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/*
* Copyright (c) 2010 Remko Tronçon
* Licensed under the GNU General Public License v3.
* See Documentation/Licenses/GPLv3.txt for more information.
*/
#include "PresenceOracle.h"
#include <boost/bind.hpp>
#include "Swiften/Client/StanzaChannel.h"
namespace Swift {
PresenceOracle::PresenceOracle(StanzaChannel* stanzaChannel) {
stanzaChannel_ = stanzaChannel;
stanzaChannel_->onPresenceReceived.connect(boost::bind(&PresenceOracle::handleIncomingPresence, this, _1));
stanzaChannel_->onAvailableChanged.connect(boost::bind(&PresenceOracle::handleStanzaChannelAvailableChanged, this, _1));
}
PresenceOracle::~PresenceOracle() {
stanzaChannel_->onPresenceReceived.disconnect(boost::bind(&PresenceOracle::handleIncomingPresence, this, _1));
stanzaChannel_->onAvailableChanged.disconnect(boost::bind(&PresenceOracle::handleStanzaChannelAvailableChanged, this, _1));
}
void PresenceOracle::handleStanzaChannelAvailableChanged(bool available) {
if (available) {
entries_.clear();
}
}
void PresenceOracle::handleIncomingPresence(Presence::ref presence) {
JID bareJID(presence->getFrom().toBare());
if (presence->getType() == Presence::Subscribe) {
}
else {
Presence::ref passedPresence = presence;
if (presence->getType() == Presence::Unsubscribe) {
/* 3921bis says that we don't follow up with an unavailable, so simulate this ourselves */
passedPresence = Presence::ref(new Presence());
passedPresence->setType(Presence::Unavailable);
passedPresence->setFrom(bareJID);
passedPresence->setStatus(presence->getStatus());
}
std::map<JID, boost::shared_ptr<Presence> > jidMap = entries_[bareJID];
if (passedPresence->getFrom().isBare() && presence->getType() == Presence::Unavailable) {
/* Have a bare-JID only presence of offline */
jidMap.clear();
} else if (passedPresence->getType() == Presence::Available) {
/* Don't have a bare-JID only offline presence once there are available presences */
jidMap.erase(bareJID);
}
if (passedPresence->getType() == Presence::Unavailable && jidMap.size() > 1) {
jidMap.erase(passedPresence->getFrom());
} else {
jidMap[passedPresence->getFrom()] = passedPresence;
}
entries_[bareJID] = jidMap;
onPresenceChange(passedPresence);
}
}
Presence::ref PresenceOracle::getLastPresence(const JID& jid) const {
PresencesMap::const_iterator i = entries_.find(jid.toBare());
if (i == entries_.end()) {
return Presence::ref();
}
PresenceMap presenceMap = i->second;
PresenceMap::const_iterator j = presenceMap.find(jid);
if (j != presenceMap.end()) {
return j->second;
}
else {
return Presence::ref();
}
}
Presence::ref PresenceOracle::getHighestPriorityPresence(const JID& bareJID) const {
PresencesMap::const_iterator i = entries_.find(bareJID);
if (i == entries_.end()) {
return Presence::ref();
}
PresenceMap presenceMap = i->second;
PresenceMap::const_iterator j = presenceMap.begin();
Presence::ref highest;
for (; j != presenceMap.end(); j++) {
Presence::ref current = j->second;
if (!highest
|| current->getPriority() > highest->getPriority()
|| (current->getPriority() == highest->getPriority()
&& StatusShow::typeToAvailabilityOrdering(current->getShow()) > StatusShow::typeToAvailabilityOrdering(highest->getShow()))) {
highest = current;
}
}
return highest;
}
}
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Swift