Ticket #4555: 4555.patch

_source/core/dom/domobject.js

@@ -115 +115 @@
                                         delete nativeListeners[ eventName ];
                                 }
                         }
+                },
+
+                /** @ignore */
+                removeAllListeners : function()
+                {
+                        // Call the original implementation.
+                        CKEDITOR.event.prototype.removeAllListeners.apply( this );
+
+                        var nativeListeners = this.getCustomData( '_cke_nativeListeners' );
+                        for( eventName in nativeListeners)
+                        {
+                                var listener = nativeListeners[ eventName ];
+                                if ( this.$.removeEventListener )
+                                        this.$.removeEventListener( eventName, listener, false );
+                                else if ( this.$.detachEvent )
+                                        this.$.detachEvent( 'on' + eventName, listener );
+
+                                delete nativeListeners[ eventName ];
+                        }
                 }
         };
 })();

_source/core/editor.js

@@ -469 +469 @@
                                 this.updateElement();
 
                         this.theme.destroy( this );
+                        delete this.focusManager._.editor;
+                        delete this.ui._.editor;
+                        this.removeAllListeners();
+
                         this.fire( 'destroy' );
                         CKEDITOR.remove( this );
                         CKEDITOR.fire( 'instanceDestroyed', null, this );

_source/core/event.js

@@ -317 +317 @@
                                 }
                         },
 
+                        removeAllListeners : function()
+                        {
+                                var events = getPrivate( this );
+                                for(e in events)
+                                {
+                                        delete events[ e ];
+                                }
+                        },
                         /**
                          * Checks if there is any listener registered to a given event.
                          * @param {String} eventName The event name.

_source/themes/default/theme.js

@@ -113 +113 @@
                         var container = CKEDITOR.dom.element.createFromHtml( [
                                 '<span' +
                                         ' id="cke_', name, '"' +
-                                        ' onmousedown="return false;"' +
                                         ' class="', editor.skinClass, ' cke_editor_', name, '"' +
                                         ' dir="', editor.lang.dir, '"' +
                                         ' title="', ( CKEDITOR.env.gecko ? ' ' : '' ), '"' +
@@ -136 +135 @@
                                         '</span>' +
                                 '</span>' ].join( '' ) );
 
+                        container.on('mousedown', function( event )
+                                {
+                                        event.data.preventDefault();
+                                } );
+
                         container.getChild( [1, 0, 0, 0, 0] ).unselectable();
                         container.getChild( [1, 0, 0, 0, 2] ).unselectable();
 
@@ -229 +233 @@
                 destroy : function( editor )
                 {
                         var container = editor.container;
+                        container.removeAllListeners();
 
                         /*
                          * IE BUG: Removing the editor DOM elements while the selection is inside
@@ -254 +259 @@
 
                         if ( container )
                                 container.remove();
+                        delete editor.container;
 
                         if ( editor.elementMode == CKEDITOR.ELEMENT_MODE_REPLACE )
-                        {
                                 editor.element.show();
-                                delete editor.element;
-                        }
+
+                        delete editor.element;
                 }
         };
 })() );