follow and favorite callbacks

lib/components/illust_widget.dart

@@ -9,6 +9,8 @@ import '../network/network.dart';
 import '../pages/illust_page.dart';
 import 'md.dart';
 
+typedef UpdateFavoriteFunc = void Function(bool v);
+
 class IllustWidget extends StatefulWidget {
   const IllustWidget(this.illust, {this.onTap, super.key});
 
@@ -16,6 +18,8 @@ class IllustWidget extends StatefulWidget {
 
   final void Function()? onTap;
 
+  static Map<String, UpdateFavoriteFunc> favoriteCallbacks = {};
+
   @override
   State<IllustWidget> createState() => _IllustWidgetState();
 }
@@ -26,6 +30,22 @@ class _IllustWidgetState extends State<IllustWidget> {
   final contextController = FlyoutController();
   final contextAttachKey = GlobalKey();
 
+  @override
+  void initState() {
+    IllustWidget.favoriteCallbacks[widget.illust.id.toString()] = (v) {
+      setState(() {
+        widget.illust.isBookmarked = v;
+      });
+    };
+    super.initState();
+  }
+
+  @override
+  void dispose() {
+    IllustWidget.favoriteCallbacks.remove(widget.illust.id.toString());
+    super.dispose();
+  }
+
   @override
   Widget build(BuildContext context) {
     return LayoutBuilder(builder: (context, constrains) {
@@ -48,11 +68,7 @@ class _IllustWidgetState extends State<IllustWidget> {
                   margin: EdgeInsets.zero,
                   child: GestureDetector(
                     onTap: widget.onTap ?? (){
-                      context.to(() => IllustPage(widget.illust, favoriteCallback: (v) {
-                        setState(() {
-                          widget.illust.isBookmarked = v;
-                        });
-                      },));
+                      context.to(() => IllustPage(widget.illust));
                     },
                     onSecondaryTapUp: showMenu,
                     child: ClipRRect(
@@ -181,11 +197,7 @@ class _IllustWidgetState extends State<IllustWidget> {
         return MenuFlyout(
           items: [
             MenuFlyoutItem(text: Text("View".tl), onPressed: (){
-              context.to(() => IllustPage(widget.illust, favoriteCallback: (v) {
-                setState(() {
-                  widget.illust.isBookmarked = v;
-                });
-              },));
+              context.to(() => IllustPage(widget.illust));
             }),
             MenuFlyoutItem(text: Text("Private Favorite".tl), onPressed: (){
               favorite("private");

lib/components/user_preview.dart

@@ -4,22 +4,43 @@ import 'package:fluent_ui/fluent_ui.dart';
 import 'package:pixes/components/animated_image.dart';
 import 'package:pixes/foundation/app.dart';
 import 'package:pixes/foundation/image_provider.dart';
+import 'package:pixes/pages/illust_page.dart';
 import 'package:pixes/pages/user_info_page.dart';
 import 'package:pixes/utils/translation.dart';
 
 import '../network/network.dart';
 import 'md.dart';
 
+typedef UpdateFollowCallback = void Function(bool isFollowed);
+
 class UserPreviewWidget extends StatefulWidget {
   const UserPreviewWidget(this.user, {super.key});
 
   final UserPreview user;
 
+  static Map<String, UpdateFollowCallback> followCallbacks = {};
+
   @override
   State<UserPreviewWidget> createState() => _UserPreviewWidgetState();
 }
 
 class _UserPreviewWidgetState extends State<UserPreviewWidget> {
+  @override
+  void initState() {
+    UserPreviewWidget.followCallbacks[widget.user.id.toString()] = (v) {
+      setState(() {
+        widget.user.isFollowed = v;
+      });
+    };
+    super.initState();
+  }
+
+  @override
+  void dispose() {
+    UserPreviewWidget.followCallbacks.remove(widget.user.id.toString());
+    super.dispose();
+  }
+
   bool isFollowing = false;
 
   void follow() async {
@@ -39,6 +60,9 @@ class _UserPreviewWidgetState extends State<UserPreviewWidget> {
     setState(() {
       isFollowing = false;
     });
+    UserInfoPage.followCallbacks[widget.user.id.toString()]
+        ?.call(widget.user.isFollowed);
+    IllustPage.updateFollow(widget.user.id.toString(), widget.user.isFollowed);
   }
 
   @override