A non-GTK version of menus for touchui.

views/controls/menu/native_menu_x.h

+// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef VIEWS_CONTROLS_MENU_NATIVE_MENU_X_H_
+#define VIEWS_CONTROLS_MENU_NATIVE_MENU_X_H_
+#pragma once
+
+#include "views/controls/menu/menu_delegate.h"
+#include "views/controls/menu/menu_item_view.h"
+#include "views/controls/menu/menu_wrapper.h"
+
+namespace menus {
+class MenuModel;
+}
+
+namespace views {
+
+// A non-GTK implementation of MenuWrapper, used currently for touchui.
+class NativeMenuX : public MenuWrapper,
+                    public MenuDelegate {
+ public:
+  explicit NativeMenuX(Menu2* menu);
+  virtual ~NativeMenuX();
+
+  // Overridden from MenuWrapper:
+  virtual void RunMenuAt(const gfx::Point& point, int alignment);
+  virtual void CancelMenu();
+  virtual void Rebuild();
+  virtual void UpdateStates();
+  virtual gfx::NativeMenu GetNativeMenu() const;
+  virtual MenuAction GetMenuAction() const;
+  virtual void AddMenuListener(MenuListener* listener);
+  virtual void RemoveMenuListener(MenuListener* listener);
+  virtual void SetMinimumWidth(int width);
+
+  // Overridden from MenuDelegate:
+  virtual bool IsItemChecked(int id) const;
+  virtual bool IsCommandEnabled(int id) const;
+  virtual void ExecuteCommand(int id);
+  virtual bool GetAccelerator(int id, views::Accelerator* accelerator);
+
+ private:
+  void AddMenuItemsFromModel(MenuItemView* parent, menus::MenuModel* model);
+  void UpdateMenuFromModel(SubmenuView* menu, menus::MenuModel* model);
+
+  // The attached model and delegate. Does not assume ownership.
+  menus::MenuModel* model_;
+  scoped_ptr<MenuItemView> root_;
+
+  DISALLOW_COPY_AND_ASSIGN(NativeMenuX);
+};
+
+}  // namespace views
+
+#endif  // VIEWS_CONTROLS_MENU_NATIVE_MENU_X_H_