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e9da74ebe0
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.
66 lines
2.1 KiB
C++
66 lines
2.1 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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enum class OpenFlag {
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Set,
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Unset,
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};
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JS::GCPtr<HTML::HTMLSlotElement> assigned_slot_for_node(JS::NonnullGCPtr<Node>);
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bool is_an_assigned_slottable(JS::NonnullGCPtr<Node>);
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JS::GCPtr<HTML::HTMLSlotElement> find_a_slot(Slottable const&, OpenFlag = OpenFlag::Unset);
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Vector<Slottable> find_slottables(JS::NonnullGCPtr<HTML::HTMLSlotElement>);
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void assign_slottables(JS::NonnullGCPtr<HTML::HTMLSlotElement>);
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void assign_slottables_for_a_tree(JS::NonnullGCPtr<Node>);
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void assign_a_slot(Slottable const&);
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void signal_a_slot_change(JS::NonnullGCPtr<HTML::HTMLSlotElement>);
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}
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