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new fix for prematurely autoplaying background videos

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This commit is contained in:
Hakim El Hattab 2017-04-27 18:49:20 +02:00
parent 9f4ed56bb3
commit 360bc94006
1 changed files with 32 additions and 39 deletions
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43
js/reveal.js
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@ -3054,6 +3054,13 @@
} }
/**
* 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
*/
/** /**
* Called when the given slide is within the configured view * Called when the given slide is within the configured view
* distance. Shows the slide element and loads any content * distance. Shows the slide element and loads any content
@ -3098,6 +3105,7 @@
// If the background contains media, load it // If the background contains media, load it
if( background.hasAttribute( 'data-loaded' ) === false ) { if( background.hasAttribute( 'data-loaded' ) === false ) {
background.setAttribute( 'data-loaded', 'true' );
var backgroundImage = slide.getAttribute( 'data-background-image' ), var backgroundImage = slide.getAttribute( 'data-background-image' ),
backgroundVideo = slide.getAttribute( 'data-background-video' ), backgroundVideo = slide.getAttribute( 'data-background-video' ),
@ -3107,19 +3115,11 @@
// Images // Images
if( backgroundImage ) { if( backgroundImage ) {
background.style.backgroundImage = 'url('+ backgroundImage +')'; background.style.backgroundImage = 'url('+ backgroundImage +')';
background.setAttribute( 'data-loaded', 'true' );
} }
// Videos // Videos
else if ( backgroundVideo && !isSpeakerNotes() ) { else if ( backgroundVideo && !isSpeakerNotes() ) {
if( !isOverview() ) {
var video = document.createElement( 'video' ); var video = document.createElement( 'video' );
video.setAttribute( 'autoplay', '' );
video.setAttribute( 'playsinline', '' );
if( backgroundVideoLoop ) { if( backgroundVideoLoop ) {
video.setAttribute( 'loop', '' ); video.setAttribute( 'loop', '' );
@ -3129,21 +3129,24 @@
video.muted = true; 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( isMobileDevice ) {
video.muted = true;
video.autoplay = true;
video.setAttribute( 'playsinline', '' );
}
// Support comma separated lists of video sources // Support comma separated lists of video sources
backgroundVideo.split( ',' ).forEach( function( source ) { backgroundVideo.split( ',' ).forEach( function( source ) {
video.innerHTML += '<source src="'+ source +'">'; video.innerHTML += '<source src="'+ source +'">';
} ); } );
background.appendChild( video ); background.appendChild( video );
background.setAttribute( 'data-loaded', 'true' );
}
} }
// Iframes // Iframes
else if( backgroundIframe ) { else if( backgroundIframe ) {
var iframe = document.createElement( 'iframe' ); var iframe = document.createElement( 'iframe' );
iframe.setAttribute( 'allowfullscreen', '' ); iframe.setAttribute( 'allowfullscreen', '' );
iframe.setAttribute( 'mozallowfullscreen', '' ); iframe.setAttribute( 'mozallowfullscreen', '' );
@ -3164,18 +3167,10 @@
iframe.style.maxWidth = '100%'; iframe.style.maxWidth = '100%';
background.appendChild( iframe ); background.appendChild( iframe );
background.setAttribute( 'data-loaded', 'true' );
} }
else {
background.setAttribute( 'data-loaded', 'true' );
} }
} }
}
} }
@ -3415,10 +3410,8 @@
* the targeted slide. * the targeted slide.
* *
* @param {HTMLElement} element * @param {HTMLElement} element
* @param {boolean} autoplay Optionally override the
* autoplay setting of media elements
*/ */
function stopEmbeddedContent( element, autoplay ) { function stopEmbeddedContent( element ) {
if( element && element.parentNode ) { if( element && element.parentNode ) {
// HTML5 media elements // HTML5 media elements