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 8 #include "base/compiler_specific.h" 9 #include "content/public/browser/notification_observer.h" 10 #include "content/public/browser/notification_registrar.h" 11 #include "ui/base/gtk/owned_widget_gtk.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 content::NotificationObserver { 19 public: 20 explicit OverflowButton(Profile* profile); 21 virtual ~OverflowButton(); 22 23 GtkWidget* widget() { return widget_.get(); } 24 25 private: 26 // content::NotificationObserver implementation. 27 virtual void Observe(int type, 28 const content::NotificationSource& source, 29 const content::NotificationDetails& details) OVERRIDE; 30 31 ui::OwnedWidgetGtk widget_; 32 33 Profile* profile_; 34 35 content::NotificationRegistrar registrar_; 36 }; 37 38 #endif // CHROME_BROWSER_UI_GTK_OVERFLOW_BUTTON_H_ 39