DatDang
24 lines
702 B
Dart
24 lines
702 B
Dart
import 'package:core/utils/app_logger.dart';
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typedef BeforeUnloadListener = Future<void> Function();
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class BeforeUnloadManager {
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static final BeforeUnloadManager _instance = BeforeUnloadManager._();
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factory BeforeUnloadManager() => _instance;
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BeforeUnloadManager._();
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final _listeners = <BeforeUnloadListener>[];
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void addListener(BeforeUnloadListener listener) {
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_listeners.add(listener);
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}
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void removeListener(BeforeUnloadListener listener) {
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_listeners.remove(listener);
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}
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Future<void> executeBeforeUnloadListeners() async {
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await Future.wait(_listeners.map((listener) => listener.call()))
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.onError((error, stackTrace) => [logError(error.toString())]);
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}
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} |