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Code Issues Packages Projects Releases Wiki Activity

unload lazy loaded videos that are moved out of view

edit
Hakim El Hattab 2017-06-14 19:11:08 +02:00
parent dc17129082
commit af7c33b902
1 changed files with 14 additions and 0 deletions
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14
js/reveal.js
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@ -3169,6 +3169,7 @@
// Media elements with data-src attributes
toArray( slide.querySelectorAll( 'img[data-src], video[data-src], audio[data-src]' ) ).forEach( function( element ) {
element.setAttribute( 'src', element.getAttribute( 'data-src' ) );
element.setAttribute( 'data-lazy-loaded', '' );
element.removeAttribute( 'data-src' );
} );
@ -3179,6 +3180,7 @@
toArray( media.querySelectorAll( 'source[data-src]' ) ).forEach( function( source ) {
source.setAttribute( 'src', source.getAttribute( 'data-src' ) );
source.removeAttribute( 'data-src' );
source.setAttribute( 'data-lazy-loaded', '' );
sources += 1;
} );
@ -3285,6 +3287,18 @@
background.style.display = 'none';
}
// Reset lazy-loaded media elements with src attributes
toArray( slide.querySelectorAll( 'video[data-lazy-loaded][src], audio[data-lazy-loaded][src]' ) ).forEach( function( 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( function( source ) {
source.setAttribute( 'data-src', source.getAttribute( 'src' ) );
source.removeAttribute( 'src' );
} );
}
/**