michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef nsMenuGroupOwnerX_h_
michael@0: #define nsMenuGroupOwnerX_h_
michael@0: 
michael@0: #import <Cocoa/Cocoa.h>
michael@0: 
michael@0: #include "nsMenuBaseX.h"
michael@0: #include "nsIMutationObserver.h"
michael@0: #include "nsHashKeys.h"
michael@0: #include "nsDataHashtable.h"
michael@0: #include "nsAutoPtr.h"
michael@0: #include "nsString.h"
michael@0: 
michael@0: 
michael@0: class nsMenuX;
michael@0: class nsMenuItemX;
michael@0: class nsChangeObserver;
michael@0: class nsIWidget;
michael@0: class nsIContent;
michael@0: class nsIDocument;
michael@0: 
michael@0: class nsMenuGroupOwnerX : public nsMenuObjectX, public nsIMutationObserver
michael@0: {
michael@0: public:
michael@0:   nsMenuGroupOwnerX();
michael@0:   virtual ~nsMenuGroupOwnerX();
michael@0: 
michael@0:   nsresult Create(nsIContent * aContent);
michael@0: 
michael@0:   void RegisterForContentChanges(nsIContent* aContent,
michael@0:                                  nsChangeObserver* aMenuObject);
michael@0:   void UnregisterForContentChanges(nsIContent* aContent);
michael@0:   uint32_t RegisterForCommand(nsMenuItemX* aItem);
michael@0:   void UnregisterCommand(uint32_t aCommandID);
michael@0:   nsMenuItemX* GetMenuItemForCommandID(uint32_t inCommandID);
michael@0: 
michael@0:   NS_DECL_ISUPPORTS
michael@0:   NS_DECL_NSIMUTATIONOBSERVER
michael@0: 
michael@0: protected:
michael@0:   nsChangeObserver* LookupContentChangeObserver(nsIContent* aContent);
michael@0: 
michael@0:   uint32_t  mCurrentCommandID;  // unique command id (per menu-bar) to
michael@0:                                 // give to next item that asks
michael@0:   nsIDocument* mDocument;       // pointer to document
michael@0: 
michael@0:   // stores observers for content change notification
michael@0:   nsDataHashtable<nsPtrHashKey<nsIContent>, nsChangeObserver *> mContentToObserverTable;
michael@0: 
michael@0:   // stores mapping of command IDs to menu objects
michael@0:   nsDataHashtable<nsUint32HashKey, nsMenuItemX *> mCommandToMenuObjectTable;
michael@0: };
michael@0: 
michael@0: #endif // nsMenuGroupOwner_h_