gecko-dev/widget/cocoa/nsMenuX.h

104 строки
3.6 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 nsMenuX_h_
#define nsMenuX_h_
#import <Cocoa/Cocoa.h>
#include "nsMenuBaseX.h"
#include "nsMenuBarX.h"
#include "nsMenuGroupOwnerX.h"
#include "nsCOMPtr.h"
#include "nsChangeObserver.h"
#include "nsAutoPtr.h"
class nsMenuX;
class nsMenuItemIconX;
class nsMenuItemX;
class nsIWidget;
// MenuDelegate is used to receive Cocoa notifications for setting
// up carbon events. Protocol is defined as of 10.6 SDK.
#if defined(MAC_OS_X_VERSION_10_6) && (MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_6)
@interface MenuDelegate : NSObject < NSMenuDelegate >
#else
@interface MenuDelegate : NSObject
#endif
{
nsMenuX* mGeckoMenu; // weak ref
}
- (id)initWithGeckoMenu:(nsMenuX*)geckoMenu;
@end
// Once instantiated, this object lives until its DOM node or its parent window is destroyed.
// Do not hold references to this, they can become invalid any time the DOM node can be destroyed.
class nsMenuX : public nsMenuObjectX,
public nsChangeObserver
{
public:
nsMenuX();
virtual ~nsMenuX();
// If > 0, the OS is indexing all the app's menus (triggered by opening
// Help menu on Leopard and higher). There are some things that are
// unsafe to do while this is happening.
static PRInt32 sIndexingMenuLevel;
NS_DECL_CHANGEOBSERVER
// nsMenuObjectX
void* NativeData() {return (void*)mNativeMenu;}
nsMenuObjectTypeX MenuObjectType() {return eSubmenuObjectType;}
// nsMenuX
nsresult Create(nsMenuObjectX* aParent, nsMenuGroupOwnerX* aMenuGroupOwner, nsIContent* aNode);
PRUint32 GetItemCount();
nsMenuObjectX* GetItemAt(PRUint32 aPos);
nsresult GetVisibleItemCount(PRUint32 &aCount);
nsMenuObjectX* GetVisibleItemAt(PRUint32 aPos);
nsEventStatus MenuOpened();
void MenuClosed();
void SetRebuild(bool aMenuEvent);
NSMenuItem* NativeMenuItem();
static bool IsXULHelpMenu(nsIContent* aMenuContent);
protected:
void MenuConstruct();
nsresult RemoveAll();
nsresult SetEnabled(bool aIsEnabled);
nsresult GetEnabled(bool* aIsEnabled);
nsresult SetupIcon();
void GetMenuPopupContent(nsIContent** aResult);
bool OnOpen();
bool OnClose();
nsresult AddMenuItem(nsMenuItemX* aMenuItem);
nsresult AddMenu(nsMenuX* aMenu);
void LoadMenuItem(nsIContent* inMenuItemContent);
void LoadSubMenu(nsIContent* inMenuContent);
GeckoNSMenu* CreateMenuWithGeckoString(nsString& menuTitle);
nsTArray< nsAutoPtr<nsMenuObjectX> > mMenuObjectsArray;
nsString mLabel;
PRUint32 mVisibleItemsCount; // cache
nsMenuObjectX* mParent; // [weak]
nsMenuGroupOwnerX* mMenuGroupOwner; // [weak]
// The icon object should never outlive its creating nsMenuX object.
nsRefPtr<nsMenuItemIconX> mIcon;
GeckoNSMenu* mNativeMenu; // [strong]
MenuDelegate* mMenuDelegate; // [strong]
// nsMenuX objects should always have a valid native menu item.
NSMenuItem* mNativeMenuItem; // [strong]
bool mIsEnabled;
bool mDestroyHandlerCalled;
bool mNeedsRebuild;
bool mConstructed;
bool mVisible;
bool mXBLAttached;
};
#endif // nsMenuX_h_