Node* HTMLCollection::nextNamedItem(const AtomicString& name) const
{
resetCollectionInfo();
m_info->checkConsistency();
for (Element* e = itemAfter(m_info->current); e; e = itemAfter(e)) {
if (checkForNameMatch(e, m_idsDone, name)) {
m_info->current = e;
return e;
}
}
if (m_idsDone) {
m_info->current = 0;
return 0;
}
m_idsDone = true;
for (Element* e = itemAfter(m_info->current); e; e = itemAfter(e)) {
if (checkForNameMatch(e, m_idsDone, name)) {
m_info->current = e;
return e;
}
}
return 0;
}
Node* HTMLCollection::namedItem(const AtomicString& name) const
{
// http://msdn.microsoft.com/workshop/author/dhtml/reference/methods/nameditem.asp
// This method first searches for an object with a matching id
// attribute. If a match is not found, the method then searches for an
// object with a matching name attribute, but only on those elements
// that are allowed a name attribute.
resetCollectionInfo();
m_idsDone = false;
for (Element* e = itemAfter(0); e; e = itemAfter(e)) {
if (checkForNameMatch(e, m_idsDone, name)) {
m_info->current = e;
return e;
}
}
m_idsDone = true;
for (Element* e = itemAfter(0); e; e = itemAfter(e)) {
if (checkForNameMatch(e, m_idsDone, name)) {
m_info->current = e;
return e;
}
}
m_info->current = 0;
return 0;
}
unsigned HTMLCollection::calcLength() const
{
unsigned len = 0;
for (Element* current = itemAfter(0); current; current = itemAfter(current))
++len;
return len;
}
void PlaylistWindow::activateNext()
{
auto qdp = currentPlaylistWidget();
auto now = qdp->nowPlayingItem();
auto pl = PlaylistCollection::getSingleton()->playlistOf(qdp->uuid());
auto next = pl->itemAfter(now);
if (!!next)
activateItem(qdp->uuid(), next->uuid());
}
Node* HTMLCollection::nextItem() const
{
resetCollectionInfo();
// Look for the 'second' item. The first one is currentItem, already given back.
Element* retval = itemAfter(m_info->current);
m_info->current = retval;
m_info->position++;
return retval;
}
Node* HTMLCollection::item(unsigned index) const
{
resetCollectionInfo();
if (m_info->current && m_info->position == index)
return m_info->current;
if (m_info->hasLength && m_info->length <= index)
return 0;
if (!m_info->current || m_info->position > index) {
m_info->current = itemAfter(0);
m_info->position = 0;
if (!m_info->current)
return 0;
}
Element* e = m_info->current;
for (unsigned pos = m_info->position; e && pos < index; pos++)
e = itemAfter(e);
m_info->current = e;
m_info->position = index;
return m_info->current;
}
QUuid PlaylistWindow::getItemAfter(QUuid list, QUuid item)
{
auto pl = PlaylistCollection::getSingleton()->playlistOf(list);
if (!pl)
return QUuid();
QUuid uuid = pl->queueTakeFirst();
if (!uuid.isNull())
return uuid;
QSharedPointer<Item> after = pl->itemAfter(item);
if (!after)
return QUuid();
return after->uuid();
}
void HTMLCollection::updateNameCache() const
{
if (m_info->hasNameCache)
return;
for (Element* element = itemAfter(0); element; element = itemAfter(element)) {
if (!element->isHTMLElement())
continue;
HTMLElement* e = toHTMLElement(element);
const AtomicString& idAttrVal = e->getIdAttribute();
const AtomicString& nameAttrVal = e->getAttribute(nameAttr);
if (!idAttrVal.isEmpty()) {
// add to id cache
Vector<Element*>* idVector = m_info->idCache.get(idAttrVal.impl());
if (!idVector) {
idVector = new Vector<Element*>;
m_info->idCache.add(idAttrVal.impl(), idVector);
}
idVector->append(e);
}
if (!nameAttrVal.isEmpty() && idAttrVal != nameAttrVal
&& (m_type != DocAll ||
(e->hasLocalName(imgTag) || e->hasLocalName(formTag) ||
e->hasLocalName(appletTag) || e->hasLocalName(objectTag) ||
e->hasLocalName(embedTag) || e->hasLocalName(inputTag) ||
e->hasLocalName(selectTag)))) {
// add to name cache
Vector<Element*>* nameVector = m_info->nameCache.get(nameAttrVal.impl());
if (!nameVector) {
nameVector = new Vector<Element*>;
m_info->nameCache.add(nameAttrVal.impl(), nameVector);
}
nameVector->append(e);
}
}
m_info->hasNameCache = true;
}
