refactor: Improve delete device UX flow

lib/pages/device_settings/device_settings.dart

@@ -9,7 +9,6 @@ import 'package:matrix/matrix.dart';
 
 import 'package:fluffychat/pages/device_settings/device_settings_view.dart';
 import 'package:fluffychat/pages/key_verification/key_verification_dialog.dart';
-import 'package:fluffychat/utils/localized_exception_extension.dart';
 import '../../widgets/matrix.dart';
 
 class DevicesSettings extends StatefulWidget {
@@ -29,9 +28,6 @@ class DevicesSettingsController extends State<DevicesSettings> {
 
   void reload() => setState(() => devices = null);
 
-  bool loadingDeletingDevices = false;
-  String? errorDeletingDevices;
-
   bool? chatBackupEnabled;
 
   @override
@@ -69,24 +65,16 @@ class DevicesSettingsController extends State<DevicesSettings> {
       deviceIds.add(userDevice.deviceId);
     }
 
-    try {
-      setState(() {
-        loadingDeletingDevices = true;
-        errorDeletingDevices = null;
-      });
-      await matrix.client.uiaRequestBackground(
+    await showFutureLoadingDialog(
+      context: context,
+      future: () => matrix.client.uiaRequestBackground(
         (auth) => matrix.client.deleteDevices(
           deviceIds,
           auth: auth,
         ),
-      );
-      reload();
-    } catch (e, s) {
-      Logs().w('Error while deleting devices', e, s);
-      setState(() => errorDeletingDevices = e.toLocalizedString(context));
-    } finally {
-      setState(() => loadingDeletingDevices = false);
-    }
+      ),
+    );
+    reload();
   }
 
   void renameDeviceAction(Device device) async {

lib/pages/device_settings/device_settings_view.dart

@@ -96,8 +96,7 @@ class DevicesSettingsView extends StatelessWidget {
                             width: double.infinity,
                             child: TextButton.icon(
                               label: Text(
-                                controller.errorDeletingDevices ??
-                                    L10n.of(context).removeAllOtherDevices,
+                                L10n.of(context).removeAllOtherDevices,
                               ),
                               style: TextButton.styleFrom(
                                 foregroundColor:
@@ -105,16 +104,10 @@ class DevicesSettingsView extends StatelessWidget {
                                 backgroundColor:
                                     theme.colorScheme.errorContainer,
                               ),
-                              icon: controller.loadingDeletingDevices
-                                  ? const CircularProgressIndicator.adaptive(
-                                      strokeWidth: 2,
-                                    )
-                                  : const Icon(Icons.delete_outline),
-                              onPressed: controller.loadingDeletingDevices
-                                  ? null
-                                  : () => controller.removeDevicesAction(
-                                        controller.notThisDevice,
-                                      ),
+                              icon: const Icon(Icons.delete_outline),
+                              onPressed: () => controller.removeDevicesAction(
+                                controller.notThisDevice,
+                              ),
                             ),
                           ),
                         )

lib/utils/uia_request_manager.dart

@@ -5,11 +5,15 @@ import 'package:flutter_gen/gen_l10n/l10n.dart';
 import 'package:matrix/matrix.dart';
 import 'package:url_launcher/url_launcher_string.dart';
 
+import 'package:fluffychat/widgets/fluffy_chat_app.dart';
 import 'package:fluffychat/widgets/matrix.dart';
 
 extension UiaRequestManager on MatrixState {
   Future uiaRequestHandler(UiaRequest uiaRequest) async {
     final l10n = L10n.of(context);
+    final navigatorContext =
+        FluffyChatApp.router.routerDelegate.navigatorKey.currentContext ??
+            context;
     try {
       if (uiaRequest.state != UiaRequestState.waitForUser ||
           uiaRequest.nextStages.isEmpty) {
@@ -22,7 +26,7 @@ extension UiaRequestManager on MatrixState {
         case AuthenticationTypes.password:
           final input = cachedPassword ??
               (await showTextInputDialog(
-                context: context,
+                context: navigatorContext,
                 title: l10n.pleaseEnterYourPassword,
                 okLabel: l10n.ok,
                 cancelLabel: l10n.cancel,
@@ -63,7 +67,7 @@ extension UiaRequestManager on MatrixState {
           if (OkCancelResult.ok ==
               await showOkCancelAlertDialog(
                 useRootNavigator: false,
-                context: context,
+                context: navigatorContext,
                 title: l10n.weSentYouAnEmail,
                 message: l10n.pleaseClickOnLink,
                 okLabel: l10n.iHaveClickedOnLink,
@@ -88,7 +92,7 @@ extension UiaRequestManager on MatrixState {
               await showOkCancelAlertDialog(
                 useRootNavigator: false,
                 message: l10n.pleaseFollowInstructionsOnWeb,
-                context: context,
+                context: navigatorContext,
                 okLabel: l10n.next,
                 cancelLabel: l10n.cancel,
               )) {