123456789101112131415161718192021222324252627282930313233 |
- // Copyright 2021 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 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_
|