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Diffstat (limited to '')
-rw-r--r-- | widget/cocoa/nsMenuGroupOwnerX.h | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/widget/cocoa/nsMenuGroupOwnerX.h b/widget/cocoa/nsMenuGroupOwnerX.h new file mode 100644 index 0000000000..da859d14f3 --- /dev/null +++ b/widget/cocoa/nsMenuGroupOwnerX.h @@ -0,0 +1,102 @@ +/* -*- 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_ |