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base / power_monitor / timer_sampling_event_source.h [blame]
// 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 BASE_POWER_MONITOR_TIMER_SAMPLING_EVENT_SOURCE_H_
#define BASE_POWER_MONITOR_TIMER_SAMPLING_EVENT_SOURCE_H_
#include "base/base_export.h"
#include "base/power_monitor/sampling_event_source.h"
#include "base/time/time.h"
#include "base/timer/timer.h"
namespace base {
// Generates a sampling event at regular time intervals.
class BASE_EXPORT TimerSamplingEventSource : public SamplingEventSource {
public:
// |interval| is the time interval between sampling events.
explicit TimerSamplingEventSource(TimeDelta interval);
~TimerSamplingEventSource() override;
// SamplingEventSource:
bool Start(SamplingEventCallback callback) override;
private:
const TimeDelta interval_;
RepeatingTimer timer_;
};
} // namespace base
#endif // BASE_POWER_MONITOR_TIMER_SAMPLING_EVENT_SOURCE_H_