feat: Implement adding new clients

assets/l10n/intl_en.arb

@@ -1561,6 +1561,8 @@
     "type": "text",
     "placeholders": {}
   },
+  "addAccount": "Add account",
+  "enableMultiAccounts": "Enable multi accounts on this device",
   "openInMaps": "Open in maps",
   "@openInMaps": {
     "type": "text",

lib/config/routes.dart

@@ -217,12 +217,12 @@ class AppRoutes {
           buildTransition: _fadeTransition,
           stackedRoutes: [
             VWidget(
-              path: '/login',
+              path: 'login',
               widget: Login(),
               buildTransition: _fadeTransition,
             ),
             VWidget(
-              path: '/signup',
+              path: 'signup',
               widget: SignupPage(),
               buildTransition: _fadeTransition,
             ),
@@ -296,6 +296,23 @@ class AppRoutes {
               widget: DevicesSettings(),
               buildTransition: _dynamicTransition,
             ),
+            VWidget(
+              path: 'add',
+              widget: HomeserverPicker(),
+              buildTransition: _fadeTransition,
+              stackedRoutes: [
+                VWidget(
+                  path: 'login',
+                  widget: Login(),
+                  buildTransition: _fadeTransition,
+                ),
+                VWidget(
+                  path: 'signup',
+                  widget: SignupPage(),
+                  buildTransition: _fadeTransition,
+                ),
+              ],
+            ),
           ],
         ),
         VWidget(

lib/pages/homeserver_picker.dart

@@ -53,7 +53,7 @@ class HomeserverPickerController extends State<HomeserverPicker> {
                     .getItem(HomeserverPickerController.ssoHomeserverKey),
               );
         }
-        await Matrix.of(context).client.login(
+        await Matrix.of(context).createLoginClient().login(
               LoginType.mLoginToken,
               token: token,
               initialDeviceDisplayName: PlatformInfos.clientName,
@@ -216,7 +216,7 @@ class HomeserverPickerController extends State<HomeserverPicker> {
     }
   }
 
-  void signUpAction() => VRouter.of(context).to('/signup');
+  void signUpAction() => VRouter.of(context).to('signup');
 
   bool _initialized = false;
 

lib/pages/login.dart

@@ -64,7 +64,7 @@ class LoginController extends State<Login> {
       } else {
         identifier = AuthenticationUserIdentifier(user: username);
       }
-      await matrix.client.login(LoginType.mLoginPassword,
+      await matrix.createLoginClient().login(LoginType.mLoginPassword,
           identifier: identifier,
           // To stay compatible with older server versions
           // ignore: deprecated_member_use

lib/pages/settings_account.dart

@@ -7,6 +7,7 @@ import 'package:flutter/material.dart';
 import 'package:flutter_gen/gen_l10n/l10n.dart';
 import 'package:future_loading_dialog/future_loading_dialog.dart';
 import 'package:matrix/matrix.dart';
+import 'package:vrouter/vrouter.dart';
 
 class SettingsAccount extends StatefulWidget {
   const SettingsAccount({Key key}) : super(key: key);
@@ -144,6 +145,8 @@ class SettingsAccountController extends State<SettingsAccount> {
     );
   }
 
+  void addAccountAction() => VRouter.of(context).to('add');
+
   @override
   Widget build(BuildContext context) {
     final client = Matrix.of(context).client;

lib/pages/signup.dart

@@ -37,7 +37,7 @@ class SignupPageController extends State<SignupPage> {
     setState(() => loading = true);
 
     try {
-      final client = Matrix.of(context).client;
+      final client = Matrix.of(context).createLoginClient();
       await client.uiaRequestBackground(
         (auth) => client.register(
           username: usernameController.text,

lib/pages/views/homeserver_picker_view.dart

@@ -128,7 +128,7 @@ class HomeserverPickerView extends StatelessWidget {
                                     Expanded(
                                       child: _LoginButton(
                                         onPressed: () =>
-                                            VRouter.of(context).to('/login'),
+                                            VRouter.of(context).to('login'),
                                         icon: Icon(Icons.login_outlined),
                                         labelText: L10n.of(context).login,
                                       ),

lib/pages/views/settings_account_view.dart

@@ -20,6 +20,14 @@ class SettingsAccountView extends StatelessWidget {
         withScrolling: true,
         child: Column(
           children: [
+            if (!Matrix.of(context).isMultiAccount)
+              ListTile(
+                trailing: Icon(Icons.add_box_outlined),
+                title: Text(L10n.of(context).addAccount),
+                subtitle: Text(L10n.of(context).enableMultiAccounts),
+                onTap: controller.addAccountAction,
+              ),
+            Divider(height: 1),
             ListTile(
               trailing: Icon(Icons.edit_outlined),
               title: Text(L10n.of(context).editDisplayname),
@@ -38,6 +46,7 @@ class SettingsAccountView extends StatelessWidget {
               title: Text(L10n.of(context).devices),
               onTap: () => VRouter.of(context).to('devices'),
             ),
+            Divider(height: 1),
             ListTile(
               trailing: Icon(Icons.exit_to_app_outlined),
               title: Text(L10n.of(context).logout),

lib/utils/client_manager.dart

@@ -11,10 +11,9 @@ import 'matrix_sdk_extensions.dart/flutter_matrix_hive_database.dart';
 abstract class ClientManager {
   static const String clientNamespace = 'im.fluffychat.store.clients';
   static Future<List<Client>> getClients() async {
-    final store = Store();
     final clientNames = <String>{PlatformInfos.clientName};
     try {
-      final rawClientNames = await store.getItem(clientNamespace);
+      final rawClientNames = await Store().getItem(clientNamespace);
       if (rawClientNames != null) {
         final clientNamesList =
             (jsonDecode(rawClientNames) as List).cast<String>();
@@ -22,9 +21,23 @@ abstract class ClientManager {
       }
     } catch (e, s) {
       Logs().w('Client names in store are corrupted', e, s);
+      await Store().deleteItem(clientNamespace);
     }
-    return clientNames
-        .map((clientName) => Client(
+    return clientNames.map(createClient).toList();
+  }
+
+  static Future<void> addClientNameToStore(String clientName) async {
+    final clientNamesList = <String>[];
+    final rawClientNames = await Store().getItem(clientNamespace);
+    if (rawClientNames != null) {
+      final stored = (jsonDecode(rawClientNames) as List).cast<String>();
+      clientNamesList.addAll(stored);
+    }
+    clientNamesList.add(clientName);
+    await Store().setItem(clientNamespace, jsonEncode(clientNamesList));
+  }
+
+  static Client createClient(String clientName) => Client(
         clientName,
         enableE2eeRecovery: true,
         verificationMethods: {
@@ -42,7 +55,5 @@ abstract class ClientManager {
             AuthenticationTypes.sso
         },
         compute: compute,
-            ))
-        .toList();
-  }
+      );
 }

lib/widgets/matrix.dart

@@ -3,6 +3,7 @@ import 'dart:io';
 import 'dart:convert';
 
 import 'package:adaptive_dialog/adaptive_dialog.dart';
+import 'package:fluffychat/utils/client_manager.dart';
 import 'package:matrix/encryption.dart';
 import 'package:matrix/matrix.dart';
 import 'package:fluffychat/utils/matrix_sdk_extensions.dart/matrix_locals.dart';
@@ -77,6 +78,26 @@ class MatrixState extends State<Matrix> with WidgetsBindingObserver {
     return _activeClient;
   }
 
+  Client createLoginClient() {
+    final multiAccount = Matrix.of(context).client.isLogged();
+    final client = multiAccount
+        ? ClientManager.createClient(
+            Matrix.of(context).client.generateUniqueTransactionId())
+        : Matrix.of(context).client;
+    if (multiAccount) {
+      // Add to client list
+      client.onLoginStateChanged.stream
+          .where((l) => l == LoginState.loggedIn)
+          .first
+          .then((_) {
+        widget.clients.add(client);
+        ClientManager.addClientNameToStore(client.clientName);
+        // TODO: Connect streamsubscriptions
+      });
+    }
+    return client;
+  }
+
   Map<String, dynamic> get shareContent => _shareContent;
   set shareContent(Map<String, dynamic> content) {
     _shareContent = content;