Esempio n. 1
0
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;
}
Esempio n. 2
0
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);
    }
}