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Diffstat (limited to 'kexi/kexidb/drivermanager_p.h')
| -rw-r--r-- | kexi/kexidb/drivermanager_p.h | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/kexi/kexidb/drivermanager_p.h b/kexi/kexidb/drivermanager_p.h new file mode 100644 index 000000000..ce92dd039 --- /dev/null +++ b/kexi/kexidb/drivermanager_p.h @@ -0,0 +1,94 @@ +/* This file is part of the KDE project + Copyright (C) 2003 Jaroslaw Staniek <js@iidea.pl> + + 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 KEXIDB_DRIVER_MNGR_P_H +#define KEXIDB_DRIVER_MNGR_P_H + +#include <kexidb/object.h> + +#include <qobject.h> +#include <qasciidict.h> + +namespace KexiDB { + +/*! Internal class of driver manager. +*/ +class KEXI_DB_EXPORT DriverManagerInternal : public QObject, public KexiDB::Object +{ + Q_OBJECT + public: + ~DriverManagerInternal(); + + /*! Tries to load db driver \a name. + \return db driver, or 0 if error (then error message is also set) */ + KexiDB::Driver* driver(const QString& name); + + KexiDB::Driver::Info driverInfo(const QString &name); + + static DriverManagerInternal *self(); + + /*! increments the refcount for the manager */ + void incRefCount(); + + /*! decrements the refcount for the manager + if the refcount reaches a value less than 1 the manager is freed */ + void decRefCount(); + + /*! Called from Driver dtor (because sometimes KLibrary (used by Driver) + is destroyed before DriverManagerInternal) */ + void aboutDelete( Driver* drv ); + + protected slots: + /*! Used to destroy all drivers on QApplication quit, so even if there are + DriverManager's static instances that are destroyed on program + "static destruction", drivers are not kept after QApplication death. + */ + void slotAppQuits(); + + protected: + /*! Used by self() */ + DriverManagerInternal(); + + bool lookupDrivers(); + + static KexiDB::DriverManagerInternal* s_self; + + DriverManager::ServicesMap m_services; //! services map + DriverManager::ServicesMap m_services_lcase; //! as above but service names in lowercase + DriverManager::ServicesMap m_services_by_mimetype; + Driver::InfoMap m_driversInfo; //! used to store drivers information + QAsciiDict<KexiDB::Driver> m_drivers; + ulong m_refCount; + + QString m_serverErrMsg; + int m_serverResultNum; + QString m_serverResultName; + //! result names for KParts::ComponentFactory::ComponentLoadingError + QMap<int,QString> m_componentLoadingErrors; + + QStringList possibleProblems; + + bool lookupDriversNeeded : 1; + + friend class DriverManager; +}; +} + +#endif + |
