bool
BNavMenu::StartBuildingItemList()
{
BEntry entry;
if (fNavDir.device < 0 || entry.SetTo(&fNavDir) != B_OK
|| !entry.Exists())
return false;
fItemList = new BObjectList<BMenuItem>(50);
fIteratingDesktop = false;
BDirectory parent;
status_t status = entry.GetParent(&parent);
// if ref is the root item then build list of volume root dirs
fFlags = uint8((fFlags & ~kVolumesOnly) | (status == B_ENTRY_NOT_FOUND ? kVolumesOnly : 0));
if (fFlags & kVolumesOnly)
return true;
Model startModel(&entry, true);
if (startModel.InitCheck() != B_OK || !startModel.IsContainer())
return false;
if (startModel.IsQuery())
fContainer = new QueryEntryListCollection(&startModel);
else if (FSIsDeskDir(&entry)) {
fIteratingDesktop = true;
fContainer = DesktopPoseView::InitDesktopDirentIterator(0, startModel.EntryRef());
AddRootItemsIfNeeded();
} else if (FSIsTrashDir(&entry)) {
// the trash window needs to display a union of all the
// trash folders from all the mounted volumes
BVolumeRoster volRoster;
volRoster.Rewind();
BVolume volume;
fContainer = new EntryIteratorList();
while (volRoster.GetNextVolume(&volume) == B_OK) {
if (!volume.IsPersistent())
continue;
BDirectory trashDir;
if (FSGetTrashDir(&trashDir, volume.Device()) == B_OK)
dynamic_cast<EntryIteratorList *>(fContainer)->
AddItem(new DirectoryEntryList(trashDir));
}
} else
fContainer = new DirectoryEntryList(*dynamic_cast<BDirectory *>
(startModel.Node()));
if (fContainer == NULL || fContainer->InitCheck() != B_OK)
return false;
fContainer->Rewind();
return true;
}
bool
BSlowContextMenu::StartBuildingItemList()
{
// return false when done building
BEntry entry;
if (fNavDir.device < 0 || entry.SetTo(&fNavDir) != B_OK
|| !entry.Exists()) {
return false;
}
fIteratingDesktop = false;
BDirectory parent;
status_t err = entry.GetParent(&parent);
fItemList = new BObjectList<BMenuItem>(50);
// if ref is the root item then build list of volume root dirs
fVolsOnly = (err == B_ENTRY_NOT_FOUND);
if (fVolsOnly)
return true;
Model startModel(&entry, true);
if (startModel.InitCheck() == B_OK) {
if (!startModel.IsContainer())
return false;
if (startModel.IsQuery())
fContainer = new QueryEntryListCollection(&startModel);
else if (startModel.IsVirtualDirectory())
fContainer = new VirtualDirectoryEntryList(&startModel);
else if (startModel.IsDesktop()) {
fIteratingDesktop = true;
fContainer = DesktopPoseView::InitDesktopDirentIterator(0,
startModel.EntryRef());
AddRootItemsIfNeeded();
AddTrashItem();
} else {
BDirectory* directory = dynamic_cast<BDirectory*>(
startModel.Node());
ASSERT(directory != NULL);
if (directory != NULL)
fContainer = new DirectoryEntryList(*directory);
}
if (fContainer->InitCheck() != B_OK)
return false;
fContainer->Rewind();
}
return true;
}
