Files
Qlyra/lib/frontend/widgets/video_player_screen.dart
T

326 lines
10 KiB
Dart

import 'package:flutter/material.dart';
import 'package:material_symbols_icons/symbols.dart';
import 'package:video_player/video_player.dart';
import '../../core/utils/format.dart';
class VideoPlayerScreen extends StatefulWidget {
final Map<String, String> sources;
final String? initialQuality;
const VideoPlayerScreen({
super.key,
required this.sources,
this.initialQuality,
});
@override
State<VideoPlayerScreen> createState() => _VideoPlayerScreenState();
}
class _VideoPlayerScreenState extends State<VideoPlayerScreen> {
VideoPlayerController? _controller;
bool _error = false;
bool _controlsVisible = true;
double? _dragValue;
late String _quality;
int _loadGeneration = 0;
@override
void initState() {
super.initState();
_quality =
widget.initialQuality != null &&
widget.sources.containsKey(widget.initialQuality)
? widget.initialQuality!
: widget.sources.keys.first;
_load(_quality);
}
Future<void> _load(
String quality, {
Duration? position,
bool wasPlaying = true,
}) async {
final url = widget.sources[quality];
if (url == null) {
setState(() => _error = true);
return;
}
final generation = ++_loadGeneration;
final old = _controller;
final controller = VideoPlayerController.networkUrl(Uri.parse(url));
_controller = controller;
setState(() {
_quality = quality;
_error = false;
});
try {
await controller.initialize();
old?.removeListener(_onTick);
await old?.dispose();
if (!mounted) {
await controller.dispose();
return;
}
if (generation != _loadGeneration) {
return;
}
if (position != null) await controller.seekTo(position);
if (generation != _loadGeneration) {
return;
}
controller.addListener(_onTick);
if (wasPlaying) controller.play();
setState(() {});
} catch (_) {
if (generation == _loadGeneration && mounted) {
setState(() => _error = true);
}
}
}
void _onTick() {
if (mounted) setState(() {});
}
Future<void> _switchQuality(String quality) async {
if (quality == _quality) return;
final c = _controller;
final position = c?.value.position;
final wasPlaying = c?.value.isPlaying ?? true;
await _load(quality, position: position, wasPlaying: wasPlaying);
}
@override
void dispose() {
_controller?.removeListener(_onTick);
_controller?.dispose();
super.dispose();
}
void _togglePlay() {
final c = _controller;
if (c == null || !c.value.isInitialized) return;
setState(() => c.value.isPlaying ? c.pause() : c.play());
}
void _toggleControls() {
setState(() => _controlsVisible = !_controlsVisible);
}
@override
Widget build(BuildContext context) {
final c = _controller;
final ready = c != null && c.value.isInitialized;
final buffering = ready && c.value.isBuffering;
final value = ready ? c.value : null;
return Scaffold(
backgroundColor: Colors.black,
body: GestureDetector(
behavior: HitTestBehavior.opaque,
onTap: _toggleControls,
child: Stack(
children: [
Center(
child: _error
? const Icon(Symbols.error, color: Colors.white54, size: 64)
: ready
? AspectRatio(
aspectRatio: c.value.aspectRatio,
child: VideoPlayer(c),
)
: const CircularProgressIndicator(color: Colors.white),
),
if (buffering)
const Center(
child: CircularProgressIndicator(color: Colors.white),
),
if (!_error)
AnimatedOpacity(
opacity: _controlsVisible ? 1 : 0,
duration: const Duration(milliseconds: 150),
child: IgnorePointer(
ignoring: !_controlsVisible,
child: _buildControls(context, value, buffering),
),
),
],
),
),
);
}
Widget _buildControls(
BuildContext context,
VideoPlayerValue? value,
bool buffering,
) {
final topPad = MediaQuery.of(context).padding.top;
final bottomPad = MediaQuery.of(context).padding.bottom;
final duration = value?.duration ?? Duration.zero;
final position = value?.position ?? Duration.zero;
final maxMs = duration.inMilliseconds.toDouble();
final posMs = position.inMilliseconds.toDouble().clamp(0, maxMs);
final sliderValue = _dragValue ?? posMs.toDouble();
final isPlaying = value?.isPlaying ?? false;
return Container(
decoration: const BoxDecoration(
gradient: LinearGradient(
begin: Alignment.topCenter,
end: Alignment.bottomCenter,
colors: [Colors.black54, Colors.transparent, Colors.black54],
stops: [0, 0.5, 1],
),
),
child: Column(
children: [
Padding(
padding: EdgeInsets.only(top: topPad + 4, left: 4, right: 8),
child: Row(
children: [
IconButton(
icon: const Icon(Symbols.close, color: Colors.white),
onPressed: () => Navigator.of(context).pop(),
),
const Spacer(),
if (widget.sources.length > 1)
PopupMenuButton<String>(
color: Colors.black87,
initialValue: _quality,
onSelected: _switchQuality,
child: Container(
padding: const EdgeInsets.symmetric(
horizontal: 12,
vertical: 6,
),
decoration: BoxDecoration(
color: Colors.white24,
borderRadius: BorderRadius.circular(8),
),
child: Row(
mainAxisSize: MainAxisSize.min,
children: [
const Icon(
Symbols.tune,
color: Colors.white,
size: 18,
),
const SizedBox(width: 6),
Text(
_quality,
style: const TextStyle(
color: Colors.white,
fontSize: 14,
),
),
],
),
),
itemBuilder: (_) => widget.sources.keys
.map(
(q) => PopupMenuItem<String>(
value: q,
child: Row(
children: [
Icon(
q == _quality
? Symbols.check
: Symbols.check_box_outline_blank,
color: q == _quality
? Colors.white
: Colors.transparent,
size: 18,
),
const SizedBox(width: 8),
Text(
q,
style: const TextStyle(color: Colors.white),
),
],
),
),
)
.toList(),
),
],
),
),
Expanded(
child: Center(
child: buffering
? const SizedBox.shrink()
: IconButton(
iconSize: 64,
icon: Icon(
isPlaying ? Symbols.pause : Symbols.play_arrow,
color: Colors.white,
fill: 1,
),
onPressed: _togglePlay,
),
),
),
Padding(
padding: EdgeInsets.only(
left: 12,
right: 12,
bottom: bottomPad + 8,
),
child: Row(
children: [
Text(
formatDurationClock(position),
style: const TextStyle(color: Colors.white, fontSize: 12),
),
Expanded(
child: SliderTheme(
data: SliderTheme.of(context).copyWith(
trackHeight: 2,
thumbShape: const RoundSliderThumbShape(
enabledThumbRadius: 6,
),
overlayShape: const RoundSliderOverlayShape(
overlayRadius: 14,
),
activeTrackColor: Colors.white,
inactiveTrackColor: Colors.white30,
thumbColor: Colors.white,
),
child: Slider(
min: 0,
max: maxMs <= 0 ? 1 : maxMs,
value: maxMs <= 0
? 0
: sliderValue.clamp(0, maxMs).toDouble(),
onChanged: maxMs <= 0
? null
: (v) => setState(() => _dragValue = v),
onChangeEnd: maxMs <= 0
? null
: (v) {
_controller?.seekTo(
Duration(milliseconds: v.round()),
);
setState(() => _dragValue = null);
},
),
),
),
Text(
formatDurationClock(duration),
style: const TextStyle(color: Colors.white, fontSize: 12),
),
],
),
),
],
),
);
}
}