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/*
* Copyright (C) 2015 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:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``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
* 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.
*/
#ifndef CSSVariableDependentValue_h
#define CSSVariableDependentValue_h
#include "CSSPropertyNames.h"
#include "CSSValueList.h"
#include <wtf/RefPtr.h>
namespace WebCore {
class CSSVariableDependentValue : public CSSValue {
public:
static Ref<CSSVariableDependentValue> create(RefPtr<CSSValueList>& valueList, CSSPropertyID propId)
{
return adoptRef(*new CSSVariableDependentValue(valueList, propId));
}
String customCSSText() const
{
if (!m_serialized) {
m_serialized = true;
m_stringValue = m_valueList ? m_valueList->customCSSText() : emptyString();
}
return m_stringValue;
}
// FIXME: Should arguably implement equals on all of the CSSParserValues, but CSSValue equivalence
// is rarely used, so serialization to compare is probably fine.
bool equals(const CSSVariableDependentValue& other) const { return customCSSText() == other.customCSSText(); }
CSSPropertyID propertyID() const { return m_propertyID; }
CSSValueList* valueList() const { return m_valueList.get(); }
bool checkVariablesForCycles(const AtomicString& name, CustomPropertyValueMap& customProperties, const HashSet<AtomicString>& seenProperties, HashSet<AtomicString>& invalidProperties);
private:
CSSVariableDependentValue(RefPtr<CSSValueList>& valueList, CSSPropertyID propId)
: CSSValue(VariableDependentClass)
, m_valueList(valueList)
, m_propertyID(propId)
{
}
RefPtr<CSSValueList> m_valueList;
CSSPropertyID m_propertyID;
mutable String m_stringValue;
mutable bool m_serialized { false };
};
} // namespace WebCore
SPECIALIZE_TYPE_TRAITS_CSS_VALUE(CSSVariableDependentValue, isVariableDependentValue())
#endif // CSSCustomPropertyValue_h
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