1// Copyright (c) 2011 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#ifndef CHROME_BROWSER_UI_GTK_OVERFLOW_BUTTON_H_
6#define CHROME_BROWSER_UI_GTK_OVERFLOW_BUTTON_H_
7#pragma once
8
9#include "chrome/browser/ui/gtk/owned_widget_gtk.h"
10#include "content/common/notification_observer.h"
11#include "content/common/notification_registrar.h"
12
13typedef struct _GtkWidget GtkWidget;
14class Profile;
15
16// An overflow chevron button. The button itself is a plain gtk_chrome_button,
17// and this class handles theming it.
18class OverflowButton : public NotificationObserver {
19 public:
20  explicit OverflowButton(Profile* profile);
21  virtual ~OverflowButton();
22
23  GtkWidget* widget() { return widget_.get(); }
24
25 private:
26  // NotificationObserver implementation.
27  virtual void Observe(NotificationType type,
28                       const NotificationSource& source,
29                       const NotificationDetails& details);
30
31  OwnedWidgetGtk widget_;
32
33  Profile* profile_;
34
35  NotificationRegistrar registrar_;
36};
37
38#endif  // CHROME_BROWSER_UI_GTK_OVERFLOW_BUTTON_H_
39