JSValue jsHTMLObjectElementWidth(ExecState* exec, JSValue slotBase, const Identifier&)
{
JSHTMLObjectElement* castedThis = static_cast<JSHTMLObjectElement*>(asObject(slotBase));
UNUSED_PARAM(exec);
HTMLObjectElement* imp = static_cast<HTMLObjectElement*>(castedThis->impl());
JSValue result = jsString(exec, imp->getAttribute(WebCore::HTMLNames::widthAttr));
return result;
}
void RenderEmbeddedObject::updateWidget(bool onlyCreateNonNetscapePlugins)
{
if (!m_replacementText.isNull() || !node()) // Check the node in case destroy() has been called.
return;
String url;
String serviceType;
Vector<String> paramNames;
Vector<String> paramValues;
Frame* frame = frameView()->frame();
// The calls to SubframeLoader::requestObject within this function can result in a plug-in being initialized.
// This can run cause arbitrary JavaScript to run and may result in this RenderObject being detached from
// the render tree and destroyed, causing a crash like <rdar://problem/6954546>. By extending our lifetime
// artifically to ensure that we remain alive for the duration of plug-in initialization.
RenderWidgetProtector protector(this);
if (node()->hasTagName(objectTag)) {
HTMLObjectElement* objectElement = static_cast<HTMLObjectElement*>(node());
objectElement->setNeedWidgetUpdate(false);
if (!objectElement->isFinishedParsingChildren())
return;
// Check for a child EMBED tag.
HTMLEmbedElement* embed = 0;
for (Node* child = objectElement->firstChild(); child; ) {
if (child->hasTagName(embedTag)) {
embed = static_cast<HTMLEmbedElement*>(child);
break;
}
if (child->hasTagName(objectTag))
child = child->nextSibling(); // Don't descend into nested OBJECT tags
else
child = child->traverseNextNode(objectElement); // Otherwise descend (EMBEDs may be inside COMMENT tags)
}
// Use the attributes from the EMBED tag instead of the OBJECT tag including WIDTH and HEIGHT.
HTMLElement* embedOrObject;
if (embed) {
embedOrObject = embed;
url = embed->url();
serviceType = embed->serviceType();
} else
embedOrObject = objectElement;
// If there was no URL or type defined in EMBED, try the OBJECT tag.
if (url.isEmpty())
url = objectElement->url();
if (serviceType.isEmpty())
serviceType = objectElement->serviceType();
HashSet<StringImpl*, CaseFoldingHash> uniqueParamNames;
// Scan the PARAM children.
// Get the URL and type from the params if we don't already have them.
// Get the attributes from the params if there is no EMBED tag.
Node* child = objectElement->firstChild();
while (child && (url.isEmpty() || serviceType.isEmpty() || !embed)) {
if (child->hasTagName(paramTag)) {
HTMLParamElement* p = static_cast<HTMLParamElement*>(child);
String name = p->name();
if (url.isEmpty() && (equalIgnoringCase(name, "src") || equalIgnoringCase(name, "movie") || equalIgnoringCase(name, "code") || equalIgnoringCase(name, "url")))
url = p->value();
if (serviceType.isEmpty() && equalIgnoringCase(name, "type")) {
serviceType = p->value();
int pos = serviceType.find(";");
if (pos != -1)
serviceType = serviceType.left(pos);
}
if (!embed && !name.isEmpty()) {
uniqueParamNames.add(name.impl());
paramNames.append(p->name());
paramValues.append(p->value());
}
}
child = child->nextSibling();
}
// When OBJECT is used for an applet via Sun's Java plugin, the CODEBASE attribute in the tag
// points to the Java plugin itself (an ActiveX component) while the actual applet CODEBASE is
// in a PARAM tag. See <http://java.sun.com/products/plugin/1.2/docs/tags.html>. This means
// we have to explicitly suppress the tag's CODEBASE attribute if there is none in a PARAM,
// else our Java plugin will misinterpret it. [4004531]
String codebase;
if (!embed && MIMETypeRegistry::isJavaAppletMIMEType(serviceType)) {
codebase = "codebase";
uniqueParamNames.add(codebase.impl()); // pretend we found it in a PARAM already
}
// Turn the attributes of either the EMBED tag or OBJECT tag into arrays, but don't override PARAM values.
NamedNodeMap* attributes = embedOrObject->attributes();
if (attributes) {
for (unsigned i = 0; i < attributes->length(); ++i) {
Attribute* it = attributes->attributeItem(i);
const AtomicString& name = it->name().localName();
if (embed || !uniqueParamNames.contains(name.impl())) {
paramNames.append(name.string());
paramValues.append(it->value().string());
}
}
}
mapDataParamToSrc(¶mNames, ¶mValues);
// If we still don't have a type, try to map from a specific CLASSID to a type.
if (serviceType.isEmpty())
serviceType = serviceTypeForClassId(objectElement->classId());
if (!isURLAllowed(document(), url))
return;
// Find out if we support fallback content.
m_hasFallbackContent = false;
for (Node* child = objectElement->firstChild(); child && !m_hasFallbackContent; child = child->nextSibling()) {
if ((!child->isTextNode() && !child->hasTagName(embedTag) && !child->hasTagName(paramTag)) // Discount <embed> and <param>
|| (child->isTextNode() && !static_cast<Text*>(child)->containsOnlyWhitespace()))
m_hasFallbackContent = true;
}
if (onlyCreateNonNetscapePlugins) {
KURL completedURL;
if (!url.isEmpty())
completedURL = frame->loader()->completeURL(url);
if (frame->loader()->client()->objectContentType(completedURL, serviceType) == ObjectContentNetscapePlugin)
return;
}
bool beforeLoadAllowedLoad = objectElement->dispatchBeforeLoadEvent(url);
// beforeload events can modify the DOM, potentially causing
// RenderWidget::destroy() to be called. Ensure we haven't been
// destroyed before continuing.
if (!node())
return;
bool success = beforeLoadAllowedLoad && frame->loader()->subframeLoader()->requestObject(this, url, objectElement->getAttribute(nameAttr), serviceType, paramNames, paramValues);
if (!success && m_hasFallbackContent)
objectElement->renderFallbackContent();
} else if (node()->hasTagName(embedTag)) {
HTMLEmbedElement* embedElement = static_cast<HTMLEmbedElement*>(node());
embedElement->setNeedWidgetUpdate(false);
url = embedElement->url();
serviceType = embedElement->serviceType();
if (url.isEmpty() && serviceType.isEmpty())
return;
if (!isURLAllowed(document(), url))
return;
// add all attributes set on the embed object
NamedNodeMap* attributes = embedElement->attributes();
if (attributes) {
for (unsigned i = 0; i < attributes->length(); ++i) {
Attribute* it = attributes->attributeItem(i);
paramNames.append(it->name().localName().string());
paramValues.append(it->value().string());
}
}
if (onlyCreateNonNetscapePlugins) {
KURL completedURL;
if (!url.isEmpty())
completedURL = frame->loader()->completeURL(url);
if (frame->loader()->client()->objectContentType(completedURL, serviceType) == ObjectContentNetscapePlugin)
return;
}
if (embedElement->dispatchBeforeLoadEvent(url))
frame->loader()->subframeLoader()->requestObject(this, url, embedElement->getAttribute(nameAttr), serviceType, paramNames, paramValues);
}
#if ENABLE(PLUGIN_PROXY_FOR_VIDEO)
else if (node()->hasTagName(videoTag) || node()->hasTagName(audioTag)) {
HTMLMediaElement* mediaElement = static_cast<HTMLMediaElement*>(node());
KURL kurl;
mediaElement->getPluginProxyParams(kurl, paramNames, paramValues);
mediaElement->setNeedWidgetUpdate(false);
frame->loader()->subframeLoader()->loadMediaPlayerProxyPlugin(node(), kurl, paramNames, paramValues);
}
#endif
}
