✨ Paste to upload

lib/exts.dart

@@ -8,6 +8,10 @@ extension SolianExtenions on BuildContext {
     ));
   }
 
+  void clearSnackbar() {
+    ScaffoldMessenger.of(this).clearSnackBars();
+  }
+
   Future<void> showErrorDialog(dynamic exception) {
     return showDialog<void>(
       useRootNavigator: true,

lib/translations.dart

@@ -99,12 +99,16 @@ class SolianMessages extends Translations {
           'attachmentAddGalleryVideo': 'Gallery video',
           'attachmentAddCameraPhoto': 'Capture photo',
           'attachmentAddCameraVideo': 'Capture video',
+          'attachmentAddClipboard': 'Paste file',
           'attachmentAddFile': 'Attach file',
           'attachmentSetting': 'Adjust attachment',
           'attachmentAlt': 'Alternative text',
           'attachmentLoadFailed': 'Load Attachment Failed',
           'attachmentLoadFailedCaption':
               'Something went wrong during loading the attachment metadata...',
+          'attachmentUploading': 'Uploading @name...',
+          'attachmentUploadingWebMode':
+              'Uploading @name... Due to browser\'s limitation, calculate attachment information may cause some lag...',
           'realm': 'Realm',
           'realms': 'Realms',
           'realmOrganizing': 'Organize a realm',
@@ -325,11 +329,15 @@ class SolianMessages extends Translations {
           'attachmentAddGalleryVideo': '相册视频',
           'attachmentAddCameraPhoto': '拍摄图片',
           'attachmentAddCameraVideo': '拍摄视频',
+          'attachmentAddClipboard': '粘贴文件',
           'attachmentAddFile': '附加文件',
           'attachmentSetting': '调整附件',
           'attachmentAlt': '替代文字',
           'attachmentLoadFailed': '加载失败',
           'attachmentLoadFailedCaption': '有错误发生于加载附件元数据的过程中了…',
+          'attachmentUploading': '上传附件 @name 中…',
+          'attachmentUploadingWebMode':
+              '上传附件 @name 中… 由于浏览器单线程限制，计算所需资源可能会导致界面卡顿…',
           'realm': '领域',
           'realms': '领域',
           'realmOrganizing': '组织领域',

lib/widgets/attachments/attachment_publish.dart

@@ -1,19 +1,20 @@
 import 'dart:async';
 import 'dart:io';
-import 'dart:isolate';
 import 'dart:math' as math;
 import 'dart:typed_data';
 
-import 'package:crypto/crypto.dart';
 import 'package:file_picker/file_picker.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_animate/flutter_animate.dart';
 import 'package:get/get.dart';
 import 'package:image_picker/image_picker.dart';
+import 'package:path/path.dart' show basename;
 import 'package:solian/exts.dart';
 import 'package:solian/models/attachment.dart';
+import 'package:solian/platform.dart';
 import 'package:solian/providers/auth.dart';
 import 'package:solian/providers/content/attachment.dart';
+import 'package:super_clipboard/super_clipboard.dart';
 import 'package:super_drag_and_drop/super_drag_and_drop.dart';
 
 class AttachmentPublishPopup extends StatefulWidget {
@@ -153,10 +154,48 @@ class _AttachmentPublishPopupState extends State<AttachmentPublishPopup> {
     setState(() => _isBusy = false);
   }
 
+  void pasteFileToUpload() async {
+    final clipboard = SystemClipboard.instance;
+    if (clipboard == null) return;
+    final reader = await clipboard.read();
+    for (final format in Formats.standardFormats.whereType<FileFormat>()) {
+      if (reader.canProvide(format)) {
+        reader.getFile(format, (file) async {
+          final data = await file.readAll();
+          await uploadAttachment(
+            data,
+            file.fileName ?? 'unknown',
+            await calculateBytesSha256(data),
+          );
+        });
+      }
+    }
+  }
+
+  void handlePasteFile(ClipboardReadEvent event) async {
+    final reader = await event.getClipboardReader();
+    for (final format in Formats.standardFormats.whereType<FileFormat>()) {
+      if (reader.canProvide(format)) {
+        reader.getFile(format, (file) async {
+          final data = await file.readAll();
+          await uploadAttachment(
+            data,
+            file.fileName ?? 'unknown',
+            await calculateBytesSha256(data),
+          );
+        });
+      }
+    }
+  }
+
   Future<void> uploadAttachment(Uint8List data, String path, String hash,
       {double? ratio}) async {
     final AttachmentProvider provider = Get.find();
     try {
+      context.showSnackbar((PlatformInfo.isWeb
+              ? 'attachmentUploadingWebMode'
+              : 'attachmentUploading')
+          .trParams({'name': basename(path)}));
       final resp = await provider.createAttachment(
         data,
         path,
@@ -167,6 +206,7 @@ class _AttachmentPublishPopupState extends State<AttachmentPublishPopup> {
       var result = Attachment.fromJson(resp.body);
       setState(() => _attachments.add(result));
       widget.onUpdate(_attachments.map((e) => e!.id).toList());
+      context.clearSnackbar();
     } catch (err) {
       rethrow;
     }
@@ -222,11 +262,13 @@ class _AttachmentPublishPopupState extends State<AttachmentPublishPopup> {
   void initState() {
     super.initState();
     revertMetadataList();
+    ClipboardEvents.instance?.registerPasteEventListener(handlePasteFile);
   }
 
   @override
   void dispose() {
     super.dispose();
+    ClipboardEvents.instance?.unregisterPasteEventListener(handlePasteFile);
   }
 
   @override
@@ -256,11 +298,9 @@ class _AttachmentPublishPopupState extends State<AttachmentPublishPopup> {
                     final data = await file.readAll();
                     await uploadAttachment(
                       data,
-                      file.fileName ?? 'attachment',
+                      file.fileName ?? 'unknown',
                       await calculateBytesSha256(data),
                     );
-                  }, onError: (error) {
-                    print('Error reading value $error');
                   });
                 }
               }
@@ -359,6 +399,13 @@ class _AttachmentPublishPopupState extends State<AttachmentPublishPopup> {
                     alignment: WrapAlignment.center,
                     runAlignment: WrapAlignment.center,
                     children: [
+                      if (PlatformInfo.isDesktop)
+                        ElevatedButton.icon(
+                          icon: const Icon(Icons.paste),
+                          label: Text('attachmentAddClipboard'.tr),
+                          style: const ButtonStyle(visualDensity: density),
+                          onPressed: () => pasteFileToUpload(),
+                        ),
                       ElevatedButton.icon(
                         icon: const Icon(Icons.add_photo_alternate),
                         label: Text('attachmentAddGalleryPhoto'.tr),

lib/widgets/posts/post_item.dart

@@ -134,15 +134,17 @@ class _PostItemState extends State<PostItem> {
               size: 16,
               color: Theme.of(context).colorScheme.onSurface.withOpacity(0.75),
             ),
-            Text(
-              'postRepliedNotify'.trParams(
-                {'username': '@${widget.item.replyTo!.author.name}'},
-              ),
-              style: TextStyle(
-                color:
-                    Theme.of(context).colorScheme.onSurface.withOpacity(0.75),
-              ),
-            ).paddingOnly(left: 6),
+            Expanded(
+              child: Text(
+                'postRepliedNotify'.trParams(
+                  {'username': '@${widget.item.replyTo!.author.name}'},
+                ),
+                style: TextStyle(
+                  color:
+                      Theme.of(context).colorScheme.onSurface.withOpacity(0.75),
+                ),
+              ).paddingOnly(left: 6),
+            ),
           ],
         ).paddingOnly(left: 12),
         Card(
@@ -167,15 +169,17 @@ class _PostItemState extends State<PostItem> {
               size: 16,
               color: Theme.of(context).colorScheme.onSurface.withOpacity(0.75),
             ),
-            Text(
-              'postRepostedNotify'.trParams(
-                {'username': '@${widget.item.repostTo!.author.name}'},
-              ),
-              style: TextStyle(
-                color:
-                    Theme.of(context).colorScheme.onSurface.withOpacity(0.75),
-              ),
-            ).paddingOnly(left: 6),
+            Expanded(
+              child: Text(
+                'postRepostedNotify'.trParams(
+                  {'username': '@${widget.item.repostTo!.author.name}'},
+                ),
+                style: TextStyle(
+                  color:
+                      Theme.of(context).colorScheme.onSurface.withOpacity(0.75),
+                ),
+              ).paddingOnly(left: 6),
+            ),
           ],
         ).paddingOnly(left: 12),
         Card(