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/*
* (C) 1999-2003 Lars Knoll (knoll@kde.org)
* Copyright (C) 2004, 2005, 2006 Apple Inc.
* Copyright (C) 2013 Intel Corporation. All rights reserved.
*
* 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 "WritingMode.h"
#include <wtf/PassRefPtr.h>
#include <wtf/RefPtr.h>
namespace WebCore {
struct StylePropertyMetadata {
StylePropertyMetadata(CSSPropertyID propertyID, bool isSetFromShorthand, int indexInShorthandsVector, bool important, bool implicit, bool inherited)
: m_propertyID(propertyID)
, m_isSetFromShorthand(isSetFromShorthand)
, m_indexInShorthandsVector(indexInShorthandsVector)
, m_important(important)
, m_implicit(implicit)
, m_inherited(inherited)
{
}
CSSPropertyID shorthandID() const;
bool operator==(const StylePropertyMetadata& other) const
{
return m_propertyID == other.m_propertyID
&& m_isSetFromShorthand == other.m_isSetFromShorthand
&& m_indexInShorthandsVector == other.m_indexInShorthandsVector
&& m_important == other.m_important
&& m_implicit == other.m_implicit
&& m_inherited == other.m_inherited;
}
uint16_t m_propertyID : 10;
uint16_t m_isSetFromShorthand : 1;
uint16_t m_indexInShorthandsVector : 2; // If this property was set as part of an ambiguous shorthand, gives the index in the shorthands vector.
uint16_t m_important : 1;
uint16_t m_implicit : 1; // Whether or not the property was set implicitly as the result of a shorthand.
uint16_t m_inherited : 1;
};
class CSSProperty {
public:
CSSProperty(CSSPropertyID propertyID, PassRefPtr<CSSValue> value, bool important = false, bool isSetFromShorthand = false, int indexInShorthandsVector = 0, bool implicit = false)
: m_metadata(propertyID, isSetFromShorthand, indexInShorthandsVector, important, implicit, isInheritedProperty(propertyID))
, m_value(value)
{
}
CSSPropertyID id() const { return static_cast<CSSPropertyID>(m_metadata.m_propertyID); }
bool isSetFromShorthand() const { return m_metadata.m_isSetFromShorthand; };
CSSPropertyID shorthandID() const { return m_metadata.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);
static bool isDirectionAwareProperty(CSSPropertyID);
const StylePropertyMetadata& metadata() const { return m_metadata; }
bool operator==(const CSSProperty& other) const
{
if (!(m_metadata == other.m_metadata))
return false;
if (!m_value && !other.m_value)
return true;
if (!m_value || !other.m_value)
return false;
return m_value->equals(*other.m_value);
}
private:
StylePropertyMetadata m_metadata;
RefPtr<CSSValue> m_value;
};
inline CSSPropertyID prefixingVariantForPropertyId(CSSPropertyID propertyID)
{
ASSERT(propertyID != CSSPropertyInvalid);
switch (propertyID) {
case CSSPropertyAnimation:
return CSSPropertyWebkitAnimation;
case CSSPropertyAnimationDelay:
return CSSPropertyWebkitAnimationDelay;
case CSSPropertyAnimationDirection:
return CSSPropertyWebkitAnimationDirection;
case CSSPropertyAnimationDuration:
return CSSPropertyWebkitAnimationDuration;
case CSSPropertyAnimationFillMode:
return CSSPropertyWebkitAnimationFillMode;
case CSSPropertyAnimationName:
return CSSPropertyWebkitAnimationName;
case CSSPropertyAnimationPlayState:
return CSSPropertyWebkitAnimationPlayState;
case CSSPropertyAnimationIterationCount:
return CSSPropertyWebkitAnimationIterationCount;
case CSSPropertyAnimationTimingFunction:
return CSSPropertyWebkitAnimationTimingFunction;
case CSSPropertyWebkitAnimation:
return CSSPropertyAnimation;
case CSSPropertyWebkitAnimationDelay:
return CSSPropertyAnimationDelay;
case CSSPropertyWebkitAnimationDirection:
return CSSPropertyAnimationDirection;
case CSSPropertyWebkitAnimationDuration:
return CSSPropertyAnimationDuration;
case CSSPropertyWebkitAnimationFillMode:
return CSSPropertyAnimationFillMode;
case CSSPropertyWebkitAnimationName:
return CSSPropertyAnimationName;
case CSSPropertyWebkitAnimationPlayState:
return CSSPropertyAnimationPlayState;
case CSSPropertyWebkitAnimationIterationCount:
return CSSPropertyAnimationIterationCount;
case CSSPropertyWebkitAnimationTimingFunction:
return CSSPropertyAnimationTimingFunction;
case CSSPropertyTransitionDelay:
return CSSPropertyWebkitTransitionDelay;
case CSSPropertyTransitionDuration:
return CSSPropertyWebkitTransitionDuration;
case CSSPropertyTransitionProperty:
return CSSPropertyWebkitTransitionProperty;
case CSSPropertyTransitionTimingFunction:
return CSSPropertyWebkitTransitionTimingFunction;
case CSSPropertyTransition:
return CSSPropertyWebkitTransition;
case CSSPropertyWebkitTransitionDelay:
return CSSPropertyTransitionDelay;
case CSSPropertyWebkitTransitionDuration:
return CSSPropertyTransitionDuration;
case CSSPropertyWebkitTransitionProperty:
return CSSPropertyTransitionProperty;
case CSSPropertyWebkitTransitionTimingFunction:
return CSSPropertyTransitionTimingFunction;
case CSSPropertyWebkitTransition:
return CSSPropertyTransition;
default:
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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