nowser/lib/component/download_list_item_component.dart

import 'package:background_downloader/background_downloader.dart';
import 'package:bot_toast/bot_toast.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:flutter_font_icons/flutter_font_icons.dart';
import 'package:nowser/const/base.dart';
import 'package:nowser/main.dart';
import 'package:nowser/util/file_size_util.dart';
import 'package:path/path.dart' as path;

import '../generated/l10n.dart';

class DownloadListItemComponent extends StatefulWidget {
  // DownloadLog downloadLog;
  TaskRecord taskRecord;

  DownloadListItemComponent({
    required this.taskRecord,
  });

  @override
  State<StatefulWidget> createState() {
    return _DownloadListItemComponent();
  }
}

class _DownloadListItemComponent extends State<DownloadListItemComponent> {
  late S s;

  @override
  Widget build(BuildContext context) {
    var themeData = Theme.of(context);
    s = S.of(context);

    var taskRecord = widget.taskRecord;

    Widget fileIconWidget = const Icon(
      AntDesign.file1,
      size: 40,
    );
    var mimeType = getFileType(widget.taskRecord.task.filename);
    if (mimeType.contains("image")) {
      fileIconWidget = const Icon(
        Icons.image,
        size: 40,
      );
    } else if (mimeType.contains("markdown")) {
      fileIconWidget = const Icon(
        AntDesign.file_markdown,
        size: 40,
      );
    } else if (mimeType.contains("document")) {
      fileIconWidget = const Icon(
        AntDesign.filetext1,
        size: 40,
      );
    } else if (mimeType.contains("video")) {
      fileIconWidget = const Icon(
        Icons.movie,
        size: 40,
      );
    } else if (mimeType.contains("audio")) {
      fileIconWidget = const Icon(
        Icons.music_note,
        size: 40,
      );
    } else if (mimeType.contains("archive")) {
      fileIconWidget = const Icon(
        Icons.folder_zip,
        size: 40,
      );
    } else if (mimeType.contains("apk")) {
      fileIconWidget = const Icon(
        AntDesign.android,
        size: 40,
      );
    }

    Widget rightIcon = PopupMenuButton(
      child: const Icon(
        Icons.more_horiz,
      ),
      itemBuilder: (context) {
        return <PopupMenuEntry>[
          PopupMenuItem(
            child: Text(s.Copy_Link),
            onTap: () {
              Clipboard.setData(
                  ClipboardData(text: widget.taskRecord.task.url));
              BotToast.showText(text: s.Copy_success);
            },
          ),
          PopupMenuItem(
            child: Text(
              s.Delete,
              style: TextStyle(
                color: Colors.red,
              ),
            ),
            onTap: () {
              downloadProvider.deleteTasks([widget.taskRecord.taskId]);
            },
          ),
        ];
      },
    );
    if (taskRecord.status == TaskStatus.running) {
      rightIcon = GestureDetector(
        onTap: () {
          if (taskRecord.task is DownloadTask) {
            downloadProvider.pauseDownload(taskRecord.task as DownloadTask);
          }
        },
        child: const Icon(
          Icons.pause_circle_outline,
        ),
      );
    } else if (taskRecord.status == TaskStatus.paused) {
      rightIcon = GestureDetector(
        onTap: () {
          if (taskRecord.task is DownloadTask) {
            downloadProvider.resumeDownload(taskRecord.task as DownloadTask);
          }
        },
        child: const Icon(
          Icons.play_arrow,
        ),
      );
    }
    // print(taskRecord.status);

    Widget fileStatusWidget = Container();
    if (taskRecord.progress > 0 && taskRecord.progress < 1) {
      fileStatusWidget = Text(
        "${(taskRecord.progress * 100).toStringAsFixed(1)}%",
        style: TextStyle(
          fontSize: themeData.textTheme.bodySmall!.fontSize,
          color: themeData.hintColor,
        ),
      );
    } else if (taskRecord.expectedFileSize > 0) {
      fileStatusWidget = Text(
        FileSizeUtil.getFileSize(taskRecord.expectedFileSize),
        style: TextStyle(
          fontSize: themeData.textTheme.bodySmall!.fontSize,
          color: themeData.hintColor,
        ),
      );
    }

    return Container(
      padding: const EdgeInsets.only(
        left: Base.BASE_PADDING_HALF,
        right: Base.BASE_PADDING_HALF,
        top: 2,
        bottom: 2,
      ),
      child: Row(
        children: [
          Container(
            padding: const EdgeInsets.all(6),
            child: fileIconWidget,
          ),
          Expanded(
            child: Container(
              child: Column(
                mainAxisSize: MainAxisSize.min,
                crossAxisAlignment: CrossAxisAlignment.start,
                children: [
                  Text(
                    taskRecord.task.filename,
                    maxLines: 1,
                    overflow: TextOverflow.ellipsis,
                  ),
                  fileStatusWidget,
                ],
              ),
            ),
          ),
          Container(
            padding: const EdgeInsets.all(6),
            child: rightIcon,
          ),
        ],
      ),
    );
  }

  String getFileType(String filePath) {
    // 获取扩展名（含点，如 '.jpg'）
    String extension = path.extension(filePath).toLowerCase();

    // 处理无扩展名的情况
    if (extension.isEmpty) return 'other';

    // 去掉点并检查映射
    String cleanedExtension =
        extension.startsWith('.') ? extension.substring(1) : extension;

    return _fileExtensionToType[cleanedExtension] ?? 'other';
  }

  Map<String, String> _fileExtensionToType = {
    // 图片类型
    'jpg': 'image',
    'jpeg': 'image',
    'png': 'image',
    'gif': 'image',
    'webp': 'image',
    'bmp': 'image',
    'mp4': 'video',
    'mov': 'video',
    'avi': 'video',
    'mkv': 'video',
    'flv': 'video',
    'pdf': 'document',
    'doc': 'document',
    'docx': 'document',
    'xls': 'document',
    'xlsx': 'document',
    'ppt': 'document',
    'pptx': 'document',
    'txt': 'document',
    'md': 'markdown',
    'markdown': 'markdown',
    'mp3': 'audio',
    'wav': 'audio',
    'aac': 'audio',
    'ogg': 'audio',
    'zip': 'archive',
    'rar': 'archive',
    '7z': 'archive',
    'tar': 'archive',
    'gz': 'archive',
    'apk': 'apk',
  };
}