dom/base/ContentFrameMessageManager.cpp

   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 "ContentFrameMessageManager.h"
   8 #include "js/RootingAPI.h"
   9 #include "mozilla/dom/BindingUtils.h"
  10 #include "mozilla/dom/ScriptSettings.h"
  11
  12 using namespace mozilla;
  13 using namespace mozilla::dom;
  14
  15 JSObject* ContentFrameMessageManager::GetOrCreateWrapper() {
  16   JS::Rooted<JS::Value> val(RootingCx());
  17   {
  18     // Scope to run ~AutoJSAPI before working with a raw JSObject*.
  19     AutoJSAPI jsapi;
  20     jsapi.Init();
  21
  22     if (!GetOrCreateDOMReflectorNoWrap(jsapi.cx(), this, &val)) {
  23       return nullptr;
  24     }
  25   }
  26   MOZ_ASSERT(val.isObject());
  27   return &val.toObject();
  28 }