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package org.fox.ttrss;
import java.lang.reflect.Type;
import java.util.HashMap;
import java.util.List;
import java.util.Timer;
import java.util.TimerTask;
import android.app.Activity;
import android.app.Fragment;
import android.app.FragmentTransaction;
import android.content.Context;
import android.content.SharedPreferences;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteStatement;
import android.os.Bundle;
import android.preference.PreferenceManager;
import android.provider.BaseColumns;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AbsListView;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ListView;
import android.widget.SimpleCursorAdapter;
import com.google.gson.Gson;
import com.google.gson.JsonArray;
import com.google.gson.JsonElement;
import com.google.gson.reflect.TypeToken;
public class FeedsFragment extends Fragment implements OnItemClickListener {
private final String TAG = this.getClass().getSimpleName();
// protected ArrayList<Feed> m_feeds = new ArrayList<Feed>();
protected FeedsListAdapter m_adapter;
protected SharedPreferences m_prefs;
protected int m_activeFeedId;
protected long m_lastUpdate;
protected Gson m_gson = new Gson();
protected Cursor m_cursor;
private Timer m_timer;
private TimerTask m_updateTask = new TimerTask() {
@Override
public void run() {
getActivity().runOnUiThread(new Runnable() {
@Override
public void run() {
updateSelf();
}
});
}
};
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
if (savedInstanceState != null) {
m_activeFeedId = savedInstanceState.getInt("activeFeedId");
m_lastUpdate = savedInstanceState.getLong("lastUpdate");
}
View view = inflater.inflate(R.layout.feeds_fragment, container, false);
DatabaseHelper helper = new DatabaseHelper(getActivity());
m_cursor = helper.getReadableDatabase().query("feeds_unread", null, null, null, null, null, "unread DESC");
m_adapter = new FeedsListAdapter(getActivity(), R.layout.feeds_row, m_cursor,
new String[] { "title", "unread" }, new int[] { R.id.title, R.id.unread_counter }, 0);
ListView list = (ListView) view.findViewById(R.id.feeds);
if (list != null) {
list.setAdapter(m_adapter);
list.setOnItemClickListener(this);
list.setChoiceMode(AbsListView.CHOICE_MODE_SINGLE);
}
//updateSelf();
m_timer = new Timer("UpdateFeeds");
m_timer.schedule(m_updateTask, 1000L, 60*1000L);
return view;
}
@Override
public void onDestroy() {
super.onDestroy();
m_timer.cancel();
m_timer = null;
}
@Override
public void onAttach(Activity activity) {
super.onAttach(activity);
m_prefs = PreferenceManager.getDefaultSharedPreferences(getActivity().getApplicationContext());
}
private void updateSelf() {
String sessionId = ((MainActivity)getActivity()).getSessionId();
ApiRequest task = new ApiRequest(sessionId,
m_prefs.getString("ttrss_url", null),
m_prefs.getString("login", null),
m_prefs.getString("password", null)) {
@Override
protected void onPostExecute(JsonElement result) {
if (result != null && getAuthStatus() == STATUS_OK) {
try {
((MainActivity)getActivity()).setSessionId(getSessionId());
JsonArray feeds_object = (JsonArray) result.getAsJsonArray();
Type listType = new TypeToken<List<Feed>>() {}.getType();
List<Feed> feeds = m_gson.fromJson(feeds_object, listType);
DatabaseHelper dh = new DatabaseHelper(getActivity());
SQLiteDatabase db = dh.getWritableDatabase();
/* db.execSQL("DELETE FROM FEEDS"); */
/* SQLiteStatement stmFind = db.compileStatement("SELECT "+BaseColumns._ID+" FROM feeds WHERE "+
BaseColumns._ID+" = ?"); */
SQLiteStatement stmtUpdate = db.compileStatement("UPDATE feeds SET " +
"title = ?, feed_url = ?, has_icon = ?, cat_id = ?, last_updated = ? WHERE " +
BaseColumns._ID + " = ?");
SQLiteStatement stmtInsert = db.compileStatement("INSERT INTO feeds " +
"("+BaseColumns._ID+", title, feed_url, has_icon, cat_id, last_updated) " +
"VALUES (?, ?, ?, ?, ?, ?);");
for (Feed feed : feeds) {
Cursor c = db.query("feeds", new String[] { BaseColumns._ID } , BaseColumns._ID + "=?",
new String[] { String.valueOf(feed.id) }, null, null, null);
if (c.getCount() != 0) {
stmtUpdate.bindString(1, feed.title);
stmtUpdate.bindString(2, feed.feed_url);
stmtUpdate.bindLong(3, feed.has_icon ? 1 : 0);
stmtUpdate.bindLong(4, feed.cat_id);
stmtUpdate.bindLong(5, feed.last_updated);
stmtUpdate.bindLong(6, feed.id);
stmtUpdate.execute();
} else {
stmtInsert.bindLong(1, feed.id);
stmtInsert.bindString(2, feed.title);
stmtInsert.bindString(3, feed.feed_url);
stmtInsert.bindLong(4, feed.has_icon ? 1 : 0);
stmtInsert.bindLong(5, feed.cat_id);
stmtInsert.bindLong(6, feed.last_updated);
stmtInsert.execute();
}
c.close();
}
// TODO delete not returned feeds which has no data here
db.close();
m_cursor.requery();
m_adapter.notifyDataSetChanged();
} catch (Exception e) {
e.printStackTrace();
}
}
}
};
task.execute(new HashMap<String,String>() {
{
put("sid", ((MainActivity)getActivity()).getSessionId());
put("op", "getFeeds");
put("cat_id", "-3");
put("unread_only", "true");
}
});
}
@Override
public void onSaveInstanceState (Bundle out) {
super.onSaveInstanceState(out);
out.putInt("activeFeedId", m_activeFeedId);
out.putLong("lastUpdate", m_lastUpdate);
}
class FeedsListAdapter extends SimpleCursorAdapter {
private Context context;
private int layout;
public FeedsListAdapter(Context context, int layout, Cursor c,
String[] from, int[] to, int flags) {
super(context, layout, c, from, to, flags);
this.context = context;
this.layout = layout;
}
}
@Override
public void onItemClick(AdapterView<?> av, View view, int position, long id) {
ListView list = (ListView)getActivity().findViewById(R.id.feeds);
if (list != null) {
Cursor cursor = (Cursor) list.getItemAtPosition(position);
if (cursor != null) {
int feedId = (int) cursor.getLong(0);
Log.d(TAG, "clicked on feed " + feedId);
viewFeed(feedId);
}
}
}
private void viewFeed(int feedId) {
m_activeFeedId = feedId;
FragmentTransaction ft = getFragmentManager().beginTransaction();
HeadlinesFragment frag = new HeadlinesFragment();
frag.initialize(feedId);
ft.setCustomAnimations(android.R.animator.fade_in, android.R.animator.fade_out);
ft.replace(R.id.headlines_container, frag);
ft.commit();
m_adapter.notifyDataSetChanged();
}
}
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