109 lines
2.7 KiB
Dart

import 'dart:async';
import 'package:flutter/material.dart';
class GuidedStepTimer extends StatefulWidget {
final int seconds;
final String expiredMessage;
final VoidCallback? onExpired;
/// true = barre de progression + texte MM:SS (mode escape)
/// false = texte MM:SS seul (mode peek carte)
final bool showAsBar;
const GuidedStepTimer({
Key? key,
required this.seconds,
required this.expiredMessage,
this.onExpired,
this.showAsBar = false,
}) : super(key: key);
@override
State<GuidedStepTimer> createState() => _GuidedStepTimerState();
}
class _GuidedStepTimerState extends State<GuidedStepTimer> {
late int _remaining;
Timer? _timer;
bool _expired = false;
@override
void initState() {
super.initState();
_remaining = widget.seconds;
_timer = Timer.periodic(const Duration(seconds: 1), _tick);
}
void _tick(Timer t) {
if (!mounted) return;
if (_remaining <= 0) {
_timer?.cancel();
setState(() => _expired = true);
widget.onExpired?.call();
return;
}
setState(() => _remaining--);
}
@override
void dispose() {
_timer?.cancel();
super.dispose();
}
@override
Widget build(BuildContext context) {
if (_expired) {
return Text(
widget.expiredMessage,
style: const TextStyle(color: Colors.red, fontWeight: FontWeight.bold),
);
}
final timeText = _formatTime(_remaining);
if (widget.showAsBar) {
final progress = widget.seconds > 0 ? _remaining / widget.seconds : 0.0;
final color = progress > 0.5
? Colors.green
: progress > 0.25
? Colors.orange
: Colors.red;
return Column(
crossAxisAlignment: CrossAxisAlignment.stretch,
children: [
Row(
children: [
const Icon(Icons.timer, size: 18),
const SizedBox(width: 6),
Text(timeText, style: const TextStyle(fontSize: 16, fontWeight: FontWeight.w500)),
],
),
const SizedBox(height: 4),
LinearProgressIndicator(
value: progress,
backgroundColor: Colors.grey[300],
valueColor: AlwaysStoppedAnimation<Color>(color),
minHeight: 8,
borderRadius: BorderRadius.circular(4),
),
],
);
}
return Row(
mainAxisSize: MainAxisSize.min,
children: [
const Icon(Icons.timer, size: 14),
const SizedBox(width: 4),
Text(timeText, style: const TextStyle(fontSize: 13)),
],
);
}
String _formatTime(int s) {
final m = s ~/ 60;
final sec = s % 60;
return '${m.toString().padLeft(2, '0')}:${sec.toString().padLeft(2, '0')}';
}
}