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SVGElementInstanceList.cpp

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00001 /*
00002     Copyright (C) 2007 Nikolas Zimmermann <zimmermann@kde.org>
00003 
00004     This file is part of the KDE project
00005 
00006     This library is free software; you can redistribute it and/or
00007     modify it under the terms of the GNU Library General Public
00008     License as published by the Free Software Foundation; either
00009     version 2 of the License, or (at your option) any later version.
00010 
00011     This library is distributed in the hope that it will be useful,
00012     but WITHOUT ANY WARRANTY; without even the implied warranty of
00013     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00014     Library General Public License for more details.
00015 
00016     You should have received a copy of the GNU Library General Public License
00017     along with this library; see the file COPYING.LIB.  If not, write to
00018     the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00019     Boston, MA 02110-1301, USA.
00020 */
00021 
00022 #include "config.h"
00023 #include "wtf/Platform.h"
00024 
00025 #if ENABLE(SVG)
00026 #include "SVGElementInstanceList.h"
00027 
00028 namespace WebCore {
00029 
00030 SVGElementInstanceList::SVGElementInstanceList(PassRefPtr<SVGElementInstance> rootInstance)
00031     : m_rootInstance(rootInstance)
00032 {
00033 }
00034 
00035 SVGElementInstanceList::~SVGElementInstanceList()
00036 {
00037 }
00038 
00039 unsigned int SVGElementInstanceList::length() const
00040 {
00041     // NOTE: We could use the same caching facilities, "ChildNodeList" uses.
00042     unsigned length = 0;
00043     SVGElementInstance* instance;
00044     for (instance = m_rootInstance->firstChild(); instance; instance = instance->nextSibling())
00045         length++;
00046 
00047     return length;
00048 }
00049 
00050 RefPtr<SVGElementInstance> SVGElementInstanceList::item(unsigned int index)
00051 {
00052     unsigned int pos = 0;
00053     SVGElementInstance* instance = m_rootInstance->firstChild();
00054 
00055     while (instance && pos < index) {
00056         instance = instance->nextSibling();
00057         pos++;
00058     }
00059 
00060     return instance;
00061 }
00062 
00063 }
00064 
00065 #endif // ENABLE(SVG)
00066 
00067 // vim:ts=4:noet

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