general cleanups and mounted guards

lib/controllers/client.dart

@@ -200,14 +200,8 @@ class ClientController extends AsyncNotifier<int> {
   Future<String?> setState(SetStateRequest request) async =>
       await _sendCommand("set_state", request.toJson());
 
-  Future<String?> verify(String recoveryKey) async {
-    try {
-      await _sendCommand("verify", {"recovery_key": recoveryKey});
-      return null;
-    } catch (error) {
-      return error.toString();
-    }
-  }
+  Future<void> verify(String recoveryKey) =>
+      _sendCommand("verify", {"recovery_key": recoveryKey});
 
   Future<RecoveryKey> generateRecoveryKey(String passphrase) async => .fromJson(
     await _sendCommand("generate_recovery_key", {"passphrase": passphrase}),

lib/controllers/notification.dart

@@ -169,7 +169,7 @@ class NotificationController
 
     if (Platform.isLinux) {
       final portal = await ref.read(PortalController.provider.future);
-      const escape = HtmlEscape(HtmlEscapeMode.element);
+      const escape = HtmlEscape(.element);
 
       await portal.notification.addNotification(
         id.toString(),

lib/main.dart

@@ -160,8 +160,8 @@ class const App({super.key}) extends StatelessWidget {
               MultiProviderController.provider(
                 .new([
                   GomuksListenerController.provider,
-                  NotificationController.provider,
                   UnifiedPushController.provider,
+                  NotificationController.provider,
                   MemberListOpenedController.provider,
                   KeyController.provider(KeyController.roomKey),
                   KeyController.provider(KeyController.spaceKey),

lib/widgets/pages/select_server.dart

@@ -60,6 +60,8 @@ class const SelectServerPage({super.key}) extends HookConsumerWidget {
               return;
             }
 
+            if (!context.mounted) return;
+
             await ref.read(LaunchHelper.provider).launchUrl(codeResponse.url);
 
             AppLinks().uriLinkStream.listen((encodedUri) async {
@@ -70,7 +72,7 @@ class const SelectServerPage({super.key}) extends HookConsumerWidget {
               try {
                 final code = encodedUri.queryParameters["code"];
 
-                if (code != null) {
+                if (code != null && context.mounted) {
                   await ref
                       .read(ClientController.provider.notifier)
                       .exchangeToken(

lib/widgets/pages/verify.dart

@@ -18,6 +18,7 @@ class const VerifyPage({super.key}) extends HookConsumerWidget {
     final isLoading = useState(false);
     final inputError = useState<String?>(null);
     final formKey = useRef(GlobalKey<FormState>());
+
     final verificationState = ref.watch(
       ClientStateController.provider.select(
         (state) => state?.verificationState,
@@ -25,18 +26,24 @@ class const VerifyPage({super.key}) extends HookConsumerWidget {
     );
 
     Future<void> verify() async {
+      if (isLoading.value) return;
+
+      if (formKey.value.currentState?.validate() != true) {
+        return;
+      }
+
       isLoading.value = true;
 
       try {
-        if (formKey.value.currentState?.validate() != true) {
-          return;
-        }
-
-        inputError.value = await ref
+        await ref
             .read(ClientController.provider.notifier)
             .verify(passphraseController.text);
+      } catch (error) {
+        inputError.value = error.toString();
       } finally {
-        isLoading.value = false;
+        if (context.mounted) {
+          isLoading.value = false;
+        }
       }
     }
 
@@ -52,7 +59,8 @@ class const VerifyPage({super.key}) extends HookConsumerWidget {
       ),
       body: switch (verificationState) {
         null || VerificationState(stateChecked: false) => const Loading(),
-        // Nothing to verify with yet, so go straight to setting it up.
+
+        // Nothing to verify yet, so go straight to setup.
         VerificationState(hasSecretStorage: false) => Dialog(
           insetPadding: const .symmetric(vertical: 12, horizontal: 32),
           child: ConstrainedBox(
@@ -60,6 +68,7 @@ class const VerifyPage({super.key}) extends HookConsumerWidget {
             child: const ResetEncryptionSheet(isPage: true),
           ),
         ),
+
         _ => AlertDialog(
           insetPadding: .symmetric(vertical: 12, horizontal: 32),
           scrollable: true,
@@ -71,7 +80,9 @@ class const VerifyPage({super.key}) extends HookConsumerWidget {
               crossAxisAlignment: .start,
               children: [
                 Text(
-                  "Enter your recovery key or passphrase below to unlock encrypted events.\nYour passphrase is usually not the same as your password.",
+                  "Enter your recovery key or passphrase below to "
+                  "unlock encrypted events.\nYour passphrase is usually "
+                  "not the same as your password.",
                 ),
                 SizedBox(height: 12),
                 TextFormField(
@@ -94,9 +105,13 @@ class const VerifyPage({super.key}) extends HookConsumerWidget {
           ),
           actions: [
             TextButton(
-              onPressed: () => context.showAdaptiveSheet(
-                (_) => const ResetEncryptionSheet(),
-              ),
+              onPressed: isLoading.value
+                  ? null
+                  : () {
+                      context.showAdaptiveSheet(
+                        (_) => const ResetEncryptionSheet(),
+                      );
+                    },
               style: TextButton.styleFrom(
                 foregroundColor: Theme.of(context).colorScheme.error,
               ),