/**
 * 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.
 *
 */

#include "css/css_ruleimpl.h"

using namespace DOM;

CSSRule::CSSRule()
{
    impl = 0;
}

CSSRule::CSSRule(const CSSRule &other)
{
    impl = other.impl;
    if (impl) {
        impl->ref();
    }
}

CSSRule::CSSRule(CSSRuleImpl *i)
{
    impl = i;
    if (impl) {
        impl->ref();
    }
}

CSSRule &CSSRule::operator = (const CSSRule &other)
{
    if (impl != other.impl) {
        if (impl) {
            impl->deref();
        }
        impl = other.impl;
        if (impl) {
            impl->ref();
        }
    }
    return *this;
}

CSSRule::~CSSRule()
{
    if (impl) {
        impl->deref();
    }
}

unsigned short CSSRule::type() const
{
    if (!impl) {
        return 0;
    }
    return ((CSSRuleImpl *)impl)->type();
}

DOMString CSSRule::cssText() const
{
    if (!impl) {
        return DOMString();
    }
    return impl->cssText();
}

void CSSRule::setCssText(const DOMString &value)
{
    if (!impl) {
        return;
    }
    impl->setCssText(value);
}

CSSStyleSheet CSSRule::parentStyleSheet() const
{
    if (!impl) {
        return CSSStyleSheet();
    }
    return ((CSSRuleImpl *)impl)->parentStyleSheet();
}

CSSRule CSSRule::parentRule() const
{
    if (!impl) {
        return 0;
    }
    return ((CSSRuleImpl *)impl)->parentRule();
}

CSSRuleImpl *CSSRule::handle() const
{
    return impl;
}

bool CSSRule::isNull() const
{
    return (impl == 0);
}

void CSSRule::assignOther(const CSSRule &other, RuleType thisType)
{
    if (other.type() != thisType) {
        if (impl) {
            impl->deref();
        }
        impl = 0;
    } else {
        CSSRule::operator = (other);
    }
}

// ----------------------------------------------------------

CSSCharsetRule::CSSCharsetRule()
    : CSSRule()
{
}

CSSCharsetRule::CSSCharsetRule(const CSSCharsetRule &other) : CSSRule(other)
{
}

CSSCharsetRule::CSSCharsetRule(const CSSRule &other)
{
    impl = 0;
    operator=(other);
}

CSSCharsetRule::CSSCharsetRule(CSSCharsetRuleImpl *impl) : CSSRule(impl)
{
}

CSSCharsetRule &CSSCharsetRule::operator = (const CSSCharsetRule &other)
{
    CSSRule::operator = (other);
    return *this;
}

CSSCharsetRule &CSSCharsetRule::operator = (const CSSRule &other)
{
    assignOther(other, CSSRule::CHARSET_RULE);
    return *this;
}

CSSCharsetRule::~CSSCharsetRule()
{
}

DOMString CSSCharsetRule::encoding() const
{
    if (!impl) {
        return DOMString();
    }
    return ((CSSCharsetRuleImpl *)impl)->encoding();
}

void CSSCharsetRule::setEncoding(const DOMString &value)
{
    ((CSSCharsetRuleImpl *)impl)->setEncoding(value);
}

// ----------------------------------------------------------

CSSFontFaceRule::CSSFontFaceRule() : CSSRule()
{
}

CSSFontFaceRule::CSSFontFaceRule(const CSSFontFaceRule &other) : CSSRule(other)
{
}

CSSFontFaceRule::CSSFontFaceRule(const CSSRule &other)
{
    impl = 0;
    operator=(other);
}

CSSFontFaceRule::CSSFontFaceRule(CSSFontFaceRuleImpl *impl) : CSSRule(impl)
{
}

CSSFontFaceRule &CSSFontFaceRule::operator = (const CSSFontFaceRule &other)
{
    CSSRule::operator = (other);
    return *this;
}

CSSFontFaceRule &CSSFontFaceRule::operator = (const CSSRule &other)
{
    assignOther(other, CSSRule::FONT_FACE_RULE);
    return *this;
}

CSSFontFaceRule::~CSSFontFaceRule()
{
}

CSSStyleDeclaration CSSFontFaceRule::style() const
{
    if (!impl) {
        return CSSStyleDeclaration();
    }
    return ((CSSFontFaceRuleImpl *)impl)->style();
}

// ----------------------------------------------------------

CSSImportRule::CSSImportRule() : CSSRule()
{
}

CSSImportRule::CSSImportRule(const CSSImportRule &other) : CSSRule(other)
{
}

CSSImportRule::CSSImportRule(const CSSRule &other)
{
    impl = 0;
    operator=(other);
}

CSSImportRule::CSSImportRule(CSSImportRuleImpl *impl) : CSSRule(impl)
{
}

CSSImportRule &CSSImportRule::operator = (const CSSImportRule &other)
{
    CSSRule::operator = (other);
    return *this;
}

CSSImportRule &CSSImportRule::operator = (const CSSRule &other)
{
    assignOther(other, CSSRule::IMPORT_RULE);
    return *this;
}

CSSImportRule::~CSSImportRule()
{
}

DOMString CSSImportRule::href() const
{
    if (!impl) {
        return DOMString();
    }
    return ((CSSImportRuleImpl *)impl)->href();
}

MediaList CSSImportRule::media() const
{
    if (!impl) {
        return MediaList();
    }
    return ((CSSImportRuleImpl *)impl)->media();
}

CSSStyleSheet CSSImportRule::styleSheet() const
{
    if (!impl) {
        return CSSStyleSheet();
    }
    return ((CSSImportRuleImpl *)impl)->styleSheet();
}

// ----------------------------------------------------------

CSSMediaRule::CSSMediaRule() : CSSRule()
{
}

CSSMediaRule::CSSMediaRule(const CSSMediaRule &other) : CSSRule(other)
{
}

CSSMediaRule::CSSMediaRule(const CSSRule &other)
{
    impl = 0;
    operator=(other);
}

CSSMediaRule::CSSMediaRule(CSSMediaRuleImpl *impl) : CSSRule(impl)
{
}

CSSMediaRule &CSSMediaRule::operator = (const CSSMediaRule &other)
{
    CSSRule::operator = (other);
    return *this;
}

CSSMediaRule &CSSMediaRule::operator = (const CSSRule &other)
{
    assignOther(other, CSSRule::MEDIA_RULE);
    return *this;
}

CSSMediaRule::~CSSMediaRule()
{
}

MediaList CSSMediaRule::media() const
{
    if (!impl) {
        return MediaList();
    }
    return ((CSSMediaRuleImpl *)impl)->media();
}

CSSRuleList CSSMediaRule::cssRules() const
{
    if (!impl) {
        return CSSRuleList();
    }
    return ((CSSMediaRuleImpl *)impl)->cssRules();
}

unsigned long CSSMediaRule::insertRule(const DOMString &rule, unsigned long index)
{
    if (!impl) {
        return 0;
    }
    return ((CSSMediaRuleImpl *)impl)->insertRule(rule, index);
}

void CSSMediaRule::deleteRule(unsigned long index)
{
    if (impl) {
        ((CSSMediaRuleImpl *)impl)->deleteRule(index);
    }
}

// ----------------------------------------------------------

CSSPageRule::CSSPageRule() : CSSRule()
{
}

CSSPageRule::CSSPageRule(const CSSPageRule &other) : CSSRule(other)
{
}

CSSPageRule::CSSPageRule(const CSSRule &other)
{
    impl = 0;
    operator=(other);
}

CSSPageRule::CSSPageRule(CSSPageRuleImpl *impl) : CSSRule(impl)
{
}

CSSPageRule &CSSPageRule::operator = (const CSSPageRule &other)
{
    CSSRule::operator = (other);
    return *this;
}

CSSPageRule &CSSPageRule::operator = (const CSSRule &other)
{
    assignOther(other, CSSRule::PAGE_RULE);
    return *this;
}

CSSPageRule::~CSSPageRule()
{
}

DOMString CSSPageRule::selectorText() const
{
    if (!impl) {
        return DOMString();
    }
    return ((CSSPageRuleImpl *)impl)->selectorText();
}

void CSSPageRule::setSelectorText(const DOMString &value)
{
    ((CSSPageRuleImpl *)impl)->setSelectorText(value);
}

CSSStyleDeclaration CSSPageRule::style() const
{
    if (!impl) {
        return CSSStyleDeclaration();
    }
    return ((CSSPageRuleImpl *)impl)->style();
}

// ----------------------------------------------------------

CSSStyleRule::CSSStyleRule() : CSSRule()
{
}

CSSStyleRule::CSSStyleRule(const CSSStyleRule &other)
    : CSSRule(other)
{
}

CSSStyleRule::CSSStyleRule(const CSSRule &other)
{
    impl = 0;
    operator=(other);
}

CSSStyleRule::CSSStyleRule(CSSStyleRuleImpl *impl)
    : CSSRule(impl)
{
}

CSSStyleRule &CSSStyleRule::operator = (const CSSStyleRule &other)
{
    CSSRule::operator = (other);
    return *this;
}

CSSStyleRule &CSSStyleRule::operator = (const CSSRule &other)
{
    assignOther(other, CSSRule::STYLE_RULE);
    return *this;
}

CSSStyleRule::~CSSStyleRule()
{
}

DOMString CSSStyleRule::selectorText() const
{
    if (!impl) {
        return DOMString();
    }
    return ((CSSStyleRuleImpl *)impl)->selectorText();
}

void CSSStyleRule::setSelectorText(const DOMString &value)
{
    ((CSSStyleRuleImpl *)impl)->setSelectorText(value);
}

CSSStyleDeclaration CSSStyleRule::style() const
{
    if (!impl) {
        return CSSStyleDeclaration();
    }
    return ((CSSStyleRuleImpl *)impl)->style();
}

// ----------------------------------------------------------

CSSNamespaceRule::CSSNamespaceRule() : CSSRule()
{
}

CSSNamespaceRule::CSSNamespaceRule(const CSSNamespaceRule &other)
    : CSSRule(other)
{
}

CSSNamespaceRule::CSSNamespaceRule(const CSSRule &other)
{
    impl = 0;
    operator=(other);
}

CSSNamespaceRule::CSSNamespaceRule(CSSNamespaceRuleImpl *impl)
    : CSSRule(impl)
{
}

CSSNamespaceRule &CSSNamespaceRule::operator = (const CSSNamespaceRule &other)
{
    CSSRule::operator = (other);
    return *this;
}

CSSNamespaceRule &CSSNamespaceRule::operator = (const CSSRule &other)
{
    assignOther(other, CSSRule::NAMESPACE_RULE);
    return *this;
}

CSSNamespaceRule::~CSSNamespaceRule()
{
}

DOMString CSSNamespaceRule::namespaceURI() const
{
    if (!impl) {
        return DOMString();
    }
    return static_cast<CSSNamespaceRuleImpl *>(impl)->namespaceURI();
}

DOMString CSSNamespaceRule::prefix() const
{
    if (!impl) {
        return DOMString();
    }
    return static_cast<CSSNamespaceRuleImpl *>(impl)->prefix();
}

// ----------------------------------------------------------

CSSUnknownRule::CSSUnknownRule() : CSSRule()
{
}

CSSUnknownRule::CSSUnknownRule(const CSSUnknownRule &other)
    : CSSRule(other)
{
}

CSSUnknownRule::CSSUnknownRule(const CSSRule &other)
{
    impl = 0;
    operator=(other);
}

CSSUnknownRule::CSSUnknownRule(CSSUnknownRuleImpl *impl)
    : CSSRule(impl)
{
}

CSSUnknownRule &CSSUnknownRule::operator = (const CSSUnknownRule &other)
{
    CSSRule::operator = (other);
    return *this;
}

CSSUnknownRule &CSSUnknownRule::operator = (const CSSRule &other)
{
    assignOther(other, CSSRule::UNKNOWN_RULE);
    return *this;
}

CSSUnknownRule::~CSSUnknownRule()
{
}

// ----------------------------------------------------------

CSSRuleList::CSSRuleList()
{
    impl = 0;
}

CSSRuleList::CSSRuleList(const CSSRuleList &other)
{
    impl = other.impl;
    if (impl) {
        impl->ref();
    }
}

CSSRuleList::CSSRuleList(CSSRuleListImpl *i)
{
    impl = i;
    if (impl) {
        impl->ref();
    }
}

CSSRuleList::CSSRuleList(StyleListImpl *lst)
{
    impl = new CSSRuleListImpl;
    impl->ref();
    if (lst) {
        for (unsigned long i = 0; i < lst->length(); ++i) {
            StyleBaseImpl *style = lst->item(i);
            if (style->isRule()) {
                impl->insertRule(static_cast<CSSRuleImpl *>(style), impl->length());
            }
        }
    }
}

CSSRuleList &CSSRuleList::operator = (const CSSRuleList &other)
{
    if (impl != other.impl) {
        if (impl) {
            impl->deref();
        }
        impl = other.impl;
        if (impl) {
            impl->ref();
        }
    }
    return *this;
}

CSSRuleList::~CSSRuleList()
{
    if (impl) {
        impl->deref();
    }
}

unsigned long CSSRuleList::length() const
{
    if (!impl) {
        return 0;
    }
    return ((CSSRuleListImpl *)impl)->length();
    return 0;
}

CSSRule CSSRuleList::item(unsigned long index)
{
    if (!impl) {
        return CSSRule();
    }
    return ((CSSRuleListImpl *)impl)->item(index);
}

CSSRuleListImpl *CSSRuleList::handle() const
{
    return impl;
}

bool CSSRuleList::isNull() const
{
    return (impl == 0);
}

