/// <summary>
/// Handle stop hosting message received from host to client to stop controlling the slideshow
/// </summary>
/// <returns>success</returns>
private bool StopHostingSessionHandle()
{
bool success = false;
try
{
if (_appServiceConnection != null)
{
_appServiceConnection.ServiceClosed -= _appServiceConnection_ServiceClosed;
_appServiceConnection = null;
if (Status == ConnectedServiceStatus.HostingConnected)
{
Status = ConnectedServiceStatus.HostingNotConnected;
}
}
if (_remoteSystem != null)
{
_remoteSystem.MessageReceived -= _remoteSystem_MessageReceived;
_remoteSystem = null;
Status = ConnectedServiceStatus.IdleForeground;
}
HostingConnectionStoped?.Invoke(this, null);
success = true;
}
catch (Exception ex)
{
success = false;
}
return(success);
}
public void Dispose()
{
if (_appServiceConnection != null)
{
_appServiceConnection.Dispose();
_appServiceConnection = null;
}
if (_remoteSystem != null)
{
_remoteSystem.Dispose();
_remoteSystem = null;
}
Rome.Dispose();
}
/// <summary>
/// Initiates the second screen experience on the client if the system is showing a slideshow
/// </summary>
/// <param name="system"></param>
/// <returns>Message from system with what adventure and current slide number</returns>
public async Task <ValueSet> ConnectToSystem(AdventureRemoteSystem system)
{
ValueSet message = new ValueSet();
message.Add("query", ConnectedServiceQuery.StartHostingSession.ToString());
var response = await system.SendMessage(message);
if (response != null && response.ContainsKey("success") && (bool)response["success"])
{
var status = (ConnectedServiceStatus)Enum.Parse(typeof(ConnectedServiceStatus), (String)response["status"]);
if (status != ConnectedServiceStatus.HostingNotConnected && status != ConnectedServiceStatus.HostingConnected)
{
return(null);
}
message.Clear();
if (_remoteSystem != system)
{
if (_remoteSystem != null)
{
_remoteSystem.MessageReceived -= _remoteSystem_MessageReceived;
_remoteSystem = null;
}
_remoteSystem = system;
_remoteSystem.MessageReceived += _remoteSystem_MessageReceived;
}
response = await SendMessageFromClientAsync(message, SlideshowMessageTypeEnum.Status);
if (response == null)
{
_remoteSystem = null;
_remoteSystem.MessageReceived -= _remoteSystem_MessageReceived;
return(null);
}
return(response);
}
return(null);
}
/// <summary>
/// Start the slideshow on the remote system
/// </summary>
/// <param name="system"></param>
/// <param name="deepLink"></param>
/// <returns></returns>
public async Task <bool> ConnectToSystem(AdventureRemoteSystem system, string deepLink = "")
{
ValueSet message = new ValueSet();
message.Add("query", ConnectedServiceQuery.StartHostingSession.ToString());
var response = await system.SendMessage(message);
if (response != null && response.ContainsKey("success") && (bool)response["success"])
{
var status = (ConnectedServiceStatus)Enum.Parse(typeof(ConnectedServiceStatus), (String)response["status"]);
if (status != ConnectedServiceStatus.HostingNotConnected && status != ConnectedServiceStatus.HostingConnected)
{
var launchUriStatus =
await RemoteLauncher.LaunchUriAsync(
new RemoteSystemConnectionRequest(system.RemoteSystem),
new Uri("adventure:" + deepLink)).AsTask().ConfigureAwait(false);
if (launchUriStatus != RemoteLaunchUriStatus.Success)
{
return(false);
}
}
if (_remoteSystem != system)
{
if (_remoteSystem != null)
{
_remoteSystem.MessageReceived -= _remoteSystem_MessageReceived;
_remoteSystem = null;
}
_remoteSystem = system;
_remoteSystem.MessageReceived += _remoteSystem_MessageReceived;
}
return(true);
}
return(false);
}
