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;
}