widget/NativeMenuSupport.h

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   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 mozilla_widget_NativeMenuSupport_h
   7 #define mozilla_widget_NativeMenuSupport_h
   8
   9 #include "mozilla/RefPtr.h"
  10
  11 class nsIWidget;
  12
  13 #if defined(XP_MACOSX) || defined(MOZ_WIDGET_GTK)
  14 #  define HAS_NATIVE_MENU_SUPPORT 1
  15 #endif
  16
  17 namespace mozilla {
  18
  19 namespace dom {
  20 class Element;
  21 }
  22
  23 namespace widget {
  24
  25 class NativeMenu;
  26
  27 class NativeMenuSupport final {
  28  public:
  29   // Given a top-level window widget and a menu bar DOM node, sets up native
  30   // menus. Once created, native menus are controlled via the DOM, including
  31   // destruction.
  32   static void CreateNativeMenuBar(nsIWidget* aParent,
  33                                   dom::Element* aMenuBarElement);
  34
  35   // Given a menupopup DOM node, create a NativeMenu instance that can be shown
  36   // as a native context menu.
  37   static already_AddRefed<NativeMenu> CreateNativeContextMenu(
  38       dom::Element* aPopup);
  39
  40   // Whether or not native context menus are enabled.
  41   static bool ShouldUseNativeContextMenus();
  42 };
  43
  44 }  // namespace widget
  45 }  // namespace mozilla
  46
  47 #endif  // mozilla_widget_NativeMenuSupport_h