From d489ec2f9ddddb9e502c3cccbfe277f84c22963b Mon Sep 17 00:00:00 2001 From: hakimel Date: Mon, 21 Jan 2013 12:45:52 -0500 Subject: [PATCH] add overviewshown and overviewhidden events (closes #298) --- README.md | 10 +++++++++- js/reveal.js | 22 ++++++++++++++++++++-- js/reveal.min.js | 4 ++-- 3 files changed, 31 insertions(+), 5 deletions(-) diff --git a/README.md b/README.md index d7bf4c8..b5f374f 100644 --- a/README.md +++ b/README.md @@ -256,7 +256,15 @@ Reveal.addEventListener( 'fragmenthidden', function( event ) { ### Overview mode Press "Esc" key to toggle the overview mode on and off. While you're in this mode, you can still navigate between slides, -as if you were at 1,000 feet above your presentation. +as if you were at 1,000 feet above your presentation. The overview mode comes with a few API hooks: + +```javascript +Reveal.addEventListener( 'overviewshown', function( event ) { /* ... */ } ); +Reveal.addEventListener( 'overviewhidden', function( event ) { /* ... */ } ); + +// Toggle the overview mode programmatically +Reveal.toggleOverview(); +``` ### Fullscreen mode Just press »F« on your keyboard to show your presentation in fullscreen mode. Press the »ESC« key to exit fullscreen mode. diff --git a/js/reveal.js b/js/reveal.js index 93b14f7..b3d1d7f 100644 --- a/js/reveal.js +++ b/js/reveal.js @@ -622,14 +622,16 @@ var Reveal = (function(){ // Only proceed if enabled in config if( config.overview ) { + var wasActive = dom.wrapper.classList.contains( 'overview' ); + dom.wrapper.classList.add( 'overview' ); dom.wrapper.classList.remove( 'exit-overview' ); clearTimeout( activateOverviewTimeout ); clearTimeout( deactivateOverviewTimeout ); - // Not the pretties solution, but need to let the overview - // class apply first so that slides are measured accurately + // Not the pretties solution, but need to let the overview + // class apply first so that slides are measured accurately // before we can position them activateOverviewTimeout = setTimeout( function(){ @@ -681,6 +683,15 @@ var Reveal = (function(){ layout(); + if( !wasActive ) { + // Notify observers of the overview showing + dispatchEvent( 'overviewshown', { + 'indexh': indexh, + 'indexv': indexv, + 'currentSlide': currentSlide + } ); + } + }, 10 ); } @@ -730,6 +741,13 @@ var Reveal = (function(){ slide( indexh, indexv ); + // Notify observers of the overview hiding + dispatchEvent( 'overviewhidden', { + 'indexh': indexh, + 'indexv': indexv, + 'currentSlide': currentSlide + } ); + } } diff --git a/js/reveal.min.js b/js/reveal.min.js index 8a6bec8..d3b2a1a 100644 --- a/js/reveal.min.js +++ b/js/reveal.min.js @@ -1,8 +1,8 @@ /*! - * reveal.js 2.2 (2013-01-21, 12:28) + * reveal.js 2.2 (2013-01-21, 12:41) * http://lab.hakim.se/reveal-js * MIT licensed * * Copyright (C) 2011-2012 Hakim El Hattab, http://hakim.se */ -var Reveal=function(){"use strict";function u(a){return n||m?(window.addEventListener("load",J,!1),C(e,a),w(),x(),void 0):(document.body.setAttribute("class","no-transforms"),void 0)}function v(){if(l.theme=document.querySelector("#theme"),l.wrapper=document.querySelector(".reveal"),l.slides=document.querySelector(".reveal .slides"),!l.wrapper.querySelector(".progress")&&e.progress){var a=document.createElement("div");a.classList.add("progress"),a.innerHTML="",l.wrapper.appendChild(a)}if(!l.wrapper.querySelector(".controls")&&e.controls){var b=document.createElement("aside");b.classList.add("controls"),b.innerHTML='
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