private void registerPresenceListener() {
// do not register multiple packet listeners
if (mPresenceListener != null) mXMPPConnection.removePacketListener(mPresenceListener);
mPresenceListener =
new PacketListener() {
public void processPacket(Packet packet) {
try {
Presence p = (Presence) packet;
switch (p.getType()) {
case subscribe:
handleIncomingSubscribe(p);
break;
case unsubscribe:
break;
}
} catch (Exception e) {
// SMACK silently discards exceptions dropped from processPacket :(
Log.e(TAG, "failed to process presence:");
e.printStackTrace();
}
}
};
mXMPPConnection.addPacketListener(mPresenceListener, new PacketTypeFilter(Presence.class));
}
/**
* Registers a smack packet listener for IQ packets, intended to recognize "pongs" with a packet
* id matching the last "ping" sent to the server.
*
* <p>Also sets up the AlarmManager Timer plus necessary intents.
*/
private void registerPongListener() {
// reset ping expectation on new connection
mPingID = null;
if (mPongListener != null) mXMPPConnection.removePacketListener(mPongListener);
mPongListener =
new PacketListener() {
@Override
public void processPacket(Packet packet) {
if (packet == null) return;
gotServerPong(packet.getPacketID());
}
};
mXMPPConnection.addPacketListener(mPongListener, new PacketTypeFilter(IQ.class));
mPingAlarmPendIntent =
PendingIntent.getBroadcast(
mService.getApplicationContext(),
0,
mPingAlarmIntent,
PendingIntent.FLAG_UPDATE_CURRENT);
mPongTimeoutAlarmPendIntent =
PendingIntent.getBroadcast(
mService.getApplicationContext(),
0,
mPongTimeoutAlarmIntent,
PendingIntent.FLAG_UPDATE_CURRENT);
mAlarmManager.setInexactRepeating(
AlarmManager.RTC_WAKEUP,
System.currentTimeMillis() + AlarmManager.INTERVAL_FIFTEEN_MINUTES,
AlarmManager.INTERVAL_FIFTEEN_MINUTES,
mPingAlarmPendIntent);
}
private void registerMessageListener() {
// do not register multiple packet listeners
if (mPacketListener != null) mXMPPConnection.removePacketListener(mPacketListener);
PacketTypeFilter filter = new PacketTypeFilter(Message.class);
mPacketListener =
new PacketListener() {
public void processPacket(Packet packet) {
try {
if (packet instanceof Message) {
Message msg = (Message) packet;
String fromJID = getBareJID(msg.getFrom());
int direction = ChatConstants.INCOMING;
Carbon cc = CarbonManager.getCarbon(msg);
// extract timestamp
long ts;
DelayInfo timestamp = (DelayInfo) msg.getExtension("delay", "urn:xmpp:delay");
if (timestamp == null)
timestamp = (DelayInfo) msg.getExtension("x", "jabber:x:delay");
if (cc != null) // Carbon timestamp overrides packet timestamp
timestamp = cc.getForwarded().getDelayInfo();
if (timestamp != null) ts = timestamp.getStamp().getTime();
else ts = System.currentTimeMillis();
// try to extract a carbon
if (cc != null) {
Log.d(TAG, "carbon: " + cc.toXML());
msg = (Message) cc.getForwarded().getForwardedPacket();
// outgoing carbon: fromJID is actually chat peer's JID
if (cc.getDirection() == Carbon.Direction.sent) {
fromJID = getBareJID(msg.getTo());
direction = ChatConstants.OUTGOING;
} else {
fromJID = getBareJID(msg.getFrom());
// hook off carbonated delivery receipts
DeliveryReceipt dr =
(DeliveryReceipt)
msg.getExtension(DeliveryReceipt.ELEMENT, DeliveryReceipt.NAMESPACE);
if (dr != null) {
Log.d(TAG, "got CC'ed delivery receipt for " + dr.getId());
changeMessageDeliveryStatus(dr.getId(), ChatConstants.DS_ACKED);
}
}
}
String chatMessage = msg.getBody();
// display error inline
if (msg.getType() == Message.Type.error) {
if (changeMessageDeliveryStatus(msg.getPacketID(), ChatConstants.DS_FAILED))
mServiceCallBack.messageError(fromJID, msg.getError().toString(), (cc != null));
return; // we do not want to add errors as "incoming messages"
}
// ignore empty messages
if (chatMessage == null) {
Log.d(TAG, "empty message.");
return;
}
// carbons are old. all others are new
int is_new = (cc == null) ? ChatConstants.DS_NEW : ChatConstants.DS_SENT_OR_READ;
if (msg.getType() == Message.Type.error) is_new = ChatConstants.DS_FAILED;
addChatMessageToDB(direction, fromJID, chatMessage, is_new, ts, msg.getPacketID());
if (direction == ChatConstants.INCOMING)
mServiceCallBack.newMessage(fromJID, chatMessage, (cc != null));
}
} catch (Exception e) {
// SMACK silently discards exceptions dropped from processPacket :(
Log.e(TAG, "failed to process packet:");
e.printStackTrace();
}
}
};
mXMPPConnection.addPacketListener(mPacketListener, filter);
}
