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      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 CHROME_BROWSER_SYNC_GLUE_PASSWORD_MODEL_WORKER_H_
      6 #define CHROME_BROWSER_SYNC_GLUE_PASSWORD_MODEL_WORKER_H_
      7 
      8 #include "sync/internal_api/public/engine/model_safe_worker.h"
      9 
     10 #include "base/basictypes.h"
     11 #include "base/callback_forward.h"
     12 #include "base/compiler_specific.h"
     13 #include "base/memory/ref_counted.h"
     14 
     15 class PasswordStore;
     16 
     17 namespace base {
     18 class WaitableEvent;
     19 }
     20 
     21 namespace browser_sync {
     22 
     23 // A syncer::ModelSafeWorker for password models that accepts requests
     24 // from the syncapi that need to be fulfilled on the password thread,
     25 // which is the DB thread on Linux and Windows.
     26 class PasswordModelWorker : public syncer::ModelSafeWorker {
     27  public:
     28   PasswordModelWorker(const scoped_refptr<PasswordStore>& password_store,
     29                       syncer::WorkerLoopDestructionObserver* observer);
     30 
     31   // syncer::ModelSafeWorker implementation. Called on syncapi SyncerThread.
     32   virtual void RegisterForLoopDestruction() OVERRIDE;
     33   virtual syncer::ModelSafeGroup GetModelSafeGroup() OVERRIDE;
     34 
     35  protected:
     36   virtual syncer::SyncerError DoWorkAndWaitUntilDoneImpl(
     37       const syncer::WorkCallback& work) OVERRIDE;
     38 
     39  private:
     40   virtual ~PasswordModelWorker();
     41 
     42   void CallDoWorkAndSignalTask(
     43     const syncer::WorkCallback& work,
     44     base::WaitableEvent* done,
     45     syncer::SyncerError* error);
     46 
     47   // Called on password thread to add PasswordModelWorker as destruction
     48   // observer.
     49   void RegisterForPasswordLoopDestruction();
     50 
     51   scoped_refptr<PasswordStore> password_store_;
     52   DISALLOW_COPY_AND_ASSIGN(PasswordModelWorker);
     53 };
     54 
     55 }  // namespace browser_sync
     56 
     57 #endif  // CHROME_BROWSER_SYNC_GLUE_PASSWORD_MODEL_WORKER_H_
     58