//
// Copyright (C) 2014 The Android Open Source Project
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//

#ifndef UPDATE_ENGINE_UPDATE_MANAGER_REAL_STATE_H_
#define UPDATE_ENGINE_UPDATE_MANAGER_REAL_STATE_H_

#include <memory>

#include "update_engine/update_manager/state.h"

namespace chromeos_update_manager {

// State concrete implementation.
class RealState : public State {
 public:
  ~RealState() override {}

  RealState(ConfigProvider* config_provider,
            DevicePolicyProvider* device_policy_provider,
            RandomProvider* random_provider,
            ShillProvider* shill_provider,
            SystemProvider* system_provider,
            TimeProvider* time_provider,
            UpdaterProvider* updater_provider)
      : config_provider_(config_provider),
        device_policy_provider_(device_policy_provider),
        random_provider_(random_provider),
        shill_provider_(shill_provider),
        system_provider_(system_provider),
        time_provider_(time_provider),
        updater_provider_(updater_provider) {}

  // These methods return the given provider.
  ConfigProvider* config_provider() override { return config_provider_.get(); }
  DevicePolicyProvider* device_policy_provider() override {
    return device_policy_provider_.get();
  }
  RandomProvider* random_provider() override { return random_provider_.get(); }
  ShillProvider* shill_provider() override { return shill_provider_.get(); }
  SystemProvider* system_provider() override { return system_provider_.get(); }
  TimeProvider* time_provider() override { return time_provider_.get(); }
  UpdaterProvider* updater_provider() override {
    return updater_provider_.get();
  }

 private:
  // Instances of the providers.
  std::unique_ptr<ConfigProvider> config_provider_;
  std::unique_ptr<DevicePolicyProvider> device_policy_provider_;
  std::unique_ptr<RandomProvider> random_provider_;
  std::unique_ptr<ShillProvider> shill_provider_;
  std::unique_ptr<SystemProvider> system_provider_;
  std::unique_ptr<TimeProvider> time_provider_;
  std::unique_ptr<UpdaterProvider> updater_provider_;
};

}  // namespace chromeos_update_manager

#endif  // UPDATE_ENGINE_UPDATE_MANAGER_REAL_STATE_H_