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LibWeb: Make HTML::DecodedImageData to be GC-allocated

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This change fixes GC-leak caused by following mutual dependency:
- SVGDecodedImageData owns JS::Handle for Page.
- SVGDecodedImageData is owned by visited objects.
by making everything inherited from HTML::DecodedImageData and
ListOfAvailableImages to be GC-allocated.

Generally, if visited object has a handle, very likely we leak
everything visited from object in a handle.
This commit is contained in:
Aliaksandr Kalenik
2023-12-12 20:07:19 +01:00
committed by Andreas Kling
parent 57a04c536c
commit 41a3c19cfe
18 changed files with 100 additions and 54 deletions
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11
Userland/Libraries/LibWeb/HTML/SharedImageRequest.cpp
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@@ -56,9 +56,10 @@ void SharedImageRequest::visit_edges(JS::Cell::Visitor& visitor)
visitor.visit(callback.on_finish);
visitor.visit(callback.on_fail);
}
visitor.visit(m_image_data);
}
RefPtr<DecodedImageData const> SharedImageRequest::image_data() const
JS::GCPtr<DecodedImageData> SharedImageRequest::image_data() const
{
return m_image_data;
}
@@ -137,7 +138,7 @@ void SharedImageRequest::handle_successful_fetch(AK::URL const& url_string, Stri
bool const is_svg_image = mime_type == "image/svg+xml"sv || url_string.basename().ends_with(".svg"sv);
RefPtr<DecodedImageData> image_data;
JS::GCPtr<DecodedImageData> image_data;
auto handle_failed_decode = [&] {
m_state = State::Failed;
@@ -148,7 +149,7 @@ void SharedImageRequest::handle_successful_fetch(AK::URL const& url_string, Stri
};
if (is_svg_image) {
auto result = SVG::SVGDecodedImageData::create(m_page, url_string, data);
auto result = SVG::SVGDecodedImageData::create(m_document->realm(), m_page, url_string, data);
if (result.is_error())
return handle_failed_decode();
@@ -165,10 +166,10 @@ void SharedImageRequest::handle_successful_fetch(AK::URL const& url_string, Stri
.duration = static_cast<int>(frame.duration),
});
}
image_data = AnimatedBitmapDecodedImageData::create(move(frames), result.value().loop_count, result.value().is_animated).release_value_but_fixme_should_propagate_errors();
image_data = AnimatedBitmapDecodedImageData::create(m_document->realm(), move(frames), result.value().loop_count, result.value().is_animated).release_value_but_fixme_should_propagate_errors();
}
m_image_data = move(image_data);
m_image_data = image_data;
m_state = State::Finished;