1// Copyright (c) 2012 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#ifndef ASH_SYSTEM_TRAY_UPDATE_H_ 6#define ASH_SYSTEM_TRAY_UPDATE_H_ 7 8#include "ash/system/tray/tray_image_item.h" 9#include "ash/system/user/update_observer.h" 10#include "base/memory/scoped_ptr.h" 11 12namespace views { 13class View; 14} 15 16namespace ash { 17 18namespace tray { 19class UpdateNagger; 20} 21 22class TrayUpdate : public TrayImageItem, 23 public UpdateObserver { 24 public: 25 explicit TrayUpdate(SystemTray* system_tray); 26 virtual ~TrayUpdate(); 27 28 private: 29 // Overridden from TrayImageItem. 30 virtual bool GetInitialVisibility() OVERRIDE; 31 virtual views::View* CreateDefaultView(user::LoginStatus status) OVERRIDE; 32 virtual views::View* CreateDetailedView(user::LoginStatus status) OVERRIDE; 33 virtual void DestroyDetailedView() OVERRIDE; 34 35 // Overridden from UpdateObserver. 36 virtual void OnUpdateRecommended(UpdateSeverity severity) OVERRIDE; 37 38 // Used to nag the user in case the tray has been hidden too long with an 39 // unseen update notification. 40 scoped_ptr<tray::UpdateNagger> nagger_; 41 42 UpdateObserver::UpdateSeverity severity_; 43 44 DISALLOW_COPY_AND_ASSIGN(TrayUpdate); 45}; 46 47} // namespace ash 48 49#endif // ASH_SYSTEM_TRAY_UPDATE_H_ 50