Refactoring
This commit is contained in:
DahoudG
@@ -0,0 +1,366 @@
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import 'package:flutter/material.dart';
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import 'package:flutter/services.dart';
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import '../../../../core/performance/performance_optimizer.dart';
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import '../../../../core/performance/smart_cache_service.dart';
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import '../../../../shared/widgets/performance/optimized_list_view.dart';
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import '../../../../shared/theme/app_theme.dart';
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/// Page de démonstration des optimisations de performance
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class PerformanceDemoPage extends StatefulWidget {
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const PerformanceDemoPage({super.key});
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@override
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State<PerformanceDemoPage> createState() => _PerformanceDemoPageState();
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}
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class _PerformanceDemoPageState extends State<PerformanceDemoPage>
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with TickerProviderStateMixin {
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final _optimizer = PerformanceOptimizer();
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final _cacheService = SmartCacheService();
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// Données de test pour les démonstrations
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List<DemoItem> _items = [];
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bool _isLoading = false;
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bool _hasMore = true;
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// Contrôleurs d'animation
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late AnimationController _fadeController;
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late AnimationController _slideController;
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@override
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void initState() {
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super.initState();
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// Initialiser le service de cache
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_cacheService.initialize();
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// Initialiser les contrôleurs d'animation optimisés
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_fadeController = PerformanceOptimizer.createOptimizedController(
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duration: const Duration(milliseconds: 500),
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vsync: this,
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debugLabel: 'FadeController',
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);
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_slideController = PerformanceOptimizer.createOptimizedController(
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duration: const Duration(milliseconds: 300),
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vsync: this,
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debugLabel: 'SlideController',
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);
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// Démarrer le monitoring des performances
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_optimizer.startPerformanceMonitoring();
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// Générer des données initiales
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_generateInitialData();
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// Démarrer les animations
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_fadeController.forward();
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_slideController.forward();
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}
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@override
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void dispose() {
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PerformanceOptimizer.disposeControllers([_fadeController, _slideController]);
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super.dispose();
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}
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void _generateInitialData() {
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_items = List.generate(20, (index) => DemoItem(
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id: index,
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title: 'Élément $index',
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subtitle: 'Description de l\'élément $index',
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value: (index * 10).toDouble(),
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));
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}
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Future<void> _loadMoreItems() async {
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if (_isLoading || !_hasMore) return;
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setState(() {
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_isLoading = true;
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});
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_optimizer.startTimer('load_more_items');
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// Simuler un délai de chargement
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await Future.delayed(const Duration(milliseconds: 800));
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final newItems = List.generate(10, (index) => DemoItem(
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id: _items.length + index,
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title: 'Élément ${_items.length + index}',
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subtitle: 'Description de l\'élément ${_items.length + index}',
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value: ((_items.length + index) * 10).toDouble(),
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));
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setState(() {
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_items.addAll(newItems);
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_isLoading = false;
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_hasMore = _items.length < 100; // Limiter à 100 éléments
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});
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_optimizer.stopTimer('load_more_items');
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}
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Future<void> _refreshItems() async {
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_optimizer.startTimer('refresh_items');
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// Simuler un délai de rafraîchissement
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await Future.delayed(const Duration(milliseconds: 500));
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setState(() {
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_generateInitialData();
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_hasMore = true;
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});
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_optimizer.stopTimer('refresh_items');
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}
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void _testCachePerformance() async {
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_optimizer.startTimer('cache_test');
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// Test d'écriture en cache
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for (int i = 0; i < 100; i++) {
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await _cacheService.put('test_key_$i', 'test_value_$i');
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}
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// Test de lecture en cache
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for (int i = 0; i < 100; i++) {
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await _cacheService.get<String>('test_key_$i');
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}
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_optimizer.stopTimer('cache_test');
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final cacheInfo = await _cacheService.getCacheInfo();
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if (mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: Text('Test de cache terminé: $cacheInfo'),
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backgroundColor: AppTheme.successColor,
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),
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);
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}
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}
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void _showPerformanceStats() {
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final stats = _optimizer.getPerformanceStats();
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final cacheStats = _cacheService.getStats();
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showDialog(
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context: context,
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builder: (context) => AlertDialog(
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title: const Text('Statistiques de Performance'),
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content: SingleChildScrollView(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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mainAxisSize: MainAxisSize.min,
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children: [
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const Text('Optimiseur:', style: TextStyle(fontWeight: FontWeight.bold)),
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...stats.entries.map((e) => Text('${e.key}: ${e.value}')),
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const SizedBox(height: 16),
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const Text('Cache:', style: TextStyle(fontWeight: FontWeight.bold)),
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Text(cacheStats.toString()),
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],
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),
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),
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actions: [
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TextButton(
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onPressed: () {
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_optimizer.resetStats();
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Navigator.of(context).pop();
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},
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child: const Text('Réinitialiser'),
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),
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TextButton(
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onPressed: () => Navigator.of(context).pop(),
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child: const Text('Fermer'),
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),
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],
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),
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);
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}
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void _clearAllCaches() {
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_optimizer.clearAllCaches();
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_cacheService.clear();
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(
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content: Text('Tous les caches ont été vidés'),
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backgroundColor: AppTheme.warningColor,
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),
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);
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}
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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appBar: AppBar(
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title: const Text('Démonstration Performance'),
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backgroundColor: AppTheme.primaryColor,
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foregroundColor: Colors.white,
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actions: [
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IconButton(
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icon: const Icon(Icons.analytics),
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onPressed: _showPerformanceStats,
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tooltip: 'Statistiques',
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),
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IconButton(
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icon: const Icon(Icons.clear_all),
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onPressed: _clearAllCaches,
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tooltip: 'Vider les caches',
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),
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],
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),
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body: FadeTransition(
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opacity: _fadeController,
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child: Column(
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children: [
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// Section des boutons de test
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Container(
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padding: const EdgeInsets.all(16),
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child: Wrap(
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spacing: 8,
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runSpacing: 8,
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children: [
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ElevatedButton.icon(
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onPressed: _testCachePerformance,
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icon: const Icon(Icons.speed),
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label: const Text('Test Cache'),
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style: ElevatedButton.styleFrom(
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backgroundColor: AppTheme.primaryColor,
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foregroundColor: Colors.white,
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),
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),
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ElevatedButton.icon(
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onPressed: () {
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HapticFeedback.lightImpact();
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PerformanceOptimizer.forceGarbageCollection();
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},
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icon: const Icon(Icons.cleaning_services),
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label: const Text('Force GC'),
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style: ElevatedButton.styleFrom(
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backgroundColor: AppTheme.warningColor,
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foregroundColor: Colors.white,
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),
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),
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ElevatedButton.icon(
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onPressed: _showPerformanceStats,
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icon: const Icon(Icons.bar_chart),
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label: const Text('Stats'),
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style: ElevatedButton.styleFrom(
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backgroundColor: AppTheme.infoColor,
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foregroundColor: Colors.white,
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),
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),
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],
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),
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),
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// Liste optimisée
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Expanded(
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child: SlideTransition(
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position: Tween<Offset>(
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begin: const Offset(0, 0.1),
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end: Offset.zero,
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).animate(CurvedAnimation(
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parent: _slideController,
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curve: Curves.easeOutCubic,
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)),
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child: OptimizedListView<DemoItem>(
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items: _items,
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itemBuilder: (context, item, index) => _buildDemoItem(item, index),
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onLoadMore: _loadMoreItems,
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onRefresh: _refreshItems,
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hasMore: _hasMore,
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isLoading: _isLoading,
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loadMoreThreshold: 5,
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itemExtent: 80,
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enableAnimations: true,
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enableRecycling: true,
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maxCachedWidgets: 30,
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emptyWidget: const Center(
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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Icon(Icons.speed, size: 64, color: Colors.grey),
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SizedBox(height: 16),
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Text('Aucun élément de test', style: TextStyle(color: Colors.grey)),
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],
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),
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),
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),
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),
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),
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],
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),
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),
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);
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}
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Widget _buildDemoItem(DemoItem item, int index) {
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return PerformanceOptimizer.optimizeWidget(
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Card(
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margin: const EdgeInsets.symmetric(horizontal: 16, vertical: 4),
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child: ListTile(
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leading: CircleAvatar(
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backgroundColor: AppTheme.primaryColor,
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child: Text('${item.id}', style: const TextStyle(color: Colors.white)),
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),
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title: Text(item.title),
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subtitle: Text(item.subtitle),
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trailing: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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Text(
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'${item.value.toInt()}',
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style: const TextStyle(
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fontWeight: FontWeight.bold,
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color: AppTheme.primaryColor,
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),
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),
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const Text('pts', style: TextStyle(fontSize: 12)),
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],
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),
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onTap: () {
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HapticFeedback.selectionClick();
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_optimizer.incrementCounter('item_tapped');
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: Text('Élément ${item.title} sélectionné'),
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duration: const Duration(milliseconds: 800),
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),
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);
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},
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),
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),
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key: 'demo_item_${item.id}',
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forceRepaintBoundary: true,
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);
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}
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}
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/// Modèle de données pour la démonstration
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class DemoItem {
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final int id;
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final String title;
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final String subtitle;
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final double value;
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DemoItem({
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required this.id,
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required this.title,
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required this.subtitle,
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required this.value,
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});
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@override
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int get hashCode => id.hashCode;
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@override
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bool operator ==(Object other) {
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return other is DemoItem && other.id == id;
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}
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}
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