public bool Input(Im.Presence stanza)
{
if (MucError.IsError(stanza))
{
// Unable to join - No nickname specified / Duplicate nickname exists ... etc
var error = new MucError(stanza);
MucErrorResponse?.Raise(this, new GroupErrorEventArgs(error));
return(true);
}
// Things that could happen here:
// Service Sends Notice of Membership
// Service Passes Along Changed Presence
// Service Updates Nick
XmlElement xElement = stanza.Data ["x"];
if (xElement != null && xElement.NamespaceURI == MucNs.NsUser)
{
Occupant person = null;
foreach (XmlElement item in xElement.GetElementsByTagName("item"))
{
// There is only ever one item in a message here but,
// I don't have a better way of getting the first element as an element, not a node.
var itemJid = item.GetAttribute("jid");
var itemAffiliation = item.GetAttribute("affiliation");
var itemRole = item.GetAttribute("role");
if (!String.IsNullOrWhiteSpace(itemJid) && !String.IsNullOrWhiteSpace(itemAffiliation) &&
!String.IsNullOrWhiteSpace(itemRole))
{
person = new Occupant(
item.GetAttribute("jid"),
item.GetAttribute("affiliation"),
item.GetAttribute("role"));
}
}
IList <MucStatusType> statusCodeList = new List <MucStatusType> ();
foreach (XmlElement item in xElement.GetElementsByTagName("status"))
{
string codeAttribute = item.GetAttribute("code");
if (!string.IsNullOrWhiteSpace(codeAttribute))
{
var code = (MucStatusType)Enum.Parse(typeof(MucStatusType), codeAttribute);
statusCodeList.Add(code);
}
}
bool hasNoAvailability = string.IsNullOrWhiteSpace(stanza.Data["show"]?.InnerText);
if (person != null)
{
PrescenceChanged.Raise(this, new GroupPresenceEventArgs(person, new Jid(stanza.From.Domain, stanza.From.Node), statusCodeList));
return(hasNoAvailability);
}
}
// Any message with an Availability status can be managed by the Presence extension
return(false);
}
/// <summary>
/// Constructs a GroupErrorEventArgs.
/// </summary>
/// <param name="data">Group Chat Error.</param>
internal GroupErrorEventArgs(MucError data)
{
data.ThrowIfNull("invite");
Data = data;
}
public bool Input(Im.Message stanza)
{
if (MucError.IsError(stanza))
{
// Unable to send a message... many reasons
var error = new MucError(stanza);
MucErrorResponse?.Raise(this, new GroupErrorEventArgs(error));
return(true);
}
if (Invite.IsElement(stanza))
{
// Incoming chat room invite
var invite = new Invite(stanza);
InviteReceived.Raise(this, new GroupInviteEventArgs(invite));
return(true);
}
if (InviteDeclined.IsElement(stanza))
{
// Chat room invite was declined
var invite = new InviteDeclined(stanza);
InviteWasDeclined.Raise(this, new GroupInviteDeclinedEventArgs(invite));
return(true);
}
if (stanza.Subject != null)
{
// Subject change
SubjectChanged.Raise(this, new Im.MessageEventArgs(stanza.From, stanza));
return(true);
}
// Things that could happen here:
// Receive Registration Request
// Receive Voice Request
XmlElement xElement = stanza.Data["x"];
if (xElement != null && xElement.NamespaceURI == MucNs.NsXData)
{
switch (xElement.FirstChild.Value)
{
default:
break;
case MucNs.NsRequest:
// Invoke Voice Request Submission callback/event.
// 8.6 Approving Voice Requests
if (VoiceRequested != null)
{
SubmitForm form = VoiceRequested.Invoke(new RequestForm(xElement));
var message = new Core.Message(stanza.From, im.Jid, form.ToXmlElement());
SendMessage(message);
return(true);
}
break;
case MucNs.NsRegister:
// Invoke Registration Request Submission callback/event.
// 9.9 Approving Registration Requests
// I'm unsure on how to implement this.
// return true;
break;
}
}
// Any message with a body can be managed by the IM extension
// Such as Group Chat Message & Group Chat History
return(false);
}