Files
plezy/lib/screens/downloads/downloads_screen.dart
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2026-05-01 01:20:36 +02:00

352 lines
13 KiB
Dart

import 'package:flutter/material.dart';
import 'package:material_symbols_icons/symbols.dart';
import 'package:provider/provider.dart';
import '../../focus/focusable_action_bar.dart';
import '../../media/media_item.dart';
import '../../providers/download_provider.dart';
import '../../providers/multi_server_provider.dart';
import '../../providers/settings_provider.dart';
import '../../utils/global_key_utils.dart';
import '../../mixins/tab_navigation_mixin.dart';
import '../../utils/grid_size_calculator.dart';
import '../../utils/platform_detector.dart';
import '../../widgets/desktop_app_bar.dart';
import '../../widgets/focusable_tab_chip.dart';
import '../../widgets/focusable_media_card.dart';
import '../../widgets/media_grid_delegate.dart';
import '../../widgets/download_tree_view.dart';
import '../main_screen.dart';
import '../libraries/state_messages.dart';
import '../../i18n/strings.g.dart';
import 'sync_rules_screen.dart';
class DownloadsScreen extends StatefulWidget {
const DownloadsScreen({super.key});
@override
State<DownloadsScreen> createState() => DownloadsScreenState();
}
class DownloadsScreenState extends State<DownloadsScreen> with TickerProviderStateMixin, TabNavigationMixin {
// Focus nodes for tab chips
final _queueTabChipFocusNode = FocusNode(debugLabel: 'tab_chip_queue');
final _tvShowsTabChipFocusNode = FocusNode(debugLabel: 'tab_chip_tv_shows');
final _moviesTabChipFocusNode = FocusNode(debugLabel: 'tab_chip_movies');
final _actionBarKey = GlobalKey<FocusableActionBarState>();
@override
List<FocusNode> get tabChipFocusNodes => [_queueTabChipFocusNode, _tvShowsTabChipFocusNode, _moviesTabChipFocusNode];
@override
void initState() {
super.initState();
suppressAutoFocus = true; // Start suppressed
initTabNavigation();
}
@override
void dispose() {
_queueTabChipFocusNode.dispose();
_tvShowsTabChipFocusNode.dispose();
_moviesTabChipFocusNode.dispose();
disposeTabNavigation();
super.dispose();
}
@override
void onTabChanged() {
if (!tabController.indexIsChanging) {
super.onTabChanged();
}
}
/// Focus the first item in the currently active tab
void _focusCurrentTab() {
// Re-enable auto-focus since user is navigating into tab content
setState(() {
suppressAutoFocus = false;
});
WidgetsBinding.instance.addPostFrameCallback((_) {
if (!mounted) return;
// Focus will be handled by the tab content
});
}
Widget _buildTabChip(String label, int index) {
final isSelected = tabController.index == index;
return FocusableTabChip(
label: label,
isSelected: isSelected,
focusNode: getTabChipFocusNode(index),
onSelect: () {
if (isSelected) {
// Already selected - navigate to tab content
_focusCurrentTab();
} else {
// Switch to this tab
setState(() {
tabController.index = index;
});
}
},
onNavigateLeft: index > 0
? () {
final newIndex = index - 1;
setState(() {
suppressAutoFocus = true;
tabController.index = newIndex;
});
getTabChipFocusNode(newIndex).requestFocus();
}
: onTabBarBack,
onNavigateRight: index < tabCount - 1
? () {
final newIndex = index + 1;
setState(() {
suppressAutoFocus = true;
tabController.index = newIndex;
});
getTabChipFocusNode(newIndex).requestFocus();
}
: null,
onNavigateDown: _focusCurrentTab,
onBack: onTabBarBack,
);
}
/// Build the app bar title - either tabs on desktop or simple title on mobile
Widget _buildAppBarTitle() {
// On desktop/TV with side nav, show tabs in app bar
if (PlatformDetector.shouldUseSideNavigation(context)) {
return Row(
children: [
_buildTabChip(t.downloads.manage, 0),
const SizedBox(width: 8),
_buildTabChip(t.downloads.tvShows, 1),
const SizedBox(width: 8),
_buildTabChip(t.downloads.movies, 2),
],
);
}
// On mobile, show simple title
return Text(t.downloads.title);
}
@override
Widget build(BuildContext context) {
return Scaffold(
body: CustomScrollView(
primary: false,
slivers: [
DesktopSliverAppBar(
title: _buildAppBarTitle(),
floating: true,
pinned: true,
backgroundColor: Theme.of(context).scaffoldBackgroundColor,
surfaceTintColor: Colors.transparent,
shadowColor: Colors.transparent,
scrolledUnderElevation: 0,
actions: [
FocusableActionBar(
key: _actionBarKey,
onNavigateLeft: () => getTabChipFocusNode(tabCount - 1).requestFocus(),
onNavigateDown: _focusCurrentTab,
actions: [
FocusableAction(
icon: Symbols.sync_rounded,
tooltip: t.downloads.activeSyncRules,
onPressed: () =>
Navigator.push(context, MaterialPageRoute(builder: (_) => const SyncRulesScreen())),
),
],
),
],
),
SliverFillRemaining(
child: Column(
children: [
// Tab selector chips (only on mobile - desktop has them in app bar)
if (!PlatformDetector.shouldUseSideNavigation(context))
Container(
padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
alignment: Alignment.centerLeft,
child: SingleChildScrollView(
scrollDirection: Axis.horizontal,
child: Row(
children: [
_buildTabChip(t.downloads.manage, 0),
const SizedBox(width: 8),
_buildTabChip(t.downloads.tvShows, 1),
const SizedBox(width: 8),
_buildTabChip(t.downloads.movies, 2),
],
),
),
),
// Tab content
Expanded(
child: TabBarView(
controller: tabController,
children: [
Consumer2<DownloadProvider, MultiServerProvider>(
builder: (context, downloadProvider, serverProvider, _) {
// Resolve the owning server's client from a download's
// globalKey (`serverId:ratingKey`). Backend-neutral —
// Jellyfin downloads also surface here, so the
// resume/retry buttons need a [MediaServerClient]
// (not a [PlexClient]) for both code paths.
getClient(String globalKey) {
final serverId = parseGlobalKey(globalKey)?.serverId ?? globalKey;
return serverProvider.serverManager.getClient(serverId);
}
return DownloadTreeView(
downloads: downloadProvider.downloads,
metadata: downloadProvider.metadata,
onPause: downloadProvider.pauseDownload,
onResume: (globalKey) {
final client = getClient(globalKey);
if (client != null) {
downloadProvider.resumeDownload(globalKey, client);
}
},
onRetry: (globalKey) {
final client = getClient(globalKey);
if (client != null) {
downloadProvider.retryDownload(globalKey, client);
}
},
onCancel: downloadProvider.cancelDownload,
onDelete: downloadProvider.deleteDownload,
onNavigateLeft: () => MainScreenFocusScope.of(context)?.focusSidebar(),
onBack: focusTabBar,
suppressAutoFocus: suppressAutoFocus,
);
},
),
_DownloadsGridContent(
type: DownloadType.tvShows,
suppressAutoFocus: suppressAutoFocus,
onBack: focusTabBar,
),
_DownloadsGridContent(
type: DownloadType.movies,
suppressAutoFocus: suppressAutoFocus,
onBack: focusTabBar,
),
],
),
),
],
),
),
],
),
);
}
}
enum DownloadType { manage, tvShows, movies }
/// Grid content for TV Shows and Movies tabs
class _DownloadsGridContent extends StatefulWidget {
final DownloadType type;
final bool suppressAutoFocus;
final VoidCallback? onBack;
const _DownloadsGridContent({required this.type, required this.suppressAutoFocus, this.onBack});
@override
State<_DownloadsGridContent> createState() => _DownloadsGridContentState();
}
class _DownloadsGridContentState extends State<_DownloadsGridContent> {
final FocusNode _firstItemFocusNode = FocusNode(debugLabel: 'DownloadsGrid_firstItem');
@override
void dispose() {
_firstItemFocusNode.dispose();
super.dispose();
}
@override
void didUpdateWidget(_DownloadsGridContent oldWidget) {
super.didUpdateWidget(oldWidget);
// When suppressAutoFocus changes from true to false, focus the first item
if (oldWidget.suppressAutoFocus && !widget.suppressAutoFocus) {
WidgetsBinding.instance.addPostFrameCallback((_) {
if (mounted && _firstItemFocusNode.canRequestFocus) {
_firstItemFocusNode.requestFocus();
}
});
}
}
/// Navigate focus to the sidebar
void _navigateToSidebar() {
MainScreenFocusScope.of(context)?.focusSidebar();
}
@override
Widget build(BuildContext context) {
return Consumer2<DownloadProvider, SettingsProvider>(
builder: (context, downloadProvider, settingsProvider, _) {
final List<MediaItem> items = widget.type == DownloadType.tvShows
? downloadProvider.downloadedShows
: downloadProvider.downloadedMovies;
if (items.isEmpty) {
return _buildEmptyState();
}
// Extra top padding for focus decoration (scale + border extends beyond item bounds)
const effectivePadding = EdgeInsets.only(left: 8, right: 8, top: 8);
final maxCrossAxisExtent = GridSizeCalculator.getMaxCrossAxisExtent(context, settingsProvider.libraryDensity);
// Use LayoutBuilder to get actual available width (accounting for sidebar)
return LayoutBuilder(
builder: (context, constraints) {
final availableWidth = constraints.maxWidth - effectivePadding.left - effectivePadding.right;
final columnCount = GridSizeCalculator.getColumnCount(availableWidth, maxCrossAxisExtent);
return GridView.builder(
padding: effectivePadding,
// Allow focus decoration to render outside scroll bounds
clipBehavior: Clip.none,
gridDelegate: MediaGridDelegate.createDelegate(
context: context,
density: settingsProvider.libraryDensity,
),
itemCount: items.length,
itemBuilder: (context, index) {
final item = items[index];
final isFirstColumn = GridSizeCalculator.isFirstColumn(index, columnCount);
final isFirst = index == 0;
return FocusableMediaCard(
item: item,
focusNode: isFirst ? _firstItemFocusNode : null,
onBack: widget.onBack,
isOffline: true, // Downloaded content works without server
onNavigateLeft: isFirstColumn ? _navigateToSidebar : null,
);
},
);
},
);
},
);
}
Widget _buildEmptyState() {
return EmptyStateWidget(
message: t.downloads.noDownloads,
subtitle: t.downloads.noDownloadsDescription,
icon: Symbols.download_rounded,
iconSize: 80,
);
}
}