feat: Open account manage url when using MAS

assets/l10n/intl_en.arb

@@ -2793,5 +2793,6 @@
   "welcomeText": "Hey Hey 👋 This is FluffyChat. You can sign in to any homeserver, which is compatible with https://matrix.org. And then chat with anyone. It's a huge decentralized messaging network!",
   "blur": "Blur:",
   "opacity": "Opacity:",
-  "setWallpaper": "Set wallpaper"
+  "setWallpaper": "Set wallpaper",
+  "manageAccount": "Manage account"
 }

lib/pages/homeserver_picker/homeserver_picker.dart

@@ -160,6 +160,7 @@ class HomeserverPickerController extends State<HomeserverPicker> {
     final result = await FlutterWebAuth2.authenticate(
       url: url.toString(),
       callbackUrlScheme: urlScheme,
+      options: FlutterWebAuth2Options(useWebview: !isDefaultPlatform),
     );
     final token = Uri.parse(result).queryParameters['loginToken'];
     if (token?.isEmpty ?? false) return;

lib/pages/settings/settings.dart

@@ -201,6 +201,13 @@ class SettingsController extends State<Settings> {
     checkBootstrap();
   }
 
+  Future<String?> getOidcAccountManageUrl() async {
+    final wellKnown = await Matrix.of(context).client.getWellknown();
+    return wellKnown.additionalProperties
+        .tryGetMap<String, Object?>('org.matrix.msc2965.authentication')
+        ?.tryGet<String>('account');
+  }
+
   @override
   Widget build(BuildContext context) {
     final client = Matrix.of(context).client;

lib/pages/settings/settings_view.dart

@@ -32,15 +32,19 @@ class SettingsView extends StatelessWidget {
       ),
       body: ListTileTheme(
         iconColor: theme.colorScheme.onSurface,
-        child: ListView(
+        child: FutureBuilder(
+          future: controller.getOidcAccountManageUrl(),
+          builder: (context, snapshot) {
+            final accountManageUrl = snapshot.data;
+            return ListView(
               key: const Key('SettingsListViewContent'),
               children: <Widget>[
                 FutureBuilder<Profile>(
                   future: controller.profileFuture,
                   builder: (context, snapshot) {
                     final profile = snapshot.data;
-                final mxid =
+                    final mxid = Matrix.of(context).client.userID ??
-                    Matrix.of(context).client.userID ?? L10n.of(context).user;
+                        L10n.of(context).user;
                     final displayname =
                         profile?.displayName ?? mxid.localpart ?? mxid;
                     return Row(
@@ -62,7 +66,8 @@ class SettingsView extends StatelessWidget {
                                     elevation: 2,
                                     onPressed: controller.setAvatarAction,
                                     heroTag: null,
-                                child: const Icon(Icons.camera_alt_outlined),
+                                    child:
+                                        const Icon(Icons.camera_alt_outlined),
                                   ),
                                 ),
                             ],
@@ -92,7 +97,8 @@ class SettingsView extends StatelessWidget {
                                 ),
                               ),
                               TextButton.icon(
-                            onPressed: () => FluffyShare.share(mxid, context),
+                                onPressed: () =>
+                                    FluffyShare.share(mxid, context),
                                 icon: const Icon(
                                   Icons.copy_outlined,
                                   size: 14,
@@ -114,6 +120,16 @@ class SettingsView extends StatelessWidget {
                     );
                   },
                 ),
+                if (accountManageUrl != null)
+                  ListTile(
+                    leading: const Icon(Icons.account_circle_outlined),
+                    title: Text(L10n.of(context).manageAccount),
+                    trailing: const Icon(Icons.open_in_new_outlined),
+                    onTap: () => launchUrlString(
+                      accountManageUrl,
+                      mode: LaunchMode.inAppBrowserView,
+                    ),
+                  ),
                 Divider(color: theme.dividerColor),
                 if (showChatBackupBanner == null)
                   ListTile(
@@ -180,6 +196,8 @@ class SettingsView extends StatelessWidget {
                   onTap: controller.logoutAction,
                 ),
               ],
+            );
+          },
         ),
       ),
     );