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/*
* Copyright (C) 2025 Samuel Weinig <sam@webkit.org>
*
* 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,
* 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.
*/
#include "config.h"
#include "StyleLengthWrapperData.h"
#include "StyleCalculationValue.h"
#include "StyleCalculationValueMap.h"
#include <cmath>
namespace WebCore {
namespace Style {
LengthWrapperData::LengthWrapperData(uint8_t opaqueType, Ref<Calculation::Value>&& value)
: m_opaqueType { opaqueType }
, m_kind { LengthWrapperDataKind::Calculation }
{
m_calculationValueHandle = Calculation::ValueMap::calculationValues().insert(WTFMove(value));
}
Calculation::Value& LengthWrapperData::calculationValue() const
{
ASSERT(m_kind == LengthWrapperDataKind::Calculation);
return Calculation::ValueMap::calculationValues().get(m_calculationValueHandle);
}
Ref<Calculation::Value> LengthWrapperData::protectedCalculationValue() const
{
return calculationValue();
}
void LengthWrapperData::ref() const
{
ASSERT(m_kind == LengthWrapperDataKind::Calculation);
Calculation::ValueMap::calculationValues().ref(m_calculationValueHandle);
}
void LengthWrapperData::deref() const
{
ASSERT(m_kind == LengthWrapperDataKind::Calculation);
Calculation::ValueMap::calculationValues().deref(m_calculationValueHandle);
}
LengthWrapperData::LengthWrapperData(IPCData&& data)
: m_floatValue { data.value }
, m_opaqueType { data.opaqueType }
, m_kind { LengthWrapperDataKind::Default }
, m_hasQuirk { data.hasQuirk }
{
}
auto LengthWrapperData::ipcData() const -> IPCData
{
ASSERT(m_kind == LengthWrapperDataKind::Default);
return IPCData {
.value = value(),
.opaqueType = m_opaqueType,
.hasQuirk = m_hasQuirk
};
}
float LengthWrapperData::nonNanCalculatedValue(float maxValue, const ZoomFactor& usedZoom) const
{
ASSERT(m_kind == LengthWrapperDataKind::Calculation);
float result = protectedCalculationValue()->evaluate(maxValue, usedZoom);
if (std::isnan(result))
return 0;
return result;
}
float LengthWrapperData::nonNanCalculatedValue(float maxValue, const ZoomNeeded& token) const
{
ASSERT(m_kind == LengthWrapperDataKind::Calculation);
float result = protectedCalculationValue()->evaluate(maxValue, token);
if (std::isnan(result))
return 0;
return result;
}
bool LengthWrapperData::isCalculatedEqual(const LengthWrapperData& other) const
{
return calculationValue() == other.calculationValue();
}
} // namespace Style
} // namespace WebCore
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