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// Copyright (c) 2011 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_MENU_RUNNER_H_
#define VIEWS_CONTROLS_MENU_MENU_RUNNER_H_
#pragma once
#include "base/basictypes.h"
#include "base/memory/scoped_ptr.h"
#include "views/controls/menu/menu_item_view.h"
namespace views {
class MenuButton;
class Widget;
// MenuRunner handles the lifetime of the root MenuItemView. MenuItemView runs a
// nested message loop, which means care must be taken when the MenuItemView
// needs to be deleted. MenuRunner makes sure the menu is deleted after the
// nested message loop completes.
//
// MenuRunner can be deleted at any time and will correctly handle deleting the
// underlying menu.
//
// TODO: this is a work around for 57890. If we fix it this class shouldn't be
// needed.
class VIEWS_API MenuRunner {
public:
explicit MenuRunner(MenuItemView* menu);
~MenuRunner();
// Runs the menu.
void RunMenuAt(Widget* parent,
MenuButton* button,
const gfx::Rect& bounds,
MenuItemView::AnchorPosition anchor,
bool has_mnemonics);
private:
class Holder;
Holder* holder_;
DISALLOW_COPY_AND_ASSIGN(MenuRunner);
};
} // namespace views
#endif // VIEWS_CONTROLS_MENU_MENU_RUNNER_H_
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