00001
00024
00025
00026 #include "dom/dom_string.h"
00027 #include "dom/dom_exception.h"
00028 #include "dom/css_stylesheet.h"
00029 #include "dom/css_rule.h"
00030
00031 #include "css/css_ruleimpl.h"
00032 #include "css/css_valueimpl.h"
00033 #include "css/cssparser.h"
00034 #include "css/css_stylesheetimpl.h"
00035
00036 #include "xml/dom_nodeimpl.h"
00037 #include "html/html_documentimpl.h"
00038 #include "misc/loader.h"
00039
00040 #include <kdebug.h>
00041
00042 using namespace DOM;
00043 using namespace khtml;
00044
00045
00046 StyleSheetImpl::StyleSheetImpl(StyleSheetImpl *parentSheet, DOMString href)
00047 : StyleListImpl(parentSheet)
00048 {
00049 m_disabled = false;
00050 m_media = 0;
00051 m_parentNode = 0;
00052 m_strHref = href;
00053 }
00054
00055
00056 StyleSheetImpl::StyleSheetImpl(DOM::NodeImpl *parentNode, DOMString href)
00057 : StyleListImpl()
00058 {
00059 m_parentNode = parentNode;
00060 m_disabled = false;
00061 m_media = 0;
00062 m_strHref = href;
00063 }
00064
00065 StyleSheetImpl::StyleSheetImpl(StyleBaseImpl *owner, DOMString href)
00066 : StyleListImpl(owner)
00067 {
00068 m_disabled = false;
00069 m_media = 0;
00070 m_parentNode = 0;
00071 m_strHref = href;
00072 }
00073
00074 StyleSheetImpl::~StyleSheetImpl()
00075 {
00076 if(m_media) {
00077 m_media->setParent( 0 );
00078 m_media->deref();
00079 }
00080 }
00081
00082 StyleSheetImpl *StyleSheetImpl::parentStyleSheet() const
00083 {
00084 if( !m_parent ) return 0;
00085 if( m_parent->isStyleSheet() ) return static_cast<StyleSheetImpl *>(m_parent);
00086 return 0;
00087 }
00088
00089 void StyleSheetImpl::setMedia( MediaListImpl *media )
00090 {
00091 if( media )
00092 media->ref();
00093 if( m_media )
00094 m_media->deref();
00095 m_media = media;
00096 }
00097
00098 void StyleSheetImpl::setDisabled( bool disabled )
00099 {
00100 bool updateStyle = isCSSStyleSheet() && m_parentNode && disabled != m_disabled;
00101 m_disabled = disabled;
00102 if (updateStyle)
00103 m_parentNode->getDocument()->updateStyleSelector();
00104 }
00105
00106
00107
00108
00109 CSSStyleSheetImpl::CSSStyleSheetImpl(CSSStyleSheetImpl *parentSheet, DOMString href)
00110 : StyleSheetImpl(parentSheet, href)
00111 {
00112 m_lstChildren = new QPtrList<StyleBaseImpl>;
00113 m_doc = 0;
00114 m_implicit = false;
00115 m_namespaces = 0;
00116 }
00117
00118 CSSStyleSheetImpl::CSSStyleSheetImpl(DOM::NodeImpl *parentNode, DOMString href, bool _implicit)
00119 : StyleSheetImpl(parentNode, href)
00120 {
00121 m_lstChildren = new QPtrList<StyleBaseImpl>;
00122 m_doc = parentNode->getDocument();
00123 m_implicit = _implicit;
00124 m_namespaces = 0;
00125 }
00126
00127 CSSStyleSheetImpl::CSSStyleSheetImpl(CSSRuleImpl *ownerRule, DOMString href)
00128 : StyleSheetImpl(ownerRule, href)
00129 {
00130 m_lstChildren = new QPtrList<StyleBaseImpl>;
00131 m_doc = 0;
00132 m_implicit = false;
00133 m_namespaces = 0;
00134 }
00135
00136 CSSStyleSheetImpl::CSSStyleSheetImpl(DOM::NodeImpl *parentNode, CSSStyleSheetImpl *orig)
00137 : StyleSheetImpl(parentNode, orig->m_strHref)
00138 {
00139 m_lstChildren = new QPtrList<StyleBaseImpl>;
00140 StyleBaseImpl *rule;
00141 for ( rule = orig->m_lstChildren->first(); rule != 0; rule = orig->m_lstChildren->next() )
00142 {
00143 m_lstChildren->append(rule);
00144 rule->setParent(this);
00145 }
00146 m_doc = parentNode->getDocument();
00147 m_implicit = false;
00148 m_namespaces = 0;
00149 }
00150
00151 CSSStyleSheetImpl::CSSStyleSheetImpl(CSSRuleImpl *ownerRule, CSSStyleSheetImpl *orig)
00152 : StyleSheetImpl(ownerRule, orig->m_strHref)
00153 {
00154
00155 m_lstChildren = new QPtrList<StyleBaseImpl>;
00156 StyleBaseImpl *rule;
00157 for ( rule = orig->m_lstChildren->first(); rule != 0; rule = orig->m_lstChildren->next() )
00158 {
00159 m_lstChildren->append(rule);
00160 rule->setParent(this);
00161 }
00162 m_doc = 0;
00163 m_implicit = false;
00164 m_namespaces = 0;
00165 }
00166
00167 CSSRuleImpl *CSSStyleSheetImpl::ownerRule() const
00168 {
00169 if( !m_parent ) return 0;
00170 if( m_parent->isRule() ) return static_cast<CSSRuleImpl *>(m_parent);
00171 return 0;
00172 }
00173
00174 unsigned long CSSStyleSheetImpl::insertRule( const DOMString &rule, unsigned long index, int &exceptioncode )
00175 {
00176 exceptioncode = 0;
00177 if(index > m_lstChildren->count()) {
00178 exceptioncode = DOMException::INDEX_SIZE_ERR;
00179 return 0;
00180 }
00181 CSSParser p( strictParsing );
00182 CSSRuleImpl *r = p.parseRule( this, rule );
00183
00184 if(!r) {
00185 exceptioncode = CSSException::SYNTAX_ERR + CSSException::_EXCEPTION_OFFSET;
00186 return 0;
00187 }
00188
00189
00190
00191 m_lstChildren->insert(index, r);
00192 return index;
00193 }
00194
00195 CSSRuleList CSSStyleSheetImpl::cssRules()
00196 {
00197 return this;
00198 }
00199
00200 void CSSStyleSheetImpl::deleteRule( unsigned long index, int &exceptioncode )
00201 {
00202 exceptioncode = 0;
00203 StyleBaseImpl *b = m_lstChildren->take(index);
00204 if(!b) {
00205 exceptioncode = DOMException::INDEX_SIZE_ERR;
00206 return;
00207 }
00208 b->deref();
00209 }
00210
00211 void CSSStyleSheetImpl::addNamespace(CSSParser* p, const DOM::DOMString& prefix, const DOM::DOMString& uri)
00212 {
00213 int exceptioncode = 0;
00214 if (uri.isEmpty())
00215 return;
00216
00217 m_namespaces = new CSSNamespace(prefix, uri, m_namespaces);
00218
00219 if (prefix.isEmpty())
00220
00221
00222 p->defaultNamespace = m_doc->getId(NodeImpl::NamespaceId, uri.implementation(), false, false, &exceptioncode);
00223 }
00224
00225 void CSSStyleSheetImpl::determineNamespace(Q_UINT32& id, const DOM::DOMString& prefix)
00226 {
00227
00228
00229 if (!m_namespaces)
00230 return;
00231
00232 if (prefix.isEmpty())
00233 id = makeId(noNamespace, localNamePart(id));
00234 else if (prefix == "*")
00235 id = makeId(anyNamespace, localNamePart(id));
00236 else {
00237 int exceptioncode = 0;
00238 CSSNamespace* ns = m_namespaces->namespaceForPrefix(prefix);
00239 if (ns)
00240
00241 id = makeId(m_doc->getId(NodeImpl::NamespaceId, ns->uri().implementation(), false, false, &exceptioncode), localNamePart(id));
00242 }
00243 }
00244
00245 bool CSSStyleSheetImpl::parseString(const DOMString &string, bool strict)
00246 {
00247 #ifdef CSS_STYLESHEET_DEBUG
00248 kdDebug( 6080 ) << "parsing sheet, len=" << string.length() << ", sheet is " << string.string() << endl;
00249 #endif
00250
00251 strictParsing = strict;
00252 CSSParser p( strict );
00253 p.parseSheet( this, string );
00254 return true;
00255 }
00256
00257 bool CSSStyleSheetImpl::isLoading() const
00258 {
00259 StyleBaseImpl *rule;
00260 for ( rule = m_lstChildren->first(); rule != 0; rule = m_lstChildren->next() )
00261 {
00262 if(rule->isImportRule())
00263 {
00264 CSSImportRuleImpl *import = static_cast<CSSImportRuleImpl *>(rule);
00265 #ifdef CSS_STYLESHEET_DEBUG
00266 kdDebug( 6080 ) << "found import" << endl;
00267 #endif
00268 if(import->isLoading())
00269 {
00270 #ifdef CSS_STYLESHEET_DEBUG
00271 kdDebug( 6080 ) << "--> not loaded" << endl;
00272 #endif
00273 return true;
00274 }
00275 }
00276 }
00277 return false;
00278 }
00279
00280 void CSSStyleSheetImpl::checkLoaded() const
00281 {
00282 if(isLoading()) return;
00283 if(m_parent) m_parent->checkLoaded();
00284 if(m_parentNode) m_parentNode->sheetLoaded();
00285 }
00286
00287 void CSSStyleSheetImpl::setNonCSSHints()
00288 {
00289 StyleBaseImpl *rule = m_lstChildren->first();
00290 while(rule) {
00291 if(rule->isStyleRule()) {
00292 static_cast<CSSStyleRuleImpl *>(rule)->setNonCSSHints();
00293 }
00294 rule = m_lstChildren->next();
00295 }
00296 }
00297
00298
00299
00300
00301
00302 StyleSheetListImpl::~StyleSheetListImpl()
00303 {
00304 for ( QPtrListIterator<StyleSheetImpl> it ( styleSheets ); it.current(); ++it )
00305 it.current()->deref();
00306 }
00307
00308 void StyleSheetListImpl::add( StyleSheetImpl* s )
00309 {
00310 if ( !styleSheets.containsRef( s ) ) {
00311 s->ref();
00312 styleSheets.append( s );
00313 }
00314 }
00315
00316 void StyleSheetListImpl::remove( StyleSheetImpl* s )
00317 {
00318 if ( styleSheets.removeRef( s ) )
00319 s->deref();
00320 }
00321
00322 unsigned long StyleSheetListImpl::length() const
00323 {
00324
00325 unsigned long l = 0;
00326 QPtrListIterator<StyleSheetImpl> it(styleSheets);
00327 for (; it.current(); ++it) {
00328 if (!it.current()->isCSSStyleSheet() || !static_cast<CSSStyleSheetImpl*>(it.current())->implicit())
00329 ++l;
00330 }
00331 return l;
00332 }
00333
00334 StyleSheetImpl *StyleSheetListImpl::item ( unsigned long index )
00335 {
00336 unsigned long l = 0;
00337 QPtrListIterator<StyleSheetImpl> it(styleSheets);
00338 for (; it.current(); ++it) {
00339 if (!it.current()->isCSSStyleSheet() || !static_cast<CSSStyleSheetImpl*>(it.current())->implicit()) {
00340 if (l == index)
00341 return it.current();
00342 ++l;
00343 }
00344 }
00345 return 0;
00346 }
00347
00348
00349
00350 MediaListImpl::MediaListImpl( CSSStyleSheetImpl *parentSheet,
00351 const DOMString &media )
00352 : StyleBaseImpl( parentSheet )
00353 {
00354 setMediaText( media );
00355 }
00356
00357 MediaListImpl::MediaListImpl( CSSRuleImpl *parentRule, const DOMString &media )
00358 : StyleBaseImpl(parentRule)
00359 {
00360 setMediaText( media );
00361 }
00362
00363 bool MediaListImpl::contains( const DOMString &medium ) const
00364 {
00365 return m_lstMedia.empty() || m_lstMedia.contains( medium ) ||
00366 m_lstMedia.contains( "all" );
00367 }
00368
00369 CSSStyleSheetImpl *MediaListImpl::parentStyleSheet() const
00370 {
00371 if( m_parent->isCSSStyleSheet() ) return static_cast<CSSStyleSheetImpl *>(m_parent);
00372 return 0;
00373 }
00374
00375 CSSRuleImpl *MediaListImpl::parentRule() const
00376 {
00377 if( m_parent->isRule() ) return static_cast<CSSRuleImpl *>(m_parent);
00378 return 0;
00379 }
00380
00381 void MediaListImpl::deleteMedium( const DOMString &oldMedium )
00382 {
00383 const QValueList<DOMString>::Iterator itEnd = m_lstMedia.end();
00384
00385 for ( QValueList<DOMString>::Iterator it = m_lstMedia.begin(); it != itEnd; ++it ) {
00386 if( (*it) == oldMedium ) {
00387 m_lstMedia.remove( it );
00388 return;
00389 }
00390 }
00391 }
00392
00393 DOM::DOMString MediaListImpl::mediaText() const
00394 {
00395 DOMString text;
00396 const QValueList<DOMString>::ConstIterator itEnd = m_lstMedia.end();
00397
00398 for ( QValueList<DOMString>::ConstIterator it = m_lstMedia.begin(); it != itEnd; ++it ) {
00399 text += *it;
00400 text += ", ";
00401 }
00402 return text;
00403 }
00404
00405 void MediaListImpl::setMediaText(const DOM::DOMString &value)
00406 {
00407 m_lstMedia.clear();
00408 const QString val = value.string();
00409 const QStringList list = QStringList::split( ',', val );
00410
00411 const QStringList::ConstIterator itEnd = list.end();
00412
00413 for ( QStringList::ConstIterator it = list.begin(); it != itEnd; ++it )
00414 {
00415 const DOMString medium = (*it).stripWhiteSpace();
00416 if( !medium.isEmpty() )
00417 m_lstMedia.append( medium );
00418 }
00419 }