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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_ON_BATTERY_OBSERVER_H_
#define CHROME_BROWSER_ASH_ARC_IDLE_MANAGER_ARC_ON_BATTERY_OBSERVER_H_
#include "chromeos/ash/components/throttle/throttle_observer.h"
#include "chromeos/dbus/power/power_manager_client.h"
namespace arc {
inline constexpr char kArcOnBatteryObserverName[] = "ArcOnBatteryObserver";
// Listens ARC power events and lifts CPU throttling when needed.
class ArcOnBatteryObserver : public ash::ThrottleObserver,
public chromeos::PowerManagerClient::Observer {
public:
ArcOnBatteryObserver();
ArcOnBatteryObserver(const ArcOnBatteryObserver&) = delete;
ArcOnBatteryObserver& operator=(const ArcOnBatteryObserver&) = delete;
~ArcOnBatteryObserver() override = default;
// chromeos::ThrottleObserver:
void StartObserving(content::BrowserContext* context,
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;
// chromeos::PowerManagerClient::Observer:
void PowerChanged(const power_manager::PowerSupplyProperties& proto) override;
};
} // namespace arc
#endif // CHROME_BROWSER_ASH_ARC_IDLE_MANAGER_ARC_ON_BATTERY_OBSERVER_H_
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