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package org.fox.ttrss;
import java.lang.reflect.Type;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import android.app.Activity;
import android.app.Fragment;
import android.app.FragmentManager;
import android.content.Context;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.preference.PreferenceManager;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.TextView;
import com.google.gson.Gson;
import com.google.gson.JsonArray;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import com.google.gson.reflect.TypeToken;
public class FeedsFragment extends Fragment implements OnItemClickListener {
private final String TAG = this.getClass().getSimpleName();
private SharedPreferences m_prefs;
private String m_sessionId;
private FeedListAdapter m_adapter;
private List<Feed> m_feeds = new ArrayList<Feed>();
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
if (savedInstanceState != null) {
m_sessionId = savedInstanceState.getString("sessionId");
//m_activeFeedId = savedInstanceState.getInt("activeFeedId");
}
View view = inflater.inflate(R.layout.feeds_fragment, container, false);
ListView list = (ListView)view.findViewById(R.id.feeds);
m_adapter = new FeedListAdapter(getActivity(), R.layout.feeds_row, (ArrayList<Feed>)m_feeds);
list.setAdapter(m_adapter);
list.setOnItemClickListener(this);
return view;
}
@Override
public void onDestroy() {
super.onDestroy();
}
@Override
public void onAttach(Activity activity) {
super.onAttach(activity);
m_prefs = PreferenceManager.getDefaultSharedPreferences(getActivity().getApplicationContext());
}
@Override
public void onSaveInstanceState (Bundle out) {
super.onSaveInstanceState(out);
out.putString("sessionId", m_sessionId);
}
@Override
public void onItemClick(AdapterView<?> av, View view, int position, long id) {
ListView list = (ListView)av;
if (list != null) {
Feed feed = (Feed)list.getItemAtPosition(position);
FragmentManager fm = getFragmentManager();
HeadlinesFragment hf = (HeadlinesFragment) fm.findFragmentById(R.id.headlines_fragment);
if (hf != null) {
hf.initialize(m_sessionId, feed.id);
}
}
}
public void initialize(String sessionId) {
m_sessionId = sessionId;
refresh();
}
public void refresh() {
FeedsRequest fr = new FeedsRequest();
fr.setApi(m_prefs.getString("ttrss_url", null));
HashMap<String,String> map = new HashMap<String,String>() {
{
put("op", "getFeeds");
put("sid", m_sessionId);
put("cat_id", "-3");
put("unread_only", "true");
}
};
fr.execute(map);
}
public void setLoadingStatus(int status, boolean showProgress) {
TextView tv = (TextView)getView().findViewById(R.id.loading_message);
if (tv != null) {
tv.setText(status);
}
View pb = getView().findViewById(R.id.loading_progress);
if (pb != null) {
pb.setVisibility(showProgress ? View.VISIBLE : View.GONE);
}
}
private class FeedsRequest extends ApiRequest {
protected void onPostExecute(JsonElement result) {
if (result != null) {
try {
JsonObject rv = result.getAsJsonObject();
Gson gson = new Gson();
int status = rv.get("status").getAsInt();
if (status == 0) {
JsonArray content = rv.get("content").getAsJsonArray();
if (content != null) {
Type listType = new TypeToken<List<Feed>>() {}.getType();
final List<Feed> feeds = gson.fromJson(content, listType);
getActivity().runOnUiThread(new Runnable() {
public void run() {
m_feeds.clear();
for (Feed f : feeds)
m_feeds.add(f);
m_adapter.notifyDataSetInvalidated();
View v = getView().findViewById(R.id.loading_container);
v.setVisibility(View.GONE);
}
});
}
} else {
JsonObject content = rv.get("content").getAsJsonObject();
if (content != null) {
String error = content.get("error").getAsString();
/* m_sessionId = null;
if (error.equals("LOGIN_ERROR")) {
setLoadingStatus(R.string.login_wrong_password, false);
} else if (error.equals("API_DISABLED")) {
setLoadingStatus(R.string.login_api_disabled, false);
} else {
setLoadingStatus(R.string.login_failed, false);
} */
// TODO report error back to MainActivity
}
}
} catch (Exception e) {
e.printStackTrace();
MainActivity ma = (MainActivity)getActivity();
ma.toast("Error parsing feedlist: incorrect format");
}
} else {
MainActivity ma = (MainActivity)getActivity();
ma.toast("Error parsing feedlist: null object.");
}
return;
}
}
private class FeedListAdapter extends ArrayAdapter<Feed> {
private ArrayList<Feed> items;
public FeedListAdapter(Context context, int textViewResourceId, ArrayList<Feed> items) {
super(context, textViewResourceId, items);
this.items = items;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
View v = convertView;
Feed feed = items.get(position);
if (v == null) {
LayoutInflater vi = (LayoutInflater)getActivity().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
v = vi.inflate(R.layout.feeds_row, null);
}
TextView tt = (TextView) v.findViewById(R.id.title);
if (tt != null) {
tt.setText(feed.title);
//tt.setTextAppearance(getContext(), R.style.Connection);
}
TextView tu = (TextView) v.findViewById(R.id.unread_counter);
if (tu != null) {
tu.setText(String.valueOf(feed.unread));
tu.setVisibility((feed.unread > 0) ? View.VISIBLE : View.INVISIBLE);
}
return v;
}
}
}
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