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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_CHROMEOS_STATUS_ACCESSIBILITY_MENU_BUTTON_H_
#define CHROME_BROWSER_CHROMEOS_STATUS_ACCESSIBILITY_MENU_BUTTON_H_
#pragma once
#include "chrome/browser/chromeos/status/status_area_button.h"
#include "chrome/browser/prefs/pref_member.h"
#include "content/public/browser/notification_observer.h"
#include "ui/views/controls/button/menu_button_listener.h"
#include "ui/views/controls/menu/menu_delegate.h"
namespace views {
class MenuRunner;
}
namespace chromeos {
class StatusAreaBubbleController;
// A class for the button in the status area which alerts the user when
// accessibility features are enabled.
class AccessibilityMenuButton : public StatusAreaButton,
public views::MenuButtonListener,
public views::MenuDelegate,
public content::NotificationObserver {
public:
explicit AccessibilityMenuButton(StatusAreaButton::Delegate* delegate);
virtual ~AccessibilityMenuButton();
// Overridden from views::MenuButtonListener:
virtual void OnMenuButtonClicked(views::View* source,
const gfx::Point& point) OVERRIDE;
// Overridden from views::MenuDelegate:
virtual void ExecuteCommand(int id) OVERRIDE;
// content::NotificationObserver implementation
virtual void Observe(int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) OVERRIDE;
private:
// Updates the state along with the preferences.
void Update();
// Prepares menu before showing it.
void PrepareMenu();
// An object synced to the preference, representing if accessibility feature
// is enabled or not.
BooleanPrefMember accessibility_enabled_;
// An object to show menu.
scoped_ptr<views::MenuRunner> menu_runner_;
// The currently showing bubble controller.
scoped_ptr<StatusAreaBubbleController> bubble_controller_;
DISALLOW_COPY_AND_ASSIGN(AccessibilityMenuButton);
};
} // namespace chromeos
#endif // CHROME_BROWSER_CHROMEOS_STATUS_ACCESSIBILITY_MENU_BUTTON_H_
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