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/*
* Copyright (c) 2012 Motorola Mobility, Inc. All rights reserved.
* Copyright (C) 2014-2020 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 "HTMLObjectElement.h"
#include "LiveNodeListInlines.h"
#include "NodeRareData.h"
#include <wtf/TZoneMallocInlines.h>
namespace WebCore {
using namespace HTMLNames;
WTF_MAKE_TZONE_OR_ISO_ALLOCATED_IMPL(RadioNodeList);
RadioNodeList::RadioNodeList(ContainerNode& rootNode, const AtomString& name)
: CachedLiveNodeList(rootNode, NodeListInvalidationType::InvalidateForFormControls)
, m_name(name)
, m_isRootedAtTreeScope(is<HTMLFormElement>(rootNode))
{
}
Ref<RadioNodeList> RadioNodeList::create(ContainerNode& rootNode, const AtomString& name)
{
return adoptRef(*new RadioNodeList(rootNode, name));
}
RadioNodeList::~RadioNodeList()
{
ownerNode().nodeLists()->removeCacheWithAtomName(*this, m_name);
}
static RefPtr<HTMLInputElement> nonEmptyRadioButton(Node& node)
{
auto* inputElement = dynamicDowncast<HTMLInputElement>(node);
if (!inputElement)
return nullptr;
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) {
if (auto button = nonEmptyRadioButton(*item(i))) {
if (button->checked())
return button->value();
}
}
return String();
}
void RadioNodeList::setValue(const String& value)
{
auto length = this->length();
for (unsigned i = 0; i < length; ++i) {
if (auto button = nonEmptyRadioButton(*item(i))) {
if (button->value() == value) {
button->setChecked(true);
return;
}
}
}
}
bool RadioNodeList::elementMatches(Element& element) const
{
if (!element.isFormListedElement())
return false;
if (auto* input = dynamicDowncast<HTMLInputElement>(element); input && input->isImageButton())
return false;
if (is<HTMLFormElement>(ownerNode())) {
RefPtr form = element.asFormListedElement()->form();
if (form != &ownerNode())
return false;
}
return element.getIdAttribute() == m_name || element.getNameAttribute() == m_name;
}
} // namespace WebCore
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