kcmoduleloader.cpp
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00022 #include <qfile.h>
00023
00024 #include <kapplication.h>
00025 #include <kmessagebox.h>
00026 #include <klocale.h>
00027 #include <kdebug.h>
00028 #include <kparts/componentfactory.h>
00029
00030 #include "kcmoduleloader.h"
00031
00032 KCModule* KCModuleLoader::load(const KCModuleInfo &mod, const QString &libname, KLibLoader *loader, QWidget * parent, const char * name, const QStringList & args )
00033 {
00034
00035
00036
00037 KLibrary *lib = loader->library(QFile::encodeName(libname.arg(mod.library())));
00038 if (lib) {
00039 QString initSym("init_");
00040 initSym += libname.arg(mod.library());
00041
00042 if ( lib->hasSymbol(QFile::encodeName(initSym)) )
00043 {
00044
00045
00046 KLibFactory *factory = lib->factory();
00047 if ( factory )
00048 {
00049 KCModule *module = KParts::ComponentFactory::createInstanceFromFactory<KCModule>( factory, parent, name ? name : mod.handle().latin1(), args );
00050 if (module)
00051 return module;
00052 }
00053
00054 kdDebug(1208) << "Unable to load module using ComponentFactory! Falling back to old loader." << endl;
00055 }
00056
00057
00058 QString factory("create_%1");
00059 void *create = lib->symbol(QFile::encodeName(factory.arg(mod.handle())));
00060
00061 if (create)
00062 {
00063
00064 KCModule* (*func)(QWidget *, const char *);
00065 func = (KCModule* (*)(QWidget *, const char *)) create;
00066 return func( parent, name ? name : mod.handle().latin1() );
00067 }
00068
00069 lib->unload();
00070 }
00071 return 0;
00072 }
00073
00074
00075 KCModule* KCModuleLoader::loadModule(const KCModuleInfo &mod, bool withfallback, QWidget * parent, const char * name, const QStringList & args )
00076 {
00077
00078
00079
00080
00081
00082
00083 if (!mod.library().isEmpty())
00084 {
00085
00086
00087 KLibLoader *loader = KLibLoader::self();
00088
00089 KCModule *module = load(mod, "kcm_%1", loader, parent, name, args );
00090 if (!module)
00091 module = load(mod, "libkcm_%1", loader, parent, name, args );
00092 if (module)
00093 return module;
00094 }
00095 else
00096 kdWarning() << "Module " << mod.fileName() << " doesn't specify a library!" << endl;
00097
00098
00099
00100
00101
00102
00103
00104
00105
00106 if(withfallback)
00107 KApplication::startServiceByDesktopPath(mod.fileName(), QString::null);
00108 return 0;
00109 }
00110
00111 KCModule* KCModuleLoader::loadModule(const QString &module, QWidget *parent,
00112 const char *name, const QStringList & args)
00113 {
00114 KService::Ptr serv = KService::serviceByDesktopName(module);
00115 if (!serv)
00116 {
00117 kdError(1208) << i18n("Module %1 not found!").arg(module) << endl;
00118 return 0;
00119 }
00120
00121 KCModuleInfo mod(serv);
00122
00123 return loadModule(mod, false, parent, name, args);
00124 }
00125
00126 void KCModuleLoader::unloadModule(const KCModuleInfo &mod)
00127 {
00128
00129 KLibLoader *loader = KLibLoader::self();
00130
00131
00132 QString libname("libkcm_%1");
00133 loader->unloadLibrary(QFile::encodeName(libname.arg(mod.library())));
00134
00135 libname = "kcm_%1";
00136 loader->unloadLibrary(QFile::encodeName(libname.arg(mod.library())));
00137 }
00138
00139 void KCModuleLoader::showLastLoaderError(QWidget *parent)
00140 {
00141 KMessageBox::detailedError(parent,
00142 i18n("There was an error loading the module."),i18n("<qt><p>The diagnostics is:<br>%1"
00143 "<p>Possible reasons:</p><ul><li>An error occurred during your last "
00144 "KDE upgrade leaving an orphaned control module<li>You have old third party "
00145 "modules lying around.</ul><p>Check these points carefully and try to remove "
00146 "the module mentioned in the error message. If this fails, consider contacting "
00147 "your distributor or packager.</p></qt>")
00148 .arg(KLibLoader::self()->lastErrorMessage()));
00149
00150 }
00151
00152
This file is part of the documentation for kutils Library Version 3.2.2.
Documentation copyright © 1996-2004 the KDE developers.
Generated on Wed Apr 21 18:44:18 2004 by
doxygen 1.3.6-20040222 written by
Dimitri van Heesch, © 1997-2003