SpotiFLAC-Mobile/lib/screens/downloaded_album_screen.dart

1606 lines
53 KiB
Dart

import 'dart:io';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:cached_network_image/cached_network_image.dart';
import 'package:share_plus/share_plus.dart';
import 'package:path_provider/path_provider.dart';
import 'package:spotiflac_android/services/cover_cache_manager.dart';
import 'package:spotiflac_android/services/ffmpeg_service.dart';
import 'package:spotiflac_android/services/platform_bridge.dart';
import 'package:spotiflac_android/services/history_database.dart';
import 'package:spotiflac_android/l10n/l10n.dart';
import 'package:spotiflac_android/utils/file_access.dart';
import 'package:spotiflac_android/utils/image_cache_utils.dart';
import 'package:spotiflac_android/utils/lyrics_metadata_helper.dart';
import 'package:spotiflac_android/providers/download_queue_provider.dart';
import 'package:spotiflac_android/widgets/batch_progress_dialog.dart';
import 'package:spotiflac_android/providers/playback_provider.dart';
import 'package:spotiflac_android/providers/settings_provider.dart';
import 'package:spotiflac_android/screens/track_metadata_screen.dart';
import 'package:spotiflac_android/services/downloaded_embedded_cover_resolver.dart';
import 'package:spotiflac_android/widgets/animation_utils.dart';
class DownloadedAlbumScreen extends ConsumerStatefulWidget {
final String albumName;
final String artistName;
final String? coverUrl;
const DownloadedAlbumScreen({
super.key,
required this.albumName,
required this.artistName,
this.coverUrl,
});
@override
ConsumerState<DownloadedAlbumScreen> createState() =>
_DownloadedAlbumScreenState();
}
class _DownloadedAlbumScreenState extends ConsumerState<DownloadedAlbumScreen> {
bool _isSelectionMode = false;
final Set<String> _selectedIds = {};
bool _showTitleInAppBar = false;
final ScrollController _scrollController = ScrollController();
bool _embeddedCoverRefreshScheduled = false;
List<DownloadHistoryItem>? _albumTracksSourceCache;
List<DownloadHistoryItem>? _albumTracksCache;
List<DownloadHistoryItem>? _discGroupingSourceCache;
Map<int, List<DownloadHistoryItem>>? _discGroupingCache;
List<int>? _sortedDiscNumbersCache;
List<DownloadHistoryItem>? _commonQualitySourceCache;
String? _commonQualityCache;
List<DownloadHistoryItem>? _embeddedCoverSourceCache;
String? _embeddedCoverPathCache;
bool _embeddedCoverPathResolved = false;
String get _albumLookupKey =>
'${widget.albumName.toLowerCase()}|${widget.artistName.toLowerCase()}';
@override
void initState() {
super.initState();
_scrollController.addListener(_onScroll);
}
@override
void dispose() {
_scrollController.removeListener(_onScroll);
_scrollController.dispose();
super.dispose();
}
@override
void didUpdateWidget(covariant DownloadedAlbumScreen oldWidget) {
super.didUpdateWidget(oldWidget);
if (oldWidget.albumName != widget.albumName ||
oldWidget.artistName != widget.artistName) {
_albumTracksSourceCache = null;
_albumTracksCache = null;
_invalidateDerivedTrackCaches();
}
}
void _onScroll() {
final expandedHeight = _calculateExpandedHeight(context);
final shouldShow =
_scrollController.offset > (expandedHeight - kToolbarHeight - 20);
if (shouldShow != _showTitleInAppBar) {
setState(() => _showTitleInAppBar = shouldShow);
}
}
double _calculateExpandedHeight(BuildContext context) {
final mediaSize = MediaQuery.of(context).size;
return (mediaSize.height * 0.55).clamp(360.0, 520.0);
}
String? _highResCoverUrl(String? url) {
if (url == null) return null;
if (url.contains('ab67616d00001e02')) {
return url.replaceAll('ab67616d00001e02', 'ab67616d0000b273');
}
final deezerRegex = RegExp(r'/(\d+)x(\d+)-(\d+)-(\d+)-(\d+)-(\d+)\.jpg$');
if (url.contains('cdn-images.dzcdn.net') && deezerRegex.hasMatch(url)) {
return url.replaceAllMapped(
deezerRegex,
(m) => '/1000x1000-${m[3]}-${m[4]}-${m[5]}-${m[6]}.jpg',
);
}
return url;
}
List<DownloadHistoryItem> _getAlbumTracks(
List<DownloadHistoryItem> allItems,
) {
final cached = _albumTracksCache;
if (cached != null && identical(allItems, _albumTracksSourceCache)) {
return cached;
}
final tracks =
allItems.where((item) {
final itemArtist =
(item.albumArtist != null && item.albumArtist!.isNotEmpty)
? item.albumArtist!
: item.artistName;
final itemKey =
'${item.albumName.toLowerCase()}|${itemArtist.toLowerCase()}';
return itemKey == _albumLookupKey;
}).toList()..sort((a, b) {
final aDisc = a.discNumber ?? 1;
final bDisc = b.discNumber ?? 1;
if (aDisc != bDisc) return aDisc.compareTo(bDisc);
final aNum = a.trackNumber ?? 999;
final bNum = b.trackNumber ?? 999;
if (aNum != bNum) return aNum.compareTo(bNum);
return a.trackName.compareTo(b.trackName);
});
_albumTracksSourceCache = allItems;
_albumTracksCache = tracks;
_invalidateDerivedTrackCaches();
return tracks;
}
void _invalidateDerivedTrackCaches() {
_discGroupingSourceCache = null;
_discGroupingCache = null;
_sortedDiscNumbersCache = null;
_commonQualitySourceCache = null;
_commonQualityCache = null;
_embeddedCoverSourceCache = null;
_embeddedCoverPathCache = null;
_embeddedCoverPathResolved = false;
}
Map<int, List<DownloadHistoryItem>> _getDiscGroups(
List<DownloadHistoryItem> tracks,
) {
final cached = _discGroupingCache;
if (cached != null && identical(tracks, _discGroupingSourceCache)) {
return cached;
}
final discMap = <int, List<DownloadHistoryItem>>{};
for (final track in tracks) {
final discNumber = track.discNumber ?? 1;
discMap.putIfAbsent(discNumber, () => []).add(track);
}
_discGroupingSourceCache = tracks;
_discGroupingCache = discMap;
_sortedDiscNumbersCache = discMap.keys.toList()..sort();
return discMap;
}
List<int> _getSortedDiscNumbers(List<DownloadHistoryItem> tracks) {
_getDiscGroups(tracks);
return _sortedDiscNumbersCache ?? const [];
}
void _enterSelectionMode(String itemId) {
HapticFeedback.mediumImpact();
setState(() {
_isSelectionMode = true;
_selectedIds.add(itemId);
});
}
void _exitSelectionMode() {
setState(() {
_isSelectionMode = false;
_selectedIds.clear();
});
}
void _toggleSelection(String itemId) {
setState(() {
if (_selectedIds.contains(itemId)) {
_selectedIds.remove(itemId);
if (_selectedIds.isEmpty) {
_isSelectionMode = false;
}
} else {
_selectedIds.add(itemId);
}
});
}
void _selectAll(List<DownloadHistoryItem> tracks) {
setState(() {
_selectedIds.addAll(tracks.map((e) => e.id));
});
}
Future<void> _deleteSelected(List<DownloadHistoryItem> currentTracks) async {
final count = _selectedIds.length;
final confirmed = await showDialog<bool>(
context: context,
builder: (ctx) => AlertDialog(
title: Text(context.l10n.downloadedAlbumDeleteSelected),
content: Text(context.l10n.downloadedAlbumDeleteMessage(count)),
actions: [
TextButton(
onPressed: () => Navigator.pop(ctx, false),
child: Text(context.l10n.dialogCancel),
),
FilledButton(
onPressed: () => Navigator.pop(ctx, true),
style: FilledButton.styleFrom(
backgroundColor: Theme.of(context).colorScheme.error,
),
child: Text(context.l10n.dialogDelete),
),
],
),
);
if (confirmed == true && mounted) {
final historyNotifier = ref.read(downloadHistoryProvider.notifier);
final idsToDelete = _selectedIds.toList();
final tracksById = {for (final track in currentTracks) track.id: track};
int deletedCount = 0;
for (final id in idsToDelete) {
final item = tracksById[id];
if (item != null) {
try {
await deleteFile(item.filePath);
} catch (_) {}
historyNotifier.removeFromHistory(id);
deletedCount++;
}
}
_exitSelectionMode();
if (mounted) {
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: Text(context.l10n.snackbarDeletedTracks(deletedCount)),
),
);
}
}
}
Future<void> _openFile(DownloadHistoryItem track) async {
try {
await ref
.read(playbackProvider.notifier)
.playLocalPath(
path: track.filePath,
title: track.trackName,
artist: track.artistName,
album: track.albumName,
coverUrl: track.coverUrl ?? '',
);
} catch (e) {
if (mounted) {
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: Text(context.l10n.snackbarCannotOpenFile(e.toString())),
),
);
}
}
}
void _onEmbeddedCoverChanged() {
if (!mounted || _embeddedCoverRefreshScheduled) return;
_embeddedCoverRefreshScheduled = true;
_embeddedCoverPathResolved = false;
WidgetsBinding.instance.addPostFrameCallback((_) {
_embeddedCoverRefreshScheduled = false;
if (mounted) {
setState(() {});
}
});
}
Future<void> _navigateToMetadataScreen(
DownloadHistoryItem item, {
required List<DownloadHistoryItem> navigationItems,
required int navigationIndex,
}) async {
final navigator = Navigator.of(context);
_precacheCover(item.coverUrl);
final beforeModTime =
await DownloadedEmbeddedCoverResolver.readFileModTimeMillis(
item.filePath,
);
if (!mounted) return;
final result = await navigator.push(
slidePageRoute<bool>(
page: TrackMetadataScreen(
item: item,
historyNavigationItems: navigationItems,
navigationIndex: navigationIndex,
),
),
);
await DownloadedEmbeddedCoverResolver.scheduleRefreshForPath(
item.filePath,
beforeModTime: beforeModTime,
force: result == true,
onChanged: _onEmbeddedCoverChanged,
);
}
void _precacheCover(String? url) {
if (url == null || url.isEmpty) return;
if (!url.startsWith('http://') && !url.startsWith('https://')) {
return;
}
final dpr = MediaQuery.devicePixelRatioOf(
context,
).clamp(1.0, 3.0).toDouble();
final targetSize = (360 * dpr).round().clamp(512, 1024).toInt();
precacheImage(
ResizeImage(
CachedNetworkImageProvider(
url,
cacheManager: CoverCacheManager.instance,
),
width: targetSize,
height: targetSize,
),
context,
);
}
@override
Widget build(BuildContext context) {
final colorScheme = Theme.of(context).colorScheme;
final bottomPadding = MediaQuery.of(context).padding.bottom;
final allHistoryItems = ref.watch(
downloadHistoryProvider.select((s) => s.items),
);
final tracks = _getAlbumTracks(allHistoryItems);
if (tracks.isEmpty) {
return Scaffold(
appBar: AppBar(title: Text(widget.albumName)),
body: Center(child: Text(context.l10n.noTracksFoundForAlbum)),
);
}
final validIds = tracks.map((t) => t.id).toSet();
_selectedIds.removeWhere((id) => !validIds.contains(id));
if (_selectedIds.isEmpty && _isSelectionMode) {
WidgetsBinding.instance.addPostFrameCallback((_) {
if (mounted) setState(() => _isSelectionMode = false);
});
}
return PopScope(
canPop: !_isSelectionMode,
onPopInvokedWithResult: (didPop, result) {
if (!didPop && _isSelectionMode) {
_exitSelectionMode();
}
},
child: Scaffold(
body: Stack(
children: [
CustomScrollView(
controller: _scrollController,
slivers: [
_buildAppBar(context, colorScheme, tracks),
_buildInfoCard(context, colorScheme, tracks),
_buildTrackList(context, colorScheme, tracks),
SliverToBoxAdapter(
child: SizedBox(height: _isSelectionMode ? 120 : 32),
),
],
),
AnimatedPositioned(
duration: const Duration(milliseconds: 250),
curve: Curves.easeOutCubic,
left: 0,
right: 0,
bottom: _isSelectionMode ? 0 : -(200 + bottomPadding),
child: _buildSelectionBottomBar(
context,
colorScheme,
tracks,
bottomPadding,
),
),
],
),
),
);
}
String? _resolveAlbumEmbeddedCoverPath(List<DownloadHistoryItem> tracks) {
if (_embeddedCoverPathResolved &&
identical(tracks, _embeddedCoverSourceCache)) {
return _embeddedCoverPathCache;
}
_embeddedCoverSourceCache = tracks;
_embeddedCoverPathResolved = true;
if (tracks.isEmpty) {
_embeddedCoverPathCache = null;
return null;
}
_embeddedCoverPathCache = DownloadedEmbeddedCoverResolver.resolve(
tracks.first.filePath,
onChanged: _onEmbeddedCoverChanged,
);
return _embeddedCoverPathCache;
}
Widget _buildAppBar(
BuildContext context,
ColorScheme colorScheme,
List<DownloadHistoryItem> tracks,
) {
final expandedHeight = _calculateExpandedHeight(context);
final embeddedCoverPath = _resolveAlbumEmbeddedCoverPath(tracks);
final commonQuality = _getCommonQuality(tracks);
return SliverAppBar(
expandedHeight: expandedHeight,
pinned: true,
stretch: true,
backgroundColor: colorScheme.surface,
surfaceTintColor: Colors.transparent,
title: AnimatedOpacity(
duration: const Duration(milliseconds: 200),
opacity: _showTitleInAppBar ? 1.0 : 0.0,
child: Text(
widget.albumName,
style: TextStyle(
color: colorScheme.onSurface,
fontWeight: FontWeight.w600,
fontSize: 16,
),
maxLines: 1,
overflow: TextOverflow.ellipsis,
),
),
flexibleSpace: LayoutBuilder(
builder: (context, constraints) {
final collapseRatio =
(constraints.maxHeight - kToolbarHeight) /
(expandedHeight - kToolbarHeight);
final showContent = collapseRatio > 0.3;
final cacheWidth = coverCacheWidthForViewport(context);
return FlexibleSpaceBar(
collapseMode: CollapseMode.pin,
background: Stack(
fit: StackFit.expand,
children: [
if (embeddedCoverPath != null)
Image.file(
File(embeddedCoverPath),
fit: BoxFit.cover,
cacheWidth: cacheWidth,
gaplessPlayback: true,
filterQuality: FilterQuality.low,
errorBuilder: (_, _, _) =>
Container(color: colorScheme.surface),
)
else if (widget.coverUrl != null)
CachedNetworkImage(
imageUrl:
_highResCoverUrl(widget.coverUrl) ?? widget.coverUrl!,
fit: BoxFit.cover,
memCacheWidth: cacheWidth,
cacheManager: CoverCacheManager.instance,
placeholder: (_, _) =>
Container(color: colorScheme.surface),
errorWidget: (_, _, _) =>
Container(color: colorScheme.surface),
)
else
Container(
color: colorScheme.surfaceContainerHighest,
child: Icon(
Icons.album,
size: 80,
color: colorScheme.onSurfaceVariant,
),
),
Positioned(
left: 0,
right: 0,
bottom: 0,
height: expandedHeight * 0.65,
child: Container(
decoration: BoxDecoration(
gradient: LinearGradient(
begin: Alignment.topCenter,
end: Alignment.bottomCenter,
colors: [
Colors.transparent,
Colors.black.withValues(alpha: 0.85),
],
),
),
),
),
Positioned(
left: 20,
right: 20,
bottom: 40,
child: AnimatedOpacity(
duration: const Duration(milliseconds: 150),
opacity: showContent ? 1.0 : 0.0,
child: Column(
crossAxisAlignment: CrossAxisAlignment.center,
mainAxisSize: MainAxisSize.min,
children: [
Text(
widget.albumName,
style: const TextStyle(
color: Colors.white,
fontSize: 24,
fontWeight: FontWeight.bold,
height: 1.2,
),
textAlign: TextAlign.center,
maxLines: 3,
overflow: TextOverflow.ellipsis,
),
const SizedBox(height: 6),
Text(
widget.artistName,
style: const TextStyle(
color: Colors.white70,
fontSize: 16,
fontWeight: FontWeight.w600,
),
textAlign: TextAlign.center,
maxLines: 1,
overflow: TextOverflow.ellipsis,
),
if (tracks.isNotEmpty) ...[
const SizedBox(height: 12),
Wrap(
alignment: WrapAlignment.center,
spacing: 8,
runSpacing: 8,
children: [
Container(
padding: const EdgeInsets.symmetric(
horizontal: 12,
vertical: 6,
),
decoration: BoxDecoration(
color: Colors.white.withValues(alpha: 0.2),
borderRadius: BorderRadius.circular(20),
),
child: Row(
mainAxisSize: MainAxisSize.min,
children: [
const Icon(
Icons.download_done,
size: 14,
color: Colors.white,
),
const SizedBox(width: 4),
Text(
context.l10n
.downloadedAlbumDownloadedCount(
tracks.length,
),
style: const TextStyle(
color: Colors.white,
fontWeight: FontWeight.w600,
fontSize: 12,
),
),
],
),
),
if (commonQuality != null)
Container(
padding: const EdgeInsets.symmetric(
horizontal: 12,
vertical: 6,
),
decoration: BoxDecoration(
color: Colors.white.withValues(alpha: 0.2),
borderRadius: BorderRadius.circular(20),
),
child: Text(
commonQuality,
style: const TextStyle(
color: Colors.white,
fontWeight: FontWeight.w600,
fontSize: 12,
),
),
),
],
),
],
],
),
),
),
],
),
stretchModes: const [StretchMode.zoomBackground],
);
},
),
leading: IconButton(
tooltip: MaterialLocalizations.of(context).backButtonTooltip,
icon: Container(
padding: const EdgeInsets.all(8),
decoration: BoxDecoration(
color: Colors.black.withValues(alpha: 0.4),
shape: BoxShape.circle,
),
child: const Icon(Icons.arrow_back, color: Colors.white),
),
onPressed: () => Navigator.pop(context),
),
);
}
Widget _buildInfoCard(
BuildContext context,
ColorScheme colorScheme,
List<DownloadHistoryItem> tracks,
) {
return const SliverToBoxAdapter(child: SizedBox.shrink());
}
String? _getCommonQuality(List<DownloadHistoryItem> tracks) {
if (identical(tracks, _commonQualitySourceCache)) {
return _commonQualityCache;
}
if (tracks.isEmpty) {
_commonQualitySourceCache = tracks;
_commonQualityCache = null;
return null;
}
final firstQuality = tracks.first.quality;
if (firstQuality == null) {
_commonQualitySourceCache = tracks;
_commonQualityCache = null;
return null;
}
for (final track in tracks) {
if (track.quality != firstQuality) {
_commonQualitySourceCache = tracks;
_commonQualityCache = null;
return null;
}
}
_commonQualitySourceCache = tracks;
_commonQualityCache = firstQuality;
return firstQuality;
}
Widget _buildTrackList(
BuildContext context,
ColorScheme colorScheme,
List<DownloadHistoryItem> tracks,
) {
final discMap = _getDiscGroups(tracks);
if (discMap.length <= 1) {
return SliverList(
delegate: SliverChildBuilderDelegate((context, index) {
final track = tracks[index];
return KeyedSubtree(
key: ValueKey(track.id),
child: StaggeredListItem(
index: index,
child: _buildTrackItem(
context,
colorScheme,
track,
tracks,
index,
),
),
);
}, childCount: tracks.length),
);
}
final discNumbers = _getSortedDiscNumbers(tracks);
final List<Widget> children = [];
var revealIndex = 0;
for (final discNumber in discNumbers) {
final discTracks = discMap[discNumber];
if (discTracks == null || discTracks.isEmpty) continue;
children.add(_buildDiscSeparator(context, colorScheme, discNumber));
for (final track in discTracks) {
final navigationIndex = tracks.indexOf(track);
children.add(
KeyedSubtree(
key: ValueKey(track.id),
child: StaggeredListItem(
index: revealIndex++,
child: _buildTrackItem(
context,
colorScheme,
track,
tracks,
navigationIndex,
),
),
),
);
}
}
return SliverList(delegate: SliverChildListDelegate(children));
}
Widget _buildDiscSeparator(
BuildContext context,
ColorScheme colorScheme,
int discNumber,
) {
return Padding(
padding: const EdgeInsets.fromLTRB(20, 16, 20, 8),
child: Row(
children: [
Container(
padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 6),
decoration: BoxDecoration(
color: colorScheme.secondaryContainer,
borderRadius: BorderRadius.circular(16),
),
child: Row(
mainAxisSize: MainAxisSize.min,
children: [
Icon(
Icons.album,
size: 16,
color: colorScheme.onSecondaryContainer,
),
const SizedBox(width: 6),
Text(
context.l10n.downloadedAlbumDiscHeader(discNumber),
style: Theme.of(context).textTheme.labelLarge?.copyWith(
color: colorScheme.onSecondaryContainer,
fontWeight: FontWeight.w600,
),
),
],
),
),
const SizedBox(width: 12),
Expanded(
child: Container(
height: 1,
color: colorScheme.outlineVariant.withValues(alpha: 0.5),
),
),
],
),
);
}
Widget _buildTrackItem(
BuildContext context,
ColorScheme colorScheme,
DownloadHistoryItem track,
List<DownloadHistoryItem> navigationItems,
int navigationIndex,
) {
final isSelected = _selectedIds.contains(track.id);
return Padding(
padding: const EdgeInsets.symmetric(horizontal: 8),
child: Card(
elevation: 0,
color: isSelected
? colorScheme.primaryContainer.withValues(alpha: 0.3)
: Colors.transparent,
margin: const EdgeInsets.symmetric(vertical: 2),
child: ListTile(
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(12),
),
onTap: _isSelectionMode
? () => _toggleSelection(track.id)
: () => _navigateToMetadataScreen(
track,
navigationItems: navigationItems,
navigationIndex: navigationIndex,
),
onLongPress: _isSelectionMode
? null
: () => _enterSelectionMode(track.id),
leading: Row(
mainAxisSize: MainAxisSize.min,
children: [
if (_isSelectionMode) ...[
AnimatedSelectionCheckbox(
visible: true,
selected: isSelected,
colorScheme: colorScheme,
size: 24,
),
const SizedBox(width: 12),
],
SizedBox(
width: 24,
child: Text(
track.trackNumber?.toString() ?? '-',
style: Theme.of(context).textTheme.bodyMedium?.copyWith(
color: colorScheme.onSurfaceVariant,
fontWeight: FontWeight.w500,
),
textAlign: TextAlign.center,
),
),
],
),
title: Text(
track.trackName,
maxLines: 1,
overflow: TextOverflow.ellipsis,
style: Theme.of(
context,
).textTheme.bodyLarge?.copyWith(fontWeight: FontWeight.w500),
),
subtitle: Text(
track.artistName,
maxLines: 1,
overflow: TextOverflow.ellipsis,
style: TextStyle(color: colorScheme.onSurfaceVariant),
),
trailing: _isSelectionMode
? null
: IconButton(
tooltip: 'Play track',
onPressed: () => _openFile(track),
icon: Icon(Icons.play_arrow, color: colorScheme.primary),
style: IconButton.styleFrom(
backgroundColor: colorScheme.primaryContainer.withValues(
alpha: 0.3,
),
),
),
),
),
);
}
Future<void> _shareSelected(List<DownloadHistoryItem> allTracks) async {
final tracksById = {for (final t in allTracks) t.id: t};
final safUris = <String>[];
final filesToShare = <XFile>[];
for (final id in _selectedIds) {
final item = tracksById[id];
if (item == null) continue;
final path = item.filePath;
if (isContentUri(path)) {
if (await fileExists(path)) safUris.add(path);
} else if (await fileExists(path)) {
filesToShare.add(XFile(path));
}
}
if (safUris.isEmpty && filesToShare.isEmpty) {
if (mounted) {
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(content: Text(context.l10n.selectionShareNoFiles)),
);
}
return;
}
if (safUris.isNotEmpty) {
try {
if (safUris.length == 1) {
await PlatformBridge.shareContentUri(safUris.first);
} else {
await PlatformBridge.shareMultipleContentUris(safUris);
}
} catch (_) {}
}
if (filesToShare.isNotEmpty) {
await SharePlus.instance.share(ShareParams(files: filesToShare));
}
}
void _showBatchConvertSheet(
BuildContext context,
List<DownloadHistoryItem> allTracks,
) {
final tracksById = {for (final t in allTracks) t.id: t};
final sourceFormats = <String>{};
for (final id in _selectedIds) {
final item = tracksById[id];
if (item == null) continue;
final nameToCheck =
(item.safFileName != null && item.safFileName!.isNotEmpty)
? item.safFileName!.toLowerCase()
: item.filePath.toLowerCase();
final ext = nameToCheck.endsWith('.flac')
? 'FLAC'
: nameToCheck.endsWith('.m4a')
? 'M4A'
: nameToCheck.endsWith('.mp3')
? 'MP3'
: (nameToCheck.endsWith('.opus') || nameToCheck.endsWith('.ogg'))
? 'Opus'
: null;
if (ext != null) sourceFormats.add(ext);
}
final formats = ['ALAC', 'FLAC', 'MP3', 'Opus'].where((target) {
return sourceFormats.any((src) {
if (src == target) return false;
final isLosslessTarget = target == 'ALAC' || target == 'FLAC';
final isLosslessSource = src == 'FLAC' || src == 'M4A';
if (isLosslessTarget && !isLosslessSource) return false;
return true;
});
}).toList();
if (formats.isEmpty) return;
String selectedFormat = formats.first;
bool isLosslessTarget =
selectedFormat == 'ALAC' || selectedFormat == 'FLAC';
String selectedBitrate = isLosslessTarget
? '320k'
: (selectedFormat == 'Opus' ? '128k' : '320k');
showModalBottomSheet<void>(
context: context,
useRootNavigator: true,
shape: const RoundedRectangleBorder(
borderRadius: BorderRadius.vertical(top: Radius.circular(20)),
),
builder: (sheetContext) {
return StatefulBuilder(
builder: (context, setSheetState) {
final colorScheme = Theme.of(context).colorScheme;
final bitrates = ['128k', '192k', '256k', '320k'];
return SafeArea(
child: Padding(
padding: const EdgeInsets.all(24),
child: Column(
mainAxisSize: MainAxisSize.min,
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Center(
child: Container(
width: 40,
height: 4,
decoration: BoxDecoration(
color: colorScheme.onSurfaceVariant.withValues(
alpha: 0.4,
),
borderRadius: BorderRadius.circular(2),
),
),
),
const SizedBox(height: 16),
Text(
context.l10n.selectionBatchConvertConfirmTitle,
style: Theme.of(context).textTheme.titleLarge?.copyWith(
fontWeight: FontWeight.bold,
),
),
const SizedBox(height: 20),
Text(
context.l10n.trackConvertTargetFormat,
style: Theme.of(context).textTheme.titleSmall?.copyWith(
color: colorScheme.onSurfaceVariant,
),
),
const SizedBox(height: 8),
Wrap(
spacing: 8,
children: formats.map((format) {
final isSelected = format == selectedFormat;
return ChoiceChip(
label: Text(format),
selected: isSelected,
onSelected: (selected) {
if (selected) {
setSheetState(() {
selectedFormat = format;
isLosslessTarget =
format == 'ALAC' || format == 'FLAC';
if (!isLosslessTarget) {
selectedBitrate = format == 'Opus'
? '128k'
: '320k';
}
});
}
},
);
}).toList(),
),
if (!isLosslessTarget) ...[
const SizedBox(height: 16),
Text(
context.l10n.trackConvertBitrate,
style: Theme.of(context).textTheme.titleSmall?.copyWith(
color: colorScheme.onSurfaceVariant,
),
),
const SizedBox(height: 8),
Wrap(
spacing: 8,
children: bitrates.map((br) {
final isSelected = br == selectedBitrate;
return ChoiceChip(
label: Text(br),
selected: isSelected,
onSelected: (selected) {
if (selected) {
setSheetState(() => selectedBitrate = br);
}
},
);
}).toList(),
),
],
if (isLosslessTarget) ...[
const SizedBox(height: 16),
Row(
children: [
Icon(
Icons.verified,
size: 16,
color: colorScheme.primary,
),
const SizedBox(width: 6),
Text(
context.l10n.trackConvertLosslessHint,
style: Theme.of(context).textTheme.bodySmall
?.copyWith(color: colorScheme.primary),
),
],
),
],
const SizedBox(height: 24),
SizedBox(
width: double.infinity,
child: FilledButton(
onPressed: () {
Navigator.pop(context);
_performBatchConversion(
allTracks: allTracks,
targetFormat: selectedFormat,
bitrate: selectedBitrate,
);
},
style: FilledButton.styleFrom(
padding: const EdgeInsets.symmetric(vertical: 16),
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(16),
),
),
child: Text(
context.l10n.selectionConvertCount(
_selectedIds.length,
),
),
),
),
],
),
),
);
},
);
},
);
}
Future<void> _performBatchConversion({
required List<DownloadHistoryItem> allTracks,
required String targetFormat,
required String bitrate,
}) async {
final tracksById = {for (final t in allTracks) t.id: t};
final selected = <DownloadHistoryItem>[];
for (final id in _selectedIds) {
final item = tracksById[id];
if (item == null) continue;
final nameToCheck =
(item.safFileName != null && item.safFileName!.isNotEmpty)
? item.safFileName!.toLowerCase()
: item.filePath.toLowerCase();
final ext = nameToCheck.endsWith('.flac')
? 'FLAC'
: nameToCheck.endsWith('.m4a')
? 'M4A'
: nameToCheck.endsWith('.mp3')
? 'MP3'
: (nameToCheck.endsWith('.opus') || nameToCheck.endsWith('.ogg'))
? 'Opus'
: null;
if (ext == null || ext == targetFormat) continue;
final isLosslessTarget = targetFormat == 'ALAC' || targetFormat == 'FLAC';
final isLosslessSource = ext == 'FLAC' || ext == 'M4A';
if (isLosslessTarget && !isLosslessSource) continue;
selected.add(item);
}
if (selected.isEmpty) {
if (mounted) {
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(content: Text(context.l10n.selectionConvertNoConvertible)),
);
}
return;
}
final isLossless = targetFormat == 'ALAC' || targetFormat == 'FLAC';
final confirmed = await showDialog<bool>(
context: context,
builder: (ctx) => AlertDialog(
title: Text(context.l10n.selectionBatchConvertConfirmTitle),
content: Text(
isLossless
? context.l10n.selectionBatchConvertConfirmMessageLossless(
selected.length,
targetFormat,
)
: context.l10n.selectionBatchConvertConfirmMessage(
selected.length,
targetFormat,
bitrate,
),
),
actions: [
TextButton(
onPressed: () => Navigator.pop(ctx, false),
child: Text(context.l10n.dialogCancel),
),
FilledButton(
onPressed: () => Navigator.pop(ctx, true),
child: Text(context.l10n.trackConvertFormat),
),
],
),
);
if (confirmed != true || !mounted) return;
int successCount = 0;
final total = selected.length;
final historyDb = HistoryDatabase.instance;
final newQuality =
(targetFormat.toUpperCase() == 'ALAC' ||
targetFormat.toUpperCase() == 'FLAC')
? '${targetFormat.toUpperCase()} Lossless'
: '${targetFormat.toUpperCase()} ${bitrate.trim().toLowerCase()}';
final settings = ref.read(settingsProvider);
final shouldEmbedLyrics =
settings.embedLyrics && settings.lyricsMode != 'external';
var cancelled = false;
BatchProgressDialog.show(
context: context,
title: context.l10n.trackConvertConverting,
total: total,
icon: Icons.transform,
onCancel: () {
cancelled = true;
BatchProgressDialog.dismiss(context);
},
);
for (int i = 0; i < total; i++) {
if (!mounted || cancelled) break;
final item = selected[i];
BatchProgressDialog.update(current: i + 1, detail: item.trackName);
try {
final metadata = <String, String>{
'TITLE': item.trackName,
'ARTIST': item.artistName,
'ALBUM': item.albumName,
};
try {
final result = await PlatformBridge.readFileMetadata(item.filePath);
if (result['error'] == null) {
mergePlatformMetadataForTagEmbed(target: metadata, source: result);
}
} catch (_) {}
await ensureLyricsMetadataForConversion(
metadata: metadata,
sourcePath: item.filePath,
shouldEmbedLyrics: shouldEmbedLyrics,
trackName: item.trackName,
artistName: item.artistName,
spotifyId: item.spotifyId ?? '',
durationMs: (item.duration ?? 0) * 1000,
);
String? coverPath;
try {
final tempDir = await getTemporaryDirectory();
final coverOutput =
'${tempDir.path}${Platform.pathSeparator}batch_cover_${DateTime.now().millisecondsSinceEpoch}.jpg';
final coverResult = await PlatformBridge.extractCoverToFile(
item.filePath,
coverOutput,
);
if (coverResult['error'] == null) coverPath = coverOutput;
} catch (_) {}
String workingPath = item.filePath;
final isSaf = isContentUri(item.filePath);
String? safTempPath;
if (isSaf) {
safTempPath = await PlatformBridge.copyContentUriToTemp(
item.filePath,
);
if (safTempPath == null) continue;
workingPath = safTempPath;
}
final newPath = await FFmpegService.convertAudioFormat(
inputPath: workingPath,
targetFormat: targetFormat.toLowerCase(),
bitrate: bitrate,
metadata: metadata,
coverPath: coverPath,
artistTagMode: settings.artistTagMode,
deleteOriginal: !isSaf,
);
if (coverPath != null) {
try {
await File(coverPath).delete();
} catch (_) {}
}
if (newPath == null) {
if (safTempPath != null) {
try {
await File(safTempPath).delete();
} catch (_) {}
}
continue;
}
if (isSaf) {
final treeUri = item.downloadTreeUri;
final relativeDir = item.safRelativeDir ?? '';
if (treeUri != null && treeUri.isNotEmpty) {
final oldFileName = item.safFileName ?? '';
final dotIdx = oldFileName.lastIndexOf('.');
final baseName = dotIdx > 0
? oldFileName.substring(0, dotIdx)
: oldFileName;
String newExt;
String mimeType;
switch (targetFormat.toLowerCase()) {
case 'opus':
newExt = '.opus';
mimeType = 'audio/opus';
break;
case 'alac':
newExt = '.m4a';
mimeType = 'audio/mp4';
break;
case 'flac':
newExt = '.flac';
mimeType = 'audio/flac';
break;
default:
newExt = '.mp3';
mimeType = 'audio/mpeg';
break;
}
final newFileName = '$baseName$newExt';
final safUri = await PlatformBridge.createSafFileFromPath(
treeUri: treeUri,
relativeDir: relativeDir,
fileName: newFileName,
mimeType: mimeType,
srcPath: newPath,
);
if (safUri == null || safUri.isEmpty) {
try {
await File(newPath).delete();
} catch (_) {}
if (safTempPath != null) {
try {
await File(safTempPath).delete();
} catch (_) {}
}
continue;
}
try {
await PlatformBridge.safDelete(item.filePath);
} catch (_) {}
await historyDb.updateFilePath(
item.id,
safUri,
newSafFileName: newFileName,
newQuality: newQuality,
clearAudioSpecs: true,
);
}
try {
await File(newPath).delete();
} catch (_) {}
if (safTempPath != null) {
try {
await File(safTempPath).delete();
} catch (_) {}
}
} else {
await historyDb.updateFilePath(
item.id,
newPath,
newQuality: newQuality,
clearAudioSpecs: true,
);
}
successCount++;
} catch (_) {}
}
ref.read(downloadHistoryProvider.notifier).reloadFromStorage();
_exitSelectionMode();
if (mounted) {
if (!cancelled) {
BatchProgressDialog.dismiss(context);
}
ScaffoldMessenger.of(context).clearSnackBars();
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: Text(
context.l10n.selectionBatchConvertSuccess(
successCount,
total,
targetFormat,
),
),
),
);
}
}
Widget _buildSelectionBottomBar(
BuildContext context,
ColorScheme colorScheme,
List<DownloadHistoryItem> tracks,
double bottomPadding,
) {
final selectedCount = _selectedIds.length;
final allSelected = selectedCount == tracks.length && tracks.isNotEmpty;
return Container(
decoration: BoxDecoration(
color: colorScheme.surfaceContainerHigh,
borderRadius: const BorderRadius.vertical(top: Radius.circular(28)),
boxShadow: [
BoxShadow(
color: Colors.black.withValues(alpha: 0.15),
blurRadius: 12,
offset: const Offset(0, -4),
),
],
),
child: SafeArea(
top: false,
child: Padding(
padding: EdgeInsets.fromLTRB(16, 16, 16, bottomPadding > 0 ? 8 : 16),
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
Container(
width: 32,
height: 4,
margin: const EdgeInsets.only(bottom: 16),
decoration: BoxDecoration(
color: colorScheme.outlineVariant,
borderRadius: BorderRadius.circular(2),
),
),
Row(
children: [
IconButton.filledTonal(
onPressed: _exitSelectionMode,
tooltip: MaterialLocalizations.of(
context,
).closeButtonTooltip,
icon: const Icon(Icons.close),
style: IconButton.styleFrom(
backgroundColor: colorScheme.surfaceContainerHighest,
),
),
const SizedBox(width: 12),
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
context.l10n.downloadedAlbumSelectedCount(
selectedCount,
),
style: Theme.of(context).textTheme.titleMedium
?.copyWith(fontWeight: FontWeight.bold),
),
Text(
allSelected
? context.l10n.downloadedAlbumAllSelected
: context.l10n.downloadedAlbumTapToSelect,
style: Theme.of(context).textTheme.bodySmall
?.copyWith(color: colorScheme.onSurfaceVariant),
),
],
),
),
TextButton.icon(
onPressed: () {
if (allSelected) {
_exitSelectionMode();
} else {
_selectAll(tracks);
}
},
icon: Icon(
allSelected ? Icons.deselect : Icons.select_all,
size: 20,
),
label: Text(
allSelected
? context.l10n.actionDeselect
: context.l10n.actionSelectAll,
),
style: TextButton.styleFrom(
foregroundColor: colorScheme.primary,
),
),
],
),
const SizedBox(height: 12),
Row(
children: [
Expanded(
child: _DownloadedAlbumSelectionActionButton(
icon: Icons.share_outlined,
label: context.l10n.selectionShareCount(selectedCount),
onPressed: selectedCount > 0
? () => _shareSelected(tracks)
: null,
colorScheme: colorScheme,
),
),
const SizedBox(width: 8),
Expanded(
child: _DownloadedAlbumSelectionActionButton(
icon: Icons.swap_horiz,
label: context.l10n.selectionConvertCount(selectedCount),
onPressed: selectedCount > 0
? () => _showBatchConvertSheet(context, tracks)
: null,
colorScheme: colorScheme,
),
),
],
),
const SizedBox(height: 8),
SizedBox(
width: double.infinity,
child: FilledButton.icon(
onPressed: selectedCount > 0
? () => _deleteSelected(tracks)
: null,
icon: const Icon(Icons.delete_outline),
label: Text(
selectedCount > 0
? context.l10n.downloadedAlbumDeleteCount(selectedCount)
: context.l10n.downloadedAlbumSelectToDelete,
),
style: FilledButton.styleFrom(
backgroundColor: selectedCount > 0
? colorScheme.error
: colorScheme.surfaceContainerHighest,
foregroundColor: selectedCount > 0
? colorScheme.onError
: colorScheme.onSurfaceVariant,
padding: const EdgeInsets.symmetric(vertical: 16),
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(16),
),
),
),
),
],
),
),
),
);
}
}
class _DownloadedAlbumSelectionActionButton extends StatelessWidget {
final IconData icon;
final String label;
final VoidCallback? onPressed;
final ColorScheme colorScheme;
const _DownloadedAlbumSelectionActionButton({
required this.icon,
required this.label,
required this.onPressed,
required this.colorScheme,
});
@override
Widget build(BuildContext context) {
final isDisabled = onPressed == null;
return Material(
color: isDisabled
? colorScheme.surfaceContainerHighest.withValues(alpha: 0.5)
: colorScheme.secondaryContainer,
borderRadius: BorderRadius.circular(14),
child: InkWell(
onTap: onPressed,
borderRadius: BorderRadius.circular(14),
child: Padding(
padding: const EdgeInsets.symmetric(vertical: 12, horizontal: 12),
child: Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Icon(
icon,
size: 18,
color: isDisabled
? colorScheme.onSurfaceVariant.withValues(alpha: 0.5)
: colorScheme.onSecondaryContainer,
),
const SizedBox(width: 6),
Flexible(
child: Text(
label,
maxLines: 1,
overflow: TextOverflow.ellipsis,
style: TextStyle(
fontSize: 13,
fontWeight: FontWeight.w600,
color: isDisabled
? colorScheme.onSurfaceVariant.withValues(alpha: 0.5)
: colorScheme.onSecondaryContainer,
),
),
),
],
),
),
),
);
}
}