Skip to main content :: ::

KDE API Reference

:: Skip to Link Menu

/ API Reference / kresources

factory.cpp Go to the documentation of this file. /* This file is part of libkresources. Copyright (c) 2002 Tobias Koenig <tokoe@kde.org> Copyright (c) 2002 Jan-Pascal van Best <janpascal@vanbest.org> Copyright (c) 2003 Cornelius Schumacher <schumacher@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. */ #include "factory.h" #include <QtCore/QFile> #include <kdebug.h> #include <klocale.h> #include <kconfig.h> #include <kconfiggroup.h> #include <kprocess.h> #include <kservicetypetrader.h> #include <kpluginloader.h> #include "resource.h" using namespace KRES; class Factory::Private { public: Resource *resourceInternal ( const QString &type, const KConfigGroup *group ); QString mResourceFamily; QMap<QString, KService::Ptr> mTypeMap; }; class FactoryMap : public QMap<QString, Factory*> { public: ~FactoryMap() { qDeleteAll(*this); } }; K_GLOBAL_STATIC( FactoryMap, mSelves ) Factory *Factory::self( const QString &resourceFamily ) { kDebug(); Factory *factory = 0; factory = mSelves->value( resourceFamily, 0 ); if ( !factory ) { factory = new Factory( resourceFamily ); mSelves->insert( resourceFamily, factory ); // Akonadi migration KConfig config( "kres-migratorrc" ); KConfigGroup migrationCfg( &config, "Migration" ); const bool enabled = migrationCfg.readEntry( "Enabled", false ); const bool setupClientBrige = migrationCfg.readEntry( "SetupClientBridge", true ); const int currentVersion = migrationCfg.readEntry( "Version-" + resourceFamily, 0 ); const int targetVersion = migrationCfg.readEntry( "TargetVersion", 0 ); if ( enabled && currentVersion < targetVersion ) { kDebug() << "Performing Akonadi migration. Good luck!"; KProcess proc; QStringList args = QStringList() << "--interactive-on-change" << "--type" << resourceFamily; if ( !setupClientBrige ) { args << "--omit-client-bridge"; } proc.setProgram( "kres-migrator", args ); proc.start(); bool result = proc.waitForStarted(); if ( result ) { result = proc.waitForFinished(); } if ( result && proc.exitCode() == 0 ) { kDebug() << "Akonadi migration has been successful"; migrationCfg.writeEntry( "Version-" + resourceFamily, targetVersion ); migrationCfg.sync(); } else if ( !result || proc.exitCode() != 1 ) { // exit code 1 means it is already running, so we are probably called by a migrator instance kError() << "Akonadi migration failed!"; kError() << "command was: " << proc.program(); kError() << "exit code: " << proc.exitCode(); kError() << "stdout: " << proc.readAllStandardOutput(); kError() << "stderr: " << proc.readAllStandardError(); } } } return factory; } Factory::Factory( const QString &resourceFamily ) : d( new KRES::Factory::Private ) { d->mResourceFamily = resourceFamily; reloadConfig(); } void Factory::reloadConfig() { d->mTypeMap.clear(); const KService::List plugins = KServiceTypeTrader::self()->query( "KResources/Plugin", QString( "[X-KDE-ResourceFamily] == '%1'" ).arg( d->mResourceFamily ) ); KService::List::ConstIterator it; for ( it = plugins.begin(); it != plugins.end(); ++it ) { const QVariant type = (*it)->property( "X-KDE-ResourceType" ); if ( !type.toString().isEmpty() ) { d->mTypeMap.insert( type.toString(), *it ); } } } Factory::~Factory() { delete d; } QStringList Factory::typeNames() const { return d->mTypeMap.keys(); } ConfigWidget *Factory::configWidget( const QString &type, QWidget *parent ) { if ( type.isEmpty() || !d->mTypeMap.contains( type ) ) { return 0; } KService::Ptr ptr = d->mTypeMap[ type ]; KPluginLoader loader( ptr->library() ); KPluginFactory *factory = loader.factory(); if ( !factory ) { kDebug() << "Factory creation failed: " << loader.errorString(); return 0; } PluginFactoryBase *pluginFactory = static_cast<PluginFactoryBase *>( factory ); if ( !pluginFactory ) { kDebug() << "no plugin factory."; return 0; } ConfigWidget *wdg = pluginFactory->configWidget( parent ); if ( !wdg ) { kDebug() << "'" << ptr->library() << "' doesn't provide a ConfigWidget"; return 0; } return wdg; } QString Factory::typeName( const QString &type ) const { if ( type.isEmpty() || !d->mTypeMap.contains( type ) ) { return QString(); } KService::Ptr ptr = d->mTypeMap[ type ]; return ptr->name(); } QString Factory::typeDescription( const QString &type ) const { if ( type.isEmpty() || !d->mTypeMap.contains( type ) ) { return QString(); } KService::Ptr ptr = d->mTypeMap[ type ]; return ptr->comment(); } Resource *Factory::Private::resourceInternal( const QString &type, const KConfigGroup *group ) { kDebug() << "(" << type << ", config )"; if ( type.isEmpty() || !mTypeMap.contains( type ) ) { kDebug() << "no such type" << type; return 0; } KService::Ptr ptr = mTypeMap[ type ]; KPluginLoader loader( ptr->library() ); KPluginFactory *factory = loader.factory(); if ( !factory ) { kDebug() << "Factory creation failed" << loader.errorString(); return 0; } PluginFactoryBase *pluginFactory = static_cast<PluginFactoryBase *>( factory ); if ( !pluginFactory ) { kDebug() << "no plugin factory."; return 0; } Resource *resource; if ( group ) { resource = pluginFactory->resource( *group ); } else { resource = pluginFactory->resource(); } if ( !resource ) { kDebug() << "'" << ptr->library() << "' is not a" << mResourceFamily << "plugin."; return 0; } resource->setType( type ); return resource; } Resource *Factory::resource( const QString &type, const KConfigGroup &group ) { return d->resourceInternal( type, &group ); } Resource *Factory::resource( const QString &type ) { return d->resourceInternal( type, 0 ); }

kresources Main Page Class Hierarchy Alphabetical List Class List File List Class Members Related Pages API Dox akonadi   contact   kmime kabc kblog kcal kholidays kimap kioslave   imap4   mbox   nntp kldap kmime kontactinterface kpimidentities kpimtextedit   richtextbuilders kpimutils kresources ktnef kxmlrpcclient mailtransport microblog qgpgme syndication   atom   rdf   rss2

KDE Home | KDE Accessibility Home | Description of Access Keys

Maintained by Adriaan de Groot and Allen Winter.
KDE and K Desktop Environment are trademarks of KDE e.V. | Legal