/*

 * Copyright (C) 2006, 2007, 2008 Apple Inc. All rights reserved.

 *

 * This library is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Library General Public

 * License as published by the Free Software Foundation; either

 * version 2 of the License, or (at your option) any later version.

 *

 * This library is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

 * Library General Public License for more details.

 *

 * You should have received a copy of the GNU Library General Public License

 * along with this library; see the file COPYING.LIB.  If not, write to

 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,

 * Boston, MA 02110-1301, USA.

 */

#include "config.h"

#include "JSHTMLOptionsCollection.h"

#include "ExceptionCode.h"

#include "HTMLNames.h"

#include "HTMLOptionElement.h"

#include "HTMLOptionsCollection.h"

#include "HTMLSelectElement.h"

#include "JSHTMLOptionElement.h"

#include "JSHTMLSelectElement.h"

#include "JSHTMLSelectElementCustom.h"

#include <wtf/MathExtras.h>

using namespace JSC;

namespace WebCore {

JSValue JSHTMLOptionsCollection::length(ExecState* exec) const

{

    HTMLOptionsCollection* imp = static_cast<HTMLOptionsCollection*>(impl());

    return jsNumber(exec, imp->length());

}

void JSHTMLOptionsCollection::setLength(ExecState* exec, JSValue value)

{

    HTMLOptionsCollection* imp = static_cast<HTMLOptionsCollection*>(impl());

    ExceptionCode ec = 0;

    unsigned newLength = 0;

    double lengthValue = value.toNumber(exec);

    if (!isnan(lengthValue) && !isinf(lengthValue)) {

        if (lengthValue < 0.0)

            ec = INDEX_SIZE_ERR;

        else if (lengthValue > static_cast<double>(UINT_MAX))

            newLength = UINT_MAX;

        else

            newLength = static_cast<unsigned>(lengthValue);

    }

    if (!ec)

        imp->setLength(newLength, ec);

    setDOMException(exec, ec);

}

void JSHTMLOptionsCollection::indexSetter(ExecState* exec, unsigned index, JSValue value)

{

    HTMLOptionsCollection* imp = static_cast<HTMLOptionsCollection*>(impl());

    HTMLSelectElement* base = static_cast<HTMLSelectElement*>(imp->base());

    selectIndexSetter(base, exec, index, value);

}

JSValue JSHTMLOptionsCollection::add(ExecState* exec)

{

    HTMLOptionsCollection* imp = static_cast<HTMLOptionsCollection*>(impl());

    HTMLOptionElement* option = toHTMLOptionElement(exec->argument(0));

    ExceptionCode ec = 0;

    if (exec->argumentCount() < 2)

        imp->add(option, ec);

    else {

        bool ok;

        int index = exec->argument(1).toInt32(exec, ok);

        if (exec->hadException())

            return jsUndefined();

        if (!ok)

            ec = TYPE_MISMATCH_ERR;

        else

            imp->add(option, index, ec);

    }

    setDOMException(exec, ec);

    return jsUndefined();

}

JSValue JSHTMLOptionsCollection::remove(ExecState* exec)

{

    HTMLOptionsCollection* imp = static_cast<HTMLOptionsCollection*>(impl());

    JSHTMLSelectElement* base = static_cast<JSHTMLSelectElement*>(asObject(toJS(exec, globalObject(), imp->base())));

    return base->remove(exec);

}

}