99 lines
2.2 KiB
JavaScript
99 lines
2.2 KiB
JavaScript
( function( $ ) {
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/**
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* A function to help debouncing.
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*/
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var debounce = function( func, wait ) {
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var timeout, args, context, timestamp;
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return function() {
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context = this;
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args = [].slice.call( arguments, 0 );
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timestamp = new Date();
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var later = function() {
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var last = ( new Date() ) - timestamp;
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if ( last < wait ) {
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timeout = setTimeout( later, wait - last );
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} else {
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timeout = null;
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func.apply( context, args );
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}
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};
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if ( ! timeout ) {
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timeout = setTimeout( later, wait );
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}
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};
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};
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/**
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* A function to resize videos.
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*/
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function responsive_videos() {
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$( '.jetpack-video-wrapper' ).find( 'embed, iframe, object' ).each( function() {
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var video_element, video_width, video_height, video_ratio, video_wrapper, video_margin, container_width;
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video_element = $( this );
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video_margin = 0;
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if ( video_element.parents( '.jetpack-video-wrapper' ).prev( 'p' ).css( 'text-align' ) === 'center' ) {
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video_margin = '0 auto';
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}
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if ( ! video_element.attr( 'data-ratio' ) ) {
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video_element
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.attr( 'data-ratio', this.height / this.width )
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.attr( 'data-width', this.width )
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.attr( 'data-height', this.height )
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.css( {
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'display' : 'block',
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'margin' : video_margin
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} );
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}
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video_width = video_element.attr( 'data-width' );
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video_height = video_element.attr( 'data-height' );
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video_ratio = video_element.attr( 'data-ratio' );
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video_wrapper = video_element.parent();
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container_width = video_wrapper.width();
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if ( video_ratio === 'Infinity' ) {
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video_width = '100%';
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}
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video_element
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.removeAttr( 'height' )
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.removeAttr( 'width' );
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if ( video_width > container_width ) {
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video_element
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.width( container_width )
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.height( container_width * video_ratio );
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} else {
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video_element
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.width( video_width )
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.height( video_height );
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}
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} );
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}
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/**
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* Load responsive_videos().
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* Trigger resize to make sure responsive_videos() is loaded after IS.
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*/
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$( window ).load( responsive_videos ).resize( debounce( responsive_videos, 100 ) ).trigger( 'resize' );
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$( document ).on( 'post-load', responsive_videos );
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} )( jQuery );
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