Create IGesturePlatformManager interface with service registration support

Co-authored-by: PureWeen <5375137+PureWeen@users.noreply.github.com>

Author: Copilot

src/Controls/src/Core/Platform/GestureManager/GestureManager.cs

@@ -5,6 +5,7 @@
 using System.Collections.ObjectModel;
 using System.Collections.Specialized;
 using System.ComponentModel;
+using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Maui.Controls.Internals;
 using Microsoft.Maui.Graphics;
 
@@ -19,7 +20,7 @@ internal class GestureManager
 		bool _didHaveWindow;
 
 		public bool IsConnected => GesturePlatformManager != null;
-		public GesturePlatformManager? GesturePlatformManager { get; private set; }
+		public IGesturePlatformManager? GesturePlatformManager { get; private set; }
 
 		public GestureManager(IControlsView view)
 		{
@@ -76,7 +77,12 @@ void SetupGestureManager()
 			if (GesturePlatformManager != null)
 				return;
 
-			GesturePlatformManager = new GesturePlatformManager(handler);
+			// Try to get IGesturePlatformManager from services first, fallback to default implementation
+			var context = handler.MauiContext;
+			GesturePlatformManager =
+				context?.Services.GetService<IGesturePlatformManager>() ??
+				new GesturePlatformManager(handler);
+			
 			_handler = handler;
 			_containerView = handler.ContainerView;
 			_platformView = handler.PlatformView;

src/Controls/src/Core/Platform/GestureManager/GesturePlatformManager.Android.cs

@@ -14,7 +14,7 @@
 
 namespace Microsoft.Maui.Controls.Platform
 {
-	class GesturePlatformManager : IDisposable
+	class GesturePlatformManager : IGesturePlatformManager
 	{
 		IViewHandler? _handler;
 		Lazy<ScaleGestureDetector> _scaleDetector;

src/Controls/src/Core/Platform/GestureManager/GesturePlatformManager.Standard.cs

@@ -2,7 +2,7 @@
 
 namespace Microsoft.Maui.Controls.Platform
 {
-	class GesturePlatformManager : IDisposable
+	class GesturePlatformManager : IGesturePlatformManager
 	{
 		public GesturePlatformManager(IViewHandler handler)
 		{

src/Controls/src/Core/Platform/GestureManager/GesturePlatformManager.Tizen.cs

@@ -5,7 +5,7 @@
 
 namespace Microsoft.Maui.Controls.Platform
 {
-	class GesturePlatformManager : IDisposable
+	class GesturePlatformManager : IGesturePlatformManager
 	{
 		IViewHandler? _handler;
 		Lazy<GestureDetector> _gestureDetector;

src/Controls/src/Core/Platform/GestureManager/GesturePlatformManager.Windows.cs

@@ -15,7 +15,7 @@
 
 namespace Microsoft.Maui.Controls.Platform
 {
-	class GesturePlatformManager : IDisposable
+	class GesturePlatformManager : IGesturePlatformManager
 	{
 		readonly IPlatformViewHandler _handler;
 		readonly NotifyCollectionChangedEventHandler _collectionChangedHandler;

src/Controls/src/Core/Platform/GestureManager/GesturePlatformManager.iOS.cs

@@ -17,7 +17,7 @@
 
 namespace Microsoft.Maui.Controls.Platform
 {
-	class GesturePlatformManager : IDisposable
+	class GesturePlatformManager : IGesturePlatformManager
 	{
 		readonly NotifyCollectionChangedEventHandler _collectionChangedHandler;
 

src/Controls/src/Core/Platform/GestureManager/IGesturePlatformManager.cs

@@ -0,0 +1,13 @@
+using System;
+
+namespace Microsoft.Maui.Controls.Platform
+{
+	// TODO NET11: Make this interface public in .NET 11
+	/// <summary>
+	/// Interface for platform-specific gesture management.
+	/// Allows users to provide custom implementations to replace the default gesture handling behavior.
+	/// </summary>
+	internal interface IGesturePlatformManager : IDisposable
+	{
+	}
+}

src/Controls/tests/Core.UnitTests/Gestures/GestureManagerTests.cs

@@ -1,4 +1,5 @@
 using System;
+using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Maui.Controls.Platform;
 using NSubstitute;
 using Xunit;
@@ -108,5 +109,45 @@ public void PlatformManagerChangesWhenContainerViewChanged()
 
 			Assert.NotEqual(gestureManager.GesturePlatformManager, platformManagerForHandler1);
 		}
+
+		[Fact]
+		public void UsesDefaultGesturePlatformManagerWhenNoServiceRegistered()
+		{
+			var handler = Substitute.For<IViewHandler>();
+			var view = Substitute.For<IControlsView>();
+			var mauiContext = Substitute.For<IMauiContext>();
+			var services = new ServiceCollection().BuildServiceProvider();
+
+			mauiContext.Services.Returns(services);
+			handler.MauiContext.Returns(mauiContext);
+			view.Handler.Returns(handler);
+
+			GestureManager gestureManager = new GestureManager(view);
+
+			Assert.NotNull(gestureManager.GesturePlatformManager);
+			Assert.IsType<GesturePlatformManager>(gestureManager.GesturePlatformManager);
+		}
+
+		[Fact]
+		public void UsesCustomGesturePlatformManagerWhenServiceRegistered()
+		{
+			var handler = Substitute.For<IViewHandler>();
+			var view = Substitute.For<IControlsView>();
+			var mauiContext = Substitute.For<IMauiContext>();
+			var customManager = Substitute.For<IGesturePlatformManager>();
+
+			var services = new ServiceCollection()
+				.AddSingleton(customManager)
+				.BuildServiceProvider();
+
+			mauiContext.Services.Returns(services);
+			handler.MauiContext.Returns(mauiContext);
+			view.Handler.Returns(handler);
+
+			GestureManager gestureManager = new GestureManager(view);
+
+			Assert.NotNull(gestureManager.GesturePlatformManager);
+			Assert.Equal(customManager, gestureManager.GesturePlatformManager);
+		}
 	}
 }