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// Copyright 2019 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_user_service.h"
#include "base/check.h"
#include "base/functional/bind.h"
#include "base/metrics/histogram_functions.h"
#include "base/notimplemented.h"
#include "base/notreached.h"
#include "base/time/time.h"
#include "base/values.h"
#include "chrome/browser/ash/child_accounts/time_limits/app_activity_registry.h"
#include "chrome/browser/ash/child_accounts/time_limits/app_time_controller.h"
#include "chrome/browser/ash/child_accounts/time_limits/app_types.h"
#include "chrome/browser/ash/child_accounts/usage_time_limit_processor.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/common/pref_names.h"
#include "components/app_constants/constants.h"
#include "components/prefs/pref_service.h"
#include "content/public/browser/browser_context.h"
#include "url/gurl.h"
namespace ash {
namespace {
// UMA histogram FamilyUser.TimeLimitPolicyTypes
// Reports TimeLimitPolicyType which indicates what time limit policies
// are enabled for current Family Link user. Could report multiple buckets if
// multiple policies are enabled.
constexpr char kTimeLimitPolicyTypesHistogramName[] =
"FamilyUser.TimeLimitPolicyTypes";
ChildUserService::TimeLimitPolicyType GetTimeLimitPolicyType(
usage_time_limit::PolicyType policy_type) {
ChildUserService::TimeLimitPolicyType time_limit_policy;
switch (policy_type) {
case usage_time_limit::PolicyType::kFixedLimit:
time_limit_policy = ChildUserService::TimeLimitPolicyType::kBedTimeLimit;
break;
case usage_time_limit::PolicyType::kUsageLimit:
time_limit_policy =
ChildUserService::TimeLimitPolicyType::kScreenTimeLimit;
break;
case usage_time_limit::PolicyType::kOverride:
time_limit_policy =
ChildUserService::TimeLimitPolicyType::kOverrideTimeLimit;
break;
case usage_time_limit::PolicyType::kNoPolicy:
time_limit_policy = ChildUserService::TimeLimitPolicyType::kNoTimeLimit;
break;
default:
NOTREACHED();
}
return time_limit_policy;
}
} // namespace
ChildUserService::TestApi::TestApi(ChildUserService* service)
: service_(service) {}
ChildUserService::TestApi::~TestApi() = default;
app_time::AppTimeController* ChildUserService::TestApi::app_time_controller() {
return service_->app_time_controller_.get();
}
// static
const char* ChildUserService::GetTimeLimitPolicyTypesHistogramNameForTest() {
return kTimeLimitPolicyTypesHistogramName;
}
ChildUserService::ChildUserService(content::BrowserContext* context)
: profile_(Profile::FromBrowserContext(context)),
app_time_controller_(std::make_unique<app_time::AppTimeController>(
profile_,
base::BindRepeating(&ChildUserService::ReportTimeLimitPolicy,
base::Unretained(this)))),
website_approval_notifier_(profile_) {
DCHECK(profile_);
app_time_controller_->Init();
pref_change_registrar_.Init(profile_->GetPrefs());
pref_change_registrar_.Add(
prefs::kUsageTimeLimit,
base::BindRepeating(&ChildUserService::ReportTimeLimitPolicy,
base::Unretained(this)));
}
ChildUserService::~ChildUserService() = default;
void ChildUserService::PauseWebActivity(const std::string& app_service_id) {
NOTIMPLEMENTED();
}
void ChildUserService::ResumeWebActivity(const std::string& app_service_id) {
NOTIMPLEMENTED();
}
std::optional<base::TimeDelta> ChildUserService::GetTimeLimitForApp(
const std::string& app_service_id,
apps::AppType app_type) {
if (!app_time_controller_)
return std::nullopt;
return app_time_controller_->GetTimeLimitForApp(app_service_id, app_type);
}
app_time::AppActivityReportInterface::ReportParams
ChildUserService::GenerateAppActivityReport(
enterprise_management::ChildStatusReportRequest* report) {
DCHECK(app_time_controller_);
app_time_controller_->app_registry()->GenerateHiddenApps(report);
return app_time_controller_->app_registry()->GenerateAppActivityReport(
report);
}
void ChildUserService::AppActivityReportSubmitted(
base::Time report_generation_timestamp) {
DCHECK(app_time_controller_);
app_time_controller_->app_registry()->OnSuccessfullyReported(
report_generation_timestamp);
}
bool ChildUserService::AppTimeLimitAllowlistedApp(
const app_time::AppId& app_id) const {
if (!app_time_controller_)
return false;
return app_time_controller_->app_registry()->IsAllowlistedApp(app_id);
}
void ChildUserService ::ReportTimeLimitPolicy() const {
const base::Value::Dict& time_limit_prefs =
profile_->GetPrefs()->GetDict(prefs::kUsageTimeLimit);
std::set<usage_time_limit::PolicyType> enabled_policies =
usage_time_limit::GetEnabledTimeLimitPolicies(time_limit_prefs);
for (const auto& policy_type : enabled_policies) {
TimeLimitPolicyType time_limit_policy = GetTimeLimitPolicyType(policy_type);
// `enabled_policies` does not contains
// usage_time_limit::PolicyType::kNoPolicy, so `time_limit_policy` never
// equals to TimeLimitPolicyType::kNoTimeLimit.
if (time_limit_policy == TimeLimitPolicyType::kNoTimeLimit)
continue;
base::UmaHistogramEnumeration(
/*name=*/kTimeLimitPolicyTypesHistogramName,
/*sample=*/time_limit_policy);
}
bool has_policy_enabled = !enabled_policies.empty();
DCHECK(app_time_controller_);
if (app_time_controller_->HasAppTimeLimitRestriction()) {
base::UmaHistogramEnumeration(
/*name=*/kTimeLimitPolicyTypesHistogramName,
/*sample=*/TimeLimitPolicyType::kAppTimeLimit);
has_policy_enabled = true;
}
if (!has_policy_enabled) {
base::UmaHistogramEnumeration(
/*name=*/kTimeLimitPolicyTypesHistogramName,
/*sample=*/TimeLimitPolicyType::kNoTimeLimit);
}
}
void ChildUserService::Shutdown() {
if (app_time_controller_) {
app_time_controller_->app_registry()->SaveAppActivity();
app_time_controller_->RecordMetricsOnShutdown();
app_time_controller_.reset();
}
pref_change_registrar_.Remove(prefs::kUsageTimeLimit);
}
} // namespace ash
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