308 lines
10 KiB
Dart
308 lines
10 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:media_kit/media_kit.dart';
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import 'package:media_kit_video/media_kit_video.dart';
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import '../../core/config/test_stream.dart';
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import '../../core/network/api_exception.dart';
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import '../../core/theme/app_theme.dart';
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import '../../core/storage/watch_dedup_store.dart';
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import '../../models/video_item.dart';
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import '../../services/video_service.dart';
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import '../feed/widgets/feed_overlays.dart';
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/// 单视频播放页（搜索结果/用户主页/作品/收藏/历史共用）：
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/// + 系列抽屉（视频属于某系列时，点右上角📚查看同系列所有集数）
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class SimplePlayerScreen extends StatefulWidget {
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const SimplePlayerScreen({super.key, required this.item});
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final VideoItem item;
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@override
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State<SimplePlayerScreen> createState() => _SimplePlayerScreenState();
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}
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class _SimplePlayerScreenState extends State<SimplePlayerScreen> {
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late Player _player = Player();
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late VideoController _controller = VideoController(_player);
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bool _playing = true;
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Map<String, dynamic>? _seriesData; // null=未加载, {}=无系列
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@override
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void initState() {
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super.initState();
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_open(widget.item);
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_reportWatch();
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_loadSeries();
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}
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void _open(VideoItem item) {
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_player.open(Media(resolvePlayUrl(item)), play: true);
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}
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Future<void> _loadSeries() async {
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final data = await VideoService.fetchVideoSeries(widget.item.videoId);
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if (!mounted) return;
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setState(() => _seriesData = data);
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}
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@override
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void dispose() {
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_player.dispose();
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super.dispose();
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}
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Future<void> _reportWatch() async {
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final dedup = WatchDedupStore.I;
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if (dedup.hasWatched(widget.item.videoId)) return;
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await dedup.markWatched(widget.item.videoId);
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try {
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final result = await VideoService.reportWatch(widget.item.videoId);
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if (!mounted) return;
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if (result.isPointsCost) {
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showTopToast(context, '本次消耗 ${result.costPoints} 积分');
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}
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} on ApiException catch (e) {
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if (!mounted) return;
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_player.pause();
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if (e.isGuestLimit) {
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showGuestLimitDialog(context);
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} else if (e.isPointsInsufficient) {
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showPointsInsufficientDialog(
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context,
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(e.data?['points'] as num?)?.toInt() ?? 0,
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);
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} else {
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showTopToast(context, e.message);
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}
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} catch (_) {}
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}
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void _toggle() {
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setState(() => _playing = !_playing);
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_playing ? _player.play() : _player.pause();
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}
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bool get _hasSeries =>
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_seriesData != null && (_seriesData!['has_series'] as bool? ?? false);
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List<dynamic> get _episodes => (_seriesData?['episodes'] as List?) ?? const [];
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void _showSeriesSheet() {
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showModalBottomSheet<void>(
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context: context,
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backgroundColor: Colors.transparent,
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isScrollControlled: true,
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builder: (_) => DraggableScrollableSheet(
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initialChildSize: 0.65,
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minChildSize: 0.4,
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maxChildSize: 0.9,
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builder: (_, controller) => Container(
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decoration: const BoxDecoration(
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color: Colors.white,
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borderRadius: BorderRadius.vertical(top: Radius.circular(20)),
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),
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child: Column(
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children: [
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// 拖动条
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Center(
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child: Container(
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margin: const EdgeInsets.only(top: 12),
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width: 40, height: 4,
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decoration: BoxDecoration(
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color: Colors.grey[300],
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borderRadius: BorderRadius.circular(2),
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),
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),
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),
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// 系列信息头
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Padding(
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padding: const EdgeInsets.all(16),
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child: Row(
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children: [
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ClipRRect(
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borderRadius: BorderRadius.circular(8),
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child: (_seriesData!['series']['cover_url'] as String?)
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?.isNotEmpty ==
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true
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? Image.network(
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_seriesData!['series']['cover_url'],
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width: 64, height: 64, fit: BoxFit.cover,
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errorBuilder: (_, __, ___) =>
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const SizedBox(width: 64, height: 64),
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)
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: Container(
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width: 64, height: 64, color: Colors.grey[200]),
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),
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const SizedBox(width: 12),
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Expanded(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(
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_seriesData!['series']['title'] ?? '',
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style: const TextStyle(
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fontSize: 16, fontWeight: FontWeight.w600),
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maxLines: 1, overflow: TextOverflow.ellipsis,
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),
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const SizedBox(height: 4),
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Text(
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'共 ${_seriesData!['series']['total_episodes']} 集',
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style: TextStyle(
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color: Colors.grey[600], fontSize: 12),
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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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const Divider(height: 1),
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// 集数网格
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Expanded(
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child: GridView.builder(
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controller: controller,
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padding: const EdgeInsets.all(16),
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gridDelegate:
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const SliverGridDelegateWithFixedCrossAxisCount(
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crossAxisCount: 4,
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mainAxisSpacing: 10,
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crossAxisSpacing: 10,
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childAspectRatio: 1,
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),
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itemCount: _episodes.length,
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itemBuilder: (_, i) {
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final ep = _episodes[i] as Map<String, dynamic>;
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final isCurrent =
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ep['video_id'] == widget.item.videoId;
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return GestureDetector(
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onTap: () => _switchToEpisode(ep),
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child: Container(
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decoration: BoxDecoration(
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color: isCurrent
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? AppColors.primary.withValues(alpha: 0.15)
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: Colors.grey[100],
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border: Border.all(
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color: isCurrent
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? AppColors.primary
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: Colors.transparent),
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borderRadius: BorderRadius.circular(8),
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),
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child: Center(
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child: Text(
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ep['episode_no']?.toString() ?? '${i + 1}',
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style: TextStyle(
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fontSize: 20,
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fontWeight: FontWeight.w700,
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color: isCurrent
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? AppColors.primary
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: Colors.black87,
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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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),
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),
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),
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);
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}
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void _switchToEpisode(Map<String, dynamic> ep) {
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Navigator.of(context).pop(); // 关抽屉
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final newItem = VideoItem(
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videoId: ep['video_id'],
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title: ep['title'] ?? '',
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coverUrl: ep['cover_url'] ?? '',
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videoUrl: ep['video_url'] ?? '',
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duration: (ep['duration'] as num?)?.toInt() ?? 0,
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author: widget.item.author, // 系列一般作者相同
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);
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setState(() {
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_player.dispose();
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_player = Player();
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_controller = VideoController(_player);
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_open(newItem);
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// 重置 seriesData 重新加载
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_seriesData = null;
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});
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_reportWatch();
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_loadSeries();
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}
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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backgroundColor: Colors.black,
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body: GestureDetector(
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onTap: _toggle,
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child: Stack(
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fit: StackFit.expand,
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children: [
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Center(
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child: Video(
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controller: _controller,
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controls: NoVideoControls,
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fit: BoxFit.contain,
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),
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),
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if (!_playing)
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const IgnorePointer(
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child: Center(
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child: Icon(
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Icons.play_circle_outline,
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size: 72,
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color: Colors.white70,
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),
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),
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),
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// 顶部：返回 + 系列按钮
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SafeArea(
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child: Row(
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: [
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const BackButton(color: Colors.white),
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if (_hasSeries)
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IconButton(
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icon: const Icon(Icons.menu_book, color: Colors.white),
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tooltip: '查看系列',
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onPressed: _showSeriesSheet,
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),
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],
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),
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),
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// 底部标题/作者
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Positioned(
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left: 12, right: 12, bottom: 24,
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child: IgnorePointer(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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mainAxisSize: MainAxisSize.min,
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children: [
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Text(
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'@${widget.item.author.nickname}',
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style: const TextStyle(
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fontSize: 15, fontWeight: FontWeight.w600,
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color: Colors.white,
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),
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),
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const SizedBox(height: 6),
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Text(
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widget.item.title,
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style: const TextStyle(
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fontSize: 14, color: Colors.white70),
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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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}
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}
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