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
14namespace 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).
19class 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