/// <summary>
/// Invoked when a presence stanza is being received.
/// </summary>
/// <param name="stanza">The stanza which is being received.</param>
/// <returns>true to intercept the stanza or false to pass the stanza
/// on to the next handler.</returns>
public bool Input(Im.Presence stanza)
{
var vcard = stanza.Data["x"];
if (vcard == null || vcard.NamespaceURI != "vcard-temp:x:update")
{
return(false);
}
VCardInfoChanged type = (stanza.Data.GetElementsByTagName("avatar").Count > 0) ? VCardInfoChanged.Avatar : VCardInfoChanged.Data;
// Raise 'VCardChanged' event.
VCardChanged.Raise(this, new VCardChangedEventArgs(stanza.From, type));
//Even if we raised the 'VCardChanged' event we need to deal with presence message too
return(false);
}
/// <summary>
/// Initializes a new instance of the VCardChangedEventArgs class.
/// </summary>
/// <exception cref="ArgumentNullException">The jid parameter is null.</exception>
public VCardChangedEventArgs(Jid jid, VCardInfoChanged type)
{
jid.ThrowIfNull("jid");
Jid = jid;
Type = type;
}