fix(codegen): Adjust mvvm toolkit properties discovery (backport #18326)

src/SourceGenerators/Uno.UI.SourceGenerators.Tests/XamlCodeGeneratorTests/Given_MvvmGeneratedMembers.cs

@@ -97,6 +97,118 @@ public void MyBindBack(string s) { }
 		await test.RunAsync();
 	}
 
+	[TestMethod]
+	public async Task When_Boolean_Observable_Property()
+	{
+		var xamlFile = new XamlFile(
+			"MainPage.xaml",
+			"""
+			<Page x:Class="TestRepro.MainPage"
+					xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+					xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+					xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006">
+
+				<StackPanel>
+					<ToggleSwitch IsOn="{x:Bind ViewModel.IsEnabled, Mode=TwoWay}" OnContent="Enabled" OffContent="Disabled"/>
+				</StackPanel>
+			</Page>
+			""");
+
+		var test = new MvvmTest(xamlFile, $"WBOP")
+		{
+			TestState =
+			{
+				Sources =
+				{
+					$$"""
+					using Microsoft.UI.Xaml.Controls;
+					using CommunityToolkit.Mvvm.ComponentModel;
+
+					namespace TestRepro
+					{
+						public sealed partial class MainPage : Page
+						{
+							public MyViewModel ViewModel = new MyViewModel();
+
+							public MainPage()
+							{
+								this.InitializeComponent();
+							}
+						}
+
+						public partial class MyViewModel : ObservableObject
+						{
+							[ObservableProperty]
+							private bool _isEnabled;
+						}
+					}
+					"""
+				}
+			}
+		}.AddGeneratedSources();
+
+		await test.RunAsync();
+	}
+
+	[TestMethod]
+	public async Task When_Nested_Boolean_Observable_Property()
+	{
+		var xamlFile = new XamlFile(
+			"MainPage.xaml",
+			"""
+			<Page x:Class="TestRepro.MainPage"
+					xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+					xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+					xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006">
+
+				<StackPanel>
+					<ToggleSwitch IsOn="{x:Bind ViewModel.SubModel.IsEnabled, Mode=TwoWay}" OnContent="Enabled" OffContent="Disabled"/>
+				</StackPanel>
+			</Page>
+			""");
+
+		var test = new MvvmTest(xamlFile, $"WNBOP")
+		{
+			TestState =
+			{
+				Sources =
+				{
+					$$"""
+					using Microsoft.UI.Xaml.Controls;
+					using CommunityToolkit.Mvvm.ComponentModel;
+
+					namespace TestRepro
+					{
+						public sealed partial class MainPage : Page
+						{
+							public MyViewModel ViewModel = new MyViewModel();
+
+							public MainPage()
+							{
+								this.InitializeComponent();
+							}
+						}
+
+						public partial class MyViewModel : ObservableObject
+						{
+							[ObservableProperty]
+							private MySubViewModel _subModel;
+						}
+
+						public partial class MySubViewModel : ObservableObject
+						{
+							[ObservableProperty]
+							private bool _isEnabled;
+						}
+					}
+					"""
+				}
+			}
+		}.AddGeneratedSources();
+
+		await test.RunAsync();
+	}
+
 	[TestMethod]
 	public async Task When_ObservableProperty_AttributeDoesNotExists()
 	{

src/SourceGenerators/Uno.UI.SourceGenerators.Tests/XamlCodeGeneratorTests/Out/WBOP/ObservablePropertyGenerator_TestRepro.MyViewModel.g.cs

@@ -0,0 +1,53 @@
+// <auto-generated/>
+#pragma warning disable
+#nullable enable
+namespace TestRepro
+{
+    /// <inheritdoc/>
+    partial class MyViewModel
+    {
+        /// <inheritdoc cref="_isEnabled"/>
+        [global::System.CodeDom.Compiler.GeneratedCode("CommunityToolkit.Mvvm.SourceGenerators.ObservablePropertyGenerator", "8.2.0.0")]
+        [global::System.Diagnostics.CodeAnalysis.ExcludeFromCodeCoverage]
+        public bool IsEnabled
+        {
+            get => _isEnabled;
+            set
+            {
+                if (!global::System.Collections.Generic.EqualityComparer<bool>.Default.Equals(_isEnabled, value))
+                {
+                    OnIsEnabledChanging(value);
+                    OnIsEnabledChanging(default, value);
+                    OnPropertyChanging(global::CommunityToolkit.Mvvm.ComponentModel.__Internals.__KnownINotifyPropertyChangingArgs.IsEnabled);
+                    _isEnabled = value;
+                    OnIsEnabledChanged(value);
+                    OnIsEnabledChanged(default, value);
+                    OnPropertyChanged(global::CommunityToolkit.Mvvm.ComponentModel.__Internals.__KnownINotifyPropertyChangedArgs.IsEnabled);
+                }
+            }
+        }
+
+        /// <summary>Executes the logic for when <see cref="IsEnabled"/> is changing.</summary>
+        /// <param name="value">The new property value being set.</param>
+        /// <remarks>This method is invoked right before the value of <see cref="IsEnabled"/> is changed.</remarks>
+        [global::System.CodeDom.Compiler.GeneratedCode("CommunityToolkit.Mvvm.SourceGenerators.ObservablePropertyGenerator", "8.2.0.0")]
+        partial void OnIsEnabledChanging(bool value);
+        /// <summary>Executes the logic for when <see cref="IsEnabled"/> is changing.</summary>
+        /// <param name="oldValue">The previous property value that is being replaced.</param>
+        /// <param name="newValue">The new property value being set.</param>
+        /// <remarks>This method is invoked right before the value of <see cref="IsEnabled"/> is changed.</remarks>
+        [global::System.CodeDom.Compiler.GeneratedCode("CommunityToolkit.Mvvm.SourceGenerators.ObservablePropertyGenerator", "8.2.0.0")]
+        partial void OnIsEnabledChanging(bool oldValue, bool newValue);
+        /// <summary>Executes the logic for when <see cref="IsEnabled"/> just changed.</summary>
+        /// <param name="value">The new property value that was set.</param>
+        /// <remarks>This method is invoked right after the value of <see cref="IsEnabled"/> is changed.</remarks>
+        [global::System.CodeDom.Compiler.GeneratedCode("CommunityToolkit.Mvvm.SourceGenerators.ObservablePropertyGenerator", "8.2.0.0")]
+        partial void OnIsEnabledChanged(bool value);
+        /// <summary>Executes the logic for when <see cref="IsEnabled"/> just changed.</summary>
+        /// <param name="oldValue">The previous property value that was replaced.</param>
+        /// <param name="newValue">The new property value that was set.</param>
+        /// <remarks>This method is invoked right after the value of <see cref="IsEnabled"/> is changed.</remarks>
+        [global::System.CodeDom.Compiler.GeneratedCode("CommunityToolkit.Mvvm.SourceGenerators.ObservablePropertyGenerator", "8.2.0.0")]
+        partial void OnIsEnabledChanged(bool oldValue, bool newValue);
+    }
+}

src/SourceGenerators/Uno.UI.SourceGenerators.Tests/XamlCodeGeneratorTests/Out/WBOP/ObservablePropertyGenerator___KnownINotifyPropertyChangedArgs.g.cs

@@ -0,0 +1,22 @@
+// <auto-generated/>
+#pragma warning disable
+#nullable enable
+namespace CommunityToolkit.Mvvm.ComponentModel.__Internals
+{
+    /// <summary>
+    /// A helper type providing cached, reusable <see cref="global::System.ComponentModel.PropertyChangedEventArgs"/> instances
+    /// for all properties generated with <see cref="global::CommunityToolkit.Mvvm.ComponentModel.ObservablePropertyAttribute"/>.
+    /// </summary>
+    [global::System.CodeDom.Compiler.GeneratedCode("CommunityToolkit.Mvvm.SourceGenerators.ObservablePropertyGenerator", "8.2.0.0")]
+    [global::System.Diagnostics.DebuggerNonUserCode]
+    [global::System.Diagnostics.CodeAnalysis.ExcludeFromCodeCoverage]
+    [global::System.ComponentModel.EditorBrowsable(global::System.ComponentModel.EditorBrowsableState.Never)]
+    [global::System.Obsolete("This type is not intended to be used directly by user code")]
+    internal static class __KnownINotifyPropertyChangedArgs
+    {
+        /// <summary>The cached <see cref="global::System.ComponentModel.PropertyChangedEventArgs"/> instance for all "IsEnabled" generated properties.</summary>
+        [global::System.ComponentModel.EditorBrowsable(global::System.ComponentModel.EditorBrowsableState.Never)]
+        [global::System.Obsolete("This field is not intended to be referenced directly by user code")]
+        public static readonly global::System.ComponentModel.PropertyChangedEventArgs IsEnabled = new global::System.ComponentModel.PropertyChangedEventArgs("IsEnabled");
+    }
+}

src/SourceGenerators/Uno.UI.SourceGenerators.Tests/XamlCodeGeneratorTests/Out/WBOP/ObservablePropertyGenerator___KnownINotifyPropertyChangingArgs.g.cs

@@ -0,0 +1,22 @@
+// <auto-generated/>
+#pragma warning disable
+#nullable enable
+namespace CommunityToolkit.Mvvm.ComponentModel.__Internals
+{
+    /// <summary>
+    /// A helper type providing cached, reusable <see cref="global::System.ComponentModel.PropertyChangingEventArgs"/> instances
+    /// for all properties generated with <see cref="global::CommunityToolkit.Mvvm.ComponentModel.ObservablePropertyAttribute"/>.
+    /// </summary>
+    [global::System.CodeDom.Compiler.GeneratedCode("CommunityToolkit.Mvvm.SourceGenerators.ObservablePropertyGenerator", "8.2.0.0")]
+    [global::System.Diagnostics.DebuggerNonUserCode]
+    [global::System.Diagnostics.CodeAnalysis.ExcludeFromCodeCoverage]
+    [global::System.ComponentModel.EditorBrowsable(global::System.ComponentModel.EditorBrowsableState.Never)]
+    [global::System.Obsolete("This type is not intended to be used directly by user code")]
+    internal static class __KnownINotifyPropertyChangingArgs
+    {
+        /// <summary>The cached <see cref="global::System.ComponentModel.PropertyChangingEventArgs"/> instance for all "IsEnabled" generated properties.</summary>
+        [global::System.ComponentModel.EditorBrowsable(global::System.ComponentModel.EditorBrowsableState.Never)]
+        [global::System.Obsolete("This field is not intended to be referenced directly by user code")]
+        public static readonly global::System.ComponentModel.PropertyChangingEventArgs IsEnabled = new global::System.ComponentModel.PropertyChangingEventArgs("IsEnabled");
+    }
+}

src/SourceGenerators/Uno.UI.SourceGenerators.Tests/XamlCodeGeneratorTests/Out/WBOP/XamlCodeGenerator_GlobalStaticResources.cs

@@ -0,0 +1,55 @@
+// <autogenerated />
+namespace MyProject
+{
+	/// <summary>
+	/// Contains all the static resources defined for the application
+	/// </summary>
+	public sealed partial class GlobalStaticResources
+	{
+		static bool _initialized;
+		private static bool _stylesRegistered;
+		private static bool _dictionariesRegistered;
+		internal static global::Uno.UI.Xaml.XamlParseContext __ParseContext_ { get; } = new global::Uno.UI.Xaml.XamlParseContext()
+		{
+			AssemblyName = "TestProject",
+		}
+		;
+
+		static GlobalStaticResources()
+		{
+			Initialize();
+		}
+		public static void Initialize()
+		{
+			if (!_initialized)
+			{
+				_initialized = true;
+				global::Uno.UI.GlobalStaticResources.Initialize();
+				global::Uno.UI.GlobalStaticResources.RegisterDefaultStyles();
+				global::Uno.UI.GlobalStaticResources.RegisterResourceDictionariesBySource();
+			}
+		}
+		public static void RegisterDefaultStyles()
+		{
+			if(!_stylesRegistered)
+			{
+				_stylesRegistered = true;
+				RegisterDefaultStyles_MainPage_d6cd66944958ced0c513e0a04797b51d();
+			}
+		}
+		// Register ResourceDictionaries using ms-appx:/// syntax, this is called for external resources
+		public static void RegisterResourceDictionariesBySource()
+		{
+			if(!_dictionariesRegistered)
+			{
+				_dictionariesRegistered = true;
+			}
+		}
+		// Register ResourceDictionaries using ms-resource:/// syntax, this is called for local resources
+		internal static void RegisterResourceDictionariesBySourceLocal()
+		{
+		}
+		static partial void RegisterDefaultStyles_MainPage_d6cd66944958ced0c513e0a04797b51d();
+
+	}
+}

src/SourceGenerators/Uno.UI.SourceGenerators.Tests/XamlCodeGeneratorTests/Out/WBOP/XamlCodeGenerator_LocalizationResources.cs

@@ -0,0 +1,2 @@
+// <auto-generated />
+[assembly: global::System.Reflection.AssemblyMetadata("UnoHasLocalizationResources", "False")]