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code format tweaks

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This commit is contained in:
Hakim El Hattab
2016-10-05 12:00:21 +02:00
parent 7e99626b14
commit 02f95f4de6
1 changed files with 29 additions and 14 deletions
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43
js/reveal.js
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@@ -554,21 +554,36 @@
} }
function getStatusText(node) { /**
var text = ""; * Converts the given HTML element into a string of text
if(node.nodeType === 3) { //text node * that can be announced to a screen reader. Hidden
* elements are excluded.
*/
function getStatusText( node ) {
var text = '';
// Text node
if( node.nodeType === 3 ) {
text += node.textContent; text += node.textContent;
}else if (node.nodeType === 1) { //element node
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]);
}
}
} }
// Element node
else if( node.nodeType === 1 ) {
var isAriaHidden = node.getAttribute( 'aria-hidden' );
var isDisplayHidden = window.getComputedStyle( node )['display'] === 'none';
if( isAriaHidden !== 'true' && !isDisplayHidden ) {
toArray( node.childNodes ).forEach( function( child ) {
text += getStatusText( child );
} );
}
}
return text; return text;
} }
/** /**
@@ -2273,7 +2288,7 @@
} }
// Announce the current slide contents, for screen readers // Announce the current slide contents, for screen readers
dom.statusDiv.textContent = getStatusText(currentSlide); dom.statusDiv.textContent = getStatusText( currentSlide );
updateControls(); updateControls();
updateProgress(); updateProgress();
@@ -3686,7 +3701,7 @@
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 = getStatusText(element); dom.statusDiv.textContent = getStatusText( element );
if( i === index ) { if( i === index ) {
element.classList.add( 'current-fragment' ); element.classList.add( 'current-fragment' );