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https://github.com/LadybirdBrowser/ladybird
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568b7ce7ea
The Paintable tree and its supplemental painting data structures were GC allocated because that was the easiest way to manage it and avoid leaks introduced by ref cycles. This included the Paintable subclasses themselves plus StackingContext, ChromeWidget, Scrollbar, ResizeHandle, and scroll-frame state. We are now trying to reduce GC allocation churn on layout and painting updates, so keeping this short-lived rendering tree outside the JS heap is a better fit. Move Paintable to RefCountedTreeNode, make painting helpers ref-counted or weakly reference Paintables, and update the layout and event-handler call sites to use RefPtr/WeakPtr ownership.
32 lines
729 B
C++
32 lines
729 B
C++
/*
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* Copyright (c) 2023, Tim Flynn <trflynn89@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <LibWeb/Forward.h>
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#include <LibWeb/Layout/ReplacedBox.h>
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namespace Web::Layout {
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class VideoBox final : public ReplacedBox {
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GC_CELL(VideoBox, ReplacedBox);
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GC_DECLARE_ALLOCATOR(VideoBox);
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public:
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HTML::HTMLVideoElement& dom_node();
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HTML::HTMLVideoElement const& dom_node() const;
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virtual bool can_have_children() const override;
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virtual RefPtr<Painting::Paintable> create_paintable() const override;
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private:
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VideoBox(DOM::Document&, DOM::Element&, GC::Ref<CSS::ComputedProperties>);
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virtual CSS::SizeWithAspectRatio natural_size() const override;
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};
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}
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