/// <summary>
/// Gets the LoginSession object for the provided accountId, creating one if necessary
/// </summary>
/// <param name="accountId">the AccountId</param>
/// <returns>the login session for that accountId</returns>
/// <exception cref="ArgumentNullException">thrown when accountId is null or empty</exception>
/// <remarks>If a new LoginSession is created, LoginSessions.AfterKeyAdded will be raised.</remarks>
public ILoginSession GetLoginSession(AccountId accountId)
{
if (AccountId.IsNullOrEmpty(accountId))
{
throw new ArgumentNullException(nameof(accountId));
}
CheckInitialized();
if (_loginSessions.ContainsKey(accountId))
{
return(_loginSessions[accountId]);
}
var loginSession = new LoginSession(this, accountId);
_loginSessions[accountId] = loginSession;
loginSession.PropertyChanged += delegate(object sender, PropertyChangedEventArgs args)
{
if (args.PropertyName != nameof(loginSession.State))
{
return;
}
if (loginSession.State == LoginState.LoggedOut)
{
_loginSessions.Remove(accountId);
}
};
return(loginSession);
}
public IAsyncResult BeginRemovePresenceSubscription(AccountId userId, AsyncCallback callback)
{
AssertLoggedIn();
AsyncNoResult ar = new AsyncNoResult(callback);
if (!_presenceSubscriptions.ContainsKey((userId)))
{
ar.SetCompletedSynchronously();
return(ar);
}
var request = new vx_req_account_buddy_delete_t();
request.account_handle = _accountHandle;
request.buddy_uri = userId.ToString();
VxClient.Instance.BeginIssueRequest(request, result =>
{
try
{
VxClient.Instance.EndIssueRequest(result);
_presenceSubscriptions.Remove(userId);
ar.SetComplete();
}
catch (Exception e)
{
VivoxDebug.Instance.VxExceptionMessage($"{request.GetType().Name} failed: {e}");
ar.SetComplete(e);
if (VivoxDebug.Instance.throwInternalExcepetions)
{
throw;
}
return;
}
});
return(ar);
}
public void UpdateLocation(string uriWithTag, PresenceStatus status, string message)
{
PresenceLocation item;
if (!_locations.ContainsKey(uriWithTag))
{
if (status != PresenceStatus.Unavailable)
{
item = new PresenceLocation(uriWithTag)
{
CurrentPresence = new Presence(status, message),
Subscription = this
};
_locations[item.Key] = item;
}
}
else
{
item = (PresenceLocation)_locations[uriWithTag];
item.CurrentPresence = new Presence(status, message);
if (status == PresenceStatus.Unavailable)
{
_locations.Remove(uriWithTag);
}
}
}
public void DeleteChannelSession(ChannelId channelId)
{
if (_channelSessions.ContainsKey(channelId))
{
(_channelSessions[channelId] as ChannelSession)?.Delete();
_channelSessions.Remove(channelId);
}
}
private void HandleParticipantRemoved(vx_evt_base_t eventMessage)
{
vx_evt_participant_removed_t evt = eventMessage;
Debug.Assert(evt != null);
if (evt.session_handle != _sessionHandle)
{
return;
}
_participants.Remove(evt.participant_uri);
}