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// Copyright 2015 The Chromium Authors. All rights reserved.
// Copyright (C) 2016 Apple Inc. All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#pragma once
#include "CSSValue.h"
#include "CSSVariableData.h"
#include <wtf/RefPtr.h>
namespace WebCore {
class CSSVariableReferenceValue : public CSSValue {
public:
static Ref<CSSVariableReferenceValue> create(Ref<CSSVariableData>&& data)
{
return adoptRef(*new CSSVariableReferenceValue(WTFMove(data)));
}
CSSVariableData* variableDataValue() const
{
return m_data.get();
}
bool equals(const CSSVariableReferenceValue& other) const { return m_data == other.m_data; }
String customCSSText() const;
bool checkVariablesForCycles(const AtomicString& name, CustomPropertyValueMap&, HashSet<AtomicString>& seenProperties, HashSet<AtomicString>& invalidProperties) const;
private:
CSSVariableReferenceValue(Ref<CSSVariableData>&& data)
: CSSValue(VariableReferenceClass)
, m_data(WTFMove(data))
{
}
RefPtr<CSSVariableData> m_data;
mutable String m_stringValue;
mutable bool m_serialized { false };
};
} // namespace WebCore
SPECIALIZE_TYPE_TRAITS_CSS_VALUE(CSSVariableReferenceValue, isVariableReferenceValue())
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