lxh2875931338
a927e3dd44
之前主页收藏列表只在启动或从文件列表返回时重查， 在播放页/文件列表点红心，主页不会变。 - 新增 FavoriteEvents（songPath 事件） - 文件列表、播放页收藏/取消后 publish - 主页订阅后重新拉取收藏列表
748 lines
24 KiB
Dart
748 lines
24 KiB
Dart
// lib/pages/player_page.dart
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import 'package:flutter/material.dart';
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import 'package:provider/provider.dart';
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import '../base/base_state.dart';
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import '../database/song_database.dart';
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import '../services/audio_service.dart';
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import '../services/favorite_events.dart';
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class PlayerPage extends StatefulWidget {
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final VoidCallback? onClose;
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final VoidCallback? onOpenPlaylist;
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const PlayerPage({
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super.key,
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this.onClose,
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this.onOpenPlaylist,
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});
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@override
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State<PlayerPage> createState() => _PlayerPageState();
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}
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class _PlayerPageState extends BaseState<PlayerPage> {
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double? _dragProgress;
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bool _isFavorite = false;
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String _album = '';
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String _folder = '';
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String _dbTitle = '';
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String _dbArtist = '';
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String? _metaSongId;
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/// 0 = 文件信息，1 = 播放主页，2 = 歌词
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final PageController _pageController = PageController(initialPage: 1);
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int _pageIndex = 1;
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@override
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void dispose() {
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_pageController.dispose();
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super.dispose();
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}
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String _formatDuration(Duration d) {
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if (d.inMilliseconds < 0) return '00:00';
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final minutes = d.inMinutes;
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final seconds = d.inSeconds % 60;
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return '${minutes.toString().padLeft(2, '0')}:${seconds.toString().padLeft(2, '0')}';
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}
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void _closePage() {
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if (widget.onClose != null) {
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widget.onClose!();
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} else {
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Navigator.pop(context);
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}
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}
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void _openPlaylist() {
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if (widget.onOpenPlaylist != null) {
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widget.onOpenPlaylist!();
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} else {
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Navigator.pushNamed(context, '/playlist');
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}
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}
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@override
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void initState() {
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super.initState();
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_syncStateWithRetry();
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}
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@override
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void didChangeDependencies() {
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super.didChangeDependencies();
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WidgetsBinding.instance.addPostFrameCallback((_) {
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if (mounted) {
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context.read<AudioService>().syncPlayerStateNow();
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}
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});
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}
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void _syncStateWithRetry() {
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final service = context.read<AudioService>();
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service.syncPlayerStateNow();
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const delays = [200, 500, 800, 1200];
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for (final delay in delays) {
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Future.delayed(Duration(milliseconds: delay), () {
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if (mounted) {
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service.syncPlayerStateNow();
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}
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});
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}
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}
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/// 元数据（专辑、收藏状态）只在切歌时查一次
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Future<void> _loadMeta(Song song) async {
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if (_metaSongId == song.id) return;
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_metaSongId = song.id;
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final db = SongDatabase();
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String album = '';
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String dbTitle = '';
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String dbArtist = '';
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bool favorite = false;
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try {
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final row = await db.getSongByPath(song.id);
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album = (row?['album'] as String?)?.trim() ?? '';
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dbTitle = (row?['title'] as String?)?.trim() ?? '';
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dbArtist = (row?['artist'] as String?)?.trim() ?? '';
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favorite = await db.isFavorite(song.id);
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} catch (_) {
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// 元数据只是装饰，失败忽略
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}
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// 上级目录名，作为没有专辑信息时的补充
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String folder = '';
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final segments =
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song.id.split('/').where((s) => s.isNotEmpty).toList();
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if (segments.length >= 2) {
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try {
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folder = Uri.decodeComponent(segments[segments.length - 2]);
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} catch (_) {
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folder = segments[segments.length - 2];
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}
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}
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if (!mounted) return;
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setState(() {
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_album = album;
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_folder = folder;
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_dbTitle = dbTitle;
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_dbArtist = dbArtist;
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_isFavorite = favorite;
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});
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}
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Future<void> _toggleFavorite(Song song) async {
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try {
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await SongDatabase().toggleFavorite(song.id);
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FavoriteEvents().publish(song.id);
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final favorite = await SongDatabase().isFavorite(song.id);
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if (!mounted) return;
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setState(() => _isFavorite = favorite);
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} catch (e) {
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if (mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(content: Text('收藏失败: $e')),
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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 service = context.watch<AudioService>();
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final song = service.currentSong;
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if (song == null) {
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return Scaffold(
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backgroundColor: const Color(0xFF0E1211),
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body: Center(
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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const Text(
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'没有正在播放的歌曲',
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style: TextStyle(color: Colors.grey),
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),
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const SizedBox(height: 16),
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ElevatedButton(
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onPressed: _closePage,
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style: ElevatedButton.styleFrom(
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backgroundColor: const Color(0xFFB8D4D0),
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foregroundColor: Colors.black87,
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),
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child: const Text('返回'),
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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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_loadMeta(song);
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final isPlaying = service.isPlaying;
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return Scaffold(
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backgroundColor: const Color(0xFF0E1211),
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appBar: AppBar(
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backgroundColor: Colors.transparent,
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elevation: 0,
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leading: IconButton(
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icon: const Icon(Icons.keyboard_arrow_down, color: Colors.white70),
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onPressed: _closePage,
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),
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centerTitle: true,
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title: _buildPageIndicator(_isCompact),
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actions: [
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PopupMenuButton<String>(
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icon: const Icon(Icons.more_vert, color: Colors.white54),
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onSelected: (value) async {
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if (value == 'clear_cache') {
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await context.read<AudioService>().clearCurrentSongCache();
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if (mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(
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content: Text('缓存已清除，重新加载中...'),
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backgroundColor: Colors.orange,
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),
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);
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}
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} else if (value == 'mode') {
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context.read<AudioService>().togglePlayMode();
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} else if (value == 'playlist') {
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_openPlaylist();
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}
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},
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itemBuilder: (context) => [
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PopupMenuItem(
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value: 'mode',
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child: Row(
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children: [
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Icon(service.playModeIcon, color: const Color(0xFFB8D4D0)),
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const SizedBox(width: 12),
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const Text('切换播放模式'),
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],
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),
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),
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const PopupMenuItem(
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value: 'playlist',
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child: Row(
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children: [
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Icon(Icons.queue_music, color: Color(0xFFB8D4D0)),
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SizedBox(width: 12),
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Text('播放队列'),
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],
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),
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),
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const PopupMenuItem(
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value: 'clear_cache',
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child: Row(
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children: [
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Icon(Icons.cleaning_services, color: Colors.redAccent),
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SizedBox(width: 12),
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Text('清除缓存'),
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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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body: SafeArea(
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top: false,
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child: PageView(
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controller: _pageController,
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onPageChanged: (index) => setState(() => _pageIndex = index),
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children: [
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_buildInfoPage(song),
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_buildMainPage(service, song, isPlaying, compact: _isCompact),
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if (!_isCompact) _buildLyricsPage(song),
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],
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),
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),
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);
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}
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/// 小窗/分屏：宽高比明显小于全屏（1368x3192 → 2.33；1368x2577 → 1.88）
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bool get _isCompact {
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final size = MediaQuery.of(context).size;
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if (size.width <= 0) return false;
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return size.height / size.width < 2.05;
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}
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/// 顶部指示器：当前页对应"长条"，另外的页是小点。
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/// 全屏三页（信息/主页/歌词），小窗两页（信息/主页）。
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Widget _buildPageIndicator(bool compact) {
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Widget segment(int index) {
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final active = _pageIndex == index;
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return GestureDetector(
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onTap: () => _pageController.animateToPage(
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index,
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duration: const Duration(milliseconds: 280),
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curve: Curves.easeOutCubic,
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),
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behavior: HitTestBehavior.opaque,
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child: Padding(
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padding: const EdgeInsets.symmetric(vertical: 10, horizontal: 2),
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child: AnimatedContainer(
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duration: const Duration(milliseconds: 220),
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curve: Curves.easeOutCubic,
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width: active ? 30 : 7,
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height: 7,
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decoration: BoxDecoration(
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color: active ? Colors.white : Colors.white24,
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borderRadius: BorderRadius.circular(4),
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),
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),
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),
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);
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}
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final indices = compact ? const [0, 1] : const [0, 1, 2];
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return Row(
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mainAxisSize: MainAxisSize.min,
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children: [
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for (var i = 0; i < indices.length; i++) ...[
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if (i > 0) const SizedBox(width: 6),
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segment(indices[i]),
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],
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],
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);
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}
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Widget _buildMainPage(AudioService service, Song song, bool isPlaying,
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{required bool compact}) {
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final screen = MediaQuery.of(context).size;
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// 小窗：封面改为固定方形（约 30% 可用高度），给控件留出空间
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final coverSide = compact
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? (screen.height * 0.38).clamp(160.0, 380.0)
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: null;
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final cover = ClipRRect(
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borderRadius: BorderRadius.circular(compact ? 18 : 24),
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child: song.artwork != null
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? Image.memory(
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song.artwork!,
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fit: BoxFit.cover,
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gaplessPlayback: true,
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)
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: Container(
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color: const Color(0xFF2A3332),
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child: Icon(
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Icons.music_note,
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size: compact ? 48 : 72,
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color: Colors.white24,
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),
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),
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);
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final padded = Padding(
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// 顶部留白：与 AppBar/指示器拉开距离，避免封面贴着顶部
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padding: EdgeInsets.fromLTRB(24, compact ? 8 : 24, 24, 0),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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// ---- 封面 ----
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if (coverSide != null)
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Center(
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child: SizedBox(
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width: coverSide,
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height: coverSide,
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child: cover,
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),
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)
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else
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AspectRatio(
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aspectRatio: 1,
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child: cover,
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),
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SizedBox(height: compact ? 12 : 28),
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// ---- 标题 / 艺术家（收藏心在标题右侧）----
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Row(
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crossAxisAlignment: CrossAxisAlignment.center,
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children: [
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Expanded(
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child: Text(
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song.title,
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style: TextStyle(
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fontSize: compact ? 20 : 24,
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fontWeight: FontWeight.w600,
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color: Colors.white,
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height: 1.25,
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),
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maxLines: 1,
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overflow: TextOverflow.ellipsis,
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),
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),
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const SizedBox(width: 8),
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IconButton(
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onPressed: () => _toggleFavorite(song),
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tooltip: '收藏',
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padding: EdgeInsets.zero,
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constraints:
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const BoxConstraints(minWidth: 36, minHeight: 36),
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iconSize: 24,
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icon: Icon(
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_isFavorite ? Icons.favorite : Icons.favorite_border,
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color: _isFavorite
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? const Color(0xFFE05C5C)
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: Colors.white54,
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size: 24,
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),
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),
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],
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),
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const SizedBox(height: 2),
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Text(
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song.artist,
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style: TextStyle(
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fontSize: compact ? 14 : 16,
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color: Colors.grey[300],
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),
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maxLines: 1,
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overflow: TextOverflow.ellipsis,
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),
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// ---- 信息区（专辑 / 目录）----
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if (_album.isNotEmpty || _folder.isNotEmpty) ...[
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const SizedBox(height: 10),
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if (_album.isNotEmpty)
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Text(
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_album,
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style: TextStyle(
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fontSize: 12,
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color: Colors.grey[500],
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height: 1.5,
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),
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maxLines: 2,
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overflow: TextOverflow.ellipsis,
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),
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if (_folder.isNotEmpty)
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Text(
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'($_folder)',
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style: TextStyle(
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fontSize: 12,
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color: Colors.grey[600],
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height: 1.5,
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),
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maxLines: 1,
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overflow: TextOverflow.ellipsis,
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),
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],
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const Spacer(),
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// ---- 进度 ----
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_buildProgressSection(service),
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SizedBox(height: compact ? 10 : 18),
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// ---- 控制 ----
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_buildControlButtons(service, song, isPlaying),
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// 底部多留 50px：控制行整体上移
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SizedBox(height: compact ? 20 : 45),
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],
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),
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);
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if (!compact) return padded;
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// 小窗/横屏：内容超高时可滚动；内容不足时撑满，避免底部大片空白
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return LayoutBuilder(
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builder: (context, constraints) => SingleChildScrollView(
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child: ConstrainedBox(
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constraints: BoxConstraints(minHeight: constraints.maxHeight),
|
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child: IntrinsicHeight(child: padded),
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),
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),
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);
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}
|
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/// 左页：文件信息
|
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Widget _buildInfoPage(Song song) {
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final rawName = song.id.split('/').last;
|
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String fileName = rawName;
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try {
|
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fileName = Uri.decodeComponent(rawName);
|
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} catch (_) {}
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final dot = fileName.lastIndexOf('.');
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final format =
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dot > 0 ? fileName.substring(dot + 1).toUpperCase() : '未知';
|
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|
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String decodedPath = song.id;
|
||
try {
|
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decodedPath = Uri.decodeComponent(song.id);
|
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} catch (_) {}
|
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|
||
final effectiveArtist = _dbArtist.isNotEmpty
|
||
? _dbArtist
|
||
: (song.artist.isEmpty ? '未知' : song.artist);
|
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final effectiveTitle = _dbTitle.isNotEmpty ? _dbTitle : song.title;
|
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|
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final rows = <MapEntry<String, String>>[
|
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MapEntry('标题', effectiveTitle),
|
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MapEntry('歌手', effectiveArtist),
|
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MapEntry('专辑', _album.isEmpty ? '未知' : _album),
|
||
MapEntry('文件夹', _folder.isEmpty ? '根目录' : _folder),
|
||
MapEntry('文件名', fileName),
|
||
MapEntry('格式', format),
|
||
MapEntry('路径', decodedPath),
|
||
];
|
||
|
||
return SingleChildScrollView(
|
||
padding: const EdgeInsets.symmetric(horizontal: 24, vertical: 8),
|
||
child: Column(
|
||
crossAxisAlignment: CrossAxisAlignment.start,
|
||
children: [
|
||
const Text(
|
||
'文件信息',
|
||
style: TextStyle(
|
||
fontSize: 18,
|
||
fontWeight: FontWeight.w600,
|
||
color: Colors.white,
|
||
),
|
||
),
|
||
const SizedBox(height: 20),
|
||
for (final row in rows) ...[
|
||
Text(
|
||
row.key,
|
||
style: TextStyle(fontSize: 12, color: Colors.grey[600]),
|
||
),
|
||
const SizedBox(height: 4),
|
||
Text(
|
||
row.value,
|
||
style: const TextStyle(
|
||
fontSize: 14,
|
||
color: Colors.white,
|
||
height: 1.4,
|
||
),
|
||
),
|
||
const SizedBox(height: 18),
|
||
],
|
||
],
|
||
),
|
||
);
|
||
}
|
||
|
||
/// 右页：歌词（占位）
|
||
Widget _buildLyricsPage(Song song) {
|
||
return Center(
|
||
child: Column(
|
||
mainAxisAlignment: MainAxisAlignment.center,
|
||
children: [
|
||
Icon(Icons.lyrics_outlined, size: 44, color: Colors.grey[700]),
|
||
const SizedBox(height: 14),
|
||
Text(
|
||
'暂无歌词',
|
||
style: TextStyle(fontSize: 14, color: Colors.grey[600]),
|
||
),
|
||
const SizedBox(height: 6),
|
||
Text(
|
||
song.title,
|
||
style: TextStyle(fontSize: 12, color: Colors.grey[700]),
|
||
maxLines: 1,
|
||
overflow: TextOverflow.ellipsis,
|
||
),
|
||
],
|
||
),
|
||
);
|
||
}
|
||
|
||
Widget _buildProgressSection(AudioService service) {
|
||
return ValueListenableBuilder(
|
||
valueListenable: service.positionNotifier,
|
||
builder: (context, position, _) {
|
||
return ValueListenableBuilder(
|
||
valueListenable: service.durationNotifier,
|
||
builder: (context, duration, _) {
|
||
if (duration.inMilliseconds == 0) {
|
||
return const Padding(
|
||
padding: EdgeInsets.symmetric(vertical: 8),
|
||
child: LinearProgressIndicator(
|
||
color: Color(0xFFB8D4D0),
|
||
backgroundColor: Color(0xFF2A3332),
|
||
),
|
||
);
|
||
}
|
||
|
||
final progress = position.inMilliseconds / duration.inMilliseconds;
|
||
final bufferProgress = (service
|
||
.bufferedNotifier.value.inMilliseconds /
|
||
duration.inMilliseconds)
|
||
.clamp(0.0, 1.0);
|
||
final displayProgress = _dragProgress ?? progress;
|
||
|
||
return Row(
|
||
children: [
|
||
Text(
|
||
_formatDuration(
|
||
_dragProgress != null
|
||
? Duration(
|
||
milliseconds:
|
||
(_dragProgress! * duration.inMilliseconds)
|
||
.round(),
|
||
)
|
||
: position,
|
||
),
|
||
style: TextStyle(fontSize: 12, color: Colors.grey[500]),
|
||
),
|
||
const SizedBox(width: 10),
|
||
Expanded(
|
||
child: SizedBox(
|
||
height: 24,
|
||
child: LayoutBuilder(
|
||
builder: (context, constraints) {
|
||
final width = constraints.maxWidth;
|
||
return Stack(
|
||
alignment: Alignment.centerLeft,
|
||
children: [
|
||
// 背景轨道
|
||
Positioned(
|
||
left: 0,
|
||
right: 0,
|
||
top: 10.5,
|
||
child: Container(
|
||
height: 3,
|
||
decoration: BoxDecoration(
|
||
color: Colors.grey[800],
|
||
borderRadius: BorderRadius.circular(2),
|
||
),
|
||
),
|
||
),
|
||
// 已缓冲
|
||
Positioned(
|
||
left: 0,
|
||
top: 10.5,
|
||
child: Container(
|
||
width: width * bufferProgress.clamp(0.0, 1.0),
|
||
height: 3,
|
||
decoration: BoxDecoration(
|
||
color: const Color(0xFF4A7A7A),
|
||
borderRadius: BorderRadius.circular(2),
|
||
),
|
||
),
|
||
),
|
||
// 已播放
|
||
Positioned(
|
||
left: 0,
|
||
top: 10.5,
|
||
child: Container(
|
||
width:
|
||
width * displayProgress.clamp(0.0, 1.0),
|
||
height: 3,
|
||
decoration: BoxDecoration(
|
||
color: const Color(0xFFB8D4D0),
|
||
borderRadius: BorderRadius.circular(2),
|
||
),
|
||
),
|
||
),
|
||
Positioned.fill(
|
||
child: SliderTheme(
|
||
data: SliderTheme.of(context).copyWith(
|
||
trackHeight: 0,
|
||
activeTrackColor: Colors.transparent,
|
||
inactiveTrackColor: Colors.transparent,
|
||
thumbColor: Colors.transparent,
|
||
overlayColor: Colors.transparent,
|
||
thumbShape: const RoundSliderThumbShape(
|
||
enabledThumbRadius: 0,
|
||
),
|
||
),
|
||
child: Slider(
|
||
value: displayProgress.clamp(0.0, 1.0),
|
||
min: 0.0,
|
||
max: 1.0,
|
||
onChanged: (value) {
|
||
setState(() => _dragProgress = value);
|
||
},
|
||
onChangeEnd: (value) {
|
||
final newPosition = Duration(
|
||
milliseconds:
|
||
(value * duration.inMilliseconds)
|
||
.round(),
|
||
);
|
||
service.seekTo(newPosition);
|
||
setState(() => _dragProgress = null);
|
||
},
|
||
),
|
||
),
|
||
),
|
||
],
|
||
);
|
||
},
|
||
),
|
||
),
|
||
),
|
||
const SizedBox(width: 10),
|
||
Text(
|
||
_formatDuration(duration),
|
||
style: TextStyle(fontSize: 12, color: Colors.grey[500]),
|
||
),
|
||
],
|
||
);
|
||
},
|
||
);
|
||
},
|
||
);
|
||
}
|
||
|
||
Widget _buildControlButtons(
|
||
AudioService service, Song song, bool isPlaying) {
|
||
return Row(
|
||
mainAxisAlignment: MainAxisAlignment.spaceBetween,
|
||
children: [
|
||
IconButton(
|
||
onPressed: service.hasQueue ? service.previous : null,
|
||
icon: const Icon(Icons.skip_previous_rounded, size: 34),
|
||
color: service.hasQueue ? Colors.white70 : Colors.grey[700],
|
||
),
|
||
Container(
|
||
width: 68,
|
||
height: 68,
|
||
decoration: const BoxDecoration(
|
||
color: Color(0xFFB8D4D0),
|
||
shape: BoxShape.circle,
|
||
),
|
||
child: IconButton(
|
||
icon: Icon(
|
||
isPlaying ? Icons.pause_rounded : Icons.play_arrow_rounded,
|
||
color: Colors.black87,
|
||
size: 36,
|
||
),
|
||
padding: EdgeInsets.zero,
|
||
onPressed: service.togglePlay,
|
||
),
|
||
),
|
||
IconButton(
|
||
onPressed: service.hasQueue ? service.next : null,
|
||
icon: const Icon(Icons.skip_next_rounded, size: 34),
|
||
color: service.hasQueue ? Colors.white70 : Colors.grey[700],
|
||
),
|
||
IconButton(
|
||
onPressed: service.togglePlayMode,
|
||
icon: Icon(
|
||
service.playModeIcon,
|
||
color: const Color(0xFFB8D4D0),
|
||
size: 26,
|
||
),
|
||
tooltip: '播放模式',
|
||
),
|
||
IconButton(
|
||
onPressed: _openPlaylist,
|
||
icon: const Icon(
|
||
Icons.queue_music_rounded,
|
||
color: Color(0xFFB8D4D0),
|
||
size: 26,
|
||
),
|
||
tooltip: '播放队列',
|
||
),
|
||
],
|
||
);
|
||
}
|
||
}
|