/*
 * Copyright (C) 2007, 2008, 2009 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
 */

#include "config.h"
#include "JSNodeFilter.h"

#include "JSDOMWindowBase.h"
#include "JSNode.h"
#include "JSNodeFilterCondition.h"
#include "NodeFilter.h"
#include "JSDOMBinding.h"

using namespace JSC;

namespace WebCore {

void JSNodeFilter::markChildren(MarkStack& markStack)
{
    Base::markChildren(markStack);
    markStack.addOpaqueRoot(impl());
}

PassRefPtr<NodeFilter> toNodeFilter(JSGlobalData& globalData, JSValue value)
{
    if (value.inherits(&JSNodeFilter::s_info))
        return static_cast<JSNodeFilter*>(asObject(value))->impl();

    RefPtr<NodeFilter> result = NodeFilter::create();
    result->setCondition(JSNodeFilterCondition::create(globalData, result.get(), value));
    return result.release();
}

} // namespace WebCore