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package de.danoeh.antennapod.fragment;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.GridView;
import java.util.ArrayList;
import java.util.List;
import de.danoeh.antennapod.R;
import de.danoeh.antennapod.activity.MainActivity;
import de.danoeh.antennapod.adapter.NavListAdapter;
import de.danoeh.antennapod.adapter.SubscriptionsAdapter;
import de.danoeh.antennapod.core.feed.EventDistributor;
import de.danoeh.antennapod.core.feed.Feed;
import de.danoeh.antennapod.core.storage.DBReader;
import de.greenrobot.event.EventBus;
import rx.Observable;
import rx.functions.Action1;
/**
* Fragment for displaying feed subscriptions
*/
public class SubscriptionFragment extends Fragment {
public static final String TAG = "SubscriptionFragment";
private GridView mSubscriptionGridLayout;
private DBReader.NavDrawerData mDrawerData;
private SubscriptionsAdapter mSubscriptionAdapter;
private NavListAdapter.ItemAccess mItemAccess;
private List<Feed> mSubscriptionList = new ArrayList<>();
public SubscriptionFragment() {
}
public void setItemAccess(NavListAdapter.ItemAccess itemAccess) {
mItemAccess = itemAccess;
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setRetainInstance(true);
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View root = inflater.inflate(R.layout.fragment_subscriptions, container, false);
mSubscriptionGridLayout = (GridView) root.findViewById(R.id.subscriptions_grid);
return root;
}
@Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
mSubscriptionAdapter = new SubscriptionsAdapter(getActivity(), mItemAccess);
mSubscriptionGridLayout.setAdapter(mSubscriptionAdapter);
refreshSubscriptionList();
mSubscriptionGridLayout.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
EventBus.getDefault().post(new SubscriptionEvent(mSubscriptionList.get(position)));
}
});
if (getActivity() instanceof MainActivity) {
((MainActivity) getActivity()).getSupportActionBar().setTitle(R.string.my_subscriptions);
}
}
private void refreshSubscriptionList() {
Observable.just(loadData()).subscribe(new Action1<DBReader.NavDrawerData>() {
@Override
public void call(DBReader.NavDrawerData navDrawerData) {
mDrawerData = navDrawerData;
mSubscriptionList = mDrawerData.feeds;
mSubscriptionAdapter.setItemAccess(mItemAccess);
mSubscriptionAdapter.notifyDataSetChanged();
}
});
}
EventDistributor.EventListener updateListener = new EventDistributor.EventListener() {
@Override
public void update(EventDistributor eventDistributor, Integer arg) {
if ((arg & EventDistributor.FEED_LIST_UPDATE) != 0) {
refreshSubscriptionList();
}
}
};
@Override
public void onStop() {
super.onStop();
EventDistributor.getInstance().unregister(updateListener);
}
@Override
public void onResume() {
super.onResume();
EventDistributor.getInstance().register(updateListener);
}
public class SubscriptionEvent {
public final Feed feed;
SubscriptionEvent(Feed f) {
feed = f;
}
}
private DBReader.NavDrawerData loadData() {
return DBReader.getNavDrawerData(getActivity());
}
}
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