二次开发源码提交
This commit is contained in:
@@ -0,0 +1,579 @@
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import 'dart:io';
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import 'package:cloudreve4_flutter/data/models/download_task_model.dart';
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import 'package:cloudreve4_flutter/presentation/providers/download_manager_provider.dart';
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import 'package:cloudreve4_flutter/presentation/widgets/download_progress_item.dart';
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import 'package:cloudreve4_flutter/core/utils/date_utils.dart' as date_utils;
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import 'package:cloudreve4_flutter/services/download_service.dart';
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import 'package:flutter/material.dart';
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import 'package:lucide_icons/lucide_icons.dart';
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import 'package:open_file/open_file.dart';
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import 'package:provider/provider.dart';
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import 'package:permission_handler/permission_handler.dart';
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import 'package:cloudreve4_flutter/presentation/widgets/toast_helper.dart';
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import 'package:cloudreve4_flutter/core/utils/app_logger.dart';
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class DownloadTasksTab extends StatelessWidget {
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const DownloadTasksTab({super.key});
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@override
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Widget build(BuildContext context) {
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final theme = Theme.of(context);
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return Consumer<DownloadManagerProvider>(
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builder: (context, downloadManager, _) {
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final allTasks = downloadManager.tasks;
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final activeTasks = allTasks.where((t) =>
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t.status == DownloadStatus.downloading || t.status == DownloadStatus.waiting || t.status == DownloadStatus.paused).toList();
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final completedTasks = allTasks.where((t) => t.status == DownloadStatus.completed).toList();
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final failedTasks = allTasks.where((t) =>
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t.status == DownloadStatus.failed || t.status == DownloadStatus.cancelled).toList();
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if (allTasks.isEmpty) {
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return Center(
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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Icon(LucideIcons.download, size: 48, color: theme.hintColor.withValues(alpha: 0.4)),
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const SizedBox(height: 16),
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Text('暂无下载任务', style: TextStyle(color: theme.hintColor)),
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],
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),
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);
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}
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return LayoutBuilder(
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builder: (context, constraints) {
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final isDesktop = constraints.maxWidth >= 800;
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if (isDesktop) {
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return _buildDesktopLayout(
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context,
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downloadManager,
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allTasks: allTasks,
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activeTasks: activeTasks,
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failedTasks: failedTasks,
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completedTasks: completedTasks,
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);
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}
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return _buildMobileLayout(
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context,
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downloadManager,
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activeTasks: activeTasks,
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failedTasks: failedTasks,
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completedTasks: completedTasks,
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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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Widget _buildMobileLayout(
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BuildContext context,
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DownloadManagerProvider downloadManager, {
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required List<DownloadTaskModel> activeTasks,
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required List<DownloadTaskModel> failedTasks,
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required List<DownloadTaskModel> completedTasks,
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}) {
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return ListView(
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padding: const EdgeInsets.only(top: 8, bottom: 80),
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children: [
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if (activeTasks.isNotEmpty) ...[
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_buildSectionHeader(context, '进行中', activeTasks.length),
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...activeTasks.map((task) => DownloadProgressItem(
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task: task,
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onPause: () => downloadManager.pauseDownload(task.id),
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onResume: () => downloadManager.resumeDownload(task.id),
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onCancel: () => downloadManager.cancelDownload(task.id),
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)),
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],
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if (failedTasks.isNotEmpty) ...[
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_buildSectionHeader(context, '失败', failedTasks.length,
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actionLabel: '清除失败',
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onAction: () => _confirmClear(context, '失败', failedTasks.length, () => downloadManager.clearFailedTasks())),
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...failedTasks.map((task) => DownloadProgressItem(
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task: task,
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onRetry: () => downloadManager.retryDownload(task.id),
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onDelete: () => _confirmDeleteDownloadTask(context, task, downloadManager),
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)),
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],
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if (completedTasks.isNotEmpty) ...[
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_buildSectionHeader(context, '已完成', completedTasks.length,
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actionLabel: '清除已完成',
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onAction: () => _confirmClear(context, '已完成', completedTasks.length, () => downloadManager.clearCompletedTasks())),
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...completedTasks.map((task) => DownloadProgressItem(
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task: task,
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onDelete: () => _confirmDeleteDownloadTask(context, task, downloadManager),
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)),
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],
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],
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);
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}
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Widget _buildDesktopLayout(
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BuildContext context,
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DownloadManagerProvider downloadManager, {
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required List<DownloadTaskModel> allTasks,
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required List<DownloadTaskModel> activeTasks,
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required List<DownloadTaskModel> failedTasks,
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required List<DownloadTaskModel> completedTasks,
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}) {
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final colorScheme = Theme.of(context).colorScheme;
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final sortedTasks = [
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...activeTasks.reversed,
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...failedTasks.reversed,
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...completedTasks.reversed,
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];
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return SingleChildScrollView(
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padding: const EdgeInsets.all(16),
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child: Column(
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children: [
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if (failedTasks.isNotEmpty)
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Align(
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alignment: Alignment.centerRight,
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child: Padding(
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padding: const EdgeInsets.only(bottom: 8),
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child: TextButton.icon(
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icon: const Icon(LucideIcons.trash2, size: 14),
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label: const Text('清除失败', style: TextStyle(fontSize: 12)),
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onPressed: () => _confirmClear(context, '失败', failedTasks.length, () => downloadManager.clearFailedTasks()),
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style: TextButton.styleFrom(
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foregroundColor: colorScheme.error,
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padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 4),
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minimumSize: Size.zero,
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tapTargetSize: MaterialTapTargetSize.shrinkWrap,
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),
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),
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),
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),
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if (completedTasks.isNotEmpty && failedTasks.isEmpty)
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Align(
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alignment: Alignment.centerRight,
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child: Padding(
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padding: const EdgeInsets.only(bottom: 8),
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child: TextButton.icon(
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icon: const Icon(LucideIcons.trash2, size: 14),
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label: const Text('清除已完成', style: TextStyle(fontSize: 12)),
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onPressed: () => _confirmClear(context, '已完成', completedTasks.length, () => downloadManager.clearCompletedTasks()),
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style: TextButton.styleFrom(
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foregroundColor: colorScheme.error,
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padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 4),
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minimumSize: Size.zero,
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tapTargetSize: MaterialTapTargetSize.shrinkWrap,
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),
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),
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),
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),
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SizedBox(
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width: double.infinity,
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child: Card(
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margin: EdgeInsets.zero,
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clipBehavior: Clip.antiAlias,
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child: DataTable(
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headingRowColor: WidgetStateProperty.all(colorScheme.surfaceContainerHighest),
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columnSpacing: 24,
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columns: const [
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DataColumn(label: Text('名称')),
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DataColumn(label: Text('状态')),
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DataColumn(label: Text('进度')),
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DataColumn(label: Text('大小')),
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DataColumn(label: Text('速度/完成时间')),
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DataColumn(label: Text('操作')),
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],
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rows: sortedTasks.map((task) => _buildDownloadDataRow(context, task, downloadManager)).toList(),
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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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DataRow _buildDownloadDataRow(
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BuildContext context,
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DownloadTaskModel task,
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DownloadManagerProvider downloadManager,
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) {
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final colorScheme = Theme.of(context).colorScheme;
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final errorColor = colorScheme.error;
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final statusColor = _getStatusColor(task.status, waitingForWifi: task.waitingForWifi);
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final statusIcon = _getStatusIcon(task.status, waitingForWifi: task.waitingForWifi);
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final isActive = task.status == DownloadStatus.downloading ||
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task.status == DownloadStatus.waiting ||
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task.status == DownloadStatus.paused;
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return DataRow(
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cells: [
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// 名称 (with status icon)
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DataCell(
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Row(
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mainAxisSize: MainAxisSize.min,
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children: [
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Container(
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width: 36,
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height: 36,
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decoration: BoxDecoration(
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color: statusColor.withValues(alpha: 0.1),
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borderRadius: BorderRadius.circular(8),
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),
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child: Icon(statusIcon, size: 18, color: statusColor),
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),
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const SizedBox(width: 10),
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Flexible(
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child: Text(
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task.fileName,
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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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],
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),
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),
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// 状态
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DataCell(
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Text(
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task.statusText,
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style: TextStyle(color: statusColor, fontSize: 13),
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),
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),
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// 进度
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DataCell(
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isActive
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? Row(
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mainAxisSize: MainAxisSize.min,
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children: [
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SizedBox(
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width: 80,
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child: LinearProgressIndicator(
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value: task.status == DownloadStatus.paused ? null : task.progress,
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backgroundColor: colorScheme.surfaceContainerHighest,
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valueColor: AlwaysStoppedAnimation<Color>(colorScheme.primary),
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),
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),
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const SizedBox(width: 8),
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Text(
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task.status == DownloadStatus.paused ? '已暂停' : task.progressText,
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style: const TextStyle(fontSize: 12),
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),
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],
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)
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: Text(
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task.status == DownloadStatus.completed ? '100%' : '-',
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style: const TextStyle(fontSize: 12),
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),
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),
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// 大小
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DataCell(
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Text(
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DownloadService.getReadableFileSize(task.fileSize),
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style: const TextStyle(fontSize: 13),
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),
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),
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// 速度/完成时间
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DataCell(
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Text(
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task.status == DownloadStatus.completed
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? (task.completedAt != null ? _formatDateTime(task.completedAt!) : '-')
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: (task.speedText.isNotEmpty ? task.speedText : '-'),
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style: TextStyle(
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fontSize: 13,
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color: task.status == DownloadStatus.completed
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? null
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: (task.speedText.isNotEmpty ? colorScheme.primary : null),
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),
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),
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),
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// 操作
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DataCell(
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Row(
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mainAxisSize: MainAxisSize.min,
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children: _buildDesktopActionButtons(context, task, downloadManager, errorColor),
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),
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),
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],
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);
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}
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List<Widget> _buildDesktopActionButtons(
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BuildContext context,
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DownloadTaskModel task,
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DownloadManagerProvider downloadManager,
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Color errorColor,
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) {
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switch (task.status) {
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case DownloadStatus.waiting:
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if (task.waitingForWifi) {
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return [
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IconButton(
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icon: Icon(Icons.cancel, size: 18, color: errorColor),
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onPressed: () => downloadManager.cancelDownload(task.id),
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tooltip: '取消',
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),
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];
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}
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return [];
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case DownloadStatus.downloading:
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return [
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IconButton(
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icon: const Icon(Icons.pause, size: 18),
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onPressed: () => downloadManager.pauseDownload(task.id),
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tooltip: '暂停',
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),
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];
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case DownloadStatus.paused:
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return [
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IconButton(
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icon: const Icon(Icons.play_arrow, size: 18),
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onPressed: () => downloadManager.resumeDownload(task.id),
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tooltip: '继续',
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),
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IconButton(
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icon: Icon(Icons.cancel, size: 18, color: errorColor),
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onPressed: () => downloadManager.cancelDownload(task.id),
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tooltip: '取消',
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),
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];
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case DownloadStatus.failed:
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return [
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IconButton(
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icon: const Icon(Icons.refresh, size: 18),
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onPressed: () => downloadManager.retryDownload(task.id),
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tooltip: '重试',
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),
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IconButton(
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icon: Icon(Icons.delete, size: 18, color: errorColor),
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onPressed: () => _confirmDeleteDownloadTask(context, task, downloadManager),
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tooltip: '删除',
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),
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];
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case DownloadStatus.completed:
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final showOpenFolder = !Platform.isAndroid;
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return [
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IconButton(
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icon: const Icon(Icons.open_in_new, size: 18),
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onPressed: () => _openDownloadedFile(context, task),
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tooltip: '打开',
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),
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if (showOpenFolder)
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IconButton(
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icon: const Icon(Icons.folder_open, size: 18),
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onPressed: () => _openFileFolder(context, task),
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tooltip: '打开文件夹',
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),
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IconButton(
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icon: Icon(Icons.delete_outline, size: 18, color: errorColor),
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onPressed: () => _confirmDeleteDownloadTask(context, task, downloadManager),
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tooltip: '删除',
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),
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];
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case DownloadStatus.cancelled:
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return [];
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}
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}
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IconData _getStatusIcon(DownloadStatus status, {bool waitingForWifi = false}) {
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switch (status) {
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case DownloadStatus.waiting:
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return waitingForWifi ? LucideIcons.wifi : LucideIcons.clock;
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case DownloadStatus.downloading:
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return LucideIcons.download;
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case DownloadStatus.completed:
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return LucideIcons.checkCircle2;
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case DownloadStatus.paused:
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return LucideIcons.pause;
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case DownloadStatus.failed:
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case DownloadStatus.cancelled:
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return LucideIcons.xCircle;
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}
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}
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Color _getStatusColor(DownloadStatus status, {bool waitingForWifi = false}) {
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switch (status) {
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case DownloadStatus.waiting:
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return waitingForWifi ? Colors.blue : Colors.grey;
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case DownloadStatus.downloading:
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return Colors.blue;
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case DownloadStatus.completed:
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return Colors.green;
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case DownloadStatus.paused:
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return Colors.orange;
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case DownloadStatus.failed:
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case DownloadStatus.cancelled:
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return Colors.red;
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}
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}
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Future<void> checkInstallPermission() async {
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if (await Permission.requestInstallPackages.isDenied) {
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await Permission.requestInstallPackages.request();
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}
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}
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Future<void> _openDownloadedFile(
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BuildContext context,
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DownloadTaskModel task,
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) async {
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final file = File(task.savePath);
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if (!await file.exists()) {
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if (context.mounted) {
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ToastHelper.error('文件不存在：${task.fileName}');
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}
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return;
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||||
}
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try {
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final ext = task.savePath.toString().split('.').last.toLowerCase();
|
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if (ext == 'apk') {
|
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await checkInstallPermission();
|
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}
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OpenResult openResult = await OpenFile.open(task.savePath);
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AppLogger.d('下载对话框打开文件结果：${openResult.type}');
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if (openResult.type == ResultType.done) {
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AppLogger.d('成功打开文件：${task.fileName}');
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} else {
|
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if (context.mounted) {
|
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ToastHelper.error(
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'无法打开文件：${task.fileName} 错误信息: ${openResult.message}',
|
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);
|
||||
}
|
||||
}
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||||
} catch (e) {
|
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if (context.mounted) {
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||||
ToastHelper.error('打开文件失败：$e');
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||||
}
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||||
}
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||||
}
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||||
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||||
Future<void> _openFileFolder(
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BuildContext context,
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||||
DownloadTaskModel task,
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||||
) async {
|
||||
try {
|
||||
final dir = File(task.savePath).parent.path;
|
||||
final result = await OpenFile.open(dir);
|
||||
if (result.type != ResultType.done && context.mounted) {
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||||
ToastHelper.error('无法打开文件夹：${result.message}');
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||||
}
|
||||
} catch (e) {
|
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if (context.mounted) {
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ToastHelper.error('打开文件夹失败：$e');
|
||||
}
|
||||
}
|
||||
}
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||||
|
||||
Widget _buildSectionHeader(
|
||||
BuildContext context,
|
||||
String title,
|
||||
int count, {
|
||||
String? actionLabel,
|
||||
VoidCallback? onAction,
|
||||
}) {
|
||||
final theme = Theme.of(context);
|
||||
return Padding(
|
||||
padding: const EdgeInsets.fromLTRB(16, 16, 8, 4),
|
||||
child: Row(
|
||||
children: [
|
||||
Text(
|
||||
'$title ($count)',
|
||||
style: theme.textTheme.titleSmall?.copyWith(
|
||||
color: theme.hintColor,
|
||||
fontWeight: FontWeight.w600,
|
||||
),
|
||||
),
|
||||
const Spacer(),
|
||||
if (actionLabel != null && onAction != null)
|
||||
TextButton.icon(
|
||||
icon: const Icon(LucideIcons.trash2, size: 14),
|
||||
label: Text(actionLabel, style: const TextStyle(fontSize: 12)),
|
||||
onPressed: onAction,
|
||||
style: TextButton.styleFrom(
|
||||
foregroundColor: theme.colorScheme.error,
|
||||
padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 4),
|
||||
minimumSize: Size.zero,
|
||||
tapTargetSize: MaterialTapTargetSize.shrinkWrap,
|
||||
),
|
||||
),
|
||||
],
|
||||
),
|
||||
);
|
||||
}
|
||||
|
||||
Future<void> _confirmClear(BuildContext context, String label, int count, VoidCallback onConfirm) async {
|
||||
final confirmed = await showDialog<bool>(
|
||||
context: context,
|
||||
builder: (ctx) => AlertDialog(
|
||||
title: Text('清除$label'),
|
||||
content: Text('确定要清除 $count 个$label的任务吗？'),
|
||||
actions: [
|
||||
TextButton(
|
||||
onPressed: () => Navigator.of(ctx).pop(false),
|
||||
child: const Text('取消'),
|
||||
),
|
||||
FilledButton(
|
||||
onPressed: () => Navigator.of(ctx).pop(true),
|
||||
style: FilledButton.styleFrom(backgroundColor: Theme.of(ctx).colorScheme.error),
|
||||
child: const Text('清除'),
|
||||
),
|
||||
],
|
||||
),
|
||||
);
|
||||
if (confirmed == true) onConfirm();
|
||||
}
|
||||
|
||||
Future<void> _confirmDeleteDownloadTask(
|
||||
BuildContext context,
|
||||
DownloadTaskModel task,
|
||||
DownloadManagerProvider downloadManager,
|
||||
) async {
|
||||
final confirmed = await showDialog<bool>(
|
||||
context: context,
|
||||
builder: (ctx) => AlertDialog(
|
||||
title: const Text('删除下载任务'),
|
||||
content: Column(
|
||||
mainAxisSize: MainAxisSize.min,
|
||||
crossAxisAlignment: CrossAxisAlignment.start,
|
||||
children: [
|
||||
const Text('确定要删除该任务吗？'),
|
||||
const SizedBox(height: 8),
|
||||
Text(task.fileName, style: const TextStyle(fontWeight: FontWeight.w500)),
|
||||
const SizedBox(height: 4),
|
||||
Text('下载时间: ${_formatDateTime(task.createdAt)}', style: TextStyle(fontSize: 12, color: Theme.of(ctx).hintColor)),
|
||||
Text('文件大小: ${date_utils.DateUtils.formatFileSize(task.fileSize)}', style: TextStyle(fontSize: 12, color: Theme.of(ctx).hintColor)),
|
||||
],
|
||||
),
|
||||
actions: [
|
||||
TextButton(
|
||||
onPressed: () => Navigator.of(ctx).pop(false),
|
||||
child: const Text('取消'),
|
||||
),
|
||||
FilledButton(
|
||||
onPressed: () => Navigator.of(ctx).pop(true),
|
||||
style: FilledButton.styleFrom(backgroundColor: Theme.of(ctx).colorScheme.error),
|
||||
child: const Text('删除'),
|
||||
),
|
||||
],
|
||||
),
|
||||
);
|
||||
if (confirmed == true) downloadManager.deleteDownloadTask(task.id);
|
||||
}
|
||||
|
||||
String _formatDateTime(DateTime dateTime) {
|
||||
final now = DateTime.now();
|
||||
final difference = now.difference(dateTime);
|
||||
|
||||
if (difference.inSeconds < 60) {
|
||||
return '刚刚';
|
||||
} else if (difference.inMinutes < 60) {
|
||||
return '${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')}';
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user