ash/system/tray_update.h

   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_