diff --git a/dist/reveal.min.js b/dist/reveal.min.js index 14a758a2..374f56b2 100644 --- a/dist/reveal.min.js +++ b/dist/reveal.min.js @@ -5,4 +5,4 @@ * * Copyright (C) 2020 Hakim El Hattab, https://hakim.se */ -!function(e){var t={};function i(a){if(t[a])return t[a].exports;var s=t[a]={i:a,l:!1,exports:{}};return e[a].call(s.exports,s,s.exports,i),s.l=!0,s.exports}i.m=e,i.c=t,i.d=function(e,t,a){i.o(e,t)||Object.defineProperty(e,t,{enumerable:!0,get:a})},i.r=function(e){"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(e,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(e,"__esModule",{value:!0})},i.t=function(e,t){if(1&t&&(e=i(e)),8&t)return e;if(4&t&&"object"==typeof e&&e&&e.__esModule)return e;var a=Object.create(null);if(i.r(a),Object.defineProperty(a,"default",{enumerable:!0,value:e}),2&t&&"string"!=typeof e)for(var s in e)i.d(a,s,function(t){return e[t]}.bind(null,s));return a},i.n=function(e){var t=e&&e.__esModule?function(){return 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t=this.sort(a.querySelectorAll(".fragment.visible")).pop();t&&(e=parseInt(t.getAttribute("data-fragment-index")||0,10))}Array.from(t).forEach((t,a)=>{if(t.hasAttribute("data-fragment-index")&&(a=parseInt(t.getAttribute("data-fragment-index"),10)),s=Math.max(s,a),a<=e){let s=t.classList.contains("visible");t.classList.add("visible"),t.classList.remove("current-fragment"),a===e&&(this.Reveal.announceStatus(this.Reveal.getStatusText(t)),t.classList.add("current-fragment"),this.Reveal.slideContent.startEmbeddedContent(t)),s||(i.shown.push(t),this.Reveal.dispatchEvent({target:t,type:"visible",bubbles:!1}))}else{let e=t.classList.contains("visible");t.classList.remove("visible"),t.classList.remove("current-fragment"),e&&(i.hidden.push(t),this.Reveal.dispatchEvent({target:t,type:"hidden",bubbles:!1}))}}),e="number"==typeof e?e:-1,e=Math.max(Math.min(e,s),-1),a.setAttribute("data-fragment",e)}return i}sync(e=this.Reveal.getCurrentSlide()){return 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\ No newline at end of file diff --git a/js/controllers/autoanimate.js b/js/controllers/autoanimate.js index 4b006d42..a51a9783 100644 --- a/js/controllers/autoanimate.js +++ b/js/controllers/autoanimate.js @@ -1,4 +1,4 @@ -import { extend, toArray, createStyleSheet } from '../utils/util.js' +import { queryAll, extend, createStyleSheet } from '../utils/util.js' /** * Automatically animates matching elements across @@ -87,12 +87,12 @@ export default class AutoAnimate { reset() { // Reset slides - toArray( this.Reveal.getRevealElement().querySelectorAll( '[data-auto-animate]:not([data-auto-animate=""])' ) ).forEach( element => { + queryAll( this.Reveal.getRevealElement(), '[data-auto-animate]:not([data-auto-animate=""])' ).forEach( element => { element.dataset.autoAnimate = ''; } ); // Reset elements - toArray( this.Reveal.getRevealElement().querySelectorAll( '[data-auto-animate-target]' ) ).forEach( element => { + queryAll( this.Reveal.getRevealElement(), '[data-auto-animate-target]' ).forEach( element => { delete element.dataset.autoAnimateTarget; } ); diff --git a/js/controllers/backgrounds.js b/js/controllers/backgrounds.js index 8328fe1a..e8cc9960 100644 --- a/js/controllers/backgrounds.js +++ b/js/controllers/backgrounds.js @@ -1,4 +1,4 @@ -import { toArray } from '../utils/util.js' +import { queryAll } from '../utils/util.js' import { colorToRgb, colorBrightness } from '../utils/color.js' /** @@ -39,7 +39,7 @@ export default class Backgrounds { let backgroundStack = this.createBackground( slideh, this.element ); // Iterate over all vertical slides - toArray( slideh.querySelectorAll( 'section' ) ).forEach( slidev => { + queryAll( slideh, 'section' ).forEach( slidev => { this.createBackground( slidev, backgroundStack ); @@ -238,7 +238,7 @@ export default class Backgrounds { // Update the classes of all backgrounds to match the // states of their slides (past/present/future) - toArray( this.element.childNodes ).forEach( ( backgroundh, h ) => { + Array.from( this.element.childNodes ).forEach( ( backgroundh, h ) => { backgroundh.classList.remove( 'past', 'present', 'future' ); @@ -256,7 +256,7 @@ export default class Backgrounds { } if( includeAll || h === indices.h ) { - toArray( backgroundh.querySelectorAll( '.slide-background' ) ).forEach( ( backgroundv, v ) => { + queryAll( backgroundh, '.slide-background' ).forEach( ( backgroundv, v ) => { backgroundv.classList.remove( 'past', 'present', 'future' ); diff --git a/js/controllers/controls.js b/js/controllers/controls.js index fa938d5e..556bcf08 100644 --- a/js/controllers/controls.js +++ b/js/controllers/controls.js @@ -1,4 +1,4 @@ -import { toArray } from '../utils/util.js' +import { queryAll } from '../utils/util.js' import { isAndroid } from '../utils/device.js' /** @@ -44,12 +44,12 @@ export default class Controls { this.Reveal.getRevealElement().appendChild( this.element ); // There can be multiple instances of controls throughout the page - this.controlsLeft = toArray( revealElement.querySelectorAll( '.navigate-left' ) ); - this.controlsRight = toArray( revealElement.querySelectorAll( '.navigate-right' ) ); - this.controlsUp = toArray( revealElement.querySelectorAll( '.navigate-up' ) ); - this.controlsDown = toArray( revealElement.querySelectorAll( '.navigate-down' ) ); - this.controlsPrev = toArray( revealElement.querySelectorAll( '.navigate-prev' ) ); - this.controlsNext = toArray( revealElement.querySelectorAll( '.navigate-next' ) ); + this.controlsLeft = queryAll( revealElement, '.navigate-left' ); + this.controlsRight = queryAll( revealElement, '.navigate-right' ); + this.controlsUp = queryAll( revealElement, '.navigate-up' ); + this.controlsDown = queryAll( revealElement, '.navigate-down' ); + this.controlsPrev = queryAll( revealElement, '.navigate-prev' ); + this.controlsNext = queryAll( revealElement, '.navigate-next' ); // The left, right and down arrows in the standard reveal.js controls this.controlsRightArrow = this.element.querySelector( '.navigate-right' ); diff --git a/js/controllers/fragments.js b/js/controllers/fragments.js index 136a538c..3b0abc73 100644 --- a/js/controllers/fragments.js +++ b/js/controllers/fragments.js @@ -1,4 +1,4 @@ -import { extend, toArray } from '../utils/util.js' +import { extend, queryAll } from '../utils/util.js' /** * Handles sorting and navigation of slide fragments. @@ -33,7 +33,7 @@ export default class Fragments { */ disable() { - toArray( this.Reveal.getSlidesElement().querySelectorAll( '.fragment' ) ).forEach( element => { + queryAll( this.Reveal.getSlidesElement(), '.fragment' ).forEach( element => { element.classList.add( 'visible' ); element.classList.remove( 'current-fragment' ); } ); @@ -46,7 +46,7 @@ export default class Fragments { */ enable() { - toArray( this.Reveal.getSlidesElement().querySelectorAll( '.fragment' ) ).forEach( element => { + queryAll( this.Reveal.getSlidesElement(), '.fragment' ).forEach( element => { element.classList.remove( 'visible' ); element.classList.remove( 'current-fragment' ); } ); @@ -98,7 +98,7 @@ export default class Fragments { */ sort( fragments, grouped = false ) { - fragments = toArray( fragments ); + fragments = Array.from( fragments ); let ordered = [], unordered = [], @@ -151,7 +151,7 @@ export default class Fragments { this.Reveal.getHorizontalSlides().forEach( horizontalSlide => { - let verticalSlides = toArray( horizontalSlide.querySelectorAll( 'section' ) ); + let verticalSlides = queryAll( horizontalSlide, 'section' ); verticalSlides.forEach( ( verticalSlide, y ) => { this.sort( verticalSlide.querySelectorAll( '.fragment' ) ); @@ -197,7 +197,7 @@ export default class Fragments { } } - toArray( fragments ).forEach( ( el, i ) => { + Array.from( fragments ).forEach( ( el, i ) => { if( el.hasAttribute( 'data-fragment-index' ) ) { i = parseInt( el.getAttribute( 'data-fragment-index' ), 10 ); diff --git a/js/controllers/overview.js b/js/controllers/overview.js index ce48a069..30e4c636 100644 --- a/js/controllers/overview.js +++ b/js/controllers/overview.js @@ -1,5 +1,5 @@ import { SLIDES_SELECTOR } from '../utils/constants.js' -import { extend, toArray, transformElement } from '../utils/util.js' +import { extend, queryAll, transformElement } from '../utils/util.js' /** * Handles all logic related to the overview mode @@ -38,7 +38,7 @@ export default class Overview { this.Reveal.getSlidesElement().appendChild( this.Reveal.getBackgroundsElement() ); // Clicking on an overview slide navigates to it - toArray( this.Reveal.getRevealElement().querySelectorAll( SLIDES_SELECTOR ) ).forEach( slide => { + queryAll( this.Reveal.getRevealElement(), SLIDES_SELECTOR ).forEach( slide => { if( !slide.classList.contains( 'stack' ) ) { slide.addEventListener( 'click', this.onSlideClicked, true ); } @@ -91,7 +91,7 @@ export default class Overview { if( hslide.classList.contains( 'stack' ) ) { - toArray( hslide.querySelectorAll( 'section' ) ).forEach( ( vslide, v ) => { + queryAll( hslide, 'section' ).forEach( ( vslide, v ) => { vslide.setAttribute( 'data-index-h', h ); vslide.setAttribute( 'data-index-v', v ); @@ -102,10 +102,10 @@ export default class Overview { } ); // Layout slide backgrounds - toArray( this.Reveal.getBackgroundsElement().childNodes ).forEach( ( hbackground, h ) => { + Array.from( this.Reveal.getBackgroundsElement().childNodes ).forEach( ( hbackground, h ) => { transformElement( hbackground, 'translate3d(' + ( h * this.overviewSlideWidth ) + 'px, 0, 0)' ); - toArray( hbackground.querySelectorAll( '.slide-background' ) ).forEach( ( vbackground, v ) => { + queryAll( hbackground, '.slide-background' ).forEach( ( vbackground, v ) => { transformElement( vbackground, 'translate3d(0, ' + ( v * this.overviewSlideHeight ) + 'px, 0)' ); } ); } ); @@ -158,14 +158,14 @@ export default class Overview { this.Reveal.getRevealElement().appendChild( this.Reveal.getBackgroundsElement() ); // Clean up changes made to slides - toArray( this.Reveal.getRevealElement().querySelectorAll( SLIDES_SELECTOR ) ).forEach( slide => { + queryAll( this.Reveal.getRevealElement(), SLIDES_SELECTOR ).forEach( slide => { transformElement( slide, '' ); slide.removeEventListener( 'click', this.onSlideClicked, true ); } ); // Clean up changes made to backgrounds - toArray( this.Reveal.getBackgroundsElement().querySelectorAll( '.slide-background' ) ).forEach( background => { + queryAll( this.Reveal.getBackgroundsElement(), '.slide-background' ).forEach( background => { transformElement( background, '' ); } ); diff --git a/js/controllers/print.js b/js/controllers/print.js index 137d8008..c9d04b51 100644 --- a/js/controllers/print.js +++ b/js/controllers/print.js @@ -1,5 +1,5 @@ import { SLIDES_SELECTOR } from '../utils/constants.js' -import { toArray, createStyleSheet } from '../utils/util.js' +import { queryAll, createStyleSheet } from '../utils/util.js' /** * Setups up our presentation for printing/exporting to PDF. @@ -45,12 +45,12 @@ export default class Print { // Compute slide numbers now, before we start duplicating slides let doingSlideNumbers = config.slideNumber && /all|print/i.test( config.showSlideNumber ); - toArray( this.Reveal.getRevealElement().querySelectorAll( SLIDES_SELECTOR ) ).forEach( function( slide ) { + queryAll( this.Reveal.getRevealElement(), SLIDES_SELECTOR ).forEach( function( slide ) { slide.setAttribute( 'data-slide-number', this.Reveal.slideNumber.getSlideNumber( slide ) ); }, this ); // Slide and slide background layout - toArray( this.Reveal.getRevealElement().querySelectorAll( SLIDES_SELECTOR ) ).forEach( function( slide ) { + queryAll( this.Reveal.getRevealElement(), SLIDES_SELECTOR ).forEach( function( slide ) { // Vertical stacks are not centred since their section // children will be @@ -169,7 +169,7 @@ export default class Print { } // Show all fragments else { - toArray( page.querySelectorAll( '.fragment:not(.fade-out)' ) ).forEach( function( fragment ) { + queryAll( page, '.fragment:not(.fade-out)' ).forEach( function( fragment ) { fragment.classList.add( 'visible' ); } ); } diff --git a/js/controllers/slidecontent.js b/js/controllers/slidecontent.js index f85be492..f7b7bc1e 100644 --- a/js/controllers/slidecontent.js +++ b/js/controllers/slidecontent.js @@ -1,5 +1,5 @@ import { HORIZONTAL_SLIDES_SELECTOR, VERTICAL_SLIDES_SELECTOR } from '../utils/constants.js' -import { extend, toArray, closestParent } from '../utils/util.js' +import { extend, queryAll, closestParent } from '../utils/util.js' import { isMobile } from '../utils/device.js' /** @@ -47,7 +47,7 @@ export default class SlideContent { slide.style.display = this.Reveal.getConfig().display; // Media elements with data-src attributes - toArray( slide.querySelectorAll( 'img[data-src], video[data-src], audio[data-src], iframe[data-src]' ) ).forEach( element => { + queryAll( slide, 'img[data-src], video[data-src], audio[data-src], iframe[data-src]' ).forEach( element => { if( element.tagName !== 'IFRAME' || this.shouldPreload( element ) ) { element.setAttribute( 'src', element.getAttribute( 'data-src' ) ); element.setAttribute( 'data-lazy-loaded', '' ); @@ -56,10 +56,10 @@ export default class SlideContent { } ); // Media elements with children - toArray( slide.querySelectorAll( 'video, audio' ) ).forEach( media => { + queryAll( slide, 'video, audio' ).forEach( media => { let sources = 0; - toArray( media.querySelectorAll( 'source[data-src]' ) ).forEach( source => { + queryAll( media, 'source[data-src]' ).forEach( source => { source.setAttribute( 'src', source.getAttribute( 'data-src' ) ); source.removeAttribute( 'data-src' ); source.setAttribute( 'data-lazy-loaded', '' ); @@ -176,19 +176,19 @@ export default class SlideContent { background.style.display = 'none'; // Unload any background iframes - toArray( background.querySelectorAll( 'iframe[src]' ) ).forEach( element => { + queryAll( background, 'iframe[src]' ).forEach( element => { element.removeAttribute( 'src' ); } ); } // Reset lazy-loaded media elements with src attributes - toArray( slide.querySelectorAll( 'video[data-lazy-loaded][src], audio[data-lazy-loaded][src], iframe[data-lazy-loaded][src]' ) ).forEach( element => { + queryAll( slide, 'video[data-lazy-loaded][src], audio[data-lazy-loaded][src], iframe[data-lazy-loaded][src]' ).forEach( element => { element.setAttribute( 'data-src', element.getAttribute( 'src' ) ); element.removeAttribute( 'src' ); } ); // Reset lazy-loaded media elements with children - toArray( slide.querySelectorAll( 'video[data-lazy-loaded] source[src], audio source[src]' ) ).forEach( source => { + queryAll( slide, 'video[data-lazy-loaded] source[src], audio source[src]' ).forEach( source => { source.setAttribute( 'data-src', source.getAttribute( 'src' ) ); source.removeAttribute( 'src' ); } ); @@ -201,7 +201,7 @@ export default class SlideContent { formatEmbeddedContent() { let _appendParamToIframeSource = ( sourceAttribute, sourceURL, param ) => { - toArray( this.Reveal.getSlidesElement().querySelectorAll( 'iframe['+ sourceAttribute +'*="'+ sourceURL +'"]' ) ).forEach( el => { + queryAll( this.Reveal.getSlidesElement(), 'iframe['+ sourceAttribute +'*="'+ sourceURL +'"]' ).forEach( el => { let src = el.getAttribute( sourceAttribute ); if( src && src.indexOf( param ) === -1 ) { el.setAttribute( sourceAttribute, src + ( !/\?/.test( src ) ? '?' : '&' ) + param ); @@ -230,14 +230,14 @@ export default class SlideContent { if( element && !this.Reveal.isSpeakerNotes() ) { // Restart GIFs - toArray( element.querySelectorAll( 'img[src$=".gif"]' ) ).forEach( el => { + queryAll( element, 'img[src$=".gif"]' ).forEach( el => { // Setting the same unchanged source like this was confirmed // to work in Chrome, FF & Safari el.setAttribute( 'src', el.getAttribute( 'src' ) ); } ); // HTML5 media elements - toArray( element.querySelectorAll( 'video, audio' ) ).forEach( el => { + queryAll( element, 'video, audio' ).forEach( el => { if( closestParent( el, '.fragment' ) && !closestParent( el, '.fragment.visible' ) ) { return; } @@ -285,7 +285,7 @@ export default class SlideContent { } ); // Normal iframes - toArray( element.querySelectorAll( 'iframe[src]' ) ).forEach( el => { + queryAll( element, 'iframe[src]' ).forEach( el => { if( closestParent( el, '.fragment' ) && !closestParent( el, '.fragment.visible' ) ) { return; } @@ -294,7 +294,7 @@ export default class SlideContent { } ); // Lazy loading iframes - toArray( element.querySelectorAll( 'iframe[data-src]' ) ).forEach( el => { + queryAll( element, 'iframe[data-src]' ).forEach( el => { if( closestParent( el, '.fragment' ) && !closestParent( el, '.fragment.visible' ) ) { return; } @@ -390,7 +390,7 @@ export default class SlideContent { if( element && element.parentNode ) { // HTML5 media elements - toArray( element.querySelectorAll( 'video, audio' ) ).forEach( el => { + queryAll( element, 'video, audio' ).forEach( el => { if( !el.hasAttribute( 'data-ignore' ) && typeof el.pause === 'function' ) { el.setAttribute('data-paused-by-reveal', ''); el.pause(); @@ -398,20 +398,20 @@ export default class SlideContent { } ); // Generic postMessage API for non-lazy loaded iframes - toArray( element.querySelectorAll( 'iframe' ) ).forEach( el => { + queryAll( element, 'iframe' ).forEach( el => { if( el.contentWindow ) el.contentWindow.postMessage( 'slide:stop', '*' ); el.removeEventListener( 'load', this.startEmbeddedIframe ); }); // YouTube postMessage API - toArray( element.querySelectorAll( 'iframe[src*="youtube.com/embed/"]' ) ).forEach( el => { + queryAll( element, 'iframe[src*="youtube.com/embed/"]' ).forEach( el => { if( !el.hasAttribute( 'data-ignore' ) && el.contentWindow && typeof el.contentWindow.postMessage === 'function' ) { el.contentWindow.postMessage( '{"event":"command","func":"pauseVideo","args":""}', '*' ); } }); // Vimeo postMessage API - toArray( element.querySelectorAll( 'iframe[src*="player.vimeo.com/"]' ) ).forEach( el => { + queryAll( element, 'iframe[src*="player.vimeo.com/"]' ).forEach( el => { if( !el.hasAttribute( 'data-ignore' ) && el.contentWindow && typeof el.contentWindow.postMessage === 'function' ) { el.contentWindow.postMessage( '{"method":"pause"}', '*' ); } @@ -419,7 +419,7 @@ export default class SlideContent { if( options.unloadIframes === true ) { // Unload lazy-loaded iframes - toArray( element.querySelectorAll( 'iframe[data-src]' ) ).forEach( el => { + queryAll( element, 'iframe[data-src]' ).forEach( 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' ); diff --git a/js/reveal.js b/js/reveal.js index 6e9385b5..13cef16d 100644 --- a/js/reveal.js +++ b/js/reveal.js @@ -23,12 +23,13 @@ import { } from './utils/constants.js' import { extend, - toArray, + queryAll, deserialize, transformElement, createSingletonNode, closestParent, - getQueryHash + getQueryHash, + getRemainingHeight } from './utils/util.js' /** @@ -298,7 +299,7 @@ export default function( revealElement, options ) { let isDisplayHidden = window.getComputedStyle( node )['display'] === 'none'; if( isAriaHidden !== 'true' && !isDisplayHidden ) { - toArray( node.childNodes ).forEach( child => { + Array.from( node.childNodes ).forEach( child => { text += getStatusText( child ); } ); @@ -559,43 +560,6 @@ export default function( revealElement, options ) { } - /** - * Returns the remaining height within the parent of the - * target element. - * - * remaining height = [ configured parent height ] - [ current parent height ] - * - * @param {HTMLElement} element - * @param {number} [height] - */ - function getRemainingHeight( element, height = 0 ) { - - if( element ) { - let newHeight, oldHeight = element.style.height; - - // Change the .stretch element height to 0 in order find the height of all - // the other elements - element.style.height = '0px'; - - // In Overview mode, the parent (.slide) height is set of 700px. - // Restore it temporarily to its natural height. - element.parentNode.style.height = 'auto'; - - newHeight = height - element.parentNode.offsetHeight; - - // Restore the old height, just in case - element.style.height = oldHeight + 'px'; - - // Clear the parent (.slide) height. .removeProperty works in IE9+ - element.parentNode.style.removeProperty('height'); - - return newHeight; - } - - return height; - - } - /** * Dispatches an event of the specified type from the * reveal DOM element. @@ -641,7 +605,7 @@ export default function( revealElement, options ) { */ function enablePreviewLinks( selector = 'a' ) { - toArray( dom.wrapper.querySelectorAll( selector ) ).forEach( element => { + Array.from( dom.wrapper.querySelectorAll( selector ) ).forEach( element => { if( /^(http|www)/gi.test( element.getAttribute( 'href' ) ) ) { element.addEventListener( 'click', onPreviewLinkClicked, false ); } @@ -654,7 +618,7 @@ export default function( revealElement, options ) { */ function disablePreviewLinks( selector = 'a' ) { - toArray( dom.wrapper.querySelectorAll( selector ) ).forEach( element => { + Array.from( dom.wrapper.querySelectorAll( selector ) ).forEach( element => { if( /^(http|www)/gi.test( element.getAttribute( 'href' ) ) ) { element.removeEventListener( 'click', onPreviewLinkClicked, false ); } @@ -864,7 +828,7 @@ export default function( revealElement, options ) { } // Select all slides, vertical and horizontal - const slides = toArray( dom.wrapper.querySelectorAll( SLIDES_SELECTOR ) ); + const slides = Array.from( dom.wrapper.querySelectorAll( SLIDES_SELECTOR ) ); for( let i = 0, len = slides.length; i < len; i++ ) { const slide = slides[ i ]; @@ -923,7 +887,7 @@ export default function( revealElement, options ) { function layoutSlideContents( width, height ) { // Handle sizing of elements with the 'stretch' class - toArray( dom.slides.querySelectorAll( 'section > .stretch' ) ).forEach( element => { + queryAll( dom.slides, 'section > .stretch' ).forEach( element => { // Determine how much vertical space we can use let remainingHeight = getRemainingHeight( element, height ); @@ -1340,7 +1304,6 @@ export default function( revealElement, options ) { // Announce the current slide contents to screen readers announceStatus( getStatusText( currentSlide ) ); - progress.update(); controls.update(); notes.update(); @@ -1459,7 +1422,7 @@ export default function( revealElement, options ) { getHorizontalSlides().forEach( horizontalSlide => { - toArray( horizontalSlide.querySelectorAll( 'section' ) ).forEach( ( verticalSlide, y ) => { + queryAll( horizontalSlide, 'section' ).forEach( ( verticalSlide, y ) => { if( y > 0 ) { verticalSlide.classList.remove( 'present' ); @@ -1506,7 +1469,7 @@ export default function( revealElement, options ) { // Select all slides and convert the NodeList result to // an array - let slides = toArray( dom.wrapper.querySelectorAll( selector ) ), + let slides = queryAll( dom.wrapper, selector ), slidesLength = slides.length; let printMode = print.isPrintingPDF(); @@ -1553,7 +1516,7 @@ export default function( revealElement, options ) { if( config.fragments ) { // Show all fragments in prior slides - toArray( element.querySelectorAll( '.fragment' ) ).forEach( fragment => { + queryAll( element, '.fragment' ).forEach( fragment => { fragment.classList.add( 'visible' ); fragment.classList.remove( 'current-fragment' ); } ); @@ -1565,7 +1528,7 @@ export default function( revealElement, options ) { if( config.fragments ) { // Hide all fragments in future slides - toArray( element.querySelectorAll( '.fragment.visible' ) ).forEach( fragment => { + queryAll( element, '.fragment.visible' ).forEach( fragment => { fragment.classList.remove( 'visible', 'current-fragment' ); } ); } @@ -1640,7 +1603,7 @@ export default function( revealElement, options ) { for( let x = 0; x < horizontalSlidesLength; x++ ) { let horizontalSlide = horizontalSlides[x]; - let verticalSlides = toArray( horizontalSlide.querySelectorAll( 'section' ) ), + let verticalSlides = queryAll( horizontalSlide, 'section' ), verticalSlidesLength = verticalSlides.length; // Determine how far away this slide is from the present @@ -1867,7 +1830,7 @@ export default function( revealElement, options ) { // If this is a vertical slide, grab the vertical index if( isVertical ) { - v = Math.max( toArray( slide.parentNode.querySelectorAll( 'section' ) ).indexOf( slide ), 0 ); + v = Math.max( queryAll( slide.parentNode, 'section' ).indexOf( slide ), 0 ); } } @@ -1893,7 +1856,7 @@ export default function( revealElement, options ) { */ function getSlides() { - return toArray( dom.wrapper.querySelectorAll( SLIDES_SELECTOR + ':not(.stack):not([data-visibility="uncounted"])' ) ); + return queryAll( dom.wrapper, SLIDES_SELECTOR + ':not(.stack):not([data-visibility="uncounted"])' ); } @@ -1904,7 +1867,7 @@ export default function( revealElement, options ) { */ function getHorizontalSlides() { - return toArray( dom.wrapper.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR ) ); + return queryAll( dom.wrapper, HORIZONTAL_SLIDES_SELECTOR ); } @@ -1913,7 +1876,7 @@ export default function( revealElement, options ) { */ function getVerticalSlides() { - return toArray( dom.wrapper.querySelectorAll( '.slides>section>section' ) ); + return queryAll( dom.wrapper, '.slides>section>section' ); } @@ -1922,7 +1885,7 @@ export default function( revealElement, options ) { */ function getVerticalStacks() { - return toArray( dom.wrapper.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR + '.stack') ); + return queryAll( dom.wrapper, HORIZONTAL_SLIDES_SELECTOR + '.stack'); } @@ -2102,7 +2065,7 @@ export default function( revealElement, options ) { // is divided up into fragments. // playbackRate is accounted for in the duration. if( currentSlide.querySelectorAll( '.fragment' ).length === 0 ) { - toArray( currentSlide.querySelectorAll( 'video, audio' ) ).forEach( el => { + queryAll( currentSlide, 'video, audio' ).forEach( el => { if( el.hasAttribute( 'data-autoplay' ) ) { if( autoSlide && (el.duration * 1000 / el.playbackRate ) > autoSlide ) { autoSlide = ( el.duration * 1000 / el.playbackRate ) + 1000; @@ -2244,10 +2207,10 @@ export default function( revealElement, options ) { let previousSlide; if( config.rtl ) { - previousSlide = toArray( dom.wrapper.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR + '.future' ) ).pop(); + previousSlide = queryAll( dom.wrapper, HORIZONTAL_SLIDES_SELECTOR + '.future' ).pop(); } else { - previousSlide = toArray( dom.wrapper.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR + '.past' ) ).pop(); + previousSlide = queryAll( dom.wrapper, HORIZONTAL_SLIDES_SELECTOR + '.past' ).pop(); } if( previousSlide ) { @@ -2607,6 +2570,7 @@ export default function( revealElement, options ) { // Returns reveal.js DOM elements getRevealElement: () => dom.wrapper || document.querySelector( '.reveal' ), getSlidesElement: () => dom.slides, + getBackgroundsElement: () => backgrounds.element, // Checks if reveal.js has been loaded and is ready for use isReady: () => ready, diff --git a/js/utils/util.js b/js/utils/util.js index e2118e2a..f3716b73 100644 --- a/js/utils/util.js +++ b/js/utils/util.js @@ -16,14 +16,11 @@ export const extend = ( a, b ) => { } /** - * Converts the target object to an array. - * - * @param {object} o - * @return {object[]} + * querySelectorAll but returns an Array. */ -export const toArray = ( o ) => { +export const queryAll = ( el, selector ) => { - return Array.prototype.slice.call( o ); + return Array.from( el.querySelectorAll( selector ) ); } @@ -220,4 +217,41 @@ export const getQueryHash = () => { return query; +} + +/** + * Returns the remaining height within the parent of the + * target element. + * + * remaining height = [ configured parent height ] - [ current parent height ] + * + * @param {HTMLElement} element + * @param {number} [height] + */ +export const getRemainingHeight = ( element, height = 0 ) => { + + if( element ) { + let newHeight, oldHeight = element.style.height; + + // Change the .stretch element height to 0 in order find the height of all + // the other elements + element.style.height = '0px'; + + // In Overview mode, the parent (.slide) height is set of 700px. + // Restore it temporarily to its natural height. + element.parentNode.style.height = 'auto'; + + newHeight = height - element.parentNode.offsetHeight; + + // Restore the old height, just in case + element.style.height = oldHeight + 'px'; + + // Clear the parent (.slide) height. .removeProperty works in IE9+ + element.parentNode.style.removeProperty('height'); + + return newHeight; + } + + return height; + } \ No newline at end of file