#ifndef CSSValue_h
#define CSSValue_h
#include "StyleBase.h"
#include "CSSParserValues.h"
#include "KURLHash.h"
#include <wtf/ListHashSet.h>
#include <wtf/RefPtr.h>
namespace WebCore {
class CSSStyleSheet;
typedef int ExceptionCode;
class CSSValue : public RefCounted<CSSValue> {
public:
enum UnitTypes {
CSS_INHERIT = 0,
CSS_PRIMITIVE_VALUE = 1,
CSS_VALUE_LIST = 2,
CSS_CUSTOM = 3,
CSS_INITIAL = 4
};
virtual ~CSSValue() { }
virtual unsigned short cssValueType() const { return CSS_CUSTOM; }
virtual String cssText() const = 0;
void setCssText(const String&, ExceptionCode&) { }
virtual bool isFontValue() const { return false; }
virtual bool isImageGeneratorValue() const { return false; }
virtual bool isImageValue() const { return false; }
virtual bool isImplicitInitialValue() const { return false; }
virtual bool isPrimitiveValue() const { return false; }
virtual bool isTimingFunctionValue() const { return false; }
virtual bool isValueList() const { return false; }
virtual bool isWebKitCSSTransformValue() const { return false; }
#if ENABLE(SVG)
virtual bool isSVGColor() const { return false; }
virtual bool isSVGPaint() const { return false; }
#endif
virtual bool isVariableDependentValue() const { return false; }
virtual CSSParserValue parserValue() const { ASSERT_NOT_REACHED(); return CSSParserValue(); }
virtual void addSubresourceStyleURLs(ListHashSet<KURL>&, const CSSStyleSheet*) { }
};
}
#endif // CSSValue_h