| // Copyright 2018 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef ASH_SYSTEM_MESSAGE_CENTER_ASH_MESSAGE_CENTER_LOCK_SCREEN_CONTROLLER_H_ |
| #define ASH_SYSTEM_MESSAGE_CENTER_ASH_MESSAGE_CENTER_LOCK_SCREEN_CONTROLLER_H_ |
| |
| #include "ash/ash_export.h" |
| #include "ash/session/session_observer.h" |
| #include "components/account_id/account_id.h" |
| #include "ui/message_center/lock_screen/lock_screen_controller.h" |
| |
| namespace ash { |
| |
| // This class implements the ASH logic for the message center. |
| class AshMessageCenterLockScreenController |
| : public message_center::LockScreenController, |
| public SessionObserver { |
| public: |
| // Modes of the lock screen notification. |
| enum class Mode { HIDE, SHOW, HIDE_SENSITIVE }; |
| |
| // Returns if the message center shows the notifications on the lock screen |
| // or not. True if it shows, false if doesn't. |
| static ASH_EXPORT bool IsEnabled(); |
| |
| // Returns the current mode of the lock screen notification. |
| static Mode GetMode(); |
| |
| AshMessageCenterLockScreenController(); |
| ~AshMessageCenterLockScreenController() override; |
| |
| // message_center::LockScreenController: |
| void DismissLockScreenThenExecute(base::OnceClosure pending_callback, |
| base::OnceClosure cancel_callback) override; |
| bool IsScreenLocked() const override; |
| |
| private: |
| // SessionObserver: |
| void OnLockStateChanged(bool locked) override; |
| void OnActiveUserSessionChanged(const AccountId& account_id) override; |
| |
| // Shows a message that asks a user to unlock the device. |
| void EncourageUserToUnlock(); |
| |
| bool locked_; |
| AccountId active_account_id_ = EmptyAccountId(); |
| base::OnceClosure pending_task_; |
| base::OnceClosure cancel_task_; |
| |
| ScopedSessionObserver scoped_session_observer_{this}; |
| |
| DISALLOW_COPY_AND_ASSIGN(AshMessageCenterLockScreenController); |
| }; |
| |
| } // namespace ash |
| |
| #endif // ASH_SYSTEM_MESSAGE_CENTER_ASH_MESSAGE_CENTER_LOCK_SCREEN_CONTROLLER_H_ |