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mce-view.js (26059B)

---

 /**
  * @output wp-includes/js/mce-view.js
  */
 
 /* global tinymce */
 
 /*
  * The TinyMCE view API.
  *
  * Note: this API is "experimental" meaning that it will probably change
  * in the next few releases based on feedback from 3.9.0.
  * If you decide to use it, please follow the development closely.
  *
  * Diagram
  *
  * |- registered view constructor (type)
  * |  |- view instance (unique text)
  * |  |  |- editor 1
  * |  |  |  |- view node
  * |  |  |  |- view node
  * |  |  |  |- ...
  * |  |  |- editor 2
  * |  |  |  |- ...
  * |  |- view instance
  * |  |  |- ...
  * |- registered view
  * |  |- ...
  */
 ( function( window, wp, shortcode, $ ) {
 	'use strict';
 
 	var views = {},
 		instances = {};
 
 	wp.mce = wp.mce || {};
 
 	/**
 	 * wp.mce.views
 	 *
 	 * A set of utilities that simplifies adding custom UI within a TinyMCE editor.
 	 * At its core, it serves as a series of converters, transforming text to a
 	 * custom UI, and back again.
 	 */
 	wp.mce.views = {
 
 		/**
 		 * Registers a new view type.
 		 *
 		 * @param {string} type   The view type.
 		 * @param {Object} extend An object to extend wp.mce.View.prototype with.
 		 */
 		register: function( type, extend ) {
 			views[ type ] = wp.mce.View.extend( _.extend( extend, { type: type } ) );
 		},
 
 		/**
 		 * Unregisters a view type.
 		 *
 		 * @param {string} type The view type.
 		 */
 		unregister: function( type ) {
 			delete views[ type ];
 		},
 
 		/**
 		 * Returns the settings of a view type.
 		 *
 		 * @param {string} type The view type.
 		 *
 		 * @return {Function} The view constructor.
 		 */
 		get: function( type ) {
 			return views[ type ];
 		},
 
 		/**
 		 * Unbinds all view nodes.
 		 * Runs before removing all view nodes from the DOM.
 		 */
 		unbind: function() {
 			_.each( instances, function( instance ) {
 				instance.unbind();
 			} );
 		},
 
 		/**
 		 * Scans a given string for each view's pattern,
 		 * replacing any matches with markers,
 		 * and creates a new instance for every match.
 		 *
 		 * @param {string} content The string to scan.
 		 * @param {tinymce.Editor} editor The editor.
 		 *
 		 * @return {string} The string with markers.
 		 */
 		setMarkers: function( content, editor ) {
 			var pieces = [ { content: content } ],
 				self = this,
 				instance, current;
 
 			_.each( views, function( view, type ) {
 				current = pieces.slice();
 				pieces  = [];
 
 				_.each( current, function( piece ) {
 					var remaining = piece.content,
 						result, text;
 
 					// Ignore processed pieces, but retain their location.
 					if ( piece.processed ) {
 						pieces.push( piece );
 						return;
 					}
 
 					// Iterate through the string progressively matching views
 					// and slicing the string as we go.
 					while ( remaining && ( result = view.prototype.match( remaining ) ) ) {
 						// Any text before the match becomes an unprocessed piece.
 						if ( result.index ) {
 							pieces.push( { content: remaining.substring( 0, result.index ) } );
 						}
 
 						result.options.editor = editor;
 						instance = self.createInstance( type, result.content, result.options );
 						text = instance.loader ? '.' : instance.text;
 
 						// Add the processed piece for the match.
 						pieces.push( {
 							content: instance.ignore ? text : '<p data-wpview-marker="' + instance.encodedText + '">' + text + '</p>',
 							processed: true
 						} );
 
 						// Update the remaining content.
 						remaining = remaining.slice( result.index + result.content.length );
 					}
 
 					// There are no additional matches.
 					// If any content remains, add it as an unprocessed piece.
 					if ( remaining ) {
 						pieces.push( { content: remaining } );
 					}
 				} );
 			} );
 
 			content = _.pluck( pieces, 'content' ).join( '' );
 			return content.replace( /<p>\s*<p data-wpview-marker=/g, '<p data-wpview-marker=' ).replace( /<\/p>\s*<\/p>/g, '</p>' );
 		},
 
 		/**
 		 * Create a view instance.
 		 *
 		 * @param {string}  type    The view type.
 		 * @param {string}  text    The textual representation of the view.
 		 * @param {Object}  options Options.
 		 * @param {boolean} force   Recreate the instance. Optional.
 		 *
 		 * @return {wp.mce.View} The view instance.
 		 */
 		createInstance: function( type, text, options, force ) {
 			var View = this.get( type ),
 				encodedText,
 				instance;
 
 			if ( text.indexOf( '[' ) !== -1 && text.indexOf( ']' ) !== -1 ) {
 				// Looks like a shortcode? Remove any line breaks from inside of shortcodes
 				// or autop will replace them with <p> and <br> later and the string won't match.
 				text = text.replace( /\[[^\]]+\]/g, function( match ) {
 					return match.replace( /[\r\n]/g, '' );
 				});
 			}
 
 			if ( ! force ) {
 				instance = this.getInstance( text );
 
 				if ( instance ) {
 					return instance;
 				}
 			}
 
 			encodedText = encodeURIComponent( text );
 
 			options = _.extend( options || {}, {
 				text: text,
 				encodedText: encodedText
 			} );
 
 			return instances[ encodedText ] = new View( options );
 		},
 
 		/**
 		 * Get a view instance.
 		 *
 		 * @param {(string|HTMLElement)} object The textual representation of the view or the view node.
 		 *
 		 * @return {wp.mce.View} The view instance or undefined.
 		 */
 		getInstance: function( object ) {
 			if ( typeof object === 'string' ) {
 				return instances[ encodeURIComponent( object ) ];
 			}
 
 			return instances[ $( object ).attr( 'data-wpview-text' ) ];
 		},
 
 		/**
 		 * Given a view node, get the view's text.
 		 *
 		 * @param {HTMLElement} node The view node.
 		 *
 		 * @return {string} The textual representation of the view.
 		 */
 		getText: function( node ) {
 			return decodeURIComponent( $( node ).attr( 'data-wpview-text' ) || '' );
 		},
 
 		/**
 		 * Renders all view nodes that are not yet rendered.
 		 *
 		 * @param {boolean} force Rerender all view nodes.
 		 */
 		render: function( force ) {
 			_.each( instances, function( instance ) {
 				instance.render( null, force );
 			} );
 		},
 
 		/**
 		 * Update the text of a given view node.
 		 *
 		 * @param {string}         text   The new text.
 		 * @param {tinymce.Editor} editor The TinyMCE editor instance the view node is in.
 		 * @param {HTMLElement}    node   The view node to update.
 		 * @param {boolean}        force  Recreate the instance. Optional.
 		 */
 		update: function( text, editor, node, force ) {
 			var instance = this.getInstance( node );
 
 			if ( instance ) {
 				instance.update( text, editor, node, force );
 			}
 		},
 
 		/**
 		 * Renders any editing interface based on the view type.
 		 *
 		 * @param {tinymce.Editor} editor The TinyMCE editor instance the view node is in.
 		 * @param {HTMLElement}    node   The view node to edit.
 		 */
 		edit: function( editor, node ) {
 			var instance = this.getInstance( node );
 
 			if ( instance && instance.edit ) {
 				instance.edit( instance.text, function( text, force ) {
 					instance.update( text, editor, node, force );
 				} );
 			}
 		},
 
 		/**
 		 * Remove a given view node from the DOM.
 		 *
 		 * @param {tinymce.Editor} editor The TinyMCE editor instance the view node is in.
 		 * @param {HTMLElement}    node   The view node to remove.
 		 */
 		remove: function( editor, node ) {
 			var instance = this.getInstance( node );
 
 			if ( instance ) {
 				instance.remove( editor, node );
 			}
 		}
 	};
 
 	/**
 	 * A Backbone-like View constructor intended for use when rendering a TinyMCE View.
 	 * The main difference is that the TinyMCE View is not tied to a particular DOM node.
 	 *
 	 * @param {Object} options Options.
 	 */
 	wp.mce.View = function( options ) {
 		_.extend( this, options );
 		this.initialize();
 	};
 
 	wp.mce.View.extend = Backbone.View.extend;
 
 	_.extend( wp.mce.View.prototype, /** @lends wp.mce.View.prototype */{
 
 		/**
 		 * The content.
 		 *
 		 * @type {*}
 		 */
 		content: null,
 
 		/**
 		 * Whether or not to display a loader.
 		 *
 		 * @type {Boolean}
 		 */
 		loader: true,
 
 		/**
 		 * Runs after the view instance is created.
 		 */
 		initialize: function() {},
 
 		/**
 		 * Returns the content to render in the view node.
 		 *
 		 * @return {*}
 		 */
 		getContent: function() {
 			return this.content;
 		},
 
 		/**
 		 * Renders all view nodes tied to this view instance that are not yet rendered.
 		 *
 		 * @param {string}  content The content to render. Optional.
 		 * @param {boolean} force   Rerender all view nodes tied to this view instance. Optional.
 		 */
 		render: function( content, force ) {
 			if ( content != null ) {
 				this.content = content;
 			}
 
 			content = this.getContent();
 
 			// If there's nothing to render an no loader needs to be shown, stop.
 			if ( ! this.loader && ! content ) {
 				return;
 			}
 
 			// We're about to rerender all views of this instance, so unbind rendered views.
 			force && this.unbind();
 
 			// Replace any left over markers.
 			this.replaceMarkers();
 
 			if ( content ) {
 				this.setContent( content, function( editor, node ) {
 					$( node ).data( 'rendered', true );
 					this.bindNode.call( this, editor, node );
 				}, force ? null : false );
 			} else {
 				this.setLoader();
 			}
 		},
 
 		/**
 		 * Binds a given node after its content is added to the DOM.
 		 */
 		bindNode: function() {},
 
 		/**
 		 * Unbinds a given node before its content is removed from the DOM.
 		 */
 		unbindNode: function() {},
 
 		/**
 		 * Unbinds all view nodes tied to this view instance.
 		 * Runs before their content is removed from the DOM.
 		 */
 		unbind: function() {
 			this.getNodes( function( editor, node ) {
 				this.unbindNode.call( this, editor, node );
 			}, true );
 		},
 
 		/**
 		 * Gets all the TinyMCE editor instances that support views.
 		 *
 		 * @param {Function} callback A callback.
 		 */
 		getEditors: function( callback ) {
 			_.each( tinymce.editors, function( editor ) {
 				if ( editor.plugins.wpview ) {
 					callback.call( this, editor );
 				}
 			}, this );
 		},
 
 		/**
 		 * Gets all view nodes tied to this view instance.
 		 *
 		 * @param {Function} callback A callback.
 		 * @param {boolean}  rendered Get (un)rendered view nodes. Optional.
 		 */
 		getNodes: function( callback, rendered ) {
 			this.getEditors( function( editor ) {
 				var self = this;
 
 				$( editor.getBody() )
 					.find( '[data-wpview-text="' + self.encodedText + '"]' )
 					.filter( function() {
 						var data;
 
 						if ( rendered == null ) {
 							return true;
 						}
 
 						data = $( this ).data( 'rendered' ) === true;
 
 						return rendered ? data : ! data;
 					} )
 					.each( function() {
 						callback.call( self, editor, this, this /* back compat */ );
 					} );
 			} );
 		},
 
 		/**
 		 * Gets all marker nodes tied to this view instance.
 		 *
 		 * @param {Function} callback A callback.
 		 */
 		getMarkers: function( callback ) {
 			this.getEditors( function( editor ) {
 				var self = this;
 
 				$( editor.getBody() )
 					.find( '[data-wpview-marker="' + this.encodedText + '"]' )
 					.each( function() {
 						callback.call( self, editor, this );
 					} );
 			} );
 		},
 
 		/**
 		 * Replaces all marker nodes tied to this view instance.
 		 */
 		replaceMarkers: function() {
 			this.getMarkers( function( editor, node ) {
 				var selected = node === editor.selection.getNode();
 				var $viewNode;
 
 				if ( ! this.loader && $( node ).text() !== tinymce.DOM.decode( this.text ) ) {
 					editor.dom.setAttrib( node, 'data-wpview-marker', null );
 					return;
 				}
 
 				$viewNode = editor.$(
 					'<div class="wpview wpview-wrap" data-wpview-text="' + this.encodedText + '" data-wpview-type="' + this.type + '" contenteditable="false"></div>'
 				);
 
 				editor.undoManager.ignore( function() {
 					editor.$( node ).replaceWith( $viewNode );
 				} );
 
 				if ( selected ) {
 					setTimeout( function() {
 						editor.undoManager.ignore( function() {
 							editor.selection.select( $viewNode[0] );
 							editor.selection.collapse();
 						} );
 					} );
 				}
 			} );
 		},
 
 		/**
 		 * Removes all marker nodes tied to this view instance.
 		 */
 		removeMarkers: function() {
 			this.getMarkers( function( editor, node ) {
 				editor.dom.setAttrib( node, 'data-wpview-marker', null );
 			} );
 		},
 
 		/**
 		 * Sets the content for all view nodes tied to this view instance.
 		 *
 		 * @param {*}        content  The content to set.
 		 * @param {Function} callback A callback. Optional.
 		 * @param {boolean}  rendered Only set for (un)rendered nodes. Optional.
 		 */
 		setContent: function( content, callback, rendered ) {
 			if ( _.isObject( content ) && ( content.sandbox || content.head || content.body.indexOf( '<script' ) !== -1 ) ) {
 				this.setIframes( content.head || '', content.body, callback, rendered );
 			} else if ( _.isString( content ) && content.indexOf( '<script' ) !== -1 ) {
 				this.setIframes( '', content, callback, rendered );
 			} else {
 				this.getNodes( function( editor, node ) {
 					content = content.body || content;
 
 					if ( content.indexOf( '<iframe' ) !== -1 ) {
 						content += '<span class="mce-shim"></span>';
 					}
 
 					editor.undoManager.transact( function() {
 						node.innerHTML = '';
 						node.appendChild( _.isString( content ) ? editor.dom.createFragment( content ) : content );
 						editor.dom.add( node, 'span', { 'class': 'wpview-end' } );
 					} );
 
 					callback && callback.call( this, editor, node );
 				}, rendered );
 			}
 		},
 
 		/**
 		 * Sets the content in an iframe for all view nodes tied to this view instance.
 		 *
 		 * @param {string}   head     HTML string to be added to the head of the document.
 		 * @param {string}   body     HTML string to be added to the body of the document.
 		 * @param {Function} callback A callback. Optional.
 		 * @param {boolean}  rendered Only set for (un)rendered nodes. Optional.
 		 */
 		setIframes: function( head, body, callback, rendered ) {
 			var self = this;
 
 			if ( body.indexOf( '[' ) !== -1 && body.indexOf( ']' ) !== -1 ) {
 				var shortcodesRegExp = new RegExp( '\\[\\/?(?:' + window.mceViewL10n.shortcodes.join( '|' ) + ')[^\\]]*?\\]', 'g' );
 				// Escape tags inside shortcode previews.
 				body = body.replace( shortcodesRegExp, function( match ) {
 					return match.replace( /</g, '&lt;' ).replace( />/g, '&gt;' );
 				} );
 			}
 
 			this.getNodes( function( editor, node ) {
 				var dom = editor.dom,
 					styles = '',
 					bodyClasses = editor.getBody().className || '',
 					editorHead = editor.getDoc().getElementsByTagName( 'head' )[0],
 					iframe, iframeWin, iframeDoc, MutationObserver, observer, i, block;
 
 				tinymce.each( dom.$( 'link[rel="stylesheet"]', editorHead ), function( link ) {
 					if ( link.href && link.href.indexOf( 'skins/lightgray/content.min.css' ) === -1 &&
 						link.href.indexOf( 'skins/wordpress/wp-content.css' ) === -1 ) {
 
 						styles += dom.getOuterHTML( link );
 					}
 				} );
 
 				if ( self.iframeHeight ) {
 					dom.add( node, 'span', {
 						'data-mce-bogus': 1,
 						style: {
 							display: 'block',
 							width: '100%',
 							height: self.iframeHeight
 						}
 					}, '\u200B' );
 				}
 
 				editor.undoManager.transact( function() {
 					node.innerHTML = '';
 
 					iframe = dom.add( node, 'iframe', {
 						/* jshint scripturl: true */
 						src: tinymce.Env.ie ? 'javascript:""' : '',
 						frameBorder: '0',
 						allowTransparency: 'true',
 						scrolling: 'no',
 						'class': 'wpview-sandbox',
 						style: {
 							width: '100%',
 							display: 'block'
 						},
 						height: self.iframeHeight
 					} );
 
 					dom.add( node, 'span', { 'class': 'mce-shim' } );
 					dom.add( node, 'span', { 'class': 'wpview-end' } );
 				} );
 
 				/*
 				 * Bail if the iframe node is not attached to the DOM.
 				 * Happens when the view is dragged in the editor.
 				 * There is a browser restriction when iframes are moved in the DOM. They get emptied.
 				 * The iframe will be rerendered after dropping the view node at the new location.
 				 */
 				if ( ! iframe.contentWindow ) {
 					return;
 				}
 
 				iframeWin = iframe.contentWindow;
 				iframeDoc = iframeWin.document;
 				iframeDoc.open();
 
 				iframeDoc.write(
 					'<!DOCTYPE html>' +
 					'<html>' +
 						'<head>' +
 							'<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />' +
 							head +
 							styles +
 							'<style>' +
 								'html {' +
 									'background: transparent;' +
 									'padding: 0;' +
 									'margin: 0;' +
 								'}' +
 								'body#wpview-iframe-sandbox {' +
 									'background: transparent;' +
 									'padding: 1px 0 !important;' +
 									'margin: -1px 0 0 !important;' +
 								'}' +
 								'body#wpview-iframe-sandbox:before,' +
 								'body#wpview-iframe-sandbox:after {' +
 									'display: none;' +
 									'content: "";' +
 								'}' +
 								'iframe {' +
 									'max-width: 100%;' +
 								'}' +
 							'</style>' +
 						'</head>' +
 						'<body id="wpview-iframe-sandbox" class="' + bodyClasses + '">' +
 							body +
 						'</body>' +
 					'</html>'
 				);
 
 				iframeDoc.close();
 
 				function resize() {
 					var $iframe;
 
 					if ( block ) {
 						return;
 					}
 
 					// Make sure the iframe still exists.
 					if ( iframe.contentWindow ) {
 						$iframe = $( iframe );
 						self.iframeHeight = $( iframeDoc.body ).height();
 
 						if ( $iframe.height() !== self.iframeHeight ) {
 							$iframe.height( self.iframeHeight );
 							editor.nodeChanged();
 						}
 					}
 				}
 
 				if ( self.iframeHeight ) {
 					block = true;
 
 					setTimeout( function() {
 						block = false;
 						resize();
 					}, 3000 );
 				}
 
 				function reload() {
 					if ( ! editor.isHidden() ) {
 						$( node ).data( 'rendered', null );
 
 						setTimeout( function() {
 							wp.mce.views.render();
 						} );
 					}
 				}
 
 				function addObserver() {
 					observer = new MutationObserver( _.debounce( resize, 100 ) );
 
 					observer.observe( iframeDoc.body, {
 						attributes: true,
 						childList: true,
 						subtree: true
 					} );
 				}
 
 				$( iframeWin ).on( 'load', resize ).on( 'unload', reload );
 
 				MutationObserver = iframeWin.MutationObserver || iframeWin.WebKitMutationObserver || iframeWin.MozMutationObserver;
 
 				if ( MutationObserver ) {
 					if ( ! iframeDoc.body ) {
 						iframeDoc.addEventListener( 'DOMContentLoaded', addObserver, false );
 					} else {
 						addObserver();
 					}
 				} else {
 					for ( i = 1; i < 6; i++ ) {
 						setTimeout( resize, i * 700 );
 					}
 				}
 
 				callback && callback.call( self, editor, node );
 			}, rendered );
 		},
 
 		/**
 		 * Sets a loader for all view nodes tied to this view instance.
 		 */
 		setLoader: function( dashicon ) {
 			this.setContent(
 				'<div class="loading-placeholder">' +
 					'<div class="dashicons dashicons-' + ( dashicon || 'admin-media' ) + '"></div>' +
 					'<div class="wpview-loading"><ins></ins></div>' +
 				'</div>'
 			);
 		},
 
 		/**
 		 * Sets an error for all view nodes tied to this view instance.
 		 *
 		 * @param {string} message  The error message to set.
 		 * @param {string} dashicon A dashicon ID. Optional. {@link https://developer.wordpress.org/resource/dashicons/}
 		 */
 		setError: function( message, dashicon ) {
 			this.setContent(
 				'<div class="wpview-error">' +
 					'<div class="dashicons dashicons-' + ( dashicon || 'no' ) + '"></div>' +
 					'<p>' + message + '</p>' +
 				'</div>'
 			);
 		},
 
 		/**
 		 * Tries to find a text match in a given string.
 		 *
 		 * @param {string} content The string to scan.
 		 *
 		 * @return {Object}
 		 */
 		match: function( content ) {
 			var match = shortcode.next( this.type, content );
 
 			if ( match ) {
 				return {
 					index: match.index,
 					content: match.content,
 					options: {
 						shortcode: match.shortcode
 					}
 				};
 			}
 		},
 
 		/**
 		 * Update the text of a given view node.
 		 *
 		 * @param {string}         text   The new text.
 		 * @param {tinymce.Editor} editor The TinyMCE editor instance the view node is in.
 		 * @param {HTMLElement}    node   The view node to update.
 		 * @param {boolean}        force  Recreate the instance. Optional.
 		 */
 		update: function( text, editor, node, force ) {
 			_.find( views, function( view, type ) {
 				var match = view.prototype.match( text );
 
 				if ( match ) {
 					$( node ).data( 'rendered', false );
 					editor.dom.setAttrib( node, 'data-wpview-text', encodeURIComponent( text ) );
 					wp.mce.views.createInstance( type, text, match.options, force ).render();
 
 					editor.selection.select( node );
 					editor.nodeChanged();
 					editor.focus();
 
 					return true;
 				}
 			} );
 		},
 
 		/**
 		 * Remove a given view node from the DOM.
 		 *
 		 * @param {tinymce.Editor} editor The TinyMCE editor instance the view node is in.
 		 * @param {HTMLElement}    node   The view node to remove.
 		 */
 		remove: function( editor, node ) {
 			this.unbindNode.call( this, editor, node );
 			editor.dom.remove( node );
 			editor.focus();
 		}
 	} );
 } )( window, window.wp, window.wp.shortcode, window.jQuery );
 
 /*
  * The WordPress core TinyMCE views.
  * Views for the gallery, audio, video, playlist and embed shortcodes,
  * and a view for embeddable URLs.
  */
 ( function( window, views, media, $ ) {
 	var base, gallery, av, embed,
 		schema, parser, serializer;
 
 	function verifyHTML( string ) {
 		var settings = {};
 
 		if ( ! window.tinymce ) {
 			return string.replace( /<[^>]+>/g, '' );
 		}
 
 		if ( ! string || ( string.indexOf( '<' ) === -1 && string.indexOf( '>' ) === -1 ) ) {
 			return string;
 		}
 
 		schema = schema || new window.tinymce.html.Schema( settings );
 		parser = parser || new window.tinymce.html.DomParser( settings, schema );
 		serializer = serializer || new window.tinymce.html.Serializer( settings, schema );
 
 		return serializer.serialize( parser.parse( string, { forced_root_block: false } ) );
 	}
 
 	base = {
 		state: [],
 
 		edit: function( text, update ) {
 			var type = this.type,
 				frame = media[ type ].edit( text );
 
 			this.pausePlayers && this.pausePlayers();
 
 			_.each( this.state, function( state ) {
 				frame.state( state ).on( 'update', function( selection ) {
 					update( media[ type ].shortcode( selection ).string(), type === 'gallery' );
 				} );
 			} );
 
 			frame.on( 'close', function() {
 				frame.detach();
 			} );
 
 			frame.open();
 		}
 	};
 
 	gallery = _.extend( {}, base, {
 		state: [ 'gallery-edit' ],
 		template: media.template( 'editor-gallery' ),
 
 		initialize: function() {
 			var attachments = media.gallery.attachments( this.shortcode, media.view.settings.post.id ),
 				attrs = this.shortcode.attrs.named,
 				self = this;
 
 			attachments.more()
 			.done( function() {
 				attachments = attachments.toJSON();
 
 				_.each( attachments, function( attachment ) {
 					if ( attachment.sizes ) {
 						if ( attrs.size && attachment.sizes[ attrs.size ] ) {
 							attachment.thumbnail = attachment.sizes[ attrs.size ];
 						} else if ( attachment.sizes.thumbnail ) {
 							attachment.thumbnail = attachment.sizes.thumbnail;
 						} else if ( attachment.sizes.full ) {
 							attachment.thumbnail = attachment.sizes.full;
 						}
 					}
 				} );
 
 				self.render( self.template( {
 					verifyHTML: verifyHTML,
 					attachments: attachments,
 					columns: attrs.columns ? parseInt( attrs.columns, 10 ) : media.galleryDefaults.columns
 				} ) );
 			} )
 			.fail( function( jqXHR, textStatus ) {
 				self.setError( textStatus );
 			} );
 		}
 	} );
 
 	av = _.extend( {}, base, {
 		action: 'parse-media-shortcode',
 
 		initialize: function() {
 			var self = this, maxwidth = null;
 
 			if ( this.url ) {
 				this.loader = false;
 				this.shortcode = media.embed.shortcode( {
 					url: this.text
 				} );
 			}
 
 			// Obtain the target width for the embed.
 			if ( self.editor ) {
 				maxwidth = self.editor.getBody().clientWidth;
 			}
 
 			wp.ajax.post( this.action, {
 				post_ID: media.view.settings.post.id,
 				type: this.shortcode.tag,
 				shortcode: this.shortcode.string(),
 				maxwidth: maxwidth
 			} )
 			.done( function( response ) {
 				self.render( response );
 			} )
 			.fail( function( response ) {
 				if ( self.url ) {
 					self.ignore = true;
 					self.removeMarkers();
 				} else {
 					self.setError( response.message || response.statusText, 'admin-media' );
 				}
 			} );
 
 			this.getEditors( function( editor ) {
 				editor.on( 'wpview-selected', function() {
 					self.pausePlayers();
 				} );
 			} );
 		},
 
 		pausePlayers: function() {
 			this.getNodes( function( editor, node, content ) {
 				var win = $( 'iframe.wpview-sandbox', content ).get( 0 );
 
 				if ( win && ( win = win.contentWindow ) && win.mejs ) {
 					_.each( win.mejs.players, function( player ) {
 						try {
 							player.pause();
 						} catch ( e ) {}
 					} );
 				}
 			} );
 		}
 	} );
 
 	embed = _.extend( {}, av, {
 		action: 'parse-embed',
 
 		edit: function( text, update ) {
 			var frame = media.embed.edit( text, this.url ),
 				self = this;
 
 			this.pausePlayers();
 
 			frame.state( 'embed' ).props.on( 'change:url', function( model, url ) {
 				if ( url && model.get( 'url' ) ) {
 					frame.state( 'embed' ).metadata = model.toJSON();
 				}
 			} );
 
 			frame.state( 'embed' ).on( 'select', function() {
 				var data = frame.state( 'embed' ).metadata;
 
 				if ( self.url ) {
 					update( data.url );
 				} else {
 					update( media.embed.shortcode( data ).string() );
 				}
 			} );
 
 			frame.on( 'close', function() {
 				frame.detach();
 			} );
 
 			frame.open();
 		}
 	} );
 
 	views.register( 'gallery', _.extend( {}, gallery ) );
 
 	views.register( 'audio', _.extend( {}, av, {
 		state: [ 'audio-details' ]
 	} ) );
 
 	views.register( 'video', _.extend( {}, av, {
 		state: [ 'video-details' ]
 	} ) );
 
 	views.register( 'playlist', _.extend( {}, av, {
 		state: [ 'playlist-edit', 'video-playlist-edit' ]
 	} ) );
 
 	views.register( 'embed', _.extend( {}, embed ) );
 
 	views.register( 'embedURL', _.extend( {}, embed, {
 		match: function( content ) {
 			// There may be a "bookmark" node next to the URL...
 			var re = /(^|<p>(?:<span data-mce-type="bookmark"[^>]+>\s*<\/span>)?)(https?:\/\/[^\s"]+?)((?:<span data-mce-type="bookmark"[^>]+>\s*<\/span>)?<\/p>\s*|$)/gi;
 			var match = re.exec( content );
 
 			if ( match ) {
 				return {
 					index: match.index + match[1].length,
 					content: match[2],
 					options: {
 						url: true
 					}
 				};
 			}
 		}
 	} ) );
 } )( window, window.wp.mce.views, window.wp.media, window.jQuery );