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