Merge pull request #489 from provokateurin/cleanup/login

Cleanup/login

docs/login.md

@@ -1,5 +1,5 @@
 # Login user flow
 
-This diagram displays the user flow for logging into the app. This is not how it currently works, but how it should work at some point.
+This diagram displays the user flow for logging into the app.
 
 ![Login user flow diagram](login.svg)

packages/neon/neon/lib/l10n/en.arb

@@ -1,5 +1,7 @@
 {
   "@@locale": "en",
+  "nextcloud": "Nextcloud",
+  "nextcloudLogo": "Nextcloud logo",
   "appImplementationName": "{app, select, nextcloud{Nextcloud} core{Server} files{Files} news{News} notes{Notes} notifications{Notifications} other{}}",
   "@appImplementationName": {
     "placeholders": {

packages/neon/neon/lib/l10n/localizations.dart

@@ -89,6 +89,18 @@ abstract class AppLocalizations {
   /// A list of this localizations delegate's supported locales.
   static const List<Locale> supportedLocales = <Locale>[Locale('en')];
 
+  /// No description provided for @nextcloud.
+  ///
+  /// In en, this message translates to:
+  /// **'Nextcloud'**
+  String get nextcloud;
+
+  /// No description provided for @nextcloudLogo.
+  ///
+  /// In en, this message translates to:
+  /// **'Nextcloud logo'**
+  String get nextcloudLogo;
+
   /// No description provided for @appImplementationName.
   ///
   /// In en, this message translates to:

packages/neon/neon/lib/l10n/localizations_en.dart

@@ -6,6 +6,12 @@ import 'localizations.dart';
 class AppLocalizationsEn extends AppLocalizations {
   AppLocalizationsEn([String locale = 'en']) : super(locale);
 
+  @override
+  String get nextcloud => 'Nextcloud';
+
+  @override
+  String get nextcloudLogo => 'Nextcloud logo';
+
   @override
   String appImplementationName(String app) {
     String _temp0 = intl.Intl.selectLogic(

packages/neon/neon/lib/src/pages/login.dart

@@ -20,18 +20,23 @@ class LoginPage extends StatefulWidget {
 class _LoginPageState extends State<LoginPage> {
   final _formKey = GlobalKey<FormState>();
   final _focusNode = FocusNode();
-
-  @override
-  void initState() {
-    super.initState();
-  }
+  final _controller = TextEditingController();
 
   @override
   void dispose() {
     _focusNode.dispose();
+    _controller.dispose();
     super.dispose();
   }
 
+  void login(final String url) {
+    if (_formKey.currentState!.validate()) {
+      LoginCheckServerStatusRoute(serverUrl: url).go(context);
+    } else {
+      _focusNode.requestFocus();
+    }
+  }
+
   @override
   Widget build(final BuildContext context) {
     final branding = Branding.of(context);
@@ -39,77 +44,76 @@ class _LoginPageState extends State<LoginPage> {
 
     return Scaffold(
       resizeToAvoidBottomInset: true,
-      appBar: AppBar(
-        leading: Navigator.canPop(context) ? const CloseButton() : null,
-      ),
+      appBar: Navigator.canPop(context)
+          ? AppBar(
+              leading: const CloseButton(),
+            )
+          : null,
       body: Center(
         child: ConstrainedBox(
           constraints: NeonDialogTheme.of(context).constraints,
           child: Scrollbar(
             child: SingleChildScrollView(
-              padding: const EdgeInsets.symmetric(vertical: 40, horizontal: 20),
+              padding: const EdgeInsets.all(10),
               primary: true,
               child: Column(
                 children: [
-                  branding.logo,
+                  ExcludeSemantics(
+                    child: branding.logo,
+                  ),
                   Text(
                     branding.name,
                     style: Theme.of(context).textTheme.titleLarge,
                   ),
-                  const SizedBox(
-                    height: 20,
-                  ),
                   if (branding.showLoginWithNextcloud) ...[
-                    Text(AppLocalizations.of(context).loginWorksWith),
                     const SizedBox(
-                      height: 20,
+                      height: 10,
                     ),
-                  ],
-                  const NextcloudLogo(),
+                    Text(AppLocalizations.of(context).loginWorksWith),
                     const SizedBox(
-                    height: 40,
-                  ),
-                  if (platform.canUseCamera) ...[
-                    ExcludeSemantics(
-                      child: Center(
-                        child: Text(AppLocalizations.of(context).loginUsingQrcode),
-                      ),
-                    ),
-                    IconButton(
-                      tooltip: AppLocalizations.of(context).loginUsingQrcode,
-                      icon: const Icon(
-                        Icons.qr_code_scanner,
-                        size: 50,
+                      height: 10,
                     ),
-                      onPressed: () => const LoginQrcodeRoute().go(context),
+                    Semantics(
+                      label: AppLocalizations.of(context).nextcloud,
+                      child: const NextcloudLogo(),
                     ),
+                  ],
                   const SizedBox(
-                      height: 20,
-                    ),
-                    ExcludeSemantics(
-                      child: Center(
-                        child: Text(AppLocalizations.of(context).loginUsingServerAddress),
-                      ),
+                    height: 50,
                   ),
-                  ],
                   Form(
                     key: _formKey,
                     child: TextFormField(
                       focusNode: _focusNode,
-                      decoration: const InputDecoration(
+                      controller: _controller,
+                      decoration: InputDecoration(
                         hintText: 'https://...',
+                        labelText: AppLocalizations.of(context).loginUsingServerAddress,
+                        suffixIcon: IconButton(
+                          icon: const Icon(Icons.arrow_forward),
+                          onPressed: () {
+                            login(_controller.text);
+                          },
+                        ),
                       ),
                       keyboardType: TextInputType.url,
                       validator: (final input) => validateHttpUrl(context, input),
-                      onFieldSubmitted: (final input) {
-                        if (_formKey.currentState!.validate()) {
-                          LoginCheckServerStatusRoute(serverUrl: input).go(context);
-                        } else {
-                          _focusNode.requestFocus();
-                        }
-                      },
+                      onFieldSubmitted: login,
+                    ),
                   ),
+                  if (platform.canUseCamera || true) ...[
+                    const SizedBox(
+                      height: 50,
                     ),
+                    IconButton(
+                      tooltip: AppLocalizations.of(context).loginUsingQrcode,
+                      icon: const Icon(
+                        Icons.qr_code_scanner_rounded,
+                        size: 60,
+                      ),
+                      onPressed: () => const LoginQrcodeRoute().go(context),
+                    ),
+                  ],
                 ],
               ),
             ),

packages/neon/neon/lib/src/pages/login_check_account.dart

@@ -1,3 +1,5 @@
+import 'dart:async';
+
 import 'package:flutter/material.dart';
 import 'package:neon/l10n/localizations.dart';
 import 'package:neon/src/bloc/result.dart';
@@ -9,7 +11,6 @@ import 'package:neon/src/router.dart';
 import 'package:neon/src/theme/dialog.dart';
 import 'package:neon/src/widgets/account_tile.dart';
 import 'package:neon/src/widgets/exception.dart';
-import 'package:neon/src/widgets/linear_progress_indicator.dart';
 import 'package:neon/src/widgets/validation_tile.dart';
 import 'package:provider/provider.dart';
 
@@ -62,13 +63,19 @@ class _LoginCheckAccountPageState extends State<LoginCheckAccountPage> {
                 builder: (final context, final state) => Column(
                   mainAxisAlignment: MainAxisAlignment.center,
                   children: [
-                    NeonLinearProgressIndicator(
-                      visible: state.isLoading,
-                    ),
-                    NeonException(
-                      state.error,
-                      onRetry: bloc.refresh,
+                    if (state.hasError) ...[
+                      Builder(
+                        builder: (final context) {
+                          final details = NeonException.getDetails(context, state.error);
+                          return NeonValidationTile(
+                            title: details.isUnauthorized
+                                ? AppLocalizations.of(context).errorCredentialsForAccountNoLongerMatch
+                                : details.text,
+                            state: ValidationState.failure,
+                          );
+                        },
                       ),
+                    ],
                     _buildAccountTile(state),
                     Align(
                       alignment: Alignment.bottomRight,
@@ -81,8 +88,19 @@ class _LoginCheckAccountPageState extends State<LoginCheckAccountPage> {
 
                                 const HomeRoute().go(context);
                               }
-                            : null,
-                        child: Text(AppLocalizations.of(context).actionContinue),
+                            : () {
+                                if (state.hasError && NeonException.getDetails(context, state.error).isUnauthorized) {
+                                  Navigator.pop(context);
+                                  return;
+                                }
+
+                                unawaited(bloc.refresh());
+                              },
+                        child: Text(
+                          state.hasData
+                              ? AppLocalizations.of(context).actionContinue
+                              : AppLocalizations.of(context).actionRetry,
+                        ),
                       ),
                     ),
                   ],
@@ -94,6 +112,13 @@ class _LoginCheckAccountPageState extends State<LoginCheckAccountPage> {
       );
 
   Widget _buildAccountTile(final Result<Account> result) {
+    if (result.hasError) {
+      return NeonValidationTile(
+        title: AppLocalizations.of(context).loginCheckingAccount,
+        state: ValidationState.canceled,
+      );
+    }
+
     if (result.hasData) {
       return NeonAccountTile(
         account: result.requireData,

packages/neon/neon/lib/src/pages/login_check_server_status.dart

@@ -6,7 +6,6 @@ import 'package:neon/src/blocs/login_check_server_status.dart';
 import 'package:neon/src/router.dart';
 import 'package:neon/src/theme/dialog.dart';
 import 'package:neon/src/widgets/exception.dart';
-import 'package:neon/src/widgets/linear_progress_indicator.dart';
 import 'package:neon/src/widgets/validation_tile.dart';
 import 'package:nextcloud/nextcloud.dart';
 
@@ -64,20 +63,23 @@ class _LoginCheckServerStatusPageState extends State<LoginCheckServerStatusPage>
                   return Column(
                     mainAxisAlignment: MainAxisAlignment.center,
                     children: [
-                      NeonLinearProgressIndicator(
-                        visible: state.isLoading,
-                      ),
-                      NeonException(
-                        state.error,
-                        onRetry: bloc.refresh,
+                      if (state.hasError) ...[
+                        NeonValidationTile(
+                          title: NeonException.getDetails(context, state.error).text,
+                          state: ValidationState.failure,
                         ),
+                      ],
                       _buildServerVersionTile(state),
                       _buildMaintenanceModeTile(state),
                       Align(
                         alignment: Alignment.bottomRight,
                         child: ElevatedButton(
-                          onPressed: success ? _onContinue : null,
-                          child: Text(AppLocalizations.of(context).actionContinue),
+                          onPressed: success ? _onContinue : bloc.refresh,
+                          child: Text(
+                            success
+                                ? AppLocalizations.of(context).actionContinue
+                                : AppLocalizations.of(context).actionRetry,
+                          ),
                         ),
                       ),
                     ],
@@ -102,6 +104,13 @@ class _LoginCheckServerStatusPageState extends State<LoginCheckServerStatusPage>
   }
 
   Widget _buildServerVersionTile(final Result<CoreServerStatus> result) {
+    if (result.hasError) {
+      return NeonValidationTile(
+        title: AppLocalizations.of(context).loginCheckingServerVersion,
+        state: ValidationState.canceled,
+      );
+    }
+
     if (!result.hasData) {
       return NeonValidationTile(
         title: AppLocalizations.of(context).loginCheckingServerVersion,
@@ -123,6 +132,13 @@ class _LoginCheckServerStatusPageState extends State<LoginCheckServerStatusPage>
   }
 
   Widget _buildMaintenanceModeTile(final Result<CoreServerStatus> result) {
+    if (result.hasError) {
+      return NeonValidationTile(
+        title: AppLocalizations.of(context).loginCheckingMaintenanceMode,
+        state: ValidationState.canceled,
+      );
+    }
+
     if (!result.hasData) {
       return NeonValidationTile(
         title: AppLocalizations.of(context).loginCheckingMaintenanceMode,

packages/neon/neon/lib/src/pages/login_flow.dart

@@ -57,7 +57,7 @@ class _LoginFlowPageState extends State<LoginFlowPage> {
         appBar: AppBar(),
         body: Center(
           child: Padding(
-            padding: const EdgeInsets.all(24),
+            padding: const EdgeInsets.all(10),
             child: ResultBuilder.behaviorSubject(
               stream: bloc.init,
               builder: (final context, final init) => Column(

packages/neon/neon/lib/src/theme/branding.dart

@@ -13,7 +13,7 @@ class Branding {
     required this.name,
     required this.logo,
     this.legalese,
-    this.showLoginWithNextcloud = false,
+    this.showLoginWithNextcloud = true,
   });
 
   /// App name

packages/neon/neon/lib/src/theme/theme.dart

@@ -48,6 +48,7 @@ class AppTheme {
       snackBarTheme: _snackBarTheme,
       dividerTheme: _dividerTheme,
       scrollbarTheme: _scrollbarTheme,
+      inputDecorationTheme: _inputDecorationTheme,
       extensions: [
         neonTheme,
         ...?appThemes,
@@ -70,4 +71,9 @@ class AppTheme {
   static const _scrollbarTheme = ScrollbarThemeData(
     interactive: true,
   );
+
+  static const _inputDecorationTheme = InputDecorationTheme(
+    border: OutlineInputBorder(),
+    floatingLabelBehavior: FloatingLabelBehavior.always,
+  );
 }

packages/neon/neon/lib/src/widgets/exception.dart

@@ -27,7 +27,7 @@ class NeonException extends StatelessWidget {
   final Color? color;
 
   static void showSnackbar(final BuildContext context, final dynamic exception) {
-    final details = _getExceptionDetails(context, exception);
+    final details = getDetails(context, exception);
 
     ScaffoldMessenger.of(context).showSnackBar(
       SnackBar(
@@ -48,7 +48,7 @@ class NeonException extends StatelessWidget {
       return const SizedBox();
     }
 
-    final details = _getExceptionDetails(context, exception);
+    final details = getDetails(context, exception);
     final color = this.color ?? Theme.of(context).colorScheme.error;
 
     final errorIcon = Icon(
@@ -109,7 +109,7 @@ class NeonException extends StatelessWidget {
     );
   }
 
-  static _ExceptionDetails _getExceptionDetails(final BuildContext context, final dynamic exception) {
+  static _ExceptionDetails getDetails(final BuildContext context, final dynamic exception) {
     if (exception is String) {
       return _ExceptionDetails(
         text: exception,

packages/neon/neon/lib/src/widgets/nextcloud_logo.dart

@@ -1,5 +1,6 @@
 import 'package:flutter/widgets.dart';
 import 'package:flutter_svg/flutter_svg.dart';
+import 'package:neon/l10n/localizations.dart';
 
 class NextcloudLogo extends StatelessWidget {
   const NextcloudLogo({
@@ -12,5 +13,6 @@ class NextcloudLogo extends StatelessWidget {
         package: 'neon',
         width: 100,
         height: 100,
+        semanticsLabel: AppLocalizations.of(context).nextcloudLogo,
       );
 }

packages/neon/neon/lib/src/widgets/validation_tile.dart

@@ -27,6 +27,11 @@ class NeonValidationTile extends StatelessWidget {
           color: Theme.of(context).colorScheme.error,
           size: size,
         ),
+      ValidationState.canceled => Icon(
+          Icons.cancel_outlined,
+          color: Theme.of(context).disabledColor,
+          size: size,
+        ),
       ValidationState.success => Icon(
           Icons.check_circle,
           color: Theme.of(context).colorScheme.primary,
@@ -35,7 +40,10 @@ class NeonValidationTile extends StatelessWidget {
     };
     return ListTile(
       leading: leading,
-      title: Text(title),
+      title: Text(
+        title,
+        style: state == ValidationState.canceled ? TextStyle(color: Theme.of(context).disabledColor) : null,
+      ),
     );
   }
 }
@@ -43,5 +51,6 @@ class NeonValidationTile extends StatelessWidget {
 enum ValidationState {
   loading,
   failure,
+  canceled,
   success,
 }