static bool NPClass_Invoke(NPObject *npobj, NPIdentifier name, const NPVariant *args, uint32 argCount, NPVariant *result)
{
NPClass_Prolog;
const QByteArray slotName = NPN_UTF8FromIdentifier(name);
int slotIndex = publicMethodIndex(npobj, slotName, static_cast<int>(argCount));
if (slotIndex == -1) {
NPN_SetException(npobj, QByteArray("No method '" + slotName + "' with " + QByteArray::number(argCount) + " parameters").constData());
return false;
}
const QMetaMethod slot = qobject->metaObject()->method(slotIndex);
QList<QByteArray> parameterTypes = slot.parameterTypes();
if (parameterTypes.count() != static_cast<int>(argCount)) {
NPN_SetException(npobj, QByteArray("Wrong parameter count for method " + slotName).constData());
return false;
}
QVariant returnVariant(QVariant::nameToType(slot.typeName()), (void*)0);
QVector<QVariant> variants(parameterTypes.count()); // keep data alive
QVector<const void*> metacallArgs(parameterTypes.count() + 1); // arguments for qt_metacall
metacallArgs[0] = returnVariant.data(); // args[0] == return value
for (int p = 0; p < parameterTypes.count(); ++p) {
QVariant::Type type = QVariant::nameToType(parameterTypes.at(p));
if (type == QVariant::Invalid && parameterTypes.at(p) != "QVariant") {
NPN_SetException(npobj, QString("Parameter %1 in method '%2' has invalid type")
.arg(p).arg(QString::fromUtf8(slotName)).toAscii().constData());
return false;
}
QVariant qvar = args[p];
if (type != QVariant::Invalid && !qvar.convert(type)) {
NPN_SetException(npobj, QString("Parameter %1 to method '%2' needs to be convertable to '%3'")
.arg(p).arg(QString::fromUtf8(slotName)).arg(QString::fromAscii(parameterTypes.at(p))).toAscii().constData());
return false;
}
variants[p] = qvar;
if (type == QVariant::Invalid)
metacallArgs[p + 1] = &variants.at(p);
else
metacallArgs[p + 1] = variants.at(p).constData(); // must not detach!
}
qobject->qt_metacall(QMetaObject::InvokeMetaMethod, slotIndex, const_cast<void**>(metacallArgs.data()));
if (returnVariant.isValid() && result)
*result = NPVariant::fromQVariant(This, returnVariant);
return true;
}
static bool NPClass_Invoke(NPObject *npobj, NPIdentifier name, const NPVariant *args, uint32 argCount, NPVariant *result)
{
NPClass_Prolog;
int slotIndex = publicMethodIndex(npobj, name);
if (slotIndex == -1) {
QByteArray qname = NPN_UTF8FromIdentifier(name);
NPN_SetException(npobj, QByteArray("No such method " + qname).constData());
return false;
}
const QMetaMethod slot = qobject->metaObject()->method(slotIndex);
QList<QByteArray> parameterTypes = slot.parameterTypes();
if (parameterTypes.count() != static_cast<int>(argCount)) {
QByteArray qname = NPN_UTF8FromIdentifier(name);
NPN_SetException(npobj, QByteArray("Wrong parameter count for method " + qname).constData());
return false;
}
QVariant returnVariant(QVariant::nameToType(slot.typeName()), (void *)0);
QVector<QVariant> variants(parameterTypes.count()); // keep data alive
QVector<const void *> metacallArgs(parameterTypes.count() + 1); // arguments for qt_metacall
metacallArgs[0] = returnVariant.data(); // args[0] == return value
for (int p = 0; p < parameterTypes.count(); ++p) {
QVariant::Type type = QVariant::nameToType(parameterTypes.at(p));
if (type == QVariant::Invalid) {
QByteArray qname = NPN_UTF8FromIdentifier(name);
NPN_SetException(npobj, QByteArray("Unsupported parameter in method " + qname).constData());
return false;
}
QVariant qvar = args[p];
if (!qvar.convert(type)) {
QByteArray qname = NPN_UTF8FromIdentifier(name);
NPN_SetException(npobj, QByteArray("Unsupported parameter value in method " + qname).constData());
return false;
}
variants[p] = qvar;
metacallArgs[p + 1] = variants.at(p).constData(); // must not detach!
}
qobject->qt_metacall(QMetaObject::InvokeMetaMethod, slotIndex, const_cast<void * *>(metacallArgs.data()));
if (returnVariant.isValid() && result)
*result = NPVariant::fromQVariant(This, returnVariant);
return true;
}
