using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Reflection;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
namespace UWPHook
{
///
/// Functions to manage UWP apps
///
static class AppManager
{
private static int id;
///
/// Launch a UWP App using a ApplicationActivationManager and sets a internal id to launched proccess id
///
/// The AUMID of the app to launch
public static void LaunchUWPApp(string[] args)
{
string aumid = args[1]; // We receive the args from Steam,
// 0 is application location,
// 1 is the aumid, the rest are extras
var mgr = new ApplicationActivationManager();
uint processId;
string extra_args = String.Join(" ", args.Skip(2)
.Take(args.Length - 2)
.Select(eachElement => eachElement.Clone()
).ToArray());
try
{
mgr.ActivateApplication(aumid, extra_args, ActivateOptions.None, out processId);
//Bring the launched app to the foreground, this fixes in-home streaming
id = (int)processId;
BringProcess();
}
catch (Exception e)
{
throw new Exception("Error while trying to launch your app." + Environment.NewLine + e.Message);
}
}
///
/// Checks if the launched app is running
///
/// True if the perviously launched app is running, false otherwise
public static Boolean IsRunning()
{
//If 0, no app was launched most probably
if (id == 0)
{
return false;
}
try
{
Process.GetProcessById(id);
}
catch (Exception)
{
return false;
}
return true;
}
///
/// Gets a list of installed UWP Apps on the system, containing each app name + AUMID, separated by '|'
///
/// List of installed UWP Apps
public static List GetInstalledApps()
{
List result = null;
var assembly = Assembly.GetExecutingAssembly();
//Load the powershell script to get installed apps
var resourceName = "UWPHook.Resources.GetAUMIDScript.ps1";
try
{
using (Stream stream = assembly.GetManifestResourceStream(resourceName))
{
using (StreamReader reader = new StreamReader(stream))
{
//Every entry is listed separated by ;
result = ScriptManager.RunScript(reader.ReadToEnd()).Split(';').ToList();
}
}
}
catch (Exception e)
{
throw new Exception("Error trying to get installed apps on your PC " + Environment.NewLine + e.Message, e.InnerException);
}
return result;
}
///
/// Try to convert an aumid into a human-readable app name
///
/// Application user model ID (aumid)
/// User-friendly app name
/// Whether this is a known app
public static bool IsKnownApp(string appName, out string readableName)
{
string appsJson = File.ReadAllText(@"Resources\KnownApps.json");
var apps = Newtonsoft.Json.JsonConvert.DeserializeObject>(appsJson);
foreach (var kvp in apps)
{
if (appName.StartsWith(kvp.Key + "_"))
{
readableName = kvp.Value;
return true;
}
}
readableName = null;
return false;
}
[DllImport("user32.dll")]
private static extern
bool SetForegroundWindow(IntPtr hWnd);
[DllImport("user32.dll")]
private static extern
bool ShowWindowAsync(IntPtr hWnd, int nCmdShow);
[DllImport("user32.dll")]
private static extern
bool IsIconic(IntPtr hWnd);
public static void BringProcess()
{
/*
const int SW_HIDE = 0;
const int SW_SHOWNORMAL = 1;
const int SW_SHOWMINIMIZED = 2;
const int SW_SHOWMAXIMIZED = 3;
const int SW_SHOWNOACTIVATE = 4;
const int SW_RESTORE = 9;
const int SW_SHOWDEFAULT = 10;
*/
var me = Process.GetCurrentProcess();
var arrProcesses = Process.GetProcessById(id);
// get the window handle
IntPtr hWnd = arrProcesses.MainWindowHandle;
// if iconic, we need to restore the window
if (IsIconic(hWnd))
{
ShowWindowAsync(hWnd, 3);
}
// bring it to the foreground
SetForegroundWindow(hWnd);
}
}
public enum ActivateOptions
{
None = 0x00000000, // No flags set
DesignMode = 0x00000001, // The application is being activated for design mode, and thus will not be able to
// to create an immersive window. Window creation must be done by design tools which
// load the necessary components by communicating with a designer-specified service on
// the site chain established on the activation manager. The splash screen normally
// shown when an application is activated will also not appear. Most activations
// will not use this flag.
NoErrorUI = 0x00000002, // Do not show an error dialog if the app fails to activate.
NoSplashScreen = 0x00000004, // Do not show the splash screen when activating the app.
}
[ComImport, Guid("2e941141-7f97-4756-ba1d-9decde894a3d"), InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
interface IApplicationActivationManager
{
// Activates the specified immersive application for the "Launch" contract, passing the provided arguments
// string into the application. Callers can obtain the process Id of the application instance fulfilling this contract.
IntPtr ActivateApplication([In] String appUserModelId, [In] String arguments, [In] ActivateOptions options, [Out] out UInt32 processId);
IntPtr ActivateForFile([In] String appUserModelId, [In] [MarshalAs(UnmanagedType.Interface, IidParameterIndex = 2)] /*IShellItemArray* */ IShellItemArray itemArray, [In] String verb, [Out] out UInt32 processId);
IntPtr ActivateForProtocol([In] String appUserModelId, [In] IntPtr /* IShellItemArray* */itemArray, [Out] out UInt32 processId);
}
[ComImport, Guid("45BA127D-10A8-46EA-8AB7-56EA9078943C")]//Application Activation Manager
class ApplicationActivationManager : IApplicationActivationManager
{
[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)/*, PreserveSig*/]
public extern IntPtr ActivateApplication([In] String appUserModelId, [In] String arguments, [In] ActivateOptions options, [Out] out UInt32 processId);
[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
public extern IntPtr ActivateForFile([In] String appUserModelId, [In] [MarshalAs(UnmanagedType.Interface, IidParameterIndex = 2)] /*IShellItemArray* */ IShellItemArray itemArray, [In] String verb, [Out] out UInt32 processId);
[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
public extern IntPtr ActivateForProtocol([In] String appUserModelId, [In] IntPtr /* IShellItemArray* */itemArray, [Out] out UInt32 processId);
}
[ComImport]
[InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
[Guid("43826d1e-e718-42ee-bc55-a1e261c37bfe")]
interface IShellItem
{
}
[ComImport]
[InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
[Guid("b63ea76d-1f85-456f-a19c-48159efa858b")]
interface IShellItemArray
{
}
}