//! [Example of an asynchronous request slot]
void AsyncRequestExample::contactFetchRequestStateChanged(QContactAbstractRequest::State newState)
{
if (newState == QContactAbstractRequest::FinishedState) {
QContactFetchRequest *request = qobject_cast<QContactFetchRequest*>(QObject::sender());
if (request->error() != QContactManager::NoError) {
qDebug() << "Error" << request->error() << "occurred during fetch request!";
return;
}
QList<QContact> results = request->contacts();
for (int i = 0; i < results.size(); i++) {
qDebug() << "Retrieved contact:" << results.at(i).displayLabel();
}
} else if (newState == QContactAbstractRequest::CanceledState) {
qDebug() << "Fetch operation canceled!";
}
}
/* One of our subrequests has finished. Go to the next step. */
void FetchByIdRequestController::handleFinishedSubRequest(QContactAbstractRequest* subReq)
{
// It's possibly already finished if this function is called asynchronously and waitForFinished
// had previously been called
if (isFinished())
return;
// For a FetchByIdRequest, we know that the only subrequest is a QContactFetchRequest.
// The next step is simply to take the results and reformat it.
// Take the results:
QContactFetchRequest* qcfr = qobject_cast<QContactFetchRequest*>(subReq);
QList<QContact> contacts = qcfr->contacts();
QContactManager::Error error = qcfr->error();
// Build an index into the results
QHash<QContactLocalId, QContact> idMap;
if (error == QContactManager::NoError) {
foreach (const QContact& contact, contacts) {
idMap.insert(contact.localId(), contact);
}
