Disable saving credentials temporarily on Uno

Author: d2dyno1

src/Platforms/SecureFolderFS.Maui/UserControls/LoginControl.xaml

@@ -107,6 +107,7 @@
                     <!--  Title  -->
                     <Label
                         HorizontalOptions="Center"
+                        LineBreakMode="WordWrap"
                         Opacity="0.8"
                         Text="{l:ResourceString Rid=CredentialsHaveBeenSaved}" />
 

src/Platforms/SecureFolderFS.Uno/UserControls/LoginControl.xaml

@@ -187,7 +187,10 @@
         <DataTemplate x:Key="PersistedAuthenticationTemplate" x:DataType="vm5:PersistedAuthenticationViewModel">
             <StackPanel Spacing="16">
                 <!--  Title  -->
-                <TextBlock HorizontalAlignment="Center" Text="{l:ResourceString Rid=CredentialsHaveBeenSaved}" />
+                <TextBlock
+                    HorizontalAlignment="Center"
+                    Text="{l:ResourceString Rid=CredentialsHaveBeenSaved}"
+                    TextWrapping="WrapWholeWords" />
 
                 <!--  Continue  -->
                 <Button

src/Platforms/SecureFolderFS.Uno/UserControls/LoginOptions.xaml

@@ -19,6 +19,7 @@
                     <CheckBox
                         Content="{l:ResourceString Rid=SaveCredentials}"
                         IsChecked="{x:Bind ShouldSaveCredentials, Mode=TwoWay}"
+                        IsEnabled="False"
                         Visibility="{x:Bind AreCredentialsSaved, Mode=OneWay, Converter={StaticResource BoolInvertConverter}}" />
 
                     <Button

src/Sdk/SecureFolderFS.Sdk/ViewModels/Controls/Authentication/PersistedAuthenticationViewModel.cs

@@ -53,17 +53,17 @@ public override Task<IResult<IKeyBytes>> AcquireAsync(string id, byte[]? data, C
         }
 
         /// <inheritdoc/>
-        protected override Task ProvideCredentialsAsync(CancellationToken cancellationToken)
+        protected override async Task ProvideCredentialsAsync(CancellationToken cancellationToken)
         {
             if (!PersistedCredentialsModel.Instance.Credentials.TryGetValue(_vaultId, out var credentials))
             {
                 PersistedCredentialsModel.Instance.Credentials.Remove(_vaultId);
-                CredentialsProvided?.Invoke(this, new(new ManagedKey(0), null));
-                return Task.CompletedTask;
+                credentials = ManagedKey.Empty;
             }
 
-            CredentialsProvided?.Invoke(this, new(credentials.CreateCopy(), null));
-            return Task.CompletedTask;
+            var tcs = new TaskCompletionSource();
+            CredentialsProvided?.Invoke(this, new(credentials.CreateCopy(), tcs));
+            await tcs.Task;
         }
     }
 }

src/Shared/SecureFolderFS.Shared/SecureStore/ManagedKey.cs

@@ -8,6 +8,11 @@ namespace SecureFolderFS.Shared.SecureStore
     /// <inheritdoc cref="IKeyBytes"/>
     public sealed class ManagedKey : IKeyBytes, ICloneable
     {
+        /// <summary>
+        /// Represents an empty key.
+        /// </summary>
+        public static ManagedKey Empty { get; } = new(0);
+
         /// <inheritdoc/>
         public byte[] Key { get; }