status_t
Directory::AddPackageNode(PackageNode* packageNode)
{
if (!S_ISDIR(packageNode->Mode()))
return B_BAD_VALUE;
PackageDirectory* packageDirectory
= dynamic_cast<PackageDirectory*>(packageNode);
PackageDirectory* other = fPackageDirectories.Head();
bool isNewest = other == NULL
|| packageDirectory->ModifiedTime() > other->ModifiedTime();
if (isNewest)
fPackageDirectories.Insert(other, packageDirectory);
else
fPackageDirectories.Add(packageDirectory);
return B_OK;
}
void
Directory::RemovePackageNode(PackageNode* packageNode)
{
bool isNewest = packageNode == fPackageDirectories.Head();
fPackageDirectories.Remove(dynamic_cast<PackageDirectory*>(packageNode));
// when removing the newest node, we need to find the next node (the list
// is not sorted)
PackageDirectory* newestNode = fPackageDirectories.Head();
if (isNewest && newestNode != NULL) {
PackageDirectoryList::Iterator it = fPackageDirectories.GetIterator();
it.Next();
// skip the first one
while (PackageDirectory* otherNode = it.Next()) {
if (otherNode->ModifiedTime() > newestNode->ModifiedTime())
newestNode = otherNode;
}
fPackageDirectories.Remove(newestNode);
fPackageDirectories.Insert(fPackageDirectories.Head(), newestNode);
}
}