12daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch/* 22daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch * Copyright (C) 2011 Apple Inc. All rights reserved. 32daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch * 42daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch * Redistribution and use in source and binary forms, with or without 52daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch * modification, are permitted provided that the following conditions 62daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch * are met: 72daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch * 1. Redistributions of source code must retain the above copyright 82daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch * notice, this list of conditions and the following disclaimer. 92daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch * 2. Redistributions in binary form must reproduce the above copyright 102daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch * notice, this list of conditions and the following disclaimer in the 112daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch * documentation and/or other materials provided with the distribution. 122daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch * 132daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY 142daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 152daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 162daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY 172daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 182daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 192daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 202daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 212daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 222daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 232daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch */ 242daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch 252daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch#include "config.h" 262daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch#include "CallbackFunction.h" 272daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch 282daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch#include "ExceptionCode.h" 292daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch#include "JSDOMBinding.h" 302daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch#include <runtime/CallData.h> 312daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch 322daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdochnamespace WebCore { 332daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch 342daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdochbool checkFunctionOnlyCallback(JSC::ExecState* exec, JSC::JSValue value, CallbackAllowedValueFlags acceptedValues) 352daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch{ 362daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch if (value.isUndefined() && (acceptedValues & CallbackAllowUndefined)) 372daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch return false; 382daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch 392daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch if (value.isNull() && (acceptedValues & CallbackAllowNull)) 402daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch return false; 412daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch 422daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch JSC::CallData callData; 432daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch if (getCallData(value, callData) == JSC::CallTypeNone) { 442daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch setDOMException(exec, TYPE_MISMATCH_ERR); 452daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch return false; 462daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch } 472daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch 482daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch return true; 492daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch} 502daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch 512daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch} // namespace WebCore 52