public ShowQrCameraDialogViewModel(Network network)
{
_qrReader = new(network);
SetupCancel(enableCancel: true, enableCancelOnEscape: true, enableCancelOnPressed: true);
Observable.FromEventPattern <WriteableBitmap>(_qrReader, nameof(_qrReader.NewImageArrived))
.ObserveOn(RxApp.MainThreadScheduler)
.Subscribe(args =>
{
if (QrImage == null)
{
QrImage = args.EventArgs;
}
else
{
ShowQrCameraDialogView.QrImage?.InvalidateVisual();
}
});
Observable.FromEventPattern <string>(_qrReader, nameof(_qrReader.CorrectAddressFound))
.ObserveOn(RxApp.MainThreadScheduler)
.Subscribe(args => Close(DialogResultKind.Normal, args.EventArgs));
Observable.FromEventPattern <string>(_qrReader, nameof(_qrReader.InvalidAddressFound))
.ObserveOn(RxApp.MainThreadScheduler)
.Subscribe(args => Message = $"Invalid QR code.");
Observable.FromEventPattern <Exception>(_qrReader, nameof(_qrReader.ErrorOccured))
.ObserveOn(RxApp.MainThreadScheduler)
.Subscribe(async args =>
{
Close();
await ShowErrorAsync(
Title,
args.EventArgs.Message,
"Something went wrong");
});
}
public ShowQrCameraDialogViewModel(Network network)
{
_qrReader = new(network);
SetupCancel(enableCancel: true, enableCancelOnEscape: true, enableCancelOnPressed: true);
}