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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_ASH_ARC_IDLE_MANAGER_ARC_CPU_THROTTLE_OBSERVER_H_
#define CHROME_BROWSER_ASH_ARC_IDLE_MANAGER_ARC_CPU_THROTTLE_OBSERVER_H_
#include "chromeos/ash/components/throttle/throttle_observer.h"
#include "chromeos/ash/components/throttle/throttle_service.h"
namespace arc {
inline constexpr char kArcCpuThrottleObserverName[] = "ArcCpuThrottleObserver";
// This class observes ARCVM's instance throttle and sets the state to active
// whenever ARCVM is NOT being throttled.
class ArcCpuThrottleObserver : public ash::ThrottleObserver,
public ash::ThrottleService::ServiceObserver {
public:
ArcCpuThrottleObserver();
ArcCpuThrottleObserver(const ArcCpuThrottleObserver&) = delete;
ArcCpuThrottleObserver& operator=(const ArcCpuThrottleObserver&) = delete;
~ArcCpuThrottleObserver() override = default;
// ash::ThrottleObserver:
void StartObserving(content::BrowserContext*,
const ObserverStateChangedCallback& callback) override;
// Callers must call StopObserving() once for every use of StartObserving(),
// and must not destroy this object while in Observing state.
void StopObserving() override;
// ash:ThrottleService::ServiceObserver:
void OnThrottle(bool throttled) override;
};
} // namespace arc
#endif // CHROME_BROWSER_ASH_ARC_IDLE_MANAGER_ARC_CPU_THROTTLE_OBSERVER_H_
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