chromium/media/audio/power_observer_helper.h

// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef MEDIA_AUDIO_POWER_OBSERVER_HELPER_H_
#define MEDIA_AUDIO_POWER_OBSERVER_HELPER_H_

#include "base/functional/callback_forward.h"
#include "base/gtest_prod_util.h"
#include "base/memory/weak_ptr.h"
#include "base/power_monitor/power_observer.h"
#include "base/task/sequenced_task_runner.h"
#include "media/base/media_export.h"

namespace media {

// Helper class that implements PowerSuspendObserver and handles threading. A
// task runner is given, on which suspend and resume notification callbacks are
// run. It also provides a function to check if we are suspending on the task
// runner.
class MEDIA_EXPORT PowerObserverHelper : public base::PowerSuspendObserver { … };

}  // namespace media

#endif  // MEDIA_AUDIO_POWER_OBSERVER_HELPER_H_