45 lines
924 B
Dart
45 lines
924 B
Dart
import 'dart:async';
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import "package:flutter/foundation.dart";
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typedef FakeProgressCallback = void Function(int count);
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class FakePeriodicProgress {
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final FakeProgressCallback? callback;
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final Duration duration;
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Timer? _timer;
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bool _shouldRun = true;
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int runCount = 0;
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FakePeriodicProgress({
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required this.callback,
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required this.duration,
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});
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void start() {
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assert(_shouldRun, "Cannot start a stopped FakePeriodicProgress");
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Future.delayed(duration, _invokePeriodically);
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}
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void stop() {
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if (_shouldRun) {
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_shouldRun = false;
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_timer?.cancel();
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}
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}
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void _invokePeriodically() {
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if (_shouldRun) {
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try {
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runCount++;
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callback?.call(runCount);
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} catch (e) {
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debugPrint("Error in FakePeriodicProgress callback: $e");
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stop();
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return;
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}
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_timer = Timer(duration, _invokePeriodically);
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}
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}
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}
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