void PageSerializer::serializeFrame(Frame* frame)
{
Document* document = frame->document();
URL url = document->url();
if (!url.isValid() || url.isBlankURL()) {
// For blank frames we generate a fake URL so they can be referenced by their containing frame.
url = urlForBlankFrame(frame);
}
if (m_resourceURLs.contains(url)) {
// FIXME: We could have 2 frame with the same URL but which were dynamically changed and have now
// different content. So we should serialize both and somehow rename the frame src in the containing
// frame. Arg!
return;
}
Vector<Node*> nodes;
SerializerMarkupAccumulator accumulator(*this, *document, &nodes);
TextEncoding textEncoding(document->charset());
CString data;
if (!textEncoding.isValid()) {
// FIXME: iframes used as images trigger this. We should deal with them correctly.
return;
}
String text = accumulator.serializeNodes(*document->documentElement(), 0, IncludeNode);
CString frameHTML = textEncoding.encode(text, EntitiesForUnencodables);
m_resources->append(Resource(url, document->suggestedMIMEType(), SharedBuffer::create(frameHTML.data(), frameHTML.length())));
m_resourceURLs.add(url);
for (Vector<Node*>::iterator iter = nodes.begin(); iter != nodes.end(); ++iter) {
Node* node = *iter;
if (!node->isElementNode())
continue;
Element* element = toElement(node);
// We have to process in-line style as it might contain some resources (typically background images).
if (element->isStyledElement())
retrieveResourcesForProperties(toStyledElement(element)->inlineStyle(), document);
if (isHTMLImageElement(element)) {
HTMLImageElement* imageElement = toHTMLImageElement(element);
URL url = document->completeURL(imageElement->getAttribute(HTMLNames::srcAttr));
CachedImage* cachedImage = imageElement->cachedImage();
addImageToResources(cachedImage, imageElement->renderer(), url);
} else if (element->hasTagName(HTMLNames::linkTag)) {
HTMLLinkElement* linkElement = toHTMLLinkElement(element);
if (CSSStyleSheet* sheet = linkElement->sheet()) {
URL url = document->completeURL(linkElement->getAttribute(HTMLNames::hrefAttr));
serializeCSSStyleSheet(sheet, url);
ASSERT(m_resourceURLs.contains(url));
}
} else if (isHTMLStyleElement(element)) {
if (CSSStyleSheet* sheet = toHTMLStyleElement(element)->sheet())
serializeCSSStyleSheet(sheet, URL());
}
}
for (Frame* childFrame = frame->tree().firstChild(); childFrame; childFrame = childFrame->tree().nextSibling())
serializeFrame(childFrame);
}
JSValue jsHTMLLinkElementSheet(ExecState* exec, JSValue slotBase, const Identifier&)
{
JSHTMLLinkElement* castedThis = static_cast<JSHTMLLinkElement*>(asObject(slotBase));
UNUSED_PARAM(exec);
HTMLLinkElement* imp = static_cast<HTMLLinkElement*>(castedThis->impl());
JSValue result = toJS(exec, castedThis->globalObject(), WTF::getPtr(imp->sheet()));
return result;
}
JSValue* JSHTMLLinkElement::getValueProperty(ExecState* exec, int token) const
{
switch (token) {
case DisabledAttrNum: {
HTMLLinkElement* imp = static_cast<HTMLLinkElement*>(impl());
return jsBoolean(imp->disabled());
}
case CharsetAttrNum: {
HTMLLinkElement* imp = static_cast<HTMLLinkElement*>(impl());
return jsString(exec, imp->charset());
}
case HrefAttrNum: {
HTMLLinkElement* imp = static_cast<HTMLLinkElement*>(impl());
return jsString(exec, imp->href());
}
case HreflangAttrNum: {
HTMLLinkElement* imp = static_cast<HTMLLinkElement*>(impl());
return jsString(exec, imp->hreflang());
}
case MediaAttrNum: {
HTMLLinkElement* imp = static_cast<HTMLLinkElement*>(impl());
return jsString(exec, imp->media());
}
case RelAttrNum: {
HTMLLinkElement* imp = static_cast<HTMLLinkElement*>(impl());
return jsString(exec, imp->rel());
}
case RevAttrNum: {
HTMLLinkElement* imp = static_cast<HTMLLinkElement*>(impl());
return jsString(exec, imp->rev());
}
case TargetAttrNum: {
HTMLLinkElement* imp = static_cast<HTMLLinkElement*>(impl());
return jsString(exec, imp->target());
}
case TypeAttrNum: {
HTMLLinkElement* imp = static_cast<HTMLLinkElement*>(impl());
return jsString(exec, imp->type());
}
case SheetAttrNum: {
HTMLLinkElement* imp = static_cast<HTMLLinkElement*>(impl());
return toJS(exec, WTF::getPtr(imp->sheet()));
}
case ConstructorAttrNum:
return getConstructor(exec);
}
return 0;
}
void DocumentStyleSheetCollection::collectActiveStyleSheets(Vector<RefPtr<StyleSheet> >& sheets)
{
if (m_document->settings() && !m_document->settings()->authorAndUserStylesEnabled())
return;
StyleSheetCandidateListHashSet::iterator begin = m_styleSheetCandidateNodes.begin();
StyleSheetCandidateListHashSet::iterator end = m_styleSheetCandidateNodes.end();
for (StyleSheetCandidateListHashSet::iterator it = begin; it != end; ++it) {
Node* n = *it;
StyleSheet* sheet = 0;
if (n->nodeType() == Node::PROCESSING_INSTRUCTION_NODE) {
// Processing instruction (XML documents only).
// We don't support linking to embedded CSS stylesheets, see <https://bugs.webkit.org/show_bug.cgi?id=49281> for discussion.
ProcessingInstruction* pi = static_cast<ProcessingInstruction*>(n);
sheet = pi->sheet();
#if ENABLE(XSLT)
// Don't apply XSL transforms to already transformed documents -- <rdar://problem/4132806>
if (pi->isXSL() && !m_document->transformSourceDocument()) {
// Don't apply XSL transforms until loading is finished.
if (!m_document->parsing())
m_document->applyXSLTransform(pi);
return;
}
#endif
} else if ((n->isHTMLElement() && (n->hasTagName(linkTag) || n->hasTagName(styleTag)))
#if ENABLE(SVG)
|| (n->isSVGElement() && n->hasTagName(SVGNames::styleTag))
#endif
) {
Element* e = toElement(n);
AtomicString title = e->getAttribute(titleAttr);
bool enabledViaScript = false;
if (e->hasTagName(linkTag)) {
// <LINK> element
HTMLLinkElement* linkElement = static_cast<HTMLLinkElement*>(n);
if (linkElement->isDisabled())
continue;
enabledViaScript = linkElement->isEnabledViaScript();
if (linkElement->styleSheetIsLoading()) {
// it is loading but we should still decide which style sheet set to use
if (!enabledViaScript && !title.isEmpty() && m_preferredStylesheetSetName.isEmpty()) {
const AtomicString& rel = e->getAttribute(relAttr);
if (!rel.contains("alternate")) {
m_preferredStylesheetSetName = title;
m_selectedStylesheetSetName = title;
}
}
continue;
}
if (!linkElement->sheet())
title = nullAtom;
}
// Get the current preferred styleset. This is the
// set of sheets that will be enabled.
#if ENABLE(SVG)
if (e->hasTagName(SVGNames::styleTag))
sheet = static_cast<SVGStyleElement*>(n)->sheet();
else
#endif
{
if (e->hasTagName(linkTag))
sheet = static_cast<HTMLLinkElement*>(n)->sheet();
else
// <STYLE> element
sheet = toHTMLStyleElement(e)->sheet();
}
// Check to see if this sheet belongs to a styleset
// (thus making it PREFERRED or ALTERNATE rather than
// PERSISTENT).
AtomicString rel = e->getAttribute(relAttr);
if (!enabledViaScript && !title.isEmpty()) {
// Yes, we have a title.
if (m_preferredStylesheetSetName.isEmpty()) {
// No preferred set has been established. If
// we are NOT an alternate sheet, then establish
// us as the preferred set. Otherwise, just ignore
// this sheet.
if (e->hasTagName(styleTag) || !rel.contains("alternate"))
m_preferredStylesheetSetName = m_selectedStylesheetSetName = title;
}
if (title != m_preferredStylesheetSetName)
sheet = 0;
}
if (rel.contains("alternate") && title.isEmpty())
sheet = 0;
}
if (sheet)
sheets.append(sheet);
}
}
