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// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_ASH_POLICY_SCHEDULED_TASK_HANDLER_SCHEDULED_TASK_EXECUTOR_H_
#define CHROME_BROWSER_ASH_POLICY_SCHEDULED_TASK_HANDLER_SCHEDULED_TASK_EXECUTOR_H_
#include <optional>
#include "base/functional/callback_forward.h"
#include "base/time/time.h"
#include "chromeos/dbus/power/native_timer.h"
#include "third_party/icu/source/i18n/unicode/calendar.h"
namespace policy {
using TimerCallback = base::OnceClosure;
// This class is used to start the native timer for a scheduled task.
class ScheduledTaskExecutor {
public:
// Frequency at which the task should occur.
enum class Frequency {
kDaily,
kWeekly,
kMonthly,
};
// Holds the data associated with the current scheduled task policy.
struct ScheduledTaskData {
ScheduledTaskData();
ScheduledTaskData(const ScheduledTaskData&);
~ScheduledTaskData();
// Corresponds to UCAL_HOUR_OF_DAY in icu::Calendar.
int hour;
// Corresponds to UCAL_MINUTE in icu::Calendar.
int minute;
Frequency frequency;
// Only set when frequency is |kWeekly|. Corresponds to UCAL_DAY_OF_WEEK in
// icu::Calendar. Values between 1 (SUNDAY) to 7 (SATURDAY).
std::optional<UCalendarDaysOfWeek> day_of_week;
// Only set when frequency is |kMonthly|. Corresponds to UCAL_DAY_OF_MONTH
// in icu::Calendar i.e. values between 1 to 31.
std::optional<int> day_of_month;
};
virtual ~ScheduledTaskExecutor() = default;
// Starts the native timer with |external_delay| added to scheduled task time.
// Runs |result_cb| with false result if there was an error while calculating
// the next_scheduled_task_time_ticks, otherwise starts NativeTimer.
virtual void Start(ScheduledTaskData* scheduled_task_data,
chromeos::OnStartNativeTimerCallback result_cb,
TimerCallback timer_expired_cb,
base::TimeDelta external_delay = base::TimeDelta()) = 0;
// Resets the native timer.
virtual void Reset() = 0;
// Gets the time when scheduled task will be executed.
virtual const base::Time GetScheduledTaskTime() const = 0;
};
} // namespace policy
#endif // CHROME_BROWSER_ASH_POLICY_SCHEDULED_TASK_HANDLER_SCHEDULED_TASK_EXECUTOR_H_
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