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package de.danoeh.antennapod.fragment.gpodnet;
import android.app.Activity;
import android.content.Context;
import android.os.AsyncTask;
import android.os.Bundle;
import android.support.v4.app.ListFragment;
import android.support.v7.widget.SearchView;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.TextView;
import java.util.ArrayList;
import java.util.List;
import de.danoeh.antennapod.R;
import de.danoeh.antennapod.activity.MainActivity;
import de.danoeh.antennapod.gpoddernet.GpodnetService;
import de.danoeh.antennapod.gpoddernet.GpodnetServiceException;
import de.danoeh.antennapod.gpoddernet.model.GpodnetTag;
import de.danoeh.antennapod.util.menuhandler.MenuItemUtils;
import de.danoeh.antennapod.util.menuhandler.NavDrawerActivity;
public class TagListFragment extends ListFragment {
private static final String TAG = "TagListFragment";
private static final int COUNT = 50;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setHasOptionsMenu(true);
}
@Override
public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
super.onCreateOptionsMenu(menu, inflater);
if (!MenuItemUtils.isActivityDrawerOpen((NavDrawerActivity) getActivity())) {
final SearchView sv = new SearchView(getActivity());
MenuItemUtils.addSearchItem(menu, sv);
sv.setQueryHint(getString(R.string.gpodnet_search_hint));
sv.setOnQueryTextListener(new SearchView.OnQueryTextListener() {
@Override
public boolean onQueryTextSubmit(String s) {
Activity activity = getActivity();
if (activity != null) {
sv.clearFocus();
((MainActivity) activity).loadChildFragment(SearchListFragment.newInstance(s));
}
return true;
}
@Override
public boolean onQueryTextChange(String s) {
return false;
}
});
}
}
@Override
public void onViewCreated(View view, Bundle savedInstanceState) {
super.onViewCreated(view, savedInstanceState);
getListView().setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
String selectedTag = (String) getListAdapter().getItem(position);
MainActivity activity = (MainActivity) getActivity();
activity.loadChildFragment(TagFragment.newInstance(selectedTag));
}
});
startLoadTask();
}
@Override
public void onDestroyView() {
super.onDestroyView();
cancelLoadTask();
}
private AsyncTask<Void, Void, List<GpodnetTag>> loadTask;
private void cancelLoadTask() {
if (loadTask != null && !loadTask.isCancelled()) {
loadTask.cancel(true);
}
}
private void startLoadTask() {
cancelLoadTask();
loadTask = new AsyncTask<Void, Void, List<GpodnetTag>>() {
private Exception exception;
@Override
protected List<GpodnetTag> doInBackground(Void... params) {
GpodnetService service = new GpodnetService();
try {
return service.getTopTags(COUNT);
} catch (GpodnetServiceException e) {
e.printStackTrace();
exception = e;
return null;
} finally {
service.shutdown();
}
}
@Override
protected void onPreExecute() {
super.onPreExecute();
setListShown(false);
}
@Override
protected void onPostExecute(List<GpodnetTag> gpodnetTags) {
super.onPostExecute(gpodnetTags);
final Context context = getActivity();
if (context != null) {
if (gpodnetTags != null) {
List<String> tagNames = new ArrayList<String>();
for (GpodnetTag tag : gpodnetTags) {
tagNames.add(tag.getName());
}
setListAdapter(new ArrayAdapter<String>(context, android.R.layout.simple_list_item_1, tagNames));
} else if (exception != null) {
TextView txtvError = new TextView(getActivity());
txtvError.setText(exception.getMessage());
getListView().setEmptyView(txtvError);
}
setListShown(true);
}
}
};
if (android.os.Build.VERSION.SDK_INT > android.os.Build.VERSION_CODES.GINGERBREAD_MR1) {
loadTask.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
} else {
loadTask.execute();
}
}
}
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