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/*
* Copyright (c) 2012 Motorola Mobility, Inc. All rights reserved.
* Copyright (C) 2014 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 MOTOROLA MOBILITY, INC. AND ITS 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 MOTOROLA MOBILITY, INC. OR ITS
* 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 "RadioNodeList.h"
#include "HTMLFormElement.h"
#include "HTMLInputElement.h"
#include "HTMLNames.h"
#include "HTMLObjectElement.h"
#include "NodeRareData.h"
namespace WebCore {
using namespace HTMLNames;
RadioNodeList::RadioNodeList(ContainerNode& rootNode, const AtomicString& name)
: CachedLiveNodeList(rootNode, InvalidateForFormControls)
, m_name(name)
, m_isRootedAtDocument(is<HTMLFormElement>(ownerNode()))
{
}
RadioNodeList::~RadioNodeList()
{
ownerNode().nodeLists()->removeCacheWithAtomicName(this, m_name);
}
static inline HTMLInputElement* toRadioButtonInputElement(HTMLElement& element)
{
if (!is<HTMLInputElement>(element))
return nullptr;
auto& inputElement = downcast<HTMLInputElement>(element);
if (!inputElement.isRadioButton() || inputElement.value().isEmpty())
return nullptr;
return &inputElement;
}
String RadioNodeList::value() const
{
auto length = this->length();
for (unsigned i = 0; i < length; ++i) {
auto* inputElement = toRadioButtonInputElement(*item(i));
if (!inputElement || !inputElement->checked())
continue;
return inputElement->value();
}
return String();
}
void RadioNodeList::setValue(const String& value)
{
auto length = this->length();
for (unsigned i = 0; i < length; ++i) {
auto* inputElement = toRadioButtonInputElement(*item(i));
if (!inputElement || inputElement->value() != value)
continue;
inputElement->setChecked(true);
return;
}
}
bool RadioNodeList::checkElementMatchesRadioNodeListFilter(const Element& testElement) const
{
ASSERT(is<HTMLObjectElement>(testElement) || is<HTMLFormControlElement>(testElement));
if (is<HTMLFormElement>(ownerNode())) {
HTMLFormElement* formElement = nullptr;
if (testElement.hasTagName(objectTag))
formElement = downcast<HTMLObjectElement>(testElement).form();
else
formElement = downcast<HTMLFormControlElement>(testElement).form();
if (!formElement || formElement != &ownerNode())
return false;
}
return testElement.getIdAttribute() == m_name || testElement.getNameAttribute() == m_name;
}
bool RadioNodeList::elementMatches(Element& testElement) const
{
if (!is<HTMLObjectElement>(testElement) && !is<HTMLFormControlElement>(testElement))
return false;
if (is<HTMLInputElement>(testElement) && downcast<HTMLInputElement>(testElement).isImageButton())
return false;
return checkElementMatchesRadioNodeListFilter(testElement);
}
} // namspace
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