@Override
        public boolean areAllItemsEnabled() {
            return mAdapter.areAllItemsEnabled();
        }
As opposed to {@link ListView#getAdapter()}, which returns
a heavily wrapped ListAdapter (DragSortListView wraps the
input ListAdapter {\emph and} ListView wraps the wrapped one).

@return The ListAdapter set as the argument of {@link setAdapter()}
third_party/DragSortListView/src/com/mobeta/android/dslv/DragSortListView.java