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/* This file is part of the KDE libraries * Copyright (C) 1999 Waldo Bastian <bastian@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 version 2 as published by the Free Software Foundation; * * 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., 59 Temple Place - Suite 330, * Boston, MA 02111-1307, USA. **/ #ifndef __ksycoca_h__ #define __ksycoca_h__ "$Id: ksycoca.h,v 1.17 2000/03/04 15:51:02 jansen Exp $" #include <dcopobject.h> #include <qobject.h> #include "ksycocatype.h" class QDataStream; class KSycocaFactory; class KSycocaFactoryList; /** * Sycoca file version number. * If the existing file is outdated, it will not get read * but instead we'll ask kded to regenerate a new one... */ #define KSYCOCA_VERSION 16 /** * @internal * Read-only SYstem COnfiguration CAche */ class KSycoca : public QObject, public DCOPObject { Q_OBJECT protected: /** * @internal * Building database */ KSycoca( bool /* buildDatabase */ ); public: /** * Read-only database */ KSycoca(); /** * Get or create the only instance of KSycoca (read-only) */ static KSycoca *self(); virtual ~KSycoca(); /** * slot for receiving kded's signal, when the sycoca file changes */ bool process(const QCString &fun, const QByteArray &data, QCString &replyType, QByteArray &replyData); /** * @internal - called by factories in read-only mode * This is how factories get a stream to an entry */ QDataStream *findEntry(int offset, KSycocaType &type); /** * @internal - called by factories in read-only mode */ QDataStream *findFactory( KSycocaFactoryId id); /** * @internal - returns kfsstnd stored inside database */ QString kfsstnd_prefixes(); /** * @internal - add a factory */ void addFactory( KSycocaFactory * ); /** * @internal * @return true if building (i.e. if a KBuildSycoca); */ virtual bool isBuilding() { return false; } /** * Determine relative path for a .desktop file from a full path and a resource name */ static QString determineRelativePath( const QString & _fullpath, const char *_resource ); signals: /** * Connect to this to get notified when the database changes * (Usually apps showing icons do a 'refresh' to take into account the new mimetypes) */ void databaseChanged(); protected: bool checkVersion(bool abortOnError=true); bool openDatabase(bool abortOnError=true); void closeDatabase(); KSycocaFactoryList *m_lstFactories; QDataStream *m_str; static KSycoca *_self; bool bNoDatabase; }; #endif
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