NS_IMETHODIMP
nsDOMMultipartFile::Initialize(nsISupports* aOwner,
                               JSContext* aCx,
                               JSObject* aObj,
                               const JS::CallArgs& aArgs)
{
  if (!mIsFile) {
    return InitBlob(aCx, aArgs.length(), aArgs.array(), GetXPConnectNative);
  }

  if (!nsContentUtils::IsCallerChrome()) {
    return InitFile(aCx, aArgs.length(), aArgs.array());
  }

  if (aArgs.length() > 0) {
    JS::Value* argv = aArgs.array();
    if (argv[0].isObject()) {
      JS::Rooted<JSObject*> obj(aCx, &argv[0].toObject());
      if (JS_IsArrayObject(aCx, obj)) {
        return InitFile(aCx, aArgs.length(), aArgs.array());
      }
    }
  }

  return InitChromeFile(aCx, aArgs.length(), aArgs.array());
}
Beispiel #2
0
void CodeInfo::construct(JSContext* cx, JS::CallArgs args) {
    uassert(ErrorCodes::BadValue,
            "Code needs 0, 1 or 2 arguments",
            args.length() == 0 || args.length() == 1 || args.length() == 2);
    auto scope = getScope(cx);

    JS::RootedObject thisv(cx);

    scope->getProto<CodeInfo>().newObject(&thisv);
    ObjectWrapper o(cx, thisv);

    if (args.length() == 0) {
        o.setString(InternedString::code, "");
    } else if (args.length() == 1) {
        JS::HandleValue codeArg = args.get(0);
        if (!codeArg.isString())
            uasserted(ErrorCodes::BadValue, "code must be a string");

        o.setValue(InternedString::code, codeArg);
    } else {
        if (!args.get(0).isString())
            uasserted(ErrorCodes::BadValue, "code must be a string");
        if (!args.get(1).isObject())
            uasserted(ErrorCodes::BadValue, "scope must be an object");

        o.setValue(InternedString::code, args.get(0));
        o.setValue(InternedString::scope, args.get(1));
    }

    args.rval().setObjectOrNull(thisv);
}
Beispiel #3
0
void TimestampInfo::construct(JSContext* cx, JS::CallArgs args) {
    auto scope = getScope(cx);

    JS::RootedObject thisv(cx);
    scope->getProto<TimestampInfo>().newObject(&thisv);
    ObjectWrapper o(cx, thisv);

    if (args.length() == 0) {
        o.setNumber("t", 0);
        o.setNumber("i", 0);
    } else if (args.length() == 2) {
        if (!args.get(0).isNumber())
            uasserted(ErrorCodes::BadValue, "Timestamp time must be a number");
        if (!args.get(1).isNumber())
            uasserted(ErrorCodes::BadValue, "Timestamp increment must be a number");

        int64_t t = ValueWriter(cx, args.get(0)).toInt64();
        int64_t largestVal = int64_t(Timestamp::max().getSecs());
        if (t > largestVal)
            uasserted(ErrorCodes::BadValue,
                      str::stream() << "The first argument must be in seconds; " << t
                                    << " is too large (max " << largestVal << ")");

        o.setValue("t", args.get(0));
        o.setValue("i", args.get(1));
    } else {
        uasserted(ErrorCodes::BadValue, "Timestamp needs 0 or 2 arguments");
    }

    args.rval().setObjectOrNull(thisv);
}
Beispiel #4
0
void DBInfo::construct(JSContext* cx, JS::CallArgs args) {
    auto scope = getScope(cx);

    if (args.length() != 2)
        uasserted(ErrorCodes::BadValue, "db constructor requires 2 arguments");

    for (unsigned i = 0; i < args.length(); ++i) {
        uassert(ErrorCodes::BadValue,
                "db initializer called with undefined argument",
                !args.get(i).isUndefined());
    }

    JS::RootedObject thisv(cx);
    scope->getProto<DBInfo>().newObject(&thisv);
    ObjectWrapper o(cx, thisv);

    o.setValue(InternedString::_mongol, args.get(0));
    o.setValue(InternedString::_name, args.get(1));

    std::string dbName = ValueWriter(cx, args.get(1)).toString();

    if (!NamespaceString::validDBName(dbName))
        uasserted(ErrorCodes::BadValue,
                  str::stream() << "[" << dbName << "] is not a valid database name");

    args.rval().setObjectOrNull(thisv);
}
NS_IMETHODIMP
nsDOMMultipartFile::Initialize(nsISupports* aOwner,
                               JSContext* aCx,
                               JSObject* aObj,
                               const JS::CallArgs& aArgs)
{
  if (!mIsFile) {
    return InitBlob(aCx, aArgs.length(), aArgs.array(), GetXPConnectNative);
  }
  return InitFile(aCx, aArgs.length(), aArgs.array());
}
bool
XPC_WN_CallMethod(JSContext* cx, unsigned argc, Value* vp)
{
    JS::CallArgs args = JS::CallArgsFromVp(argc, vp);
    MOZ_ASSERT(JS_TypeOfValue(cx, args.calleev()) == JSTYPE_FUNCTION, "bad function");
    RootedObject funobj(cx, &args.callee());

    RootedObject obj(cx, JS_THIS_OBJECT(cx, vp));
    if (!obj)
        return false;

    obj = FixUpThisIfBroken(obj, funobj);
    XPCCallContext ccx(cx, obj, funobj, JSID_VOIDHANDLE, args.length(),
                       args.array(), vp);
    XPCWrappedNative* wrapper = ccx.GetWrapper();
    THROW_AND_RETURN_IF_BAD_WRAPPER(cx, wrapper);

    RefPtr<XPCNativeInterface> iface;
    XPCNativeMember*    member;

    if (!XPCNativeMember::GetCallInfo(funobj, &iface, &member))
        return Throw(NS_ERROR_XPC_CANT_GET_METHOD_INFO, cx);
    ccx.SetCallInfo(iface, member, false);
    return XPCWrappedNative::CallMethod(ccx);
}
bool
FieldSetterImpl(JSContext *cx, JS::CallArgs args)
{
  const JS::Value &thisv = args.thisv();
  MOZ_ASSERT(ValueHasISupportsPrivate(thisv));

  JS::Rooted<JSObject*> thisObj(cx, &thisv.toObject());

  // We should be in the compartment of |this|. If we got here via nativeCall,
  // |this| is not same-compartment with |callee|, and it's possible via
  // asymmetric security semantics that |args.calleev()| is actually a security
  // wrapper. In this case, we know we want to do an unsafe unwrap, and
  // InstallXBLField knows how to handle cross-compartment pointers.
  bool installed = false;
  JS::Rooted<JSObject*> callee(cx, js::UncheckedUnwrap(&args.calleev().toObject()));
  JS::Rooted<jsid> id(cx);
  if (!InstallXBLField(cx, callee, thisObj, &id, &installed)) {
    return false;
  }

  if (installed) {
    JS::Rooted<JS::Value> v(cx,
                            args.length() > 0 ? args[0] : JS::UndefinedValue());
    if (!::JS_SetPropertyById(cx, thisObj, id, v.address())) {
      return false;
    }
  }
  args.rval().setUndefined();
  return true;
}
Beispiel #8
0
static JSBool
AfxGlobal_modReplaceOnGlEnd(JSContext *cx, unsigned argc, JS::Value *vp)
{
    JS::CallArgs args = JS::CallArgsFromVp(argc, vp);
	if(4 > args.length())
		return JS_FALSE;

	GLint oldActiveTextureArb;
	GLboolean oldTexture2d;
	GLint oldTextureBinding2d;
	GLint oldTextureEnvMode;

	if(!JS::ToInt32(cx, args[0], &oldActiveTextureArb))
		return JS_FALSE;

	oldTexture2d = JS::ToBoolean(args[1]);

	if(!JS::ToInt32(cx, args[2], &oldTextureBinding2d))
		return JS_FALSE;
	if(!JS::ToInt32(cx, args[3], &oldTextureEnvMode))
		return JS_FALSE;

	
	glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, oldTextureEnvMode);
	glBindTexture(GL_TEXTURE_2D, oldTextureBinding2d);
	if(!oldTexture2d) glDisable(GL_TEXTURE_2D);

	glActiveTextureARB(oldActiveTextureArb);
	
	args.rval().set(JSVAL_VOID);
    return JS_TRUE;
}
Beispiel #9
0
static JSBool
AfxGlobal_hlCvarSetValue(JSContext *cx, unsigned argc, JS::Value *vp)
{
    JS::CallArgs args = JS::CallArgsFromVp(argc, vp);
	if(2 > args.length())
		return JS_FALSE;

    JSString *str = JS_ValueToString(cx, args[0]);
    if (!str)
        return JS_FALSE;

    char * cvar = JS_EncodeString(cx, str);
	if(!cvar)
		return JS_FALSE;

	std::string strCvar(cvar);

	JS_free(cx, cvar);

	double value;

	if(!JS::ToNumber(cx, args[1], &value))
		return JS_FALSE;

	pEngfuncs->Cvar_SetValue(const_cast<char *>(strCvar.c_str()), (float)value);

	args.rval().set(JSVAL_VOID);
	return JS_TRUE;
}
Beispiel #10
0
static JSBool
AfxGlobal_load(JSContext *cx, unsigned argc, JS::Value *vp)
{
    JS::CallArgs args = JS::CallArgsFromVp(argc, vp);
	if(1 > args.length())
		return JS_FALSE;

    JSString *str = JS_ValueToString(cx, args[0]);
    if (!str)
        return JS_FALSE;

    char *filename = JS_EncodeString(cx, str);
	if(!filename)
		return JS_FALSE;

	std::string strFile(filename);

	JS_free(cx, filename);

    JS::RootedObject thisobj(cx, JS_THIS_OBJECT(cx, vp));
    if (!thisobj)
        return false;

	JSScript *script = JS::Compile(cx, thisobj, JS::CompileOptions(cx), strFile.c_str());
	if(!script)
		return JS_FALSE;

	jsval result;

	if(!JS_ExecuteScript(cx, thisobj, script, &result))
		return JS_FALSE;

	args.rval().set(result);
	return JS_TRUE;
}
Beispiel #11
0
static JSBool
AfxGlobal_glGenTextures(JSContext *cx, unsigned argc, JS::Value *vp)
{
    JS::CallArgs args = JS::CallArgsFromVp(argc, vp);
	if(1 > args.length())
		return JS_FALSE;

	uint32_t length;
	if(!JS::ToUint32(cx, args[0], &length))
		return JS_FALSE;

	GLuint * textures = new GLuint[length];
	jsval * jsTextures = new jsval[length];

	glGenTextures(length, textures);

	for(uint32_t i=0; i<length; i++)
	{
		jsTextures[i] = JS_NumberValue(textures[i]);
	}

	delete textures;

	JSObject * retObj = JS_NewArrayObject(cx, length, jsTextures);

	delete jsTextures;

	if(!retObj)
		return JS_FALSE;

	args.rval().set(OBJECT_TO_JSVAL(retObj));

	return JS_TRUE;
}
Beispiel #12
0
static JSBool
AfxGlobal_createPath(JSContext *cx, unsigned argc, JS::Value *vp)
{
    JS::CallArgs args = JS::CallArgsFromVp(argc, vp);
	if(1 > args.length())
		return JS_FALSE;

    JSString *str = JS_ValueToString(cx, args[0]);
    if (!str)
        return JS_FALSE;

    char *c_str = JS_EncodeString(cx, str);
	if(!c_str)
		return JS_FALSE;

	bool bOk = false;

	std::wstring wPath;
	std::string path;

	if(AnsiStringToWideString(c_str, wPath)
		&& CreatePath(wPath.c_str(), wPath)
		&& WideStringToAnsiString(wPath.c_str(), path))
	{
		JSString * str = JS_NewStringCopyZ(cx, path.c_str());

		args.rval().set(STRING_TO_JSVAL(str));
	}
	else
		args.rval().set(JSVAL_NULL);

	JS_free(cx, c_str);

    return JS_TRUE;
}
Beispiel #13
0
static JSBool
AfxGlImage_writeBitmap(JSContext *cx, unsigned argc, JS::Value *vp)
{
    JS::CallArgs args = JS::CallArgsFromVp(argc, vp);
	if(1 > args.length())
		return JS_FALSE;

	JSObject * jsObj;
	if(!JS_ValueToObject(cx, args.thisv(), &jsObj))
		return JS_FALSE;

	AfxGlImage *afxGlImage = (AfxGlImage *)JS_GetPrivate(jsObj);

    JSString *str = JS_ValueToString(cx, args[0]);
    if (!str)
        return JS_FALSE;

    char *c_str = JS_EncodeString(cx, str);
	if(!c_str)
		return JS_FALSE;

	std::wstring wFileName;

	bool bOk = AnsiStringToWideString(c_str, wFileName);

	JS_free(cx, c_str);

	if(!(bOk
		&& AfxImageUtils::WriteBitmap(afxGlImage, wFileName.c_str())))
		return JS_FALSE;

	args.rval().set(JSVAL_VOID);
    return JS_TRUE;
}
Beispiel #14
0
static JSBool
AfxGlImage_sliceFloatDepthBuffer(JSContext *cx, unsigned argc, JS::Value *vp)
{
    JS::CallArgs args = JS::CallArgsFromVp(argc, vp);
	if(2 > args.length())
		return JS_FALSE;

	JSObject * jsObj;
	if(!JS_ValueToObject(cx, args.thisv(), &jsObj))
		return JS_FALSE;

	AfxGlImage *afxGlImage = (AfxGlImage *)JS_GetPrivate(jsObj);

	GLdouble sliceLo;
	GLdouble sliceHi;
	
	if(!(
		JS::ToNumber(cx, args[0], &sliceLo)
		&& JS::ToNumber(cx, args[1], &sliceHi)
	))
		return JS_FALSE;

	if(!AfxImageUtils::SliceFloatDepthBuffer(afxGlImage, sliceLo, sliceHi))
		return JS_FALSE;

	args.rval().set(JSVAL_VOID);
    return JS_TRUE;
}
Beispiel #15
0
static JSBool
AfxGlobal_soundRecStart(JSContext *cx, unsigned argc, JS::Value *vp)
{
    JS::CallArgs args = JS::CallArgsFromVp(argc, vp);
	if(2 > args.length())
		return JS_FALSE;

	double volume;

	if(!JS::ToNumber(cx, args[1], &volume))
		return JS_FALSE;

    JSString *str = JS_ValueToString(cx, args[0]);
    if (!str)
        return JS_FALSE;

    char *c_str = JS_EncodeString(cx, str);
	if(!c_str)
		return JS_FALSE;

	std::wstring wPath;

	if(!AnsiStringToWideString(c_str, wPath))
	{
		JS_free(cx, c_str);
		return JS_FALSE;
	}

	JS_free(cx, c_str);

	bool result = g_Filming.GetFilmSound()->Start(wPath.c_str(), 0, (float)volume);

	args.rval().set(BOOLEAN_TO_JSVAL(result));
    return JS_TRUE;
}
Beispiel #16
0
JS_BINDED_FUNC_IMPL(FakeAudio, removeEventListener) {
	JS::CallArgs args = CallArgsFromVp(argc, vp);
	if (args.length() >= 2) {
		// need to think this through
	}
	return JS_TRUE;
}
Beispiel #17
0
static bool
RegisterAppManifest(JSContext* cx, unsigned argc, jsval* vp)
{
    JS::CallArgs args = JS::CallArgsFromVp(argc, vp);
    if (args.length() != 1) {
        JS_ReportError(cx, "Wrong number of arguments");
        return false;
    }
    if (!args[0].isObject()) {
        JS_ReportError(cx, "Expected object as argument 1 to registerAppManifest");
        return false;
    }

    Rooted<JSObject*> arg1(cx, &args[0].toObject());
    nsCOMPtr<nsIFile> file;
    nsresult rv = nsXPConnect::XPConnect()->
        WrapJS(cx, arg1, NS_GET_IID(nsIFile), getter_AddRefs(file));
    if (NS_FAILED(rv)) {
        XPCThrower::Throw(rv, cx);
        return false;
    }
    rv = XRE_AddManifestLocation(NS_APP_LOCATION, file);
    if (NS_FAILED(rv)) {
        XPCThrower::Throw(rv, cx);
        return false;
    }
    return true;
}
Beispiel #18
0
void SessionInfo::Functions::getTxnNumber::call(JSContext* cx, JS::CallArgs args) {
    auto holder = getHolder(args);
    invariant(holder);
    uassert(ErrorCodes::BadValue, "getTxnNumber takes no arguments", args.length() == 0);

    ValueReader(cx, args.rval()).fromInt64(holder->txnNumber);
}
Beispiel #19
0
void SessionInfo::Functions::getTxnState::call(JSContext* cx, JS::CallArgs args) {
    auto holder = getHolder(args);
    invariant(holder);
    uassert(ErrorCodes::BadValue, "getTxnState takes no arguments", args.length() == 0);

    ValueReader(cx, args.rval()).fromStringData(transactionStateName(holder->txnState));
}
Beispiel #20
0
static bool
SetInterruptCallback(JSContext* cx, unsigned argc, jsval* vp)
{
    MOZ_ASSERT(sScriptedInterruptCallback.initialized());

    // Sanity-check args.
    JS::CallArgs args = JS::CallArgsFromVp(argc, vp);
    if (args.length() != 1) {
        JS_ReportError(cx, "Wrong number of arguments");
        return false;
    }

    // Allow callers to remove the interrupt callback by passing undefined.
    if (args[0].isUndefined()) {
        sScriptedInterruptCallback = UndefinedValue();
        return true;
    }

    // Otherwise, we should have a callable object.
    if (!args[0].isObject() || !JS::IsCallable(&args[0].toObject())) {
        JS_ReportError(cx, "Argument must be callable");
        return false;
    }

    sScriptedInterruptCallback = args[0];

    return true;
}
Beispiel #21
0
static bool
Options(JSContext* cx, unsigned argc, jsval* vp)
{
    JS::CallArgs args = CallArgsFromVp(argc, vp);
    RuntimeOptions oldRuntimeOptions = RuntimeOptionsRef(cx);

    for (unsigned i = 0; i < args.length(); ++i) {
        JSString* str = ToString(cx, args[i]);
        if (!str)
            return false;

        JSAutoByteString opt(cx, str);
        if (!opt)
            return false;

        if (strcmp(opt.ptr(), "strict") == 0)
            RuntimeOptionsRef(cx).toggleExtraWarnings();
        else if (strcmp(opt.ptr(), "werror") == 0)
            RuntimeOptionsRef(cx).toggleWerror();
        else if (strcmp(opt.ptr(), "strict_mode") == 0)
            RuntimeOptionsRef(cx).toggleStrictMode();
        else {
            JS_ReportError(cx, "unknown option name '%s'. The valid names are "
                           "strict, werror, and strict_mode.", opt.ptr());
            return false;
        }
    }

    char* names = nullptr;
    if (oldRuntimeOptions.extraWarnings()) {
        names = JS_sprintf_append(names, "%s", "strict");
        if (!names) {
            JS_ReportOutOfMemory(cx);
            return false;
        }
    }
    if (oldRuntimeOptions.werror()) {
        names = JS_sprintf_append(names, "%s%s", names ? "," : "", "werror");
        if (!names) {
            JS_ReportOutOfMemory(cx);
            return false;
        }
    }
    if (names && oldRuntimeOptions.strictMode()) {
        names = JS_sprintf_append(names, "%s%s", names ? "," : "", "strict_mode");
        if (!names) {
            JS_ReportOutOfMemory(cx);
            return false;
        }
    }

    JSString* str = JS_NewStringCopyZ(cx, names);
    free(names);
    if (!str)
        return false;

    args.rval().setString(str);
    return true;
}
Beispiel #22
0
void SessionInfo::Functions::incrementTxnNumber::call(JSContext* cx, JS::CallArgs args) {
    auto holder = getHolder(args);
    invariant(holder);
    uassert(ErrorCodes::BadValue, "incrementTxnNumber takes no arguments", args.length() == 0);

    ++holder->txnNumber;
    args.rval().setUndefined();
}
Beispiel #23
0
static bool
Censor(JSContext* cx, unsigned argc, JS::Value* vp)
{
    JS::CallArgs args = JS::CallArgsFromVp(argc, vp);
    MOZ_RELEASE_ASSERT(args.length() == 2);
    MOZ_RELEASE_ASSERT(args[0].isString());
    args.rval().setNull();
    return true;
}
Beispiel #24
0
void SessionInfo::Functions::setTxnNumber::call(JSContext* cx, JS::CallArgs args) {
    auto holder = getHolder(args);
    invariant(holder);
    uassert(ErrorCodes::BadValue, "setTxnNumber takes 1 argument", args.length() == 1);

    auto arg = args.get(0);
    holder->txnNumber = ValueWriter(cx, arg).toInt64();
    args.rval().setUndefined();
}
Beispiel #25
0
void SessionInfo::Functions::setTxnState::call(JSContext* cx, JS::CallArgs args) {
    auto holder = getHolder(args);
    invariant(holder);
    uassert(ErrorCodes::BadValue, "setTxnState takes 1 argument", args.length() == 1);

    auto arg = args.get(0);
    holder->txnState = transactionStateEnum(ValueWriter(cx, arg).toString().c_str());
    args.rval().setUndefined();
}
Beispiel #26
0
static bool
constructHook(JSContext *cx, unsigned argc, jsval *vp)
{
    JS::CallArgs args = CallArgsFromVp(argc, vp);

    // Check that arguments were passed properly from JS_New.

    JS::RootedObject obj(cx, JS_NewObject(cx, js::Jsvalify(&JSObject::class_), JS::NullPtr(), JS::NullPtr()));
    if (!obj) {
        JS_ReportError(cx, "test failed, could not construct object");
        return false;
    }
    if (strcmp(JS_GetClass(obj)->name, "Object") != 0) {
        JS_ReportError(cx, "test failed, wrong class for 'this'");
        return false;
    }
    if (args.length() != 3) {
        JS_ReportError(cx, "test failed, argc == %d", args.length());
        return false;
    }
    if (!args[0].isInt32() || args[2].toInt32() != 2) {
        JS_ReportError(cx, "test failed, wrong value in args[2]");
        return false;
    }
    if (!args.isConstructing()) {
        JS_ReportError(cx, "test failed, not constructing");
        return false;
    }

    // Perform a side-effect to indicate that this hook was actually called.
    JS::RootedValue value(cx, args[0]);
    JS::RootedObject callee(cx, &args.callee());
    if (!JS_SetElement(cx, callee, 0, value))
        return false;

    args.rval().setObject(*obj);

    // trash the argv, perversely
    args[0].setUndefined();
    args[1].setUndefined();
    args[2].setUndefined();

    return true;
}
Beispiel #27
0
void TimestampInfo::construct(JSContext* cx, JS::CallArgs args) {
    auto scope = getScope(cx);

    JS::RootedObject thisv(cx);
    scope->getProto<TimestampInfo>().newObject(&thisv);
    ObjectWrapper o(cx, thisv);

    if (args.length() == 0) {
        o.setNumber(InternedString::t, 0);
        o.setNumber(InternedString::i, 0);
    } else if (args.length() == 2) {
        o.setNumber(InternedString::t, getTimestampArg(cx, args, 0, "Timestamp time (seconds)"));
        o.setNumber(InternedString::i, getTimestampArg(cx, args, 1, "Timestamp increment"));
    } else {
        uasserted(ErrorCodes::BadValue, "Timestamp needs 0 or 2 arguments");
    }

    args.rval().setObjectOrNull(thisv);
}
Beispiel #28
0
void BinDataInfo::Functions::HexData::call(JSContext* cx, JS::CallArgs args) {
    if (args.length() != 2)
        uasserted(ErrorCodes::BadValue, "HexData needs 2 arguments");

    JS::RootedValue type(cx, args.get(0));

    if (!type.isNumber() || type.toInt32() < 0 || type.toInt32() > 255)
        uasserted(ErrorCodes::BadValue,
                  "HexData subtype must be a Number between 0 and 255 inclusive");

    hexToBinData(cx, type.toInt32(), args.get(1), args.rval());
}
Beispiel #29
0
void BinDataInfo::Functions::MD5::call(JSContext* cx, JS::CallArgs args) {
    if (args.length() != 1)
        uasserted(ErrorCodes::BadValue, "MD5 needs 1 argument");

    auto arg = args.get(0);
    auto str = ValueWriter(cx, arg).toString();

    if (str.length() != 32)
        uasserted(ErrorCodes::BadValue, "MD5 string must have 32 characters");

    hexToBinData(cx, MD5Type, arg, args.rval());
}
Beispiel #30
0
static bool
SimulateActivityCallback(JSContext* cx, unsigned argc, jsval* vp)
{
    // Sanity-check args.
    JS::CallArgs args = JS::CallArgsFromVp(argc, vp);
    if (args.length() != 1 || !args[0].isBoolean()) {
        JS_ReportError(cx, "Wrong number of arguments");
        return false;
    }
    xpc::SimulateActivityCallback(args[0].toBoolean());
    return true;
}