Changes needed to install msix for all users, provided by ddomingos-encora on github

Author: GurliGebis

Installer.cpp

@@ -179,14 +179,21 @@ void ResetAclPermissionsOnContextMenuFolder()
     aclHelper.ResetAcl(contextMenuPath);
 }
 
-Package GetSparsePackage()
+Package GetSparsePackage(bool allUsers)
 {
     PackageManager packageManager;
     IIterable<Package> packages;
 
     try
     {
-        packages = packageManager.FindPackagesForUser(L"");
+        if (allUsers)
+        {
+            packages = packageManager.FindPackages();
+        }
+        else
+        {
+            packages = packageManager.FindPackagesForUser(L"");
+        }
     }
     catch (winrt::hresult_error)
     {
@@ -206,7 +213,52 @@ Package GetSparsePackage()
     return NULL;
 }
 
-HRESULT NppShell::Installer::RegisterSparsePackage()
+HRESULT NppShell::Installer::RegisterSparsePackageAllUsers()
+{
+    if (::GetSystemMetrics(SM_CLEANBOOT) > 0)
+    {
+        return S_FALSE; // Otherwise we will get an unhandled exception later due to HRESULT 0x8007043c (ERROR_NOT_SAFEBOOT_SERVICE).
+    }
+
+    PackageManager packageManager;
+    StagePackageOptions options;
+
+    const wstring externalLocation = GetContextMenuPath();
+    const wstring sparsePkgPath = externalLocation + L"\\NppShell.msix";
+
+    Uri externalUri(externalLocation);
+    Uri packageUri(sparsePkgPath);
+
+    options.ExternalLocationUri(externalUri);
+
+    auto deploymentOperation = packageManager.StagePackageByUriAsync(packageUri, options);
+    auto deployResult = deploymentOperation.get();
+
+    if (!SUCCEEDED(deployResult.ExtendedErrorCode()))
+    {
+        return deployResult.ExtendedErrorCode();
+    }
+
+    Package package = GetSparsePackage(true);
+    if (package == NULL)
+    {
+        return S_FALSE;
+    }
+
+    winrt::hstring familyName = package.Id().FamilyName();
+
+    deploymentOperation = packageManager.ProvisionPackageForAllUsersAsync(familyName);
+    deployResult = deploymentOperation.get();
+
+    if (!SUCCEEDED(deployResult.ExtendedErrorCode()))
+    {
+        return deployResult.ExtendedErrorCode();
+    }
+
+    return S_OK;
+}
+
+HRESULT NppShell::Installer::RegisterSparsePackageCurrentUser()
 {
     if (::GetSystemMetrics(SM_CLEANBOOT) > 0)
     {
@@ -245,15 +297,15 @@ HRESULT NppShell::Installer::UnregisterSparsePackage()
     PackageManager packageManager;
     IIterable<Package> packages;
 
-    Package package = GetSparsePackage();
+    Package package = GetSparsePackage(true);
 
     if (package == NULL)
     {
         return S_FALSE;
     }
 
     winrt::hstring fullName = package.Id().FullName();
-    auto deploymentOperation = packageManager.RemovePackageAsync(fullName, RemovalOptions::None);
+    auto deploymentOperation = packageManager.RemovePackageAsync(fullName, RemovalOptions::RemoveForAllUsers);
     auto deployResult = deploymentOperation.get();
 
     if (!SUCCEEDED(deployResult.ExtendedErrorCode()))
@@ -312,7 +364,8 @@ void ReRegisterSparsePackage()
     UnregisterSparsePackage();
 
     // And then we register it again.
-    RegisterSparsePackage();
+    RegisterSparsePackageAllUsers();
+    RegisterSparsePackageCurrentUser();
 }
 
 HRESULT NppShell::Installer::Install()
@@ -393,13 +446,13 @@ void EnsureRegistrationOnCurrentUserWorker()
     winrt::init_apartment();
 
     // Get the package to check if it is already installed for the current user.
-    Package existingPackage = GetSparsePackage();
+    Package existingPackage = GetSparsePackage(false);
 
     if (existingPackage == NULL)
     {
         // The package is not installed for the current user - but we know that Notepad++ is.
         // If it wasn't, this code wouldn't be running, so it is safe to just register the package.
-        RegisterSparsePackage();
+        RegisterSparsePackageCurrentUser();
 
         // Finally we notify the shell that we have made changes, so it reloads the right click menu items.
         SHChangeNotify(SHCNE_ASSOCCHANGED, SHCNF_IDLIST, 0, 0);

Installer.h

@@ -6,7 +6,8 @@ namespace NppShell::Installer
     HRESULT RegisterOldContextMenu();
     HRESULT UnregisterOldContextMenu();
 
-    HRESULT RegisterSparsePackage();
+    HRESULT RegisterSparsePackageAllUsers();
+    HRESULT RegisterSparsePackageCurrentUser();
     HRESULT UnregisterSparsePackage();
 
     HRESULT Install();