widget/gtk/NativeMenuGtk.h

   1
   2 /* -*- Mode: c++; tab-width: 2; indent-tabs-mode: nil; -*- */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef mozilla_widget_NativeMenuGtk_h
   8 #define mozilla_widget_NativeMenuGtk_h
   9
  10 #include "mozilla/widget/NativeMenu.h"
  11 #include "mozilla/EventForwards.h"
  12 #include "GRefPtr.h"
  13
  14 namespace mozilla {
  15
  16 namespace dom {
  17 class Element;
  18 }
  19
  20 namespace widget {
  21
  22 class MenuModel;
  23
  24 class NativeMenuGtk : public NativeMenu {
  25  public:
  26   // Whether we can use native menu popups on GTK.
  27   static bool CanUse();
  28
  29   explicit NativeMenuGtk(dom::Element* aElement);
  30
  31   // NativeMenu
  32   MOZ_CAN_RUN_SCRIPT_BOUNDARY void ShowAsContextMenu(
  33       nsPresContext*, const CSSIntPoint& aPosition) 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   MOZ_CAN_RUN_SCRIPT void OnUnmap();
  48
  49  protected:
  50   virtual ~NativeMenuGtk();
  51
  52   MOZ_CAN_RUN_SCRIPT void FireEvent(EventMessage);
  53
  54   bool mPoppedUp = false;
  55   RefPtr<GtkWidget> mNativeMenu;
  56   RefPtr<MenuModel> mMenuModel;
  57   nsTArray<NativeMenu::Observer*> mObservers;
  58 };
  59
  60 }  // namespace widget
  61 }  // namespace mozilla
  62
  63 #endif