1 /***************************************************************************
2 * Copyright (C) 2005-2013 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 <QCoreApplication>
22 #include <QHostAddress>
23 #include <QMetaMethod>
24 #include <QMetaProperty>
31 #include "signalproxy.h"
35 #include "syncableobject.h"
38 using namespace Protocol;
40 class RemovePeerEvent : public QEvent
43 RemovePeerEvent(Peer *peer) : QEvent(QEvent::Type(SignalProxy::RemovePeerEvent)), peer(peer) {}
48 // ==================================================
50 // ==================================================
51 class SignalProxy::SignalRelay : public QObject
53 /* Q_OBJECT is not necessary or even allowed, because we implement
54 qt_metacall ourselves (and don't use any other features of the meta
58 SignalRelay(SignalProxy *parent) : QObject(parent), _proxy(parent) {}
59 inline SignalProxy *proxy() const { return _proxy; }
61 int qt_metacall(QMetaObject::Call _c, int _id, void **_a);
63 void attachSignal(QObject *sender, int signalId, const QByteArray &funcName);
64 void detachSignal(QObject *sender, int signalId = -1);
71 Signal(QObject *sender, int sigId, const QByteArray &signature) : sender(sender), signalId(sigId), signature(signature) {}
72 Signal() : sender(0), signalId(-1) {}
76 QHash<int, Signal> _slots;
80 void SignalProxy::SignalRelay::attachSignal(QObject *sender, int signalId, const QByteArray &funcName)
82 // we ride without safetybelts here... all checking for valid method etc pp has to be done by the caller
83 // all connected methodIds are offset by the standard methodCount of QObject
85 for (int i = 0;; i++) {
86 if (!_slots.contains(i)) {
93 if (!funcName.isEmpty()) {
94 fn = QMetaObject::normalizedSignature(funcName);
97 fn = SIGNAL(fakeMethodSignature());
98 fn = fn.replace("fakeMethodSignature()", sender->metaObject()->method(signalId).signature());
101 _slots[slotId] = Signal(sender, signalId, fn);
103 QMetaObject::connect(sender, signalId, this, QObject::staticMetaObject.methodCount() + slotId);
107 void SignalProxy::SignalRelay::detachSignal(QObject *sender, int signalId)
109 QHash<int, Signal>::iterator slotIter = _slots.begin();
110 while (slotIter != _slots.end()) {
111 if (slotIter->sender == sender && (signalId == -1 || slotIter->signalId == signalId)) {
112 slotIter = _slots.erase(slotIter);
123 int SignalProxy::SignalRelay::qt_metacall(QMetaObject::Call _c, int _id, void **_a)
125 _id = QObject::qt_metacall(_c, _id, _a);
129 if (_c == QMetaObject::InvokeMetaMethod) {
130 if (_slots.contains(_id)) {
131 QObject *caller = sender();
133 SignalProxy::ExtendedMetaObject *eMeta = proxy()->extendedMetaObject(caller->metaObject());
136 const Signal &signal = _slots[_id];
140 const QList<int> &argTypes = eMeta->argTypes(signal.signalId);
141 for (int i = 0; i < argTypes.size(); i++) {
142 if (argTypes[i] == 0) {
143 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());
144 qWarning() << " - make sure all your data types are known by the Qt MetaSystem";
147 params << QVariant(argTypes[i], _a[i+1]);
150 proxy()->dispatch(RpcCall(signal.signature, params));
152 _id -= _slots.count();
158 // ==================================================
160 // ==================================================
161 SignalProxy::SignalProxy(QObject *parent)
164 setProxyMode(Client);
169 SignalProxy::SignalProxy(ProxyMode mode, QObject *parent)
177 SignalProxy::~SignalProxy()
179 QHash<QByteArray, ObjectId>::iterator classIter = _syncSlave.begin();
180 while (classIter != _syncSlave.end()) {
181 ObjectId::iterator objIter = classIter->begin();
182 while (objIter != classIter->end()) {
183 SyncableObject *obj = objIter.value();
184 objIter = classIter->erase(objIter);
185 obj->stopSynchronize(this);
195 void SignalProxy::setProxyMode(ProxyMode mode)
197 if (_peers.count()) {
198 qWarning() << Q_FUNC_INFO << "Cannot change proxy mode while connected";
210 void SignalProxy::init()
212 _heartBeatInterval = 0;
213 _maxHeartBeatCount = 0;
214 _signalRelay = new SignalRelay(this);
215 setHeartBeatInterval(30);
216 setMaxHeartBeatCount(2);
222 void SignalProxy::initServer()
227 void SignalProxy::initClient()
229 attachSlot("__objectRenamed__", this, SLOT(objectRenamed(QByteArray,QString,QString)));
233 void SignalProxy::setHeartBeatInterval(int secs)
235 if (_heartBeatInterval != secs) {
236 _heartBeatInterval = secs;
237 emit heartBeatIntervalChanged(secs);
242 void SignalProxy::setMaxHeartBeatCount(int max)
244 if (_maxHeartBeatCount != max) {
245 _maxHeartBeatCount = max;
246 emit maxHeartBeatCountChanged(max);
251 bool SignalProxy::addPeer(Peer *peer)
256 if (_peers.contains(peer))
259 if (!peer->isOpen()) {
260 qWarning("SignalProxy: peer needs to be open!");
264 if (proxyMode() == Client) {
265 if (!_peers.isEmpty()) {
266 qWarning("SignalProxy: only one peer allowed in client mode!");
269 connect(peer, SIGNAL(lagUpdated(int)), SIGNAL(lagUpdated(int)));
272 connect(peer, SIGNAL(disconnected()), SLOT(removePeerBySender()));
273 connect(peer, SIGNAL(secureStateChanged(bool)), SLOT(updateSecureState()));
276 peer->setParent(this);
280 peer->setSignalProxy(this);
282 if (_peers.count() == 1)
290 void SignalProxy::removeAllPeers()
292 Q_ASSERT(proxyMode() == Server || _peers.count() <= 1);
293 // wee need to copy that list since we modify it in the loop
294 QSet<Peer *> peers = _peers;
295 foreach(Peer *peer, peers) {
301 void SignalProxy::removePeer(Peer *peer)
304 qWarning() << Q_FUNC_INFO << "Trying to remove a null peer!";
308 if (_peers.isEmpty()) {
309 qWarning() << "SignalProxy::removePeer(): No peers in use!";
313 if (!_peers.contains(peer)) {
314 qWarning() << "SignalProxy: unknown Peer" << peer;
318 disconnect(peer, 0, this, 0);
319 peer->setSignalProxy(0);
322 emit peerRemoved(peer);
324 if (peer->parent() == this)
329 if (_peers.isEmpty())
334 void SignalProxy::removePeerBySender()
336 removePeer(qobject_cast<Peer *>(sender()));
340 void SignalProxy::renameObject(const SyncableObject *obj, const QString &newname, const QString &oldname)
342 if (proxyMode() == Client)
345 const QMetaObject *meta = obj->syncMetaObject();
346 const QByteArray className(meta->className());
347 objectRenamed(className, newname, oldname);
349 dispatch(RpcCall("__objectRenamed__", QVariantList() << className << newname << oldname));
353 void SignalProxy::objectRenamed(const QByteArray &classname, const QString &newname, const QString &oldname)
355 if (_syncSlave.contains(classname) && _syncSlave[classname].contains(oldname) && oldname != newname) {
356 SyncableObject *obj = _syncSlave[classname][newname] = _syncSlave[classname].take(oldname);
362 const QMetaObject *SignalProxy::metaObject(const QObject *obj)
364 if (const SyncableObject *syncObject = qobject_cast<const SyncableObject *>(obj))
365 return syncObject->syncMetaObject();
367 return obj->metaObject();
371 SignalProxy::ExtendedMetaObject *SignalProxy::extendedMetaObject(const QMetaObject *meta) const
373 if (_extendedMetaObjects.contains(meta))
374 return _extendedMetaObjects[meta];
380 SignalProxy::ExtendedMetaObject *SignalProxy::createExtendedMetaObject(const QMetaObject *meta, bool checkConflicts)
382 if (!_extendedMetaObjects.contains(meta)) {
383 _extendedMetaObjects[meta] = new ExtendedMetaObject(meta, checkConflicts);
385 return _extendedMetaObjects[meta];
389 bool SignalProxy::attachSignal(QObject *sender, const char *signal, const QByteArray &sigName)
391 const QMetaObject *meta = sender->metaObject();
392 QByteArray sig(meta->normalizedSignature(signal).mid(1));
393 int methodId = meta->indexOfMethod(sig.constData());
394 if (methodId == -1 || meta->method(methodId).methodType() != QMetaMethod::Signal) {
395 qWarning() << "SignalProxy::attachSignal(): No such signal" << signal;
399 createExtendedMetaObject(meta);
400 _signalRelay->attachSignal(sender, methodId, sigName);
402 disconnect(sender, SIGNAL(destroyed(QObject *)), this, SLOT(detachObject(QObject *)));
403 connect(sender, SIGNAL(destroyed(QObject *)), this, SLOT(detachObject(QObject *)));
408 bool SignalProxy::attachSlot(const QByteArray &sigName, QObject *recv, const char *slot)
410 const QMetaObject *meta = recv->metaObject();
411 int methodId = meta->indexOfMethod(meta->normalizedSignature(slot).mid(1));
412 if (methodId == -1 || meta->method(methodId).methodType() == QMetaMethod::Method) {
413 qWarning() << "SignalProxy::attachSlot(): No such slot" << slot;
417 createExtendedMetaObject(meta);
419 QByteArray funcName = QMetaObject::normalizedSignature(sigName.constData());
420 _attachedSlots.insert(funcName, qMakePair(recv, methodId));
422 disconnect(recv, SIGNAL(destroyed(QObject *)), this, SLOT(detachObject(QObject *)));
423 connect(recv, SIGNAL(destroyed(QObject *)), this, SLOT(detachObject(QObject *)));
428 void SignalProxy::synchronize(SyncableObject *obj)
430 createExtendedMetaObject(obj, true);
432 // attaching as slave to receive sync Calls
433 QByteArray className(obj->syncMetaObject()->className());
434 _syncSlave[className][obj->objectName()] = obj;
436 if (proxyMode() == Server) {
437 obj->setInitialized();
438 emit objectInitialized(obj);
441 if (obj->isInitialized())
442 emit objectInitialized(obj);
447 obj->synchronize(this);
451 void SignalProxy::detachObject(QObject *obj)
458 void SignalProxy::detachSignals(QObject *sender)
460 _signalRelay->detachSignal(sender);
464 void SignalProxy::detachSlots(QObject *receiver)
466 SlotHash::iterator slotIter = _attachedSlots.begin();
467 while (slotIter != _attachedSlots.end()) {
468 if (slotIter.value().first == receiver) {
469 slotIter = _attachedSlots.erase(slotIter);
477 void SignalProxy::stopSynchronize(SyncableObject *obj)
479 // we can't use a className here, since it might be effed up, if we receive the call as a result of a decon
480 // gladly the objectName() is still valid. So we have only to iterate over the classes not each instance! *sigh*
481 QHash<QByteArray, ObjectId>::iterator classIter = _syncSlave.begin();
482 while (classIter != _syncSlave.end()) {
483 if (classIter->contains(obj->objectName()) && classIter.value()[obj->objectName()] == obj) {
484 classIter->remove(obj->objectName());
489 obj->stopSynchronize(this);
494 void SignalProxy::dispatch(const T &protoMessage)
496 foreach (Peer *peer, _peers) {
498 peer->dispatch(protoMessage);
500 QCoreApplication::postEvent(this, new ::RemovePeerEvent(peer));
505 void SignalProxy::handle(Peer *peer, const SyncMessage &syncMessage)
507 if (!_syncSlave.contains(syncMessage.className()) || !_syncSlave[syncMessage.className()].contains(syncMessage.objectName())) {
508 qWarning() << QString("no registered receiver for sync call: %1::%2 (objectName=\"%3\"). Params are:").arg(syncMessage.className(), syncMessage.slotName(), syncMessage.objectName())
509 << syncMessage.params();
513 SyncableObject *receiver = _syncSlave[syncMessage.className()][syncMessage.objectName()];
514 ExtendedMetaObject *eMeta = extendedMetaObject(receiver);
515 if (!eMeta->slotMap().contains(syncMessage.slotName())) {
516 qWarning() << QString("no matching slot for sync call: %1::%2 (objectName=\"%3\"). Params are:").arg(syncMessage.className(), syncMessage.slotName(), syncMessage.objectName())
517 << syncMessage.params();
521 int slotId = eMeta->slotMap()[syncMessage.slotName()];
522 if (proxyMode() != eMeta->receiverMode(slotId)) {
523 qWarning("SignalProxy::handleSync(): invokeMethod for \"%s\" failed. Wrong ProxyMode!", eMeta->methodName(slotId).constData());
527 QVariant returnValue((QVariant::Type)eMeta->returnType(slotId));
528 if (!invokeSlot(receiver, slotId, syncMessage.params(), returnValue)) {
529 qWarning("SignalProxy::handleSync(): invokeMethod for \"%s\" failed ", eMeta->methodName(slotId).constData());
533 if (returnValue.type() != QVariant::Invalid && eMeta->receiveMap().contains(slotId)) {
534 int receiverId = eMeta->receiveMap()[slotId];
535 QVariantList returnParams;
536 if (eMeta->argTypes(receiverId).count() > 1)
537 returnParams << syncMessage.params();
538 returnParams << returnValue;
539 peer->dispatch(SyncMessage(syncMessage.className(), syncMessage.objectName(), eMeta->methodName(receiverId), returnParams));
542 // send emit update signal
543 invokeSlot(receiver, eMeta->updatedRemotelyId());
547 void SignalProxy::handle(Peer *peer, const InitRequest &initRequest)
549 if (!_syncSlave.contains(initRequest.className())) {
550 qWarning() << "SignalProxy::handleInitRequest() received initRequest for unregistered Class:"
551 << initRequest.className();
555 if (!_syncSlave[initRequest.className()].contains(initRequest.objectName())) {
556 qWarning() << "SignalProxy::handleInitRequest() received initRequest for unregistered Object:"
557 << initRequest.className() << initRequest.objectName();
561 SyncableObject *obj = _syncSlave[initRequest.className()][initRequest.objectName()];
562 peer->dispatch(InitData(initRequest.className(), initRequest.objectName(), initData(obj)));
566 void SignalProxy::handle(Peer *peer, const InitData &initData)
570 if (!_syncSlave.contains(initData.className())) {
571 qWarning() << "SignalProxy::handleInitData() received initData for unregistered Class:"
572 << initData.className();
576 if (!_syncSlave[initData.className()].contains(initData.objectName())) {
577 qWarning() << "SignalProxy::handleInitData() received initData for unregistered Object:"
578 << initData.className() << initData.objectName();
582 SyncableObject *obj = _syncSlave[initData.className()][initData.objectName()];
583 setInitData(obj, initData.initData());
587 void SignalProxy::handle(Peer *peer, const RpcCall &rpcCall)
593 SlotHash::const_iterator slot = _attachedSlots.constFind(rpcCall.slotName());
594 while (slot != _attachedSlots.constEnd() && slot.key() == rpcCall.slotName()) {
595 receiver = (*slot).first;
596 methodId = (*slot).second;
597 if (!invokeSlot(receiver, methodId, rpcCall.params())) {
598 ExtendedMetaObject *eMeta = extendedMetaObject(receiver);
599 qWarning("SignalProxy::handleSignal(): invokeMethod for \"%s\" failed ", eMeta->methodName(methodId).constData());
606 bool SignalProxy::invokeSlot(QObject *receiver, int methodId, const QVariantList ¶ms, QVariant &returnValue)
608 ExtendedMetaObject *eMeta = extendedMetaObject(receiver);
609 const QList<int> args = eMeta->argTypes(methodId);
610 const int numArgs = params.count() < args.count()
614 if (eMeta->minArgCount(methodId) > params.count()) {
615 qWarning() << "SignalProxy::invokeSlot(): not enough params to invoke" << eMeta->methodName(methodId);
619 void *_a[] = { 0, // return type...
620 0, 0, 0, 0, 0, // and 10 args - that's the max size qt can handle with signals and slots
623 // check for argument compatibility and build params array
624 for (int i = 0; i < numArgs; i++) {
625 if (!params[i].isValid()) {
626 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());
627 qWarning() << " - make sure all your data types are known by the Qt MetaSystem";
630 if (args[i] != QMetaType::type(params[i].typeName())) {
631 qWarning() << "SignalProxy::invokeSlot(): incompatible param types to invoke" << eMeta->methodName(methodId);
634 _a[i+1] = const_cast<void *>(params[i].constData());
637 if (returnValue.type() != QVariant::Invalid)
638 _a[0] = const_cast<void *>(returnValue.constData());
640 Qt::ConnectionType type = QThread::currentThread() == receiver->thread()
641 ? Qt::DirectConnection
642 : Qt::QueuedConnection;
644 if (type == Qt::DirectConnection) {
645 return receiver->qt_metacall(QMetaObject::InvokeMetaMethod, methodId, _a) < 0;
648 qWarning() << "Queued Connections are not implemented yet";
649 // note to self: qmetaobject.cpp:990 ff
655 bool SignalProxy::invokeSlot(QObject *receiver, int methodId, const QVariantList ¶ms)
658 return invokeSlot(receiver, methodId, params, ret);
662 void SignalProxy::requestInit(SyncableObject *obj)
664 if (proxyMode() == Server || obj->isInitialized())
667 dispatch(InitRequest(obj->syncMetaObject()->className(), obj->objectName()));
671 QVariantMap SignalProxy::initData(SyncableObject *obj) const
673 return obj->toVariantMap();
677 void SignalProxy::setInitData(SyncableObject *obj, const QVariantMap &properties)
679 if (obj->isInitialized())
681 obj->fromVariantMap(properties);
682 obj->setInitialized();
683 emit objectInitialized(obj);
684 invokeSlot(obj, extendedMetaObject(obj)->updatedRemotelyId());
688 void SignalProxy::customEvent(QEvent *event)
690 switch ((int)event->type()) {
691 case RemovePeerEvent: {
692 ::RemovePeerEvent *e = static_cast< ::RemovePeerEvent *>(event);
699 qWarning() << Q_FUNC_INFO << "Received unknown custom event:" << event->type();
705 void SignalProxy::sync_call__(const SyncableObject *obj, SignalProxy::ProxyMode modeType, const char *funcname, va_list ap)
707 // qDebug() << obj << modeType << "(" << _proxyMode << ")" << funcname;
708 if (modeType != _proxyMode)
711 ExtendedMetaObject *eMeta = extendedMetaObject(obj);
715 const QList<int> &argTypes = eMeta->argTypes(eMeta->methodId(QByteArray(funcname)));
717 for (int i = 0; i < argTypes.size(); i++) {
718 if (argTypes[i] == 0) {
719 qWarning() << Q_FUNC_INFO << "received invalid data for argument number" << i << "of signal" << QString("%1::%2").arg(eMeta->metaObject()->className()).arg(funcname);
720 qWarning() << " - make sure all your data types are known by the Qt MetaSystem";
723 params << QVariant(argTypes[i], va_arg(ap, void *));
726 dispatch(SyncMessage(eMeta->metaObject()->className(), obj->objectName(), QByteArray(funcname), params));
730 void SignalProxy::disconnectDevice(QIODevice *dev, const QString &reason)
732 if (!reason.isEmpty())
733 qWarning() << qPrintable(reason);
734 QAbstractSocket *sock = qobject_cast<QAbstractSocket *>(dev);
736 qWarning() << qPrintable(tr("Disconnecting")) << qPrintable(sock->peerAddress().toString());
741 void SignalProxy::dumpProxyStats()
744 if (proxyMode() == Server)
750 foreach(ObjectId oid, _syncSlave.values())
751 slaveCount += oid.count();
754 qDebug() << " Proxy Mode:" << mode;
755 qDebug() << " attached Slots:" << _attachedSlots.count();
756 qDebug() << " number of synced Slaves:" << slaveCount;
757 qDebug() << "number of Classes cached:" << _extendedMetaObjects.count();
761 void SignalProxy::updateSecureState()
763 bool wasSecure = _secure;
765 _secure = !_peers.isEmpty();
766 foreach (const Peer *peer, _peers) {
767 _secure &= peer->isSecure();
770 if (wasSecure != _secure)
771 emit secureStateChanged(_secure);
775 // ==================================================
776 // ExtendedMetaObject
777 // ==================================================
778 SignalProxy::ExtendedMetaObject::ExtendedMetaObject(const QMetaObject *meta, bool checkConflicts)
780 _updatedRemotelyId(_meta->indexOfSignal("updatedRemotely()"))
782 for (int i = 0; i < _meta->methodCount(); i++) {
783 if (_meta->method(i).methodType() != QMetaMethod::Slot)
786 if (QByteArray(_meta->method(i).signature()).contains('*'))
787 continue; // skip methods with ptr params
789 QByteArray method = methodName(_meta->method(i));
790 if (method.startsWith("init"))
791 continue; // skip initializers
793 if (_methodIds.contains(method)) {
794 /* funny... moc creates for methods containing default parameters multiple metaMethod with separate methodIds.
795 we don't care... we just need the full fledged version
797 const QMetaMethod ¤t = _meta->method(_methodIds[method]);
798 const QMetaMethod &candidate = _meta->method(i);
799 if (current.parameterTypes().count() > candidate.parameterTypes().count()) {
800 int minCount = candidate.parameterTypes().count();
801 QList<QByteArray> commonParams = current.parameterTypes().mid(0, minCount);
802 if (commonParams == candidate.parameterTypes())
803 continue; // we already got the full featured version
806 int minCount = current.parameterTypes().count();
807 QList<QByteArray> commonParams = candidate.parameterTypes().mid(0, minCount);
808 if (commonParams == current.parameterTypes()) {
809 _methodIds[method] = i; // use the new one
813 if (checkConflicts) {
814 qWarning() << "class" << meta->className() << "contains overloaded methods which is currently not supported!";
815 qWarning() << " - " << _meta->method(i).signature() << "conflicts with" << _meta->method(_methodIds[method]).signature();
819 _methodIds[method] = i;
824 const SignalProxy::ExtendedMetaObject::MethodDescriptor &SignalProxy::ExtendedMetaObject::methodDescriptor(int methodId)
826 if (!_methods.contains(methodId)) {
827 _methods[methodId] = MethodDescriptor(_meta->method(methodId));
829 return _methods[methodId];
833 const QHash<int, int> &SignalProxy::ExtendedMetaObject::receiveMap()
835 if (_receiveMap.isEmpty()) {
836 QHash<int, int> receiveMap;
838 QMetaMethod requestSlot;
839 QByteArray returnTypeName;
840 QByteArray signature;
841 QByteArray methodName;
845 const int methodCount = _meta->methodCount();
846 for (int i = 0; i < methodCount; i++) {
847 requestSlot = _meta->method(i);
848 if (requestSlot.methodType() != QMetaMethod::Slot)
851 returnTypeName = requestSlot.typeName();
852 if (QMetaType::Void == (QMetaType::Type)returnType(i))
855 signature = QByteArray(requestSlot.signature());
856 if (!signature.startsWith("request"))
859 paramsPos = signature.indexOf('(');
863 methodName = signature.left(paramsPos);
864 params = signature.mid(paramsPos);
866 methodName = methodName.replace("request", "receive");
867 params = params.left(params.count() - 1) + ", " + returnTypeName + ")";
869 signature = QMetaObject::normalizedSignature(methodName + params);
870 receiverId = _meta->indexOfSlot(signature);
872 if (receiverId == -1) {
873 signature = QMetaObject::normalizedSignature(methodName + "(" + returnTypeName + ")");
874 receiverId = _meta->indexOfSlot(signature);
877 if (receiverId != -1) {
878 receiveMap[i] = receiverId;
881 _receiveMap = receiveMap;
887 QByteArray SignalProxy::ExtendedMetaObject::methodName(const QMetaMethod &method)
889 QByteArray sig(method.signature());
890 return sig.left(sig.indexOf("("));
894 QString SignalProxy::ExtendedMetaObject::methodBaseName(const QMetaMethod &method)
896 QString methodname = QString(method.signature()).section("(", 0, 0);
898 // determine where we have to chop:
900 if (method.methodType() == QMetaMethod::Slot) {
901 // we take evertyhing from the first uppercase char if it's slot
902 upperCharPos = methodname.indexOf(QRegExp("[A-Z]"));
903 if (upperCharPos == -1)
905 methodname = methodname.mid(upperCharPos);
908 // and if it's a signal we discard everything from the last uppercase char
909 upperCharPos = methodname.lastIndexOf(QRegExp("[A-Z]"));
910 if (upperCharPos == -1)
912 methodname = methodname.left(upperCharPos);
915 methodname[0] = methodname[0].toUpper();
921 SignalProxy::ExtendedMetaObject::MethodDescriptor::MethodDescriptor(const QMetaMethod &method)
922 : _methodName(SignalProxy::ExtendedMetaObject::methodName(method)),
923 _returnType(QMetaType::type(method.typeName()))
925 // determine argTypes
926 QList<QByteArray> paramTypes = method.parameterTypes();
928 for (int i = 0; i < paramTypes.count(); i++) {
929 argTypes.append(QMetaType::type(paramTypes[i]));
931 _argTypes = argTypes;
933 // determine minArgCount
934 QString signature(method.signature());
935 _minArgCount = method.parameterTypes().count() - signature.count("=");
937 _receiverMode = (_methodName.startsWith("request"))
938 ? SignalProxy::Server
939 : SignalProxy::Client;