bool
PluginAsyncSurrogate::GetPropertyHelper(NPObject* aObject, NPIdentifier aName,
                                        bool* aHasProperty, bool* aHasMethod,
                                        NPVariant* aResult)
{
  PLUGIN_LOG_DEBUG_FUNCTION;

  if (!aObject) {
    return false;
  }

  RecursionGuard guard;
  if (guard.IsRecursive()) {
    return false;
  }

  if (!WaitForInit()) {
    return false;
  }

  AsyncNPObject* object = static_cast<AsyncNPObject*>(aObject);
  NPObject* realObject = object->GetRealObject();
  if (!realObject) {
    return false;
  }
  if (realObject->_class != PluginScriptableObjectParent::GetClass()) {
    NS_ERROR("Don't know what kind of object this is!");
    return false;
  }

  PluginScriptableObjectParent* actor =
    static_cast<ParentNPObject*>(realObject)->parent;
  if (!actor) {
    return false;
  }
  bool success = actor->GetPropertyHelper(aName, aHasProperty, aHasMethod, aResult);
  if (!success) {
    const NPNetscapeFuncs* npn = mParent->GetNetscapeFuncs();
    NPObject* pluginObject = nullptr;
    NPError nperror = npn->getvalue(mInstance, NPNVPluginElementNPObject,
                                    (void*)&pluginObject);
    if (nperror == NPERR_NO_ERROR) {
      NPPAutoPusher nppPusher(mInstance);
      bool hasProperty = nsJSObjWrapper::HasOwnProperty(pluginObject, aName);
      NPUTF8* idstr = npn->utf8fromidentifier(aName);
      npn->memfree(idstr);
      bool hasMethod = false;
      if (hasProperty) {
        hasMethod = pluginObject->_class->hasMethod(pluginObject, aName);
        success = pluginObject->_class->getProperty(pluginObject, aName, aResult);
        idstr = npn->utf8fromidentifier(aName);
        npn->memfree(idstr);
      }
      *aHasProperty = hasProperty;
      *aHasMethod = hasMethod;
      npn->releaseobject(pluginObject);
    }
  }
  return success;
}
// static
bool
PluginAsyncSurrogate::ScriptableHasProperty(NPObject* aObject,
                                                    NPIdentifier aName)
{
  PLUGIN_LOG_DEBUG_FUNCTION;
  if (aObject->_class != GetClass()) {
    NS_ERROR("Don't know what kind of object this is!");
    return false;
  }

  RecursionGuard guard;
  if (guard.IsRecursive()) {
    return false;
  }

  AsyncNPObject* object = static_cast<AsyncNPObject*>(aObject);
  MOZ_ASSERT(object);
  bool checkPluginObject = !object->mSurrogate->mInstantiated &&
                           !object->mSurrogate->mAcceptCalls;

  if (!object->mSurrogate->WaitForInit()) {
    return false;
  }
  NPObject* realObject = object->GetRealObject();
  if (!realObject) {
    return false;
  }
  bool result = realObject->_class->hasProperty(realObject, aName);
  const NPNetscapeFuncs* npn = object->mSurrogate->mParent->GetNetscapeFuncs();
  NPUTF8* idstr = npn->utf8fromidentifier(aName);
  npn->memfree(idstr);
  if (!result && checkPluginObject) {
    // We may be calling into this object because properties in the WebIDL
    // object hadn't been set yet. Now that we're further along in
    // initialization, we should try again.
    NPObject* pluginObject = nullptr;
    NPError nperror = npn->getvalue(object->mSurrogate->mInstance,
                                    NPNVPluginElementNPObject,
                                    (void*)&pluginObject);
    if (nperror == NPERR_NO_ERROR) {
      NPPAutoPusher nppPusher(object->mSurrogate->mInstance);
      result = nsJSObjWrapper::HasOwnProperty(pluginObject, aName);
      npn->releaseobject(pluginObject);
      idstr = npn->utf8fromidentifier(aName);
      npn->memfree(idstr);
    }
  }
  return result;
}