コード例 #1
0
ファイル: PageSerializer.cpp プロジェクト: Xertz/EAWebKit
void PageSerializer::retrieveResourcesForCSSDeclaration(CSSStyleDeclaration* styleDeclaration)
{
    if (!styleDeclaration)
        return;

    if (!styleDeclaration->stylesheet()->isCSSStyleSheet())
        return;

    CSSStyleSheet* cssStyleSheet = static_cast<CSSStyleSheet*>(styleDeclaration->stylesheet());

    // The background-image and list-style-image (for ul or ol) are the CSS properties
    // that make use of images. We iterate to make sure we include any other
    // image properties there might be.
    for (unsigned i = 0; i < styleDeclaration->length(); ++i) {
        // FIXME: It's kind of ridiculous to get the property name and then get
        // the value out of the name. Ideally we would get the value out of the
        // property ID, but CSSStyleDeclaration only gives access to property
        // names, not IDs.
        RefPtr<CSSValue> cssValue = styleDeclaration->getPropertyCSSValue(styleDeclaration->item(i));
        if (!cssValue->isImageValue())
            continue;

        CSSImageValue* imageValue = static_cast<CSSImageValue*>(cssValue.get());
        StyleImage* styleImage = imageValue->cachedOrPendingImage();
        // Non cached-images are just place-holders and do not contain data.
        if (!styleImage || !styleImage->isCachedImage())
            continue;

        CachedImage* image = static_cast<StyleCachedImage*>(styleImage)->cachedImage();

        KURL url = cssStyleSheet->document()->completeURL(image->url());
        addImageToResources(image, url);
    }
}
コード例 #2
0
CSSStyleSheet::CSSStyleSheet(CSSRule* ownerRule, const String& href, const KURL& baseURL, const String& charset)
    : StyleSheet(ownerRule, href, baseURL)
    , m_charset(charset)
    , m_loadCompleted(false)
    , m_strictParsing(!ownerRule || ownerRule->useStrictParsing())
    , m_hasSyntacticallyValidCSSHeader(true)
{
    CSSStyleSheet* parentSheet = ownerRule ? ownerRule->parentStyleSheet() : 0;
    m_document = parentSheet ? parentSheet->document() : 0;
    m_isUserStyleSheet = parentSheet ? parentSheet->isUserStyleSheet() : false;
}
コード例 #3
0
void CSSImportRule::insertedIntoParent()
{
    CSSStyleSheet* parentSheet = parentStyleSheet();
    if (!parentSheet || !parentSheet->document())
        return;

    CachedResourceLoader* cachedResourceLoader = parentSheet->document()->cachedResourceLoader();
    if (!cachedResourceLoader)
        return;

    String absHref = m_strHref;
    if (!parentSheet->finalURL().isNull())
        // use parent styleheet's URL as the base URL
        absHref = KURL(parentSheet->finalURL(), m_strHref).string();

    // Check for a cycle in our import chain.  If we encounter a stylesheet
    // in our parent chain with the same URL, then just bail.
    StyleBase* root = this;
    for (StyleBase* curr = parent(); curr; curr = curr->parent()) {
        // FIXME: This is wrong if the finalURL was updated via document::updateBaseURL. 
        if (curr->isCSSStyleSheet() && absHref == static_cast<CSSStyleSheet*>(curr)->finalURL().string())
            return;
        root = curr;
    }

    ResourceRequest request(parentSheet->document()->completeURL(absHref));
    if (parentSheet->isUserStyleSheet())
        m_cachedSheet = cachedResourceLoader->requestUserCSSStyleSheet(request, parentSheet->charset());
    else
        m_cachedSheet = cachedResourceLoader->requestCSSStyleSheet(request, parentSheet->charset());
    if (m_cachedSheet) {
        // if the import rule is issued dynamically, the sheet may be
        // removed from the pending sheet count, so let the doc know
        // the sheet being imported is pending.
        if (parentSheet && parentSheet->loadCompleted() && root == parentSheet)
            parentSheet->startLoadingDynamicSheet();
        m_loading = true;
        m_cachedSheet->addClient(this);
    }
}