File indexing completed on 2025-01-05 04:46:24

 /*
     This file is part of akonadiresources.
 
     SPDX-FileCopyrightText: 2006 Till Adam <adam@kde.org>
     SPDX-FileCopyrightText: 2007 Volker Krause <vkrause@kde.org>
 
     SPDX-License-Identifier: LGPL-2.0-or-later
 */
 
 #pragma once
 
 #include "agentbase.h"
 #include "akonadiagentbase_export.h"
 
 #include <QObject>
 
 #include <memory>
 
 namespace Akonadi
 {
 class AgentFactoryBasePrivate;
 
 /**
  * @short A factory base class for in-process agents.
  *
  * @see AKONADI_AGENT_FACTORY()
  * @internal
  * @since 4.6
  */
 class AKONADIAGENTBASE_EXPORT AgentFactoryBase : public QObject
 {
     Q_OBJECT
 
 public:
     /**
      * Creates a new agent factory.
      * Executed in the main thread, performs KDE infrastructure setup.
      *
      * @param catalogName The translation catalog of this resource.
      * @param parent The parent object.
      */
     explicit AgentFactoryBase(const char *catalogName, QObject *parent = nullptr);
 
     ~AgentFactoryBase() override;
 
 public Q_SLOTS:
     /**
      * Creates a new agent instance with the given identifier.
      */
     virtual QObject *createInstance(const QString &identifier) const = 0;
 
 protected:
     void createComponentData(const QString &identifier) const;
 
 private:
     std::unique_ptr<AgentFactoryBasePrivate> const d;
 };
 
 /**
  * @short A factory for in-process agents.
  *
  * @see AKONADI_AGENT_FACTORY()
  * @internal
  * @since 4.6
  */
 template<typename T>
 class AgentFactory : public AgentFactoryBase
 {
 public:
     /** reimplemented */
     explicit AgentFactory(const char *catalogName, QObject *parent = nullptr)
         : AgentFactoryBase(catalogName, parent)
     {
     }
 
     QObject *createInstance(const QString &identifier) const override
     {
         createComponentData(identifier);
         T *instance = new T(identifier);
 
         // check if T also inherits AgentBase::Observer and
         // if it does, automatically register it on itself
         auto observer = dynamic_cast<Akonadi::AgentBase::Observer *>(instance);
         if (observer != nullptr) {
             instance->registerObserver(observer);
         }
 
         return instance;
     }
 };
 
 }