From f94a1491bfecde8f1772d39864e9259f296b1506 Mon Sep 17 00:00:00 2001
From: chen08209 <chen08209@gmail.com>
Date: Sat, 14 Feb 2026 22:00:05 +0800
Subject: [PATCH] cache

---
 lib/views/profiles/overwrite/overwrite.dart | 15 ++---
 lib/views/profiles/preview.dart             | 61 +++++++++++++++++++++
 lib/views/profiles/profiles.dart            | 11 +---
 3 files changed, 67 insertions(+), 20 deletions(-)
 create mode 100644 lib/views/profiles/preview.dart

diff --git a/lib/views/profiles/overwrite/overwrite.dart b/lib/views/profiles/overwrite/overwrite.dart
index 3d194cb..455dac0 100644
--- a/lib/views/profiles/overwrite/overwrite.dart
+++ b/lib/views/profiles/overwrite/overwrite.dart
@@ -2,15 +2,14 @@
 
 import 'package:fl_clash/common/common.dart';
 import 'package:fl_clash/controller.dart';
-import 'package:fl_clash/core/controller.dart';
 import 'package:fl_clash/enum/enum.dart';
 import 'package:fl_clash/features/overwrite/rule.dart';
 import 'package:fl_clash/models/models.dart';
-import 'package:fl_clash/pages/editor.dart';
 import 'package:fl_clash/providers/database.dart';
 import 'package:fl_clash/providers/providers.dart';
 import 'package:fl_clash/state.dart';
 import 'package:fl_clash/views/config/scripts.dart';
+import 'package:fl_clash/views/profiles/preview.dart';
 import 'package:fl_clash/widgets/widgets.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
@@ -37,13 +36,7 @@ class _OverwriteViewState extends ConsumerState<OverwriteView> {
     if (profile == null) {
       return;
     }
-    final configMap = await appController.getProfileWithId(profile.id);
-    final content = await encodeYamlTask(configMap);
-    if (!mounted) {
-      return;
-    }
-    final previewPage = EditorPage(title: profile.realLabel, content: content);
-    BaseNavigator.push<String>(context, previewPage);
+    BaseNavigator.push<String>(context, PreviewProfileView(profile: profile));
   }
 
   @override
@@ -181,10 +174,10 @@ class _StandardContent extends ConsumerStatefulWidget {
   const _StandardContent(this.profileId);
 
   @override
-  ConsumerState createState() => __StandardContentState();
+  ConsumerState createState() => _StandardContentState();
 }
 
-class __StandardContentState extends ConsumerState<_StandardContent> {
+class _StandardContentState extends ConsumerState<_StandardContent> {
   final _key = utils.id;
 
   Future<void> _handleAddOrUpdate([Rule? rule]) async {
diff --git a/lib/views/profiles/preview.dart b/lib/views/profiles/preview.dart
new file mode 100644
index 0000000..792b1ca
--- /dev/null
+++ b/lib/views/profiles/preview.dart
@@ -0,0 +1,61 @@
+import 'package:fl_clash/common/task.dart';
+import 'package:fl_clash/controller.dart';
+import 'package:fl_clash/models/profile.dart';
+import 'package:fl_clash/pages/editor.dart';
+import 'package:fl_clash/widgets/loading.dart';
+import 'package:fl_clash/widgets/scaffold.dart';
+import 'package:flutter/material.dart';
+
+class PreviewProfileView extends StatefulWidget {
+  final Profile profile;
+
+  const PreviewProfileView({super.key, required this.profile});
+
+  @override
+  State<PreviewProfileView> createState() => _PreviewProfileViewState();
+}
+
+class _PreviewProfileViewState extends State<PreviewProfileView> {
+  final contentNotifier = ValueNotifier<String?>(null);
+
+  @override
+  void initState() {
+    super.initState();
+    WidgetsBinding.instance.addPostFrameCallback((_) async {
+      final configMap = await appController.getProfileWithId(widget.profile.id);
+      final content = await encodeYamlTask(configMap);
+      if (!mounted) {
+        return;
+      }
+      contentNotifier.value = content;
+    });
+  }
+
+  @override
+  void dispose() {
+    contentNotifier.dispose();
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return ValueListenableBuilder(
+      valueListenable: contentNotifier,
+      builder: (_, content, _) {
+        final title = widget.profile.realLabel;
+        if (content == null) {
+          return CommonScaffold(
+            title: title,
+            body: Center(
+              child: SizedBox.square(
+                dimension: 200,
+                child: CommonCircleLoading(),
+              ),
+            ),
+          );
+        }
+        return EditorPage(title: title, content: content);
+      },
+    );
+  }
+}
diff --git a/lib/views/profiles/profiles.dart b/lib/views/profiles/profiles.dart
index 482f5c0..116ff5b 100644
--- a/lib/views/profiles/profiles.dart
+++ b/lib/views/profiles/profiles.dart
@@ -2,7 +2,6 @@ import 'package:fl_clash/common/common.dart';
 import 'package:fl_clash/controller.dart';
 import 'package:fl_clash/enum/enum.dart';
 import 'package:fl_clash/models/models.dart';
-import 'package:fl_clash/pages/editor.dart';
 import 'package:fl_clash/providers/providers.dart';
 import 'package:fl_clash/state.dart';
 import 'package:fl_clash/views/profiles/overwrite/overwrite.dart';
@@ -13,6 +12,7 @@ import 'package:flutter_riverpod/flutter_riverpod.dart';
 
 import 'add.dart';
 import 'edit.dart';
+import 'preview.dart';
 
 class ProfilesView extends StatefulWidget {
   const ProfilesView({super.key});
@@ -198,14 +198,7 @@ class ProfileItem extends StatelessWidget {
   }
 
   Future<void> _handlePreview(BuildContext context) async {
-    final configMap = await appController.getProfileWithId(profile.id);
-    final content = await encodeYamlTask(configMap);
-    if (!context.mounted) {
-      return;
-    }
-
-    final previewPage = EditorPage(title: profile.realLabel, content: content);
-    BaseNavigator.push<String>(context, previewPage);
+    BaseNavigator.push<String>(context, PreviewProfileView(profile: profile));
   }
 
   Future updateProfile() async {