Tony/259 stay logged in

lib/src/widgets/solid_login.dart

@@ -208,6 +208,10 @@ class _SolidLoginState extends State<SolidLogin> with WidgetsBindingObserver {
     _infoFocusNode = FocusNode(debugLabel: 'infoButton');
     _serverInputFocusNode = FocusNode(debugLabel: 'serverInput');
 
+    // Restore the persisted "Stay signed in" preference.
+
+    _loadStaySignedInPreference();
+
     // Resolve image assets with fallback logic.
 
     _resolveImageAssets();
@@ -253,6 +257,13 @@ class _SolidLoginState extends State<SolidLogin> with WidgetsBindingObserver {
     if (mounted) setState(() => _assetsResolved = true);
   }
 
+  /// Loads the persisted "Stay signed in" preference from SharedPreferences.
+
+  Future<void> _loadStaySignedInPreference() async {
+    final value = await SolidLoginAuthHandler.getStaySignedIn();
+    if (mounted) setState(() => _staySignedIn = value);
+  }
+
   @override
   void dispose() {
     WidgetsBinding.instance.removeObserver(this);
@@ -370,6 +381,14 @@ class _SolidLoginState extends State<SolidLogin> with WidgetsBindingObserver {
     //   - No cache     → start the browser login flow as normal.
 
     Future<void> performLogin() async {
+      // When the user has opted out of staying signed in, discard any
+      // existing cached session immediately so browser authentication
+      // is always required.
+
+      if (!_staySignedIn) {
+        await deleteLogIn();
+      }
+
       final podServer = webIdController.text.trim().isNotEmpty
           ? webIdController.text.trim()
           : SolidConfig.defaultServerUrl;
@@ -415,6 +434,14 @@ class _SolidLoginState extends State<SolidLogin> with WidgetsBindingObserver {
     // re-login so the setup wizard can re-initialise the POD.
 
     Future<void> performContinue() async {
+      // When the user has opted out of staying signed in, discard any
+      // existing cached session immediately so the user proceeds in a
+      // logged-out state.
+
+      if (!_staySignedIn) {
+        await deleteLogIn();
+      }
+
       final isLoggedIn = await isUserLoggedIn();
 
       if (isLoggedIn && defaultFolders.isNotEmpty) {
@@ -529,14 +556,21 @@ class _SolidLoginState extends State<SolidLogin> with WidgetsBindingObserver {
             height: 24,
             child: Checkbox(
               value: _staySignedIn,
-              onChanged: (value) =>
-                  setState(() => _staySignedIn = value ?? true),
+              onChanged: (value) {
+                final newValue = value ?? true;
+                setState(() => _staySignedIn = newValue);
+                SolidLoginAuthHandler.setStaySignedIn(newValue);
+              },
             ),
           ),
         ),
         const SizedBox(width: 8),
         GestureDetector(
-          onTap: () => setState(() => _staySignedIn = !_staySignedIn),
+          onTap: () {
+            final newValue = !_staySignedIn;
+            setState(() => _staySignedIn = newValue);
+            SolidLoginAuthHandler.setStaySignedIn(newValue);
+          },
           child: Text(
             'Stay signed in',
             style: TextStyle(color: currentTheme.textColor, fontSize: 14),

lib/src/widgets/solid_login_auth_handler.dart

@@ -56,6 +56,10 @@ class SolidLoginAuthHandler {
 
   static const clearSessionKey = 'solidui_clear_session_on_startup';
 
+  /// SharedPreferences key for persisting the "Stay signed in" preference.
+
+  static const staySignedInKey = 'solidui_stay_signed_in';
+
   /// Clears the cached login session if a previous session opted out of
   /// "Stay signed in". Call this early during login page initialisation.
 
@@ -68,6 +72,21 @@ class SolidLoginAuthHandler {
     }
   }
 
+  /// Returns the persisted "Stay signed in" preference, defaulting to true.
+
+  static Future<bool> getStaySignedIn() async {
+    final prefs = await SharedPreferences.getInstance();
+
+    return prefs.getBool(staySignedInKey) ?? true;
+  }
+
+  /// Persists the "Stay signed in" preference.
+
+  static Future<void> setStaySignedIn(bool value) async {
+    final prefs = await SharedPreferences.getInstance();
+    await prefs.setBool(staySignedInKey, value);
+  }
+
   /// Notifies the user that their POD is not initialised, verifies the remote
   /// directory structure, and navigates to the appropriate screen (setup wizard
   /// or child widget).
@@ -97,6 +116,16 @@ class SolidLoginAuthHandler {
 
     if (!allExists) {
       await clearPodStructureInitialised();
+
+      // Schedule session clearance for next startup when the user has
+      // opted out of staying signed in. We must not call deleteLogIn()
+      // here because InitialSetupScreen still needs valid auth data.
+
+      if (!staySignedIn) {
+        final prefs = await SharedPreferences.getInstance();
+        await prefs.setBool(clearSessionKey, true);
+      }
+
       if (!context.mounted) return false;
 
       await pushReplacement(
@@ -109,15 +138,20 @@ class SolidLoginAuthHandler {
       );
     } else {
       await markPodStructureInitialised();
+
+      // Schedule session clearance for next startup when the user has
+      // opted out of staying signed in. deleteLogIn() must come after
+      // markPodStructureInitialised() which requires valid auth data.
+
+      if (!staySignedIn) {
+        final prefs = await SharedPreferences.getInstance();
+        await prefs.setBool(clearSessionKey, true);
+      }
+
       if (!context.mounted) return false;
       await pushReplacement(context, childWidget);
     }
 
-    if (!staySignedIn) {
-      final prefs = await SharedPreferences.getInstance();
-      await prefs.setBool(clearSessionKey, true);
-    }
-
     return true;
   }
 
@@ -285,6 +319,15 @@ class SolidLoginAuthHandler {
 
         await clearPodStructureInitialised();
 
+        // Schedule session clearance for next startup when the user has
+        // opted out of staying signed in. We must not call deleteLogIn()
+        // here because InitialSetupScreen still needs valid auth data.
+
+        if (!staySignedIn) {
+          final prefs = await SharedPreferences.getInstance();
+          await prefs.setBool(clearSessionKey, true);
+        }
+
         if (!context.mounted) return false;
 
         await pushReplacement(
@@ -297,15 +340,20 @@ class SolidLoginAuthHandler {
         );
       } else {
         await markPodStructureInitialised();
+
+        // Schedule session clearance for next startup when the user has
+        // opted out of staying signed in. deleteLogIn() must come after
+        // markPodStructureInitialised() which requires valid auth data.
+
+        if (!staySignedIn) {
+          final prefs = await SharedPreferences.getInstance();
+          await prefs.setBool(clearSessionKey, true);
+        }
+
         if (!context.mounted) return false;
         await pushReplacement(context, childWidget);
       }
 
-      if (!staySignedIn) {
-        final prefs = await SharedPreferences.getInstance();
-        await prefs.setBool(clearSessionKey, true);
-      }
-
       return true;
     } else {
       // solidAuthenticate() returned null. This can happen when:

lib/src/widgets/solid_login_panel.dart

@@ -124,11 +124,21 @@ class SolidLoginPanel {
             ],
           ),
 
-          if (staySignedInCheckbox != null) staySignedInCheckbox,
-          if (tryAnotherAccountButton != null) ...[
-            const SizedBox(height: 4.0),
+          if (staySignedInCheckbox != null) ...[
+            if (tryAnotherAccountButton != null)
+              Row(
+                mainAxisAlignment: MainAxisAlignment.center,
+                crossAxisAlignment: CrossAxisAlignment.center,
+                children: [
+                  staySignedInCheckbox,
+                  const SizedBox(width: 16.0),
+                  tryAnotherAccountButton,
+                ],
+              )
+            else
+              staySignedInCheckbox,
+          ] else if (tryAnotherAccountButton != null)
             tryAnotherAccountButton,
-          ],
 
           const SizedBox(height: 20.0),
 

lib/src/widgets/solid_scaffold_state.dart

@@ -114,7 +114,16 @@ class SolidScaffoldState extends State<SolidScaffold> {
     super.dispose();
   }
 
-  void _onPreferencesChanged() => mounted ? setState(() {}) : null;
+  // Deferred to avoid triggering setState while the framework is building
+  // widgets (e.g. when initializeIfNeeded updates the notifier during build).
+
+  void _onPreferencesChanged() {
+    if (!mounted) return;
+    WidgetsBinding.instance.addPostFrameCallback((_) {
+      if (mounted) setState(() {});
+    });
+  }
+
   void _onControllerChanged() => mounted ? setState(() {}) : null;
   void _onThemeChanged() => mounted ? setState(() {}) : null;