Esempio n. 1
0
bool
CallbackInterface::GetCallableProperty(JSContext* cx, const char* aPropName,
                                       JS::MutableHandle<JS::Value> aCallable)
{
  if (!JS_GetProperty(cx, mCallback, aPropName, aCallable.address())) {
    return false;
  }
  if (!aCallable.isObject() ||
      !JS_ObjectIsCallable(cx, &aCallable.toObject())) {
    nsPrintfCString description("Property '%s'", aPropName);
    ThrowErrorMessage(cx, MSG_NOT_CALLABLE, description.get());
    return false;
  }

  return true;
}
bool
CallbackInterface::GetCallableProperty(JSContext* cx, JS::Handle<jsid> aPropId,
                                       JS::MutableHandle<JS::Value> aCallable)
{
  if (!JS_GetPropertyById(cx, CallbackKnownNotGray(), aPropId, aCallable)) {
    return false;
  }
  if (!aCallable.isObject() ||
      !JS::IsCallable(&aCallable.toObject())) {
    char* propName =
      JS_EncodeString(cx, JS_FORGET_STRING_FLATNESS(JSID_TO_FLAT_STRING(aPropId)));
    nsPrintfCString description("Property '%s'", propName);
    JS_free(cx, propName);
    ThrowErrorMessage(cx, MSG_NOT_CALLABLE, description.get());
    return false;
  }

  return true;
}