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// 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 CHROME_BROWSER_VIEWS_WRENCH_MENU_H_
#define CHROME_BROWSER_VIEWS_WRENCH_MENU_H_
#pragma once
#include <map>
#include <utility>
#include "app/menus/menu_model.h"
#include "base/ref_counted.h"
#include "base/scoped_ptr.h"
#include "views/controls/menu/menu_delegate.h"
class Browser;
namespace views {
class MenuButton;
class MenuItemView;
class View;
} // namespace views
// WrenchMenu adapts the WrenchMenuModel to view's menu related classes.
class WrenchMenu : public base::RefCounted<WrenchMenu>,
public views::MenuDelegate {
public:
explicit WrenchMenu(Browser* browser);
void Init(menus::MenuModel* model);
// Shows the menu relative to the specified view.
void RunMenu(views::MenuButton* host);
// MenuDelegate overrides:
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:
friend class base::RefCounted<WrenchMenu>;
class CutCopyPasteView;
class ZoomView;
typedef std::pair<menus::MenuModel*,int> Entry;
typedef std::map<int,Entry> IDToEntry;
~WrenchMenu();
// Populates |parent| with all the child menus in |model|. Recursively invokes
// |PopulateMenu| for any submenu. |next_id| is incremented for every menu
// that is created.
void PopulateMenu(views::MenuItemView* parent,
menus::MenuModel* model,
int* next_id);
// Adds a new menu to |parent| to represent the MenuModel/index pair passed
// in.
views::MenuItemView* AppendMenuItem(views::MenuItemView* parent,
menus::MenuModel* model,
int index,
menus::MenuModel::ItemType menu_type,
int* next_id);
// Invoked from the cut/copy/paste menus. Cancels the current active menu and
// activates the menu item in |model| at |index|.
void CancelAndEvaluate(menus::MenuModel* model, int index);
// The views menu.
scoped_ptr<views::MenuItemView> root_;
// Maps from the ID as understood by MenuItemView to the model/index pair the
// item came from.
IDToEntry id_to_entry_;
// Browser the menu is being shown for.
Browser* browser_;
// |CancelAndEvaluate| sets |selected_menu_model_| and |selected_index_|.
// If |selected_menu_model_| is non-null after the menu completes
// ActivatedAt is invoked. This is done so that ActivatedAt isn't invoked
// while the message loop is nested.
menus::MenuModel* selected_menu_model_;
int selected_index_;
DISALLOW_COPY_AND_ASSIGN(WrenchMenu);
};
#endif // CHROME_BROWSER_VIEWS_WRENCH_MENU_H_
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