diff options
Diffstat (limited to 'js')
| -rw-r--r-- | js/reveal.js | 728 |
1 files changed, 501 insertions, 227 deletions
diff --git a/js/reveal.js b/js/reveal.js index b291bc7..8d150d8 100644 --- a/js/reveal.js +++ b/js/reveal.js @@ -3,7 +3,7 @@ * http://revealjs.com * MIT licensed * - * Copyright (C) 2018 Hakim El Hattab, http://hakim.se + * Copyright (C) 2019 Hakim El Hattab, http://hakim.se */ (function( root, factory ) { if( typeof define === 'function' && define.amd ) { @@ -76,7 +76,11 @@ // Determine which displays to show the slide number on showSlideNumber: 'all', - // Push each slide change to the browser history + // Add the current slide number to the URL hash so that reloading the + // page/copying the URL will return you to the same slide + hash: false, + + // Push each slide change to the browser history. Implies `hash: true` history: false, // Enable keyboard shortcuts for navigation @@ -104,6 +108,32 @@ // Change the presentation direction to be RTL rtl: false, + // Changes the behavior of our navigation directions. + // + // "default" + // Left/right arrow keys step between horizontal slides, up/down + // arrow keys step between vertical slides. Space key steps through + // all slides (both horizontal and vertical). + // + // "linear" + // Removes the up/down arrows. Left/right arrows step through all + // slides (both horizontal and vertical). + // + // "grid" + // When this is enabled, stepping left/right from a vertical stack + // to an adjacent vertical stack will land you at the same vertical + // index. + // + // Consider a deck with six slides ordered in two vertical stacks: + // 1.1 2.1 + // 1.2 2.2 + // 1.3 2.3 + // + // If you're on slide 1.3 and navigate right, you will normally move + // from 1.3 -> 2.1. With "gridNavigation" enabled the same navigation + // takes you from 1.3 -> 2.3. + navigationMode: 'default', + // Randomizes the order of slides each time the presentation loads shuffle: false, @@ -220,6 +250,12 @@ // The display mode that will be used to show slides display: 'block', + // Hide cursor if inactive + hideInactiveCursor: true, + + // Time before the cursor is hidden (in ms) + hideCursorTime: 5000, + // Script dependencies to load dependencies: [] @@ -282,6 +318,12 @@ // Delays updates to the URL due to a Chrome thumbnailer bug writeURLTimeout = 0, + // Is the mouse pointer currently hidden from view + cursorHidden = false, + + // Timeout used to determine when the cursor is inactive + cursorInactiveTimeout = 0, + // Flags if the interaction event listeners are bound eventsAreBound = false, @@ -298,7 +340,6 @@ touch = { startX: 0, startY: 0, - startSpan: 0, startCount: 0, captured: false, threshold: 40 @@ -306,17 +347,17 @@ // Holds information about the keyboard shortcuts keyboardShortcuts = { - 'N , SPACE': 'Next slide', - 'P': 'Previous slide', - '← , H': 'Navigate left', - '→ , L': 'Navigate right', - '↑ , K': 'Navigate up', - '↓ , J': 'Navigate down', - 'Home': 'First slide', - 'End': 'Last slide', - 'B , .': 'Pause', - 'F': 'Fullscreen', - 'ESC, O': 'Slide overview' + 'N , SPACE': 'Next slide', + 'P': 'Previous slide', + '← , H': 'Navigate left', + '→ , L': 'Navigate right', + '↑ , K': 'Navigate up', + '↓ , J': 'Navigate down', + 'Home , ⌘/CTRL ←': 'First slide', + 'End , ⌘/CTRL →': 'Last slide', + 'B , .': 'Pause', + 'F': 'Fullscreen', + 'ESC, O': 'Slide overview' }, // Holds custom key code mappings @@ -436,41 +477,28 @@ scriptsToPreload = 0; // Called once synchronous scripts finish loading - function proceed() { + function afterSynchronousScriptsLoaded() { + // Load asynchronous scripts if( scriptsAsync.length ) { - // Load asynchronous scripts - head.js.apply( null, scriptsAsync ); + scriptsAsync.forEach( function( s ) { + loadScript( s.src, s.callback ); + } ); } start(); } - function loadScript( s ) { - 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 ); - } - - if( --scriptsToPreload === 0 ) { - proceed(); - } - }); - } - for( var i = 0, len = config.dependencies.length; i < len; i++ ) { var s = config.dependencies[i]; // Load if there's no condition or the condition is truthy if( !s.condition || s.condition() ) { if( s.async ) { - scriptsAsync.push( s.src ); + scriptsAsync.push( s ); } else { - scripts.push( s.src ); + scripts.push( s ); } - - loadScript( s ); } } @@ -478,15 +506,74 @@ scriptsToPreload = scripts.length; // Load synchronous scripts - head.js.apply( null, scripts ); + scripts.forEach( function( s ) { + loadScript( s.src, function() { + + if( typeof s.callback === 'function' ) s.callback(); + + if( --scriptsToPreload === 0 ) { + + afterSynchronousScriptsLoaded(); + + } + + } ); + } ); } else { - proceed(); + afterSynchronousScriptsLoaded(); } } /** + * Loads a JavaScript file from the given URL and executes it. + * + * @param {string} url Address of the .js file to load + * @param {function} callback Method to invoke when the script + * has loaded and executed + */ + function loadScript( url, callback ) { + + var script = document.createElement( 'script' ); + script.type = 'text/javascript'; + script.async = false; + script.defer = false; + script.src = url; + + if( callback ) { + + // Success callback + script.onload = script.onreadystatechange = function( event ) { + if( event.type === "load" || (/loaded|complete/.test( script.readyState ) ) ) { + + // Kill event listeners + script.onload = script.onreadystatechange = script.onerror = null; + + callback(); + + } + }; + + // Error callback + script.onerror = function( err ) { + + // Kill event listeners + script.onload = script.onreadystatechange = script.onerror = null; + + callback( new Error( 'Failed loading script: ' + script.src + '\n' + err) ); + + }; + + } + + // Append the script at the end of <head> + var head = document.querySelector( 'head' ); + head.insertBefore( script, head.lastChild ); + + } + + /** * Starts up reveal.js by binding input events and navigating * to the current URL deeplink if there is one. */ @@ -593,8 +680,7 @@ dom.speakerNotes.setAttribute( 'tabindex', '0' ); // Overlay graphic which is displayed during the paused mode - dom.pauseOverlay = createSingletonNode( dom.wrapper, 'div', 'pause-overlay', '<button class="resume-button">Resume presentation</button>' ); - dom.resumeButton = dom.pauseOverlay.querySelector( '.resume-button' ); + dom.pauseOverlay = createSingletonNode( dom.wrapper, 'div', 'pause-overlay', config.controls ? '<button class="resume-button">Resume presentation</button>' : null ); dom.wrapper.setAttribute( 'role', 'application' ); @@ -1074,18 +1160,27 @@ 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 + // If this slide has a background color, we add a class that // signals if it is light or dark. If the slide has no background - // color, no class will be set - var computedBackgroundStyle = window.getComputedStyle( element ); - if( computedBackgroundStyle && computedBackgroundStyle.backgroundColor ) { - var rgb = colorToRgb( computedBackgroundStyle.backgroundColor ); + // color, no class will be added + var contrastColor = data.backgroundColor; + + // If no bg color was found, check the computed background + if( !contrastColor ) { + var computedBackgroundStyle = window.getComputedStyle( element ); + if( computedBackgroundStyle && computedBackgroundStyle.backgroundColor ) { + contrastColor = computedBackgroundStyle.backgroundColor; + } + } + + if( contrastColor ) { + var rgb = colorToRgb( contrastColor ); // Ignore fully transparent backgrounds. Some browsers return // rgba(0,0,0,0) when reading the computed background color of // an element with no background if( rgb && rgb.a !== 0 ) { - if( colorBrightness( computedBackgroundStyle.backgroundColor ) < 128 ) { + if( colorBrightness( contrastColor ) < 128 ) { slide.classList.add( 'has-dark-background' ); } else { @@ -1208,6 +1303,18 @@ disableRollingLinks(); } + // Auto-hide the mouse pointer when its inactive + if( config.hideInactiveCursor ) { + document.addEventListener( 'mousemove', onDocumentCursorActive, false ); + document.addEventListener( 'mousedown', onDocumentCursorActive, false ); + } + else { + showCursor(); + + document.removeEventListener( 'mousemove', onDocumentCursorActive, false ); + document.removeEventListener( 'mousedown', onDocumentCursorActive, false ); + } + // Iframe link previews if( config.previewLinks ) { enablePreviewLinks(); @@ -1255,6 +1362,14 @@ dom.slideNumber.style.display = slideNumberDisplay; + // Add the navigation mode to the DOM so we can adjust styling + if( config.navigationMode !== 'default' ) { + dom.wrapper.setAttribute( 'data-navigation-mode', config.navigationMode ); + } + else { + dom.wrapper.removeAttribute( 'data-navigation-mode' ); + } + sync(); } @@ -1299,7 +1414,7 @@ dom.progress.addEventListener( 'click', onProgressClicked, false ); } - dom.resumeButton.addEventListener( 'click', resume, false ); + dom.pauseOverlay.addEventListener( 'click', resume, false ); if( config.focusBodyOnPageVisibilityChange ) { var visibilityChange; @@ -1364,7 +1479,7 @@ dom.wrapper.removeEventListener( 'touchmove', onTouchMove, false ); dom.wrapper.removeEventListener( 'touchend', onTouchEnd, false ); - dom.resumeButton.removeEventListener( 'click', resume, false ); + dom.pauseOverlay.removeEventListener( 'click', resume, false ); if ( config.progress && dom.progress ) { dom.progress.removeEventListener( 'click', onProgressClicked, false ); @@ -1669,11 +1784,19 @@ // 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; } @@ -1962,6 +2085,16 @@ if( !config.disableLayout ) { + // On some mobile devices '100vh' is taller than the visible + // viewport which leads to part of the presentation being + // cut off. To work around this we define our own '--vh' custom + // property where 100x adds up to the correct height. + // + // https://css-tricks.com/the-trick-to-viewport-units-on-mobile/ + if( isMobileDevice ) { + document.documentElement.style.setProperty( '--vh', ( window.innerHeight * 0.01 ) + 'px' ); + } + var size = getComputedSlideSize(); // Layout the contents of the slides @@ -2443,6 +2576,32 @@ } /** + * Shows the mouse pointer after it has been hidden with + * #hideCursor. + */ + function showCursor() { + + if( cursorHidden ) { + cursorHidden = false; + dom.wrapper.style.cursor = ''; + } + + } + + /** + * Hides the mouse pointer when it's on top of the .reveal + * container. + */ + function hideCursor() { + + if( cursorHidden === false ) { + cursorHidden = true; + dom.wrapper.style.cursor = 'none'; + } + + } + + /** * Enters the paused mode which fades everything on screen to * black. */ @@ -2584,28 +2743,6 @@ layout(); - // Apply the new state - stateLoop: for( var i = 0, len = state.length; i < len; i++ ) { - // Check if this state existed on the previous slide. If it - // did, we will avoid adding it repeatedly - for( var j = 0; j < stateBefore.length; j++ ) { - if( stateBefore[j] === state[i] ) { - stateBefore.splice( j, 1 ); - continue stateLoop; - } - } - - document.documentElement.classList.add( state[i] ); - - // Dispatch custom event matching the state's name - dispatchEvent( state[i] ); - } - - // Clean up the remains of the previous state - while( stateBefore.length ) { - document.documentElement.classList.remove( stateBefore.pop() ); - } - // Update the overview if it's currently active if( isOverview() ) { updateOverview(); @@ -2654,6 +2791,28 @@ } } + // Apply the new state + stateLoop: for( var i = 0, len = state.length; i < len; i++ ) { + // Check if this state existed on the previous slide. If it + // did, we will avoid adding it repeatedly + for( var j = 0; j < stateBefore.length; j++ ) { + if( stateBefore[j] === state[i] ) { + stateBefore.splice( j, 1 ); + continue stateLoop; + } + } + + document.documentElement.classList.add( state[i] ); + + // Dispatch custom event matching the state's name + dispatchEvent( state[i] ); + } + + // Clean up the remains of the previous state + while( stateBefore.length ) { + document.documentElement.classList.remove( stateBefore.pop() ); + } + if( slideChanged ) { dispatchEvent( 'slidechanged', { 'indexh': indexh, @@ -2679,6 +2838,7 @@ updateParallax(); updateSlideNumber(); updateNotes(); + updateFragments(); // Update the URL hash writeURL(); @@ -2903,14 +3063,11 @@ element.classList.add( reverse ? 'future' : 'past' ); if( config.fragments ) { - var pastFragments = toArray( element.querySelectorAll( '.fragment' ) ); - - // Show all fragments on prior slides - while( pastFragments.length ) { - var pastFragment = pastFragments.pop(); - pastFragment.classList.add( 'visible' ); - pastFragment.classList.remove( 'current-fragment' ); - } + // Show all fragments in prior slides + toArray( element.querySelectorAll( '.fragment' ) ).forEach( function( fragment ) { + fragment.classList.add( 'visible' ); + fragment.classList.remove( 'current-fragment' ); + } ); } } else if( i > index ) { @@ -2918,14 +3075,11 @@ element.classList.add( reverse ? 'past' : 'future' ); if( config.fragments ) { - var futureFragments = toArray( element.querySelectorAll( '.fragment.visible' ) ); - - // No fragments in future slides should be visible ahead of time - while( futureFragments.length ) { - var futureFragment = futureFragments.pop(); - futureFragment.classList.remove( 'visible' ); - futureFragment.classList.remove( 'current-fragment' ); - } + // Hide all fragments in future slides + toArray( element.querySelectorAll( '.fragment.visible' ) ).forEach( function( fragment ) { + fragment.classList.remove( 'visible' ); + fragment.classList.remove( 'current-fragment' ); + } ); } } } @@ -3663,13 +3817,6 @@ _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; - } ); - } - } /** @@ -3713,7 +3860,20 @@ // Mobile devices never fire a loaded event so instead // of waiting, we initiate playback else if( isMobileDevice ) { - el.play(); + var promise = el.play(); + + // If autoplay does not work, ensure that the controls are visible so + // that the viewer can start the media on their own + if( promise && typeof promise.catch === 'function' && el.controls === false ) { + promise.catch( function() { + el.controls = true; + + // Once the video does start playing, hide the controls again + el.addEventListener( 'play', function() { + el.controls = false; + } ); + } ); + } } // If the media isn't loaded, wait before playing else { @@ -3988,10 +4148,13 @@ // 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 ); + if( element ) { + // If the slide exists and is not the current slide... + if ( !isSameNameAsCurrentSlide ) { + // ...find the position of the named slide and navigate to it + var indices = Reveal.getIndices(element); + slide(indices.h, indices.v); + } } // If the slide doesn't exist, navigate to the current slide else { @@ -4029,18 +4192,20 @@ */ function writeURL( delay ) { - if( config.history ) { - - // Make sure there's never more than one timeout running - clearTimeout( writeURLTimeout ); + // Make sure there's never more than one timeout running + clearTimeout( writeURLTimeout ); - // If a delay is specified, timeout this call - if( typeof delay === 'number' ) { - writeURLTimeout = setTimeout( writeURL, delay ); - } - else if( currentSlide ) { + // If a delay is specified, timeout this call + if( typeof delay === 'number' ) { + writeURLTimeout = setTimeout( writeURL, delay ); + } + else if( currentSlide ) { + if( config.history || !window.history ) { window.location.hash = locationHash(); } + else if( config.hash ) { + window.history.replaceState(null, null, '#' + locationHash()); + } } } @@ -4108,6 +4273,25 @@ } /** + * Returns an array of objects where each object represents the + * attributes on its respective slide. + */ + function getSlidesAttributes() { + + return getSlides().map( function( slide ) { + + var attributes = {}; + for( var i = 0; i < slide.attributes.length; i++ ) { + var attribute = slide.attributes[ i ]; + attributes[ attribute.name ] = attribute.value; + } + return attributes; + + } ); + + } + + /** * Retrieves the total number of slides in this presentation. * * @return {number} @@ -4300,6 +4484,73 @@ } /** + * Refreshes the fragments on the current slide so that they + * have the appropriate classes (.visible + .current-fragment). + * + * @param {number} [index] The index of the current fragment + * @param {array} [fragments] Array containing all fragments + * in the current slide + * + * @return {{shown: array, hidden: array}} + */ + function updateFragments( index, fragments ) { + + var changedFragments = { + shown: [], + hidden: [] + }; + + if( currentSlide && config.fragments ) { + + fragments = fragments || sortFragments( currentSlide.querySelectorAll( '.fragment' ) ); + + if( fragments.length ) { + + if( typeof index !== 'number' ) { + var currentFragment = sortFragments( currentSlide.querySelectorAll( '.fragment.visible' ) ).pop(); + if( currentFragment ) { + index = parseInt( currentFragment.getAttribute( 'data-fragment-index' ) || 0, 10 ); + } + } + + toArray( fragments ).forEach( function( el, i ) { + + if( el.hasAttribute( 'data-fragment-index' ) ) { + i = parseInt( el.getAttribute( 'data-fragment-index' ), 10 ); + } + + // Visible fragments + if( i <= index ) { + if( !el.classList.contains( 'visible' ) ) changedFragments.shown.push( el ); + el.classList.add( 'visible' ); + el.classList.remove( 'current-fragment' ); + + // Announce the fragments one by one to the Screen Reader + dom.statusDiv.textContent = getStatusText( el ); + + if( i === index ) { + el.classList.add( 'current-fragment' ); + startEmbeddedContent( el ); + } + } + // Hidden fragments + else { + if( el.classList.contains( 'visible' ) ) changedFragments.hidden.push( el ); + el.classList.remove( 'visible' ); + el.classList.remove( 'current-fragment' ); + } + + } ); + + } + + } + + return changedFragments; + + } + + /** * Navigate to the specified slide fragment. * * @param {?number} index The index of the fragment that @@ -4334,53 +4585,24 @@ index += offset; } - var fragmentsShown = [], - fragmentsHidden = []; - - toArray( fragments ).forEach( function( element, i ) { - - if( element.hasAttribute( 'data-fragment-index' ) ) { - i = parseInt( element.getAttribute( 'data-fragment-index' ), 10 ); - } - - // Visible fragments - if( i <= index ) { - if( !element.classList.contains( 'visible' ) ) fragmentsShown.push( element ); - element.classList.add( 'visible' ); - element.classList.remove( 'current-fragment' ); - - // Announce the fragments one by one to the Screen Reader - dom.statusDiv.textContent = getStatusText( element ); + var changedFragments = updateFragments( index, fragments ); - if( i === index ) { - element.classList.add( 'current-fragment' ); - startEmbeddedContent( element ); - } - } - // Hidden fragments - else { - if( element.classList.contains( 'visible' ) ) fragmentsHidden.push( element ); - element.classList.remove( 'visible' ); - element.classList.remove( 'current-fragment' ); - } - - } ); - - if( fragmentsHidden.length ) { - dispatchEvent( 'fragmenthidden', { fragment: fragmentsHidden[0], fragments: fragmentsHidden } ); + if( changedFragments.hidden.length ) { + dispatchEvent( 'fragmenthidden', { fragment: changedFragments.hidden[0], fragments: changedFragments.hidden } ); } - if( fragmentsShown.length ) { - dispatchEvent( 'fragmentshown', { fragment: fragmentsShown[0], fragments: fragmentsShown } ); + if( changedFragments.shown.length ) { + dispatchEvent( 'fragmentshown', { fragment: changedFragments.shown[0], fragments: changedFragments.shown } ); } updateControls(); updateProgress(); + if( config.fragmentInURL ) { writeURL(); } - return !!( fragmentsShown.length || fragmentsHidden.length ); + return !!( changedFragments.shown.length || changedFragments.hidden.length ); } @@ -4527,12 +4749,12 @@ // Reverse for RTL if( config.rtl ) { if( ( isOverview() || nextFragment() === false ) && availableRoutes().left ) { - slide( indexh + 1 ); + slide( indexh + 1, config.navigationMode === 'grid' ? indexv : undefined ); } } // Normal navigation else if( ( isOverview() || previousFragment() === false ) && availableRoutes().left ) { - slide( indexh - 1 ); + slide( indexh - 1, config.navigationMode === 'grid' ? indexv : undefined ); } } @@ -4544,12 +4766,12 @@ // Reverse for RTL if( config.rtl ) { if( ( isOverview() || previousFragment() === false ) && availableRoutes().right ) { - slide( indexh - 1 ); + slide( indexh - 1, config.navigationMode === 'grid' ? indexv : undefined ); } } // Normal navigation else if( ( isOverview() || nextFragment() === false ) && availableRoutes().right ) { - slide( indexh + 1 ); + slide( indexh + 1, config.navigationMode === 'grid' ? indexv : undefined ); } } @@ -4676,6 +4898,22 @@ } /** + * Called whenever there is mouse input at the document level + * to determine if the cursor is active or not. + * + * @param {object} event + */ + function onDocumentCursorActive( event ) { + + showCursor(); + + clearTimeout( cursorInactiveTimeout ); + + cursorInactiveTimeout = setTimeout( hideCursor, config.hideCursorTime ); + + } + + /** * Handler for the document level 'keypress' event. * * @param {object} event @@ -4702,20 +4940,31 @@ return true; } + // Shorthand + var keyCode = event.keyCode; + // Remember if auto-sliding was paused so we can toggle it var autoSlideWasPaused = autoSlidePaused; onUserInput( event ); - // Check if there's a focused element that could be using - // the keyboard + // Is there a focused element that could be using the keyboard? var activeElementIsCE = document.activeElement && document.activeElement.contentEditable !== 'inherit'; var activeElementIsInput = document.activeElement && document.activeElement.tagName && /input|textarea/i.test( document.activeElement.tagName ); var activeElementIsNotes = document.activeElement && document.activeElement.className && /speaker-notes/i.test( document.activeElement.className); + // Whitelist specific modified + keycode combinations + var prevSlideShortcut = event.shiftKey && event.keyCode === 32; + var firstSlideShortcut = ( event.metaKey || event.ctrlKey ) && keyCode === 37; + var lastSlideShortcut = ( event.metaKey || event.ctrlKey ) && keyCode === 39; + + // Prevent all other events when a modifier is pressed + var unusedModifier = !prevSlideShortcut && !firstSlideShortcut && !lastSlideShortcut && + ( event.shiftKey || event.altKey || event.ctrlKey || event.metaKey ); + // Disregard the event if there's a focused element or a // keyboard modifier key is present - if( activeElementIsCE || activeElementIsInput || activeElementIsNotes || (event.shiftKey && event.keyCode !== 32) || event.altKey || event.ctrlKey || event.metaKey ) return; + if( activeElementIsCE || activeElementIsInput || activeElementIsNotes || unusedModifier ) return; // While paused only allow resume keyboard events; 'b', 'v', '.' var resumeKeyCodes = [66,86,190,191]; @@ -4730,7 +4979,7 @@ } } - if( isPaused() && resumeKeyCodes.indexOf( event.keyCode ) === -1 ) { + if( isPaused() && resumeKeyCodes.indexOf( keyCode ) === -1 ) { return false; } @@ -4742,7 +4991,7 @@ for( key in config.keyboard ) { // Check if this binding matches the pressed key - if( parseInt( key, 10 ) === event.keyCode ) { + if( parseInt( key, 10 ) === keyCode ) { var value = config.keyboard[ key ]; @@ -4769,7 +5018,7 @@ for( key in registeredKeyBindings ) { // Check if this binding matches the pressed key - if( parseInt( key, 10 ) === event.keyCode ) { + if( parseInt( key, 10 ) === keyCode ) { var action = registeredKeyBindings[ key ].callback; @@ -4793,35 +5042,92 @@ // Assume true and try to prove false triggered = true; - switch( event.keyCode ) { - // p, page up - case 80: case 33: navigatePrev(); break; - // n, page down - case 78: case 34: navigateNext(); break; - // h, left - case 72: case 37: navigateLeft(); break; - // l, right - case 76: case 39: navigateRight(); break; - // k, up - case 75: case 38: navigateUp(); break; - // j, down - case 74: case 40: navigateDown(); break; - // home - case 36: slide( 0 ); break; - // end - case 35: slide( Number.MAX_VALUE ); break; - // space - case 32: isOverview() ? deactivateOverview() : event.shiftKey ? navigatePrev() : navigateNext(); break; - // return - case 13: isOverview() ? deactivateOverview() : triggered = false; break; - // two-spot, semicolon, b, v, period, Logitech presenter tools "black screen" button - case 58: case 59: case 66: case 86: case 190: case 191: togglePause(); break; - // f - case 70: enterFullscreen(); break; - // a - case 65: if ( config.autoSlideStoppable ) toggleAutoSlide( autoSlideWasPaused ); break; - default: - triggered = false; + // P, PAGE UP + if( keyCode === 80 || keyCode === 33 ) { + navigatePrev(); + } + // N, PAGE DOWN + else if( keyCode === 78 || keyCode === 34 ) { + navigateNext(); + } + // H, LEFT + else if( keyCode === 72 || keyCode === 37 ) { + if( firstSlideShortcut ) { + slide( 0 ); + } + else if( !isOverview() && config.navigationMode === 'linear' ) { + navigatePrev(); + } + else { + navigateLeft(); + } + } + // L, RIGHT + else if( keyCode === 76 || keyCode === 39 ) { + if( lastSlideShortcut ) { + slide( Number.MAX_VALUE ); + } + else if( !isOverview() && config.navigationMode === 'linear' ) { + navigateNext(); + } + else { + navigateRight(); + } + } + // K, UP + else if( keyCode === 75 || keyCode === 38 ) { + if( !isOverview() && config.navigationMode === 'linear' ) { + navigatePrev(); + } + else { + navigateUp(); + } + } + // J, DOWN + else if( keyCode === 74 || keyCode === 40 ) { + if( !isOverview() && config.navigationMode === 'linear' ) { + navigateNext(); + } + else { + navigateDown(); + } + } + // HOME + else if( keyCode === 36 ) { + slide( 0 ); + } + // END + else if( keyCode === 35 ) { + slide( Number.MAX_VALUE ); + } + // SPACE + else if( keyCode === 32 ) { + if( isOverview() ) { + deactivateOverview(); + } + if( event.shiftKey ) { + navigatePrev(); + } + else { + navigateNext(); + } + } + // TWO-SPOT, SEMICOLON, B, V, PERIOD, LOGITECH PRESENTER TOOLS "BLACK SCREEN" BUTTON + else if( keyCode === 58 || keyCode === 59 || keyCode === 66 || keyCode === 86 || keyCode === 190 || keyCode === 191 ) { + togglePause(); + } + // F + else if( keyCode === 70 ) { + enterFullscreen(); + } + // A + else if( keyCode === 65 ) { + if ( config.autoSlideStoppable ) { + toggleAutoSlide( autoSlideWasPaused ); + } + } + else { + triggered = false; } } @@ -4832,7 +5138,7 @@ event.preventDefault && event.preventDefault(); } // ESC or O key - else if ( ( event.keyCode === 27 || event.keyCode === 79 ) && features.transforms3d ) { + else if ( ( keyCode === 27 || keyCode === 79 ) && features.transforms3d ) { if( dom.overlay ) { closeOverlay(); } @@ -4863,18 +5169,6 @@ touch.startY = event.touches[0].clientY; touch.startCount = event.touches.length; - // If there's two touches we need to memorize the distance - // between those two points to detect pinching - if( event.touches.length === 2 && config.overview ) { - touch.startSpan = distanceBetween( { - x: event.touches[1].clientX, - y: event.touches[1].clientY - }, { - x: touch.startX, - y: touch.startY - } ); - } - } /** @@ -4893,37 +5187,8 @@ var currentX = event.touches[0].clientX; var currentY = event.touches[0].clientY; - // If the touch started with two points and still has - // two active touches; test for the pinch gesture - if( event.touches.length === 2 && touch.startCount === 2 && config.overview ) { - - // The current distance in pixels between the two touch points - var currentSpan = distanceBetween( { - x: event.touches[1].clientX, - y: event.touches[1].clientY - }, { - x: touch.startX, - y: touch.startY - } ); - - // If the span is larger than the desire amount we've got - // ourselves a pinch - if( Math.abs( touch.startSpan - currentSpan ) > touch.threshold ) { - touch.captured = true; - - if( currentSpan < touch.startSpan ) { - activateOverview(); - } - else { - deactivateOverview(); - } - } - - event.preventDefault(); - - } // There was only one touch point, look for a swipe - else if( event.touches.length === 1 && touch.startCount !== 2 ) { + if( event.touches.length === 1 && touch.startCount !== 2 ) { var deltaX = currentX - touch.startX, deltaY = currentY - touch.startY; @@ -5073,8 +5338,8 @@ /** * Event handler for navigation control buttons. */ - function onNavigateLeftClicked( event ) { event.preventDefault(); onUserInput(); navigateLeft(); } - function onNavigateRightClicked( event ) { event.preventDefault(); onUserInput(); navigateRight(); } + function onNavigateLeftClicked( event ) { event.preventDefault(); onUserInput(); config.navigationMode === 'linear' ? navigatePrev() : navigateLeft(); } + function onNavigateRightClicked( event ) { event.preventDefault(); onUserInput(); config.navigationMode === 'linear' ? navigateNext() : navigateRight(); } function onNavigateUpClicked( event ) { event.preventDefault(); onUserInput(); navigateUp(); } function onNavigateDownClicked( event ) { event.preventDefault(); onUserInput(); navigateDown(); } function onNavigatePrevClicked( event ) { event.preventDefault(); onUserInput(); navigatePrev(); } @@ -5463,6 +5728,10 @@ // Returns an Array of all slides getSlides: getSlides, + // Returns an Array of objects representing the attributes on + // the slides + getSlidesAttributes: getSlidesAttributes, + // Returns the total number of slides getTotalSlides: getTotalSlides, @@ -5513,6 +5782,11 @@ return query; }, + // Returns the top-level DOM element + getRevealElement: function() { + return dom.wrapper || document.querySelector( '.reveal' ); + }, + // Returns true if we're currently on the first slide isFirstSlide: function() { return ( indexh === 0 && indexv === 0 ); @@ -5554,12 +5828,12 @@ // Forward event binding to the reveal DOM element addEventListener: function( type, listener, useCapture ) { if( 'addEventListener' in window ) { - ( dom.wrapper || document.querySelector( '.reveal' ) ).addEventListener( type, listener, useCapture ); + Reveal.getRevealElement().addEventListener( type, listener, useCapture ); } }, removeEventListener: function( type, listener, useCapture ) { if( 'addEventListener' in window ) { - ( dom.wrapper || document.querySelector( '.reveal' ) ).removeEventListener( type, listener, useCapture ); + Reveal.getRevealElement().removeEventListener( type, listener, useCapture ); } }, |