From 2a8b71a89c6fef3edeb2e6206384f057808d6e77 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Mon, 17 Nov 2025 09:23:28 +0000
Subject: [PATCH] Add theme toggle support to all WebView2-based image panels

Co-authored-by: emako <24737061+emako@users.noreply.github.com>
---
 .../Webview/Lottie/LottieImagePanel.cs                      | 4 ++++
 .../Webview/Svg/SvgImagePanel.cs                            | 2 +-
 .../Webview/Svga/SvgaImagePanel.cs                          | 4 ++++
 .../Webview/Tgs/TgsImagePanel.cs                            | 4 ++++
 .../QuickLook.Plugin.ImageViewer/Webview/WebHandler.cs      | 6 +++---
 5 files changed, 16 insertions(+), 4 deletions(-)

diff --git a/QuickLook.Plugin/QuickLook.Plugin.ImageViewer/Webview/Lottie/LottieImagePanel.cs b/QuickLook.Plugin/QuickLook.Plugin.ImageViewer/Webview/Lottie/LottieImagePanel.cs
index 1c4aa2a..82d70bd 100644
--- a/QuickLook.Plugin/QuickLook.Plugin.ImageViewer/Webview/Lottie/LottieImagePanel.cs
+++ b/QuickLook.Plugin/QuickLook.Plugin.ImageViewer/Webview/Lottie/LottieImagePanel.cs
@@ -35,6 +35,10 @@ public class LottieImagePanel : SvgImagePanel
         ObjectForScripting ??= new ScriptHandler(path);
 
         _homePage = _resources["/lottie2html.html"];
+        
+        // Update WebView2 background color based on current theme
+        UpdateWebViewBackgroundColor();
+        
         NavigateToUri(new Uri("file://quicklook/"));
     }
 
diff --git a/QuickLook.Plugin/QuickLook.Plugin.ImageViewer/Webview/Svg/SvgImagePanel.cs b/QuickLook.Plugin/QuickLook.Plugin.ImageViewer/Webview/Svg/SvgImagePanel.cs
index d90facd..8252bfa 100644
--- a/QuickLook.Plugin/QuickLook.Plugin.ImageViewer/Webview/Svg/SvgImagePanel.cs
+++ b/QuickLook.Plugin/QuickLook.Plugin.ImageViewer/Webview/Svg/SvgImagePanel.cs
@@ -126,7 +126,7 @@ public partial class SvgImagePanel : UserControl, IWebImagePanel
         UpdateWebViewBackgroundColor();
     }
 
-    private void UpdateWebViewBackgroundColor()
+    protected void UpdateWebViewBackgroundColor()
     {
         if (_webView == null) return;
 
diff --git a/QuickLook.Plugin/QuickLook.Plugin.ImageViewer/Webview/Svga/SvgaImagePanel.cs b/QuickLook.Plugin/QuickLook.Plugin.ImageViewer/Webview/Svga/SvgaImagePanel.cs
index 27e0857..ab4ccf6 100644
--- a/QuickLook.Plugin/QuickLook.Plugin.ImageViewer/Webview/Svga/SvgaImagePanel.cs
+++ b/QuickLook.Plugin/QuickLook.Plugin.ImageViewer/Webview/Svga/SvgaImagePanel.cs
@@ -34,6 +34,10 @@ public class SvgaImagePanel(IWebMetaProvider metaWeb) : SvgImagePanel()
         ObjectForScripting ??= new ScriptHandler(path, _metaWeb);
 
         _homePage = _resources["/svga2html.html"];
+        
+        // Update WebView2 background color based on current theme
+        UpdateWebViewBackgroundColor();
+        
         NavigateToUri(new Uri("file://quicklook/"));
     }
 }
diff --git a/QuickLook.Plugin/QuickLook.Plugin.ImageViewer/Webview/Tgs/TgsImagePanel.cs b/QuickLook.Plugin/QuickLook.Plugin.ImageViewer/Webview/Tgs/TgsImagePanel.cs
index 10da24d..49d38ce 100644
--- a/QuickLook.Plugin/QuickLook.Plugin.ImageViewer/Webview/Tgs/TgsImagePanel.cs
+++ b/QuickLook.Plugin/QuickLook.Plugin.ImageViewer/Webview/Tgs/TgsImagePanel.cs
@@ -35,6 +35,10 @@ public class TgsImagePanel : SvgImagePanel
         ObjectForScripting ??= new TgsScriptHandler(path);
 
         _homePage = _resources["/lottie2html.html"];
+        
+        // Update WebView2 background color based on current theme
+        UpdateWebViewBackgroundColor();
+        
         NavigateToUri(new Uri("file://quicklook/"));
     }
 
diff --git a/QuickLook.Plugin/QuickLook.Plugin.ImageViewer/Webview/WebHandler.cs b/QuickLook.Plugin/QuickLook.Plugin.ImageViewer/Webview/WebHandler.cs
index c04978c..839dda9 100644
--- a/QuickLook.Plugin/QuickLook.Plugin.ImageViewer/Webview/WebHandler.cs
+++ b/QuickLook.Plugin/QuickLook.Plugin.ImageViewer/Webview/WebHandler.cs
@@ -103,9 +103,9 @@ internal static class WebHandler
             ipWeb = ext switch
             {
                 ".svg" => new SvgImagePanel() { ContextObject = context },
-                ".svga" => new SvgaImagePanel(metaWeb),
-                ".lottie" or ".json" => new LottieImagePanel(),
-                ".tgs" => new TgsImagePanel(),
+                ".svga" => new SvgaImagePanel(metaWeb) { ContextObject = context },
+                ".lottie" or ".json" => new LottieImagePanel() { ContextObject = context },
+                ".tgs" => new TgsImagePanel() { ContextObject = context },
                 _ => throw new NotSupportedException($"Unsupported file type: {ext}")
             };