bool operator()(const Presence::ref& a, const Presence::ref& b) {
int aPreference = preferenceFromStatusShow(a->getShow());
int bPreference = preferenceFromStatusShow(b->getShow());
if (aPreference != bPreference) {
return aPreference < bPreference;
}
if (a->getPriority() != b->getPriority()) {
return a->getPriority() < b->getPriority();
}
return a->getFrom().getResource() < b->getFrom().getResource();
}
Presence::ref PresenceOracle::getHighestPriorityPresence(const JID& bareJID) const {
PresencesMap::const_iterator i = entries_.find(bareJID);
if (i == entries_.end()) {
return Presence::ref();
}
Presence::ref highest;
for (const auto& jidPresence : i->second) {
Presence::ref current = jidPresence.second;
if (!highest
|| current->getPriority() > highest->getPriority()
|| (current->getPriority() == highest->getPriority()
&& StatusShow::typeToAvailabilityOrdering(current->getShow()) > StatusShow::typeToAvailabilityOrdering(highest->getShow()))) {
highest = current;
}
}
return highest;
}