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

lib/pages/illust_page.dart

@@ -11,6 +11,7 @@ import 'package:pixes/components/loading.dart';
 import 'package:pixes/components/message.dart';
 import 'package:pixes/components/page_route.dart';
 import 'package:pixes/components/title_bar.dart';
+import 'package:pixes/components/user_preview.dart';
 import 'package:pixes/foundation/app.dart';
 import 'package:pixes/foundation/image_provider.dart';
 import 'package:pixes/network/download.dart';
@@ -128,22 +129,47 @@ class _IllustGalleryPageState extends State<IllustGalleryPage> {
 }
 
 class IllustPage extends StatefulWidget {
-  const IllustPage(this.illust,
-      {this.favoriteCallback, this.nextPage, this.previousPage, super.key});
+  const IllustPage(this.illust, {this.nextPage, this.previousPage, super.key});
 
   final Illust illust;
 
-  final void Function(bool)? favoriteCallback;
-
   final void Function()? nextPage;
 
   final void Function()? previousPage;
 
+  static Map<String, UpdateFollowCallback> followCallbacks = {};
+
+  static void updateFollow(String uid, bool isFollowed) {
+    followCallbacks.forEach((key, value) {
+      if (key.startsWith("$uid#")) {
+        value(isFollowed);
+      }
+    });
+  }
+
   @override
   State<IllustPage> createState() => _IllustPageState();
 }
 
 class _IllustPageState extends State<IllustPage> {
+  String get id => "${widget.illust.author.id}#${widget.illust.id}";
+
+  @override
+  void initState() {
+    IllustPage.followCallbacks[id] = (v) {
+      setState(() {
+        widget.illust.author.isFollowed = v;
+      });
+    };
+    super.initState();
+  }
+
+  @override
+  void dispose() {
+    IllustPage.followCallbacks.remove(id);
+    super.dispose();
+  }
+
   @override
   Widget build(BuildContext context) {
     var isBlocked = checkIllusts([widget.illust]).isEmpty;
@@ -168,7 +194,6 @@ class _IllustPageState extends State<IllustPage> {
                     widget.illust,
                     constrains.maxHeight,
                     constrains.maxWidth,
-                    favoriteCallback: widget.favoriteCallback,
                     updateCallback: () => setState(() {}),
                   ),
                 if (isBlocked)
@@ -320,10 +345,7 @@ class _IllustPageState extends State<IllustPage> {
 }
 
 class _BottomBar extends StatefulWidget {
-  const _BottomBar(this.illust, this.height, this.width,
-      {this.favoriteCallback, this.updateCallback});
-
-  final void Function(bool)? favoriteCallback;
+  const _BottomBar(this.illust, this.height, this.width, {this.updateCallback});
 
   final void Function()? updateCallback;
 
@@ -538,6 +560,10 @@ class _BottomBarState extends State<_BottomBar> with TickerProviderStateMixin {
       setState(() {
         isFollowing = false;
       });
+      UserInfoPage.followCallbacks[widget.illust.author.id.toString()]
+          ?.call(widget.illust.author.isFollowed);
+      UserPreviewWidget.followCallbacks[widget.illust.author.id.toString()]
+          ?.call(widget.illust.author.isFollowed);
     }
 
     final bool showUserName = MediaQuery.of(context).size.width > 640;
@@ -561,9 +587,6 @@ class _BottomBarState extends State<_BottomBar> with TickerProviderStateMixin {
                   child: GestureDetector(
                     onTap: () => context.to(() => UserInfoPage(
                           widget.illust.author.id.toString(),
-                          followCallback: (b) => setState(() {
-                            widget.illust.author.isFollowed = b;
-                          }),
                         )),
                     child: AnimatedImage(
                       image: CachedImageProvider(widget.illust.author.avatar),
@@ -633,7 +656,8 @@ class _BottomBarState extends State<_BottomBar> with TickerProviderStateMixin {
       }
     } else {
       widget.illust.isBookmarked = !widget.illust.isBookmarked;
-      widget.favoriteCallback?.call(widget.illust.isBookmarked);
+      IllustWidget.favoriteCallbacks[widget.illust.id.toString()]
+          ?.call(widget.illust.isBookmarked);
     }
     setState(() {
       isBookmarking = false;

lib/pages/user_info_page.dart

@@ -21,17 +21,34 @@ import '../components/illust_widget.dart';
 import 'illust_page.dart';
 
 class UserInfoPage extends StatefulWidget {
-  const UserInfoPage(this.id, {this.followCallback, super.key});
+  const UserInfoPage(this.id, {super.key});
 
   final String id;
 
-  final void Function(bool)? followCallback;
+  static Map<String, UpdateFollowCallback> followCallbacks = {};
 
   @override
   State<UserInfoPage> createState() => _UserInfoPageState();
 }
 
 class _UserInfoPageState extends LoadingState<UserInfoPage, UserDetails> {
+  @override
+  void initState() {
+    UserInfoPage.followCallbacks[widget.id] = (v) {
+      if (data == null) return;
+      setState(() {
+        data!.isFollowed = v;
+      });
+    };
+    super.initState();
+  }
+
+  @override
+  void dispose() {
+    UserInfoPage.followCallbacks.remove(widget.id);
+    super.dispose();
+  }
+
   int page = 0;
 
   @override
@@ -94,7 +111,9 @@ class _UserInfoPageState extends LoadingState<UserInfoPage, UserDetails> {
       }
     } else {
       data!.isFollowed = !data!.isFollowed;
-      widget.followCallback?.call(data!.isFollowed);
+      UserPreviewWidget.followCallbacks[data!.id.toString()]
+          ?.call(data!.isFollowed);
+      IllustPage.updateFollow(data!.id.toString(), data!.isFollowed);
     }
     setState(() {
       isFollowing = false;