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      1 // Copyright 2014 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef SYNC_INTERNAL_API_SYNC_ROLLBACK_MANAGER_H_
      6 #define SYNC_INTERNAL_API_SYNC_ROLLBACK_MANAGER_H_
      7 
      8 #include <string>
      9 #include <vector>
     10 
     11 #include "sync/internal_api/sync_rollback_manager_base.h"
     12 
     13 namespace syncer {
     14 
     15 // SyncRollbackManager restores user's data to pre-sync state using backup
     16 // DB created by SyncBackupManager.
     17 class SYNC_EXPORT_PRIVATE SyncRollbackManager : public SyncRollbackManagerBase {
     18  public:
     19   SyncRollbackManager();
     20   virtual ~SyncRollbackManager();
     21 
     22   // SyncManager implementation.
     23   virtual void Init(
     24       const base::FilePath& database_location,
     25       const WeakHandle<JsEventHandler>& event_handler,
     26       const std::string& sync_server_and_path,
     27       int sync_server_port,
     28       bool use_ssl,
     29       scoped_ptr<HttpPostProviderFactory> post_factory,
     30       const std::vector<scoped_refptr<ModelSafeWorker> >& workers,
     31       ExtensionsActivity* extensions_activity,
     32       SyncManager::ChangeDelegate* change_delegate,
     33       const SyncCredentials& credentials,
     34       const std::string& invalidator_client_id,
     35       const std::string& restored_key_for_bootstrapping,
     36       const std::string& restored_keystore_key_for_bootstrapping,
     37       InternalComponentsFactory* internal_components_factory,
     38       Encryptor* encryptor,
     39       scoped_ptr<UnrecoverableErrorHandler> unrecoverable_error_handler,
     40       ReportUnrecoverableErrorFunction
     41           report_unrecoverable_error_function,
     42       CancelationSignal* cancelation_signal) OVERRIDE;
     43   virtual void StartSyncingNormally(
     44       const ModelSafeRoutingInfo& routing_info) OVERRIDE;
     45 
     46  private:
     47   // Deletes specified entries in local model.
     48   SyncerError DeleteOnWorkerThread(ModelType type, std::vector<int64> handles);
     49 
     50   void NotifyRollbackDone();
     51 
     52   std::map<ModelSafeGroup, scoped_refptr<ModelSafeWorker> > workers_;
     53 
     54   SyncManager::ChangeDelegate* change_delegate_;
     55 
     56   // Types that can be rolled back.
     57   ModelTypeSet rollback_ready_types_;
     58 
     59   DISALLOW_COPY_AND_ASSIGN(SyncRollbackManager);
     60 };
     61 
     62 }  // namespace syncer
     63 
     64 #endif  // SYNC_INTERNAL_API_SYNC_ROLLBACK_MANAGER_H_
     65