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// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROMEOS_ASH_COMPONENTS_POLICY_RESTRICTION_SCHEDULE_DEVICE_RESTRICTION_SCHEDULE_CONTROLLER_H_
#define CHROMEOS_ASH_COMPONENTS_POLICY_RESTRICTION_SCHEDULE_DEVICE_RESTRICTION_SCHEDULE_CONTROLLER_H_
#include <memory>
#include <string>
#include "base/component_export.h"
#include "base/observer_list_types.h"
#include "base/time/time.h"
class PrefRegistrySimple;
class PrefService;
namespace base {
class Clock;
class WallClockTimer;
} // namespace base
namespace policy {
// This class observes the pref `kDeviceRestrictionSchedule`, and handles
// restricting the device access when the schedule is active.
class COMPONENT_EXPORT(CHROMEOS_ASH_COMPONENTS_POLICY)
DeviceRestrictionScheduleController {
public:
class Delegate {
public:
virtual ~Delegate() = default;
// Checks if a user is logged in.
virtual bool IsUserLoggedIn() const = 0;
// Shows an in-session notification about upcoming forced logout.
virtual void ShowUpcomingLogoutNotification(base::Time logout_time) = 0;
// Shows a login-screen notification after the forced logout.
virtual void ShowPostLogoutNotification() = 0;
};
class Observer : public base::CheckedObserver {
public:
// Called when the restriction schedule state changes. `enabled` is set to
// true if restriction schedule is enabled, and false otherwise.
virtual void OnRestrictionScheduleStateChanged(bool enabled) = 0;
// Called when the restriction schedule message changes.
virtual void OnRestrictionScheduleMessageChanged() = 0;
};
static std::unique_ptr<DeviceRestrictionScheduleController> Create(
PrefService& local_state);
static std::unique_ptr<DeviceRestrictionScheduleController>
CreateWithDelegate(std::unique_ptr<Delegate> delegate,
PrefService& local_state);
static void RegisterLocalStatePrefs(PrefRegistrySimple* registry);
virtual ~DeviceRestrictionScheduleController() = default;
virtual bool RestrictionScheduleEnabled() const = 0;
virtual std::u16string RestrictionScheduleEndDay() const = 0;
virtual std::u16string RestrictionScheduleEndTime() const = 0;
virtual void SetClockForTesting(const base::Clock& clock) = 0;
virtual void SetMessageUpdateTimerForTesting(
std::unique_ptr<base::WallClockTimer> timer) = 0;
virtual void AddObserver(Observer* observer) = 0;
virtual void RemoveObserver(Observer* observer) = 0;
};
} // namespace policy
#endif // CHROMEOS_ASH_COMPONENTS_POLICY_RESTRICTION_SCHEDULE_DEVICE_RESTRICTION_SCHEDULE_CONTROLLER_H_
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