Migrate ServerEventNotifier.OnPackageInstalling to IEventConsumer

Emby.Server.Implementations/EntryPoints/ServerEventNotifier.cs

@@ -38,7 +38,6 @@ namespace Emby.Server.Implementations.EntryPoints
         public Task RunAsync()
         {
             _installationManager.PluginUninstalled += OnPluginUninstalled;
-            _installationManager.PackageInstalling += OnPackageInstalling;
             _installationManager.PackageInstallationCancelled += OnPackageInstallationCancelled;
             _installationManager.PackageInstallationCompleted += OnPackageInstallationCompleted;
             _installationManager.PackageInstallationFailed += OnPackageInstallationFailed;
@@ -46,11 +45,6 @@ namespace Emby.Server.Implementations.EntryPoints
             return Task.CompletedTask;
         }
 
-        private async void OnPackageInstalling(object sender, InstallationInfo e)
-        {
-            await SendMessageToAdminSessions("PackageInstalling", e).ConfigureAwait(false);
-        }
-
         private async void OnPackageInstallationCancelled(object sender, InstallationInfo e)
         {
             await SendMessageToAdminSessions("PackageInstallationCancelled", e).ConfigureAwait(false);
@@ -103,7 +97,6 @@ namespace Emby.Server.Implementations.EntryPoints
             if (dispose)
             {
                 _installationManager.PluginUninstalled -= OnPluginUninstalled;
-                _installationManager.PackageInstalling -= OnPackageInstalling;
                 _installationManager.PackageInstallationCancelled -= OnPackageInstallationCancelled;
                 _installationManager.PackageInstallationCompleted -= OnPackageInstallationCompleted;
                 _installationManager.PackageInstallationFailed -= OnPackageInstallationFailed;

Jellyfin.Server.Implementations/Events/Consumers/Updates/PluginInstallingNotifier.cs

@@ -0,0 +1,31 @@
+using System.Threading;
+using System.Threading.Tasks;
+using MediaBrowser.Controller.Events;
+using MediaBrowser.Controller.Events.Updates;
+using MediaBrowser.Controller.Session;
+
+namespace Jellyfin.Server.Implementations.Events.Consumers.Updates
+{
+    /// <summary>
+    /// Notifies admin users when a plugin is being installed.
+    /// </summary>
+    public class PluginInstallingNotifier : IEventConsumer<PluginInstallingEventArgs>
+    {
+        private readonly ISessionManager _sessionManager;
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="PluginInstallingNotifier"/> class.
+        /// </summary>
+        /// <param name="sessionManager">The session manager.</param>
+        public PluginInstallingNotifier(ISessionManager sessionManager)
+        {
+            _sessionManager = sessionManager;
+        }
+
+        /// <inheritdoc />
+        public async Task OnEvent(PluginInstallingEventArgs eventArgs)
+        {
+            await _sessionManager.SendMessageToAdminSessions("PackageInstalling", eventArgs.Argument, CancellationToken.None).ConfigureAwait(false);
+        }
+    }
+}

MediaBrowser.Controller/Events/Updates/PluginInstallingEventArgs.cs

@@ -0,0 +1,19 @@
+using Jellyfin.Data.Events;
+using MediaBrowser.Model.Updates;
+
+namespace MediaBrowser.Controller.Events.Updates
+{
+    /// <summary>
+    /// An event that occurs when a plugin is installing.
+    /// </summary>
+    public class PluginInstallingEventArgs : GenericEventArgs<InstallationInfo>
+    {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="PluginInstallingEventArgs"/> class.
+        /// </summary>
+        /// <param name="arg">The installation info.</param>
+        public PluginInstallingEventArgs(InstallationInfo arg) : base(arg)
+        {
+        }
+    }
+}