Add "controllers" for scanning

1 files changed, 17 insertions, 0 deletions

diff --git a/lib/control/scanner_controller_impl.dart b/lib/control/scanner_controller_impl.dart
new file mode 100644
index 0000000..e39aa6b
--- /dev/null
+++ b/lib/control/scanner_controller_impl.dart
@@ -0,0 +1,17 @@
+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);
+  }
+}