IActivityHandler StartActivity(Guid activityId, IDictionary <string, object> args, string title = null)
{
IActivityExecutor executor = chatSession.CreateActivity(activityId);
IActivity activity = context.PluginLoader.GetActivity(activityId);
IActivityHandler handler = activity.Coalesce(a => a.CreateInvite(executor, args));
if (handler == null)
{
return(null);
}
if (handler is IVoiceChatHandler)
{
var voiceHandler = (IVoiceChatHandler)handler;
voiceHandler.Dispatcher = Dispatcher;
chatTextBox.AddVoiceChatSentRequest(context, voiceHandler, PrimaryBuddy.DisplayName);
}
else if (handler is IFileTransferHandler)
{
var fileHandler = (IFileTransferHandler)handler;
fileTransfers.Add(fileHandler);
chatTextBox.AddFileSentRequest(fileHandler);
}
else
{
chatTextBox.AddActivitySentRequest(PrimaryBuddy.DisplayName, title, handler);
}
handler.Start();
chatState.ChatStarted = true;
return(handler);
}
void OnActivityInvite(ActivityInvitationReceivedEventArgs e)
{
IActivity activity = context.PluginLoader.GetActivity(e.ActivityId);
IActivityHandler handler = activity.Coalesce(a => a.FromInvite(e.Executor, e.Metadata));
if (e.ActivityId == SquiggleActivities.VoiceChat)
{
OnVoiceInvite(handler as IVoiceChatHandler);
}
else if (e.ActivityId == SquiggleActivities.FileTransfer)
{
OnTransferInvite(handler as IFileTransferHandler);
}
else
{
OnUnknownActivityInvite(activity.Coalesce(a => a.Title), handler);
}
}