From 391b48614d598b5fbfad68b610520a5ae7a57b70 Mon Sep 17 00:00:00 2001
From: Bond_009 <bond.009@outlook.com>
Date: Fri, 28 Dec 2018 15:21:02 +0100
Subject: [PATCH] Remove FireEventIfNotNull

It's a pretty useless "helper" class
---
 Emby.Dlna/Ssdp/DeviceDiscovery.cs             |  4 +-
 .../Activity/ActivityManager.cs               |  2 +-
 .../AppBase/BaseConfigurationManager.cs       | 10 ++--
 .../ApplicationHost.cs                        |  7 ++-
 .../Collections/CollectionManager.cs          | 15 +++---
 .../ServerConfigurationManager.cs             |  2 +-
 .../Devices/DeviceManager.cs                  |  4 +-
 .../HttpServer/HttpListenerHost.cs            |  2 +-
 .../HttpServer/WebSocketConnection.cs         |  2 +-
 .../IO/FileRefresher.cs                       |  2 +-
 .../Library/UserDataManager.cs                |  5 +-
 .../Library/UserManager.cs                    | 17 +++----
 .../LiveTv/EmbyTV/TimerManager.cs             |  4 +-
 .../LiveTv/LiveTvManager.cs                   | 24 +++++-----
 .../ScheduledTasks/ScheduledTaskWorker.cs     |  5 +-
 .../ScheduledTasks/TaskManager.cs             | 10 ++--
 .../Session/SessionManager.cs                 | 19 ++++----
 .../Updates/InstallationManager.cs            | 17 ++++---
 Jellyfin.Server/SocketSharp/SharpWebSocket.cs |  6 +--
 MediaBrowser.Common/Events/EventHelper.cs     | 46 +------------------
 .../Subtitles/SubtitleManager.cs              |  5 +-
 21 files changed, 73 insertions(+), 135 deletions(-)

diff --git a/Emby.Dlna/Ssdp/DeviceDiscovery.cs b/Emby.Dlna/Ssdp/DeviceDiscovery.cs
index 85dc4d94f5..d91f711d2f 100644
--- a/Emby.Dlna/Ssdp/DeviceDiscovery.cs
+++ b/Emby.Dlna/Ssdp/DeviceDiscovery.cs
@@ -119,7 +119,7 @@ namespace Emby.Dlna.Ssdp
                 }
             };
 
-            EventHelper.FireEventIfNotNull(DeviceDiscoveredInternal, this, args, _logger);
+            DeviceDiscoveredInternal?.Invoke(this, args);
         }
 
         private void _DeviceLocator_DeviceUnavailable(object sender, DeviceUnavailableEventArgs e)
@@ -139,7 +139,7 @@ namespace Emby.Dlna.Ssdp
                 }
             };
 
-            EventHelper.FireEventIfNotNull(DeviceLeft, this, args, _logger);
+            DeviceLeft?.Invoke(this, args);
         }
 
         public void Dispose()
diff --git a/Emby.Server.Implementations/Activity/ActivityManager.cs b/Emby.Server.Implementations/Activity/ActivityManager.cs
index b0c8413978..a67e475e2b 100644
--- a/Emby.Server.Implementations/Activity/ActivityManager.cs
+++ b/Emby.Server.Implementations/Activity/ActivityManager.cs
@@ -30,7 +30,7 @@ namespace Emby.Server.Implementations.Activity
 
             _repo.Create(entry);
 
-            EventHelper.FireEventIfNotNull(EntryCreated, this, new GenericEventArgs<ActivityLogEntry>(entry), _logger);
+            EntryCreated?.Invoke(this, new GenericEventArgs<ActivityLogEntry>(entry));
         }
 
         public QueryResult<ActivityLogEntry> GetActivityLogEntries(DateTime? minDate, bool? hasUserId, int? startIndex, int? limit)
diff --git a/Emby.Server.Implementations/AppBase/BaseConfigurationManager.cs b/Emby.Server.Implementations/AppBase/BaseConfigurationManager.cs
index fddf19893f..bc5168fe83 100644
--- a/Emby.Server.Implementations/AppBase/BaseConfigurationManager.cs
+++ b/Emby.Server.Implementations/AppBase/BaseConfigurationManager.cs
@@ -283,12 +283,11 @@ namespace Emby.Server.Implementations.AppBase
                 validatingStore.Validate(currentConfiguration, configuration);
             }
 
-            EventHelper.FireEventIfNotNull(NamedConfigurationUpdating, this, new ConfigurationUpdateEventArgs
+            NamedConfigurationUpdating?.Invoke( this, new ConfigurationUpdateEventArgs
             {
                 Key = key,
                 NewConfiguration = configuration
-
-            }, Logger);
+            });
 
             _configurations.AddOrUpdate(key, configuration, (k, v) => configuration);
 
@@ -305,12 +304,11 @@ namespace Emby.Server.Implementations.AppBase
 
         protected virtual void OnNamedConfigurationUpdated(string key, object configuration)
         {
-            EventHelper.FireEventIfNotNull(NamedConfigurationUpdated, this, new ConfigurationUpdateEventArgs
+            NamedConfigurationUpdated?.Invoke(this, new ConfigurationUpdateEventArgs
             {
                 Key = key,
                 NewConfiguration = configuration
-
-            }, Logger);
+            });
         }
 
         public Type GetConfigurationType(string key)
diff --git a/Emby.Server.Implementations/ApplicationHost.cs b/Emby.Server.Implementations/ApplicationHost.cs
index 80e9b6b502..2368519685 100644
--- a/Emby.Server.Implementations/ApplicationHost.cs
+++ b/Emby.Server.Implementations/ApplicationHost.cs
@@ -2265,7 +2265,7 @@ namespace Emby.Server.Implementations
 
                 if (fireEvent)
                 {
-                    EventHelper.FireEventIfNotNull(HasUpdateAvailableChanged, this, EventArgs.Empty, Logger);
+                    HasUpdateAvailableChanged?.Invoke(this, EventArgs.Empty);
                 }
             }
         }
@@ -2381,11 +2381,10 @@ namespace Emby.Server.Implementations
         {
             Logger.LogInformation("Application has been updated to version {0}", package.versionStr);
 
-            EventHelper.FireEventIfNotNull(ApplicationUpdated, this, new GenericEventArgs<PackageVersionInfo>
+            ApplicationUpdated?.Invoke(this, new GenericEventArgs<PackageVersionInfo>
             {
                 Argument = package
-
-            }, Logger);
+            });
 
             NotifyPendingRestart();
         }
diff --git a/Emby.Server.Implementations/Collections/CollectionManager.cs b/Emby.Server.Implementations/Collections/CollectionManager.cs
index d1afb0712a..d1d7931360 100644
--- a/Emby.Server.Implementations/Collections/CollectionManager.cs
+++ b/Emby.Server.Implementations/Collections/CollectionManager.cs
@@ -155,12 +155,11 @@ namespace Emby.Server.Implementations.Collections
                     _providerManager.QueueRefresh(collection.Id, new MetadataRefreshOptions(new DirectoryService(_logger, _fileSystem)), RefreshPriority.High);
                 }
 
-                EventHelper.FireEventIfNotNull(CollectionCreated, this, new CollectionCreatedEventArgs
+                CollectionCreated?.Invoke(this, new CollectionCreatedEventArgs
                 {
                     Collection = collection,
                     Options = options
-
-                }, _logger);
+                });
 
                 return collection;
             }
@@ -230,12 +229,11 @@ namespace Emby.Server.Implementations.Collections
 
                 if (fireEvent)
                 {
-                    EventHelper.FireEventIfNotNull(ItemsAddedToCollection, this, new CollectionModifiedEventArgs
+                    ItemsAddedToCollection?.Invoke(this, new CollectionModifiedEventArgs
                     {
                         Collection = collection,
                         ItemsChanged = itemList
-
-                    }, _logger);
+                    });
                 }
             }
         }
@@ -288,12 +286,11 @@ namespace Emby.Server.Implementations.Collections
                 ForceSave = true
             }, RefreshPriority.High);
 
-            EventHelper.FireEventIfNotNull(ItemsRemovedFromCollection, this, new CollectionModifiedEventArgs
+            ItemsRemovedFromCollection?.Invoke(this, new CollectionModifiedEventArgs
             {
                 Collection = collection,
                 ItemsChanged = itemList
-
-            }, _logger);
+            });
         }
 
         public IEnumerable<BaseItem> CollapseItemsWithinBoxSets(IEnumerable<BaseItem> items, User user)
diff --git a/Emby.Server.Implementations/Configuration/ServerConfigurationManager.cs b/Emby.Server.Implementations/Configuration/ServerConfigurationManager.cs
index 26a7c421fb..80a17a784f 100644
--- a/Emby.Server.Implementations/Configuration/ServerConfigurationManager.cs
+++ b/Emby.Server.Implementations/Configuration/ServerConfigurationManager.cs
@@ -143,7 +143,7 @@ namespace Emby.Server.Implementations.Configuration
             ValidateMetadataPath(newConfig);
             ValidateSslCertificate(newConfig);
 
-            EventHelper.FireEventIfNotNull(ConfigurationUpdating, this, new GenericEventArgs<ServerConfiguration> { Argument = newConfig }, Logger);
+            ConfigurationUpdating?.Invoke(this, new GenericEventArgs<ServerConfiguration> { Argument = newConfig });
 
             base.ReplaceConfiguration(newConfiguration);
         }
diff --git a/Emby.Server.Implementations/Devices/DeviceManager.cs b/Emby.Server.Implementations/Devices/DeviceManager.cs
index 82df96d8b5..f73521d0a0 100644
--- a/Emby.Server.Implementations/Devices/DeviceManager.cs
+++ b/Emby.Server.Implementations/Devices/DeviceManager.cs
@@ -254,14 +254,14 @@ namespace Emby.Server.Implementations.Devices
 
             if (CameraImageUploaded != null)
             {
-                EventHelper.FireEventIfNotNull(CameraImageUploaded, this, new GenericEventArgs<CameraImageUploadInfo>
+                CameraImageUploaded?.Invoke(this, new GenericEventArgs<CameraImageUploadInfo>
                 {
                     Argument = new CameraImageUploadInfo
                     {
                         Device = device,
                         FileInfo = file
                     }
-                }, _logger);
+                });
             }
         }
 
diff --git a/Emby.Server.Implementations/HttpServer/HttpListenerHost.cs b/Emby.Server.Implementations/HttpServer/HttpListenerHost.cs
index 704b7f8a6f..66b930a807 100644
--- a/Emby.Server.Implementations/HttpServer/HttpListenerHost.cs
+++ b/Emby.Server.Implementations/HttpServer/HttpListenerHost.cs
@@ -184,7 +184,7 @@ namespace Emby.Server.Implementations.HttpServer
 
             if (WebSocketConnected != null)
             {
-                EventHelper.FireEventIfNotNull(WebSocketConnected, this, new GenericEventArgs<IWebSocketConnection>(connection), _logger);
+                WebSocketConnected?.Invoke(this, new GenericEventArgs<IWebSocketConnection>(connection));
             }
         }
 
diff --git a/Emby.Server.Implementations/HttpServer/WebSocketConnection.cs b/Emby.Server.Implementations/HttpServer/WebSocketConnection.cs
index 8b5dfd4440..095675ec41 100644
--- a/Emby.Server.Implementations/HttpServer/WebSocketConnection.cs
+++ b/Emby.Server.Implementations/HttpServer/WebSocketConnection.cs
@@ -118,7 +118,7 @@ namespace Emby.Server.Implementations.HttpServer
 
         void socket_Closed(object sender, EventArgs e)
         {
-            EventHelper.FireEventIfNotNull(Closed, this, EventArgs.Empty, _logger);
+            Closed?.Invoke(this, EventArgs.Empty);
         }
 
         /// <summary>
diff --git a/Emby.Server.Implementations/IO/FileRefresher.cs b/Emby.Server.Implementations/IO/FileRefresher.cs
index df484d04c7..8c2a937a0b 100644
--- a/Emby.Server.Implementations/IO/FileRefresher.cs
+++ b/Emby.Server.Implementations/IO/FileRefresher.cs
@@ -133,7 +133,7 @@ namespace Emby.Server.Implementations.IO
             Logger.LogDebug("Timer stopped.");
 
             DisposeTimer();
-            EventHelper.FireEventIfNotNull(Completed, this, EventArgs.Empty, Logger);
+            Completed?.Invoke(this, EventArgs.Empty);
 
             try
             {
diff --git a/Emby.Server.Implementations/Library/UserDataManager.cs b/Emby.Server.Implementations/Library/UserDataManager.cs
index 62371799b6..d4e94244b7 100644
--- a/Emby.Server.Implementations/Library/UserDataManager.cs
+++ b/Emby.Server.Implementations/Library/UserDataManager.cs
@@ -77,15 +77,14 @@ namespace Emby.Server.Implementations.Library
             var cacheKey = GetCacheKey(userId, item.Id);
             _userData.AddOrUpdate(cacheKey, userData, (k, v) => userData);
 
-            EventHelper.FireEventIfNotNull(UserDataSaved, this, new UserDataSaveEventArgs
+            UserDataSaved?.Invoke(this, new UserDataSaveEventArgs
             {
                 Keys = keys,
                 UserData = userData,
                 SaveReason = reason,
                 UserId = user.Id,
                 Item = item
-
-            }, _logger);
+            });
         }
 
         /// <summary>
diff --git a/Emby.Server.Implementations/Library/UserManager.cs b/Emby.Server.Implementations/Library/UserManager.cs
index ed1fe87917..679116fc0a 100644
--- a/Emby.Server.Implementations/Library/UserManager.cs
+++ b/Emby.Server.Implementations/Library/UserManager.cs
@@ -134,7 +134,7 @@ namespace Emby.Server.Implementations.Library
         /// <param name="user">The user.</param>
         private void OnUserUpdated(User user)
         {
-            EventHelper.FireEventIfNotNull(UserUpdated, this, new GenericEventArgs<User> { Argument = user }, _logger);
+            UserUpdated?.Invoke(this, new GenericEventArgs<User> { Argument = user });
         }
         #endregion
 
@@ -149,7 +149,7 @@ namespace Emby.Server.Implementations.Library
         /// <param name="user">The user.</param>
         private void OnUserDeleted(User user)
         {
-            EventHelper.FireEventIfNotNull(UserDeleted, this, new GenericEventArgs<User> { Argument = user }, _logger);
+            UserDeleted?.Invoke(this, new GenericEventArgs<User> { Argument = user });
         }
         #endregion
 
@@ -470,10 +470,7 @@ namespace Emby.Server.Implementations.Library
 
                 if (fireLockout)
                 {
-                    if (UserLockedOut != null)
-                    {
-                        EventHelper.FireEventIfNotNull(UserLockedOut, this, new GenericEventArgs<User>(user), _logger);
-                    }
+                    UserLockedOut?.Invoke(this, new GenericEventArgs<User>(user));
                 }
             }
         }
@@ -819,7 +816,7 @@ namespace Emby.Server.Implementations.Library
 
             UpdateUser(user);
 
-            EventHelper.FireEventIfNotNull(UserPasswordChanged, this, new GenericEventArgs<User>(user), _logger);
+            UserPasswordChanged?.Invoke(this, new GenericEventArgs<User>(user));
         }
 
         public void ChangeEasyPassword(User user, string newPassword, string newPasswordHash)
@@ -843,7 +840,7 @@ namespace Emby.Server.Implementations.Library
 
             UpdateUser(user);
 
-            EventHelper.FireEventIfNotNull(UserPasswordChanged, this, new GenericEventArgs<User>(user), _logger);
+            UserPasswordChanged?.Invoke(this, new GenericEventArgs<User>(user));
         }
 
         /// <summary>
@@ -1087,7 +1084,7 @@ namespace Emby.Server.Implementations.Library
 
             if (fireEvent)
             {
-                EventHelper.FireEventIfNotNull(UserPolicyUpdated, this, new GenericEventArgs<User> { Argument = user }, _logger);
+                UserPolicyUpdated?.Invoke(this, new GenericEventArgs<User> { Argument = user });
             }
         }
 
@@ -1182,7 +1179,7 @@ namespace Emby.Server.Implementations.Library
 
             if (fireEvent)
             {
-                EventHelper.FireEventIfNotNull(UserConfigurationUpdated, this, new GenericEventArgs<User> { Argument = user }, _logger);
+                UserConfigurationUpdated?.Invoke(this, new GenericEventArgs<User> { Argument = user });
             }
         }
     }
diff --git a/Emby.Server.Implementations/LiveTv/EmbyTV/TimerManager.cs b/Emby.Server.Implementations/LiveTv/EmbyTV/TimerManager.cs
index 5618579f6f..7c705c70b0 100644
--- a/Emby.Server.Implementations/LiveTv/EmbyTV/TimerManager.cs
+++ b/Emby.Server.Implementations/LiveTv/EmbyTV/TimerManager.cs
@@ -122,7 +122,7 @@ namespace Emby.Server.Implementations.LiveTv.EmbyTV
 
             if (startDate < now)
             {
-                EventHelper.FireEventIfNotNull(TimerFired, this, new GenericEventArgs<TimerInfo> { Argument = item }, base.Logger);
+                TimerFired?.Invoke(this, new GenericEventArgs<TimerInfo> { Argument = item });
                 return;
             }
 
@@ -178,7 +178,7 @@ namespace Emby.Server.Implementations.LiveTv.EmbyTV
             var timer = GetAll().FirstOrDefault(i => string.Equals(i.Id, timerId, StringComparison.OrdinalIgnoreCase));
             if (timer != null)
             {
-                EventHelper.FireEventIfNotNull(TimerFired, this, new GenericEventArgs<TimerInfo> { Argument = timer }, base.Logger);
+                TimerFired?.Invoke(this, new GenericEventArgs<TimerInfo> { Argument = timer });
             }
         }
 
diff --git a/Emby.Server.Implementations/LiveTv/LiveTvManager.cs b/Emby.Server.Implementations/LiveTv/LiveTvManager.cs
index a4ffbd2fe8..5e6c17413a 100644
--- a/Emby.Server.Implementations/LiveTv/LiveTvManager.cs
+++ b/Emby.Server.Implementations/LiveTv/LiveTvManager.cs
@@ -144,13 +144,13 @@ namespace Emby.Server.Implementations.LiveTv
         {
             var timerId = e.Argument;
 
-            EventHelper.FireEventIfNotNull(TimerCancelled, this, new GenericEventArgs<TimerEventInfo>
+            TimerCancelled?.Invoke(this, new GenericEventArgs<TimerEventInfo>
             {
                 Argument = new TimerEventInfo
                 {
                     Id = timerId
                 }
-            }, _logger);
+            });
         }
 
         private void EmbyTv_TimerCreated(object sender, GenericEventArgs<TimerInfo> e)
@@ -158,14 +158,14 @@ namespace Emby.Server.Implementations.LiveTv
             var timer = e.Argument;
             var service = sender as ILiveTvService;
 
-            EventHelper.FireEventIfNotNull(TimerCreated, this, new GenericEventArgs<TimerEventInfo>
+            TimerCreated?.Invoke(this, new GenericEventArgs<TimerEventInfo>
             {
                 Argument = new TimerEventInfo
                 {
                     ProgramId = _tvDtoService.GetInternalProgramId(timer.ProgramId),
                     Id = timer.Id
                 }
-            }, _logger);
+            });
         }
 
         public ITunerHost[] TunerHosts
@@ -1734,13 +1734,13 @@ namespace Emby.Server.Implementations.LiveTv
 
             if (!(service is EmbyTV.EmbyTV))
             {
-                EventHelper.FireEventIfNotNull(TimerCancelled, this, new GenericEventArgs<TimerEventInfo>
+                TimerCancelled?.Invoke(this, new GenericEventArgs<TimerEventInfo>
                 {
                     Argument = new TimerEventInfo
                     {
                         Id = id
                     }
-                }, _logger);
+                });
             }
         }
 
@@ -1757,13 +1757,13 @@ namespace Emby.Server.Implementations.LiveTv
 
             await service.CancelSeriesTimerAsync(timer.ExternalId, CancellationToken.None).ConfigureAwait(false);
 
-            EventHelper.FireEventIfNotNull(SeriesTimerCancelled, this, new GenericEventArgs<TimerEventInfo>
+            SeriesTimerCancelled?.Invoke(this, new GenericEventArgs<TimerEventInfo>
             {
                 Argument = new TimerEventInfo
                 {
                     Id = id
                 }
-            }, _logger);
+            });
         }
 
         public async Task<TimerInfoDto> GetTimer(string id, CancellationToken cancellationToken)
@@ -2083,14 +2083,14 @@ namespace Emby.Server.Implementations.LiveTv
 
             if (!(service is EmbyTV.EmbyTV))
             {
-                EventHelper.FireEventIfNotNull(TimerCreated, this, new GenericEventArgs<TimerEventInfo>
+                TimerCreated?.Invoke(this, new GenericEventArgs<TimerEventInfo>
                 {
                     Argument = new TimerEventInfo
                     {
                         ProgramId = _tvDtoService.GetInternalProgramId(info.ProgramId),
                         Id = newTimerId
                     }
-                }, _logger);
+                });
             }
         }
 
@@ -2123,14 +2123,14 @@ namespace Emby.Server.Implementations.LiveTv
                 await service.CreateSeriesTimerAsync(info, cancellationToken).ConfigureAwait(false);
             }
 
-            EventHelper.FireEventIfNotNull(SeriesTimerCreated, this, new GenericEventArgs<TimerEventInfo>
+            SeriesTimerCreated?.Invoke(this, new GenericEventArgs<TimerEventInfo>
             {
                 Argument = new TimerEventInfo
                 {
                     ProgramId = _tvDtoService.GetInternalProgramId(info.ProgramId),
                     Id = newTimerId
                 }
-            }, _logger);
+            });
         }
 
         public async Task UpdateTimer(TimerInfoDto timer, CancellationToken cancellationToken)
diff --git a/Emby.Server.Implementations/ScheduledTasks/ScheduledTaskWorker.cs b/Emby.Server.Implementations/ScheduledTasks/ScheduledTaskWorker.cs
index 7c2ce4af3a..c7b43cf578 100644
--- a/Emby.Server.Implementations/ScheduledTasks/ScheduledTaskWorker.cs
+++ b/Emby.Server.Implementations/ScheduledTasks/ScheduledTaskWorker.cs
@@ -465,11 +465,10 @@ namespace Emby.Server.Implementations.ScheduledTasks
 
             CurrentProgress = e;
 
-            EventHelper.FireEventIfNotNull(TaskProgress, this, new GenericEventArgs<double>
+            TaskProgress?.Invoke(this, new GenericEventArgs<double>
             {
                 Argument = e
-
-            }, Logger);
+            });
         }
 
         /// <summary>
diff --git a/Emby.Server.Implementations/ScheduledTasks/TaskManager.cs b/Emby.Server.Implementations/ScheduledTasks/TaskManager.cs
index 0322583dcc..c4b6e92e36 100644
--- a/Emby.Server.Implementations/ScheduledTasks/TaskManager.cs
+++ b/Emby.Server.Implementations/ScheduledTasks/TaskManager.cs
@@ -331,11 +331,10 @@ namespace Emby.Server.Implementations.ScheduledTasks
         /// <param name="task">The task.</param>
         internal void OnTaskExecuting(IScheduledTaskWorker task)
         {
-            EventHelper.FireEventIfNotNull(TaskExecuting, this, new GenericEventArgs<IScheduledTaskWorker>
+            TaskExecuting?.Invoke(this, new GenericEventArgs<IScheduledTaskWorker>
             {
                 Argument = task
-
-            }, Logger);
+            });
         }
 
         /// <summary>
@@ -345,12 +344,11 @@ namespace Emby.Server.Implementations.ScheduledTasks
         /// <param name="result">The result.</param>
         internal void OnTaskCompleted(IScheduledTaskWorker task, TaskResult result)
         {
-            EventHelper.FireEventIfNotNull(TaskCompleted, task, new TaskCompletionEventArgs
+            TaskCompleted?.Invoke(task, new TaskCompletionEventArgs
             {
                 Result = result,
                 Task = task
-
-            }, Logger);
+            });
 
             ExecuteQueuedTasks();
         }
diff --git a/Emby.Server.Implementations/Session/SessionManager.cs b/Emby.Server.Implementations/Session/SessionManager.cs
index 2b2b3c6779..eeb15b3056 100644
--- a/Emby.Server.Implementations/Session/SessionManager.cs
+++ b/Emby.Server.Implementations/Session/SessionManager.cs
@@ -255,11 +255,10 @@ namespace Emby.Server.Implementations.Session
 
             if ((activityDate - lastActivityDate).TotalSeconds > 10)
             {
-                EventHelper.FireEventIfNotNull(SessionActivity, this, new SessionEventArgs
+                SessionActivity?.Invoke(this, new SessionEventArgs
                 {
                     SessionInfo = session
-
-                }, _logger);
+                });
             }
 
             return session;
@@ -693,7 +692,7 @@ namespace Emby.Server.Implementations.Session
                 }
             }
 
-            EventHelper.FireEventIfNotNull(PlaybackProgress, this, new PlaybackProgressEventArgs
+            PlaybackProgress?.Invoke(this, new PlaybackProgressEventArgs
             {
                 Item = libraryItem,
                 Users = users,
@@ -707,8 +706,7 @@ namespace Emby.Server.Implementations.Session
                 PlaySessionId = info.PlaySessionId,
                 IsAutomated = isAutomated,
                 Session = session
-
-            }, _logger);
+            });
 
             if (!isAutomated)
             {
@@ -1399,7 +1397,7 @@ namespace Emby.Server.Implementations.Session
 
                 if (result == null)
                 {
-                    EventHelper.FireEventIfNotNull(AuthenticationFailed, this, new GenericEventArgs<AuthenticationRequest>(request), _logger);
+                    AuthenticationFailed?.Invoke(this, new GenericEventArgs<AuthenticationRequest>(request));
 
                     throw new SecurityException("Invalid user or password entered.");
                 }
@@ -1424,7 +1422,7 @@ namespace Emby.Server.Implementations.Session
                 ServerId = _appHost.SystemId
             };
 
-            EventHelper.FireEventIfNotNull(AuthenticationSucceeded, this, new GenericEventArgs<AuthenticationResult>(returnResult), _logger);
+            AuthenticationSucceeded?.Invoke(this, new GenericEventArgs<AuthenticationResult>(returnResult));
 
             return returnResult;
         }
@@ -1587,11 +1585,10 @@ namespace Emby.Server.Implementations.Session
 
             if (saveCapabilities)
             {
-                EventHelper.FireEventIfNotNull(CapabilitiesChanged, this, new SessionEventArgs
+                CapabilitiesChanged?.Invoke(this, new SessionEventArgs
                 {
                     SessionInfo = session
-
-                }, _logger);
+                });
 
                 try
                 {
diff --git a/Emby.Server.Implementations/Updates/InstallationManager.cs b/Emby.Server.Implementations/Updates/InstallationManager.cs
index 27741863b5..bf47b63ea1 100644
--- a/Emby.Server.Implementations/Updates/InstallationManager.cs
+++ b/Emby.Server.Implementations/Updates/InstallationManager.cs
@@ -60,7 +60,7 @@ namespace Emby.Server.Implementations.Updates
         /// <param name="plugin">The plugin.</param>
         private void OnPluginUninstalled(IPlugin plugin)
         {
-            EventHelper.FireEventIfNotNull(PluginUninstalled, this, new GenericEventArgs<IPlugin> { Argument = plugin }, _logger);
+            PluginUninstalled?.Invoke(this, new GenericEventArgs<IPlugin> { Argument = plugin });
         }
         #endregion
 
@@ -78,7 +78,7 @@ namespace Emby.Server.Implementations.Updates
         {
             _logger.LogInformation("Plugin updated: {0} {1} {2}", newVersion.name, newVersion.versionStr ?? string.Empty, newVersion.classification);
 
-            EventHelper.FireEventIfNotNull(PluginUpdated, this, new GenericEventArgs<Tuple<IPlugin, PackageVersionInfo>> { Argument = new Tuple<IPlugin, PackageVersionInfo>(plugin, newVersion) }, _logger);
+            PluginUpdated?.Invoke(this, new GenericEventArgs<Tuple<IPlugin, PackageVersionInfo>> { Argument = new Tuple<IPlugin, PackageVersionInfo>(plugin, newVersion) });
 
             _applicationHost.NotifyPendingRestart();
         }
@@ -97,7 +97,7 @@ namespace Emby.Server.Implementations.Updates
         {
             _logger.LogInformation("New plugin installed: {0} {1} {2}", package.name, package.versionStr ?? string.Empty, package.classification);
 
-            EventHelper.FireEventIfNotNull(PluginInstalled, this, new GenericEventArgs<PackageVersionInfo> { Argument = package }, _logger);
+            PluginInstalled?.Invoke(this, new GenericEventArgs<PackageVersionInfo> { Argument = package });
 
             _applicationHost.NotifyPendingRestart();
         }
@@ -469,7 +469,7 @@ namespace Emby.Server.Implementations.Updates
                 PackageVersionInfo = package
             };
 
-            EventHelper.FireEventIfNotNull(PackageInstalling, this, installationEventArgs, _logger);
+            PackageInstalling?.Invoke(this, installationEventArgs);
 
             try
             {
@@ -482,7 +482,7 @@ namespace Emby.Server.Implementations.Updates
 
                 CompletedInstallationsInternal.Add(installationInfo);
 
-                EventHelper.FireEventIfNotNull(PackageInstallationCompleted, this, installationEventArgs, _logger);
+                PackageInstallationCompleted?.Invoke(this, installationEventArgs);
             }
             catch (OperationCanceledException)
             {
@@ -493,7 +493,7 @@ namespace Emby.Server.Implementations.Updates
 
                 _logger.LogInformation("Package installation cancelled: {0} {1}", package.name, package.versionStr);
 
-                EventHelper.FireEventIfNotNull(PackageInstallationCancelled, this, installationEventArgs, _logger);
+                PackageInstallationCancelled?.Invoke(this, installationEventArgs);
 
                 throw;
             }
@@ -506,12 +506,11 @@ namespace Emby.Server.Implementations.Updates
                     CurrentInstallations.Remove(tuple);
                 }
 
-                EventHelper.FireEventIfNotNull(PackageInstallationFailed, this, new InstallationFailedEventArgs
+                PackageInstallationFailed?.Invoke(this, new InstallationFailedEventArgs
                 {
                     InstallationInfo = installationInfo,
                     Exception = ex
-
-                }, _logger);
+                });
 
                 throw;
             }
diff --git a/Jellyfin.Server/SocketSharp/SharpWebSocket.cs b/Jellyfin.Server/SocketSharp/SharpWebSocket.cs
index 1c72035a55..056dabd175 100644
--- a/Jellyfin.Server/SocketSharp/SharpWebSocket.cs
+++ b/Jellyfin.Server/SocketSharp/SharpWebSocket.cs
@@ -55,15 +55,15 @@ namespace Jellyfin.SocketSharp
 
         void socket_OnError(object sender, SocketHttpListener.ErrorEventArgs e)
         {
-            _logger.LogError("Error in SharpWebSocket: {0}", e.Message ?? string.Empty);
-            //EventHelper.FireEventIfNotNull(Closed, this, EventArgs.Empty, _logger);
+            _logger.LogError("Error in SharpWebSocket: {Message}", e.Message ?? string.Empty);
+            //Closed?.Invoke(this, EventArgs.Empty);
         }
 
         void socket_OnClose(object sender, SocketHttpListener.CloseEventArgs e)
         {
             _taskCompletionSource.TrySetResult(true);
 
-            EventHelper.FireEventIfNotNull(Closed, this, EventArgs.Empty, _logger);
+            Closed?.Invoke(this, EventArgs.Empty);
         }
 
         void socket_OnMessage(object sender, SocketHttpListener.MessageEventArgs e)
diff --git a/MediaBrowser.Common/Events/EventHelper.cs b/MediaBrowser.Common/Events/EventHelper.cs
index 04a2270e3d..2630ce7da9 100644
--- a/MediaBrowser.Common/Events/EventHelper.cs
+++ b/MediaBrowser.Common/Events/EventHelper.cs
@@ -4,6 +4,7 @@ using System.Threading.Tasks;
 
 namespace MediaBrowser.Common.Events
 {
+    // TODO: @bond Remove
     /// <summary>
     /// Class EventHelper
     /// </summary>
@@ -59,50 +60,5 @@ namespace MediaBrowser.Common.Events
                 });
             }
         }
-
-        /// <summary>
-        /// Fires the event.
-        /// </summary>
-        /// <param name="handler">The handler.</param>
-        /// <param name="sender">The sender.</param>
-        /// <param name="args">The <see cref="EventArgs" /> instance containing the event data.</param>
-        /// <param name="logger">The logger.</param>
-        public static void FireEventIfNotNull(EventHandler handler, object sender, EventArgs args, ILogger logger)
-        {
-            if (handler != null)
-            {
-                try
-                {
-                    handler(sender, args);
-                }
-                catch (Exception ex)
-                {
-                    logger.LogError(ex, "Error in event handler");
-                }
-            }
-        }
-
-        /// <summary>
-        /// Fires the event.
-        /// </summary>
-        /// <typeparam name="T"></typeparam>
-        /// <param name="handler">The handler.</param>
-        /// <param name="sender">The sender.</param>
-        /// <param name="args">The args.</param>
-        /// <param name="logger">The logger.</param>
-        public static void FireEventIfNotNull<T>(EventHandler<T> handler, object sender, T args, ILogger logger)
-        {
-            if (handler != null)
-            {
-                try
-                {
-                    handler(sender, args);
-                }
-                catch (Exception ex)
-                {
-                    logger.LogError(ex, "Error in event handler");
-                }
-            }
-        }
     }
 }
diff --git a/MediaBrowser.Providers/Subtitles/SubtitleManager.cs b/MediaBrowser.Providers/Subtitles/SubtitleManager.cs
index 2cf737511d..4f08d2150e 100644
--- a/MediaBrowser.Providers/Subtitles/SubtitleManager.cs
+++ b/MediaBrowser.Providers/Subtitles/SubtitleManager.cs
@@ -189,13 +189,12 @@ namespace MediaBrowser.Providers.Subtitles
             }
             catch (Exception ex)
             {
-                EventHelper.FireEventIfNotNull(SubtitleDownloadFailure, this, new SubtitleDownloadFailureEventArgs
+                SubtitleDownloadFailure?.Invoke(this, new SubtitleDownloadFailureEventArgs
                 {
                     Item = video,
                     Exception = ex,
                     Provider = provider.Name
-
-                }, _logger);
+                });
 
                 throw;
             }