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/*
* 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 "core/dom/Node.h"
#include "core/html/HTMLCollection.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.leakRef()))
{
}
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
{
Node* node = m_private->item(m_current);
if (node)
m_current++;
return WebNode(node);
}
WebNode WebNodeCollection::firstItem() const
{
m_current = 0;
return nextItem();
}
} // namespace WebKit
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