Added Giphy support, Favourites

src/EbbesMemeClipboard/Services/AutostartService.cs

@@ -0,0 +1,42 @@
+using Microsoft.Win32;
+
+namespace EbbesMemeClipboard.Services;
+
+public sealed class AutostartService : IAutostartService
+{
+    private const string RunKeyPath = @"Software\Microsoft\Windows\CurrentVersion\Run";
+    private const string ValueName = "EbbesMemeClipboard";
+
+    public bool IsEnabled
+    {
+        get
+        {
+            using var key = Registry.CurrentUser.OpenSubKey(RunKeyPath, writable: false);
+            return key?.GetValue(ValueName) is string existing && existing.Contains(ExecutablePath, StringComparison.OrdinalIgnoreCase);
+        }
+    }
+
+    public void SetEnabled(bool enabled)
+    {
+        using var key = Registry.CurrentUser.OpenSubKey(RunKeyPath, writable: true)
+            ?? Registry.CurrentUser.CreateSubKey(RunKeyPath, writable: true);
+
+        if (enabled)
+        {
+            // Quoted because the path can contain spaces, which Windows would otherwise treat
+            // as an argument boundary and fail to launch.
+            key.SetValue(ValueName, $"\"{ExecutablePath}\"");
+        }
+        else
+        {
+            key.DeleteValue(ValueName, throwOnMissingValue: false);
+        }
+    }
+
+    /// <summary>
+    /// Environment.ProcessPath, not Assembly.Location: in a single-file published build the
+    /// managed assemblies are never extracted to disk, so Assembly.Location returns an empty
+    /// string and the registry entry would point at nothing.
+    /// </summary>
+    private static string ExecutablePath => Environment.ProcessPath ?? string.Empty;
+}