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95 lines
2.8 KiB
95 lines
2.8 KiB
15 years ago
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/* This file is part of the KDE project
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Copyright (C) 2003 Jaroslaw Staniek <js@iidea.pl>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef KEXIDB_DRIVER_MNGR_P_H
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#define KEXIDB_DRIVER_MNGR_P_H
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#include <kexidb/object.h>
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#include <qobject.h>
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#include <qasciidict.h>
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namespace KexiDB {
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/*! Internal class of driver manager.
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*/
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class KEXI_DB_EXPORT DriverManagerInternal : public QObject, public KexiDB::Object
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{
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Q_OBJECT
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public:
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~DriverManagerInternal();
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/*! Tries to load db driver \a name.
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\return db driver, or 0 if error (then error message is also set) */
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KexiDB::Driver* driver(const QString& name);
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KexiDB::Driver::Info driverInfo(const QString &name);
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static DriverManagerInternal *self();
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/*! increments the refcount for the manager */
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void incRefCount();
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/*! decrements the refcount for the manager
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if the refcount reaches a value less than 1 the manager is freed */
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void decRefCount();
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/*! Called from Driver dtor (because sometimes KLibrary (used by Driver)
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is destroyed before DriverManagerInternal) */
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void aboutDelete( Driver* drv );
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protected slots:
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/*! Used to destroy all drivers on QApplication quit, so even if there are
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DriverManager's static instances that are destroyed on program
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"static destruction", drivers are not kept after QApplication death.
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*/
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void slotAppQuits();
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protected:
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/*! Used by self() */
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DriverManagerInternal();
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bool lookupDrivers();
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static KexiDB::DriverManagerInternal* s_self;
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DriverManager::ServicesMap m_services; //! services map
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DriverManager::ServicesMap m_services_lcase; //! as above but service names in lowercase
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DriverManager::ServicesMap m_services_by_mimetype;
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Driver::InfoMap m_driversInfo; //! used to store drivers information
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QAsciiDict<KexiDB::Driver> m_drivers;
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ulong m_refCount;
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QString m_serverErrMsg;
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int m_serverResultNum;
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QString m_serverResultName;
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//! result names for KParts::ComponentFactory::ComponentLoadingError
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QMap<int,QString> m_componentLoadingErrors;
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QStringList possibleProblems;
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bool lookupDriversNeeded : 1;
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friend class DriverManager;
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};
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}
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#endif
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