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公云存储
2026-05-15 08:52:48 +08:00
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commit eb35a1d067
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lib/presentation/widgets/download_progress_item.dart
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import 'dart:io';
import 'dart:ui';
import 'package:flutter/material.dart';
import 'package:lucide_icons/lucide_icons.dart';
import 'package:open_file/open_file.dart';
import 'package:permission_handler/permission_handler.dart';
import 'package:provider/provider.dart';
import '../../data/models/download_task_model.dart';
import '../../services/download_service.dart';
import '../providers/download_manager_provider.dart';
import 'toast_helper.dart';
import '../../core/utils/app_logger.dart';
/// 下载任务列表项
class DownloadProgressItem extends StatelessWidget {
final DownloadTaskModel task;
final VoidCallback? onPause;
final VoidCallback? onResume;
final VoidCallback? onCancel;
final VoidCallback? onDelete;
final VoidCallback? onRetry;
const DownloadProgressItem({
super.key,
required this.task,
this.onPause,
this.onResume,
this.onCancel,
this.onDelete,
this.onRetry,
});
@override
Widget build(BuildContext context) {
final downloadManager = Provider.of<DownloadManagerProvider>(
context,
listen: true,
);
final latestTask = downloadManager.getTask(task.id) ?? task;
final isDownloading = latestTask.status == DownloadStatus.downloading;
final isPaused = latestTask.status == DownloadStatus.paused;
final isFailed = latestTask.status == DownloadStatus.failed;
return Padding(
padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 4),
child: ClipRRect(
borderRadius: BorderRadius.circular(12),
child: BackdropFilter(
filter: ImageFilter.blur(sigmaX: 10, sigmaY: 10),
child: Container(
decoration: BoxDecoration(
color: _getCardColor(context, latestTask.status, waitingForWifi: latestTask.waitingForWifi),
borderRadius: BorderRadius.circular(12),
border: Border.all(
color: _getBorderColor(context, latestTask.status, waitingForWifi: latestTask.waitingForWifi),
),
),
padding: const EdgeInsets.all(12),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Row(
children: [
_buildStatusIcon(context, latestTask.status, waitingForWifi: latestTask.waitingForWifi),
const SizedBox(width: 10),
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
task.fileName,
style: const TextStyle(
fontWeight: FontWeight.w500,
fontSize: 14,
),
maxLines: 1,
overflow: TextOverflow.ellipsis,
),
const SizedBox(height: 4),
_buildStatusRow(context, latestTask),
],
),
),
Row(
mainAxisSize: MainAxisSize.min,
children: _buildActionButtons(context, latestTask),
),
],
),
if (isDownloading || isPaused) ...[
const SizedBox(height: 10),
Row(
children: [
Expanded(
child: LinearProgressIndicator(
value: isPaused ? null : latestTask.progress,
backgroundColor: Colors.grey.shade200,
valueColor: AlwaysStoppedAnimation<Color>(
Theme.of(context).colorScheme.primary,
),
),
),
const SizedBox(width: 12),
Text(
isPaused ? '已暂停' : latestTask.progressText,
style: const TextStyle(fontSize: 12),
),
],
),
const SizedBox(height: 4),
Row(
children: [
Text(
'${DownloadService.getReadableFileSize(latestTask.downloadedBytes)} / '
'${DownloadService.getReadableFileSize(latestTask.fileSize)}',
style: const TextStyle(fontSize: 12),
),
if (latestTask.speedText.isNotEmpty) ...[
const SizedBox(width: 12),
Text(
latestTask.speedText,
style: TextStyle(
fontSize: 12,
color: Theme.of(context).colorScheme.primary,
),
),
],
],
),
] else if (isFailed && latestTask.errorMessage != null) ...[
const SizedBox(height: 8),
Text(
latestTask.errorMessage!,
style: TextStyle(fontSize: 12, color: Colors.red.shade700),
maxLines: 2,
overflow: TextOverflow.ellipsis,
),
],
],
),
),
),
),
);
}
Widget _buildStatusIcon(BuildContext context, DownloadStatus status, {bool waitingForWifi = false}) {
final color = _getStatusColor(status, waitingForWifi: waitingForWifi);
final isDark = Theme.of(context).brightness == Brightness.dark;
return Container(
width: 36,
height: 36,
decoration: BoxDecoration(
color: color.withValues(alpha: isDark ? 0.2 : 0.1),
borderRadius: BorderRadius.circular(8),
),
child: Icon(
_getStatusIcon(status, waitingForWifi: waitingForWifi),
size: 18,
color: color,
),
);
}
Widget _buildStatusRow(BuildContext context, DownloadTaskModel task) {
final color = _getStatusColor(task.status, waitingForWifi: task.waitingForWifi);
final isCompleted = task.status == DownloadStatus.completed;
return Row(
children: [
Text(
task.statusText,
style: TextStyle(fontSize: 12, color: color),
),
if (isCompleted) ...[
Text(
' · ',
style: TextStyle(fontSize: 12, color: Theme.of(context).hintColor),
),
Text(
DownloadService.getReadableFileSize(task.fileSize),
style: TextStyle(fontSize: 12, color: Theme.of(context).hintColor),
),
Text(
' · ',
style: TextStyle(fontSize: 12, color: Theme.of(context).hintColor),
),
Text(
_formatDateTime(task.completedAt!),
style: TextStyle(fontSize: 12, color: Theme.of(context).hintColor),
),
],
],
);
}
List<Widget> _buildActionButtons(
BuildContext context,
DownloadTaskModel task,
) {
final errorColor = Theme.of(context).colorScheme.error;
switch (task.status) {
case DownloadStatus.waiting:
if (task.waitingForWifi) {
return [
IconButton(
icon: Icon(Icons.cancel, size: 20, color: errorColor),
onPressed: onCancel,
tooltip: '取消',
),
];
}
return [];
case DownloadStatus.downloading:
return [
IconButton(
icon: const Icon(Icons.pause, size: 20),
onPressed: onPause,
tooltip: '暂停',
),
];
case DownloadStatus.paused:
return [
IconButton(
icon: const Icon(Icons.play_arrow, size: 20),
onPressed: onResume,
tooltip: '继续',
),
IconButton(
icon: Icon(Icons.cancel, size: 20, color: errorColor),
onPressed: onCancel,
tooltip: '取消',
),
];
case DownloadStatus.failed:
return [
IconButton(
icon: const Icon(Icons.refresh, size: 20),
onPressed: onRetry,
tooltip: '重试',
),
IconButton(
icon: Icon(Icons.delete, size: 20, color: errorColor),
onPressed: onDelete,
tooltip: '删除',
),
];
case DownloadStatus.completed:
final showOpenFolder = !Platform.isAndroid;
return [
IconButton(
icon: const Icon(Icons.open_in_new, size: 20),
onPressed: () => _openDownloadedFile(context, task),
tooltip: '打开',
),
if (showOpenFolder)
IconButton(
icon: const Icon(Icons.folder_open, size: 20),
onPressed: () => _openFileFolder(context, task),
tooltip: '打开文件夹',
),
IconButton(
icon: Icon(Icons.delete_outline, size: 20, color: errorColor),
onPressed: onDelete,
tooltip: '删除',
),
];
case DownloadStatus.cancelled:
return [];
}
}
Future<void> checkInstallPermission() async {
if (await Permission.requestInstallPackages.isDenied) {
await Permission.requestInstallPackages.request();
}
}
Future<void> _openDownloadedFile(
BuildContext context,
DownloadTaskModel task,
) async {
final file = File(task.savePath);
if (!await file.exists()) {
if (context.mounted) {
ToastHelper.error('文件不存在：${task.fileName}');
}
return;
}
try {
final ext = task.savePath.toString().split('.').last.toLowerCase();
if (ext == 'apk') {
await checkInstallPermission();
}
OpenResult openResult = await OpenFile.open(task.savePath);
AppLogger.d('下载对话框打开文件结果：${openResult.type}');
if (openResult.type == ResultType.done) {
AppLogger.d('成功打开文件：${task.fileName}');
} else {
if (context.mounted) {
ToastHelper.error(
'无法打开文件：${task.fileName} 错误信息: ${openResult.message}',
);
}
}
} catch (e) {
if (context.mounted) {
ToastHelper.error('打开文件失败：$e');
}
}
}
Future<void> _openFileFolder(
BuildContext context,
DownloadTaskModel task,
) async {
try {
final dir = File(task.savePath).parent.path;
final result = await OpenFile.open(dir);
if (result.type != ResultType.done && context.mounted) {
ToastHelper.error('无法打开文件夹：${result.message}');
}
} catch (e) {
if (context.mounted) {
ToastHelper.error('打开文件夹失败：$e');
}
}
}
IconData _getStatusIcon(DownloadStatus status, {bool waitingForWifi = false}) {
switch (status) {
case DownloadStatus.waiting:
return waitingForWifi ? LucideIcons.wifi : LucideIcons.clock;
case DownloadStatus.downloading:
return LucideIcons.download;
case DownloadStatus.completed:
return LucideIcons.checkCircle2;
case DownloadStatus.paused:
return LucideIcons.pause;
case DownloadStatus.failed:
case DownloadStatus.cancelled:
return LucideIcons.xCircle;
}
}
Color _getStatusColor(DownloadStatus status, {bool waitingForWifi = false}) {
switch (status) {
case DownloadStatus.waiting:
return waitingForWifi ? Colors.blue : Colors.grey;
case DownloadStatus.downloading:
return Colors.blue;
case DownloadStatus.completed:
return Colors.green;
case DownloadStatus.paused:
return Colors.orange;
case DownloadStatus.failed:
case DownloadStatus.cancelled:
return Colors.red;
}
}
Color _getCardColor(BuildContext context, DownloadStatus status, {bool waitingForWifi = false}) {
final isDark = Theme.of(context).brightness == Brightness.dark;
switch (status) {
case DownloadStatus.waiting:
if (waitingForWifi) {
return isDark ? Colors.blue.withValues(alpha: 0.08) : Colors.blue.withValues(alpha: 0.05);
}
return isDark ? Colors.white.withValues(alpha: 0.05) : Colors.white.withValues(alpha: 0.6);
case DownloadStatus.completed:
return isDark ? Colors.green.withValues(alpha: 0.08) : Colors.green.withValues(alpha: 0.05);
case DownloadStatus.failed:
case DownloadStatus.cancelled:
return isDark ? Colors.red.withValues(alpha: 0.08) : Colors.red.withValues(alpha: 0.05);
default:
return isDark ? Colors.white.withValues(alpha: 0.05) : Colors.white.withValues(alpha: 0.6);
}
}
Color _getBorderColor(BuildContext context, DownloadStatus status, {bool waitingForWifi = false}) {
final isDark = Theme.of(context).brightness == Brightness.dark;
switch (status) {
case DownloadStatus.waiting:
if (waitingForWifi) {
return Colors.blue.withValues(alpha: isDark ? 0.2 : 0.15);
}
return isDark ? Colors.white.withValues(alpha: 0.1) : Colors.white.withValues(alpha: 0.3);
case DownloadStatus.completed:
return Colors.green.withValues(alpha: isDark ? 0.2 : 0.15);
case DownloadStatus.failed:
case DownloadStatus.cancelled:
return Colors.red.withValues(alpha: isDark ? 0.2 : 0.15);
default:
return isDark ? Colors.white.withValues(alpha: 0.1) : Colors.white.withValues(alpha: 0.3);
}
}
String _formatDateTime(DateTime dateTime) {
final now = DateTime.now();
final difference = now.difference(dateTime);
if (difference.inSeconds < 60) {
return '刚刚';
} else if (difference.inMinutes < 60) {
return '${difference.inMinutes}分钟前';
} else if (difference.inHours < 24) {
return '${difference.inHours}小时前';
} else {
return '${dateTime.month}/${dateTime.day} ${dateTime.hour}:${dateTime.minute.toString().padLeft(2, '0')}';
}
}
}