feat: Use org.freedesktop.ScreenSaver on Linux

.github/workflows/spelling.yml

@@ -4,6 +4,7 @@ on:
   pull_request:
     branches: [ "main" ]
     types: [ "review_requested", "ready_for_review" ]
+  workflow_dispatch:
 name: Spell Check
 permissions:
   contents: read

Nickvision.Desktop.GNOME/Helpers/ComboRowExtensions.cs

@@ -11,11 +11,11 @@ public void SetModel(IReadOnlyList<ISelectionItem> selectionItems, bool allowEli
         {
             var selectedIndex = 0u;
             var list = Gtk.StringList.New(null);
-            for(var i = 0; i < selectionItems.Count; i++)
+            for (var i = 0; i < selectionItems.Count; i++)
             {
                 var item = selectionItems[i];
                 list.Append(item.Label);
-                if(item.ShouldSelect)
+                if (item.ShouldSelect)
                 {
                     selectedIndex = (uint)i;
                 }

Nickvision.Desktop.GNOME/Nickvision.Desktop.GNOME.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
 	<PropertyGroup>
-		<TargetFrameworks>net10.0;net10.0-windows10.0.19041.0</TargetFrameworks>
+		<TargetFrameworks>net9.0;net9.0-windows10.0.19041.0;net10.0;net10.0-windows10.0.19041.0</TargetFrameworks>
 		<LangVersion>latest</LangVersion>
 		<ImplicitUsings>disable</ImplicitUsings>
 		<Nullable>enable</Nullable>

Nickvision.Desktop.Tests/PowerServiceTests.cs

@@ -1,4 +1,5 @@
 using Nickvision.Desktop.System;
+using System.Threading.Tasks;
 
 namespace Nickvision.Desktop.Tests;
 
@@ -15,17 +16,29 @@
     }
 
     [TestMethod]
-    public void Case002_PreventSuspend()
+    public async Task Case002_PreventSuspend()
     {
+#if OS_LINUX
+        if (Environment.GetEnvironmentVariable("CI") == "true")
+        {
+            Assert.Inconclusive("org.freedesktop.ScreenSaver service not available in CI environments");
+        }
+#endif
         Assert.IsNotNull(_powerService);
-        Assert.IsTrue(_powerService.PreventSuspend());
+        Assert.IsTrue(await _powerService.PreventSuspendAsync());
     }
 
     [TestMethod]
-    public void Case003_AllowSuspend()
+    public async Task Case003_AllowSuspend()
     {
+#if OS_LINUX
+        if (Environment.GetEnvironmentVariable("CI") == "true")
+        {
+            Assert.Inconclusive("org.freedesktop.ScreenSaver service not available in CI environments");
+        }
+#endif
         Assert.IsNotNull(_powerService);
-        Assert.IsTrue(_powerService.AllowSuspend());
+        Assert.IsTrue(await _powerService.AllowSuspendAsync());
     }
 
     [TestMethod]

Nickvision.Desktop.WinUI/Controls/StatusPage.xaml.cs

@@ -46,7 +46,7 @@ public ImageSource? Image
     public string Title
     {
         get => (string)GetValue(TitleProperty);
-        
+
         set
         {
             SetValue(TitleProperty, value);

Nickvision.Desktop.WinUI/Controls/ViewStack.xaml.cs

@@ -22,7 +22,7 @@ public ObservableCollection<UIElement> Pages
         set
         {
             SetValue(PagesProperty, value);
-            if(value.Count > 0)
+            if (value.Count > 0)
             {
                 Content = Pages[SelectedIndex];
             }

Nickvision.Desktop.WinUI/Helpers/ComboBoxExtensions.cs

@@ -1,5 +1,5 @@
-using Nickvision.Desktop.Application;
-using Microsoft.UI.Xaml.Controls;
+using Microsoft.UI.Xaml.Controls;
+using Nickvision.Desktop.Application;
 using System.Collections.Generic;
 using System.Linq;
 

Nickvision.Desktop.WinUI/Helpers/ListViewExtensions.cs

@@ -1,5 +1,5 @@
-using Nickvision.Desktop.Application;
-using Microsoft.UI.Xaml.Controls;
+using Microsoft.UI.Xaml.Controls;
+using Nickvision.Desktop.Application;
 using System.Collections.Generic;
 using System.Linq;
 

Nickvision.Desktop.WinUI/Helpers/WindowExtensions.cs

@@ -42,7 +42,7 @@ public WindowGeometry Geometry
                         });
                     }
                     else
-                    { 
+                    {
                         window.AppWindow.Resize(new SizeInt32
                         {
                             Width = Math.Max(900, value.Width),
@@ -57,7 +57,7 @@ public bool IsGeometryValid(WindowGeometry windowGeometry)
         {
             var workArea = DisplayArea.GetFromWindowId(window.AppWindow.Id, DisplayAreaFallback.Nearest).WorkArea;
             var windowRect = new RectInt32(windowGeometry.X, windowGeometry.Y, windowGeometry.Width, windowGeometry.Height);
-            return Math.Max(0, Math.Min(windowRect.X + windowRect.Width, workArea.X + workArea.Width) - Math.Max(windowRect.X, workArea.X)) >= 100 && 
+            return Math.Max(0, Math.Min(windowRect.X + windowRect.Width, workArea.X + workArea.Width) - Math.Max(windowRect.X, workArea.X)) >= 100 &&
                 Math.Max(0, Math.Min(windowRect.Y + windowRect.Height, workArea.Y + workArea.Height) - Math.Max(windowRect.Y, workArea.Y)) >= 100;
         }
     }

Nickvision.Desktop.WinUI/Nickvision.Desktop.WinUI.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
 	<PropertyGroup>
-		<TargetFrameworks>net8.0-windows10.0.19041.0;net9.0-windows10.0.19041.0;net10.0-windows10.0.19041.0</TargetFrameworks>
+		<TargetFrameworks>net9.0-windows10.0.19041.0;net10.0-windows10.0.19041.0</TargetFrameworks>
 		<TargetPlatformMinVersion>10.0.17763.0</TargetPlatformMinVersion>
 		<LangVersion>latest</LangVersion>
 		<ImplicitUsings>disable</ImplicitUsings>

Nickvision.Desktop/FreeDesktop/IScreenSaver.cs

@@ -0,0 +1,21 @@
+using System;
+using System.Threading.Tasks;
+using Tmds.DBus;
+
+namespace Nickvision.Desktop.FreeDesktop;
+
+[DBusInterface("org.freedesktop.ScreenSaver")]
+public interface IScreenSaver : IDBusObject
+{
+    Task LockAsync();
+    Task SimulateUserActivityAsync();
+    Task<bool> GetActiveAsync();
+    Task<uint> GetActiveTimeAsync();
+    Task<uint> GetSessionIdleTimeAsync();
+    Task<bool> SetActiveAsync(bool E);
+    Task<uint> InhibitAsync(string ApplicationName, string ReasonForInhibit);
+    Task UnInhibitAsync(uint Cookie);
+    Task<uint> ThrottleAsync(string ApplicationName, string ReasonForInhibit);
+    Task UnThrottleAsync(uint Cookie);
+    Task<IDisposable> WatchActiveChangedAsync(Action<bool> handler, Action<Exception>? onError = null);
+}

Nickvision.Desktop/Nickvision.Desktop.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
 	<PropertyGroup>
-		<TargetFrameworks>net8.0;net8.0-windows10.0.19041.0;net9.0;net9.0-windows10.0.19041.0;net10.0;net10.0-windows10.0.19041.0</TargetFrameworks>
+		<TargetFrameworks>net9.0;net9.0-windows10.0.19041.0;net10.0;net10.0-windows10.0.19041.0</TargetFrameworks>
 		<LangVersion>latest</LangVersion>
 		<ImplicitUsings>disable</ImplicitUsings>
 		<Nullable>enable</Nullable>
@@ -43,6 +43,7 @@
 		<PackageReference Include="Octokit" Version="14.0.0" />
 		<PackageReference Include="SQLitePCLRaw.bundle_e_sqlcipher" Version="2.1.11" />
 		<PackageReference Include="System.Drawing.Common" Version="10.0.2" />
+		<PackageReference Include="Tmds.DBus" Version="0.23.0" />
 		<PackageReference Include="Vanara.PInvoke.Kernel32" Version="5.0.0" />
 		<PackageReference Include="Vanara.PInvoke.PowrProf" Version="5.0.0" />
 		<PackageReference Include="Vanara.PInvoke.Security" Version="5.0.0" />

Nickvision.Desktop/Notifications/NotificationService.cs

@@ -1,13 +1,9 @@
 using Nickvision.Desktop.Application;
 using System;
+using System.Diagnostics;
 #if OS_WINDOWS
 using Microsoft.Toolkit.Uwp.Notifications;
-
-#elif OS_MAC
-using System.Diagnostics;
-
 #elif OS_LINUX
-using System.Diagnostics;
 using System.IO;
 using System.Runtime.InteropServices;
 #endif

Nickvision.Desktop/System/IPowerService.cs

@@ -1,4 +1,6 @@
-namespace Nickvision.Desktop.System;
+using System.Threading.Tasks;
+
+namespace Nickvision.Desktop.System;
 
 /// <summary>
 ///     An interface for a service for managing power options.
@@ -9,35 +11,11 @@ public interface IPowerService : IService
     ///     Allows the system to suspend.
     /// </summary>
     /// <returns>True if the action was applied successfully, else false</returns>
-    bool AllowSuspend();
-
-    /// <summary>
-    ///     Logs the user off the system.
-    /// </summary>
-    /// <returns>True if the action was applied successfully, else false</returns>
-    bool Logoff();
+    Task<bool> AllowSuspendAsync();
 
     /// <summary>
     ///     Prevents the system from suspending.
     /// </summary>
     /// <returns>True if the action was applied successfully, else false</returns>
-    bool PreventSuspend();
-
-    /// <summary>
-    ///     Restarts the system.
-    /// </summary>
-    /// <returns>True if the action was applied successfully, else false</returns>
-    bool Restart();
-
-    /// <summary>
-    ///     Shuts down the system.
-    /// </summary>
-    /// <returns>True if the action was applied successfully, else false</returns>
-    bool Shutdown();
-
-    /// <summary>
-    ///     Suspends the system.
-    /// </summary>
-    /// <returns>True if the action was applied successfully, else false</returns>
-    bool Suspend();
+    Task<bool> PreventSuspendAsync();
 }