Add upstream

wp-content/plugins/jetpack/modules/theme-tools/responsive-videos/responsive-videos.js

@@ -0,0 +1,63 @@
+( function( $ ) {
+	var resizeTimer;
+
+	function responsiveVideos() {
+		$( '.jetpack-video-wrapper' )
+			.find( 'embed, iframe, object' )
+			.each( function() {
+				var _this, videoWidth, videoHeight, videoRatio, videoWrapper, videoMargin, containerWidth;
+
+				_this = $( this );
+				videoMargin = 0;
+
+				if (
+					_this
+						.parents( '.jetpack-video-wrapper' )
+						.prev( 'p' )
+						.css( 'text-align' ) === 'center'
+				) {
+					videoMargin = '0 auto';
+				}
+
+				if ( ! _this.attr( 'data-ratio' ) ) {
+					_this
+						.attr( 'data-ratio', this.height / this.width )
+						.attr( 'data-width', this.width )
+						.attr( 'data-height', this.height )
+						.css( {
+							display: 'block',
+							margin: videoMargin,
+						} );
+				}
+
+				videoWidth = _this.attr( 'data-width' );
+				videoHeight = _this.attr( 'data-height' );
+				videoRatio = _this.attr( 'data-ratio' );
+				videoWrapper = _this.parent();
+				containerWidth = videoWrapper.width();
+
+				if ( videoRatio === 'Infinity' ) {
+					videoWidth = '100%';
+				}
+
+				_this.removeAttr( 'height' ).removeAttr( 'width' );
+
+				if ( videoWidth > containerWidth ) {
+					_this.width( containerWidth ).height( containerWidth * videoRatio );
+				} else {
+					_this.width( videoWidth ).height( videoHeight );
+				}
+			} );
+	}
+
+	$( document ).ready( function() {
+		$( window )
+			.on( 'load.jetpack', responsiveVideos )
+			.on( 'resize.jetpack', function() {
+				clearTimeout( resizeTimer );
+				resizeTimer = setTimeout( responsiveVideos, 500 );
+			} )
+			.on( 'post-load.jetpack', responsiveVideos )
+			.resize();
+	} );
+} )( jQuery );