public Session Play(string source, string sessionName, uint start, int end)
{
// if the session is already loaded return it
if (SessionSource == source &&
_currentSessionName == sessionName &&
Start == start &&
End == end)
{
// if playback has paused continue playback
if (!IsPlaying())
{
_player.Play();
}
return(_player.Session);
}
Start = start;
End = end;
// get the query service
var queryService = _queryServices
.DefaultIfEmpty(null)
.FirstOrDefault(qs => qs.GetStorageName() == source);
// load the session. this takes long!
var session = queryService?.GetSession(sessionName, start, end);
// start playback if a session was loaded
if (session != null)
{
SessionSource = source;
_currentSessionName = sessionName;
// stop current playback if needed
if (IsPlaying())
{
_player.Stop();
}
_player.Session = session;
_player.Play();
}
return(_player.Session);
}
private void OnPlayClicked()
{
sessionPlayer.Play();
SetState(UiState.Session);
}