Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2             : /* vim: set ts=8 sts=2 et sw=2 tw=80: */
       3             : /* This Source Code Form is subject to the terms of the Mozilla Public
       4             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       5             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
       6             : 
       7             : #include "mozilla/dom/CallbackInterface.h"
       8             : #include "jsapi.h"
       9             : #include "mozilla/dom/BindingUtils.h"
      10             : #include "nsPrintfCString.h"
      11             : 
      12             : namespace mozilla {
      13             : namespace dom {
      14             : 
      15             : bool
      16          21 : CallbackInterface::GetCallableProperty(JSContext* cx, JS::Handle<jsid> aPropId,
      17             :                                        JS::MutableHandle<JS::Value> aCallable)
      18             : {
      19          21 :   if (!JS_GetPropertyById(cx, CallbackKnownNotGray(), aPropId, aCallable)) {
      20           0 :     return false;
      21             :   }
      22          42 :   if (!aCallable.isObject() ||
      23          21 :       !JS::IsCallable(&aCallable.toObject())) {
      24             :     char* propName =
      25           0 :       JS_EncodeString(cx, JS_FORGET_STRING_FLATNESS(JSID_TO_FLAT_STRING(aPropId)));
      26           0 :     nsPrintfCString description("Property '%s'", propName);
      27           0 :     JS_free(cx, propName);
      28           0 :     ThrowErrorMessage(cx, MSG_NOT_CALLABLE, description.get());
      29           0 :     return false;
      30             :   }
      31             : 
      32          21 :   return true;
      33             : }
      34             : 
      35             : } // namespace dom
      36             : } // namespace mozilla