From f22e5f85e8284aaca724c372e8f9efdfd9b11943 Mon Sep 17 00:00:00 2001 From: Hakim El Hattab Date: Mon, 8 Oct 2012 00:08:50 -0400 Subject: [PATCH] new paused mode feature (closes #144), controls and progress DOM elements are no longer required in HTML --- css/reveal.css | 38 ++++++++++-- index.html | 24 +++----- js/reveal.js | 154 +++++++++++++++++++++++++++++++++++++---------- js/reveal.min.js | 136 +++++++++++++++++++++-------------------- 4 files changed, 234 insertions(+), 118 deletions(-) diff --git a/css/reveal.css b/css/reveal.css index 2f280bc..d493b22 100644 --- a/css/reveal.css +++ b/css/reveal.css @@ -410,6 +410,7 @@ body { margin-top: -320px; padding: 20px 0px; overflow: visible; + z-index: 1; text-align: center; @@ -921,6 +922,33 @@ body { } +/********************************************* + * PAUSED MODE + *********************************************/ + +.reveal .pause-overlay { + position: absolute; + top: 0; + left: 0; + width: 100%; + height: 100%; + background: black; + visibility: hidden; + opacity: 0; + z-index: 100; + + -webkit-transition: all 1s ease; + -moz-transition: all 1s ease; + -ms-transition: all 1s ease; + -o-transition: all 1s ease; + transition: all 1s ease; +} +.reveal.paused .pause-overlay { + visibility: visible; + opacity: 1; +} + + /********************************************* * FALLBACK *********************************************/ @@ -945,10 +973,10 @@ body { /********************************************* - * DEFAULT STATES + * BACKGROUND STATES *********************************************/ -.state-background { +.reveal .state-background { position: absolute; width: 100%; height: 100%; @@ -960,13 +988,13 @@ body { -o-transition: background 800ms ease; transition: background 800ms ease; } -.alert .state-background { +.alert .reveal .state-background { background: rgba( 200, 50, 30, 0.6 ); } -.soothe .state-background { +.soothe .reveal .state-background { background: rgba( 50, 200, 90, 0.4 ); } -.blackout .state-background { +.blackout .reveal .state-background { background: rgba( 0, 0, 0, 0.6 ); } diff --git a/index.html b/index.html index 1ebea32..b5625c9 100644 --- a/index.html +++ b/index.html @@ -34,9 +34,6 @@
- -
-
@@ -278,6 +275,14 @@ function linkify( selector ) {
+
+

Take a Moment

+

+ Press b or period on your keyboard to enter the 'paused' mode. This mode is helpful when you want to take disctracting slides off the screen + during a presentaion. +

+
+

Stellar Links

    @@ -310,17 +315,6 @@ function linkify( selector ) {

    BY Hakim El Hattab / hakim.se

- - - - - -
@@ -346,7 +340,7 @@ function linkify( selector ) { { src: 'lib/js/showdown.js', condition: function() { return !!document.querySelector( '[data-markdown]' ); } }, { src: 'lib/js/data-markdown.js', condition: function() { return !!document.querySelector( '[data-markdown]' ); } }, { src: '/socket.io/socket.io.js', async: true, condition: function() { return window.location.host === 'localhost:1947'; } }, - { src: 'plugin/speakernotes/client.js', async: true, condition: function() { return window.location.host === 'localhost:1947'; } }, + { src: 'plugin/speakernotes/client.js', async: true, condition: function() { return window.location.host === 'localhost:1947'; } } ] }); diff --git a/js/reveal.js b/js/reveal.js index 06ecde6..c9ba7b1 100644 --- a/js/reveal.js +++ b/js/reveal.js @@ -1,5 +1,5 @@ /*! - * reveal.js 2.1 r28 + * reveal.js 2.1 r29 * http://lab.hakim.se/reveal-js * MIT licensed * @@ -116,9 +116,61 @@ var Reveal = (function(){ // Copy options over to our config object extend( config, options ); - // Cache references to DOM elements + // Make sure we've got all the DOM elements we need + setupDOM(); + + // Hide the address bar in mobile browsers + hideAddressBar(); + + // Loads the dependencies and continues to #start() once done + load(); + + } + + /** + * Finds and stores references to DOM elements which are + * required by the presentation. If a required element is + * not found, it is created. + */ + function setupDOM() { + // Cache references to key DOM elements dom.theme = document.querySelector( '#theme' ); dom.wrapper = document.querySelector( '.reveal' ); + + // Progress bar + if( !dom.wrapper.querySelector( '.progress' ) && config.progress ) { + var progressElement = document.createElement( 'div' ); + progressElement.classList.add( 'progress' ); + progressElement.innerHTML = ''; + dom.wrapper.appendChild( progressElement ); + } + + // Arrow controls + if( !dom.wrapper.querySelector( '.controls' ) && config.controls ) { + var controlsElement = document.createElement( 'aside' ); + controlsElement.classList.add( 'controls' ); + controlsElement.innerHTML = '◄' + + '►' + + '▲' + + '▼'; + dom.wrapper.appendChild( controlsElement ); + } + + // Presentation background element + if( !dom.wrapper.querySelector( '.state-background' ) ) { + var backgroundElement = document.createElement( 'div' ); + backgroundElement.classList.add( 'state-background' ); + dom.wrapper.appendChild( backgroundElement ); + } + + // Overlay graphic which is displayed during the paused mode + if( !dom.wrapper.querySelector( '.pause-overlay' ) ) { + var pausedElement = document.createElement( 'div' ); + pausedElement.classList.add( 'pause-overlay' ); + dom.wrapper.appendChild( pausedElement ); + } + + // Cache references to elements dom.progress = document.querySelector( '.reveal .progress' ); dom.progressbar = document.querySelector( '.reveal .progress span' ); @@ -129,11 +181,12 @@ var Reveal = (function(){ dom.controlsUp = document.querySelector( '.reveal .controls .up' ); dom.controlsDown = document.querySelector( '.reveal .controls .down' ); } + } - // Loads the dependencies and continues to #start() once done - load(); - - // Set up hiding of the browser address bar + /** + * Hides the address bar if we're on a mobile device. + */ + function hideAddressBar() { if( navigator.userAgent.match( /(iphone|ipod|android)/i ) ) { // Give the page some scrollable overflow document.documentElement.style.overflow = 'scroll'; @@ -143,7 +196,6 @@ var Reveal = (function(){ window.addEventListener( 'load', removeAddressBar, false ); window.addEventListener( 'orientationchange', removeAddressBar, false ); } - } /** @@ -378,9 +430,11 @@ var Reveal = (function(){ // end case 35: navigateTo( Number.MAX_VALUE ); break; // space - case 32: overviewIsActive() ? deactivateOverview() : navigateNext(); break; + case 32: isOverviewActive() ? deactivateOverview() : navigateNext(); break; // return - case 13: overviewIsActive() ? deactivateOverview() : triggered = false; break; + case 13: isOverviewActive() ? deactivateOverview() : triggered = false; break; + // b, period + case 66: case 190: togglePause(); break; default: triggered = false; } @@ -532,7 +586,7 @@ var Reveal = (function(){ function onOverviewSlideClicked( event ) { // TODO There's a bug here where the event listeners are not // removed after deactivating the overview. - if( overviewIsActive() ) { + if( isOverviewActive() ) { event.preventDefault(); deactivateOverview(); @@ -652,16 +706,66 @@ var Reveal = (function(){ } } + /** + * Toggles the slide overview mode on and off. + * + * @param {Boolean} override Optional flag which overrides the + * toggle logic and forcibly sets the desired state. True means + * overview is open, false means it's closed. + */ + function toggleOverview( override ) { + if( typeof override === 'boolean' ) { + override ? activateOverview() : deactivateOverview(); + } + else { + isOverviewActive() ? deactivateOverview() : activateOverview(); + } + } + /** * Checks if the overview is currently active. * * @return {Boolean} true if the overview is active, * false otherwise */ - function overviewIsActive() { + function isOverviewActive() { return dom.wrapper.classList.contains( 'overview' ); } + /** + * Enters the paused mode which fades everything on screen to + * black. + */ + function pause() { + dom.wrapper.classList.add( 'paused' ); + } + + /** + * Exits from the paused mode. + */ + function resume() { + dom.wrapper.classList.remove( 'paused' ); + } + + /** + * Toggles the paused mode on and off. + */ + function togglePause() { + if( isPaused() ) { + resume(); + } + else { + pause(); + } + } + + /** + * Checks if we are currently in the paused mode. + */ + function isPaused() { + return dom.wrapper.classList.contains( 'paused' ); + } + /** * Updates one dimension of slides by showing the slide * with the specified index. @@ -701,7 +805,7 @@ var Reveal = (function(){ // Optimization; hide all slides that are three or more steps // away from the present slide - if( overviewIsActive() === false ) { + if( isOverviewActive() === false ) { // The distance loops so that it measures 1 between the first // and last slides var distance = Math.abs( ( index - i ) % ( slidesLength - 3 ) ) || 0; @@ -801,7 +905,7 @@ var Reveal = (function(){ } // If the overview is active, re-activate it to update positions - if( overviewIsActive() ) { + if( isOverviewActive() ) { activateOverview(); } @@ -1024,28 +1128,28 @@ var Reveal = (function(){ function navigateLeft() { // Prioritize hiding fragments - if( overviewIsActive() || previousFragment() === false ) { + if( isOverviewActive() || previousFragment() === false ) { slide( indexh - 1, 0 ); } } function navigateRight() { // Prioritize revealing fragments - if( overviewIsActive() || nextFragment() === false ) { + if( isOverviewActive() || nextFragment() === false ) { slide( indexh + 1, 0 ); } } function navigateUp() { // Prioritize hiding fragments - if( overviewIsActive() || previousFragment() === false ) { + if( isOverviewActive() || previousFragment() === false ) { slide( indexh, indexv - 1 ); } } function navigateDown() { // Prioritize revealing fragments - if( overviewIsActive() || nextFragment() === false ) { + if( isOverviewActive() || nextFragment() === false ) { slide( indexh, indexv + 1 ); } } @@ -1088,22 +1192,6 @@ var Reveal = (function(){ // another timeout cueAutoSlide(); } - - /** - * Toggles the slide overview mode on and off. - * - * @param {Boolean} override Optional flag which overrides the - * toggle logic and forcibly sets the desired state. True means - * overview is open, false means it's closed. - */ - function toggleOverview( override ) { - if( typeof override === 'boolean' ) { - override ? activateOverview() : deactivateOverview(); - } - else { - overviewIsActive() ? deactivateOverview() : activateOverview(); - } - } // Expose some methods publicly return { diff --git a/js/reveal.min.js b/js/reveal.min.js index 1a84333..0b8f16f 100644 --- a/js/reveal.min.js +++ b/js/reveal.min.js @@ -1,72 +1,78 @@ /*! - * reveal.js 2.1 r28 + * reveal.js 2.1 r29 * http://lab.hakim.se/reveal-js * MIT licensed * * Copyright (C) 2011-2012 Hakim El Hattab, http://hakim.se */ -var Reveal=(function(){var j=".reveal .slides>section",b=".reveal .slides>section.present>section",M={controls:true,progress:true,history:false,keyboard:true,overview:true,loop:false,autoSlide:0,mouseWheel:true,rollingLinks:true,theme:"default",transition:"default",dependencies:[]},k=0,c=0,v,D,ab=[],d={},O="WebkitPerspective" in document.body.style||"MozPerspective" in document.body.style||"msPerspective" in document.body.style||"OPerspective" in document.body.style||"perspective" in document.body.style,l="WebkitTransform" in document.body.style||"MozTransform" in document.body.style||"msTransform" in document.body.style||"OTransform" in document.body.style||"transform" in document.body.style,w=0,i=0,z=0,V={startX:0,startY:0,startSpan:0,startCount:0,handled:false,threshold:40}; 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