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// Copyright 2025 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/search_engine_choice/search_engine_choice_service_client.h"
#include "base/check_is_test.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/profiles/profile.h"
#include "components/metrics/cloned_install_detector.h"
#include "components/metrics_services_manager/metrics_services_manager.h"
#include "components/variations/service/variations_service.h"
#if BUILDFLAG(IS_CHROMEOS)
#include "chromeos/components/mgs/managed_guest_session_utils.h"
#endif
namespace search_engines {
SearchEngineChoiceServiceClient::SearchEngineChoiceServiceClient(
const Profile& profile)
: is_profile_eligible_for_dse_guest_propagation_(
#if BUILDFLAG(IS_CHROMEOS)
!chromeos::IsManagedGuestSession() &&
#endif
profile.IsGuestSession()) {
#if BUILDFLAG(IS_ANDROID)
// We don't expect Guest profiles to be supported on Android.
CHECK(!is_profile_eligible_for_dse_guest_propagation_);
#endif
}
country_codes::CountryId
SearchEngineChoiceServiceClient::GetVariationsCountry() {
return GetVariationsLatestCountry(g_browser_process->variations_service());
}
bool SearchEngineChoiceServiceClient::
IsProfileEligibleForDseGuestPropagation() {
return is_profile_eligible_for_dse_guest_propagation_;
}
bool SearchEngineChoiceServiceClient::
IsDeviceRestoreDetectedInCurrentSession() {
const metrics::ClonedInstallDetector* cloned_install_detector =
g_browser_process->GetMetricsServicesManager()
? &g_browser_process->GetMetricsServicesManager()
->GetClonedInstallDetector()
: nullptr;
if (!cloned_install_detector) {
CHECK_IS_TEST();
return false;
}
return cloned_install_detector->ClonedInstallDetectedInCurrentSession();
}
bool SearchEngineChoiceServiceClient::DoesChoicePredateDeviceRestore(
const ChoiceCompletionMetadata& choice_metadata) {
PrefService* local_state = g_browser_process->local_state();
if (!local_state) {
CHECK_IS_TEST();
return false;
}
metrics::ClonedInstallInfo cloned =
metrics::ClonedInstallDetector::ReadClonedInstallInfo(local_state);
if (!cloned.last_detection_timestamp) {
// When a user opts out of UMA, the metrics system clears the pref tracking
// when the clone detection happened. In this case we can't track the clone
// status and we then can't use it to invalidate DSE choices.
// If that has been used in the first session after the one that detected
// the clone, the search engine choice invalidation would have been done
// already, and the absence of this timestamp is not an issue.
return false;
}
return choice_metadata.timestamp.ToTimeT() < cloned.last_detection_timestamp;
}
} // namespace search_engines
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