src/ash/system/chromeos/supervised/tray_supervised_user.h

   1 // Copyright 2014 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_CHROMEOS_SUPERVISED_TRAY_SUPERVISED_USER_H
   6 #define ASH_SYSTEM_CHROMEOS_SUPERVISED_TRAY_SUPERVISED_USER_H
   7
   8 #include "ash/ash_export.h"
   9 #include "ash/system/chromeos/supervised/custodian_info_tray_observer.h"
  10 #include "ash/system/tray/system_tray_item.h"
  11 #include "ash/system/tray/view_click_listener.h"
  12 #include "base/strings/string16.h"
  13
  14 namespace ash {
  15 class LabelTrayView;
  16 class SystemTray;
  17
  18 class ASH_EXPORT TraySupervisedUser : public SystemTrayItem,
  19                                       public ViewClickListener,
  20                                       public CustodianInfoTrayObserver {
  21  public:
  22   explicit TraySupervisedUser(SystemTray* system_tray);
  23   virtual ~TraySupervisedUser();
  24
  25   // If message is not empty updates content of default view, otherwise hides
  26   // tray items.
  27   void UpdateMessage();
  28
  29   // Overridden from SystemTrayItem.
  30   virtual views::View* CreateDefaultView(user::LoginStatus status) override;
  31   virtual void DestroyDefaultView() override;
  32   virtual void UpdateAfterLoginStatusChange(user::LoginStatus status) override;
  33
  34   // Overridden from ViewClickListener.
  35   virtual void OnViewClicked(views::View* sender) override;
  36
  37   // Overridden from CustodianInfoTrayObserver:
  38   virtual void OnCustodianInfoChanged() override;
  39
  40  private:
  41   friend class TraySupervisedUserTest;
  42
  43   static const char kNotificationId[];
  44
  45   void CreateOrUpdateNotification(const base::string16& new_message);
  46
  47   void CreateOrUpdateSupervisedWarningNotification();
  48
  49   LabelTrayView* tray_view_;
  50
  51   // Previous login status to avoid showing notification upon unlock.
  52   user::LoginStatus status_;
  53
  54   // Previous user supervised state to avoid showing notification upon unlock.
  55   bool is_user_supervised_;
  56
  57   DISALLOW_COPY_AND_ASSIGN(TraySupervisedUser);
  58 };
  59
  60 } // namespace ash
  61
  62 #endif  // ASH_SYSTEM_CHROMEOS_SUPERVISED_TRAY_SUPERVISED_USER_H