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A slottable is either a DOM element or a DOM text node. They may be assigned to slots (HTMLSlotElement) either automatically or manually. Automatic assignment occurs by matching a slot's `name` attribute to a slottable's `slot` attribute. Manual assignment occurs by using the slot's (not yet implemented) `assign` API. This commit does not perform the above assignments. It just sets up the slottable concept via IDL and hooks the slottable mixin into the element and text nodes.
50 lines
1.6 KiB
C++
50 lines
1.6 KiB
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 <AK/String.h>
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#include <AK/Variant.h>
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#include <LibJS/Heap/Cell.h>
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#include <LibJS/Heap/GCPtr.h>
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#include <LibWeb/Forward.h>
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namespace Web::DOM {
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// https://dom.spec.whatwg.org/#concept-slotable
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using Slottable = Variant<JS::NonnullGCPtr<Element>, JS::NonnullGCPtr<Text>>;
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// https://dom.spec.whatwg.org/#mixin-slotable
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class SlottableMixin {
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public:
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virtual ~SlottableMixin();
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String const& slottable_name() const { return m_name; } // Not called `name` to distinguish from `Element::name`.
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void set_slottable_name(String name) { m_name = move(name); }
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JS::GCPtr<HTML::HTMLSlotElement> assigned_slot();
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JS::GCPtr<HTML::HTMLSlotElement> assigned_slot_internal() const { return m_assigned_slot; }
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void set_assigned_slot(JS::GCPtr<HTML::HTMLSlotElement> assigned_slot) { m_assigned_slot = assigned_slot; }
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JS::GCPtr<HTML::HTMLSlotElement> manual_slot_assignment() { return m_manual_slot_assignment; }
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void set_manual_slot_assignment(JS::GCPtr<HTML::HTMLSlotElement> manual_slot_assignment) { m_manual_slot_assignment = manual_slot_assignment; }
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protected:
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void visit_edges(JS::Cell::Visitor&);
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private:
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// https://dom.spec.whatwg.org/#slotable-name
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String m_name;
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// https://dom.spec.whatwg.org/#slotable-assigned-slot
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JS::GCPtr<HTML::HTMLSlotElement> m_assigned_slot;
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// https://dom.spec.whatwg.org/#slottable-manual-slot-assignment
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JS::GCPtr<HTML::HTMLSlotElement> m_manual_slot_assignment;
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};
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}
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