| // Copyright 2014 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 SYNC_INTERNAL_API_SYNC_BACKUP_MANAGER_H_ |
| #define SYNC_INTERNAL_API_SYNC_BACKUP_MANAGER_H_ |
| |
| #include <set> |
| |
| #include "sync/internal_api/sync_rollback_manager_base.h" |
| #include "url/gurl.h" |
| |
| namespace syncer { |
| |
| // SyncBackupManager runs before user signs in to sync to back up user's data |
| // before sync starts. The data that's backed up can be used to restore user's |
| // settings to pre-sync state. |
| class SYNC_EXPORT_PRIVATE SyncBackupManager : public SyncRollbackManagerBase { |
| public: |
| SyncBackupManager(); |
| ~SyncBackupManager() override; |
| |
| // SyncManager implementation. |
| void Init(InitArgs* args) override; |
| void SaveChanges() override; |
| SyncStatus GetDetailedStatus() const override; |
| void ShutdownOnSyncThread(ShutdownReason reason) override; |
| |
| // DirectoryChangeDelegate implementation. |
| ModelTypeSet HandleTransactionEndingChangeEvent( |
| const syncable::ImmutableWriteTransactionInfo& write_transaction_info, |
| syncable::BaseTransaction* trans) override; |
| |
| void RegisterDirectoryTypeDebugInfoObserver( |
| syncer::TypeDebugInfoObserver* observer) override; |
| void UnregisterDirectoryTypeDebugInfoObserver( |
| syncer::TypeDebugInfoObserver* observer) override; |
| bool HasDirectoryTypeDebugInfoObserver( |
| syncer::TypeDebugInfoObserver* observer) override; |
| void RequestEmitDebugInfo() override; |
| |
| private: |
| // Replaces local IDs with server IDs and clear unsynced bit of modified |
| // entries. |
| void NormalizeEntries(); |
| |
| // Manipulate preference nodes so that they'll be overwritten by local |
| // preference values during model association, i.e. local wins instead of |
| // server wins. This is for preventing backup from changing preferences in |
| // case backup DB has hijacked preferences. |
| void HideSyncPreference(ModelType pref_type); |
| |
| // Handles of unsynced entries caused by local model changes. |
| std::set<int64> unsynced_; |
| |
| // True if NormalizeEntries() is being called. |
| bool in_normalization_; |
| |
| SyncStatus status_; |
| |
| DISALLOW_COPY_AND_ASSIGN(SyncBackupManager); |
| }; |
| |
| } // namespace syncer |
| |
| #endif // SYNC_INTERNAL_API_SYNC_BACKUP_MANAGER_H_ |