private synchronized void deliverModel() {
if (prefs != null && contents != null) {
((EmPubLiteActivity) getActivity()).setupPager(prefs, contents);
} else {
if (prefs == null && prefsTask == null) {
prefsTask = new PrefsLoadTask();
executeAsyncTask(prefsTask, getActivity().getApplicationContext());
} else if (contents == null && contentsTask == null) {
updateBook();
}
}
}
void updateBook() {
contentsTask = new ContentsLoadTask();
executeAsyncTask(contentsTask, getActivity().getApplicationContext());
}
