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QHostInfo::lookupHostImpl: code tidies

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Since a non-null `member` implies a non-null `receiver`, streamline
the redundant check(s). While at it, introduce a simple boolean that
conveys the meaning of what we're checking for.

Change-Id: Ib9be162075771de74b1a6bc4426008b7c194df3a
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
Reviewed-by: Mårten Nordheim <marten.nordheim@qt.io>
This commit is contained in:
Giuseppe D'Angelo 2023-09-04 21:17:17 +02:00
parent c63de2cda3
commit 552dc1ecfe
1 changed files with 9 additions and 4 deletions
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13
src/network/kernel/qhostinfo.cpp
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@ -751,6 +751,7 @@ int QHostInfo::lookupHostImpl(const QString &name,
Q_ASSERT(!member != !slotObj); // one of these must be set, but not both
Q_ASSERT(receiver || slotObj);
Q_ASSERT(!member || receiver); // if member is set, also is receiver
const bool isUsingStringBasedSlot = static_cast<bool>(member);
if (!QAbstractEventDispatcher::instance(QThread::currentThread())) {
qWarning("QHostInfo::lookupHost() called with no event dispatcher");
@ -767,9 +768,10 @@ int QHostInfo::lookupHostImpl(const QString &name,
hostInfo.setErrorString(QCoreApplication::translate("QHostInfo", "No host name given"));
QHostInfoResult result(receiver, std::move(slotObj));
if (receiver && member)
if (isUsingStringBasedSlot) {
QObject::connect(&result, SIGNAL(resultsReady(QHostInfo)),
receiver, member, Qt::QueuedConnection);
}
result.postResultsReady(hostInfo);
return id;
@ -784,9 +786,10 @@ int QHostInfo::lookupHostImpl(const QString &name,
hostInfo.setLookupId(id);
QHostInfoResult result(receiver, std::move(slotObj));
if (receiver && member)
if (isUsingStringBasedSlot) {
QObject::connect(&result, SIGNAL(resultsReady(QHostInfo)),
receiver, member, Qt::QueuedConnection);
}
result.postResultsReady(hostInfo);
#else
QHostInfoLookupManager *manager = theHostInfoLookupManager();
@ -800,9 +803,10 @@ int QHostInfo::lookupHostImpl(const QString &name,
if (valid) {
info.setLookupId(id);
QHostInfoResult result(receiver, std::move(slotObj));
if (receiver && member)
if (isUsingStringBasedSlot) {
QObject::connect(&result, SIGNAL(resultsReady(QHostInfo)),
receiver, member, Qt::QueuedConnection);
}
result.postResultsReady(info);
return id;
}
@ -810,9 +814,10 @@ int QHostInfo::lookupHostImpl(const QString &name,
// cache is not enabled or it was not in the cache, do normal lookup
QHostInfoRunnable *runnable = new QHostInfoRunnable(name, id, receiver, std::move(slotObj));
if (receiver && member)
if (isUsingStringBasedSlot) {
QObject::connect(&runnable->resultEmitter, SIGNAL(resultsReady(QHostInfo)),
receiver, member, Qt::QueuedConnection);
}
manager->scheduleLookup(runnable);
}
#endif // Q_OS_WASM