1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/dom/bindings/CallbackInterface.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,33 @@
1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* vim:set ts=2 sw=2 sts=2 et cindent: */
1.6 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.8 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.9 +
1.10 +#include "mozilla/dom/CallbackInterface.h"
1.11 +#include "jsapi.h"
1.12 +#include "mozilla/dom/BindingUtils.h"
1.13 +#include "nsPrintfCString.h"
1.14 +
1.15 +namespace mozilla {
1.16 +namespace dom {
1.17 +
1.18 +bool
1.19 +CallbackInterface::GetCallableProperty(JSContext* cx, const char* aPropName,
1.20 + JS::MutableHandle<JS::Value> aCallable)
1.21 +{
1.22 + if (!JS_GetProperty(cx, CallbackPreserveColor(), aPropName, aCallable)) {
1.23 + return false;
1.24 + }
1.25 + if (!aCallable.isObject() ||
1.26 + !JS_ObjectIsCallable(cx, &aCallable.toObject())) {
1.27 + nsPrintfCString description("Property '%s'", aPropName);
1.28 + ThrowErrorMessage(cx, MSG_NOT_CALLABLE, description.get());
1.29 + return false;
1.30 + }
1.31 +
1.32 + return true;
1.33 +}
1.34 +
1.35 +} // namespace dom
1.36 +} // namespace mozilla
