Fix Try Icon

Set correct icon on Artemis startup.
Use system theme for Toast and Try Icon.
Use Apps theme for Artemis UI.

src/Artemis.UI/Providers/ToastNotificationProvider.cs

@@ -71,7 +71,7 @@ namespace Artemis.UI.Providers
             Execute.OnUIThreadSync(() =>
             {
                 using FileStream stream = File.OpenWrite(imagePath);
-                GetEncoderForIcon(icon, _themeWatcher.GetWindowsTheme() == ThemeWatcher.WindowsTheme.Dark ? Colors.White : Colors.Black).Save(stream);
+                GetEncoderForIcon(icon, _themeWatcher.GetSystemTheme() == ThemeWatcher.WindowsTheme.Dark ? Colors.White : Colors.Black).Save(stream);
             });
 
             new ToastContentBuilder()

src/Artemis.UI/Screens/TrayViewModel.cs

@@ -51,9 +51,11 @@ namespace Artemis.UI.Screens
             _themeWatcher = new ThemeWatcher();
             _colorScheme = settingsService.GetSetting("UI.ColorScheme", ApplicationColorScheme.Automatic);
             _colorScheme.SettingChanged += ColorSchemeOnSettingChanged;
-            _themeWatcher.ThemeChanged += ThemeWatcherOnThemeChanged;
+            _themeWatcher.SystemThemeChanged += _themeWatcher_SystemThemeChanged;
+            _themeWatcher.AppsThemeChanged += _themeWatcher_AppsThemeChanged;
 
             ApplyColorSchemeSetting();
+            ApplyTryIconTheme(_themeWatcher.GetSystemTheme());
 
             windowService.ConfigureMainWindowProvider(this);
             bool autoRunning = Bootstrapper.StartupArguments.Contains("--autorun");
@@ -170,28 +172,31 @@ namespace Artemis.UI.Screens
         private void ApplyColorSchemeSetting()
         {
             if (_colorScheme.Value == ApplicationColorScheme.Automatic)
-                ApplyWindowsTheme(_themeWatcher.GetWindowsTheme());
+                ApplyUITheme(_themeWatcher.GetAppsTheme());
             else
                 ChangeMaterialColors(_colorScheme.Value);
         }
 
-        private void ApplyWindowsTheme(ThemeWatcher.WindowsTheme windowsTheme)
+        private void ApplyUITheme(ThemeWatcher.WindowsTheme theme)
         {
-            Execute.PostToUIThread(() =>
-            {
-                Icon = windowsTheme == ThemeWatcher.WindowsTheme.Dark 
-                    ? new BitmapImage(new Uri("pack://application:,,,/Artemis.UI;component/Resources/Images/Logo/bow-white.ico")) 
-                    : new BitmapImage(new Uri("pack://application:,,,/Artemis.UI;component/Resources/Images/Logo/bow-black.ico"));
-            });
-
             if (_colorScheme.Value != ApplicationColorScheme.Automatic)
                 return;
-            if (windowsTheme == ThemeWatcher.WindowsTheme.Dark)
+            if (theme == ThemeWatcher.WindowsTheme.Dark)
                 ChangeMaterialColors(ApplicationColorScheme.Dark);
             else
                 ChangeMaterialColors(ApplicationColorScheme.Light);
         }
 
+        private void ApplyTryIconTheme(ThemeWatcher.WindowsTheme theme)
+        {
+            Execute.PostToUIThread(() =>
+            {
+                Icon = theme == ThemeWatcher.WindowsTheme.Dark
+                    ? new BitmapImage(new Uri("pack://application:,,,/Artemis.UI;component/Resources/Images/Logo/bow-white.ico"))
+                    : new BitmapImage(new Uri("pack://application:,,,/Artemis.UI;component/Resources/Images/Logo/bow-black.ico"));
+            });
+        }
+
         private void ChangeMaterialColors(ApplicationColorScheme colorScheme)
         {
             PaletteHelper paletteHelper = new();
@@ -203,9 +208,14 @@ namespace Artemis.UI.Screens
             extensionsPaletteHelper.SetLightDark(colorScheme == ApplicationColorScheme.Dark);
         }
 
-        private void ThemeWatcherOnThemeChanged(object sender, WindowsThemeEventArgs e)
+        private void _themeWatcher_AppsThemeChanged(object sender, WindowsThemeEventArgs e)
         {
-            ApplyWindowsTheme(e.Theme);
+            ApplyUITheme(e.Theme);
+        }
+
+        private void _themeWatcher_SystemThemeChanged(object sender, WindowsThemeEventArgs e)
+        {
+            ApplyTryIconTheme(e.Theme);
         }
 
         private void ColorSchemeOnSettingChanged(object sender, EventArgs e)

src/Artemis.UI/Utilities/ThemeWatcher.cs

@@ -11,7 +11,8 @@ namespace Artemis.UI.Utilities
     {
         private const string RegistryKeyPath = @"Software\Microsoft\Windows\CurrentVersion\Themes\Personalize";
 
-        private const string RegistryValueName = "AppsUseLightTheme";
+        private const string appsThemeRegistryValueName = "AppsUseLightTheme";
+        private const string systemThemeRegistryValueName = "SystemUsesLightTheme";
 
         public ThemeWatcher()
         {
@@ -21,24 +22,44 @@ namespace Artemis.UI.Utilities
         public void WatchTheme()
         {
             WindowsIdentity currentUser = WindowsIdentity.GetCurrent();
-            string query = string.Format(
+            string appsThemequery = string.Format(
                 CultureInfo.InvariantCulture,
                 @"SELECT * FROM RegistryValueChangeEvent WHERE Hive = 'HKEY_USERS' AND KeyPath = '{0}\\{1}' AND ValueName = '{2}'",
                 currentUser.User.Value,
                 RegistryKeyPath.Replace(@"\", @"\\"),
-                RegistryValueName);
+                appsThemeRegistryValueName);
+
+            string systemThemequery = string.Format(
+                CultureInfo.InvariantCulture,
+                @"SELECT * FROM RegistryValueChangeEvent WHERE Hive = 'HKEY_USERS' AND KeyPath = '{0}\\{1}' AND ValueName = '{2}'",
+                currentUser.User.Value,
+                RegistryKeyPath.Replace(@"\", @"\\"),
+                systemThemeRegistryValueName);
 
             try
             {
-                ManagementEventWatcher watcher = new(query);
+                // For Apps theme
-                watcher.EventArrived += (sender, args) =>
+                ManagementEventWatcher appsThemWatcher = new(appsThemequery);
+                appsThemWatcher.EventArrived += (_, _) =>
                 {
-                    WindowsTheme newWindowsTheme = GetWindowsTheme();
+                    WindowsTheme newWindowsTheme = GetAppsTheme();
-                    OnThemeChanged(new WindowsThemeEventArgs(newWindowsTheme));
+                    OnAppsThemeChanged(new WindowsThemeEventArgs(newWindowsTheme));
                 };
 
-                // Start listening for events
+                // Start listening for apps theme events
-                watcher.Start();
+                appsThemWatcher.Start();
+
+
+                // For System theme
+                ManagementEventWatcher systemThemWatcher = new(systemThemequery);
+                systemThemWatcher.EventArrived += (_, _) =>
+                {
+                    WindowsTheme newWindowsTheme = GetSystemTheme();
+                    OnSystemThemeChanged(new WindowsThemeEventArgs(newWindowsTheme));
+                };
+
+                // Start listening for system theme events
+                systemThemWatcher.Start();
             }
             catch (Exception)
             {
@@ -46,11 +67,11 @@ namespace Artemis.UI.Utilities
             }
         }
 
-        public WindowsTheme GetWindowsTheme()
+        private WindowsTheme GetTheme(string themeKeyName)
         {
             using (RegistryKey key = Registry.CurrentUser.OpenSubKey(RegistryKeyPath))
             {
-                object registryValueObject = key?.GetValue(RegistryValueName);
+                object registryValueObject = key?.GetValue(themeKeyName);
                 if (registryValueObject == null) return WindowsTheme.Light;
 
                 int registryValue = (int)registryValueObject;
@@ -59,12 +80,27 @@ namespace Artemis.UI.Utilities
             }
         }
 
-        public event EventHandler<WindowsThemeEventArgs> ThemeChanged;
+        public WindowsTheme GetAppsTheme()
-
-
-        protected virtual void OnThemeChanged(WindowsThemeEventArgs e)
         {
-            ThemeChanged?.Invoke(this, e);
+            return GetTheme(appsThemeRegistryValueName);
+        }
+
+        public WindowsTheme GetSystemTheme()
+        {
+            return GetTheme(systemThemeRegistryValueName);
+        }
+
+        public event EventHandler<WindowsThemeEventArgs> AppsThemeChanged;
+        public event EventHandler<WindowsThemeEventArgs> SystemThemeChanged;
+
+        protected virtual void OnAppsThemeChanged(WindowsThemeEventArgs e)
+        {
+            AppsThemeChanged?.Invoke(this, e);
+        }
+
+        protected virtual void OnSystemThemeChanged(WindowsThemeEventArgs e)
+        {
+            SystemThemeChanged?.Invoke(this, e);
         }
 
         public enum WindowsTheme