clean up trailing whitespace (closes #197)

This commit is contained in:
Hakim El Hattab 2012-10-20 21:05:14 -04:00
parent c6f8a44edf
commit 8bdeb360ce
3 changed files with 115 additions and 115 deletions

View File

@ -2,17 +2,17 @@
* reveal.js 2.1 r35
* http://lab.hakim.se/reveal-js
* MIT licensed
*
*
* Copyright (C) 2011-2012 Hakim El Hattab, http://hakim.se
*/
var Reveal = (function(){
'use strict';
var HORIZONTAL_SLIDES_SELECTOR = '.reveal .slides>section',
VERTICAL_SLIDES_SELECTOR = '.reveal .slides>section.present>section',
// Configurations defaults, can be overridden at initialization time
// Configurations defaults, can be overridden at initialization time
config = {
// Display controls in the bottom right corner
controls: true,
@ -32,7 +32,7 @@ var Reveal = (function(){
// Loop the presentation
loop: false,
// Number of milliseconds between automatically proceeding to the
// Number of milliseconds between automatically proceeding to the
// next slide, disabled when set to 0, this value can be overwritten
// by using a data-autoslide attribute on your slides
autoSlide: 0,
@ -44,7 +44,7 @@ var Reveal = (function(){
rollingLinks: true,
// Transition style (see /css/theme)
theme: null,
theme: null,
// Transition style
transition: 'default', // default/cube/page/concave/zoom/linear/none
@ -65,8 +65,8 @@ var Reveal = (function(){
previousSlide,
currentSlide,
// Slides may hold a data-state attribute which we pick up and apply
// as a class to the body. This list contains the combined state of
// Slides may hold a data-state attribute which we pick up and apply
// as a class to the body. This list contains the combined state of
// all current slides.
state = [],
@ -79,13 +79,13 @@ var Reveal = (function(){
'msPerspective' in document.body.style ||
'OPerspective' in document.body.style ||
'perspective' in document.body.style,
supports2DTransforms = '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,
// Throttles mouse wheel navigation
mouseWheelTimeout = 0,
@ -104,7 +104,7 @@ var Reveal = (function(){
handled: false,
threshold: 80
};
/**
* Starts up the presentation if the client is capable.
*/
@ -112,7 +112,7 @@ var Reveal = (function(){
if( ( !supports2DTransforms && !supports3DTransforms ) ) {
document.body.setAttribute( 'class', 'no-transforms' );
// If the browser doesn't support core features we won't be
// If the browser doesn't support core features we won't be
// using JavaScript to control the presentation
return;
}
@ -125,12 +125,12 @@ var Reveal = (function(){
// 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
* 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() {
@ -200,10 +200,10 @@ var Reveal = (function(){
}
/**
* Loads the dependencies of reveal.js. Dependencies are
* defined via the configuration option 'dependencies'
* and will be loaded prior to starting/binding reveal.js.
* Some dependencies may have an 'async' flag, if so they
* Loads the dependencies of reveal.js. Dependencies are
* defined via the configuration option 'dependencies'
* and will be loaded prior to starting/binding reveal.js.
* Some dependencies may have an 'async' flag, if so they
* will load after reveal.js has been started up.
*/
function load() {
@ -233,7 +233,7 @@ var Reveal = (function(){
function proceed() {
// Load asynchronous scripts
head.js.apply( null, scriptsAsync );
start();
}
@ -249,13 +249,13 @@ var Reveal = (function(){
}
/**
* Starts up reveal.js by binding input events and navigating
* Starts up reveal.js by binding input events and navigating
* to the current URL deeplink if there is one.
*/
function start() {
// Make sure we've got all the DOM elements we need
setupDOM();
// Subscribe to input
addEventListeners();
@ -340,7 +340,7 @@ var Reveal = (function(){
dom.controlsLeft.addEventListener( 'click', preventAndForward( navigateLeft ), false );
dom.controlsRight.addEventListener( 'click', preventAndForward( navigateRight ), false );
dom.controlsUp.addEventListener( 'click', preventAndForward( navigateUp ), false );
dom.controlsDown.addEventListener( 'click', preventAndForward( navigateDown ), false );
dom.controlsDown.addEventListener( 'click', preventAndForward( navigateDown ), false );
}
}
@ -357,7 +357,7 @@ var Reveal = (function(){
if ( config.progress && dom.progress ) {
dom.progress.removeEventListener( 'click', preventAndForward( onProgressClick ), false );
}
if ( config.controls && dom.controls ) {
dom.controlsLeft.removeEventListener( 'click', preventAndForward( navigateLeft ), false );
dom.controlsRight.removeEventListener( 'click', preventAndForward( navigateRight ), false );
@ -367,7 +367,7 @@ var Reveal = (function(){
}
/**
* Extend object a with the properties of object b.
* Extend object a with the properties of object b.
* If there's a conflict, object b takes precedence.
*/
function extend( a, b ) {
@ -378,8 +378,8 @@ var Reveal = (function(){
/**
* Measures the distance in pixels between point a
* and point b.
*
* and point b.
*
* @param {Object} a point with x/y properties
* @param {Object} b point with x/y properties
*/
@ -391,10 +391,10 @@ var Reveal = (function(){
}
/**
* Prevents an events defaults behavior calls the
* Prevents an events defaults behavior calls the
* specified delegate.
*
* @param {Function} delegate The method to call
*
* @param {Function} delegate The method to call
* after the wrapper has been executed
*/
function preventAndForward( delegate ) {
@ -405,7 +405,7 @@ var Reveal = (function(){
}
/**
* Causes the address bar to hide on mobile devices,
* Causes the address bar to hide on mobile devices,
* more vertical space ftw.
*/
function removeAddressBar() {
@ -415,7 +415,7 @@ var Reveal = (function(){
}
/**
* Dispatches an event of the specified type from the
* Dispatches an event of the specified type from the
* reveal DOM element.
*/
function dispatchEvent( type, properties ) {
@ -434,7 +434,7 @@ var Reveal = (function(){
for( var i = 0, len = nodes.length; i < len; i++ ) {
var node = nodes[i];
if( node.textContent && !node.querySelector( 'img' ) && ( !node.className || !node.classList.contains( node, 'roll' ) ) ) {
node.classList.add( 'roll' );
node.innerHTML = '<span data-title="'+ node.text +'">' + node.innerHTML + '</span>';
@ -444,17 +444,17 @@ var Reveal = (function(){
}
/**
* Displays the overview of slides (quick nav) by
* Displays the overview of slides (quick nav) by
* scaling down and arranging all slide elements.
*
* Experimental feature, might be dropped if perf
*
* Experimental feature, might be dropped if perf
* can't be improved.
*/
function activateOverview() {
// Only proceed if enabled in config
if( config.overview ) {
dom.wrapper.classList.add( 'overview' );
var horizontalSlides = document.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR );
@ -462,7 +462,7 @@ var Reveal = (function(){
for( var i = 0, len1 = horizontalSlides.length; i < len1; i++ ) {
var hslide = horizontalSlides[i],
htransform = 'translateZ(-2500px) translate(' + ( ( i - indexh ) * 105 ) + '%, 0%)';
hslide.setAttribute( 'data-index-h', i );
hslide.style.display = 'block';
hslide.style.WebkitTransform = htransform;
@ -470,12 +470,12 @@ var Reveal = (function(){
hslide.style.msTransform = htransform;
hslide.style.OTransform = htransform;
hslide.style.transform = htransform;
if( !hslide.classList.contains( 'stack' ) ) {
// Navigate to this slide on click
hslide.addEventListener( 'click', onOverviewSlideClicked, true );
}
var verticalSlides = hslide.querySelectorAll( 'section' );
for( var j = 0, len2 = verticalSlides.length; j < len2; j++ ) {
@ -494,19 +494,19 @@ var Reveal = (function(){
// Navigate to this slide on click
vslide.addEventListener( 'click', onOverviewSlideClicked, true );
}
}
}
}
/**
* Exits the slide overview and enters the currently
* active slide.
*/
function deactivateOverview() {
// Only proceed if enabled in config
if( config.overview ) {
@ -529,15 +529,15 @@ var Reveal = (function(){
}
slide();
}
}
/**
* 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
* @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 ) {
@ -551,7 +551,7 @@ var Reveal = (function(){
/**
* Checks if the overview is currently active.
*
*
* @return {Boolean} true if the overview is active,
* false otherwise
*/
@ -561,26 +561,26 @@ var Reveal = (function(){
/**
* Handling the fullscreen functionality via the fullscreen API
*
* @see http://fullscreen.spec.whatwg.org/
* @see https://developer.mozilla.org/en-US/docs/DOM/Using_fullscreen_mode
*
* @see http://fullscreen.spec.whatwg.org/
* @see https://developer.mozilla.org/en-US/docs/DOM/Using_fullscreen_mode
*/
function enterFullscreen() {
var element = document.body;
// Check which implementation is available
var requestMethod = element.requestFullScreen ||
element.webkitRequestFullScreen ||
element.mozRequestFullScreen ||
element.msRequestFullScreen;
if( requestMethod ) {
requestMethod.apply( element );
}
}
/**
* Enters the paused mode which fades everything on screen to
* Enters the paused mode which fades everything on screen to
* black.
*/
function pause() {
@ -612,11 +612,11 @@ var Reveal = (function(){
function isPaused() {
return dom.wrapper.classList.contains( 'paused' );
}
/**
* Steps from the current point in the presentation to the
* slide which matches the specified horizontal and vertical
* indices.
* Steps from the current point in the presentation to the
* slide which matches the specified horizontal and vertical
* indices.
*
* @param {int} h Horizontal index of the target slide
* @param {int} v Vertical index of the target slide
@ -640,7 +640,7 @@ var Reveal = (function(){
// 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
// 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] ) {
@ -671,7 +671,7 @@ var Reveal = (function(){
}
updateControls();
// Update the URL hash after a delay since updating it mid-transition
// is likely to cause visual lag
clearTimeout( writeURLTimeout );
@ -691,7 +691,7 @@ var Reveal = (function(){
// Dispatch an event if the slide changed
if( indexh !== indexhBefore || indexv !== indexvBefore ) {
dispatchEvent( 'slidechanged', {
'indexh': indexh,
'indexh': indexh,
'indexv': indexv,
'previousSlide': previousSlide,
'currentSlide': currentSlide
@ -702,8 +702,8 @@ var Reveal = (function(){
previousSlide = null;
}
// Solves an edge case where the previous slide maintains the
// 'present' class when navigating between adjacent vertical
// Solves an edge case where the previous slide maintains the
// 'present' class when navigating between adjacent vertical
// stacks
if( previousSlide ) {
previousSlide.classList.remove( 'present' );
@ -713,14 +713,14 @@ var Reveal = (function(){
/**
* Updates one dimension of slides by showing the slide
* with the specified index.
*
*
* @param {String} selector A CSS selector that will fetch
* the group of slides we are working with
* @param {Number} index The index of the slide that should be
* shown
*
*
* @return {Number} The index of the slide that is now shown,
* might differ from the passed in index if it was out of
* might differ from the passed in index if it was out of
* bounds.
*/
function updateSlides( selector, index ) {
@ -728,7 +728,7 @@ var Reveal = (function(){
// an array
var slides = Array.prototype.slice.call( document.querySelectorAll( selector ) ),
slidesLength = slides.length;
if( slidesLength ) {
// Should the index loop?
@ -739,14 +739,14 @@ var Reveal = (function(){
index = slidesLength + index;
}
}
// Enforce max and minimum index bounds
index = Math.max( Math.min( index, slidesLength - 1 ), 0 );
for( var i = 0; i < slidesLength; i++ ) {
var element = slides[i];
// Optimization; hide all slides that are three or more steps
// Optimization; hide all slides that are three or more steps
// away from the present slide
if( isOverviewActive() === false ) {
// The distance loops so that it measures 1 between the first
@ -785,7 +785,7 @@ var Reveal = (function(){
state = state.concat( slideState.split( ' ' ) );
}
// If this slide has a data-autoslide attribtue associated use this as
// If this slide has a data-autoslide attribtue associated use this as
// autoSlide value otherwise use the global configured time
var slideAutoSlide = slides[index].getAttribute( 'data-autoslide' );
if( slideAutoSlide ) {
@ -796,13 +796,13 @@ var Reveal = (function(){
}
else {
// Since there are no slides we can't be anywhere beyond the
// Since there are no slides we can't be anywhere beyond the
// zeroth index
index = 0;
}
return index;
}
/**
@ -810,7 +810,7 @@ var Reveal = (function(){
*/
function updateControls() {
if ( config.controls && dom.controls ) {
var routes = availableRoutes();
// Remove the 'enabled' class from all directions
@ -829,7 +829,7 @@ var Reveal = (function(){
/**
* Determine what available routes there are for navigation.
*
*
* @return {Object} containing four booleans: left/right/up/down
*/
function availableRoutes() {
@ -843,7 +843,7 @@ var Reveal = (function(){
down: indexv < verticalSlides.length - 1
};
}
/**
* Reads the current URL (hash) and navigates accordingly.
*/
@ -854,7 +854,7 @@ var Reveal = (function(){
var bits = hash.slice( 2 ).split( '/' ),
name = hash.replace( /#|\//gi, '' );
// If the first bit is invalid and there is a name we can
// If the first bit is invalid and there is a name we can
// assume that this is a named link
if( isNaN( parseInt( bits[0], 10 ) ) && name.length ) {
// Find the slide with the specified name
@ -878,32 +878,32 @@ var Reveal = (function(){
slide( h, v );
}
}
/**
* Updates the page URL (hash) to reflect the current
* state.
* state.
*/
function writeURL() {
if( config.history ) {
var url = '/';
// Only include the minimum possible number of components in
// the URL
if( indexh > 0 || indexv > 0 ) url += indexh;
if( indexv > 0 ) url += '/' + indexv;
window.location.hash = url;
}
}
/**
* Retrieves the h/v location of the current, or specified,
* Retrieves the h/v location of the current, or specified,
* slide.
*
* @param {HTMLElement} slide If specified, the returned
* index will be for this slide rather than the currently
*
* @param {HTMLElement} slide If specified, the returned
* index will be for this slide rather than the currently
* active one
*
*
* @return {Object} { h: <int>, v: <int> }
*/
function getIndices( slide ) {
@ -933,7 +933,7 @@ var Reveal = (function(){
/**
* Navigate to the next slide fragment.
*
*
* @return {Boolean} true if there was a next fragment,
* false otherwise
*/
@ -966,7 +966,7 @@ var Reveal = (function(){
/**
* Navigate to the previous slide fragment.
*
*
* @return {Boolean} true if there was a previous fragment,
* false otherwise
*/
@ -993,7 +993,7 @@ var Reveal = (function(){
return true;
}
}
return false;
}
@ -1008,7 +1008,7 @@ var Reveal = (function(){
autoSlideTimeout = setTimeout( navigateNext, autoSlide );
}
}
function navigateLeft() {
// Prioritize hiding fragments
if( isOverviewActive() || previousFragment() === false ) {
@ -1071,7 +1071,7 @@ var Reveal = (function(){
availableRoutes().down ? navigateDown() : navigateRight();
}
// If auto-sliding is enabled we need to cue up
// If auto-sliding is enabled we need to cue up
// another timeout
cueAutoSlide();
}
@ -1084,11 +1084,11 @@ var Reveal = (function(){
/**
* Handler for the document level 'keydown' event.
*
*
* @param {Object} event
*/
function onDocumentKeyDown( event ) {
// Disregard the event if the target is editable or a
// Disregard the event if the target is editable or a
// modifier is present
if ( document.querySelector( ':focus' ) !== null || event.shiftKey || event.altKey || event.ctrlKey || event.metaKey ) return;
@ -1096,7 +1096,7 @@ var Reveal = (function(){
switch( event.keyCode ) {
// p, page up
case 80: case 33: navigatePrev(); break;
case 80: case 33: navigatePrev(); break;
// n, page down
case 78: case 34: navigateNext(); break;
// h, left
@ -1123,18 +1123,18 @@ var Reveal = (function(){
triggered = false;
}
// If the input resulted in a triggered action we should prevent
// If the input resulted in a triggered action we should prevent
// the browsers default behavior
if( triggered ) {
event.preventDefault();
}
else if ( event.keyCode === 27 && supports3DTransforms ) {
toggleOverview();
event.preventDefault();
}
// If auto-sliding is enabled we need to cue up
// If auto-sliding is enabled we need to cue up
// another timeout
cueAutoSlide();
@ -1149,7 +1149,7 @@ var Reveal = (function(){
touch.startY = event.touches[0].clientY;
touch.startCount = event.touches.length;
// If there's two touches we need to memorize the distance
// 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( {
@ -1161,7 +1161,7 @@ var Reveal = (function(){
} );
}
}
/**
* Handler for the document level 'touchmove' event.
*/
@ -1171,7 +1171,7 @@ var Reveal = (function(){
var currentX = event.touches[0].clientX;
var currentY = event.touches[0].clientY;
// If the touch started off with two points and still has
// If the touch started off with two points and still has
// two active touches; test for the pinch gesture
if( event.touches.length === 2 && touch.startCount === 2 && config.overview ) {
@ -1184,7 +1184,7 @@ var Reveal = (function(){
y: touch.startY
} );
// If the span is larger than the desire amount we've got
// If the span is larger than the desire amount we've got
// ourselves a pinch
if( Math.abs( touch.startSpan - currentSpan ) > touch.threshold ) {
touch.handled = true;
@ -1209,15 +1209,15 @@ var Reveal = (function(){
if( deltaX > touch.threshold && Math.abs( deltaX ) > Math.abs( deltaY ) ) {
touch.handled = true;
navigateLeft();
}
}
else if( deltaX < -touch.threshold && Math.abs( deltaX ) > Math.abs( deltaY ) ) {
touch.handled = true;
navigateRight();
}
}
else if( deltaY > touch.threshold ) {
touch.handled = true;
navigateUp();
}
}
else if( deltaY < -touch.threshold ) {
touch.handled = true;
navigateDown();
@ -1227,7 +1227,7 @@ var Reveal = (function(){
}
}
// There's a bug with swiping on some Android devices unless
// There's a bug with swiping on some Android devices unless
// the default action is always prevented
else if( navigator.userAgent.match( /android/gi ) ) {
event.preventDefault();
@ -1242,7 +1242,7 @@ var Reveal = (function(){
}
/**
* Handles mouse wheel scrolling, throttled to avoid skipping
* Handles mouse wheel scrolling, throttled to avoid skipping
* multiple slides.
*/
function onDocumentMouseScroll( event ){
@ -1260,7 +1260,7 @@ var Reveal = (function(){
}
/**
* Clicking on the progress bar results in a navigation to the
* Clicking on the progress bar results in a navigation to the
* closest approximate horizontal slide using this equation:
*
* ( clickX / presentationWidth ) * numberOfSlides
@ -1271,10 +1271,10 @@ var Reveal = (function(){
slide( slideIndex );
}
/**
* Handler for the window level 'hashchange' event.
*
*
* @param {Object} event
*/
function onWindowHashChange( event ) {
@ -1285,7 +1285,7 @@ var Reveal = (function(){
* 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
// TODO There's a bug here where the event listeners are not
// removed after deactivating the overview.
if( isOverviewActive() ) {
event.preventDefault();
@ -1299,7 +1299,7 @@ var Reveal = (function(){
}
}
// --------------------------------------------------------------------//
// ------------------------------- API --------------------------------//
// --------------------------------------------------------------------//
@ -1307,7 +1307,7 @@ var Reveal = (function(){
return {
initialize: initialize,
// Navigation methods
slide: slide,
left: navigateLeft,
@ -1369,5 +1369,5 @@ var Reveal = (function(){
}
}
};
})();

2
js/reveal.min.js vendored

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@ -39,7 +39,7 @@ var RevealNotes = (function() {
notesPopup.postMessage( JSON.stringify( slideData ), '*' );
}
// The main presentation is kept in sync when navigating the
// The main presentation is kept in sync when navigating the
// note slides so that the popup may be used as a remote
window.addEventListener( 'message', function( event ) {
var data = JSON.parse( event.data );
@ -60,7 +60,7 @@ var RevealNotes = (function() {
// Open the notes when the 's' key is hit
document.addEventListener( 'keydown', function( event ) {
// Disregard the event if the target is editable or a
// Disregard the event if the target is editable or a
// modifier is present
if ( document.querySelector( ':focus' ) !== null || event.shiftKey || event.altKey || event.ctrlKey || event.metaKey ) return;