♿ Make theme switcher easier to use

lib/main.dart

@@ -5,11 +5,12 @@ import 'package:get/get.dart';
 import 'package:go_router/go_router.dart';
 import 'package:media_kit/media_kit.dart';
 import 'package:protocol_handler/protocol_handler.dart';
+import 'package:provider/provider.dart';
 import 'package:sentry_flutter/sentry_flutter.dart';
-import 'package:shared_preferences/shared_preferences.dart';
 import 'package:solian/bootstrapper.dart';
 import 'package:solian/firebase_options.dart';
 import 'package:solian/platform.dart';
+import 'package:solian/providers/theme_switcher.dart';
 import 'package:solian/providers/websocket.dart';
 import 'package:solian/providers/auth.dart';
 import 'package:solian/providers/content/attachment.dart';
@@ -38,7 +39,6 @@ void main() async {
       MediaKit.ensureInitialized();
 
       await Future.wait([
-        _initializeTheme(),
         _initializeFirebase(),
         _initializePlatformComponents(),
       ]);
@@ -51,16 +51,6 @@ void main() async {
   );
 }
 
-Future<void> _initializeTheme() async {
-  final prefs = await SharedPreferences.getInstance();
-  if (prefs.containsKey('global_theme_color')) {
-    final value = prefs.getInt('global_theme_color')!;
-    final color = Color(value);
-    currentLightTheme = SolianTheme.build(Brightness.light, seedColor: color);
-    currentDarkTheme = SolianTheme.build(Brightness.dark, seedColor: color);
-  }
-}
-
 Future<void> _initializeFirebase() async {
   await Firebase.initializeApp(options: DefaultFirebaseOptions.currentPlatform);
 }
@@ -83,15 +73,25 @@ Future<void> _initializePlatformComponents() async {
   }
 }
 
+final themeSwitcher = ThemeSwitcher(
+  lightThemeData: SolianTheme.build(Brightness.light),
+  darkThemeData: SolianTheme.build(Brightness.dark),
+)..restoreTheme();
+
 class SolianApp extends StatelessWidget {
   const SolianApp({super.key});
 
   @override
   Widget build(BuildContext context) {
+    return ChangeNotifierProvider.value(
+      value: themeSwitcher,
+      child: Builder(builder: (context) {
+        final theme = Provider.of<ThemeSwitcher>(context);
+
         return GetMaterialApp.router(
           title: 'Solian',
-      theme: currentLightTheme,
-      darkTheme: currentDarkTheme,
+          theme: theme.lightThemeData,
+          darkTheme: theme.darkThemeData,
           themeMode: ThemeMode.system,
           routerDelegate: AppRouter.instance.routerDelegate,
           routeInformationParser: AppRouter.instance.routeInformationParser,
@@ -111,6 +111,8 @@ class SolianApp extends StatelessWidget {
             );
           },
         );
+      }),
+    );
   }
 
   void _initializeProviders(BuildContext context) async {

lib/providers/theme_switcher.dart

@@ -0,0 +1,30 @@
+import 'package:flutter/material.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+import 'package:solian/theme.dart';
+
+class ThemeSwitcher extends ChangeNotifier {
+  ThemeData lightThemeData;
+  ThemeData darkThemeData;
+
+  ThemeSwitcher({
+    required this.lightThemeData,
+    required this.darkThemeData,
+  });
+
+  Future<void> restoreTheme() async {
+    final prefs = await SharedPreferences.getInstance();
+    if (prefs.containsKey('global_theme_color')) {
+      final value = prefs.getInt('global_theme_color')!;
+      final color = Color(value);
+      lightThemeData = SolianTheme.build(Brightness.light, seedColor: color);
+      darkThemeData = SolianTheme.build(Brightness.dark, seedColor: color);
+      notifyListeners();
+    }
+  }
+
+  void setTheme(ThemeData light, dark) {
+    lightThemeData = light;
+    darkThemeData = dark;
+    notifyListeners();
+  }
+}

lib/screens/settings.dart

@@ -2,8 +2,10 @@ import 'dart:ui';
 
 import 'package:flutter/material.dart';
 import 'package:get/get.dart';
+import 'package:provider/provider.dart';
 import 'package:shared_preferences/shared_preferences.dart';
 import 'package:solian/exts.dart';
+import 'package:solian/providers/theme_switcher.dart';
 import 'package:solian/theme.dart';
 
 class SettingScreen extends StatefulWidget {
@@ -30,22 +32,16 @@ class _SettingScreenState extends State<SettingScreen> {
       icon: Icon(Icons.circle, color: color),
       tooltip: label,
       onPressed: () {
-        currentLightTheme = SolianTheme.build(
+        context.read<ThemeSwitcher>().setTheme(
+              SolianTheme.build(
                 Brightness.light,
                 seedColor: color,
-        );
-        currentDarkTheme = SolianTheme.build(
+              ),
+              SolianTheme.build(
                 Brightness.dark,
                 seedColor: color,
+              ),
             );
-        if (!Get.isDarkMode) {
-          Get.changeTheme(
-            SolianTheme.build(Brightness.light, seedColor: color),
-          );
-        } else {
-          // Dark mode cannot be hot reload
-          // https://github.com/jonataslaw/getx/issues/1411
-        }
         _prefs.setInt('global_theme_color', color.value);
         context.clearSnackbar();
         context.showSnackbar('themeColorApplied'.tr);

lib/theme.dart

@@ -1,9 +1,6 @@
 import 'package:flutter/material.dart';
 import 'package:solian/platform.dart';
 
-ThemeData? currentLightTheme = SolianTheme.build(Brightness.light);
-ThemeData? currentDarkTheme = SolianTheme.build(Brightness.dark);
-
 abstract class SolianTheme {
   static bool isLargeScreen(BuildContext context) =>
       MediaQuery.of(context).size.width > 640;

lib/translations/en_us.dart

@@ -312,6 +312,5 @@ const i18nEnglish = {
   'themeColorMiku': 'Miku Blue',
   'themeColorKagamine': 'Kagamine Yellow',
   'themeColorLuka': 'Luka Pink',
-  'themeColorApplied':
-      'Global theme color has been applied, dark mode theme need restart to get applied.',
+  'themeColorApplied': 'Global theme color has been applied.',
 };

lib/translations/zh_cn.dart

@@ -289,5 +289,5 @@ const i18nSimplifiedChinese = {
   'themeColorMiku': '未来色',
   'themeColorKagamine': '镜音黄',
   'themeColorLuka': '流音粉',
-  'themeColorApplied': '全局主题颜色已应用，深色模式中主题需要重启生效',
+  'themeColorApplied': '全局主题颜色已应用',
 };

pubspec.lock

@@ -1016,6 +1016,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.0.5"
+  nested:
+    dependency: transitive
+    description:
+      name: nested
+      sha256: "03bac4c528c64c95c722ec99280375a6f2fc708eec17c7b3f07253b626cd2a20"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.0"
   nm:
     dependency: transitive
     description:
@@ -1272,6 +1280,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "0.2.0"
+  provider:
+    dependency: "direct main"
+    description:
+      name: provider
+      sha256: c8a055ee5ce3fd98d6fc872478b03823ffdb448699c6ebdbbc71d59b596fd48c
+      url: "https://pub.dev"
+    source: hosted
+    version: "6.1.2"
   pub_semver:
     dependency: transitive
     description:

pubspec.yaml

@@ -2,7 +2,7 @@ name: solian
 description: "The Solar Network App"
 publish_to: "none"
 
-version: 1.2.0+3
+version: 1.2.0+4
 
 environment:
   sdk: ">=3.3.4 <4.0.0"
@@ -61,6 +61,7 @@ dependencies:
   flutter_markdown_selectionarea: ^0.6.17+1
   shared_preferences: ^2.2.3
   easy_debounce: ^2.0.3
+  provider: ^6.1.2
 
 dev_dependencies:
   flutter_test:

web/index.html

@@ -1,6 +1,5 @@
-<!DOCTYPE html>
+<!doctype html>
 <html>
-
   <head>
     <!--
     If you are serving your web app in a path other than the root, change the
@@ -15,18 +14,17 @@
     This is a placeholder for base href that will be replaced by the value of
     the `--base-href` argument provided to `flutter build`.
   -->
-  <!-- <base href="$FLUTTER_BASE_HREF"> -->
-  <base href="/" />
+    <base href="$FLUTTER_BASE_HREF" />
 
-  <meta charset="UTF-8">
-  <meta content="IE=Edge" http-equiv="X-UA-Compatible">
-  <meta name="description" content="A new Flutter project.">
+    <meta charset="UTF-8" />
+    <meta content="IE=Edge" http-equiv="X-UA-Compatible" />
+    <meta name="description" content="A new Flutter project." />
 
     <!-- iOS meta tags & icons -->
-  <meta name="apple-mobile-web-app-capable" content="yes">
-  <meta name="apple-mobile-web-app-status-bar-style" content="black">
-  <meta name="apple-mobile-web-app-title" content="solian">
-  <link rel="apple-touch-icon" href="icons/Icon-192.png">
+    <meta name="apple-mobile-web-app-capable" content="yes" />
+    <meta name="apple-mobile-web-app-status-bar-style" content="black" />
+    <meta name="apple-mobile-web-app-title" content="solian" />
+    <link rel="apple-touch-icon" href="icons/Icon-192.png" />
 
     <!-- Favicon -->
     <link rel="icon" type="image/png" href="favicon.png" />
@@ -51,7 +49,7 @@
         border-radius: 50%;
         width: 80px;
         height: 80px;
-      animation: spin .35s linear infinite;
+        animation: spin 0.35s linear infinite;
       }
 
       @keyframes spin {
@@ -66,7 +64,7 @@
     </style>
 
     <title>Solian</title>
-  <link rel="manifest" href="manifest.json">
+    <link rel="manifest" href="manifest.json" />
   </head>
 
   <body>
@@ -76,5 +74,4 @@
 
     <script src="flutter_bootstrap.js" async></script>
   </body>
-
 </html>