fix auto-animations in firefox
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1 changed files with 15 additions and 9 deletions
22
js/reveal.js
22
js/reveal.js
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@ -3839,14 +3839,17 @@
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*/
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*/
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function autoAnimate( fromSlide, toSlide ) {
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function autoAnimate( fromSlide, toSlide ) {
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// Lazily create the auto-animate stylesheet
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// Remove any existing auto-animate sheet. Recycling led to
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if( !autoAnimateStyleSheet ) {
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// animations sometimes not trigger in FF.
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if( autoAnimateStyleSheet && autoAnimateStyleSheet.parentNode ) {
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autoAnimateStyleSheet.parentNode.removeChild( autoAnimateStyleSheet );
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autoAnimateStyleSheet = null;
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}
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// Create a new auto-animate sheet
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autoAnimateStyleSheet = document.createElement( 'style' );
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autoAnimateStyleSheet = document.createElement( 'style' );
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autoAnimateStyleSheet.type = 'text/css';
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document.head.appendChild( autoAnimateStyleSheet );
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document.head.appendChild( autoAnimateStyleSheet );
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}
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else {
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autoAnimateStyleSheet.innerHTML = '';
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}
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// Clean up after prior animations
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// Clean up after prior animations
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removeEphemeralAutoAnimateAttributes();
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removeEphemeralAutoAnimateAttributes();
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@ -3879,12 +3882,15 @@
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css.push( '.reveal [data-auto-animate="running"] [data-auto-animate-unmatched] { transition: all '+ (slideOptions.duration*0.8) +'s ease '+ (slideOptions.duration*0.2) +'s; }' );
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css.push( '.reveal [data-auto-animate="running"] [data-auto-animate-unmatched] { transition: all '+ (slideOptions.duration*0.8) +'s ease '+ (slideOptions.duration*0.2) +'s; }' );
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}
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}
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// Setting the whole chunk of CSS at once is the most
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// efficient way to do this. Using sheet.insertRule
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// is multiple factors slower.
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autoAnimateStyleSheet.innerHTML = css.join( '' );
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autoAnimateStyleSheet.innerHTML = css.join( '' );
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// Start the animation next cycle
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// Start the animation next cycle
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requestAnimationFrame( function() {
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setTimeout( function() {
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toSlide.dataset.autoAnimate = 'running';
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toSlide.dataset.autoAnimate = 'running';
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} );
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}, 2 );
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}
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}
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