Ticket #32593: 32593.2.patch

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

@@ -501 +501 @@
                                         }
                                 } );
 
+                                if ( self.iframeHeight ) {
+                                        dom.add( contentNode, 'div', { style: {
+                                                width: '100%',
+                                                height: self.iframeHeight
+                                        } } );
+                                }
+
                                 // Seems the browsers need a bit of time to insert/set the view nodes,
                                 // or the iframe will fail especially when switching Text => Visual.
                                 setTimeout( function() {
-                                        var iframe, iframeDoc, observer, i;
+                                        var iframe, iframeDoc, observer, i, block;
 
                                         contentNode.innerHTML = '';
 
@@ -518 +525 @@
                                                 style: {
                                                         width: '100%',
                                                         display: 'block'
-                                                }
+                                                },
+                                                height: self.iframeHeight
                                         } );
 
                                         dom.add( contentNode, 'div', { 'class': 'wpview-overlay' } );
@@ -561 +569 @@
                                         iframeDoc.close();
 
                                         function resize() {
-                                                var $iframe, iframeDocHeight;
+                                                var $iframe;
+
+                                                if ( block ) {
+                                                        return;
+                                                }
 
                                                 // Make sure the iframe still exists.
                                                 if ( iframe.contentWindow ) {
                                                         $iframe = $( iframe );
-                                                        iframeDocHeight = $( iframeDoc.body ).height();
+                                                        self.iframeHeight = $( iframeDoc.body ).height();
 
-                                                        if ( $iframe.height() !== iframeDocHeight ) {
-                                                                $iframe.height( iframeDocHeight );
+                                                        if ( $iframe.height() !== self.iframeHeight ) {
+                                                                $iframe.height( self.iframeHeight );
                                                                 editor.nodeChanged();
                                                         }
                                                 }
                                         }
 
+                                        if ( self.iframeHeight ) {
+                                                block = true;
+
+                                                setTimeout( function () {
+                                                        block = false;
+                                                        resize();
+                                                }, 2000 );
+                                        }
+
                                         $( iframe.contentWindow ).on( 'load', resize );
 
                                         if ( MutationObserver ) {