// 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_