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LibWeb: Make HTML::SharedImageRequest GC allocated

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This allows to partially solve the problem of cyclic dependency between
HTMLImageElement and SharedImageRequest that prevents all image
elements from being deallocated.
This commit is contained in:
Aliaksandr Kalenik
2023-08-18 14:11:55 +02:00
committed by Andreas Kling
parent bbfedf2e5a
commit 934afcb9d5
9 changed files with 46 additions and 18 deletions
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10
Userland/Libraries/LibWeb/HTML/SharedImageRequest.cpp
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@@ -24,11 +24,11 @@ static HashMap<AK::URL, SharedImageRequest*>& shared_image_requests()
return requests;
}
ErrorOr<NonnullRefPtr<SharedImageRequest>> SharedImageRequest::get_or_create(Page& page, AK::URL const& url)
JS::NonnullGCPtr<SharedImageRequest> SharedImageRequest::get_or_create(JS::Realm& realm, Page& page, AK::URL const& url)
{
if (auto it = shared_image_requests().find(url); it != shared_image_requests().end())
return *it->value;
auto request = TRY(adopt_nonnull_ref_or_enomem(new (nothrow) SharedImageRequest(page, url)));
auto request = realm.heap().allocate<SharedImageRequest>(realm, page, url);
shared_image_requests().set(url, request);
return request;
}
@@ -44,6 +44,12 @@ SharedImageRequest::~SharedImageRequest()
shared_image_requests().remove(m_url);
}
void SharedImageRequest::visit_edges(JS::Cell::Visitor& visitor)
{
Base::visit_edges(visitor);
visitor.visit(m_fetch_controller);
}
RefPtr<DecodedImageData const> SharedImageRequest::image_data() const
{
return m_image_data;