1 // Copyright (c) 2012 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_PUBLIC_ENGINE_PASSIVE_MODEL_WORKER_H_ 6 #define SYNC_INTERNAL_API_PUBLIC_ENGINE_PASSIVE_MODEL_WORKER_H_ 7 8 #include "base/basictypes.h" 9 #include "base/compiler_specific.h" 10 #include "sync/base/sync_export.h" 11 #include "sync/internal_api/public/engine/model_safe_worker.h" 12 #include "sync/internal_api/public/util/syncer_error.h" 13 14 namespace syncer { 15 16 // Implementation of ModelSafeWorker for passive types. All work is 17 // done on the same thread DoWorkAndWaitUntilDone (i.e., the sync 18 // thread). 19 class SYNC_EXPORT PassiveModelWorker : public ModelSafeWorker { 20 public: 21 explicit PassiveModelWorker(const base::MessageLoop* sync_loop, 22 WorkerLoopDestructionObserver* observer); 23 24 // ModelSafeWorker implementation. Called on the sync thread. 25 virtual void RegisterForLoopDestruction() OVERRIDE; 26 virtual ModelSafeGroup GetModelSafeGroup() OVERRIDE; 27 28 protected: 29 virtual SyncerError DoWorkAndWaitUntilDoneImpl( 30 const WorkCallback& work) OVERRIDE; 31 32 private: 33 virtual ~PassiveModelWorker(); 34 35 const base::MessageLoop* const sync_loop_; 36 37 DISALLOW_COPY_AND_ASSIGN(PassiveModelWorker); 38 }; 39 40 } // namespace syncer 41 42 #endif // SYNC_INTERNAL_API_PUBLIC_ENGINE_PASSIVE_MODEL_WORKER_H_ 43