package org.fox.ttrss; import java.io.BufferedInputStream; import java.io.File; import java.io.FileOutputStream; import java.io.InputStream; import java.lang.reflect.Type; import java.net.HttpURLConnection; import java.net.URL; import java.util.ArrayList; import java.util.Collections; import java.util.Comparator; import java.util.HashMap; import java.util.List; import org.fox.ttrss.types.Feed; import org.fox.ttrss.types.FeedCategory; import org.fox.ttrss.types.FeedList; import android.app.Activity; import android.content.Context; import android.content.SharedPreferences; import android.content.SharedPreferences.OnSharedPreferenceChangeListener; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.net.http.AndroidHttpClient; import android.os.AsyncTask; import android.os.Bundle; import android.os.Environment; import android.preference.PreferenceManager; import android.support.v4.app.Fragment; import android.util.Base64; import android.util.Log; import android.view.ContextMenu; import android.view.ContextMenu.ContextMenuInfo; import android.view.LayoutInflater; import android.view.MenuItem; 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.ArrayAdapter; import android.widget.ImageView; import android.widget.ListView; import android.widget.TextView; 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, OnSharedPreferenceChangeListener { private final String TAG = this.getClass().getSimpleName(); private SharedPreferences m_prefs; private FeedListAdapter m_adapter; private FeedList m_feeds = new FeedList(); private FeedsActivity m_activity; private Feed m_selectedFeed; private FeedCategory m_activeCategory; private static final String ICON_PATH = "/icons/"; private boolean m_enableFeedIcons; private boolean m_feedIconsChecked = false; public void initialize(FeedCategory cat) { m_activeCategory = cat; } class FeedUnreadComparator implements Comparator { @Override public int compare(Feed a, Feed b) { if (a.unread != b.unread) return b.unread - a.unread; else return a.title.compareTo(b.title); } } class FeedTitleComparator implements Comparator { @Override public int compare(Feed a, Feed b) { if (a.is_cat && b.is_cat) return a.title.compareTo(b.title); else if (a.is_cat && !b.is_cat) return -1; else if (!a.is_cat && b.is_cat) return 1; else if (a.id >= 0 && b.id >= 0) return a.title.compareTo(b.title); else return a.id - b.id; } } class FeedOrderComparator implements Comparator { @Override public int compare(Feed a, Feed b) { if (a.id >= 0 && b.id >= 0) if (a.is_cat && b.is_cat) return a.title.compareTo(b.title); else if (a.is_cat && !b.is_cat) return -1; else if (!a.is_cat && b.is_cat) return 1; else if (a.order_id != 0 && b.order_id != 0) return a.order_id - b.order_id; else return a.title.compareTo(b.title); else return a.id - b.id; } } @Override public boolean onContextItemSelected(MenuItem item) { AdapterContextMenuInfo info = (AdapterContextMenuInfo) item .getMenuInfo(); switch (item.getItemId()) { case R.id.browse_articles: if (true) { Feed feed = getFeedAtPosition(info.position); if (feed != null) { m_activity.openFeedArticles(feed); } } return true; case R.id.browse_headlines: if (true) { Feed feed = getFeedAtPosition(info.position); if (feed != null) { m_activity.onFeedSelected(feed); } } return true; case R.id.browse_feeds: if (true) { Feed feed = getFeedAtPosition(info.position); if (feed != null) { m_activity.onCatSelected(new FeedCategory(feed.id, feed.title, feed.unread), false); } } return true; case R.id.catchup_feed: if (true) { Feed feed = getFeedAtPosition(info.position); if (feed != null) { m_activity.catchupFeed(feed); } } return true; default: Log.d(TAG, "onContextItemSelected, unhandled id=" + item.getItemId()); return super.onContextItemSelected(item); } } @Override public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) { getActivity().getMenuInflater().inflate(R.menu.feed_menu, menu); AdapterContextMenuInfo info = (AdapterContextMenuInfo) menuInfo; Feed feed = m_adapter.getItem(info.position); if (feed != null) menu.setHeaderTitle(feed.title); if (!m_activity.isSmallScreen()) { menu.findItem(R.id.browse_articles).setVisible(false); } if (!feed.is_cat) { menu.findItem(R.id.browse_feeds).setVisible(false); } super.onCreateContextMenu(menu, v, menuInfo); } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { if (savedInstanceState != null) { m_selectedFeed = savedInstanceState.getParcelable("selectedFeed"); m_feeds = savedInstanceState.getParcelable("feeds"); m_feedIconsChecked = savedInstanceState.getBoolean("feedIconsChecked"); m_activeCategory = savedInstanceState.getParcelable("activeCat"); } View view = inflater.inflate(R.layout.feeds_fragment, container, false); ListView list = (ListView)view.findViewById(R.id.feeds); m_adapter = new FeedListAdapter(getActivity(), R.layout.feeds_row, (ArrayList)m_feeds); list.setAdapter(m_adapter); //list.setEmptyView(view.findViewById(R.id.no_feeds)); list.setOnItemClickListener(this); registerForContextMenu(list); m_enableFeedIcons = m_prefs.getBoolean("download_feed_icons", false); return view; } @Override public void onDestroy() { super.onDestroy(); } @Override public void onAttach(Activity activity) { super.onAttach(activity); m_prefs = PreferenceManager.getDefaultSharedPreferences(getActivity().getApplicationContext()); m_prefs.registerOnSharedPreferenceChangeListener(this); m_activity = (FeedsActivity)activity; } @Override public void onResume() { super.onResume(); refresh(false); m_activity.initMenu(); } @Override public void onSaveInstanceState (Bundle out) { super.onSaveInstanceState(out); out.putParcelable("selectedFeed", m_selectedFeed); out.putParcelable("feeds", m_feeds); out.putBoolean("feedIconsChecked", m_feedIconsChecked); out.putParcelable("activeCat", m_activeCategory); } @Override public void onItemClick(AdapterView av, View view, int position, long id) { ListView list = (ListView)av; if (list != null) { Feed feed = (Feed)list.getItemAtPosition(position); if (feed.is_cat) { if (m_activity.isSmallScreen() && "ARTICLES".equals(m_prefs.getString("default_view_mode", "HEADLINES")) && m_prefs.getBoolean("browse_cats_like_feeds", false)) { m_activity.openFeedArticles(feed); } else { m_activity.onCatSelected(new FeedCategory(feed.id, feed.title, feed.unread)); } } else { if ("ARTICLES".equals(m_prefs.getString("default_view_mode", "HEADLINES"))) { m_activity.openFeedArticles(feed); } else { m_activity.onFeedSelected(feed); } } if (!m_activity.isSmallScreen()) m_selectedFeed = feed; m_adapter.notifyDataSetChanged(); } } @SuppressWarnings({ "unchecked", "serial" }) public void refresh(boolean background) { //FeedCategory cat = m_onlineServices.getActiveCategory(); m_activity.setProgressBarVisibility(true); final int catId = (m_activeCategory != null) ? m_activeCategory.id : -4; final String sessionId = m_activity.getSessionId(); final boolean unreadOnly = m_activity.getUnreadOnly(); FeedsRequest req = new FeedsRequest(getActivity().getApplicationContext(), catId); if (sessionId != null) { m_activity.setLoadingStatus(R.string.blank, true); HashMap map = new HashMap() { { put("op", "getFeeds"); put("sid", sessionId); put("include_nested", "true"); put("cat_id", String.valueOf(catId)); if (unreadOnly) { put("unread_only", String.valueOf(unreadOnly)); } } }; req.execute(map); } } /* private void setLoadingStatus(int status, boolean showProgress) { if (getView() != null) { TextView tv = (TextView)getView().findViewById(R.id.loading_message); if (tv != null) { tv.setText(status); } } if (getActivity() != null) getActivity().setProgressBarIndeterminateVisibility(showProgress); } */ @SuppressWarnings({ "unchecked", "serial" }) public void getFeedIcons() { ApiRequest req = new ApiRequest(getActivity().getApplicationContext()) { protected void onPostExecute(JsonElement result) { if (isDetached()) return; if (result != null) { try { JsonElement iconsUrl = result.getAsJsonObject().get("icons_dir"); if (iconsUrl != null) { String iconsStr = iconsUrl.getAsString(); String baseUrl = ""; if (!iconsStr.contains("://")) { baseUrl = m_prefs.getString("ttrss_url", "") + "/" + iconsStr; } else { baseUrl = iconsStr; } GetIconsTask git = new GetIconsTask(baseUrl); git.execute(m_feeds); m_feedIconsChecked = true; } } catch (Exception e) { Log.d(TAG, "Error receiving icons configuration"); e.printStackTrace(); } } } }; final String sessionId = m_activity.getSessionId(); HashMap map = new HashMap() { { put("sid", sessionId); put("op", "getConfig"); } }; req.execute(map); } private class FeedsRequest extends ApiRequest { private int m_catId; public FeedsRequest(Context context, int catId) { super(context); m_catId = catId; } @Override protected void onProgressUpdate(Integer... progress) { m_activity.setProgress(Math.round((((float)progress[0] / (float)progress[1]) * 10000))); } @Override protected void onPostExecute(JsonElement result) { if (isDetached()) return; if (getView() != null) { ListView list = (ListView)getView().findViewById(R.id.feeds); if (list != null) { list.setEmptyView(getView().findViewById(R.id.no_feeds)); } } m_activity.setProgressBarVisibility(false); if (result != null) { try { JsonArray content = result.getAsJsonArray(); if (content != null) { Type listType = new TypeToken>() {}.getType(); final List feeds = new Gson().fromJson(content, listType); m_feeds.clear(); for (Feed f : feeds) if (f.id > -10 || m_catId != -4) // skip labels for flat feedlist for now m_feeds.add(f); sortFeeds(); /*if (m_feeds.size() == 0) setLoadingStatus(R.string.no_feeds_to_display, false); else */ m_activity.setLoadingStatus(R.string.blank, false); //m_adapter.notifyDataSetChanged(); (done by sortFeeds) if (m_enableFeedIcons && !m_feedIconsChecked && Environment.MEDIA_MOUNTED.equals(Environment.getExternalStorageState())) getFeedIcons(); return; } } catch (Exception e) { e.printStackTrace(); } } if (m_lastError == ApiError.LOGIN_FAILED) { m_activity.login(true); } else { m_activity.setLoadingStatus(getErrorMessage(), false); } } } private class FeedListAdapter extends ArrayAdapter { private ArrayList items; public static final int VIEW_NORMAL = 0; public static final int VIEW_SELECTED = 1; public static final int VIEW_COUNT = VIEW_SELECTED+1; public FeedListAdapter(Context context, int textViewResourceId, ArrayList items) { super(context, textViewResourceId, items); this.items = items; } public int getViewTypeCount() { return VIEW_COUNT; } @Override public int getItemViewType(int position) { Feed feed = items.get(position); if (!m_activity.isSmallScreen() && m_selectedFeed != null && feed.id == m_selectedFeed.id) { return VIEW_SELECTED; } else { return VIEW_NORMAL; } } @Override public View getView(int position, View convertView, ViewGroup parent) { View v = convertView; Feed feed = items.get(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(feed.title); } TextView tu = (TextView) v.findViewById(R.id.unread_counter); if (tu != null) { tu.setText(String.valueOf(feed.unread)); tu.setVisibility((feed.unread > 0) ? View.VISIBLE : View.INVISIBLE); } ImageView icon = (ImageView)v.findViewById(R.id.icon); if (icon != null) { if (m_enableFeedIcons) { File storage = m_activity.getExternalCacheDir(); File iconFile = new File(storage.getAbsolutePath() + ICON_PATH + feed.id + ".ico"); if (iconFile.exists()) { Bitmap bmpOrig = BitmapFactory.decodeFile(iconFile.getAbsolutePath()); if (bmpOrig != null) { icon.setImageBitmap(bmpOrig); } } else { icon.setImageResource(feed.unread > 0 ? R.drawable.ic_rss : R.drawable.ic_rss_bw); } } else { icon.setImageResource(feed.unread > 0 ? R.drawable.ic_rss : R.drawable.ic_rss_bw); } } return v; } } public void sortFeeds() { Comparator cmp; if (m_prefs.getBoolean("sort_feeds_by_unread", false)) { cmp = new FeedUnreadComparator(); } else { if (m_activity.getApiLevel() >= 3) { cmp = new FeedOrderComparator(); } else { cmp = new FeedTitleComparator(); } } Collections.sort(m_feeds, cmp); try { m_adapter.notifyDataSetChanged(); } catch (NullPointerException e) { // adapter missing } } public class GetIconsTask extends AsyncTask { private String m_baseUrl; public GetIconsTask(String baseUrl) { m_baseUrl = baseUrl; } @Override protected Integer doInBackground(FeedList... params) { try { File storage = m_activity.getExternalCacheDir(); final File iconPath = new File(storage.getAbsolutePath() + ICON_PATH); if (!iconPath.exists()) iconPath.mkdirs(); if (iconPath.exists()) { for (Feed feed : params[0]) { if (feed.id > 0 && feed.has_icon && !feed.is_cat) { File outputFile = new File(iconPath.getAbsolutePath() + "/" + feed.id + ".ico"); String fetchUrl = m_baseUrl + "/" + feed.id + ".ico"; if (!outputFile.exists()) { downloadFile(fetchUrl, outputFile.getAbsolutePath()); Thread.sleep(2000); } } } } } catch (Exception e) { Log.d(TAG, "Error while downloading feed icons"); e.printStackTrace(); } return null; } protected void downloadFile(String fetchUrl, String outputFile) { AndroidHttpClient client = AndroidHttpClient.newInstance("Tiny Tiny RSS"); /* ApiRequest.disableConnectionReuseIfNecessary(); */ /* ApiRequest.trustAllHosts(m_prefs.getBoolean("ssl_trust_any", false), m_prefs.getBoolean("ssl_trust_any_host", false)); */ try { URL url = new URL(fetchUrl); HttpURLConnection conn = (HttpURLConnection) url.openConnection(); String httpLogin = m_prefs.getString("http_login", ""); String httpPassword = m_prefs.getString("http_password", ""); if (httpLogin.length() > 0) { conn.setRequestProperty("Authorization", "Basic " + Base64.encodeToString((httpLogin + ":" + httpPassword).getBytes("UTF-8"), Base64.NO_WRAP)); } InputStream content = conn.getInputStream(); BufferedInputStream is = new BufferedInputStream(content, 1024); FileOutputStream fos = new FileOutputStream(outputFile); byte[] buffer = new byte[1024]; int len = 0; while ((len = is.read(buffer)) != -1) { fos.write(buffer, 0, len); } fos.close(); is.close(); } catch (Exception e) { e.printStackTrace(); } client.close(); } protected void onPostExecute(Integer result) { if (isDetached()) return; m_adapter.notifyDataSetChanged(); } } @Override public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) { sortFeeds(); m_enableFeedIcons = m_prefs.getBoolean("download_feed_icons", false); } public Feed getFeedAtPosition(int position) { try { return m_adapter.getItem(position); } catch (IndexOutOfBoundsException e) { return null; } } public Feed getSelectedFeed() { return m_selectedFeed; } public void setSelectedFeed(Feed feed) { m_selectedFeed = feed; m_adapter.notifyDataSetChanged(); } }