src/sync/internal_api/sync_rollback_manager_base.h

   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_BASE_H_
   6 #define SYNC_INTERNAL_API_SYNC_ROLLBACK_MANAGER_BASE_H_
   7
   8 #include <string>
   9 #include <vector>
  10
  11 #include "sync/base/sync_export.h"
  12 #include "sync/internal_api/public/http_post_provider_factory.h"
  13 #include "sync/internal_api/public/sync_manager.h"
  14 #include "sync/internal_api/public/user_share.h"
  15 #include "sync/syncable/directory_change_delegate.h"
  16 #include "sync/syncable/transaction_observer.h"
  17
  18 namespace syncer {
  19
  20 class WriteTransaction;
  21
  22 // Base class of sync managers used for backup and rollback. Two major
  23 // functions are:
  24 //   * Init(): load backup DB into sync directory.
  25 //   * ConfigureSyncer(): initialize permanent sync nodes (root, bookmark
  26 //                        permanent folders) for configured type as needed.
  27 //
  28 // Most of other functions are no ops.
  29 class SYNC_EXPORT_PRIVATE SyncRollbackManagerBase :
  30     public SyncManager,
  31     public syncable::DirectoryChangeDelegate,
  32     public syncable::TransactionObserver {
  33  public:
  34   SyncRollbackManagerBase();
  35   virtual ~SyncRollbackManagerBase();
  36
  37   // SyncManager implementation.
  38   virtual void Init(
  39       const base::FilePath& database_location,
  40       const WeakHandle<JsEventHandler>& event_handler,
  41       const std::string& sync_server_and_path,
  42       int sync_server_port,
  43       bool use_ssl,
  44       scoped_ptr<HttpPostProviderFactory> post_factory,
  45       const std::vector<scoped_refptr<ModelSafeWorker> >& workers,
  46       ExtensionsActivity* extensions_activity,
  47       SyncManager::ChangeDelegate* change_delegate,
  48       const SyncCredentials& credentials,
  49       const std::string& invalidator_client_id,
  50       const std::string& restored_key_for_bootstrapping,
  51       const std::string& restored_keystore_key_for_bootstrapping,
  52       InternalComponentsFactory* internal_components_factory,
  53       Encryptor* encryptor,
  54       scoped_ptr<UnrecoverableErrorHandler> unrecoverable_error_handler,
  55       ReportUnrecoverableErrorFunction
  56           report_unrecoverable_error_function,
  57       CancelationSignal* cancelation_signal) OVERRIDE;
  58   virtual void ThrowUnrecoverableError() OVERRIDE;
  59   virtual ModelTypeSet InitialSyncEndedTypes() OVERRIDE;
  60   virtual ModelTypeSet GetTypesWithEmptyProgressMarkerToken(
  61       ModelTypeSet types) OVERRIDE;
  62   virtual bool PurgePartiallySyncedTypes() OVERRIDE;
  63   virtual void UpdateCredentials(const SyncCredentials& credentials) OVERRIDE;
  64   virtual void StartSyncingNormally(const ModelSafeRoutingInfo& routing_info)
  65       OVERRIDE;
  66   virtual void ConfigureSyncer(
  67       ConfigureReason reason,
  68       ModelTypeSet to_download,
  69       ModelTypeSet to_purge,
  70       ModelTypeSet to_journal,
  71       ModelTypeSet to_unapply,
  72       const ModelSafeRoutingInfo& new_routing_info,
  73       const base::Closure& ready_task,
  74       const base::Closure& retry_task) OVERRIDE;
  75   virtual void OnInvalidatorStateChange(InvalidatorState state) OVERRIDE;
  76   virtual void OnIncomingInvalidation(
  77       const ObjectIdInvalidationMap& invalidation_map) OVERRIDE;
  78   virtual void AddObserver(SyncManager::Observer* observer) OVERRIDE;
  79   virtual void RemoveObserver(SyncManager::Observer* observer) OVERRIDE;
  80   virtual SyncStatus GetDetailedStatus() const OVERRIDE;
  81   virtual void SaveChanges() OVERRIDE;
  82   virtual void ShutdownOnSyncThread() OVERRIDE;
  83   virtual UserShare* GetUserShare() OVERRIDE;
  84   virtual const std::string cache_guid() OVERRIDE;
  85   virtual bool ReceivedExperiment(Experiments* experiments) OVERRIDE;
  86   virtual bool HasUnsyncedItems() OVERRIDE;
  87   virtual SyncEncryptionHandler* GetEncryptionHandler() OVERRIDE;
  88   virtual void RefreshTypes(ModelTypeSet types) OVERRIDE;
  89   virtual std::string GetOwnerName() const OVERRIDE;
  90   virtual SyncCoreProxy* GetSyncCoreProxy() OVERRIDE;
  91   virtual ScopedVector<ProtocolEvent> GetBufferedProtocolEvents()
  92       OVERRIDE;
  93   virtual scoped_ptr<base::ListValue> GetAllNodesForType(
  94       syncer::ModelType type) OVERRIDE;
  95
  96   // DirectoryChangeDelegate implementation.
  97   virtual void HandleTransactionCompleteChangeEvent(
  98       ModelTypeSet models_with_changes) OVERRIDE;
  99   virtual ModelTypeSet HandleTransactionEndingChangeEvent(
 100       const syncable::ImmutableWriteTransactionInfo& write_transaction_info,
 101       syncable::BaseTransaction* trans) OVERRIDE;
 102   virtual void HandleCalculateChangesChangeEventFromSyncApi(
 103       const syncable::ImmutableWriteTransactionInfo& write_transaction_info,
 104       syncable::BaseTransaction* trans,
 105       std::vector<int64>* entries_changed) OVERRIDE;
 106   virtual void HandleCalculateChangesChangeEventFromSyncer(
 107       const syncable::ImmutableWriteTransactionInfo& write_transaction_info,
 108       syncable::BaseTransaction* trans,
 109       std::vector<int64>* entries_changed) OVERRIDE;
 110
 111   // syncable::TransactionObserver implementation.
 112   virtual void OnTransactionWrite(
 113       const syncable::ImmutableWriteTransactionInfo& write_transaction_info,
 114       ModelTypeSet models_with_changes) OVERRIDE;
 115
 116   virtual void RegisterDirectoryTypeDebugInfoObserver(
 117       syncer::TypeDebugInfoObserver* observer) OVERRIDE;
 118   virtual void UnregisterDirectoryTypeDebugInfoObserver(
 119       syncer::TypeDebugInfoObserver* observer) OVERRIDE;
 120   virtual bool HasDirectoryTypeDebugInfoObserver(
 121       syncer::TypeDebugInfoObserver* observer) OVERRIDE;
 122   virtual void RequestEmitDebugInfo() OVERRIDE;
 123
 124  private:
 125   void NotifyInitializationSuccess();
 126   void NotifyInitializationFailure();
 127
 128   bool InitBackupDB(
 129       const base::FilePath& sync_folder,
 130       InternalComponentsFactory* internal_components_factory);
 131
 132   bool InitTypeRootNode(ModelType type);
 133   void InitBookmarkFolder(const std::string& folder);
 134
 135   UserShare share_;
 136   ObserverList<SyncManager::Observer> observers_;
 137
 138   scoped_ptr<UnrecoverableErrorHandler> unrecoverable_error_handler_;
 139   ReportUnrecoverableErrorFunction report_unrecoverable_error_function_;
 140
 141   base::WeakPtrFactory<SyncRollbackManagerBase> weak_ptr_factory_;
 142
 143   scoped_ptr<SyncEncryptionHandler> dummy_handler_;
 144
 145   DISALLOW_COPY_AND_ASSIGN(SyncRollbackManagerBase);
 146 };
 147
 148 }  // namespace syncer
 149
 150 #endif  // SYNC_INTERNAL_API_SYNC_ROLLBACK_MANAGER_BASE_H_