285 lines
8.0 KiB
Java
285 lines
8.0 KiB
Java
package org.fox.ttrss;
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import java.io.File;
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import android.app.Activity;
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import android.content.Context;
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import android.content.SharedPreferences;
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import android.content.SharedPreferences.OnSharedPreferenceChangeListener;
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import android.database.Cursor;
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import android.graphics.Bitmap;
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import android.graphics.BitmapFactory;
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import android.os.Bundle;
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import android.os.Environment;
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import android.preference.PreferenceManager;
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import android.provider.BaseColumns;
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import android.support.v4.app.Fragment;
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import android.support.v4.widget.SimpleCursorAdapter;
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import android.util.Log;
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import android.view.ContextMenu;
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import android.view.ContextMenu.ContextMenuInfo;
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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.AdapterContextMenuInfo;
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import android.widget.AdapterView.OnItemClickListener;
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import android.widget.ImageView;
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import android.widget.ListView;
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import android.widget.TextView;
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public class OfflineFeedsFragment extends Fragment implements OnItemClickListener, OnSharedPreferenceChangeListener {
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private final String TAG = this.getClass().getSimpleName();
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private SharedPreferences m_prefs;
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private FeedListAdapter m_adapter;
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private static final String ICON_PATH = "/org.fox.ttrss/icons/";
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private int m_selectedFeedId;
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private boolean m_enableFeedIcons;
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private Cursor m_cursor;
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@Override
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public void onCreateContextMenu(ContextMenu menu, View v,
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ContextMenuInfo menuInfo) {
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getActivity().getMenuInflater().inflate(R.menu.feed_menu, menu);
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AdapterContextMenuInfo info = (AdapterContextMenuInfo) menuInfo;
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Cursor cursor = (Cursor)m_adapter.getItem(info.position);
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if (cursor != null)
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menu.setHeaderTitle(cursor.getString(cursor.getColumnIndex("title")));
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super.onCreateContextMenu(menu, v, menuInfo);
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}
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public Cursor createCursor() {
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String unreadOnly = ((OfflineActivity)getActivity()).getUnreadOnly() ? "unread > 0" : null;
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String order = m_prefs.getBoolean("sort_feeds_by_unread", false) ? "unread DESC, title" : "title";
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return ((OfflineActivity)getActivity()).getReadableDb().query("feeds_unread",
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null, unreadOnly, null, null, null, order);
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}
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public void refresh() {
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if (m_cursor != null && !m_cursor.isClosed()) m_cursor.close();
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m_cursor = createCursor();
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if (m_cursor != null) {
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m_adapter.changeCursor(m_cursor);
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m_adapter.notifyDataSetChanged();
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}
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}
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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_selectedFeedId = savedInstanceState.getInt("selectedFeedId");
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}
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View view = inflater.inflate(R.layout.feeds_fragment, container, false);
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ListView list = (ListView)view.findViewById(R.id.feeds);
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m_cursor = createCursor();
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m_adapter = new FeedListAdapter(getActivity(), R.layout.feeds_row, m_cursor,
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new String[] { "title", "unread" }, new int[] { R.id.title, R.id.unread_counter }, 0);
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list.setAdapter(m_adapter);
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list.setOnItemClickListener(this);
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list.setEmptyView(view.findViewById(R.id.no_feeds));
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registerForContextMenu(list);
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view.findViewById(R.id.loading_container).setVisibility(View.GONE);
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m_enableFeedIcons = m_prefs.getBoolean("download_feed_icons", false);
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return view;
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}
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@Override
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public void onDestroy() {
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super.onDestroy();
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if (m_cursor != null && !m_cursor.isClosed()) m_cursor.close();
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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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m_prefs.registerOnSharedPreferenceChangeListener(this);
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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.putInt("selectedFeedId", m_selectedFeedId);
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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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Cursor cursor = (Cursor) list.getItemAtPosition(position);
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if (cursor != null) {
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int feedId = (int) cursor.getLong(0);
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Log.d(TAG, "clicked on feed " + feedId);
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((OfflineActivity)getActivity()).viewFeed(feedId);
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m_selectedFeedId = feedId;
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m_adapter.notifyDataSetChanged();
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}
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}
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}
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public void setLoadingStatus(int status, boolean showProgress) {
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if (getView() != null) {
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TextView tv = (TextView)getView().findViewById(R.id.loading_message);
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if (tv != null) {
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tv.setText(status);
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}
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View pb = getView().findViewById(R.id.loading_progress);
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if (pb != null) {
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pb.setVisibility(showProgress ? View.VISIBLE : View.GONE);
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}
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}
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}
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private class FeedListAdapter extends SimpleCursorAdapter {
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public FeedListAdapter(Context context, int layout, Cursor c,
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String[] from, int[] to, int flags) {
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super(context, layout, c, from, to, flags);
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}
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public static final int VIEW_NORMAL = 0;
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public static final int VIEW_SELECTED = 1;
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public static final int VIEW_COUNT = VIEW_SELECTED+1;
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@Override
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public int getViewTypeCount() {
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return VIEW_COUNT;
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}
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@Override
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public int getItemViewType(int position) {
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Cursor cursor = (Cursor) this.getItem(position);
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if (cursor.getLong(0) == m_selectedFeedId) {
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return VIEW_SELECTED;
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} else {
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return VIEW_NORMAL;
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}
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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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Cursor cursor = (Cursor)getItem(position);
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if (v == null) {
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int layoutId = R.layout.feeds_row;
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switch (getItemViewType(position)) {
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case VIEW_SELECTED:
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layoutId = R.layout.feeds_row_selected;
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break;
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}
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LayoutInflater vi = (LayoutInflater)getActivity().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
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v = vi.inflate(layoutId, null);
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}
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TextView tt = (TextView) v.findViewById(R.id.title);
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if (tt != null) {
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tt.setText(cursor.getString(cursor.getColumnIndex("title")));
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}
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TextView tu = (TextView) v.findViewById(R.id.unread_counter);
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if (tu != null) {
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tu.setText(String.valueOf(cursor.getInt(cursor.getColumnIndex("unread"))));
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tu.setVisibility((cursor.getInt(cursor.getColumnIndex("unread")) > 0) ? View.VISIBLE : View.INVISIBLE);
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}
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ImageView icon = (ImageView)v.findViewById(R.id.icon);
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if (icon != null) {
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if (m_enableFeedIcons) {
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File storage = Environment.getExternalStorageDirectory();
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File iconFile = new File(storage.getAbsolutePath() + ICON_PATH + cursor.getInt(cursor.getColumnIndex(BaseColumns._ID)) + ".ico");
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if (iconFile.exists()) {
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Bitmap bmpOrig = BitmapFactory.decodeFile(iconFile.getAbsolutePath());
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if (bmpOrig != null) {
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icon.setImageBitmap(bmpOrig);
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}
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} else {
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icon.setImageResource(cursor.getInt(cursor.getColumnIndex("unread")) > 0 ? R.drawable.ic_rss : R.drawable.ic_rss_bw);
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}
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} else {
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icon.setImageResource(cursor.getInt(cursor.getColumnIndex("unread")) > 0 ? R.drawable.ic_rss : R.drawable.ic_rss_bw);
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}
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}
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return v;
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}
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}
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public void sortFeeds() {
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try {
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refresh();
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} catch (NullPointerException e) {
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// activity is gone?
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} catch (IllegalStateException e) {
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// we're probably closing and DB is gone already
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}
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}
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@Override
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public void onSharedPreferenceChanged(SharedPreferences sharedPreferences,
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String key) {
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sortFeeds();
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m_enableFeedIcons = m_prefs.getBoolean("download_feed_icons", false);
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}
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public int getFeedIdAtPosition(int position) {
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Cursor c = (Cursor)m_adapter.getItem(position);
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if (c != null) {
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int feedId = c.getInt(0);
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c.close();
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return feedId;
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}
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return 0;
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}
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}
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