refactor: move lockscreen.ps1 to module

src/playbook/Configuration/tweaks/qol/appearance/atlas-theme.yml

@@ -35,7 +35,9 @@ actions:
     exeDir: true
     wait: true
   - !powerShell:
-    command: '& ".\AtlasModules\Scripts\LOCKSCREEN.ps1"'
+    command: |
+      .\AtlasModules\initPowerShell.ps1
+      Set-LockscreenImage
     exeDir: true
     wait: true
     runas: currentUserElevated

src/playbook/Executables/AtlasModules/Scripts/Modules/Themes/Themes.psm1

@@ -93,4 +93,50 @@ function Set-ThemeMRU {
     }
 }
 
-Export-ModuleMember -Function Set-Theme, Set-ThemeMRU
+# Credit: https://superuser.com/a/1343640
+function Set-LockscreenImage {
+    param (
+        [ValidateNotNullOrEmpty()]
+        [string]$Path = "$([Environment]::GetFolderPath('Windows'))\AtlasModules\Wallpapers\lockscreen.png"
+    )
+
+    if (!(Test-Path $Path)) {
+        throw "Path ('$Path') for lockscreen not found."
+    }
+    $newImagePath = [System.IO.Path]::GetTempPath() + (New-Guid).Guid + [System.IO.Path]::GetExtension($Path)
+    Copy-Item $Path $newImagePath
+
+    # setup WinRT namespaces
+    Add-Type -AssemblyName System.Runtime.WindowsRuntime
+    [Windows.System.UserProfile.LockScreen, Windows.System.UserProfile, ContentType = WindowsRuntime] | Out-Null
+
+    # setup async
+    $asTaskGeneric = ([System.WindowsRuntimeSystemExtensions].GetMethods() | ? {
+        $_.Name -eq 'AsTask' -and
+        $_.GetParameters().Count -eq 1 -and
+        $_.GetParameters()[0].ParameterType.Name -eq 'IAsyncOperation`1'
+    })[0]
+    Function Await($WinRtTask, $ResultType) {
+        $asTask = $asTaskGeneric.MakeGenericMethod($ResultType)
+        $netTask = $asTask.Invoke($null, @($WinRtTask))
+        $netTask.Wait(-1) | Out-Null
+        $netTask.Result
+    }
+    Function AwaitAction($WinRtAction) {
+        $asTask = ([System.WindowsRuntimeSystemExtensions].GetMethods() | ? { $_.Name -eq 'AsTask' -and $_.GetParameters().Count -eq 1 -and !$_.IsGenericMethod })[0]
+        $netTask = $asTask.Invoke($null, @($WinRtAction))
+        $netTask.Wait(-1) | Out-Null
+    }
+
+    # make image object
+    [Windows.Storage.StorageFile, Windows.Storage, ContentType = WindowsRuntime] | Out-Null
+    $image = Await ([Windows.Storage.StorageFile]::GetFileFromPathAsync($newImagePath)) ([Windows.Storage.StorageFile])
+
+    # execute
+    AwaitAction ([Windows.System.UserProfile.LockScreen]::SetImageFileAsync($image))
+
+    # cleanup
+    Remove-Item $newImagePath
+}
+
+Export-ModuleMember -Function Set-Theme, Set-ThemeMRU, Set-LockscreenImage

src/playbook/Executables/AtlasModules/Scripts/newUsers.ps1

@@ -26,7 +26,7 @@ if ([System.Environment]::OSVersion.Version.Build -ge 22000) {
 }
 
 # Set lockscreen wallpaper
-& "$atlasModules\Scripts\lockscreen.ps1"
+Set-LockscreenImage
 
 # Disable 'Network' in navigation pane
 reg import "$atlasDesktop\3. General Configuration\File Sharing\Network Navigation Pane\Disable Network Navigation Pane (default).reg" *>$null