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-rw-r--r--widget/cocoa/nsMenuGroupOwnerX.h102
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diff --git a/widget/cocoa/nsMenuGroupOwnerX.h b/widget/cocoa/nsMenuGroupOwnerX.h
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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 nsMenuGroupOwnerX_h_
+#define nsMenuGroupOwnerX_h_
+
+#import <Cocoa/Cocoa.h>
+
+#include "mozilla/WeakPtr.h"
+
+#include "nsStubMutationObserver.h"
+#include "nsHashKeys.h"
+#include "nsIObserver.h"
+#include "nsMenuBarX.h"
+#include "nsTHashMap.h"
+#include "nsString.h"
+
+class nsMenuItemX;
+class nsChangeObserver;
+class nsIWidget;
+class nsIContent;
+
+@class MOZMenuItemRepresentedObject;
+
+// Fixed command IDs that work even without a JS listener, for our fallback menu
+// bar. Dynamic command IDs start counting from eCommand_ID_Last.
+enum {
+ eCommand_ID_About = 1,
+ eCommand_ID_Prefs = 2,
+ eCommand_ID_Quit = 3,
+ eCommand_ID_HideApp = 4,
+ eCommand_ID_HideOthers = 5,
+ eCommand_ID_ShowAll = 6,
+ eCommand_ID_Update = 7,
+ eCommand_ID_TouchBar = 8,
+ eCommand_ID_Account = 9,
+ eCommand_ID_Last = 10
+};
+
+// The menu group owner observes DOM mutations, notifies registered
+// nsChangeObservers, and manages command registration. There is one owner per
+// menubar, and one per standalone native menu.
+class nsMenuGroupOwnerX : public nsMultiMutationObserver, public nsIObserver {
+ public:
+ // Both parameters can be null.
+ nsMenuGroupOwnerX(mozilla::dom::Element* aElement,
+ nsMenuBarX* aMenuBarIfMenuBar);
+
+ void RegisterForContentChanges(nsIContent* aContent,
+ nsChangeObserver* aMenuObject);
+ void UnregisterForContentChanges(nsIContent* aContent);
+ uint32_t RegisterForCommand(nsMenuItemX* aMenuItem);
+ void UnregisterCommand(uint32_t aCommandID);
+ nsMenuItemX* GetMenuItemForCommandID(uint32_t aCommandID);
+
+ void RegisterForLocaleChanges();
+ void UnregisterForLocaleChanges();
+
+ // The representedObject that's used for all menu items under this menu group
+ // owner.
+ MOZMenuItemRepresentedObject* GetRepresentedObject() {
+ return mRepresentedObject;
+ }
+
+ // If this is the group owner for a menubar, return the menubar, otherwise
+ // nullptr.
+ nsMenuBarX* GetMenuBar() { return mMenuBar.get(); }
+
+ NS_DECL_ISUPPORTS
+ NS_DECL_NSIOBSERVER
+ NS_DECL_NSIMUTATIONOBSERVER
+
+ protected:
+ virtual ~nsMenuGroupOwnerX();
+
+ nsChangeObserver* LookupContentChangeObserver(nsIContent* aContent);
+
+ RefPtr<nsIContent> mContent;
+
+ // Unique command id (per menu-bar) to give to next item that asks.
+ uint32_t mCurrentCommandID = eCommand_ID_Last;
+
+ // stores observers for content change notification
+ nsTHashMap<nsPtrHashKey<nsIContent>, nsChangeObserver*>
+ mContentToObserverTable;
+
+ // stores mapping of command IDs to menu objects
+ nsTHashMap<nsUint32HashKey, nsMenuItemX*> mCommandToMenuObjectTable;
+
+ MOZMenuItemRepresentedObject* mRepresentedObject = nil; // [strong]
+ mozilla::WeakPtr<nsMenuBarX> mMenuBar;
+};
+
+@interface MOZMenuItemRepresentedObject : NSObject
+- (id)initWithMenuGroupOwner:(nsMenuGroupOwnerX*)aMenuGroupOwner;
+- (void)setMenuGroupOwner:(nsMenuGroupOwnerX*)aMenuGroupOwner;
+- (nsMenuGroupOwnerX*)menuGroupOwner;
+@end
+
+#endif // nsMenuGroupOwner_h_