Wino.Server and Wino.Packaging projects. Enabling full trust for UWP and app service connection manager basics.

Wino.Mail/Activation/BackgroundActivationHandlerEx.cs

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+using System.Threading.Tasks;
+using Windows.ApplicationModel;
+using Windows.ApplicationModel.Activation;
+using Windows.ApplicationModel.AppService;
+using Wino.Core.Domain.Interfaces;
+
+namespace Wino.Activation
+{
+    internal class BackgroundActivationHandlerEx : ActivationHandler<BackgroundActivatedEventArgs>
+    {
+        private readonly IWinoServerConnectionManager<AppServiceConnection> _winoServerConnectionManager;
+
+        public BackgroundActivationHandlerEx(IWinoServerConnectionManager<AppServiceConnection> winoServerConnectionManager)
+        {
+            _winoServerConnectionManager = winoServerConnectionManager;
+        }
+
+        protected override Task HandleInternalAsync(BackgroundActivatedEventArgs args)
+        {
+            if (args.TaskInstance == null || args.TaskInstance.TriggerDetails == null) return Task.CompletedTask;
+
+            if (args.TaskInstance.TriggerDetails is AppServiceTriggerDetails appServiceTriggerDetails)
+            {
+                // only accept connections from callers in the same package
+                if (appServiceTriggerDetails.CallerPackageFamilyName == Package.Current.Id.FamilyName)
+                {
+                    // Connection established from the fulltrust process
+                    _winoServerConnectionManager.Connection = appServiceTriggerDetails.AppServiceConnection;
+
+                    var deferral = args.TaskInstance.GetDeferral();
+
+                    args.TaskInstance.Canceled += App.Current.OnBackgroundTaskCanceled;
+
+                    // AppServiceConnected?.Invoke(this, args.TaskInstance.TriggerDetails as AppServiceTriggerDetails);
+                }
+            }
+
+            return Task.CompletedTask;
+        }
+    }
+}