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MrbWebLibre/app/lib/features/user/domain/presentation/widgets/auth_gate.dart
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Dart

/*
* Copyright (c) 2024-2026 Fabian Freund.
*
* This file is part of WebLibre
* (see https://weblibre.eu).
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
import 'dart:async';
import 'package:flutter/material.dart';
import 'package:flutter_hooks/flutter_hooks.dart';
import 'package:flutter_material_design_icons/flutter_material_design_icons.dart';
import 'package:hooks_riverpod/hooks_riverpod.dart';
import 'package:weblibre/features/user/domain/providers/profile_auth.dart';
import 'package:weblibre/presentation/hooks/on_initialization.dart';
class LockScreen extends HookConsumerWidget {
const LockScreen({super.key});
@override
Widget build(BuildContext context, WidgetRef ref) {
final isAuthenticating = useState(false);
final didAutoAuthenticate = useRef(false);
Future<void> authenticate() async {
if (isAuthenticating.value) return;
isAuthenticating.value = true;
try {
await ref.read(profileAuthStateProvider.notifier).authenticate();
} finally {
if (context.mounted) {
isAuthenticating.value = false;
}
}
}
useOnInitialization(() {
WidgetsBinding.instance.addPostFrameCallback((_) {
if (!didAutoAuthenticate.value) {
didAutoAuthenticate.value = true;
unawaited(authenticate());
}
});
return null;
});
return Scaffold(
body: SafeArea(
child: Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
const Icon(MdiIcons.lock, size: 64),
const SizedBox(height: 16),
const Text('Profile is locked'),
const SizedBox(height: 16),
FilledButton.icon(
style: FilledButton.styleFrom(minimumSize: const Size(160, 40)),
icon: const Icon(MdiIcons.fingerprint),
label: Text(isAuthenticating.value ? 'Unlocking...' : 'Unlock'),
onPressed: isAuthenticating.value ? null : authenticate,
),
],
),
),
),
);
}
}