348 lines
9.7 KiB
Java
348 lines
9.7 KiB
Java
package org.fox.ttrss;
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import java.lang.reflect.Type;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.Date;
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import java.util.HashMap;
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import java.util.List;
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import android.app.Activity;
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import android.app.Fragment;
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import android.app.FragmentTransaction;
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import android.content.Context;
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import android.content.SharedPreferences;
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import android.database.Cursor;
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import android.database.sqlite.SQLiteDatabase;
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import android.database.sqlite.SQLiteDatabase.CursorFactory;
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import android.database.sqlite.SQLiteOpenHelper;
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import android.os.Bundle;
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import android.preference.PreferenceManager;
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import android.util.Log;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.AdapterView;
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import android.widget.AdapterView.OnItemClickListener;
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import android.widget.ArrayAdapter;
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import android.widget.ListView;
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import android.widget.TextView;
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import com.google.gson.Gson;
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import com.google.gson.JsonElement;
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import com.google.gson.JsonObject;
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import com.google.gson.reflect.TypeToken;
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public class FeedsFragment extends Fragment implements OnItemClickListener {
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private final String TAG = this.getClass().getSimpleName();
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protected ArrayList<Feed> m_feeds = new ArrayList<Feed>();
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protected FeedsListAdapter m_adapter;
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protected SharedPreferences m_prefs;
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protected String m_sessionId;
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protected int m_activeFeedId;
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protected long m_lastUpdate;
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protected Gson m_gson = new Gson();
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@Override
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public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
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if (savedInstanceState != null) {
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m_sessionId = savedInstanceState.getString("sessionId");
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m_sessionId = savedInstanceState.getString("sessionId");
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m_activeFeedId = savedInstanceState.getInt("activeFeedId");
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m_lastUpdate = savedInstanceState.getLong("lastUpdate");
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}
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View view = inflater.inflate(R.layout.feeds_fragment, container, false);
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m_adapter = new FeedsListAdapter(getActivity(), R.id.feeds_row, m_feeds);
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ListView list = (ListView) view.findViewById(R.id.feeds);
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if (list != null) {
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list.setAdapter(m_adapter);
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list.setOnItemClickListener(this);
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}
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return view;
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}
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@Override
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public void onStart() {
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super.onStart();
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if (new Date().getTime() - m_lastUpdate > 30*1000) {
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refresh();
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} else {
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//
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}
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}
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@Override
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public void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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}
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@Override
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public void onAttach(Activity activity) {
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super.onAttach(activity);
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m_prefs = PreferenceManager.getDefaultSharedPreferences(getActivity().getApplicationContext());
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}
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public void initialize(String sessionId) {
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m_sessionId = sessionId;
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}
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@SuppressWarnings("unchecked")
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private void refresh() {
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ApiRequest task = new ApiRequest(null, m_prefs.getString("ttrss_url", null)) {
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@Override
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protected void onPostExecute(JsonElement result) {
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if (result != null) {
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try {
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m_lastUpdate = new Date().getTime();
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JsonObject rv = result.getAsJsonObject();
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int status = rv.get("status").getAsInt();
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if (status == 0) {
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Type listType = new TypeToken<List<Feed>>() {}.getType();
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List<Feed> feeds = m_gson.fromJson(rv.get("content"), listType);
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Collections.sort(feeds);
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if (feeds != null) {
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m_feeds.clear();
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for (Feed feed : feeds) {
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if (feed.id == -4 || feed.id > 0)
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m_feeds.add(feed);
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}
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m_adapter.notifyDataSetChanged();
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/* if (getView() != null) {
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View v = getView().findViewById(R.id.loading_progress);
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if (v != null) v.setVisibility(View.GONE);
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v = getView().findViewById(R.id.no_unread_feeds);
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if (v != null) {
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if (m_feeds.size() > 0)
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v.setVisibility(View.INVISIBLE);
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else
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v.setVisibility(View.VISIBLE);
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}
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} */
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return;
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}
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} else {
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JsonObject content = rv.get("content").getAsJsonObject();
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if (content != null) {
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String error = content.get("error").getAsString();
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if (error.equals("NOT_LOGGED_IN")) {
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MainActivity ma = (MainActivity)getActivity();
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if (ma != null) ma.logout();
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}
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}
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}
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} catch (Exception e) {
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e.printStackTrace();
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}
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}
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}
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};
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task.execute(new HashMap<String,String>() {
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{
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put("sid", m_sessionId);
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put("op", "getFeeds");
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put("cat_id", "-4");
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put("unread_only", "true");
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}
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});
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}
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@Override
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public void onSaveInstanceState (Bundle out) {
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super.onSaveInstanceState(out);
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out.putString("sessionId", m_sessionId);
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out.putInt("activeFeedId", m_activeFeedId);
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out.putLong("lastUpdate", m_lastUpdate);
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}
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private class FeedsListAdapter extends ArrayAdapter<Feed> {
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private ArrayList<Feed> items;
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public FeedsListAdapter(Context context, int textViewResourceId, ArrayList<Feed> items) {
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super(context, textViewResourceId, items);
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this.items = items;
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}
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@Override
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public View getView(int position, View convertView, ViewGroup parent) {
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View v = convertView;
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Feed feed = items.get(position);
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if (v == null) {
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LayoutInflater vi = (LayoutInflater)getActivity().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
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v = vi.inflate(R.layout.feeds_row, null);
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}
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TextView title = (TextView) v.findViewById(R.id.title);
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if (title != null) {
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title.setText(feed.title);
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if (feed.id == m_activeFeedId) {
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title.setTextAppearance(getContext(), R.style.SelectedFeed);
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} else {
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title.setTextAppearance(getContext(), R.style.Feed);
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}
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}
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TextView unread = (TextView) v.findViewById(R.id.unread_counter);
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if (unread != null) {
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unread.setText(String.valueOf(feed.unread));
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}
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return v;
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}
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}
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private class Feed implements Comparable<Feed> {
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String feed_url;
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String title;
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int id;
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int unread;
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boolean has_icon;
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int cat_id;
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int last_updated;
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@Override
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public int compareTo(Feed feed) {
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if (feed.unread != this.unread)
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return feed.unread - this.unread;
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else
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return this.title.compareTo(feed.title);
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}
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}
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@Override
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public void onItemClick(AdapterView<?> av, View view, int position, long id) {
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ListView list = (ListView)getActivity().findViewById(R.id.feeds);
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if (list != null) {
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Feed feed = (Feed) list.getItemAtPosition(position);
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if (feed != null) {
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Log.d(TAG, "clicked on feed " + feed.id);
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viewFeed(feed.id);
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}
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}
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}
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private void viewFeed(int feedId) {
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m_activeFeedId = feedId;
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FragmentTransaction ft = getFragmentManager().beginTransaction();
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HeadlinesFragment frag = new HeadlinesFragment();
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frag.initialize(m_sessionId, feedId);
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ft.setCustomAnimations(android.R.animator.fade_in, android.R.animator.fade_out);
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ft.replace(R.id.headlines_container, frag);
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ft.commit();
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m_adapter.notifyDataSetChanged();
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}
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private class FeedsDBHelper extends SQLiteOpenHelper {
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private SQLiteDatabase db;
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private static final int DATABASE_VERSION = 1;
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private static final String DB_NAME = "feeds.db";
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private static final String TABLE_NAME = "feeds";
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public FeedsDBHelper(Context context, String name,
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CursorFactory factory, int version) {
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super(context, name, factory, version);
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db = getWritableDatabase();
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}
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@Override
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public void onCreate(SQLiteDatabase db) {
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db.execSQL("CREATE TABLE feeds (id INTEGER PRIMARY KEY,"+
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"title TEXT,"+
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"feed_url TEXT,"+
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"unread INTEGER,"+
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"has_icon INTEGER,"+
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"cat_id INTEGER,"+
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"last_updated INTEGER);");
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}
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@Override
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public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
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db.execSQL("DROP TABLE feeds");
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onCreate(db);
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}
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public void clearAll() {
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db.delete("feeds", null, null);
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}
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public Cursor cursorSelectAll() {
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Cursor cursor = this.db.query(
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"feeds", // Table Name
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new String[] { "id", "title", "feed_url", "unread", "has_icon", "cat_id", "last_updated" }, // Columns to return
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null, // SQL WHERE
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null, // Selection Args
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null, // SQL GROUP BY
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null, // SQL HAVING
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"unread DESC"); // SQL ORDER BY
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return cursor;
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}
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public ArrayList<Friend> listSelectAll() {
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ArrayList<Friend> list = new ArrayList<Friend>();
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Cursor cursor = this.db.query(TABLE_NAME, new String[] { "id", "title", "feed_url", "unread", "has_icon", "cat_id", "last_updated" },
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null, null, null, null, "unread DESC");
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if (cursor.moveToFirst()) {
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do {
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Feed f = new Feed();
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f.id = cursor.getInt(0);
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f.title = cursor.getString(1);
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f.feed_url = cursor.getString(2);
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f.unread = cursor.getInt(3);
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f.has_icon = cursor.getInt(4) == 1;
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f.cat_id = cursor.getInt(5);
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f.last_updated = cursor.getInt(6);
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list.add(f);
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} while (cursor.moveToNext());
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}
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if (cursor != null && !cursor.isClosed()) {
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cursor.close();
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}
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return list;
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}
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}
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}
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