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/*
* Copyright (C) 2015 Apple Inc. All rights reserved.
* Copyright (C) 2012 Google Inc. All rights reserved.
* Copyright (C) 2025 Samuel Weinig <sam@webkit.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#pragma once
#include "StyleCustomProperty.h"
#include <wtf/Function.h>
#include <wtf/HashMap.h>
#include <wtf/IterationStatus.h>
#include <wtf/RefCounted.h>
#include <wtf/RefPtr.h>
#include <wtf/text/AtomStringHash.h>
namespace WebCore {
namespace Style {
class CustomPropertyData : public RefCounted<CustomPropertyData> {
private:
using CustomPropertyValueMap = HashMap<AtomString, RefPtr<const CustomProperty>>;
public:
static Ref<CustomPropertyData> create() { return adoptRef(*new CustomPropertyData); }
Ref<CustomPropertyData> copy() const { return adoptRef(*new CustomPropertyData(*this)); }
bool operator==(const CustomPropertyData&) const;
#if !LOG_DISABLED
void dumpDifferences(TextStream&, const CustomPropertyData&) const;
#endif
const CustomProperty* get(const AtomString&) const;
void set(const AtomString&, Ref<const CustomProperty>&&);
unsigned size() const { return m_size; }
bool mayHaveAnimatableProperties() const { return m_mayHaveAnimatableProperties; }
void forEach(NOESCAPE const Function<IterationStatus(const KeyValuePair<AtomString, RefPtr<const CustomProperty>>&)>&) const;
AtomString findKeyAtIndex(unsigned) const;
private:
CustomPropertyData() = default;
CustomPropertyData(const CustomPropertyData&);
template<typename Callback> void forEachInternal(Callback&&) const;
RefPtr<const CustomPropertyData> m_parentValues;
CustomPropertyValueMap m_ownValues;
unsigned m_size { 0 };
unsigned m_ancestorCount { 0 };
bool m_mayHaveAnimatableProperties { false };
#if ASSERT_ENABLED
mutable bool m_hasChildren { false };
#endif
};
} // namespace Style
} // namespace WebCore
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