From e0e3918c24f9595dd581ec8963d614c0c6dcf2a0 Mon Sep 17 00:00:00 2001
From: Spike Curtis <spike@coder.com>
Date: Tue, 22 Apr 2025 09:16:41 +0400
Subject: [PATCH] feat: add support for URI activations for coder scheme

---
 App/App.xaml.cs          | 25 ++++++++++++++++++-
 App/Package.appxmanifest | 52 ----------------------------------------
 App/Program.cs           | 29 +++++++++++++++++-----
 3 files changed, 47 insertions(+), 59 deletions(-)
 delete mode 100644 App/Package.appxmanifest

diff --git a/App/App.xaml.cs b/App/App.xaml.cs
index 4a35a0f..44f59b6 100644
--- a/App/App.xaml.cs
+++ b/App/App.xaml.cs
@@ -1,5 +1,6 @@
 using System;
 using System.Diagnostics;
+using System.IO;
 using System.Threading;
 using System.Threading.Tasks;
 using Coder.Desktop.App.Models;
@@ -13,6 +14,8 @@
 using Microsoft.Extensions.Hosting;
 using Microsoft.UI.Xaml;
 using Microsoft.Win32;
+using Microsoft.Windows.AppLifecycle;
+using Windows.ApplicationModel.Activation;
 
 namespace Coder.Desktop.App;
 
@@ -82,7 +85,7 @@ public async Task ExitApplication()
         Environment.Exit(0);
     }
 
-    protected override void OnLaunched(LaunchActivatedEventArgs args)
+    protected override void OnLaunched(Microsoft.UI.Xaml.LaunchActivatedEventArgs args)
     {
         // Start connecting to the manager in the background.
         var rpcController = _services.GetRequiredService<IRpcController>();
@@ -138,4 +141,24 @@ protected override void OnLaunched(LaunchActivatedEventArgs args)
             trayWindow.AppWindow.Hide();
         };
     }
+
+    public void OnActivated(object? sender, AppActivationArguments args)
+    {
+        switch (args.Kind)
+        {
+            case ExtendedActivationKind.Protocol:
+                var protoArgs = args.Data as IProtocolActivatedEventArgs;
+                HandleURIActivation(protoArgs.Uri);
+                break;
+
+            default:
+                // TODO: log
+                break;
+        }
+    }
+
+    public void HandleURIActivation(Uri uri)
+    {
+        // TODO: handle
+    }
 }
diff --git a/App/Package.appxmanifest b/App/Package.appxmanifest
deleted file mode 100644
index e3ad480..0000000
--- a/App/Package.appxmanifest
+++ /dev/null
@@ -1,52 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-
-<Package
-    xmlns:mp="http://schemas.microsoft.com/appx/2014/phone/manifest"
-    xmlns:uap="http://schemas.microsoft.com/appx/manifest/uap/windows10"
-    xmlns:rescap="http://schemas.microsoft.com/appx/manifest/foundation/windows10/restrictedcapabilities"
-    xmlns="http://schemas.microsoft.com/appx/manifest/foundation/windows10"
-    IgnorableNamespaces="uap rescap">
-
-    <Identity
-        Name="925b49fc-4648-4967-b4e6-b5473061ee62"
-        Publisher="CN=Coder Technologies Inc."
-        Version="1.0.0.0" />
-
-    <mp:PhoneIdentity PhoneProductId="925b49fc-4648-4967-b4e6-b5473061ee62"
-                      PhonePublisherId="00000000-0000-0000-0000-000000000000" />
-
-    <Properties>
-        <DisplayName>Coder Desktop (Package)</DisplayName>
-        <PublisherDisplayName>Coder Technologies Inc.</PublisherDisplayName>
-        <Logo>Images\StoreLogo.png</Logo>
-    </Properties>
-
-    <Dependencies>
-        <TargetDeviceFamily Name="Windows.Universal" MinVersion="10.0.17763.0" MaxVersionTested="10.0.19041.0" />
-        <TargetDeviceFamily Name="Windows.Desktop" MinVersion="10.0.17763.0" MaxVersionTested="10.0.19041.0" />
-    </Dependencies>
-
-    <Resources>
-        <Resource Language="x-generate" />
-    </Resources>
-
-    <Applications>
-        <Application Id="App"
-                     Executable="$targetnametoken$.exe"
-                     EntryPoint="$targetentrypoint$">
-            <uap:VisualElements
-                DisplayName="Coder Desktop"
-                Description="Coder"
-                BackgroundColor="transparent"
-                Square150x150Logo="Images\Square150x150Logo.png"
-                Square44x44Logo="Images\Square44x44Logo.png">
-                <uap:DefaultTile Wide310x150Logo="Images\Wide310x150Logo.png" />
-                <uap:SplashScreen Image="Images\SplashScreen.png" />
-            </uap:VisualElements>
-        </Application>
-    </Applications>
-
-    <Capabilities>
-        <rescap:Capability Name="runFullTrust" />
-    </Capabilities>
-</Package>
diff --git a/App/Program.cs b/App/Program.cs
index 2918caa..2ad863d 100644
--- a/App/Program.cs
+++ b/App/Program.cs
@@ -1,4 +1,5 @@
 using System;
+using System.Reflection;
 using System.Runtime.InteropServices;
 using System.Threading;
 using Microsoft.UI.Dispatching;
@@ -26,7 +27,23 @@ private static void Main(string[] args)
         try
         {
             ComWrappersSupport.InitializeComWrappers();
-            if (!CheckSingleInstance()) return;
+            AppInstance mainInstance = GetMainInstance();
+            if (!mainInstance.IsCurrent)
+            {
+                var activationArgs = AppInstance.GetCurrent().GetActivatedEventArgs();
+                mainInstance.RedirectActivationToAsync(activationArgs).AsTask().Wait();
+                return;
+            }
+
+            // Register for URI handling (known as "protocol activation")
+#if DEBUG
+            const string scheme = "coder-debug";
+#else
+            const string scheme = "coder";
+#endif
+            var thisBin = Assembly.GetExecutingAssembly().Location;
+            ActivationRegistrationManager.RegisterForProtocolActivation(scheme, thisBin + ",1", "Coder Desktop", "");
+
             Application.Start(p =>
             {
                 var context = new DispatcherQueueSynchronizationContext(DispatcherQueue.GetForCurrentThread());
@@ -38,6 +55,9 @@ private static void Main(string[] args)
                     e.Handled = true;
                     ShowExceptionAndCrash(e.Exception);
                 };
+
+                // redirections via RedirectActivationToAsync above get routed to the App
+                mainInstance.Activated += app.OnActivated;
             });
         }
         catch (Exception e)
@@ -46,8 +66,7 @@ private static void Main(string[] args)
         }
     }
 
-    [STAThread]
-    private static bool CheckSingleInstance()
+    private static AppInstance GetMainInstance()
     {
 #if !DEBUG
         const string appInstanceName = "Coder.Desktop.App";
@@ -55,11 +74,9 @@ private static bool CheckSingleInstance()
         const string appInstanceName = "Coder.Desktop.App.Debug";
 #endif
 
-        var instance = AppInstance.FindOrRegisterForKey(appInstanceName);
-        return instance.IsCurrent;
+        return AppInstance.FindOrRegisterForKey(appInstanceName);
     }
 
-    [STAThread]
     private static void ShowExceptionAndCrash(Exception e)
     {
         const string title = "Coder Desktop Fatal Error";