507 lines
18 KiB
Dart
507 lines
18 KiB
Dart
import 'dart:async';
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import 'package:flutter/material.dart';
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import 'package:material_symbols_icons/symbols.dart';
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import 'package:provider/provider.dart';
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import '../../focus/focusable_action_bar.dart';
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import '../../i18n/strings.g.dart';
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import '../../media/live_tv_support.dart';
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import '../../models/livetv_channel.dart';
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import '../../models/livetv_dvr.dart';
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import '../../mixins/refreshable.dart';
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import '../../mixins/tab_navigation_mixin.dart';
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import '../../providers/multi_server_provider.dart';
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import '../../services/settings_service.dart';
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import '../../widgets/settings_builder.dart';
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import '../../utils/app_logger.dart';
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import '../../utils/desktop_window_padding.dart';
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import '../../utils/platform_detector.dart';
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import '../../widgets/app_icon.dart';
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import '../../widgets/overlay_sheet.dart';
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import 'reorder_favorites_sheet.dart';
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import 'tabs/guide_tab.dart';
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import 'tabs/whats_on_tab.dart';
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enum LiveTvTab { guide, whatsOn }
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class LiveTvScreen extends StatefulWidget {
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const LiveTvScreen({super.key});
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@override
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State<LiveTvScreen> createState() => _LiveTvScreenState();
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}
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class _LiveTvScreenState extends State<LiveTvScreen>
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with TickerProviderStateMixin, TabNavigationMixin
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implements FocusableTab {
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final _guideTabFocusNode = FocusNode(debugLabel: 'tab_chip_guide');
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final _whatsOnTabFocusNode = FocusNode(debugLabel: 'tab_chip_whats_on');
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final _guideTabKey = GlobalKey<GuideTabState>();
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final _whatsOnTabKey = GlobalKey<WhatsOnTabState>();
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// App bar action bar
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final _actionBarKey = GlobalKey<FocusableActionBarState>();
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List<LiveTvChannel> _channels = [];
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bool _isLoading = true;
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String? _error;
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// Favorites
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bool _showFavoritesOnly = false;
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Set<String> _favoriteKeys = {};
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List<FavoriteChannel> _favoriteChannels = [];
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/// Source URI per Live TV server/DVR, built from machineIdentifier + EPG provider identifier.
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final Map<String, String> _favoriteSourceByLiveServer = {};
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final Map<String, String> _favoriteSourceByChannel = {};
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final Map<String, String> _favoriteStoreByLiveServer = {};
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final Map<String, String> _favoriteStoreByChannel = {};
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final Map<String, String> _favoriteStoreBySource = {};
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final Map<String, FavoriteChannelPersistenceMode> _favoriteModeByStore = {};
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List<LiveTvChannel> get _filteredChannels {
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if (!_showFavoritesOnly) return _channels;
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if (_favoriteKeys.isEmpty) return const [];
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final channelMap = {for (final c in _channels) _favoriteKeyForChannel(c): c};
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return [
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for (final fav in _favoriteChannels)
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if (channelMap.containsKey(fav.stableKey)) channelMap[fav.stableKey]!,
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];
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}
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String _liveServerScopeKey(LiveTvServerInfo serverInfo) => '${serverInfo.serverId}\u0000${serverInfo.dvrKey}';
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String _sourceForChannel(LiveTvChannel channel) {
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return channel.favoriteSource ?? _favoriteSourceByChannel[liveTvChannelScopeKey(channel)] ?? '';
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}
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String _favoriteKeyForChannel(LiveTvChannel channel) => favoriteChannelKey(_sourceForChannel(channel), channel.key);
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bool _isFavoriteChannel(LiveTvChannel channel) => _favoriteKeys.contains(_favoriteKeyForChannel(channel));
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void _refreshFavoriteKeys() {
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_favoriteKeys = _favoriteChannels.map((f) => f.stableKey).toSet();
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}
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@override
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List<FocusNode> get tabChipFocusNodes => [_guideTabFocusNode, _whatsOnTabFocusNode];
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@override
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void initState() {
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super.initState();
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suppressAutoFocus = true;
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_showFavoritesOnly = context.settingsRead(SettingsService.liveTvDefaultFavorites);
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initTabNavigation();
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_loadChannels();
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}
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@override
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void dispose() {
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_guideTabFocusNode.dispose();
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_whatsOnTabFocusNode.dispose();
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disposeTabNavigation();
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super.dispose();
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}
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@override
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void onTabChanged() {
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if (!tabController.indexIsChanging) {
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super.onTabChanged();
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// Pause/resume timers based on active tab
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switch (LiveTvTab.values[tabController.index]) {
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case LiveTvTab.guide:
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_whatsOnTabKey.currentState?.pauseRefresh();
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_guideTabKey.currentState?.resumeRefresh();
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case LiveTvTab.whatsOn:
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_guideTabKey.currentState?.pauseRefresh();
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_whatsOnTabKey.currentState?.resumeRefresh();
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}
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}
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}
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/// Extracts enabled channel keys from DVR mappings, returning null if no DVR has mapping data.
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Set<String>? _extractEnabledChannelKeys(List<LiveTvDvr> dvrs) {
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final enabledKeys = <String>{};
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bool hasMappings = false;
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for (final dvr in dvrs) {
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if (dvr.channelMappings.isEmpty) continue;
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hasMappings = true;
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for (final m in dvr.channelMappings) {
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if (m.enabled == true && m.channelKey != null) {
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enabledKeys.add(m.channelKey!);
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}
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}
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}
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return hasMappings ? enabledKeys : null;
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}
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Set<String>? _extractEnabledChannelKeysForServerInfo(LiveTvServerInfo serverInfo) {
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final matching = serverInfo.dvrs.where((dvr) => dvr.key == serverInfo.dvrKey).toList();
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return _extractEnabledChannelKeys(matching.isNotEmpty ? matching : serverInfo.dvrs);
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}
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Future<void> _loadChannels() async {
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if (!mounted) return;
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setState(() {
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_isLoading = true;
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_error = null;
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});
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try {
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final multiServer = context.read<MultiServerProvider>();
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final liveTvServers = multiServer.liveTvServers;
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if (liveTvServers.isEmpty) {
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setState(() {
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_isLoading = false;
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_error = t.liveTv.noDvr;
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});
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return;
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}
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final allChannels = <LiveTvChannel>[];
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final seenChannels = <String>{};
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_favoriteSourceByLiveServer.clear();
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_favoriteSourceByChannel.clear();
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_favoriteStoreByLiveServer.clear();
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_favoriteStoreByChannel.clear();
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_favoriteStoreBySource.clear();
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_favoriteModeByStore.clear();
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appLogger.d(
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'Live TV DVRs: ${liveTvServers.map((s) => '${s.serverId}/${s.dvrKey} lineup=${s.lineup}').join(', ')}',
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);
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// Build a set of enabled channel keys per Live TV DVR from cached DVR data.
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final enabledKeysByLiveServer = <String, Set<String>>{};
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for (final serverInfo in liveTvServers) {
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final enabledKeys = _extractEnabledChannelKeysForServerInfo(serverInfo);
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if (enabledKeys != null) {
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enabledKeysByLiveServer[_liveServerScopeKey(serverInfo)] = enabledKeys;
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}
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}
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for (final serverInfo in liveTvServers) {
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try {
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final genericClient = multiServer.getClientForServer(serverInfo.serverId);
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if (genericClient == null) continue;
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final liveTv = genericClient.liveTv;
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final source = await liveTv.buildFavoriteChannelSource(lineup: serverInfo.lineup);
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final storeKey = liveTv.favoriteStoreKey;
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final liveServerKey = _liveServerScopeKey(serverInfo);
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_favoriteSourceByLiveServer[liveServerKey] = source;
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_favoriteStoreByLiveServer[liveServerKey] = storeKey;
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_favoriteStoreBySource[source] = storeKey;
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_favoriteModeByStore[storeKey] = liveTv.favoritePersistenceMode;
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final channels = await genericClient.liveTv.fetchChannels(lineup: serverInfo.lineup);
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// Plex's DVR exposes a separate enabled-channel mapping; Jellyfin
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// already filters to subscribed channels server-side.
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final enabledKeys = enabledKeysByLiveServer[liveServerKey];
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appLogger.d(
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'Channels from ${serverInfo.dvrKey}: ${channels.length} channels (${enabledKeys?.length ?? 'all'} enabled)',
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);
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for (final channel in channels) {
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if (enabledKeys != null && !enabledKeys.contains(channel.key)) continue;
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final scopedChannel = channel.copyWith(
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liveDvrKey: serverInfo.dvrKey,
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favoriteSource: source,
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favoriteStoreKey: storeKey,
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);
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final dedupKey = liveTvChannelScopeKey(scopedChannel);
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if (seenChannels.add(dedupKey)) {
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final scopeKey = liveTvChannelScopeKey(scopedChannel);
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_favoriteSourceByChannel[scopeKey] = source;
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_favoriteStoreByChannel[scopeKey] = storeKey;
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allChannels.add(scopedChannel);
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}
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}
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} catch (e) {
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appLogger.e('Failed to load channels from server ${serverInfo.serverId}', error: e);
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}
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}
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allChannels.sort((a, b) {
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final aNum = double.tryParse(a.number ?? '') ?? 999999;
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final bNum = double.tryParse(b.number ?? '') ?? 999999;
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return aNum.compareTo(bNum);
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});
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if (!mounted) return;
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appLogger.d('Live TV: loaded ${allChannels.length} channels');
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setState(() {
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_channels = allChannels;
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_isLoading = false;
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});
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// Load favorites by backend store: Plex is cloud/account-scoped, Jellyfin per server.
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unawaited(_loadFavorites(multiServer));
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if (allChannels.isNotEmpty && PlatformDetector.shouldUseSideNavigation(context)) {
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WidgetsBinding.instance.addPostFrameCallback((_) {
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if (mounted) _focusCurrentTab();
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});
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}
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} catch (e) {
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appLogger.e('Failed to load Live TV channels', error: e);
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if (mounted) {
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setState(() {
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_isLoading = false;
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_error = e.toString();
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});
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}
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}
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}
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Future<void> _loadFavorites(MultiServerProvider multiServer) async {
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try {
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_favoriteSourceByLiveServer.clear();
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_favoriteStoreBySource.clear();
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_favoriteModeByStore.clear();
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final merged = <FavoriteChannel>[];
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final fetchedStores = <String>{};
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final seenFavorites = <String>{};
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for (final serverInfo in multiServer.liveTvServers) {
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final client = multiServer.getClientForServer(serverInfo.serverId);
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if (client == null) continue;
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final liveTv = client.liveTv;
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final source = await liveTv.buildFavoriteChannelSource(lineup: serverInfo.lineup);
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final storeKey = liveTv.favoriteStoreKey;
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final liveServerKey = _liveServerScopeKey(serverInfo);
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_favoriteSourceByLiveServer[liveServerKey] = source;
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_favoriteStoreByLiveServer[liveServerKey] = storeKey;
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_favoriteStoreBySource[source] = storeKey;
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_favoriteModeByStore[storeKey] = liveTv.favoritePersistenceMode;
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if (!fetchedStores.add(storeKey)) continue;
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final serverFavorites = await liveTv.fetchFavoriteChannels();
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for (final favorite in serverFavorites) {
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_favoriteStoreBySource[favorite.source] = storeKey;
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if (seenFavorites.add(favorite.stableKey)) merged.add(favorite);
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}
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}
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if (!mounted) return;
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setState(() {
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_favoriteChannels = merged;
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_refreshFavoriteKeys();
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});
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appLogger.d('Live TV: loaded ${merged.length} favorite channels');
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} catch (e) {
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appLogger.e('Failed to load favorite channels', error: e);
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}
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}
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void _toggleFavoritesFilter() {
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setState(() {
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_showFavoritesOnly = !_showFavoritesOnly;
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});
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}
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void _toggleFavorite(LiveTvChannel channel) {
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final source = _sourceForChannel(channel);
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final favoriteKey = favoriteChannelKey(source, channel.key);
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final scopeKey = liveTvChannelScopeKey(channel);
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final storeKey = channel.favoriteStoreKey ?? _favoriteStoreByChannel[scopeKey];
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if (storeKey != null) _favoriteStoreBySource[source] = storeKey;
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setState(() {
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if (_favoriteKeys.contains(favoriteKey)) {
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_favoriteChannels = _favoriteChannels.where((f) => f.id != channel.key || f.source != source).toList();
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} else {
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_favoriteChannels = [..._favoriteChannels, FavoriteChannel.fromLiveTvChannel(channel, source)];
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}
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_refreshFavoriteKeys();
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});
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_persistFavorites();
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}
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void _showReorderFavorites() {
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final channelMap = {for (final c in _channels) _favoriteKeyForChannel(c): c};
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OverlaySheetController.showAdaptive(
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context,
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builder: (sheetContext) => ReorderFavoritesSheet(
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favorites: List.from(_favoriteChannels),
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channelMap: channelMap,
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onReorder: (reordered) {
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setState(() {
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_favoriteChannels = reordered;
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_refreshFavoriteKeys();
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});
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_persistFavorites();
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},
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onRemove: (removed) {
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setState(() {
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_favoriteChannels = _favoriteChannels.where((f) => f.stableKey != removed.stableKey).toList();
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_refreshFavoriteKeys();
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});
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_persistFavorites();
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},
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),
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);
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}
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void _persistFavorites() {
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final multiServer = context.read<MultiServerProvider>();
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final byStore = <String, List<FavoriteChannel>>{};
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for (final f in _favoriteChannels) {
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final storeKey = _favoriteStoreBySource[f.source];
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if (storeKey == null) continue;
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byStore.putIfAbsent(storeKey, () => []).add(f);
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}
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final writtenStores = <String>{};
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for (final serverInfo in multiServer.liveTvServers) {
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final client = multiServer.getClientForServer(serverInfo.serverId);
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if (client == null) continue;
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final liveServerKey = _liveServerScopeKey(serverInfo);
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final storeKey = _favoriteStoreByLiveServer[liveServerKey];
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if (storeKey == null || !writtenStores.add(storeKey)) continue;
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final mode = _favoriteModeByStore[storeKey] ?? client.liveTv.favoritePersistenceMode;
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final source = _favoriteSourceByLiveServer[liveServerKey];
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if (source == null) continue; // not yet resolved — skip; next toggle will catch up
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final channels = switch (mode) {
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FavoriteChannelPersistenceMode.sharedFullList => byStore[storeKey] ?? const <FavoriteChannel>[],
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FavoriteChannelPersistenceMode.serverSlice =>
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(byStore[storeKey] ?? const <FavoriteChannel>[]).where((f) => f.source == source).toList(),
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};
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unawaited(client.liveTv.setFavoriteChannels(channels));
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}
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}
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void _focusCurrentTab() {
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switch (LiveTvTab.values[tabController.index]) {
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case LiveTvTab.guide:
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_guideTabKey.currentState?.focusContent();
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case LiveTvTab.whatsOn:
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_whatsOnTabKey.currentState?.focusFirstHub();
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}
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setState(() {
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suppressAutoFocus = false;
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});
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}
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@override
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void focusActiveTabIfReady() => _focusCurrentTab();
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String _getTabLabel(LiveTvTab tab) {
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return switch (tab) {
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LiveTvTab.guide => t.liveTv.guide,
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LiveTvTab.whatsOn => t.liveTv.whatsOn,
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};
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}
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List<Widget> _buildTabChipItems() {
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return [
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for (int i = 0; i < LiveTvTab.values.length; i++) ...[
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if (i > 0) const SizedBox(width: 8),
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buildTabChip(
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_getTabLabel(LiveTvTab.values[i]),
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i,
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onSelectWhenActive: _focusCurrentTab,
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onNavigateDown: _focusCurrentTab,
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onNavigateRightFromLast: () => _actionBarKey.currentState?.requestFocusOnFirst(),
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),
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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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final theme = Theme.of(context);
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final useSideNav = PlatformDetector.shouldUseSideNavigation(context);
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return Scaffold(
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appBar: AppBar(
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title: useSideNav ? Row(children: _buildTabChipItems()) : Text(t.liveTv.title),
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actions: DesktopAppBarHelper.buildAdjustedActions([
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FocusableActionBar(
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key: _actionBarKey,
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onNavigateLeft: () => getTabChipFocusNode(tabCount - 1).requestFocus(),
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onNavigateDown: _focusCurrentTab,
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actions: [
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FocusableAction(
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icon: _showFavoritesOnly ? Symbols.star_rounded : Symbols.star_outline_rounded,
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iconFill: _showFavoritesOnly ? 1.0 : 0.0,
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tooltip: t.liveTv.favorites,
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onPressed: _toggleFavoritesFilter,
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),
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if (_showFavoritesOnly && _favoriteChannels.length > 1)
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FocusableAction(
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icon: Symbols.swap_vert_rounded,
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tooltip: t.liveTv.reorderFavorites,
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onPressed: _showReorderFavorites,
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),
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FocusableAction(icon: Symbols.refresh_rounded, tooltip: t.liveTv.reloadGuide, onPressed: _loadChannels),
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],
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),
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]),
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),
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body: _buildLiveTvBody(theme, useSideNav),
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);
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}
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Widget _buildLiveTvBody(ThemeData theme, bool useSideNav) {
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if (_isLoading) {
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return const Center(child: CircularProgressIndicator());
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}
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if (_error != null) {
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return Center(
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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AppIcon(Symbols.error_rounded, size: 48, color: theme.colorScheme.error),
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const SizedBox(height: 16),
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Text(_error!, style: theme.textTheme.bodyLarge),
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const SizedBox(height: 16),
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FilledButton.icon(
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onPressed: _loadChannels,
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icon: const AppIcon(Symbols.refresh_rounded),
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label: Text(t.common.retry),
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),
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],
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),
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);
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}
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if (_channels.isEmpty) {
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return Center(child: Text(t.liveTv.noChannels));
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}
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final guideChannels = _filteredChannels;
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return Column(
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children: [
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if (!useSideNav)
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Container(
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padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
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alignment: Alignment.centerLeft,
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child: SingleChildScrollView(
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scrollDirection: Axis.horizontal,
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child: Row(children: _buildTabChipItems()),
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),
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),
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Expanded(
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child: TabBarView(
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controller: tabController,
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children: [
|
|
GuideTab(
|
|
key: _guideTabKey,
|
|
channels: guideChannels,
|
|
isFavoriteChannel: _isFavoriteChannel,
|
|
onToggleFavorite: _toggleFavorite,
|
|
onNavigateUp: focusTabBar,
|
|
onBack: onTabBarBack,
|
|
),
|
|
WhatsOnTab(key: _whatsOnTabKey, channels: _channels, onNavigateUp: focusTabBar, onBack: onTabBarBack),
|
|
],
|
|
),
|
|
),
|
|
],
|
|
);
|
|
}
|
|
}
|