/*! \internal \a n is in the signal index range (see QObjectPrivate::signalIndex()). */ void QQmlJavaScriptExpression::GuardCapture::captureProperty(QObject *o, int c, int n) { if (watcher->wasDeleted()) return; Q_ASSERT(expression); if (n == -1) { if (!errorString) { errorString = new QStringList; QString preamble = QLatin1String("QQmlExpression: Expression ") + expression->m_vtable->expressionIdentifier(expression) + QLatin1String(" depends on non-NOTIFYable properties:"); errorString->append(preamble); } const QMetaObject *metaObj = o->metaObject(); QMetaProperty metaProp = metaObj->property(c); QString error = QLatin1String(" ") + QString::fromUtf8(metaObj->className()) + QLatin1String("::") + QString::fromUtf8(metaProp.name()); errorString->append(error); } else { // Try and find a matching guard while (!guards.isEmpty() && !guards.first()->isConnected(o, n)) guards.takeFirst()->Delete(); Guard *g = 0; if (!guards.isEmpty()) { g = guards.takeFirst(); g->cancelNotify(); Q_ASSERT(g->isConnected(o, n)); } else { g = Guard::New(expression, engine); g->connect(o, n, engine); } expression->activeGuards.prepend(g); } }
void QQmlJavaScriptExpression::GuardCapture::captureProperty(QQmlNotifier *n) { if (expression) { // Try and find a matching guard while (!guards.isEmpty() && !guards.first()->isConnected(n)) guards.takeFirst()->Delete(); Guard *g = 0; if (!guards.isEmpty()) { g = guards.takeFirst(); g->cancelNotify(); Q_ASSERT(g->isConnected(n)); } else { g = Guard::New(expression, engine); g->connect(n); } expression->activeGuards.prepend(g); } }