bool CServerItem::TryRemoveAll()
{
wxASSERT(!GetParent());
const int oldVisibleOffspring = m_visibleOffspring;
std::vector<CQueueItem*>::iterator iter;
std::vector<CQueueItem*> keepChildren;
m_visibleOffspring = 0;
for (iter = m_children.begin() + m_removed_at_front; iter != m_children.end(); ++iter) {
CQueueItem* pItem = *iter;
if (pItem->TryRemoveAll()) {
if (pItem->GetType() == QueueItemType::File || pItem->GetType() == QueueItemType::Folder) {
CFileItem* pFileItem = static_cast<CFileItem*>(pItem);
RemoveFileItemFromList(pFileItem, true);
}
delete pItem;
}
else {
keepChildren.push_back(pItem);
m_visibleOffspring++;
m_visibleOffspring += pItem->GetChildrenCount(true);
}
}
std::swap(m_children, keepChildren);
m_removed_at_front = 0;
m_maxCachedIndex = -1;
wxASSERT(oldVisibleOffspring >= m_visibleOffspring);
wxASSERT(m_visibleOffspring >= static_cast<int>(m_children.size()));
(void)oldVisibleOffspring;
return m_children.empty();
}
bool CServerItem::RemoveChild(CQueueItem* pItem, bool destroy /*=true*/)
{
if (!pItem)
return false;
if (pItem->GetType() == QueueItemType_File || pItem->GetType() == QueueItemType_Folder)
{
CFileItem* pFileItem = reinterpret_cast<CFileItem*>(pItem);
RemoveFileItemFromList(pFileItem);
}
return CQueueItem::RemoveChild(pItem, destroy);
}
bool CServerItem::RemoveChild(CQueueItem* pItem, bool destroy, bool forward)
{
if (!pItem)
return false;
if (pItem->GetType() == QueueItemType::File || pItem->GetType() == QueueItemType::Folder) {
CFileItem* pFileItem = static_cast<CFileItem*>(pItem);
RemoveFileItemFromList(pFileItem, forward);
}
bool removed = CQueueItem::RemoveChild(pItem, destroy, forward);
if (removed) {
m_maxCachedIndex = -1;
}
wxASSERT(m_visibleOffspring >= static_cast<int>(m_children.size()) - m_removed_at_front);
wxASSERT(((m_children.size() - m_removed_at_front) != 0) == (m_visibleOffspring != 0));
return removed;
}
bool CServerItem::TryRemoveAll()
{
const int oldVisibleOffspring = m_visibleOffspring;
std::vector<CQueueItem*>::iterator iter;
std::vector<CQueueItem*> keepChildren;
m_visibleOffspring = 0;
for (iter = m_children.begin() + m_removed_at_front; iter != m_children.end(); iter++)
{
CQueueItem* pItem = *iter;
if (pItem->TryRemoveAll())
{
if (pItem->GetType() == QueueItemType_File || pItem->GetType() == QueueItemType_Folder)
{
CFileItem* pFileItem = reinterpret_cast<CFileItem*>(pItem);
RemoveFileItemFromList(pFileItem);
}
delete pItem;
}
else
{
keepChildren.push_back(pItem);
m_visibleOffspring++;
m_visibleOffspring += pItem->GetChildrenCount(true);
}
}
m_children = keepChildren;
m_removed_at_front = 0;
CQueueItem* parent = GetParent();
while (parent)
{
parent->m_visibleOffspring -= oldVisibleOffspring - m_visibleOffspring;
parent = parent->GetParent();
}
return m_children.empty();
}
