Merge branch 'dev' into dev_importBundledPlugins

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dist/reveal.min.js vendored

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import { extend, toArray, createStyleSheet } from '../utils/util.js'
/**
* Automatically animates matching elements across
* slides with the [data-auto-animate] attribute.
*/
export default class AutoAnimate {
constructor( Reveal ) {
this.Reveal = Reveal;
// Counter used to generate unique IDs for auto-animated elements
this.autoAnimateCounter = 0;
}
/**
* Runs an auto-animation between the given slides.
*
* @param {HTMLElement} fromSlide
* @param {HTMLElement} toSlide
*/
run( fromSlide, toSlide ) {
// Clean up after prior animations
this.reset();
// Ensure that both slides are auto-animate targets
if( fromSlide.hasAttribute( 'data-auto-animate' ) && toSlide.hasAttribute( 'data-auto-animate' ) ) {
// Create a new auto-animate sheet
this.autoAnimateStyleSheet = this.autoAnimateStyleSheet || createStyleSheet();
let animationOptions = this.getAutoAnimateOptions( toSlide );
// Set our starting state
fromSlide.dataset.autoAnimate = 'pending';
toSlide.dataset.autoAnimate = 'pending';
// Inject our auto-animate styles for this transition
let css = this.getAutoAnimatableElements( fromSlide, toSlide ).map( elements => {
return this.getAutoAnimateCSS( elements.from, elements.to, elements.options || {}, animationOptions, this.autoAnimateCounter++ );
} );
// Animate unmatched elements, if enabled
if( toSlide.dataset.autoAnimateUnmatched !== 'false' && this.Reveal.getConfig().autoAnimateUnmatched === true ) {
this.getUnmatchedAutoAnimateElements( toSlide ).forEach( unmatchedElement => {
unmatchedElement.dataset.autoAnimateTarget = 'unmatched';
} );
css.push( `[data-auto-animate="running"] [data-auto-animate-target="unmatched"] { transition: opacity ${animationOptions.duration*0.8}s ease ${animationOptions.duration*0.2}s; }` );
}
// Setting the whole chunk of CSS at once is the most
// efficient way to do this. Using sheet.insertRule
// is multiple factors slower.
this.autoAnimateStyleSheet.innerHTML = css.join( '' );
// Start the animation next cycle
requestAnimationFrame( () => {
if( this.autoAnimateStyleSheet ) {
// This forces our newly injected styles to be applied in Firefox
getComputedStyle( this.autoAnimateStyleSheet ).fontWeight;
toSlide.dataset.autoAnimate = 'running';
}
} );
this.Reveal.dispatchEvent( 'autoanimate', { fromSlide: fromSlide, toSlide: toSlide, sheet: this.autoAnimateStyleSheet } );
}
}
/**
* Rolls back all changes that we've made to the DOM so
* that as part of animating.
*/
reset() {
// Reset slides
toArray( this.Reveal.getRevealElement().querySelectorAll( '[data-auto-animate]:not([data-auto-animate=""])' ) ).forEach( element => {
element.dataset.autoAnimate = '';
} );
// Reset elements
toArray( this.Reveal.getRevealElement().querySelectorAll( '[data-auto-animate-target]' ) ).forEach( element => {
delete element.dataset.autoAnimateTarget;
} );
// Remove the animation sheet
if( this.autoAnimateStyleSheet && this.autoAnimateStyleSheet.parentNode ) {
this.autoAnimateStyleSheet.parentNode.removeChild( this.autoAnimateStyleSheet );
this.autoAnimateStyleSheet = null;
}
}
/**
* Auto-animates the properties of an element from their original
* values to their new state.
*
* @param {HTMLElement} from
* @param {HTMLElement} to
* @param {Object} elementOptions Options for this element pair
* @param {Object} animationOptions Options set at the slide level
* @param {String} id Unique ID that we can use to identify this
* auto-animate element in the DOM
*/
getAutoAnimateCSS( from, to, elementOptions, animationOptions, id ) {
// 'from' elements are given a data-auto-animate-target with no value,
// 'to' elements are are given a data-auto-animate-target with an ID
from.dataset.autoAnimateTarget = '';
to.dataset.autoAnimateTarget = id;
// Each element may override any of the auto-animate options
// like transition easing, duration and delay via data-attributes
let options = this.getAutoAnimateOptions( to, animationOptions );
// If we're using a custom element matcher the element options
// may contain additional transition overrides
if( typeof elementOptions.delay !== 'undefined' ) options.delay = elementOptions.delay;
if( typeof elementOptions.duration !== 'undefined' ) options.duration = elementOptions.duration;
if( typeof elementOptions.easing !== 'undefined' ) options.easing = elementOptions.easing;
let fromProps = this.getAutoAnimatableProperties( 'from', from, elementOptions ),
toProps = this.getAutoAnimatableProperties( 'to', to, elementOptions );
// If translation and/or scaling are enabled, css transform
// the 'to' element so that it matches the position and size
// of the 'from' element
if( elementOptions.translate !== false || elementOptions.scale !== false ) {
let presentationScale = this.Reveal.getScale();
let delta = {
x: ( fromProps.x - toProps.x ) / presentationScale,
y: ( fromProps.y - toProps.y ) / presentationScale,
scaleX: fromProps.width / toProps.width,
scaleY: fromProps.height / toProps.height
};
// Limit decimal points to avoid 0.0001px blur and stutter
delta.x = Math.round( delta.x * 1000 ) / 1000;
delta.y = Math.round( delta.y * 1000 ) / 1000;
delta.scaleX = Math.round( delta.scaleX * 1000 ) / 1000;
delta.scaleX = Math.round( delta.scaleX * 1000 ) / 1000;
let translate = elementOptions.translate !== false && ( delta.x !== 0 || delta.y !== 0 ),
scale = elementOptions.scale !== false && ( delta.scaleX !== 0 || delta.scaleY !== 0 );
// No need to transform if nothing's changed
if( translate || scale ) {
let transform = [];
if( translate ) transform.push( `translate(${delta.x}px, ${delta.y}px)` );
if( scale ) transform.push( `scale(${delta.scaleX}, ${delta.scaleY})` );
fromProps.styles['transform'] = transform.join( ' ' );
fromProps.styles['transform-origin'] = 'top left';
toProps.styles['transform'] = 'none';
}
}
// Delete all unchanged 'to' styles
for( let propertyName in toProps.styles ) {
const toValue = toProps.styles[propertyName];
const fromValue = fromProps.styles[propertyName];
if( toValue === fromValue ) {
delete toProps.styles[propertyName];
}
else {
// If these property values were set via a custom matcher providing
// an explicit 'from' and/or 'to' value, we always inject those values.
if( toValue.explicitValue === true ) {
toProps.styles[propertyName] = toValue.value;
}
if( fromValue.explicitValue === true ) {
fromProps.styles[propertyName] = fromValue.value;
}
}
}
let css = '';
let toStyleProperties = Object.keys( toProps.styles );
// Only create animate this element IF at least one style
// property has changed
if( toStyleProperties.length > 0 ) {
// Instantly move to the 'from' state
fromProps.styles['transition'] = 'none';
// Animate towards the 'to' state
toProps.styles['transition'] = `all ${options.duration}s ${options.easing} ${options.delay}s`;
toProps.styles['transition-property'] = toStyleProperties.join( ', ' );
toProps.styles['will-change'] = toStyleProperties.join( ', ' );
// Build up our custom CSS. We need to override inline styles
// so we need to make our styles vErY IMPORTANT!1!!
let fromCSS = Object.keys( fromProps.styles ).map( propertyName => {
return propertyName + ': ' + fromProps.styles[propertyName] + ' !important;';
} ).join( '' );
let toCSS = Object.keys( toProps.styles ).map( propertyName => {
return propertyName + ': ' + toProps.styles[propertyName] + ' !important;';
} ).join( '' );
css = '[data-auto-animate-target="'+ id +'"] {'+ fromCSS +'}' +
'[data-auto-animate="running"] [data-auto-animate-target="'+ id +'"] {'+ toCSS +'}';
}
return css;
}
/**
* Returns the auto-animate options for the given element.
*
* @param {HTMLElement} element Element to pick up options
* from, either a slide or an animation target
* @param {Object} [inheritedOptions] Optional set of existing
* options
*/
getAutoAnimateOptions( element, inheritedOptions ) {
let options = {
easing: this.Reveal.getConfig().autoAnimateEasing,
duration: this.Reveal.getConfig().autoAnimateDuration,
delay: 0
};
options = extend( options, inheritedOptions );
// Inherit options from parent elements
if( element.closest && element.parentNode ) {
let autoAnimatedParent = element.parentNode.closest( '[data-auto-animate-target]' );
if( autoAnimatedParent ) {
options = this.getAutoAnimateOptions( autoAnimatedParent, options );
}
}
if( element.dataset.autoAnimateEasing ) {
options.easing = element.dataset.autoAnimateEasing;
}
if( element.dataset.autoAnimateDuration ) {
options.duration = parseFloat( element.dataset.autoAnimateDuration );
}
if( element.dataset.autoAnimateDelay ) {
options.delay = parseFloat( element.dataset.autoAnimateDelay );
}
return options;
}
/**
* Returns an object containing all of the properties
* that can be auto-animated for the given element and
* their current computed values.
*
* @param {String} direction 'from' or 'to'
*/
getAutoAnimatableProperties( direction, element, elementOptions ) {
let properties = { styles: [] };
// Position and size
if( elementOptions.translate !== false || elementOptions.scale !== false ) {
let bounds;
// Custom auto-animate may optionally return a custom tailored
// measurement function
if( typeof elementOptions.measure === 'function' ) {
bounds = elementOptions.measure( element );
}
else {
bounds = element.getBoundingClientRect();
}
properties.x = bounds.x;
properties.y = bounds.y;
properties.width = bounds.width;
properties.height = bounds.height;
}
const computedStyles = getComputedStyle( element );
// CSS styles
( elementOptions.styles || this.Reveal.getConfig().autoAnimateStyles ).forEach( style => {
let value;
// `style` is either the property name directly, or an object
// definition of a style property
if( typeof style === 'string' ) style = { property: style };
if( typeof style.from !== 'undefined' && direction === 'from' ) {
value = { value: style.from, explicitValue: true };
}
else if( typeof style.to !== 'undefined' && direction === 'to' ) {
value = { value: style.to, explicitValue: true };
}
else {
value = computedStyles[style.property];
}
if( value !== '' ) {
properties.styles[style.property] = value;
}
} );
return properties;
}
/**
* Get a list of all element pairs that we can animate
* between the given slides.
*
* @param {HTMLElement} fromSlide
* @param {HTMLElement} toSlide
*
* @return {Array} Each value is an array where [0] is
* the element we're animating from and [1] is the
* element we're animating to
*/
getAutoAnimatableElements( fromSlide, toSlide ) {
let matcher = typeof this.Reveal.getConfig().autoAnimateMatcher === 'function' ? this.Reveal.getConfig().autoAnimateMatcher : this.getAutoAnimatePairs;
let pairs = matcher.call( this, fromSlide, toSlide );
let reserved = [];
// Remove duplicate pairs
return pairs.filter( ( pair, index ) => {
if( reserved.indexOf( pair.to ) === -1 ) {
reserved.push( pair.to );
return true;
}
} );
}
/**
* Identifies matching elements between slides.
*
* You can specify a custom matcher function by using
* the `autoAnimateMatcher` config option.
*/
getAutoAnimatePairs( fromSlide, toSlide ) {
let pairs = [];
const codeNodes = 'pre';
const textNodes = 'h1, h2, h3, h4, h5, h6, p, li';
const mediaNodes = 'img, video, iframe';
// Eplicit matches via data-id
this.findAutoAnimateMatches( pairs, fromSlide, toSlide, '[data-id]', node => {
return node.nodeName + ':::' + node.getAttribute( 'data-id' );
} );
// Text
this.findAutoAnimateMatches( pairs, fromSlide, toSlide, textNodes, node => {
return node.nodeName + ':::' + node.innerText;
} );
// Media
this.findAutoAnimateMatches( pairs, fromSlide, toSlide, mediaNodes, node => {
return node.nodeName + ':::' + ( node.getAttribute( 'src' ) || node.getAttribute( 'data-src' ) );
} );
// Code
this.findAutoAnimateMatches( pairs, fromSlide, toSlide, codeNodes, node => {
return node.nodeName + ':::' + node.innerText;
} );
pairs.forEach( pair => {
// Disable scale transformations on text nodes, we transiition
// each individual text property instead
if( pair.from.matches( textNodes ) ) {
pair.options = { scale: false };
}
// Animate individual lines of code
else if( pair.from.matches( codeNodes ) ) {
// Transition the code block's width and height instead of scaling
// to prevent its content from being squished
pair.options = { scale: false, styles: [ 'width', 'height' ] };
// Lines of code
this.findAutoAnimateMatches( pairs, pair.from, pair.to, '.hljs .hljs-ln-code', node => {
return node.textContent;
}, {
scale: false,
styles: [],
measure: this.getLocalBoundingBox.bind( this )
} );
// Line numbers
this.findAutoAnimateMatches( pairs, pair.from, pair.to, '.hljs .hljs-ln-line[data-line-number]', node => {
return node.getAttribute( 'data-line-number' );
}, {
scale: false,
styles: [ 'width' ],
measure: this.getLocalBoundingBox.bind( this )
} );
}
}, this );
return pairs;
}
/**
* Helper method which returns a bounding box based on
* the given elements offset coordinates.
*
* @param {HTMLElement} element
* @return {Object} x, y, width, height
*/
getLocalBoundingBox( element ) {
const presentationScale = this.Reveal.getScale();
return {
x: Math.round( ( element.offsetLeft * presentationScale ) * 100 ) / 100,
y: Math.round( ( element.offsetTop * presentationScale ) * 100 ) / 100,
width: Math.round( ( element.offsetWidth * presentationScale ) * 100 ) / 100,
height: Math.round( ( element.offsetHeight * presentationScale ) * 100 ) / 100
};
}
/**
* Finds matching elements between two slides.
*
* @param {Array} pairs List of pairs to push matches to
* @param {HTMLElement} fromScope Scope within the from element exists
* @param {HTMLElement} toScope Scope within the to element exists
* @param {String} selector CSS selector of the element to match
* @param {Function} serializer A function that accepts an element and returns
* a stringified ID based on its contents
* @param {Object} animationOptions Optional config options for this pair
*/
findAutoAnimateMatches( pairs, fromScope, toScope, selector, serializer, animationOptions ) {
let fromMatches = {};
let toMatches = {};
[].slice.call( fromScope.querySelectorAll( selector ) ).forEach( ( element, i ) => {
const key = serializer( element );
if( typeof key === 'string' && key.length ) {
fromMatches[key] = fromMatches[key] || [];
fromMatches[key].push( element );
}
} );
[].slice.call( toScope.querySelectorAll( selector ) ).forEach( ( element, i ) => {
const key = serializer( element );
toMatches[key] = toMatches[key] || [];
toMatches[key].push( element );
let fromElement;
// Retrieve the 'from' element
if( fromMatches[key] ) {
const pimaryIndex = toMatches[key].length - 1;
const secondaryIndex = fromMatches[key].length - 1;
// If there are multiple identical from elements, retrieve
// the one at the same index as our to-element.
if( fromMatches[key][ pimaryIndex ] ) {
fromElement = fromMatches[key][ pimaryIndex ];
fromMatches[key][ pimaryIndex ] = null;
}
// If there are no matching from-elements at the same index,
// use the last one.
else if( fromMatches[key][ secondaryIndex ] ) {
fromElement = fromMatches[key][ secondaryIndex ];
fromMatches[key][ secondaryIndex ] = null;
}
}
// If we've got a matching pair, push it to the list of pairs
if( fromElement ) {
pairs.push({
from: fromElement,
to: element,
options: animationOptions
});
}
} );
}
/**
* Returns a all elements within the given scope that should
* be considered unmatched in an auto-animate transition. If
* fading of unmatched elements is turned on, these elements
* will fade when going between auto-animate slides.
*
* Note that parents of auto-animate targets are NOT considerd
* unmatched since fading them would break the auto-animation.
*
* @param {HTMLElement} rootElement
* @return {Array}
*/
getUnmatchedAutoAnimateElements( rootElement ) {
return [].slice.call( rootElement.children ).reduce( ( result, element ) => {
const containsAnimatedElements = element.querySelector( '[data-auto-animate-target]' );
// The element is unmatched if
// - It is not an auto-animate target
// - It does not contain any auto-animate targets
if( !element.hasAttribute( 'data-auto-animate-target' ) && !containsAnimatedElements ) {
result.push( element );
}
if( element.querySelector( '[data-auto-animate-target]' ) ) {
result = result.concat( this.getUnmatchedAutoAnimateElements( element ) );
}
return result;
}, [] );
}
}

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import { extend, toArray } from '../utils/util.js'
/**
* Handles sorting and navigation of slide fragments.
* Fragments are elements within a slide that are
* revealed/animated incrementally.
*/
export default class Fragments {
constructor( Reveal ) {
this.Reveal = Reveal;
}
/**
* Shows all fragments in the presentation. Used when
* fragments are disabled presentation-wide.
*/
showAll() {
toArray( this.Reveal.getSlidesElement().querySelectorAll( '.fragment' ) ).forEach( element => {
element.classList.add( 'visible' );
element.classList.remove( 'current-fragment' );
} );
}
/**
* Returns an object describing the available fragment
* directions.
*
* @return {{prev: boolean, next: boolean}}
*/
availableRoutes() {
let currentSlide = this.Reveal.getCurrentSlide();
if( currentSlide && this.Reveal.getConfig().fragments ) {
let fragments = currentSlide.querySelectorAll( '.fragment' );
let hiddenFragments = currentSlide.querySelectorAll( '.fragment:not(.visible)' );
return {
prev: fragments.length - hiddenFragments.length > 0,
next: !!hiddenFragments.length
};
}
else {
return { prev: false, next: false };
}
}
/**
* Return a sorted fragments list, ordered by an increasing
* "data-fragment-index" attribute.
*
* Fragments will be revealed in the order that they are returned by
* this function, so you can use the index attributes to control the
* order of fragment appearance.
*
* To maintain a sensible default fragment order, fragments are presumed
* to be passed in document order. This function adds a "fragment-index"
* attribute to each node if such an attribute is not already present,
* and sets that attribute to an integer value which is the position of
* the fragment within the fragments list.
*
* @param {object[]|*} fragments
* @param {boolean} grouped If true the returned array will contain
* nested arrays for all fragments with the same index
* @return {object[]} sorted Sorted array of fragments
*/
sort( fragments, grouped = false ) {
fragments = toArray( fragments );
let ordered = [],
unordered = [],
sorted = [];
// Group ordered and unordered elements
fragments.forEach( fragment => {
if( fragment.hasAttribute( 'data-fragment-index' ) ) {
let index = parseInt( fragment.getAttribute( 'data-fragment-index' ), 10 );
if( !ordered[index] ) {
ordered[index] = [];
}
ordered[index].push( fragment );
}
else {
unordered.push( [ fragment ] );
}
} );
// Append fragments without explicit indices in their
// DOM order
ordered = ordered.concat( unordered );
// Manually count the index up per group to ensure there
// are no gaps
let index = 0;
// Push all fragments in their sorted order to an array,
// this flattens the groups
ordered.forEach( group => {
group.forEach( fragment => {
sorted.push( fragment );
fragment.setAttribute( 'data-fragment-index', index );
} );
index ++;
} );
return grouped === true ? ordered : sorted;
}
/**
* Sorts and formats all of fragments in the
* presentation.
*/
sortAll() {
this.Reveal.getHorizontalSlides().forEach( horizontalSlide => {
let verticalSlides = toArray( horizontalSlide.querySelectorAll( 'section' ) );
verticalSlides.forEach( ( verticalSlide, y ) => {
this.sort( verticalSlide.querySelectorAll( '.fragment' ) );
}, this );
if( verticalSlides.length === 0 ) this.sort( horizontalSlide.querySelectorAll( '.fragment' ) );
} );
}
/**
* 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}}
*/
update( index, fragments ) {
let changedFragments = {
shown: [],
hidden: []
};
let currentSlide = this.Reveal.getCurrentSlide();
if( currentSlide && this.Reveal.getConfig().fragments ) {
fragments = fragments || this.sort( currentSlide.querySelectorAll( '.fragment' ) );
if( fragments.length ) {
let maxIndex = 0;
if( typeof index !== 'number' ) {
let currentFragment = this.sort( currentSlide.querySelectorAll( '.fragment.visible' ) ).pop();
if( currentFragment ) {
index = parseInt( currentFragment.getAttribute( 'data-fragment-index' ) || 0, 10 );
}
}
toArray( fragments ).forEach( ( el, i ) => {
if( el.hasAttribute( 'data-fragment-index' ) ) {
i = parseInt( el.getAttribute( 'data-fragment-index' ), 10 );
}
maxIndex = Math.max( maxIndex, i );
// 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
this.Reveal.announceStatus( this.Reveal.getStatusText( el ) );
if( i === index ) {
el.classList.add( 'current-fragment' );
this.Reveal.slideContent.startEmbeddedContent( el );
}
}
// Hidden fragments
else {
if( el.classList.contains( 'visible' ) ) changedFragments.hidden.push( el );
el.classList.remove( 'visible' );
el.classList.remove( 'current-fragment' );
}
} );
// Write the current fragment index to the slide <section>.
// This can be used by end users to apply styles based on
// the current fragment index.
index = typeof index === 'number' ? index : -1;
index = Math.max( Math.min( index, maxIndex ), -1 );
currentSlide.setAttribute( 'data-fragment', index );
}
}
return changedFragments;
}
/**
* Navigate to the specified slide fragment.
*
* @param {?number} index The index of the fragment that
* should be shown, -1 means all are invisible
* @param {number} offset Integer offset to apply to the
* fragment index
*
* @return {boolean} true if a change was made in any
* fragments visibility as part of this call
*/
goto( index, offset = 0 ) {
let currentSlide = this.Reveal.getCurrentSlide();
if( currentSlide && this.Reveal.getConfig().fragments ) {
let fragments = this.sort( currentSlide.querySelectorAll( '.fragment' ) );
if( fragments.length ) {
// If no index is specified, find the current
if( typeof index !== 'number' ) {
let lastVisibleFragment = this.sort( currentSlide.querySelectorAll( '.fragment.visible' ) ).pop();
if( lastVisibleFragment ) {
index = parseInt( lastVisibleFragment.getAttribute( 'data-fragment-index' ) || 0, 10 );
}
else {
index = -1;
}
}
// Apply the offset if there is one
index += offset;
let changedFragments = this.update( index, fragments );
if( changedFragments.hidden.length ) {
this.Reveal.dispatchEvent( 'fragmenthidden', { fragment: changedFragments.hidden[0], fragments: changedFragments.hidden } );
}
if( changedFragments.shown.length ) {
this.Reveal.dispatchEvent( 'fragmentshown', { fragment: changedFragments.shown[0], fragments: changedFragments.shown } );
}
this.Reveal.updateControls();
this.Reveal.updateProgress();
if( this.Reveal.getConfig().fragmentInURL ) {
this.Reveal.writeURL();
}
return !!( changedFragments.shown.length || changedFragments.hidden.length );
}
}
return false;
}
/**
* Navigate to the next slide fragment.
*
* @return {boolean} true if there was a next fragment,
* false otherwise
*/
next() {
return this.goto( null, 1 );
}
/**
* Navigate to the previous slide fragment.
*
* @return {boolean} true if there was a previous fragment,
* false otherwise
*/
prev() {
return this.goto( null, -1 );
}
}

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import { SLIDES_SELECTOR } from '../utils/constants.js'
import { extend, toArray, transformElement } from '../utils/util.js'
/**
* Handles all logic related to the overview mode
* (birds-eye view of all slides).
*/
export default class Overview {
constructor( Reveal ) {
this.Reveal = Reveal;
this.active = false;
this.onSlideClicked = this.onSlideClicked.bind( this );
}
/**
* Displays the overview of slides (quick nav) by scaling
* down and arranging all slide elements.
*/
activate() {
// Only proceed if enabled in config
if( this.Reveal.getConfig().overview && !this.isActive() ) {
this.active = true;
this.Reveal.getRevealElement().classList.add( 'overview' );
// Don't auto-slide while in overview mode
this.Reveal.cancelAutoSlide();
// Move the backgrounds element into the slide container to
// that the same scaling is applied
this.Reveal.getSlidesElement().appendChild( this.Reveal.getBackgroundsElement() );
// Clicking on an overview slide navigates to it
toArray( this.Reveal.getRevealElement().querySelectorAll( SLIDES_SELECTOR ) ).forEach( slide => {
if( !slide.classList.contains( 'stack' ) ) {
slide.addEventListener( 'click', this.onSlideClicked, true );
}
} );
// Calculate slide sizes
const margin = 70;
const slideSize = this.Reveal.getComputedSlideSize();
this.overviewSlideWidth = slideSize.width + margin;
this.overviewSlideHeight = slideSize.height + margin;
// Reverse in RTL mode
if( this.Reveal.getConfig().rtl ) {
this.overviewSlideWidth = -this.overviewSlideWidth;
}
this.Reveal.updateSlidesVisibility();
this.layout();
this.update();
this.Reveal.layout();
const indices = this.Reveal.getIndices();
// Notify observers of the overview showing
this.Reveal.dispatchEvent( 'overviewshown', {
'indexh': indices.h,
'indexv': indices.v,
'currentSlide': this.Reveal.getCurrentSlide()
} );
}
}
/**
* Uses CSS transforms to position all slides in a grid for
* display inside of the overview mode.
*/
layout() {
// Layout slides
this.Reveal.getHorizontalSlides().forEach( ( hslide, h ) => {
hslide.setAttribute( 'data-index-h', h );
transformElement( hslide, 'translate3d(' + ( h * this.overviewSlideWidth ) + 'px, 0, 0)' );
if( hslide.classList.contains( 'stack' ) ) {
toArray( hslide.querySelectorAll( 'section' ) ).forEach( ( vslide, v ) => {
vslide.setAttribute( 'data-index-h', h );
vslide.setAttribute( 'data-index-v', v );
transformElement( vslide, 'translate3d(0, ' + ( v * this.overviewSlideHeight ) + 'px, 0)' );
} );
}
} );
// Layout slide backgrounds
toArray( this.Reveal.getBackgroundsElement().childNodes ).forEach( ( hbackground, h ) => {
transformElement( hbackground, 'translate3d(' + ( h * this.overviewSlideWidth ) + 'px, 0, 0)' );
toArray( hbackground.querySelectorAll( '.slide-background' ) ).forEach( ( vbackground, v ) => {
transformElement( vbackground, 'translate3d(0, ' + ( v * this.overviewSlideHeight ) + 'px, 0)' );
} );
} );
}
/**
* Moves the overview viewport to the current slides.
* Called each time the current slide changes.
*/
update() {
const vmin = Math.min( window.innerWidth, window.innerHeight );
const scale = Math.max( vmin / 5, 150 ) / vmin;
const indices = this.Reveal.getIndices();
this.Reveal.transformSlides( {
overview: [
'scale('+ scale +')',
'translateX('+ ( -indices.h * this.overviewSlideWidth ) +'px)',
'translateY('+ ( -indices.v * this.overviewSlideHeight ) +'px)'
].join( ' ' )
} );
}
/**
* Exits the slide overview and enters the currently
* active slide.
*/
deactivate() {
// Only proceed if enabled in config
if( this.Reveal.getConfig().overview ) {
this.active = false;
this.Reveal.getRevealElement().classList.remove( 'overview' );
// Temporarily add a class so that transitions can do different things
// depending on whether they are exiting/entering overview, or just
// moving from slide to slide
this.Reveal.getRevealElement().classList.add( 'overview-deactivating' );
setTimeout( () => {
this.Reveal.getRevealElement().classList.remove( 'overview-deactivating' );
}, 1 );
// Move the background element back out
this.Reveal.getRevealElement().appendChild( this.Reveal.getBackgroundsElement() );
// Clean up changes made to slides
toArray( this.Reveal.getRevealElement().querySelectorAll( SLIDES_SELECTOR ) ).forEach( slide => {
transformElement( slide, '' );
slide.removeEventListener( 'click', this.onSlideClicked, true );
} );
// Clean up changes made to backgrounds
toArray( this.Reveal.getBackgroundsElement().querySelectorAll( '.slide-background' ) ).forEach( background => {
transformElement( background, '' );
} );
this.Reveal.transformSlides( { overview: '' } );
const indices = this.Reveal.getIndices();
this.Reveal.slide( indices.h, indices.v );
this.Reveal.layout();
this.Reveal.cueAutoSlide();
// Notify observers of the overview hiding
this.Reveal.dispatchEvent( 'overviewhidden', {
'indexh': indices.h,
'indexv': indices.v,
'currentSlide': this.Reveal.getCurrentSlide()
} );
}
}
/**
* Toggles the slide overview mode on and off.
*
* @param {Boolean} [override] Flag which overrides the
* toggle logic and forcibly sets the desired state. True means
* overview is open, false means it's closed.
*/
toggle( override ) {
if( typeof override === 'boolean' ) {
override ? this.activate() : this.deactivate();
}
else {
this.isActive() ? this.deactivate() : this.activate();
}
}
/**
* Checks if the overview is currently active.
*
* @return {Boolean} true if the overview is active,
* false otherwise
*/
isActive() {
return this.active;
}
/**
* Invoked when a slide is and we're in the overview.
*
* @param {object} event
*/
onSlideClicked( event ) {
if( this.isActive() ) {
event.preventDefault();
let element = event.target;
while( element && !element.nodeName.match( /section/gi ) ) {
element = element.parentNode;
}
if( element && !element.classList.contains( 'disabled' ) ) {
this.deactivate();
if( element.nodeName.match( /section/gi ) ) {
let h = parseInt( element.getAttribute( 'data-index-h' ), 10 ),
v = parseInt( element.getAttribute( 'data-index-v' ), 10 );
this.Reveal.slide( h, v );
}
}
}
}
}

View File

@ -7,8 +7,8 @@ export default class Plugins {
constructor() {
// Flags our current state (pending -> loading -> loaded)
this.state = 'pending';
// Flags our current state (idle -> loading -> loaded)
this.state = 'idle';
// An id:instance map of currently registed plugins
this.registeredPlugins = {};

View File

@ -0,0 +1,433 @@
import { HORIZONTAL_SLIDES_SELECTOR, VERTICAL_SLIDES_SELECTOR } from '../utils/constants.js'
import { extend, toArray, closestParent } from '../utils/util.js'
import { isMobile } from '../utils/device.js'
/**
* Handles loading, unloading and playback of slide
* content such as images, videos and iframes.
*/
export default class SlideContent {
constructor( Reveal ) {
this.Reveal = Reveal;
}
/**
* Should the given element be preloaded?
* Decides based on local element attributes and global config.
*
* @param {HTMLElement} element
*/
shouldPreload( element ) {
// Prefer an explicit global preload setting
let preload = this.Reveal.getConfig().preloadIframes;
// If no global setting is available, fall back on the element's
// own preload setting
if( typeof preload !== 'boolean' ) {
preload = element.hasAttribute( 'data-preload' );
}
return preload;
}
/**
* Called when the given slide is within the configured view
* distance. Shows the slide element and loads any content
* that is set to load lazily (data-src).
*
* @param {HTMLElement} slide Slide to show
*/
load( slide, options = {} ) {
// Show the slide element
slide.style.display = this.Reveal.getConfig().display;
// Media elements with data-src attributes
toArray( slide.querySelectorAll( 'img[data-src], video[data-src], audio[data-src], iframe[data-src]' ) ).forEach( element => {
if( element.tagName !== 'IFRAME' || this.shouldPreload( element ) ) {
element.setAttribute( 'src', element.getAttribute( 'data-src' ) );
element.setAttribute( 'data-lazy-loaded', '' );
element.removeAttribute( 'data-src' );
}
} );
// Media elements with <source> children
toArray( slide.querySelectorAll( 'video, audio' ) ).forEach( media => {
let sources = 0;
toArray( media.querySelectorAll( 'source[data-src]' ) ).forEach( source => {
source.setAttribute( 'src', source.getAttribute( 'data-src' ) );
source.removeAttribute( 'data-src' );
source.setAttribute( 'data-lazy-loaded', '' );
sources += 1;
} );
// If we rewrote sources for this video/audio element, we need
// to manually tell it to load from its new origin
if( sources > 0 ) {
media.load();
}
} );
// Show the corresponding background element
let background = slide.slideBackgroundElement;
if( background ) {
background.style.display = 'block';
let backgroundContent = slide.slideBackgroundContentElement;
let backgroundIframe = slide.getAttribute( 'data-background-iframe' );
// If the background contains media, load it
if( background.hasAttribute( 'data-loaded' ) === false ) {
background.setAttribute( 'data-loaded', 'true' );
let backgroundImage = slide.getAttribute( 'data-background-image' ),
backgroundVideo = slide.getAttribute( 'data-background-video' ),
backgroundVideoLoop = slide.hasAttribute( 'data-background-video-loop' ),
backgroundVideoMuted = slide.hasAttribute( 'data-background-video-muted' );
// Images
if( backgroundImage ) {
backgroundContent.style.backgroundImage = 'url('+ encodeURI( backgroundImage ) +')';
}
// Videos
else if ( backgroundVideo && !this.Reveal.isSpeakerNotes() ) {
let video = document.createElement( 'video' );
if( backgroundVideoLoop ) {
video.setAttribute( 'loop', '' );
}
if( backgroundVideoMuted ) {
video.muted = true;
}
// Inline video playback works (at least in Mobile Safari) as
// long as the video is muted and the `playsinline` attribute is
// present
if( isMobile ) {
video.muted = true;
video.autoplay = true;
video.setAttribute( 'playsinline', '' );
}
// Support comma separated lists of video sources
backgroundVideo.split( ',' ).forEach( source => {
video.innerHTML += '<source src="'+ source +'">';
} );
backgroundContent.appendChild( video );
}
// Iframes
else if( backgroundIframe && options.excludeIframes !== true ) {
let iframe = document.createElement( 'iframe' );
iframe.setAttribute( 'allowfullscreen', '' );
iframe.setAttribute( 'mozallowfullscreen', '' );
iframe.setAttribute( 'webkitallowfullscreen', '' );
iframe.setAttribute( 'allow', 'autoplay' );
iframe.setAttribute( 'data-src', backgroundIframe );
iframe.style.width = '100%';
iframe.style.height = '100%';
iframe.style.maxHeight = '100%';
iframe.style.maxWidth = '100%';
backgroundContent.appendChild( iframe );
}
}
// Start loading preloadable iframes
let backgroundIframeElement = backgroundContent.querySelector( 'iframe[data-src]' );
if( backgroundIframeElement ) {
// Check if this iframe is eligible to be preloaded
if( this.shouldPreload( background ) && !/autoplay=(1|true|yes)/gi.test( backgroundIframe ) ) {
if( backgroundIframeElement.getAttribute( 'src' ) !== backgroundIframe ) {
backgroundIframeElement.setAttribute( 'src', backgroundIframe );
}
}
}
}
}
/**
* Unloads and hides the given slide. This is called when the
* slide is moved outside of the configured view distance.
*
* @param {HTMLElement} slide
*/
unload( slide ) {
// Hide the slide element
slide.style.display = 'none';
// Hide the corresponding background element
let background = this.Reveal.getSlideBackground( slide );
if( background ) {
background.style.display = 'none';
// Unload any background iframes
toArray( background.querySelectorAll( 'iframe[src]' ) ).forEach( element => {
element.removeAttribute( 'src' );
} );
}
// Reset lazy-loaded media elements with src attributes
toArray( slide.querySelectorAll( 'video[data-lazy-loaded][src], audio[data-lazy-loaded][src], iframe[data-lazy-loaded][src]' ) ).forEach( element => {
element.setAttribute( 'data-src', element.getAttribute( 'src' ) );
element.removeAttribute( 'src' );
} );
// Reset lazy-loaded media elements with <source> children
toArray( slide.querySelectorAll( 'video[data-lazy-loaded] source[src], audio source[src]' ) ).forEach( source => {
source.setAttribute( 'data-src', source.getAttribute( 'src' ) );
source.removeAttribute( 'src' );
} );
}
/**
* Enforces origin-specific format rules for embedded media.
*/
formatEmbeddedContent() {
let _appendParamToIframeSource = ( sourceAttribute, sourceURL, param ) => {
toArray( this.Reveal.getSlidesElement().querySelectorAll( 'iframe['+ sourceAttribute +'*="'+ sourceURL +'"]' ) ).forEach( el => {
let src = el.getAttribute( sourceAttribute );
if( src && src.indexOf( param ) === -1 ) {
el.setAttribute( sourceAttribute, src + ( !/\?/.test( src ) ? '?' : '&' ) + param );
}
});
};
// YouTube frames must include "?enablejsapi=1"
_appendParamToIframeSource( 'src', 'youtube.com/embed/', 'enablejsapi=1' );
_appendParamToIframeSource( 'data-src', 'youtube.com/embed/', 'enablejsapi=1' );
// Vimeo frames must include "?api=1"
_appendParamToIframeSource( 'src', 'player.vimeo.com/', 'api=1' );
_appendParamToIframeSource( 'data-src', 'player.vimeo.com/', 'api=1' );
}
/**
* Start playback of any embedded content inside of
* the given element.
*
* @param {HTMLElement} element
*/
startEmbeddedContent( element ) {
if( element && !this.Reveal.isSpeakerNotes() ) {
// Restart GIFs
toArray( element.querySelectorAll( 'img[src$=".gif"]' ) ).forEach( el => {
// Setting the same unchanged source like this was confirmed
// to work in Chrome, FF & Safari
el.setAttribute( 'src', el.getAttribute( 'src' ) );
} );
// HTML5 media elements
toArray( element.querySelectorAll( 'video, audio' ) ).forEach( el => {
if( closestParent( el, '.fragment' ) && !closestParent( el, '.fragment.visible' ) ) {
return;
}
// Prefer an explicit global autoplay setting
let autoplay = this.Reveal.getConfig().autoPlayMedia;
// If no global setting is available, fall back on the element's
// own autoplay setting
if( typeof autoplay !== 'boolean' ) {
autoplay = el.hasAttribute( 'data-autoplay' ) || !!closestParent( el, '.slide-background' );
}
if( autoplay && typeof el.play === 'function' ) {
// If the media is ready, start playback
if( el.readyState > 1 ) {
this.startEmbeddedMedia( { target: el } );
}
// Mobile devices never fire a loaded event so instead
// of waiting, we initiate playback
else if( isMobile ) {
let 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( () => {
el.controls = true;
// Once the video does start playing, hide the controls again
el.addEventListener( 'play', () => {
el.controls = false;
} );
} );
}
}
// If the media isn't loaded, wait before playing
else {
el.removeEventListener( 'loadeddata', this.startEmbeddedMedia ); // remove first to avoid dupes
el.addEventListener( 'loadeddata', this.startEmbeddedMedia );
}
}
} );
// Normal iframes
toArray( element.querySelectorAll( 'iframe[src]' ) ).forEach( el => {
if( closestParent( el, '.fragment' ) && !closestParent( el, '.fragment.visible' ) ) {
return;
}
this.startEmbeddedIframe( { target: el } );
} );
// Lazy loading iframes
toArray( element.querySelectorAll( 'iframe[data-src]' ) ).forEach( el => {
if( closestParent( el, '.fragment' ) && !closestParent( el, '.fragment.visible' ) ) {
return;
}
if( el.getAttribute( 'src' ) !== el.getAttribute( 'data-src' ) ) {
el.removeEventListener( 'load', this.startEmbeddedIframe ); // remove first to avoid dupes
el.addEventListener( 'load', this.startEmbeddedIframe );
el.setAttribute( 'src', el.getAttribute( 'data-src' ) );
}
} );
}
}
/**
* Starts playing an embedded video/audio element after
* it has finished loading.
*
* @param {object} event
*/
startEmbeddedMedia( event ) {
let isAttachedToDOM = !!closestParent( event.target, 'html' ),
isVisible = !!closestParent( event.target, '.present' );
if( isAttachedToDOM && isVisible ) {
event.target.currentTime = 0;
event.target.play();
}
event.target.removeEventListener( 'loadeddata', this.startEmbeddedMedia );
}
/**
* "Starts" the content of an embedded iframe using the
* postMessage API.
*
* @param {object} event
*/
startEmbeddedIframe( event ) {
let iframe = event.target;
if( iframe && iframe.contentWindow ) {
let isAttachedToDOM = !!closestParent( event.target, 'html' ),
isVisible = !!closestParent( event.target, '.present' );
if( isAttachedToDOM && isVisible ) {
// Prefer an explicit global autoplay setting
let autoplay = this.Reveal.getConfig().autoPlayMedia;
// If no global setting is available, fall back on the element's
// own autoplay setting
if( typeof autoplay !== 'boolean' ) {
autoplay = iframe.hasAttribute( 'data-autoplay' ) || !!closestParent( iframe, '.slide-background' );
}
// YouTube postMessage API
if( /youtube\.com\/embed\//.test( iframe.getAttribute( 'src' ) ) && autoplay ) {
iframe.contentWindow.postMessage( '{"event":"command","func":"playVideo","args":""}', '*' );
}
// Vimeo postMessage API
else if( /player\.vimeo\.com\//.test( iframe.getAttribute( 'src' ) ) && autoplay ) {
iframe.contentWindow.postMessage( '{"method":"play"}', '*' );
}
// Generic postMessage API
else {
iframe.contentWindow.postMessage( 'slide:start', '*' );
}
}
}
}
/**
* Stop playback of any embedded content inside of
* the targeted slide.
*
* @param {HTMLElement} element
*/
stopEmbeddedContent( element, options = {} ) {
options = extend( {
// Defaults
unloadIframes: true
}, options );
if( element && element.parentNode ) {
// HTML5 media elements
toArray( element.querySelectorAll( 'video, audio' ) ).forEach( el => {
if( !el.hasAttribute( 'data-ignore' ) && typeof el.pause === 'function' ) {
el.setAttribute('data-paused-by-reveal', '');
el.pause();
}
} );
// Generic postMessage API for non-lazy loaded iframes
toArray( element.querySelectorAll( 'iframe' ) ).forEach( el => {
if( el.contentWindow ) el.contentWindow.postMessage( 'slide:stop', '*' );
el.removeEventListener( 'load', this.startEmbeddedIframe );
});
// YouTube postMessage API
toArray( element.querySelectorAll( 'iframe[src*="youtube.com/embed/"]' ) ).forEach( el => {
if( !el.hasAttribute( 'data-ignore' ) && el.contentWindow && typeof el.contentWindow.postMessage === 'function' ) {
el.contentWindow.postMessage( '{"event":"command","func":"pauseVideo","args":""}', '*' );
}
});
// Vimeo postMessage API
toArray( element.querySelectorAll( 'iframe[src*="player.vimeo.com/"]' ) ).forEach( el => {
if( !el.hasAttribute( 'data-ignore' ) && el.contentWindow && typeof el.contentWindow.postMessage === 'function' ) {
el.contentWindow.postMessage( '{"method":"pause"}', '*' );
}
});
if( options.unloadIframes === true ) {
// Unload lazy-loaded iframes
toArray( element.querySelectorAll( 'iframe[data-src]' ) ).forEach( el => {
// Only removing the src doesn't actually unload the frame
// in all browsers (Firefox) so we set it to blank first
el.setAttribute( 'src', 'about:blank' );
el.removeAttribute( 'src' );
} );
}
}
}
}

File diff suppressed because it is too large Load Diff

15
js/utils/device.js 100644
View File

@ -0,0 +1,15 @@
const UA = navigator.userAgent;
const testElement = document.createElement( 'div' );
export const isMobile = /(iphone|ipod|ipad|android)/gi.test( UA ) ||
( navigator.platform === 'MacIntel' && navigator.maxTouchPoints > 1 ); // iPadOS
export const isChrome = /chrome/i.test( UA ) && !/edge/i.test( UA );
export const isAndroid = /android/gi.test( UA );
// Flags if we should use zoom instead of transform to scale
// up slides. Zoom produces crisper results but has a lot of
// xbrowser quirks so we only use it in whitelsited browsers.
export const supportsZoom = 'zoom' in testElement.style && !isMobile &&
( isChrome || /Version\/[\d\.]+.*Safari/.test( UA ) );

View File

@ -140,16 +140,22 @@ export const enterFullscreen = () => {
*
* @param {string} value
*/
export const injectStyleSheet = ( value ) => {
export const createStyleSheet = ( value ) => {
let tag = document.createElement( 'style' );
tag.type = 'text/css';
if( tag.styleSheet ) {
tag.styleSheet.cssText = value;
if( value && value.length > 0 ) {
if( tag.styleSheet ) {
tag.styleSheet.cssText = value;
}
else {
tag.appendChild( document.createTextNode( value ) );
}
}
else {
tag.appendChild( document.createTextNode( value ) );
}
document.getElementsByTagName( 'head' )[0].appendChild( tag );
document.head.appendChild( tag );
return tag;
}

View File

@ -18,17 +18,6 @@
<div class="slides">
<section data-markdown>
```php
public function foo()
{
$foo = array(
'bar' => 'bar'
)
}
```
</section>
<!-- Use external markdown resource, separate slides by three newlines; vertical slides by two newlines -->
<section data-markdown="example.md" data-separator="^\n\n\n" data-separator-vertical="^\n\n"></section>

View File

@ -78,7 +78,619 @@
</div>
<script src="../dist/reveal.min.js"></script>
<script src="test.js"></script>
<script>
// These tests expect the DOM to contain a presentation
// with the following slide structure:
//
// 1
// 2 - Three sub-slides
// 3 - Three fragment elements
// 3 - Two fragments with same data-fragment-index
// 4
Reveal.initialize().then( function() {
// ---------------------------------------------------------------
// DOM TESTS
QUnit.module( 'DOM' );
QUnit.test( 'Initial slides classes', function( assert ) {
var horizontalSlides = document.querySelectorAll( '.reveal .slides>section' )
assert.strictEqual( document.querySelectorAll( '.reveal .slides section.past' ).length, 0, 'no .past slides' );
assert.strictEqual( document.querySelectorAll( '.reveal .slides section.present' ).length, 1, 'one .present slide' );
assert.strictEqual( document.querySelectorAll( '.reveal .slides>section.future' ).length, horizontalSlides.length - 1, 'remaining horizontal slides are .future' );
assert.strictEqual( document.querySelectorAll( '.reveal .slides section.stack' ).length, 2, 'two .stacks' );
assert.ok( document.querySelectorAll( '.reveal .slides section.stack' )[0].querySelectorAll( '.future' ).length > 0, 'vertical slides are given .future' );
});
// ---------------------------------------------------------------
// API TESTS
QUnit.module( 'API' );
QUnit.test( 'Reveal.isReady', function( assert ) {
assert.strictEqual( Reveal.isReady(), true, 'returns true' );
});
QUnit.test( 'Reveal.isOverview', function( assert ) {
assert.strictEqual( Reveal.isOverview(), false, 'false by default' );
Reveal.toggleOverview();
assert.strictEqual( Reveal.isOverview(), true, 'true after toggling on' );
Reveal.toggleOverview();
assert.strictEqual( Reveal.isOverview(), false, 'false after toggling off' );
});
QUnit.test( 'Reveal.isPaused', function( assert ) {
assert.strictEqual( Reveal.isPaused(), false, 'false by default' );
Reveal.togglePause();
assert.strictEqual( Reveal.isPaused(), true, 'true after pausing' );
Reveal.togglePause();
assert.strictEqual( Reveal.isPaused(), false, 'false after resuming' );
});
QUnit.test( 'Reveal.isFirstSlide', function( assert ) {
Reveal.slide( 0, 0 );
assert.strictEqual( Reveal.isFirstSlide(), true, 'true after Reveal.slide( 0, 0 )' );
Reveal.slide( 1, 0 );
assert.strictEqual( Reveal.isFirstSlide(), false, 'false after Reveal.slide( 1, 0 )' );
Reveal.slide( 0, 0 );
assert.strictEqual( Reveal.isFirstSlide(), true, 'true after Reveal.slide( 0, 0 )' );
});
QUnit.test( 'Reveal.isFirstSlide after vertical slide', function( assert ) {
Reveal.slide( 1, 1 );
Reveal.slide( 0, 0 );
assert.strictEqual( Reveal.isFirstSlide(), true, 'true after Reveal.slide( 1, 1 ) and then Reveal.slide( 0, 0 )' );
});
QUnit.test( 'Reveal.isLastSlide', function( assert ) {
Reveal.slide( 0, 0 );
assert.strictEqual( Reveal.isLastSlide(), false, 'false after Reveal.slide( 0, 0 )' );
var lastSlideIndex = document.querySelectorAll( '.reveal .slides>section' ).length - 1;
Reveal.slide( lastSlideIndex, 0 );
assert.strictEqual( Reveal.isLastSlide(), true, 'true after Reveal.slide( '+ lastSlideIndex +', 0 )' );
Reveal.slide( 0, 0 );
assert.strictEqual( Reveal.isLastSlide(), false, 'false after Reveal.slide( 0, 0 )' );
});
QUnit.test( 'Reveal.isLastSlide after vertical slide', function( assert ) {
var lastSlideIndex = document.querySelectorAll( '.reveal .slides>section' ).length - 1;
Reveal.slide( 1, 1 );
Reveal.slide( lastSlideIndex );
assert.strictEqual( Reveal.isLastSlide(), true, 'true after Reveal.slide( 1, 1 ) and then Reveal.slide( '+ lastSlideIndex +', 0 )' );
});
QUnit.test( 'Reveal.getTotalSlides', function( assert ) {
assert.strictEqual( Reveal.getTotalSlides(), 8, 'eight slides in total' );
});
QUnit.test( 'Reveal.getIndices', function( assert ) {
var indices = Reveal.getIndices();
assert.ok( indices.hasOwnProperty( 'h' ), 'h exists' );
assert.ok( indices.hasOwnProperty( 'v' ), 'v exists' );
assert.ok( indices.hasOwnProperty( 'f' ), 'f exists' );
Reveal.slide( 1, 0 );
assert.strictEqual( Reveal.getIndices().h, 1, 'h 1' );
assert.strictEqual( Reveal.getIndices().v, 0, 'v 0' );
Reveal.slide( 1, 2 );
assert.strictEqual( Reveal.getIndices().h, 1, 'h 1' );
assert.strictEqual( Reveal.getIndices().v, 2, 'v 2' );
Reveal.slide( 0, 0 );
assert.strictEqual( Reveal.getIndices().h, 0, 'h 0' );
assert.strictEqual( Reveal.getIndices().v, 0, 'v 0' );
});
QUnit.test( 'Reveal.getSlide', function( assert ) {
assert.equal( Reveal.getSlide( 0 ), document.querySelector( '.reveal .slides>section:first-child' ), 'gets correct first slide' );
assert.equal( Reveal.getSlide( 1 ), document.querySelector( '.reveal .slides>section:nth-child(2)' ), 'no v index returns stack' );
assert.equal( Reveal.getSlide( 1, 0 ), document.querySelector( '.reveal .slides>section:nth-child(2)>section:nth-child(1)' ), 'v index 0 returns first vertical child' );
assert.equal( Reveal.getSlide( 1, 1 ), document.querySelector( '.reveal .slides>section:nth-child(2)>section:nth-child(2)' ), 'v index 1 returns second vertical child' );
assert.strictEqual( Reveal.getSlide( 100 ), undefined, 'undefined when out of horizontal bounds' );
assert.strictEqual( Reveal.getSlide( 1, 100 ), undefined, 'undefined when out of vertical bounds' );
});
QUnit.test( 'Reveal.getSlideBackground', function( assert ) {
assert.equal( Reveal.getSlideBackground( 0 ), document.querySelector( '.reveal .backgrounds>.slide-background:first-child' ), 'gets correct first background' );
assert.equal( Reveal.getSlideBackground( 1 ), document.querySelector( '.reveal .backgrounds>.slide-background:nth-child(2)' ), 'no v index returns stack' );
assert.equal( Reveal.getSlideBackground( 1, 0 ), document.querySelector( '.reveal .backgrounds>.slide-background:nth-child(2) .slide-background:nth-child(2)' ), 'v index 0 returns first vertical child' );
assert.equal( Reveal.getSlideBackground( 1, 1 ), document.querySelector( '.reveal .backgrounds>.slide-background:nth-child(2) .slide-background:nth-child(3)' ), 'v index 1 returns second vertical child' );
assert.strictEqual( Reveal.getSlideBackground( 100 ), undefined, 'undefined when out of horizontal bounds' );
assert.strictEqual( Reveal.getSlideBackground( 1, 100 ), undefined, 'undefined when out of vertical bounds' );
});
QUnit.test( 'Reveal.getSlideNotes', function( assert ) {
Reveal.slide( 0, 0 );
assert.ok( Reveal.getSlideNotes() === 'speaker notes 1', 'works with <aside class="notes">' );
Reveal.slide( 1, 0 );
assert.ok( Reveal.getSlideNotes() === 'speaker notes 2', 'works with <section data-notes="">' );
});
QUnit.test( 'Reveal.getPreviousSlide/getCurrentSlide', function( assert ) {
Reveal.slide( 0, 0 );
Reveal.slide( 1, 0 );
var firstSlide = document.querySelector( '.reveal .slides>section:first-child' );
var secondSlide = document.querySelector( '.reveal .slides>section:nth-child(2)>section' );
assert.equal( Reveal.getPreviousSlide(), firstSlide, 'previous is slide #0' );
assert.equal( Reveal.getCurrentSlide(), secondSlide, 'current is slide #1' );
});
QUnit.test( 'Reveal.getProgress', function( assert ) {
Reveal.slide( 0, 0 );
assert.strictEqual( Reveal.getProgress(), 0, 'progress is 0 on first slide' );
var lastSlideIndex = document.querySelectorAll( '.reveal .slides>section' ).length - 1;
Reveal.slide( lastSlideIndex, 0 );
assert.strictEqual( Reveal.getProgress(), 1, 'progress is 1 on last slide' );
});
QUnit.test( 'Reveal.getScale', function( assert ) {
assert.ok( typeof Reveal.getScale() === 'number', 'has scale' );
});
QUnit.test( 'Reveal.getConfig', function( assert ) {
assert.ok( typeof Reveal.getConfig() === 'object', 'has config' );
});
QUnit.test( 'Reveal.configure', function( assert ) {
assert.strictEqual( Reveal.getConfig().loop, false, '"loop" is false to start with' );
Reveal.configure({ loop: true });
assert.strictEqual( Reveal.getConfig().loop, true, '"loop" has changed to true' );
Reveal.configure({ loop: false, customTestValue: 1 });
assert.strictEqual( Reveal.getConfig().customTestValue, 1, 'supports custom values' );
});
QUnit.test( 'Reveal.availableRoutes', function( assert ) {
Reveal.slide( 0, 0 );
assert.deepEqual( Reveal.availableRoutes(), { left: false, up: false, down: false, right: true }, 'correct for first slide' );
Reveal.slide( 1, 0 );
assert.deepEqual( Reveal.availableRoutes(), { left: true, up: false, down: true, right: true }, 'correct for vertical slide' );
});
QUnit.test( 'Reveal.next', function( assert ) {
Reveal.slide( 0, 0 );
// Step through vertical child slides
Reveal.next();
assert.deepEqual( Reveal.getIndices(), { h: 1, v: 0, f: undefined } );
Reveal.next();
assert.deepEqual( Reveal.getIndices(), { h: 1, v: 1, f: undefined } );
Reveal.next();
assert.deepEqual( Reveal.getIndices(), { h: 1, v: 2, f: undefined } );
// Step through fragments
Reveal.next();
assert.deepEqual( Reveal.getIndices(), { h: 2, v: 0, f: -1 } );
Reveal.next();
assert.deepEqual( Reveal.getIndices(), { h: 2, v: 0, f: 0 } );
Reveal.next();
assert.deepEqual( Reveal.getIndices(), { h: 2, v: 0, f: 1 } );
Reveal.next();
assert.deepEqual( Reveal.getIndices(), { h: 2, v: 0, f: 2 } );
});
QUnit.test( 'Reveal.next at end', function( assert ) {
Reveal.slide( 3 );
// We're at the end, this should have no effect
Reveal.next();
assert.deepEqual( Reveal.getIndices(), { h: 3, v: 0, f: undefined } );
Reveal.next();
assert.deepEqual( Reveal.getIndices(), { h: 3, v: 0, f: undefined } );
});
// ---------------------------------------------------------------
// FRAGMENT TESTS
QUnit.module( 'Fragments' );
QUnit.test( 'Sliding to fragments', function( assert ) {
Reveal.slide( 2, 0, -1 );
assert.deepEqual( Reveal.getIndices(), { h: 2, v: 0, f: -1 }, 'Reveal.slide( 2, 0, -1 )' );
Reveal.slide( 2, 0, 0 );
assert.deepEqual( Reveal.getIndices(), { h: 2, v: 0, f: 0 }, 'Reveal.slide( 2, 0, 0 )' );
Reveal.slide( 2, 0, 2 );
assert.deepEqual( Reveal.getIndices(), { h: 2, v: 0, f: 2 }, 'Reveal.slide( 2, 0, 2 )' );
Reveal.slide( 2, 0, 1 );
assert.deepEqual( Reveal.getIndices(), { h: 2, v: 0, f: 1 }, 'Reveal.slide( 2, 0, 1 )' );
});
QUnit.test( 'data-fragment is set on slide <section>', function( assert ) {
Reveal.slide( 2, 0, -1 );
assert.deepEqual( Reveal.getCurrentSlide().getAttribute( 'data-fragment' ), '-1' );
Reveal.slide( 2, 0, 2 );
assert.deepEqual( Reveal.getCurrentSlide().getAttribute( 'data-fragment' ), '2' );
Reveal.slide( 2, 0, 0 );
assert.deepEqual( Reveal.getCurrentSlide().getAttribute( 'data-fragment' ), '0' );
var fragmentSlide = Reveal.getCurrentSlide();
Reveal.slide( 3, 0 );
assert.deepEqual( fragmentSlide.getAttribute( 'data-fragment' ), '0', 'data-fragment persists when jumping to another slide' );
});
QUnit.test( 'Hiding all fragments', function( assert ) {
var fragmentSlide = document.querySelector( '#fragment-slides>section:nth-child(1)' );
Reveal.slide( 2, 0, 0 );
assert.strictEqual( fragmentSlide.querySelectorAll( '.fragment.visible' ).length, 1, 'one fragment visible when index is 0' );
Reveal.slide( 2, 0, -1 );
assert.strictEqual( fragmentSlide.querySelectorAll( '.fragment.visible' ).length, 0, 'no fragments visible when index is -1' );
});
QUnit.test( 'Current fragment', function( assert ) {
var fragmentSlide = document.querySelector( '#fragment-slides>section:nth-child(1)' );
var lastFragmentIndex = [].slice.call( fragmentSlide.querySelectorAll( '.fragment' ) ).pop().getAttribute( 'data-fragment-index' );
Reveal.slide( 2, 0 );
assert.strictEqual( fragmentSlide.querySelectorAll( '.fragment.current-fragment' ).length, 0, 'no current fragment at index -1' );
Reveal.slide( 2, 0, 0 );
assert.strictEqual( fragmentSlide.querySelectorAll( '.fragment.current-fragment' ).length, 1, 'one current fragment at index 0' );
Reveal.slide( 1, 0, 0 );
assert.strictEqual( fragmentSlide.querySelectorAll( '.fragment.current-fragment' ).length, 0, 'no current fragment when navigating to previous slide' );
Reveal.slide( 3, 0, 0 );
assert.strictEqual( fragmentSlide.querySelectorAll( '.fragment.current-fragment' ).length, 0, 'no current fragment when navigating to next slide' );
Reveal.slide( 2, 1, -1 );
Reveal.prev();
assert.strictEqual( fragmentSlide.querySelector( '.fragment.current-fragment' ).getAttribute( 'data-fragment-index' ), lastFragmentIndex, 'last fragment is current fragment when returning from future slide' );
});
QUnit.test( 'Stepping through fragments', function( assert ) {
Reveal.slide( 2, 0, -1 );
// forwards:
Reveal.next();
assert.deepEqual( Reveal.getIndices(), { h: 2, v: 0, f: 0 }, 'next() goes to next fragment' );
Reveal.right();
assert.deepEqual( Reveal.getIndices(), { h: 2, v: 0, f: 1 }, 'right() goes to next fragment' );
Reveal.down();
assert.deepEqual( Reveal.getIndices(), { h: 2, v: 0, f: 2 }, 'down() goes to next fragment' );
Reveal.down(); // moves to f #3
// backwards:
Reveal.prev();
assert.deepEqual( Reveal.getIndices(), { h: 2, v: 0, f: 2 }, 'prev() goes to prev fragment' );
Reveal.left();
assert.deepEqual( Reveal.getIndices(), { h: 2, v: 0, f: 1 }, 'left() goes to prev fragment' );
Reveal.up();
assert.deepEqual( Reveal.getIndices(), { h: 2, v: 0, f: 0 }, 'up() goes to prev fragment' );
});
QUnit.test( 'Stepping past fragments', function( assert ) {
var fragmentSlide = document.querySelector( '#fragment-slides>section:nth-child(1)' );
Reveal.slide( 0, 0, 0 );
assert.equal( fragmentSlide.querySelectorAll( '.fragment.visible' ).length, 0, 'no fragments visible when on previous slide' );
Reveal.slide( 3, 0, 0 );
assert.equal( fragmentSlide.querySelectorAll( '.fragment.visible' ).length, 3, 'all fragments visible when on future slide' );
});
QUnit.test( 'Fragment indices', function( assert ) {
var fragmentSlide = document.querySelector( '#fragment-slides>section:nth-child(2)' );
Reveal.slide( 3, 0, 0 );
assert.equal( fragmentSlide.querySelectorAll( '.fragment.visible' ).length, 2, 'both fragments of same index are shown' );
// This slide has three fragments, first one is index 0, second and third have index 1
Reveal.slide( 2, 2, 0 );
assert.equal( Reveal.getIndices().f, 0, 'returns correct index for first fragment' );
Reveal.slide( 2, 2, 1 );
assert.equal( Reveal.getIndices().f, 1, 'returns correct index for two fragments with same index' );
});
QUnit.test( 'Index generation', function( assert ) {
var fragmentSlide = document.querySelector( '#fragment-slides>section:nth-child(1)' );
// These have no indices defined to start with
assert.equal( fragmentSlide.querySelectorAll( '.fragment' )[0].getAttribute( 'data-fragment-index' ), '0' );
assert.equal( fragmentSlide.querySelectorAll( '.fragment' )[1].getAttribute( 'data-fragment-index' ), '1' );
assert.equal( fragmentSlide.querySelectorAll( '.fragment' )[2].getAttribute( 'data-fragment-index' ), '2' );
});
QUnit.test( 'Index normalization', function( assert ) {
var fragmentSlide = document.querySelector( '#fragment-slides>section:nth-child(3)' );
// These start out as 1-4-4 and should normalize to 0-1-1
assert.equal( fragmentSlide.querySelectorAll( '.fragment' )[0].getAttribute( 'data-fragment-index' ), '0' );
assert.equal( fragmentSlide.querySelectorAll( '.fragment' )[1].getAttribute( 'data-fragment-index' ), '1' );
assert.equal( fragmentSlide.querySelectorAll( '.fragment' )[2].getAttribute( 'data-fragment-index' ), '1' );
});
QUnit.test( 'fragmentshown event', function( assert ) {
assert.expect( 2 );
var done = assert.async( 2 );
var _onEvent = function( event ) {
assert.ok( true, 'event fired' );
done();
}
Reveal.addEventListener( 'fragmentshown', _onEvent );
Reveal.slide( 2, 0 );
Reveal.slide( 2, 0 ); // should do nothing
Reveal.slide( 2, 0, 0 ); // should do nothing
Reveal.next();
Reveal.next();
Reveal.prev(); // shouldn't fire fragmentshown
Reveal.removeEventListener( 'fragmentshown', _onEvent );
});
QUnit.test( 'fragmenthidden event', function( assert ) {
assert.expect( 2 );
var done = assert.async( 2 );
var _onEvent = function( event ) {
assert.ok( true, 'event fired' );
done();
}
Reveal.addEventListener( 'fragmenthidden', _onEvent );
Reveal.slide( 2, 0, 2 );
Reveal.slide( 2, 0, 2 ); // should do nothing
Reveal.prev();
Reveal.prev();
Reveal.next(); // shouldn't fire fragmenthidden
Reveal.removeEventListener( 'fragmenthidden', _onEvent );
});
// ---------------------------------------------------------------
// AUTO-SLIDE TESTS
QUnit.module( 'Auto Sliding' );
QUnit.test( 'Reveal.isAutoSliding', function( assert ) {
assert.strictEqual( Reveal.isAutoSliding(), false, 'false by default' );
Reveal.configure({ autoSlide: 10000 });
assert.strictEqual( Reveal.isAutoSliding(), true, 'true after starting' );
Reveal.configure({ autoSlide: 0 });
assert.strictEqual( Reveal.isAutoSliding(), false, 'false after setting to 0' );
});
QUnit.test( 'Reveal.toggleAutoSlide', function( assert ) {
Reveal.configure({ autoSlide: 10000 });
Reveal.toggleAutoSlide();
assert.strictEqual( Reveal.isAutoSliding(), false, 'false after first toggle' );
Reveal.toggleAutoSlide();
assert.strictEqual( Reveal.isAutoSliding(), true, 'true after second toggle' );
Reveal.configure({ autoSlide: 0 });
});
QUnit.test( 'autoslidepaused', function( assert ) {
assert.expect( 1 );
var done = assert.async();
var _onEvent = function( event ) {
assert.ok( true, 'event fired' );
done();
}
Reveal.addEventListener( 'autoslidepaused', _onEvent );
Reveal.configure({ autoSlide: 10000 });
Reveal.toggleAutoSlide();
// cleanup
Reveal.configure({ autoSlide: 0 });
Reveal.removeEventListener( 'autoslidepaused', _onEvent );
});
QUnit.test( 'autoslideresumed', function( assert ) {
assert.expect( 1 );
var done = assert.async();
var _onEvent = function( event ) {
assert.ok( true, 'event fired' );
done();
}
Reveal.addEventListener( 'autoslideresumed', _onEvent );
Reveal.configure({ autoSlide: 10000 });
Reveal.toggleAutoSlide();
Reveal.toggleAutoSlide();
// cleanup
Reveal.configure({ autoSlide: 0 });
Reveal.removeEventListener( 'autoslideresumed', _onEvent );
});
// ---------------------------------------------------------------
// CONFIGURATION VALUES
QUnit.module( 'Configuration' );
QUnit.test( 'Controls', function( assert ) {
var controlsElement = document.querySelector( '.reveal>.controls' );
Reveal.configure({ controls: false });
assert.equal( controlsElement.style.display, 'none', 'controls are hidden' );
Reveal.configure({ controls: true });
assert.equal( controlsElement.style.display, 'block', 'controls are visible' );
});
QUnit.test( 'Progress', function( assert ) {
var progressElement = document.querySelector( '.reveal>.progress' );
Reveal.configure({ progress: false });
assert.equal( progressElement.style.display, 'none', 'progress are hidden' );
Reveal.configure({ progress: true });
assert.equal( progressElement.style.display, 'block', 'progress are visible' );
});
QUnit.test( 'Loop', function( assert ) {
Reveal.configure({ loop: true });
Reveal.slide( 0, 0 );
Reveal.left();
assert.notEqual( Reveal.getIndices().h, 0, 'looped from start to end' );
Reveal.right();
assert.equal( Reveal.getIndices().h, 0, 'looped from end to start' );
Reveal.configure({ loop: false });
});
// ---------------------------------------------------------------
// LAZY-LOADING TESTS
QUnit.module( 'Lazy-Loading' );
QUnit.test( 'img with data-src', function( assert ) {
assert.strictEqual( document.querySelectorAll( '.reveal section img[src]' ).length, 1, 'Image source has been set' );
});
QUnit.test( 'video with data-src', function( assert ) {
assert.strictEqual( document.querySelectorAll( '.reveal section video[src]' ).length, 1, 'Video source has been set' );
});
QUnit.test( 'audio with data-src', function( assert ) {
assert.strictEqual( document.querySelectorAll( '.reveal section audio[src]' ).length, 1, 'Audio source has been set' );
});
QUnit.test( 'iframe with data-src', function( assert ) {
Reveal.slide( 0, 0 );
assert.strictEqual( document.querySelectorAll( '.reveal section iframe[src]' ).length, 0, 'Iframe source is not set' );
Reveal.slide( 2, 1 );
assert.strictEqual( document.querySelectorAll( '.reveal section iframe[src]' ).length, 1, 'Iframe source is set' );
Reveal.slide( 2, 2 );
assert.strictEqual( document.querySelectorAll( '.reveal section iframe[src]' ).length, 0, 'Iframe source is not set' );
});
QUnit.test( 'background images', function( assert ) {
var imageSource1 = Reveal.getSlide( 0 ).getAttribute( 'data-background-image' );
var imageSource2 = Reveal.getSlide( 1, 0 ).getAttribute( 'data-background' );
// check that the images are applied to the background elements
assert.ok( Reveal.getSlideBackground( 0 ).querySelector( '.slide-background-content' ).style.backgroundImage.indexOf( imageSource1 ) !== -1, 'data-background-image worked' );
assert.ok( Reveal.getSlideBackground( 1, 0 ).querySelector( '.slide-background-content' ).style.backgroundImage.indexOf( imageSource2 ) !== -1, 'data-background worked' );
});
// ---------------------------------------------------------------
// EVENT TESTS
QUnit.module( 'Events' );
QUnit.test( 'slidechanged', function( assert ) {
assert.expect( 3 );
var done = assert.async( 3 );
var _onEvent = function( event ) {
assert.ok( true, 'event fired' );
done();
}
Reveal.addEventListener( 'slidechanged', _onEvent );
Reveal.slide( 1, 0 ); // should trigger
Reveal.slide( 1, 0 ); // should do nothing
Reveal.next(); // should trigger
Reveal.slide( 3, 0 ); // should trigger
Reveal.next(); // should do nothing
Reveal.removeEventListener( 'slidechanged', _onEvent );
});
QUnit.test( 'paused', function( assert ) {
assert.expect( 1 );
var done = assert.async();
var _onEvent = function( event ) {
assert.ok( true, 'event fired' );
done();
}
Reveal.addEventListener( 'paused', _onEvent );
Reveal.togglePause();
Reveal.togglePause();
Reveal.removeEventListener( 'paused', _onEvent );
});
QUnit.test( 'resumed', function( assert ) {
assert.expect( 1 );
var done = assert.async();
var _onEvent = function( event ) {
assert.ok( true, 'event fired' );
done();
}
Reveal.addEventListener( 'resumed', _onEvent );
Reveal.togglePause();
Reveal.togglePause();
Reveal.removeEventListener( 'resumed', _onEvent );
});
} );
</script>
</body>
</html>

View File

@ -1,612 +0,0 @@
// These tests expect the DOM to contain a presentation
// with the following slide structure:
//
// 1
// 2 - Three sub-slides
// 3 - Three fragment elements
// 3 - Two fragments with same data-fragment-index
// 4
Reveal.initialize().then( function() {
// ---------------------------------------------------------------
// DOM TESTS
QUnit.module( 'DOM' );
QUnit.test( 'Initial slides classes', function( assert ) {
var horizontalSlides = document.querySelectorAll( '.reveal .slides>section' )
assert.strictEqual( document.querySelectorAll( '.reveal .slides section.past' ).length, 0, 'no .past slides' );
assert.strictEqual( document.querySelectorAll( '.reveal .slides section.present' ).length, 1, 'one .present slide' );
assert.strictEqual( document.querySelectorAll( '.reveal .slides>section.future' ).length, horizontalSlides.length - 1, 'remaining horizontal slides are .future' );
assert.strictEqual( document.querySelectorAll( '.reveal .slides section.stack' ).length, 2, 'two .stacks' );
assert.ok( document.querySelectorAll( '.reveal .slides section.stack' )[0].querySelectorAll( '.future' ).length > 0, 'vertical slides are given .future' );
});
// ---------------------------------------------------------------
// API TESTS
QUnit.module( 'API' );
QUnit.test( 'Reveal.isReady', function( assert ) {
assert.strictEqual( Reveal.isReady(), true, 'returns true' );
});
QUnit.test( 'Reveal.isOverview', function( assert ) {
assert.strictEqual( Reveal.isOverview(), false, 'false by default' );
Reveal.toggleOverview();
assert.strictEqual( Reveal.isOverview(), true, 'true after toggling on' );
Reveal.toggleOverview();
assert.strictEqual( Reveal.isOverview(), false, 'false after toggling off' );
});
QUnit.test( 'Reveal.isPaused', function( assert ) {
assert.strictEqual( Reveal.isPaused(), false, 'false by default' );
Reveal.togglePause();
assert.strictEqual( Reveal.isPaused(), true, 'true after pausing' );
Reveal.togglePause();
assert.strictEqual( Reveal.isPaused(), false, 'false after resuming' );
});
QUnit.test( 'Reveal.isFirstSlide', function( assert ) {
Reveal.slide( 0, 0 );
assert.strictEqual( Reveal.isFirstSlide(), true, 'true after Reveal.slide( 0, 0 )' );
Reveal.slide( 1, 0 );
assert.strictEqual( Reveal.isFirstSlide(), false, 'false after Reveal.slide( 1, 0 )' );
Reveal.slide( 0, 0 );
assert.strictEqual( Reveal.isFirstSlide(), true, 'true after Reveal.slide( 0, 0 )' );
});
QUnit.test( 'Reveal.isFirstSlide after vertical slide', function( assert ) {
Reveal.slide( 1, 1 );
Reveal.slide( 0, 0 );
assert.strictEqual( Reveal.isFirstSlide(), true, 'true after Reveal.slide( 1, 1 ) and then Reveal.slide( 0, 0 )' );
});
QUnit.test( 'Reveal.isLastSlide', function( assert ) {
Reveal.slide( 0, 0 );
assert.strictEqual( Reveal.isLastSlide(), false, 'false after Reveal.slide( 0, 0 )' );
var lastSlideIndex = document.querySelectorAll( '.reveal .slides>section' ).length - 1;
Reveal.slide( lastSlideIndex, 0 );
assert.strictEqual( Reveal.isLastSlide(), true, 'true after Reveal.slide( '+ lastSlideIndex +', 0 )' );
Reveal.slide( 0, 0 );
assert.strictEqual( Reveal.isLastSlide(), false, 'false after Reveal.slide( 0, 0 )' );
});
QUnit.test( 'Reveal.isLastSlide after vertical slide', function( assert ) {
var lastSlideIndex = document.querySelectorAll( '.reveal .slides>section' ).length - 1;
Reveal.slide( 1, 1 );
Reveal.slide( lastSlideIndex );
assert.strictEqual( Reveal.isLastSlide(), true, 'true after Reveal.slide( 1, 1 ) and then Reveal.slide( '+ lastSlideIndex +', 0 )' );
});
QUnit.test( 'Reveal.getTotalSlides', function( assert ) {
assert.strictEqual( Reveal.getTotalSlides(), 8, 'eight slides in total' );
});
QUnit.test( 'Reveal.getIndices', function( assert ) {
var indices = Reveal.getIndices();
assert.ok( indices.hasOwnProperty( 'h' ), 'h exists' );
assert.ok( indices.hasOwnProperty( 'v' ), 'v exists' );
assert.ok( indices.hasOwnProperty( 'f' ), 'f exists' );
Reveal.slide( 1, 0 );
assert.strictEqual( Reveal.getIndices().h, 1, 'h 1' );
assert.strictEqual( Reveal.getIndices().v, 0, 'v 0' );
Reveal.slide( 1, 2 );
assert.strictEqual( Reveal.getIndices().h, 1, 'h 1' );
assert.strictEqual( Reveal.getIndices().v, 2, 'v 2' );
Reveal.slide( 0, 0 );
assert.strictEqual( Reveal.getIndices().h, 0, 'h 0' );
assert.strictEqual( Reveal.getIndices().v, 0, 'v 0' );
});
QUnit.test( 'Reveal.getSlide', function( assert ) {
assert.equal( Reveal.getSlide( 0 ), document.querySelector( '.reveal .slides>section:first-child' ), 'gets correct first slide' );
assert.equal( Reveal.getSlide( 1 ), document.querySelector( '.reveal .slides>section:nth-child(2)' ), 'no v index returns stack' );
assert.equal( Reveal.getSlide( 1, 0 ), document.querySelector( '.reveal .slides>section:nth-child(2)>section:nth-child(1)' ), 'v index 0 returns first vertical child' );
assert.equal( Reveal.getSlide( 1, 1 ), document.querySelector( '.reveal .slides>section:nth-child(2)>section:nth-child(2)' ), 'v index 1 returns second vertical child' );
assert.strictEqual( Reveal.getSlide( 100 ), undefined, 'undefined when out of horizontal bounds' );
assert.strictEqual( Reveal.getSlide( 1, 100 ), undefined, 'undefined when out of vertical bounds' );
});
QUnit.test( 'Reveal.getSlideBackground', function( assert ) {
assert.equal( Reveal.getSlideBackground( 0 ), document.querySelector( '.reveal .backgrounds>.slide-background:first-child' ), 'gets correct first background' );
assert.equal( Reveal.getSlideBackground( 1 ), document.querySelector( '.reveal .backgrounds>.slide-background:nth-child(2)' ), 'no v index returns stack' );
assert.equal( Reveal.getSlideBackground( 1, 0 ), document.querySelector( '.reveal .backgrounds>.slide-background:nth-child(2) .slide-background:nth-child(2)' ), 'v index 0 returns first vertical child' );
assert.equal( Reveal.getSlideBackground( 1, 1 ), document.querySelector( '.reveal .backgrounds>.slide-background:nth-child(2) .slide-background:nth-child(3)' ), 'v index 1 returns second vertical child' );
assert.strictEqual( Reveal.getSlideBackground( 100 ), undefined, 'undefined when out of horizontal bounds' );
assert.strictEqual( Reveal.getSlideBackground( 1, 100 ), undefined, 'undefined when out of vertical bounds' );
});
QUnit.test( 'Reveal.getSlideNotes', function( assert ) {
Reveal.slide( 0, 0 );
assert.ok( Reveal.getSlideNotes() === 'speaker notes 1', 'works with <aside class="notes">' );
Reveal.slide( 1, 0 );
assert.ok( Reveal.getSlideNotes() === 'speaker notes 2', 'works with <section data-notes="">' );
});
QUnit.test( 'Reveal.getPreviousSlide/getCurrentSlide', function( assert ) {
Reveal.slide( 0, 0 );
Reveal.slide( 1, 0 );
var firstSlide = document.querySelector( '.reveal .slides>section:first-child' );
var secondSlide = document.querySelector( '.reveal .slides>section:nth-child(2)>section' );
assert.equal( Reveal.getPreviousSlide(), firstSlide, 'previous is slide #0' );
assert.equal( Reveal.getCurrentSlide(), secondSlide, 'current is slide #1' );
});
QUnit.test( 'Reveal.getProgress', function( assert ) {
Reveal.slide( 0, 0 );
assert.strictEqual( Reveal.getProgress(), 0, 'progress is 0 on first slide' );
var lastSlideIndex = document.querySelectorAll( '.reveal .slides>section' ).length - 1;
Reveal.slide( lastSlideIndex, 0 );
assert.strictEqual( Reveal.getProgress(), 1, 'progress is 1 on last slide' );
});
QUnit.test( 'Reveal.getScale', function( assert ) {
assert.ok( typeof Reveal.getScale() === 'number', 'has scale' );
});
QUnit.test( 'Reveal.getConfig', function( assert ) {
assert.ok( typeof Reveal.getConfig() === 'object', 'has config' );
});
QUnit.test( 'Reveal.configure', function( assert ) {
assert.strictEqual( Reveal.getConfig().loop, false, '"loop" is false to start with' );
Reveal.configure({ loop: true });
assert.strictEqual( Reveal.getConfig().loop, true, '"loop" has changed to true' );
Reveal.configure({ loop: false, customTestValue: 1 });
assert.strictEqual( Reveal.getConfig().customTestValue, 1, 'supports custom values' );
});
QUnit.test( 'Reveal.availableRoutes', function( assert ) {
Reveal.slide( 0, 0 );
assert.deepEqual( Reveal.availableRoutes(), { left: false, up: false, down: false, right: true }, 'correct for first slide' );
Reveal.slide( 1, 0 );
assert.deepEqual( Reveal.availableRoutes(), { left: true, up: false, down: true, right: true }, 'correct for vertical slide' );
});
QUnit.test( 'Reveal.next', function( assert ) {
Reveal.slide( 0, 0 );
// Step through vertical child slides
Reveal.next();
assert.deepEqual( Reveal.getIndices(), { h: 1, v: 0, f: undefined } );
Reveal.next();
assert.deepEqual( Reveal.getIndices(), { h: 1, v: 1, f: undefined } );
Reveal.next();
assert.deepEqual( Reveal.getIndices(), { h: 1, v: 2, f: undefined } );
// Step through fragments
Reveal.next();
assert.deepEqual( Reveal.getIndices(), { h: 2, v: 0, f: -1 } );
Reveal.next();
assert.deepEqual( Reveal.getIndices(), { h: 2, v: 0, f: 0 } );
Reveal.next();
assert.deepEqual( Reveal.getIndices(), { h: 2, v: 0, f: 1 } );
Reveal.next();
assert.deepEqual( Reveal.getIndices(), { h: 2, v: 0, f: 2 } );
});
QUnit.test( 'Reveal.next at end', function( assert ) {
Reveal.slide( 3 );
// We're at the end, this should have no effect
Reveal.next();
assert.deepEqual( Reveal.getIndices(), { h: 3, v: 0, f: undefined } );
Reveal.next();
assert.deepEqual( Reveal.getIndices(), { h: 3, v: 0, f: undefined } );
});
// ---------------------------------------------------------------
// FRAGMENT TESTS
QUnit.module( 'Fragments' );
QUnit.test( 'Sliding to fragments', function( assert ) {
Reveal.slide( 2, 0, -1 );
assert.deepEqual( Reveal.getIndices(), { h: 2, v: 0, f: -1 }, 'Reveal.slide( 2, 0, -1 )' );
Reveal.slide( 2, 0, 0 );
assert.deepEqual( Reveal.getIndices(), { h: 2, v: 0, f: 0 }, 'Reveal.slide( 2, 0, 0 )' );
Reveal.slide( 2, 0, 2 );
assert.deepEqual( Reveal.getIndices(), { h: 2, v: 0, f: 2 }, 'Reveal.slide( 2, 0, 2 )' );
Reveal.slide( 2, 0, 1 );
assert.deepEqual( Reveal.getIndices(), { h: 2, v: 0, f: 1 }, 'Reveal.slide( 2, 0, 1 )' );
});
QUnit.test( 'data-fragment is set on slide <section>', function( assert ) {
Reveal.slide( 2, 0, -1 );
assert.deepEqual( Reveal.getCurrentSlide().getAttribute( 'data-fragment' ), '-1' );
Reveal.slide( 2, 0, 2 );
assert.deepEqual( Reveal.getCurrentSlide().getAttribute( 'data-fragment' ), '2' );
Reveal.slide( 2, 0, 0 );
assert.deepEqual( Reveal.getCurrentSlide().getAttribute( 'data-fragment' ), '0' );
var fragmentSlide = Reveal.getCurrentSlide();
Reveal.slide( 3, 0 );
assert.deepEqual( fragmentSlide.getAttribute( 'data-fragment' ), '0', 'data-fragment persists when jumping to another slide' );
});
QUnit.test( 'Hiding all fragments', function( assert ) {
var fragmentSlide = document.querySelector( '#fragment-slides>section:nth-child(1)' );
Reveal.slide( 2, 0, 0 );
assert.strictEqual( fragmentSlide.querySelectorAll( '.fragment.visible' ).length, 1, 'one fragment visible when index is 0' );
Reveal.slide( 2, 0, -1 );
assert.strictEqual( fragmentSlide.querySelectorAll( '.fragment.visible' ).length, 0, 'no fragments visible when index is -1' );
});
QUnit.test( 'Current fragment', function( assert ) {
var fragmentSlide = document.querySelector( '#fragment-slides>section:nth-child(1)' );
var lastFragmentIndex = [].slice.call( fragmentSlide.querySelectorAll( '.fragment' ) ).pop().getAttribute( 'data-fragment-index' );
Reveal.slide( 2, 0 );
assert.strictEqual( fragmentSlide.querySelectorAll( '.fragment.current-fragment' ).length, 0, 'no current fragment at index -1' );
Reveal.slide( 2, 0, 0 );
assert.strictEqual( fragmentSlide.querySelectorAll( '.fragment.current-fragment' ).length, 1, 'one current fragment at index 0' );
Reveal.slide( 1, 0, 0 );
assert.strictEqual( fragmentSlide.querySelectorAll( '.fragment.current-fragment' ).length, 0, 'no current fragment when navigating to previous slide' );
Reveal.slide( 3, 0, 0 );
assert.strictEqual( fragmentSlide.querySelectorAll( '.fragment.current-fragment' ).length, 0, 'no current fragment when navigating to next slide' );
Reveal.slide( 2, 1, -1 );
Reveal.prev();
assert.strictEqual( fragmentSlide.querySelector( '.fragment.current-fragment' ).getAttribute( 'data-fragment-index' ), lastFragmentIndex, 'last fragment is current fragment when returning from future slide' );
});
QUnit.test( 'Stepping through fragments', function( assert ) {
Reveal.slide( 2, 0, -1 );
// forwards:
Reveal.next();
assert.deepEqual( Reveal.getIndices(), { h: 2, v: 0, f: 0 }, 'next() goes to next fragment' );
Reveal.right();
assert.deepEqual( Reveal.getIndices(), { h: 2, v: 0, f: 1 }, 'right() goes to next fragment' );
Reveal.down();
assert.deepEqual( Reveal.getIndices(), { h: 2, v: 0, f: 2 }, 'down() goes to next fragment' );
Reveal.down(); // moves to f #3
// backwards:
Reveal.prev();
assert.deepEqual( Reveal.getIndices(), { h: 2, v: 0, f: 2 }, 'prev() goes to prev fragment' );
Reveal.left();
assert.deepEqual( Reveal.getIndices(), { h: 2, v: 0, f: 1 }, 'left() goes to prev fragment' );
Reveal.up();
assert.deepEqual( Reveal.getIndices(), { h: 2, v: 0, f: 0 }, 'up() goes to prev fragment' );
});
QUnit.test( 'Stepping past fragments', function( assert ) {
var fragmentSlide = document.querySelector( '#fragment-slides>section:nth-child(1)' );
Reveal.slide( 0, 0, 0 );
assert.equal( fragmentSlide.querySelectorAll( '.fragment.visible' ).length, 0, 'no fragments visible when on previous slide' );
Reveal.slide( 3, 0, 0 );
assert.equal( fragmentSlide.querySelectorAll( '.fragment.visible' ).length, 3, 'all fragments visible when on future slide' );
});
QUnit.test( 'Fragment indices', function( assert ) {
var fragmentSlide = document.querySelector( '#fragment-slides>section:nth-child(2)' );
Reveal.slide( 3, 0, 0 );
assert.equal( fragmentSlide.querySelectorAll( '.fragment.visible' ).length, 2, 'both fragments of same index are shown' );
// This slide has three fragments, first one is index 0, second and third have index 1
Reveal.slide( 2, 2, 0 );
assert.equal( Reveal.getIndices().f, 0, 'returns correct index for first fragment' );
Reveal.slide( 2, 2, 1 );
assert.equal( Reveal.getIndices().f, 1, 'returns correct index for two fragments with same index' );
});
QUnit.test( 'Index generation', function( assert ) {
var fragmentSlide = document.querySelector( '#fragment-slides>section:nth-child(1)' );
// These have no indices defined to start with
assert.equal( fragmentSlide.querySelectorAll( '.fragment' )[0].getAttribute( 'data-fragment-index' ), '0' );
assert.equal( fragmentSlide.querySelectorAll( '.fragment' )[1].getAttribute( 'data-fragment-index' ), '1' );
assert.equal( fragmentSlide.querySelectorAll( '.fragment' )[2].getAttribute( 'data-fragment-index' ), '2' );
});
QUnit.test( 'Index normalization', function( assert ) {
var fragmentSlide = document.querySelector( '#fragment-slides>section:nth-child(3)' );
// These start out as 1-4-4 and should normalize to 0-1-1
assert.equal( fragmentSlide.querySelectorAll( '.fragment' )[0].getAttribute( 'data-fragment-index' ), '0' );
assert.equal( fragmentSlide.querySelectorAll( '.fragment' )[1].getAttribute( 'data-fragment-index' ), '1' );
assert.equal( fragmentSlide.querySelectorAll( '.fragment' )[2].getAttribute( 'data-fragment-index' ), '1' );
});
QUnit.test( 'fragmentshown event', function( assert ) {
assert.expect( 2 );
var done = assert.async( 2 );
var _onEvent = function( event ) {
assert.ok( true, 'event fired' );
done();
}
Reveal.addEventListener( 'fragmentshown', _onEvent );
Reveal.slide( 2, 0 );
Reveal.slide( 2, 0 ); // should do nothing
Reveal.slide( 2, 0, 0 ); // should do nothing
Reveal.next();
Reveal.next();
Reveal.prev(); // shouldn't fire fragmentshown
Reveal.removeEventListener( 'fragmentshown', _onEvent );
});
QUnit.test( 'fragmenthidden event', function( assert ) {
assert.expect( 2 );
var done = assert.async( 2 );
var _onEvent = function( event ) {
assert.ok( true, 'event fired' );
done();
}
Reveal.addEventListener( 'fragmenthidden', _onEvent );
Reveal.slide( 2, 0, 2 );
Reveal.slide( 2, 0, 2 ); // should do nothing
Reveal.prev();
Reveal.prev();
Reveal.next(); // shouldn't fire fragmenthidden
Reveal.removeEventListener( 'fragmenthidden', _onEvent );
});
// ---------------------------------------------------------------
// AUTO-SLIDE TESTS
QUnit.module( 'Auto Sliding' );
QUnit.test( 'Reveal.isAutoSliding', function( assert ) {
assert.strictEqual( Reveal.isAutoSliding(), false, 'false by default' );
Reveal.configure({ autoSlide: 10000 });
assert.strictEqual( Reveal.isAutoSliding(), true, 'true after starting' );
Reveal.configure({ autoSlide: 0 });
assert.strictEqual( Reveal.isAutoSliding(), false, 'false after setting to 0' );
});
QUnit.test( 'Reveal.toggleAutoSlide', function( assert ) {
Reveal.configure({ autoSlide: 10000 });
Reveal.toggleAutoSlide();
assert.strictEqual( Reveal.isAutoSliding(), false, 'false after first toggle' );
Reveal.toggleAutoSlide();
assert.strictEqual( Reveal.isAutoSliding(), true, 'true after second toggle' );
Reveal.configure({ autoSlide: 0 });
});
QUnit.test( 'autoslidepaused', function( assert ) {
assert.expect( 1 );
var done = assert.async();
var _onEvent = function( event ) {
assert.ok( true, 'event fired' );
done();
}
Reveal.addEventListener( 'autoslidepaused', _onEvent );
Reveal.configure({ autoSlide: 10000 });
Reveal.toggleAutoSlide();
// cleanup
Reveal.configure({ autoSlide: 0 });
Reveal.removeEventListener( 'autoslidepaused', _onEvent );
});
QUnit.test( 'autoslideresumed', function( assert ) {
assert.expect( 1 );
var done = assert.async();
var _onEvent = function( event ) {
assert.ok( true, 'event fired' );
done();
}
Reveal.addEventListener( 'autoslideresumed', _onEvent );
Reveal.configure({ autoSlide: 10000 });
Reveal.toggleAutoSlide();
Reveal.toggleAutoSlide();
// cleanup
Reveal.configure({ autoSlide: 0 });
Reveal.removeEventListener( 'autoslideresumed', _onEvent );
});
// ---------------------------------------------------------------
// CONFIGURATION VALUES
QUnit.module( 'Configuration' );
QUnit.test( 'Controls', function( assert ) {
var controlsElement = document.querySelector( '.reveal>.controls' );
Reveal.configure({ controls: false });
assert.equal( controlsElement.style.display, 'none', 'controls are hidden' );
Reveal.configure({ controls: true });
assert.equal( controlsElement.style.display, 'block', 'controls are visible' );
});
QUnit.test( 'Progress', function( assert ) {
var progressElement = document.querySelector( '.reveal>.progress' );
Reveal.configure({ progress: false });
assert.equal( progressElement.style.display, 'none', 'progress are hidden' );
Reveal.configure({ progress: true });
assert.equal( progressElement.style.display, 'block', 'progress are visible' );
});
QUnit.test( 'Loop', function( assert ) {
Reveal.configure({ loop: true });
Reveal.slide( 0, 0 );
Reveal.left();
assert.notEqual( Reveal.getIndices().h, 0, 'looped from start to end' );
Reveal.right();
assert.equal( Reveal.getIndices().h, 0, 'looped from end to start' );
Reveal.configure({ loop: false });
});
// ---------------------------------------------------------------
// LAZY-LOADING TESTS
QUnit.module( 'Lazy-Loading' );
QUnit.test( 'img with data-src', function( assert ) {
assert.strictEqual( document.querySelectorAll( '.reveal section img[src]' ).length, 1, 'Image source has been set' );
});
QUnit.test( 'video with data-src', function( assert ) {
assert.strictEqual( document.querySelectorAll( '.reveal section video[src]' ).length, 1, 'Video source has been set' );
});
QUnit.test( 'audio with data-src', function( assert ) {
assert.strictEqual( document.querySelectorAll( '.reveal section audio[src]' ).length, 1, 'Audio source has been set' );
});
QUnit.test( 'iframe with data-src', function( assert ) {
Reveal.slide( 0, 0 );
assert.strictEqual( document.querySelectorAll( '.reveal section iframe[src]' ).length, 0, 'Iframe source is not set' );
Reveal.slide( 2, 1 );
assert.strictEqual( document.querySelectorAll( '.reveal section iframe[src]' ).length, 1, 'Iframe source is set' );
Reveal.slide( 2, 2 );
assert.strictEqual( document.querySelectorAll( '.reveal section iframe[src]' ).length, 0, 'Iframe source is not set' );
});
QUnit.test( 'background images', function( assert ) {
var imageSource1 = Reveal.getSlide( 0 ).getAttribute( 'data-background-image' );
var imageSource2 = Reveal.getSlide( 1, 0 ).getAttribute( 'data-background' );
// check that the images are applied to the background elements
assert.ok( Reveal.getSlideBackground( 0 ).querySelector( '.slide-background-content' ).style.backgroundImage.indexOf( imageSource1 ) !== -1, 'data-background-image worked' );
assert.ok( Reveal.getSlideBackground( 1, 0 ).querySelector( '.slide-background-content' ).style.backgroundImage.indexOf( imageSource2 ) !== -1, 'data-background worked' );
});
// ---------------------------------------------------------------
// EVENT TESTS
QUnit.module( 'Events' );
QUnit.test( 'slidechanged', function( assert ) {
assert.expect( 3 );
var done = assert.async( 3 );
var _onEvent = function( event ) {
assert.ok( true, 'event fired' );
done();
}
Reveal.addEventListener( 'slidechanged', _onEvent );
Reveal.slide( 1, 0 ); // should trigger
Reveal.slide( 1, 0 ); // should do nothing
Reveal.next(); // should trigger
Reveal.slide( 3, 0 ); // should trigger
Reveal.next(); // should do nothing
Reveal.removeEventListener( 'slidechanged', _onEvent );
});
QUnit.test( 'paused', function( assert ) {
assert.expect( 1 );
var done = assert.async();
var _onEvent = function( event ) {
assert.ok( true, 'event fired' );
done();
}
Reveal.addEventListener( 'paused', _onEvent );
Reveal.togglePause();
Reveal.togglePause();
Reveal.removeEventListener( 'paused', _onEvent );
});
QUnit.test( 'resumed', function( assert ) {
assert.expect( 1 );
var done = assert.async();
var _onEvent = function( event ) {
assert.ok( true, 'event fired' );
done();
}
Reveal.addEventListener( 'resumed', _onEvent );
Reveal.togglePause();
Reveal.togglePause();
Reveal.removeEventListener( 'resumed', _onEvent );
});
} );