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wp-mediaelement.js (2363B)

      1 /* global _wpmejsSettings, mejsL10n */
      2 (function( window, $ ) {
      3 
      4 	window.wp = window.wp || {};
      5 
      6 	function wpMediaElement() {
      7 		var settings = {};
      8 
      9 		/**
     10 		 * Initialize media elements.
     11 		 *
     12 		 * Ensures media elements that have already been initialized won't be
     13 		 * processed again.
     14 		 *
     15 		 * @memberOf wp.mediaelement
     16 		 *
     17 		 * @since 4.4.0
     18 		 *
     19 		 * @return {void}
     20 		 */
     21 		function initialize() {
     22 			if ( typeof _wpmejsSettings !== 'undefined' ) {
     23 				settings = $.extend( true, {}, _wpmejsSettings );
     24 			}
     25 			settings.classPrefix = 'mejs-';
     26 			settings.success = settings.success || function ( mejs ) {
     27 				var autoplay, loop;
     28 
     29 				if ( mejs.rendererName && -1 !== mejs.rendererName.indexOf( 'flash' ) ) {
     30 					autoplay = mejs.attributes.autoplay && 'false' !== mejs.attributes.autoplay;
     31 					loop = mejs.attributes.loop && 'false' !== mejs.attributes.loop;
     32 
     33 					if ( autoplay ) {
     34 						mejs.addEventListener( 'canplay', function() {
     35 							mejs.play();
     36 						}, false );
     37 					}
     38 
     39 					if ( loop ) {
     40 						mejs.addEventListener( 'ended', function() {
     41 							mejs.play();
     42 						}, false );
     43 					}
     44 				}
     45 			};
     46 
     47 			/**
     48 			 * Custom error handler.
     49 			 *
     50 			 * Sets up a custom error handler in case a video render fails, and provides a download
     51 			 * link as the fallback.
     52 			 *
     53 			 * @since 4.9.3
     54 			 *
     55 			 * @param {object} media The wrapper that mimics all the native events/properties/methods for all renderers.
     56 			 * @param {object} node  The original HTML video, audio, or iframe tag where the media was loaded.
     57 			 * @return {string}
     58 			 */
     59 			settings.customError = function ( media, node ) {
     60 				// Make sure we only fall back to a download link for flash files.
     61 				if ( -1 !== media.rendererName.indexOf( 'flash' ) || -1 !== media.rendererName.indexOf( 'flv' ) ) {
     62 					return '<a href="' + node.src + '">' + mejsL10n.strings['mejs.download-file'] + '</a>';
     63 				}
     64 			};
     65 
     66 			// Only initialize new media elements.
     67 			$( '.wp-audio-shortcode, .wp-video-shortcode' )
     68 				.not( '.mejs-container' )
     69 				.filter(function () {
     70 					return ! $( this ).parent().hasClass( 'mejs-mediaelement' );
     71 				})
     72 				.mediaelementplayer( settings );
     73 		}
     74 
     75 		return {
     76 			initialize: initialize
     77 		};
     78 	}
     79 
     80 	/**
     81 	 * @namespace wp.mediaelement
     82 	 * @memberOf wp
     83 	 */
     84 	window.wp.mediaelement = new wpMediaElement();
     85 
     86 	$( window.wp.mediaelement.initialize );
     87 
     88 })( window, jQuery );