Index: components/sync_driver/backend_migrator.h |
diff --git a/components/sync_driver/backend_migrator.h b/components/sync_driver/backend_migrator.h |
deleted file mode 100644 |
index 3fc2e3e990fb8e621d200e2a89a131182c15e017..0000000000000000000000000000000000000000 |
--- a/components/sync_driver/backend_migrator.h |
+++ /dev/null |
@@ -1,113 +0,0 @@ |
-// Copyright (c) 2012 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_SYNC_DRIVER_BACKEND_MIGRATOR_H_ |
-#define COMPONENTS_SYNC_DRIVER_BACKEND_MIGRATOR_H_ |
- |
-#include <string> |
- |
-#include "base/compiler_specific.h" |
-#include "base/macros.h" |
-#include "base/memory/weak_ptr.h" |
-#include "base/observer_list.h" |
-#include "components/sync/base/model_type.h" |
-#include "components/sync_driver/data_type_manager.h" |
- |
-namespace syncer { |
-struct UserShare; |
-} // namespace syncer |
- |
-namespace sync_driver { |
-class SyncService; |
-} |
- |
-namespace browser_sync { |
- |
-// Interface for anything that wants to know when the migrator's state |
-// changes. |
-class MigrationObserver { |
- public: |
- virtual void OnMigrationStateChange() = 0; |
- |
- protected: |
- virtual ~MigrationObserver(); |
-}; |
- |
-// A class to perform migration of a datatype pursuant to the 'MIGRATION_DONE' |
-// code in the sync protocol definition (protocol/sync.proto). |
-class BackendMigrator { |
- public: |
- enum State { |
- IDLE, |
- WAITING_TO_START, // Waiting for previous configuration to finish. |
- DISABLING_TYPES, // Exit criteria: SYNC_CONFIGURE_DONE for |
- // enabled types _excluding_ |to_migrate_| and |
- // empty download progress markers for types |
- // in |to_migrate_|. |
- REENABLING_TYPES, // Exit criteria: SYNC_CONFIGURE_DONE for enabled |
- // types. |
- }; |
- |
- // TODO(akalin): Remove the dependency on |user_share|. |
- BackendMigrator(const std::string& name, |
- syncer::UserShare* user_share, |
- sync_driver::SyncService* service, |
- sync_driver::DataTypeManager* manager, |
- const base::Closure &migration_done_callback); |
- virtual ~BackendMigrator(); |
- |
- // Starts a sequence of events that will disable and reenable |types|. |
- void MigrateTypes(syncer::ModelTypeSet types); |
- |
- void AddMigrationObserver(MigrationObserver* observer); |
- bool HasMigrationObserver(const MigrationObserver* observer) const; |
- void RemoveMigrationObserver(MigrationObserver* observer); |
- |
- State state() const; |
- |
- // Called from ProfileSyncService to notify us of configure done. |
- // Note: We receive these notificiations only when our state is not IDLE. |
- void OnConfigureDone( |
- const sync_driver::DataTypeManager::ConfigureResult& result); |
- |
- // Returns the types that are currently pending migration (if any). |
- syncer::ModelTypeSet GetPendingMigrationTypesForTest() const; |
- |
- private: |
- void ChangeState(State new_state); |
- |
- // Must be called only in state WAITING_TO_START. If ready to |
- // start, meaning the data type manager is configured, calls |
- // RestartMigration() and returns true. Otherwise, does nothing and |
- // returns false. |
- bool TryStart(); |
- |
- // Restarts migration, interrupting any existing migration. |
- void RestartMigration(); |
- |
- // Called by OnConfigureDone(). |
- void OnConfigureDoneImpl( |
- const sync_driver::DataTypeManager::ConfigureResult& result); |
- |
- const std::string name_; |
- syncer::UserShare* user_share_; |
- sync_driver::SyncService* service_; |
- sync_driver::DataTypeManager* manager_; |
- |
- State state_; |
- |
- base::ObserverList<MigrationObserver> migration_observers_; |
- |
- syncer::ModelTypeSet to_migrate_; |
- |
- base::Closure migration_done_callback_; |
- |
- base::WeakPtrFactory<BackendMigrator> weak_ptr_factory_; |
- |
- DISALLOW_COPY_AND_ASSIGN(BackendMigrator); |
-}; |
- |
-} // namespace browser_sync |
- |
-#endif // COMPONENTS_SYNC_DRIVER_BACKEND_MIGRATOR_H_ |