1 /*

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

     3  *

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

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

     6  * License as published by the Free Software Foundation; either

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

     8  *

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

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

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

    12  * Library General Public License for more details.

    13  *

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

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

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

    17  * Boston, MA 02110-1301, USA.

    18  */

    19 

    20 #include "config.h"

    21 #include "JSHTMLOptionsCollection.h"

    22 

    23 #include "ExceptionCode.h"

    24 #include "HTMLNames.h"

    25 #include "HTMLOptionElement.h"

    26 #include "HTMLOptionsCollection.h"

    27 #include "HTMLSelectElement.h"

    28 #include "JSHTMLOptionElement.h"

    29 #include "JSHTMLSelectElement.h"

    30 #include "JSHTMLSelectElementCustom.h"

    31 

    32 #include <wtf/MathExtras.h>

    33 

    34 using namespace JSC;

    35 

    36 namespace WebCore {

    37 

    38 JSValue JSHTMLOptionsCollection::length(ExecState* exec) const

    39 {

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

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

    42 }

    43 

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

    45 {

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

    47     ExceptionCode ec = 0;

    48     unsigned newLength = 0;

    49     double lengthValue = value.toNumber(exec);

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

    51         if (lengthValue < 0.0)

    52             ec = INDEX_SIZE_ERR;

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

    54             newLength = UINT_MAX;

    55         else

    56             newLength = static_cast<unsigned>(lengthValue);

    57     }

    58     if (!ec)

    59         imp->setLength(newLength, ec);

    60     setDOMException(exec, ec);

    61 }

    62 

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

    64 {

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

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

    67     selectIndexSetter(base, exec, index, value);

    68 }

    69 

    70 JSValue JSHTMLOptionsCollection::add(ExecState* exec)

    71 {

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

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

    74     ExceptionCode ec = 0;

    75     if (exec->argumentCount() < 2)

    76         imp->add(option, ec);

    77     else {

    78         bool ok;

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

    80         if (exec->hadException())

    81             return jsUndefined();

    82         if (!ok)

    83             ec = TYPE_MISMATCH_ERR;

    84         else

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

    86     }

    87     setDOMException(exec, ec);

    88     return jsUndefined();

    89 }

    90 

    91 JSValue JSHTMLOptionsCollection::remove(ExecState* exec)

    92 {

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

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

    95     return base->remove(exec);

    96 }

    97 

    98 }