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