There's indeed one issue in the way qtsystems-opensource-src looks for oFono,
as described bellow:
src/systeminfo/linux/qofonowrapper.cpp
...
bool QOfonoWrapper::isOfonoAvailable()
{
// -1: Don't know if OFONO is available or not.
// 0: OFONO is not available.
// 1: OFONO is available.
if (-1 == available) {
if (QDBusConnection::systemBus().isConnected()) {
QDBusReply<bool> reply =
QDBusConnection::systemBus().interface()->isServiceRegistered(*OFONO_SERVICE());
if (reply.isValid())
available = reply.value();
else
available = 0;
}
}
return available;
}
It assumes that the service is available if the interface is there,
without knowing if it can really access the interface. This function
would be the main one to change as it already checks internally for it
everywhere before trying to grab data from oFono.
As a quick test, I just changed it to return 0 by default, but was
unable to get your test application to work (even the unconfined one).
After checking in more details, it fails even after stopping the ofono
service (using the default qtsystems-opensource-src package), so I
believe we're probably facing a different issue in here (and it seems
getAllModems would still return empty even with the denials, which would
probably be ok).
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https://bugs.launchpad.net/bugs/1226844
Title:
QtSystemInfo fails when using ofono and there are DBus denials to
ofono
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