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 "signalproxy.h"
25 #include <QAbstractSocket>
26 #include <QHostAddress>
32 #include <QMetaMethod>
33 #include <QMetaProperty>
41 #include <QCoreApplication>
44 #include "syncableobject.h"
47 using namespace Protocol;
49 class RemovePeerEvent : public QEvent
52 RemovePeerEvent(SignalProxy::AbstractPeer *peer) : QEvent(QEvent::Type(SignalProxy::RemovePeerEvent)), peer(peer) {}
53 SignalProxy::AbstractPeer *peer;
57 // ==================================================
59 // ==================================================
60 class SignalProxy::SignalRelay : public QObject
62 /* Q_OBJECT is not necessary or even allowed, because we implement
63 qt_metacall ourselves (and don't use any other features of the meta
67 SignalRelay(SignalProxy *parent) : QObject(parent), _proxy(parent) {}
68 inline SignalProxy *proxy() const { return _proxy; }
70 int qt_metacall(QMetaObject::Call _c, int _id, void **_a);
72 void attachSignal(QObject *sender, int signalId, const QByteArray &funcName);
73 void detachSignal(QObject *sender, int signalId = -1);
80 Signal(QObject *sender, int sigId, const QByteArray &signature) : sender(sender), signalId(sigId), signature(signature) {}
81 Signal() : sender(0), signalId(-1) {}
85 QHash<int, Signal> _slots;
89 void SignalProxy::SignalRelay::attachSignal(QObject *sender, int signalId, const QByteArray &funcName)
91 // we ride without safetybelts here... all checking for valid method etc pp has to be done by the caller
92 // all connected methodIds are offset by the standard methodCount of QObject
94 for (int i = 0;; i++) {
95 if (!_slots.contains(i)) {
102 if (!funcName.isEmpty()) {
103 fn = QMetaObject::normalizedSignature(funcName);
106 fn = SIGNAL(fakeMethodSignature());
107 fn = fn.replace("fakeMethodSignature()", sender->metaObject()->method(signalId).signature());
110 _slots[slotId] = Signal(sender, signalId, fn);
112 QMetaObject::connect(sender, signalId, this, QObject::staticMetaObject.methodCount() + slotId);
116 void SignalProxy::SignalRelay::detachSignal(QObject *sender, int signalId)
118 QHash<int, Signal>::iterator slotIter = _slots.begin();
119 while (slotIter != _slots.end()) {
120 if (slotIter->sender == sender && (signalId == -1 || slotIter->signalId == signalId)) {
121 slotIter = _slots.erase(slotIter);
132 int SignalProxy::SignalRelay::qt_metacall(QMetaObject::Call _c, int _id, void **_a)
134 _id = QObject::qt_metacall(_c, _id, _a);
138 if (_c == QMetaObject::InvokeMetaMethod) {
139 if (_slots.contains(_id)) {
140 QObject *caller = sender();
142 SignalProxy::ExtendedMetaObject *eMeta = proxy()->extendedMetaObject(caller->metaObject());
145 const Signal &signal = _slots[_id];
149 const QList<int> &argTypes = eMeta->argTypes(signal.signalId);
150 for (int i = 0; i < argTypes.size(); i++) {
151 if (argTypes[i] == 0) {
152 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());
153 qWarning() << " - make sure all your data types are known by the Qt MetaSystem";
156 params << QVariant(argTypes[i], _a[i+1]);
159 proxy()->dispatch(RpcCall(signal.signature, params));
161 _id -= _slots.count();
167 // ==================================================
169 // ==================================================
170 SignalProxy::SignalProxy(QObject *parent)
173 setProxyMode(Client);
178 SignalProxy::SignalProxy(ProxyMode mode, QObject *parent)
186 SignalProxy::~SignalProxy()
188 QHash<QByteArray, ObjectId>::iterator classIter = _syncSlave.begin();
189 while (classIter != _syncSlave.end()) {
190 ObjectId::iterator objIter = classIter->begin();
191 while (objIter != classIter->end()) {
192 SyncableObject *obj = objIter.value();
193 objIter = classIter->erase(objIter);
194 obj->stopSynchronize(this);
204 void SignalProxy::setProxyMode(ProxyMode mode)
206 if (_peers.count()) {
207 qWarning() << Q_FUNC_INFO << "Cannot change proxy mode while connected";
219 void SignalProxy::init()
221 _heartBeatInterval = 0;
222 _maxHeartBeatCount = 0;
223 _signalRelay = new SignalRelay(this);
224 setHeartBeatInterval(30);
225 setMaxHeartBeatCount(2);
231 void SignalProxy::initServer()
236 void SignalProxy::initClient()
238 attachSlot("__objectRenamed__", this, SLOT(objectRenamed(QByteArray,QString,QString)));
242 void SignalProxy::setHeartBeatInterval(int secs)
244 if (_heartBeatInterval != secs) {
245 _heartBeatInterval = secs;
246 emit heartBeatIntervalChanged(secs);
251 void SignalProxy::setMaxHeartBeatCount(int max)
253 if (_maxHeartBeatCount != max) {
254 _maxHeartBeatCount = max;
255 emit maxHeartBeatCountChanged(max);
260 bool SignalProxy::addPeer(AbstractPeer *peer)
265 if (_peers.contains(peer))
268 if (!peer->isOpen()) {
269 qWarning("SignalProxy: peer needs to be open!");
273 if (proxyMode() == Client) {
274 if (!_peers.isEmpty()) {
275 qWarning("SignalProxy: only one peer allowed in client mode!");
278 connect(peer, SIGNAL(lagUpdated(int)), SIGNAL(lagUpdated(int)));
281 connect(peer, SIGNAL(disconnected()), SLOT(removePeerBySender()));
282 connect(peer, SIGNAL(secureStateChanged(bool)), SLOT(updateSecureState()));
285 peer->setParent(this);
289 peer->setSignalProxy(this);
291 if (_peers.count() == 1)
299 void SignalProxy::removeAllPeers()
301 Q_ASSERT(proxyMode() == Server || _peers.count() <= 1);
302 // wee need to copy that list since we modify it in the loop
303 QSet<AbstractPeer *> peers = _peers;
304 foreach(AbstractPeer *peer, peers) {
310 void SignalProxy::removePeer(AbstractPeer *peer)
313 qWarning() << Q_FUNC_INFO << "Trying to remove a null peer!";
317 if (_peers.isEmpty()) {
318 qWarning() << "SignalProxy::removePeer(): No peers in use!";
322 if (!_peers.contains(peer)) {
323 qWarning() << "SignalProxy: unknown Peer" << peer;
327 disconnect(peer, 0, this, 0);
328 peer->setSignalProxy(0);
331 emit peerRemoved(peer);
333 if (peer->parent() == this)
338 if (_peers.isEmpty())
343 void SignalProxy::removePeerBySender()
345 removePeer(qobject_cast<SignalProxy::AbstractPeer *>(sender()));
349 void SignalProxy::renameObject(const SyncableObject *obj, const QString &newname, const QString &oldname)
351 if (proxyMode() == Client)
354 const QMetaObject *meta = obj->syncMetaObject();
355 const QByteArray className(meta->className());
356 objectRenamed(className, newname, oldname);
358 dispatch(RpcCall("__objectRenamed__", QVariantList() << className << newname << oldname));
362 void SignalProxy::objectRenamed(const QByteArray &classname, const QString &newname, const QString &oldname)
364 if (_syncSlave.contains(classname) && _syncSlave[classname].contains(oldname) && oldname != newname) {
365 SyncableObject *obj = _syncSlave[classname][newname] = _syncSlave[classname].take(oldname);
371 const QMetaObject *SignalProxy::metaObject(const QObject *obj)
373 if (const SyncableObject *syncObject = qobject_cast<const SyncableObject *>(obj))
374 return syncObject->syncMetaObject();
376 return obj->metaObject();
380 SignalProxy::ExtendedMetaObject *SignalProxy::extendedMetaObject(const QMetaObject *meta) const
382 if (_extendedMetaObjects.contains(meta))
383 return _extendedMetaObjects[meta];
389 SignalProxy::ExtendedMetaObject *SignalProxy::createExtendedMetaObject(const QMetaObject *meta, bool checkConflicts)
391 if (!_extendedMetaObjects.contains(meta)) {
392 _extendedMetaObjects[meta] = new ExtendedMetaObject(meta, checkConflicts);
394 return _extendedMetaObjects[meta];
398 bool SignalProxy::attachSignal(QObject *sender, const char *signal, const QByteArray &sigName)
400 const QMetaObject *meta = sender->metaObject();
401 QByteArray sig(meta->normalizedSignature(signal).mid(1));
402 int methodId = meta->indexOfMethod(sig.constData());
403 if (methodId == -1 || meta->method(methodId).methodType() != QMetaMethod::Signal) {
404 qWarning() << "SignalProxy::attachSignal(): No such signal" << signal;
408 createExtendedMetaObject(meta);
409 _signalRelay->attachSignal(sender, methodId, sigName);
411 disconnect(sender, SIGNAL(destroyed(QObject *)), this, SLOT(detachObject(QObject *)));
412 connect(sender, SIGNAL(destroyed(QObject *)), this, SLOT(detachObject(QObject *)));
417 bool SignalProxy::attachSlot(const QByteArray &sigName, QObject *recv, const char *slot)
419 const QMetaObject *meta = recv->metaObject();
420 int methodId = meta->indexOfMethod(meta->normalizedSignature(slot).mid(1));
421 if (methodId == -1 || meta->method(methodId).methodType() == QMetaMethod::Method) {
422 qWarning() << "SignalProxy::attachSlot(): No such slot" << slot;
426 createExtendedMetaObject(meta);
428 QByteArray funcName = QMetaObject::normalizedSignature(sigName.constData());
429 _attachedSlots.insert(funcName, qMakePair(recv, methodId));
431 disconnect(recv, SIGNAL(destroyed(QObject *)), this, SLOT(detachObject(QObject *)));
432 connect(recv, SIGNAL(destroyed(QObject *)), this, SLOT(detachObject(QObject *)));
437 void SignalProxy::synchronize(SyncableObject *obj)
439 createExtendedMetaObject(obj, true);
441 // attaching as slave to receive sync Calls
442 QByteArray className(obj->syncMetaObject()->className());
443 _syncSlave[className][obj->objectName()] = obj;
445 if (proxyMode() == Server) {
446 obj->setInitialized();
447 emit objectInitialized(obj);
450 if (obj->isInitialized())
451 emit objectInitialized(obj);
456 obj->synchronize(this);
460 void SignalProxy::detachObject(QObject *obj)
467 void SignalProxy::detachSignals(QObject *sender)
469 _signalRelay->detachSignal(sender);
473 void SignalProxy::detachSlots(QObject *receiver)
475 SlotHash::iterator slotIter = _attachedSlots.begin();
476 while (slotIter != _attachedSlots.end()) {
477 if (slotIter.value().first == receiver) {
478 slotIter = _attachedSlots.erase(slotIter);
486 void SignalProxy::stopSynchronize(SyncableObject *obj)
488 // we can't use a className here, since it might be effed up, if we receive the call as a result of a decon
489 // gladly the objectName() is still valid. So we have only to iterate over the classes not each instance! *sigh*
490 QHash<QByteArray, ObjectId>::iterator classIter = _syncSlave.begin();
491 while (classIter != _syncSlave.end()) {
492 if (classIter->contains(obj->objectName()) && classIter.value()[obj->objectName()] == obj) {
493 classIter->remove(obj->objectName());
498 obj->stopSynchronize(this);
503 void SignalProxy::dispatch(const T &protoMessage)
505 foreach (AbstractPeer *peer, _peers) {
507 peer->dispatch(protoMessage);
509 QCoreApplication::postEvent(this, new ::RemovePeerEvent(peer));
514 void SignalProxy::handle(SignalProxy::AbstractPeer *peer, const SyncMessage &syncMessage)
516 if (!_syncSlave.contains(syncMessage.className()) || !_syncSlave[syncMessage.className()].contains(syncMessage.objectName())) {
517 qWarning() << QString("no registered receiver for sync call: %1::%2 (objectName=\"%3\"). Params are:").arg(syncMessage.className(), syncMessage.slotName(), syncMessage.objectName())
518 << syncMessage.params();
522 SyncableObject *receiver = _syncSlave[syncMessage.className()][syncMessage.objectName()];
523 ExtendedMetaObject *eMeta = extendedMetaObject(receiver);
524 if (!eMeta->slotMap().contains(syncMessage.slotName())) {
525 qWarning() << QString("no matching slot for sync call: %1::%2 (objectName=\"%3\"). Params are:").arg(syncMessage.className(), syncMessage.slotName(), syncMessage.objectName())
526 << syncMessage.params();
530 int slotId = eMeta->slotMap()[syncMessage.slotName()];
531 if (proxyMode() != eMeta->receiverMode(slotId)) {
532 qWarning("SignalProxy::handleSync(): invokeMethod for \"%s\" failed. Wrong ProxyMode!", eMeta->methodName(slotId).constData());
536 QVariant returnValue((QVariant::Type)eMeta->returnType(slotId));
537 if (!invokeSlot(receiver, slotId, syncMessage.params(), returnValue)) {
538 qWarning("SignalProxy::handleSync(): invokeMethod for \"%s\" failed ", eMeta->methodName(slotId).constData());
542 if (returnValue.type() != QVariant::Invalid && eMeta->receiveMap().contains(slotId)) {
543 int receiverId = eMeta->receiveMap()[slotId];
544 QVariantList returnParams;
545 if (eMeta->argTypes(receiverId).count() > 1)
546 returnParams << syncMessage.params();
547 returnParams << returnValue;
548 peer->dispatch(SyncMessage(syncMessage.className(), syncMessage.objectName(), eMeta->methodName(receiverId), returnParams));
551 // send emit update signal
552 invokeSlot(receiver, eMeta->updatedRemotelyId());
556 void SignalProxy::handle(SignalProxy::AbstractPeer *peer, const InitRequest &initRequest)
558 if (!_syncSlave.contains(initRequest.className())) {
559 qWarning() << "SignalProxy::handleInitRequest() received initRequest for unregistered Class:"
560 << initRequest.className();
564 if (!_syncSlave[initRequest.className()].contains(initRequest.objectName())) {
565 qWarning() << "SignalProxy::handleInitRequest() received initRequest for unregistered Object:"
566 << initRequest.className() << initRequest.objectName();
570 SyncableObject *obj = _syncSlave[initRequest.className()][initRequest.objectName()];
571 peer->dispatch(InitData(initRequest.className(), initRequest.objectName(), initData(obj)));
575 void SignalProxy::handle(SignalProxy::AbstractPeer *peer, const InitData &initData)
579 if (!_syncSlave.contains(initData.className())) {
580 qWarning() << "SignalProxy::handleInitData() received initData for unregistered Class:"
581 << initData.className();
585 if (!_syncSlave[initData.className()].contains(initData.objectName())) {
586 qWarning() << "SignalProxy::handleInitData() received initData for unregistered Object:"
587 << initData.className() << initData.objectName();
591 SyncableObject *obj = _syncSlave[initData.className()][initData.objectName()];
592 setInitData(obj, initData.initData());
596 void SignalProxy::handle(SignalProxy::AbstractPeer *peer, const RpcCall &rpcCall)
602 SlotHash::const_iterator slot = _attachedSlots.constFind(rpcCall.slotName());
603 while (slot != _attachedSlots.constEnd() && slot.key() == rpcCall.slotName()) {
604 receiver = (*slot).first;
605 methodId = (*slot).second;
606 if (!invokeSlot(receiver, methodId, rpcCall.params())) {
607 ExtendedMetaObject *eMeta = extendedMetaObject(receiver);
608 qWarning("SignalProxy::handleSignal(): invokeMethod for \"%s\" failed ", eMeta->methodName(methodId).constData());
615 bool SignalProxy::invokeSlot(QObject *receiver, int methodId, const QVariantList ¶ms, QVariant &returnValue)
617 ExtendedMetaObject *eMeta = extendedMetaObject(receiver);
618 const QList<int> args = eMeta->argTypes(methodId);
619 const int numArgs = params.count() < args.count()
623 if (eMeta->minArgCount(methodId) > params.count()) {
624 qWarning() << "SignalProxy::invokeSlot(): not enough params to invoke" << eMeta->methodName(methodId);
628 void *_a[] = { 0, // return type...
629 0, 0, 0, 0, 0, // and 10 args - that's the max size qt can handle with signals and slots
632 // check for argument compatibility and build params array
633 for (int i = 0; i < numArgs; i++) {
634 if (!params[i].isValid()) {
635 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());
636 qWarning() << " - make sure all your data types are known by the Qt MetaSystem";
639 if (args[i] != QMetaType::type(params[i].typeName())) {
640 qWarning() << "SignalProxy::invokeSlot(): incompatible param types to invoke" << eMeta->methodName(methodId);
643 _a[i+1] = const_cast<void *>(params[i].constData());
646 if (returnValue.type() != QVariant::Invalid)
647 _a[0] = const_cast<void *>(returnValue.constData());
649 Qt::ConnectionType type = QThread::currentThread() == receiver->thread()
650 ? Qt::DirectConnection
651 : Qt::QueuedConnection;
653 if (type == Qt::DirectConnection) {
654 return receiver->qt_metacall(QMetaObject::InvokeMetaMethod, methodId, _a) < 0;
657 qWarning() << "Queued Connections are not implemented yet";
658 // note to self: qmetaobject.cpp:990 ff
664 bool SignalProxy::invokeSlot(QObject *receiver, int methodId, const QVariantList ¶ms)
667 return invokeSlot(receiver, methodId, params, ret);
671 void SignalProxy::requestInit(SyncableObject *obj)
673 if (proxyMode() == Server || obj->isInitialized())
676 dispatch(InitRequest(obj->syncMetaObject()->className(), obj->objectName()));
680 QVariantMap SignalProxy::initData(SyncableObject *obj) const
682 return obj->toVariantMap();
686 void SignalProxy::setInitData(SyncableObject *obj, const QVariantMap &properties)
688 if (obj->isInitialized())
690 obj->fromVariantMap(properties);
691 obj->setInitialized();
692 emit objectInitialized(obj);
693 invokeSlot(obj, extendedMetaObject(obj)->updatedRemotelyId());
697 void SignalProxy::customEvent(QEvent *event)
699 switch ((int)event->type()) {
700 case RemovePeerEvent: {
701 ::RemovePeerEvent *e = static_cast< ::RemovePeerEvent *>(event);
708 qWarning() << Q_FUNC_INFO << "Received unknown custom event:" << event->type();
714 void SignalProxy::sync_call__(const SyncableObject *obj, SignalProxy::ProxyMode modeType, const char *funcname, va_list ap)
716 // qDebug() << obj << modeType << "(" << _proxyMode << ")" << funcname;
717 if (modeType != _proxyMode)
720 ExtendedMetaObject *eMeta = extendedMetaObject(obj);
724 const QList<int> &argTypes = eMeta->argTypes(eMeta->methodId(QByteArray(funcname)));
726 for (int i = 0; i < argTypes.size(); i++) {
727 if (argTypes[i] == 0) {
728 qWarning() << Q_FUNC_INFO << "received invalid data for argument number" << i << "of signal" << QString("%1::%2").arg(eMeta->metaObject()->className()).arg(funcname);
729 qWarning() << " - make sure all your data types are known by the Qt MetaSystem";
732 params << QVariant(argTypes[i], va_arg(ap, void *));
735 dispatch(SyncMessage(eMeta->metaObject()->className(), obj->objectName(), QByteArray(funcname), params));
739 void SignalProxy::disconnectDevice(QIODevice *dev, const QString &reason)
741 if (!reason.isEmpty())
742 qWarning() << qPrintable(reason);
743 QAbstractSocket *sock = qobject_cast<QAbstractSocket *>(dev);
745 qWarning() << qPrintable(tr("Disconnecting")) << qPrintable(sock->peerAddress().toString());
750 void SignalProxy::dumpProxyStats()
753 if (proxyMode() == Server)
759 foreach(ObjectId oid, _syncSlave.values())
760 slaveCount += oid.count();
763 qDebug() << " Proxy Mode:" << mode;
764 qDebug() << " attached Slots:" << _attachedSlots.count();
765 qDebug() << " number of synced Slaves:" << slaveCount;
766 qDebug() << "number of Classes cached:" << _extendedMetaObjects.count();
770 void SignalProxy::updateSecureState()
772 bool wasSecure = _secure;
774 _secure = !_peers.isEmpty();
775 foreach (const AbstractPeer *peer, _peers) {
776 _secure &= peer->isSecure();
779 if (wasSecure != _secure)
780 emit secureStateChanged(_secure);
784 // ==================================================
785 // ExtendedMetaObject
786 // ==================================================
787 SignalProxy::ExtendedMetaObject::ExtendedMetaObject(const QMetaObject *meta, bool checkConflicts)
789 _updatedRemotelyId(_meta->indexOfSignal("updatedRemotely()"))
791 for (int i = 0; i < _meta->methodCount(); i++) {
792 if (_meta->method(i).methodType() != QMetaMethod::Slot)
795 if (QByteArray(_meta->method(i).signature()).contains('*'))
796 continue; // skip methods with ptr params
798 QByteArray method = methodName(_meta->method(i));
799 if (method.startsWith("init"))
800 continue; // skip initializers
802 if (_methodIds.contains(method)) {
803 /* funny... moc creates for methods containing default parameters multiple metaMethod with separate methodIds.
804 we don't care... we just need the full fledged version
806 const QMetaMethod ¤t = _meta->method(_methodIds[method]);
807 const QMetaMethod &candidate = _meta->method(i);
808 if (current.parameterTypes().count() > candidate.parameterTypes().count()) {
809 int minCount = candidate.parameterTypes().count();
810 QList<QByteArray> commonParams = current.parameterTypes().mid(0, minCount);
811 if (commonParams == candidate.parameterTypes())
812 continue; // we already got the full featured version
815 int minCount = current.parameterTypes().count();
816 QList<QByteArray> commonParams = candidate.parameterTypes().mid(0, minCount);
817 if (commonParams == current.parameterTypes()) {
818 _methodIds[method] = i; // use the new one
822 if (checkConflicts) {
823 qWarning() << "class" << meta->className() << "contains overloaded methods which is currently not supported!";
824 qWarning() << " - " << _meta->method(i).signature() << "conflicts with" << _meta->method(_methodIds[method]).signature();
828 _methodIds[method] = i;
833 const SignalProxy::ExtendedMetaObject::MethodDescriptor &SignalProxy::ExtendedMetaObject::methodDescriptor(int methodId)
835 if (!_methods.contains(methodId)) {
836 _methods[methodId] = MethodDescriptor(_meta->method(methodId));
838 return _methods[methodId];
842 const QHash<int, int> &SignalProxy::ExtendedMetaObject::receiveMap()
844 if (_receiveMap.isEmpty()) {
845 QHash<int, int> receiveMap;
847 QMetaMethod requestSlot;
848 QByteArray returnTypeName;
849 QByteArray signature;
850 QByteArray methodName;
854 const int methodCount = _meta->methodCount();
855 for (int i = 0; i < methodCount; i++) {
856 requestSlot = _meta->method(i);
857 if (requestSlot.methodType() != QMetaMethod::Slot)
860 returnTypeName = requestSlot.typeName();
861 if (QMetaType::Void == (QMetaType::Type)returnType(i))
864 signature = QByteArray(requestSlot.signature());
865 if (!signature.startsWith("request"))
868 paramsPos = signature.indexOf('(');
872 methodName = signature.left(paramsPos);
873 params = signature.mid(paramsPos);
875 methodName = methodName.replace("request", "receive");
876 params = params.left(params.count() - 1) + ", " + returnTypeName + ")";
878 signature = QMetaObject::normalizedSignature(methodName + params);
879 receiverId = _meta->indexOfSlot(signature);
881 if (receiverId == -1) {
882 signature = QMetaObject::normalizedSignature(methodName + "(" + returnTypeName + ")");
883 receiverId = _meta->indexOfSlot(signature);
886 if (receiverId != -1) {
887 receiveMap[i] = receiverId;
890 _receiveMap = receiveMap;
896 QByteArray SignalProxy::ExtendedMetaObject::methodName(const QMetaMethod &method)
898 QByteArray sig(method.signature());
899 return sig.left(sig.indexOf("("));
903 QString SignalProxy::ExtendedMetaObject::methodBaseName(const QMetaMethod &method)
905 QString methodname = QString(method.signature()).section("(", 0, 0);
907 // determine where we have to chop:
909 if (method.methodType() == QMetaMethod::Slot) {
910 // we take evertyhing from the first uppercase char if it's slot
911 upperCharPos = methodname.indexOf(QRegExp("[A-Z]"));
912 if (upperCharPos == -1)
914 methodname = methodname.mid(upperCharPos);
917 // and if it's a signal we discard everything from the last uppercase char
918 upperCharPos = methodname.lastIndexOf(QRegExp("[A-Z]"));
919 if (upperCharPos == -1)
921 methodname = methodname.left(upperCharPos);
924 methodname[0] = methodname[0].toUpper();
930 SignalProxy::ExtendedMetaObject::MethodDescriptor::MethodDescriptor(const QMetaMethod &method)
931 : _methodName(SignalProxy::ExtendedMetaObject::methodName(method)),
932 _returnType(QMetaType::type(method.typeName()))
934 // determine argTypes
935 QList<QByteArray> paramTypes = method.parameterTypes();
937 for (int i = 0; i < paramTypes.count(); i++) {
938 argTypes.append(QMetaType::type(paramTypes[i]));
940 _argTypes = argTypes;
942 // determine minArgCount
943 QString signature(method.signature());
944 _minArgCount = method.parameterTypes().count() - signature.count("=");
946 _receiverMode = (_methodName.startsWith("request"))
947 ? SignalProxy::Server
948 : SignalProxy::Client;