add support for custom keyboard availability condition
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@ -44,6 +44,9 @@ var Reveal = (function(){
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// Enable keyboard shortcuts for navigation
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keyboard: true,
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// Optional function that blocks keyboard events when retuning false
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keyboardCondition: null,
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// Enable the slide overview mode
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overview: true,
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@ -2836,6 +2839,12 @@ var Reveal = (function(){
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*/
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function onDocumentKeyDown( event ) {
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// If there's a condition specified and it returns false,
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// ignore this event
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if( typeof config.keyboardCondition === 'function' && config.keyboardCondition() === false ) {
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return true;
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}
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// Remember if auto-sliding was paused so we can toggle it
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var autoSlideWasPaused = autoSlidePaused;
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