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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_UI_USER_EDUCATION_POLLING_IDLE_OBSERVER_H_
#define CHROME_BROWSER_UI_USER_EDUCATION_POLLING_IDLE_OBSERVER_H_
#include <optional>
#include "base/memory/raw_ref.h"
#include "base/scoped_observation.h"
#include "base/time/time.h"
#include "components/user_education/common/session/user_education_session_manager.h"
#include "ui/base/idle/idle_polling_service.h"
// Used to observe the system/application idle state, for purposes of session
// tracking for User Education. This implementation uses system calls to observe
// the locked and idle state as well as the presence of a foregrounded browser
// window.
class PollingIdleObserver : public user_education::UserEducationIdleObserver,
public ui::IdlePollingService::Observer {
public:
PollingIdleObserver();
~PollingIdleObserver() override;
// IdleObserver:
void StartObserving() override;
std::optional<base::Time> MaybeGetNewLastActiveTime() const override;
private:
// Returns whether the current application is active.
bool IsChromeActive() const;
// ui::IdlePollingService::Observer:
void OnIdleStateChange(const ui::IdlePollingService::State& state) final;
base::ScopedObservation<ui::IdlePollingService,
ui::IdlePollingService::Observer>
service_observer_{this};
};
#endif // CHROME_BROWSER_UI_USER_EDUCATION_POLLING_IDLE_OBSERVER_H_
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