| // 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/unified_consent/url_keyed_data_collection_consent_helper.h" |
| |
| #include "base/bind.h" |
| #include "components/prefs/pref_change_registrar.h" |
| #include "components/prefs/pref_service.h" |
| #include "components/sync/base/model_type.h" |
| #include "components/sync/driver/sync_service.h" |
| #include "components/sync/driver/sync_service_observer.h" |
| #include "components/sync/driver/sync_service_utils.h" |
| #include "components/unified_consent/pref_names.h" |
| |
| namespace unified_consent { |
| |
| namespace { |
| |
| class PrefBasedUrlKeyedDataCollectionConsentHelper |
| : public UrlKeyedDataCollectionConsentHelper { |
| public: |
| explicit PrefBasedUrlKeyedDataCollectionConsentHelper( |
| PrefService* pref_service); |
| ~PrefBasedUrlKeyedDataCollectionConsentHelper() override = default; |
| |
| // UrlKeyedDataCollectionConsentHelper: |
| bool IsEnabled() override; |
| |
| private: |
| void OnPrefChanged(); |
| PrefService* pref_service_; // weak (must outlive this) |
| PrefChangeRegistrar pref_change_registrar_; |
| |
| DISALLOW_COPY_AND_ASSIGN(PrefBasedUrlKeyedDataCollectionConsentHelper); |
| }; |
| |
| class SyncBasedUrlKeyedDataCollectionConsentHelper |
| : public UrlKeyedDataCollectionConsentHelper, |
| syncer::SyncServiceObserver { |
| public: |
| SyncBasedUrlKeyedDataCollectionConsentHelper( |
| syncer::SyncService* sync_service, |
| syncer::ModelType sync_data_type); |
| ~SyncBasedUrlKeyedDataCollectionConsentHelper() override; |
| |
| // UrlKeyedDataCollectionConsentHelper: |
| bool IsEnabled() override; |
| |
| // syncer::SyncServiceObserver: |
| void OnStateChanged(syncer::SyncService* sync) override; |
| void OnSyncShutdown(syncer::SyncService* sync) override; |
| |
| private: |
| syncer::SyncService* sync_service_; |
| syncer::ModelType sync_data_type_; |
| syncer::UploadState sync_data_type_upload_state_; |
| |
| DISALLOW_COPY_AND_ASSIGN(SyncBasedUrlKeyedDataCollectionConsentHelper); |
| }; |
| |
| PrefBasedUrlKeyedDataCollectionConsentHelper:: |
| PrefBasedUrlKeyedDataCollectionConsentHelper(PrefService* pref_service) |
| : pref_service_(pref_service) { |
| pref_change_registrar_.Init(pref_service_); |
| pref_change_registrar_.Add( |
| prefs::kUrlKeyedAnonymizedDataCollectionEnabled, |
| base::BindRepeating( |
| &PrefBasedUrlKeyedDataCollectionConsentHelper::OnPrefChanged, |
| base::Unretained(this))); |
| } |
| |
| bool PrefBasedUrlKeyedDataCollectionConsentHelper::IsEnabled() { |
| return pref_service_->GetBoolean( |
| prefs::kUrlKeyedAnonymizedDataCollectionEnabled); |
| } |
| |
| void PrefBasedUrlKeyedDataCollectionConsentHelper::OnPrefChanged() { |
| FireOnStateChanged(); |
| } |
| |
| SyncBasedUrlKeyedDataCollectionConsentHelper:: |
| SyncBasedUrlKeyedDataCollectionConsentHelper( |
| syncer::SyncService* sync_service, |
| syncer::ModelType sync_data_type) |
| : sync_service_(sync_service), |
| sync_data_type_(sync_data_type), |
| sync_data_type_upload_state_( |
| syncer::GetUploadToGoogleState(sync_service_, sync_data_type_)) { |
| DCHECK(sync_service_); |
| sync_service_->AddObserver(this); |
| } |
| |
| SyncBasedUrlKeyedDataCollectionConsentHelper:: |
| ~SyncBasedUrlKeyedDataCollectionConsentHelper() { |
| if (sync_service_) |
| sync_service_->RemoveObserver(this); |
| } |
| |
| bool SyncBasedUrlKeyedDataCollectionConsentHelper::IsEnabled() { |
| return sync_data_type_upload_state_ == syncer::UploadState::ACTIVE; |
| } |
| |
| void SyncBasedUrlKeyedDataCollectionConsentHelper::OnStateChanged( |
| syncer::SyncService* sync_service) { |
| DCHECK_EQ(sync_service_, sync_service); |
| bool enabled_before_state_updated = IsEnabled(); |
| sync_data_type_upload_state_ = |
| syncer::GetUploadToGoogleState(sync_service_, sync_data_type_); |
| |
| if (enabled_before_state_updated != IsEnabled()) |
| FireOnStateChanged(); |
| } |
| |
| void SyncBasedUrlKeyedDataCollectionConsentHelper::OnSyncShutdown( |
| syncer::SyncService* sync_service) { |
| DCHECK_EQ(sync_service_, sync_service); |
| sync_service_->RemoveObserver(this); |
| sync_service_ = nullptr; |
| } |
| |
| } // namespace |
| |
| UrlKeyedDataCollectionConsentHelper::UrlKeyedDataCollectionConsentHelper() = |
| default; |
| UrlKeyedDataCollectionConsentHelper::~UrlKeyedDataCollectionConsentHelper() = |
| default; |
| |
| // static |
| std::unique_ptr<UrlKeyedDataCollectionConsentHelper> |
| UrlKeyedDataCollectionConsentHelper::NewAnonymizedDataCollectionConsentHelper( |
| bool is_unified_consent_enabled, |
| PrefService* pref_service, |
| syncer::SyncService* sync_service) { |
| if (is_unified_consent_enabled) { |
| return std::make_unique<PrefBasedUrlKeyedDataCollectionConsentHelper>( |
| pref_service); |
| } |
| |
| return std::make_unique<SyncBasedUrlKeyedDataCollectionConsentHelper>( |
| sync_service, syncer::ModelType::HISTORY_DELETE_DIRECTIVES); |
| } |
| |
| // static |
| std::unique_ptr<UrlKeyedDataCollectionConsentHelper> |
| UrlKeyedDataCollectionConsentHelper::NewPersonalizedDataCollectionConsentHelper( |
| bool is_unified_consent_enabled, |
| syncer::SyncService* sync_service) { |
| syncer::ModelType sync_type = |
| is_unified_consent_enabled ? syncer::ModelType::USER_EVENTS |
| : syncer::ModelType::HISTORY_DELETE_DIRECTIVES; |
| return std::make_unique<SyncBasedUrlKeyedDataCollectionConsentHelper>( |
| sync_service, sync_type); |
| } |
| |
| void UrlKeyedDataCollectionConsentHelper::AddObserver(Observer* observer) { |
| observer_list_.AddObserver(observer); |
| } |
| void UrlKeyedDataCollectionConsentHelper::RemoveObserver(Observer* observer) { |
| observer_list_.RemoveObserver(observer); |
| } |
| |
| void UrlKeyedDataCollectionConsentHelper::FireOnStateChanged() { |
| for (auto& observer : observer_list_) |
| observer.OnUrlKeyedDataCollectionConsentStateChanged(this); |
| } |
| |
| } // namespace unified_consent |