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// Copyright 2020 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 THIRD_PARTY_BLINK_RENDERER_PLATFORM_SCHEDULER_MAIN_THREAD_NON_WAKING_TIME_DOMAIN_H_
#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_SCHEDULER_MAIN_THREAD_NON_WAKING_TIME_DOMAIN_H_
#include "base/task/sequence_manager/time_domain.h"
#include "base/time/tick_clock.h"
namespace blink {
namespace scheduler {
// A time domain which never generates wake-ups on its own. Useful for tasks
// which should run only when the system is non-idle.
class NonWakingTimeDomain : public base::sequence_manager::TimeDomain {
public:
explicit NonWakingTimeDomain(const base::TickClock* tick_clock);
~NonWakingTimeDomain() override;
// TimeDomain:
base::sequence_manager::LazyNow CreateLazyNow() const override;
base::TimeTicks Now() const override;
base::Optional<base::TimeDelta> DelayTillNextTask(
base::sequence_manager::LazyNow* lazy_now) override;
bool MaybeFastForwardToNextTask(bool quit_when_idle_requested) override;
const char* GetName() const override;
void SetNextDelayedDoWork(base::sequence_manager::LazyNow* lazy_now,
base::TimeTicks run_time) override;
private:
const base::TickClock* tick_clock_;
};
} // namespace scheduler
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_PLATFORM_SCHEDULER_MAIN_THREAD_NON_WAKING_TIME_DOMAIN_H_
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