css_stylesheetimpl.cpp [plain text]
#include "dom/dom_string.h"
#include "dom/dom_exception.h"
#include "dom/css_stylesheet.h"
#include "dom/css_rule.h"
#include "css/css_ruleimpl.h"
#include "css/css_valueimpl.h"
#include "css/cssparser.h"
#include "css/css_stylesheetimpl.h"
#include "xml/dom_nodeimpl.h"
#include "html/html_documentimpl.h"
#include "misc/loader.h"
#include <kdebug.h>
using namespace DOM;
using namespace khtml;
StyleSheetImpl::StyleSheetImpl(StyleSheetImpl *parentSheet, DOMString href)
: StyleListImpl(parentSheet)
{
m_disabled = false;
m_media = 0;
m_parentNode = 0;
m_strHref = href;
}
StyleSheetImpl::StyleSheetImpl(DOM::NodeImpl *parentNode, DOMString href)
: StyleListImpl()
{
m_parentNode = parentNode;
m_disabled = false;
m_media = 0;
m_strHref = href;
}
StyleSheetImpl::StyleSheetImpl(StyleBaseImpl *owner, DOMString href)
: StyleListImpl(owner)
{
m_disabled = false;
m_media = 0;
m_parentNode = 0;
m_strHref = href;
}
StyleSheetImpl::~StyleSheetImpl()
{
if(m_media) {
m_media->setParent( 0 );
m_media->deref();
}
}
StyleSheetImpl *StyleSheetImpl::parentStyleSheet() const
{
if( !m_parent ) return 0;
if( m_parent->isStyleSheet() ) return static_cast<StyleSheetImpl *>(m_parent);
return 0;
}
void StyleSheetImpl::setMedia( MediaListImpl *media )
{
if( media )
media->ref();
if( m_media )
m_media->deref();
m_media = media;
}
CSSStyleSheetImpl::CSSStyleSheetImpl(CSSStyleSheetImpl *parentSheet, DOMString href)
: StyleSheetImpl(parentSheet, href)
{
m_lstChildren = new QPtrList<StyleBaseImpl>;
m_doc = 0;
m_implicit = false;
}
CSSStyleSheetImpl::CSSStyleSheetImpl(DOM::NodeImpl *parentNode, DOMString href, bool _implicit)
: StyleSheetImpl(parentNode, href)
{
m_lstChildren = new QPtrList<StyleBaseImpl>;
m_doc = parentNode->getDocument();
m_implicit = _implicit;
}
CSSStyleSheetImpl::CSSStyleSheetImpl(CSSRuleImpl *ownerRule, DOMString href)
: StyleSheetImpl(ownerRule, href)
{
m_lstChildren = new QPtrList<StyleBaseImpl>;
m_doc = 0;
m_implicit = false;
}
CSSStyleSheetImpl::CSSStyleSheetImpl(DOM::NodeImpl *parentNode, CSSStyleSheetImpl *orig)
: StyleSheetImpl(parentNode, orig->m_strHref)
{
m_lstChildren = new QPtrList<StyleBaseImpl>;
StyleBaseImpl *rule;
for ( rule = orig->m_lstChildren->first(); rule != 0; rule = orig->m_lstChildren->next() )
{
m_lstChildren->append(rule);
rule->setParent(this);
}
m_doc = parentNode->getDocument();
m_implicit = false;
}
CSSStyleSheetImpl::CSSStyleSheetImpl(CSSRuleImpl *ownerRule, CSSStyleSheetImpl *orig)
: StyleSheetImpl(ownerRule, orig->m_strHref)
{
m_lstChildren = new QPtrList<StyleBaseImpl>;
StyleBaseImpl *rule;
for ( rule = orig->m_lstChildren->first(); rule != 0; rule = orig->m_lstChildren->next() )
{
m_lstChildren->append(rule);
rule->setParent(this);
}
m_doc = 0;
m_implicit = false;
}
CSSRuleImpl *CSSStyleSheetImpl::ownerRule() const
{
if( !m_parent ) return 0;
if( m_parent->isRule() ) return static_cast<CSSRuleImpl *>(m_parent);
return 0;
}
unsigned long CSSStyleSheetImpl::insertRule( const DOMString &rule, unsigned long index, int &exceptioncode )
{
exceptioncode = 0;
if(index > m_lstChildren->count()) {
exceptioncode = DOMException::INDEX_SIZE_ERR;
return 0;
}
CSSParser p( strictParsing );
CSSRuleImpl *r = p.parseRule( this, rule );
if(!r) {
exceptioncode = CSSException::SYNTAX_ERR + CSSException::_EXCEPTION_OFFSET;
return 0;
}
m_lstChildren->insert(index, r);
return index;
}
CSSRuleList CSSStyleSheetImpl::cssRules()
{
return this;
}
void CSSStyleSheetImpl::deleteRule( unsigned long index, int &exceptioncode )
{
exceptioncode = 0;
StyleBaseImpl *b = m_lstChildren->take(index);
if(!b) {
exceptioncode = DOMException::INDEX_SIZE_ERR;
return;
}
b->deref();
}
bool CSSStyleSheetImpl::parseString(const DOMString &string, bool strict)
{
#ifdef CSS_STYLESHEET_DEBUG
kdDebug( 6080 ) << "parsing sheet, len=" << string.length() << ", sheet is " << string.string() << endl;
#endif
strictParsing = strict;
CSSParser p( strict );
p.parseSheet( this, string );
return true;
}
bool CSSStyleSheetImpl::isLoading()
{
StyleBaseImpl *rule;
for ( rule = m_lstChildren->first(); rule != 0; rule = m_lstChildren->next() )
{
if(rule->isImportRule())
{
CSSImportRuleImpl *import = static_cast<CSSImportRuleImpl *>(rule);
#ifdef CSS_STYLESHEET_DEBUG
kdDebug( 6080 ) << "found import" << endl;
#endif
if(import->isLoading())
{
#ifdef CSS_STYLESHEET_DEBUG
kdDebug( 6080 ) << "--> not loaded" << endl;
#endif
return true;
}
}
}
return false;
}
void CSSStyleSheetImpl::checkLoaded()
{
if(isLoading()) return;
if(m_parent) m_parent->checkLoaded();
if(m_parentNode) m_parentNode->sheetLoaded();
}
void CSSStyleSheetImpl::setNonCSSHints()
{
StyleBaseImpl *rule = m_lstChildren->first();
while(rule) {
if(rule->isStyleRule()) {
static_cast<CSSStyleRuleImpl *>(rule)->setNonCSSHints();
}
rule = m_lstChildren->next();
}
}
khtml::DocLoader *CSSStyleSheetImpl::docLoader()
{
if ( !m_doc ) return 0;
return m_doc->docLoader();
}
StyleSheetListImpl::~StyleSheetListImpl()
{
for ( QPtrListIterator<StyleSheetImpl> it ( styleSheets ); it.current(); ++it )
it.current()->deref();
}
void StyleSheetListImpl::add( StyleSheetImpl* s )
{
if ( !styleSheets.containsRef( s ) ) {
s->ref();
styleSheets.append( s );
}
}
void StyleSheetListImpl::remove( StyleSheetImpl* s )
{
if ( styleSheets.removeRef( s ) )
s->deref();
}
unsigned long StyleSheetListImpl::length() const
{
unsigned long l = 0;
QPtrListIterator<StyleSheetImpl> it(styleSheets);
for (; it.current(); ++it) {
if (!it.current()->isCSSStyleSheet() || !static_cast<CSSStyleSheetImpl*>(it.current())->implicit())
l++;
}
return l;
}
StyleSheetImpl *StyleSheetListImpl::item ( unsigned long index )
{
unsigned long l = 0;
QPtrListIterator<StyleSheetImpl> it(styleSheets);
for (; it.current(); ++it) {
if (!it.current()->isCSSStyleSheet() || !static_cast<CSSStyleSheetImpl*>(it.current())->implicit()) {
if (l == index)
return it.current();
l++;
}
}
return 0;
}
MediaListImpl::MediaListImpl( CSSStyleSheetImpl *parentSheet,
const DOMString &media )
: StyleBaseImpl( parentSheet )
{
setMediaText( media );
}
MediaListImpl::MediaListImpl( CSSRuleImpl *parentRule, const DOMString &media )
: StyleBaseImpl(parentRule)
{
setMediaText( media );
}
bool MediaListImpl::contains( const DOMString &medium ) const
{
return m_lstMedia.count() == 0 || m_lstMedia.contains( medium ) ||
m_lstMedia.contains( "all" );
}
CSSStyleSheetImpl *MediaListImpl::parentStyleSheet() const
{
if( m_parent->isCSSStyleSheet() ) return static_cast<CSSStyleSheetImpl *>(m_parent);
return 0;
}
CSSRuleImpl *MediaListImpl::parentRule() const
{
if( m_parent->isRule() ) return static_cast<CSSRuleImpl *>(m_parent);
return 0;
}
void MediaListImpl::deleteMedium( const DOMString &oldMedium )
{
for ( QValueList<DOMString>::Iterator it = m_lstMedia.begin(); it != m_lstMedia.end(); ++it ) {
if( (*it) == oldMedium ) {
m_lstMedia.remove( it );
return;
}
}
}
DOM::DOMString MediaListImpl::mediaText() const
{
DOMString text;
for ( QValueList<DOMString>::ConstIterator it = m_lstMedia.begin(); it != m_lstMedia.end(); ++it ) {
text += *it;
text += ", ";
}
return text;
}
void MediaListImpl::setMediaText(const DOM::DOMString &value)
{
m_lstMedia.clear();
QString val = value.string();
QStringList list = QStringList::split( ',', value.string() );
for ( QStringList::Iterator it = list.begin(); it != list.end(); ++it )
{
DOMString medium = (*it).stripWhiteSpace();
if( medium != "" )
m_lstMedia.append( medium );
}
}