void QGalleryTrackerResultSetPrivate::query()
{
flags &= ~(Refresh | SyncFinished);
flags |= Active;
flags |= Reset;
updateTimer.stop();
rCache.count = iCache.count;
rCache.offset = 0;
iCache.count = 0;
iCache.cutoff = 0;
qSwap(rCache.values, iCache.values);
const int limit = queryLimit < 1 || queryLimit > 1024 ? 1024 : queryLimit;
QDBusPendingCall call = queryInterface->asyncCallWithArgumentList(
queryMethod, QVariantList(queryArguments) << queryOffset << limit);
if (call.isFinished()) {
queryFinished(call);
} else {
queryWatcher.reset(new QDBusPendingCallWatcher(call));
QObject::connect(
queryWatcher.data(), SIGNAL(finished(QDBusPendingCallWatcher*)),
q_func(), SLOT(_q_queryFinished(QDBusPendingCallWatcher*)));
progressMaximum = 2;
emit q_func()->progressChanged(0, progressMaximum);
}
}
void QGalleryTrackerResultSetPrivate::_q_parseFinished()
{
processSyncEvents();
if (parseWatcher.result()) {
Q_ASSERT(rCache.offset == rCache.count);
Q_ASSERT(iCache.cutoff == iCache.count);
rCache.values.clear();
rCache.count = 0;
flags &= ~Active;
if (flags & Refresh)
update();
else
emit q_func()->progressChanged(progressMaximum, progressMaximum);
q_func()->finish(flags & Live);
} else if (flags & Canceled) {
iCache.count = 0;
flags &= ~Active;
q_func()->QGalleryAbstractResponse::cancel();
} else {
const int offset = queryOffset + iCache.count;
const int limit = queryLimit < 1 || queryLimit - iCache.count > 1024
? 1024
: queryLimit - iCache.count;
QDBusPendingCall call = queryInterface->asyncCallWithArgumentList(
queryMethod, QVariantList(queryArguments) << offset << limit);
if (call.isFinished()) {
queryFinished(call);
} else {
queryWatcher.reset(new QDBusPendingCallWatcher(call));
QObject::connect(
queryWatcher.data(), SIGNAL(finished(QDBusPendingCallWatcher*)),
q_func(), SLOT(_q_queryFinished(QDBusPendingCallWatcher*)));
progressMaximum += 2;
emit q_func()->progressChanged(progressMaximum - 2, progressMaximum);
}
}
}
void QGalleryTrackerTypeResultSetPrivate::queryCount()
{
QVariantList arguments = queryArguments;
if (accumulative)
arguments << currentOffset << int(0);
QDBusPendingCall call = queryInterface->asyncCallWithArgumentList(queryMethod, arguments);
if (call.isFinished()) {
queryFinished(call);
} else {
queryWatcher = new QDBusPendingCallWatcher(call, q_func());
QObject::connect(queryWatcher, SIGNAL(finished(QDBusPendingCallWatcher*)),
q_func(), SLOT(_q_queryFinished(QDBusPendingCallWatcher*)));
}
}
