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// Copyright (c) 2012 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 CHROME_BROWSER_POLICY_DEVICE_STATUS_COLLECTOR_H_
#define CHROME_BROWSER_POLICY_DEVICE_STATUS_COLLECTOR_H_
#pragma once
#include "base/time.h"
#include "base/timer.h"
#include "chrome/browser/chromeos/version_loader.h"
#include "chrome/browser/idle.h"
#include "content/public/browser/notification_observer.h"
namespace chromeos {
class CrosSettings;
namespace system {
class StatisticsProvider;
}
}
namespace enterprise_management {
class DeviceStatusReportRequest;
}
class PrefService;
namespace policy {
// Collects and summarizes the status of an enterprised-managed ChromeOS device.
class DeviceStatusCollector : public content::NotificationObserver {
public:
DeviceStatusCollector(PrefService* local_state,
chromeos::system::StatisticsProvider* provider);
virtual ~DeviceStatusCollector();
void GetStatus(enterprise_management::DeviceStatusReportRequest* request);
static void RegisterPrefs(PrefService* local_state);
// How often, in seconds, to poll to see if the user is idle.
static const unsigned int kPollIntervalSeconds = 30;
protected:
// Check whether the user has been idle for a certain period of time.
virtual void CheckIdleState();
// Used instead of base::Time::Now(), to make testing possible.
virtual base::Time GetCurrentTime();
// Callback which receives the results of the idle state check.
void IdleStateCallback(IdleState state);
// The maximum number of active periods timestamps to be stored.
unsigned int max_stored_active_periods_;
private:
void AddActivePeriod(base::Time start, base::Time end);
// Callbacks from chromeos::VersionLoader.
void OnOSVersion(chromeos::VersionLoader::Handle handle,
std::string version);
void OnOSFirmware(chromeos::VersionLoader::Handle handle,
std::string version);
// Helpers for the various portions of the status.
void GetActivityTimes(
enterprise_management::DeviceStatusReportRequest* request);
void GetVersionInfo(
enterprise_management::DeviceStatusReportRequest* request);
void GetBootMode(
enterprise_management::DeviceStatusReportRequest* request);
// Update the cached values of the reporting settings.
void UpdateReportingSettings();
// content::NotificationObserver interface.
virtual void Observe(
int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) OVERRIDE;
// How often to poll to see if the user is idle.
int poll_interval_seconds_;
PrefService* local_state_;
// The last time an idle state check was performed.
base::Time last_idle_check_;
// The idle state the last time it was checked.
IdleState last_idle_state_;
base::RepeatingTimer<DeviceStatusCollector> timer_;
chromeos::VersionLoader version_loader_;
CancelableRequestConsumer consumer_;
std::string os_version_;
std::string firmware_version_;
chromeos::system::StatisticsProvider* statistics_provider_;
chromeos::CrosSettings* cros_settings_;
// Cached values of the reporting settings from the device policy.
bool report_version_info_;
bool report_activity_times_;
bool report_boot_mode_;
DISALLOW_COPY_AND_ASSIGN(DeviceStatusCollector);
};
} // namespace policy
#endif // CHROME_BROWSER_POLICY_DEVICE_STATUS_COLLECTOR_H_
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