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// Copyright 2019 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.
#include "components/metrics/demographic_metrics_provider.h"
#include "base/feature_list.h"
#include "base/metrics/histogram_functions.h"
#include "base/optional.h"
#include "build/build_config.h"
#include "components/sync/base/sync_prefs.h"
#include "components/sync/driver/sync_service.h"
#include "third_party/metrics_proto/ukm/report.pb.h"
namespace metrics {
// Enable the reporting of the user noised birth year gender in UMA by default
// for the platforms that have browser testing.
namespace {
#if defined(OS_IOS)
constexpr auto default_feature_state = base::FEATURE_DISABLED_BY_DEFAULT;
#else
constexpr auto default_feature_state = base::FEATURE_ENABLED_BY_DEFAULT;
#endif
} // namespace
// static
const base::Feature DemographicMetricsProvider::kDemographicMetricsReporting = {
"DemographicMetricsReporting", default_feature_state};
DemographicMetricsProvider::DemographicMetricsProvider(
std::unique_ptr<ProfileClient> profile_client,
MetricsLogUploader::MetricServiceType metrics_service_type)
: profile_client_(std::move(profile_client)),
metrics_service_type_(metrics_service_type) {
DCHECK(profile_client_);
}
DemographicMetricsProvider::~DemographicMetricsProvider() {}
base::Optional<syncer::UserDemographics>
DemographicMetricsProvider::ProvideSyncedUserNoisedBirthYearAndGender() {
// Skip if feature disabled.
if (!base::FeatureList::IsEnabled(kDemographicMetricsReporting))
return base::nullopt;
// Skip if not exactly one Profile on disk. Having more than one Profile that
// is using the browser can make demographics less relevant. This approach
// cannot determine if there is more than 1 distinct user using the Profile.
if (profile_client_->GetNumberOfProfilesOnDisk() != 1) {
LogUserDemographicsStatusInHistogram(
syncer::UserDemographicsStatus::kMoreThanOneProfile);
return base::nullopt;
}
syncer::SyncService* sync_service = profile_client_->GetSyncService();
// Skip if no sync service.
if (!sync_service) {
LogUserDemographicsStatusInHistogram(
syncer::UserDemographicsStatus::kNoSyncService);
return base::nullopt;
}
syncer::UserDemographicsResult demographics_result =
sync_service->GetUserNoisedBirthYearAndGender(
profile_client_->GetNetworkTime());
LogUserDemographicsStatusInHistogram(demographics_result.status());
if (demographics_result.IsSuccess())
return demographics_result.value();
return base::nullopt;
}
void DemographicMetricsProvider::ProvideCurrentSessionData(
ChromeUserMetricsExtension* uma_proto) {
ProvideSyncedUserNoisedBirthYearAndGender(uma_proto);
}
void DemographicMetricsProvider::
ProvideSyncedUserNoisedBirthYearAndGenderToReport(ukm::Report* report) {
ProvideSyncedUserNoisedBirthYearAndGender(report);
}
void DemographicMetricsProvider::LogUserDemographicsStatusInHistogram(
syncer::UserDemographicsStatus status) {
switch (metrics_service_type_) {
case MetricsLogUploader::MetricServiceType::UMA:
base::UmaHistogramEnumeration("UMA.UserDemographics.Status", status);
return;
case MetricsLogUploader::MetricServiceType::UKM:
base::UmaHistogramEnumeration("UKM.UserDemographics.Status", status);
return;
}
NOTREACHED();
}
} // namespace metrics
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