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/*
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* Copyright 2010-2018 Eric Kok et al.
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*
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* Transdroid is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Transdroid is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Transdroid. If not, see <http://www.gnu.org/licenses/>.
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*/
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package org.transdroid.core.gui.rss;
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import android.app.AlertDialog;
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import android.app.SearchManager;
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import android.content.ClipData;
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import android.content.ClipboardManager;
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import android.content.Context;
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import android.content.Intent;
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import android.net.Uri;
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import androidx.fragment.app.Fragment;
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import androidx.appcompat.app.AppCompatActivity;
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import android.text.TextUtils;
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import android.view.ActionMode;
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import android.view.Menu;
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import android.view.MenuItem;
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import android.view.View;
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import android.widget.AbsListView.MultiChoiceModeListener;
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import android.widget.ListView;
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import android.widget.TextView;
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import android.widget.Toast;
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import com.nispok.snackbar.Snackbar;
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import com.nispok.snackbar.SnackbarManager;
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import org.androidannotations.annotations.AfterViews;
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import org.androidannotations.annotations.Bean;
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import org.androidannotations.annotations.EFragment;
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import org.androidannotations.annotations.InstanceState;
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import org.androidannotations.annotations.ItemClick;
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import org.androidannotations.annotations.ViewById;
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import org.transdroid.R;
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import org.transdroid.core.gui.TorrentsActivity_;
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import org.transdroid.core.gui.navigation.NavigationHelper;
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import org.transdroid.core.gui.navigation.SelectionManagerMode;
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import org.transdroid.core.gui.search.SearchActivity_;
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import org.transdroid.core.rssparser.Channel;
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import org.transdroid.core.rssparser.Item;
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import java.util.ArrayList;
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import java.util.List;
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/**
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* Fragment that lists the items in a specific RSS feed
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*
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* @author Eric Kok
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*/
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@EFragment(R.layout.fragment_rssitems)
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public class RssItemsFragment extends Fragment {
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@InstanceState
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protected Channel rssFeed = null;
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@InstanceState
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protected boolean hasError = false;
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@InstanceState
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protected boolean requiresExternalAuthentication = false;
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@Bean
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protected NavigationHelper navigationHelper;
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// Views
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@ViewById(R.id.rssitems_list)
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protected ListView rssItemsList;
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private MultiChoiceModeListener onItemsSelected = new MultiChoiceModeListener() {
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SelectionManagerMode selectionManagerMode;
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@Override
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public boolean onCreateActionMode(ActionMode mode, Menu menu) {
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// Show contextual action bar to add items in batch mode
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mode.getMenuInflater().inflate(R.menu.fragment_rssitems_cab, menu);
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Context themedContext = ((AppCompatActivity) getActivity()).getSupportActionBar().getThemedContext();
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selectionManagerMode = new SelectionManagerMode(themedContext, rssItemsList, R.plurals.rss_itemsselected);
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selectionManagerMode.onCreateActionMode(mode, menu);
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return true;
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}
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@Override
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public boolean onPrepareActionMode(ActionMode mode, Menu menu) {
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return selectionManagerMode.onPrepareActionMode(mode, menu);
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}
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public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
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// Get checked torrents
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List<Item> checked = new ArrayList<>();
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for (int i = 0; i < rssItemsList.getCheckedItemPositions().size(); i++) {
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if (rssItemsList.getCheckedItemPositions().valueAt(i)) {
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checked.add(rssitemsAdapter.getItem(rssItemsList.getCheckedItemPositions().keyAt(i)));
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}
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}
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int itemId = item.getItemId();
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if (itemId == R.id.action_addall) {
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// Start an Intent that adds multiple items at once, by supplying the urls and titles as string array
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// extras and setting the Intent action to ADD_MULTIPLE
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Intent intent = new Intent("org.transdroid.ADD_MULTIPLE");
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String[] urls = new String[checked.size()];
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String[] titles = new String[checked.size()];
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for (int i = 0; i < checked.size(); i++) {
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urls[i] = checked.get(i).getTheLink();
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titles[i] = checked.get(i).getTitle();
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}
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intent.putExtra("TORRENT_URLS", urls);
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intent.putExtra("TORRENT_TITLES", titles);
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startActivity(intent);
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mode.finish();
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return true;
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} else if (itemId == R.id.action_copytoclipboard) {
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StringBuilder names = new StringBuilder();
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for (int f = 0; f < checked.size(); f++) {
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if (f != 0) {
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names.append("\n");
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}
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names.append(checked.get(f).getTitle());
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}
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ClipboardManager clipboardManager = (ClipboardManager) getActivity().getSystemService(Context.CLIPBOARD_SERVICE);
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clipboardManager.setPrimaryClip(ClipData.newPlainText("Transdroid", names.toString()));
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mode.finish();
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return true;
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} else {
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// The other items only operate on one (the first) selected item
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if (checked.size() < 1) {
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return false;
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}
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final Item first = checked.get(0);
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if (itemId == R.id.action_showdetails) {
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// Show a dialog box with the RSS item description text
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new AlertDialog.Builder(getActivity()).setMessage(first.getDescription())
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.setPositiveButton(R.string.action_close, null).show();
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} else if (itemId == R.id.action_openwebsite) {
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// Open the browser to show the website contained in the item's link tag
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Toast.makeText(getActivity(), getString(R.string.search_openingdetails, first.getTitle()), Toast.LENGTH_LONG).show();
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if (!TextUtils.isEmpty(first.getLink())) {
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startActivity(new Intent(Intent.ACTION_VIEW, Uri.parse(first.getLink())));
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} else {
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// No URL was specified in the RSS feed item link tag (or no link tag was present)
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SnackbarManager.show(Snackbar.with(getActivity()).text(R.string.error_no_link).colorResource(R.color.red));
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}
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} else if (itemId == R.id.action_useassearch) {
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// Use the RSS item title to start a new search (mimicking the search manager style)
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Intent search = SearchActivity_.intent(getActivity()).get();
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search.setAction(Intent.ACTION_SEARCH);
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search.putExtra(SearchManager.QUERY, first.getTitle());
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startActivity(search);
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}
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mode.finish();
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return true;
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}
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}
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@Override
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public void onItemCheckedStateChanged(ActionMode mode, int position, long id, boolean checked) {
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selectionManagerMode.onItemCheckedStateChanged(mode, position, id, checked);
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}
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@Override
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public void onDestroyActionMode(ActionMode mode) {
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selectionManagerMode.onDestroyActionMode(mode);
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}
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};
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@Bean
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protected RssitemsAdapter rssitemsAdapter;
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@ViewById
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protected TextView emptyText;
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@AfterViews
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protected void init() {
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// Set up the list adapter, which allows multi-select
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rssItemsList.setAdapter(rssitemsAdapter);
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rssItemsList.setMultiChoiceModeListener(onItemsSelected);
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update(rssFeed, hasError, requiresExternalAuthentication);
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}
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/**
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* Update the shown RSS items in the list.
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*
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* @param channel The loaded RSS content channel object
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* @param hasError True if there were errors in loading the channel, in which case an error text is shown; false otherwise
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* @param requiresExternalAuthentication Whether this RSS feed requires external authentication and should thus be redirected to a browser
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*/
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public void update(Channel channel, boolean hasError, boolean requiresExternalAuthentication) {
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this.requiresExternalAuthentication = requiresExternalAuthentication;
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rssitemsAdapter.update(channel);
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rssItemsList.setVisibility(View.GONE);
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emptyText.setVisibility(View.VISIBLE);
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if (hasError) {
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emptyText.setText(R.string.rss_error);
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return;
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}
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if (channel == null) {
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emptyText.setText(R.string.rss_noselection);
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return;
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}
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if (channel.getItems().size() == 0) {
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emptyText.setText(R.string.rss_empty);
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return;
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}
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rssItemsList.setVisibility(View.VISIBLE);
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emptyText.setVisibility(View.INVISIBLE);
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}
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@ItemClick(resName = "rssitems_list")
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protected void onItemClicked(Item item) {
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if (requiresExternalAuthentication) {
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// Redirect to the browser, as this feed requires cookie authentication which we piggy-back on using the browser cookies
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navigationHelper.forceOpenInBrowser(item.getTheLinkUri());
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return;
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}
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// Don't broadcast this intent; we can safely assume this is intended for Transdroid only
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Intent i = TorrentsActivity_.intent(getActivity()).get();
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i.setData(item.getTheLinkUri());
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i.putExtra("TORRENT_TITLE", item.getTitle());
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startActivity(i);
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}
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}
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