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#include "chrome/browser/ui/gtk/overflow_button.h"
6
7#include <gtk/gtk.h>
8
9#include "chrome/browser/profiles/profile.h"
10#include "chrome/browser/ui/gtk/gtk_theme_service.h"
11#include "content/common/notification_service.h"
12#include "content/common/notification_type.h"
13#include "grit/theme_resources.h"
14#include "ui/base/resource/resource_bundle.h"
15
16OverflowButton::OverflowButton(Profile* profile) : profile_(profile) {
17  widget_.Own(GtkThemeService::GetFrom(profile)->BuildChromeButton());
18  gtk_widget_set_no_show_all(widget_.get(), TRUE);
19
20  registrar_.Add(this, NotificationType::BROWSER_THEME_CHANGED,
21                 NotificationService::AllSources());
22  GtkThemeService::GetFrom(profile)->InitThemesFor(this);
23}
24
25OverflowButton::~OverflowButton() {
26  widget_.Destroy();
27}
28
29void OverflowButton::Observe(NotificationType type,
30                             const NotificationSource& source,
31                             const NotificationDetails& details) {
32  GtkWidget* former_child = gtk_bin_get_child(GTK_BIN(widget()));
33  if (former_child)
34    gtk_widget_destroy(former_child);
35
36  GtkWidget* new_child =
37      GtkThemeService::GetFrom(profile_)->UseGtkTheme() ?
38      gtk_arrow_new(GTK_ARROW_DOWN, GTK_SHADOW_NONE) :
39      gtk_image_new_from_pixbuf(ResourceBundle::GetSharedInstance().
40          GetRTLEnabledPixbufNamed(IDR_BOOKMARK_BAR_CHEVRONS));
41
42  gtk_container_add(GTK_CONTAINER(widget()), new_child);
43  gtk_widget_show(new_child);
44}
45