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consider lazy loaded iframes when formatting src

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This commit is contained in:
Hakim El Hattab 2015-05-08 08:55:26 +02:00
parent e16a220a62
commit 5f90a449cf
1 changed files with 13 additions and 12 deletions
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23
js/reveal.js
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@ -2871,21 +2871,22 @@
*/
function formatEmbeddedContent() {
// YouTube frames must include "?enablejsapi=1"
toArray( dom.slides.querySelectorAll( 'iframe[src*="youtube.com/embed/"]' ) ).forEach( function( el ) {
var src = el.getAttribute( 'src' );
if( !/enablejsapi\=1/gi.test( src ) ) {
el.setAttribute( 'src', src + ( !/\?/.test( src ) ? '?' : '&' ) + 'enablejsapi=1' );
var _appendParamToIframeSource = function( sourceAttribute, sourceURL, param ) {
toArray( dom.slides.querySelectorAll( 'iframe['+ sourceAttribute +'*="'+ sourceURL +'"]' ) ).forEach( function( el ) {
var src = el.getAttribute( sourceAttribute );
if( src && src.indexOf( param ) === -1 ) {
el.setAttribute( sourceAttribute, src + ( !/\?/.test( src ) ? '?' : '&' ) + param );
}
});
};
// YouTube frames must include "?enablejsapi=1"
_appendParamToIframeSource( 'src', 'youtube.com/embed/', 'enablejsapi=1' );
_appendParamToIframeSource( 'data-src', 'youtube.com/embed/', 'enablejsapi=1' );
// Vimeo frames must include "?api=1"
toArray( dom.slides.querySelectorAll( 'iframe[src*="player.vimeo.com/"]' ) ).forEach( function( el ) {
var src = el.getAttribute( 'src' );
if( !/api\=1/gi.test( src ) ) {
el.setAttribute( 'src', src + ( !/\?/.test( src ) ? '?' : '&' ) + 'api=1' );
}
});
_appendParamToIframeSource( 'src', 'player.vimeo.com/', 'api=1' );
_appendParamToIframeSource( 'data-src', 'player.vimeo.com/', 'api=1' );
}