src/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   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_