import 'dart:async';
import 'package:badge/control/scanner_controller.dart';
import 'package:meta/meta.dart';

/// Helper class which provides the setStatus method.
abstract class ScannerControllerImpl extends ScannerController {
  final StreamController<ScanStatus> _scanStatusController =
      StreamController<ScanStatus>.broadcast();

  @override
  Stream<ScanStatus> get statusStream => _scanStatusController.stream;

  @protected
  void setStatus(ScanStatus newStatus) {
    _scanStatusController.add(newStatus);
  }
}