It is time.

ui/views/controls/menu/menu_wrapper.h

-// Copyright (c) 2012 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 UI_VIEWS_CONTROLS_MENU_MENU_WRAPPER_H_
-#define UI_VIEWS_CONTROLS_MENU_MENU_WRAPPER_H_
-
-#include "ui/gfx/native_widget_types.h"
-#include "ui/views/views_export.h"
-
-namespace gfx {
-class Point;
-}
-
-namespace ui {
-class MenuModel;
-}
-
-namespace views {
-
-class MenuInsertionDelegateWin;
-class MenuListener;
-
-// An interface that wraps an object that implements a menu.
-class VIEWS_EXPORT MenuWrapper {
- public:
-  // All of the possible actions that can result from RunMenuAt.
-  enum MenuAction {
-    MENU_ACTION_NONE,      // Menu cancelled, or never opened.
-    MENU_ACTION_SELECTED,  // An item was selected.
-    MENU_ACTION_PREVIOUS,  // User wants to navigate to the previous menu.
-    MENU_ACTION_NEXT,      // User wants to navigate to the next menu.
-  };
-
-  virtual ~MenuWrapper() {}
-
-  // Creates the appropriate instance of this wrapper for the current platform.
-  static MenuWrapper* CreateWrapper(ui::MenuModel* model);
-
-  // Runs the menu at the specified point. This blocks until done.
-  virtual void RunMenuAt(const gfx::Point& point, int alignment) = 0;
-
-  // Cancels the active menu.
-  virtual void CancelMenu() = 0;
-
-  // Called when the model supplying data to this menu has changed, and the menu
-  // must be rebuilt.
-  virtual void Rebuild(MenuInsertionDelegateWin* delegate) = 0;
-
-  // Called when the states of the items in the menu must be updated from the
-  // model.
-  virtual void UpdateStates() = 0;
-
-  // Retrieve a native menu handle.
-  virtual HMENU GetNativeMenu() const = 0;
-
-  // Get the result of the last call to RunMenuAt to determine whether an
-  // item was selected, the user navigated to a next or previous menu, or
-  // nothing.
-  virtual MenuAction GetMenuAction() const = 0;
-
-  // Add a listener to receive a callback when the menu opens.
-  virtual void AddMenuListener(MenuListener* listener) = 0;
-
-  // Remove a menu listener.
-  virtual void RemoveMenuListener(MenuListener* listener) = 0;
-
-  // Sets the minimum width of the menu.
-  virtual void SetMinimumWidth(int width) = 0;
-};
-
-}  // namespace views
-
-#endif  // UI_VIEWS_CONTROLS_MENU_MENU_WRAPPER_H_