// Copyright (c) 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef COMPONENTS_PASSWORD_MANAGER_CORE_BROWSER_SYNC_PASSWORD_MODEL_WORKER_H_
#define COMPONENTS_PASSWORD_MANAGER_CORE_BROWSER_SYNC_PASSWORD_MODEL_WORKER_H_

#include "base/macros.h"
#include "base/memory/ref_counted.h"
#include "components/sync/engine/model_safe_worker.h"

namespace password_manager {
class PasswordStore;
}

namespace browser_sync {

// A syncer::ModelSafeWorker for password models that accepts requests
// from the syncapi that need to be fulfilled on the password thread,
// which is the DB thread on Linux and Windows.
class PasswordModelWorker : public syncer::ModelSafeWorker {
 public:
  PasswordModelWorker(
      const scoped_refptr<password_manager::PasswordStore>& password_store);

  // syncer::ModelSafeWorker implementation.
  syncer::ModelSafeGroup GetModelSafeGroup() override;
  bool IsOnModelSequence() override;
  void RequestStop() override;

 private:
  ~PasswordModelWorker() override;

  void ScheduleWork(base::OnceClosure work) override;

  // |password_store_| is used on password thread but released on UI thread.
  // Protected by |password_store_lock_|.
  base::Lock password_store_lock_;
  scoped_refptr<password_manager::PasswordStore> password_store_;
  DISALLOW_COPY_AND_ASSIGN(PasswordModelWorker);
};

}  // namespace browser_sync

#endif  // COMPONENTS_PASSWORD_MANAGER_CORE_BROWSER_SYNC_PASSWORD_MODEL_WORKER_H_