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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 "core/CSSPropertyNames.h"
#include "core/css/CSSPropertyMetadata.h"
#include "core/css/CSSValue.h"
#include "platform/RuntimeEnabledFeatures.h"
#include "platform/text/TextDirection.h"
#include "platform/text/WritingMode.h"
#include "wtf/Allocator.h"
#include "wtf/PassRefPtr.h"
#include "wtf/RefPtr.h"
namespace blink {
struct StylePropertyMetadata {
DISALLOW_NEW();
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;
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 {
DISALLOW_NEW_EXCEPT_PLACEMENT_NEW();
public:
CSSProperty(CSSPropertyID propertyID, PassRefPtrWillBeRawPtr<CSSValue> value, bool important = false, bool isSetFromShorthand = false, int indexInShorthandsVector = 0, bool implicit = false)
: m_metadata(propertyID, isSetFromShorthand, indexInShorthandsVector, important, implicit, CSSPropertyMetadata::isInheritedProperty(propertyID))
, m_value(value)
{
}
// FIXME: Remove this.
CSSProperty(StylePropertyMetadata metadata, CSSValue* value)
: m_metadata(metadata)
, 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(); }
static CSSPropertyID resolveDirectionAwareProperty(CSSPropertyID, TextDirection, WritingMode);
static bool isAffectedByAllProperty(CSSPropertyID);
const StylePropertyMetadata& metadata() const { return m_metadata; }
bool operator==(const CSSProperty& other) const;
DEFINE_INLINE_TRACE() { visitor->trace(m_value); }
private:
StylePropertyMetadata m_metadata;
RefPtrWillBeMember<CSSValue> m_value;
};
} // namespace blink
WTF_ALLOW_MOVE_AND_INIT_WITH_MEM_FUNCTIONS(blink::CSSProperty);
#endif // CSSProperty_h
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