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/* 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 <tqobject.h>
#include <tqasciidict.h>
namespace KexiDB {
/*! Internal class of driver manager.
*/
class KEXI_DB_EXPORT DriverManagerInternal : public TQObject, 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 TQString& name);
KexiDB::Driver::Info driverInfo(const TQString &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 TQApplication quit, so even if there are
DriverManager's static instances that are destroyed on program
"static destruction", drivers are not kept after TQApplication 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
TQAsciiDict<KexiDB::Driver> m_drivers;
ulong m_refCount;
TQString m_serverErrMsg;
int m_serverResultNum;
TQString m_serverResultName;
//! result names for KParts::ComponentFactory::ComponentLoadingError
TQMap<int,TQString> m_componentLoadingErrors;
TQStringList possibleProblems;
bool lookupDriversNeeded : 1;
friend class DriverManager;
};
}
#endif
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