bool CSSStyleSheet::isLoading() { unsigned len = length(); for (unsigned i = 0; i < len; ++i) { CSSRule* rule = item(i); if (rule->isImportRule() && static_cast<CSSImportRule*>(rule)->isLoading()) return true; } return false; }
void CSSStyleSheet::addSubresourceStyleURLs(ListHashSet<KURL>& urls) { Deque<CSSStyleSheet*> styleSheetQueue; styleSheetQueue.append(this); while (!styleSheetQueue.isEmpty()) { CSSStyleSheet* styleSheet = styleSheetQueue.takeFirst(); for (unsigned i = 0; i < styleSheet->length(); ++i) { CSSRule* rule = styleSheet->item(i); if (rule->isImportRule()) { if (CSSStyleSheet* ruleStyleSheet = static_cast<CSSImportRule*>(rule)->styleSheet()) styleSheetQueue.append(ruleStyleSheet); } rule->addSubresourceStyleURLs(urls); } } }
void PageSerializer::serializeCSSStyleSheet(CSSStyleSheet* styleSheet, const KURL& url) { StringBuilder cssText; for (unsigned i = 0; i < styleSheet->length(); ++i) { CSSRule* rule = styleSheet->item(i); String itemText = rule->cssText(); if (!itemText.isEmpty()) { cssText.append(itemText); if (i < styleSheet->length() - 1) cssText.append("\n\n"); } Document* document = styleSheet->findDocument(); // Some rules have resources associated with them that we need to retrieve. if (rule->isImportRule()) { CSSImportRule* importRule = static_cast<CSSImportRule*>(rule); KURL importURL = document->completeURL(importRule->href()); if (m_resourceURLs.contains(importURL)) continue; serializeCSSStyleSheet(importRule->styleSheet(), importURL); } else if (rule->isFontFaceRule()) { // FIXME: Add support for font face rule. It is not clear to me at this point if the actual otf/eot file can // be retrieved from the CSSFontFaceRule object. } else if (rule->isStyleRule()) retrieveResourcesForCSSRule(static_cast<CSSStyleRule*>(rule), document); } if (url.isValid() && !m_resourceURLs.contains(url)) { // FIXME: We should check whether a charset has been specified and if none was found add one. TextEncoding textEncoding(styleSheet->charset()); ASSERT(textEncoding.isValid()); String textString = cssText.toString(); CString text = textEncoding.encode(textString.characters(), textString.length(), EntitiesForUnencodables); m_resources->append(Resource(url, String("text/css"), SharedBuffer::create(text.data(), text.length()))); m_resourceURLs.add(url); } }