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tdelibs/tdehtml/dom/css_stylesheet.cpp

458 lines
9.3 KiB

/**
* This file is part of the DOM implementation for KDE.
*
* Copyright (C) 1999-2003 Lars Knoll (knoll@kde.org)
* (C) 2001-2003 Dirk Mueller (mueller@kde.org)
* (C) 2003 Apple Compputer, 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.
*
*/
#include "dom/dom_exception.h"
#include "dom/css_rule.h"
#include "dom/dom_doc.h"
#include "xml/dom_docimpl.h"
#include "html/html_headimpl.h"
#include "css/css_stylesheetimpl.h"
#include "misc/htmlhashes.h"
#include <stdio.h>
using namespace DOM;
StyleSheet::StyleSheet()
{
impl = 0;
}
StyleSheet::StyleSheet(const StyleSheet &other)
{
impl = other.impl;
if(impl) impl->ref();
}
StyleSheet::StyleSheet(StyleSheetImpl *i)
{
impl = i;
if(impl) impl->ref();
}
StyleSheet &StyleSheet::operator = (const StyleSheet &other)
{
if ( impl != other.impl ) {
if(impl) impl->deref();
impl = other.impl;
if(impl) impl->ref();
}
return *this;
}
StyleSheet::~StyleSheet()
{
if(impl) impl->deref();
}
DOMString StyleSheet::type() const
{
if(!impl) return DOMString();
return ((StyleSheetImpl *)impl)->type();
}
bool StyleSheet::disabled() const
{
if(!impl) return 0;
return ((StyleSheetImpl *)impl)->disabled();
}
void StyleSheet::setDisabled( bool _disabled )
{
if(impl)
((StyleSheetImpl *)impl)->setDisabled( _disabled );
}
DOM::Node StyleSheet::ownerNode() const
{
if(!impl) return Node();
return ((StyleSheetImpl *)impl)->ownerNode();
}
StyleSheet StyleSheet::parentStyleSheet() const
{
if(!impl) return 0;
return ((StyleSheetImpl *)impl)->parentStyleSheet();
}
DOMString StyleSheet::href() const
{
if(!impl) return DOMString();
return ((StyleSheetImpl *)impl)->href();
}
DOMString StyleSheet::title() const
{
if(!impl) return DOMString();
return ((StyleSheetImpl *)impl)->title();
}
MediaList StyleSheet::media() const
{
if(!impl) return 0;
return ((StyleSheetImpl *)impl)->media();
}
bool StyleSheet::isCSSStyleSheet() const
{
if(!impl) return false;
return ((StyleSheetImpl *)impl)->isCSSStyleSheet();
}
CSSStyleSheet::CSSStyleSheet() : StyleSheet()
{
}
CSSStyleSheet::CSSStyleSheet(const CSSStyleSheet &other) : StyleSheet(other)
{
}
CSSStyleSheet::CSSStyleSheet(const StyleSheet &other)
{
if (!other.isCSSStyleSheet())
impl = 0;
else
operator=(other);
}
CSSStyleSheet::CSSStyleSheet(CSSStyleSheetImpl *impl) : StyleSheet(impl)
{
}
CSSStyleSheet &CSSStyleSheet::operator = (const CSSStyleSheet &other)
{
StyleSheet::operator = (other);
return *this;
}
CSSStyleSheet &CSSStyleSheet::operator = (const StyleSheet &other)
{
if(!other.handle()->isCSSStyleSheet())
{
if(impl) impl->deref();
impl = 0;
} else {
StyleSheet::operator = (other);
}
return *this;
}
CSSStyleSheet::~CSSStyleSheet()
{
}
CSSRule CSSStyleSheet::ownerRule() const
{
if(!impl) return 0;
return ((CSSStyleSheetImpl *)impl)->ownerRule();
}
CSSRuleList CSSStyleSheet::cssRules() const
{
if(!impl) return (CSSRuleListImpl*)0;
return ((CSSStyleSheetImpl *)impl)->cssRules();
}
unsigned long CSSStyleSheet::insertRule( const DOMString &rule, unsigned long index )
{
int exceptioncode = 0;
if(!impl) return 0;
unsigned long retval = ((CSSStyleSheetImpl *)impl)->insertRule( rule, index, exceptioncode );
if ( exceptioncode >= CSSException::_EXCEPTION_OFFSET )
throw CSSException( exceptioncode - CSSException::_EXCEPTION_OFFSET );
if ( exceptioncode )
throw DOMException( exceptioncode );
return retval;
}
void CSSStyleSheet::deleteRule( unsigned long index )
{
int exceptioncode = 0;
if(impl)
((CSSStyleSheetImpl *)impl)->deleteRule( index, exceptioncode );
if ( exceptioncode >= CSSException::_EXCEPTION_OFFSET )
throw CSSException( exceptioncode - CSSException::_EXCEPTION_OFFSET );
if ( exceptioncode )
throw DOMException( exceptioncode );
}
StyleSheetList::StyleSheetList()
{
impl = 0;
}
StyleSheetList::StyleSheetList(const StyleSheetList &other)
{
impl = other.impl;
if(impl) impl->ref();
}
StyleSheetList::StyleSheetList(StyleSheetListImpl *i)
{
impl = i;
if(impl) impl->ref();
}
StyleSheetList &StyleSheetList::operator = (const StyleSheetList &other)
{
if ( impl != other.impl ) {
if(impl) impl->deref();
impl = other.impl;
if(impl) impl->ref();
}
return *this;
}
StyleSheetList::~StyleSheetList()
{
if(impl) impl->deref();
}
unsigned long StyleSheetList::length() const
{
if(!impl) return 0;
return ((StyleSheetListImpl *)impl)->length();
}
StyleSheet StyleSheetList::item( unsigned long index )
{
if(!impl) return StyleSheet();
return ((StyleSheetListImpl *)impl)->item( index );
}
StyleSheetListImpl *StyleSheetList::handle() const
{
return impl;
}
bool StyleSheetList::isNull() const
{
return (impl == 0);
}
// ----------------------------------------------------------
MediaList::MediaList()
{
impl = 0;
}
MediaList::MediaList(const MediaList &other)
{
impl = other.impl;
if(impl) impl->ref();
}
MediaList::MediaList(MediaListImpl *i)
{
impl = i;
if(impl) impl->ref();
}
MediaList &MediaList::operator = (const MediaList &other)
{
if ( impl != other.impl ) {
if(impl) impl->deref();
impl = other.impl;
if(impl) impl->ref();
}
return *this;
}
MediaList::~MediaList()
{
if(impl) impl->deref();
}
DOM::DOMString MediaList::mediaText() const
{
if(!impl) return DOMString();
return static_cast<MediaListImpl *>(impl)->mediaText();
}
void MediaList::setMediaText(const DOM::DOMString &value )
{
if(impl)
static_cast<MediaListImpl *>(impl)->setMediaText( value );
}
unsigned long MediaList::length() const
{
if(!impl) return 0;
return ((MediaListImpl *)impl)->length();
}
DOM::DOMString MediaList::item(unsigned long index) const
{
if(!impl) return DOMString();
return ((MediaListImpl *)impl)->item( index );
}
void MediaList::deleteMedium(const DOM::DOMString &oldMedium)
{
if(impl)
((MediaListImpl *)impl)->deleteMedium( oldMedium );
}
void MediaList::appendMedium(const DOM::DOMString &newMedium)
{
if(impl)
((MediaListImpl *)impl)->appendMedium( newMedium );
}
MediaListImpl *MediaList::handle() const
{
return impl;
}
bool MediaList::isNull() const
{
return (impl == 0);
}
// ----------------------------------------------------------
LinkStyle::LinkStyle()
{
node = 0;
}
LinkStyle::LinkStyle(const LinkStyle &other)
{
node = other.node;
if(node) node->ref();
}
LinkStyle & LinkStyle::operator = (const LinkStyle &other)
{
if ( node != other.node ) {
if(node) node->deref();
node = other.node;
if(node) node->ref();
}
return *this;
}
LinkStyle & LinkStyle::operator = (const Node &other)
{
if(node) node->deref();
node = 0;
// ### add processing instructions
NodeImpl *n = other.handle();
// ### check link is really linking a style sheet
if( n && n->isElementNode() &&
(n->id() == ID_STYLE || n->id() == ID_LINK) ) {
node = n;
if(node) node->ref();
}
return *this;
}
LinkStyle::~LinkStyle()
{
if(node) node->deref();
}
StyleSheet LinkStyle::sheet()
{
int id = node ? node->id() : 0;
// ### add PI
return
( id == ID_STYLE) ?
static_cast<HTMLStyleElementImpl *>(node)->sheet()
: ( (id == ID_LINK) ?
static_cast<HTMLLinkElementImpl *>(node)->sheet()
: StyleSheet() );
}
bool LinkStyle::isNull() const
{
return (node == 0);
}
// ----------------------------------------------------------
DocumentStyle::DocumentStyle()
{
doc = 0;
}
DocumentStyle::DocumentStyle(const DocumentStyle &other)
{
doc = other.doc;
if(doc) doc->ref();
}
DocumentStyle & DocumentStyle::operator = (const DocumentStyle &other)
{
if ( doc != other.doc ) {
if(doc) doc->deref();
doc = other.doc;
if(doc) doc->ref();
}
return *this;
}
DocumentStyle & DocumentStyle::operator = (const Document &other)
{
DocumentImpl *odoc = static_cast<DocumentImpl *>(other.handle());
if ( doc != odoc ) {
if(doc) doc->deref();
doc = odoc;
if(doc) doc->ref();
}
return *this;
}
DocumentStyle::~DocumentStyle()
{
if(doc) doc->deref();
}
StyleSheetList DocumentStyle::styleSheets()
{
return doc->styleSheets();
}
DOMString DocumentStyle::preferredStylesheetSet() const
{
return doc->preferredStylesheetSet();
}
void DocumentStyle::setSelectedStylesheetSet(const DOMString& aStr)
{
return doc->setSelectedStylesheetSet(aStr);
}
DOMString DocumentStyle::selectedStylesheetSet() const
{
return doc->selectedStylesheetSet();
}