665 lines
25 KiB
Dart
665 lines
25 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:provider/provider.dart';
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import '../services/audio_service.dart';
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import '../services/webdav_service.dart';
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import '../services/playback_service.dart';
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import '../widgets/magnetic_scroll_physics.dart';
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import 'webdav_setup_page.dart';
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import 'webdav_file_list_page.dart';
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import '../constants/ui_constants.dart';
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// ==================================================
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// 歌曲数据模型
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// ==================================================
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class SongItem {
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final String path;
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final String fileName;
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final String? title;
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final String? artist;
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final String sourceTag;
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final String metadataState;
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SongItem({
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required this.path,
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required this.fileName,
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this.title,
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this.artist,
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required this.sourceTag,
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this.metadataState = 'unknown',
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});
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String get displayTitle => (metadataState == 'success' && title != null)
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? title!
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: fileName.replaceAll(RegExp(r'\.[^.]*$'), '');
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String get displaySubtitle {
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if (metadataState == 'success' && artist != null) {
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return artist!;
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} else {
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return sourceTag;
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}
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}
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}
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// ==================================================
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// 通用可点击组件
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// ==================================================
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class _ClickableTile extends StatefulWidget {
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final Widget child;
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final VoidCallback onTap;
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const _ClickableTile({
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required this.child,
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required this.onTap,
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});
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@override
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State<_ClickableTile> createState() => _ClickableTileState();
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}
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class _ClickableTileState extends State<_ClickableTile>
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with SingleTickerProviderStateMixin {
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late final AnimationController _controller;
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late final Animation<double> _scale;
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static const Duration _duration = Duration(milliseconds: 120);
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@override
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void initState() {
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super.initState();
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_controller = AnimationController(vsync: this, duration: _duration);
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_scale = Tween<double>(begin: 1.0, end: 0.95).animate(
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CurvedAnimation(parent: _controller, curve: Curves.easeOut),
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);
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}
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@override
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void dispose() {
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_controller.dispose();
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super.dispose();
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}
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void _handleTapDown(TapDownDetails details) {
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_controller.forward();
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}
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void _handleTapUp(TapUpDetails details) {
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_controller.reverse();
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widget.onTap();
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}
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void _handleTapCancel() {
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_controller.reverse();
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}
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@override
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Widget build(BuildContext context) {
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return RepaintBoundary(
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child: GestureDetector(
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onTapDown: _handleTapDown,
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onTapUp: _handleTapUp,
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onTapCancel: _handleTapCancel,
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child: AnimatedBuilder(
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animation: _controller,
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builder: (context, child) {
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return Transform.scale(
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scale: _scale.value,
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child: child,
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);
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},
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child: widget.child,
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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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// Sticky Header 委托
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// ==================================================
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class _StickyHeaderDelegate extends SliverPersistentHeaderDelegate {
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final Widget child;
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_StickyHeaderDelegate({required this.child});
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@override
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double get minExtent => 48;
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@override
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double get maxExtent => 48;
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@override
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Widget build(
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BuildContext context, double shrinkOffset, bool overlapsContent) {
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return child;
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}
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@override
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bool shouldRebuild(_StickyHeaderDelegate oldDelegate) {
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return child != oldDelegate.child;
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}
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}
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// ==================================================
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// 主页
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// ==================================================
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class HomePage extends StatefulWidget {
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const HomePage({super.key});
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@override
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State<HomePage> createState() => _HomePageState();
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}
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class _HomePageState extends State<HomePage> {
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List<SongItem> _favorites = [];
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bool _isLoading = true;
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// ========== 滚动控制 ==========
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late final ScrollController _scrollController;
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final GlobalKey _mediaLibraryKey = GlobalKey();
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double _mediaLibraryHeight = 0.0;
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// 高度测量重试控制
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int _heightMeasureRetryCount = 0;
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static const int _maxHeightMeasureRetries = 10;
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// ========== 计算属性 ==========
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double get _progress {
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if (_mediaLibraryHeight <= 0) return 0.0;
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final offset =
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_scrollController.hasClients ? _scrollController.offset : 0.0;
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return (offset / _mediaLibraryHeight).clamp(0.0, 1.0);
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}
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double get _mediaOpacity {
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final p = _progress;
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if (p <= 0.3) {
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return 1.0 - (p / 0.3) * 0.95;
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} else {
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return 0.05 * (1 - (p - 0.3) / 0.7);
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}
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}
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double get _listReveal {
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if (_progress <= 0.7) return 0.0;
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return (_progress - 0.7) / 0.3;
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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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_scrollController = ScrollController()..addListener(_onScroll);
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_initWebDAV();
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WidgetsBinding.instance.addPostFrameCallback((_) {
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_measureMediaLibraryHeight();
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});
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}
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@override
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void dispose() {
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_scrollController.dispose();
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super.dispose();
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}
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void _measureMediaLibraryHeight() {
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final renderBox =
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_mediaLibraryKey.currentContext?.findRenderObject() as RenderBox?;
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if (renderBox != null) {
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final height = renderBox.size.height;
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if (height > 0 && height != _mediaLibraryHeight) {
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setState(() {
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_mediaLibraryHeight = height;
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_heightMeasureRetryCount = 0;
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});
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print('✅ 媒体库高度测量成功: $height');
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}
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} else {
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_heightMeasureRetryCount++;
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if (_heightMeasureRetryCount < _maxHeightMeasureRetries) {
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Future.delayed(
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const Duration(milliseconds: 200), _measureMediaLibraryHeight);
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} else {
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print('⚠️ 媒体库高度测量失败，使用默认值 280px');
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setState(() {
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_mediaLibraryHeight = 280.0;
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});
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}
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}
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}
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void _onScroll() {
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if (mounted) setState(() {});
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}
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Future<void> _initWebDAV() async {
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setState(() => _isLoading = true);
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try {
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await WebDAVService.instance.loadCredentials();
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_favorites = [];
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} catch (e) {
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_favorites = [];
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} finally {
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if (mounted) setState(() => _isLoading = false);
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}
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}
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void _playSong(SongItem song) async {
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try {
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final url = WebDAVService.instance.getFileUrl(song.path);
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final audioService = context.read<AudioService>();
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audioService.playSong(Song(
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id: song.path,
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title: song.displayTitle,
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artist: song.displaySubtitle,
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url: url,
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));
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final headers = await WebDAVService.instance.getAuthHeaders();
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if (headers.isEmpty) {
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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('请先登录 WebDAV'),
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backgroundColor: Colors.orange,
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),
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);
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}
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return;
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}
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await PlaybackService().play(url, headers: headers);
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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(
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content: Text('播放失败: $e'),
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backgroundColor: Colors.red,
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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 _resetSnapState() {
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if (_scrollController.hasClients) {
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_scrollController.jumpTo(0.0);
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}
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setState(() {});
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}
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@override
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Widget build(BuildContext context) {
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final isConnected = WebDAVService.instance.isConnected;
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final username = WebDAVService.instance.username ?? '点击连接';
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return Scaffold(
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backgroundColor: const Color(0xFF0E1211),
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body: Column(
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children: [
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SafeArea(
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bottom: false,
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child: Padding(
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padding: const EdgeInsets.symmetric(horizontal: 20, vertical: 12),
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child: Row(
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: [
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const Text(
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'清听',
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style: TextStyle(
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fontSize: 28,
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fontWeight: FontWeight.w600,
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color: Colors.white,
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),
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),
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IconButton(
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icon: const Icon(Icons.menu, color: Colors.white54),
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onPressed: () {},
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),
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],
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),
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),
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),
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Expanded(
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child: CustomScrollView(
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controller: _scrollController,
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physics: _mediaLibraryHeight > 0
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? MagneticScrollPhysics(
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snapPoint: _mediaLibraryHeight,
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magneticZoneStart: 0.20,
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)
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: const ClampingScrollPhysics(),
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slivers: [
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SliverToBoxAdapter(
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child: Opacity(
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opacity: _mediaOpacity,
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child: Container(
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key: _mediaLibraryKey,
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padding: const EdgeInsets.symmetric(horizontal: 20),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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const Text(
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'媒体库',
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style: TextStyle(
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fontSize: 22,
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fontWeight: FontWeight.w500,
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color: Color(0xFFB8D4D0),
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),
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),
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const SizedBox(height: 16),
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_ClickableTile(
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onTap: () async {
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if (WebDAVService.instance.isConnected) {
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await Navigator.push(
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context,
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MaterialPageRoute(
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builder: (_) => const WebDAVFileListPage(),
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),
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);
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_resetSnapState();
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setState(() {});
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} else {
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final result = await Navigator.push(
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context,
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MaterialPageRoute(
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builder: (_) => const WebDAVSetupPage(),
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),
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);
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setState(() {});
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if (result == true) {
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await WebDAVService.instance
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.loadCredentials();
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setState(() {});
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}
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}
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},
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child: Row(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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const Padding(
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padding: EdgeInsets.only(left: 8.0),
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child: Icon(
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Icons.cloud_outlined,
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color: Color(0xFFB8D4D0),
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size: 56,
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),
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),
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const SizedBox(width: 16),
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Expanded(
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child: Column(
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crossAxisAlignment:
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CrossAxisAlignment.start,
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children: [
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Row(
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children: [
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const Text(
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'WebDAV',
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style: TextStyle(
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fontSize: 18,
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fontWeight: FontWeight.w500,
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color: Colors.white,
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),
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),
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const SizedBox(width: 16),
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Text(
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isConnected ? '● 已连接' : '● 未连接',
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style: TextStyle(
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fontSize: 13,
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color: isConnected
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? const Color(0xFF4CAF50)
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: Colors.grey[500],
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fontWeight: FontWeight.w400,
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),
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),
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],
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),
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const SizedBox(height: 4),
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Text(
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isConnected ? username : '点击连接',
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style: TextStyle(
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fontSize: 14,
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color: isConnected
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? Colors.grey[400]
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: Colors.grey[600],
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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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const SizedBox(height: 24),
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Row(
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children: [
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Expanded(
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child: _ClickableTile(
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onTap: () {},
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child: Padding(
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padding: const EdgeInsets.symmetric(
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vertical: 10),
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child: Row(
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mainAxisAlignment:
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MainAxisAlignment.center,
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children: [
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Icon(Icons.music_note,
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size: 24,
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color: const Color(0xFFB8D4D0)),
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const SizedBox(width: 8),
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const Text(
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'本地音乐',
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style: TextStyle(
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fontSize: 14,
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fontWeight: FontWeight.w400,
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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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const SizedBox(width: 16),
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Expanded(
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child: _ClickableTile(
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onTap: () {},
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child: Padding(
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padding: const EdgeInsets.symmetric(
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vertical: 10),
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child: Row(
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mainAxisAlignment:
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MainAxisAlignment.center,
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children: [
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Icon(Icons.history,
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size: 24,
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color: const Color(0xFFB8D4D0)),
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const SizedBox(width: 8),
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const Text(
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'最近播放',
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style: TextStyle(
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fontSize: 14,
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fontWeight: FontWeight.w400,
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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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const SizedBox(width: 16),
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Expanded(
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child: _ClickableTile(
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onTap: () {},
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child: Padding(
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padding: const EdgeInsets.symmetric(
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vertical: 10),
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child: Row(
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mainAxisAlignment:
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MainAxisAlignment.center,
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children: [
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Icon(Icons.playlist_play,
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size: 24,
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color: const Color(0xFFB8D4D0)),
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const SizedBox(width: 8),
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const Text(
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'歌单列表',
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style: TextStyle(
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fontSize: 14,
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fontWeight: FontWeight.w400,
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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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const SizedBox(height: 32),
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],
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),
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),
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),
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),
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SliverPersistentHeader(
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pinned: true,
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delegate: _StickyHeaderDelegate(
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child: Container(
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height: 48,
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color: const Color(0xFF0E1211),
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padding: const EdgeInsets.symmetric(horizontal: 20),
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child: const Row(
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children: [
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Icon(Icons.favorite,
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color: Color(0xFFB8D4D0), size: 20),
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SizedBox(width: 8),
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Text(
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'我的收藏',
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style: TextStyle(
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fontSize: 22,
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fontWeight: FontWeight.w500,
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color: Color(0xFFB8D4D0),
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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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SliverPadding(
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padding: const EdgeInsets.only(
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left: 20,
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right: 20,
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bottom: UIConstants.miniPlayerBottomSpace,
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),
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sliver: _isLoading
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? const SliverFillRemaining(
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child: Center(
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child: CircularProgressIndicator(
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color: Color(0xFFB8D4D0),
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),
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),
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)
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: _favorites.isEmpty
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? SliverFillRemaining(
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child: AnimatedOpacity(
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opacity: 1.0 - _listReveal * 0.3,
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duration: const Duration(milliseconds: 100),
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child: Center(
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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Icon(
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Icons.favorite_border,
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size: 48,
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color: Colors.grey[600],
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),
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const SizedBox(height: 16),
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Text(
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'还没有收藏歌曲\n在音乐库中点击 ♡ 添加',
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textAlign: TextAlign.center,
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style: TextStyle(
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fontSize: 16,
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color: Colors.grey[500],
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height: 1.6,
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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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: SliverList(
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delegate: SliverChildBuilderDelegate(
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(context, index) {
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final song = _favorites[index];
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final itemProgress =
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(_listReveal * 2 - index / 5)
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.clamp(0.0, 1.0);
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return AnimatedOpacity(
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opacity: itemProgress,
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duration: const Duration(milliseconds: 150),
|
|
child: Padding(
|
|
padding: const EdgeInsets.symmetric(
|
|
vertical: 6),
|
|
child: ListTile(
|
|
contentPadding: EdgeInsets.zero,
|
|
leading: const Icon(
|
|
Icons.music_note,
|
|
color: Colors.white38,
|
|
size: 20,
|
|
),
|
|
title: Text(
|
|
song.displayTitle,
|
|
style: const TextStyle(
|
|
fontSize: 17,
|
|
fontWeight: FontWeight.w400,
|
|
color: Colors.white,
|
|
),
|
|
maxLines: 1,
|
|
overflow: TextOverflow.ellipsis,
|
|
),
|
|
subtitle: Text(
|
|
song.displaySubtitle,
|
|
style: TextStyle(
|
|
fontSize: 14,
|
|
color: Colors.grey[400],
|
|
),
|
|
maxLines: 1,
|
|
overflow: TextOverflow.ellipsis,
|
|
),
|
|
trailing: IconButton(
|
|
icon: const Icon(
|
|
Icons.favorite,
|
|
color: Color(0xFFB8D4D0),
|
|
size: 20,
|
|
),
|
|
onPressed: () {
|
|
setState(() {
|
|
_favorites.removeAt(index);
|
|
});
|
|
},
|
|
),
|
|
onTap: () => _playSong(song),
|
|
),
|
|
),
|
|
);
|
|
},
|
|
childCount: _favorites.length,
|
|
),
|
|
),
|
|
),
|
|
],
|
|
),
|
|
),
|
|
],
|
|
),
|
|
);
|
|
}
|
|
}
|