Implement Linux Media Stream Infobar

chrome/browser/ui/gtk/infobars/media_stream_infobar_gtk.h

+// Copyright (c) 2012 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_INFOBARS_MEDIA_STREAM_INFOBAR_GTK_H_
+#define CHROME_BROWSER_UI_GTK_INFOBARS_MEDIA_STREAM_INFOBAR_GTK_H_
+#pragma once
+
+#include "base/basictypes.h"
+#include "chrome/browser/media/media_stream_devices_menu_model.h"
+#include "chrome/browser/ui/gtk/infobars/infobar_gtk.h"
+#include "content/common/media/media_stream_options.h"
+#include "ui/base/gtk/gtk_signal.h"
+
+class MediaStreamInfoBarDelegate;
+
+class MediaStreamInfoBarGtk : public InfoBarGtk {
+ public:
+  MediaStreamInfoBarGtk(InfoBarTabHelper* owner,
+                        MediaStreamInfoBarDelegate* delegate);
+  virtual ~MediaStreamInfoBarGtk();
+
+  // Initializes the infobar widgets. Should be called after the object has been
+  // created.
+  virtual void Init();
+
+ private:
+  // Builds a button with an arrow in it to emulate the menu-button style from
+  // the windows version
+  static GtkWidget* BuildDevicesMenuButton();
+
+  CHROMEGTK_CALLBACK_0(MediaStreamInfoBarGtk, void, OnAllowButton);
+  CHROMEGTK_CALLBACK_0(MediaStreamInfoBarGtk, void, OnDenyButton);
+  CHROMEGTK_CALLBACK_0(MediaStreamInfoBarGtk, void, OnDevicesClicked);
+
+  // Convenience to retrieve the MediaStreamInfobarDelegate for this infobar.
+  MediaStreamInfoBarDelegate* delegate_;
+
+  MediaStreamDevicesMenuModel* devices_menu_model_;
+
+  DISALLOW_COPY_AND_ASSIGN(MediaStreamInfoBarGtk);
+};
+
+#endif  // CHROME_BROWSER_UI_GTK_INFOBARS_MEDIA_STREAM_INFOBAR_GTK_H_