feat: AccessibilitySettings class

src/Uno.UWP/Generated/3.0.0.0/Windows.UI.ViewManagement/AccessibilitySettings.cs

@@ -2,12 +2,12 @@
 #pragma warning disable 114 // new keyword hiding
 namespace Windows.UI.ViewManagement
 {
-	#if __ANDROID__ || __IOS__ || NET461 || __WASM__ || __SKIA__ || __NETSTD_REFERENCE__ || __MACOS__
+	#if false
 	[global::Uno.NotImplemented]
 	#endif
 	public  partial class AccessibilitySettings 
 	{
-		#if __ANDROID__ || __IOS__ || NET461 || __WASM__ || __SKIA__ || __NETSTD_REFERENCE__ || __MACOS__
+		#if false
 		[global::Uno.NotImplemented("__ANDROID__", "__IOS__", "NET461", "__WASM__", "__SKIA__", "__NETSTD_REFERENCE__", "__MACOS__")]
 		public  bool HighContrast
 		{
@@ -17,7 +17,7 @@ public  bool HighContrast
 			}
 		}
 		#endif
-		#if __ANDROID__ || __IOS__ || NET461 || __WASM__ || __SKIA__ || __NETSTD_REFERENCE__ || __MACOS__
+		#if false
 		[global::Uno.NotImplemented("__ANDROID__", "__IOS__", "NET461", "__WASM__", "__SKIA__", "__NETSTD_REFERENCE__", "__MACOS__")]
 		public  string HighContrastScheme
 		{
@@ -27,7 +27,7 @@ public  string HighContrastScheme
 			}
 		}
 		#endif
-		#if __ANDROID__ || __IOS__ || NET461 || __WASM__ || __SKIA__ || __NETSTD_REFERENCE__ || __MACOS__
+		#if false
 		[global::Uno.NotImplemented("__ANDROID__", "__IOS__", "NET461", "__WASM__", "__SKIA__", "__NETSTD_REFERENCE__", "__MACOS__")]
 		public AccessibilitySettings() 
 		{

src/Uno.UWP/UI/ViewManagement/AccessibilitySettings.cs

@@ -0,0 +1,37 @@
+using Uno;
+
+namespace Windows.UI.ViewManagement
+{
+	/// <summary>
+	/// Provides access to the high contrast accessibility settings.
+	/// </summary>
+	public partial class AccessibilitySettings
+	{
+		/// <summary>
+		/// Initializes a new AccessibilitySettings object.
+		/// </summary>
+		public AccessibilitySettings()
+		{
+		}
+
+		/// <summary>
+		/// Gets a value that indicates whether the system high contrast feature is on or off.
+		/// </summary>
+		/// <remarks>
+		/// In Uno Platform this returns the value of <see cref="WinRTFeatureConfiguration.Accessibility.HighContrast"/>.
+		/// The default is false.
+		/// </remarks>
+		[NotImplemented("__ANDROID__", "__IOS__", "NET461", "__WASM__", "__SKIA__", "__NETSTD_REFERENCE__", "__MACOS__")]
+		public bool HighContrast => WinRTFeatureConfiguration.Accessibility.HighContrast;
+
+		/// <summary>
+		/// Gets the name of the default high contrast color scheme.
+		/// </summary>
+		/// <remarks>
+		/// In Uno Platform this returns the value of <see cref="WinRTFeatureConfiguration.Accessibility.HighContrastScheme"/>.
+		/// The default is "High Contrast Black".
+		/// </remarks>
+		[NotImplemented("__ANDROID__", "__IOS__", "NET461", "__WASM__", "__SKIA__", "__NETSTD_REFERENCE__", "__MACOS__")]
+		public string HighContrastScheme => WinRTFeatureConfiguration.Accessibility.HighContrastScheme;
+	}
+}

src/Uno.UWP/UI/ViewManagement/UISettings.cs

@@ -13,13 +13,13 @@ namespace Windows.UI.ViewManagement
 	/// </summary>
 	/// <remarks>Events on this class are fired as long as the instance is alive.
 	/// To ensure the class does not get garbage collected, keep a strong reference to it.</remarks>
-	public partial class UISettings 
-	{		
+	public partial class UISettings
+	{
 		private static readonly ConcurrentDictionary<WeakReference<UISettings>, object> _instances = new ConcurrentDictionary<WeakReference<UISettings>, object>();
 		private readonly WeakReference<UISettings> _weakReference;
 
 		public UISettings()
-		{			
+		{
 			_weakReference = new WeakReference<UISettings>(this);
 			_instances.TryAdd(_weakReference, null);
 		}
@@ -30,7 +30,7 @@ public UISettings()
 		}
 
 		internal static void OnColorValuesChanged()
-		{			
+		{
 			foreach (var instance in _instances)
 			{
 				var weakReference = instance.Key;
@@ -207,11 +207,11 @@ public bool AdvancedEffectsEnabled
 		{
 			global::Windows.Foundation.Metadata.ApiInformation.TryRaiseNotImplemented("Windows.UI.ViewManagement.UISettings", "UIElementColor");
 			return Colors.Black;
-		}		
+		}
 
 #pragma warning disable 67
 		[global::Uno.NotImplemented]
-		public event global::Windows.Foundation.TypedEventHandler<global::Windows.UI.ViewManagement.UISettings, object> TextScaleFactorChanged;		
+		public event global::Windows.Foundation.TypedEventHandler<global::Windows.UI.ViewManagement.UISettings, object> TextScaleFactorChanged;
 
 		[global::Uno.NotImplemented]
 		public event global::Windows.Foundation.TypedEventHandler<global::Windows.UI.ViewManagement.UISettings, object> AdvancedEffectsEnabledChanged;

src/Uno.UWP/WinRTFeatureConfiguration.Accessibility.cs

@@ -0,0 +1,18 @@
+namespace Uno
+{
+	partial class WinRTFeatureConfiguration
+	{
+		public static class Accessibility
+		{
+			/// <summary>
+			/// Allows overriding the value returned by <see cref="Windows.UI.ViewManagement.AccessibilitySettings.HighContrast"/>.
+			/// </summary>
+			public static bool HighContrast { get; set; } = false;
+
+			/// <summary>
+			/// Allows overriding the value returned by <see cref="Windows.UI.ViewManagement.AccessibilitySettings.HighContrastScheme"/>.
+			/// </summary>
+			public static string HighContrastScheme { get; set; } = "High Contrast Black";
+		}
+	}
+}