| 1 | | | import 'dart:async'; |
| 2 | | | import 'dart:js_interop'; |
| 3 | | | |
| 4 | | | import 'package:web/web.dart' as web; |
| 5 | | | |
| 6 | | | import '../../channel.dart'; |
| 7 | | | import '../../exceptions/exception_manager.dart'; |
| 8 | | | import '../../local_worker/local_worker.dart'; |
| 9 | | | import '../../worker_service.dart'; |
| 10 | | | import '../xplat/_worker_runner.dart'; |
| 11 | | | import '_worker_runner.dart'; |
| 12 | | | |
| 13 | | | base class _WebLocalWorker<W extends WorkerService> extends LocalWorker<W> { |
| 14 | | 1 | _WebLocalWorker._(super.service, ExceptionManager exceptionManager) { |
| 15 | | 1 | final runner = WorkerRunner.use(this); |
| 16 | | 1 | _port.port1.onmessage = runner.handle.toJS; |
| 17 | | | _channel = Channel.deserialize( |
| 18 | | 1 | _port.port2, runner.internalLogger, exceptionManager); |
| 19 | | | } |
| 20 | | | |
| 21 | | | final _port = web.MessageChannel(); |
| 22 | | 1 | late Channel? _channel; |
| 23 | | | |
| 24 | | | @override |
| 25 | | | Channel? get channel => _channel; |
| 26 | | | |
| 27 | | | @override |
| 28 | | | void stop() { |
| 29 | | 1 | _port.port1.close(); |
| 30 | | | _port.port2.close(); |
| 31 | | 1 | _channel?.close(); |
| 32 | | | _channel = null; |
| 33 | | | } |
| 34 | | | |
| 35 | | | @override |
| 36 | | 1 | ExceptionManager get exceptionManager => |
| 37 | | 1 | (_exceptionManager ??= ExceptionManager()); |
| 38 | | | ExceptionManager? _exceptionManager; |
| 39 | | | |
| 40 | | | @override |
| 41 | | | FutureOr<void> start() {} |
| 42 | | | } |
| 43 | | | |
| 44 | | | /// Creates a [LocalWorker] on a browser platform. |
| 45 | | | LocalWorker<W> createLocalWorker<W extends WorkerService>( |
| 46 | | | W service, ExceptionManager exceptionManager) => |
| 47 | | | _WebLocalWorker._(service, exceptionManager); |