| // Copyright 2018 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/sync_sessions/session_model_type_controller.h" |
| |
| #include <utility> |
| |
| #include "base/bind.h" |
| #include "base/feature_list.h" |
| #include "components/prefs/pref_service.h" |
| #include "components/sync/driver/sync_auth_util.h" |
| #include "components/sync/driver/sync_service.h" |
| #include "google_apis/gaia/google_service_auth_error.h" |
| |
| namespace sync_sessions { |
| namespace { |
| |
| const base::Feature kStopSessionsIfSyncPaused{"StopSessionsIfSyncPaused", |
| base::FEATURE_ENABLED_BY_DEFAULT}; |
| |
| } // namespace |
| |
| SessionModelTypeController::SessionModelTypeController( |
| syncer::SyncService* sync_service, |
| PrefService* pref_service, |
| std::unique_ptr<syncer::ModelTypeControllerDelegate> delegate, |
| const std::string& history_disabled_pref_name) |
| : ModelTypeController(syncer::SESSIONS, std::move(delegate)), |
| sync_service_(sync_service), |
| pref_service_(pref_service), |
| history_disabled_pref_name_(history_disabled_pref_name) { |
| // TODO(crbug.com/906995): remove this observing mechanism once all sync |
| // datatypes are stopped by ProfileSyncService, when sync is paused. |
| sync_service_->AddObserver(this); |
| pref_registrar_.Init(pref_service); |
| pref_registrar_.Add( |
| history_disabled_pref_name_, |
| base::BindRepeating( |
| &SessionModelTypeController::OnSavingBrowserHistoryPrefChanged, |
| base::AsWeakPtr(this))); |
| } |
| |
| SessionModelTypeController::~SessionModelTypeController() { |
| sync_service_->RemoveObserver(this); |
| } |
| |
| syncer::DataTypeController::PreconditionState |
| SessionModelTypeController::GetPreconditionState() const { |
| DCHECK(CalledOnValidThread()); |
| bool preconditions_met = |
| !pref_service_->GetBoolean(history_disabled_pref_name_) && |
| !(syncer::IsWebSignout(sync_service_->GetAuthError()) && |
| base::FeatureList::IsEnabled(kStopSessionsIfSyncPaused)); |
| return preconditions_met ? PreconditionState::kPreconditionsMet |
| : PreconditionState::kMustStopAndKeepData; |
| } |
| |
| void SessionModelTypeController::OnStateChanged(syncer::SyncService* sync) { |
| DCHECK(CalledOnValidThread()); |
| // Most of these calls will be no-ops but SyncService handles that just fine. |
| sync_service_->DataTypePreconditionChanged(type()); |
| } |
| |
| void SessionModelTypeController::OnSavingBrowserHistoryPrefChanged() { |
| DCHECK(CalledOnValidThread()); |
| sync_service_->DataTypePreconditionChanged(type()); |
| } |
| |
| } // namespace sync_sessions |