1 /***************************************************************************
2 * Copyright (C) 2005-2012 by the Quassel Project *
3 * devel@quassel-irc.org *
5 * This program is free software; you can redistribute it and/or modify *
6 * it under the terms of the GNU General Public License as published by *
7 * the Free Software Foundation; either version 2 of the License, or *
8 * (at your option) version 3. *
10 * This program is distributed in the hope that it will be useful, *
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13 * GNU General Public License for more details. *
15 * You should have received a copy of the GNU General Public License *
16 * along with this program; if not, write to the *
17 * Free Software Foundation, Inc., *
18 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
19 ***************************************************************************/
21 #include "signalproxy.h"
25 #include <QAbstractSocket>
26 #include <QHostAddress>
32 #include <QMetaMethod>
33 #include <QMetaProperty>
41 #include <QCoreApplication>
43 #include "syncableobject.h"
46 class RemovePeerEvent : public QEvent
49 RemovePeerEvent(SignalProxy::AbstractPeer *peer) : QEvent(QEvent::Type(SignalProxy::RemovePeerEvent)), peer(peer) {}
50 SignalProxy::AbstractPeer *peer;
54 // ==================================================
56 // ==================================================
57 class SignalProxy::SignalRelay : public QObject
59 /* Q_OBJECT is not necessary or even allowed, because we implement
60 qt_metacall ourselves (and don't use any other features of the meta
64 SignalRelay(SignalProxy *parent) : QObject(parent), _proxy(parent) {}
65 inline SignalProxy *proxy() const { return _proxy; }
67 int qt_metacall(QMetaObject::Call _c, int _id, void **_a);
69 void attachSignal(QObject *sender, int signalId, const QByteArray &funcName);
70 void detachSignal(QObject *sender, int signalId = -1);
77 Signal(QObject *sender, int sigId, const QByteArray &signature) : sender(sender), signalId(sigId), signature(signature) {}
78 Signal() : sender(0), signalId(-1) {}
82 QHash<int, Signal> _slots;
86 void SignalProxy::SignalRelay::attachSignal(QObject *sender, int signalId, const QByteArray &funcName)
88 // we ride without safetybelts here... all checking for valid method etc pp has to be done by the caller
89 // all connected methodIds are offset by the standard methodCount of QObject
91 for (int i = 0;; i++) {
92 if (!_slots.contains(i)) {
99 if (!funcName.isEmpty()) {
100 fn = QMetaObject::normalizedSignature(funcName);
103 fn = SIGNAL(fakeMethodSignature());
104 fn = fn.replace("fakeMethodSignature()", sender->metaObject()->method(signalId).signature());
107 _slots[slotId] = Signal(sender, signalId, fn);
109 QMetaObject::connect(sender, signalId, this, QObject::staticMetaObject.methodCount() + slotId);
113 void SignalProxy::SignalRelay::detachSignal(QObject *sender, int signalId)
115 QHash<int, Signal>::iterator slotIter = _slots.begin();
116 while (slotIter != _slots.end()) {
117 if (slotIter->sender == sender && (signalId == -1 || slotIter->signalId == signalId)) {
118 slotIter = _slots.erase(slotIter);
129 int SignalProxy::SignalRelay::qt_metacall(QMetaObject::Call _c, int _id, void **_a)
131 _id = QObject::qt_metacall(_c, _id, _a);
135 if (_c == QMetaObject::InvokeMetaMethod) {
136 if (_slots.contains(_id)) {
137 QObject *caller = sender();
139 SignalProxy::ExtendedMetaObject *eMeta = proxy()->extendedMetaObject(caller->metaObject());
142 const Signal &signal = _slots[_id];
146 const QList<int> &argTypes = eMeta->argTypes(signal.signalId);
147 for (int i = 0; i < argTypes.size(); i++) {
148 if (argTypes[i] == 0) {
149 qWarning() << "SignalRelay::qt_metacall(): received invalid data for argument number" << i << "of signal" << QString("%1::%2").arg(caller->metaObject()->className()).arg(caller->metaObject()->method(_id).signature());
150 qWarning() << " - make sure all your data types are known by the Qt MetaSystem";
153 params << QVariant(argTypes[i], _a[i+1]);
156 proxy()->dispatch(SignalProxy::RpcCall(signal.signature, params));
158 _id -= _slots.count();
164 // ==================================================
166 // ==================================================
167 SignalProxy::SignalProxy(QObject *parent)
170 setProxyMode(Client);
175 SignalProxy::SignalProxy(ProxyMode mode, QObject *parent)
183 SignalProxy::~SignalProxy()
185 QHash<QByteArray, ObjectId>::iterator classIter = _syncSlave.begin();
186 while (classIter != _syncSlave.end()) {
187 ObjectId::iterator objIter = classIter->begin();
188 while (objIter != classIter->end()) {
189 SyncableObject *obj = objIter.value();
190 objIter = classIter->erase(objIter);
191 obj->stopSynchronize(this);
201 void SignalProxy::setProxyMode(ProxyMode mode)
203 if (_peers.count()) {
204 qWarning() << Q_FUNC_INFO << "Cannot change proxy mode while connected";
216 void SignalProxy::init()
218 _heartBeatInterval = 0;
219 _maxHeartBeatCount = 0;
220 _signalRelay = new SignalRelay(this);
221 setHeartBeatInterval(30);
222 setMaxHeartBeatCount(2);
228 void SignalProxy::initServer()
233 void SignalProxy::initClient()
235 attachSlot("__objectRenamed__", this, SLOT(objectRenamed(QByteArray,QString,QString)));
239 void SignalProxy::setHeartBeatInterval(int secs)
241 if (_heartBeatInterval != secs) {
242 _heartBeatInterval = secs;
243 emit heartBeatIntervalChanged(secs);
248 void SignalProxy::setMaxHeartBeatCount(int max)
250 if (_maxHeartBeatCount != max) {
251 _maxHeartBeatCount = max;
252 emit maxHeartBeatCountChanged(max);
257 bool SignalProxy::addPeer(AbstractPeer *peer)
262 if (_peers.contains(peer))
265 if (!peer->isOpen()) {
266 qWarning("SignalProxy: peer needs to be open!");
270 if (proxyMode() == Client) {
271 if (!_peers.isEmpty()) {
272 qWarning("SignalProxy: only one peer allowed in client mode!");
275 connect(peer, SIGNAL(lagUpdated(int)), SIGNAL(lagUpdated(int)));
278 connect(peer, SIGNAL(disconnected()), SLOT(removePeerBySender()));
279 connect(peer, SIGNAL(secureStateChanged(bool)), SLOT(updateSecureState()));
282 peer->setParent(this);
286 peer->setSignalProxy(this);
288 if (_peers.count() == 1)
296 void SignalProxy::removeAllPeers()
298 Q_ASSERT(proxyMode() == Server || _peers.count() <= 1);
299 // wee need to copy that list since we modify it in the loop
300 QSet<AbstractPeer *> peers = _peers;
301 foreach(AbstractPeer *peer, peers) {
307 void SignalProxy::removePeer(AbstractPeer *peer)
310 qWarning() << Q_FUNC_INFO << "Trying to remove a null peer!";
314 if (_peers.isEmpty()) {
315 qWarning() << "SignalProxy::removePeer(): No peers in use!";
319 if (!_peers.contains(peer)) {
320 qWarning() << "SignalProxy: unknown Peer" << peer;
324 disconnect(peer, 0, this, 0);
325 peer->setSignalProxy(0);
328 emit peerRemoved(peer);
330 if (peer->parent() == this)
335 if (_peers.isEmpty())
340 void SignalProxy::removePeerBySender()
342 removePeer(qobject_cast<SignalProxy::AbstractPeer *>(sender()));
346 void SignalProxy::renameObject(const SyncableObject *obj, const QString &newname, const QString &oldname)
348 if (proxyMode() == Client)
351 const QMetaObject *meta = obj->syncMetaObject();
352 const QByteArray className(meta->className());
353 objectRenamed(className, newname, oldname);
355 dispatch(RpcCall("__objectRenamed__", QVariantList() << className << newname << oldname));
359 void SignalProxy::objectRenamed(const QByteArray &classname, const QString &newname, const QString &oldname)
361 if (_syncSlave.contains(classname) && _syncSlave[classname].contains(oldname) && oldname != newname) {
362 SyncableObject *obj = _syncSlave[classname][newname] = _syncSlave[classname].take(oldname);
368 const QMetaObject *SignalProxy::metaObject(const QObject *obj)
370 if (const SyncableObject *syncObject = qobject_cast<const SyncableObject *>(obj))
371 return syncObject->syncMetaObject();
373 return obj->metaObject();
377 SignalProxy::ExtendedMetaObject *SignalProxy::extendedMetaObject(const QMetaObject *meta) const
379 if (_extendedMetaObjects.contains(meta))
380 return _extendedMetaObjects[meta];
386 SignalProxy::ExtendedMetaObject *SignalProxy::createExtendedMetaObject(const QMetaObject *meta, bool checkConflicts)
388 if (!_extendedMetaObjects.contains(meta)) {
389 _extendedMetaObjects[meta] = new ExtendedMetaObject(meta, checkConflicts);
391 return _extendedMetaObjects[meta];
395 bool SignalProxy::attachSignal(QObject *sender, const char *signal, const QByteArray &sigName)
397 const QMetaObject *meta = sender->metaObject();
398 QByteArray sig(meta->normalizedSignature(signal).mid(1));
399 int methodId = meta->indexOfMethod(sig.constData());
400 if (methodId == -1 || meta->method(methodId).methodType() != QMetaMethod::Signal) {
401 qWarning() << "SignalProxy::attachSignal(): No such signal" << signal;
405 createExtendedMetaObject(meta);
406 _signalRelay->attachSignal(sender, methodId, sigName);
408 disconnect(sender, SIGNAL(destroyed(QObject *)), this, SLOT(detachObject(QObject *)));
409 connect(sender, SIGNAL(destroyed(QObject *)), this, SLOT(detachObject(QObject *)));
414 bool SignalProxy::attachSlot(const QByteArray &sigName, QObject *recv, const char *slot)
416 const QMetaObject *meta = recv->metaObject();
417 int methodId = meta->indexOfMethod(meta->normalizedSignature(slot).mid(1));
418 if (methodId == -1 || meta->method(methodId).methodType() == QMetaMethod::Method) {
419 qWarning() << "SignalProxy::attachSlot(): No such slot" << slot;
423 createExtendedMetaObject(meta);
425 QByteArray funcName = QMetaObject::normalizedSignature(sigName.constData());
426 _attachedSlots.insert(funcName, qMakePair(recv, methodId));
428 disconnect(recv, SIGNAL(destroyed(QObject *)), this, SLOT(detachObject(QObject *)));
429 connect(recv, SIGNAL(destroyed(QObject *)), this, SLOT(detachObject(QObject *)));
434 void SignalProxy::synchronize(SyncableObject *obj)
436 createExtendedMetaObject(obj, true);
438 // attaching as slave to receive sync Calls
439 QByteArray className(obj->syncMetaObject()->className());
440 _syncSlave[className][obj->objectName()] = obj;
442 if (proxyMode() == Server) {
443 obj->setInitialized();
444 emit objectInitialized(obj);
447 if (obj->isInitialized())
448 emit objectInitialized(obj);
453 obj->synchronize(this);
457 void SignalProxy::detachObject(QObject *obj)
464 void SignalProxy::detachSignals(QObject *sender)
466 _signalRelay->detachSignal(sender);
470 void SignalProxy::detachSlots(QObject *receiver)
472 SlotHash::iterator slotIter = _attachedSlots.begin();
473 while (slotIter != _attachedSlots.end()) {
474 if (slotIter.value().first == receiver) {
475 slotIter = _attachedSlots.erase(slotIter);
483 void SignalProxy::stopSynchronize(SyncableObject *obj)
485 // we can't use a className here, since it might be effed up, if we receive the call as a result of a decon
486 // gladly the objectName() is still valid. So we have only to iterate over the classes not each instance! *sigh*
487 QHash<QByteArray, ObjectId>::iterator classIter = _syncSlave.begin();
488 while (classIter != _syncSlave.end()) {
489 if (classIter->contains(obj->objectName()) && classIter.value()[obj->objectName()] == obj) {
490 classIter->remove(obj->objectName());
495 obj->stopSynchronize(this);
500 void SignalProxy::dispatch(const T &protoMessage)
502 foreach (AbstractPeer *peer, _peers) {
504 peer->dispatch(protoMessage);
506 QCoreApplication::postEvent(this, new ::RemovePeerEvent(peer));
511 void SignalProxy::handle(SignalProxy::AbstractPeer *peer, const SignalProxy::SyncMessage &syncMessage)
513 if (!_syncSlave.contains(syncMessage.className()) || !_syncSlave[syncMessage.className()].contains(syncMessage.objectName())) {
514 qWarning() << QString("no registered receiver for sync call: %1::%2 (objectName=\"%3\"). Params are:").arg(syncMessage.className(), syncMessage.slotName(), syncMessage.objectName())
515 << syncMessage.params();
519 SyncableObject *receiver = _syncSlave[syncMessage.className()][syncMessage.objectName()];
520 ExtendedMetaObject *eMeta = extendedMetaObject(receiver);
521 if (!eMeta->slotMap().contains(syncMessage.slotName())) {
522 qWarning() << QString("no matching slot for sync call: %1::%2 (objectName=\"%3\"). Params are:").arg(syncMessage.className(), syncMessage.slotName(), syncMessage.objectName())
523 << syncMessage.params();
527 int slotId = eMeta->slotMap()[syncMessage.slotName()];
528 if (proxyMode() != eMeta->receiverMode(slotId)) {
529 qWarning("SignalProxy::handleSync(): invokeMethod for \"%s\" failed. Wrong ProxyMode!", eMeta->methodName(slotId).constData());
533 QVariant returnValue((QVariant::Type)eMeta->returnType(slotId));
534 if (!invokeSlot(receiver, slotId, syncMessage.params(), returnValue)) {
535 qWarning("SignalProxy::handleSync(): invokeMethod for \"%s\" failed ", eMeta->methodName(slotId).constData());
539 if (returnValue.type() != QVariant::Invalid && eMeta->receiveMap().contains(slotId)) {
540 int receiverId = eMeta->receiveMap()[slotId];
541 QVariantList returnParams;
542 if (eMeta->argTypes(receiverId).count() > 1)
543 returnParams << syncMessage.params();
544 returnParams << returnValue;
545 peer->dispatch(SyncMessage(syncMessage.className(), syncMessage.objectName(), eMeta->methodName(receiverId), returnParams));
548 // send emit update signal
549 invokeSlot(receiver, eMeta->updatedRemotelyId());
553 void SignalProxy::handle(SignalProxy::AbstractPeer *peer, const SignalProxy::InitRequest &initRequest)
555 if (!_syncSlave.contains(initRequest.className())) {
556 qWarning() << "SignalProxy::handleInitRequest() received initRequest for unregistered Class:"
557 << initRequest.className();
561 if (!_syncSlave[initRequest.className()].contains(initRequest.objectName())) {
562 qWarning() << "SignalProxy::handleInitRequest() received initRequest for unregistered Object:"
563 << initRequest.className() << initRequest.objectName();
567 SyncableObject *obj = _syncSlave[initRequest.className()][initRequest.objectName()];
568 peer->dispatch(InitData(initRequest.className(), initRequest.objectName(), initData(obj)));
572 void SignalProxy::handle(SignalProxy::AbstractPeer *peer, const SignalProxy::InitData &initData)
576 if (!_syncSlave.contains(initData.className())) {
577 qWarning() << "SignalProxy::handleInitData() received initData for unregistered Class:"
578 << initData.className();
582 if (!_syncSlave[initData.className()].contains(initData.objectName())) {
583 qWarning() << "SignalProxy::handleInitData() received initData for unregistered Object:"
584 << initData.className() << initData.objectName();
588 SyncableObject *obj = _syncSlave[initData.className()][initData.objectName()];
589 setInitData(obj, initData.initData());
593 void SignalProxy::handle(SignalProxy::AbstractPeer *peer, const SignalProxy::RpcCall &rpcCall)
599 SlotHash::const_iterator slot = _attachedSlots.constFind(rpcCall.slotName());
600 while (slot != _attachedSlots.constEnd() && slot.key() == rpcCall.slotName()) {
601 receiver = (*slot).first;
602 methodId = (*slot).second;
603 if (!invokeSlot(receiver, methodId, rpcCall.params())) {
604 ExtendedMetaObject *eMeta = extendedMetaObject(receiver);
605 qWarning("SignalProxy::handleSignal(): invokeMethod for \"%s\" failed ", eMeta->methodName(methodId).constData());
612 bool SignalProxy::invokeSlot(QObject *receiver, int methodId, const QVariantList ¶ms, QVariant &returnValue)
614 ExtendedMetaObject *eMeta = extendedMetaObject(receiver);
615 const QList<int> args = eMeta->argTypes(methodId);
616 const int numArgs = params.count() < args.count()
620 if (eMeta->minArgCount(methodId) > params.count()) {
621 qWarning() << "SignalProxy::invokeSlot(): not enough params to invoke" << eMeta->methodName(methodId);
625 void *_a[] = { 0, // return type...
626 0, 0, 0, 0, 0, // and 10 args - that's the max size qt can handle with signals and slots
629 // check for argument compatibility and build params array
630 for (int i = 0; i < numArgs; i++) {
631 if (!params[i].isValid()) {
632 qWarning() << "SignalProxy::invokeSlot(): received invalid data for argument number" << i << "of method" << QString("%1::%2()").arg(receiver->metaObject()->className()).arg(receiver->metaObject()->method(methodId).signature());
633 qWarning() << " - make sure all your data types are known by the Qt MetaSystem";
636 if (args[i] != QMetaType::type(params[i].typeName())) {
637 qWarning() << "SignalProxy::invokeSlot(): incompatible param types to invoke" << eMeta->methodName(methodId);
640 _a[i+1] = const_cast<void *>(params[i].constData());
643 if (returnValue.type() != QVariant::Invalid)
644 _a[0] = const_cast<void *>(returnValue.constData());
646 Qt::ConnectionType type = QThread::currentThread() == receiver->thread()
647 ? Qt::DirectConnection
648 : Qt::QueuedConnection;
650 if (type == Qt::DirectConnection) {
651 return receiver->qt_metacall(QMetaObject::InvokeMetaMethod, methodId, _a) < 0;
654 qWarning() << "Queued Connections are not implemented yet";
655 // note to self: qmetaobject.cpp:990 ff
661 bool SignalProxy::invokeSlot(QObject *receiver, int methodId, const QVariantList ¶ms)
664 return invokeSlot(receiver, methodId, params, ret);
668 void SignalProxy::requestInit(SyncableObject *obj)
670 if (proxyMode() == Server || obj->isInitialized())
673 dispatch(InitRequest(obj->syncMetaObject()->className(), obj->objectName()));
677 QVariantMap SignalProxy::initData(SyncableObject *obj) const
679 return obj->toVariantMap();
683 void SignalProxy::setInitData(SyncableObject *obj, const QVariantMap &properties)
685 if (obj->isInitialized())
687 obj->fromVariantMap(properties);
688 obj->setInitialized();
689 emit objectInitialized(obj);
690 invokeSlot(obj, extendedMetaObject(obj)->updatedRemotelyId());
694 void SignalProxy::customEvent(QEvent *event)
696 switch ((int)event->type()) {
697 case RemovePeerEvent: {
698 ::RemovePeerEvent *e = static_cast< ::RemovePeerEvent *>(event);
705 qWarning() << Q_FUNC_INFO << "Received unknown custom event:" << event->type();
711 void SignalProxy::sync_call__(const SyncableObject *obj, SignalProxy::ProxyMode modeType, const char *funcname, va_list ap)
713 // qDebug() << obj << modeType << "(" << _proxyMode << ")" << funcname;
714 if (modeType != _proxyMode)
717 ExtendedMetaObject *eMeta = extendedMetaObject(obj);
721 const QList<int> &argTypes = eMeta->argTypes(eMeta->methodId(QByteArray(funcname)));
723 for (int i = 0; i < argTypes.size(); i++) {
724 if (argTypes[i] == 0) {
725 qWarning() << Q_FUNC_INFO << "received invalid data for argument number" << i << "of signal" << QString("%1::%2").arg(eMeta->metaObject()->className()).arg(funcname);
726 qWarning() << " - make sure all your data types are known by the Qt MetaSystem";
729 params << QVariant(argTypes[i], va_arg(ap, void *));
732 dispatch(SyncMessage(eMeta->metaObject()->className(), obj->objectName(), QByteArray(funcname), params));
736 void SignalProxy::disconnectDevice(QIODevice *dev, const QString &reason)
738 if (!reason.isEmpty())
739 qWarning() << qPrintable(reason);
740 QAbstractSocket *sock = qobject_cast<QAbstractSocket *>(dev);
742 qWarning() << qPrintable(tr("Disconnecting")) << qPrintable(sock->peerAddress().toString());
747 void SignalProxy::dumpProxyStats()
750 if (proxyMode() == Server)
756 foreach(ObjectId oid, _syncSlave.values())
757 slaveCount += oid.count();
760 qDebug() << " Proxy Mode:" << mode;
761 qDebug() << " attached Slots:" << _attachedSlots.count();
762 qDebug() << " number of synced Slaves:" << slaveCount;
763 qDebug() << "number of Classes cached:" << _extendedMetaObjects.count();
767 void SignalProxy::updateSecureState()
769 bool wasSecure = _secure;
771 _secure = !_peers.isEmpty();
772 foreach (const AbstractPeer *peer, _peers) {
773 _secure &= peer->isSecure();
776 if (wasSecure != _secure)
777 emit secureStateChanged(_secure);
781 // ==================================================
782 // ExtendedMetaObject
783 // ==================================================
784 SignalProxy::ExtendedMetaObject::ExtendedMetaObject(const QMetaObject *meta, bool checkConflicts)
786 _updatedRemotelyId(_meta->indexOfSignal("updatedRemotely()"))
788 for (int i = 0; i < _meta->methodCount(); i++) {
789 if (_meta->method(i).methodType() != QMetaMethod::Slot)
792 if (QByteArray(_meta->method(i).signature()).contains('*'))
793 continue; // skip methods with ptr params
795 QByteArray method = methodName(_meta->method(i));
796 if (method.startsWith("init"))
797 continue; // skip initializers
799 if (_methodIds.contains(method)) {
800 /* funny... moc creates for methods containing default parameters multiple metaMethod with separate methodIds.
801 we don't care... we just need the full fledged version
803 const QMetaMethod ¤t = _meta->method(_methodIds[method]);
804 const QMetaMethod &candidate = _meta->method(i);
805 if (current.parameterTypes().count() > candidate.parameterTypes().count()) {
806 int minCount = candidate.parameterTypes().count();
807 QList<QByteArray> commonParams = current.parameterTypes().mid(0, minCount);
808 if (commonParams == candidate.parameterTypes())
809 continue; // we already got the full featured version
812 int minCount = current.parameterTypes().count();
813 QList<QByteArray> commonParams = candidate.parameterTypes().mid(0, minCount);
814 if (commonParams == current.parameterTypes()) {
815 _methodIds[method] = i; // use the new one
819 if (checkConflicts) {
820 qWarning() << "class" << meta->className() << "contains overloaded methods which is currently not supported!";
821 qWarning() << " - " << _meta->method(i).signature() << "conflicts with" << _meta->method(_methodIds[method]).signature();
825 _methodIds[method] = i;
830 const SignalProxy::ExtendedMetaObject::MethodDescriptor &SignalProxy::ExtendedMetaObject::methodDescriptor(int methodId)
832 if (!_methods.contains(methodId)) {
833 _methods[methodId] = MethodDescriptor(_meta->method(methodId));
835 return _methods[methodId];
839 const QHash<int, int> &SignalProxy::ExtendedMetaObject::receiveMap()
841 if (_receiveMap.isEmpty()) {
842 QHash<int, int> receiveMap;
844 QMetaMethod requestSlot;
845 QByteArray returnTypeName;
846 QByteArray signature;
847 QByteArray methodName;
851 const int methodCount = _meta->methodCount();
852 for (int i = 0; i < methodCount; i++) {
853 requestSlot = _meta->method(i);
854 if (requestSlot.methodType() != QMetaMethod::Slot)
857 returnTypeName = requestSlot.typeName();
858 if (QMetaType::Void == (QMetaType::Type)returnType(i))
861 signature = QByteArray(requestSlot.signature());
862 if (!signature.startsWith("request"))
865 paramsPos = signature.indexOf('(');
869 methodName = signature.left(paramsPos);
870 params = signature.mid(paramsPos);
872 methodName = methodName.replace("request", "receive");
873 params = params.left(params.count() - 1) + ", " + returnTypeName + ")";
875 signature = QMetaObject::normalizedSignature(methodName + params);
876 receiverId = _meta->indexOfSlot(signature);
878 if (receiverId == -1) {
879 signature = QMetaObject::normalizedSignature(methodName + "(" + returnTypeName + ")");
880 receiverId = _meta->indexOfSlot(signature);
883 if (receiverId != -1) {
884 receiveMap[i] = receiverId;
887 _receiveMap = receiveMap;
893 QByteArray SignalProxy::ExtendedMetaObject::methodName(const QMetaMethod &method)
895 QByteArray sig(method.signature());
896 return sig.left(sig.indexOf("("));
900 QString SignalProxy::ExtendedMetaObject::methodBaseName(const QMetaMethod &method)
902 QString methodname = QString(method.signature()).section("(", 0, 0);
904 // determine where we have to chop:
906 if (method.methodType() == QMetaMethod::Slot) {
907 // we take evertyhing from the first uppercase char if it's slot
908 upperCharPos = methodname.indexOf(QRegExp("[A-Z]"));
909 if (upperCharPos == -1)
911 methodname = methodname.mid(upperCharPos);
914 // and if it's a signal we discard everything from the last uppercase char
915 upperCharPos = methodname.lastIndexOf(QRegExp("[A-Z]"));
916 if (upperCharPos == -1)
918 methodname = methodname.left(upperCharPos);
921 methodname[0] = methodname[0].toUpper();
927 SignalProxy::ExtendedMetaObject::MethodDescriptor::MethodDescriptor(const QMetaMethod &method)
928 : _methodName(SignalProxy::ExtendedMetaObject::methodName(method)),
929 _returnType(QMetaType::type(method.typeName()))
931 // determine argTypes
932 QList<QByteArray> paramTypes = method.parameterTypes();
934 for (int i = 0; i < paramTypes.count(); i++) {
935 argTypes.append(QMetaType::type(paramTypes[i]));
937 _argTypes = argTypes;
939 // determine minArgCount
940 QString signature(method.signature());
941 _minArgCount = method.parameterTypes().count() - signature.count("=");
943 _receiverMode = (_methodName.startsWith("request"))
944 ? SignalProxy::Server
945 : SignalProxy::Client;