pjs/widget/cocoa/nsMenuGroupOwnerX.h

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Objective-C

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Josh Aas <josh@mozilla.com>
* Thomas K. Dyas <tom.dyas@gmail.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
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* ***** END LICENSE BLOCK ***** */
#ifndef nsMenuGroupOwnerX_h_
#define nsMenuGroupOwnerX_h_
#import <Cocoa/Cocoa.h>
#include "nsMenuBaseX.h"
#include "nsIMutationObserver.h"
#include "nsHashtable.h"
#include "nsHashKeys.h"
#include "nsDataHashtable.h"
#include "nsAutoPtr.h"
#include "nsString.h"
class nsMenuX;
class nsMenuItemX;
class nsChangeObserver;
class nsIWidget;
class nsIContent;
class nsIDocument;
class nsMenuGroupOwnerX : public nsMenuObjectX, public nsIMutationObserver
{
public:
nsMenuGroupOwnerX();
virtual ~nsMenuGroupOwnerX();
nsresult Create(nsIContent * aContent);
void RegisterForContentChanges(nsIContent* aContent,
nsChangeObserver* aMenuObject);
void UnregisterForContentChanges(nsIContent* aContent);
PRUint32 RegisterForCommand(nsMenuItemX* aItem);
void UnregisterCommand(PRUint32 aCommandID);
nsMenuItemX* GetMenuItemForCommandID(PRUint32 inCommandID);
NS_DECL_ISUPPORTS
NS_DECL_NSIMUTATIONOBSERVER
protected:
nsChangeObserver* LookupContentChangeObserver(nsIContent* aContent);
PRUint32 mCurrentCommandID; // unique command id (per menu-bar) to
// give to next item that asks
nsIDocument* mDocument; // pointer to document
// stores observers for content change notification
nsDataHashtable<nsPtrHashKey<nsIContent>, nsChangeObserver *> mContentToObserverTable;
// stores mapping of command IDs to menu objects
nsDataHashtable<nsUint32HashKey, nsMenuItemX *> mCommandToMenuObjectTable;
};
#endif // nsMenuGroupOwner_h_