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// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/ash/child_accounts/child_status_reporting_service.h"
#include "base/functional/bind.h"
#include "base/logging.h"
#include "base/task/single_thread_task_runner.h"
#include "chrome/browser/ash/child_accounts/event_based_status_reporting_service_factory.h"
#include "chrome/browser/ash/child_accounts/usage_time_limit_processor.h"
#include "chrome/browser/ash/policy/core/user_cloud_policy_manager_ash.h"
#include "chrome/browser/ash/policy/status_collector/child_status_collector.h"
#include "chrome/browser/ash/policy/uploading/status_uploader.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/common/pref_names.h"
#include "chromeos/ash/components/system/statistics_provider.h"
#include "components/policy/core/common/cloud/cloud_policy_client.h"
#include "components/policy/core/common/cloud/cloud_policy_core.h"
#include "components/prefs/pref_change_registrar.h"
#include "components/prefs/pref_service.h"
#include "content/public/browser/browser_context.h"
namespace ash {
namespace {
// Default frequency for uploading status reports.
constexpr base::TimeDelta kStatusUploadFrequency = base::Minutes(10);
} // namespace
ChildStatusReportingService::ChildStatusReportingService(
content::BrowserContext* context)
: context_(context) {
Profile* profile = Profile::FromBrowserContext(context_);
// If child user is registered with DMServer and has User Policy applied, it
// should upload device status to the server.
user_cloud_policy_manager_ = profile->GetUserCloudPolicyManagerAsh();
if (!user_cloud_policy_manager_) {
LOG(WARNING) << "Child user is not managed by User Policy - status reports "
"cannot be uploaded to the server. ";
return;
}
PrefService* pref_service = profile->GetPrefs();
DCHECK(pref_service->GetInitializationStatus() !=
PrefService::INITIALIZATION_STATUS_WAITING);
// We immediately upload a status report after Time Limits policy changes.
// Make sure we listen for those events.
pref_change_registrar_ = std::make_unique<PrefChangeRegistrar>();
pref_change_registrar_->Init(pref_service);
pref_change_registrar_->Add(
prefs::kUsageTimeLimit,
base::BindRepeating(
&ChildStatusReportingService::OnTimeLimitsPolicyChanged,
base::Unretained(this)));
CreateStatusUploaderIfNeeded(user_cloud_policy_manager_->core()->client());
EventBasedStatusReportingServiceFactory::GetForBrowserContext(context);
}
ChildStatusReportingService::~ChildStatusReportingService() = default;
void ChildStatusReportingService::CreateStatusUploaderIfNeeded(
policy::CloudPolicyClient* client) {
const base::Value::Dict& time_limit =
pref_change_registrar_->prefs()->GetDict(prefs::kUsageTimeLimit);
const base::TimeDelta new_day_reset_time =
usage_time_limit::GetTimeUsageLimitResetTime(time_limit);
// Day reset time did not change, there is no need to re-create StatusUploader
// if it already exists.
if (status_uploader_ && (day_reset_time_ == new_day_reset_time))
return;
VLOG(1) << "Creating status uploader for child status reporting.";
day_reset_time_ = new_day_reset_time;
status_uploader_ = std::make_unique<policy::StatusUploader>(
client,
std::make_unique<policy::ChildStatusCollector>(
pref_change_registrar_->prefs(),
Profile::FromBrowserContext(context_),
system::StatisticsProvider::GetInstance(),
policy::ChildStatusCollector::AndroidStatusFetcher(),
day_reset_time_),
base::SingleThreadTaskRunner::GetCurrentDefault(),
kStatusUploadFrequency);
}
bool ChildStatusReportingService::RequestImmediateStatusReport() {
return status_uploader_->ScheduleNextStatusUploadImmediately();
}
base::TimeDelta ChildStatusReportingService::GetChildScreenTime() const {
// Notice that this cast works because we know that |status_uploader_| has a
// ChildStatusCollector (see above).
return static_cast<policy::ChildStatusCollector*>(
status_uploader_->status_collector())
->GetActiveChildScreenTime();
}
void ChildStatusReportingService::OnTimeLimitsPolicyChanged() {
CreateStatusUploaderIfNeeded(user_cloud_policy_manager_->core()->client());
}
} // namespace ash
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