void HTMLPlugInImageElement::updateWidgetIfNecessary()
{
document()->updateStyleIfNeeded();
if (!needsWidgetUpdate() || useFallbackContent() || isImageType())
return;
if (!renderEmbeddedObject() || renderEmbeddedObject()->showsUnavailablePluginIndicator())
return;
updateWidget(CreateOnlyNonNetscapePlugins);
}
void HTMLPlugInImageElement::updateWidgetIfNecessary()
{
document()->updateStyleIfNeeded();
if (!needsWidgetUpdate() || useFallbackContent() || isImageType())
return;
if (!renderEmbeddedObject() || renderEmbeddedObject()->pluginCrashedOrWasMissing())
return;
updateWidget(CreateOnlyNonNetscapePlugins);
}
// FIXME: This should be unified with HTMLEmbedElement::updateWidget and
// moved down into HTMLPluginImageElement.cpp
void HTMLObjectElement::updateWidget(PluginCreationOption pluginCreationOption)
{
ASSERT(!renderEmbeddedObject()->isPluginUnavailable());
ASSERT(needsWidgetUpdate());
setNeedsWidgetUpdate(false);
// FIXME: This should ASSERT isFinishedParsingChildren() instead.
if (!isFinishedParsingChildren())
return;
// FIXME: I'm not sure it's ever possible to get into updateWidget during a
// removal, but just in case we should avoid loading the frame to prevent
// security bugs.
if (!SubframeLoadingDisabler::canLoadFrame(*this))
return;
String url = this->url();
String serviceType = this->serviceType();
// FIXME: These should be joined into a PluginParameters class.
Vector<String> paramNames;
Vector<String> paramValues;
parametersForPlugin(paramNames, paramValues, url, serviceType);
// Note: url is modified above by parametersForPlugin.
if (!allowedToLoadFrameURL(url))
return;
bool fallbackContent = hasFallbackContent();
renderEmbeddedObject()->setHasFallbackContent(fallbackContent);
// FIXME: It's sadness that we have this special case here.
// See http://trac.webkit.org/changeset/25128 and
// plugins/netscape-plugin-setwindow-size.html
if (pluginCreationOption == CreateOnlyNonNetscapePlugins && wouldLoadAsNetscapePlugin(url, serviceType)) {
// Ensure updateWidget() is called again during layout to create the Netscape plug-in.
setNeedsWidgetUpdate(true);
return;
}
Ref<HTMLObjectElement> protect(*this); // beforeload and plugin loading can make arbitrary DOM mutations.
bool beforeLoadAllowedLoad = guardedDispatchBeforeLoadEvent(url);
if (!renderer()) // Do not load the plugin if beforeload removed this element or its renderer.
return;
SubframeLoader& loader = document().frame()->loader().subframeLoader();
bool success = beforeLoadAllowedLoad && hasValidClassId() && loader.requestObject(this, url, getNameAttribute(), serviceType, paramNames, paramValues);
if (!success && fallbackContent)
renderFallbackContent();
}
// FIXME: This should be unified with HTMLEmbedElement::updateWidget and
// moved down into HTMLPluginImageElement.cpp
void HTMLObjectElement::updateWidget(bool onlyCreateNonNetscapePlugins)
{
ASSERT(!renderEmbeddedObject()->pluginCrashedOrWasMissing());
// FIXME: We should ASSERT(needsWidgetUpdate()), but currently
// FrameView::updateWidget() calls updateWidget(false) without checking if
// the widget actually needs updating!
setNeedsWidgetUpdate(false);
// FIXME: This should ASSERT isFinishedParsingChildren() instead.
if (!isFinishedParsingChildren())
return;
String url = this->url();
// If the object does not specify a MIME type via a type attribute, but does
// contain a classid attribute, try to map the classid to a MIME type.
String serviceType = this->serviceType();
if (serviceType.isEmpty())
serviceType = serviceTypeForClassId(classId());
// FIXME: These should be joined into a PluginParameters class.
Vector<String> paramNames;
Vector<String> paramValues;
parametersForPlugin(paramNames, paramValues, url, serviceType);
// Note: url is modified above by parametersForPlugin.
if (!allowedToLoadFrameURL(url))
return;
bool fallbackContent = hasFallbackContent();
renderEmbeddedObject()->setHasFallbackContent(fallbackContent);
if (onlyCreateNonNetscapePlugins && wouldLoadAsNetscapePlugin(url, serviceType))
return;
bool beforeLoadAllowedLoad = dispatchBeforeLoadEvent(url);
// beforeload events can modify the DOM, potentially causing
// RenderWidget::destroy() to be called. Ensure we haven't been
// destroyed before continuing.
// FIXME: Should this render fallback content?
if (!renderer())
return;
SubframeLoader* loader = document()->frame()->loader()->subframeLoader();
bool success = beforeLoadAllowedLoad && loader->requestObject(this, url, getAttribute(nameAttr), serviceType, paramNames, paramValues);
if (!success && fallbackContent)
renderFallbackContent();
}
// FIXME: This should be unified with HTMLEmbedElement::updateWidget and
// moved down into HTMLPluginImageElement.cpp
void HTMLObjectElement::updateWidget(PluginCreationOption pluginCreationOption)
{
ASSERT(!renderEmbeddedObject()->pluginCrashedOrWasMissing());
// FIXME: We should ASSERT(needsWidgetUpdate()), but currently
// FrameView::updateWidget() calls updateWidget(false) without checking if
// the widget actually needs updating!
setNeedsWidgetUpdate(false);
// FIXME: This should ASSERT isFinishedParsingChildren() instead.
if (!isFinishedParsingChildren())
return;
String url = this->url();
String serviceType = this->serviceType();
// FIXME: These should be joined into a PluginParameters class.
Vector<String> paramNames;
Vector<String> paramValues;
parametersForPlugin(paramNames, paramValues, url, serviceType);
// Note: url is modified above by parametersForPlugin.
if (!allowedToLoadFrameURL(url))
return;
bool fallbackContent = hasFallbackContent();
renderEmbeddedObject()->setHasFallbackContent(fallbackContent);
if (pluginCreationOption == CreateOnlyNonNetscapePlugins && wouldLoadAsNetscapePlugin(url, serviceType))
return;
ASSERT(!m_inBeforeLoadEventHandler);
m_inBeforeLoadEventHandler = true;
bool beforeLoadAllowedLoad = dispatchBeforeLoadEvent(url);
m_inBeforeLoadEventHandler = false;
// beforeload events can modify the DOM, potentially causing
// RenderWidget::destroy() to be called. Ensure we haven't been
// destroyed before continuing.
// FIXME: Should this render fallback content?
if (!renderer())
return;
RefPtr<HTMLObjectElement> protect(this); // Loading the plugin might remove us from the document.
SubframeLoader* loader = document()->frame()->loader()->subframeLoader();
bool success = beforeLoadAllowedLoad && hasValidClassId() && loader->requestObject(this, url, getAttribute(nameAttr), serviceType, paramNames, paramValues);
if (!success && fallbackContent)
renderFallbackContent();
}
bool HTMLPlugInElement::requestObject(const String& url, const String& mimeType, const Vector<String>& paramNames, const Vector<String>& paramValues)
{
if (url.isEmpty() && mimeType.isEmpty())
return false;
// FIXME: None of this code should use renderers!
RenderEmbeddedObject* renderer = renderEmbeddedObject();
ASSERT(renderer);
if (!renderer)
return false;
KURL completedURL = document().completeURL(url);
if (!pluginIsLoadable(completedURL, mimeType))
return false;
bool useFallback;
bool requireRenderer = true;
if (shouldUsePlugin(completedURL, mimeType, hasFallbackContent(), useFallback))
return loadPlugin(completedURL, mimeType, paramNames, paramValues, useFallback, requireRenderer);
// If the plug-in element already contains a subframe,
// loadOrRedirectSubframe will re-use it. Otherwise, it will create a new
// frame and set it as the RenderPart's widget, causing what was previously
// in the widget to be torn down.
return loadOrRedirectSubframe(completedURL, getNameAttribute(), true);
}
void HTMLPlugInElement::attach(const AttachContext& context)
{
HTMLFrameOwnerElement::attach(context);
if (!renderer() || useFallbackContent())
return;
if (isImageType()) {
if (!m_imageLoader)
m_imageLoader = HTMLImageLoader::create(this);
m_imageLoader->updateFromElement();
} else if (needsWidgetUpdate()
&& renderEmbeddedObject()
&& !renderEmbeddedObject()->showsUnavailablePluginIndicator()
&& !wouldLoadAsNetscapePlugin(m_url, m_serviceType)
&& !m_isDelayingLoadEvent) {
m_isDelayingLoadEvent = true;
document().incrementLoadEventDelayCount();
document().loadPluginsSoon();
}
}
bool HTMLPlugInElement::loadPlugin(const KURL& url, const String& mimeType, const Vector<String>& paramNames, const Vector<String>& paramValues, bool useFallback, bool requireRenderer)
{
LocalFrame* frame = document().frame();
if (!frame->loader().allowPlugins(AboutToInstantiatePlugin))
return false;
RenderEmbeddedObject* renderer = renderEmbeddedObject();
// FIXME: This code should not depend on renderer!
if ((!renderer && requireRenderer) || useFallback)
return false;
WTF_LOG(Plugins, "%p Plug-in URL: %s", this, m_url.utf8().data());
WTF_LOG(Plugins, " Loaded URL: %s", url.string().utf8().data());
m_loadedUrl = url;
RefPtr<Widget> widget = m_persistedPluginWidget;
if (!widget) {
bool loadManually = document().isPlugi
