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Merge branch 'alternate-timing' of https://github.com/fghaas/reveal.js into dev

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Hakim El Hattab 2019-05-27 08:08:00 +02:00
commit 25e521a16c
2 changed files with 37 additions and 4 deletions
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26
plugin/notes/notes.html
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@ -539,12 +539,17 @@
callRevealApi( 'getSlidesAttributes', [], function ( slideAttributes ) { callRevealApi( 'getSlidesAttributes', [], function ( slideAttributes ) {
callRevealApi( 'getConfig', [], function ( config ) { callRevealApi( 'getConfig', [], function ( config ) {
var totalTime = config.totalTime;
var minTimePerSlide = config.minimumTimePerSlide || 0;
var defaultTiming = config.defaultTiming; var defaultTiming = config.defaultTiming;
if (defaultTiming == null) { if ((defaultTiming == null) && (totalTime == null)) {
callback(null); callback(null);
return; return;
} }
// Setting totalTime overrides defaultTiming
if (totalTime) {
defaultTiming = 0;
}
var timings = []; var timings = [];
for ( var i in slideAttributes ) { for ( var i in slideAttributes ) {
var slide = slideAttributes[ i ]; var slide = slideAttributes[ i ];
@ -559,7 +564,22 @@
} }
timings.push(timing); timings.push(timing);
} }
if ( totalTime ) {
// After we've allocated time to individual slides, we summarize it and
// subtract it from the total time
var remainingTime = totalTime - timings.reduce( function(a, b) { return a + b; }, 0 );
// The remaining time is divided by the number of slides that have 0 seconds
// allocated at the moment, giving the average time-per-slide on the remaining slides
var remainingSlides = (timings.filter( function(x) { return x == 0 }) ).length
var timePerSlide = Math.round( remainingTime / remainingSlides, 0 )
// And now we replace every zero-value timing with that average
timings = timings.map( function(x) { return (x==0 ? timePerSlide : x) } );
}
var slidesUnderMinimum = timings.filter( function(x) { return (x < minTimePerSlide) } ).length
if ( slidesUnderMinimum ) {
message = "The pacing time for " + slidesUnderMinimum + " slide(s) is under the configured minimum of " + minTimePerSlide + " seconds. Check the data-timing attribute on individual slides, or consider increasing the totalTime or minimumTimePerSlide configuration options (or removing some slides).";
alert(message);
}
callback( timings ); callback( timings );
} ); } );
} ); } );