/// <summary>
/// Initializes a new instance of the HostSessionEventArgs class.
/// </summary>
/// <param name="session">See <see cref="Lebowski.Net.HostSessionEventArgs.Session">Session</see></param>
/// <param name="connection">See <see cref="Lebowski.Net.HostSessionEventArgs.Connection">Connection</see></param>
public HostSessionEventArgs(ISynchronizationSession session, IConnection connection)
{
Session = session;
Connection = connection;
}
/// <inheritdoc/>
/// <remarks>
/// Calling this will display a form to the user to enter sharing
/// settings.
/// </remarks>
public void Share(ISynchronizationSession session)
{
TcpShareForm form = new TcpShareForm();
form.Submit += delegate
{
form.Enabled = false;
session.State = SessionStates.AwaitingConnection;
form.Invoke((Action) delegate
{
form.Dispose();
});
TcpServerConnection connection = new TcpServerConnection(form.Port);
connection.ClientConnected += delegate
{
OnHostSession(new HostSessionEventArgs(session, connection));
};
};
form.ShowDialog();
}
/// <inheritdoc/>
public void Share(ISynchronizationSession session)
{
if(!isInitialized)
{
throw new ConnectionFailedException("The Skype API is not yet initialized or Skype rejected our API requests.");
}
UpdateFriends();
SkypeShareForm form = new SkypeShareForm(this);
Exception lastException = null;
form.Submit += delegate
{
// TODO: calls to Share should be made asynchronously, so the UI doesn't block
/* As skype does not report when a session is closed,
we might at this point think that we have already established
a connection to a user, but it will fail at the Send(...) call.
Therefore, we have to allow for 2 connection attempts before giving up */
bool succeeded = false;
for(int attempt = 1; attempt <= 2 && !succeeded; ++attempt)
{
try
{
int maxWaitTime = 5000;
// Create channel for this session
SkypeConnection connection = Connect(form.SelectedUser, maxWaitTime);
if(connection == null)
{
throw new ConnectionFailedException(string.Format("Could not connect to Skype user {0}", form.SelectedUser));
}
// Send out the invite
SharingInvitationMessage invitationMessage = new SharingInvitationMessage(++numInvitations, session.FileName, form.SelectedUser, connection.IncomingChannel);
invitations[invitationMessage.InvitationId] = invitationMessage;
invitationChannels[invitationMessage.InvitationId] = connection;
invitationSessions[invitationMessage.InvitationId] = session;
Send(form.SelectedUser, ApplicationConnectionId, invitationMessage);
succeeded = true;
}
catch(Exception e)
{
lastException = e;
}
}
if(!succeeded)
{
throw lastException;
}
session.State = SessionStates.AwaitingConnection;
form.Close();
};
form.ShowDialog();
}