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KHTML

css_value.h

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/*
 * This file is part of the DOM implementation for KDE.
 *
 * (C) 1999 Lars Knoll (knoll@kde.org)
 *
 * 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.
 *
 * This file includes excerpts from the Document Object Model (DOM)
 * Level 2 Specification (Style)
 * http://www.w3.org/TR/DOM-Level-2-Style/
 * Copyright © 2000 W3C® (MIT, INRIA, Keio), All Rights Reserved.
 *
 */
#ifndef _CSS_css_value_h_
#define _CSS_css_value_h_

#include <dom/dom_string.h>

#include <qcolor.h>

#include <kdemacros.h>

namespace DOM {

class CSSStyleDeclarationImpl;
class CSSRule;
class CSSValue;

class KHTML_EXPORT CSSStyleDeclaration
{
public:
    CSSStyleDeclaration();
    CSSStyleDeclaration(const CSSStyleDeclaration &other);
    CSSStyleDeclaration(CSSStyleDeclarationImpl *impl);
public:

    CSSStyleDeclaration & operator = (const CSSStyleDeclaration &other);

    ~CSSStyleDeclaration();

    DOM::DOMString cssText() const;

    void setCssText( const DOM::DOMString & );

    unsigned long length() const;

    CSSRule parentRule() const;

    DOM::DOMString getPropertyValue ( const DOM::DOMString &propertyName ) const;
    DOM::DOMString getPropertyValue ( const DOM::DOMString &propertyName );

    CSSValue getPropertyCSSValue ( const DOM::DOMString &propertyName ) const;
    CSSValue getPropertyCSSValue ( const DOM::DOMString &propertyName );

    DOM::DOMString removeProperty ( const DOM::DOMString &propertyName );

    DOM::DOMString getPropertyPriority ( const DOM::DOMString &propertyName ) const;
    DOM::DOMString getPropertyPriority ( const DOM::DOMString &propertyName );

    void setProperty ( const DOM::DOMString &propertyName, const DOM::DOMString &value, const DOM::DOMString &priority );

    DOM::DOMString item ( unsigned long index ) const;
    DOM::DOMString item ( unsigned long index );

    CSSStyleDeclarationImpl *handle() const;
    bool isNull() const;

protected:
    CSSStyleDeclarationImpl *impl;
};


class CSSValueImpl;

class KHTML_EXPORT CSSValue
{
public:
    CSSValue();
    CSSValue(const CSSValue &other);
    CSSValue(CSSValueImpl *impl);
public:

    CSSValue & operator = (const CSSValue &other);

    ~CSSValue();
    enum UnitTypes {
    CSS_INHERIT = 0,
        CSS_PRIMITIVE_VALUE = 1,
        CSS_VALUE_LIST = 2,
        CSS_CUSTOM = 3,
        CSS_INITIAL = 4
    };

    DOM::DOMString cssText() const;

    void setCssText( const DOM::DOMString & );

    unsigned short cssValueType() const;

    bool isCSSValueList() const;
    bool isCSSPrimitiveValue() const;
    CSSValueImpl *handle() const;
    bool isNull() const;

protected:
    CSSValueImpl *impl;
};


class CSSValueListImpl;
class CSSValue;

class KHTML_EXPORT CSSValueList : public CSSValue
{
public:
    CSSValueList();
    CSSValueList(const CSSValueList &other);
    CSSValueList(const CSSValue &other);
    CSSValueList(CSSValueListImpl *impl);
public:

    CSSValueList & operator = (const CSSValueList &other);
    CSSValueList & operator = (const CSSValue &other);

    ~CSSValueList();

    unsigned long length() const;

    CSSValue item ( unsigned long index );

protected:
    CSSValueListImpl *vimpl;
};


class CSSPrimitiveValueImpl;
class Counter;
class RGBColor;
class Rect;

class KHTML_EXPORT CSSPrimitiveValue : public CSSValue
{
public:
    CSSPrimitiveValue();
    CSSPrimitiveValue(const CSSPrimitiveValue &other);
    CSSPrimitiveValue(const CSSValue &other);
    CSSPrimitiveValue(CSSPrimitiveValueImpl *impl);
public:

    CSSPrimitiveValue & operator = (const CSSPrimitiveValue &other);
    CSSPrimitiveValue & operator = (const CSSValue &other);

    ~CSSPrimitiveValue();
    enum UnitTypes {
        CSS_UNKNOWN = 0,
        CSS_NUMBER = 1,
        CSS_PERCENTAGE = 2,
        CSS_EMS = 3,
        CSS_EXS = 4,
        CSS_PX = 5,
        CSS_CM = 6,
        CSS_MM = 7,
        CSS_IN = 8,
        CSS_PT = 9,
        CSS_PC = 10,
        CSS_DEG = 11,
        CSS_RAD = 12,
        CSS_GRAD = 13,
        CSS_MS = 14,
        CSS_S = 15,
        CSS_HZ = 16,
        CSS_KHZ = 17,
        CSS_DIMENSION = 18,
        CSS_STRING = 19,
        CSS_URI = 20,
        CSS_IDENT = 21,
        CSS_ATTR = 22,
        CSS_COUNTER = 23,
        CSS_RECT = 24,
        CSS_RGBCOLOR = 25,
        CSS_PAIR = 100, // We envision this being exposed as a means of getting computed style values for pairs 
        CSS_HTML_RELATIVE = 255
    };

    unsigned short primitiveType() const;

    void setFloatValue ( unsigned short unitType, float floatValue );

    // ### KDE 4: make this const!
    float getFloatValue ( unsigned short unitType );

    void setStringValue ( unsigned short stringType, const DOM::DOMString &stringValue );

    // ### KDE4: make this const!
    DOM::DOMString getStringValue (  );

    // ### KDE4: make this const!
    Counter getCounterValue (  );

    // ### KDE4: make this const!
    Rect getRectValue (  );

    // ### KDE4: make this const!
    RGBColor getRGBColorValue (  );
};



class KHTML_EXPORT RGBColor
{
public:
    RGBColor();
    RGBColor(const QColor& c) { m_color = c.rgb(); }
    RGBColor(QRgb color);

    RGBColor(const RGBColor &other);
    RGBColor & operator = (const RGBColor &other);

    ~RGBColor();

    CSSPrimitiveValue red() const;

    CSSPrimitiveValue green() const;

    CSSPrimitiveValue blue() const;

    QRgb color() const { return m_color; }
protected:
    QRgb m_color;
};

class RectImpl;

class KHTML_EXPORT Rect
{
    friend class CSSPrimitiveValue;
public:
    Rect();
    Rect(const Rect &other);

    Rect & operator = (const Rect &other);

    ~Rect();

    CSSPrimitiveValue top() const;

    CSSPrimitiveValue right() const;

    CSSPrimitiveValue bottom() const;

    CSSPrimitiveValue left() const;

    RectImpl *handle() const;
    bool isNull() const;

protected:
    RectImpl *impl;
    Rect(RectImpl *i);
};

class CounterImpl;

class KHTML_EXPORT Counter
{
    friend class CSSPrimitiveValue;
public:
    Counter();
    Counter(const Counter &other);
public:

    Counter & operator = (const Counter &other);

    ~Counter();

    DOM::DOMString identifier() const;

    DOM::DOMString listStyle() const;

    DOM::DOMString separator() const;

    CounterImpl *handle() const;
    bool isNull() const;

protected:
    CounterImpl *impl;
    Counter(CounterImpl *i);
};


} // namespace


#endif

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