Source/WebCore/dom/CustomElementDefaultARIA.h

/*
 * Copyright (C) 2022 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
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 * 1. Redistributions of source code must retain the above copyright
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 * 2. Redistributions in binary form must reproduce the above copyright
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 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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#pragma once

#include "QualifiedName.h"
#include <wtf/CheckedRef.h>
#include <wtf/HashMap.h>
#include <wtf/TZoneMalloc.h>
#include <wtf/Vector.h>
#include <wtf/WeakPtr.h>
#include <wtf/text/AtomString.h>

namespace WebCore {

class Element;
class WeakPtrImplWithEventTargetData;

class CustomElementDefaultARIA final : public CanMakeCheckedPtr<CustomElementDefaultARIA> {
    WTF_MAKE_TZONE_OR_ISO_ALLOCATED(CustomElementDefaultARIA);
    WTF_OVERRIDE_DELETE_FOR_CHECKED_PTR(CustomElementDefaultARIA);
public:
    CustomElementDefaultARIA();
    ~CustomElementDefaultARIA();

    bool hasAttribute(const QualifiedName&) const;
    const AtomString& valueForAttribute(const Element& thisElement, const QualifiedName&) const;
    void setValueForAttribute(const QualifiedName&, const AtomString&);
    RefPtr<Element> elementForAttribute(const Element& thisElement, const QualifiedName&) const;
    void setElementForAttribute(const QualifiedName&, Element*);
    Vector<Ref<Element>> elementsForAttribute(const Element& thisElement, const QualifiedName&) const;
    void setElementsForAttribute(const QualifiedName&, std::optional<Vector<Ref<Element>>>&&);

private:
    using WeakElementPtr = WeakPtr<Element, WeakPtrImplWithEventTargetData>;
    HashMap<QualifiedName, Variant<AtomString, WeakElementPtr, Vector<WeakElementPtr>>> m_map;
};

}; // namespace WebCore