sync/internal_api/public/engine/passive_model_worker.h

   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   void RegisterForLoopDestruction() override;
  26   ModelSafeGroup GetModelSafeGroup() override;
  27
  28  protected:
  29   SyncerError DoWorkAndWaitUntilDoneImpl(const WorkCallback& work) override;
  30
  31  private:
  32   ~PassiveModelWorker() override;
  33
  34   const base::MessageLoop* const sync_loop_;
  35
  36   DISALLOW_COPY_AND_ASSIGN(PassiveModelWorker);
  37 };
  38
  39 }  // namespace syncer
  40
  41 #endif  // SYNC_INTERNAL_API_PUBLIC_ENGINE_PASSIVE_MODEL_WORKER_H_