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remove multiple legacy vendor prefixes

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This commit is contained in:
Hakim El Hattab 2020-03-02 14:52:50 +01:00
parent 36f7136d34
commit 41e46659fa
1 changed files with 5 additions and 38 deletions
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43
js/reveal.js
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@ -499,20 +499,8 @@
var testElement = document.createElement( 'div' ); var testElement = document.createElement( 'div' );
features.transforms3d = 'WebkitPerspective' in testElement.style || features.transforms3d = 'perspective' in testElement.style;
'MozPerspective' in testElement.style || features.transforms2d = 'transform' in testElement.style;
'msPerspective' in testElement.style ||
'OPerspective' in testElement.style ||
'perspective' in testElement.style;
features.transforms2d = 'WebkitTransform' in testElement.style ||
'MozTransform' in testElement.style ||
'msTransform' in testElement.style ||
'OTransform' in testElement.style ||
'transform' in testElement.style;
features.requestAnimationFrameMethod = window.requestAnimationFrame || window.webkitRequestAnimationFrame || window.mozRequestAnimationFrame;
features.requestAnimationFrame = typeof features.requestAnimationFrameMethod === 'function';
features.canvas = !!document.createElement( 'canvas' ).getContext; features.canvas = !!document.createElement( 'canvas' ).getContext;
@ -1565,21 +1553,7 @@
dom.pauseOverlay.addEventListener( 'click', resume, false ); dom.pauseOverlay.addEventListener( 'click', resume, false );
if( config.focusBodyOnPageVisibilityChange ) { if( config.focusBodyOnPageVisibilityChange ) {
var visibilityChange; document.addEventListener( 'visibilitychange', onPageVisibilityChange, false );
if( 'hidden' in document ) {
visibilityChange = 'visibilitychange';
}
else if( 'msHidden' in document ) {
visibilityChange = 'msvisibilitychange';
}
else if( 'webkitHidden' in document ) {
visibilityChange = 'webkitvisibilitychange';
}
if( visibilityChange ) {
document.addEventListener( visibilityChange, onPageVisibilityChange, false );
}
} }
// Listen to both touch and click events, in case the device // Listen to both touch and click events, in case the device
@ -1797,9 +1771,6 @@
*/ */
function transformElement( element, transform ) { function transformElement( element, transform ) {
element.style.WebkitTransform = transform;
element.style.MozTransform = transform;
element.style.msTransform = transform;
element.style.transform = transform; element.style.transform = transform;
} }
@ -6297,13 +6268,9 @@
*/ */
function onPageVisibilityChange( event ) { function onPageVisibilityChange( event ) {
var isHidden = document.webkitHidden ||
document.msHidden ||
document.hidden;
// If, after clicking a link or similar and we're coming back, // If, after clicking a link or similar and we're coming back,
// focus the document.body to ensure we can use keyboard shortcuts // focus the document.body to ensure we can use keyboard shortcuts
if( isHidden === false && document.activeElement !== document.body ) { if( document.hidden === false && document.activeElement !== document.body ) {
// Not all elements support .blur() - SVGs among them. // Not all elements support .blur() - SVGs among them.
if( typeof document.activeElement.blur === 'function' ) { if( typeof document.activeElement.blur === 'function' ) {
document.activeElement.blur(); document.activeElement.blur();
@ -6471,7 +6438,7 @@
this.render(); this.render();
if( this.playing ) { if( this.playing ) {
features.requestAnimationFrameMethod.call( window, this.animate.bind( this ) ); requestAnimationFrame( this.animate.bind( this ) );
} }
}; };