isConnected method

@override Future<bool> isConnected({ required Printer printer, })

Implementation

@override
Future<bool> isConnected({required Printer printer}) async {
  switch (printer.type) {
    case PrinterType.usb:
      return _usbLookup(printer)?.opened ?? false;
    case PrinterType.bluetooth:
      final device = _bleLookup(printer);
      return device == null ? false : bleConnected(device);
    case PrinterType.network:
      return false;
  }
}