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Prisma/lib/features/viewed/presentation/viewed_screen.dart
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fix(perf): memory optimization, prevent OOM on mobile, and completely disable mouse wheel zoom
2026-09-05 18:09:58 +03:00

600 lines
24 KiB
Dart

import 'dart:ui';
import 'package:cached_network_image/cached_network_image.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:go_router/go_router.dart';
import '../../../app/app.dart';
import '../../../app/app_navigator.dart';
import '../../../app/responsive.dart';
import '../../../backend/backend.dart';
import '../../../shared/widgets/adaptive_scaffold.dart';
import '../../../shared/widgets/confirm_dialog.dart';
import '../../../shared/widgets/error_view.dart';
import '../../../shared/widgets/post_masonry_grid.dart';
import '../../favorites/presentation/favorites_controller.dart';
import 'viewed_controller.dart';
class ViewedScreen extends ConsumerStatefulWidget {
const ViewedScreen({super.key});
@override
ConsumerState<ViewedScreen> createState() => _ViewedScreenState();
}
class _ViewedScreenState extends ConsumerState<ViewedScreen> {
bool _isGridView = false;
@override
Widget build(BuildContext context) {
final state = ref.watch(viewedControllerProvider);
final settings =
ref.watch(appSettingsProvider).value ?? AppSettings.defaults;
final isRu = settings.languageCode == 'ru';
final favoriteKeys = ref.watch(favoriteKeysProvider).value ?? <String>{};
return AdaptiveScaffold(
title: isRu ? 'История' : 'History',
actions: [
IconButton(
tooltip: _isGridView
? (isRu ? 'Список' : 'List view')
: (isRu ? 'Сетка' : 'Grid view'),
icon: Icon(_isGridView
? Icons.view_agenda_rounded
: Icons.grid_view_rounded),
onPressed: () => setState(() => _isGridView = !_isGridView),
),
IconButton(
tooltip: isRu ? 'Очистить историю' : 'Clear history',
onPressed: () async {
final confirm = await showConfirmDialog(
context,
title: isRu ? 'Очистить историю' : 'Clear history',
message: isRu
? 'Вы действительно хотите очистить всю историю просмотров?'
: 'Are you sure you want to clear your entire viewing history?',
);
if (confirm) {
await ref.read(viewedControllerProvider.notifier).clear();
}
},
icon: const Icon(Icons.delete_sweep_rounded),
),
],
body: state.when(
loading: () => const Center(child: CircularProgressIndicator()),
error: (error, _) => ErrorView(message: error.toString()),
data: (groups) {
if (groups.isEmpty) {
return Center(
child: Padding(
padding: const EdgeInsets.all(24),
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
Container(
padding: const EdgeInsets.all(20),
decoration: BoxDecoration(
color: Theme.of(context)
.colorScheme
.primaryContainer
.withValues(alpha: 0.3),
shape: BoxShape.circle,
),
child: Icon(
Icons.history_rounded,
size: 56,
color: Theme.of(context).colorScheme.primary,
),
),
const SizedBox(height: 16),
Text(
isRu ? 'История просмотров пуста' : 'No viewed posts yet',
style: Theme.of(context).textTheme.titleLarge?.copyWith(
fontWeight: FontWeight.bold,
),
),
const SizedBox(height: 8),
Text(
isRu
? 'Посты, которые вы открываете в ленте, будут сохраняться здесь'
: 'Posts you open from the feed will appear here',
textAlign: TextAlign.center,
style: Theme.of(context).textTheme.bodyMedium?.copyWith(
color: Theme.of(context)
.colorScheme
.onSurfaceVariant,
),
),
const SizedBox(height: 24),
FilledButton.icon(
onPressed: () => context.go('/feed'),
icon: const Icon(Icons.explore_rounded),
label: Text(isRu ? 'Перейти в ленту' : 'Explore Feed'),
),
],
),
),
);
}
final allPosts = [
for (final g in groups)
for (final i in g.items) i.post
];
if (_isGridView) {
return RefreshIndicator(
onRefresh: () =>
ref.read(viewedControllerProvider.notifier).refresh(),
child: PostMasonryGrid(
posts: allPosts,
columns: Responsive.columnsFor(
context,
mobileColumns: settings.mobileColumns,
desktopColumns: settings.desktopColumns,
),
blurExplicit: settings.blurExplicitContent,
showBadges: settings.showPostBadges,
nsfwEnabled: settings.nsfwEnabled,
mediaQualityMode:
MediaQualityMode.fromName(settings.mediaQualityMode),
favoriteKeys: favoriteKeys,
onOpen: (post) => AppNavigator.openPost(
context,
post: post,
postsList: allPosts,
),
onFavorite: (post) => _toggleFavorite(
ref,
post,
settings,
favoriteKeys,
),
),
);
}
final bottomInset = MediaQuery.paddingOf(context).bottom;
return RefreshIndicator(
onRefresh: () =>
ref.read(viewedControllerProvider.notifier).refresh(),
child: ListView(
padding: EdgeInsets.fromLTRB(16, 8, 16, 140 + bottomInset),
children: [
for (final group in groups) ...[
Padding(
padding: const EdgeInsets.fromLTRB(2, 16, 2, 10),
child: Row(
children: [
Container(
width: 28,
height: 28,
decoration: BoxDecoration(
gradient: LinearGradient(
colors: [
Theme.of(context).colorScheme.primary,
Theme.of(context).colorScheme.primary.withValues(alpha: 0.82),
],
),
borderRadius: BorderRadius.circular(9),
boxShadow: [
BoxShadow(
color: Theme.of(context)
.colorScheme
.primary
.withValues(alpha: 0.32),
blurRadius: 6,
offset: const Offset(0, 2),
),
],
),
child: const Center(
child: Icon(
Icons.calendar_today_rounded,
size: 14,
color: Colors.white,
),
),
),
const SizedBox(width: 10),
Text(
_localizedGroupLabel(group.label, isRu),
style:
Theme.of(context).textTheme.titleSmall?.copyWith(
fontWeight: FontWeight.bold,
letterSpacing: -0.2,
),
),
const SizedBox(width: 8),
Container(
padding: const EdgeInsets.symmetric(
horizontal: 8,
vertical: 2,
),
decoration: BoxDecoration(
color: Theme.of(context).brightness == Brightness.dark
? Theme.of(context)
.colorScheme
.surfaceContainerHighest
.withValues(alpha: 0.5)
: Theme.of(context)
.colorScheme
.primary
.withValues(alpha: 0.12),
borderRadius: BorderRadius.circular(10),
border: Border.all(
color: Theme.of(context).brightness == Brightness.dark
? Colors.white.withValues(alpha: 0.08)
: Theme.of(context)
.colorScheme
.primary
.withValues(alpha: 0.20),
),
),
child: Text(
'${group.items.length}',
style: Theme.of(context)
.textTheme
.labelSmall
?.copyWith(
fontWeight: FontWeight.w700,
color: Theme.of(context).brightness == Brightness.dark
? Theme.of(context).colorScheme.onSurfaceVariant
: Theme.of(context).colorScheme.primary,
),
),
),
],
),
),
for (final item in group.items)
_ViewedPostTile(
post: item.post,
viewedAt: item.viewedAt,
isFavorite: favoriteKeys.contains(item.post.cacheKey),
isRu: isRu,
onOpen: () {
AppNavigator.openPost(
context,
post: item.post,
postsList: allPosts,
);
},
onFavorite: () => _toggleFavorite(
ref,
item.post,
settings,
favoriteKeys,
),
onDelete: () => ref
.read(viewedControllerProvider.notifier)
.deleteItem(item.post.providerId, item.post.id),
),
],
],
),
);
},
),
);
}
String _localizedGroupLabel(String label, bool isRu) {
if (!isRu) return label;
if (label == 'Today') return 'Сегодня';
if (label == 'Yesterday') return 'Вчера';
return label;
}
Future<void> _toggleFavorite(
WidgetRef ref,
Post post,
AppSettings settings,
Set<String> favoriteKeys,
) async {
if (favoriteKeys.contains(post.cacheKey)) {
await ref
.read(favoriteServiceProvider)
.removeFavorite(post.id, post.providerId);
} else {
await ref.read(favoriteServiceProvider).addFavorite(
post,
settings: settings,
downloadManager: ref.read(downloadManagerServiceProvider),
);
}
ref.invalidate(favoriteKeysProvider);
ref.invalidate(favoritesControllerProvider);
}
}
class _ViewedPostTile extends StatelessWidget {
const _ViewedPostTile({
required this.post,
required this.viewedAt,
required this.isFavorite,
required this.isRu,
required this.onOpen,
required this.onFavorite,
required this.onDelete,
});
final Post post;
final DateTime viewedAt;
final bool isFavorite;
final bool isRu;
final VoidCallback onOpen;
final VoidCallback onFavorite;
final VoidCallback onDelete;
bool get _isVideo {
final type = post.fileType.toLowerCase();
final url = post.fileUrl.toLowerCase();
return type == 'mp4' ||
type == 'webm' ||
url.endsWith('.mp4') ||
url.endsWith('.webm');
}
@override
Widget build(BuildContext context) {
final scheme = Theme.of(context).colorScheme;
final isDark = Theme.of(context).brightness == Brightness.dark;
final image = MediaUrlSelector.preview(post).firstOrNull;
final timeStr =
'${viewedAt.hour.toString().padLeft(2, '0')}:${viewedAt.minute.toString().padLeft(2, '0')}';
return Container(
margin: const EdgeInsets.only(bottom: 10),
decoration: BoxDecoration(
borderRadius: BorderRadius.circular(20),
boxShadow: [
BoxShadow(
color: Colors.black.withValues(alpha: isDark ? 0.28 : 0.05),
blurRadius: 14,
offset: const Offset(0, 4),
spreadRadius: -2,
),
],
),
child: ClipRRect(
borderRadius: BorderRadius.circular(20),
child: BackdropFilter(
filter: ImageFilter.blur(sigmaX: 16, sigmaY: 16),
child: Material(
color: Colors.transparent,
child: InkWell(
borderRadius: BorderRadius.circular(20),
onTap: () {
HapticFeedback.selectionClick();
onOpen();
},
child: Container(
padding: const EdgeInsets.all(10),
decoration: BoxDecoration(
borderRadius: BorderRadius.circular(20),
gradient: LinearGradient(
begin: Alignment.topLeft,
end: Alignment.bottomRight,
colors: isDark
? [
scheme.surfaceContainerHigh
.withValues(alpha: 0.58),
scheme.surfaceContainerLow
.withValues(alpha: 0.36),
]
: [
Colors.white.withValues(alpha: 0.88),
Colors.white.withValues(alpha: 0.72),
],
),
border: Border.all(
color: isDark
? Colors.white.withValues(alpha: 0.13)
: Colors.white.withValues(alpha: 0.85),
width: 1.1,
),
),
child: Row(
children: [
// Squircle Thumbnail
ClipRRect(
borderRadius: BorderRadius.circular(13),
child: Container(
width: 68,
height: 68,
decoration: BoxDecoration(
border: Border.all(
color: isDark
? Colors.white.withValues(alpha: 0.10)
: scheme.outlineVariant.withValues(alpha: 0.30),
),
borderRadius: BorderRadius.circular(13),
),
child: Stack(
fit: StackFit.expand,
children: [
image == null
? Container(
color: scheme.surfaceContainerHighest,
child: const Icon(
Icons.image_not_supported_rounded),
)
: CachedNetworkImage(
imageUrl: image,
memCacheWidth: 320,
memCacheHeight: 320,
fit: BoxFit.cover,
placeholder: (_, __) => Container(
color: scheme.surfaceContainerHighest,
),
errorWidget: (_, __, ___) => Container(
color: scheme.surfaceContainerHighest,
child: const Icon(
Icons.broken_image_rounded,
size: 20,
),
),
),
if (_isVideo)
Positioned(
right: 4,
bottom: 4,
child: Container(
padding: const EdgeInsets.all(3),
decoration: BoxDecoration(
color: Colors.black.withValues(alpha: 0.65),
borderRadius: BorderRadius.circular(5),
),
child: const Icon(
Icons.play_arrow_rounded,
size: 14,
color: Colors.white,
),
),
),
],
),
),
),
const SizedBox(width: 12),
// Post details
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Row(
children: [
Flexible(
child: Container(
padding: const EdgeInsets.symmetric(
horizontal: 7,
vertical: 2,
),
decoration: BoxDecoration(
color: scheme.primary
.withValues(alpha: isDark ? 0.20 : 0.12),
borderRadius: BorderRadius.circular(6),
border: Border.all(
color: scheme.primary.withValues(
alpha: isDark ? 0.30 : 0.20),
),
),
child: Text(
post.providerName,
maxLines: 1,
overflow: TextOverflow.ellipsis,
style: Theme.of(context)
.textTheme
.labelSmall
?.copyWith(
fontWeight: FontWeight.w700,
color: scheme.primary,
),
),
),
),
const SizedBox(width: 6),
Text(
timeStr,
style: Theme.of(context)
.textTheme
.labelSmall
?.copyWith(
color: scheme.onSurfaceVariant,
fontWeight: FontWeight.w500,
),
),
],
),
const SizedBox(height: 4),
Text(
post.tags.isEmpty ? '#${post.id}' : post.tags.take(4).join(' '),
maxLines: 1,
overflow: TextOverflow.ellipsis,
style: Theme.of(context).textTheme.bodyMedium?.copyWith(
fontWeight: FontWeight.w600,
letterSpacing: -0.1,
),
),
if (post.score != 0) ...[
const SizedBox(height: 2),
Row(
children: [
Icon(
Icons.thumb_up_rounded,
size: 12,
color: scheme.outline,
),
const SizedBox(width: 4),
Text(
'${post.score}',
style: Theme.of(context)
.textTheme
.labelSmall
?.copyWith(
color: scheme.outline,
fontWeight: FontWeight.w600,
),
),
],
),
],
],
),
),
// Action buttons
IconButton(
visualDensity: VisualDensity.compact,
padding: EdgeInsets.zero,
constraints:
const BoxConstraints(minWidth: 36, minHeight: 36),
tooltip: isFavorite
? (isRu ? 'В избранном' : 'In favorites')
: (isRu ? 'В избранное' : 'Add to favorites'),
onPressed: () {
HapticFeedback.selectionClick();
onFavorite();
},
icon: Icon(
isFavorite
? Icons.favorite_rounded
: Icons.favorite_border_rounded,
color: isFavorite
? Colors.redAccent
: scheme.onSurfaceVariant,
),
),
IconButton(
visualDensity: VisualDensity.compact,
padding: EdgeInsets.zero,
constraints:
const BoxConstraints(minWidth: 36, minHeight: 36),
tooltip:
isRu ? 'Удалить из истории' : 'Delete from history',
onPressed: () {
HapticFeedback.lightImpact();
onDelete();
},
icon: Icon(
Icons.close_rounded,
size: 20,
color: scheme.onSurfaceVariant.withValues(alpha: 0.6),
),
),
],
),
),
),
),
),
),
);
}
}