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/*
* (C) 1999-2003 Lars Knoll (knoll@kde.org)
* Copyright (C) 2004, 2005, 2006 Apple Computer, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef CSSProperty_h
#define CSSProperty_h
#include "CSSPropertyNames.h"
#include "CSSValue.h"
#include "RenderStyleConstants.h"
#include "TextDirection.h"
#include "WritingMode.h"
#include <wtf/PassRefPtr.h>
#include <wtf/RefPtr.h>
namespace WebCore {
union StylePropertyMetadata {
StylePropertyMetadata(CSSPropertyID propertyID, CSSPropertyID shorthandID, bool important, bool implicit, bool inherited)
: m_propertyID(propertyID)
, m_shorthandID(shorthandID)
, m_important(important)
, m_implicit(implicit)
, m_inherited(inherited)
{
}
unsigned m_bits;
struct {
unsigned m_propertyID : 14;
unsigned m_shorthandID : 14; // If this property was set as part of a shorthand, gives the shorthand.
unsigned m_important : 1;
unsigned m_implicit : 1; // Whether or not the property was set implicitly as the result of a shorthand.
unsigned m_inherited : 1;
};
};
class CSSProperty {
public:
CSSProperty(CSSPropertyID propertyID, PassRefPtr<CSSValue> value, bool important = false, CSSPropertyID shorthandID = CSSPropertyInvalid, bool implicit = false)
: m_metadata(propertyID, shorthandID, important, implicit, isInheritedProperty(propertyID))
, m_value(value)
{
#if ENABLE(CSS_VARIABLES)
ASSERT((propertyID == CSSPropertyVariable) == (m_value && m_value->isVariableValue()));
#endif
}
// FIXME: Remove this.
CSSProperty(StylePropertyMetadata metadata, CSSValue* value)
: m_metadata(metadata)
, m_value(value)
{
#if ENABLE(CSS_VARIABLES)
ASSERT((metadata.m_propertyID == CSSPropertyVariable) == (m_value && m_value->isVariableValue()));
#endif
}
CSSPropertyID id() const { return static_cast<CSSPropertyID>(m_metadata.m_propertyID); }
CSSPropertyID shorthandID() const { return static_cast<CSSPropertyID>(m_metadata.m_shorthandID); }
bool isImportant() const { return m_metadata.m_important; }
CSSValue* value() const { return m_value.get(); }
void wrapValueInCommaSeparatedList();
static CSSPropertyID resolveDirectionAwareProperty(CSSPropertyID, TextDirection, WritingMode);
static bool isInheritedProperty(CSSPropertyID);
StylePropertyMetadata metadata() const { return m_metadata; }
private:
StylePropertyMetadata m_metadata;
RefPtr<CSSValue> m_value;
};
inline CSSPropertyID prefixingVariantForPropertyId(CSSPropertyID propId)
{
CSSPropertyID propertyId = CSSPropertyInvalid;
switch (propId) {
case CSSPropertyTransitionDelay:
propertyId = CSSPropertyWebkitTransitionDelay;
break;
case CSSPropertyTransitionDuration:
propertyId = CSSPropertyWebkitTransitionDuration;
break;
case CSSPropertyTransitionProperty:
propertyId = CSSPropertyWebkitTransitionProperty;
break;
case CSSPropertyTransitionTimingFunction:
propertyId = CSSPropertyWebkitTransitionTimingFunction;
break;
case CSSPropertyTransition:
propertyId = CSSPropertyWebkitTransition;
break;
case CSSPropertyWebkitTransitionDelay:
propertyId = CSSPropertyTransitionDelay;
break;
case CSSPropertyWebkitTransitionDuration:
propertyId = CSSPropertyTransitionDuration;
break;
case CSSPropertyWebkitTransitionProperty:
propertyId = CSSPropertyTransitionProperty;
break;
case CSSPropertyWebkitTransitionTimingFunction:
propertyId = CSSPropertyTransitionTimingFunction;
break;
case CSSPropertyWebkitTransition:
propertyId = CSSPropertyTransition;
break;
default:
propertyId = propId;
break;
}
ASSERT(propertyId != CSSPropertyInvalid);
return propertyId;
}
} // namespace WebCore
namespace WTF {
template <> struct VectorTraits<WebCore::CSSProperty> : VectorTraitsBase<false, WebCore::CSSProperty> {
static const bool canInitializeWithMemset = true;
static const bool canMoveWithMemcpy = true;
};
}
#endif // CSSProperty_h
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