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Diffstat (limited to 'tderesources/factory.cpp')
-rw-r--r-- | tderesources/factory.cpp | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/tderesources/factory.cpp b/tderesources/factory.cpp new file mode 100644 index 000000000..ea19e3b8a --- /dev/null +++ b/tderesources/factory.cpp @@ -0,0 +1,162 @@ +/* + This file is part of libtderesources. + + 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 <kdebug.h> +#include <klocale.h> +#include <ksimpleconfig.h> +#include <kstandarddirs.h> +#include <kstaticdeleter.h> + +#include <tqfile.h> + +#include "resource.h" +#include "factory.h" + +using namespace KRES; + +TQDict<Factory> *Factory::mSelves = 0; +static KStaticDeleter< TQDict<Factory> > staticDeleter; + +Factory *Factory::self( const TQString& resourceFamily ) +{ + kdDebug(5650) << "Factory::self()" << endl; + + Factory *factory = 0; + if ( !mSelves ) + staticDeleter.setObject( mSelves, new TQDict<Factory> ); + + factory = mSelves->find( resourceFamily ); + + if ( !factory ) { + factory = new Factory( resourceFamily ); + mSelves->insert( resourceFamily, factory ); + } + + return factory; +} + +Factory::Factory( const TQString& resourceFamily ) : + mResourceFamily( resourceFamily ) +{ + KTrader::OfferList plugins = KTrader::self()->query( "KResources/Plugin", TQString( "[X-TDE-ResourceFamily] == '%1'" ) + .arg( resourceFamily ) ); + KTrader::OfferList::ConstIterator it; + for ( it = plugins.begin(); it != plugins.end(); ++it ) { + TQVariant type = (*it)->property( "X-TDE-ResourceType" ); + if ( !type.toString().isEmpty() ) + mTypeMap.insert( type.toString(), *it ); + } +} + +Factory::~Factory() +{ +} + +TQStringList Factory::typeNames() const +{ + return mTypeMap.keys(); +} + +ConfigWidget *Factory::configWidget( const TQString& type, TQWidget *parent ) +{ + if ( type.isEmpty() || !mTypeMap.contains( type ) ) + return 0; + + KService::Ptr ptr = mTypeMap[ type ]; + KLibFactory *factory = KLibLoader::self()->factory( ptr->library().latin1() ); + if ( !factory ) { + kdDebug(5650) << "KRES::Factory::configWidget(): Factory creation failed " + << KLibLoader::self()->lastErrorMessage() << endl; + return 0; + } + + PluginFactoryBase *pluginFactory = static_cast<PluginFactoryBase *>( factory ); + + if ( !pluginFactory ) { + kdDebug(5650) << "KRES::Factory::configWidget(): no plugin factory." + << endl; + return 0; + } + + ConfigWidget *wdg = pluginFactory->configWidget( parent ); + if ( !wdg ) { + kdDebug(5650) << "'" << ptr->library() << "' doesn't provide a ConfigWidget" << endl; + return 0; + } + + return wdg; +} + +TQString Factory::typeName( const TQString &type ) const +{ + if ( type.isEmpty() || !mTypeMap.contains( type ) ) + return TQString(); + + KService::Ptr ptr = mTypeMap[ type ]; + return ptr->name(); +} + +TQString Factory::typeDescription( const TQString &type ) const +{ + if ( type.isEmpty() || !mTypeMap.contains( type ) ) + return TQString(); + + KService::Ptr ptr = mTypeMap[ type ]; + return ptr->comment(); +} + +Resource *Factory::resource( const TQString& type, const TDEConfig *config ) +{ + kdDebug(5650) << "Factory::resource( " << type << ", config )" << endl; + + if ( type.isEmpty() || !mTypeMap.contains( type ) ) { + kdDebug(5650) << "Factory::resource() no such type " << type << endl; + return 0; + } + + KService::Ptr ptr = mTypeMap[ type ]; + KLibFactory *factory = KLibLoader::self()->factory( ptr->library().latin1() ); + if ( !factory ) { + kdDebug(5650) << "KRES::Factory::resource(): Factory creation failed " + << KLibLoader::self()->lastErrorMessage() << endl; + return 0; + } + + PluginFactoryBase *pluginFactory = static_cast<PluginFactoryBase *>( factory ); + + if ( !pluginFactory ) { + kdDebug(5650) << "KRES::Factory::resource(): no plugin factory." << endl; + return 0; + } + + Resource *resource = pluginFactory->resource( config ); + if ( !resource ) { + kdDebug(5650) << "'" << ptr->library() << "' is not a " + mResourceFamily + + " plugin." << endl; + return 0; + } + + resource->setType( type ); + + return resource; +} |