-spacing: 8px;
 	}
 
 	@media screen and (max-width: 500px) {
-		--r-reader-progress-width: 3px;
-		--r-reader-progress-trigger-size: 3px;
+		--r-scrollbar-width: 3px;
+		--r-scrollbar-trigger-size: 3px;
 	}
 
 	.controls,
@@ -1923,7 +1923,7 @@ $notesWidthPercent: 25%;
 		perspective-origin: 50% 50%;
 	}
 
-	.reader-page {
+	.scroll-page {
 		position: relative;
 		width: 100%;
 		height: calc(var(--page-height) + var(--page-scroll-padding));
@@ -1931,13 +1931,13 @@ $notesWidthPercent: 25%;
 		overflow: visible;
 	}
 
-	.reader-page-sticky {
+	.scroll-page-sticky {
 		position: sticky;
 		height: var(--page-height);
 		top: 0px;
 	}
 
-	.reader-page-content {
+	.scroll-page-content {
 		position: absolute;
 		top: 0;
 		left: 0;
@@ -1946,7 +1946,7 @@ $notesWidthPercent: 25%;
 		overflow: hidden;
 	}
 
-	.reader-page section {
+	.scroll-page section {
 		visibility: visible !important;
 		display: block !important;
 		position: absolute !important;
@@ -1975,14 +1975,14 @@ $notesWidthPercent: 25%;
 }
 
 // Chromium
-.reveal-viewport.reveal-reader[data-reader-scroll-bar="true"]::-webkit-scrollbar,
-.reveal-viewport.reveal-reader[data-reader-scroll-bar="auto"]::-webkit-scrollbar {
+.reveal-viewport.reveal-scroll[data-scrollbar="true"]::-webkit-scrollbar,
+.reveal-viewport.reveal-scroll[data-scrollbar="auto"]::-webkit-scrollbar {
   display: none;
 }
 
 // Firefox
-.reveal-viewport.reveal-reader[data-reader-scroll-bar="true"],
-.reveal-viewport.reveal-reader[data-reader-scroll-bar="auto"] {
+.reveal-viewport.reveal-scroll[data-scrollbar="true"],
+.reveal-viewport.reveal-scroll[data-scrollbar="auto"] {
   scrollbar-width: none;
 }
 
@@ -1997,7 +1997,7 @@ $notesWidthPercent: 25%;
 	--r-overlay-element-fg-color: 240, 240, 240;
 }
 
-.reveal-viewport.reveal-reader .reader-progress {
+.reveal-viewport.reveal-scroll .scrollbar {
 	position: sticky;
 	top: 50%;
 	z-index: 20;
@@ -2009,40 +2009,40 @@ $notesWidthPercent: 25%;
 		opacity: 1;
 	}
 
-	.reader-progress-inner {
+	.scrollbar-inner {
 		position: absolute;
-		width: var(--r-reader-progress-width);
+		width: var(--r-scrollbar-width);
 		height: calc(var(--viewport-height) - var(--r-controls-spacing) * 2);
 		right: var(--r-controls-spacing);
 		top: 0;
 		transform: translateY(-50%);
-		border-radius: var(--r-reader-progress-width);
+		border-radius: var(--r-scrollbar-width);
 		z-index: 10;
 	}
 
-	.reader-progress-playhead {
+	.scrollbar-playhead {
 		position: absolute;
-		width: var(--r-reader-progress-width);
-		height: var(--r-reader-progress-width);
+		width: var(--r-scrollbar-width);
+		height: var(--r-scrollbar-width);
 		top: 0;
 		left: 0;
-		border-radius: var(--r-reader-progress-width);
+		border-radius: var(--r-scrollbar-width);
 		background-color: rgba(var(--r-overlay-element-bg-color), 1);
 		z-index: 11;
 		transition: background-color 0.2s ease;
 	}
 
-	.reader-progress-slide {
+	.scrollbar-slide {
 		position: absolute;
 		width: 100%;
 		background-color: rgba(var(--r-overlay-element-bg-color), 0.2);
 		box-shadow: 0 0 0px 1px rgba(var(--r-overlay-element-fg-color), 0.1);
-		border-radius: var(--r-reader-progress-width);
+		border-radius: var(--r-scrollbar-width);
 		transition: background-color 0.2s ease;
 	}
 
 	// Hit area
-	.reader-progress-slide:after {
+	.scrollbar-slide:after {
 		content: '';
 		position: absolute;
 		width: 200%;
@@ -2053,27 +2053,27 @@ $notesWidthPercent: 25%;
 		z-index: -1;
 	}
 
-	.reader-progress-slide:hover,
-	.reader-progress-slide.active {
+	.scrollbar-slide:hover,
+	.scrollbar-slide.active {
 		background-color: rgba(var(--r-overlay-element-bg-color), 0.4);
 	}
 
-	.reader-progress-trigger {
+	.scrollbar-trigger {
 		position: absolute;
 		width: 100%;
 		transition: background-color 0.2s ease;
 	}
 
-	.reader-progress-slide.active.has-triggers {
+	.scrollbar-slide.active.has-triggers {
 		background-color: rgba(var(--r-overlay-element-bg-color), 0.4);
 		z-index: 10;
 	}
 
-	.reader-progress-slide.active .reader-progress-trigger:after {
+	.scrollbar-slide.active .scrollbar-trigger:after {
 		content: '';
 		position: absolute;
-		width: var(--r-reader-progress-trigger-size);
-		height: var(--r-reader-progress-trigger-size);
+		width: var(--r-scrollbar-trigger-size);
+		height: var(--r-scrollbar-trigger-size);
 		border-radius: 20px;
 		top: 50%;
 		left: 50%;
@@ -2083,13 +2083,13 @@ $notesWidthPercent: 25%;
 		opacity: 0.4;
 	}
 
-	.reader-progress-slide.active .reader-progress-trigger.active:after,
-	.reader-progress-slide.active .reader-progress-trigger.active ~ .reader-progress-trigger:after {
+	.scrollbar-slide.active .scrollbar-trigger.active:after,
+	.scrollbar-slide.active .scrollbar-trigger.active ~ .scrollbar-trigger:after {
 		opacity: 1;
 	}
 
-	.reader-progress-slide.active .reader-progress-trigger ~ .reader-progress-trigger.active:after {
-		transform: translate(calc( var(--r-reader-progress-width) * -2), 0);
+	.scrollbar-slide.active .scrollbar-trigger ~ .scrollbar-trigger.active:after {
+		transform: translate(calc( var(--r-scrollbar-width) * -2), 0);
 		background-color: rgba(var(--r-overlay-element-bg-color), 1);
 	}
 }

examples/scroll.html

@@ -4,7 +4,7 @@
 	<head>
 		<meta charset="utf-8">
 
-		<title>reveal.js - Reader Mode</title>
+		<title>reveal.js - Scroll View</title>
 
 		<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no">
 
@@ -20,7 +20,7 @@
 
 			<div class="slides">
 
-				<section><h1>Reader Mode</h1></section>
+				<section><h1>Scroll View</h1></section>
 				<section data-background="indigo">
 					<h2>Scroll triggers</h2>
 					<ul>
@@ -111,7 +111,7 @@
 		<script src="../plugin/highlight/highlight.js"></script>
 		<script>
       Reveal.initialize({
-        view: 'reader',
+        view: 'scroll',
         hash: true,
 
 				plugins: [ RevealMarkdown, RevealHighlight, RevealNotes ]

js/config.js

@@ -258,33 +258,33 @@ export default {
 
 	// Can be used to initialize reveal.js in one of the following views:
 	// - print:   Render the presentation so that it can be printed to PDF
-	// - reader:  Show the presentation as a tall scrollable page with scroll
+	// - scroll:  Show the presentation as a tall scrollable page with scroll
 	//            triggered animations
 	view: null,
 
-	// Adjusts the height of each slide in reader mode
+	// Adjusts the height of each slide in the scroll view.
 	// - full:       Each slide is as tall as the viewport
 	// - compact:    Slides are as small as possible, allowing multiple slides
 	//               to be visible in parallel on tall devices
-	readerLayout: 'full',
+	scrollLayout: 'full',
 
-	// Control how scroll snapping works in reader mode.
+	// Control how scroll snapping works in the scroll view.
 	// - false:   	No snapping, scrolling is continuous
 	// - proximity:  Snap when close to a slide
 	// - mandatory:  Always snap to the closest slide
 	//
-	// Only applies to presentations in reader mode.
-	readerScrollSnap: 'mandatory',
+	// Only applies to presentations in scroll view.
+	scrollSnap: 'mandatory',
 
-	// Enables and configure the reader mode scroll bar.
+	// Enables and configure the scroll view progress bar.
 	// - 'auto':    Show the scrollbar while scrolling, hide while idle
 	// - true:      Always show the scrollbar
 	// - false:     Never show the scrollbar
-	readerScrollbar: 'auto',
+	scrollProgress: 'auto',
 
-	// Responsively activate the reader mode when we reach the specified
-	// width (in pixels)
-	readerActivationWidth: null,
+	// Automatically activate the scroll view when we the viewport falls
+	// below the given width.
+	scrollActivationWidth: 435,
 
 	// The maximum number of pages a single slide can expand onto when printing
 	// to PDF, unlimited by default

js/controllers/notes.js

@@ -40,8 +40,8 @@ export default class Notes {
 
 		if( this.Reveal.getConfig().showNotes &&
 			this.element && this.Reveal.getCurrentSlide() &&
-			!this.Reveal.isReaderMode() &&
-			!this.Reveal.isPrinting()
+			!this.Reveal.isScrollView() &&
+			!this.Reveal.isPrintView()
 		) {
 			this.element.innerHTML = this.getSlideNotes() || '<span class="notes-placeholder">No notes on this slide.</span>';
 		}
@@ -58,8 +58,8 @@ export default class Notes {
 
 		if( this.Reveal.getConfig().showNotes &&
 			this.hasNotes() &&
-			!this.Reveal.isReaderMode() &&
-			!this.Reveal.isPrinting()
+			!this.Reveal.isScrollView() &&
+			!this.Reveal.isPrintView()
 		) {
 			this.Reveal.getRevealElement().classList.add( 'show-notes' );
 		}

js/controllers/overview.js

@@ -24,7 +24,7 @@ export default class Overview {
 	activate() {
 
 		// Only proceed if enabled in config
-		if( this.Reveal.getConfig().overview && !this.Reveal.isReaderMode() && !this.isActive() ) {
+		if( this.Reveal.getConfig().overview && !this.Reveal.isScrollView() && !this.isActive() ) {
 
 			this.active = true;
 

js/controllers/printview.js

@@ -4,7 +4,7 @@ import { queryAll, createStyleSheet } from '../utils/util.js'
 /**
  * Setups up our presentation for printing/exporting to PDF.
  */
-export default class Print {
+export default class PrintView {
 
 	constructor( Reveal ) {
 

js/controllers/scrollview.js

@@ -7,10 +7,10 @@ const MIN_PROGRESS_SEGMENT_HEIGHT = 6;
 const MIN_PLAYHEAD_HEIGHT = 8;
 
 /**
- * The reader mode lets you read a reveal.js presentation
+ * The scroll view lets you read a reveal.js presentation
  * as a linear scrollable page.
  */
-export default class Reader {
+export default class ScrollView {
 
 	constructor( Reveal ) {
 
@@ -24,7 +24,7 @@ export default class Reader {
 	}
 
 	/**
-	 * Activates the reader mode. This rearranges the presentation DOM
+	 * Activates the scroll view. This rearranges the presentation DOM
 	 * by—among other things—wrapping each slide in a page element.
 	 */
 	activate() {
@@ -36,12 +36,12 @@ export default class Reader {
 		this.active = true;
 
 		// Store the full presentation HTML so that we can restore it
-		// when/if the reader mode is deactivated
+		// when/if the scroll view is deactivated
 		this.slideHTMLBeforeActivation = this.Reveal.getSlidesElement().innerHTML;
 
 		const horizontalSlides = queryAll( this.Reveal.getRevealElement(), HORIZONTAL_SLIDES_SELECTOR );
 
-		this.viewportElement.classList.add( 'loading-scroll-mode', 'reveal-reader' );
+		this.viewportElement.classList.add( 'loading-scroll-mode', 'reveal-scroll' );
 
 		let presentationBackground;
 
@@ -65,15 +65,15 @@ export default class Reader {
 			// group it under the same page element as the previous slide
 			if( previousSlide && this.Reveal.shouldAutoAnimateBetween( previousSlide, slide ) ) {
 				contentContainer = document.createElement( 'div' );
-				contentContainer.className = 'reader-page-content reader-auto-animate-page';
+				contentContainer.className = 'scroll-page-content scroll-auto-animate-page';
 				contentContainer.style.display = 'none';
-				previousSlide.closest( '.reader-page-content' ).parentNode.appendChild( contentContainer );
+				previousSlide.closest( '.scroll-page-content' ).parentNode.appendChild( contentContainer );
 			}
 			else {
 				// Wrap the slide in a page element and hide its overflow
 				// so that no page ever flows onto another
 				const page = document.createElement( 'div' );
-				page.className = 'reader-page';
+				page.className = 'scroll-page';
 				pageElements.push( page );
 
 				// Copy the presentation-wide background to each page
@@ -82,11 +82,11 @@ export default class Reader {
 				}
 
 				const stickyContainer = document.createElement( 'div' );
-				stickyContainer.className = 'reader-page-sticky';
+				stickyContainer.className = 'scroll-page-sticky';
 				page.appendChild( stickyContainer );
 
 				contentContainer = document.createElement( 'div' );
-				contentContainer.className = 'reader-page-content';
+				contentContainer.className = 'scroll-page-content';
 				stickyContainer.appendChild( contentContainer );
 			}
 
@@ -144,7 +144,7 @@ export default class Reader {
 	}
 
 	/**
-	 * Deactivates the reader mode and restores the standard slide-based
+	 * Deactivates the scroll view and restores the standard slide-based
 	 * presentation.
 	 */
 	deactivate() {
@@ -156,7 +156,7 @@ export default class Reader {
 		this.active = false;
 
 		this.viewportElement.removeEventListener( 'scroll', this.onScroll );
-		this.viewportElement.classList.remove( 'reveal-reader' );
+		this.viewportElement.classList.remove( 'reveal-scroll' );
 
 		this.removeProgressBar();
 
@@ -180,7 +180,7 @@ export default class Reader {
 	}
 
 	/**
-	 * Checks if the reader mode is currently active.
+	 * Checks if the scroll view is currently active.
 	 */
 	isActive() {
 
@@ -194,14 +194,14 @@ export default class Reader {
 	createProgressBar() {
 
 		this.progressBar = document.createElement( 'div' );
-		this.progressBar.className = 'reader-progress';
+		this.progressBar.className = 'scrollbar';
 
 		this.progressBarInner = document.createElement( 'div' );
-		this.progressBarInner.className = 'reader-progress-inner';
+		this.progressBarInner.className = 'scrollbar-inner';
 		this.progressBar.appendChild( this.progressBarInner );
 
 		this.progressBarPlayhead = document.createElement( 'div' );
-		this.progressBarPlayhead.className = 'reader-progress-playhead';
+		this.progressBarPlayhead.className = 'scrollbar-playhead';
 		this.progressBarInner.appendChild( this.progressBarPlayhead );
 
 		this.viewportElement.insertBefore( this.progressBar, this.viewportElement.firstChild );
@@ -261,7 +261,7 @@ export default class Reader {
 	}
 
 	/**
-	 * Updates our reader pages to match the latest configuration and
+	 * Updates our pages to match the latest configuration and
 	 * presentation size.
 	 */
 	syncPages() {
@@ -270,7 +270,7 @@ export default class Reader {
 
 		const slideSize = this.Reveal.getComputedSlideSize( window.innerWidth, window.innerHeight );
 		const scale = this.Reveal.getScale();
-		const useCompactLayout = config.readerLayout === 'compact';
+		const useCompactLayout = config.scrollLayout === 'compact';
 
 		const viewportHeight = this.viewportElement.offsetHeight;
 		const compactHeight = slideSize.height * scale;
@@ -280,22 +280,21 @@ export default class Reader {
 		const scrollTriggerHeight = useCompactLayout ? compactHeight : viewportHeight;
 
 		this.viewportElement.style.setProperty( '--page-height', pageHeight + 'px' );
-		this.viewportElement.style.scrollSnapType = typeof config.readerScrollSnap === 'string' ?
-												`y ${config.readerScrollSnap}` : '';
+		this.viewportElement.style.scrollSnapType = typeof config.scrollSnap === 'string' ? `y ${config.scrollSnap}` : '';
 
 		// This will hold all scroll triggers used to show/hide slides
 		this.slideTriggers = [];
 
-		const pageElements = Array.from( this.Reveal.getRevealElement().querySelectorAll( '.reader-page' ) );
+		const pageElements = Array.from( this.Reveal.getRevealElement().querySelectorAll( '.scroll-page' ) );
 
 		this.pages = pageElements.map( pageElement => {
 			const page = this.createPage({
 				pageElement,
 				slideElement: pageElement.querySelector( 'section' ),
-				stickyElement: pageElement.querySelector( '.reader-page-sticky' ),
-				contentElement: pageElement.querySelector( '.reader-page-content' ),
+				stickyElement: pageElement.querySelector( '.scroll-page-sticky' ),
+				contentElement: pageElement.querySelector( '.scroll-page-content' ),
 				backgroundElement: pageElement.querySelector( '.slide-background' ),
-				autoAnimateElements: pageElement.querySelectorAll( '.reader-auto-animate-page' ),
+				autoAnimateElements: pageElement.querySelectorAll( '.scroll-auto-animate-page' ),
 				autoAnimatePages: []
 			});
 
@@ -324,7 +323,7 @@ export default class Reader {
 			}, page.autoAnimatePages.length );
 
 			// Clean up from previous renders
-			page.pageElement.querySelectorAll( '.reader-snap-point' ).forEach( el => el.remove() );
+			page.pageElement.querySelectorAll( '.scroll-snap-point' ).forEach( el => el.remove() );
 
 			// Create snap points for all scroll triggers
 			// - Can't be absolute in FF
@@ -333,7 +332,7 @@ export default class Reader {
 			//   inner triggers won't work
 			for( let i = 0; i < totalScrollTriggerCount + 1; i++ ) {
 				const triggerStick = document.createElement( 'div' );
-				triggerStick.className = 'reader-snap-point';
+				triggerStick.className = 'scroll-snap-point';
 				triggerStick.style.height = scrollTriggerHeight + 'px';
 				triggerStick.style.scrollSnapAlign = useCompactLayout ? 'center' : 'start';
 				page.pageElement.appendChild( triggerStick );
@@ -390,9 +389,9 @@ export default class Reader {
 		}))
 		*/
 
-		this.viewportElement.setAttribute( 'data-reader-scroll-bar', config.readerScrollbar );
+		this.viewportElement.setAttribute( 'data-scrollbar', config.scrollProgress );
 
-		if( config.readerScrollbar && this.totalScrollTriggerCount > 1 ) {
+		if( config.scrollProgress && this.totalScrollTriggerCount > 1 ) {
 			// Create the progress bar if it doesn't already exist
 			if( !this.progressBar ) this.createProgressBar();
 
@@ -534,7 +533,7 @@ export default class Reader {
 	 */
 	syncProgressBar() {
 
-		this.progressBarInner.querySelectorAll( '.reader-progress-slide' ).forEach( slide => slide.remove() );
+		this.progressBarInner.querySelectorAll( '.scrollbar-slide' ).forEach( slide => slide.remove() );
 
 		const scrollHeight = this.viewportElement.scrollHeight;
 		const viewportHeight = this.viewportElement.offsetHeight;
@@ -558,7 +557,7 @@ export default class Reader {
 
 				// Visual representation of a slide
 				page.progressBarSlide = document.createElement( 'div' );
-				page.progressBarSlide.className = 'reader-progress-slide';
+				page.progressBarSlide.className = 'scrollbar-slide';
 				page.progressBarSlide.style.top = slideTrigger.range[0] * this.progressBarHeight + 'px';
 				page.progressBarSlide.style.height = ( slideTrigger.range[1] - slideTrigger.range[0] ) * this.progressBarHeight - spacing + 'px';
 				page.progressBarSlide.classList.toggle( 'has-triggers', page.scrollTriggers.length > 0 );
@@ -568,7 +567,7 @@ export default class Reader {
 				page.scrollTriggerElements = page.scrollTriggers.map( ( trigger, i ) => {
 
 					const triggerElement = document.createElement( 'div' );
-					triggerElement.className = 'reader-progress-trigger';
+					triggerElement.className = 'scrollbar-trigger';
 					triggerElement.style.top = ( trigger.range[0] - slideTrigger.range[0] ) * this.progressBarHeight + 'px';
 					triggerElement.style.height = ( trigger.range[1] - trigger.range[0] ) * this.progressBarHeight - spacing + 'px';
 					page.progressBarSlide.appendChild( triggerElement );
@@ -688,10 +687,12 @@ export default class Reader {
 
 		clearTimeout( this.hideProgressBarTimeout );
 
-		if( this.Reveal.getConfig().readerScrollbar === 'auto' && !this.draggingProgressBar ) {
+		if( this.Reveal.getConfig().scrollProgress === 'auto' && !this.draggingProgressBar ) {
 
 			this.hideProgressBarTimeout = setTimeout( () => {
-				this.progressBar.classList.remove( 'visible' );
+				if( this.progressBar ) {
+					this.progressBar.classList.remove( 'visible' );
+				}
 			}, HIDE_SCROLLBAR_TIMEOUT );
 
 		}
@@ -705,7 +706,7 @@ export default class Reader {
 	 */
 	scrollToSlide( slideElement ) {
 
-		// If the reader mode isn't active yet, queue this action
+		// If the scroll view isn't active yet, queue this action
 		if( !this.active ) {
 			this.activatedCallbacks.push( () => this.scrollToSlide( slideElement ) );
 		}
@@ -730,8 +731,8 @@ export default class Reader {
 		clearTimeout( this.storeScrollPositionTimeout );
 
 		this.storeScrollPositionTimeout = setTimeout( () => {
-			sessionStorage.setItem( 'reveal-reader-scroll', this.viewportElement.scrollTop );
-			sessionStorage.setItem( 'reveal-reader-scroll-origin', location.origin + location.pathname );
+			sessionStorage.setItem( 'reveal-scroll-top', this.viewportElement.scrollTop );
+			sessionStorage.setItem( 'reveal-scroll-origin', location.origin + location.pathname );
 
 			this.storeScrollPositionTimeout = null;
 		}, 50 );
@@ -743,8 +744,8 @@ export default class Reader {
 	 */
 	restoreScrollPosition() {
 
-		const scrollPosition = sessionStorage.getItem( 'reveal-reader-scroll' );
-		const scrollOrigin = sessionStorage.getItem( 'reveal-reader-scroll-origin' );
+		const scrollPosition = sessionStorage.getItem( 'reveal-scroll-top' );
+		const scrollOrigin = sessionStorage.getItem( 'reveal-scroll-origin' );
 
 		if( scrollPosition && scrollOrigin === location.origin + location.pathname ) {
 			this.viewportElement.scrollTop = parseInt( scrollPosition, 10 );
@@ -769,15 +770,18 @@ export default class Reader {
 			contentElement.style.display = 'block';
 
 			slideElement.classList.add( 'present' );
-			backgroundElement.classList.add( 'present' );
 
-			this.Reveal.setCurrentReaderPage( slideElement, indexh, indexv );
+			if( backgroundElement ) {
+				backgroundElement.classList.add( 'present' );
+			}
+
+			this.Reveal.setCurrentScrollPage( slideElement, indexh, indexv );
 			this.Reveal.backgrounds.bubbleSlideContrastClassToElement( slideElement, this.viewportElement );
 
 			// If this page is part of an auto-animation there will be one
 			// content element per auto-animated page. We need to show the
 			// current page and hide all others.
-			Array.from( contentElement.parentNode.querySelectorAll( '.reader-page-content' ) ).forEach( sibling => {
+			Array.from( contentElement.parentNode.querySelectorAll( '.scroll-page-content' ) ).forEach( sibling => {
 				if( sibling !== contentElement ) {
 					sibling.style.display = 'none';
 				}
@@ -857,7 +861,7 @@ export default class Reader {
 	}
 
 	/**
-	 * Get a list of all pages in the reader moder. This includes
+	 * Get a list of all pages in the scroll view. This includes
 	 * both top-level slides and auto-animate steps.
 	 *
 	 * @returns {Array}

js/controllers/slidecontent.js

@@ -25,7 +25,7 @@ export default class SlideContent {
 	 */
 	shouldPreload( element ) {
 
-		if( this.Reveal.isReaderMode() ) {
+		if( this.Reveal.isScrollView() ) {
 			return true;
 		}
 

js/controllers/slidenumber.js

@@ -23,7 +23,7 @@ export default class SlideNumber {
 	configure( config, oldConfig ) {
 
 		let slideNumberDisplay = 'none';
-		if( config.slideNumber && !this.Reveal.isPrinting() ) {
+		if( config.slideNumber && !this.Reveal.isPrintView() ) {
 			if( config.showSlideNumber === 'all' ) {
 				slideNumberDisplay = 'block';
 			}

js/reveal.js

@@ -3,6 +3,8 @@ import SlideNumber from './controllers/slidenumber.js'
 import JumpToSlide from './controllers/jumptoslide.js'
 import Backgrounds from './controllers/backgrounds.js'
 import AutoAnimate from './controllers/autoanimate.js'
+import ScrollView from './controllers/scrollview.js'
+import PrintView from './controllers/printview.js'
 import Fragments from './controllers/fragments.js'
 import Overview from './controllers/overview.js'
 import Keyboard from './controllers/keyboard.js'
@@ -11,8 +13,6 @@ import Controls from './controllers/controls.js'
 import Progress from './controllers/progress.js'
 import Pointer from './controllers/pointer.js'
 import Plugins from './controllers/plugins.js'
-import Reader from './controllers/reader.js'
-import Print from './controllers/print.js'
 import Touch from './controllers/touch.js'
 import Focus from './controllers/focus.js'
 import Notes from './controllers/notes.js'
@@ -106,6 +106,8 @@ export default function( revealElement, options ) {
 		jumpToSlide = new JumpToSlide( Reveal ),
 		autoAnimate = new AutoAnimate( Reveal ),
 		backgrounds = new Backgrounds( Reveal ),
+		scrollView = new ScrollView( Reveal ),
+		printView = new PrintView( Reveal ),
 		fragments = new Fragments( Reveal ),
 		overview = new Overview( Reveal ),
 		keyboard = new Keyboard( Reveal ),
@@ -114,8 +116,6 @@ export default function( revealElement, options ) {
 		progress = new Progress( Reveal ),
 		pointer = new Pointer( Reveal ),
 		plugins = new Plugins( Reveal ),
-		reader = new Reader( Reveal ),
-		print = new Print( Reveal ),
 		focus = new Focus( Reveal ),
 		touch = new Touch( Reveal ),
 		notes = new Notes( Reveal );
@@ -211,7 +211,7 @@ export default function( revealElement, options ) {
 		// Create slide backgrounds
 		backgrounds.update( true );
 
-		// Activate the print/reader mode if configured
+		// Activate the print/scroll view if configured
 		activateInitialView();
 
 		// Read the initial hash
@@ -244,9 +244,9 @@ export default function( revealElement, options ) {
 	function activateInitialView() {
 
 		const activatePrintView = config.view === 'print';
-		const activateReaderView = config.view === 'reader';
+		const activateScrollView = config.view === 'scroll' || config.view === 'reader';
 
-		if( activatePrintView || activateReaderView ) {
+		if( activatePrintView || activateScrollView ) {
 
 			if( activatePrintView ) {
 				removeEventListeners();
@@ -262,14 +262,14 @@ export default function( revealElement, options ) {
 				// The document needs to have loaded for the PDF layout
 				// measurements to be accurate
 				if( document.readyState === 'complete' ) {
-					print.activate();
+					printView.activate();
 				}
 				else {
-					window.addEventListener( 'load', () => print.activate() );
+					window.addEventListener( 'load', () => printView.activate() );
 				}
 			}
 			else {
-				reader.activate();
+				scrollView.activate();
 			}
 		}
 
@@ -417,7 +417,7 @@ export default function( revealElement, options ) {
 	function setupScrollPrevention() {
 
 		setInterval( () => {
-			if( !reader.isActive() && dom.wrapper.scrollTop !== 0 || dom.wrapper.scrollLeft !== 0 ) {
+			if( !scrollView.isActive() && dom.wrapper.scrollTop !== 0 || dom.wrapper.scrollLeft !== 0 ) {
 				dom.wrapper.scrollTop = 0;
 				dom.wrapper.scrollLeft = 0;
 			}
@@ -924,7 +924,7 @@ export default function( revealElement, options ) {
 	 */
 	function layout() {
 
-		if( dom.wrapper && !print.isActive() ) {
+		if( dom.wrapper && !printView.isActive() ) {
 
 			const viewportWidth = dom.viewport.offsetWidth;
 			const viewportHeight = dom.viewport.offsetHeight;
@@ -941,7 +941,7 @@ export default function( revealElement, options ) {
 					document.documentElement.style.setProperty( '--vh', ( window.innerHeight * 0.01 ) + 'px' );
 				}
 
-				const size = reader.isActive() ?
+				const size = scrollView.isActive() ?
 							 getComputedSlideSize( viewportWidth, viewportHeight ) :
 							 getComputedSlideSize();
 
@@ -961,8 +961,8 @@ export default function( revealElement, options ) {
 				scale = Math.min( scale, config.maxScale );
 
 				// Don't apply any scaling styles if scale is 1 or we're
-				// in reader mode
-				if( scale === 1 || reader.isActive() ) {
+				// in the scroll view
+				if( scale === 1 || scrollView.isActive() ) {
 					dom.slides.style.zoom = '';
 					dom.slides.style.left = '';
 					dom.slides.style.top = '';
@@ -1017,15 +1017,15 @@ export default function( revealElement, options ) {
 					});
 				}
 
-				// Responsively turn on the reader mode if there is an activation
+				// Responsively turn on the scroll 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();
+				// scroll mode.
+				if( typeof config.scrollActivationWidth === 'number' && config.view !== 'scroll' ) {
+					if( size.presentationWidth <= config.scrollActivationWidth ) {
+						if( !scrollView.isActive() ) scrollView.activate();
 					}
 					else {
-						if( reader.isActive() ) reader.deactivate();
+						if( scrollView.isActive() ) scrollView.deactivate();
 					}
 				}
 			}
@@ -1034,7 +1034,7 @@ export default function( revealElement, options ) {
 			dom.viewport.style.setProperty( '--viewport-width', viewportWidth + 'px' );
 			dom.viewport.style.setProperty( '--viewport-height', viewportHeight + 'px' );
 
-			reader.layout();
+			scrollView.layout();
 
 			progress.update();
 			backgrounds.updateParallax();
@@ -1375,11 +1375,11 @@ export default function( revealElement, options ) {
 		// Query all horizontal slides in the deck
 		const horizontalSlides = dom.wrapper.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR );
 
-		// If we're in reader mode we scroll the target slide into view
+		// If we're in scroll mode, we scroll the target slide into view
 		// instead of running our standard slide transition
-		if( reader.isActive() ) {
-			const scrollToSlide = reader.getSlideByIndices( h, v );
-			if( scrollToSlide ) reader.scrollToSlide( scrollToSlide );
+		if( scrollView.isActive() ) {
+			const scrollToSlide = scrollView.getSlideByIndices( h, v );
+			if( scrollToSlide ) scrollView.scrollToSlide( scrollToSlide );
 			return;
 		}
 
@@ -1565,13 +1565,14 @@ export default function( revealElement, options ) {
 	}
 
 	/**
-	 * Called anytime current page in reader mode changes. The current
-	 * page is the page that occupies the most space in the viewport.
+	 * Called anytime a new slide should be activated while in the scroll
+	 * view. The active slide is the page that occupies the most space in
+	 * the scrollable viewport.
 	 *
 	 * @param {number} pageIndex
 	 * @param {HTMLElement} slideElement
 	 */
-	function setCurrentReaderPage( slideElement, h, v ) {
+	function setCurrentScrollPage( slideElement, h, v ) {
 
 		let indexhBefore = indexh || 0;
 
@@ -1754,7 +1755,7 @@ export default function( revealElement, options ) {
 		let slides = Util.queryAll( dom.wrapper, selector ),
 			slidesLength = slides.length;
 
-		let printMode = reader.isActive() || print.isActive();
+		let printMode = scrollView.isActive() || printView.isActive();
 		let loopedForwards = false;
 		let loopedBackwards = false;
 
@@ -1914,7 +1915,7 @@ export default function( revealElement, options ) {
 			}
 
 			// All slides need to be visible when exporting to PDF
-			if( print.isActive() ) {
+			if( printView.isActive() ) {
 				viewDistance = Number.MAX_VALUE;
 			}
 
@@ -2145,8 +2146,8 @@ export default function( revealElement, options ) {
 
 		// If a slide is specified, return the indices of that slide
 		if( slide ) {
-			// In reader mode the original h/x index is stored on the slide
-			if( reader.isActive() ) {
+			// In scroll mode the original h/x index is stored on the slide
+			if( scrollView.isActive() ) {
 				h = parseInt( slide.getAttribute( 'data-index-h' ), 10 );
 
 				if( slide.getAttribute( 'data-index-v' ) ) {
@@ -2842,8 +2843,8 @@ export default function( revealElement, options ) {
 		// Toggles the overview mode on/off
 		toggleOverview: overview.toggle.bind( overview ),
 
-		// Toggles the reader mode on/off
-		toggleReaderMode: reader.toggle.bind( reader ),
+		// Toggles the scroll view on/off
+		toggleScrollView: scrollView.toggle.bind( scrollView ),
 
 		// Toggles the "black screen" mode on/off
 		togglePause,
@@ -2868,8 +2869,8 @@ export default function( revealElement, options ) {
 		isOverview: overview.isActive.bind( overview ),
 		isFocused: focus.isFocused.bind( focus ),
 
-		isReaderMode: reader.isActive.bind( reader ),
-		isPrinting: print.isActive.bind( print ),
+		isScrollView: scrollView.isActive.bind( scrollView ),
+		isPrintView: printView.isActive.bind( printView ),
 
 		// Checks if reveal.js has been loaded and is ready for use
 		isReady: () => ready,
@@ -2955,7 +2956,7 @@ export default function( revealElement, options ) {
 		registerKeyboardShortcut: keyboard.registerKeyboardShortcut.bind( keyboard ),
 
 		getComputedSlideSize,
-		setCurrentReaderPage,
+		setCurrentScrollPage,
 
 		// Returns the current scale of the presentation content
 		getScale: () => scale,
@@ -2993,7 +2994,7 @@ export default function( revealElement, options ) {
 
 		// Controllers
 		focus,
-		reader,
+		scroll: scrollView,
 		progress,
 		controls,
 		location,

test/test-scroll.html

@@ -4,7 +4,7 @@
 	<head>
 		<meta charset="utf-8">
 
-		<title>reveal.js - Test Reader Mode</title>
+		<title>reveal.js - Test Scroll View</title>
 
 		<link rel="stylesheet" href="../dist/reveal.css">
 		<link rel="stylesheet" href="../node_modules/qunit/qunit/qunit.css">
@@ -57,18 +57,18 @@
 				return Reveal.getViewportElement().offsetHeight;
 			}
 
-			Reveal.initialize({ view: 'reader' }).then( async () => {
+			Reveal.initialize({ view: 'scroll' }).then( async () => {
 
-				QUnit.module( 'Reader Mode' );
+				QUnit.module( 'Scroll View' );
 
 				QUnit.test( 'Activates', assert => {
 					assert.ok( getScrollHeight() > getViewportHeight(), 'Is overflowing' );
 				});
 
 				QUnit.test( 'Can be toggled via API', assert => {
-					Reveal.toggleReaderMode( false );
+					Reveal.toggleScrollView( false );
 					assert.ok( getScrollHeight() <= getViewportHeight(), 'Is not overflowing' );
-					Reveal.toggleReaderMode( true );
+					Reveal.toggleScrollView( true );
 					assert.ok( getScrollHeight() > getViewportHeight(), 'Is overflowing' );
 				});