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package de.danoeh.antennapod.fragment;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.GridView;
import android.widget.ProgressBar;
import android.widget.TextView;
import androidx.annotation.NonNull;
import androidx.appcompat.widget.Toolbar;
import androidx.fragment.app.Fragment;
import com.google.android.material.appbar.MaterialToolbar;
import com.google.android.material.dialog.MaterialAlertDialogBuilder;
import com.google.android.material.textfield.MaterialAutoCompleteTextView;
import com.google.android.material.textfield.TextInputLayout;
import de.danoeh.antennapod.R;
import de.danoeh.antennapod.activity.OnlineFeedViewActivity;
import de.danoeh.antennapod.adapter.itunes.ItunesAdapter;
import de.danoeh.antennapod.core.BuildConfig;
import de.danoeh.antennapod.core.storage.DBReader;
import de.danoeh.antennapod.event.DiscoveryDefaultUpdateEvent;
import de.danoeh.antennapod.net.discovery.ItunesTopListLoader;
import de.danoeh.antennapod.net.discovery.PodcastSearchResult;
import io.reactivex.Observable;
import io.reactivex.android.schedulers.AndroidSchedulers;
import io.reactivex.disposables.Disposable;
import io.reactivex.schedulers.Schedulers;
import org.greenrobot.eventbus.EventBus;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Locale;
import java.util.Map;
/**
* Searches iTunes store for top podcasts and displays results in a list.
*/
public class DiscoveryFragment extends Fragment implements Toolbar.OnMenuItemClickListener {
private static final String TAG = "ItunesSearchFragment";
private static final int NUM_OF_TOP_PODCASTS = 25;
private SharedPreferences prefs;
/**
* Adapter responsible with the search results.
*/
private ItunesAdapter adapter;
private GridView gridView;
private ProgressBar progressBar;
private TextView txtvError;
private Button butRetry;
private TextView txtvEmpty;
/**
* List of podcasts retreived from the search.
*/
private List<PodcastSearchResult> searchResults;
private List<PodcastSearchResult> topList;
private Disposable disposable;
private String countryCode = "US";
private boolean hidden;
private boolean needsConfirm;
private MaterialToolbar toolbar;
public DiscoveryFragment() {
// Required empty public constructor
}
/**
* Replace adapter data with provided search results from SearchTask.
*
* @param result List of Podcast objects containing search results
*/
private void updateData(List<PodcastSearchResult> result) {
this.searchResults = result;
adapter.clear();
if (result != null && result.size() > 0) {
gridView.setVisibility(View.VISIBLE);
txtvEmpty.setVisibility(View.GONE);
for (PodcastSearchResult p : result) {
adapter.add(p);
}
adapter.notifyDataSetInvalidated();
} else {
gridView.setVisibility(View.GONE);
txtvEmpty.setVisibility(View.VISIBLE);
}
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
prefs = getActivity().getSharedPreferences(ItunesTopListLoader.PREFS, Context.MODE_PRIVATE);
countryCode = prefs.getString(ItunesTopListLoader.PREF_KEY_COUNTRY_CODE, Locale.getDefault().getCountry());
hidden = prefs.getBoolean(ItunesTopListLoader.PREF_KEY_HIDDEN_DISCOVERY_COUNTRY, false);
needsConfirm = prefs.getBoolean(ItunesTopListLoader.PREF_KEY_NEEDS_CONFIRM, true);
}
@Override
public View onCreateView(@NonNull LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
// Inflate the layout for this fragment
View root = inflater.inflate(R.layout.fragment_itunes_search, container, false);
gridView = root.findViewById(R.id.gridView);
adapter = new ItunesAdapter(getActivity(), new ArrayList<>());
gridView.setAdapter(adapter);
toolbar = root.findViewById(R.id.toolbar);
toolbar.setNavigationOnClickListener(v -> getParentFragmentManager().popBackStack());
toolbar.inflateMenu(R.menu.countries_menu);
MenuItem discoverHideItem = toolbar.getMenu().findItem(R.id.discover_hide_item);
discoverHideItem.setChecked(hidden);
toolbar.setOnMenuItemClickListener(this);
//Show information about the podcast when the list item is clicked
gridView.setOnItemClickListener((parent, view1, position, id) -> {
PodcastSearchResult podcast = searchResults.get(position);
if (podcast.feedUrl == null) {
return;
}
Intent intent = new Intent(getActivity(), OnlineFeedViewActivity.class);
intent.putExtra(OnlineFeedViewActivity.ARG_FEEDURL, podcast.feedUrl);
startActivity(intent);
});
progressBar = root.findViewById(R.id.progressBar);
txtvError = root.findViewById(R.id.txtvError);
butRetry = root.findViewById(R.id.butRetry);
txtvEmpty = root.findViewById(android.R.id.empty);
loadToplist(countryCode);
return root;
}
@Override
public void onDestroy() {
super.onDestroy();
if (disposable != null) {
disposable.dispose();
}
adapter = null;
}
private void loadToplist(String country) {
if (disposable != null) {
disposable.dispose();
}
gridView.setVisibility(View.GONE);
txtvError.setVisibility(View.GONE);
butRetry.setVisibility(View.GONE);
butRetry.setText(R.string.retry_label);
txtvEmpty.setVisibility(View.GONE);
progressBar.setVisibility(View.VISIBLE);
if (hidden) {
gridView.setVisibility(View.GONE);
txtvError.setVisibility(View.VISIBLE);
txtvError.setText(getResources().getString(R.string.discover_is_hidden));
butRetry.setVisibility(View.GONE);
txtvEmpty.setVisibility(View.GONE);
progressBar.setVisibility(View.GONE);
return;
}
//noinspection ConstantConditions
if (BuildConfig.FLAVOR.equals("free") && needsConfirm) {
txtvError.setVisibility(View.VISIBLE);
txtvError.setText("");
butRetry.setVisibility(View.VISIBLE);
butRetry.setText(R.string.discover_confirm);
butRetry.setOnClickListener(v -> {
prefs.edit().putBoolean(ItunesTopListLoader.PREF_KEY_NEEDS_CONFIRM, false).apply();
needsConfirm = false;
loadToplist(country);
});
txtvEmpty.setVisibility(View.GONE);
progressBar.setVisibility(View.GONE);
return;
}
ItunesTopListLoader loader = new ItunesTopListLoader(getContext());
disposable = Observable.fromCallable(() ->
loader.loadToplist(country, NUM_OF_TOP_PODCASTS, DBReader.getFeedList()))
.subscribeOn(Schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.subscribe(
podcasts -> {
progressBar.setVisibility(View.GONE);
topList = podcasts;
updateData(topList);
}, error -> {
Log.e(TAG, Log.getStackTraceString(error));
progressBar.setVisibility(View.GONE);
txtvError.setText(error.getMessage());
txtvError.setVisibility(View.VISIBLE);
butRetry.setOnClickListener(v -> loadToplist(country));
butRetry.setVisibility(View.VISIBLE);
});
}
@Override
public boolean onMenuItemClick(MenuItem item) {
if (super.onOptionsItemSelected(item)) {
return true;
}
final int itemId = item.getItemId();
if (itemId == R.id.discover_hide_item) {
item.setChecked(!item.isChecked());
hidden = item.isChecked();
prefs.edit().putBoolean(ItunesTopListLoader.PREF_KEY_HIDDEN_DISCOVERY_COUNTRY, hidden).apply();
EventBus.getDefault().post(new DiscoveryDefaultUpdateEvent());
loadToplist(countryCode);
return true;
} else if (itemId == R.id.discover_countries_item) {
LayoutInflater inflater = getLayoutInflater();
View selectCountryDialogView = inflater.inflate(R.layout.select_country_dialog, null);
MaterialAlertDialogBuilder builder = new MaterialAlertDialogBuilder(getContext());
builder.setView(selectCountryDialogView);
List<String> countryCodeArray = new ArrayList<>(Arrays.asList(Locale.getISOCountries()));
Map<String, String> countryCodeNames = new HashMap<>();
Map<String, String> countryNameCodes = new HashMap<>();
for (String code : countryCodeArray) {
Locale locale = new Locale("", code);
String countryName = locale.getDisplayCountry();
countryCodeNames.put(code, countryName);
countryNameCodes.put(countryName, code);
}
List<String> countryNamesSort = new ArrayList<>(countryCodeNames.values());
Collections.sort(countryNamesSort);
ArrayAdapter<String> dataAdapter =
new ArrayAdapter<>(this.getContext(), android.R.layout.simple_list_item_1, countryNamesSort);
TextInputLayout textInput = selectCountryDialogView.findViewById(R.id.country_text_input);
MaterialAutoCompleteTextView editText = (MaterialAutoCompleteTextView) textInput.getEditText();
editText.setAdapter(dataAdapter);
editText.setText(countryCodeNames.get(countryCode));
editText.setOnClickListener(view -> {
if (editText.getText().length() != 0) {
editText.setText("");
editText.postDelayed(editText::showDropDown, 100);
}
});
editText.setOnFocusChangeListener((v, hasFocus) -> {
if (hasFocus) {
editText.setText("");
editText.postDelayed(editText::showDropDown, 100);
}
});
builder.setPositiveButton(android.R.string.ok, (dialogInterface, i) -> {
String countryName = editText.getText().toString();
if (countryNameCodes.containsKey(countryName)) {
countryCode = countryNameCodes.get(countryName);
MenuItem discoverHideItem = toolbar.getMenu().findItem(R.id.discover_hide_item);
discoverHideItem.setChecked(false);
hidden = false;
}
prefs.edit().putBoolean(ItunesTopListLoader.PREF_KEY_HIDDEN_DISCOVERY_COUNTRY, hidden).apply();
prefs.edit().putString(ItunesTopListLoader.PREF_KEY_COUNTRY_CODE, countryCode).apply();
EventBus.getDefault().post(new DiscoveryDefaultUpdateEvent());
loadToplist(countryCode);
});
builder.setNegativeButton(R.string.cancel_label, null);
builder.show();
return true;
}
return false;
}
}
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