Esempio n. 1
0
KLibFactory* KLibLoader::factory( const char* name )
{
    KLibrary* lib = library( name );
    if ( !lib )
        return 0;

    return lib->factory();
}
Esempio n. 2
0
const TDEInstance *Factory::partInstanceFromLibrary( const TQCString &libraryName )
{
    KLibrary *library = KLibLoader::self()->library( libraryName );
    if ( !library )
        return 0;
    KLibFactory *factory = library->factory();
    if ( !factory )
        return 0;
    KParts::Factory *pfactory = tqt_dynamic_cast<KParts::Factory *>( factory );
    if ( !pfactory )
        return 0;
    return pfactory->partInstance();
}
Esempio n. 3
0
Plugin *
PluginLoader::loadPlugin(const QString &name)
{
    KLibrary *lib = NULL;
    KLibFactory *factory = NULL;
    Plugin *plugin = NULL;
    PluginMap::iterator it;
    bool success = true;

    // if the plugin has already been loaded, increment
    // its reference and return.
    if((it = _plugins.find(name)) != _plugins.end()) {
        plugin = it.data();
        plugin->ref();
        return plugin;
    }

    // use KLibLoader to get a reference to the library
    lib = KLibLoader::self()->library(name.latin1());
    if(!lib) {
        kdError() << "failed loading plugin library " << name << endl;
        success = false;
    }

    // get the factory from the library
    if(success) {
        factory = lib->factory();
        if(!factory) {
            kdError() << "failed to find factory for " << name << endl;
            success = false;
        }
    }

    // use the factory to create the plugin
    if(success) {
        plugin = dynamic_cast<Plugin *>(factory->create((QObject*)0, name.latin1()));
        if(!plugin) {
            kdError() << "failed to create a plugin object for " << name << endl;
            success = false;
        }
        else {
            // we have to register the plugin here, otherwise, we can get
            // recursive loads
            _plugins[name] = plugin;
            _categories[plugin->category()].append(plugin);
        }
    }

    // initialize the plugin
    if(success && plugin) {
        success = plugin->init();
        if(!success) {
            // on failure, delete the plugin. this should cause the
            // library to unload.
            kdError() << "failure initializing " << name << endl;
            _categories[plugin->category()].remove(plugin);
            _plugins.remove(name);
            delete plugin;
        }
    }

    // finally, finally connect to the destroyed signal and keep a
    // reference to it
    if(success) {
        plugin->ref();
        connect(plugin, SIGNAL(destroyed(QObject *)), SLOT(slotDestroyed(QObject *)));
    }

    return plugin;
}