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优化在线影视界面

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DelLevin-Home
2026-08-12 16:31:36 +08:00
parent e9e4b27627
commit 7ad99c0b9c
1 changed files with 469 additions and 27 deletions
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496
lib/pages/online_search/movie_detail_page.dart
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@@ -1,3 +1,4 @@
import 'dart:async';
import 'dart:convert'; import 'dart:convert';
import 'dart:io'; import 'dart:io';
import 'package:flutter/material.dart'; import 'package:flutter/material.dart';
@@ -52,6 +53,18 @@ class _MovieDetailPageState extends State<MovieDetailPage>
bool _playerCreating = false; bool _playerCreating = false;
bool _isFullscreen = false; bool _isFullscreen = false;
// 播放器实时状态
Duration _position = Duration.zero;
Duration _duration = Duration.zero;
bool _isPlayerPlaying = false;
bool _isBuffering = false;
double _rate = 1.0;
bool _showControls = true;
bool _isSeeking = false;
bool _isLongPress2x = false;
final List<StreamSubscription> _playerSubs = [];
Timer? _hideControlsTimer;
@override @override
void initState() { void initState() {
super.initState(); super.initState();
@@ -62,6 +75,11 @@ class _MovieDetailPageState extends State<MovieDetailPage>
@override @override
void dispose() { void dispose() {
WidgetsBinding.instance.removeObserver(this); WidgetsBinding.instance.removeObserver(this);
_hideControlsTimer?.cancel();
for (final sub in _playerSubs) {
sub.cancel();
}
_playerSubs.clear();
_player?.dispose(); _player?.dispose();
SystemChrome.setPreferredOrientations([DeviceOrientation.portraitUp]); SystemChrome.setPreferredOrientations([DeviceOrientation.portraitUp]);
SystemChrome.setEnabledSystemUIMode(SystemUiMode.edgeToEdge); SystemChrome.setEnabledSystemUIMode(SystemUiMode.edgeToEdge);
@@ -216,8 +234,13 @@ class _MovieDetailPageState extends State<MovieDetailPage>
if (_player == null) { if (_player == null) {
_player = Player(); _player = Player();
_videoController = VideoController(_player!); _videoController = VideoController(_player!);
_subscribePlayerStreams();
} }
await _player!.open(Media(url)); await _player!.open(Media(url));
// 切集后恢复倍速
if (_rate != 1.0) {
await _player!.setRate(_rate);
}
if (!mounted) return; if (!mounted) return;
final epName = _playEpisodes[_currentSource][episodeIndex].name; final epName = _playEpisodes[_currentSource][episodeIndex].name;
await UserPrefs().addPlayedEpisode(widget.vodId, epName); await UserPrefs().addPlayedEpisode(widget.vodId, epName);
@@ -226,7 +249,12 @@ class _MovieDetailPageState extends State<MovieDetailPage>
_currentEpisode = episodeIndex; _currentEpisode = episodeIndex;
_playedEpisodes.add(epName); _playedEpisodes.add(epName);
_playerCreating = false; _playerCreating = false;
_position = Duration.zero;
_duration = Duration.zero;
_showControls = true;
_isLongPress2x = false;
}); });
_restartHideControlsTimer();
} catch (_) { } catch (_) {
if (mounted) { if (mounted) {
ToastUtil.show(context, '播放失败'); ToastUtil.show(context, '播放失败');
@@ -237,6 +265,148 @@ class _MovieDetailPageState extends State<MovieDetailPage>
} }
} }
void _subscribePlayerStreams() {
final p = _player!;
_playerSubs.add(p.stream.playing.listen((v) {
if (mounted) setState(() => _isPlayerPlaying = v);
}));
_playerSubs.add(p.stream.position.listen((v) {
if (mounted && !_isSeeking) setState(() => _position = v);
}));
_playerSubs.add(p.stream.duration.listen((v) {
if (mounted) setState(() => _duration = v);
}));
_playerSubs.add(p.stream.buffering.listen((v) {
if (mounted) setState(() => _isBuffering = v);
}));
_playerSubs.add(p.stream.rate.listen((v) {
if (mounted) setState(() => _rate = v);
}));
_playerSubs.add(p.stream.completed.listen((completed) {
if (completed && mounted) _onPlayCompleted();
}));
}
void _onPlayCompleted() {
// 自动播放下一集
final episodes = _playEpisodes[_currentSource];
if (_currentEpisode == null) return;
if (_currentEpisode! < episodes.length - 1) {
_startPlay(episodes[_currentEpisode! + 1].url, _currentEpisode! + 1);
} else {
// 末集，退出播放
setState(() {
_isPlaying = false;
_isPlayerPlaying = false;
});
}
}
void _playPrevEpisode() {
if (_currentEpisode == null || _currentEpisode! <= 0) return;
final episodes = _playEpisodes[_currentSource];
_startPlay(episodes[_currentEpisode! - 1].url, _currentEpisode! - 1);
}
void _playNextEpisode() {
if (_currentEpisode == null) return;
final episodes = _playEpisodes[_currentSource];
if (_currentEpisode! >= episodes.length - 1) return;
_startPlay(episodes[_currentEpisode! + 1].url, _currentEpisode! + 1);
}
Future<void> _showRateSheet() async {
final colors = Theme.of(context).colorScheme;
final rates = [0.5, 0.75, 1.0, 1.25, 1.5, 2.0];
final selected = await showModalBottomSheet<double>(
context: context,
backgroundColor: colors.surface,
shape: const RoundedRectangleBorder(
borderRadius: BorderRadius.vertical(top: Radius.circular(16))),
builder: (ctx) => SafeArea(
child: Padding(
padding: const EdgeInsets.fromLTRB(16, 6, 16, 16),
child: Column(mainAxisSize: MainAxisSize.min, children: [
Center(
child: Container(
width: 36,
height: 4,
margin: const EdgeInsets.only(bottom: 14),
decoration: BoxDecoration(
color: colors.onSurface.withValues(alpha: 0.15),
borderRadius: BorderRadius.circular(2)))),
Text('播放速度',
style: TextStyle(
fontSize: 15,
fontWeight: FontWeight.w600,
color: colors.onSurface)),
const SizedBox(height: 10),
Wrap(
spacing: 8,
runSpacing: 8,
alignment: WrapAlignment.center,
children: rates
.map((r) => InkWell(
onTap: () => Navigator.pop(ctx, r),
borderRadius: BorderRadius.circular(8),
child: Container(
padding: const EdgeInsets.symmetric(
horizontal: 18, vertical: 10),
decoration: BoxDecoration(
color: _rate == r
? colors.primaryContainer
: colors.surfaceContainerHighest,
borderRadius: BorderRadius.circular(8),
),
child: Text('${r}x',
style: TextStyle(
fontSize: 14,
fontWeight: _rate == r
? FontWeight.w600
: FontWeight.w400,
color: _rate == r
? colors.onPrimaryContainer
: colors.onSurface)),
),
))
.toList(),
),
]),
),
),
);
if (selected != null && _player != null) {
await _player!.setRate(selected);
// setRate 会通过 stream 回写 _rate，但同步设置避免延迟
if (mounted) setState(() => _rate = selected);
}
}
void _toggleControls() {
setState(() => _showControls = !_showControls);
if (_showControls) {
_restartHideControlsTimer();
} else {
_hideControlsTimer?.cancel();
}
}
void _restartHideControlsTimer() {
_hideControlsTimer?.cancel();
_hideControlsTimer = Timer(const Duration(seconds: 4), () {
if (mounted && _isPlayerPlaying && !_isSeeking) {
setState(() => _showControls = false);
}
});
}
String _fmtDuration(Duration d) {
final h = d.inHours;
final m = d.inMinutes.remainder(60).toString().padLeft(2, '0');
final s = d.inSeconds.remainder(60).toString().padLeft(2, '0');
return h > 0 ? '$h:$m:$s' : '$m:$s';
}
void _closePlayer() { void _closePlayer() {
_player?.pause(); _player?.pause();
setState(() { setState(() {
@@ -476,21 +646,7 @@ class _MovieDetailPageState extends State<MovieDetailPage>
), ),
AspectRatio( AspectRatio(
aspectRatio: 16 / 9, aspectRatio: 16 / 9,
child: _videoController != null child: _buildVideoStack(colors, fullscreen: false),
? MaterialVideoControlsTheme(
normal: const MaterialVideoControlsThemeData(
seekBarThumbColor: Color(0xFFFFFFFF),
seekBarPositionColor: Color(0xFFFFFFFF),
),
fullscreen: const MaterialVideoControlsThemeData(),
child: Video(
controller: _videoController!,
controls: MaterialVideoControls,
onEnterFullscreen: _enterFullscreen,
onExitFullscreen: _exitFullscreen,
),
)
: Container(color: Colors.black),
), ),
]); ]);
} }
@@ -498,21 +654,307 @@ class _MovieDetailPageState extends State<MovieDetailPage>
Widget _buildFullscreenPlayer(ColorScheme colors) { Widget _buildFullscreenPlayer(ColorScheme colors) {
return Scaffold( return Scaffold(
backgroundColor: Colors.black, backgroundColor: Colors.black,
body: _videoController != null body: _buildVideoStack(colors, fullscreen: true),
? MaterialVideoControlsTheme(
normal: const MaterialVideoControlsThemeData(),
fullscreen: const MaterialVideoControlsThemeData(),
child: Video(
controller: _videoController!,
controls: MaterialVideoControls,
onEnterFullscreen: _enterFullscreen,
onExitFullscreen: _exitFullscreen,
),
)
: const SizedBox.shrink(),
); );
} }
/// 自定义控件的视频区域：底层 Video + 叠加控件层
Widget _buildVideoStack(ColorScheme colors, {required bool fullscreen}) {
final hasController = _videoController != null;
final episodes = _playSources.isNotEmpty ? _playEpisodes[_currentSource] : <({String name, String url})>[];
final epName = (_currentEpisode != null && _currentEpisode! < episodes.length)
? episodes[_currentEpisode!].name
: '';
final hasPrev = _currentEpisode != null && _currentEpisode! > 0;
final hasNext = _currentEpisode != null && _currentEpisode! < episodes.length - 1;
return GestureDetector(
behavior: HitTestBehavior.opaque,
onTap: _toggleControls,
onLongPressStart: fullscreen ? (_) => _startLongPress2x() : null,
onLongPressEnd: fullscreen ? (_) => _stopLongPress2x() : null,
child: Stack(
fit: StackFit.expand,
children: [
// 视频画面
if (hasController)
Video(
controller: _videoController!,
controls: null,
fit: BoxFit.contain,
onEnterFullscreen: _enterFullscreen,
onExitFullscreen: _exitFullscreen,
)
else
Container(color: Colors.black),
// 缓冲指示
if (_isBuffering && hasController)
const Center(
child: CircularProgressIndicator(
color: Colors.white,
strokeWidth: 2.5,
),
),
// 中央播放/暂停按钮（暂停且非缓冲时）
if (!_isPlayerPlaying && !_isBuffering && hasController)
Center(
child: GestureDetector(
onTap: () => _player?.play(),
child: Container(
width: 56,
height: 56,
decoration: BoxDecoration(
color: Colors.black.withValues(alpha: 0.5),
shape: BoxShape.circle,
),
child: const Icon(Icons.play_arrow,
color: Colors.white, size: 36),
),
),
),
// 长按 2x 提示
if (_isLongPress2x)
Center(
child: Container(
padding:
const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
decoration: BoxDecoration(
color: Colors.black.withValues(alpha: 0.6),
borderRadius: BorderRadius.circular(8),
),
child: const Text('2x',
style: TextStyle(
color: Colors.white,
fontSize: 18,
fontWeight: FontWeight.w600)),
),
),
// 控件层
if (_showControls) ...[
// 顶部渐变 + 标题
Positioned(
top: 0,
left: 0,
right: 0,
child: Container(
padding: EdgeInsets.fromLTRB(
fullscreen ? 24 : 8, fullscreen ? 24 : 8, 8, 8),
decoration: BoxDecoration(
gradient: LinearGradient(
begin: Alignment.topCenter,
end: Alignment.bottomCenter,
colors: [
Colors.black.withValues(alpha: 0.5),
Colors.transparent,
],
),
),
child: Row(children: [
if (fullscreen)
GestureDetector(
onTap: _exitFullscreen,
child: const Padding(
padding: EdgeInsets.all(4),
child: Icon(Icons.arrow_back,
color: Colors.white, size: 22),
),
),
if (epName.isNotEmpty) ...[
const SizedBox(width: 8),
Expanded(
child: Text(epName,
maxLines: 1,
overflow: TextOverflow.ellipsis,
style: const TextStyle(
color: Colors.white,
fontSize: 14,
fontWeight: FontWeight.w500)),
),
],
const Spacer(),
if (!fullscreen)
GestureDetector(
onTap: _enterFullscreen,
child: const Padding(
padding: EdgeInsets.all(4),
child: Icon(Icons.fullscreen,
color: Colors.white, size: 22),
),
),
]),
),
),
// 底部渐变 + 进度条 + 按钮
Positioned(
bottom: 0,
left: 0,
right: 0,
child: Container(
padding: EdgeInsets.fromLTRB(
8, 8, 8, fullscreen ? 16 : 8),
decoration: BoxDecoration(
gradient: LinearGradient(
begin: Alignment.bottomCenter,
end: Alignment.topCenter,
colors: [
Colors.black.withValues(alpha: 0.5),
Colors.transparent,
],
),
),
child: Column(mainAxisSize: MainAxisSize.min, children: [
// 进度条
Row(children: [
Text(_fmtDuration(_position),
style: const TextStyle(
color: Colors.white,
fontSize: 11,
fontFeatures: [FontFeature.tabularFigures()])),
Expanded(
child: SliderTheme(
data: SliderThemeData(
trackHeight: 2,
thumbShape:
const RoundSliderThumbShape(enabledThumbRadius: 6),
overlayShape:
const RoundSliderOverlayShape(overlayRadius: 12),
trackShape: const RectangularSliderTrackShape(),
activeTrackColor: Colors.white,
inactiveTrackColor:
Colors.white.withValues(alpha: 0.3),
thumbColor: Colors.white,
),
child: Slider(
value: _position.inMilliseconds.toDouble().clamp(
0,
_duration.inMilliseconds.toDouble() > 0
? _duration.inMilliseconds.toDouble()
: 1),
min: 0,
max: _duration.inMilliseconds.toDouble() > 0
? _duration.inMilliseconds.toDouble()
: 1,
onChangeStart: (_) {
setState(() => _isSeeking = true);
_hideControlsTimer?.cancel();
},
onChanged: (v) {
setState(() {
_position =
Duration(milliseconds: v.round());
});
},
onChangeEnd: (v) async {
await _player
?.seek(Duration(milliseconds: v.round()));
setState(() => _isSeeking = false);
_restartHideControlsTimer();
},
),
),
),
Text(_fmtDuration(_duration),
style: TextStyle(
color: Colors.white.withValues(alpha: 0.7),
fontSize: 11,
fontFeatures: const [
FontFeature.tabularFigures()
])),
]),
// 按钮行
Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
// 上一集
if (hasPrev)
IconButton(
onPressed: _playPrevEpisode,
icon: const Icon(Icons.skip_previous,
color: Colors.white),
iconSize: 22,
padding: const EdgeInsets.symmetric(horizontal: 8),
constraints: const BoxConstraints(
minWidth: 36, minHeight: 36),
)
else
const SizedBox(width: 38),
// 播放/暂停
GestureDetector(
onTap: () {
if (_isPlayerPlaying) {
_player?.pause();
} else {
_player?.play();
}
_restartHideControlsTimer();
},
child: Padding(
padding: const EdgeInsets.symmetric(horizontal: 12),
child: Icon(
_isPlayerPlaying
? Icons.pause_rounded
: Icons.play_arrow_rounded,
color: Colors.white,
size: 32),
),
),
// 下一集
if (hasNext)
IconButton(
onPressed: _playNextEpisode,
icon: const Icon(Icons.skip_next,
color: Colors.white),
iconSize: 22,
padding: const EdgeInsets.symmetric(horizontal: 8),
constraints: const BoxConstraints(
minWidth: 36, minHeight: 36),
)
else
const SizedBox(width: 38),
const SizedBox(width: 16),
// 倍速
GestureDetector(
onTap: _showRateSheet,
child: Container(
padding: const EdgeInsets.symmetric(
horizontal: 10, vertical: 5),
decoration: BoxDecoration(
color: Colors.white.withValues(alpha: 0.15),
borderRadius: BorderRadius.circular(6),
),
child: Text(
_rate == 1.0 ? '倍速' : '${_rate}x',
style: const TextStyle(
color: Colors.white,
fontSize: 12,
fontWeight: FontWeight.w500),
),
),
),
],
),
]),
),
),
],
],
),
);
}
void _startLongPress2x() {
if (!_isPlayerPlaying) return;
_player?.setRate(2.0);
setState(() => _isLongPress2x = true);
_hideControlsTimer?.cancel();
}
void _stopLongPress2x() {
_player?.setRate(_rate);
setState(() => _isLongPress2x = false);
_restartHideControlsTimer();
}
// ── Build ────────────────────────────────────────────── // ── Build ──────────────────────────────────────────────
@override @override