File indexing completed on 2024-04-14 04:35:43

 /* This file is part of the KDE project
    Copyright (C) 2003-2015 Jarosław Staniek <staniek@kde.org>
 
    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.
 
    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Library General Public License for more details.
 
    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LIB.  If not, write to
    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
 */
 
 #ifndef KDB_DRIVER_MANAGER_P_H
 #define KDB_DRIVER_MANAGER_P_H
 
 #include <QMap>
 #include "config-kdb.h"
 #include "KDbResult.h"
 
 class KDbDriverMetaData;
 class KDbDriver;
 
 //! Internal class of the KDbDriverManager.
 class KDB_TESTING_EXPORT DriverManagerInternal : public QObject, public KDbResultable
 {
     Q_OBJECT
 public:
     /*! Used by self() */
     DriverManagerInternal();
 
     ~DriverManagerInternal() override;
 
     QStringList driverIds();
 
     /*! Tries to load a driver with identifier @a id.
       @return db driver, or @c nullptr on error (then error result is also set) */
     KDbDriver* driver(const QString& id);
 
     const KDbDriverMetaData* driverMetaData(const QString &id);
 
     QStringList driverIdsForMimeType(const QString& mimeType);
 
     QStringList possibleProblems() const;
 
     static DriverManagerInternal *self();
 
 #ifdef BUILD_TESTING
     //! If @c true, sets the driver manager to have no drivers so this case can be tested.
     //! Afects driverIds(), driver(), driverMetaData(), driverIdsForMimeType()
     bool forceEmpty = false;
 #else
     const bool forceEmpty = false;
 #endif
 
 protected Q_SLOTS:
     /*! Used to destroy all drivers on QApplication quit, so even if there are
      KDbDriverManager's static instances that are destroyed on program
      "static destruction", drivers are not kept after QApplication death.
     */
     void slotAppQuits();
 
 private:
     Q_DISABLE_COPY(DriverManagerInternal)
 
     bool lookupDrivers();
     void lookupDriversInternal();
     void clear();
 
     QMap<QString, KDbDriverMetaData*> m_metadata_by_mimetype;
     QMap<QString, KDbDriverMetaData*> m_driversMetaData; //!< used to store driver metadata
     QMap<QString, KDbDriver*> m_drivers; //!< for owning drivers
     QString m_pluginsDir;
     QStringList m_possibleProblems;
     bool m_lookupDriversNeeded;
 };
 
 #endif