/*! \brief Watches an Object in the cache.
It is possible that the first version of the object is given twice to the
callback.
\param obid The id of the Object to get.
\param cb The Callback to return the Object to.
*/
boost::signals::connection ObjectCache::watchObject(uint32_t obid, const ObjectCallback& cb){
ObjectSignal* bs = watchers[obid];
if(bs == NULL){
bs = new ObjectSignal();
watchers[obid] = bs;
}
boost::signals::connection conn = bs->connect(cb);
requestObject(obid, cb);
return conn;
}
// 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;
// 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;
bool success = beforeLoadAllowedLoad && hasValidClassId();
if (success)
success = requestObject(url, serviceType, paramNames, paramValues);
if (!success && hasFallbackContent())
renderFallbackContent();
}
//=============================================================================
void NonPersistentItemFactory::requestObject(ObjectFactoryCallback* ofCallback,uint64 id,uint16 subGroup,uint16 subType,DispatchClient* client)
{
requestObject(ofCallback,id, 0);
}