code_style: use nameof(ActualThemeVariant) instead of const string

Signed-off-by: leo <[email protected]>

Author: love-linger

src/Views/Blame.axaml.cs

@@ -366,7 +366,7 @@ protected override void OnPropertyChanged(AvaloniaPropertyChangedEventArgs chang
             {
                 Options.IndentationSize = TabWidth;
             }
-            else if (change.Property.Name == "ActualThemeVariant" && change.NewValue != null)
+            else if (change.Property.Name == nameof(ActualThemeVariant) && change.NewValue != null)
             {
                 Models.TextMateHelper.SetThemeByApp(_textMate);
             }

src/Views/ChangeStatusIcon.cs

@@ -84,7 +84,7 @@ protected override void OnPropertyChanged(AvaloniaPropertyChangedEventArgs chang
 
             if (change.Property == IsUnstagedChangeProperty ||
                 change.Property == ChangeProperty ||
-                (change.Property.Name == "ActualThemeVariant" && change.NewValue != null))
+                (change.Property.Name == nameof(ActualThemeVariant) && change.NewValue != null))
                 InvalidateVisual();
         }
     }

src/Views/ImageContainer.cs

@@ -42,7 +42,7 @@ protected override void OnPropertyChanged(AvaloniaPropertyChangedEventArgs chang
         {
             base.OnPropertyChanged(change);
 
-            if (change.Property.Name == "ActualThemeVariant")
+            if (change.Property.Name == nameof(ActualThemeVariant) && change.NewValue != null)
             {
                 _bgBrush = null;
                 InvalidateVisual();

src/Views/LauncherTabBar.axaml.cs

@@ -157,7 +157,7 @@ protected override void OnPropertyChanged(AvaloniaPropertyChangedEventArgs chang
         {
             base.OnPropertyChanged(change);
 
-            if (change.Property.Name == nameof(ActualThemeVariant))
+            if (change.Property.Name == nameof(ActualThemeVariant) && change.NewValue != null)
                 InvalidateVisual();
         }
 

src/Views/TextDiffView.axaml.cs

@@ -568,7 +568,7 @@ protected override void OnPropertyChanged(AvaloniaPropertyChangedEventArgs chang
             {
                 Models.TextMateHelper.SetGrammarByFileName(_textMate, FileName);
             }
-            else if (change.Property.Name == "ActualThemeVariant" && change.NewValue != null)
+            else if (change.Property.Name == nameof(ActualThemeVariant) && change.NewValue != null)
             {
                 Models.TextMateHelper.SetThemeByApp(_textMate);
             }