JSValue JSNPObject::propertyGetter(ExecState* exec, JSValue slotBase, PropertyName propertyName)
{
JSNPObject* thisObj = static_cast<JSNPObject*>(asObject(slotBase));
ASSERT_GC_OBJECT_INHERITS(thisObj, &s_info);
if (!thisObj->m_npObject)
return throwInvalidAccessError(exec);
if (!thisObj->m_npObject->_class->getProperty)
return jsUndefined();
NPVariant result;
VOID_TO_NPVARIANT(result);
// Calling NPClass::getProperty will call into plug-in code, and there's no telling what the plug-in can do.
// (including destroying the plug-in). Because of this, we make sure to keep the plug-in alive until
// the call has finished.
NPRuntimeObjectMap::PluginProtector protector(thisObj->m_objectMap);
bool returnValue;
{
JSLock::DropAllLocks dropAllLocks(SilenceAssertionsOnly);
NPIdentifier npIdentifier = npIdentifierFromIdentifier(propertyName);
returnValue = thisObj->m_npObject->_class->getProperty(thisObj->m_npObject, npIdentifier, &result);
NPRuntimeObjectMap::moveGlobalExceptionToExecState(exec);
}
if (!returnValue)
return jsUndefined();
JSValue propertyValue = thisObj->m_objectMap->convertNPVariantToJSValue(exec, thisObj->globalObject(), result);
releaseNPVariantValue(&result);
return propertyValue;
}
void NPRuntimeObjectMap::invalidate()
{
Vector<NPJSObject*> npJSObjects;
copyValuesToVector(m_npJSObjects, npJSObjects);
// Deallocate all the object wrappers so we won't leak any JavaScript objects.
for (size_t i = 0; i < npJSObjects.size(); ++i)
deallocateNPObject(npJSObjects[i]);
// We shouldn't have any NPJSObjects left now.
ASSERT(m_npJSObjects.isEmpty());
Vector<NPObject*> objects;
for (HashMap<NPObject*, JSC::Weak<JSNPObject>>::iterator ptr = m_jsNPObjects.begin(), end = m_jsNPObjects.end(); ptr != end; ++ptr) {
JSNPObject* jsNPObject = ptr->value.get();
if (!jsNPObject) // Skip zombies.
continue;
objects.append(jsNPObject->leakNPObject());
}
m_jsNPObjects.clear();
for (size_t i = 0; i < objects.size(); ++i)
releaseNPObject(objects[i]);
// Deal with any objects that were scheduled for delayed destruction
if (m_npObjectsToFinalize.isEmpty())
return;
ASSERT(m_finalizationTimer.isActive());
m_finalizationTimer.stop();
invalidateQueuedObjects();
}
JSValue JSNPObject::methodGetter(ExecState* exec, JSValue slotBase, const Identifier& methodName)
{
JSNPObject* thisObj = static_cast<JSNPObject*>(asObject(slotBase));
if (!thisObj->m_npObject)
return throwInvalidAccessError(exec);
NPIdentifier npIdentifier = npIdentifierFromIdentifier(methodName);
return new (exec) JSNPMethod(exec, thisObj->globalObject(), methodName, npIdentifier);
}
JSValue JSNPObject::methodGetter(ExecState* exec, JSValue slotBase, PropertyName methodName)
{
JSNPObject* thisObj = static_cast<JSNPObject*>(asObject(slotBase));
ASSERT_GC_OBJECT_INHERITS(thisObj, &s_info);
if (!thisObj->m_npObject)
return throwInvalidAccessError(exec);
NPIdentifier npIdentifier = npIdentifierFromIdentifier(methodName);
return JSNPMethod::create(exec, thisObj->globalObject(), methodName.ustring(), npIdentifier);
}
EncodedJSValue JSNPObject::methodGetter(ExecState* exec, EncodedJSValue slotBase, EncodedJSValue, PropertyName propertyName)
{
JSNPObject* thisObj = jsCast<JSNPObject*>(JSValue::decode(slotBase));
ASSERT_GC_OBJECT_INHERITS(thisObj, info());
if (!thisObj->m_npObject)
return JSValue::encode(throwInvalidAccessError(exec));
NPIdentifier npIdentifier = npIdentifierFromIdentifier(propertyName);
return JSValue::encode(JSNPMethod::create(exec, thisObj->globalObject(), propertyName.publicName(), npIdentifier));
}
NPObject* NPRuntimeObjectMap::getOrCreateNPObject(JSGlobalData& globalData, JSObject* jsObject)
{
// If this is a JSNPObject, we can just get its underlying NPObject.
if (jsObject->classInfo() == &JSNPObject::s_info) {
JSNPObject* jsNPObject = static_cast<JSNPObject*>(jsObject);
NPObject* npObject = jsNPObject->npObject();
retainNPObject(npObject);
return npObject;
}
// First, check if we already know about this object.
if (NPJSObject* npJSObject = m_npJSObjects.get(jsObject)) {
retainNPObject(npJSObject);
return npJSObject;
}
NPJSObject* npJSObject = NPJSObject::create(globalData, this, jsObject);
m_npJSObjects.set(jsObject, npJSObject);
return npJSObject;
}
NPObject* NPRuntimeObjectMap::getOrCreateNPObject(VM& vm, JSObject* jsObject)
{
// If this is a JSNPObject, we can just get its underlying NPObject.
if (jsObject->classInfo() == JSNPObject::info()) {
JSNPObject* jsNPObject = jsCast<JSNPObject*>(jsObject);
NPObject* npObject = jsNPObject->npObject();
retainNPObject(npObject);
return npObject;
}
// First, check if we already know about this object.
if (NPJSObject* npJSObject = m_npJSObjects.get(jsObject)) {
retainNPObject(npJSObject);
return npJSObject;
}
NPJSObject* npJSObject = NPJSObject::create(vm, this, jsObject);
m_npJSObjects.set(jsObject, npJSObject);
return npJSObject;
}
static EncodedJSValue JSC_HOST_CALL callMethod(ExecState* exec)
{
JSNPMethod* jsNPMethod = static_cast<JSNPMethod*>(exec->callee());
JSValue thisValue = exec->hostThisValue();
// Check if we're calling a method on the plug-in script object.
if (thisValue.inherits(&JSHTMLElement::s_info)) {
JSHTMLElement* element = static_cast<JSHTMLElement*>(asObject(thisValue));
// Try to get the script object from the element
if (JSObject* scriptObject = pluginScriptObject(exec, element))
thisValue = scriptObject;
}
if (thisValue.inherits(&JSNPObject::s_info)) {
JSNPObject* jsNPObject = static_cast<JSNPObject*>(asObject(thisValue));
return JSValue::encode(jsNPObject->callMethod(exec, jsNPMethod->npIdentifier()));
}
return throwVMTypeError(exec);
}
void NPRuntimeObjectMap::finalize(JSC::Handle<JSC::Unknown> handle, void* context)
{
JSNPObject* object = jsCast<JSNPObject*>(handle.get().asCell());
weakRemove(m_jsNPObjects, static_cast<NPObject*>(context), object);
addToInvalidationQueue(object->leakNPObject());
}
