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/*
* Copyright (C) 2009 Apple 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:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``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 APPLE INC. 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 "HTMLAllCollection.h"
#include "Element.h"
#include "Node.h"
namespace WebCore {
PassRefPtr<HTMLAllCollection> HTMLAllCollection::create(PassRefPtr<Node> base, CollectionType type)
{
return adoptRef(new HTMLAllCollection(base, type));
}
HTMLAllCollection::HTMLAllCollection(PassRefPtr<Node> base, CollectionType type)
: HTMLCollection(base, type)
{
}
HTMLAllCollection::~HTMLAllCollection()
{
}
Element* HTMLAllCollection::itemAfter(Element* previous) const
{
bool includeChildren = (type() == DocAll);
Node* current;
Node* root = base();
if (!previous)
current = root->firstChild();
else
current = includeChildren ? previous->traverseNextNode(root) : previous->traverseNextSibling(root);
if (includeChildren) {
Node * lastDecendant = info()->lastDecendantOfBase;
if (!lastDecendant) {
info()->lastDecendantOfBase = root->lastDescendantNode();
lastDecendant = info()->lastDecendantOfBase;
}
for (; current; current = current->traverseNextNodeFastPath()) {
if (current->isElementNode())
return static_cast<Element*>(current);
if (current == lastDecendant)
break;
}
} else {
for (; current; current = current->traverseNextSibling(root)) {
if (current->isElementNode())
return static_cast<Element*>(current);
}
}
return 0;
}
} // namespace WebCore
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