feat: Pick share keys with

lib/config/setting_keys.dart

@@ -34,4 +34,5 @@ abstract class SettingKeys {
       'chat.fluffy.display_chat_details_column';
   static const String noEncryptionWarningShown =
       'chat.fluffy.no_encryption_warning_shown';
+  static const String shareKeysWith = 'chat.fluffy.share_keys_with';
 }

lib/pages/settings_security/settings_security.dart

@@ -1,3 +1,4 @@
+import 'package:fluffychat/config/setting_keys.dart';
 import 'package:flutter/material.dart';
 
 import 'package:flutter_gen/gen_l10n/l10n.dart';
@@ -108,6 +109,16 @@ class SettingsSecurityController extends State<SettingsSecurity> {
 
   Future<void> dehydrateAction() => Matrix.of(context).dehydrateAction(context);
 
+  void changeShareKeysWith(ShareKeysWith? shareKeysWith) async {
+    if (shareKeysWith == null) return;
+    Matrix.of(context).store.setString(
+          SettingKeys.shareKeysWith,
+          shareKeysWith.name,
+        );
+    Matrix.of(context).client.shareKeysWith = shareKeysWith;
+    setState(() {});
+  }
+
   @override
   Widget build(BuildContext context) => SettingsSecurityView(this);
 }

lib/pages/settings_security/settings_security_view.dart

@@ -10,6 +10,7 @@ import 'package:fluffychat/utils/platform_infos.dart';
 import 'package:fluffychat/widgets/layouts/max_width_body.dart';
 import 'package:fluffychat/widgets/matrix.dart';
 import 'package:fluffychat/widgets/settings_switch_list_tile.dart';
+import 'package:matrix/matrix.dart';
 import 'settings_security.dart';
 
 class SettingsSecurityView extends StatelessWidget {
@@ -88,6 +89,43 @@ class SettingsSecurityView extends StatelessWidget {
                       ),
                   },
                   Divider(color: theme.dividerColor),
+                  ListTile(
+                    title: Text(
+                      'Share keys with',
+                      style: TextStyle(
+                        color: theme.colorScheme.secondary,
+                        fontWeight: FontWeight.bold,
+                      ),
+                    ),
+                    subtitle: Text(
+                      'Which devices should be trusted so that they can read along your messages in encrypted chats?',
+                    ),
+                  ),
+                  ListTile(
+                    title: Material(
+                      borderRadius:
+                          BorderRadius.circular(AppConfig.borderRadius / 2),
+                      color: theme.colorScheme.onInverseSurface,
+                      child: DropdownButton<ShareKeysWith>(
+                        isExpanded: true,
+                        padding: const EdgeInsets.symmetric(horizontal: 8.0),
+                        borderRadius:
+                            BorderRadius.circular(AppConfig.borderRadius / 2),
+                        underline: const SizedBox.shrink(),
+                        value: Matrix.of(context).client.shareKeysWith,
+                        items: ShareKeysWith.values
+                            .map(
+                              (share) => DropdownMenuItem(
+                                value: share,
+                                child: Text(share.name),
+                              ),
+                            )
+                            .toList(),
+                        onChanged: controller.changeShareKeysWith,
+                      ),
+                    ),
+                  ),
+                  Divider(color: theme.dividerColor),
                   ListTile(
                     title: Text(
                       L10n.of(context).account,

lib/utils/client_manager.dart

@@ -1,5 +1,7 @@
 import 'dart:io';
 
+import 'package:collection/collection.dart';
+import 'package:fluffychat/config/setting_keys.dart';
 import 'package:flutter/foundation.dart';
 
 import 'package:desktop_notifications/desktop_notifications.dart';
@@ -43,7 +45,8 @@ abstract class ClientManager {
       clientNames.add(PlatformInfos.clientName);
       await store.setStringList(clientNamespace, clientNames.toList());
     }
-    final clients = clientNames.map(createClient).toList();
+    final clients =
+        clientNames.map((name) => createClient(name, store)).toList();
     if (initialize) {
       await Future.wait(
         clients.map(
@@ -97,7 +100,9 @@ abstract class ClientManager {
       ? const NativeImplementationsDummy()
       : NativeImplementationsIsolate(compute);
 
-  static Client createClient(String clientName) {
+  static Client createClient(String clientName, SharedPreferences store) {
+    final shareKeysWith = store.getString(SettingKeys.shareKeysWith) ?? 'all';
+
     return Client(
       clientName,
       httpClient:
@@ -122,6 +127,9 @@ abstract class ClientManager {
       customImageResizer: PlatformInfos.isMobile ? customImageResizer : null,
       defaultNetworkRequestTimeout: const Duration(minutes: 30),
       enableDehydratedDevices: true,
+      shareKeysWith: ShareKeysWith.values
+              .singleWhereOrNull((share) => share.name == shareKeysWith) ??
+          ShareKeysWith.all,
     );
   }
 

lib/widgets/matrix.dart

@@ -154,6 +154,7 @@ class MatrixState extends State<Matrix> with WidgetsBindingObserver {
     }
     final candidate = _loginClientCandidate ??= ClientManager.createClient(
       '${AppConfig.applicationName}-${DateTime.now().millisecondsSinceEpoch}',
+      store,
     )..onLoginStateChanged
           .stream
           .where((l) => l == LoginState.loggedIn)

pubspec.lock

@@ -1125,10 +1125,9 @@ packages:
   matrix:
     dependency: "direct main"
     description:
-      name: matrix
-      sha256: "519e1d18623f741de5aa984a9d04cf3f660149d1e167fa06e17ddec8cec5f52d"
-      url: "https://pub.dev"
-    source: hosted
+      path: "../matrix-dart-sdk"
+      relative: true
+    source: path
     version: "0.37.0"
   meta:
     dependency: transitive

pubspec.yaml

@@ -152,4 +152,6 @@ msix_config:
   install_certificate: false
 
 dependency_overrides:
-  win32: 5.5.3
+  win32: 5.5.3
+  matrix:
+    path: ../matrix-dart-sdk/