public function handle_iq($stanza)
{
$stanza = new XMPPStanza($stanza);
// emit callback registered on stanza id's
$emited = false;
if ($stanza->id && $this->ev->exists('on_stanza_id_' . $stanza->id)) {
//_debug("on stanza id callbackd");
$emited = true;
$this->ev->emit('on_stanza_id_' . $stanza->id, array($stanza));
}
// catch roster list
if ($stanza->type == 'result' && ($query = $stanza->exists('query', 'jabber:iq:roster'))) {
foreach ($query->childrens as $child) {
if ($child->name == 'item') {
$jid = $child->attrs['jid'];
$subscription = $child->attrs['subscription'];
$groups = array();
foreach ($child->childrens as $group) {
if ($group->name == 'group') {
$groups[] = $group->text;
}
}
$this->roster[$jid] = new RosterItem($jid, $subscription, $groups);
}
}
// emit this event if not emited above
if (!$emited) {
$this->ev->emit('on_roster_update');
}
}
// if managing roster
// catch contact vcard results
if ($this->manage_roster && $stanza->type == 'result' && ($query = $stanza->exists('vCard', 'vcard-temp'))) {
if (@$this->roster[$stanza->from]) {
$this->roster[$stanza->from]->vcard = $query;
}
}
// on_get_iq, on_result_iq, and other events are only
// emitted if on_stanza_id_{id} wasn't emitted above
// TODO: can we add more checks here before calling back
// e.g. checks on existence of an attribute, check on 1st level child ns and so on
if (!$emited) {
$this->ev->emit('on_' . $stanza->type . '_iq', array($stanza));
}
}
