private void toggleSelection(int position) {
LibraryFragment f = getLibraryFragment();
adapter.toggleSelection(position, false);
f.getPresenter().setSelection(adapter.getItem(position), adapter.isSelected(position));
int count = f.getPresenter().selectedMangas.size();
if (count == 0) {
f.destroyActionModeIfNeeded();
} else {
f.setContextTitle(count);
f.invalidateActionMode();
}
}