disable autorun and update check when running as an UWP

QuickLook/App.xaml.cs

@@ -31,6 +31,7 @@ namespace QuickLook
     /// </summary>
     public partial class App : Application
     {
+        public static readonly bool IsUWP = ProcessHelper.IsRunningAsUWP();
         public static readonly bool Is64Bit = Environment.Is64BitProcess;
         public static readonly string AppFullPath = Assembly.GetExecutingAssembly().Location;
         public static readonly string AppPath = Path.GetDirectoryName(AppFullPath);
@@ -82,7 +83,7 @@ namespace QuickLook
         private void RunListener(StartupEventArgs e)
         {
             TrayIconManager.GetInstance();
-            if (!e.Args.Contains("/autorun"))
+            if (!e.Args.Contains("/autorun") && !IsUWP)
                 TrayIconManager.GetInstance().ShowNotification("", "QuickLook is running in the background.");
             if (e.Args.Contains("/first"))
                 AutoStartupHelper.CreateAutorunShortcut();
@@ -93,7 +94,7 @@ namespace QuickLook
             BackgroundListener.GetInstance();
             PipeServerManager.GetInstance().MessageReceived +=
                 (msg, ea) => Dispatcher.BeginInvoke(
-                    new Action(() => ViewWindowManager.GetInstance().InvokeViewer(msg as string, closeIfSame: true)),
+                    new Action(() => ViewWindowManager.GetInstance().InvokeViewer(msg as string, true)),
                     DispatcherPriority.ApplicationIdle);
         }
 

QuickLook/Helpers/AutoStartupHelper.cs

@@ -29,6 +29,9 @@ namespace QuickLook.Helpers
 
         internal static void CreateAutorunShortcut()
         {
+            if (App.IsUWP)
+                return;
+
             try
             {
                 File.Create(_startupFullPath).Close();
@@ -53,11 +56,17 @@ namespace QuickLook.Helpers
 
         internal static void RemoveAutorunShortcut()
         {
+            if (App.IsUWP)
+                return;
+
             File.Delete(_startupFullPath);
         }
 
         internal static bool IsAutorun()
         {
+            if (App.IsUWP)
+                return true;
+
             return File.Exists(_startupFullPath);
         }
     }

QuickLook/Helpers/ProcessHelper.cs

@@ -17,16 +17,34 @@
 
 using System;
 using System.Threading.Tasks;
+using QuickLook.NativeMethods;
 
 namespace QuickLook.Helpers
 {
     internal class ProcessHelper
     {
+        private const int ErrorInsufficientBuffer = 0x7A;
+
         // ReSharper disable once InconsistentNaming
         public static void PerformAggressiveGC()
         {
             // delay some time to make sure that all windows are closed
             Task.Delay(1000).ContinueWith(t => GC.Collect(GC.MaxGeneration));
         }
+
+        public static bool IsRunningAsUWP()
+        {
+            try
+            {
+                uint len = 0;
+                var r = Kernel32.GetCurrentPackageFullName(ref len, null);
+
+                return r == ErrorInsufficientBuffer;
+            }
+            catch (EntryPointNotFoundException)
+            {
+                return false;
+            }
+        }
     }
 }

QuickLook/Helpers/Updater.cs

@@ -31,6 +31,9 @@ namespace QuickLook.Helpers
     {
         public static void CheckForUpdates(bool silent = false)
         {
+            if (App.IsUWP)
+                return;
+
             Task.Run(() =>
             {
                 try

QuickLook/NativeMethods/Kernel32.cs

@@ -17,6 +17,7 @@
 
 using System;
 using System.Runtime.InteropServices;
+using System.Text;
 
 namespace QuickLook.NativeMethods
 {
@@ -25,6 +26,10 @@ namespace QuickLook.NativeMethods
         [DllImport("kernel32.dll")]
         internal static extern IntPtr LoadLibrary(string lpFileName);
 
+        [DllImport("kernel32.dll")]
+        internal static extern int GetCurrentPackageFullName(ref uint packageFullNameLength,
+            [MarshalAs(UnmanagedType.LPWStr)] StringBuilder packageFullName);
+
         [DllImport("kernel32.dll")]
         internal static extern IntPtr GetCurrentThreadId();
     }

QuickLook/TrayIconManager.cs

@@ -16,7 +16,6 @@
 // along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 using System;
-using System.Diagnostics;
 using System.Windows.Forms;
 using QuickLook.Helpers;
 using QuickLook.Properties;
@@ -36,7 +35,7 @@ namespace QuickLook
                     AutoStartupHelper.RemoveAutorunShortcut();
                 else
                     AutoStartupHelper.CreateAutorunShortcut();
-            });
+            }) {Enabled = !App.IsUWP};
 
         private TrayIconManager()
         {
@@ -50,7 +49,7 @@ namespace QuickLook
                     new MenuItem($"v{Application.ProductVersion}") {Enabled = false},
                     new MenuItem("-"),
                     new MenuItem("Check for &Updates...",
-                        (sender, e) => Updater.CheckForUpdates()),
+                        (sender, e) => Updater.CheckForUpdates()) {Enabled = !App.IsUWP},
                     _itemAutorun,
                     new MenuItem("&Quit", (sender, e) => System.Windows.Application.Current.Shutdown())
                 })