Ticket #28905: 28905.4.patch

src/wp-includes/js/mce-view.js

@@ -162 +162 @@
                                         iframeDoc.close();
 
                                         resize = function() {
-                                                $( iframe ).height( $( iframeDoc.body ).height() );
+                                                // Make sure the iframe still exists.
+                                                iframe.contentWindow && $( iframe ).height( $( iframeDoc.body ).height() );
                                         };
 
                                         if ( MutationObserver ) {
@@ -515 +516 @@
                                 $( document ).on( 'media:edit', this.pausePlayers );
                         },
 
-                        setNode: function ( event, editor, node ) {
-                                if ( node ) {
-                                        this.node = node;
-                                }
+                        setNode: function ( event, editor ) {
                                 editor.on( 'hide', this.pausePlayers );
 
                                 if ( this.parsed ) {
@@ -576 +574 @@
                         },
 
                         pausePlayers: function() {
-                                var p, win = $( 'iframe', this.node ).get(0).contentWindow;
-                                if ( win && win.mejs ) {
-                                        for ( p in win.mejs.players ) {
-                                                win.mejs.players[p].pause();
+                                this.getNodes( function( editor, node ) {
+                                        var p, win = $( 'iframe', node ).get(0).contentWindow;
+
+                                        if ( win && win.mejs ) {
+                                                for ( p in win.mejs.players ) {
+                                                        win.mejs.players[p].pause();
+                                                }
                                         }
-                                }
+                                });
                         },
 
                         unsetPlayers: function() {
-                                var p, win = $( 'iframe', this.node ).get(0).contentWindow;
-                                if ( win && win.mejs ) {
-                                        for ( p in win.mejs.players ) {
-                                                win.mejs.players[p].remove();
+                                this.getNodes( function( editor, node ) {
+                                        var p, win = $( 'iframe', node ).get(0).contentWindow;
+
+                                        if ( win && win.mejs ) {
+                                                for ( p in win.mejs.players ) {
+                                                        win.mejs.players[p].remove();
+                                                }
                                         }
-                                }
+                                });
                         },
 
                         unbind: function() {