Add ActivePluginsChangedEventArgs

Dalamud/Plugin/ActivePluginsChangedEventArgs.cs

@@ -0,0 +1,19 @@
+using System.Collections.Generic;
+
+namespace Dalamud.Plugin;
+
+/// <summary>
+/// Contains data about changes to the list of active plugins.
+/// </summary>
+public class ActivePluginsChangedEventArgs(PluginListInvalidationKind kind, IEnumerable<string> affectedInternalNames) : EventArgs
+{
+    /// <summary>
+    /// Gets the invalidation kind that caused this event to be fired.
+    /// </summary>
+    public PluginListInvalidationKind Kind { get; } = kind;
+
+    /// <summary>
+    /// Gets the InternalNames of affected plugins.
+    /// </summary>
+    public IEnumerable<string> AffectedInternalNames { get; } = affectedInternalNames;
+}

Dalamud/Plugin/DalamudPluginInterface.cs

@@ -523,15 +523,14 @@ internal sealed class DalamudPluginInterface : IDalamudPluginInterface, IDisposa
     /// <summary>
     /// Dispatch the active plugins changed event.
     /// </summary>
-    /// <param name="kind">What action caused this event to be fired.</param>
+    /// <param name="args">The event arguments containing information about the change.</param>
-    /// <param name="affectedThisPlugin">If this plugin was affected by the change.</param>
+    internal void NotifyActivePluginsChanged(ActivePluginsChangedEventArgs args)
-    internal void NotifyActivePluginsChanged(PluginListInvalidationKind kind, bool affectedThisPlugin)
     {
         foreach (var action in Delegate.EnumerateInvocationList(this.ActivePluginsChanged))
         {
             try
             {
-                action(kind, affectedThisPlugin);
+                action(args);
             }
             catch (Exception ex)
             {

Dalamud/Plugin/IDalamudPluginInterface.cs

@@ -1,4 +1,4 @@
-using System.Collections.Generic;
+using System.Collections.Generic;
 using System.Diagnostics.CodeAnalysis;
 using System.IO;
 using System.Threading.Tasks;
@@ -32,9 +32,8 @@ public interface IDalamudPluginInterface
     /// <summary>
     /// Delegate for events that listen to changes to the list of active plugins.
     /// </summary>
-    /// <param name="kind">What action caused this event to be fired.</param>
+    /// <param name="args">The event arguments containing information about the change.</param>
-    /// <param name="affectedThisPlugin">If this plugin was affected by the change.</param>
+    public delegate void ActivePluginsChangedDelegate(ActivePluginsChangedEventArgs args);
-    public delegate void ActivePluginsChangedDelegate(PluginListInvalidationKind kind, bool affectedThisPlugin);
 
     /// <summary>
     /// Event that gets fired when loc is changed

Dalamud/Plugin/Internal/PluginManager.cs

@@ -1307,9 +1307,7 @@ internal class PluginManager : IInternalDisposableService
                 continue;
 
             installedPlugin.DalamudInterface.NotifyActivePluginsChanged(
-                kind,
+                new ActivePluginsChangedEventArgs(kind, affectedInternalNames));
-                // ReSharper disable once PossibleMultipleEnumeration
-                affectedInternalNames.Contains(installedPlugin.Manifest.InternalName));
         }
     }