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/system_tray_delegate.h"
   9 #include "ash/system/tray/tray_image_item.h"
  10 #include "ash/system/user/update_observer.h"
  11 #include "base/memory/scoped_ptr.h"
  12
  13 namespace views {
  14 class View;
  15 }
  16
  17 namespace ash {
  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   ~TrayUpdate() override;
  28
  29  private:
  30   // Overridden from TrayImageItem.
  31   bool GetInitialVisibility() override;
  32   views::View* CreateDefaultView(user::LoginStatus status) override;
  33   views::View* CreateDetailedView(user::LoginStatus status) override;
  34   void DestroyDetailedView() override;
  35
  36   // Overridden from UpdateObserver.
  37   void OnUpdateRecommended(const UpdateInfo& info) 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   DISALLOW_COPY_AND_ASSIGN(TrayUpdate);
  44 };
  45
  46 }  // namespace ash
  47
  48 #endif  // ASH_SYSTEM_TRAY_UPDATE_H_