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limit text written to the status div

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Maarten Schroeven 2016-08-18 10:40:56 +02:00 committed by Hakim El Hattab
parent 2cf00254a1
commit ab33b31f0a
1 changed files with 19 additions and 2 deletions
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21
js/reveal.js
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@ -554,6 +554,23 @@
} }
function getStatusText(node) {
var text = "";
if(node.nodeType === 3) { //text node
text += node.textContent;
}else {
var isAriaHidden = node.getAttribute('aria-hidden');
var isDisplayHidden = window.getComputedStyle(node)['display'] === 'none';
if (isAriaHidden !== 'true' && !isDisplayHidden) {
var children = node.childNodes;
for (var i = 0;i < children.length; i++) {
text += getStatusText(children[i]);
}
}
}
return text;
}
/** /**
* Configures the presentation for printing to a static * Configures the presentation for printing to a static
* PDF. * PDF.
@ -2256,7 +2273,7 @@
} }
// Announce the current slide contents, for screen readers // Announce the current slide contents, for screen readers
dom.statusDiv.textContent = currentSlide.textContent; dom.statusDiv.textContent = getStatusText(currentSlide);
updateControls(); updateControls();
updateProgress(); updateProgress();
@ -3669,7 +3686,7 @@
element.classList.remove( 'current-fragment' ); element.classList.remove( 'current-fragment' );
// Announce the fragments one by one to the Screen Reader // Announce the fragments one by one to the Screen Reader
dom.statusDiv.textContent = element.textContent; dom.statusDiv.textContent = getStatusText(element);
if( i === index ) { if( i === index ) {
element.classList.add( 'current-fragment' ); element.classList.add( 'current-fragment' );