bool areIdenticalElements(const Node* first, const Node* second)
{
// check that tag name and all attribute names and values are identical
if (!first->isElementNode() || !second->isElementNode())
return false;
if (!toElement(first)->tagQName().matches(toElement(second)->tagQName()))
return false;
NamedNodeMap* firstMap = toElement(first)->attributes();
NamedNodeMap* secondMap = toElement(second)->attributes();
unsigned firstLength = firstMap->length();
if (firstLength != secondMap->length())
return false;
for (unsigned i = 0; i < firstLength; i++) {
Attribute* attribute = firstMap->attributeItem(i);
Attribute* secondAttribute = secondMap->getAttributeItem(attribute->name());
if (!secondAttribute || attribute->value() != secondAttribute->value())
return false;
}
return true;
}
static String imageToMarkup(const String& url, Element* element)
{
StringBuilder markup;
markup.append("<img src=\"");
markup.append(url);
markup.append("\"");
// Copy over attributes. If we are dragging an image, we expect things like
// the id to be copied as well.
NamedNodeMap* attrs = element->attributes();
unsigned length = attrs->length();
for (unsigned i = 0; i < length; ++i) {
Attribute* attr = attrs->attributeItem(i);
if (attr->localName() == "src")
continue;
markup.append(" ");
markup.append(attr->localName());
markup.append("=\"");
String escapedAttr = attr->value();
escapedAttr.replace("\"", """);
markup.append(escapedAttr);
markup.append("\"");
}
markup.append("/>");
return markup.toString();
}
void MarkupAccumulator::appendElement(StringBuilder& out, Element* element, Namespaces* namespaces)
{
appendOpenTag(out, element, namespaces);
NamedNodeMap* attributes = element->attributes();
unsigned length = attributes->length();
for (unsigned int i = 0; i < length; i++)
appendAttribute(out, element, *attributes->attributeItem(i), namespaces);
appendCloseTag(out, element);
}
void DatasetDOMStringMap::getNames(Vector<String>& names)
{
NamedNodeMap* attributeMap = m_element->attributes(true);
if (attributeMap) {
unsigned length = attributeMap->length();
for (unsigned i = 0; i < length; i++) {
Attribute* attribute = attributeMap->attributeItem(i);
if (isValidAttributeName(attribute->localName()))
names.append(convertAttributeNameToPropertyName(attribute->localName()));
}
}
}
void HTMLEmbedElement::parametersForPlugin(Vector<String>& paramNames, Vector<String>& paramValues)
{
NamedNodeMap* attributes = this->attributes(true);
if (!attributes)
return;
for (unsigned i = 0; i < attributes->length(); ++i) {
Attribute* it = attributes->attributeItem(i);
paramNames.append(it->localName().string());
paramValues.append(it->value().string());
}
}
bool DatasetDOMStringMap::contains(const String& name)
{
NamedNodeMap* attributeMap = m_element->attributes(true);
if (attributeMap) {
unsigned length = attributeMap->length();
for (unsigned i = 0; i < length; i++) {
Attribute* attribute = attributeMap->attributeItem(i);
if (propertyNameMatchesAttributeName(name, attribute->localName()))
return true;
}
}
return false;
}
void StyledMarkupAccumulator::appendElement(StringBuilder& out, Element* element, bool addDisplayInline, RangeFullySelectsNode rangeFullySelectsNode)
{
const bool documentIsHTML = element->document()->isHTMLDocument();
appendOpenTag(out, element, 0);
NamedNodeMap* attributes = element->attributes();
const unsigned length = attributes->length();
const bool shouldAnnotateOrForceInline = element->isHTMLElement() && (shouldAnnotate() || addDisplayInline);
const bool shouldOverrideStyleAttr = shouldAnnotateOrForceInline || shouldApplyWrappingStyle(element);
for (unsigned int i = 0; i < length; i++) {
Attribute* attribute = attributes->attributeItem(i);
// We'll handle the style attribute separately, below.
if (attribute->name() == styleAttr && shouldOverrideStyleAttr)
continue;
appendAttribute(out, element, *attribute, 0);
}
if (shouldOverrideStyleAttr) {
RefPtr<EditingStyle> newInlineStyle;
if (shouldApplyWrappingStyle(element)) {
newInlineStyle = m_wrappingStyle->copy();
newInlineStyle->removePropertiesInElementDefaultStyle(element);
newInlineStyle->removeStyleConflictingWithStyleOfNode(element);
} else
newInlineStyle = EditingStyle::create();
if (element->isStyledElement() && static_cast<StyledElement*>(element)->inlineStyleDecl())
newInlineStyle->overrideWithStyle(static_cast<StyledElement*>(element)->inlineStyleDecl());
if (shouldAnnotateOrForceInline) {
if (shouldAnnotate())
newInlineStyle->mergeStyleFromRulesForSerialization(toHTMLElement(element));
if (addDisplayInline)
newInlineStyle->forceInline();
// If the node is not fully selected by the range, then we don't want to keep styles that affect its relationship to the nodes around it
// only the ones that affect it and the nodes within it.
if (rangeFullySelectsNode == DoesNotFullySelectNode && newInlineStyle->style())
newInlineStyle->style()->removeProperty(CSSPropertyFloat);
}
if (!newInlineStyle->isEmpty()) {
DEFINE_STATIC_LOCAL(const String, stylePrefix, (" style=\""));
out.append(stylePrefix);
appendAttributeValue(out, newInlineStyle->style()->cssText(), documentIsHTML);
out.append('\"');
}
}
PassRefPtr<InspectorObject> InspectorCSSAgent::buildObjectForAttributeStyles(Element* element)
{
RefPtr<InspectorObject> styleAttributes = InspectorObject::create();
NamedNodeMap* attributes = element->attributes();
for (unsigned i = 0; attributes && i < attributes->length(); ++i) {
Attribute* attribute = attributes->attributeItem(i);
if (attribute->style()) {
String attributeName = attribute->localName();
RefPtr<InspectorStyle> inspectorStyle = InspectorStyle::create(InspectorCSSId(), attribute->style(), 0);
styleAttributes->setObject(attributeName.utf8().data(), inspectorStyle->buildObjectForStyle());
}
}
return styleAttributes;
}
// FIXME: This function should not deal with url or serviceType!
void HTMLObjectElement::parametersForPlugin(Vector<String>& paramNames, Vector<String>& paramValues, String& url, String& serviceType)
{
HashSet<StringImpl*, CaseFoldingHash> uniqueParamNames;
String urlParameter;
// Scan the PARAM children and store their name/value pairs.
// Get the URL and type from the params if we don't already have them.
for (Node* child = firstChild(); child; child = child->nextSibling()) {
if (!child->hasTagName(paramTag))
continue;
HTMLParamElement* p = static_cast<HTMLParamElement*>(child);
String name = p->name();
if (name.isEmpty())
continue;
uniqueParamNames.add(name.impl());
paramNames.append(p->name());
paramValues.append(p->value());
// FIXME: url adjustment does not belong in this function.
if (url.isEmpty() && urlParameter.isEmpty() && (equalIgnoringCase(name, "src") || equalIgnoringCase(name, "movie") || equalIgnoringCase(name, "code") || equalIgnoringCase(name, "url")))
urlParameter = stripLeadingAndTrailingHTMLSpaces(p->value());
// FIXME: serviceType calculation does not belong in this function.
if (serviceType.isEmpty() && equalIgnoringCase(name, "type")) {
serviceType = p->value();
size_t pos = serviceType.find(";");
if (pos != notFound)
serviceType = serviceType.left(pos);
}
}
// 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 (MIMETypeRegistry::isJavaAppletMIMEType(serviceType)) {
codebase = "codebase";
uniqueParamNames.add(codebase.impl()); // pretend we found it in a PARAM already
}
// Turn the attributes of the <object> element into arrays, but don't override <param> values.
NamedNodeMap* attributes = this->attributes(true);
if (attributes) {
for (unsigned i = 0; i < attributes->length(); ++i) {
Attribute* it = attributes->attributeItem(i);
const AtomicString& name = it->name().localName();
if (!uniqueParamNames.contains(name.impl())) {
paramNames.append(name.string());
paramValues.append(it->value().string());
}
}
}
mapDataParamToSrc(¶mNames, ¶mValues);
// HTML5 says that an object resource's URL is specified by the object's data
// attribute, not by a param element. However, for compatibility, allow the
// resource's URL to be given by a param named "src", "movie", "code" or "url"
// if we know that resource points to a plug-in.
if (url.isEmpty() && !urlParameter.isEmpty()) {
SubframeLoader* loader = document()->frame()->loader()->subframeLoader();
if (loader->resourceWillUsePlugin(urlParameter, serviceType, shouldPreferPlugInsForImages()))
url = urlParameter;
}
}
// Result nodes are ordered in axis order. Node test (including merged predicates) is applied.
void Step::nodesInAxis(Node* context, NodeSet& nodes) const
{
ASSERT(nodes.isEmpty());
switch (m_axis) {
case ChildAxis:
if (context->isAttributeNode()) // In XPath model, attribute nodes do not have children.
return;
for (Node* n = context->firstChild(); n; n = n->nextSibling())
if (nodeMatches(n, ChildAxis, m_nodeTest))
nodes.append(n);
return;
case DescendantAxis:
if (context->isAttributeNode()) // In XPath model, attribute nodes do not have children.
return;
for (Node* n = context->firstChild(); n; n = n->traverseNextNode(context))
if (nodeMatches(n, DescendantAxis, m_nodeTest))
nodes.append(n);
return;
case ParentAxis:
if (context->isAttributeNode()) {
Element* n = static_cast<Attr*>(context)->ownerElement();
if (nodeMatches(n, ParentAxis, m_nodeTest))
nodes.append(n);
} else {
ContainerNode* n = context->parentNode();
if (n && nodeMatches(n, ParentAxis, m_nodeTest))
nodes.append(n);
}
return;
case AncestorAxis: {
Node* n = context;
if (context->isAttributeNode()) {
n = static_cast<Attr*>(context)->ownerElement();
if (nodeMatches(n, AncestorAxis, m_nodeTest))
nodes.append(n);
}
for (n = n->parentNode(); n; n = n->parentNode())
if (nodeMatches(n, AncestorAxis, m_nodeTest))
nodes.append(n);
nodes.markSorted(false);
return;
}
case FollowingSiblingAxis:
if (context->nodeType() == Node::ATTRIBUTE_NODE ||
context->nodeType() == Node::XPATH_NAMESPACE_NODE)
return;
for (Node* n = context->nextSibling(); n; n = n->nextSibling())
if (nodeMatches(n, FollowingSiblingAxis, m_nodeTest))
nodes.append(n);
return;
case PrecedingSiblingAxis:
if (context->nodeType() == Node::ATTRIBUTE_NODE ||
context->nodeType() == Node::XPATH_NAMESPACE_NODE)
return;
for (Node* n = context->previousSibling(); n; n = n->previousSibling())
if (nodeMatches(n, PrecedingSiblingAxis, m_nodeTest))
nodes.append(n);
nodes.markSorted(false);
return;
case FollowingAxis:
if (context->isAttributeNode()) {
Node* p = static_cast<Attr*>(context)->ownerElement();
while ((p = p->traverseNextNode()))
if (nodeMatches(p, FollowingAxis, m_nodeTest))
nodes.append(p);
} else {
for (Node* p = context; !isRootDomNode(p); p = p->parentNode()) {
for (Node* n = p->nextSibling(); n; n = n->nextSibling()) {
if (nodeMatches(n, FollowingAxis, m_nodeTest))
nodes.append(n);
for (Node* c = n->firstChild(); c; c = c->traverseNextNode(n))
if (nodeMatches(c, FollowingAxis, m_nodeTest))
nodes.append(c);
}
}
}
return;
case PrecedingAxis: {
if (context->isAttributeNode())
context = static_cast<Attr*>(context)->ownerElement();
Node* n = context;
while (Node* parent = n->parent()) {
for (n = n->traversePreviousNode(); n != parent; n = n->traversePreviousNode())
if (nodeMatches(n, PrecedingAxis, m_nodeTest))
nodes.append(n);
n = parent;
}
nodes.markSorted(false);
return;
}
case AttributeAxis: {
if (context->nodeType() != Node::ELEMENT_NODE)
return;
// Avoid lazily creating attribute nodes for attributes that we do not need anyway.
if (m_nodeTest.kind() == NodeTest::NameTest && m_nodeTest.data() != starAtom) {
RefPtr<Node> n = static_cast<Element*>(context)->getAttributeNodeNS(m_nodeTest.namespaceURI(), m_nodeTest.data());
if (n && n->namespaceURI() != XMLNSNames::xmlnsNamespaceURI) { // In XPath land, namespace nodes are not accessible on the attribute axis.
if (nodeMatches(n.get(), AttributeAxis, m_nodeTest)) // Still need to check merged predicates.
nodes.append(n.release());
}
return;
}
NamedNodeMap* attrs = context->attributes();
if (!attrs)
return;
for (unsigned i = 0; i < attrs->length(); ++i) {
RefPtr<Attr> attr = attrs->attributeItem(i)->createAttrIfNeeded(static_cast<Element*>(context));
if (nodeMatches(attr.get(), AttributeAxis, m_nodeTest))
nodes.append(attr.release());
}
return;
}
case NamespaceAxis:
// XPath namespace nodes are not implemented yet.
return;
case SelfAxis:
if (nodeMatches(context, SelfAxis, m_nodeTest))
nodes.append(context);
return;
case DescendantOrSelfAxis:
if (nodeMatches(context, DescendantOrSelfAxis, m_nodeTest))
nodes.append(context);
if (context->isAttributeNode()) // In XPath model, attribute nodes do not have children.
return;
for (Node* n = context->firstChild(); n; n = n->traverseNextNode(context))
if (nodeMatches(n, DescendantOrSelfAxis, m_nodeTest))
nodes.append(n);
return;
case AncestorOrSelfAxis: {
if (nodeMatches(context, AncestorOrSelfAxis, m_nodeTest))
nodes.append(context);
Node* n = context;
if (context->isAttributeNode()) {
n = static_cast<Attr*>(context)->ownerElement();
if (nodeMatches(n, AncestorOrSelfAxis, m_nodeTest))
nodes.append(n);
}
for (n = n->parentNode(); n; n = n->parentNode())
if (nodeMatches(n, AncestorOrSelfAxis, m_nodeTest))
nodes.append(n);
nodes.markSorted(false);
return;
}
}
ASSERT_NOT_REACHED();
}
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
}
