admin1
100 lines
2.7 KiB
Dart
100 lines
2.7 KiB
Dart
import 'dart:async';
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import 'dart:ui' as ui;
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import 'package:flutter/material.dart';
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import '../../../core/infra/player_engine/player_engine.dart';
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import '../../../shared/utils/format_utils.dart';
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class PlayerPositionIndicator extends StatefulWidget {
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final PlayerEngine player;
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final ValueNotifier<Duration?>? seekPreview;
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const PlayerPositionIndicator({
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super.key,
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required this.player,
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this.seekPreview,
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});
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@override
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State<PlayerPositionIndicator> createState() =>
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_PlayerPositionIndicatorState();
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}
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class _PlayerPositionIndicatorState extends State<PlayerPositionIndicator> {
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late Duration _position;
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late Duration _duration;
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StreamSubscription<Duration>? _posSub;
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StreamSubscription<Duration>? _durSub;
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@override
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void initState() {
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super.initState();
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_position = widget.player.state.position;
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_duration = widget.player.state.duration;
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_posSub = widget.player.stream.position.listen((position) {
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if (mounted) setState(() => _position = position);
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});
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_durSub = widget.player.stream.duration.listen((duration) {
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if (mounted) setState(() => _duration = duration);
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});
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}
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@override
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void didUpdateWidget(covariant PlayerPositionIndicator oldWidget) {
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super.didUpdateWidget(oldWidget);
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if (oldWidget.player != widget.player) {
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unawaited(_posSub?.cancel());
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unawaited(_durSub?.cancel());
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_position = widget.player.state.position;
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_duration = widget.player.state.duration;
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_posSub = widget.player.stream.position.listen((position) {
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if (mounted) setState(() => _position = position);
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});
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_durSub = widget.player.stream.duration.listen((duration) {
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if (mounted) setState(() => _duration = duration);
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});
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}
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}
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@override
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void dispose() {
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unawaited(_posSub?.cancel());
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unawaited(_durSub?.cancel());
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super.dispose();
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}
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Widget _buildText(Duration position, Duration duration) {
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return SizedBox(
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width: 126,
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child: Text(
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'${formatDurationClock(position)} / ${formatDurationClock(duration)}',
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textAlign: TextAlign.center,
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style: const TextStyle(
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color: Colors.white70,
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fontSize: 13,
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fontFeatures: [ui.FontFeature.tabularFigures()],
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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 seekPreview = widget.seekPreview;
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if (seekPreview != null) {
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return ValueListenableBuilder<Duration?>(
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valueListenable: seekPreview,
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builder: (context, preview, _) {
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final displayPos = preview ?? _position;
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return _buildText(displayPos, _duration);
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},
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);
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}
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return _buildText(_position, _duration);
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}
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}
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