text: /*
   Copyright (c) 2018, Livio
   All rights reserved.
  
   Redistribution and use in source and binary forms, with or without
   modification, are permitted provided that the following conditions are met:
  
   Redistributions of source code must retain the above copyright notice, this
   list of conditions and the following disclaimer.
  
   Redistributions in binary form must reproduce the above copyright notice,
   this list of conditions and the following
   disclaimer in the documentation and/or other materials provided with the
   distribution.
  
   Neither the name of the Ford Motor Company nor the names of its contributors
   may be used to endorse or promote products derived from this software
   without specific prior written permission.
  
   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
   AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
   LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   POSSIBILITY OF SUCH DAMAGE.
   */
  
  #ifndef SRC_COMPONENTS_APPLICATION_MANAGER_RPC_PLUGINS_APP_SERVICE_RPC_PLUGIN_INCLUDE_APP_SERVICE_RPC_PLUGIN_APP_SERVICE_APP_EXTENSION_H
  #define SRC_COMPONENTS_APPLICATION_MANAGER_RPC_PLUGINS_APP_SERVICE_RPC_PLUGIN_INCLUDE_APP_SERVICE_RPC_PLUGIN_APP_SERVICE_APP_EXTENSION_H
  
  #include <application_manager/application_manager.h>
  #include "application_manager/app_extension.h"
  
  #include <set>
  #include <string>
  
  namespace app_service_rpc_plugin {
  class AppServiceRpcPlugin;
  
  namespace app_mngr = application_manager;
  
  typedef mobile_apis::VehicleDataType::eType VehicleDataType;
  /**
   * @brief Defines set of app service types
   */
  typedef std::set<std::string> AppServiceSubscriptions;
  
  class AppServiceAppExtension : public app_mngr::AppExtension {
   public:
    /**
     * @brief AppServiceAppExtension constructor
     * @param plugin app service plugin
     * @param app application that contains this plugin
     */
    AppServiceAppExtension(AppServiceRpcPlugin& plugin,
                           app_mngr::Application& app);
    virtual ~AppServiceAppExtension();
  
    /**
     * @brief subscribeToAppService add vehicle_data to list of subscriptions of
     * application extension
     * @param vehicle_data data to subscribe
     * @return true in case if subscription is successful
     */
    bool SubscribeToAppService(const std::string app_service_type);
  
    /**
     * @brief unsubscribeFromAppService remove vehicle_data from list of
     * subscriptions of application extension
     * @param vehicle_data data to unsubscribe
     * @return true in case if unsubscription is successful
     */
    bool UnsubscribeFromAppService(const std::string app_service_type);
    /**
     * @brief unsubscribeFromAppService unsubscribe from all app service types
     */
    void UnsubscribeFromAppService();
  
    /**
     * @brief isSubscribedToAppService checks if extension is subscribed to
     * app service type
     * @param app_service_type data type  to check subscription
     * @return true if extension is subscribed this app_service_type, otherwise
     * return false
     */
    bool IsSubscribedToAppService(const std::string app_service_type) const;
  
    /**
     * @brief Subscriptions get list of subscriptions for application extension
     * @return list of subscriptions for application extension
     */
    AppServiceSubscriptions Subscriptions();
  
    void SaveResumptionData(ns_smart_device_link::ns_smart_objects::SmartObject&
                                resumption_data) OVERRIDE;
  
    void ProcessResumption(const smart_objects::SmartObject& saved_app) OVERRIDE;
  
    void RevertResumption(
        const smart_objects::SmartObject& resumption_data) OVERRIDE;
  
    /**
     * @brief ExtractVIExtension utility function to extract application extension
     * from application
     * @param app : applicaiton that contains vehicle info app_extension
     * @return application extension extracted from application
     */
    static AppServiceAppExtension& ExtractASExtension(
        application_manager::Application& app);
  
    static const app_mngr::AppExtensionUID AppServiceAppExtensionUID = 455;
  
   private:
    AppServiceSubscriptions subscribed_data_;
    AppServiceRpcPlugin& plugin_;
    app_mngr::Application& app_;
  };
  }  // namespace app_service_rpc_plugin
  
  #endif  // SRC_COMPONENTS_APPLICATION_MANAGER_RPC_PLUGINS_APP_SERVICE_PLUGIN_INCLUDE_APP_SERVICE_PLUGIN_APP_SERVICE_APP_EXTENSION_H
  