Add support to copy image url to clipboard

lib/components/image.dart

@@ -1,25 +1,43 @@
 import 'dart:typed_data';
 import 'package:flutter/material.dart';
 import 'package:flutter_gen/gen_l10n/app_localizations.dart';
+import 'package:logging/logging.dart';
 import 'package:super_clipboard/super_clipboard.dart';
 import 'package:super_context_menu/super_context_menu.dart';
 
+final _log = Logger("ImageWithContextMenu");
+
 class ImageWithContextMenu extends StatelessWidget {
-  const ImageWithContextMenu(this.data, {Key? key}) : super(key: key);
+  const ImageWithContextMenu(this.data, {Key? key, this.uri}) : super(key: key);
   final Uint8List data;
+  final String? uri;
   @override
   Widget build(BuildContext context) {
     return ContextMenuWidget(
         menuProvider: (_) {
-          return Menu(children: [
+          var list = [
             MenuAction(
                 title: AppLocalizations.of(context)!.copyImage,
                 callback: () {
                   final item = DataWriterItem();
                   item.add(Formats.jpeg(data));
-                  ClipboardWriter.instance.write([item]);
-                }),
-          ]);
+                  ClipboardWriter.instance.write([item]).catchError((err) {
+                    _log.warning("Failed to copy image to clipboard:", err);
+                  });
+                })
+          ];
+          if (uri != null) {
+            list.add(MenuAction(
+                title: AppLocalizations.of(context)!.copyImgUrl,
+                callback: () {
+                  final item = DataWriterItem();
+                  item.add(Formats.plainText(uri!));
+                  ClipboardWriter.instance.write([item]).catchError((err) {
+                    _log.warning("Failed to copy image to clipboard:", err);
+                  });
+                }));
+          }
+          return Menu(children: list);
         },
         child: Image.memory(data));
   }

lib/components/thumbnail.dart

@@ -46,6 +46,7 @@ class _Thumbnail extends State<Thumbnail> {
   Object? _error;
   int? _fileId;
   bool _showNsfw = false;
+  String? _uri;
   Future<void> _fetchData() async {
     try {
       _isLoading = true;
@@ -63,6 +64,7 @@ class _Thumbnail extends State<Thumbnail> {
         throw Exception(
             'Failed to get thumbnail: ${re.response.statusCode} ${re.response.statusMessage}');
       }
+      _uri = re.response.realUri.toString();
       final data = Uint8List.fromList(re.data);
       setState(() {
         _isLoading = false;
@@ -84,6 +86,7 @@ class _Thumbnail extends State<Thumbnail> {
     _error = null;
     _fileId = widget._fileId;
     _showNsfw = false;
+    _uri = null;
     super.initState();
   }
 
@@ -111,7 +114,8 @@ class _Thumbnail extends State<Thumbnail> {
                                       sigmaX: 10,
                                       sigmaY: 10,
                                       tileMode: TileMode.decal),
-                                  child: ImageWithContextMenu(_data!))),
+                                  child:
+                                      ImageWithContextMenu(_data!, uri: _uri))),
                           SizedBox(
                               width: widget.width.toDouble(),
                               height: widget.height.toDouble(),
@@ -127,7 +131,7 @@ class _Thumbnail extends State<Thumbnail> {
                               ))
                         ],
                       )
-                    : ImageWithContextMenu(_data!)
+                    : ImageWithContextMenu(_data!, uri: _uri)
                 : Text("Error $_error"));
   }
 }

lib/l10n/app_en.arb

@@ -27,5 +27,6 @@
     "read": "Read",
     "download": "Download",
     "colon": ":",
-    "copyImage": "Copy image to clipboard"
+    "copyImage": "Copy image to clipboard",
+    "copyImgUrl": "Copy image URL to clipboard"
 }

lib/l10n/app_zh.arb

@@ -27,5 +27,6 @@
     "read": "阅读",
     "download": "下载",
     "colon": "：",
-    "copyImage": "复制图片到剪贴板"
+    "copyImage": "复制图片到剪贴板",
+    "copyImgUrl": "复制图片链接到剪贴板"
 }