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/*
* (C) 1999-2003 Lars Knoll (knoll@kde.org)
* Copyright (C) 2004, 2005, 2006, 2008, 2012 Apple Inc. 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 StylePropertySet_h
#define StylePropertySet_h
#include "CSSPrimitiveValue.h"
#include "CSSProperty.h"
#include "CSSStyleDeclaration.h"
#include "KURLHash.h"
#include "PlatformString.h"
#include <wtf/ListHashSet.h>
#include <wtf/Vector.h>
namespace WebCore {
class PropertySetCSSStyleDeclaration;
class StyledElement;
class StylePropertySet : public RefCounted<StylePropertySet> {
public:
~StylePropertySet();
static PassRefPtr<StylePropertySet> create()
{
return adoptRef(new StylePropertySet);
}
static PassRefPtr<StylePropertySet> create(CSSStyleSheet* contextStyleSheet)
{
return adoptRef(new StylePropertySet(contextStyleSheet));
}
static PassRefPtr<StylePropertySet> create(CSSStyleSheet* contextStyleSheet, const CSSProperty* const* properties, int numProperties)
{
return adoptRef(new StylePropertySet(contextStyleSheet, properties, numProperties));
}
static PassRefPtr<StylePropertySet> create(const Vector<CSSProperty>& properties)
{
return adoptRef(new StylePropertySet(properties));
}
unsigned propertyCount() const { return m_properties.size(); }
bool isEmpty() const { return m_properties.isEmpty(); }
const CSSProperty& propertyAt(unsigned index) const { return m_properties[index]; }
PassRefPtr<CSSValue> getPropertyCSSValue(int propertyID) const;
String getPropertyValue(int propertyID) const;
bool propertyIsImportant(int propertyID) const;
int getPropertyShorthand(int propertyID) const;
bool isPropertyImplicit(int propertyID) const;
bool setProperty(int propertyID, int value, bool important = false);
bool setProperty(int propertyId, double value, CSSPrimitiveValue::UnitTypes unit, bool important = false);
bool setProperty(int propertyID, const String& value, bool important = false);
void setProperty(const CSSProperty&, CSSProperty* slot = 0);
bool removeProperty(int propertyID, String* returnText = 0);
// The following parses an entire new style declaration.
void parseDeclaration(const String& styleDeclaration);
// Besides adding the properties, this also removes any existing properties with these IDs.
// It does no notification since it's called by the parser.
void addParsedProperties(const CSSProperty* const *, int numProperties);
// This does no change notifications since it's only called by createMarkup.
void addParsedProperty(const CSSProperty&);
PassRefPtr<StylePropertySet> copyBlockProperties() const;
void removeBlockProperties();
bool removePropertiesInSet(const int* set, unsigned length);
void merge(const StylePropertySet*, bool argOverridesOnConflict = true);
void setStrictParsing(bool b) { m_strictParsing = b; }
bool useStrictParsing() const { return m_strictParsing; }
void addSubresourceStyleURLs(ListHashSet<KURL>&);
PassRefPtr<StylePropertySet> copy() const;
// Used by StyledElement::copyNonAttributeProperties().
void copyPropertiesFrom(const StylePropertySet&);
void removeEquivalentProperties(const StylePropertySet*);
void removeEquivalentProperties(const CSSStyleDeclaration*);
PassRefPtr<StylePropertySet> copyPropertiesInSet(const int* set, unsigned length) const;
CSSStyleSheet* contextStyleSheet() const { return m_contextStyleSheet; }
void setContextStyleSheet(CSSStyleSheet* styleSheet) { m_contextStyleSheet = styleSheet; }
String asText() const;
void clearParentRule(CSSRule* rule);
void clearParentElement(StyledElement* element);
CSSStyleDeclaration* ensureCSSStyleDeclaration() const;
CSSStyleDeclaration* ensureRuleCSSStyleDeclaration(const CSSRule* parentRule) const;
CSSStyleDeclaration* ensureInlineCSSStyleDeclaration(const StyledElement* parentElement) const;
private:
StylePropertySet();
StylePropertySet(const Vector<CSSProperty>&);
StylePropertySet(CSSStyleSheet* parentStyleSheet);
StylePropertySet(CSSStyleSheet* parentStyleSheet, const CSSProperty* const *, int numProperties);
void setNeedsStyleRecalc();
String getShorthandValue(const int* properties, size_t) const;
String getCommonValue(const int* properties, size_t) const;
String getLayeredShorthandValue(const int* properties, size_t) const;
String get4Values(const int* properties) const;
String borderSpacingValue(const int properties[2]) const;
String fontValue() const;
bool appendFontLonghandValueIfExplicit(int propertyID, StringBuilder& result) const;
template<size_t size> String getShorthandValue(const int (&properties)[size]) const { return getShorthandValue(properties, size); }
template<size_t size> String getCommonValue(const int (&properties)[size]) const { return getCommonValue(properties, size); }
template<size_t size> String getLayeredShorthandValue(const int (&properties)[size]) const { return getLayeredShorthandValue(properties, size); }
bool removeShorthandProperty(int propertyID);
bool propertyMatches(const CSSProperty*) const;
const CSSProperty* findPropertyWithId(int propertyId) const;
CSSProperty* findPropertyWithId(int propertyId);
Vector<CSSProperty, 4> m_properties;
bool m_strictParsing : 1;
mutable bool m_hasCSSOMWrapper : 1;
CSSStyleSheet* m_contextStyleSheet;
friend class PropertySetCSSStyleDeclaration;
};
} // namespace WebCore
#endif // StylePropertySet_h
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