RenderPartObject.cpp [plain text]
#include "config.h"
#include "RenderPartObject.h"
#include "Document.h"
#include "EventHandler.h"
#include "Frame.h"
#include "FrameLoader.h"
#include "FrameLoaderClient.h"
#include "FrameTree.h"
#include "FrameView.h"
#include "HTMLEmbedElement.h"
#include "HTMLIFrameElement.h"
#include "HTMLNames.h"
#include "HTMLObjectElement.h"
#include "HTMLParamElement.h"
#include "KURL.h"
#include "MIMETypeRegistry.h"
#include "Page.h"
#include "RenderView.h"
#include "Text.h"
namespace WebCore {
using namespace HTMLNames;
RenderPartObject::RenderPartObject(HTMLFrameOwnerElement* element)
: RenderPart(element)
{
setInline(true);
m_hasFallbackContent = false;
}
RenderPartObject::~RenderPartObject()
{
if (m_view)
m_view->removeWidgetToUpdate(this);
}
static bool isURLAllowed(Document *doc, const String &url)
{
KURL newURL(doc->completeURL(url.deprecatedString()));
newURL.setRef(DeprecatedString::null);
if (doc->frame()->page()->frameCount() >= 200)
return false;
bool foundSelfReference = false;
for (Frame *frame = doc->frame(); frame; frame = frame->tree()->parent()) {
KURL frameURL = frame->loader()->url();
frameURL.setRef(DeprecatedString::null);
if (frameURL == newURL) {
if (foundSelfReference)
return false;
foundSelfReference = true;
}
}
return true;
}
static inline void mapClassIdToServiceType(const String& classId, String& serviceType)
{
if (classId.contains("D27CDB6E-AE6D-11cf-96B8-444553540000"))
serviceType = "application/x-shockwave-flash";
else if (classId.contains("CFCDAA03-8BE4-11cf-B84B-0020AFBBCCFA"))
serviceType = "audio/x-pn-realaudio-plugin";
else if (classId.contains("02BF25D5-8C17-4B23-BC80-D3488ABDDC6B"))
serviceType = "video/quicktime";
else if (classId.contains("166B1BCA-3F9C-11CF-8075-444553540000"))
serviceType = "application/x-director";
else if (classId.contains("6BF52A52-394A-11d3-B153-00C04F79FAA6"))
serviceType = "application/x-mplayer2";
else if (!classId.isEmpty())
serviceType = "application/x-activex-handler";
}
void RenderPartObject::updateWidget(bool onlyCreateNonNetscapePlugins)
{
String url;
String serviceType;
Vector<String> paramNames;
Vector<String> paramValues;
Frame* frame = m_view->frame();
if (element()->hasTagName(objectTag)) {
HTMLObjectElement* o = static_cast<HTMLObjectElement*>(element());
o->setNeedWidgetUpdate(false);
if (!o->isFinishedParsingChildren())
return;
HTMLEmbedElement* embed = 0;
for (Node* child = o->firstChild(); child;) {
if (child->hasTagName(embedTag)) {
embed = static_cast<HTMLEmbedElement*>(child);
break;
} else if (child->hasTagName(objectTag))
child = child->nextSibling(); else
child = child->traverseNextNode(o); }
HTMLElement *embedOrObject;
if (embed) {
embedOrObject = (HTMLElement *)embed;
url = embed->url;
serviceType = embed->m_serviceType;
} else
embedOrObject = (HTMLElement *)o;
if (url.isEmpty())
url = o->m_url;
if (serviceType.isEmpty())
serviceType = o->m_serviceType;
HashSet<StringImpl*, CaseFoldingHash> uniqueParamNames;
Node *child = o->firstChild();
while (child && (url.isEmpty() || serviceType.isEmpty() || !embed)) {
if (child->hasTagName(paramTag)) {
HTMLParamElement* p = static_cast<HTMLParamElement*>(child);
String name = p->name().lower();
if (url.isEmpty() && (name == "src" || name == "movie" || name == "code" || name == "url"))
url = p->value();
if (serviceType.isEmpty() && name == "type") {
serviceType = p->value();
int pos = serviceType.find(";");
if (pos != -1)
serviceType = serviceType.left(pos);
}
if (!embed && !name.isEmpty()) {
uniqueParamNames.add(p->name().impl());
paramNames.append(p->name());
paramValues.append(p->value());
}
}
child = child->nextSibling();
}
String codebase;
if (!embed && MIMETypeRegistry::isJavaAppletMIMEType(serviceType)) {
codebase = "codebase";
uniqueParamNames.add(codebase.impl()); }
NamedAttrMap* 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.domString());
paramValues.append(it->value().domString());
}
}
}
if (serviceType.isEmpty() && !o->m_classId.isEmpty())
mapClassIdToServiceType(o->m_classId, serviceType);
if (!isURLAllowed(document(), url))
return;
m_hasFallbackContent = false;
for (Node *child = o->firstChild(); child && !m_hasFallbackContent; child = child->nextSibling()) {
if ((!child->isTextNode() && !child->hasTagName(embedTag) && !child->hasTagName(paramTag)) || (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 success = frame->loader()->requestObject(this, url, AtomicString(o->name()), serviceType, paramNames, paramValues);
if (!success && m_hasFallbackContent)
o->renderFallbackContent();
} else if (element()->hasTagName(embedTag)) {
HTMLEmbedElement *o = static_cast<HTMLEmbedElement*>(element());
o->setNeedWidgetUpdate(false);
url = o->url;
serviceType = o->m_serviceType;
if (url.isEmpty() && serviceType.isEmpty())
return;
if (!isURLAllowed(document(), url))
return;
NamedAttrMap* a = o->attributes();
if (a) {
for (unsigned i = 0; i < a->length(); ++i) {
Attribute* it = a->attributeItem(i);
paramNames.append(it->name().localName().domString());
paramValues.append(it->value().domString());
}
}
if (onlyCreateNonNetscapePlugins) {
KURL completedURL;
if (!url.isEmpty())
completedURL = frame->loader()->completeURL(url);
if (frame->loader()->client()->objectContentType(completedURL, serviceType) == ObjectContentNetscapePlugin)
return;
}
frame->loader()->requestObject(this, url, o->getAttribute(nameAttr), serviceType, paramNames, paramValues);
}
}
void RenderPartObject::layout()
{
ASSERT(needsLayout());
calcWidth();
calcHeight();
adjustOverflowForBoxShadow();
RenderPart::layout();
if (!m_widget && m_view)
m_view->addWidgetToUpdate(this);
setNeedsLayout(false);
}
void RenderPartObject::viewCleared()
{
if (element() && m_widget && m_widget->isFrameView()) {
FrameView* view = static_cast<FrameView*>(m_widget);
int marginw = -1;
int marginh = -1;
if (element()->hasTagName(iframeTag)) {
HTMLIFrameElement* frame = static_cast<HTMLIFrameElement*>(element());
marginw = frame->getMarginWidth();
marginh = frame->getMarginHeight();
}
if (marginw != -1)
view->setMarginWidth(marginw);
if (marginh != -1)
view->setMarginHeight(marginh);
}
}
}