css_stylesheetimpl.cpp
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
00099
00100
00101 CSSStyleSheetImpl::CSSStyleSheetImpl(CSSStyleSheetImpl *parentSheet, DOMString href)
00102 : StyleSheetImpl(parentSheet, href)
00103 {
00104 m_lstChildren = new QPtrList<StyleBaseImpl>;
00105 m_doc = 0;
00106 m_implicit = false;
00107 }
00108
00109 CSSStyleSheetImpl::CSSStyleSheetImpl(DOM::NodeImpl *parentNode, DOMString href, bool _implicit)
00110 : StyleSheetImpl(parentNode, href)
00111 {
00112 m_lstChildren = new QPtrList<StyleBaseImpl>;
00113 m_doc = parentNode->getDocument();
00114 m_implicit = _implicit;
00115 }
00116
00117 CSSStyleSheetImpl::CSSStyleSheetImpl(CSSRuleImpl *ownerRule, DOMString href)
00118 : StyleSheetImpl(ownerRule, href)
00119 {
00120 m_lstChildren = new QPtrList<StyleBaseImpl>;
00121 m_doc = 0;
00122 m_implicit = false;
00123 }
00124
00125 CSSStyleSheetImpl::CSSStyleSheetImpl(DOM::NodeImpl *parentNode, CSSStyleSheetImpl *orig)
00126 : StyleSheetImpl(parentNode, orig->m_strHref)
00127 {
00128 m_lstChildren = new QPtrList<StyleBaseImpl>;
00129 StyleBaseImpl *rule;
00130 for ( rule = orig->m_lstChildren->first(); rule != 0; rule = orig->m_lstChildren->next() )
00131 {
00132 m_lstChildren->append(rule);
00133 rule->setParent(this);
00134 }
00135 m_doc = parentNode->getDocument();
00136 m_implicit = false;
00137 }
00138
00139 CSSStyleSheetImpl::CSSStyleSheetImpl(CSSRuleImpl *ownerRule, CSSStyleSheetImpl *orig)
00140 : StyleSheetImpl(ownerRule, orig->m_strHref)
00141 {
00142
00143 m_lstChildren = new QPtrList<StyleBaseImpl>;
00144 StyleBaseImpl *rule;
00145 for ( rule = orig->m_lstChildren->first(); rule != 0; rule = orig->m_lstChildren->next() )
00146 {
00147 m_lstChildren->append(rule);
00148 rule->setParent(this);
00149 }
00150 m_doc = 0;
00151 m_implicit = false;
00152 }
00153
00154 CSSRuleImpl *CSSStyleSheetImpl::ownerRule() const
00155 {
00156 if( !m_parent ) return 0;
00157 if( m_parent->isRule() ) return static_cast<CSSRuleImpl *>(m_parent);
00158 return 0;
00159 }
00160
00161 unsigned long CSSStyleSheetImpl::insertRule( const DOMString &rule, unsigned long index, int &exceptioncode )
00162 {
00163 exceptioncode = 0;
00164 if(index > m_lstChildren->count()) {
00165 exceptioncode = DOMException::INDEX_SIZE_ERR;
00166 return 0;
00167 }
00168 CSSParser p( strictParsing );
00169 CSSRuleImpl *r = p.parseRule( this, rule );
00170
00171 if(!r) {
00172 exceptioncode = CSSException::SYNTAX_ERR + CSSException::_EXCEPTION_OFFSET;
00173 return 0;
00174 }
00175
00176
00177
00178 m_lstChildren->insert(index, r);
00179 return index;
00180 }
00181
00182 CSSRuleList CSSStyleSheetImpl::cssRules()
00183 {
00184 return this;
00185 }
00186
00187 void CSSStyleSheetImpl::deleteRule( unsigned long index, int &exceptioncode )
00188 {
00189 exceptioncode = 0;
00190 StyleBaseImpl *b = m_lstChildren->take(index);
00191 if(!b) {
00192 exceptioncode = DOMException::INDEX_SIZE_ERR;
00193 return;
00194 }
00195 b->deref();
00196 }
00197
00198 bool CSSStyleSheetImpl::parseString(const DOMString &string, bool strict)
00199 {
00200 #ifdef CSS_STYLESHEET_DEBUG
00201 kdDebug( 6080 ) << "parsing sheet, len=" << string.length() << ", sheet is " << string.string() << endl;
00202 #endif
00203
00204 strictParsing = strict;
00205 CSSParser p( strict );
00206 p.parseSheet( this, string );
00207 return true;
00208 }
00209
00210 bool CSSStyleSheetImpl::isLoading() const
00211 {
00212 StyleBaseImpl *rule;
00213 for ( rule = m_lstChildren->first(); rule != 0; rule = m_lstChildren->next() )
00214 {
00215 if(rule->isImportRule())
00216 {
00217 CSSImportRuleImpl *import = static_cast<CSSImportRuleImpl *>(rule);
00218 #ifdef CSS_STYLESHEET_DEBUG
00219 kdDebug( 6080 ) << "found import" << endl;
00220 #endif
00221 if(import->isLoading())
00222 {
00223 #ifdef CSS_STYLESHEET_DEBUG
00224 kdDebug( 6080 ) << "--> not loaded" << endl;
00225 #endif
00226 return true;
00227 }
00228 }
00229 }
00230 return false;
00231 }
00232
00233 void CSSStyleSheetImpl::checkLoaded() const
00234 {
00235 if(isLoading()) return;
00236 if(m_parent) m_parent->checkLoaded();
00237 if(m_parentNode) m_parentNode->sheetLoaded();
00238 }
00239
00240 void CSSStyleSheetImpl::setNonCSSHints()
00241 {
00242 StyleBaseImpl *rule = m_lstChildren->first();
00243 while(rule) {
00244 if(rule->isStyleRule()) {
00245 static_cast<CSSStyleRuleImpl *>(rule)->setNonCSSHints();
00246 }
00247 rule = m_lstChildren->next();
00248 }
00249 }
00250
00251
00252
00253
00254
00255 StyleSheetListImpl::~StyleSheetListImpl()
00256 {
00257 for ( QPtrListIterator<StyleSheetImpl> it ( styleSheets ); it.current(); ++it )
00258 it.current()->deref();
00259 }
00260
00261 void StyleSheetListImpl::add( StyleSheetImpl* s )
00262 {
00263 if ( !styleSheets.containsRef( s ) ) {
00264 s->ref();
00265 styleSheets.append( s );
00266 }
00267 }
00268
00269 void StyleSheetListImpl::remove( StyleSheetImpl* s )
00270 {
00271 if ( styleSheets.removeRef( s ) )
00272 s->deref();
00273 }
00274
00275 unsigned long StyleSheetListImpl::length() const
00276 {
00277
00278 unsigned long l = 0;
00279 QPtrListIterator<StyleSheetImpl> it(styleSheets);
00280 for (; it.current(); ++it) {
00281 if (!it.current()->isCSSStyleSheet() || !static_cast<CSSStyleSheetImpl*>(it.current())->implicit())
00282 l++;
00283 }
00284 return l;
00285 }
00286
00287 StyleSheetImpl *StyleSheetListImpl::item ( unsigned long index )
00288 {
00289 unsigned long l = 0;
00290 QPtrListIterator<StyleSheetImpl> it(styleSheets);
00291 for (; it.current(); ++it) {
00292 if (!it.current()->isCSSStyleSheet() || !static_cast<CSSStyleSheetImpl*>(it.current())->implicit()) {
00293 if (l == index)
00294 return it.current();
00295 l++;
00296 }
00297 }
00298 return 0;
00299 }
00300
00301
00302
00303 MediaListImpl::MediaListImpl( CSSStyleSheetImpl *parentSheet,
00304 const DOMString &media )
00305 : StyleBaseImpl( parentSheet )
00306 {
00307 setMediaText( media );
00308 }
00309
00310 MediaListImpl::MediaListImpl( CSSRuleImpl *parentRule, const DOMString &media )
00311 : StyleBaseImpl(parentRule)
00312 {
00313 setMediaText( media );
00314 }
00315
00316 bool MediaListImpl::contains( const DOMString &medium ) const
00317 {
00318 return m_lstMedia.count() == 0 || m_lstMedia.contains( medium ) ||
00319 m_lstMedia.contains( "all" );
00320 }
00321
00322 CSSStyleSheetImpl *MediaListImpl::parentStyleSheet() const
00323 {
00324 if( m_parent->isCSSStyleSheet() ) return static_cast<CSSStyleSheetImpl *>(m_parent);
00325 return 0;
00326 }
00327
00328 CSSRuleImpl *MediaListImpl::parentRule() const
00329 {
00330 if( m_parent->isRule() ) return static_cast<CSSRuleImpl *>(m_parent);
00331 return 0;
00332 }
00333
00334 void MediaListImpl::deleteMedium( const DOMString &oldMedium )
00335 {
00336 for ( QValueList<DOMString>::Iterator it = m_lstMedia.begin(); it != m_lstMedia.end(); ++it ) {
00337 if( (*it) == oldMedium ) {
00338 m_lstMedia.remove( it );
00339 return;
00340 }
00341 }
00342 }
00343
00344 DOM::DOMString MediaListImpl::mediaText() const
00345 {
00346 DOMString text;
00347 for ( QValueList<DOMString>::ConstIterator it = m_lstMedia.begin(); it != m_lstMedia.end(); ++it ) {
00348 text += *it;
00349 text += ", ";
00350 }
00351 return text;
00352 }
00353
00354 void MediaListImpl::setMediaText(const DOM::DOMString &value)
00355 {
00356 m_lstMedia.clear();
00357 QString val = value.string();
00358 QStringList list = QStringList::split( ',', value.string() );
00359 for ( QStringList::Iterator it = list.begin(); it != list.end(); ++it )
00360 {
00361 DOMString medium = (*it).stripWhiteSpace();
00362 if( !medium.isEmpty() )
00363 m_lstMedia.append( medium );
00364 }
00365 }
This file is part of the documentation for khtml Library Version 3.2.3.