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why-cant-we-deploy-today
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reconfiguring no longer unloads iframes on current slide

This commit is contained in:
Hakim El Hattab 2017-11-09 11:40:25 +01:00
parent 376d140b2a
commit 3d1d7683b2
1 changed files with 18 additions and 9 deletions
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15
js/reveal.js
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@ -1274,6 +1274,8 @@
a[ i ] = b[ i ]; a[ i ] = b[ i ];
} }
return a;
} }
/** /**
@ -2509,7 +2511,7 @@
// Start or stop embedded content depending on global config // Start or stop embedded content depending on global config
if( config.autoPlayMedia === false ) { if( config.autoPlayMedia === false ) {
stopEmbeddedContent( currentSlide ); stopEmbeddedContent( currentSlide, { unloadIframes: false } );
} }
else { else {
startEmbeddedContent( currentSlide ); startEmbeddedContent( currentSlide );
@ -3535,7 +3537,12 @@
* *
* @param {HTMLElement} element * @param {HTMLElement} element
*/ */
function stopEmbeddedContent( element ) { function stopEmbeddedContent( element, options ) {
options = extend( {
// Defaults
unloadIframes: true
}, options || {} );
if( element && element.parentNode ) { if( element && element.parentNode ) {
// HTML5 media elements // HTML5 media elements
@ -3566,7 +3573,8 @@
} }
}); });
// Lazy loading iframes if( options.unloadIframes === true ) {
// Unload lazy-loaded iframes
toArray( element.querySelectorAll( 'iframe[data-src]' ) ).forEach( function( el ) { toArray( element.querySelectorAll( 'iframe[data-src]' ) ).forEach( function( el ) {
// Only removing the src doesn't actually unload the frame // Only removing the src doesn't actually unload the frame
// in all browsers (Firefox) so we set it to blank first // in all browsers (Firefox) so we set it to blank first
@ -3574,6 +3582,7 @@
el.removeAttribute( 'src' ); el.removeAttribute( 'src' );
} ); } );
} }
}
} }