LibWeb: Move "visible in viewport" state tracking to ImageLoader

This should technically apply to any LayoutImage, so let's just move
it to ImageLoader.

2 files changed, 4 insertions, 4 deletions

diff --git a/Libraries/LibWeb/Loader/ImageLoader.cpp b/Libraries/LibWeb/Loader/ImageLoader.cpp
index e3e3502805..a6b3ecae58 100644
--- a/Libraries/LibWeb/Loader/ImageLoader.cpp
+++ b/Libraries/LibWeb/Loader/ImageLoader.cpp
@@ -44,7 +44,7 @@ void ImageLoader::load(const URL& url)
     set_resource(ResourceLoader::the().load_resource(Resource::Type::Image, request));
 }
 
-void ImageLoader::set_visible_in_viewport(bool visible_in_viewport)
+void ImageLoader::set_visible_in_viewport(bool visible_in_viewport) const
 {
     if (m_visible_in_viewport == visible_in_viewport)
         return;
@@ -54,7 +54,7 @@ void ImageLoader::set_visible_in_viewport(bool visible_in_viewport)
     //        the whole document, updating "is visible in viewport" flags, and this could lead
     //        to the same bitmap being marked volatile back and forth unnecessarily.
     if (resource())
-        resource()->update_volatility();
+        const_cast<ImageResource*>(resource())->update_volatility();
 }
 
 void ImageLoader::resource_did_load()
diff --git a/Libraries/LibWeb/Loader/ImageLoader.h b/Libraries/LibWeb/Loader/ImageLoader.h
index 14c8cd3288..71cd48ff64 100644
--- a/Libraries/LibWeb/Loader/ImageLoader.h
+++ b/Libraries/LibWeb/Loader/ImageLoader.h
@@ -41,7 +41,7 @@ public:
     const Gfx::Bitmap* bitmap() const;
     const Gfx::ImageDecoder* image_decoder() const;
 
-    void set_visible_in_viewport(bool);
+    void set_visible_in_viewport(bool) const;
 
     Function<void()> on_load;
     Function<void()> on_fail;
@@ -57,7 +57,7 @@ private:
     void animate();
 
     RefPtr<Gfx::ImageDecoder> m_decoder;
-    bool m_visible_in_viewport { false };
+    mutable bool m_visible_in_viewport { false };
 
     size_t m_current_frame_index { 0 };
     size_t m_loops_completed { 0 };