feat: add PluginLoadReason to plugin interface

Dalamud/Interface/DalamudDataWindow.cs

@@ -182,8 +182,8 @@ namespace Dalamud.Interface
 
                     // Subscriptions
                     case 5:
-                        var i1 = new DalamudPluginInterface(this.dalamud, "DalamudTestSub", null);
+                        var i1 = new DalamudPluginInterface(this.dalamud, "DalamudTestSub", null, PluginLoadReason.Boot);
-                        var i2 = new DalamudPluginInterface(this.dalamud, "DalamudTestPub", null);
+                        var i2 = new DalamudPluginInterface(this.dalamud, "DalamudTestPub", null, PluginLoadReason.Boot);
 
                         if (ImGui.Button("Add test sub")) i1.Subscribe("DalamudTestPub", o => {
                             dynamic msg = o;

Dalamud/Plugin/DalamudPluginInterface.cs

@@ -22,6 +22,11 @@ namespace Dalamud.Plugin
     /// This class acts as an interface to various objects needed to interact with Dalamud and the game.
     /// </summary>
     public class DalamudPluginInterface : IDisposable {
+        /// <summary>
+        /// The reason this plugin was loaded.
+        /// </summary>
+        public PluginLoadReason Reason { get; }
+
         /// <summary>
         /// The CommandManager object that allows you to add and remove custom chat commands.
         /// </summary>
@@ -65,7 +70,8 @@ namespace Dalamud.Plugin
         /// Set up the interface and populate all fields needed.
         /// </summary>
         /// <param name="dalamud"></param>
-        public DalamudPluginInterface(Dalamud dalamud, string pluginName, PluginConfigurations configs) {
+        internal DalamudPluginInterface(Dalamud dalamud, string pluginName, PluginConfigurations configs, PluginLoadReason reason) {
+            Reason = reason;
             this.CommandManager = dalamud.CommandManager;
             this.Framework = dalamud.Framework;
             this.ClientState = dalamud.ClientState;

Dalamud/Plugin/PluginLoadReason.cs

@@ -0,0 +1,29 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Dalamud.Plugin
+{
+    /// <summary>
+    /// This enum reflects reasons for loading a plugin.
+    /// </summary>
+    public enum PluginLoadReason
+    {
+        /// <summary>
+        /// We don't know why this plugin was loaded.
+        /// </summary>
+        Unknown,
+
+        /// <summary>
+        /// This plugin was loaded because it was installed with the plugin installer.
+        /// </summary>
+        Installer,
+
+        /// <summary>
+        /// This plugin was loaded because the game was started or Dalamud was reinjected.
+        /// </summary>
+        Boot
+    }
+}

Dalamud/Plugin/PluginManager.cs

@@ -88,7 +88,7 @@ namespace Dalamud.Plugin
             this.Plugins.Remove(thisPlugin);
         }
 
-        public bool LoadPluginFromAssembly(FileInfo dllFile, bool raw) {
+        public bool LoadPluginFromAssembly(FileInfo dllFile, bool raw, PluginLoadReason reason) {
             Log.Information("Loading plugin at {0}", dllFile.Directory.FullName);
 
             // If this entire folder has been marked as a disabled plugin, don't even try to load anything
@@ -170,7 +170,7 @@ namespace Dalamud.Plugin
                         return false;
                     }
 
-                    var dalamudInterface = new DalamudPluginInterface(this.dalamud, type.Assembly.GetName().Name, this.pluginConfigs);
+                    var dalamudInterface = new DalamudPluginInterface(this.dalamud, type.Assembly.GetName().Name, this.pluginConfigs, reason);
                     plugin.Initialize(dalamudInterface);
 
                     Log.Information("Loaded plugin: {0}", plugin.Name);
@@ -194,7 +194,7 @@ namespace Dalamud.Plugin
 
                 foreach (var dllFile in pluginDlls) {
                     try {
-                        LoadPluginFromAssembly(dllFile, raw);
+                        LoadPluginFromAssembly(dllFile, raw, PluginLoadReason.Boot);
                     } catch (Exception ex) {
                         Log.Error(ex, $"Plugin load for {dllFile.FullName} failed.");
                     }

Dalamud/Plugin/PluginRepository.cs

@@ -76,7 +76,7 @@ namespace Dalamud.Plugin
                     if (disabledFile.Exists)
                         disabledFile.Delete();
 
-                    return this.dalamud.PluginManager.LoadPluginFromAssembly(dllFile, false);
+                    return this.dalamud.PluginManager.LoadPluginFromAssembly(dllFile, false, PluginLoadReason.Installer);
                 }
 
                 if (dllFile.Exists && !enableAfterInstall) {
@@ -105,7 +105,7 @@ namespace Dalamud.Plugin
                     return true;
                 }
 
-                return this.dalamud.PluginManager.LoadPluginFromAssembly(dllFile, false);
+                return this.dalamud.PluginManager.LoadPluginFromAssembly(dllFile, false, PluginLoadReason.Installer);
             }
             catch (Exception e)
             {