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LibWeb: Implement manual slottable assignment

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This implements manual slottable assignment by way of HTMLSlotElement's
`assign` API. This includes all of the slottable-related AOs needed to
perform the assignment.
This commit is contained in:
Timothy Flynn 2023-09-05 15:05:46 -04:00 • committed by Andreas Kling
parent 7870f10aa8
commit e9da74ebe0
5 changed files with 254 additions and 1 deletions
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19
Userland/Libraries/LibWeb/HTML/HTMLSlotElement.h
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@ -7,11 +7,19 @@
#pragma once
#include <AK/Variant.h>
#include <AK/Vector.h>
#include <LibJS/Heap/Handle.h>
#include <LibWeb/DOM/Slot.h>
#include <LibWeb/DOM/Slottable.h>
#include <LibWeb/HTML/HTMLElement.h>
namespace Web::HTML {
struct AssignedNodesOptions {
bool flatten { false };
};
class HTMLSlotElement final
: public HTMLElement
, public DOM::Slot {
@ -20,11 +28,22 @@ class HTMLSlotElement final
public:
virtual ~HTMLSlotElement() override;
Vector<JS::Handle<DOM::Node>> assigned_nodes(AssignedNodesOptions options = {});
Vector<JS::Handle<DOM::Element>> assigned_elements(AssignedNodesOptions options = {});
using SlottableHandle = Variant<JS::Handle<DOM::Element>, JS::Handle<DOM::Text>>;
void assign(Vector<SlottableHandle> nodes);
ReadonlySpan<DOM::Slottable> manually_assigned_nodes() const { return m_manually_assigned_nodes; }
private:
HTMLSlotElement(DOM::Document&, DOM::QualifiedName);
virtual void initialize(JS::Realm&) override;
virtual void visit_edges(JS::Cell::Visitor&) override;
// https://html.spec.whatwg.org/multipage/scripting.html#manually-assigned-nodes
Vector<DOM::Slottable> m_manually_assigned_nodes;
};
}