void Connect()
{
_connectionDisposer = _connection.ConnectionRequest(_userContext).Subscribe(
// 'async' here is fire-and-forget!!! It is OK for exceptions and error messages only.
onNext: async peerResponse =>
{
switch (peerResponse.Type)
{
case PeerResponseType.PeerJoined:
if (peerResponse.MediaStream != null)
{
_runOnUiThread.Invoke((Action)(() =>
{
_mediaStreamManager.Add((MediaStreamParameters) new MediaStreamParameters
{
Stream = peerResponse.MediaStream,
Label = peerResponse.Name,
Hangup = false,
VideoMuted = false,
AudioMuted = false,
CameraType = CameraType.Default,
ShowControls = false
});
}));
_reRender?.Invoke();
}
break;
case PeerResponseType.PeerLeft:
_runOnUiThread.Invoke(() =>
{
_mediaStreamManager.Remove(peerResponse.Name);
});
_reRender?.Invoke();
_logger.LogInformation($"************* APP PeerLeft");
break;
case PeerResponseType.PeerError:
_runOnUiThread.Invoke(() =>
{
_mediaStreamManager.Remove(peerResponse.Name);
});
_reRender?.Invoke();
_logger.LogInformation($"************* APP PeerError");
_ = await _modalPopup.GenericPopupAsync(new GenericPopupIn
{
Title = "Error",
Text = $"Peer {peerResponse.Name} indicated an error:" +
Environment.NewLine +
peerResponse.ErrorMessage,
Ok = "Ok",
});
break;
case PeerResponseType.PeerMedia:
_logger.LogInformation($"TODO: ************* APP PeerMedia");
break;
}
},
onError: async exception =>
{
_logger.LogInformation($"************* APP OnError:{exception.Message}");
if (exception.Message.Contains("has already joined"))
{
var popupOut = await _modalPopup.GenericPopupAsync(new GenericPopupIn
{
Title = "Error",
Text = $"User name {_userContext.Name} " +
$"is in use. Please enter another name or 'Cancel' to cancel the call.",
EntryPlaceholder = "New user name",
Ok = "OK",
Cancel = "Cancel"
});
await OnPageDisappearingAsync();
if (popupOut.Ok)
{
_userContext.Name = popupOut.Entry;
_connectionParameters.Name = popupOut.Entry;
await OnPageAppearingAsync(_connectionParameters, _reRender);
}
else
{
await _navigation.NavigateToPageAsync("///", "ConnectionParametersPage");
}
}
else
{
var popupOut = await _modalPopup.GenericPopupAsync(new GenericPopupIn
{
Title = "Error",
Text = $"An error occured during the connection. Here is the reported error message:" +
Environment.NewLine +
$"{exception.Message}",
Ok = "Try again",
Cancel = "Cancel"
});
Disconnect();
if (popupOut.Ok)
{
Connect();
}
else
{
await _navigation.NavigateToPageAsync("///", "ConnectionParametersPage");
}
}
},
onCompleted: () =>
{
_logger.LogInformation($"************* APP OnCompleted");
});
}
