552 lines
15 KiB
Java
552 lines
15 KiB
Java
package org.fox.ttrss;
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import java.io.BufferedInputStream;
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import java.io.File;
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import java.io.FileOutputStream;
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import java.io.InputStream;
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import java.lang.reflect.Type;
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import java.net.MalformedURLException;
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import java.net.URL;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.Comparator;
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import java.util.HashMap;
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import java.util.List;
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import org.apache.http.HttpHost;
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import org.apache.http.HttpResponse;
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import org.apache.http.auth.AuthScope;
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import org.apache.http.auth.UsernamePasswordCredentials;
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import org.apache.http.client.methods.HttpGet;
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import org.apache.http.conn.scheme.PlainSocketFactory;
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import org.apache.http.conn.scheme.Scheme;
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import org.apache.http.conn.scheme.SchemeRegistry;
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import org.apache.http.impl.client.DefaultHttpClient;
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import org.apache.http.impl.conn.tsccm.ThreadSafeClientConnManager;
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import org.apache.http.params.BasicHttpParams;
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import org.apache.http.params.HttpParams;
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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.graphics.Bitmap;
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import android.graphics.BitmapFactory;
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import android.os.AsyncTask;
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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.support.v4.app.Fragment;
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import android.util.Log;
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import android.view.ContextMenu;
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import android.view.LayoutInflater;
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import android.view.MenuItem;
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import android.view.View;
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import android.view.ViewGroup;
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import android.view.ContextMenu.ContextMenuInfo;
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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.ArrayAdapter;
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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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import com.google.gson.Gson;
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import com.google.gson.JsonArray;
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import com.google.gson.JsonElement;
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import com.google.gson.reflect.TypeToken;
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public class FeedsFragment 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 FeedList m_feeds = new FeedList();
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private OnFeedSelectedListener m_feedSelectedListener;
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private int m_selectedFeedId;
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private static final String ICON_PATH = "/org.fox.ttrss/icons/";
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private boolean m_enableFeedIcons;
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private boolean m_feedIconsChecked = false;
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public interface OnFeedSelectedListener {
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public void onFeedSelected(Feed feed);
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}
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class FeedUnreadComparator implements Comparator<Feed> {
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@Override
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public int compare(Feed a, Feed b) {
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if (a.unread != b.unread)
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return b.unread - a.unread;
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else
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return a.title.compareTo(b.title);
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}
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}
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class FeedTitleComparator implements Comparator<Feed> {
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@Override
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public int compare(Feed a, Feed b) {
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if (a.id >= 0 && b.id >= 0)
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return a.title.compareTo(b.title);
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else
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return a.id - b.id;
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}
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}
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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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Feed feed = m_adapter.getItem(info.position);
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if (feed != null)
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menu.setHeaderTitle(feed.title);
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super.onCreateContextMenu(menu, v, menuInfo);
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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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m_feeds = savedInstanceState.getParcelable("feeds");
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m_feedIconsChecked = savedInstanceState.getBoolean("feedIconsChecked");
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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_adapter = new FeedListAdapter(getActivity(), R.layout.feeds_row, (ArrayList<Feed>)m_feeds);
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list.setAdapter(m_adapter);
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list.setOnItemClickListener(this);
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registerForContextMenu(list);
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m_enableFeedIcons = m_prefs.getBoolean("download_feed_icons", false);
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if (m_feeds == null || m_feeds.size() == 0)
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refresh(false);
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else
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view.findViewById(R.id.loading_progress).setVisibility(View.GONE);
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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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}
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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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m_feedSelectedListener = (OnFeedSelectedListener) activity;
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Feed activeFeed = ((MainActivity)activity).getActiveFeed();
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if (activeFeed != null)
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m_selectedFeedId = activeFeed.id;
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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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out.putParcelable("feeds", m_feeds);
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out.putBoolean("feedIconsChecked", m_feedIconsChecked);
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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)av;
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if (list != null) {
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Feed feed = (Feed)list.getItemAtPosition(position);
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m_feedSelectedListener.onFeedSelected(feed);
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m_selectedFeedId = feed.id;
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m_adapter.notifyDataSetChanged();
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}
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}
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@SuppressWarnings({ "unchecked", "serial" })
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public void refresh(boolean background) {
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FeedCategory cat = ((MainActivity)getActivity()).getActiveCategory();
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final int catId = (cat != null) ? cat.id : -4;
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final String sessionId = ((MainActivity)getActivity()).getSessionId();
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final boolean unreadOnly = ((MainActivity)getActivity()).getUnreadOnly();
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FeedsRequest req = new FeedsRequest(getActivity().getApplicationContext(), catId);
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if (sessionId != null) {
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if (!background) {
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getActivity().runOnUiThread(new Runnable() {
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@Override
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public void run() {
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setLoadingStatus(R.string.blank, true);
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}
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});
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}
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HashMap<String,String> map = new HashMap<String,String>() {
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{
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put("op", "getFeeds");
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put("sid", sessionId);
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put("cat_id", String.valueOf(catId));
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if (unreadOnly) {
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put("unread_only", String.valueOf(unreadOnly));
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}
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}
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};
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req.execute(map);
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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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@SuppressWarnings({ "unchecked", "serial" })
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public void getFeedIcons() {
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ApiRequest req = new ApiRequest(getActivity().getApplicationContext()) {
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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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JsonElement iconsUrl = result.getAsJsonObject().get("icons_dir");
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if (iconsUrl != null) {
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String iconsStr = iconsUrl.getAsString();
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String baseUrl = "";
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if (!iconsStr.contains("://")) {
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baseUrl = m_prefs.getString("ttrss_url", "") + "/" + iconsStr;
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} else {
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baseUrl = iconsStr;
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}
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GetIconsTask git = new GetIconsTask(baseUrl);
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git.execute(m_feeds);
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m_feedIconsChecked = true;
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}
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} catch (Exception e) {
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Log.d(TAG, "Error receiving icons configuration");
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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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final String sessionId = ((MainActivity)getActivity()).getSessionId();
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HashMap<String,String> map = new HashMap<String,String>() {
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{
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put("sid", sessionId);
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put("op", "getConfig");
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}
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};
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req.execute(map);
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}
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private class FeedsRequest extends ApiRequest {
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private int m_catId;
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public FeedsRequest(Context context, int catId) {
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super(context);
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m_catId = catId;
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}
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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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JsonArray content = result.getAsJsonArray();
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if (content != null) {
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Type listType = new TypeToken<List<Feed>>() {}.getType();
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final List<Feed> feeds = new Gson().fromJson(content, listType);
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m_feeds.clear();
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for (Feed f : feeds)
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if (f.id > -10 || m_catId != -4) // skip labels for flat feedlist for now
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m_feeds.add(f);
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sortFeeds();
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if (m_feeds.size() == 0)
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setLoadingStatus(R.string.no_feeds_to_display, false);
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else
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setLoadingStatus(R.string.blank, false);
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if (m_enableFeedIcons && !m_feedIconsChecked) getFeedIcons();
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return;
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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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if (m_lastError == ApiError.LOGIN_FAILED) {
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MainActivity activity = (MainActivity)getActivity();
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activity.login();
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} else {
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setLoadingStatus(getErrorMessage(), false);
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}
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}
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}
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private class FeedListAdapter extends ArrayAdapter<Feed> {
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private ArrayList<Feed> items;
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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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public FeedListAdapter(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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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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Feed feed = items.get(position);
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if (feed.id == 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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Feed feed = items.get(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(feed.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(feed.unread));
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tu.setVisibility((feed.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 + feed.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(feed.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(feed.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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Comparator<Feed> cmp;
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if (m_prefs.getBoolean("sort_feeds_by_unread", false)) {
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cmp = new FeedUnreadComparator();
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} else {
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cmp = new FeedTitleComparator();
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}
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Collections.sort(m_feeds, cmp);
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m_adapter.notifyDataSetInvalidated();
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}
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public class GetIconsTask extends AsyncTask<FeedList, Integer, Integer> {
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private String m_baseUrl;
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public GetIconsTask(String baseUrl) {
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m_baseUrl = baseUrl;
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}
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@Override
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protected Integer doInBackground(FeedList... params) {
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try {
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File storage = Environment.getExternalStorageDirectory();
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final File iconPath = new File(storage.getAbsolutePath() + ICON_PATH);
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if (!iconPath.exists()) iconPath.mkdirs();
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if (iconPath.exists()) {
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for (Feed feed : params[0]) {
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if (feed.id > 0 && feed.has_icon) {
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File outputFile = new File(iconPath.getAbsolutePath() + "/" + feed.id + ".ico");
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String fetchUrl = m_baseUrl + "/" + feed.id + ".ico";
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if (!outputFile.exists()) {
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downloadFile(fetchUrl, outputFile.getAbsolutePath());
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Thread.sleep(2000);
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}
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}
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}
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}
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} catch (Exception e) {
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Log.d(TAG, "Error while downloading feed icons");
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e.printStackTrace();
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}
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return null;
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}
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protected void downloadFile(String fetchUrl, String outputFile) {
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DefaultHttpClient client;
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if (m_prefs.getBoolean("ssl_trust_any", false)) {
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SchemeRegistry schemeRegistry = new SchemeRegistry();
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schemeRegistry.register(new Scheme("http", PlainSocketFactory.getSocketFactory(), 80));
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schemeRegistry.register(new Scheme("https", new EasySSLSocketFactory(), 443));
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HttpParams httpParams = new BasicHttpParams();
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client = new DefaultHttpClient(new ThreadSafeClientConnManager(httpParams, schemeRegistry), httpParams);
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} else {
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client = new DefaultHttpClient();
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}
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HttpGet httpGet = new HttpGet(fetchUrl);
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String httpLogin = m_prefs.getString("http_login", "");
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String httpPassword = m_prefs.getString("http_password", "");
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if (httpLogin.length() > 0) {
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URL targetUrl;
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try {
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targetUrl = new URL(fetchUrl);
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} catch (MalformedURLException e) {
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e.printStackTrace();
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return;
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}
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HttpHost targetHost = new HttpHost(targetUrl.getHost(), targetUrl.getPort(), targetUrl.getProtocol());
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client.getCredentialsProvider().setCredentials(
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new AuthScope(targetHost.getHostName(), targetHost.getPort()),
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new UsernamePasswordCredentials(httpLogin, httpPassword));
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}
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try {
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HttpResponse execute = client.execute(httpGet);
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InputStream content = execute.getEntity().getContent();
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BufferedInputStream is = new BufferedInputStream(content, 1024);
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FileOutputStream fos = new FileOutputStream(outputFile);
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byte[] buffer = new byte[1024];
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int len = 0;
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while ((len = is.read(buffer)) != -1) {
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fos.write(buffer, 0, len);
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}
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fos.close();
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is.close();
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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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protected void onPostExecute(Integer result) {
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m_adapter.notifyDataSetInvalidated();
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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 Feed getFeedAtPosition(int position) {
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return m_adapter.getItem(position);
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}
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}
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