Ticket #4459: 4459_2.patch

_source/plugins/maximize/plugin.js

@@ -211 +211 @@
 
                                                         // Add cke_maximized class.
                                                         container.addClass( 'cke_maximized' );
+                                                        container.iframeShim();
                                                 }
                                                 else if ( this.state == CKEDITOR.TRISTATE_ON )  // Restore from fullscreen if the state is on.
                                                 {
@@ -239 +240 @@
 
                                                         // Remove cke_maximized class.
                                                         container.removeClass( 'cke_maximized' );
+                                                        container.iframeShim();
 
                                                         // Emit a resize event, because this time the size is modified in
                                                         // restoreStyles.

_source/core/dom/element.js

@@ -1437 +1437 @@
                                         if ( !event.data.getTarget().hasClass( 'cke_enable_context_menu' ) )
                                                 event.data.preventDefault();
                                 } );
-                }
+                },
+
+                /**
+                 * Adding an iframe shim to this element, OR removing the existing one if already applied.
+                 * Note: This will only affect IE version below 7.
+                 */
+                iframeShim : function()
+                {
+                        if ( CKEDITOR.env.ie && CKEDITOR.env.ie.version > 6 )
+                                return false;
+
+                        var existingShim;
+                        if ( existingShim = this.getCustomData( 'cke_iframe_shim' ) )
+                        {
+                                this.removeCustomData( 'cke_iframe_shim' );
+                                this.getDocument().getById( existingShim ).remove();
+                                return true;
+                        }
+                        
+                        var id = 'cke_iframe_shim_' + CKEDITOR.tools.getNextNumber(),
+                                        shim = '<iframe id="' + id + '" frameborder="0" tabindex="-1"' +
+                                                ' src="javascript:' +
+                                                   'void((function(){' +
+                                                           'document.open();' +
+                                                           ( CKEDITOR.env.isCustomDomain() ? 'document.domain=\'' + this.getDocument().$.domain + '\';' : '' ) +
+                                                           'document.close();' +
+                                                   '})())"' +
+                                                ' style="display:block;position:fixed;z-index:-1;' +
+                                                'top:expression(((parseInt(this.parentNode.currentStyle.borderTopWidth)||0)*-1)+\'px\');' +
+                                                'left:expression(((parseInt(this.parentNode.currentStyle.borderLeftWidth)||0)*-1)+\'px\');' +
+                                                'width:expression(this.parentNode.offsetWidth+\'px\');' +
+                                                'height:expression(this.parentNode.offsetHeight+\'px\');' +
+                                                   'progid:DXImageTransform.Microsoft.Alpha(opacity=0);' +
+                                                '"></iframe>';
+
+
+                        this.setCustomData( 'cke_iframe_shim', id );
+                        return this.append( CKEDITOR.dom.element.createFromHtml( shim ), true );
+                }
         });