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// 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.
#ifndef COMPONENTS_CONSENT_AUDITOR_CONSENT_SYNC_BRIDGE_IMPL_H_
#define COMPONENTS_CONSENT_AUDITOR_CONSENT_SYNC_BRIDGE_IMPL_H_
#include <stdint.h>
#include <memory>
#include <string>
#include <vector>
#include "base/memory/weak_ptr.h"
#include "components/consent_auditor/consent_sync_bridge.h"
#include "components/sync/model/model_type_change_processor.h"
#include "components/sync/model/model_type_store.h"
#include "components/sync/model/model_type_sync_bridge.h"
#include "third_party/abseil-cpp/absl/types/optional.h"
namespace consent_auditor {
class ConsentSyncBridgeImpl : public ConsentSyncBridge,
public syncer::ModelTypeSyncBridge {
public:
ConsentSyncBridgeImpl(
syncer::OnceModelTypeStoreFactory store_factory,
std::unique_ptr<syncer::ModelTypeChangeProcessor> change_processor);
ConsentSyncBridgeImpl(const ConsentSyncBridgeImpl&) = delete;
ConsentSyncBridgeImpl& operator=(const ConsentSyncBridgeImpl&) = delete;
~ConsentSyncBridgeImpl() override;
// ModelTypeSyncBridge implementation.
std::unique_ptr<syncer::MetadataChangeList> CreateMetadataChangeList()
override;
absl::optional<syncer::ModelError> MergeSyncData(
std::unique_ptr<syncer::MetadataChangeList> metadata_change_list,
syncer::EntityChangeList entity_data) override;
absl::optional<syncer::ModelError> ApplySyncChanges(
std::unique_ptr<syncer::MetadataChangeList> metadata_change_list,
syncer::EntityChangeList entity_changes) override;
void GetData(StorageKeyList storage_keys, DataCallback callback) override;
void GetAllDataForDebugging(DataCallback callback) override;
std::string GetClientTag(const syncer::EntityData& entity_data) override;
std::string GetStorageKey(const syncer::EntityData& entity_data) override;
void ApplyStopSyncChanges(std::unique_ptr<syncer::MetadataChangeList>
delete_metadata_change_list) override;
// ConsentSyncBridge implementation.
void RecordConsent(
std::unique_ptr<sync_pb::UserConsentSpecifics> specifics) override;
base::WeakPtr<syncer::ModelTypeControllerDelegate> GetControllerDelegate()
override;
static std::string GetStorageKeyFromSpecificsForTest(
const sync_pb::UserConsentSpecifics& specifics);
std::unique_ptr<syncer::ModelTypeStore> StealStoreForTest();
private:
void RecordConsentImpl(
std::unique_ptr<sync_pb::UserConsentSpecifics> specifics);
// Record events in the deferred queue and clear the queue.
void ProcessQueuedEvents();
void OnStoreCreated(const absl::optional<syncer::ModelError>& error,
std::unique_ptr<syncer::ModelTypeStore> store);
void OnReadAllMetadata(const absl::optional<syncer::ModelError>& error,
std::unique_ptr<syncer::MetadataBatch> metadata_batch);
void OnCommit(const absl::optional<syncer::ModelError>& error);
void OnReadData(
DataCallback callback,
const absl::optional<syncer::ModelError>& error,
std::unique_ptr<syncer::ModelTypeStore::RecordList> data_records,
std::unique_ptr<syncer::ModelTypeStore::IdList> missing_id_list);
void OnReadAllData(
DataCallback callback,
const absl::optional<syncer::ModelError>& error,
std::unique_ptr<syncer::ModelTypeStore::RecordList> data_records);
// Resubmit all the consents persisted in the store to sync consents, which
// were preserved when sync was disabled. This may resubmit entities that the
// processor already knows about (i.e. with metadata), but it is allowed.
void ReadAllDataAndResubmit();
void OnReadAllDataToResubmit(
const absl::optional<syncer::ModelError>& error,
std::unique_ptr<syncer::ModelTypeStore::RecordList> data_records);
// Persistent storage for in flight consents. Should remain quite small, as we
// delete upon commit confirmation. May contain consents without metadata
// (e.g. persisted when sync was disabled).
std::unique_ptr<syncer::ModelTypeStore> store_;
// Used to store consents while the store or change processor are not
// ready.
std::vector<std::unique_ptr<sync_pb::UserConsentSpecifics>>
deferred_consents_while_initializing_;
base::WeakPtrFactory<ConsentSyncBridgeImpl> weak_ptr_factory_{this};
};
} // namespace consent_auditor
#endif // COMPONENTS_CONSENT_AUDITOR_CONSENT_SYNC_BRIDGE_IMPL_H_
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