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 12 namespace views { 13 class View; 14 } 15 16 namespace ash { 17 namespace internal { 18 19 namespace tray { 20 class UpdateNagger; 21 } 22 23 class TrayUpdate : public TrayImageItem, 24 public UpdateObserver { 25 public: 26 explicit TrayUpdate(SystemTray* system_tray); 27 virtual ~TrayUpdate(); 28 29 private: 30 // Overridden from TrayImageItem. 31 virtual bool GetInitialVisibility() OVERRIDE; 32 virtual views::View* CreateDefaultView(user::LoginStatus status) OVERRIDE; 33 virtual views::View* CreateDetailedView(user::LoginStatus status) OVERRIDE; 34 virtual void DestroyDetailedView() OVERRIDE; 35 36 // Overridden from UpdateObserver. 37 virtual void OnUpdateRecommended(UpdateSeverity severity) OVERRIDE; 38 39 // Used to nag the user in case the tray has been hidden too long with an 40 // unseen update notification. 41 scoped_ptr<tray::UpdateNagger> nagger_; 42 43 UpdateObserver::UpdateSeverity severity_; 44 45 DISALLOW_COPY_AND_ASSIGN(TrayUpdate); 46 }; 47 48 } // namespace internal 49 } // namespace ash 50 51 #endif // ASH_SYSTEM_TRAY_UPDATE_H_ 52