// Profiling note: About 30% of the time taken to initialize the
// listview is spent in this function. About 60% is spent in operator
// new and QListViewItem::QListViewItem.
void HeaderItem::irefresh()
{
KMHeaders *headers = static_cast<KMHeaders*>(listView());
NestingPolicy threadingPolicy = headers->getNestingPolicy();
if ((threadingPolicy == AlwaysOpen) ||
(threadingPolicy == DefaultOpen)) {
//Avoid opening items as QListView is currently slow to do so.
setOpen(true);
return;
}
if (threadingPolicy == DefaultClosed)
return; //default to closed
// otherwise threadingPolicy == OpenUnread
if (parent() && parent()->isOpen()) {
setOpen(true);
return;
}
KMMsgBase *mMsgBase = headers->folder()->getMsgBase( mMsgId );
mSerNum = mMsgBase->getMsgSerNum();
if (mMsgBase->isNew() || mMsgBase->isUnread()
|| mMsgBase->isImportant() || mMsgBase->isTodo() || mMsgBase->isWatched() ) {
setOpen(true);
HeaderItem * topOfThread = this;
while(topOfThread->parent())
topOfThread = (HeaderItem*)topOfThread->parent();
topOfThread->setOpenRecursive(true);
}
}
QModelIndex HtModelPrototype::parent(const QModelIndex &child) const
{
if (!child.isValid())
return QModelIndex();
HeaderItem *childItem = static_cast<HeaderItem*>(child.internalPointer());
HeaderItem *parentItem = childItem->parent();
if (parentItem==0 ||
parentItem == m_rootItem)
return QModelIndex();
HeaderItem * superParent=parentItem->parent();
if(superParent)
{
return createIndex(superParent->childs().indexOf(parentItem),
0, parentItem);
}
return createIndex(0,
0, parentItem);
}