jssvgpointlistcustom.cpp

linux下开源浏览器WebKit的源码,市面上的很多商用浏览器都是移植自WebKit

/*
 * Copyright (C) 2006, 2007, 2008 Nikolas Zimmermann <[e-mail]>
 * Copyright (C) 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"

#if ENABLE(SVG)
#include "JSSVGPointList.h"

#include "JSSVGPoint.h"
#include "SVGPointList.h"

using namespace JSC;

namespace WebCore {

typedef SVGPODListItem<FloatPoint> PODListItem;
typedef SVGList<RefPtr<PODListItem> > SVGPointListBase;

static JSValuePtr finishGetter(ExecState* exec, ExceptionCode& ec, SVGElement* context, SVGPointList* list, PassRefPtr<PODListItem > item)
{
    if (ec) {
        setDOMException(exec, ec);
        return jsUndefined();
    }
    return toJS(exec, JSSVGPODTypeWrapperCreatorForList<FloatPoint>::create(item.get(), list->associatedAttributeName()).get(), context);
}

static JSValuePtr finishSetter(ExecState* exec, ExceptionCode& ec, SVGElement* context, SVGPointList* list, PassRefPtr<PODListItem > item)
{
    if (ec) {
        setDOMException(exec, ec);
        return jsUndefined();
    }
    const QualifiedName& attributeName = list->associatedAttributeName();
    context->svgAttributeChanged(attributeName);
    return toJS(exec, JSSVGPODTypeWrapperCreatorForList<FloatPoint>::create(item.get(), attributeName).get(), context);
}

static JSValuePtr finishSetterReadOnlyResult(ExecState* exec, ExceptionCode& ec, SVGElement* context, SVGPointList* list, PassRefPtr<PODListItem> item)
{
    if (ec) {
        setDOMException(exec, ec);
        return jsUndefined();
    }
    context->svgAttributeChanged(list->associatedAttributeName());
    return toJS(exec, JSSVGStaticPODTypeWrapper<FloatPoint>::create(*item).get(), context);
}

JSValuePtr JSSVGPointList::clear(ExecState* exec, const ArgList&)
{
    ExceptionCode ec = 0;
    impl()->clear(ec);
    setDOMException(exec, ec);
    m_context->svgAttributeChanged(impl()->associatedAttributeName());
    return jsUndefined();
}

JSValuePtr JSSVGPointList::initialize(ExecState* exec, const ArgList& args)
{
    ExceptionCode ec = 0;
    SVGPointListBase* listImp = impl();
    return finishSetter(exec, ec, context(), impl(),
        listImp->initialize(PODListItem::copy(toSVGPoint(args.at(exec, 0))), ec));
}

JSValuePtr JSSVGPointList::getItem(ExecState* exec, const ArgList& args)
{
    bool indexOk;
    unsigned index = args.at(exec, 0).toUInt32(exec, indexOk);
    if (!indexOk) {
        setDOMException(exec, TYPE_MISMATCH_ERR);
        return jsUndefined();
    }

    ExceptionCode ec = 0;
    SVGPointListBase* listImp = impl();
    return finishGetter(exec, ec, context(), impl(),
        listImp->getItem(index, ec));
}

JSValuePtr JSSVGPointList::insertItemBefore(ExecState* exec, const ArgList& args)
{
    bool indexOk;
    unsigned index = args.at(exec, 1).toUInt32(exec, indexOk);
    if (!indexOk) {
        setDOMException(exec, TYPE_MISMATCH_ERR);
        return jsUndefined();
    }

    ExceptionCode ec = 0;
    SVGPointListBase* listImp = impl();
    return finishSetter(exec, ec, context(), impl(),
        listImp->insertItemBefore(PODListItem::copy(toSVGPoint(args.at(exec, 0))), index, ec));
}

JSValuePtr JSSVGPointList::replaceItem(ExecState* exec, const ArgList& args)
{
    bool indexOk;
    unsigned index = args.at(exec, 1).toInt32(exec, indexOk);
    if (!indexOk) {
        setDOMException(exec, TYPE_MISMATCH_ERR);
        return jsUndefined();
    }

    ExceptionCode ec = 0;
    SVGPointListBase* listImp = impl();
    return finishSetter(exec, ec, context(), impl(),
        listImp->replaceItem(PODListItem::copy(toSVGPoint(args.at(exec, 0))), index, ec));
}

JSValuePtr JSSVGPointList::removeItem(ExecState* exec, const ArgList& args)
{
    bool indexOk;
    unsigned index = args.at(exec, 0).toInt32(exec, indexOk);
    if (!indexOk) {
        setDOMException(exec, TYPE_MISMATCH_ERR);
        return jsUndefined();
    }

    ExceptionCode ec = 0;
    SVGPointListBase* listImp = impl();
    return finishSetterReadOnlyResult(exec, ec, context(), impl(),
        listImp->removeItem(index, ec));
}

JSValuePtr JSSVGPointList::appendItem(ExecState* exec, const ArgList& args)
{
    ExceptionCode ec = 0;
    SVGPointListBase* listImp = impl();
    return finishSetter(exec, ec, context(), impl(),
        listImp->appendItem(PODListItem::copy(toSVGPoint(args.at(exec, 0))), ec));
}

}

#endif // ENABLE(SVG)