298 lines
10 KiB
Dart
298 lines
10 KiB
Dart
// lib/pages/player_page.dart
|
|
import 'package:flutter/material.dart';
|
|
import 'package:provider/provider.dart';
|
|
import '../services/audio_service.dart';
|
|
|
|
class PlayerPage extends StatefulWidget {
|
|
const PlayerPage({super.key});
|
|
|
|
@override
|
|
State<PlayerPage> createState() => _PlayerPageState();
|
|
}
|
|
|
|
class _PlayerPageState extends State<PlayerPage> {
|
|
double? _dragProgress; // 拖动时的临时进度
|
|
|
|
String _formatDuration(Duration d) {
|
|
if (d.inMilliseconds < 0) return '00:00';
|
|
final minutes = d.inMinutes;
|
|
final seconds = d.inSeconds % 60;
|
|
return '${minutes.toString().padLeft(2, '0')}:${seconds.toString().padLeft(2, '0')}';
|
|
}
|
|
|
|
@override
|
|
Widget build(BuildContext context) {
|
|
final service = context.watch<AudioService>();
|
|
final song = service.currentSong;
|
|
|
|
if (song == null) {
|
|
return Scaffold(
|
|
backgroundColor: const Color(0xFF0E1211),
|
|
body: const Center(
|
|
child: Text(
|
|
'没有正在播放的歌曲',
|
|
style: TextStyle(color: Colors.grey),
|
|
),
|
|
),
|
|
);
|
|
}
|
|
|
|
final isPlaying = service.isPlaying;
|
|
final position = service.position;
|
|
final duration = service.duration;
|
|
final bufferedPosition = service.bufferedPosition;
|
|
|
|
final progress = duration.inMilliseconds > 0
|
|
? position.inMilliseconds / duration.inMilliseconds
|
|
: 0.0;
|
|
|
|
final bufferProgress = duration.inMilliseconds > 0
|
|
? (bufferedPosition.inMilliseconds / duration.inMilliseconds)
|
|
.clamp(0.0, 1.0)
|
|
: 0.0;
|
|
|
|
// 拖动时显示拖动的进度，否则显示实际播放进度
|
|
final displayProgress = _dragProgress ?? progress;
|
|
|
|
return Scaffold(
|
|
backgroundColor: const Color(0xFF0E1211),
|
|
appBar: AppBar(
|
|
backgroundColor: Colors.transparent,
|
|
elevation: 0,
|
|
leading: IconButton(
|
|
icon: const Icon(Icons.arrow_back_ios_new, color: Colors.white),
|
|
onPressed: () => Navigator.pop(context),
|
|
),
|
|
title: const Text(
|
|
'正在播放',
|
|
style: TextStyle(
|
|
color: Colors.white,
|
|
fontSize: 16,
|
|
fontWeight: FontWeight.w400,
|
|
),
|
|
),
|
|
centerTitle: true,
|
|
actions: [
|
|
IconButton(
|
|
icon: const Icon(Icons.more_vert, color: Colors.white54),
|
|
onPressed: () {},
|
|
),
|
|
],
|
|
),
|
|
body: Padding(
|
|
padding: const EdgeInsets.symmetric(horizontal: 24),
|
|
child: Column(
|
|
mainAxisAlignment: MainAxisAlignment.center,
|
|
children: [
|
|
// ---- 封面占位 ----
|
|
Container(
|
|
width: 240,
|
|
height: 240,
|
|
decoration: BoxDecoration(
|
|
shape: BoxShape.circle,
|
|
color: const Color(0xFF2A3332),
|
|
boxShadow: [
|
|
BoxShadow(
|
|
color: const Color(0xFF7C9A9E).withOpacity(0.15),
|
|
blurRadius: 60,
|
|
spreadRadius: 10,
|
|
),
|
|
],
|
|
),
|
|
child: const Icon(
|
|
Icons.music_note,
|
|
size: 64,
|
|
color: Colors.white24,
|
|
),
|
|
),
|
|
const SizedBox(height: 48),
|
|
|
|
// ---- 歌曲信息 ----
|
|
Column(
|
|
crossAxisAlignment: CrossAxisAlignment.center,
|
|
children: [
|
|
Text(
|
|
song.title,
|
|
style: const TextStyle(
|
|
fontSize: 20,
|
|
fontWeight: FontWeight.w600,
|
|
color: Colors.white,
|
|
),
|
|
textAlign: TextAlign.center,
|
|
maxLines: 2,
|
|
overflow: TextOverflow.ellipsis,
|
|
),
|
|
const SizedBox(height: 8),
|
|
Text(
|
|
song.artist,
|
|
style: TextStyle(
|
|
fontSize: 15,
|
|
color: Colors.grey[400],
|
|
),
|
|
textAlign: TextAlign.center,
|
|
maxLines: 1,
|
|
overflow: TextOverflow.ellipsis,
|
|
),
|
|
],
|
|
),
|
|
const SizedBox(height: 40),
|
|
|
|
// ---- 双层进度条（视觉与交互分离） ----
|
|
Column(
|
|
children: [
|
|
SizedBox(
|
|
height: 20,
|
|
child: LayoutBuilder(
|
|
builder: (context, constraints) {
|
|
final width = constraints.maxWidth;
|
|
|
|
final bufferWidth =
|
|
width * bufferProgress.clamp(0.0, 1.0);
|
|
final progressWidth = width * progress.clamp(0.0, 1.0);
|
|
|
|
return Stack(
|
|
alignment: Alignment.centerLeft,
|
|
children: [
|
|
// ① 底层：整首歌曲（暗灰色）
|
|
Container(
|
|
width: width,
|
|
height: 4,
|
|
decoration: BoxDecoration(
|
|
color: Colors.grey[800],
|
|
borderRadius: BorderRadius.circular(2),
|
|
),
|
|
),
|
|
|
|
// ② 缓冲层（深青色）
|
|
Container(
|
|
width: bufferWidth,
|
|
height: 4,
|
|
decoration: BoxDecoration(
|
|
color: const Color(0xFF4A7A7A),
|
|
borderRadius: BorderRadius.circular(2),
|
|
),
|
|
),
|
|
|
|
// ③ 播放进度层（亮青色）
|
|
Container(
|
|
width: progressWidth,
|
|
height: 4,
|
|
decoration: BoxDecoration(
|
|
color: const Color(0xFFB8D4D0),
|
|
borderRadius: BorderRadius.circular(2),
|
|
),
|
|
),
|
|
|
|
// ④ 交互层（只负责手势，不显示任何轨道）
|
|
Positioned.fill(
|
|
child: SliderTheme(
|
|
data: SliderTheme.of(context).copyWith(
|
|
trackHeight: 0,
|
|
activeTrackColor: Colors.transparent,
|
|
inactiveTrackColor: Colors.transparent,
|
|
thumbColor: Colors.transparent, // ✅ 完全隐藏小球
|
|
overlayColor: Colors.transparent,
|
|
thumbShape: const RoundSliderThumbShape(
|
|
enabledThumbRadius: 0,
|
|
),
|
|
),
|
|
child: Slider(
|
|
value: progress.clamp(0.0, 1.0),
|
|
min: 0.0,
|
|
max: 1.0,
|
|
onChanged: (value) {
|
|
// 拖动时只更新本地状态，不触发 seek
|
|
setState(() {
|
|
_dragProgress = value;
|
|
});
|
|
},
|
|
onChangeEnd: (value) {
|
|
final newPosition = Duration(
|
|
milliseconds:
|
|
(value * duration.inMilliseconds)
|
|
.round(),
|
|
);
|
|
service.seekTo(newPosition);
|
|
setState(() {
|
|
_dragProgress = null;
|
|
});
|
|
},
|
|
),
|
|
),
|
|
),
|
|
],
|
|
);
|
|
},
|
|
),
|
|
),
|
|
// 时间显示
|
|
Row(
|
|
mainAxisAlignment: MainAxisAlignment.spaceBetween,
|
|
children: [
|
|
Text(
|
|
_formatDuration(position),
|
|
style: TextStyle(
|
|
fontSize: 12,
|
|
color: Colors.grey[500],
|
|
),
|
|
),
|
|
Text(
|
|
_formatDuration(duration),
|
|
style: TextStyle(
|
|
fontSize: 12,
|
|
color: Colors.grey[500],
|
|
),
|
|
),
|
|
],
|
|
),
|
|
],
|
|
),
|
|
const SizedBox(height: 32),
|
|
|
|
// ---- 播放控制 ----
|
|
Row(
|
|
mainAxisAlignment: MainAxisAlignment.center,
|
|
children: [
|
|
IconButton(
|
|
onPressed: () {},
|
|
icon: const Icon(Icons.skip_previous, size: 28),
|
|
color: Colors.white60,
|
|
padding: const EdgeInsets.all(12),
|
|
),
|
|
const SizedBox(width: 20),
|
|
Container(
|
|
width: 56,
|
|
height: 56,
|
|
decoration: BoxDecoration(
|
|
color: const Color(0xFFB8D4D0),
|
|
shape: BoxShape.circle,
|
|
),
|
|
child: IconButton(
|
|
icon: Icon(
|
|
isPlaying ? Icons.pause : Icons.play_arrow,
|
|
color: Colors.black87,
|
|
size: 28,
|
|
),
|
|
padding: EdgeInsets.zero,
|
|
onPressed: () {
|
|
service.togglePlay();
|
|
},
|
|
),
|
|
),
|
|
const SizedBox(width: 20),
|
|
IconButton(
|
|
onPressed: () {},
|
|
icon: const Icon(Icons.skip_next, size: 28),
|
|
color: Colors.white60,
|
|
padding: const EdgeInsets.all(12),
|
|
),
|
|
],
|
|
),
|
|
const SizedBox(height: 16),
|
|
],
|
|
),
|
|
),
|
|
);
|
|
}
|
|
}
|