1 files changed, 44 insertions, 0 deletions
diff --git a/chrome/browser/ui/gtk/overflow_button.cc b/chrome/browser/ui/gtk/overflow_button.cc
new file mode 100644
index 0000000..73290f5
--- /dev/null
+++ b/chrome/browser/ui/gtk/overflow_button.cc
@@ -0,0 +1,44 @@
+// 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.
+
+#include "chrome/browser/gtk/overflow_button.h"
+
+#include <gtk/gtk.h>
+
+#include "app/resource_bundle.h"
+#include "chrome/browser/profiles/profile.h"
+#include "chrome/browser/gtk/gtk_theme_provider.h"
+#include "chrome/common/notification_service.h"
+#include "chrome/common/notification_type.h"
+#include "grit/theme_resources.h"
+
+OverflowButton::OverflowButton(Profile* profile) : profile_(profile) {
+  widget_.Own(GtkThemeProvider::GetFrom(profile)->BuildChromeButton());
+  gtk_widget_set_no_show_all(widget_.get(), TRUE);
+
+  registrar_.Add(this, NotificationType::BROWSER_THEME_CHANGED,
+                 NotificationService::AllSources());
+  GtkThemeProvider::GetFrom(profile)->InitThemesFor(this);
+}
+
+OverflowButton::~OverflowButton() {
+  widget_.Destroy();
+}
+
+void OverflowButton::Observe(NotificationType type,
+                             const NotificationSource& source,
+                             const NotificationDetails& details) {
+  GtkWidget* former_child = gtk_bin_get_child(GTK_BIN(widget()));
+  if (former_child)
+    gtk_widget_destroy(former_child);
+
+  GtkWidget* new_child =
+      GtkThemeProvider::GetFrom(profile_)->UseGtkTheme() ?
+      gtk_arrow_new(GTK_ARROW_DOWN, GTK_SHADOW_NONE) :
+      gtk_image_new_from_pixbuf(ResourceBundle::GetSharedInstance().
+          GetRTLEnabledPixbufNamed(IDR_BOOKMARK_BAR_CHEVRONS));
+
+  gtk_container_add(GTK_CONTAINER(widget()), new_child);
+  gtk_widget_show(new_child);
+}