css_rule.h

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/*
 * This file is part of the DOM implementation for KDE.
 *
 * Copyright 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 (Candidate Recommendation)
 * http://www.w3.org/TR/2000/CR-DOM-Level-2-20000510/
 * Copyright © 2000 W3C® (MIT, INRIA, Keio), All Rights Reserved.
 *
 */
#ifndef _CSS_css_rule_h_
#define _CSS_css_rule_h_

#include <dom/dom_string.h>
#include <dom/css_stylesheet.h>
#include <dom/css_value.h>

namespace DOM {

class CSSRuleImpl;

class KHTML_EXPORT CSSRule
{
public:
    CSSRule();
    CSSRule(const CSSRule &other);
    CSSRule(CSSRuleImpl *impl);
public:

    CSSRule & operator = (const CSSRule &other);

    ~CSSRule();
    enum RuleType {
        UNKNOWN_RULE = 0,
        STYLE_RULE = 1,
        CHARSET_RULE = 2,
        IMPORT_RULE = 3,
        MEDIA_RULE = 4,
        FONT_FACE_RULE = 5,
        PAGE_RULE = 6,
        NAMESPACE_RULE = 10, 
    QUIRKS_RULE = 100 // KHTML CSS Extension
    };

    unsigned short type() const;

    DOM::DOMString cssText() const;

    void setCssText( const DOM::DOMString & );

    CSSStyleSheet parentStyleSheet() const;

    CSSRule parentRule() const;

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

protected:
    CSSRuleImpl *impl;

    void assignOther( const CSSRule &other, RuleType thisType );
};

class CSSCharsetRuleImpl;

class KHTML_EXPORT CSSCharsetRule : public CSSRule
{
public:
    CSSCharsetRule();
    CSSCharsetRule(const CSSCharsetRule &other);
    CSSCharsetRule(const CSSRule &other);
    CSSCharsetRule(CSSCharsetRuleImpl *impl);
public:

    CSSCharsetRule & operator = (const CSSCharsetRule &other);
    CSSCharsetRule & operator = (const CSSRule &other);

    ~CSSCharsetRule();

    DOM::DOMString encoding() const;

    void setEncoding( const DOM::DOMString & );
};


class CSSFontFaceRuleImpl;
class KHTML_EXPORT CSSFontFaceRule : public CSSRule
{
public:
    CSSFontFaceRule();
    CSSFontFaceRule(const CSSFontFaceRule &other);
    CSSFontFaceRule(const CSSRule &other);
    CSSFontFaceRule(CSSFontFaceRuleImpl *impl);
public:

    CSSFontFaceRule & operator = (const CSSFontFaceRule &other);
    CSSFontFaceRule & operator = (const CSSRule &other);

    ~CSSFontFaceRule();

    CSSStyleDeclaration style() const;
};

class CSSImportRuleImpl;
class KHTML_EXPORT CSSImportRule : public CSSRule
{
public:
    CSSImportRule();
    CSSImportRule(const CSSImportRule &other);
    CSSImportRule(const CSSRule &other);
    CSSImportRule(CSSImportRuleImpl *impl);
public:

    CSSImportRule & operator = (const CSSImportRule &other);
    CSSImportRule & operator = (const CSSRule &other);

    ~CSSImportRule();

    DOM::DOMString href() const;

    MediaList media() const;

    CSSStyleSheet styleSheet() const;
};

class CSSMediaRuleImpl;
class KHTML_EXPORT CSSMediaRule : public CSSRule
{
public:
    CSSMediaRule();
    CSSMediaRule(const CSSMediaRule &other);
    CSSMediaRule(const CSSRule &other);
    CSSMediaRule(CSSMediaRuleImpl *impl);
public:

    CSSMediaRule & operator = (const CSSMediaRule &other);
    CSSMediaRule & operator = (const CSSRule &other);

    ~CSSMediaRule();

    MediaList media() const;

    CSSRuleList cssRules() const;

    unsigned long insertRule ( const DOM::DOMString &rule, unsigned long index );

    void deleteRule ( unsigned long index );
};


class CSSPageRuleImpl;
class KHTML_EXPORT CSSPageRule : public CSSRule
{
public:
    CSSPageRule();
    CSSPageRule(const CSSPageRule &other);
    CSSPageRule(const CSSRule &other);
    CSSPageRule(CSSPageRuleImpl *impl);
public:

    CSSPageRule & operator = (const CSSPageRule &other);
    CSSPageRule & operator = (const CSSRule &other);

    ~CSSPageRule();

    DOM::DOMString selectorText() const;

    void setSelectorText( const DOM::DOMString & );

    CSSStyleDeclaration style() const;
};

class CSSStyleRuleImpl;
class KHTML_EXPORT CSSStyleRule : public CSSRule
{
public:
    CSSStyleRule();
    CSSStyleRule(const CSSStyleRule &other);
    CSSStyleRule(const CSSRule &other);
    CSSStyleRule(CSSStyleRuleImpl *impl);
public:

    CSSStyleRule & operator = (const CSSStyleRule &other);
    CSSStyleRule & operator = (const CSSRule &other);

    ~CSSStyleRule();

    DOM::DOMString selectorText() const;

    void setSelectorText( const DOM::DOMString & );

    CSSStyleDeclaration style() const;
};

class CSSNamespaceRuleImpl;
class KHTML_EXPORT CSSNamespaceRule : public CSSRule
{
public:
    CSSNamespaceRule();
    CSSNamespaceRule(const CSSNamespaceRule &other);
    CSSNamespaceRule(const CSSRule &other);
    CSSNamespaceRule(CSSNamespaceRuleImpl *impl);
    
    DOMString namespaceURI() const;
    DOMString prefix() const;
public:

    CSSNamespaceRule & operator = (const CSSNamespaceRule &other);
    CSSNamespaceRule & operator = (const CSSRule &other);

    ~CSSNamespaceRule();
};




class CSSUnknownRuleImpl;
class KHTML_EXPORT CSSUnknownRule : public CSSRule
{
public:
    CSSUnknownRule();
    CSSUnknownRule(const CSSUnknownRule &other);
    CSSUnknownRule(const CSSRule &other);
    CSSUnknownRule(CSSUnknownRuleImpl *impl);
public:

    CSSUnknownRule & operator = (const CSSUnknownRule &other);
    CSSUnknownRule & operator = (const CSSRule &other);

    ~CSSUnknownRule();
};


class CSSRuleListImpl;
class StyleListImpl;
class KHTML_EXPORT CSSRuleList
{
public:
    CSSRuleList();
    CSSRuleList(const CSSRuleList &other);
    CSSRuleList(CSSRuleListImpl *i);
    CSSRuleList(StyleListImpl *i);
public:

    CSSRuleList & operator = (const CSSRuleList &other);

    ~CSSRuleList();

    unsigned long length() const;

    CSSRule item ( unsigned long index );

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

protected:
    // we just need a pointer to an implementation here.
    CSSRuleListImpl *impl;
};


} // namespace

#endif