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// Copyright 2023 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_VMM_ARC_SYSTEM_STATE_OBSERVATION_H_
#define CHROME_BROWSER_ASH_ARC_VMM_ARC_SYSTEM_STATE_OBSERVATION_H_
#include <optional>
#include "base/functional/callback_forward.h"
#include "base/scoped_observation.h"
#include "chrome/browser/ash/app_list/arc/arc_app_list_prefs.h"
#include "chromeos/ash/components/throttle/throttle_service.h"
namespace content {
class BrowserContext;
}
namespace arc {
class PeaceDurationProvider {
public:
virtual ~PeaceDurationProvider() = default;
virtual std::optional<base::TimeDelta> GetPeaceDuration() = 0;
virtual void SetDurationResetCallback(base::RepeatingClosure cb) = 0;
};
class ArcSystemStateObservation : public ash::ThrottleService,
public ArcAppListPrefs::Observer,
public PeaceDurationProvider {
public:
explicit ArcSystemStateObservation(content::BrowserContext* context);
ArcSystemStateObservation(const ArcSystemStateObservation&) = delete;
ArcSystemStateObservation& operator=(const ArcSystemStateObservation&) =
delete;
~ArcSystemStateObservation() override;
std::optional<base::TimeDelta> GetPeaceDuration() override;
void SetDurationResetCallback(base::RepeatingClosure cb) override;
base::WeakPtr<ArcSystemStateObservation> GetWeakPtr();
// ash::ThrottleService override:
void ThrottleInstance(bool should_throttle) override;
// ArcAppListPrefs::Observer:
void OnAppStatesChanged(const std::string& id,
const ArcAppListPrefs::AppInfo& app_info) override;
void OnArcAppListPrefsDestroyed() override;
private:
bool arc_running_ = false;
std::optional<base::Time> last_peace_timestamp_;
base::RepeatingClosure active_callback_;
base::ScopedObservation<ArcAppListPrefs, ArcAppListPrefs::Observer>
app_prefs_observation_{this};
base::WeakPtrFactory<ArcSystemStateObservation> weak_ptr_factory_{this};
};
} // namespace arc
#endif // CHROME_BROWSER_ASH_ARC_VMM_ARC_SYSTEM_STATE_OBSERVATION_H_
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