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+/* -*- 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 nsMenuBarX_h_
+#define nsMenuBarX_h_
+
+#import <Cocoa/Cocoa.h>
+
+#include "mozilla/UniquePtr.h"
+#include "mozilla/WeakPtr.h"
+
+#include "nsISupports.h"
+#include "nsMenuParentX.h"
+#include "nsChangeObserver.h"
+#include "nsTArray.h"
+#include "nsString.h"
+
+class nsMenuBarX;
+class nsMenuGroupOwnerX;
+class nsMenuX;
+class nsIWidget;
+class nsIContent;
+
+namespace mozilla {
+namespace dom {
+class Document;
+class Element;
+} // namespace dom
+} // namespace mozilla
+
+// ApplicationMenuDelegate is used to receive Cocoa notifications.
+@interface ApplicationMenuDelegate : NSObject <NSMenuDelegate> {
+ nsMenuBarX* mApplicationMenu; // weak ref
+}
+- (id)initWithApplicationMenu:(nsMenuBarX*)aApplicationMenu;
+@end
+
+// Objective-C class used to allow us to intervene with keyboard event handling.
+// We allow mouse actions to work normally.
+@interface GeckoNSMenu : NSMenu {
+}
+- (BOOL)performSuperKeyEquivalent:(NSEvent*)aEvent;
+@end
+
+// Objective-C class used as action target for menu items
+@interface NativeMenuItemTarget : NSObject {
+}
+- (IBAction)menuItemHit:(id)aSender;
+@end
+
+// Objective-C class used for menu items on the Services menu to allow Gecko
+// to override their standard behavior in order to stop key equivalents from
+// firing in certain instances.
+@interface GeckoServicesNSMenuItem : NSMenuItem {
+}
+- (id)target;
+- (SEL)action;
+- (void)_doNothing:(id)aSender;
+@end
+
+// Objective-C class used as the Services menu so that Gecko can override the
+// standard behavior of the Services menu in order to stop key equivalents
+// from firing in certain instances.
+@interface GeckoServicesNSMenu : NSMenu {
+}
+- (void)addItem:(NSMenuItem*)aNewItem;
+- (NSMenuItem*)addItemWithTitle:(NSString*)aString
+ action:(SEL)aSelector
+ keyEquivalent:(NSString*)aKeyEquiv;
+- (void)insertItem:(NSMenuItem*)aNewItem atIndex:(NSInteger)aIndex;
+- (NSMenuItem*)insertItemWithTitle:(NSString*)aString
+ action:(SEL)aSelector
+ keyEquivalent:(NSString*)aKeyEquiv
+ atIndex:(NSInteger)aIndex;
+- (void)_overrideClassOfMenuItem:(NSMenuItem*)aMenuItem;
+@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 nsMenuBarX : public nsMenuParentX, public nsChangeObserver, public mozilla::SupportsWeakPtr {
+ public:
+ explicit nsMenuBarX(mozilla::dom::Element* aElement);
+
+ NS_INLINE_DECL_REFCOUNTING(nsMenuBarX)
+
+ static NativeMenuItemTarget* sNativeEventTarget;
+ static nsMenuBarX* sLastGeckoMenuBarPainted;
+
+ // The following content nodes have been removed from the menu system.
+ // We save them here for use in command handling.
+ RefPtr<nsIContent> mAboutItemContent;
+ RefPtr<nsIContent> mPrefItemContent;
+ RefPtr<nsIContent> mAccountItemContent;
+ RefPtr<nsIContent> mQuitItemContent;
+
+ // nsChangeObserver
+ NS_DECL_CHANGEOBSERVER
+
+ // nsMenuParentX
+ nsMenuBarX* AsMenuBar() override { return this; }
+
+ // nsMenuBarX
+ uint32_t GetMenuCount();
+ bool MenuContainsAppMenu();
+ nsMenuX* GetMenuAt(uint32_t aIndex);
+ nsMenuX* GetXULHelpMenu();
+ void SetSystemHelpMenu();
+ nsresult Paint();
+ void ForceUpdateNativeMenuAt(const nsAString& aIndexString);
+ void ForceNativeMenuReload(); // used for testing
+ static void ResetNativeApplicationMenu();
+ void SetNeedsRebuild();
+ void ApplicationMenuOpened();
+ bool PerformKeyEquivalent(NSEvent* aEvent);
+ GeckoNSMenu* NativeNSMenu() { return mNativeMenu; }
+
+ // nsMenuParentX
+ void MenuChildChangedVisibility(const MenuChild& aChild, bool aIsVisible) override;
+
+ protected:
+ virtual ~nsMenuBarX();
+
+ void ConstructNativeMenus();
+ void ConstructFallbackNativeMenus();
+ void InsertMenuAtIndex(RefPtr<nsMenuX>&& aMenu, uint32_t aIndex);
+ void RemoveMenuAtIndex(uint32_t aIndex);
+ RefPtr<mozilla::dom::Element> HideItem(mozilla::dom::Document* aDocument, const nsAString& aID);
+ void AquifyMenuBar();
+ NSMenuItem* CreateNativeAppMenuItem(nsMenuX* aMenu, const nsAString& aNodeID, SEL aAction,
+ int aTag, NativeMenuItemTarget* aTarget);
+ void CreateApplicationMenu(nsMenuX* aMenu);
+
+ // Calculates the index at which aChild's NSMenuItem should be inserted into our NSMenu.
+ // The order of NSMenuItems in the NSMenu is the same as the order of nsMenuX objects in
+ // mMenuArray; there are two differences:
+ // - mMenuArray contains both visible and invisible menus, and the NSMenu only contains visible
+ // menus.
+ // - Our NSMenu may also contain an item for the app menu, whereas mMenuArray never does.
+ // So the insertion index is equal to the number of visible previous siblings of aChild in
+ // mMenuArray, plus one if the app menu is present.
+ NSInteger CalculateNativeInsertionPoint(nsMenuX* aChild);
+
+ RefPtr<nsIContent> mContent;
+ RefPtr<nsMenuGroupOwnerX> mMenuGroupOwner;
+ nsTArray<RefPtr<nsMenuX>> mMenuArray;
+ GeckoNSMenu* mNativeMenu; // root menu, representing entire menu bar
+ bool mNeedsRebuild;
+ ApplicationMenuDelegate* mApplicationMenuDelegate;
+};
+
+#endif // nsMenuBarX_h_