neon: add AccountSwitcherButton

This launches a dialog similar to the NC-Android app

packages/neon/neon/lib/l10n/en.arb

@@ -82,6 +82,7 @@
   "settings": "Settings",
   "settingsApps": "Apps",
   "settingsAccount": "Account",
+  "settingsAccountManage": "Manage accounts",
   "settingsExport": "Export settings",
   "settingsImport": "Import settings",
   "settingsImportWrongFileExtension": "Settings import has wrong file extension (has to be .json.base64)",

packages/neon/neon/lib/l10n/localizations.dart

@@ -341,6 +341,12 @@ abstract class AppLocalizations {
   /// **'Account'**
   String get settingsAccount;
 
+  /// No description provided for @settingsAccountManage.
+  ///
+  /// In en, this message translates to:
+  /// **'Manage accounts'**
+  String get settingsAccountManage;
+
   /// No description provided for @settingsExport.
   ///
   /// In en, this message translates to:

packages/neon/neon/lib/l10n/localizations_en.dart

@@ -160,6 +160,9 @@ class AppLocalizationsEn extends AppLocalizations {
   @override
   String get settingsAccount => 'Account';
 
+  @override
+  String get settingsAccountManage => 'Manage accounts';
+
   @override
   String get settingsExport => 'Export settings';
 

packages/neon/neon/lib/src/widgets/account_switcher.dart

@@ -0,0 +1,92 @@
+import 'package:flutter/material.dart';
+import 'package:meta/meta.dart';
+import 'package:neon/l10n/localizations.dart';
+import 'package:neon/src/blocs/accounts.dart';
+import 'package:neon/src/pages/settings.dart';
+import 'package:neon/src/router.dart';
+import 'package:neon/src/theme/dialog.dart';
+import 'package:neon/src/widgets/account_tile.dart';
+import 'package:neon/src/widgets/user_avatar.dart';
+import 'package:provider/provider.dart';
+
+@internal
+class AccountSwitcherButton extends StatelessWidget {
+  const AccountSwitcherButton({
+    super.key,
+  });
+
+  Future<void> _onPressed(final BuildContext context) async {
+    final accountsBloc = Provider.of<AccountsBloc>(context, listen: false);
+    final accounts = accountsBloc.accounts.value;
+    final aa = accountsBloc.activeAccount.value!;
+
+    await showDialog(
+      context: context,
+      builder: (final context) {
+        final body = Column(
+          children: [
+            NeonAccountTile(
+              account: aa,
+              trailing: const Icon(Icons.check_circle),
+              onTap: Navigator.of(context).pop,
+            ),
+            const Divider(),
+            if (accounts.length > 1)
+              Builder(
+                builder: (final context) {
+                  final inactiveAccounts = List.of(accounts)..removeWhere((final account) => (account.id == aa.id));
+                  final tiles = inactiveAccounts.map(
+                    (final account) => NeonAccountTile(
+                      account: account,
+                      onTap: () {
+                        accountsBloc.setActiveAccount(account);
+                        Navigator.of(context).pop();
+                      },
+                    ),
+                  );
+
+                  return SingleChildScrollView(
+                    child: ListBody(
+                      children: tiles.toList(),
+                    ),
+                  );
+                },
+              ),
+            ListTile(
+              leading: const Icon(Icons.settings),
+              title: Text(AppLocalizations.of(context).settingsAccountManage),
+              onTap: () {
+                Navigator.of(context).pop();
+                const SettingsRoute(initialCategory: SettingsCageories.accounts).push(context);
+              },
+            )
+          ],
+        );
+
+        return Dialog(
+          child: IntrinsicHeight(
+            child: Container(
+              padding: const EdgeInsets.all(24),
+              constraints: NeonDialogTheme.of(context).constraints,
+              child: body,
+            ),
+          ),
+        );
+      },
+    );
+  }
+
+  @override
+  Widget build(final BuildContext context) {
+    final accountsBloc = Provider.of<AccountsBloc>(context, listen: false);
+    final account = accountsBloc.activeAccount.value!;
+
+    return IconButton(
+      onPressed: () async => _onPressed(context),
+      tooltip: AppLocalizations.of(context).settingsAccount,
+      icon: NeonUserAvatar(
+        account: account,
+      ),
+    );
+  }
+}

packages/neon/neon/lib/src/widgets/app_bar.dart

@@ -9,7 +9,7 @@ import 'package:neon/src/blocs/apps.dart';
 import 'package:neon/src/models/account.dart';
 import 'package:neon/src/models/app_implementation.dart';
 import 'package:neon/src/models/notifications_interface.dart';
-import 'package:neon/src/router.dart';
+import 'package:neon/src/widgets/account_switcher.dart';
 import 'package:neon/src/widgets/app_implementation_icon.dart';
 import 'package:neon/src/widgets/exception.dart';
 import 'package:neon/src/widgets/linear_progress_indicator.dart';
@@ -77,17 +77,9 @@ class NeonAppBar extends StatelessWidget implements PreferredSizeWidget {
               ],
             ],
           ),
-          actions: [
-            const NotificationIconButton(),
-            IconButton(
-              onPressed: () {
-                AccountSettingsRoute(accountid: account.id).go(context);
-              },
-              tooltip: AppLocalizations.of(context).settingsAccount,
-              icon: NeonUserAvatar(
-                account: account,
-              ),
-            ),
+          actions: const [
+            NotificationIconButton(),
+            AccountSwitcherButton(),
           ],
         ),
       ),