GTK implementation of the action box button.

chrome/browser/ui/gtk/action_box_button_gtk.h

+// 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.
+
+#ifndef CHROME_BROWSER_UI_GTK_ACTION_BOX_BUTTON_GTK_H_
+#define CHROME_BROWSER_UI_GTK_ACTION_BOX_BUTTON_GTK_H_
+
+#include "base/compiler_specific.h"
+#include "base/memory/scoped_ptr.h"
+#include "chrome/browser/ui/gtk/custom_button.h"
+#include "ui/base/gtk/gtk_signal.h"
+
+class Browser;
+
+typedef struct _GtkWidget GtkWidget;
+
+// This class displays the action box button with an associated menu. This is
+// where extension actions and the bookmark star live.
+class ActionBoxButtonGtk {
+ public:
+  explicit ActionBoxButtonGtk(Browser* browser);
+  virtual ~ActionBoxButtonGtk();
+
+  GtkWidget* widget() { return button_->widget(); }
+
+ private:
+  // Executes the browser command.
+  CHROMEGTK_CALLBACK_0(ActionBoxButtonGtk, void, OnClick);
+
+  scoped_ptr<CustomDrawButton> button_;

[not at google - send to devlin, 2012/08/02 18:27:55]

forward declare?

[Matt Perry, 2012/08/03 09:57:42]

Done. However, it required a small violation of the style guide: I had to move
widget()'s implementation to the .cc file. (I'd rather not rename it to
GetWidget() - blech.)

I'm OK with this.

+
+  // The browser to which we will send commands.
+  Browser* browser_;
+
+  DISALLOW_COPY_AND_ASSIGN(ActionBoxButtonGtk);
+};
+
+#endif  // CHROME_BROWSER_UI_GTK_ACTION_BOX_BUTTON_GTK_H_