widget/cocoa/NativeMenuMac.h

   1 /* -*- Mode: c++; tab-width: 2; indent-tabs-mode: nil; -*- */
   2 /* This Source Code Form is subject to the terms of the Mozilla Public
   3  * License, v. 2.0. If a copy of the MPL was not distributed with this
   4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   5
   6 #ifndef NativeMenuMac_h
   7 #define NativeMenuMac_h
   8
   9 #include "mozilla/widget/NativeMenu.h"
  10
  11 #include "nsMenuItemIconX.h"
  12 #include "nsMenuX.h"
  13
  14 class nsIContent;
  15 class nsMenuGroupOwnerX;
  16
  17 namespace mozilla {
  18
  19 namespace dom {
  20 class Element;
  21 }
  22
  23 namespace widget {
  24
  25 class NativeMenuMac : public NativeMenu,
  26                       public nsMenuItemIconX::Listener,
  27                       public nsMenuX::Observer {
  28  public:
  29   explicit NativeMenuMac(dom::Element* aElement);
  30
  31   // NativeMenu
  32   void ShowAsContextMenu(nsIFrame* aClickedFrame, const CSSIntPoint& aPosition,
  33                          bool aIsContextMenu) override;
  34   bool Close() override;
  35   void ActivateItem(dom::Element* aItemElement, Modifiers aModifiers,
  36                     int16_t aButton, ErrorResult& aRv) override;
  37   void OpenSubmenu(dom::Element* aMenuElement) override;
  38   void CloseSubmenu(dom::Element* aMenuElement) override;
  39   RefPtr<dom::Element> Element() override;
  40   void AddObserver(NativeMenu::Observer* aObserver) override {
  41     mObservers.AppendElement(aObserver);
  42   }
  43   void RemoveObserver(NativeMenu::Observer* aObserver) override {
  44     mObservers.RemoveElement(aObserver);
  45   }
  46
  47   // nsMenuItemIconX::Listener
  48   void IconUpdated() override;
  49
  50   // nsMenuX::Observer
  51   void OnMenuWillOpen(dom::Element* aPopupElement) override;
  52   void OnMenuDidOpen(dom::Element* aPopupElement) override;
  53   void OnMenuWillActivateItem(dom::Element* aPopupElement,
  54                               dom::Element* aMenuItemElement) override;
  55   void OnMenuClosed(dom::Element* aPopupElement) override;
  56
  57   NSMenu* NativeNSMenu() { return mMenu ? mMenu->NativeNSMenu() : nil; }
  58   void MenuWillOpen();
  59
  60   // Returns whether a menu item was found at the specified path.
  61   bool ActivateNativeMenuItemAt(const nsAString& aIndexString);
  62
  63   void ForceUpdateNativeMenuAt(const nsAString& aIndexString);
  64   void Dump();
  65
  66   // If this menu is the menu of a system status bar item (NSStatusItem),
  67   // let the menu know about the status item so that it can propagate
  68   // any icon changes to the status item.
  69   void SetContainerStatusBarItem(NSStatusItem* aItem);
  70
  71  protected:
  72   virtual ~NativeMenuMac();
  73
  74   // Find the deepest nsMenuX which contains aElement, only descending into open
  75   // menus.
  76   // Returns nullptr if the element was not found or if the menus on the path
  77   // were not all open.
  78   RefPtr<nsMenuX> GetOpenMenuContainingElement(dom::Element* aElement);
  79
  80   RefPtr<dom::Element> mElement;
  81   RefPtr<nsMenuGroupOwnerX> mMenuGroupOwner;
  82   RefPtr<nsMenuX> mMenu;
  83   nsTArray<NativeMenu::Observer*> mObservers;
  84   NSStatusItem* mContainerStatusBarItem;
  85
  86   // Non-zero after a call to ShowAsContextMenu. Stores the handle from the
  87   // MOZMenuOpeningCoordinator.
  88   NSInteger mOpeningHandle = 0;
  89 };
  90
  91 }  // namespace widget
  92 }  // namespace mozilla
  93
  94 #endif