mirror of
https://github.com/RGBCube/serenity
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bdac94870c
By using a virtual function and overriding it on HTMLSlotElement, we shrink every DOM element by 24 bytes. :^)
61 lines
1.8 KiB
C++
61 lines
1.8 KiB
C++
/*
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* Copyright (c) 2020, the SerenityOS developers.
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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 <AK/Variant.h>
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#include <AK/Vector.h>
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#include <LibJS/Heap/Handle.h>
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#include <LibWeb/DOM/Slot.h>
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#include <LibWeb/DOM/Slottable.h>
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#include <LibWeb/HTML/HTMLElement.h>
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namespace Web::HTML {
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struct AssignedNodesOptions {
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bool flatten { false };
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};
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class HTMLSlotElement final
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: public HTMLElement
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, public DOM::Slot {
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WEB_PLATFORM_OBJECT(HTMLSlotElement, HTMLElement);
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JS_DECLARE_ALLOCATOR(HTMLSlotElement);
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public:
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virtual ~HTMLSlotElement() override;
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Vector<JS::Handle<DOM::Node>> assigned_nodes(AssignedNodesOptions options = {});
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Vector<JS::Handle<DOM::Element>> assigned_elements(AssignedNodesOptions options = {});
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using SlottableHandle = Variant<JS::Handle<DOM::Element>, JS::Handle<DOM::Text>>;
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void assign(Vector<SlottableHandle> nodes);
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ReadonlySpan<DOM::Slottable> manually_assigned_nodes() const { return m_manually_assigned_nodes; }
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private:
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HTMLSlotElement(DOM::Document&, DOM::QualifiedName);
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virtual bool is_html_slot_element() const override { return true; }
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virtual void initialize(JS::Realm&) override;
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virtual void visit_edges(JS::Cell::Visitor&) override;
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virtual void attribute_change_steps(FlyString const& local_name, Optional<String> const& old_value, Optional<String> const& value, Optional<FlyString> const& namespace_) override;
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// https://html.spec.whatwg.org/multipage/scripting.html#manually-assigned-nodes
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Vector<DOM::Slottable> m_manually_assigned_nodes;
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};
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}
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namespace Web::DOM {
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template<>
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inline bool Node::fast_is<HTML::HTMLSlotElement>() const { return is_html_slot_element(); }
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}
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