1 files changed, 51 insertions, 0 deletions
diff --git a/chromium/ash/system/tray_update.h b/chromium/ash/system/tray_update.h
new file mode 100644
index 00000000000..123cde19f3b
--- /dev/null
+++ b/chromium/ash/system/tray_update.h
@@ -0,0 +1,51 @@
+// 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 ASH_SYSTEM_TRAY_UPDATE_H_
+#define ASH_SYSTEM_TRAY_UPDATE_H_
+
+#include "ash/system/tray/tray_image_item.h"
+#include "ash/system/user/update_observer.h"
+#include "base/memory/scoped_ptr.h"
+
+namespace views {
+class View;
+}
+
+namespace ash {
+namespace internal {
+
+namespace tray {
+class UpdateNagger;
+}
+
+class TrayUpdate : public TrayImageItem,
+                   public UpdateObserver {
+ public:
+  explicit TrayUpdate(SystemTray* system_tray);
+  virtual ~TrayUpdate();
+
+ private:
+  // Overridden from TrayImageItem.
+  virtual bool GetInitialVisibility() OVERRIDE;
+  virtual views::View* CreateDefaultView(user::LoginStatus status) OVERRIDE;
+  virtual views::View* CreateDetailedView(user::LoginStatus status) OVERRIDE;
+  virtual void DestroyDetailedView() OVERRIDE;
+
+  // Overridden from UpdateObserver.
+  virtual void OnUpdateRecommended(UpdateSeverity severity) OVERRIDE;
+
+  // Used to nag the user in case the tray has been hidden too long with an
+  // unseen update notification.
+  scoped_ptr<tray::UpdateNagger> nagger_;
+
+  UpdateObserver::UpdateSeverity severity_;
+
+  DISALLOW_COPY_AND_ASSIGN(TrayUpdate);
+};
+
+}  // namespace internal
+}  // namespace ash
+
+#endif  // ASH_SYSTEM_TRAY_UPDATE_H_