edde746
cc30bee83a
Replace duplicated focusable action button pattern across 8 screens with a shared FocusableActionBar widget that handles focus nodes, D-pad navigation, back key, and focus decoration automatically.
345 lines
11 KiB
Dart
345 lines
11 KiB
Dart
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/dpad_navigator.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 '../../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 '../../utils/app_logger.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/focusable_tab_chip.dart';
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import 'tabs/guide_tab.dart';
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import 'tabs/whats_on_tab.dart';
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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 SingleTickerProviderStateMixin, 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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@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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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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if (tabController.index == 0) {
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_whatsOnTabKey.currentState?.pauseRefresh();
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_guideTabKey.currentState?.resumeRefresh();
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} else {
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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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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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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 server from DVR mappings
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final enabledKeysByServer = <String, Set<String>>{};
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final queriedServers = <String>{};
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for (final serverInfo in liveTvServers) {
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if (!queriedServers.add(serverInfo.serverId)) continue;
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try {
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final client = multiServer.getClientForServer(serverInfo.serverId);
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if (client == null) continue;
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final dvrs = await client.getDvrs();
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final enabledKeys = _extractEnabledChannelKeys(dvrs);
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if (enabledKeys != null) {
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enabledKeysByServer[serverInfo.serverId] = enabledKeys;
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}
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} catch (e) {
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appLogger.e('Failed to load DVR mappings for server ${serverInfo.serverId}', error: e);
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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 client = multiServer.getClientForServer(serverInfo.serverId);
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if (client == null) continue;
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final channels = await client.getEpgChannels(lineup: serverInfo.lineup);
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final enabledKeys = enabledKeysByServer[serverInfo.serverId];
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appLogger.d(
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'Channels from DVR ${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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// Skip disabled channels if DVR has mapping data
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if (enabledKeys != null && !enabledKeys.contains(channel.key)) continue;
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final dedupKey = '${serverInfo.serverId}:${channel.key}';
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if (seenChannels.add(dedupKey)) {
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allChannels.add(channel);
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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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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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void _focusCurrentTab() {
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if (tabController.index == 0) {
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_guideTabKey.currentState?.focusContent();
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} else if (tabController.index == 1) {
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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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// ---------------------------------------------------------------------------
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// Tab chips
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// ---------------------------------------------------------------------------
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Widget _buildTabChip(String label, int index) {
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final isSelected = tabController.index == index;
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return FocusableTabChip(
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label: label,
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isSelected: isSelected,
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focusNode: getTabChipFocusNode(index),
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onSelect: () {
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if (isSelected) {
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_focusCurrentTab();
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} else {
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setState(() {
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tabController.index = index;
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});
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}
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},
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onNavigateLeft: index > 0
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? () {
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final newIndex = index - 1;
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setState(() {
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suppressAutoFocus = true;
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tabController.index = newIndex;
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});
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getTabChipFocusNode(newIndex).requestFocus();
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}
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: onTabBarBack,
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onNavigateRight: index < tabCount - 1
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? () {
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final newIndex = index + 1;
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setState(() {
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suppressAutoFocus = true;
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tabController.index = newIndex;
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});
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getTabChipFocusNode(newIndex).requestFocus();
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}
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: () => _actionBarKey.currentState?.getFocusNode(0).requestFocus(),
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onNavigateDown: _focusCurrentTab,
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onBack: onTabBarBack,
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);
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}
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// ---------------------------------------------------------------------------
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// Build
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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
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? Row(
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children: [
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_buildTabChip(t.liveTv.guide, 0),
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const SizedBox(width: 8),
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_buildTabChip(t.liveTv.whatsOn, 1),
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],
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)
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: Text(t.liveTv.title),
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actions: [
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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: Symbols.refresh_rounded,
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tooltip: t.liveTv.reloadGuide,
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onPressed: _loadChannels,
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),
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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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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(
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children: [
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_buildTabChip(t.liveTv.guide, 0),
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const SizedBox(width: 8),
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_buildTabChip(t.liveTv.whatsOn, 1),
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],
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),
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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: [
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GuideTab(key: _guideTabKey, channels: _channels, onNavigateUp: focusTabBar, onBack: onTabBarBack),
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WhatsOnTab(key: _whatsOnTabKey, channels: _channels, onNavigateUp: focusTabBar, onBack: onTabBarBack),
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],
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),
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),
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],
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);
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}
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}
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