DetailsFragment.java

/* 
 * Copyright 2010-2013 Eric Kok et al.
 * 
 * Transdroid is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * Transdroid is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with Transdroid.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.transdroid.core.gui;

import android.annotation.SuppressLint;
import android.app.Fragment;
import android.content.ClipData;
import android.content.ClipboardManager;
import android.content.Context;
import android.content.Intent;
import android.net.Uri;
import android.support.v4.widget.SwipeRefreshLayout;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.ActionMenuView;
import android.view.ActionMode;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.AbsListView.MultiChoiceModeListener;
import android.widget.ListView;
import android.widget.ProgressBar;
import android.widget.TextView;

import com.nispok.snackbar.Snackbar;
import com.nispok.snackbar.SnackbarManager;
import com.nispok.snackbar.enums.SnackbarType;

import org.androidannotations.annotations.AfterViews;
import org.androidannotations.annotations.Click;
import org.androidannotations.annotations.EFragment;
import org.androidannotations.annotations.InstanceState;
import org.androidannotations.annotations.ItemClick;
import org.androidannotations.annotations.OptionsItem;
import org.androidannotations.annotations.ViewById;
import org.transdroid.R;
import org.transdroid.core.app.settings.ServerSetting;
import org.transdroid.core.app.settings.SystemSettings_;
import org.transdroid.core.gui.lists.DetailsAdapter;
import org.transdroid.core.gui.lists.SimpleListItemAdapter;
import org.transdroid.core.gui.navigation.Label;
import org.transdroid.core.gui.navigation.NavigationHelper_;
import org.transdroid.core.gui.navigation.RefreshableActivity;
import org.transdroid.core.gui.navigation.SelectionManagerMode;
import org.transdroid.core.gui.navigation.SetLabelDialog;
import org.transdroid.core.gui.navigation.SetLabelDialog.OnLabelPickedListener;
import org.transdroid.core.gui.navigation.SetStorageLocationDialog;
import org.transdroid.core.gui.navigation.SetStorageLocationDialog.OnStorageLocationUpdatedListener;
import org.transdroid.core.gui.navigation.SetTrackersDialog;
import org.transdroid.core.gui.navigation.SetTrackersDialog.OnTrackersUpdatedListener;
import org.transdroid.daemon.Daemon;
import org.transdroid.daemon.Priority;
import org.transdroid.daemon.Torrent;
import org.transdroid.daemon.TorrentDetails;
import org.transdroid.daemon.TorrentFile;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

/**
 * Fragment that shows detailed statistics about some torrent. These come from some already fetched {@link Torrent} object, but it also retrieves
 * further detailed statistics. The actual execution of tasks is performed by the activity that contains this fragment, as per the {@link
 * TorrentTasksExecutor} interface.
 * @author Eric Kok
 */
@EFragment(R.layout.fragment_details)
public class DetailsFragment extends Fragment implements OnTrackersUpdatedListener, OnLabelPickedListener, OnStorageLocationUpdatedListener {

	// Local data
	@InstanceState
	protected Torrent torrent = null;
	@InstanceState
	protected String torrentId = null;
	@InstanceState
	protected TorrentDetails torrentDetails = null;
	@InstanceState
	protected ArrayList<TorrentFile> torrentFiles = null;
	@InstanceState
	protected ArrayList<Label> currentLabels = null;
	@InstanceState
	protected boolean isLoadingTorrent = false;
	@InstanceState
	protected boolean hasCriticalError = false;
	private ServerSetting currentServerSettings = null;

	// Views
	@ViewById
	protected View detailsContainer;
	@ViewById(R.id.details_menu)
	protected ActionMenuView detailsMenu;
	@ViewById(R.id.contextual_menu)
	protected ActionMenuView contextualMenu;
	@ViewById
	protected SwipeRefreshLayout swipeRefreshLayout;
	@ViewById
	protected ListView detailsList;
	@ViewById
	protected TextView emptyText, errorText;
	@ViewById
	protected ProgressBar loadingProgress;

	@AfterViews
	protected void init() {

		// Inject menu options in the actions toolbar
		setHasOptionsMenu(true);

		// On large screens where this fragment is shown next to the torrents list, we show a continues grey vertical
		// line to separate the lists visually
		if (!NavigationHelper_.getInstance_(getActivity()).isSmallScreen()) {
			if (SystemSettings_.getInstance_(getActivity()).useDarkTheme()) {
				detailsContainer.setBackgroundResource(R.drawable.details_list_background_dark);
			} else {
				detailsContainer.setBackgroundResource(R.drawable.details_list_background_light);
			}
		}

		createMenuOptions();

		// Set up details adapter (itself containing the actual lists to show), which allows multi-select and fast
		// scrolling
		detailsList.setAdapter(new DetailsAdapter(getActivity()));
		detailsList.setMultiChoiceModeListener(onDetailsSelected);
		detailsList.setFastScrollEnabled(true);
		if (getActivity() != null && getActivity() instanceof RefreshableActivity) {
			swipeRefreshLayout.setOnRefreshListener(new SwipeRefreshLayout.OnRefreshListener() {
				@Override
				public void onRefresh() {
					((RefreshableActivity) getActivity()).refreshScreen();
					swipeRefreshLayout.setRefreshing(false); // Use our custom indicator
				}
			});
		}

		// Restore the fragment state (on orientation changes et al.)
		if (torrent != null) {
			updateTorrent(torrent);
		}
		if (torrentDetails != null) {
			updateTorrentDetails(torrent, torrentDetails);
		}
		if (torrentFiles != null) {
			updateTorrentFiles(torrent, torrentFiles);
		}

	}

	public void setCurrentServerSettings(ServerSetting serverSettings) {
		currentServerSettings = serverSettings;
	}

	/**
	 * Updates the details adapter header to show the new torrent data.
	 * @param newTorrent The new, non-null torrent object
	 */
	public void updateTorrent(Torrent newTorrent) {
		this.torrent = newTorrent;
		this.torrentId = newTorrent.getUniqueID();
		this.hasCriticalError = false;
		((DetailsAdapter) detailsList.getAdapter()).updateTorrent(newTorrent);
		// Make the list (with details header) visible
		detailsList.setVisibility(View.VISIBLE);
		emptyText.setVisibility(View.GONE);
		errorText.setVisibility(View.GONE);
		loadingProgress.setVisibility(View.GONE);
		// Also update the available actions in the action bar
		updateMenuOptions();
		// Refresh the detailed statistics (errors) and list of files
		torrentDetails = null;
		torrentFiles = null;
		if (getTasksExecutor() != null) {
			getTasksExecutor().refreshTorrentDetails(torrent);
			getTasksExecutor().refreshTorrentFiles(torrent);
		}
	}

	/**
	 * Updates the details adapter to show the list of trackers and tracker errors.
	 * @param checkTorrent The torrent for which the details were retrieved
	 * @param newTorrentDetails The new fine details object of some torrent
	 */
	public void updateTorrentDetails(Torrent checkTorrent, TorrentDetails newTorrentDetails) {
		// Check if these are actually the details of the torrent we are now showing
		if (torrentId == null || !torrentId.equals(checkTorrent.getUniqueID())) {
			return;
		}
		this.torrentDetails = newTorrentDetails;
		((DetailsAdapter) detailsList.getAdapter())
				.updateTrackers(SimpleListItemAdapter.SimpleStringItem.wrapStringsList(newTorrentDetails.getTrackers()));
		((DetailsAdapter) detailsList.getAdapter())
				.updateErrors(SimpleListItemAdapter.SimpleStringItem.wrapStringsList(newTorrentDetails.getErrors()));
	}

	/**
	 * Updates the list adapter to show a new list of torrent files, replacing the old files list.
	 * @param checkTorrent The torrent for which the details were retrieved
	 * @param newTorrentFiles The new, updated list of torrent file objects
	 */
	public void updateTorrentFiles(Torrent checkTorrent, ArrayList<TorrentFile> newTorrentFiles) {
		// Check if these are actually the details of the torrent we are now showing
		if (torrentId == null || !torrentId.equals(checkTorrent.getUniqueID())) {
			return;
		}
		Collections.sort(newTorrentFiles);
		this.torrentFiles = newTorrentFiles;
		((DetailsAdapter) detailsList.getAdapter()).updateTorrentFiles(newTorrentFiles);
	}

	/**
	 * Can be called if some outside activity returned new torrents, so we can perhaps piggyback on this by update our data as well.
	 * @param torrents The last of retrieved torrents
	 */
	public void perhapsUpdateTorrent(List<Torrent> torrents) {
		// Only try to update if we actually were showing a torrent
		if (this.torrentId == null || torrents == null) {
			return;
		}
		for (Torrent newTorrent : torrents) {
			if (newTorrent.getUniqueID().equals(torrentId)) {
				// Found, so we can update our data as well
				updateTorrent(newTorrent);
				break;
			}
		}
	}

	/**
	 * Updates the locally maintained list of labels that are active on the server. Used in the label picking dialog and should be updated every time
	 * after the list of torrents was retrieved to keep it updated.
	 * @param currentLabels The list of known server labels
	 */
	public void updateLabels(ArrayList<Label> currentLabels) {
		this.currentLabels = currentLabels == null ? null : new ArrayList<>(currentLabels);
	}

	/**
	 * Clear the screen by fully clearing the internal merge list (with header and other lists)
	 */
	public void clear() {
		detailsList.setAdapter(new DetailsAdapter(getActivity()));
		detailsList.setVisibility(View.GONE);
		emptyText.setVisibility(!isLoadingTorrent && !hasCriticalError ? View.VISIBLE : View.GONE);
		errorText.setVisibility(!isLoadingTorrent && hasCriticalError ? View.VISIBLE : View.GONE);
		loadingProgress.setVisibility(isLoadingTorrent ? View.VISIBLE : View.GONE);
		torrent = null;
		torrentDetails = null;
		torrentFiles = null;
	}

	/**
	 * Updates the shown screen depending on whether the torrent is loading
	 * @param isLoading True if the torrent is (re)loading, false otherwise
	 * @param connectionErrorMessage The error message text to show to the user, or null if there was no error
	 */
	public void updateIsLoading(boolean isLoading, String connectionErrorMessage) {
		this.isLoadingTorrent = isLoading;
		this.hasCriticalError = connectionErrorMessage != null;
		errorText.setText(connectionErrorMessage);
		if (isLoading || hasCriticalError) {
			clear();
		}
	}

	@ItemClick(resName = "details_list")
	protected void detailsListClicked(int position) {
		detailsList.setItemChecked(position, false);
	}

	public void createMenuOptions() {
		getActivity().getMenuInflater().inflate(R.menu.fragment_details, detailsMenu.getMenu());
		detailsMenu.setOnMenuItemClickListener(new ActionMenuView.OnMenuItemClickListener() {
			@Override
			public boolean onMenuItemClick(MenuItem menuItem) {
				switch (menuItem.getItemId()) {
					case R.id.action_pause:
						pauseTorrent();
						return true;
					case R.id.action_updatetrackers:
						updateTrackers();
						return true;
					case R.id.action_start_forced:
						startTorrentForced();
						return true;
					case R.id.action_remove_withdata:
						removeTorrentWithData();
						return true;
					case R.id.action_stop:
						stopTorrent();
						return true;
					case R.id.action_forcerecheck:
						setForceRecheck();
						return true;
					case R.id.action_changelocation:
						changeStorageLocation();
						return true;
					case R.id.action_start_default:
						startTorrentDefault();
						return true;
					case R.id.action_remove_default:
						removeTorrentDefault();
						return true;
					case R.id.action_start_direct:
						startTorrentDirect();
						return true;
					case R.id.action_setlabel:
						setLabel();
						return true;
					case R.id.action_resume:
						resumeTorrent();
						return true;
				}
				return false;
			}
		});
	}

	private void updateMenuOptions() {

		if (torrent == null) {
			detailsMenu.getMenu().findItem(R.id.action_resume).setVisible(false);
			detailsMenu.getMenu().findItem(R.id.action_pause).setVisible(false);
			detailsMenu.getMenu().findItem(R.id.action_start).setVisible(false);
			detailsMenu.getMenu().findItem(R.id.action_start_direct).setVisible(false);
			detailsMenu.getMenu().findItem(R.id.action_stop).setVisible(false);
			detailsMenu.getMenu().findItem(R.id.action_remove).setVisible(false);
			detailsMenu.getMenu().findItem(R.id.action_remove_withdata).setVisible(false);
			detailsMenu.getMenu().findItem(R.id.action_setlabel).setVisible(false);
			detailsMenu.getMenu().findItem(R.id.action_forcerecheck).setVisible(false);
			detailsMenu.getMenu().findItem(R.id.action_updatetrackers).setVisible(false);
			detailsMenu.getMenu().findItem(R.id.action_changelocation).setVisible(false);
			return;
		}
		// Update action availability
		boolean startStop = Daemon.supportsStoppingStarting(torrent.getDaemon());
		detailsMenu.getMenu().findItem(R.id.action_resume).setVisible(torrent.canResume());
		detailsMenu.getMenu().findItem(R.id.action_pause).setVisible(torrent.canPause());
		boolean forcedStart = Daemon.supportsForcedStarting(torrent.getDaemon());
		detailsMenu.getMenu().findItem(R.id.action_start).setVisible(startStop && forcedStart && torrent.canStart());
		detailsMenu.getMenu().findItem(R.id.action_start_direct).setVisible(startStop && !forcedStart && torrent.canStart());
		detailsMenu.getMenu().findItem(R.id.action_stop).setVisible(startStop && torrent.canStop());
		detailsMenu.getMenu().findItem(R.id.action_remove).setVisible(true);
		boolean removeWithData = Daemon.supportsRemoveWithData(torrent.getDaemon());
		detailsMenu.getMenu().findItem(R.id.action_remove_withdata).setVisible(removeWithData);
		boolean setLabel = Daemon.supportsSetLabel(torrent.getDaemon());
		detailsMenu.getMenu().findItem(R.id.action_setlabel).setVisible(setLabel);
		boolean forceRecheck = Daemon.supportsForceRecheck(torrent.getDaemon());
		detailsMenu.getMenu().findItem(R.id.action_forcerecheck).setVisible(forceRecheck);
		boolean setTrackers = Daemon.supportsSetTrackers(torrent.getDaemon());
		detailsMenu.getMenu().findItem(R.id.action_updatetrackers).setVisible(setTrackers);
		boolean setLocation = Daemon.supportsSetDownloadLocation(torrent.getDaemon());
		detailsMenu.getMenu().findItem(R.id.action_changelocation).setVisible(setLocation);

	}

	@OptionsItem(R.id.action_resume)
	protected void resumeTorrent() {
		if (getTasksExecutor() != null)
			getTasksExecutor().resumeTorrent(torrent);
	}

	@OptionsItem(R.id.action_pause)
	protected void pauseTorrent() {
		if (getTasksExecutor() != null)
			getTasksExecutor().pauseTorrent(torrent);
	}

	@OptionsItem(R.id.action_start_direct)
	protected void startTorrentDirect() {
		if (getTasksExecutor() != null)
			getTasksExecutor().startTorrent(torrent, false);
	}

	@OptionsItem(R.id.action_start_default)
	protected void startTorrentDefault() {
		if (getTasksExecutor() != null)
			getTasksExecutor().startTorrent(torrent, false);
	}

	@OptionsItem(R.id.action_start_forced)
	protected void startTorrentForced() {
		if (getTasksExecutor() != null)
			getTasksExecutor().startTorrent(torrent, true);
	}

	@OptionsItem(R.id.action_stop)
	protected void stopTorrent() {
		if (getTasksExecutor() != null)
			getTasksExecutor().stopTorrent(torrent);
	}

	@OptionsItem(R.id.action_remove_default)
	protected void removeTorrentDefault() {
		if (getTasksExecutor() != null)
			getTasksExecutor().removeTorrent(torrent, false);
	}

	@OptionsItem(R.id.action_remove_withdata)
	protected void removeTorrentWithData() {
		if (getTasksExecutor() != null)
			getTasksExecutor().removeTorrent(torrent, true);
	}

	@OptionsItem(R.id.action_setlabel)
	protected void setLabel() {
		if (currentLabels != null) {
			SetLabelDialog.show(getActivity(), this, currentLabels);
		}
	}

	@OptionsItem(R.id.action_forcerecheck)
	protected void setForceRecheck() {
		if (getTasksExecutor() != null)
			getTasksExecutor().forceRecheckTorrent(torrent);
	}

	@OptionsItem(R.id.action_updatetrackers)
	protected void updateTrackers() {
		if (torrentDetails == null) {
			SnackbarManager.show(Snackbar.with(getActivity()).text(R.string.error_stillloadingdetails));
			return;
		}
		SetTrackersDialog.show(getActivity(), this, torrentDetails.getTrackersText());
	}

	@OptionsItem(R.id.action_changelocation)
	protected void changeStorageLocation() {
		SetStorageLocationDialog.show(getActivity(), this, torrent.getLocationDir());
	}

	@Override
	public void onLabelPicked(String newLabel) {
		if (torrent == null) {
			return;
		}
		if (getTasksExecutor() != null)
			getTasksExecutor().updateLabel(torrent, newLabel);
	}

	@Override
	public void onTrackersUpdated(List<String> updatedTrackers) {
		if (torrent == null) {
			return;
		}
		if (getTasksExecutor() != null)
			getTasksExecutor().updateTrackers(torrent, updatedTrackers);
	}

	@Override
	public void onStorageLocationUpdated(String newLocation) {
		if (torrent == null) {
			return;
		}
		if (getTasksExecutor() != null)
			getTasksExecutor().updateLocation(torrent, newLocation);
	}

	@Click
	protected void emptyTextClicked() {
		// Refresh the activity (that contains this fragment) when the empty view gear is clicked
		if (getActivity() != null && getActivity() instanceof RefreshableActivity) {
			((RefreshableActivity) getActivity()).refreshScreen();
		}
	}

	@Click
	protected void errorTextClicked() {
		// Refresh the activity (that contains this fragment) when the error view gear is clicked
		if (getActivity() != null && getActivity() instanceof RefreshableActivity) {
			((RefreshableActivity) getActivity()).refreshScreen();
		}
	}

	private MultiChoiceModeListener onDetailsSelected = new MultiChoiceModeListener() {

		SelectionManagerMode selectionManagerMode;

		@Override
		public boolean onCreateActionMode(final ActionMode mode, Menu menu) {
			// Show contextual action bar to start/stop/remove/etc. torrents in batch mode
			detailsMenu.setEnabled(false);
			contextualMenu.setVisibility(View.VISIBLE);
			contextualMenu.setOnMenuItemClickListener(new ActionMenuView.OnMenuItemClickListener() {
				@Override
				public boolean onMenuItemClick(MenuItem menuItem) {
					return onActionItemClicked(mode, menuItem);
				}
			});
			contextualMenu.getMenu().clear();
			getActivity().getMenuInflater().inflate(R.menu.fragment_details_cab_main, contextualMenu.getMenu());
			Context themedContext = ((AppCompatActivity) getActivity()).getSupportActionBar().getThemedContext();
			mode.getMenuInflater().inflate(R.menu.fragment_details_cab_secondary, menu);
			selectionManagerMode = new SelectionManagerMode(themedContext, detailsList, R.plurals.navigation_filesselected);
			selectionManagerMode.setOnlyCheckClass(TorrentFile.class);
			selectionManagerMode.onCreateActionMode(mode, menu);
			return true;
		}

		@Override
		public boolean onPrepareActionMode(ActionMode mode, Menu menu) {
			selectionManagerMode.onPrepareActionMode(mode, menu);
			// Pause autorefresh
			if (getActivity() != null && getActivity() instanceof TorrentsActivity) {
				((TorrentsActivity) getActivity()).stopRefresh = true;
				((TorrentsActivity) getActivity()).stopAutoRefresh();
			}
			boolean filePaths = currentServerSettings != null && Daemon.supportsFilePaths(currentServerSettings.getType());
			contextualMenu.getMenu().findItem(R.id.action_download).setVisible(filePaths);
			boolean filePriorities = currentServerSettings != null && Daemon.supportsFilePrioritySetting(currentServerSettings.getType());
			contextualMenu.getMenu().findItem(R.id.action_priority_off).setVisible(filePriorities);
			contextualMenu.getMenu().findItem(R.id.action_priority_low).setVisible(filePriorities);
			contextualMenu.getMenu().findItem(R.id.action_priority_normal).setVisible(filePriorities);
			contextualMenu.getMenu().findItem(R.id.action_priority_high).setVisible(filePriorities);
			return true;
		}

		@SuppressLint("SdCardPath")
		@Override
		public boolean onActionItemClicked(ActionMode mode, MenuItem item) {

			// Get checked torrents
			List<TorrentFile> checked = new ArrayList<>();
			for (int i = 0; i < detailsList.getCheckedItemPositions().size(); i++) {
				if (detailsList.getCheckedItemPositions().valueAt(i) && i < detailsList.getAdapter().getCount() &&
						detailsList.getAdapter().getItem(detailsList.getCheckedItemPositions().keyAt(i)) instanceof TorrentFile) {
					checked.add((TorrentFile) detailsList.getAdapter().getItem(detailsList.getCheckedItemPositions().keyAt(i)));
				}
			}

			int itemId = item.getItemId();
			if (itemId == R.id.action_download) {

				if (checked.size() < 1 || currentServerSettings == null) {
					return true;
				}
				String urlBase = currentServerSettings.getFtpUrl();
				if (urlBase == null || urlBase.equals("")) {
					urlBase = "ftp://" + currentServerSettings.getAddress();
				}

				// Try using AndFTP intents
				Intent andftpStart = new Intent(Intent.ACTION_PICK);
				andftpStart.setDataAndType(Uri.parse(urlBase), "vnd.android.cursor.dir/lysesoft.andftp.uri");
				andftpStart.putExtra("command_type", "download");
				andftpStart.putExtra("ftp_pasv", "true");
				if (Uri.parse(urlBase).getUserInfo() != null) {
					andftpStart.putExtra("ftp_username", Uri.parse(urlBase).getUserInfo());
				} else {
					andftpStart.putExtra("ftp_username", currentServerSettings.getUsername());
				}
				if (currentServerSettings.getFtpPassword() != null && !currentServerSettings.getFtpPassword().equals("")) {
					andftpStart.putExtra("ftp_password", currentServerSettings.getFtpPassword());
				} else {
					andftpStart.putExtra("ftp_password", currentServerSettings.getPassword());
				}
				// Note: AndFTP doesn't understand the directory that Environment.getExternalStoragePublicDirectory()
				// uses :(
				andftpStart.putExtra("local_folder", "/sdcard/Download");
				for (int f = 0; f < checked.size(); f++) {
					String file = checked.get(f).getRelativePath();
					if (file != null) {
						// If the file is directly in the root, AndFTP fails if we supply the proper path (like
						// /file.pdf)
						// Work around this bug by removing the leading / if no further directories are used in the path
						if (file.startsWith("/") && file.indexOf("/", 1) < 0) {
							file = file.substring(1);
						}
						andftpStart.putExtra("remote_file" + (f + 1), file);
					}
				}
				if (andftpStart.resolveActivity(getActivity().getPackageManager()) != null) {
					startActivity(andftpStart);
					mode.finish();
					return true;
				}

				// Try using a VIEW intent given an ftp:// scheme URI
				String url = urlBase + checked.get(0).getFullPath();
				Intent simpleStart = new Intent(Intent.ACTION_VIEW, Uri.parse(url)).setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
				if (simpleStart.resolveActivity(getActivity().getPackageManager()) != null) {
					startActivity(simpleStart);
					mode.finish();
					return true;
				}

				// No app is available that can handle FTP downloads
				SnackbarManager.show(Snackbar.with(getActivity()).text(getString(R.string.error_noftpapp, url)).type(SnackbarType.MULTI_LINE)
						.colorResource(R.color.red));
				mode.finish();
				return true;

			} else if (itemId == R.id.action_copytoclipboard) {

				StringBuilder names = new StringBuilder();
				for (int f = 0; f < checked.size(); f++) {
					if (f != 0) {
						names.append("\n");
					}
					names.append(checked.get(f).getName());
				}
				ClipboardManager clipboardManager = (ClipboardManager) getActivity().getSystemService(Context.CLIPBOARD_SERVICE);
				clipboardManager.setPrimaryClip(ClipData.newPlainText("Transdroid", names.toString()));
				mode.finish();
				return true;

			} else {
				Priority priority = Priority.Off;
				if (itemId == R.id.action_priority_low) {
					priority = Priority.Low;
				}
				if (itemId == R.id.action_priority_normal) {
					priority = Priority.Normal;
				}
				if (itemId == R.id.action_priority_high) {
					priority = Priority.High;
				}
				if (getTasksExecutor() != null)
					getTasksExecutor().updatePriority(torrent, checked, priority);
				mode.finish();
				return true;
			}
		}

		@Override
		public void onItemCheckedStateChanged(ActionMode mode, int position, long id, boolean checked) {
			selectionManagerMode.onItemCheckedStateChanged(mode, position, id, checked);
		}

		@Override
		public void onDestroyActionMode(ActionMode mode) {
			// Resume autorefresh
			if (getActivity() != null && getActivity() instanceof TorrentsActivity) {
				((TorrentsActivity) getActivity()).stopRefresh = false;
				((TorrentsActivity) getActivity()).startAutoRefresh();
			}
			selectionManagerMode.onDestroyActionMode(mode);
			contextualMenu.setVisibility(View.GONE);
			detailsMenu.setEnabled(true);
		}

	};

	/**
	 * Returns the object responsible for executing torrent tasks against a connected server
	 * @return The executor for tasks on some torrent
	 */
	private TorrentTasksExecutor getTasksExecutor() {
		// NOTE: Assumes the activity implements all the required torrent tasks
		return (TorrentTasksExecutor) getActivity();
	}

}