516 lines
18 KiB
Dart
516 lines
18 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:material_symbols_icons/symbols.dart';
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import '../../../media/media_source_info.dart';
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import '../../../mpv/mpv.dart';
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import '../../../i18n/strings.g.dart';
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import '../../../utils/scroll_utils.dart';
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import '../../../utils/track_label_builder.dart';
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import '../../../widgets/app_icon.dart';
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import '../../../widgets/focusable_list_tile.dart';
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import '../../../widgets/overlay_sheet.dart';
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import 'base_video_control_sheet.dart';
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import 'sheet_column_header.dart';
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import 'subtitle_search_sheet.dart';
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import '../models/track_controls_state.dart';
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import '../helpers/track_filter_helper.dart';
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import '../helpers/track_selection_helper.dart';
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/// Combined bottom sheet for selecting audio and subtitle tracks side-by-side.
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class TrackSheet extends StatelessWidget {
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final Player player;
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final TrackControlsState trackControlsState;
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const TrackSheet({super.key, required this.player, required this.trackControlsState});
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@override
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Widget build(BuildContext context) {
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return StreamBuilder<Tracks>(
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stream: player.streams.tracks,
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initialData: player.state.tracks,
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builder: (context, tracksSnapshot) {
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final tracks = tracksSnapshot.data;
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final playerAudioTracks = TrackFilterHelper.extractAndFilterTracks<AudioTrack>(tracks, (t) => t?.audio ?? []);
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final subtitleTracks = TrackFilterHelper.extractAndFilterTracks<SubtitleTrack>(
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tracks,
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(t) => t?.subtitle ?? [],
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);
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final state = trackControlsState;
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final hasExternalSourceAudio = state.sourceAudioTracks.any((track) => track.isExternal);
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final useSourceAudio =
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(state.isTranscoding || hasExternalSourceAudio) &&
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state.sourceAudioTracks.length > 1 &&
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state.onSwitchAudioStreamId != null;
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final useSourceSubtitles = state.canUseSourceSubtitles;
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final showAudio = useSourceAudio || playerAudioTracks.length > 1;
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final showSubtitles = state.hasSubtitleControls(tracks);
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final String title;
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final IconData icon;
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if (showAudio && showSubtitles) {
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title = t.videoControls.tracksButton;
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icon = Symbols.subtitles_rounded;
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} else if (showAudio) {
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title = t.videoControls.audioLabel;
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icon = Symbols.audiotrack_rounded;
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} else {
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title = t.videoControls.subtitlesLabel;
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icon = Symbols.subtitles_rounded;
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}
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return BaseVideoControlSheet(
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title: title,
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icon: icon,
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child: StreamBuilder<TrackSelection>(
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stream: player.streams.track,
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initialData: player.state.track,
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builder: (context, selSnapshot) {
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final selection = selSnapshot.data ?? player.state.track;
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final supportsSecondary = player.supportsSecondarySubtitles;
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Widget audioColumnFor(TrackSelection sel, bool showHeader) {
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if (useSourceAudio) {
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return _SourceAudioColumn(
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tracks: state.sourceAudioTracks,
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selectedStreamId: state.selectedAudioStreamId,
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onSelected: state.onSwitchAudioStreamId!,
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showHeader: showHeader,
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);
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}
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return _AudioColumn(
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tracks: playerAudioTracks,
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selection: sel,
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player: player,
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onTrackChanged: state.onAudioTrackChanged,
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showHeader: showHeader,
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);
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}
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Widget subtitleColumnFor(TrackSelection sel, bool showHeader) {
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if (useSourceSubtitles) {
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return _SourceSubtitleColumn(
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tracks: state.sourceSubtitleTracks,
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trackControlsState: state,
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showHeader: showHeader,
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);
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}
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return _SubtitleColumn(
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tracks: subtitleTracks,
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selection: sel,
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player: player,
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supportsSecondary: supportsSecondary,
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showHeader: showHeader,
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trackControlsState: state,
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);
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}
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if (showAudio && showSubtitles) {
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return Row(
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crossAxisAlignment: .start,
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children: [
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Expanded(child: FocusTraversalGroup(child: audioColumnFor(selection, true))),
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VerticalDivider(width: 1, color: Theme.of(context).dividerColor),
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Expanded(child: FocusTraversalGroup(child: subtitleColumnFor(selection, true))),
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],
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);
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}
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if (showAudio) {
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return audioColumnFor(selection, false);
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}
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return subtitleColumnFor(selection, false);
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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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class _SourceAudioColumn extends StatefulWidget {
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final List<MediaAudioTrack> tracks;
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final int? selectedStreamId;
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final ValueChanged<int> onSelected;
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final bool showHeader;
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const _SourceAudioColumn({
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required this.tracks,
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required this.selectedStreamId,
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required this.onSelected,
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required this.showHeader,
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});
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@override
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State<_SourceAudioColumn> createState() => _SourceAudioColumnState();
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}
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class _SourceAudioColumnState extends State<_SourceAudioColumn> {
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final _initialScroll = InitialItemScrollController();
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@override
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void dispose() {
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_initialScroll.dispose();
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super.dispose();
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}
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@override
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Widget build(BuildContext context) {
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final selectedId = _effectiveSelectedStreamId();
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final selectedIndex = selectedId == null ? null : widget.tracks.indexWhere((t) => t.id == selectedId);
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_initialScroll.maybeScrollTo(selectedIndex);
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return Column(
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children: [
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if (widget.showHeader) SheetColumnHeader(label: t.videoControls.audioLabel),
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Expanded(
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child: ListView.builder(
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controller: _initialScroll.controller,
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itemCount: widget.tracks.length,
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itemBuilder: (context, index) {
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final track = widget.tracks[index];
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final isSelected = track.id == selectedId;
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return TrackSelectionHelper.buildTrackTile<AudioTrack>(
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context: context,
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key: index == 0 ? _initialScroll.firstItemKey : null,
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label: track.label,
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isSelected: isSelected,
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onTap: () {
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OverlaySheetController.of(context).close();
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widget.onSelected(track.id);
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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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}
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int? _effectiveSelectedStreamId() {
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final explicit = widget.selectedStreamId;
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if (explicit != null && widget.tracks.any((track) => track.id == explicit)) return explicit;
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for (final track in widget.tracks) {
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if (track.selected) return track.id;
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}
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return null;
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}
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}
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class _SourceSubtitleColumn extends StatefulWidget {
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final List<MediaSubtitleTrack> tracks;
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final TrackControlsState trackControlsState;
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final bool showHeader;
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const _SourceSubtitleColumn({required this.tracks, required this.trackControlsState, required this.showHeader});
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@override
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State<_SourceSubtitleColumn> createState() => _SourceSubtitleColumnState();
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}
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class _SourceSubtitleColumnState extends State<_SourceSubtitleColumn> {
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final _initialScroll = InitialItemScrollController();
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@override
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void dispose() {
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_initialScroll.dispose();
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super.dispose();
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}
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@override
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Widget build(BuildContext context) {
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final selectedId = _effectiveSelectedStreamId();
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final selectedIndex = selectedId == 0 ? 0 : widget.tracks.indexWhere((t) => t.id == selectedId) + 1;
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_initialScroll.maybeScrollTo(selectedIndex);
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return Column(
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children: [
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if (widget.showHeader) SheetColumnHeader(label: t.videoControls.subtitlesLabel),
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Expanded(
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child: ListView.builder(
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controller: _initialScroll.controller,
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itemCount: widget.tracks.length + 1,
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itemBuilder: (context, index) {
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if (index == 0) {
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return TrackSelectionHelper.buildOffTile<SubtitleTrack>(
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context: context,
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key: _initialScroll.firstItemKey,
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isSelected: selectedId == 0,
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onTap: () {
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OverlaySheetController.of(context).close();
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widget.trackControlsState.onSwitchSubtitleStreamId!(0);
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},
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);
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}
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final track = widget.tracks[index - 1];
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return TrackSelectionHelper.buildTrackTile<SubtitleTrack>(
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context: context,
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label: track.labelForIndex(index - 1),
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isSelected: track.id == selectedId,
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onTap: () {
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OverlaySheetController.of(context).close();
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widget.trackControlsState.onSwitchSubtitleStreamId!(track.id);
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},
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);
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},
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),
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),
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..._buildSubtitleSearchFooter(context, widget.trackControlsState),
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],
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);
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}
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int _effectiveSelectedStreamId() {
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final explicit = widget.trackControlsState.selectedSubtitleStreamId;
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if (explicit != null && (explicit == 0 || widget.tracks.any((track) => track.id == explicit))) return explicit;
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for (final track in widget.tracks) {
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if (track.selected) return track.id;
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}
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return 0;
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}
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}
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class _AudioColumn extends StatefulWidget {
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final List<AudioTrack> tracks;
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final TrackSelection selection;
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final Player player;
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final Function(AudioTrack)? onTrackChanged;
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final bool showHeader;
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const _AudioColumn({
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required this.tracks,
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required this.selection,
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required this.player,
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this.onTrackChanged,
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required this.showHeader,
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});
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@override
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State<_AudioColumn> createState() => _AudioColumnState();
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}
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class _AudioColumnState extends State<_AudioColumn> {
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final _initialScroll = InitialItemScrollController();
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@override
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void dispose() {
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_initialScroll.dispose();
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super.dispose();
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}
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@override
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Widget build(BuildContext context) {
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final selectedId = widget.selection.audio?.id ?? '';
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final selectedIndex = widget.tracks.indexWhere((t) => t.id == selectedId);
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_initialScroll.maybeScrollTo(selectedIndex);
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return Column(
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children: [
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if (widget.showHeader) SheetColumnHeader(label: t.videoControls.audioLabel),
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Expanded(
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child: ListView.builder(
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controller: _initialScroll.controller,
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itemCount: widget.tracks.length,
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itemBuilder: (context, index) {
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final track = widget.tracks[index];
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final label = TrackLabelBuilder.audioLabel(
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title: track.title,
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language: track.language,
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codec: track.codec,
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channels: track.channelsCount,
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index: index,
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);
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return TrackSelectionHelper.buildTrackTile<AudioTrack>(
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context: context,
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key: index == 0 ? _initialScroll.firstItemKey : null,
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label: label,
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isSelected: track.id == selectedId,
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onTap: () {
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widget.player.selectAudioTrack(track);
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widget.onTrackChanged?.call(track);
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OverlaySheetController.of(context).close();
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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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}
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}
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class _SubtitleColumn extends StatefulWidget {
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final List<SubtitleTrack> tracks;
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final TrackSelection selection;
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final Player player;
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final bool supportsSecondary;
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final bool showHeader;
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final TrackControlsState trackControlsState;
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const _SubtitleColumn({
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required this.tracks,
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required this.selection,
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required this.player,
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this.supportsSecondary = false,
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required this.showHeader,
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required this.trackControlsState,
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});
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@override
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State<_SubtitleColumn> createState() => _SubtitleColumnState();
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}
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class _SubtitleColumnState extends State<_SubtitleColumn> {
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final _initialScroll = InitialItemScrollController();
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@override
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void dispose() {
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_initialScroll.dispose();
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super.dispose();
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}
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@override
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Widget build(BuildContext context) {
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final selectedSub = widget.selection.subtitle;
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final secondarySub = widget.selection.secondarySubtitle;
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final isOffSelected = selectedSub == null || selectedSub.id == 'no';
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final hasSecondary = widget.supportsSecondary && secondarySub != null;
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// +1 for "Off" row
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final itemCount = widget.tracks.length + 1;
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final selectedIndex = isOffSelected ? null : widget.tracks.indexWhere((t) => t.id == selectedSub.id) + 1;
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_initialScroll.maybeScrollTo(selectedIndex);
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return Column(
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children: [
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if (widget.showHeader) SheetColumnHeader(label: t.videoControls.subtitlesLabel),
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Expanded(
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child: ListView.builder(
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controller: _initialScroll.controller,
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itemCount: itemCount,
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itemBuilder: (context, index) {
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if (index == 0) {
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return TrackSelectionHelper.buildOffTile<SubtitleTrack>(
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context: context,
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key: _initialScroll.firstItemKey,
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isSelected: isOffSelected,
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onTap: () {
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// Turning off primary also clears secondary
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if (hasSecondary) {
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widget.player.selectSecondarySubtitleTrack(SubtitleTrack.off);
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widget.trackControlsState.onSecondarySubtitleTrackChanged?.call(SubtitleTrack.off);
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}
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widget.player.selectSubtitleTrack(SubtitleTrack.off);
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widget.trackControlsState.onSubtitleTrackChanged?.call(SubtitleTrack.off);
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OverlaySheetController.of(context).close();
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},
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onLongPress: widget.supportsSecondary && hasSecondary
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? () {
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widget.player.selectSecondarySubtitleTrack(SubtitleTrack.off);
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widget.trackControlsState.onSecondarySubtitleTrackChanged?.call(SubtitleTrack.off);
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}
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: null,
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onSecondaryTap: widget.supportsSecondary && hasSecondary
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? () {
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widget.player.selectSecondarySubtitleTrack(SubtitleTrack.off);
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widget.trackControlsState.onSecondarySubtitleTrackChanged?.call(SubtitleTrack.off);
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}
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: null,
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);
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}
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final track = widget.tracks[index - 1];
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final isPrimary = !isOffSelected && track.id == selectedSub.id;
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final isSecondary = hasSecondary && track.id == secondarySub.id;
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final label = TrackLabelBuilder.subtitleLabel(
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title: track.title,
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language: track.language,
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codec: track.codec,
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forced: track.isForced,
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index: index - 1,
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);
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Widget? badge;
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if (widget.supportsSecondary && hasSecondary) {
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if (isPrimary) {
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badge = TrackSelectionHelper.buildTrackBadge(context, 1);
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} else if (isSecondary) {
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badge = TrackSelectionHelper.buildTrackBadge(context, 2);
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}
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}
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return TrackSelectionHelper.buildTrackTile<SubtitleTrack>(
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context: context,
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label: label,
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isSelected: isPrimary,
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badge: badge,
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onTap: () {
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// If tapping a track that is currently the secondary, clear secondary first
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if (isSecondary) {
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widget.player.selectSecondarySubtitleTrack(SubtitleTrack.off);
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widget.trackControlsState.onSecondarySubtitleTrackChanged?.call(SubtitleTrack.off);
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}
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widget.player.selectSubtitleTrack(track);
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widget.trackControlsState.onSubtitleTrackChanged?.call(track);
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OverlaySheetController.of(context).close();
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},
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onLongPress: widget.supportsSecondary
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? () {
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if (isSecondary) {
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// Already secondary — clear it
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widget.player.selectSecondarySubtitleTrack(SubtitleTrack.off);
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widget.trackControlsState.onSecondarySubtitleTrackChanged?.call(SubtitleTrack.off);
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} else if (!isPrimary) {
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// Set as secondary (don't close sheet so user sees badge update)
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widget.player.selectSecondarySubtitleTrack(track);
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widget.trackControlsState.onSecondarySubtitleTrackChanged?.call(track);
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}
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}
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: null,
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onSecondaryTap: widget.supportsSecondary
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? () {
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if (isSecondary) {
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widget.player.selectSecondarySubtitleTrack(SubtitleTrack.off);
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widget.trackControlsState.onSecondarySubtitleTrackChanged?.call(SubtitleTrack.off);
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} else if (!isPrimary) {
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widget.player.selectSecondarySubtitleTrack(track);
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widget.trackControlsState.onSecondarySubtitleTrackChanged?.call(track);
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}
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}
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: null,
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);
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},
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),
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),
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..._buildSubtitleSearchFooter(context, widget.trackControlsState),
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],
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);
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}
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}
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List<Widget> _buildSubtitleSearchFooter(BuildContext context, TrackControlsState state) {
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if (!state.canSearchSubtitles) return const [];
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return [
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Divider(height: 1, color: Theme.of(context).dividerColor),
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FocusableListTile(
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leading: const AppIcon(Symbols.search_rounded),
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title: Text(t.videoControls.searchSubtitles),
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onTap: () {
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OverlaySheetController.of(context).push(
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builder: (_) => SubtitleSearchSheet(
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ratingKey: state.ratingKey,
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serverId: state.serverId!,
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mediaTitle: state.mediaTitle,
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onSubtitleDownloaded: state.onSubtitleDownloaded,
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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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