| // 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 "components/sync/base/sync_prefs.h" |
| #include "components/sync/driver/sync_service.h" |
| #include "third_party/metrics_proto/ukm/report.pb.h" |
| |
| namespace metrics { |
| |
| // static |
| const base::Feature DemographicMetricsProvider::kDemographicMetricsReporting = { |
| "DemographicMetricsReporting", base::FEATURE_ENABLED_BY_DEFAULT}; |
| |
| 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 |