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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 CHROME_BROWSER_CHROMEOS_FRAME_LAYOUT_MODE_BUTTON_H_
#define CHROME_BROWSER_CHROMEOS_FRAME_LAYOUT_MODE_BUTTON_H_
#pragma once
#include "base/basictypes.h"
#include "content/common/notification_observer.h"
#include "content/common/notification_registrar.h"
#include "views/controls/button/button.h"
#include "views/controls/button/image_button.h"
class NotificationDetails;
class NotificationSource;
namespace chromeos {
// Maximize/restore button in the corner of each browser window.
class LayoutModeButton : public views::ImageButton,
public views::ButtonListener,
public NotificationObserver {
public:
LayoutModeButton();
virtual ~LayoutModeButton();
// views::* override.
virtual gfx::Size GetPreferredSize() OVERRIDE;
virtual bool HitTest(const gfx::Point& l) const OVERRIDE;
// NotificationObserver implementation.
virtual void Observe(NotificationType type,
const NotificationSource& source,
const NotificationDetails& details) OVERRIDE;
void Init();
private:
// views::ButtonListener implementation.
virtual void ButtonPressed(views::Button* sender, const views::Event& event)
OVERRIDE;
// Update our icon and tooltip appropriately for the current layout mode.
void UpdateForCurrentLayoutMode();
// A registrar for subscribing to LAYOUT_MODE_CHANGED notifications.
NotificationRegistrar registrar_;
DISALLOW_COPY_AND_ASSIGN(LayoutModeButton);
};
} // namespace chromeos
#endif // CHROME_BROWSER_CHROMEOS_FRAME_LAYOUT_MODE_BUTTON_H_
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