feat(ConnectionProfile): [WPF] Adds support for ConnectionProfile.Get…

…NetworkConnectivityLevel()

src/Uno.UI.Runtime.Skia.Wpf/Extensions/Networking/Connectivity/ConnectionProfileExtension.cs

@@ -0,0 +1,25 @@
+using System;
+using System.Runtime.InteropServices;
+using Windows.Networking.Connectivity;
+
+namespace Uno.Extensions.Networking.Connectivity
+{
+	internal class ConnectionProfileExtension : IConnectionProfileExtension
+	{
+		private readonly object _connectionProfile;
+		public ConnectionProfileExtension(object owner)
+		{
+			if (!(owner is ConnectionProfile connectionProfile))
+				throw new InvalidOperationException($"Owner of {nameof(ConnectionProfileExtension)} must be a {nameof(ConnectionProfile)}.");
+
+			_connectionProfile = connectionProfile;
+		}
+
+		[DllImport("wininet.dll")]
+		extern static bool InternetGetConnectedState(out int connectionDescription, int reservedValue);
+
+		public NetworkConnectivityLevel GetNetworkConnectivityLevel() =>
+			InternetGetConnectedState(out _, 0) ?
+				NetworkConnectivityLevel.InternetAccess : NetworkConnectivityLevel.None;
+	}
+}

src/Uno.UI.Runtime.Skia.Wpf/WpfHost.cs

@@ -19,12 +19,14 @@
 using Uno.UI.Xaml.Core;
 using Windows.Graphics.Display;
 using Windows.System;
+using Windows.Networking.Connectivity;
 using Windows.UI.Xaml.Controls;
 using Windows.UI.Xaml.Input;
 using WinUI = Windows.UI.Xaml;
 using Uno.UI.Xaml.Controls.Extensions;
 using Uno.UI.Runtime.Skia.WPF.Extensions.UI.Xaml.Controls;
 using Uno.Extensions.System;
+using Uno.Extensions.Networking.Connectivity;
 using WpfApplication = System.Windows.Application;
 using WpfCanvas = System.Windows.Controls.Canvas;
 using WpfControl = System.Windows.Controls.Control;
@@ -58,6 +60,7 @@ static WpfHost()
 			ApiExtensibility.Register(typeof(Windows.ApplicationModel.DataTransfer.DragDrop.Core.IDragDropExtension), o => new WpfDragDropExtension(o));
 			ApiExtensibility.Register(typeof(IFileOpenPickerExtension), o => new FileOpenPickerExtension(o));
 			ApiExtensibility.Register(typeof(IFileSavePickerExtension), o => new FileSavePickerExtension(o));
+			ApiExtensibility.Register(typeof(IConnectionProfileExtension), o => new ConnectionProfileExtension(o));
 			ApiExtensibility.Register<TextBoxView>(typeof(ITextBoxViewExtension), o => new TextBoxViewExtension(o));
 			ApiExtensibility.Register(typeof(ILauncherExtension), o => new LauncherExtension(o));
 		}

src/Uno.UWP/Networking/Connectivity/ConnectionProfile.skia.cs

@@ -1,17 +1,18 @@
-namespace Windows.Networking.Connectivity
+using Uno.Foundation.Extensibility;
+
+namespace Windows.Networking.Connectivity
 {
 	public partial class ConnectionProfile
     {
+		private IConnectionProfileExtension _connectionProfileExtension;
+
 		internal static ConnectionProfile GetInternetConnectionProfile() =>
 			new ConnectionProfile();
 
-		private ConnectionProfile()
-		{
-		}
+		private ConnectionProfile() =>
+			ApiExtensibility.CreateInstance(this, out _connectionProfileExtension);
 
-		private NetworkConnectivityLevel GetNetworkConnectivityLevelImpl()
-		{
-			return NetworkConnectivityLevel.None;
-		}
+		private NetworkConnectivityLevel GetNetworkConnectivityLevelImpl() =>
+			_connectionProfileExtension?.GetNetworkConnectivityLevel() ?? NetworkConnectivityLevel.None;
 	}
 }

src/Uno.UWP/Networking/Connectivity/Internal/IConnectionProfileExtension.skia.cs

@@ -0,0 +1,7 @@
+namespace Windows.Networking.Connectivity
+{
+	internal interface IConnectionProfileExtension
+	{
+		NetworkConnectivityLevel GetNetworkConnectivityLevel();
+	}
+}