/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/* vim: set ts=8 sts=2 et sw=2 tw=80: */

/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this file,

 * You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "ChromeWorkerScope.h"

#include "jsapi.h"

#include "nsXPCOM.h"

#include "nsNativeCharsetUtils.h"

#include "nsString.h"

#include "WorkerPrivate.h"

namespace mozilla {

namespace dom {

namespace {

#ifdef BUILD_CTYPES

char*

UnicodeToNative(JSContext* aCx, const char16_t* aSource, size_t aSourceLen)

{

  nsDependentString unicode(aSource, aSourceLen);

  nsAutoCString native;

  if (NS_FAILED(NS_CopyUnicodeToNative(unicode, native))) {

    JS_ReportErrorASCII(aCx, "Could not convert string to native charset!");

    return nullptr;

  }

  char* result = static_cast<char*>(JS_malloc(aCx, native.Length() + 1));

  if (!result) {

    return nullptr;

  }

  memcpy(result, native.get(), native.Length());

  result[native.Length()] = 0;

  return result;

}

#endif // BUILD_CTYPES

} // namespace

bool

DefineChromeWorkerFunctions(JSContext* aCx, JS::Handle<JSObject*> aGlobal)

{

  // Currently ctypes is the only special property given to ChromeWorkers.

#ifdef BUILD_CTYPES

  {

    JS::Rooted<JS::Value> ctypes(aCx);

    if (!JS_InitCTypesClass(aCx, aGlobal) ||

        !JS_GetProperty(aCx, aGlobal, "ctypes", &ctypes)) {

      return false;

    }

    static const JSCTypesCallbacks callbacks = {

      UnicodeToNative

    };

    JS_SetCTypesCallbacks(ctypes.toObjectOrNull(), &callbacks);

  }

#endif // BUILD_CTYPES

  return true;

}

} // dom namespace

} // mozilla namespace