CSSCustomPropertyValue.h [plain text]
#pragma once
#include "CSSValue.h"
#include "CSSVariableData.h"
#include <wtf/RefPtr.h>
#include <wtf/text/WTFString.h>
namespace WebCore {
class CSSCustomPropertyValue final : public CSSValue {
public:
static Ref<CSSCustomPropertyValue> createWithVariableData(const AtomicString& name, Ref<CSSVariableData>&& value)
{
return adoptRef(*new CSSCustomPropertyValue(name, WTFMove(value)));
}
static Ref<CSSCustomPropertyValue> createWithID(const AtomicString& name, CSSValueID value)
{
return adoptRef(*new CSSCustomPropertyValue(name, value));
}
static Ref<CSSCustomPropertyValue> createInvalid()
{
return adoptRef(*new CSSCustomPropertyValue(emptyString(), emptyString()));
}
String customCSSText() const
{
if (!m_serialized) {
m_serialized = true;
if (m_value)
m_stringValue = m_value->tokenRange().serialize();
else if (m_valueId != CSSValueInvalid)
m_stringValue = getValueName(m_valueId);
else
m_stringValue = emptyString();
}
return m_stringValue;
}
const AtomicString& name() const { return m_name; }
bool equals(const CSSCustomPropertyValue& other) const { return m_name == other.m_name && m_value == other.m_value && m_valueId == other.m_valueId; }
bool containsVariables() const { return m_containsVariables; }
bool checkVariablesForCycles(const AtomicString& name, CustomPropertyValueMap&, HashSet<AtomicString>& seenProperties, HashSet<AtomicString>& invalidProperties) const;
void resolveVariableReferences(const CustomPropertyValueMap&, Vector<Ref<CSSCustomPropertyValue>>&) const;
CSSValueID valueID() const { return m_valueId; }
CSSVariableData* value() const { return m_value.get(); }
private:
CSSCustomPropertyValue(const AtomicString& name, const String& serializedValue)
: CSSValue(CustomPropertyClass)
, m_name(name)
, m_stringValue(serializedValue)
, m_serialized(true)
{
}
CSSCustomPropertyValue(const AtomicString& name, CSSValueID id)
: CSSValue(CustomPropertyClass)
, m_name(name)
, m_valueId(id)
{
ASSERT(id == CSSValueInherit || id == CSSValueInitial || id == CSSValueUnset || id == CSSValueRevert || id == CSSValueInvalid);
}
CSSCustomPropertyValue(const AtomicString& name, Ref<CSSVariableData>&& value)
: CSSValue(CustomPropertyClass)
, m_name(name)
, m_value(WTFMove(value))
, m_valueId(CSSValueInternalVariableValue)
, m_containsVariables(m_value->needsVariableResolution())
{
}
const AtomicString m_name;
RefPtr<CSSVariableData> m_value;
CSSValueID m_valueId { CSSValueInvalid };
mutable String m_stringValue;
bool m_containsVariables { false };
mutable bool m_serialized { false };
};
}
SPECIALIZE_TYPE_TRAITS_CSS_VALUE(CSSCustomPropertyValue, isCustomPropertyValue())