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/*
* (C) 1999-2003 Lars Knoll (knoll@kde.org)
* Copyright (C) 2004, 2005, 2006, 2008 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 CSSMutableStyleDeclaration_h
#define CSSMutableStyleDeclaration_h
#include "CSSStyleDeclaration.h"
#include "CSSPrimitiveValue.h"
#include "CSSProperty.h"
#include "KURLHash.h"
#include "PlatformString.h"
#include <wtf/ListHashSet.h>
#include <wtf/Vector.h>
namespace WebCore {
class Node;
class CSSMutableStyleDeclarationConstIterator {
public:
CSSMutableStyleDeclarationConstIterator(const CSSMutableStyleDeclaration* decl, CSSProperty* current);
CSSMutableStyleDeclarationConstIterator(const CSSMutableStyleDeclarationConstIterator& o);
~CSSMutableStyleDeclarationConstIterator();
const CSSProperty& operator*() const { return *m_current; }
const CSSProperty* operator->() const { return m_current; }
bool operator!=(const CSSMutableStyleDeclarationConstIterator& o) { ASSERT(m_decl == o.m_decl); return m_current != o.m_current; }
bool operator==(const CSSMutableStyleDeclarationConstIterator& o) { ASSERT(m_decl == o.m_decl); return m_current == o.m_current; }
CSSMutableStyleDeclarationConstIterator& operator=(const CSSMutableStyleDeclarationConstIterator& o);
CSSMutableStyleDeclarationConstIterator& operator++();
CSSMutableStyleDeclarationConstIterator& operator--();
private:
const CSSMutableStyleDeclaration* m_decl;
CSSProperty* m_current;
};
class CSSMutableStyleDeclaration : public CSSStyleDeclaration {
public:
static PassRefPtr<CSSMutableStyleDeclaration> create()
{
return adoptRef(new CSSMutableStyleDeclaration);
}
static PassRefPtr<CSSMutableStyleDeclaration> create(CSSRule* parentRule)
{
return adoptRef(new CSSMutableStyleDeclaration(parentRule));
}
static PassRefPtr<CSSMutableStyleDeclaration> create(CSSRule* parentRule, const CSSProperty* const* properties, int numProperties)
{
return adoptRef(new CSSMutableStyleDeclaration(parentRule, properties, numProperties));
}
static PassRefPtr<CSSMutableStyleDeclaration> create(const Vector<CSSProperty>& properties)
{
return adoptRef(new CSSMutableStyleDeclaration(0, properties));
}
CSSMutableStyleDeclaration& operator=(const CSSMutableStyleDeclaration&);
typedef CSSMutableStyleDeclarationConstIterator const_iterator;
const_iterator begin() { return const_iterator(this, m_properties.begin()); }
const_iterator end() { return const_iterator(this, m_properties.end()); }
void setNode(Node* node) { m_node = node; }
Node* node() const { return m_node; }
virtual bool isMutableStyleDeclaration() const { return true; }
virtual String cssText() const;
virtual void setCssText(const String&, ExceptionCode&);
virtual unsigned virtualLength() const;
unsigned length() const { return m_properties.size(); }
virtual String item(unsigned index) const;
virtual PassRefPtr<CSSValue> getPropertyCSSValue(int propertyID) const;
virtual String getPropertyValue(int propertyID) const;
virtual bool getPropertyPriority(int propertyID) const;
virtual int getPropertyShorthand(int propertyID) const;
virtual bool isPropertyImplicit(int propertyID) const;
virtual void setProperty(int propertyId, const String& value, bool important, ExceptionCode&);
virtual String removeProperty(int propertyID, ExceptionCode&);
virtual PassRefPtr<CSSMutableStyleDeclaration> copy() const;
bool setProperty(int propertyID, int value, bool important = false, bool notifyChanged = true);
bool setProperty(int propertyID, const String& value, bool important = false, bool notifyChanged = true);
String removeProperty(int propertyID, bool notifyChanged = true, bool returnText = false);
// setLengthProperty treats integers as pixels! (Needed for conversion of HTML attributes.)
void setLengthProperty(int propertyId, const String& value, bool important, bool multiLength = false);
void setStringProperty(int propertyId, const String& value, CSSPrimitiveValue::UnitTypes, bool important = false); // parsed string value
void setImageProperty(int propertyId, const String& url, bool important = false);
// 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<CSSMutableStyleDeclaration> copyBlockProperties() const;
void removeBlockProperties();
void removePropertiesInSet(const int* set, unsigned length, bool notifyChanged = true);
void merge(const CSSMutableStyleDeclaration*, bool argOverridesOnConflict = true);
void setStrictParsing(bool b) { m_strictParsing = b; }
bool useStrictParsing() const { return m_strictParsing; }
void addSubresourceStyleURLs(ListHashSet<KURL>&);
protected:
CSSMutableStyleDeclaration(CSSRule* parentRule);
private:
CSSMutableStyleDeclaration();
CSSMutableStyleDeclaration(CSSRule* parentRule, const Vector<CSSProperty>&);
CSSMutableStyleDeclaration(CSSRule* parentRule, const CSSProperty* const *, int numProperties);
virtual PassRefPtr<CSSMutableStyleDeclaration> makeMutable();
void setNeedsStyleRecalc();
String getShorthandValue(const int* properties, int number) const;
String getCommonValue(const int* properties, int number) const;
String getLayeredShorthandValue(const int* properties, unsigned number) const;
String get4Values(const int* properties) const;
void setPropertyInternal(const CSSProperty&, CSSProperty* slot = 0);
bool removeShorthandProperty(int propertyID, bool notifyChanged);
Vector<CSSProperty>::const_iterator findPropertyWithId(int propertyId) const;
Vector<CSSProperty>::iterator findPropertyWithId(int propertyId);
Vector<CSSProperty, 4> m_properties;
Node* m_node;
bool m_strictParsing : 1;
#ifndef NDEBUG
unsigned m_iteratorCount : 4;
#endif
friend class CSSMutableStyleDeclarationConstIterator;
};
inline CSSMutableStyleDeclarationConstIterator::CSSMutableStyleDeclarationConstIterator(const CSSMutableStyleDeclaration* decl, CSSProperty* current)
: m_decl(decl)
, m_current(current)
{
#ifndef NDEBUG
const_cast<CSSMutableStyleDeclaration*>(m_decl)->m_iteratorCount++;
#endif
}
inline CSSMutableStyleDeclarationConstIterator::CSSMutableStyleDeclarationConstIterator(const CSSMutableStyleDeclarationConstIterator& o)
: m_decl(o.m_decl)
, m_current(o.m_current)
{
#ifndef NDEBUG
const_cast<CSSMutableStyleDeclaration*>(m_decl)->m_iteratorCount++;
#endif
}
inline CSSMutableStyleDeclarationConstIterator::~CSSMutableStyleDeclarationConstIterator()
{
#ifndef NDEBUG
const_cast<CSSMutableStyleDeclaration*>(m_decl)->m_iteratorCount--;
#endif
}
inline CSSMutableStyleDeclarationConstIterator& CSSMutableStyleDeclarationConstIterator::operator=(const CSSMutableStyleDeclarationConstIterator& o)
{
m_decl = o.m_decl;
m_current = o.m_current;
#ifndef NDEBUG
const_cast<CSSMutableStyleDeclaration*>(m_decl)->m_iteratorCount++;
#endif
return *this;
}
inline CSSMutableStyleDeclarationConstIterator& CSSMutableStyleDeclarationConstIterator::operator++()
{
ASSERT(m_current != const_cast<CSSMutableStyleDeclaration*>(m_decl)->m_properties.end());
++m_current;
return *this;
}
inline CSSMutableStyleDeclarationConstIterator& CSSMutableStyleDeclarationConstIterator::operator--()
{
--m_current;
return *this;
}
} // namespace WebCore
#endif // CSSMutableStyleDeclaration_h
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