download some codes

lib/component/download_list_item_component.dart

@@ -0,0 +1,182 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_font_icons/flutter_font_icons.dart';
+import 'package:nowser/const/base.dart';
+import 'package:nowser/data/download_log.dart';
+import 'package:nowser/main.dart';
+import 'package:nowser/util/file_size_util.dart';
+import 'package:path/path.dart' as path;
+
+class DownloadListItemComponent extends StatelessWidget {
+  DownloadLog downloadLog;
+
+  DownloadListItemComponent(this.downloadLog);
+
+  @override
+  Widget build(BuildContext context) {
+    var themeData = Theme.of(context);
+
+    Widget fileIconWidget = const Icon(
+      AntDesign.file1,
+      size: 40,
+    );
+    if (downloadLog.fileName != null) {
+      var mimeType = getFileType(downloadLog.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 = GestureDetector(
+      onTap: () {},
+      child: const Icon(
+        Icons.more_horiz,
+      ),
+    );
+    if (downloadLog.progress != null) {
+      rightIcon = GestureDetector(
+        onTap: () {},
+        child: const Icon(
+          Icons.stop_circle_outlined,
+        ),
+      );
+    }
+
+    Widget fileStatusWidget = Container();
+    if (downloadLog.progress != null) {
+      fileStatusWidget = Text(
+        "${(downloadLog.progress! * 100).toStringAsFixed(1)}%",
+        style: TextStyle(
+          fontSize: themeData.textTheme.bodySmall!.fontSize,
+          color: themeData.hintColor,
+        ),
+      );
+    } else if (downloadLog.fileSize != null) {
+      fileStatusWidget = Text(
+        FileSizeUtil.getFileSize(downloadLog.fileSize!),
+        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(
+                    downloadLog.fileName ?? "unknow_file",
+                    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',
+  };
+}

lib/component/download_task_dialog.dart

@@ -0,0 +1,121 @@
+import 'package:flutter/material.dart';
+import 'package:nostr_sdk/utils/platform_util.dart';
+import 'package:nowser/provider/download_provider.dart';
+import 'package:nowser/util/router_util.dart';
+
+import '../const/base.dart';
+import '../generated/l10n.dart';
+import '../main.dart';
+import '../util/table_mode_util.dart';
+
+class DownloadTaskDialog extends StatefulWidget {
+  String downloadUrl;
+
+  DownloadTaskDialog(this.downloadUrl);
+
+  static Future<void> show(BuildContext context, String downloadUrl) async {
+    await showDialog<String>(
+      context: context,
+      builder: (_context) {
+        return DownloadTaskDialog(downloadUrl);
+      },
+    );
+  }
+
+  @override
+  State<StatefulWidget> createState() {
+    return _DownloadTaskDialog();
+  }
+}
+
+class _DownloadTaskDialog extends State<DownloadTaskDialog> {
+  TextEditingController urlTextController = TextEditingController();
+
+  TextEditingController fileNameTextController = TextEditingController();
+
+  late S s;
+
+  @override
+  void initState() {
+    super.initState();
+    String fileName =
+        widget.downloadUrl.substring(widget.downloadUrl.lastIndexOf('/') + 1);
+
+    urlTextController.text = widget.downloadUrl;
+    fileNameTextController.text = fileName;
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    var themeData = Theme.of(context);
+    s = S.of(context);
+
+    List<Widget> list = [];
+    list.add(Container(
+      margin: EdgeInsets.only(
+        bottom: Base.BASE_PADDING,
+      ),
+      child: Text(
+        s.Downloads,
+        style: TextStyle(
+          fontSize: themeData.textTheme.bodyLarge!.fontSize,
+          fontWeight: FontWeight.bold,
+        ),
+      ),
+    ));
+
+    list.add(Container(
+      child: TextField(
+        controller: urlTextController,
+        decoration: InputDecoration(
+          labelText: s.Url,
+        ),
+      ),
+    ));
+
+    list.add(Container(
+      child: TextField(
+        controller: fileNameTextController,
+        decoration: InputDecoration(
+          labelText: s.Name,
+        ),
+      ),
+    ));
+
+    list.add(Container(
+      margin: EdgeInsets.only(
+        top: Base.BASE_PADDING * 2,
+        bottom: Base.BASE_PADDING,
+      ),
+      width: double.infinity,
+      child: FilledButton(onPressed: confirm, child: Text(s.Confirm)),
+    ));
+
+    Widget main = Container(
+      child: Column(
+        mainAxisSize: MainAxisSize.min,
+        children: list,
+      ),
+    );
+    if (PlatformUtil.isPC() || TableModeUtil.isTableMode()) {
+      main = Container(
+        width: mediaDataCache.size.width / 2,
+        child: main,
+      );
+    }
+
+    return Dialog(
+      child: Container(
+        padding: EdgeInsets.all(Base.BASE_PADDING * 2),
+        child: main,
+      ),
+    );
+  }
+
+  void confirm() {
+    var url = urlTextController.text;
+    var fileName = fileNameTextController.text;
+    downloadProvider.startDownload(url, fileName);
+    RouterUtil.back(context);
+  }
+}

lib/component/webview/long_press_dialog.dart

@@ -1,6 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:nostr_sdk/utils/string_util.dart';
+import 'package:nowser/component/download_task_dialog.dart';
 import 'package:nowser/main.dart';
 
 import '../../const/base.dart';
@@ -98,7 +99,9 @@ class _LongPressDialog extends State<LongPressDialog> {
       ));
       list.add(LongPressDialogItem(
         s.Download_image,
-        onTap: () {},
+        onTap: () {
+          DownloadTaskDialog.show(context, src);
+        },
         showBottomLine: false,
       ));
     }
@@ -180,10 +183,10 @@ class LongPressDialogItem extends StatelessWidget {
 
     return GestureDetector(
       onTap: () {
+        RouterUtil.back(context);
         if (onTap != null) {
           onTap!();
         }
-        RouterUtil.back(context);
       },
       child: Container(
         decoration: BoxDecoration(

lib/component/webview/webview_component.dart

@@ -7,6 +7,7 @@ import 'package:flutter_inappwebview/flutter_inappwebview.dart';
 import 'package:nostr_sdk/event.dart';
 import 'package:nostr_sdk/utils/platform_util.dart';
 import 'package:nostr_sdk/utils/string_util.dart';
+import 'package:nowser/component/download_task_dialog.dart';
 import 'package:nowser/component/webview/long_press_dialog.dart';
 import 'package:nowser/component/webview/web_info.dart';
 import 'package:nowser/const/app_type.dart';
@@ -224,6 +225,11 @@ class _WebViewComponent extends State<WebViewComponent>
             }
           }
         },
+        onDownloadStartRequest: (InAppWebViewController controller,
+            DownloadStartRequest downloadStartRequest) {
+          String downloadUrl = downloadStartRequest.url.path;
+          DownloadTaskDialog.show(context, downloadUrl);
+        },
       ),
     );
   }