Files
plezy/lib/screens/downloads/downloads_screen.dart
T
2025-12-12 15:57:22 +01:00

364 lines
12 KiB
Dart

import 'package:flutter/material.dart';
import 'package:plezy/widgets/app_icon.dart';
import 'package:material_symbols_icons/symbols.dart';
import 'package:provider/provider.dart';
import '../../models/plex_metadata.dart';
import '../../providers/download_provider.dart';
import '../../providers/multi_server_provider.dart';
import '../../providers/settings_provider.dart';
import '../../services/gamepad_service.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 '../../i18n/strings.g.dart';
class DownloadsScreen extends StatefulWidget {
const DownloadsScreen({super.key});
@override
State<DownloadsScreen> createState() => DownloadsScreenState();
}
class DownloadsScreenState extends State<DownloadsScreen>
with SingleTickerProviderStateMixin {
late TabController _tabController;
// 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');
/// When true, suppress auto-focus in tabs (used when navigating via tab bar)
bool _suppressAutoFocus = false;
@override
void initState() {
super.initState();
_tabController = TabController(length: 3, vsync: this);
_tabController.addListener(_onTabChanged);
// Register L1/R1 callbacks for tab navigation
GamepadService.onL1Pressed = _goToPreviousTab;
GamepadService.onR1Pressed = _goToNextTab;
}
@override
void dispose() {
_tabController.removeListener(_onTabChanged);
_tabController.dispose();
_queueTabChipFocusNode.dispose();
_tvShowsTabChipFocusNode.dispose();
_moviesTabChipFocusNode.dispose();
// Clear L1/R1 callbacks
GamepadService.onL1Pressed = null;
GamepadService.onR1Pressed = null;
super.dispose();
}
void _goToPreviousTab() {
if (_tabController.index > 0) {
setState(() {
_suppressAutoFocus = true;
_tabController.index = _tabController.index - 1;
});
_getTabChipFocusNode(_tabController.index).requestFocus();
}
}
void _goToNextTab() {
if (_tabController.index < _tabController.length - 1) {
setState(() {
_suppressAutoFocus = true;
_tabController.index = _tabController.index + 1;
});
_getTabChipFocusNode(_tabController.index).requestFocus();
}
}
void _onTabChanged() {
if (!_tabController.indexIsChanging) {
// Rebuild to update chip selection state
setState(() {});
}
}
/// Get the focus node for a tab chip by index
FocusNode _getTabChipFocusNode(int index) {
switch (index) {
case 0:
return _queueTabChipFocusNode;
case 1:
return _tvShowsTabChipFocusNode;
case 2:
return _moviesTabChipFocusNode;
default:
return _queueTabChipFocusNode;
}
}
/// Focus the currently selected tab chip in the tab bar.
/// Called when BACK is pressed in tab content.
void focusTabBar() {
setState(() {
_suppressAutoFocus = true;
});
final focusNode = _getTabChipFocusNode(_tabController.index);
focusNode.requestFocus();
}
/// Handle BACK from tab bar - navigate to sidenav
void _onTabBarBack() {
final focusScope = MainScreenFocusScope.of(context);
focusScope?.focusSidebar();
}
/// 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;
const tabCount = 3; // Queue, TV Shows, Movies
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();
}
: null,
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(
slivers: [
DesktopSliverAppBar(
title: _buildAppBarTitle(),
floating: true,
pinned: true,
backgroundColor: Theme.of(context).scaffoldBackgroundColor,
surfaceTintColor: Colors.transparent,
shadowColor: Colors.transparent,
scrolledUnderElevation: 0,
),
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, _) {
// Helper to get client from globalKey (serverId:ratingKey)
getClient(String globalKey) {
final serverId = globalKey.split(':').first;
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,
);
},
),
_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 StatelessWidget {
final DownloadType type;
final bool suppressAutoFocus;
final VoidCallback? onBack;
const _DownloadsGridContent({
required this.type,
required this.suppressAutoFocus,
this.onBack,
});
@override
Widget build(BuildContext context) {
return Consumer2<DownloadProvider, SettingsProvider>(
builder: (context, downloadProvider, settingsProvider, _) {
final List<PlexMetadata> items = type == DownloadType.tvShows
? downloadProvider.downloadedShows
: downloadProvider.downloadedMovies;
if (items.isEmpty) {
return _buildEmptyState(context);
}
return GridView.builder(
padding: const EdgeInsets.symmetric(horizontal: 8),
gridDelegate: MediaGridDelegate.createDelegate(
context: context,
density: settingsProvider.libraryDensity,
),
itemCount: items.length,
itemBuilder: (context, index) {
final item = items[index];
return FocusableMediaCard(
item: item,
onBack: onBack,
isOffline: true, // Downloaded content works without server
);
},
);
},
);
}
Widget _buildEmptyState(BuildContext context) {
return Center(
child: Padding(
padding: const EdgeInsets.all(32),
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
AppIcon(Symbols.download_rounded, fill: 1, size: 80, color: Theme.of(context).colorScheme.outline),
const SizedBox(height: 24),
Text(
t.downloads.noDownloads,
style: Theme.of(context).textTheme.titleLarge?.copyWith(
color: Theme.of(context).colorScheme.onSurface,
),
),
const SizedBox(height: 8),
Text(
t.downloads.noDownloadsDescription,
style: Theme.of(context).textTheme.bodyMedium?.copyWith(
color: Theme.of(context).colorScheme.onSurfaceVariant,
),
textAlign: TextAlign.center,
),
],
),
),
);
}
}