226 lines
6.4 KiB
C++
226 lines
6.4 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS IS"
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* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
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* the License for the specific language governing rights and limitations
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* under the License.
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*
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* The Original Code is Mozilla Communicator client code.
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*
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* The Initial Developer of the Original Code is Netscape Communications
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* Corporation. Portions created by Netscape are Copyright (C) 1998
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* Netscape Communications Corporation. All Rights Reserved.
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*/
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#include "nsIDOMNode.h"
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#include "nsIMenuItem.h"
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#include "nsDOMEvent.h"
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#include "nsGUIEvent.h"
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#include "nsIContentViewerContainer.h"
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#include "nsIContentViewer.h"
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#include "nsIDocumentViewer.h"
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#include "nsIPresContext.h"
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#include "nsIContent.h"
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#include "nsCOMPtr.h"
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#include "nsIComponentManager.h"
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#include "nsXULCommand.h"
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#define DEBUG_MENUSDEL 1
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//----------------------------------------------------------------------
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// Class IID's
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// IID's
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static NS_DEFINE_IID(kIDOMNodeIID, NS_IDOMNODE_IID);
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static NS_DEFINE_IID(kISupportsIID, NS_ISUPPORTS_IID);
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static NS_DEFINE_IID(kIXULCommandIID, NS_IXULCOMMAND_IID);
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//----------------------------------------------------------------------
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nsXULCommand::nsXULCommand()
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{
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NS_INIT_REFCNT();
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mMenuItem = nsnull;
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}
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//----------------------------------------------------------------------
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nsXULCommand::~nsXULCommand()
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{
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//NS_IF_RELEASE(mMenuItem);
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}
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//----------------------------------------------------------------------
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NS_IMPL_ADDREF(nsXULCommand)
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NS_IMPL_RELEASE(nsXULCommand)
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//----------------------------------------------------------------------
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nsresult
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nsXULCommand::QueryInterface(REFNSIID aIID, void** aInstancePtr)
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{
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//nsresult rv = NS_NOINTERFACE;
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if (NULL == aInstancePtr) {
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return NS_ERROR_NULL_POINTER;
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}
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if (aIID.Equals(kIMenuListenerIID)) {
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*aInstancePtr = (void*)(nsIMenuListener*)this;
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NS_ADDREF_THIS();
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return NS_OK;
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}
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if (aIID.Equals(kIXULCommandIID)) {
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*aInstancePtr = (void*)(nsIXULCommand*)this;
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NS_ADDREF_THIS();
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return NS_OK;
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}
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if (aIID.Equals(kISupportsIID)) {
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*aInstancePtr = (void*)(nsISupports*)this;
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NS_ADDREF_THIS();
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return NS_OK;
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}
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return NS_ERROR_NO_INTERFACE;
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}
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//----------------------------------------------------------------------
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NS_IMETHODIMP nsXULCommand::GetDOMElement(nsIDOMElement ** aDOMElement)
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{
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*aDOMElement = mDOMElement;
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return NS_OK;
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}
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//----------------------------------------------------------------------
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NS_IMETHODIMP nsXULCommand::SetCommand(const nsString & aStrCmd)
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{
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mCommandStr = aStrCmd;
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return NS_OK;
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}
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//----------------------------------------------------------------------
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NS_IMETHODIMP nsXULCommand::SetMenuItem(nsIMenuItem * aMenuItem)
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{
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mMenuItem = aMenuItem;
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//NS_ADDREF(mMenuItem);
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return NS_OK;
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}
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//----------------------------------------------------------------------
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NS_IMETHODIMP nsXULCommand::AttributeHasBeenSet(const nsString & aAttr)
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{
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nsAutoString value;
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mDOMElement->GetAttribute(aAttr, value);
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if (DEBUG_MENUSDEL) printf("New value is [%s]=[%s]\n", aAttr.ToNewCString(), value.ToNewCString());
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if (aAttr.Equals("disabled")) {
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mMenuItem->SetEnabled((PRBool)(!value.Equals("true")));
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}
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return NS_OK;
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}
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//----------------------------------------------------------------------
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NS_IMETHODIMP nsXULCommand::DoCommand()
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{
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nsresult rv = NS_ERROR_FAILURE;
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nsCOMPtr<nsIContentViewerContainer> contentViewerContainer;
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contentViewerContainer = do_QueryInterface(mWebShell);
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if (!contentViewerContainer) {
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NS_ERROR("Webshell doesn't support the content viewer container interface");
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return rv;
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}
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nsCOMPtr<nsIContentViewer> contentViewer;
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if (NS_FAILED(rv = contentViewerContainer->GetContentViewer(getter_AddRefs(contentViewer)))) {
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NS_ERROR("Unable to retrieve content viewer.");
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return rv;
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}
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nsCOMPtr<nsIDocumentViewer> docViewer;
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docViewer = do_QueryInterface(contentViewer);
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if (!docViewer) {
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NS_ERROR("Document viewer interface not supported by the content viewer.");
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return rv;
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}
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nsCOMPtr<nsIPresContext> presContext;
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if (NS_FAILED(rv = docViewer->GetPresContext(*getter_AddRefs(presContext)))) {
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NS_ERROR("Unable to retrieve the doc viewer's presentation context.");
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return rv;
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}
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nsEventStatus status = nsEventStatus_eIgnore;
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nsMouseEvent event;
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event.eventStructType = NS_MOUSE_EVENT;
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event.message = NS_MENU_ACTION;
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nsCOMPtr<nsIContent> contentNode;
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contentNode = do_QueryInterface(mDOMElement);
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if (!contentNode) {
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NS_ERROR("DOM Node doesn't support the nsIContent interface required to handle DOM events.");
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return rv;
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}
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rv = contentNode->HandleDOMEvent(*presContext, &event, nsnull, NS_EVENT_FLAG_INIT, status);
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return rv;
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}
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//----------------------------------------------------------------------
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NS_IMETHODIMP nsXULCommand::SetWebShell(nsIWebShell * aWebShell)
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{
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mWebShell = aWebShell;
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return NS_OK;
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}
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//----------------------------------------------------------------------
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NS_IMETHODIMP nsXULCommand::SetDOMElement(nsIDOMElement * aDOMElement)
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{
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mDOMElement = aDOMElement;
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return NS_OK;
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}
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/////////////////////////////////////////////////////////////////////////
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// nsIMenuListener Method(s)
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/////////////////////////////////////////////////////////////////////////
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nsEventStatus nsXULCommand::MenuItemSelected(const nsMenuEvent & aMenuEvent)
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{
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DoCommand();
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return nsEventStatus_eConsumeNoDefault;
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}
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nsEventStatus nsXULCommand::MenuSelected(const nsMenuEvent & aMenuEvent)
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{
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DoCommand();
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return nsEventStatus_eConsumeNoDefault;
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}
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nsEventStatus nsXULCommand::MenuDeselected(const nsMenuEvent & aMenuEvent)
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{
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DoCommand();
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return nsEventStatus_eConsumeNoDefault;
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}
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nsEventStatus nsXULCommand::MenuConstruct(
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const nsMenuEvent & aMenuEvent,
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nsIWidget * aParentWindow,
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void * menubarNode,
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void * aWebShell)
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{
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DoCommand();
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return nsEventStatus_eConsumeNoDefault;
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}
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nsEventStatus nsXULCommand::MenuDestruct(const nsMenuEvent & aMenuEvent)
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{
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DoCommand();
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return nsEventStatus_eConsumeNoDefault;
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}
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