/*

 * Copyright (C) 2009 Google 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:

 *

 *     * Redistributions of source code must retain the above copyright

 * notice, this list of conditions and the following disclaimer.

 *     * 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.

 *     * Neither the name of Google Inc. nor the names of its

 * contributors may be used to endorse or promote products derived from

 * this software without specific prior written permission.

 *

 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

 * "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 THE COPYRIGHT

 * OWNER 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 "WebNodeCollection.h"

#include "HTMLCollection.h"

#include "Node.h"

#include <wtf/PassRefPtr.h>

#include "WebNode.h"

using namespace WebCore;

namespace WebKit {

void WebNodeCollection::reset()

{

    assign(0);

}

void WebNodeCollection::assign(const WebNodeCollection& other)

{

    HTMLCollection* p = const_cast<HTMLCollection*>(other.m_private);

    if (p)

        p->ref();

    assign(p);

}

WebNodeCollection::WebNodeCollection(const PassRefPtr<HTMLCollection>& col)

    : m_private(static_cast<HTMLCollection*>(col.releaseRef()))

{

}

void WebNodeCollection::assign(HTMLCollection* p)

{

    // p is already ref'd for us by the caller

    if (m_private)

        m_private->deref();

    m_private = p;

}

unsigned WebNodeCollection::length() const

{

    return m_private->length();

}

WebNode WebNodeCollection::nextItem() const

{

    return WebNode(m_private->nextItem());

}

WebNode WebNodeCollection::firstItem() const

{

    return WebNode(m_private->firstItem());

}

} // namespace WebKit