public void reloadFromArguments(Bundle arguments) {
// Teardown from previous arguments
if (mListPopupWindow != null) {
mListPopupWindow.setAdapter(null);
}
if (mCursor != null) {
getActivity().stopManagingCursor(mCursor);
mCursor = null;
}
mHandler.cancelOperation(TracksAdapter.TracksQuery._TOKEN);
// Load new arguments
final Intent intent = BaseActivity.fragmentArgumentsToIntent(arguments);
final Uri tracksUri = intent.getData();
if (tracksUri == null) {
return;
}
mNextType = intent.getStringExtra(EXTRA_NEXT_TYPE);
// Filter our tracks query to only include those with valid results
String[] projection = TracksAdapter.TracksQuery.PROJECTION;
String selection = null;
if (TracksFragment.NEXT_TYPE_SESSIONS.equals(mNextType)) {
// Only show tracks with at least one session
projection = TracksAdapter.TracksQuery.PROJECTION_WITH_SESSIONS_COUNT;
selection = ScheduleContract.Tracks.SESSIONS_COUNT + ">0";
} else if (TracksFragment.NEXT_TYPE_VENDORS.equals(mNextType)) {
// Only show tracks with at least one vendor
projection = TracksAdapter.TracksQuery.PROJECTION_WITH_VENDORS_COUNT;
selection = ScheduleContract.Tracks.VENDORS_COUNT + ">0";
}
// Start background query to load tracks
mHandler.startQuery(
TracksAdapter.TracksQuery._TOKEN,
null,
tracksUri,
projection,
selection,
null,
ScheduleContract.Tracks.DEFAULT_SORT);
}