aboutsummaryrefslogtreecommitdiff
path: root/js
diff options
context:
space:
mode:
Diffstat (limited to 'js')
-rw-r--r--js/reveal.js871
1 files changed, 636 insertions, 235 deletions
diff --git a/js/reveal.js b/js/reveal.js
index 0f5cacd..926b1d9 100644
--- a/js/reveal.js
+++ b/js/reveal.js
@@ -1,9 +1,9 @@
/*!
* reveal.js
- * http://lab.hakim.se/reveal-js
+ * http://revealjs.com
* MIT licensed
*
- * Copyright (C) 2017 Hakim El Hattab, http://hakim.se
+ * Copyright (C) 2018 Hakim El Hattab, http://hakim.se
*/
(function( root, factory ) {
if( typeof define === 'function' && define.amd ) {
@@ -26,7 +26,7 @@
var Reveal;
// The reveal.js version
- var VERSION = '3.5.0';
+ var VERSION = '3.6.0';
var SLIDES_SELECTOR = '.slides section',
HORIZONTAL_SLIDES_SELECTOR = '.slides>section',
@@ -49,15 +49,30 @@
minScale: 0.2,
maxScale: 2.0,
- // Display controls in the bottom right corner
+ // Display presentation control arrows
controls: true,
+ // Help the user learn the controls by providing hints, for example by
+ // bouncing the down arrow when they first encounter a vertical slide
+ controlsTutorial: true,
+
+ // Determines where controls appear, "edges" or "bottom-right"
+ controlsLayout: 'bottom-right',
+
+ // Visibility rule for backwards navigation arrows; "faded", "hidden"
+ // or "visible"
+ controlsBackArrows: 'faded',
+
// Display a presentation progress bar
progress: true,
// Display the page number of the current slide
slideNumber: false,
+ // Use 1 based indexing for # links to match slide number (default is zero
+ // based)
+ hashOneBasedIndex: false,
+
// Determine which displays to show the slide number on
showSlideNumber: 'all',
@@ -73,6 +88,10 @@
// Enable the slide overview mode
overview: true,
+ // Disables the default reveal.js slide layout so that you can use
+ // custom CSS layout
+ disableLayout: false,
+
// Vertical centering of slides
center: true,
@@ -91,6 +110,10 @@
// Turns fragments on and off globally
fragments: true,
+ // Flags whether to include the current fragment in the URL,
+ // so that reloading brings you to the same fragment position
+ fragmentInURL: false,
+
// Flags if the presentation is running in an embedded mode,
// i.e. contained within a limited portion of the screen
embedded: false,
@@ -106,14 +129,16 @@
showNotes: false,
// Global override for autolaying 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
+ // - 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
autoPlayMedia: null,
- // Number of milliseconds between automatically proceeding to the
- // next slide, disabled when set to 0, this value can be overwritten
- // by using a data-autoslide attribute on your slides
+ // Controls automatic progression to the next slide
+ // - 0: Auto-sliding only happens if the data-autoslide HTML attribute
+ // is present on the current slide or fragment
+ // - 1+: All slides will progress automatically at the given interval
+ // - false: No auto-sliding, even if data-autoslide is present
autoSlide: 0,
// Stop auto-sliding after user input
@@ -122,6 +147,11 @@
// Use this method for navigation when auto-sliding (defaults to navigateNext)
autoSlideMethod: null,
+ // 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
+ // speaker view
+ defaultTiming: null,
+
// Enable slide navigation via mouse wheel
mouseWheel: false,
@@ -132,6 +162,8 @@
hideAddressBar: true,
// Opens links in an iframe preview overlay
+ // Add `data-preview-link` and `data-preview-link="false"` to customise each link
+ // individually
previewLinks: false,
// Exposes the reveal.js API through window.postMessage
@@ -158,6 +190,12 @@
// Parallax background size
parallaxBackgroundSize: '', // CSS syntax, e.g. "3000px 2000px"
+ // Parallax background repeat
+ parallaxBackgroundRepeat: '', // repeat/repeat-x/repeat-y/no-repeat/initial/inherit
+
+ // Parallax background position
+ parallaxBackgroundPosition: '', // CSS syntax, e.g. "top left"
+
// Amount of pixels to move the parallax background per slide step
parallaxBackgroundHorizontal: null,
parallaxBackgroundVertical: null,
@@ -207,6 +245,10 @@
previousBackground,
+ // Remember which directions that the user has navigated towards
+ hasNavigatedRight = false,
+ hasNavigatedDown = false,
+
// Slides may hold a data-state attribute which we pick up and apply
// as a class to the body. This list contains the combined state of
// all current slides.
@@ -272,7 +314,10 @@
'B , .': 'Pause',
'F': 'Fullscreen',
'ESC, O': 'Slide overview'
- };
+ },
+
+ // Holds custom key code mappings
+ registeredKeyBindings = {};
/**
* Starts up the presentation if the client is capable.
@@ -374,13 +419,13 @@
}
- /**
- * Loads the dependencies of reveal.js. Dependencies are
- * defined via the configuration option 'dependencies'
- * and will be loaded prior to starting/binding reveal.js.
- * Some dependencies may have an 'async' flag, if so they
- * will load after reveal.js has been started up.
- */
+ /**
+ * Loads the dependencies of reveal.js. Dependencies are
+ * defined via the configuration option 'dependencies'
+ * and will be loaded prior to starting/binding reveal.js.
+ * Some dependencies may have an 'async' flag, if so they
+ * will load after reveal.js has been started up.
+ */
function load() {
var scripts = [],
@@ -398,7 +443,7 @@
}
function loadScript( s ) {
- head.ready( s.src.match( /([\w\d_\-]*)\.?js$|[^\\\/]*$/i )[0], function() {
+ head.ready( s.src.match( /([\w\d_\-]*)\.?js(\?[\w\d.=&]*)?$|[^\\\/]*$/i )[0], function() {
// Extension may contain callback functions
if( typeof s.callback === 'function' ) {
s.callback.apply( this );
@@ -444,6 +489,8 @@
*/
function start() {
+ loaded = true;
+
// Make sure we've got all the DOM elements we need
setupDOM();
@@ -471,8 +518,6 @@
// Enable transitions now that we're loaded
dom.slides.classList.remove( 'no-transition' );
- loaded = true;
-
dom.wrapper.classList.add( 'ready' );
dispatchEvent( 'ready', {
@@ -508,6 +553,20 @@
// Prevent transitions while we're loading
dom.slides.classList.add( 'no-transition' );
+ if( isMobileDevice ) {
+ dom.wrapper.classList.add( 'no-hover' );
+ }
+ else {
+ dom.wrapper.classList.remove( 'no-hover' );
+ }
+
+ if( /iphone/gi.test( UA ) ) {
+ dom.wrapper.classList.add( 'ua-iphone' );
+ }
+ else {
+ dom.wrapper.classList.remove( 'ua-iphone' );
+ }
+
// Background element
dom.background = createSingletonNode( dom.wrapper, 'div', 'backgrounds', null );
@@ -516,11 +575,11 @@
dom.progressbar = dom.progress.querySelector( 'span' );
// Arrow controls
- createSingletonNode( dom.wrapper, 'aside', 'controls',
- '<button class="navigate-left" aria-label="previous slide"></button>' +
- '<button class="navigate-right" aria-label="next slide"></button>' +
- '<button class="navigate-up" aria-label="above slide"></button>' +
- '<button class="navigate-down" aria-label="below slide"></button>' );
+ dom.controls = createSingletonNode( dom.wrapper, 'aside', 'controls',
+ '<button class="navigate-left" aria-label="previous slide"><div class="controls-arrow"></div></button>' +
+ '<button class="navigate-right" aria-label="next slide"><div class="controls-arrow"></div></button>' +
+ '<button class="navigate-up" aria-label="above slide"><div class="controls-arrow"></div></button>' +
+ '<button class="navigate-down" aria-label="below slide"><div class="controls-arrow"></div></button>' );
// Slide number
dom.slideNumber = createSingletonNode( dom.wrapper, 'div', 'slide-number', '' );
@@ -533,9 +592,6 @@
// Overlay graphic which is displayed during the paused mode
createSingletonNode( dom.wrapper, 'div', 'pause-overlay', null );
- // Cache references to elements
- dom.controls = document.querySelector( '.reveal .controls' );
-
dom.wrapper.setAttribute( 'role', 'application' );
// There can be multiple instances of controls throughout the page
@@ -546,6 +602,10 @@
dom.controlsPrev = toArray( document.querySelectorAll( '.navigate-prev' ) );
dom.controlsNext = toArray( document.querySelectorAll( '.navigate-next' ) );
+ // The right and down arrows in the standard reveal.js controls
+ dom.controlsRightArrow = dom.controls.querySelector( '.navigate-right' );
+ dom.controlsDownArrow = dom.controls.querySelector( '.navigate-down' );
+
dom.statusDiv = createStatusDiv();
}
@@ -814,7 +874,7 @@
// If no node was found, create it now
var node = document.createElement( tagname );
- node.classList.add( classname );
+ node.className = classname;
if( typeof innerHTML === 'string' ) {
node.innerHTML = innerHTML;
}
@@ -858,6 +918,8 @@
dom.background.style.backgroundImage = 'url("' + config.parallaxBackgroundImage + '")';
dom.background.style.backgroundSize = config.parallaxBackgroundSize;
+ dom.background.style.backgroundRepeat = config.parallaxBackgroundRepeat;
+ dom.background.style.backgroundPosition = config.parallaxBackgroundPosition;
// Make sure the below properties are set on the element - these properties are
// needed for proper transitions to be set on the element via CSS. To remove
@@ -887,6 +949,57 @@
*/
function createBackground( slide, container ) {
+
+ // Main slide background element
+ var element = document.createElement( 'div' );
+ element.className = 'slide-background ' + slide.className.replace( /present|past|future/, '' );
+
+ // Inner background element that wraps images/videos/iframes
+ var contentElement = document.createElement( 'div' );
+ contentElement.className = 'slide-background-content';
+
+ element.appendChild( contentElement );
+ container.appendChild( element );
+
+ slide.slideBackgroundElement = element;
+ slide.slideBackgroundContentElement = contentElement;
+
+ // Syncs the background to reflect all current background settings
+ syncBackground( slide );
+
+ return element;
+
+ }
+
+ /**
+ * Renders all of the visual properties of a slide background
+ * based on the various background attributes.
+ *
+ * @param {HTMLElement} slide
+ */
+ function syncBackground( slide ) {
+
+ var element = slide.slideBackgroundElement,
+ contentElement = slide.slideBackgroundContentElement;
+
+ // Reset the prior background state in case this is not the
+ // initial sync
+ slide.classList.remove( 'has-dark-background' );
+ slide.classList.remove( 'has-light-background' );
+
+ element.removeAttribute( 'data-loaded' );
+ element.removeAttribute( 'data-background-hash' );
+ element.removeAttribute( 'data-background-size' );
+ element.removeAttribute( 'data-background-transition' );
+ element.style.backgroundColor = '';
+
+ contentElement.style.backgroundSize = '';
+ contentElement.style.backgroundRepeat = '';
+ contentElement.style.backgroundPosition = '';
+ contentElement.style.backgroundImage = '';
+ contentElement.style.opacity = '';
+ contentElement.innerHTML = '';
+
var data = {
background: slide.getAttribute( 'data-background' ),
backgroundSize: slide.getAttribute( 'data-background-size' ),
@@ -896,17 +1009,13 @@
backgroundColor: slide.getAttribute( 'data-background-color' ),
backgroundRepeat: slide.getAttribute( 'data-background-repeat' ),
backgroundPosition: slide.getAttribute( 'data-background-position' ),
- backgroundTransition: slide.getAttribute( 'data-background-transition' )
+ backgroundTransition: slide.getAttribute( 'data-background-transition' ),
+ backgroundOpacity: slide.getAttribute( 'data-background-opacity' )
};
- var element = document.createElement( 'div' );
-
- // Carry over custom classes from the slide to the background
- element.className = 'slide-background ' + slide.className.replace( /present|past|future/, '' );
-
if( data.background ) {
// Auto-wrap image urls in url(...)
- if( /^(http|file|\/\/)/gi.test( data.background ) || /\.(svg|png|jpg|jpeg|gif|bmp)([?#]|$)/gi.test( data.background ) ) {
+ if( /^(http|file|\/\/)/gi.test( data.background ) || /\.(svg|png|jpg|jpeg|gif|bmp)([?#\s]|$)/gi.test( data.background ) ) {
slide.setAttribute( 'data-background-image', data.background );
}
else {
@@ -926,24 +1035,20 @@
data.backgroundColor +
data.backgroundRepeat +
data.backgroundPosition +
- data.backgroundTransition );
+ data.backgroundTransition +
+ data.backgroundOpacity );
}
// Additional and optional background properties
- if( data.backgroundSize ) element.style.backgroundSize = data.backgroundSize;
if( data.backgroundSize ) element.setAttribute( 'data-background-size', data.backgroundSize );
if( data.backgroundColor ) element.style.backgroundColor = data.backgroundColor;
- if( data.backgroundRepeat ) element.style.backgroundRepeat = data.backgroundRepeat;
- if( data.backgroundPosition ) element.style.backgroundPosition = data.backgroundPosition;
if( data.backgroundTransition ) element.setAttribute( 'data-background-transition', data.backgroundTransition );
- container.appendChild( element );
-
- // If backgrounds are being recreated, clear old classes
- slide.classList.remove( 'has-dark-background' );
- slide.classList.remove( 'has-light-background' );
-
- slide.slideBackgroundElement = element;
+ // Background image options are set on the content wrapper
+ if( data.backgroundSize ) contentElement.style.backgroundSize = data.backgroundSize;
+ if( data.backgroundRepeat ) contentElement.style.backgroundRepeat = data.backgroundRepeat;
+ if( data.backgroundPosition ) contentElement.style.backgroundPosition = data.backgroundPosition;
+ if( data.backgroundOpacity ) contentElement.style.opacity = data.backgroundOpacity;
// If this slide has a background color, add a class that
// signals if it is light or dark. If the slide has no background
@@ -965,8 +1070,6 @@
}
}
- return element;
-
}
/**
@@ -1007,14 +1110,22 @@
*/
function configure( options ) {
- var numberOfSlides = dom.wrapper.querySelectorAll( SLIDES_SELECTOR ).length;
-
- dom.wrapper.classList.remove( config.transition );
+ var oldTransition = config.transition;
// New config options may be passed when this method
// is invoked through the API after initialization
if( typeof options === 'object' ) extend( config, options );
+ // Abort if reveal.js hasn't finished loading, config
+ // changes will be applied automatically once loading
+ // finishes
+ if( loaded === false ) return;
+
+ var numberOfSlides = dom.wrapper.querySelectorAll( SLIDES_SELECTOR ).length;
+
+ // Remove the previously configured transition class
+ dom.wrapper.classList.remove( oldTransition );
+
// Force linear transition based on browser capabilities
if( features.transforms3d === false ) config.transition = 'linear';
@@ -1026,6 +1137,9 @@
dom.controls.style.display = config.controls ? 'block' : 'none';
dom.progress.style.display = config.progress ? 'block' : 'none';
+ dom.controls.setAttribute( 'data-controls-layout', config.controlsLayout );
+ dom.controls.setAttribute( 'data-controls-back-arrows', config.controlsBackArrows );
+
if( config.shuffle ) {
shuffle();
}
@@ -1050,12 +1164,8 @@
}
if( config.showNotes ) {
- dom.speakerNotes.classList.add( 'visible' );
dom.speakerNotes.setAttribute( 'data-layout', typeof config.showNotes === 'string' ? config.showNotes : 'inline' );
}
- else {
- dom.speakerNotes.classList.remove( 'visible' );
- }
if( config.mouseWheel ) {
document.addEventListener( 'DOMMouseScroll', onDocumentMouseScroll, false ); // FF
@@ -1136,13 +1246,8 @@
window.addEventListener( 'resize', onWindowResize, false );
if( config.touch ) {
- dom.wrapper.addEventListener( 'touchstart', onTouchStart, false );
- dom.wrapper.addEventListener( 'touchmove', onTouchMove, false );
- dom.wrapper.addEventListener( 'touchend', onTouchEnd, false );
-
- // Support pointer-style touch interaction as well
- if( window.navigator.pointerEnabled ) {
- // IE 11 uses un-prefixed version of pointer events
+ if( 'onpointerdown' in window ) {
+ // Use W3C pointer events
dom.wrapper.addEventListener( 'pointerdown', onPointerDown, false );
dom.wrapper.addEventListener( 'pointermove', onPointerMove, false );
dom.wrapper.addEventListener( 'pointerup', onPointerUp, false );
@@ -1153,6 +1258,12 @@
dom.wrapper.addEventListener( 'MSPointerMove', onPointerMove, false );
dom.wrapper.addEventListener( 'MSPointerUp', onPointerUp, false );
}
+ else {
+ // Fall back to touch events
+ dom.wrapper.addEventListener( 'touchstart', onTouchStart, false );
+ dom.wrapper.addEventListener( 'touchmove', onTouchMove, false );
+ dom.wrapper.addEventListener( 'touchend', onTouchEnd, false );
+ }
}
if( config.keyboard ) {
@@ -1215,23 +1326,18 @@
window.removeEventListener( 'hashchange', onWindowHashChange, false );
window.removeEventListener( 'resize', onWindowResize, false );
+ dom.wrapper.removeEventListener( 'pointerdown', onPointerDown, false );
+ dom.wrapper.removeEventListener( 'pointermove', onPointerMove, false );
+ dom.wrapper.removeEventListener( 'pointerup', onPointerUp, false );
+
+ dom.wrapper.removeEventListener( 'MSPointerDown', onPointerDown, false );
+ dom.wrapper.removeEventListener( 'MSPointerMove', onPointerMove, false );
+ dom.wrapper.removeEventListener( 'MSPointerUp', onPointerUp, false );
+
dom.wrapper.removeEventListener( 'touchstart', onTouchStart, false );
dom.wrapper.removeEventListener( 'touchmove', onTouchMove, false );
dom.wrapper.removeEventListener( 'touchend', onTouchEnd, false );
- // IE11
- if( window.navigator.pointerEnabled ) {
- dom.wrapper.removeEventListener( 'pointerdown', onPointerDown, false );
- dom.wrapper.removeEventListener( 'pointermove', onPointerMove, false );
- dom.wrapper.removeEventListener( 'pointerup', onPointerUp, false );
- }
- // IE10
- else if( window.navigator.msPointerEnabled ) {
- dom.wrapper.removeEventListener( 'MSPointerDown', onPointerDown, false );
- dom.wrapper.removeEventListener( 'MSPointerMove', onPointerMove, false );
- dom.wrapper.removeEventListener( 'MSPointerUp', onPointerUp, false );
- }
-
if ( config.progress && dom.progress ) {
dom.progress.removeEventListener( 'click', onProgressClicked, false );
}
@@ -1248,6 +1354,38 @@
}
/**
+ * Add a custom key binding with optional description to
+ * be added to the help screen.
+ */
+ function addKeyBinding( binding, callback ) {
+
+ if( typeof binding === 'object' && binding.keyCode ) {
+ registeredKeyBindings[binding.keyCode] = {
+ callback: callback,
+ key: binding.key,
+ description: binding.description
+ };
+ }
+ else {
+ registeredKeyBindings[binding] = {
+ callback: callback,
+ key: null,
+ description: null
+ };
+ }
+
+ }
+
+ /**
+ * Removes the specified custom key binding.
+ */
+ function removeKeyBinding( keyCode ) {
+
+ delete registeredKeyBindings[keyCode];
+
+ }
+
+ /**
* Extend object a with the properties of object b.
* If there's a conflict, object b takes precedence.
*
@@ -1260,6 +1398,8 @@
a[ i ] = b[ i ];
}
+ return a;
+
}
/**
@@ -1286,7 +1426,7 @@
if( value === 'null' ) return null;
else if( value === 'true' ) return true;
else if( value === 'false' ) return false;
- else if( value.match( /^[\d\.]+$/ ) ) return parseFloat( value );
+ else if( value.match( /^-?[\d\.]+$/ ) ) return parseFloat( value );
}
return value;
@@ -1741,6 +1881,13 @@
html += '<tr><td>' + key + '</td><td>' + keyboardShortcuts[ key ] + '</td></tr>';
}
+ // Add custom key bindings that have associated descriptions
+ for( var binding in registeredKeyBindings ) {
+ if( registeredKeyBindings[binding].key && registeredKeyBindings[binding].description ) {
+ html += '<tr><td>' + registeredKeyBindings[binding].key + '</td><td>' + registeredKeyBindings[binding].description + '</td></tr>';
+ }
+ }
+
html += '</table>';
dom.overlay.innerHTML = [
@@ -1785,76 +1932,80 @@
if( dom.wrapper && !isPrintingPDF() ) {
- var size = getComputedSlideSize();
+ if( !config.disableLayout ) {
- // Layout the contents of the slides
- layoutSlideContents( config.width, config.height );
+ var size = getComputedSlideSize();
- dom.slides.style.width = size.width + 'px';
- dom.slides.style.height = size.height + 'px';
+ // Layout the contents of the slides
+ layoutSlideContents( config.width, config.height );
- // Determine scale of content to fit within available space
- scale = Math.min( size.presentationWidth / size.width, size.presentationHeight / size.height );
+ dom.slides.style.width = size.width + 'px';
+ dom.slides.style.height = size.height + 'px';
- // Respect max/min scale settings
- scale = Math.max( scale, config.minScale );
- scale = Math.min( scale, config.maxScale );
+ // Determine scale of content to fit within available space
+ scale = Math.min( size.presentationWidth / size.width, size.presentationHeight / size.height );
- // Don't apply any scaling styles if scale is 1
- if( scale === 1 ) {
- dom.slides.style.zoom = '';
- dom.slides.style.left = '';
- dom.slides.style.top = '';
- dom.slides.style.bottom = '';
- dom.slides.style.right = '';
- transformSlides( { layout: '' } );
- }
- else {
- // Prefer zoom for scaling up so that content remains crisp.
- // Don't use zoom to scale down since that can lead to shifts
- // in text layout/line breaks.
- if( scale > 1 && features.zoom ) {
- dom.slides.style.zoom = scale;
+ // Respect max/min scale settings
+ scale = Math.max( scale, config.minScale );
+ scale = Math.min( scale, config.maxScale );
+
+ // Don't apply any scaling styles if scale is 1
+ if( scale === 1 ) {
+ dom.slides.style.zoom = '';
dom.slides.style.left = '';
dom.slides.style.top = '';
dom.slides.style.bottom = '';
dom.slides.style.right = '';
transformSlides( { layout: '' } );
}
- // Apply scale transform as a fallback
else {
- dom.slides.style.zoom = '';
- dom.slides.style.left = '50%';
- dom.slides.style.top = '50%';
- dom.slides.style.bottom = 'auto';
- dom.slides.style.right = 'auto';
- transformSlides( { layout: 'translate(-50%, -50%) scale('+ scale +')' } );
+ // Prefer zoom for scaling up so that content remains crisp.
+ // Don't use zoom to scale down since that can lead to shifts
+ // in text layout/line breaks.
+ if( scale > 1 && features.zoom ) {
+ dom.slides.style.zoom = scale;
+ dom.slides.style.left = '';
+ dom.slides.style.top = '';
+ dom.slides.style.bottom = '';
+ dom.slides.style.right = '';
+ transformSlides( { layout: '' } );
+ }
+ // Apply scale transform as a fallback
+ else {
+ dom.slides.style.zoom = '';
+ dom.slides.style.left = '50%';
+ dom.slides.style.top = '50%';
+ dom.slides.style.bottom = 'auto';
+ dom.slides.style.right = 'auto';
+ transformSlides( { layout: 'translate(-50%, -50%) scale('+ scale +')' } );
+ }
}
- }
- // Select all slides, vertical and horizontal
- var slides = toArray( dom.wrapper.querySelectorAll( SLIDES_SELECTOR ) );
+ // Select all slides, vertical and horizontal
+ var slides = toArray( dom.wrapper.querySelectorAll( SLIDES_SELECTOR ) );
- for( var i = 0, len = slides.length; i < len; i++ ) {
- var slide = slides[ i ];
+ for( var i = 0, len = slides.length; i < len; i++ ) {
+ var slide = slides[ i ];
- // Don't bother updating invisible slides
- if( slide.style.display === 'none' ) {
- continue;
- }
+ // Don't bother updating invisible slides
+ if( slide.style.display === 'none' ) {
+ continue;
+ }
- if( config.center || slide.classList.contains( 'center' ) ) {
- // Vertical stacks are not centred since their section
- // children will be
- if( slide.classList.contains( 'stack' ) ) {
- slide.style.top = 0;
+ if( config.center || slide.classList.contains( 'center' ) ) {
+ // Vertical stacks are not centred since their section
+ // children will be
+ if( slide.classList.contains( 'stack' ) ) {
+ slide.style.top = 0;
+ }
+ else {
+ slide.style.top = Math.max( ( size.height - slide.scrollHeight ) / 2, 0 ) + 'px';
+ }
}
else {
- slide.style.top = Math.max( ( size.height - slide.scrollHeight ) / 2, 0 ) + 'px';
+ slide.style.top = '';
}
- }
- else {
- slide.style.top = '';
+
}
}
@@ -2181,6 +2332,41 @@
}
/**
+ * Return a hash URL that will resolve to the current slide location.
+ */
+ function locationHash() {
+
+ var url = '/';
+
+ // Attempt to create a named link based on the slide's ID
+ var id = currentSlide ? currentSlide.getAttribute( 'id' ) : null;
+ if( id ) {
+ id = encodeURIComponent( id );
+ }
+
+ var indexf;
+ if( config.fragmentInURL ) {
+ indexf = getIndices().f;
+ }
+
+ // If the current slide has an ID, use that as a named link,
+ // but we don't support named links with a fragment index
+ if( typeof id === 'string' && id.length && indexf === undefined ) {
+ url = '/' + id;
+ }
+ // Otherwise use the /h/v index
+ else {
+ var hashIndexBase = config.hashOneBasedIndex ? 1 : 0;
+ if( indexh > 0 || indexv > 0 || indexf !== undefined ) url += indexh + hashIndexBase;
+ if( indexv > 0 || indexf !== undefined ) url += '/' + (indexv + hashIndexBase );
+ if( indexf !== undefined ) url += '/' + indexf;
+ }
+
+ return url;
+
+ }
+
+ /**
* Checks if the current or specified slide is vertical
* (nested within another slide).
*
@@ -2404,16 +2590,7 @@
// Dispatch an event if the slide changed
var slideChanged = ( indexh !== indexhBefore || indexv !== indexvBefore );
- if( slideChanged ) {
- dispatchEvent( 'slidechanged', {
- 'indexh': indexh,
- 'indexv': indexv,
- 'previousSlide': previousSlide,
- 'currentSlide': currentSlide,
- 'origin': o
- } );
- }
- else {
+ if (!slideChanged) {
// Ensure that the previous slide is never the same as the current
previousSlide = null;
}
@@ -2421,7 +2598,7 @@
// Solves an edge case where the previous slide maintains the
// 'present' class when navigating between adjacent vertical
// stacks
- if( previousSlide ) {
+ if( previousSlide && previousSlide !== currentSlide ) {
previousSlide.classList.remove( 'present' );
previousSlide.setAttribute( 'aria-hidden', 'true' );
@@ -2441,6 +2618,16 @@
}
}
+ if( slideChanged ) {
+ dispatchEvent( 'slidechanged', {
+ 'indexh': indexh,
+ 'indexv': indexv,
+ 'previousSlide': previousSlide,
+ 'currentSlide': currentSlide,
+ 'origin': o
+ } );
+ }
+
// Handle embedded content
if( slideChanged || !previousSlide ) {
stopEmbeddedContent( previousSlide );
@@ -2497,13 +2684,14 @@
updateSlideNumber();
updateSlidesVisibility();
updateBackground( true );
+ updateNotesVisibility();
updateNotes();
formatEmbeddedContent();
// Start or stop embedded content depending on global config
if( config.autoPlayMedia === false ) {
- stopEmbeddedContent( currentSlide );
+ stopEmbeddedContent( currentSlide, { unloadIframes: false } );
}
else {
startEmbeddedContent( currentSlide );
@@ -2516,6 +2704,41 @@
}
/**
+ * Updates reveal.js to keep in sync with new slide attributes. For
+ * example, if you add a new `data-background-image` you can call
+ * this to have reveal.js render the new background image.
+ *
+ * Similar to #sync() but more efficient when you only need to
+ * refresh a specific slide.
+ *
+ * @param {HTMLElement} slide
+ */
+ function syncSlide( slide ) {
+
+ syncBackground( slide );
+ syncFragments( slide );
+
+ updateBackground();
+ updateNotes();
+
+ loadSlide( slide );
+
+ }
+
+ /**
+ * Formats the fragments on the given slide so that they have
+ * valid indices. Call this if fragments are changed in the DOM
+ * after reveal.js has already initialized.
+ *
+ * @param {HTMLElement} slide
+ */
+ function syncFragments( slide ) {
+
+ sortFragments( slide.querySelectorAll( '.fragment' ) );
+
+ }
+
+ /**
* Resets all vertical slides so that only the first
* is visible.
*/
@@ -2740,10 +2963,10 @@
// Show the horizontal slide if it's within the view distance
if( distanceX < viewDistance ) {
- showSlide( horizontalSlide );
+ loadSlide( horizontalSlide );
}
else {
- hideSlide( horizontalSlide );
+ unloadSlide( horizontalSlide );
}
if( verticalSlidesLength ) {
@@ -2756,16 +2979,32 @@
distanceY = x === ( indexh || 0 ) ? Math.abs( ( indexv || 0 ) - y ) : Math.abs( y - oy );
if( distanceX + distanceY < viewDistance ) {
- showSlide( verticalSlide );
+ loadSlide( verticalSlide );
}
else {
- hideSlide( verticalSlide );
+ unloadSlide( verticalSlide );
}
}
}
}
+ // Flag if there are ANY vertical slides, anywhere in the deck
+ if( dom.wrapper.querySelectorAll( '.slides>section>section' ).length ) {
+ dom.wrapper.classList.add( 'has-vertical-slides' );
+ }
+ else {
+ dom.wrapper.classList.remove( 'has-vertical-slides' );
+ }
+
+ // Flag if there are ANY horizontal slides, anywhere in the deck
+ if( dom.wrapper.querySelectorAll( '.slides>section' ).length > 1 ) {
+ dom.wrapper.classList.add( 'has-horizontal-slides' );
+ }
+ else {
+ dom.wrapper.classList.remove( 'has-horizontal-slides' );
+ }
+
}
}
@@ -2780,13 +3019,40 @@
if( config.showNotes && dom.speakerNotes && currentSlide && !isPrintingPDF() ) {
- dom.speakerNotes.innerHTML = getSlideNotes() || '';
+ dom.speakerNotes.innerHTML = getSlideNotes() || '<span class="notes-placeholder">No notes on this slide.</span>';
}
}
/**
+ * Updates the visibility of the speaker notes sidebar that
+ * is used to share annotated slides. The notes sidebar is
+ * only visible if showNotes is true and there are notes on
+ * one or more slides in the deck.
+ */
+ function updateNotesVisibility() {
+
+ if( config.showNotes && hasNotes() ) {
+ dom.wrapper.classList.add( 'show-notes' );
+ }
+ else {
+ dom.wrapper.classList.remove( 'show-notes' );
+ }
+
+ }
+
+ /**
+ * Checks if there are speaker notes for ANY slide in the
+ * presentation.
+ */
+ function hasNotes() {
+
+ return dom.slides.querySelectorAll( '[data-notes], aside.notes' ).length > 0;
+
+ }
+
+ /**
* Updates the progress bar to reflect the current slide.
*/
function updateProgress() {
@@ -2800,6 +3066,7 @@
}
+
/**
* Updates the slide number div to reflect the current slide.
*
@@ -2822,6 +3089,12 @@
format = config.slideNumber;
}
+ // If there are ONLY vertical slides in this deck, always use
+ // a flattened slide number
+ if( !/c/.test( format ) && dom.wrapper.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR ).length === 1 ) {
+ format = 'c';
+ }
+
switch( format ) {
case 'c':
value.push( getSlidePastCount() + 1 );
@@ -2854,13 +3127,18 @@
*/
function formatSlideNumber( a, delimiter, b ) {
+ var url = '#' + locationHash();
if( typeof b === 'number' && !isNaN( b ) ) {
- return '<span class="slide-number-a">'+ a +'</span>' +
+ return '<a href="' + url + '">' +
+ '<span class="slide-number-a">'+ a +'</span>' +
'<span class="slide-number-delimiter">'+ delimiter +'</span>' +
- '<span class="slide-number-b">'+ b +'</span>';
+ '<span class="slide-number-b">'+ b +'</span>' +
+ '</a>';
}
else {
- return '<span class="slide-number-a">'+ a +'</span>';
+ return '<a href="' + url + '">' +
+ '<span class="slide-number-a">'+ a +'</span>' +
+ '</a>';
}
}
@@ -2916,6 +3194,26 @@
}
+ if( config.controlsTutorial ) {
+
+ // Highlight control arrows with an animation to ensure
+ // that the viewer knows how to navigate
+ if( !hasNavigatedDown && routes.down ) {
+ dom.controlsDownArrow.classList.add( 'highlight' );
+ }
+ else {
+ dom.controlsDownArrow.classList.remove( 'highlight' );
+
+ if( !hasNavigatedRight && routes.right && indexv === 0 ) {
+ dom.controlsRightArrow.classList.add( 'highlight' );
+ }
+ else {
+ dom.controlsRightArrow.classList.remove( 'highlight' );
+ }
+ }
+
+ }
+
}
/**
@@ -2991,13 +3289,18 @@
startEmbeddedContent( currentBackground );
- var backgroundImageURL = currentBackground.style.backgroundImage || '';
+ var currentBackgroundContent = currentBackground.querySelector( '.slide-background-content' );
+ if( currentBackgroundContent ) {
+
+ var backgroundImageURL = currentBackgroundContent.style.backgroundImage || '';
+
+ // Restart GIFs (doesn't work in Firefox)
+ if( /\.gif/i.test( backgroundImageURL ) ) {
+ currentBackgroundContent.style.backgroundImage = '';
+ window.getComputedStyle( currentBackgroundContent ).opacity;
+ currentBackgroundContent.style.backgroundImage = backgroundImageURL;
+ }
- // Restart GIFs (doesn't work in Firefox)
- if( /\.gif/i.test( backgroundImageURL ) ) {
- currentBackground.style.backgroundImage = '';
- window.getComputedStyle( currentBackground ).opacity;
- currentBackground.style.backgroundImage = backgroundImageURL;
}
// Don't transition between identical backgrounds. This
@@ -3095,14 +3398,9 @@
*
* @param {HTMLElement} slide Slide to show
*/
- /**
- * Called when the given slide is within the configured view
- * distance. Shows the slide element and loads any content
- * that is set to load lazily (data-src).
- *
- * @param {HTMLElement} slide Slide to show
- */
- function showSlide( slide ) {
+ function loadSlide( slide, options ) {
+
+ options = options || {};
// Show the slide element
slide.style.display = config.display;
@@ -3110,6 +3408,7 @@
// Media elements with data-src attributes
toArray( slide.querySelectorAll( 'img[data-src], video[data-src], audio[data-src]' ) ).forEach( function( element ) {
element.setAttribute( 'src', element.getAttribute( 'data-src' ) );
+ element.setAttribute( 'data-lazy-loaded', '' );
element.removeAttribute( 'data-src' );
} );
@@ -3120,6 +3419,7 @@
toArray( media.querySelectorAll( 'source[data-src]' ) ).forEach( function( source ) {
source.setAttribute( 'src', source.getAttribute( 'data-src' ) );
source.removeAttribute( 'data-src' );
+ source.setAttribute( 'data-lazy-loaded', '' );
sources += 1;
} );
@@ -3132,11 +3432,12 @@
// Show the corresponding background element
- var indices = getIndices( slide );
- var background = getSlideBackground( indices.h, indices.v );
+ var background = slide.slideBackgroundElement;
if( background ) {
background.style.display = 'block';
+ var backgroundContent = slide.slideBackgroundContentElement;
+
// If the background contains media, load it
if( background.hasAttribute( 'data-loaded' ) === false ) {
background.setAttribute( 'data-loaded', 'true' );
@@ -3149,7 +3450,7 @@
// Images
if( backgroundImage ) {
- background.style.backgroundImage = 'url('+ backgroundImage +')';
+ backgroundContent.style.backgroundImage = 'url('+ encodeURI( backgroundImage ) +')';
}
// Videos
else if ( backgroundVideo && !isSpeakerNotes() ) {
@@ -3177,10 +3478,10 @@
video.innerHTML += '<source src="'+ source +'">';
} );
- background.appendChild( video );
+ backgroundContent.appendChild( video );
}
// Iframes
- else if( backgroundIframe ) {
+ else if( backgroundIframe && options.excludeIframes !== true ) {
var iframe = document.createElement( 'iframe' );
iframe.setAttribute( 'allowfullscreen', '' );
iframe.setAttribute( 'mozallowfullscreen', '' );
@@ -3200,7 +3501,7 @@
iframe.style.maxHeight = '100%';
iframe.style.maxWidth = '100%';
- background.appendChild( iframe );
+ backgroundContent.appendChild( iframe );
}
}
@@ -3209,23 +3510,34 @@
}
/**
- * Called when the given slide is moved outside of the
- * configured view distance.
+ * Unloads and hides the given slide. This is called when the
+ * slide is moved outside of the configured view distance.
*
* @param {HTMLElement} slide
*/
- function hideSlide( slide ) {
+ function unloadSlide( slide ) {
// Hide the slide element
slide.style.display = 'none';
// Hide the corresponding background element
- var indices = getIndices( slide );
- var background = getSlideBackground( indices.h, indices.v );
+ var background = getSlideBackground( slide );
if( background ) {
background.style.display = 'none';
}
+ // Reset lazy-loaded media elements with src attributes
+ toArray( slide.querySelectorAll( 'video[data-lazy-loaded][src], audio[data-lazy-loaded][src]' ) ).forEach( function( element ) {
+ element.setAttribute( 'data-src', element.getAttribute( 'src' ) );
+ element.removeAttribute( 'src' );
+ } );
+
+ // Reset lazy-loaded media elements with <source> children
+ toArray( slide.querySelectorAll( 'video[data-lazy-loaded] source[src], audio source[src]' ) ).forEach( function( source ) {
+ source.setAttribute( 'data-src', source.getAttribute( 'src' ) );
+ source.removeAttribute( 'src' );
+ } );
+
}
/**
@@ -3239,13 +3551,27 @@
verticalSlides = dom.wrapper.querySelectorAll( VERTICAL_SLIDES_SELECTOR );
var routes = {
- left: indexh > 0 || config.loop,
- right: indexh < horizontalSlides.length - 1 || config.loop,
+ left: indexh > 0,
+ right: indexh < horizontalSlides.length - 1,
up: indexv > 0,
down: indexv < verticalSlides.length - 1
};
- // reverse horizontal controls for rtl
+ // Looped presentations can always be navigated as long as
+ // there are slides available
+ if( config.loop ) {
+ if( horizontalSlides.length > 1 ) {
+ routes.left = true;
+ routes.right = true;
+ }
+
+ if( verticalSlides.length > 1 ) {
+ routes.up = true;
+ routes.down = true;
+ }
+ }
+
+ // Reverse horizontal controls for rtl
if( config.rtl ) {
var left = routes.left;
routes.left = routes.right;
@@ -3301,6 +3627,13 @@
_appendParamToIframeSource( 'src', 'player.vimeo.com/', 'api=1' );
_appendParamToIframeSource( 'data-src', 'player.vimeo.com/', 'api=1' );
+ // Always show media controls on mobile devices
+ if( isMobileDevice ) {
+ toArray( dom.slides.querySelectorAll( 'video, audio' ) ).forEach( function( el ) {
+ el.controls = true;
+ } );
+ }
+
}
/**
@@ -3337,9 +3670,16 @@
if( autoplay && typeof el.play === 'function' ) {
+ // If the media is ready, start playback
if( el.readyState > 1 ) {
startEmbeddedMedia( { target: el } );
}
+ // Mobile devices never fire a loaded event so instead
+ // of waiting, we initiate playback
+ else if( isMobileDevice ) {
+ el.play();
+ }
+ // If the media isn't loaded, wait before playing
else {
el.removeEventListener( 'loadeddata', startEmbeddedMedia ); // remove first to avoid dupes
el.addEventListener( 'loadeddata', startEmbeddedMedia );
@@ -3445,7 +3785,12 @@
*
* @param {HTMLElement} element
*/
- function stopEmbeddedContent( element ) {
+ function stopEmbeddedContent( element, options ) {
+
+ options = extend( {
+ // Defaults
+ unloadIframes: true
+ }, options || {} );
if( element && element.parentNode ) {
// HTML5 media elements
@@ -3476,13 +3821,15 @@
}
});
- // Lazy loading iframes
- toArray( element.querySelectorAll( 'iframe[data-src]' ) ).forEach( function( el ) {
- // Only removing the src doesn't actually unload the frame
- // in all browsers (Firefox) so we set it to blank first
- el.setAttribute( 'src', 'about:blank' );
- el.removeAttribute( 'src' );
- } );
+ if( options.unloadIframes === true ) {
+ // Unload lazy-loaded iframes
+ toArray( element.querySelectorAll( 'iframe[data-src]' ) ).forEach( function( el ) {
+ // Only removing the src doesn't actually unload the frame
+ // in all browsers (Firefox) so we set it to blank first
+ el.setAttribute( 'src', 'about:blank' );
+ el.removeAttribute( 'src' );
+ } );
+ }
}
}
@@ -3597,12 +3944,15 @@
var element;
// Ensure the named link is a valid HTML ID attribute
- if( /^[a-zA-Z][\w:.-]*$/.test( name ) ) {
- // Find the slide with the specified ID
- element = document.getElementById( name );
+ try {
+ element = document.getElementById( decodeURIComponent( name ) );
}
+ catch ( error ) { }
- if( element ) {
+ // Ensure that we're not already on a slide with the same name
+ var isSameNameAsCurrentSlide = currentSlide ? currentSlide.getAttribute( 'id' ) === name : false;
+
+ if( element && !isSameNameAsCurrentSlide ) {
// Find the position of the named slide and navigate to it
var indices = Reveal.getIndices( element );
slide( indices.h, indices.v );
@@ -3613,12 +3963,22 @@
}
}
else {
+ var hashIndexBase = config.hashOneBasedIndex ? 1 : 0;
+
// Read the index components of the hash
- var h = parseInt( bits[0], 10 ) || 0,
- v = parseInt( bits[1], 10 ) || 0;
+ var h = ( parseInt( bits[0], 10 ) - hashIndexBase ) || 0,
+ v = ( parseInt( bits[1], 10 ) - hashIndexBase ) || 0,
+ f;
+
+ if( config.fragmentInURL ) {
+ f = parseInt( bits[2], 10 );
+ if( isNaN( f ) ) {
+ f = undefined;
+ }
+ }
- if( h !== indexh || v !== indexv ) {
- slide( h, v );
+ if( h !== indexh || v !== indexv || f !== undefined ) {
+ slide( h, v, f );
}
}
@@ -3643,25 +4003,7 @@
writeURLTimeout = setTimeout( writeURL, delay );
}
else if( currentSlide ) {
- var url = '/';
-
- // Attempt to create a named link based on the slide's ID
- var id = currentSlide.getAttribute( 'id' );
- if( id ) {
- id = id.replace( /[^a-zA-Z0-9\-\_\:\.]/g, '' );
- }
-
- // If the current slide has an ID, use that as a named link
- if( typeof id === 'string' && id.length ) {
- url = '/' + id;
- }
- // Otherwise use the /h/v index
- else {
- if( indexh > 0 || indexv > 0 ) url += indexh;
- if( indexv > 0 ) url += '/' + indexv;
- }
-
- window.location.hash = url;
+ window.location.hash = locationHash();
}
}
@@ -3764,31 +4106,19 @@
* defined, have a background element so as long as the
* index is valid an element will be returned.
*
- * @param {number} x Horizontal background index
+ * @param {mixed} x Horizontal background index OR a slide
+ * HTML element
* @param {number} y Vertical background index
* @return {(HTMLElement[]|*)}
*/
function getSlideBackground( x, y ) {
- // When printing to PDF the slide backgrounds are nested
- // inside of the slides
- if( isPrintingPDF() ) {
- var slide = getSlide( x, y );
- if( slide ) {
- return slide.slideBackgroundElement;
- }
-
- return undefined;
- }
-
- var horizontalBackground = dom.wrapper.querySelectorAll( '.backgrounds>.slide-background' )[ x ];
- var verticalBackgrounds = horizontalBackground && horizontalBackground.querySelectorAll( '.slide-background' );
-
- if( verticalBackgrounds && verticalBackgrounds.length && typeof y === 'number' ) {
- return verticalBackgrounds ? verticalBackgrounds[ y ] : undefined;
+ var slide = typeof x === 'number' ? getSlide( x, y ) : x;
+ if( slide ) {
+ return slide.slideBackgroundElement;
}
- return horizontalBackground;
+ return undefined;
}
@@ -4008,6 +4338,9 @@
updateControls();
updateProgress();
+ if( config.fragmentInURL ) {
+ writeURL();
+ }
return !!( fragmentsShown.length || fragmentsHidden.length );
@@ -4050,7 +4383,7 @@
cancelAutoSlide();
- if( currentSlide ) {
+ if( currentSlide && config.autoSlide !== false ) {
var fragment = currentSlide.querySelector( '.current-fragment' );
@@ -4168,6 +4501,8 @@
function navigateRight() {
+ hasNavigatedRight = true;
+
// Reverse for RTL
if( config.rtl ) {
if( ( isOverview() || previousFragment() === false ) && availableRoutes().right ) {
@@ -4192,6 +4527,8 @@
function navigateDown() {
+ hasNavigatedDown = true;
+
// Prioritize revealing fragments
if( ( isOverview() || nextFragment() === false ) && availableRoutes().down ) {
slide( indexh, indexv + 1 );
@@ -4238,9 +4575,22 @@
*/
function navigateNext() {
+ hasNavigatedRight = true;
+ hasNavigatedDown = true;
+
// Prioritize revealing fragments
if( nextFragment() === false ) {
- if( availableRoutes().down ) {
+
+ var routes = availableRoutes();
+
+ // 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 && Reveal.isLastVerticalSlide( currentSlide ) ) {
+ routes.down = false;
+ }
+
+ if( routes.down ) {
navigateDown();
}
else if( config.rtl ) {
@@ -4310,7 +4660,7 @@
// If there's a condition specified and it returns false,
// ignore this event
- if( typeof config.keyboardCondition === 'function' && config.keyboardCondition() === false ) {
+ if( typeof config.keyboardCondition === 'function' && config.keyboardCondition(event) === false ) {
return true;
}
@@ -4375,7 +4725,31 @@
}
- // 2. System defined key bindings
+ // 2. Registered custom key bindings
+ if( triggered === false ) {
+
+ for( key in registeredKeyBindings ) {
+
+ // Check if this binding matches the pressed key
+ if( parseInt( key, 10 ) === event.keyCode ) {
+
+ var action = registeredKeyBindings[ key ].callback;
+
+ // Callback function
+ if( typeof action === 'function' ) {
+ action.apply( null, [ event ] );
+ }
+ // String shortcuts to reveal.js API
+ else if( typeof action === 'string' && typeof Reveal[ action ] === 'function' ) {
+ Reveal[ action ].call();
+ }
+
+ triggered = true;
+ }
+ }
+ }
+
+ // 3. System defined key bindings
if( triggered === false ) {
// Assume true and try to prove false
@@ -4906,7 +5280,7 @@
this.context.beginPath();
this.context.arc( x, y, radius, 0, Math.PI * 2, false );
this.context.lineWidth = this.thickness;
- this.context.strokeStyle = '#666';
+ this.context.strokeStyle = 'rgba( 255, 255, 255, 0.2 )';
this.context.stroke();
if( this.playing ) {
@@ -4969,7 +5343,10 @@
initialize: initialize,
configure: configure,
+
sync: sync,
+ syncSlide: syncSlide,
+ syncFragments: syncFragments,
// Navigation methods
slide: slide,
@@ -5022,6 +5399,11 @@
isOverview: isOverview,
isPaused: isPaused,
isAutoSliding: isAutoSliding,
+ isSpeakerNotes: isSpeakerNotes,
+
+ // Slide preloading
+ loadSlide: loadSlide,
+ unloadSlide: unloadSlide,
// Adds or removes all internal event listeners (such as keyboard)
addEventListeners: addEventListeners,
@@ -5101,7 +5483,7 @@
// Returns true if we're currently on the last slide
isLastSlide: function() {
if( currentSlide ) {
- // Does this slide has next a sibling?
+ // Does this slide have a next sibling?
if( currentSlide.nextElementSibling ) return false;
// If it's vertical, does its parent have a next sibling?
@@ -5113,6 +5495,19 @@
return false;
},
+ // Returns true if we're on the last slide in the current
+ // vertical stack
+ isLastVerticalSlide: function() {
+ if( currentSlide && isVerticalSlide( currentSlide ) ) {
+ // Does this slide have a next sibling?
+ if( currentSlide.nextElementSibling ) return false;
+
+ return true;
+ }
+
+ return false;
+ },
+
// Checks if reveal.js has been loaded and is ready for use
isReady: function() {
return loaded;
@@ -5130,6 +5525,12 @@
}
},
+ // Adds a custom key binding
+ addKeyBinding: addKeyBinding,
+
+ // Removes a custom key binding
+ removeKeyBinding: removeKeyBinding,
+
// Programatically triggers a keyboard event
triggerKey: function( keyCode ) {
onDocumentKeyDown( { keyCode: keyCode } );
generated by cgit v1.2.3 (git 2.45.0) at 2025-01-30 17:35:23 +0000