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LibWeb: Make the layout tree GC-allocated

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This removes a set of complex reference cycles between DOM, layout tree
and browsing context.

It also makes lifetimes much easier to reason about, as the DOM and
layout trees are now free to keep each other alive.
This commit is contained in:
Andreas Kling 2022-10-17 14:41:50 +02:00
commit 268b9c5d90
Notes: sideshowbarker 2024-07-17 05:17:13 +09:00
72 changed files with 258 additions and 207 deletions
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2
Userland/Libraries/LibWeb/HTML/HTMLIFrameElement.h
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@ -16,7 +16,7 @@ class HTMLIFrameElement final : public BrowsingContextContainer {
public:
virtual ~HTMLIFrameElement() override;
virtual RefPtr<Layout::Node> create_layout_node(NonnullRefPtr<CSS::StyleProperties>) override;
virtual JS::GCPtr<Layout::Node> create_layout_node(NonnullRefPtr<CSS::StyleProperties>) override;
// https://html.spec.whatwg.org/multipage/urls-and-fetching.html#will-lazy-load-element-steps
bool will_lazy_load_element() const;