'OPerspective' in document.body.style ||
'perspective' in document.body.style,
+ // Detect support for CSS 2D transforms
supports2DTransforms = 'WebkitTransform' in document.body.style ||
'MozTransform' in document.body.style ||
'msTransform' in document.body.style ||
* Starts up the presentation if the client is capable.
*/
function initialize( options ) {
+
if( ( !supports2DTransforms && !supports3DTransforms ) ) {
document.body.setAttribute( 'class', 'no-transforms' );
* not found, it is created.
*/
function setupDOM() {
+
// Cache references to key DOM elements
dom.theme = document.querySelector( '#theme' );
dom.wrapper = document.querySelector( '.reveal' );
dom.controlsPrev = toArray( document.querySelectorAll( '.navigate-prev' ) );
dom.controlsNext = toArray( document.querySelectorAll( '.navigate-next' ) );
}
+
}
/**
* Hides the address bar if we're on a mobile device.
*/
function hideAddressBar() {
+
if( navigator.userAgent.match( /(iphone|ipod)/i ) ) {
// Give the page some scrollable overflow
document.documentElement.style.overflow = 'scroll';
window.addEventListener( 'load', removeAddressBar, false );
window.addEventListener( 'orientationchange', removeAddressBar, false );
}
+
}
/**
* will load after reveal.js has been started up.
*/
function load() {
+
var scripts = [],
scriptsAsync = [];
else {
proceed();
}
+
}
/**
* to the current URL deeplink if there is one.
*/
function start() {
+
// Make sure we've got all the DOM elements we need
setupDOM();
'currentSlide': currentSlide
} );
}, 1 );
+
}
/**
* Applies the configuration settings from the config object.
*/
function configure() {
+
if( supports3DTransforms === false ) {
config.transition = 'linear';
}
dom.theme.setAttribute( 'href', themeURL );
}
}
+
}
/**
* Binds all event listeners.
*/
function addEventListeners() {
+
document.addEventListener( 'touchstart', onDocumentTouchStart, false );
document.addEventListener( 'touchmove', onDocumentTouchMove, false );
document.addEventListener( 'touchend', onDocumentTouchEnd, false );
dom.controlsPrev.forEach( function( el ) { el.addEventListener( actionEvent, preventAndForward( navigatePrev ), false ); } );
dom.controlsNext.forEach( function( el ) { el.addEventListener( actionEvent, preventAndForward( navigateNext ), false ); } );
}
+
}
/**
* Unbinds all event listeners.
*/
function removeEventListeners() {
+
document.removeEventListener( 'keydown', onDocumentKeyDown, false );
document.removeEventListener( 'touchstart', onDocumentTouchStart, false );
document.removeEventListener( 'touchmove', onDocumentTouchMove, false );
dom.controlsPrev.forEach( function( el ) { el.removeEventListener( actionEvent, preventAndForward( navigatePrev ), false ); } );
dom.controlsNext.forEach( function( el ) { el.removeEventListener( actionEvent, preventAndForward( navigateNext ), false ); } );
}
+
}
/**
* If there's a conflict, object b takes precedence.
*/
function extend( a, b ) {
+
for( var i in b ) {
a[ i ] = b[ i ];
}
+
}
/**
* Converts the target object to an array.
*/
function toArray( o ) {
+
return Array.prototype.slice.call( o );
- }
- function each( targets, method, args ) {
- targets.forEach( function( el ) {
- el[method].apply( el, args );
- } );
}
/**
* @param {Object} b point with x/y properties
*/
function distanceBetween( a, b ) {
+
var dx = a.x - b.x,
dy = a.y - b.y;
return Math.sqrt( dx*dx + dy*dy );
+
}
/**
* after the wrapper has been executed
*/
function preventAndForward( delegate ) {
+
return function( event ) {
event.preventDefault();
delegate.call( null, event );
};
+
}
/**
* more vertical space ftw.
*/
function removeAddressBar() {
+
setTimeout( function() {
window.scrollTo( 0, 1 );
}, 0 );
+
}
/**
* reveal DOM element.
*/
function dispatchEvent( type, properties ) {
+
var event = document.createEvent( "HTMLEvents", 1, 2 );
event.initEvent( type, true, true );
extend( event, properties );
dom.wrapper.dispatchEvent( event );
+
}
/**
* Wrap all links in 3D goodness.
*/
function linkify() {
+
if( supports3DTransforms && !( 'msPerspective' in document.body.style ) ) {
var nodes = document.querySelectorAll( SLIDES_SELECTOR + ' a:not(.image)' );
}
}
}
+
}
/**
for( var i = 0, len = slides.length; i < len; i++ ) {
var slide = slides[ i ];
- // Don't bother update invisible slides
+ // Don't bother updating invisible slides
if( slide.style.display === 'none' ) {
continue;
}
}
/**
- * Stores the vertical index of a stack so that the same
- * vertical slide can be selected when navigating to and
+ * Stores the vertical index of a stack so that the same
+ * vertical slide can be selected when navigating to and
* from the stack.
- *
+ *
* @param {HTMLElement} stack The vertical stack element
* @param {int} v Index to memorize
*/
function setPreviousVerticalIndex( stack, v ) {
+
if( stack ) {
stack.setAttribute( 'data-previous-indexv', v || 0 );
}
+
}
/**
* @param {HTMLElement} stack The vertical stack element
*/
function getPreviousVerticalIndex( stack ) {
+
if( stack && stack.classList.contains( 'stack' ) ) {
return parseInt( stack.getAttribute( 'data-previous-indexv' ) || 0, 10 );
}
return 0;
+
}
/**
// Not the pretties solution, but need to let the overview
// class apply first so that slides are measured accurately
- // before we can positon them
+ // before we can position them
activateOverviewTimeout = setTimeout( function(){
var horizontalSlides = document.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR );
* overview is open, false means it's closed.
*/
function toggleOverview( override ) {
+
if( typeof override === 'boolean' ) {
override ? activateOverview() : deactivateOverview();
}
else {
isOverviewActive() ? deactivateOverview() : activateOverview();
}
+
}
/**
* false otherwise
*/
function isOverviewActive() {
+
return dom.wrapper.classList.contains( 'overview' );
+
}
/**
* @see https://developer.mozilla.org/en-US/docs/DOM/Using_fullscreen_mode
*/
function enterFullscreen() {
+
var element = document.body;
// Check which implementation is available
if( requestMethod ) {
requestMethod.apply( element );
}
+
}
/**
* 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' );
+
}
/**
*
* @param {int} h Horizontal index of the target slide
* @param {int} v Vertical index of the target slide
- * @param {int} f Optional index of a fragment within the
+ * @param {int} f Optional index of a fragment within the
* target slide to activate
*/
function slide( h, v, f ) {
+
// Remember where we were at before
previousSlide = currentSlide;
// Query all horizontal slides in the deck
var horizontalSlides = document.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR );
- // If no vertical index is specified and the upcoming slide is a
+ // If no vertical index is specified and the upcoming slide is a
// stack, resume at its previous vertical index
if( v === undefined ) {
v = getPreviousVerticalIndex( horizontalSlides[ h ] );
}
- // If we were on a vertical stack, remember what vertical index
+ // If we were on a vertical stack, remember what vertical index
// it was on so we can resume at the same position when returning
if( previousSlide && previousSlide.parentNode && previousSlide.parentNode.classList.contains( 'stack' ) ) {
setPreviousVerticalIndex( previousSlide.parentNode, indexv );
dispatchEvent( state[i] );
}
- // Clean up the remaints of the previous state
+ // Clean up the remains of the previous state
while( stateBefore.length ) {
document.documentElement.classList.remove( stateBefore.pop() );
}
updateControls();
updateProgress();
+
}
/**
* bounds.
*/
function updateSlides( selector, index ) {
+
// Select all slides and convert the NodeList result to
// an array
var slides = toArray( document.querySelectorAll( selector ) ),
* Updates the progress bar to reflect the current slide.
*/
function updateProgress() {
+
// Update progress if enabled
if( config.progress && dom.progress ) {
dom.progressbar.style.width = ( pastCount / ( totalCount - 1 ) ) * window.innerWidth + 'px';
}
+
}
/**
* Updates the state of all control/navigation arrows.
*/
function updateControls() {
+
if ( config.controls && dom.controls ) {
var routes = availableRoutes();
if( routes.right || routes.down ) dom.controlsNext.forEach( function( el ) { el.classList.add( 'enabled' ); } );
}
+
}
/**
* @return {Object} containing four booleans: left/right/up/down
*/
function availableRoutes() {
+
var horizontalSlides = document.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR ),
verticalSlides = document.querySelectorAll( VERTICAL_SLIDES_SELECTOR );
up: indexv > 0,
down: indexv < verticalSlides.length - 1
};
+
}
/**
* Reads the current URL (hash) and navigates accordingly.
*/
function readURL() {
+
var hash = window.location.hash;
// Attempt to parse the hash as either an index or name
slide( h, v );
}
+
}
/**
* Updates the page URL (hash) to reflect the current
* state.
*
- * @param {Number} delay The time in ms to wait before
+ * @param {Number} delay The time in ms to wait before
* writing the hash
*/
function writeURL( delay ) {
+
if( config.history ) {
// Make sure there's never more than one timeout running
window.location.hash = url;
}
}
+
}
/**
* @return {Object} { h: <int>, v: <int> }
*/
function getIndices( slide ) {
+
// By default, return the current indices
var h = indexh,
v = indexv;
}
return { h: h, v: v };
+
}
/**
* false otherwise
*/
function nextFragment() {
+
// Vertical slides:
if( document.querySelector( VERTICAL_SLIDES_SELECTOR + '.present' ) ) {
var verticalFragments = document.querySelectorAll( VERTICAL_SLIDES_SELECTOR + '.present .fragment:not(.visible)' );
}
return false;
+
}
/**
* false otherwise
*/
function previousFragment() {
+
// Vertical slides:
if( document.querySelector( VERTICAL_SLIDES_SELECTOR + '.present' ) ) {
var verticalFragments = document.querySelectorAll( VERTICAL_SLIDES_SELECTOR + '.present .fragment.visible' );
}
return false;
+
}
/**
* Cues a new automated slide if enabled in the config.
*/
function cueAutoSlide() {
+
clearTimeout( autoSlideTimeout );
// Cue the next auto-slide if enabled
if( autoSlide ) {
autoSlideTimeout = setTimeout( navigateNext, autoSlide );
}
+
}
function navigateLeft() {
+
// Prioritize hiding fragments
if( availableRoutes().left && isOverviewActive() || previousFragment() === false ) {
slide( indexh - 1 );
}
+
}
function navigateRight() {
+
// Prioritize revealing fragments
if( availableRoutes().right && isOverviewActive() || nextFragment() === false ) {
slide( indexh + 1 );
}
+
}
function navigateUp() {
+
// Prioritize hiding fragments
if( availableRoutes().up && isOverviewActive() || previousFragment() === false ) {
slide( indexh, indexv - 1 );
}
+
}
function navigateDown() {
+
// Prioritize revealing fragments
if( availableRoutes().down && isOverviewActive() || nextFragment() === false ) {
slide( indexh, indexv + 1 );
}
+
}
/**
* 3) Previous horizontal slide
*/
function navigatePrev() {
+
// Prioritize revealing fragments
if( previousFragment() === false ) {
if( availableRoutes().up ) {
}
}
}
+
}
/**
* Same as #navigatePrev() but navigates forwards.
*/
function navigateNext() {
+
// Prioritize revealing fragments
if( nextFragment() === false ) {
availableRoutes().down ? navigateDown() : navigateRight();
// If auto-sliding is enabled we need to cue up
// another timeout
cueAutoSlide();
+
}
* @param {Object} event
*/
function onDocumentKeyDown( event ) {
- // Check if there's a focused element that could be using
+
+ // Check if there's a focused element that could be using
// the keyboard
var activeElement = document.activeElement;
var hasFocus = !!( document.activeElement && ( document.activeElement.type || document.activeElement.href || document.activeElement.contentEditable !== 'inherit' ) );
- // Disregard the event if there's a focused element or a
+ // Disregard the event if there's a focused element or a
// keyboard modifier key is present
if ( hasFocus || event.shiftKey || event.altKey || event.ctrlKey || event.metaKey ) return;
* enables support for swipe and pinch gestures.
*/
function onDocumentTouchStart( event ) {
+
touch.startX = event.touches[0].clientX;
touch.startY = event.touches[0].clientY;
touch.startCount = event.touches.length;
y: touch.startY
} );
}
+
}
/**
* Handler for the document level 'touchmove' event.
*/
function onDocumentTouchMove( event ) {
+
// Each touch should only trigger one action
if( !touch.handled ) {
var currentX = event.touches[0].clientX;
else if( navigator.userAgent.match( /android/gi ) ) {
event.preventDefault();
}
+
}
/**
* Handler for the document level 'touchend' event.
*/
function onDocumentTouchEnd( event ) {
+
touch.handled = false;
+
}
/**
* Handles mouse wheel scrolling, throttled to avoid skipping
* multiple slides.
*/
- function onDocumentMouseScroll( event ){
+ function onDocumentMouseScroll( event ) {
+
clearTimeout( mouseWheelTimeout );
mouseWheelTimeout = setTimeout( function() {
navigatePrev();
}
}, 100 );
+
}
/**
* ( clickX / presentationWidth ) * numberOfSlides
*/
function onProgressClick( event ) {
+
var slidesTotal = toArray( document.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR ) ).length;
var slideIndex = Math.floor( ( event.clientX / dom.wrapper.offsetWidth ) * slidesTotal );
slide( slideIndex );
+
}
/**
* Handler for the window level 'hashchange' event.
*/
function onWindowHashChange( event ) {
+
readURL();
+
}
/**
* Handler for the window level 'resize' event.
*/
function onWindowResize( event ) {
+
layout();
+
}
/**
* Invoked when a slide is and we're in the overview.
*/
function onOverviewSlideClicked( event ) {
+
// TODO There's a bug here where the event listeners are not
// removed after deactivating the overview.
if( isOverviewActive() ) {
slide( h, v );
}
}
+
}
navigatePrev: navigatePrev,
navigateNext: navigateNext,
+ // Forces an update in slide layout
+ layout: layout,
+
// Toggles the overview mode on/off
toggleOverview: toggleOverview,
*
* Copyright (C) 2011-2012 Hakim El Hattab, http://hakim.se
*/
-var Reveal=function(){"use strict";function w(e){if(!p&&!h){document.body.setAttribute("class","no-transforms");return}window.addEventListener("load",B,!1),L(i,e),S(),x()}function E(){c.theme=document.querySelector("#theme"),c.wrapper=document.querySelector(".reveal"),c.slides=document.querySelector(".reveal .slides");if(!c.wrapper.querySelector(".progress")&&i.progress){var e=document.createElement("div");e.classList.add("progress"),e.innerHTML="<span></span>",c.wrapper.appendChild(e)}if(!c.wrapper.querySelector(".controls")&&i.controls){var t=document.createElement("aside");t.classList.add("controls"),t.innerHTML='<div class="navigate-left"></div><div class="navigate-right"></div><div class="navigate-up"></div><div class="navigate-down"></div>',c.wrapper.appendChild(t)}if(!c.wrapper.querySelector(".state-background")){var n=document.createElement("div");n.classList.add("state-background"),c.wrapper.appendChild(n)}if(!c.wrapper.querySelector(".pause-overlay")){var r=document.createElement("div");r.classList.add("pause-overlay"),c.wrapper.appendChild(r)}c.progress=document.querySelector(".reveal .progress"),c.progressbar=document.querySelector(".reveal .progress span"),i.controls&&(c.controls=document.querySelector(".reveal .controls"),c.controlsLeft=A(document.querySelectorAll(".navigate-left")),c.controlsRight=A(document.querySelectorAll(".navigate-right")),c.controlsUp=A(document.querySelectorAll(".navigate-up")),c.controlsDown=A(document.querySelectorAll(".navigate-down")),c.controlsPrev=A(document.querySelectorAll(".navigate-prev")),c.controlsNext=A(document.querySelectorAll(".navigate-next")))}function S(){navigator.userAgent.match(/(iphone|ipod)/i)&&(document.documentElement.style.overflow="scroll",document.body.style.height="120%",window.addEventListener("load",D,!1),window.addEventListener("orientationchange",D,!1))}function x(){function o(){t.length&&head.js.apply(null,t),T()}var e=[],t=[];for(var n=0,r=i.dependencies.length;n<r;n++){var s=i.dependencies[n];if(!s.condition||s.condition())s.async?t.push(s.src):e.push(s.src),typeof s.callback=="function"&&head.ready(s.src.match(/([\w\d_\-]*)\.?js$|[^\\\/]*$/i)[0],s.callback)}e.length?(head.ready(o),head.js.apply(null,e)):o()}function T(){E(),C(),N(),B(),Z(),it(),setTimeout(function(){P("ready",{indexh:o,indexv:u,currentSlide:f})},1)}function N(){h===!1&&(i.transition="linear"),i.controls&&c.controls&&(c.controls.style.display="block"),i.progress&&c.progress&&(c.progress.style.display="block"),i.transition!=="default"&&c.wrapper.classList.add(i.transition),i.rtl&&c.wrapper.classList.add("rtl"),i.center&&c.wrapper.classList.add("center"),i.mouseWheel&&(document.addEventListener("DOMMouseScroll",vt,!1),document.addEventListener("mousewheel",vt,!1)),i.rollingLinks&&H();if(i.theme&&c.theme){var e=c.theme.getAttribute("href"),t=/[^\/]*?(?=\.css)/,n=e.match(t)[0];i.theme!==n&&(e=e.replace(t,i.theme),c.theme.setAttribute("href",e))}}function C(){document.addEventListener("touchstart",ht,!1),document.addEventListener("touchmove",pt,!1),document.addEventListener("touchend",dt,!1),window.addEventListener("hashchange",gt,!1),window.addEventListener("resize",yt,!1),i.keyboard&&document.addEventListener("keydown",ct,!1),i.progress&&c.progress&&c.progress.addEventListener("click",_(mt),!1);if(i.controls&&c.controls){var e="ontouchstart"in window?"touchstart":"click";c.controlsLeft.forEach(function(t){t.addEventListener(e,_(st),!1)}),c.controlsRight.forEach(function(t){t.addEventListener(e,_(ot),!1)}),c.controlsUp.forEach(function(t){t.addEventListener(e,_(ut),!1)}),c.controlsDown.forEach(function(t){t.addEventListener(e,_(at),!1)}),c.controlsPrev.forEach(function(t){t.addEventListener(e,_(ft),!1)}),c.controlsNext.forEach(function(t){t.addEventListener(e,_(lt),!1)})}}function k(){document.removeEventListener("keydown",ct,!1),document.removeEventListener("touchstart",ht,!1),document.removeEventListener("touchmove",pt,!1),document.removeEventListener("touchend",dt,!1),window.removeEventListener("hashchange",gt,!1),window.removeEventListener("resize",yt,!1),i.progress&&c.progress&&c.progress.removeEventListener("click",_(mt),!1);if(i.controls&&c.controls){var e="ontouchstart"in window?"touchstart":"click";c.controlsLeft.forEach(function(t){t.removeEventListener(e,_(st),!1)}),c.controlsRight.forEach(function(t){t.removeEventListener(e,_(ot),!1)}),c.controlsUp.forEach(function(t){t.removeEventListener(e,_(ut),!1)}),c.controlsDown.forEach(function(t){t.removeEventListener(e,_(at),!1)}),c.controlsPrev.forEach(function(t){t.removeEventListener(e,_(ft),!1)}),c.controlsNext.forEach(function(t){t.removeEventListener(e,_(lt),!1)})}}function L(e,t){for(var n in t)e[n]=t[n]}function A(e){return Array.prototype.slice.call(e)}function O(e,t,n){e.forEach(function(e){e[t].apply(e,n)})}function M(e,t){var n=e.x-t.x,r=e.y-t.y;return Math.sqrt(n*n+r*r)}function _(e){return function(t){t.preventDefault(),e.call(null,t)}}function D(){setTimeout(function(){window.scrollTo(0,1)},0)}function P(e,t){var n=document.createEvent("HTMLEvents",1,2);n.initEvent(e,!0,!0),L(n,t),c.wrapper.dispatchEvent(n)}function H(){if(h&&!("msPerspective"in document.body.style)){var t=document.querySelectorAll(e+" a:not(.image)");for(var n=0,r=t.length;n<r;n++){var i=t[n];if(i.textContent&&!i.querySelector("img")&&(!i.className||!i.classList.contains(i,"roll"))){var s=document.createElement("span");s.setAttribute("data-title",i.text),s.innerHTML=i.innerHTML,i.classList.add("roll"),i.innerHTML="",i.appendChild(s)}}}}function B(){if(i.center){var t=A(document.querySelectorAll(e)),n=-c.wrapper.offsetHeight/2;for(var r=0,s=t.length;r<s;r++){var o=t[r];if(o.style.display==="none")continue;o.classList.contains("stack")?o.style.top=0:o.style.top=Math.max(-(o.offsetHeight/2)-20,n)+"px"}}}function j(e,t){e&&e.setAttribute("data-previous-indexv",t||0)}function F(e){return e&&e.classList.contains("stack")?parseInt(e.getAttribute("data-previous-indexv")||0,10):0}function I(){i.overview&&(c.wrapper.classList.add("overview"),c.wrapper.classList.remove("exit-overview"),clearTimeout(g),clearTimeout(y),g=setTimeout(function(){var e=document.querySelectorAll(t);for(var n=0,r=e.length;n<r;n++){var i=e[n],s="translateZ(-2500px) translate("+(n-o)*105+"%, 0%)";i.setAttribute("data-index-h",n),i.style.display="block",i.style.WebkitTransform=s,i.style.MozTransform=s,i.style.msTransform=s,i.style.OTransform=s,i.style.transform=s;if(i.classList.contains("stack")){var a=i.querySelectorAll("section");for(var f=0,l=a.length;f<l;f++){var c=n===o?u:F(i),h=a[f],p="translate(0%, 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projects / reveal.js.git / commitdiff