1 files changed, 59 insertions, 0 deletions
diff --git a/widget/cocoa/nsMenuGroupOwnerX.h b/widget/cocoa/nsMenuGroupOwnerX.h
new file mode 100644
index 0000000000..627833e0df
--- /dev/null
+++ b/widget/cocoa/nsMenuGroupOwnerX.h
@@ -0,0 +1,59 @@
+/* -*- 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 "nsString.h"
+
+class nsMenuItemX;
+class nsChangeObserver;
+class nsIWidget;
+class nsIContent;
+
+class nsMenuGroupOwnerX : public nsMenuObjectX, public nsIMutationObserver {
+ public:
+  nsMenuGroupOwnerX();
+
+  nsresult Create(mozilla::dom::Element* 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_