Move theme data and functions into api

Flow.Launcher.Core/Resource/Theme.cs

@@ -81,11 +81,6 @@ namespace Flow.Launcher.Core.Resource
 
         #region Theme Resources
 
-        public string GetCurrentTheme()
-        {
-            return _settings.Theme;
-        }
-
         private void MakeSureThemeDirectoriesExist()
         {
             foreach (var dir in _themeDirectories.Where(dir => !Directory.Exists(dir)))
@@ -127,7 +122,7 @@ namespace Flow.Launcher.Core.Resource
             try
             {
                 // Load a ResourceDictionary for the specified theme.
-                var themeName = GetCurrentTheme();
+                var themeName = _settings.Theme;
                 var dict = GetThemeResourceDictionary(themeName);
                 
                 // Apply font settings to the theme resource.
@@ -330,7 +325,7 @@ namespace Flow.Launcher.Core.Resource
 
         private ResourceDictionary GetCurrentResourceDictionary()
         {
-            return GetResourceDictionary(GetCurrentTheme());
+            return GetResourceDictionary(_settings.Theme);
         }
 
         private ThemeData GetThemeDataFromPath(string path)
@@ -383,9 +378,15 @@ namespace Flow.Launcher.Core.Resource
 
         #endregion
 
-        #region Load & Change
+        #region Get & Change Theme
 
-        public List<ThemeData> LoadAvailableThemes()
+        public ThemeData GetCurrentTheme()
+        {
+            var themes = GetAvailableThemes();
+            return themes.FirstOrDefault(t => t.FileNameWithoutExtension == _settings.Theme) ?? themes.FirstOrDefault();
+        }
+
+        public List<ThemeData> GetAvailableThemes()
         {
             List<ThemeData> themes = new List<ThemeData>();
             foreach (var themeDirectory in _themeDirectories)
@@ -403,7 +404,7 @@ namespace Flow.Launcher.Core.Resource
         public bool ChangeTheme(string theme = null)
         {
             if (string.IsNullOrEmpty(theme))
-                theme = GetCurrentTheme();
+                theme = _settings.Theme;
 
             string path = GetThemePath(theme);
             try
@@ -591,7 +592,7 @@ namespace Flow.Launcher.Core.Resource
                 {
                     AutoDropShadow(useDropShadowEffect);
                 }
-                SetBlurForWindow(GetCurrentTheme(), backdropType);
+                SetBlurForWindow(_settings.Theme, backdropType);
 
                 if (!BlurEnabled)
                 {
@@ -610,7 +611,7 @@ namespace Flow.Launcher.Core.Resource
                 // Get the actual backdrop type and drop shadow effect settings
                 var (backdropType, _) = GetActualValue();
 
-                SetBlurForWindow(GetCurrentTheme(), backdropType);
+                SetBlurForWindow(_settings.Theme, backdropType);
             }, DispatcherPriority.Render);
         }
 
@@ -898,11 +899,5 @@ namespace Flow.Launcher.Core.Resource
         }
 
         #endregion
-
-        #region Classes
-
-        public record ThemeData(string FileNameWithoutExtension, string Name, bool? IsDark = null, bool? HasBlur = null);
-
-        #endregion
     }
 }

Flow.Launcher.Plugin/Interfaces/IPublicAPI.cs

@@ -344,5 +344,24 @@ namespace Flow.Launcher.Plugin
         /// Stop the loading bar in main window
         /// </summary>
         public void StopLoadingBar();
+
+        /// <summary>
+        /// Get all available themes
+        /// </summary>
+        /// <returns></returns>
+        public List<ThemeData> GetAvailableThemes();
+
+        /// <summary>
+        /// Get the current theme
+        /// </summary>
+        /// <returns></returns>
+        public ThemeData GetCurrentTheme();
+
+        /// <summary>
+        /// Set the current theme
+        /// </summary>
+        /// <param name="theme"></param>
+        /// <returns></returns>
+        public void SetCurrentTheme(ThemeData theme);
     }
 }

Flow.Launcher.Plugin/ThemeData.cs

@@ -0,0 +1,71 @@
+namespace Flow.Launcher.Plugin;
+
+/// <summary>
+/// Theme data model
+/// </summary>
+public class ThemeData
+{
+    /// <summary>
+    /// Theme file name without extension
+    /// </summary>
+    public string FileNameWithoutExtension { get; private init; }
+
+    /// <summary>
+    /// Theme name
+    /// </summary>
+    public string Name { get; private init; }
+
+    /// <summary>
+    /// Theme file path
+    /// </summary>
+    public bool? IsDark { get; private init; }
+
+    /// <summary>
+    /// Theme file path
+    /// </summary>
+    public bool? HasBlur { get; private init; }
+
+    /// <summary>
+    /// Theme data constructor
+    /// </summary>
+    public ThemeData(string fileNameWithoutExtension, string name, bool? isDark = null, bool? hasBlur = null)
+    {
+        FileNameWithoutExtension = fileNameWithoutExtension;
+        Name = name;
+        IsDark = isDark;
+        HasBlur = hasBlur;
+    }
+
+    /// <inheritdoc />
+    public static bool operator ==(ThemeData left, ThemeData right)
+    {
+        return left.Equals(right);
+    }
+
+    /// <inheritdoc />
+    public static bool operator !=(ThemeData left, ThemeData right)
+    {
+        return !(left == right);
+    }
+
+    /// <inheritdoc />
+    public override bool Equals(object obj)
+    {
+        if (obj is not ThemeData other)
+            return false;
+        return FileNameWithoutExtension == other.FileNameWithoutExtension &&
+            Name == other.Name;
+    }
+
+    /// <inheritdoc />
+    public override int GetHashCode()
+    {
+        return Name?.GetHashCode() ?? 0;
+    }
+
+    /// <inheritdoc />
+    public override string ToString()
+    {
+        return Name;
+    }
+}

Flow.Launcher/PublicAPIInstance.cs

@@ -37,6 +37,9 @@ namespace Flow.Launcher
         private readonly Internationalization _translater;
         private readonly MainViewModel _mainVM;
 
+        private Theme _theme;
+        private Theme Theme => _theme ??= Ioc.Default.GetRequiredService<Theme>();
+
         private readonly object _saveSettingsLock = new();
 
         #region Constructor
@@ -354,6 +357,16 @@ namespace Flow.Launcher
 
         public Task ShowProgressBoxAsync(string caption, Func<Action<double>, Task> reportProgressAsync, Action cancelProgress = null) => ProgressBoxEx.ShowAsync(caption, reportProgressAsync, cancelProgress);
 
+        public List<ThemeData> GetAvailableThemes() => Theme.GetAvailableThemes();
+
+        public ThemeData GetCurrentTheme() => Theme.GetCurrentTheme();
+
+        public void SetCurrentTheme(ThemeData theme)
+        {
+            Theme.ChangeTheme(theme.FileNameWithoutExtension);
+            _ = _theme.RefreshFrameAsync();
+        }
+
         #endregion
 
         #region Private Methods