Initial commit.

Wino.Mail/Activation/ProtocolActivationHandler.cs

@@ -0,0 +1,56 @@
+using System.Threading.Tasks;
+using System.Web;
+using CommunityToolkit.Mvvm.Messaging;
+using Windows.ApplicationModel.Activation;
+using Wino.Core.Domain.Interfaces;
+using Wino.Core.Messages.Authorization;
+using Wino.Core.Messages.Shell;
+
+namespace Wino.Activation
+{
+    internal class ProtocolActivationHandler : ActivationHandler<ProtocolActivatedEventArgs>
+    {
+        private const string GoogleAuthorizationProtocolTag = "google.pw.oauth2";
+        private const string MailtoProtocolTag = "mailto:";
+
+        private readonly INativeAppService _nativeAppService;
+        private readonly ILaunchProtocolService _launchProtocolService;
+
+        public ProtocolActivationHandler(INativeAppService nativeAppService, ILaunchProtocolService launchProtocolService)
+        {
+            _nativeAppService = nativeAppService;
+            _launchProtocolService = launchProtocolService;
+        }
+
+        protected override Task HandleInternalAsync(ProtocolActivatedEventArgs args)
+        {
+            // Check URI prefix.
+
+            var protocolString = args.Uri.AbsoluteUri;
+
+            // Google OAuth Response
+            if (protocolString.StartsWith(GoogleAuthorizationProtocolTag))
+            {
+                // App must be working already. No need to check for running state.
+                WeakReferenceMessenger.Default.Send(new ProtocolAuthorizationCallbackReceived(args.Uri));
+            }
+            else if (protocolString.StartsWith(MailtoProtocolTag))
+            {
+                // mailto activation. Try to parse params.
+
+                var replaced = protocolString.Replace(MailtoProtocolTag, "mailto=");
+                replaced = Wino.Core.Extensions.StringExtensions.ReplaceFirst(replaced, "?", "&");
+
+                _launchProtocolService.MailtoParameters = HttpUtility.ParseQueryString(replaced);
+
+                if (_nativeAppService.IsAppRunning())
+                {
+                    // Just send publish a message. Shell will continue.
+                    WeakReferenceMessenger.Default.Send(new MailtoProtocolMessageRequested());
+                }
+            }
+
+            return Task.CompletedTask;
+        }
+    }
+}