gecko/widget/cocoa/nsMenuGroupOwnerX.h

64 lines
2.0 KiB
Objective-C

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef nsMenuGroupOwnerX_h_
#define nsMenuGroupOwnerX_h_
#import <Cocoa/Cocoa.h>
#include "nsMenuBaseX.h"
#include "nsIMutationObserver.h"
#include "nsHashKeys.h"
#include "nsDataHashtable.h"
#include "nsAutoPtr.h"
#include "nsString.h"
class nsMenuItemX;
class nsChangeObserver;
class nsIWidget;
class nsIContent;
class nsMenuGroupOwnerX : public nsMenuObjectX, public nsIMutationObserver
{
public:
nsMenuGroupOwnerX();
nsresult Create(nsIContent * aContent);
void RegisterForContentChanges(nsIContent* aContent,
nsChangeObserver* aMenuObject);
void UnregisterForContentChanges(nsIContent* aContent);
uint32_t RegisterForCommand(nsMenuItemX* aItem);
void UnregisterCommand(uint32_t aCommandID);
nsMenuItemX* GetMenuItemForCommandID(uint32_t inCommandID);
void AddMenuItemInfoToSet(MenuItemInfo* info);
NS_DECL_ISUPPORTS
NS_DECL_NSIMUTATIONOBSERVER
protected:
virtual ~nsMenuGroupOwnerX();
nsChangeObserver* LookupContentChangeObserver(nsIContent* aContent);
uint32_t mCurrentCommandID; // unique command id (per menu-bar) to
// give to next item that asks
// stores observers for content change notification
nsDataHashtable<nsPtrHashKey<nsIContent>, nsChangeObserver *> mContentToObserverTable;
// stores mapping of command IDs to menu objects
nsDataHashtable<nsUint32HashKey, nsMenuItemX *> mCommandToMenuObjectTable;
// Stores references to all the MenuItemInfo objects created with weak
// references to us. They may live longer than we do, so when we're
// destroyed we need to clear all their weak references. This avoids
// crashes in -[NativeMenuItemTarget menuItemHit:]. See bug 1131473.
NSMutableSet* mInfoSet;
};
#endif // nsMenuGroupOwner_h_