/// <summary>
/// Gets the presence of the given user.
/// </summary>
/// <param name="targetJid">User JID</param>
public void GetPresence(XmppJid targetJid)
{
Presence presence = new Presence
{
Id = XmppIdentifierGenerator.Generate(),
Type = PresenceType.Probe,
From = this.session.UserId,
To = targetJid
};
this.session.Send(presence);
}
internal void Update(Presence presence)
{
if (presence.TypeSpecified &&
presence.Type == PresenceType.Unavailable)
{
this.PresenceStatus = XmppPresenceState.Offline;
}
else
{
this.PresenceStatus = XmppPresenceState.Available;
}
foreach (object item in presence.Items)
{
if (item is sbyte)
{
this.Priority = (sbyte)item;
}
if (item is int)
{
this.Priority = (int)item;
}
else if (item is ShowType)
{
this.PresenceStatus = this.DecodeShowAs((ShowType)item);
}
else if (item is Status)
{
this.StatusMessage = ((Status)item).Value;
}
}
}
/// <summary>
/// Processes the presence message.
/// </summary>
/// <param name="presence">The presence.</param>
/// <returns></returns>
private bool ProcessPresenceMessage(Presence presence)
{
this.onPresenceMessage.OnNext(presence);
return true;
}
/// <summary>
/// Request subscription to the given user
/// </summary>
/// <param name="contactId"></param>
public void RequestSubscription(XmppJid jid)
{
Presence presence = new Presence
{
Type = PresenceType.Subscribe,
To = jid
};
this.session.Send(presence);
}
/// <summary>
/// Sets the presence as Unavailable
/// </summary>
public void SetUnavailable()
{
Presence presence = new Presence
{
Type = PresenceType.Unavailable
};
this.session.Send(presence);
}
/// <summary>
/// Subscribes to presence updates of the current user
/// </summary>
/// <param name="jid"></param>
public void Unsuscribed(XmppJid jid)
{
Presence presence = new Presence
{
Type = PresenceType.Unsubscribed,
To = jid
};
this.session.Send(presence);
}
/// <summary>
/// Sets the initial presence against the given user.
/// </summary>
/// <param name="target">JID of the target user.</param>
public void SetInitialPresence(XmppJid target)
{
Presence presence = new Presence();
if (target != null && target.ToString().Length > 0)
{
presence.To = target.ToString();
}
this.session.Send(presence);
}
/// <summary>
/// Sets the presence state with the given state, status message and priority
/// </summary>
/// <param name="showAs"></param>
/// <param name="statusMessage"></param>
/// <param name="priority"></param>
public void SetPresence(XmppPresenceState showAs, string statusMessage, int priority)
{
Presence presence = new Presence();
Status status = new Status();
status.Value = statusMessage;
presence.Id = XmppIdentifierGenerator.Generate();
presence.Items.Add((ShowType)showAs);
presence.Items.Add(status);
this.session.Send(presence);
}
internal void AddDefaultResource()
{
Presence defaultPresence = new Presence();
XmppContactResource contactResource = new XmppContactResource(this.session, this, this.ContactId);
XmppJid resourceJid = new XmppJid(this.contactId.UserName, this.ContactId.DomainName, Guid.NewGuid().ToString());
// Add a default resource
defaultPresence.TypeSpecified = true;
defaultPresence.From = resourceJid;
defaultPresence.Type = PresenceType.Unavailable;
defaultPresence.Items.Add(XmppContactResource.DefaultPresencePriorityValue);
contactResource.Update(defaultPresence);
this.resources.Add(contactResource);
}
internal void UpdatePresence(XmppJid jid, Presence presence)
{
lock (this.syncObject)
{
XmppContactResource resource = this.resources
.Where(contactResource => contactResource.ResourceId.Equals(jid))
.SingleOrDefault();
if (resource == null)
{
resource = new XmppContactResource(this.session, this, jid);
this.resources.Add(resource);
}
resource.Update(presence);
// Remove the resource information if the contact has gone offline
if (!resource.IsDefaultResource &&
resource.Presence.PresenceStatus == XmppPresenceState.Offline)
{
this.resources.Remove(resource);
}
this.NotifyPropertyChanged(() => Presence);
this.NotifyPropertyChanged(() => Resource);
}
}
internal void Update(Presence presence)
{
this.Presence.Update(presence);
if (this.IsDefaultResource && this.Presence.PresenceStatus == XmppPresenceState.Offline)
{
string cachedHash = this.session.AvatarStorage.GetAvatarHash(this.ResourceId.BareIdentifier);
// Grab stored images for offline users
if (!String.IsNullOrEmpty(cachedHash))
{
// Dipose Avatar Streams
this.DisposeAvatarStream();
// Update the avatar hash and file Paths
this.avatarHash = cachedHash;
this.Avatar = this.session.AvatarStorage.ReadAvatar(this.ResourceId.BareIdentifier);
}
}
foreach (object item in presence.Items)
{
if (item is Error)
{
#warning TODO: Handle the error
}
else if (item is VCardAvatar)
{
VCardAvatar vcard = (VCardAvatar)item;
if (vcard.Photo != null && vcard.Photo.Length > 0)
{
if (!String.IsNullOrEmpty(vcard.Photo))
{
// Check if we have the avatar cached
string cachedHash = this.session.AvatarStorage.GetAvatarHash(this.ResourceId.BareIdentifier);
if (cachedHash == vcard.Photo)
{
// Dispose Avatar Streams
this.DisposeAvatarStream();
// Update the avatar hash and file Paths
this.avatarHash = vcard.Photo;
this.Avatar = this.session.AvatarStorage.ReadAvatar(this.ResourceId.BareIdentifier);
}
else
{
// Update the avatar hash
this.avatarHash = vcard.Photo;
// Avatar is not cached request the new avatar information
this.RequestAvatar();
}
}
}
}
else if (item is EntityCapabilities)
{
EntityCapabilities caps = (EntityCapabilities)item;
// Request capabilities only if they aren't cached yet for this resource
// or the verfiication string differs from the one that is cached
if (this.Capabilities == null || this.Capabilities.VerificationString != caps.VerificationString)
{
this.Capabilities.Node = caps.Node;
this.Capabilities.HashAlgorithmName = caps.HashAlgorithmName;
this.Capabilities.VerificationString = caps.VerificationString;
this.Capabilities.Identities.Clear();
this.Capabilities.Features.Clear();
// Check if we have the capabilities in the storage
if (this.session.ClientCapabilitiesStorage.Exists(caps.Node, caps.VerificationString))
{
this.Capabilities = this.session.ClientCapabilitiesStorage.Get(caps.Node, caps.VerificationString);
}
else if ((this.contact.Subscription == XmppContactSubscriptionType.Both ||
this.contact.Subscription == XmppContactSubscriptionType.To) &&
(!presence.TypeSpecified || presence.Type == PresenceType.Unavailable))
{
// Discover Entity Capabilities Extension Features
this.DiscoverCapabilities();
}
this.NotifyPropertyChanged(() => Capabilities);
}
}
}
}
public void AdvertiseCapabilities()
{
if (!String.IsNullOrEmpty(this.ServiceDiscoveryName) &&
!String.IsNullOrEmpty(this.Node) &&
this.Identities.Count > 0)
{
Presence presence = new Presence
{
Id = XmppIdentifierGenerator.Generate()
};
if (this.session.Capabilities != null)
{
presence.Items.Add(this.GetEntityCapabilities());
}
this.session.Send(presence);
}
}
private void OnPresenceMessageReceived(Presence message)
{
//<presence to='[email protected]/Home' from='[email protected]/carlosga'>
// <x xmlns='http://jabber.org/protocol/muc#user'>
// <item jid='[email protected]/Home' affiliation='owner' role='moderator'/>
// <status code='110'/>
// </x>
//</presence>
if (message.Items != null && message.Items.Count > 0)
{
foreach (object item in message.Items)
{
if (item is MucUser)
{
this.ProcessMucUser(item as MucUser);
}
}
}
this.createChatRoomEvent.Set();
this.seekEnterChatRoomEvent.Set();
}
/// <summary>
/// Enters to the chat room
/// </summary>
/// <returns></returns>
public XmppChatRoom Enter()
{
Presence presence = new Presence
{
From = this.Session.UserId,
To = this.Identifier
};
presence.Items.Add(new Muc());
this.Session.Send(presence);
this.createChatRoomEvent.WaitOne();
return this;
}
/// <summary>
/// Closes the chatroom
/// </summary>
public void Close()
{
Presence presence = new Presence
{
Id = XmppIdentifierGenerator.Generate(),
To = this.Identifier,
Type = PresenceType.Unavailable
};
this.PendingMessages.Add(presence.Id);
this.Session.Send(presence);
}
