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 13 typedef struct _GtkWidget GtkWidget; 14 class Profile; 15 16 // An overflow chevron button. The button itself is a plain gtk_chrome_button, 17 // and this class handles theming it. 18 class OverflowButton : public NotificationObserver { 19 public: 20 explicit OverflowButton(Profile* profile); 21 virtual ~OverflowButton(); 22 widget()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