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Diffstat (limited to 'kutils/tdecmoduleloader.cpp')
| -rw-r--r-- | kutils/tdecmoduleloader.cpp | 302 |
1 files changed, 0 insertions, 302 deletions
diff --git a/kutils/tdecmoduleloader.cpp b/kutils/tdecmoduleloader.cpp deleted file mode 100644 index c661ac22f..000000000 --- a/kutils/tdecmoduleloader.cpp +++ /dev/null @@ -1,302 +0,0 @@ -/* - Copyright (c) 1999 Matthias Hoelzer-Kluepfel <hoelzer@kde.org> - Copyright (c) 2000 Matthias Elter <elter@kde.org> - Copyright (c) 2003,2004 Matthias Kretz <kretz@kde.org> - Copyright (c) 2004 Frans Englich <frans.englich@telia.com> - - This file is part of the KDE project - - 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., 51 Franklin Street, Fifth Floor, - Boston, MA 02110-1301, USA. -*/ - -#include <tqfile.h> -#include <tqlabel.h> -#include <tqlayout.h> - -#include <kapplication.h> -#include <kdebug.h> -#include <klocale.h> -#include <kmessagebox.h> -#include <kparts/componentfactory.h> - -#include "tdecmoduleloader.h" - - -/***************************************************************/ -/** - * When something goes wrong in loading the module, this one - * jumps in as a "dummy" module. - */ -class KCMError : public TDECModule -{ - public: - KCMError( const TQString& msg, const TQString& details, TQWidget* parent ) - : TDECModule( parent, "KCMError" ) - { - TQVBoxLayout* topLayout = new TQVBoxLayout( this ); - topLayout->addWidget( new TQLabel( msg, this ) ); - topLayout->addWidget( new TQLabel( details, this ) ); - } -}; -/***************************************************************/ - - - - -TDECModule* TDECModuleLoader::load(const TDECModuleInfo &mod, const TQString &libname, - KLibLoader *loader, ErrorReporting report, TQWidget * parent, - const char * name, const TQStringList & args ) -{ - // attempt to load modules with ComponentFactory, only if the symbol init_<lib> exists - // (this is because some modules, e.g. kcmkio with multiple modules in the library, - // cannot be ported to KGenericFactory) - KLibrary *lib = loader->library(TQFile::encodeName(libname.arg(mod.library()))); - if (lib) { - TQString initSym("init_"); - initSym += libname.arg(mod.library()); - - if ( lib->hasSymbol(TQFile::encodeName(initSym)) ) - { - KLibFactory *factory = lib->factory(); - if ( factory ) - { - TDECModule *module = KParts::ComponentFactory::createInstanceFromFactory<TDECModule>( factory, TQT_TQOBJECT(parent), name ? name : mod.handle().latin1(), args ); - if (module) - return module; - } - // else do a fallback - kdDebug(1208) << "Unable to load module using ComponentFactory. Falling back to old loader." << endl; - } - - // get the create_ function - TQString factory("create_%1"); - void *create = lib->symbol(TQFile::encodeName(factory.arg(mod.handle()))); - - if (create) - { - // create the module - TDECModule* (*func)(TQWidget *, const char *); - func = (TDECModule* (*)(TQWidget *, const char *)) create; - return func( parent, name ? name : mod.handle().latin1() ); - } - else - { - TQString libFileName = lib->fileName(); - lib->unload(); - return reportError( report, i18n("<qt>There was an error when loading the module '%1'.<br><br>" - "The desktop file (%2) as well as the library (%3) was found but " - "yet the module could not be loaded properly. Most likely " - "the factory declaration was wrong, or the " - "create_* function was missing.</qt>") - .arg( mod.moduleName() ) - .arg( mod.fileName() ) - .arg( libFileName ), - TQString::null, parent ); - } - - lib->unload(); - } - return reportError( report, i18n("The specified library %1 could not be found.") - .arg( mod.library() ), TQString::null, parent ); - return 0; -} - -TDECModule* TDECModuleLoader::loadModule(const TDECModuleInfo &mod, bool withfallback, TQWidget * parent, const char * name, const TQStringList & args ) -{ - return loadModule( mod, None, withfallback, parent, name, args ); -} - -TDECModule* TDECModuleLoader::loadModule(const TDECModuleInfo &mod, ErrorReporting report, bool withfallback, TQWidget * parent, const char * name, const TQStringList & args ) -{ - /* - * Simple libraries as modules are the easiest case: - * We just have to load the library and get the module - * from the factory. - */ - - if ( !mod.service() ) - { - if ( mod.moduleName() == "kcmlisa" || mod.moduleName() == "kcmkiolan" ) - { - return reportError( report, - i18n("The module %1 could not be found.") - .arg( mod.moduleName() ), - i18n("<qt><p>The Lisa and lan:/ ioslave modules " - "are not installed by default in Kubuntu, because they are obsolete " - "and replaced by zeroconf.<br> If you still wish to use them, you " - "should install the lisa package from the Universe repository.</p></qt>"), - parent ); - } else { - return reportError( report, - i18n("The module %1 could not be found.") - .arg( mod.moduleName() ), - i18n("<qt><p>The diagnostics is:<br>The desktop file %1 could not be found.</p></qt>").arg(mod.fileName()), - parent ); - } - } - - if (!mod.library().isEmpty()) - { - // get the library loader instance - - KLibLoader *loader = KLibLoader::self(); - - TDECModule *module = load(mod, "kcm_%1", loader, report, parent, name, args ); - /* - * Only try to load libkcm_* if it exists, otherwise KLibLoader::lastErrorMessage would say - * "libkcm_foo not found" instead of the real problem with loading kcm_foo. - */ - if (!KLibLoader::findLibrary( TQCString( "libkcm_" ) + TQFile::encodeName( mod.library() ) ).isEmpty() ) - module = load(mod, "libkcm_%1", loader, report, parent, name, args ); - if (module) - return module; - return reportError( report, - i18n("The module %1 could not be loaded.") - .arg( mod.moduleName() ), TQString::null, parent ); - } - - /* - * Ok, we could not load the library. - * Try to run it as an executable. - * This must not be done when calling from kcmshell, or you'll - * have infinite recursion - * (startService calls kcmshell which calls modloader which calls startService...) - * - */ - if(withfallback) - { - TDEApplication::startServiceByDesktopPath(mod.fileName(), TQString::null); - } - else - { - return reportError( report, - i18n("The module %1 is not a valid configuration module.") - .arg( mod.moduleName() ), i18n("<qt><p>The diagnostics is:<br>The desktop file %1 does not specify a library.</qt>").arg(mod.fileName()), parent ); - } - - return 0; -} - -TDECModule* TDECModuleLoader::loadModule(const TQString &module, TQWidget *parent, - const char *name, const TQStringList & args) -{ - return loadModule(TDECModuleInfo(module), None, false, parent, name, args); -} - -TDECModule* TDECModuleLoader::loadModule(const TQString &module, ErrorReporting - report, TQWidget *parent, const char *name, const TQStringList & args) -{ - return loadModule(TDECModuleInfo(module), report, false, parent, name, args); -} - -void TDECModuleLoader::unloadModule(const TDECModuleInfo &mod) -{ - // get the library loader instance - KLibLoader *loader = KLibLoader::self(); - - // try to unload the library - TQString libname("libkcm_%1"); - loader->unloadLibrary(TQFile::encodeName(libname.arg(mod.library()))); - - libname = "kcm_%1"; - loader->unloadLibrary(TQFile::encodeName(libname.arg(mod.library()))); -} - -void TDECModuleLoader::showLastLoaderError(TQWidget *parent) -{ - KMessageBox::detailedError(parent, - i18n("There was an error loading the module."),i18n("<qt><p>The diagnostics is:<br>%1" - "<p>Possible reasons:</p><ul><li>An error occurred during your last " - "TDE upgrade leaving an orphaned control module<li>You have old third party " - "modules lying around.</ul><p>Check these points carefully and try to remove " - "the module mentioned in the error message. If this fails, consider contacting " - "your distributor or packager.</p></qt>") - .arg(KLibLoader::self()->lastErrorMessage())); - -} - -bool TDECModuleLoader::testModule( const TQString& module ) -{ - return testModule( TDECModuleInfo( module ) ); -} - -bool TDECModuleLoader::testModule( const TDECModuleInfo& module ) -{ - if (!module.service()) - { - kdDebug(1208) << "Module '" << module.fileName() << "' not found." << endl; - return true; - } - - bool doLoad = module.service()->property( "X-TDE-Test-Module", TQVariant::Bool ).toBool(); - if( !doLoad ) - { - return true; - } - else - { - /** - * If something fails we return true - we can't risk functionality becoming - * unavailable because of a buggy test. Furthermore, the error needs to - * show so it is discovered. TDECModuleProxy will detect the error and load - * a corresponding KCMError. - * */ - KLibLoader* loader = KLibLoader::self(); - KLibrary* library = loader->library( TQFile::encodeName((TQString("kcm_%1").arg(module.library()))) ); - if( library ) - { - void *test_func = library->symbol( TQString(TQString("test_%1").arg(module.factoryName())).utf8() ); - if( test_func ) - { - bool (*func)() = (bool(*)())test_func; - if( func() ) - { - return true; - } - else - { - return false; - } - } - else - { - kdDebug(1208) << "The test function for module '" << module.fileName() << "' could not be found." << endl; - return true; - } - } - kdDebug(1208) << "The library '" << module.library() << "' could not be found." << endl; - return true; - } -} - -TDECModule* TDECModuleLoader::reportError( ErrorReporting report, const TQString & text, - TQString details, TQWidget * parent ) -{ - if( details.isNull() ) - details = i18n("<qt><p>The diagnostics is:<br>%1" - "<p>Possible reasons:</p><ul><li>An error occurred during your last " - "TDE upgrade leaving an orphaned control module<li>You have old third party " - "modules lying around.</ul><p>Check these points carefully and try to remove " - "the module mentioned in the error message. If this fails, consider contacting " - "your distributor or packager.</p></qt>").arg(KLibLoader::self()->lastErrorMessage()); - if( report & Dialog ) - KMessageBox::detailedError( parent, text, details ); - if( report & Inline ) - return new KCMError( text, details, parent ); - return 0; -} - -// vim: ts=2 sw=2 et - |