671 lines
18 KiB
C++
671 lines
18 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
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*/
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#include "nsMenu.h"
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#include "nsIComponentManager.h"
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#include "nsIDOMElement.h"
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#include "nsIDOMNode.h"
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#include "nsIMenuBar.h"
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#include "nsIMenuItem.h"
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#include "nsIMenuListener.h"
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#include "nsString.h"
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#include "nsCOMPtr.h"
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#include "nsWidgetsCID.h"
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static NS_DEFINE_CID(kMenuCID, NS_MENU_CID);
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static NS_DEFINE_CID(kMenuItemCID, NS_MENUITEM_CID);
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static NS_DEFINE_IID(kISupportsIID, NS_ISUPPORTS_IID);
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nsresult nsMenu::QueryInterface(REFNSIID aIID, void** aInstancePtr)
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{
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if (NULL == aInstancePtr) {
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return NS_ERROR_NULL_POINTER;
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}
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*aInstancePtr = NULL;
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if (aIID.Equals(nsIMenu::GetIID())) {
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*aInstancePtr = (void*)(nsIMenu*) 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*)(nsIMenu*)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(nsIMenuListener::GetIID())) {
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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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return NS_NOINTERFACE;
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}
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NS_IMPL_ADDREF(nsMenu)
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NS_IMPL_RELEASE(nsMenu)
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//-------------------------------------------------------------------------
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//
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// nsMenu constructor
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//
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//-------------------------------------------------------------------------
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nsMenu::nsMenu() : nsIMenu()
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{
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NS_INIT_REFCNT();
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mMenu = nsnull;
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mMenuBarParent = nsnull;
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mMenuParent = nsnull;
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mListener = nsnull;
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NS_NewISupportsArray(&mItems);
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mDOMNode = nsnull;
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mWebShell = nsnull;
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mDOMElement = nsnull;
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}
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//-------------------------------------------------------------------------
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//
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// nsMenu destructor
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//
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//-------------------------------------------------------------------------
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nsMenu::~nsMenu()
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{
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NS_IF_RELEASE(mMenuBarParent);
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NS_IF_RELEASE(mMenuParent);
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NS_IF_RELEASE(mListener);
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// Remove all references to the items
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mItems->Clear();
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}
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//-------------------------------------------------------------------------
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//
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// Create the proper widget
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//
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//-------------------------------------------------------------------------
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NS_METHOD nsMenu::Create(nsISupports *aParent, const nsString &aLabel)
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{
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if(aParent)
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{
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nsIMenuBar * menubar = nsnull;
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aParent->QueryInterface(nsIMenuBar::GetIID(), (void**) &menubar);
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if(menubar)
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{
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mMenuBarParent = menubar;
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NS_RELEASE(menubar);
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}
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else
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{
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nsIMenu * menu = nsnull;
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aParent->QueryInterface(nsIMenu::GetIID(), (void**) &menu);
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if(menu)
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{
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mMenuParent = menu;
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NS_RELEASE(menu);
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}
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}
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}
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mLabel = aLabel;
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char *str = mLabel.ToNewCString();
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mMenu = new BMenu(str);
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delete [] str;
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return NS_OK;
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}
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//-------------------------------------------------------------------------
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NS_METHOD nsMenu::GetParent(nsISupports*& aParent)
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{
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aParent = nsnull;
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if (nsnull != mMenuParent) {
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return mMenuParent->QueryInterface(kISupportsIID,(void**)&aParent);
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} else if (nsnull != mMenuBarParent) {
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return mMenuBarParent->QueryInterface(kISupportsIID,(void**)&aParent);
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}
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return NS_ERROR_FAILURE;
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}
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//-------------------------------------------------------------------------
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NS_METHOD nsMenu::GetLabel(nsString &aText)
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{
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aText = mLabel;
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return NS_OK;
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}
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//-------------------------------------------------------------------------
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NS_METHOD nsMenu::SetLabel(const nsString &aText)
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{
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mLabel = aText;
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return NS_OK;
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}
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//-------------------------------------------------------------------------
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NS_METHOD nsMenu::GetAccessKey(nsString &aText)
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{
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return NS_OK;
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}
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//-------------------------------------------------------------------------
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NS_METHOD nsMenu::SetAccessKey(const nsString &aText)
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{
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return NS_OK;
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}
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//-------------------------------------------------------------------------
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/**
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* Set enabled state
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*
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*/
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NS_METHOD nsMenu::SetEnabled(PRBool aIsEnabled)
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{
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return NS_OK;
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}
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//-------------------------------------------------------------------------
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NS_METHOD nsMenu::AddItem(nsISupports * aItem)
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{
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if(aItem)
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{
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nsIMenuItem * menuitem = nsnull;
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aItem->QueryInterface(nsIMenuItem::GetIID(),
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(void**)&menuitem);
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if(menuitem)
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{
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AddMenuItem(menuitem); // nsMenu now owns this
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NS_RELEASE(menuitem);
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}
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else
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{
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nsIMenu * menu = nsnull;
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aItem->QueryInterface(nsIMenu::GetIID(),
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(void**)&menu);
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if(menu)
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{
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AddMenu(menu); // nsMenu now owns this
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NS_RELEASE(menu);
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}
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}
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}
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return NS_OK;
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}
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//-------------------------------------------------------------------------
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NS_METHOD nsMenu::AddSeparator()
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{
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// Create nsMenuItem
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nsIMenuItem * pnsMenuItem = nsnull;
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nsresult rv = nsComponentManager::CreateInstance(
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kMenuItemCID, nsnull, nsIMenuItem::GetIID(), (void**)&pnsMenuItem);
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if (NS_OK == rv) {
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nsString tmp = "menuseparator";
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nsISupports * supports = nsnull;
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QueryInterface(kISupportsIID, (void**) &supports);
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pnsMenuItem->Create(supports, tmp, PR_TRUE);
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NS_RELEASE(supports);
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pnsMenuItem->QueryInterface(kISupportsIID, (void**) &supports);
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AddItem(supports); // Parent should now own menu item
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NS_RELEASE(supports);
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NS_RELEASE(pnsMenuItem);
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}
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return NS_OK;
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}
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//-------------------------------------------------------------------------
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// This does not return a ref counted object
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// This is NOT an nsIMenu method
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nsIMenuBar * nsMenu::GetMenuBar(nsIMenu * aMenu)
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{
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if (!aMenu) {
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return nsnull;
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}
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nsMenu * menu = (nsMenu *)aMenu;
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if (menu->GetMenuBarParent()) {
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return menu->GetMenuBarParent();
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}
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if (menu->GetMenuParent()) {
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return GetMenuBar(menu->GetMenuParent());
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}
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return nsnull;
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}
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//-------------------------------------------------------------------------
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// This does not return a ref counted object
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// This is NOT an nsIMenu method
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nsIWidget * nsMenu::GetParentWidget()
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{
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nsIWidget * parent = nsnull;
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nsIMenuBar * menuBar = GetMenuBar(this);
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if (menuBar) {
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menuBar->GetParent(parent);
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}
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return parent;
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}
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//-------------------------------------------------------------------------
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NS_METHOD nsMenu::AddMenuItem(nsIMenuItem * aMenuItem)
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{
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PRUint32 cnt;
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nsresult rv = mItems->Count(&cnt);
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if (NS_FAILED(rv)) return rv;
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return InsertItemAt(cnt, (nsISupports *)aMenuItem);
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}
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//-------------------------------------------------------------------------
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NS_METHOD nsMenu::AddMenu(nsIMenu * aMenu)
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{
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PRUint32 cnt;
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nsresult rv = mItems->Count(&cnt);
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if (NS_FAILED(rv)) return rv;
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return InsertItemAt(cnt, (nsISupports *)aMenu);
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}
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//-------------------------------------------------------------------------
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NS_METHOD nsMenu::GetItemCount(PRUint32 &aCount)
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{
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return mItems->Count(&aCount);
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}
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//-------------------------------------------------------------------------
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NS_METHOD nsMenu::GetItemAt(const PRUint32 aCount, nsISupports *& aMenuItem)
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{
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aMenuItem = (nsISupports *)mItems->ElementAt(aCount);
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return NS_OK;
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}
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//-------------------------------------------------------------------------
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NS_METHOD nsMenu::InsertItemAt(const PRUint32 aCount, nsISupports * aMenuItem)
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{
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bool status = false;
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mItems->InsertElementAt(aMenuItem, (PRInt32)aCount);
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nsCOMPtr<nsIMenuItem> menuItem(do_QueryInterface(aMenuItem));
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if (menuItem) {
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BMenuItem *it;
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void *data;
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menuItem->GetNativeData(data);
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it = (BMenuItem *)data;
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mMenu->AddItem(it, aCount);
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status = true;
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} else {
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nsCOMPtr<nsIMenu> menu(do_QueryInterface(aMenuItem));
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if (menu) {
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BMenu *m;
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void *data;
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menu->GetNativeData(&data);
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m = (BMenu *)data;
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mMenu->AddItem(m, aCount);
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status = true;
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}
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}
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return (status ? NS_OK : NS_ERROR_FAILURE);
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}
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//-------------------------------------------------------------------------
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NS_METHOD nsMenu::RemoveItem(const PRUint32 aCount)
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{
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printf("nsMenu::RemoveItem - FIXME: not implemented\n");
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#if 0
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//nsISupports * supports = (nsISupports *)mItems->ElementAt(aCount);
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mItems->RemoveElementAt(aCount);
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return (::RemoveMenu(mMenu, aCount, MF_BYPOSITION) ? NS_OK:NS_ERROR_FAILURE);
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#endif
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return NS_OK;
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}
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//-------------------------------------------------------------------------
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NS_METHOD nsMenu::RemoveAll()
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{
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printf("nsMenu::RemoveAll - FIXME: not implemented\n");
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#if 0
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while (mItems->Count()) {
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mItems->RemoveElementAt(0);
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::RemoveMenu(mMenu, 0, MF_BYPOSITION);
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}
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#endif
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return NS_OK;
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}
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//-------------------------------------------------------------------------
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NS_METHOD nsMenu::GetNativeData(void ** aData)
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{
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*aData = (void *)mMenu;
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return NS_OK;
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}
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//-------------------------------------------------------------------------
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NS_METHOD nsMenu::SetNativeData(void * aData)
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{
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return NS_OK;
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}
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//-------------------------------------------------------------------------
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NS_METHOD nsMenu::AddMenuListener(nsIMenuListener * aMenuListener)
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{
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mListener = aMenuListener;
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NS_ADDREF(mListener);
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return NS_OK;
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}
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//-------------------------------------------------------------------------
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NS_METHOD nsMenu::RemoveMenuListener(nsIMenuListener * aMenuListener)
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{
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if (aMenuListener == mListener) {
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NS_IF_RELEASE(mListener);
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}
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return NS_OK;
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}
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//-------------------------------------------------------------------------
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// nsIMenuListener interface
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//-------------------------------------------------------------------------
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nsEventStatus nsMenu::MenuItemSelected(const nsMenuEvent & aMenuEvent)
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{
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if (nsnull != mListener) {
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mListener->MenuSelected(aMenuEvent);
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}
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return nsEventStatus_eIgnore;
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}
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nsEventStatus nsMenu::MenuSelected(const nsMenuEvent & aMenuEvent)
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{
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if (nsnull != mListener) {
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mListener->MenuSelected(aMenuEvent);
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}
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return nsEventStatus_eIgnore;
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}
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//-------------------------------------------------------------------------
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nsEventStatus nsMenu::MenuDeselected(const nsMenuEvent & aMenuEvent)
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{
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if (nsnull != mListener) {
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mListener->MenuDeselected(aMenuEvent);
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}
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return nsEventStatus_eIgnore;
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}
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//-------------------------------------------------------------------------
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nsEventStatus nsMenu::MenuConstruct(const nsMenuEvent & aMenuEvent,
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nsIWidget * aParentWindow,
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void * menuNode,
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void * aWebShell)
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{
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//g_print("nsMenu::MenuConstruct called \n");
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if(menuNode){
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SetDOMNode((nsIDOMNode*)menuNode);
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}
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if(!aWebShell){
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aWebShell = mWebShell;
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}
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// First open the menu.
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nsCOMPtr<nsIDOMElement> domElement = do_QueryInterface(mDOMNode);
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if (domElement)
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domElement->SetAttribute("open", "true");
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/// Now get the kids. Retrieve our menupopup child.
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nsCOMPtr<nsIDOMNode> menuPopupNode;
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mDOMNode->GetFirstChild(getter_AddRefs(menuPopupNode));
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while (menuPopupNode) {
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nsCOMPtr<nsIDOMElement> menuPopupElement(do_QueryInterface(menuPopupNode));
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if (menuPopupElement) {
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nsString menuPopupNodeType;
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menuPopupElement->GetNodeName(menuPopupNodeType);
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if (menuPopupNodeType.Equals("menupopup"))
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break;
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}
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nsCOMPtr<nsIDOMNode> oldMenuPopupNode(menuPopupNode);
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oldMenuPopupNode->GetNextSibling(getter_AddRefs(menuPopupNode));
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}
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if (!menuPopupNode)
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return nsEventStatus_eIgnore;
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nsCOMPtr<nsIDOMNode> menuitemNode;
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menuPopupNode->GetFirstChild(getter_AddRefs(menuitemNode));
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unsigned short menuIndex = 0;
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while (menuitemNode) {
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nsCOMPtr<nsIDOMElement> menuitemElement(do_QueryInterface(menuitemNode));
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if (menuitemElement) {
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nsString menuitemNodeType;
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nsString menuitemName;
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menuitemElement->GetNodeName(menuitemNodeType);
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if (menuitemNodeType.Equals("menuitem")) {
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// LoadMenuItem
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LoadMenuItem(this,
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menuitemElement,
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menuitemNode,
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menuIndex,
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(nsIWebShell*)aWebShell);
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} else if (menuitemNodeType.Equals("menuseparator")) {
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AddSeparator();
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} else if (menuitemNodeType.Equals("menu")) {
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// Load a submenu
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LoadSubMenu(this, menuitemElement, menuitemNode);
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}
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}
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++menuIndex;
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nsCOMPtr<nsIDOMNode> oldmenuitemNode(menuitemNode);
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oldmenuitemNode->GetNextSibling(getter_AddRefs(menuitemNode));
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} // end menu item innner loop
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return nsEventStatus_eIgnore;
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}
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//-------------------------------------------------------------------------
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nsEventStatus nsMenu::MenuDestruct(const nsMenuEvent & aMenuEvent)
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{
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// Close the node.
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nsCOMPtr<nsIDOMElement> domElement = do_QueryInterface(mDOMNode);
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if (domElement)
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domElement->RemoveAttribute("open");
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//g_print("nsMenu::MenuDestruct called \n");
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RemoveAll();
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return nsEventStatus_eIgnore;
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}
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//-------------------------------------------------------------------------
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/**
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* Set DOMNode
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*
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*/
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NS_METHOD nsMenu::SetDOMNode(nsIDOMNode * aMenuNode)
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{
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mDOMNode = aMenuNode;
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return NS_OK;
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}
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//-------------------------------------------------------------------------
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/**
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* Set DOMElement
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*
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*/
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NS_METHOD nsMenu::SetDOMElement(nsIDOMElement * aMenuElement)
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{
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mDOMElement = aMenuElement;
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return NS_OK;
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}
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//-------------------------------------------------------------------------
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/**
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* Set WebShell
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*
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*/
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NS_METHOD nsMenu::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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void nsMenu::LoadMenuItem(nsIMenu * pParentMenu,
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nsIDOMElement * menuitemElement,
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nsIDOMNode * menuitemNode,
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unsigned short menuitemIndex,
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nsIWebShell * aWebShell)
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{
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static const char* NS_STRING_TRUE = "true";
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nsString disabled;
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nsString menuitemName;
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nsString menuitemCmd;
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menuitemElement->GetAttribute(nsAutoString("disabled"), disabled);
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menuitemElement->GetAttribute(nsAutoString("value"), menuitemName);
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menuitemElement->GetAttribute(nsAutoString("cmd"), menuitemCmd);
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// Create nsMenuItem
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nsIMenuItem * pnsMenuItem = nsnull;
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nsresult rv = nsComponentManager::CreateInstance(kMenuItemCID,
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nsnull,
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nsIMenuItem::GetIID(),
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(void**)&pnsMenuItem);
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if (NS_OK == rv) {
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pnsMenuItem->Create(pParentMenu, menuitemName, PR_FALSE);
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nsISupports * supports = nsnull;
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pnsMenuItem->QueryInterface(kISupportsIID, (void**) &supports);
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pParentMenu->AddItem(supports); // Parent should now own menu item
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NS_RELEASE(supports);
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if(disabled == NS_STRING_TRUE ) {
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pnsMenuItem->SetEnabled(PR_FALSE);
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}
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|
|
|
// Create MenuDelegate - this is the intermediator inbetween
|
|
// the DOM node and the nsIMenuItem
|
|
// The nsWebShellWindow wacthes for Document changes and then notifies the
|
|
// the appropriate nsMenuDelegate object
|
|
nsCOMPtr<nsIDOMElement> domElement(do_QueryInterface(menuitemNode));
|
|
if (!domElement) {
|
|
//return NS_ERROR_FAILURE;
|
|
return;
|
|
}
|
|
|
|
nsAutoString cmdAtom("oncommand");
|
|
nsString cmdName;
|
|
|
|
domElement->GetAttribute(cmdAtom, cmdName);
|
|
|
|
pnsMenuItem->SetCommand(cmdName);
|
|
// DO NOT use passed in webshell because of messed up windows dynamic loading
|
|
// code.
|
|
pnsMenuItem->SetWebShell(mWebShell);
|
|
pnsMenuItem->SetDOMElement(domElement);
|
|
|
|
NS_RELEASE(pnsMenuItem);
|
|
|
|
}
|
|
return;
|
|
}
|
|
|
|
//----------------------------------------
|
|
void nsMenu::LoadSubMenu(nsIMenu * pParentMenu,
|
|
nsIDOMElement * menuElement,
|
|
nsIDOMNode * menuNode)
|
|
{
|
|
nsString menuName;
|
|
menuElement->GetAttribute(nsAutoString("value"), menuName);
|
|
//printf("Creating Menu [%s] \n", menuName.ToNewCString()); // this leaks
|
|
|
|
// Create nsMenu
|
|
nsIMenu * pnsMenu = nsnull;
|
|
nsresult rv = nsComponentManager::CreateInstance(kMenuCID,
|
|
nsnull,
|
|
nsIMenu::GetIID(),
|
|
(void**)&pnsMenu);
|
|
if (NS_OK == rv) {
|
|
// Call Create
|
|
nsISupports * supports = nsnull;
|
|
pParentMenu->QueryInterface(kISupportsIID, (void**) &supports);
|
|
pnsMenu->Create(supports, menuName);
|
|
NS_RELEASE(supports); // Balance QI
|
|
|
|
// Set nsMenu Name
|
|
pnsMenu->SetLabel(menuName);
|
|
|
|
supports = nsnull;
|
|
pnsMenu->QueryInterface(kISupportsIID, (void**) &supports);
|
|
pParentMenu->AddItem(supports); // parent takes ownership
|
|
NS_RELEASE(supports);
|
|
|
|
pnsMenu->SetWebShell(mWebShell);
|
|
pnsMenu->SetDOMNode(menuNode);
|
|
|
|
/*
|
|
// Begin menuitem inner loop
|
|
unsigned short menuIndex = 0;
|
|
|
|
nsCOMPtr<nsIDOMNode> menuitemNode;
|
|
menuNode->GetFirstChild(getter_AddRefs(menuitemNode));
|
|
while (menuitemNode) {
|
|
nsCOMPtr<nsIDOMElement> menuitemElement(do_QueryInterface(menuitemNode));
|
|
if (menuitemElement) {
|
|
nsString menuitemNodeType;
|
|
menuitemElement->GetNodeName(menuitemNodeType);
|
|
|
|
#ifdef DEBUG_saari
|
|
printf("Type [%s] %d\n", menuitemNodeType.ToNewCString(), menuitemNodeType.Equals("menuseparator"));
|
|
#endif
|
|
|
|
if (menuitemNodeType.Equals("menuitem")) {
|
|
// Load a menuitem
|
|
LoadMenuItem(pnsMenu, menuitemElement, menuitemNode, menuIndex, mWebShell);
|
|
} else if (menuitemNodeType.Equals("menuseparator")) {
|
|
pnsMenu->AddSeparator();
|
|
} else if (menuitemNodeType.Equals("menu")) {
|
|
// Add a submenu
|
|
LoadSubMenu(pnsMenu, menuitemElement, menuitemNode);
|
|
}
|
|
}
|
|
++menuIndex;
|
|
nsCOMPtr<nsIDOMNode> oldmenuitemNode(menuitemNode);
|
|
oldmenuitemNode->GetNextSibling(getter_AddRefs(menuitemNode));
|
|
} // end menu item innner loop
|
|
*/
|
|
}
|
|
}
|