private void registerRosterListener() {
// flush roster on connecting.
mRoster = mXMPPConnection.getRoster();
mRoster.setSubscriptionMode(Roster.SubscriptionMode.manual);
if (mRosterListener != null) mRoster.removeRosterListener(mRosterListener);
mRosterListener =
new RosterListener() {
private boolean first_roster = true;
public void entriesAdded(Collection<String> entries) {
debugLog("entriesAdded(" + entries + ")");
ContentValues[] cvs = new ContentValues[entries.size()];
int i = 0;
for (String entry : entries) {
RosterEntry rosterEntry = mRoster.getEntry(entry);
cvs[i++] = getContentValuesForRosterEntry(rosterEntry);
}
mContentResolver.bulkInsert(RosterProvider.CONTENT_URI, cvs);
// when getting the roster in the beginning, remove remains of old one
if (first_roster) {
removeOldRosterEntries();
first_roster = false;
mServiceCallBack.rosterChanged();
}
debugLog("entriesAdded() done");
}
public void entriesDeleted(Collection<String> entries) {
debugLog("entriesDeleted(" + entries + ")");
for (String entry : entries) {
deleteRosterEntryFromDB(entry);
}
mServiceCallBack.rosterChanged();
}
public void entriesUpdated(Collection<String> entries) {
debugLog("entriesUpdated(" + entries + ")");
for (String entry : entries) {
RosterEntry rosterEntry = mRoster.getEntry(entry);
updateRosterEntryInDB(rosterEntry);
}
mServiceCallBack.rosterChanged();
}
public void presenceChanged(Presence presence) {
debugLog("presenceChanged(" + presence.getFrom() + "): " + presence);
String jabberID = getBareJID(presence.getFrom());
RosterEntry rosterEntry = mRoster.getEntry(jabberID);
updateRosterEntryInDB(rosterEntry);
mServiceCallBack.rosterChanged();
}
};
mRoster.addRosterListener(mRosterListener);
}
public void unRegisterCallback() {
debugLog("unRegisterCallback()");
// remove callbacks _before_ tossing old connection
try {
mXMPPConnection.getRoster().removeRosterListener(mRosterListener);
mXMPPConnection.removePacketListener(mPacketListener);
mXMPPConnection.removePacketListener(mPresenceListener);
mXMPPConnection.removePacketListener(mPongListener);
unregisterPongListener();
} catch (Exception e) {
// ignore it!
e.printStackTrace();
}
requestConnectionState(ConnectionState.OFFLINE);
setStatusOffline();
mService.unregisterReceiver(mPingAlarmReceiver);
mService.unregisterReceiver(mPongTimeoutAlarmReceiver);
this.mServiceCallBack = null;
}