Add afterload event for LoadDefaultConfig

Wox.Infrastructure/Storage/BaseStorage.cs

@@ -44,7 +44,10 @@ namespace Wox.Infrastructure.Storage
             }
         }
 
-        protected virtual void LoadDefaultConfig() { }
+        protected virtual T LoadDefaultConfig()
+        {
+            return storage;
+        }
 
         private void Load()
         {
@@ -61,19 +64,17 @@ namespace Wox.Infrastructure.Storage
                 try
                 {
                     storage = JsonConvert.DeserializeObject<T>(json);
-                    OnAfterLoadConfig(storage);
                 }
                 catch (Exception)
                 {
-                    //no-op
-                    LoadDefaultConfig();
+                    storage = LoadDefaultConfig();
                 }
             }
             else
             {
-                LoadDefaultConfig();
+                storage = LoadDefaultConfig();
             }
-
+            OnAfterLoadConfig(storage);
         }
 
         public void Save()

Wox.Infrastructure/Storage/UserSettings/UserSettingStorage.cs

@@ -143,7 +143,7 @@ namespace Wox.Infrastructure.Storage.UserSettings
             get { return "config"; }
         }
 
-        protected override void LoadDefaultConfig()
+        protected override UserSettingStorage LoadDefaultConfig()
         {
             Theme = "Dark";
             ReplaceWinR = true;
@@ -157,6 +157,8 @@ namespace Wox.Infrastructure.Storage.UserSettings
             OpacityMode = OpacityMode.Normal;
             LeaveCmdOpen = false;
             HideWhenDeactive = false;
+
+            return this;
         }
 
         protected override void OnAfterLoadConfig(UserSettingStorage storage)