public async Task <bool> TryInitializeAsync(IQiConnectionServiceProxy conn)
{
if (IsStarted || IsDisposed)
{
return(false);
}
if (IsInitialized)
{
return(true);
}
var session = conn.CurrentSession;
if (session?.IsConnected != true)
{
return(false);
}
return(await Task.Run(() =>
{
//仮想ロボットとかだとALAudioDeviceが無いことに注意
var audioDevice = session.GetService("ALAudioDevice");
if (audioDevice.Name != ALAudioDeviceServiceName)
{
return false;
}
_session = session;
_audioDevice = audioDevice;
IsInitialized = true;
return true;
}));
}
private void OnCurrentSessionChanged(object sender, PropertyChangedEventArgs e)
{
if (!(sender is IQiConnectionServiceProxy))
{
return;
}
if (e.PropertyName != nameof(_connectionService.CurrentSession))
{
return;
}
if (_currentSession == _connectionService.CurrentSession)
{
return;
}
if (_currentSession != null)
{
UnsubscribeDialogIO(_currentSession);
}
_currentSession = _connectionService.CurrentSession;
if (_currentSession != null)
{
SubscribeDialogIO(_currentSession);
}
}
private void UnsubscribeDialogIO(IQiSessionProxy session)
{
if (_humanSignals.ContainsKey(session.Url))
{
_humanSignals[session.Url].DisconnectSignal(OnHumanSpeechDetected);
_humanSignals.Remove(session.Url);
}
if (_robotSignals.ContainsKey(session.Url))
{
_robotSignals[session.Url].DisconnectSignal(OnRobotSpeechDetected);
_robotSignals.Remove(session.Url);
}
}
private void SubscribeDialogIO(IQiSessionProxy session)
{
var mem = session.GetService("ALMemory");
//人の会話検出
var signalHuman = mem.CallObject("subscriber", new QiString("Dialog/LastInput"));
signalHuman.ConnectSignal("signal", OnHumanSpeechDetected);
_humanSignals[session.Url] = signalHuman;
//ロボット側
var signalRobot = mem.CallObject("subscriber", new QiString("ALTextToSpeech/CurrentSentence"));
signalRobot.ConnectSignal("signal", OnRobotSpeechDetected);
_robotSignals[session.Url] = signalRobot;
}
internal QiSessionChangedEventArgs(IQiSessionProxy currentSession, IQiSessionProxy previousSession)
{
Current = currentSession;
Previous = previousSession;
}
internal QiSessionEventArgs(IQiSessionProxy session)
{
Session = session;
}
