void KLibLoaderTest::testLibrary()
{
KLibrary *lib = KLibLoader::self()->library(s_kpluginFactoryModule);
QVERIFY(lib);
QVERIFY(lib->isLoaded());
QCOMPARE(QFileInfo(lib->fileName()).canonicalFilePath(),
MODULE_PATH(s_kpluginFactoryModule));
}
void KLibLoaderTest::testLibrary_hints()
{
// the hints will be ignored, but we want to check the call will still compile
KLibrary *lib = KLibLoader::self()->library(s_kpluginFactoryModule,
QLibrary::ResolveAllSymbolsHint);
QVERIFY(lib);
QVERIFY(lib->isLoaded());
QCOMPARE(QFileInfo(lib->fileName()).canonicalFilePath(),
MODULE_PATH(s_kpluginFactoryModule));
}
// tests whether the plugin can be loaded
bool KDecorationPlugins::canLoad(QString nameStr, KLibrary **loadedLib)
{
if (nameStr.isEmpty())
return false; // we can't load that
// Check if this library is not already loaded.
if (pluginStr == nameStr) {
if (loadedLib) {
*loadedLib = library;
}
return true;
}
KConfigGroup group(config, QString("Style"));
if (group.readEntry<bool>("NoPlugin", false)) {
error(i18n("Loading of window decoration plugin library disabled in configuration."));
return false;
}
KLibrary libToFind(nameStr);
QString path = libToFind.fileName();
kDebug(1212) << "kwin : path " << path << " for " << nameStr;
if (path.isEmpty()) {
return false;
}
// Try loading the requested plugin
KLibrary *lib = new KLibrary(path);
if (!lib)
return false;
// TODO this would be a nice shortcut, but for "some" reason QtCurve with wrong ABI slips through
// TODO figure where it's loaded w/o being unloaded and check whether that can be fixed.
#if 0
if (lib->isLoaded()) {
if (loadedLib) {
*loadedLib = lib;
}
return true;
}
#endif
// so we check whether this lib was loaded before and don't unload it in case
bool wasLoaded = lib->isLoaded();
KDecorationFactory*(*cptr)() = NULL;
int (*vptr)() = NULL;
int deco_version = 0;
KLibrary::void_function_ptr version_func = lib->resolveFunction("decoration_version");
if (version_func) {
vptr = (int(*)())version_func;
deco_version = vptr();
} else {
// block some decos known to link the unstable API but (for now) let through other legacy stuff
const bool isLegacyStableABI = !(nameStr.contains("qtcurve", Qt::CaseInsensitive) ||
nameStr.contains("crystal", Qt::CaseInsensitive) ||
nameStr.contains("oxygen", Qt::CaseInsensitive));
if (isLegacyStableABI) {
// it's an old build of a legacy decoration that very likely uses the stable API
// so we just set the API version to the current one
// TODO: remove for 4.9.x or 4.10 - this is just to cover recompiles
deco_version = KWIN_DECORATION_API_VERSION;
}
kWarning(1212) << QString("****** The library %1 has no API version ******").arg(path);
kWarning(1212) << "****** Please use the KWIN_DECORATION macro in extern \"C\" to get this decoration loaded in future versions of kwin";
}
if (deco_version != KWIN_DECORATION_API_VERSION) {
if (version_func)
kWarning(1212) << i18n("The library %1 has wrong API version %2", path, deco_version);
lib->unload();
delete lib;
return false;
}
KLibrary::void_function_ptr create_func = lib->resolveFunction("create_factory");
if (create_func)
cptr = (KDecorationFactory * (*)())create_func;
if (!cptr) {
kDebug(1212) << i18n("The library %1 is not a KWin plugin.", path);
lib->unload();
delete lib;
return false;
}
if (loadedLib) {
*loadedLib = lib;
} else {
if (!wasLoaded)
lib->unload();
delete lib;
}
return true;
}