public void notify(Packet packet)
{
String from = packet["from"];
String type = packet["type"];
if (type == null)
{
type = "available";
}
String show = packet.getChildValue("show");
if (show == null)
{
show = "chat";
}
String statusMessage = packet.getChildValue("status");
//test whether the presence is a groupchat presence or regular presence
JabberID jid = new JabberID(from);
String user = jid.User;
if (user != null && user.EndsWith(".group")) // groupchat presence
{
Packet error = packet.getFirstChild("error"); // possible error packet
if (error != null) // there was an error
{
String code = error["code"];
String description = error.getValue();
ShowGroupErrorDelegate sged = new ShowGroupErrorDelegate(model.gui.ShowGroupError);
model.gui.Invoke(sged, new Object[] { code, description });
//delegate : ShowError(String code, String description);
return;
}
// delegate signature : void UpdateGroupPresence(String groupJID, String userNick, Show show, String statusMessage)
UpdateGroupPresenceDelegate ugpd = new UpdateGroupPresenceDelegate(model.gui.UpdateGroupPresence);
Goodware.Jabber.GUI.Show showStatus = Show.chat;
String groupName = user.Substring(0, user.LastIndexOf(".group"));
String userNick = jid.Resource;
if (show.Equals("chat"))
{
showStatus = Show.chat;
}
else if (show.Equals("away"))
{
showStatus = Show.away;
}
else if (show.Equals("xa"))
{
showStatus = Show.xa;
}
else if (show.Equals("dnd"))
{
showStatus = Show.dnd;
}
if (type.Equals("available"))
{
// UpdateGroupPresence(groupName, userNick, showStatus, statusMessage);
model.gui.Invoke(ugpd, new Object[] { groupName, userNick, showStatus, statusMessage });
// UpdateGroupPresence(groupName, userNick, showStatus, statusMessage);
}
else if (type.Equals("unavailable"))
{
RemoveGroupMemberDelegate rgmd = new RemoveGroupMemberDelegate(model.gui.RemoveGroupMember);
model.gui.Invoke(rgmd, new Object[] { groupName, userNick });
// RemoveGroupMember(groupName, userNick);
}
}
else // regular presence
{
GetContactDelegate del = new GetContactDelegate(model.gui.GetContact);
Contact contact = (Contact)model.gui.Invoke(del, new Object[] { from });
UpdateContactPresenceDelegate ucpd = new UpdateContactPresenceDelegate(model.gui.UpdateContactPresence);
//two cases : presence update & presence subscription
if (type.Equals("available") || type.Equals("unavailable")) // presence update
{
Status status;
if (type.Equals("unavailable"))
{
status = Status.unavailable;
}
else if (show.Equals("chat"))
{
status = Status.chat;
}
else if (show.Equals("away"))
{
status = Status.away;
}
else if (show.Equals("xa"))
{
status = Status.xa;
}
else if (show.Equals("dnd"))
{
status = Status.dnd;
}
else
{
status = Status.unavailable; // some default - execution should never come to this case
}
model.gui.Invoke(ucpd, new Object[] { from, status, statusMessage }); //delegate : UpdateContactPresence(from, Status.unavailable, null)
}
else // presence subscription or unsubscription
{
if (type.Equals("subscribe"))
{
if (contact == null) // this is the first invitation
{
AcceptInvitationDelegate aid = new AcceptInvitationDelegate(model.gui.AcceptInvitation);
if ((bool)model.gui.Invoke(aid, new Object[] { from })) //invitation accepted
{
model.sendPresence(from, "subscribed", null, null, null);
model.sendPresence(from, "subscribe", null, null, null);
}
else //invitation refused
{
model.sendPresence(from, "unsubscribed", null, null, null);
}
}
else // the contact is already invited
{
model.sendPresence(from, "subscribed", null, null, null);
//contact.Status = Status.unavailable;
model.gui.Invoke(ucpd, new Object[] { from, Status.unavailable, null }); //delegate : UpdateContactPresence(from, Status.unavailable, null)
model.sendPresence(model.Me.Status, model.Me.StatusMessage);
//model.sendPresence - presence packet with current presence information for the user (type, status, show)
}
}
else if (type.Equals("subscribed"))
{
Status status = contact.Status;
if (status == Status.inviteSent) //the second stage in the "three-way handshake"
// do Nothing : immediately after this packet comes a "subscribe" packet and then things are handled
{
}
else if (status == Status.inviteAccepted) // the third stage in the "three-way handshake"
//contact.Status = Status.unavailable;
{
model.gui.Invoke(ucpd, new Object[] { from, Status.unavailable, null }); // delegate : UpdateContactPresence(from, Status.unavailable, null)
}
}
else if (type.Equals("unsubscribe"))
{
// do Nothing : immediately after this packet comes an "unsubscribed" packet and then things are handled
}
else if (type.Equals("unsubscribed"))
{
RemoveContactDelegate rcd = new RemoveContactDelegate(model.gui.RemoveContact);
model.gui.Invoke(rcd, new Object[] { from });
// delegate : void removeContact(String jid) - actual invocation : removeContact(from)
// removes the contact <jid> from the structures containing the contacts
} // type of presence
} // presence update or subscription
} // groupchat presence or regular presence
}
public void notify(Packet packet) {
String from = packet["from"];
String type = packet["type"];
if (type == null) {
type = "available";
}
String show = packet.getChildValue("show");
if (show == null) {
show = "chat";
}
String statusMessage = packet.getChildValue("status");
//test whether the presence is a groupchat presence or regular presence
JabberID jid = new JabberID(from);
String user = jid.User;
if (user != null && user.EndsWith(".group")) { // groupchat presence
Packet error = packet.getFirstChild("error"); // possible error packet
if (error != null) { // there was an error
String code = error["code"];
String description = error.getValue();
ShowGroupErrorDelegate sged = new ShowGroupErrorDelegate(model.gui.ShowGroupError);
model.gui.Invoke(sged, new Object[] { code, description });
//delegate : ShowError(String code, String description);
return;
}
// delegate signature : void UpdateGroupPresence(String groupJID, String userNick, Show show, String statusMessage)
UpdateGroupPresenceDelegate ugpd = new UpdateGroupPresenceDelegate(model.gui.UpdateGroupPresence);
Goodware.Jabber.GUI.Show showStatus = Show.chat;
String groupName = user.Substring(0, user.LastIndexOf(".group"));
String userNick = jid.Resource;
if (show.Equals("chat")) {
showStatus = Show.chat;
} else if (show.Equals("away")) {
showStatus = Show.away;
} else if (show.Equals("xa")) {
showStatus = Show.xa;
} else if (show.Equals("dnd")) {
showStatus = Show.dnd;
}
if (type.Equals("available")) {
// UpdateGroupPresence(groupName, userNick, showStatus, statusMessage);
model.gui.Invoke(ugpd, new Object[] { groupName, userNick, showStatus, statusMessage });
// UpdateGroupPresence(groupName, userNick, showStatus, statusMessage);
} else if (type.Equals("unavailable")) {
RemoveGroupMemberDelegate rgmd = new RemoveGroupMemberDelegate(model.gui.RemoveGroupMember);
model.gui.Invoke(rgmd, new Object[] {groupName, userNick});
// RemoveGroupMember(groupName, userNick);
}
} else { // regular presence
GetContactDelegate del = new GetContactDelegate(model.gui.GetContact);
Contact contact = (Contact)model.gui.Invoke(del, new Object[] { from });
UpdateContactPresenceDelegate ucpd = new UpdateContactPresenceDelegate(model.gui.UpdateContactPresence);
//two cases : presence update & presence subscription
if (type.Equals("available") || type.Equals("unavailable")) { // presence update
Status status;
if (type.Equals("unavailable")) {
status = Status.unavailable;
} else if (show.Equals("chat")) {
status = Status.chat;
} else if (show.Equals("away")) {
status = Status.away;
} else if (show.Equals("xa")) {
status = Status.xa;
} else if (show.Equals("dnd")) {
status = Status.dnd;
} else {
status = Status.unavailable; // some default - execution should never come to this case
}
model.gui.Invoke(ucpd, new Object[] { from, status, statusMessage }); //delegate : UpdateContactPresence(from, Status.unavailable, null)
} else { // presence subscription or unsubscription
if (type.Equals("subscribe")) {
if (contact == null) { // this is the first invitation
AcceptInvitationDelegate aid = new AcceptInvitationDelegate(model.gui.AcceptInvitation);
if ((bool)model.gui.Invoke(aid, new Object[] { from })) { //invitation accepted
model.sendPresence(from, "subscribed", null, null, null);
model.sendPresence(from, "subscribe", null, null, null);
} else { //invitation refused
model.sendPresence(from, "unsubscribed", null, null, null);
}
} else { // the contact is already invited
model.sendPresence(from, "subscribed", null, null, null);
//contact.Status = Status.unavailable;
model.gui.Invoke(ucpd, new Object[] { from, Status.unavailable, null }); //delegate : UpdateContactPresence(from, Status.unavailable, null)
model.sendPresence(model.Me.Status, model.Me.StatusMessage);
//model.sendPresence - presence packet with current presence information for the user (type, status, show)
}
} else if (type.Equals("subscribed")) {
Status status = contact.Status;
if (status == Status.inviteSent) { //the second stage in the "three-way handshake"
// do Nothing : immediately after this packet comes a "subscribe" packet and then things are handled
} else if (status == Status.inviteAccepted) { // the third stage in the "three-way handshake"
//contact.Status = Status.unavailable;
model.gui.Invoke(ucpd, new Object[] { from, Status.unavailable, null }); // delegate : UpdateContactPresence(from, Status.unavailable, null)
}
} else if (type.Equals("unsubscribe")) {
// do Nothing : immediately after this packet comes an "unsubscribed" packet and then things are handled
} else if (type.Equals("unsubscribed")) {
RemoveContactDelegate rcd = new RemoveContactDelegate(model.gui.RemoveContact);
model.gui.Invoke(rcd, new Object[] { from });
// delegate : void removeContact(String jid) - actual invocation : removeContact(from)
// removes the contact <jid> from the structures containing the contacts
} // type of presence
} // presence update or subscription
} // groupchat presence or regular presence
}