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// 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 CHROME_BROWSER_UI_TOOLBAR_ACTION_BOX_BUTTON_CONTROLLER_H_
#define CHROME_BROWSER_UI_TOOLBAR_ACTION_BOX_BUTTON_CONTROLLER_H_
#include <map>
#include <string>
#include "base/memory/scoped_ptr.h"
#include "content/public/browser/notification_observer.h"
#include "content/public/browser/notification_registrar.h"
#include "ui/base/models/simple_menu_model.h"
class ActionBoxMenuModel;
class Browser;
namespace extensions {
class Extension;
}
namespace ui {
class MenuModel;
}
// Controller for the action box.
//
// This should have the same lifetime as the action box itself -- that is, more
// or less the lifetime of the tab -- unlike ActionBoxMenuModel which is scoped
// to the menu being open.
class ActionBoxButtonController : public ui::SimpleMenuModel::Delegate,
public content::NotificationObserver {
public:
class Delegate {
public:
// Shows the menu with the given |menu_model|.
virtual void ShowMenu(scoped_ptr<ActionBoxMenuModel> menu_model);
protected:
virtual ~Delegate() {}
};
ActionBoxButtonController(Browser* browser, Delegate* delegate);
virtual ~ActionBoxButtonController();
// Notifies this that the action box button has been clicked.
// Methods on the Delegate may be called re-entrantly.
void OnButtonClicked();
// Overridden from ui::SimpleMenuModel::Delegate:
virtual bool IsCommandIdChecked(int command_id) const OVERRIDE;
virtual bool IsCommandIdEnabled(int command_id) const OVERRIDE;
virtual bool GetAcceleratorForCommandId(
int command_id,
ui::Accelerator* accelerator) OVERRIDE;
virtual void ExecuteCommand(int command_id, int event_flags) OVERRIDE;
private:
// Gets the command ID for an extension, creating a new one if necessary.
int GetCommandIdForExtension(const extensions::Extension& extension);
// Returns the next command ID to be used.
int GetNextCommandId();
// content::NotificationObserver implementation.
virtual void Observe(int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) OVERRIDE;
Browser* browser_;
Delegate* delegate_;
typedef std::map<int, std::string> ExtensionIdCommandMap;
ExtensionIdCommandMap extension_command_ids_;
// The command ID to assign to the next dynamic entry that needs one.
int next_command_id_;
content::NotificationRegistrar registrar_;
DISALLOW_COPY_AND_ASSIGN(ActionBoxButtonController);
};
#endif // CHROME_BROWSER_UI_TOOLBAR_ACTION_BOX_BUTTON_CONTROLLER_H_
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