#include "config.h"
#include "RadioNodeList.h"
#include "Element.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(Node* node)
{
ASSERT(node->isElementNode());
HTMLInputElement* inputElement = node->toInputElement();
if (!inputElement || !inputElement->isRadioButton() || inputElement->value().isEmpty())
return 0;
return inputElement;
}
String RadioNodeList::value() const
{
for (unsigned i = 0; i < length(); ++i) {
Node* node = item(i);
const HTMLInputElement* inputElement = toRadioButtonInputElement(node);
if (!inputElement || !inputElement->checked())
continue;
return inputElement->value();
}
return String();
}
void RadioNodeList::setValue(const String& value)
{
for (unsigned i = 0; i < length(); ++i) {
Node* node = item(i);
HTMLInputElement* inputElement = toRadioButtonInputElement(node);
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 (HTMLInputElement* inputElement = testElement.toInputElement()) {
if (inputElement->isImageButton())
return false;
}
return checkElementMatchesRadioNodeListFilter(testElement);
}
}