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import './responsive-videos.css'; |
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|
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let resizeTimer; |
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|
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/** |
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* Resize all videos in the document. |
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*/ |
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function responsiveVideos() { |
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document.querySelectorAll( '.jetpack-video-wrapper' ).forEach( function ( wrapper ) { |
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wrapper.querySelectorAll( 'embed, iframe, object' ).forEach( function ( video ) { |
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let videoMargin = 0; |
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|
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const previousSibling = wrapper.previousElementSibling; |
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if ( |
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previousSibling && |
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previousSibling.nodeName === 'P' && |
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getComputedStyle( previousSibling )[ 'text-align' ] === 'center' |
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) { |
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videoMargin = '0 auto'; |
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} |
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|
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if ( ! video.hasAttribute( 'data-ratio' ) ) { |
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video.setAttribute( 'data-ratio', ( video.height || 0 ) / ( video.width || 0 ) ); |
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video.setAttribute( 'data-width', video.width ); |
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video.setAttribute( 'data-height', video.height ); |
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video.style.display = 'block'; |
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video.style.margin = videoMargin; |
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} |
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|
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const videoHeight = video.getAttribute( 'data-height' ); |
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const videoRatio = video.getAttribute( 'data-ratio' ); |
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const containerWidth = video.parentElement.clientWidth; |
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|
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video.removeAttribute( 'height' ); |
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video.removeAttribute( 'width' ); |
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|
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if ( videoRatio === 'Infinity' ) { |
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video.style.width = '100%'; |
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video.style.height = videoHeight + 'px'; |
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return; |
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} |
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|
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const videoWidth = video.getAttribute( 'data-width' ); |
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|
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if ( parseInt( videoWidth, 10 ) > containerWidth ) { |
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video.style.width = containerWidth + 'px'; |
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video.style.height = containerWidth * parseFloat( videoRatio ) + 'px'; |
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} else { |
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video.style.width = videoWidth + 'px'; |
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video.style.height = videoHeight + 'px'; |
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} |
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} ); |
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} ); |
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} |
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|
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/** |
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* Initialize event listeners and resize everything straight away. |
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*/ |
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function init() { |
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window.addEventListener( 'load', responsiveVideos ); |
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window.addEventListener( 'resize', function () { |
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clearTimeout( resizeTimer ); |
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resizeTimer = setTimeout( responsiveVideos, 500 ); |
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} ); |
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window.addEventListener( 'is.post-load', responsiveVideos ); |
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setTimeout( responsiveVideos ); |
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} |
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|
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if ( document.readyState !== 'loading' ) { |
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init(); |
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} else { |
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document.addEventListener( 'DOMContentLoaded', init ); |
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} |
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