/*

 * This file is part of the DOM implementation for KDE.

 *

 * (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 CSSMutableStyleDeclaration_h

#define CSSMutableStyleDeclaration_h

#include "CSSStyleDeclaration.h"

#include "CSSPrimitiveValue.h"

#include "DeprecatedValueList.h"

#include "Node.h"

#include "PlatformString.h"

namespace WebCore {

class CSSProperty;

class Node;

class CSSMutableStyleDeclaration : public CSSStyleDeclaration {

public:

    CSSMutableStyleDeclaration();

    CSSMutableStyleDeclaration(CSSRule* parentRule);

    CSSMutableStyleDeclaration(CSSRule* parentRule, const DeprecatedValueList<CSSProperty>&);

    CSSMutableStyleDeclaration(CSSRule* parentRule, const CSSProperty* const *, int numProperties);

    CSSMutableStyleDeclaration& operator=(const CSSMutableStyleDeclaration&);

    void setNode(Node* node) { m_node = node; }

    virtual String cssText() const;

    virtual void setCssText(const String&, ExceptionCode&);

    virtual unsigned length() const;

    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;

    virtual PassRefPtr<CSSMutableStyleDeclaration> makeMutable();

    DeprecatedValueListConstIterator<CSSProperty> valuesIterator() const { return m_values.begin(); }

    bool setProperty(int propertyID, int value, bool important = false, bool notifyChanged = true);

    bool setProperty(int propertyID, const String& value, bool important, bool notifyChanged, ExceptionCode&);

    bool setProperty(int propertyId, const String& value, bool important = false, bool notifyChanged = true)

    { 

        ExceptionCode ec;

        return setProperty(propertyId, value, important, notifyChanged, ec);

    }

    String removeProperty(int propertyID, bool notifyChanged, ExceptionCode&);

    String removeProperty(int propertyID, bool notifyChanged = true)

    {

        ExceptionCode ec;

        return removeProperty(propertyID, notifyChanged, ec);

    }

    void clear();

    void setChanged(StyleChangeType changeType = FullStyleChange);

    // 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);

    PassRefPtr<CSSMutableStyleDeclaration> copyBlockProperties() const;

    void removeBlockProperties();

    void removePropertiesInSet(const int* set, unsigned length, bool notifyChanged = true);

    void merge(CSSMutableStyleDeclaration*, bool argOverridesOnConflict = true);

private:

    String getShorthandValue(const int* properties, int number) const;

    String getLayeredShorthandValue(const int* properties, unsigned number) const;

    String get4Values(const int* properties) const;

    DeprecatedValueList<CSSProperty> m_values;

    Node* m_node;

};

} // namespace WebCore

#endif // CSSMutableStyleDeclaration_h