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package de.danoeh.antennapod.fragment;
import android.content.Intent;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.util.DisplayMetrics;
import androidx.fragment.app.Fragment;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.Button;
import android.widget.GridView;
import android.widget.LinearLayout;
import android.widget.ProgressBar;
import android.widget.TextView;
import org.greenrobot.eventbus.EventBus;
import org.greenrobot.eventbus.Subscribe;
import org.greenrobot.eventbus.ThreadMode;
import de.danoeh.antennapod.R;
import de.danoeh.antennapod.activity.MainActivity;
import de.danoeh.antennapod.activity.OnlineFeedViewActivity;
import de.danoeh.antennapod.adapter.FeedDiscoverAdapter;
import de.danoeh.antennapod.event.DiscoveryDefaultUpdateEvent;
import de.danoeh.antennapod.discovery.ItunesTopListLoader;
import de.danoeh.antennapod.discovery.PodcastSearchResult;
import io.reactivex.disposables.Disposable;
import java.util.ArrayList;
import java.util.List;
import java.util.Locale;
import static android.content.Context.MODE_PRIVATE;
public class QuickFeedDiscoveryFragment extends Fragment implements AdapterView.OnItemClickListener {
private static final String TAG = "FeedDiscoveryFragment";
private static final int NUM_SUGGESTIONS = 12;
private ProgressBar progressBar;
private Disposable disposable;
private FeedDiscoverAdapter adapter;
private GridView discoverGridLayout;
private TextView errorTextView;
private TextView poweredByTextView;
private LinearLayout errorView;
private Button errorRetry;
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
super.onCreateView(inflater, container, savedInstanceState);
View root = inflater.inflate(R.layout.quick_feed_discovery, container, false);
View discoverMore = root.findViewById(R.id.discover_more);
discoverMore.setOnClickListener(v ->
((MainActivity) getActivity()).loadChildFragment(new DiscoveryFragment()));
discoverGridLayout = root.findViewById(R.id.discover_grid);
progressBar = root.findViewById(R.id.discover_progress_bar);
errorView = root.findViewById(R.id.discover_error);
errorTextView = root.findViewById(R.id.discover_error_txtV);
errorRetry = root.findViewById(R.id.discover_error_retry_btn);
errorRetry.setOnClickListener((listener) -> loadToplist());
poweredByTextView = root.findViewById(R.id.discover_powered_by_itunes);
adapter = new FeedDiscoverAdapter((MainActivity) getActivity());
discoverGridLayout.setAdapter(adapter);
discoverGridLayout.setOnItemClickListener(this);
DisplayMetrics displayMetrics = getContext().getResources().getDisplayMetrics();
float screenWidthDp = displayMetrics.widthPixels / displayMetrics.density;
if (screenWidthDp > 600) {
discoverGridLayout.setNumColumns(6);
} else {
discoverGridLayout.setNumColumns(4);
}
// Fill with dummy elements to have a fixed height and
// prevent the UI elements below from jumping on slow connections
List<PodcastSearchResult> dummies = new ArrayList<>();
for (int i = 0; i < NUM_SUGGESTIONS; i++) {
dummies.add(PodcastSearchResult.dummy());
}
adapter.updateData(dummies);
loadToplist();
EventBus.getDefault().register(this);
return root;
}
@Override
public void onDestroy() {
super.onDestroy();
EventBus.getDefault().unregister(this);
if (disposable != null) {
disposable.dispose();
}
}
@Subscribe(threadMode = ThreadMode.MAIN)
@SuppressWarnings("unused")
public void onDiscoveryDefaultUpdateEvent(DiscoveryDefaultUpdateEvent event) {
loadToplist();
}
private void loadToplist() {
progressBar.setVisibility(View.VISIBLE);
discoverGridLayout.setVisibility(View.INVISIBLE);
errorView.setVisibility(View.GONE);
errorRetry.setVisibility(View.INVISIBLE);
poweredByTextView.setVisibility(View.VISIBLE);
ItunesTopListLoader loader = new ItunesTopListLoader(getContext());
SharedPreferences prefs = getActivity().getSharedPreferences(ItunesTopListLoader.PREFS, MODE_PRIVATE);
String countryCode = prefs.getString(ItunesTopListLoader.PREF_KEY_COUNTRY_CODE,
Locale.getDefault().getCountry());
if (countryCode.equals(ItunesTopListLoader.DISCOVER_HIDE_FAKE_COUNTRY_CODE)) {
errorTextView.setText(String.format(getResources().getString(R.string.discover_is_hidden),
getResources().getString(R.string.discover_hide)));
errorView.setVisibility(View.VISIBLE);
progressBar.setVisibility(View.GONE);
discoverGridLayout.setVisibility(View.INVISIBLE);
errorRetry.setVisibility(View.INVISIBLE);
poweredByTextView.setVisibility(View.INVISIBLE);
return;
}
disposable = loader.loadToplist(countryCode, NUM_SUGGESTIONS)
.subscribe(
podcasts -> {
errorView.setVisibility(View.GONE);
progressBar.setVisibility(View.GONE);
discoverGridLayout.setVisibility(View.VISIBLE);
if (podcasts.size() == 0) {
errorTextView.setText(getResources().getText(R.string.search_status_no_results));
errorView.setVisibility(View.VISIBLE);
discoverGridLayout.setVisibility(View.INVISIBLE);
} else {
adapter.updateData(podcasts);
}
}, error -> {
Log.e(TAG, Log.getStackTraceString(error));
errorTextView.setText(error.getLocalizedMessage());
errorView.setVisibility(View.VISIBLE);
progressBar.setVisibility(View.GONE);
discoverGridLayout.setVisibility(View.INVISIBLE);
errorRetry.setVisibility(View.VISIBLE);
});
}
@Override
public void onItemClick(AdapterView<?> parent, final View view, int position, long id) {
PodcastSearchResult podcast = adapter.getItem(position);
if (podcast.feedUrl == null) {
return;
}
Intent intent = new Intent(getActivity(), OnlineFeedViewActivity.class);
intent.putExtra(OnlineFeedViewActivity.ARG_FEEDURL, podcast.feedUrl);
startActivity(intent);
}
}
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