1package eu.siacs.conversations.ui;
   2
   3import android.Manifest;
   4import android.annotation.SuppressLint;
   5import android.app.Dialog;
   6import android.app.PendingIntent;
   7import android.content.ActivityNotFoundException;
   8import android.content.Context;
   9import android.content.Intent;
  10import android.content.SharedPreferences;
  11import android.content.pm.PackageManager;
  12import android.databinding.DataBindingUtil;
  13import android.net.Uri;
  14import android.os.Build;
  15import android.os.Bundle;
  16import android.support.annotation.DrawableRes;
  17import android.support.annotation.NonNull;
  18import android.support.annotation.Nullable;
  19import android.support.v4.app.Fragment;
  20import android.support.v4.app.FragmentManager;
  21import android.support.v4.app.FragmentTransaction;
  22import android.support.v4.app.ListFragment;
  23import android.support.v4.view.PagerAdapter;
  24import android.support.v4.view.ViewPager;
  25import android.support.v7.app.ActionBar;
  26import android.support.v7.app.AlertDialog;
  27import android.support.v7.widget.Toolbar;
  28import android.text.Editable;
  29import android.text.SpannableString;
  30import android.text.Spanned;
  31import android.text.TextWatcher;
  32import android.text.style.TypefaceSpan;
  33import android.util.Log;
  34import android.util.Pair;
  35import android.view.ContextMenu;
  36import android.view.ContextMenu.ContextMenuInfo;
  37import android.view.KeyEvent;
  38import android.view.Menu;
  39import android.view.MenuItem;
  40import android.view.View;
  41import android.view.ViewGroup;
  42import android.view.inputmethod.InputMethodManager;
  43import android.widget.AdapterView;
  44import android.widget.AdapterView.AdapterContextMenuInfo;
  45import android.widget.ArrayAdapter;
  46import android.widget.AutoCompleteTextView;
  47import android.widget.CheckBox;
  48import android.widget.EditText;
  49import android.widget.ListView;
  50import android.widget.Spinner;
  51import android.widget.TextView;
  52import android.widget.Toast;
  53
  54import java.util.ArrayList;
  55import java.util.Arrays;
  56import java.util.Collections;
  57import java.util.List;
  58import java.util.concurrent.atomic.AtomicBoolean;
  59
  60import eu.siacs.conversations.Config;
  61import eu.siacs.conversations.R;
  62import eu.siacs.conversations.databinding.ActivityStartConversationBinding;
  63import eu.siacs.conversations.entities.Account;
  64import eu.siacs.conversations.entities.Bookmark;
  65import eu.siacs.conversations.entities.Contact;
  66import eu.siacs.conversations.entities.Conversation;
  67import eu.siacs.conversations.entities.ListItem;
  68import eu.siacs.conversations.entities.Presence;
  69import eu.siacs.conversations.services.XmppConnectionService;
  70import eu.siacs.conversations.services.XmppConnectionService.OnRosterUpdate;
  71import eu.siacs.conversations.ui.adapter.ListItemAdapter;
  72import eu.siacs.conversations.ui.interfaces.OnBackendConnected;
  73import eu.siacs.conversations.ui.service.EmojiService;
  74import eu.siacs.conversations.ui.util.JidDialog;
  75import eu.siacs.conversations.ui.util.MenuDoubleTabUtil;
  76import eu.siacs.conversations.ui.util.PendingItem;
  77import eu.siacs.conversations.ui.util.SoftKeyboardUtils;
  78import eu.siacs.conversations.utils.AccountUtils;
  79import eu.siacs.conversations.utils.XmppUri;
  80import eu.siacs.conversations.xmpp.OnUpdateBlocklist;
  81import eu.siacs.conversations.xmpp.XmppConnection;
  82import rocks.xmpp.addr.Jid;
  83
  84public class StartConversationActivity extends XmppActivity implements XmppConnectionService.OnConversationUpdate, OnRosterUpdate, OnUpdateBlocklist, CreateConferenceDialog.CreateConferenceDialogListener, JoinConferenceDialog.JoinConferenceDialogListener {
  85
  86	public static final String EXTRA_INVITE_URI = "eu.siacs.conversations.invite_uri";
  87
  88	private final int REQUEST_SYNC_CONTACTS = 0x28cf;
  89	private final int REQUEST_CREATE_CONFERENCE = 0x39da;
  90	private final PendingItem<Intent> pendingViewIntent = new PendingItem<>();
  91	private final PendingItem<String> mInitialSearchValue = new PendingItem<>();
  92	private final AtomicBoolean oneShotKeyboardSuppress = new AtomicBoolean();
  93	public int conference_context_id;
  94	public int contact_context_id;
  95	private ListPagerAdapter mListPagerAdapter;
  96	private List<ListItem> contacts = new ArrayList<>();
  97	private ListItemAdapter mContactsAdapter;
  98	private List<ListItem> conferences = new ArrayList<>();
  99	private ListItemAdapter mConferenceAdapter;
 100	private List<String> mActivatedAccounts = new ArrayList<>();
 101	private EditText mSearchEditText;
 102	private AtomicBoolean mRequestedContactsPermission = new AtomicBoolean(false);
 103	private boolean mHideOfflineContacts = false;
 104	private MenuItem.OnActionExpandListener mOnActionExpandListener = new MenuItem.OnActionExpandListener() {
 105
 106		@Override
 107		public boolean onMenuItemActionExpand(MenuItem item) {
 108			mSearchEditText.post(() -> {
 109				updateSearchViewHint();
 110				mSearchEditText.requestFocus();
 111				if (oneShotKeyboardSuppress.compareAndSet(true, false)) {
 112					return;
 113				}
 114				InputMethodManager imm = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
 115				if (imm != null) {
 116					imm.showSoftInput(mSearchEditText, InputMethodManager.SHOW_IMPLICIT);
 117				}
 118			});
 119
 120			return true;
 121		}
 122
 123		@Override
 124		public boolean onMenuItemActionCollapse(MenuItem item) {
 125			SoftKeyboardUtils.hideSoftKeyboard(StartConversationActivity.this);
 126			mSearchEditText.setText("");
 127			filter(null);
 128			return true;
 129		}
 130	};
 131	private TextWatcher mSearchTextWatcher = new TextWatcher() {
 132
 133		@Override
 134		public void afterTextChanged(Editable editable) {
 135			filter(editable.toString());
 136		}
 137
 138		@Override
 139		public void beforeTextChanged(CharSequence s, int start, int count, int after) {
 140		}
 141
 142		@Override
 143		public void onTextChanged(CharSequence s, int start, int before, int count) {
 144		}
 145	};
 146	private MenuItem mMenuSearchView;
 147	private ListItemAdapter.OnTagClickedListener mOnTagClickedListener = new ListItemAdapter.OnTagClickedListener() {
 148		@Override
 149		public void onTagClicked(String tag) {
 150			if (mMenuSearchView != null) {
 151				mMenuSearchView.expandActionView();
 152				mSearchEditText.setText("");
 153				mSearchEditText.append(tag);
 154				filter(tag);
 155			}
 156		}
 157	};
 158	private Pair<Integer, Intent> mPostponedActivityResult;
 159	private Toast mToast;
 160	private UiCallback<Conversation> mAdhocConferenceCallback = new UiCallback<Conversation>() {
 161		@Override
 162		public void success(final Conversation conversation) {
 163			runOnUiThread(() -> {
 164				hideToast();
 165				switchToConversation(conversation);
 166			});
 167		}
 168
 169		@Override
 170		public void error(final int errorCode, Conversation object) {
 171			runOnUiThread(() -> replaceToast(getString(errorCode)));
 172		}
 173
 174		@Override
 175		public void userInputRequried(PendingIntent pi, Conversation object) {
 176
 177		}
 178	};
 179	private ActivityStartConversationBinding binding;
 180	private TextView.OnEditorActionListener mSearchDone = new TextView.OnEditorActionListener() {
 181		@Override
 182		public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
 183			int pos = binding.startConversationViewPager.getCurrentItem();
 184			if (pos == 0) {
 185				if (contacts.size() == 1) {
 186					openConversationForContact((Contact) contacts.get(0));
 187					return true;
 188				} else if (contacts.size() == 0 && conferences.size() == 1) {
 189					openConversationsForBookmark((Bookmark) conferences.get(0));
 190					return true;
 191				}
 192			} else {
 193				if (conferences.size() == 1) {
 194					openConversationsForBookmark((Bookmark) conferences.get(0));
 195					return true;
 196				} else if (conferences.size() == 0 && contacts.size() == 1) {
 197					openConversationForContact((Contact) contacts.get(0));
 198					return true;
 199				}
 200			}
 201			SoftKeyboardUtils.hideSoftKeyboard(StartConversationActivity.this);
 202			mListPagerAdapter.requestFocus(pos);
 203			return true;
 204		}
 205	};
 206	private ViewPager.SimpleOnPageChangeListener mOnPageChangeListener = new ViewPager.SimpleOnPageChangeListener() {
 207		@Override
 208		public void onPageSelected(int position) {
 209			onTabChanged();
 210		}
 211	};
 212
 213	public static void populateAccountSpinner(Context context, List<String> accounts, Spinner spinner) {
 214		if (accounts.size() > 0) {
 215			ArrayAdapter<String> adapter = new ArrayAdapter<>(context, R.layout.simple_list_item, accounts);
 216			adapter.setDropDownViewResource(R.layout.simple_list_item);
 217			spinner.setAdapter(adapter);
 218			spinner.setEnabled(true);
 219		} else {
 220			ArrayAdapter<String> adapter = new ArrayAdapter<>(context,
 221					R.layout.simple_list_item,
 222					Arrays.asList(context.getString(R.string.no_accounts)));
 223			adapter.setDropDownViewResource(R.layout.simple_list_item);
 224			spinner.setAdapter(adapter);
 225			spinner.setEnabled(false);
 226		}
 227	}
 228
 229	public static void launch(Context context) {
 230		final Intent intent = new Intent(context, StartConversationActivity.class);
 231		context.startActivity(intent);
 232	}
 233
 234	private static Intent createLauncherIntent(Context context) {
 235		final Intent intent = new Intent(context, StartConversationActivity.class);
 236		intent.setAction(Intent.ACTION_MAIN);
 237		intent.addCategory(Intent.CATEGORY_LAUNCHER);
 238		return intent;
 239	}
 240
 241	private static boolean isViewIntent(final Intent i) {
 242		return i != null && (Intent.ACTION_VIEW.equals(i.getAction()) || Intent.ACTION_SENDTO.equals(i.getAction()) || i.hasExtra(EXTRA_INVITE_URI));
 243	}
 244
 245	protected void hideToast() {
 246		if (mToast != null) {
 247			mToast.cancel();
 248		}
 249	}
 250
 251	protected void replaceToast(String msg) {
 252		hideToast();
 253		mToast = Toast.makeText(this, msg, Toast.LENGTH_LONG);
 254		mToast.show();
 255	}
 256
 257	@Override
 258	public void onRosterUpdate() {
 259		this.refreshUi();
 260	}
 261
 262	@Override
 263	public void onCreate(Bundle savedInstanceState) {
 264		super.onCreate(savedInstanceState);
 265		new EmojiService(this).init();
 266		this.binding = DataBindingUtil.setContentView(this, R.layout.activity_start_conversation);
 267		Toolbar toolbar = (Toolbar) binding.toolbar;
 268		setSupportActionBar(toolbar);
 269		configureActionBar(getSupportActionBar());
 270		this.binding.fab.setOnClickListener((v) -> {
 271			if (binding.startConversationViewPager.getCurrentItem() == 0) {
 272				String searchString = mSearchEditText != null ? mSearchEditText.getText().toString() : null;
 273				if (searchString != null && !searchString.trim().isEmpty()) {
 274					try {
 275						Jid jid = Jid.of(searchString);
 276						if (jid.getLocal() != null && jid.isBareJid() && jid.getDomain().contains(".")) {
 277							showCreateContactDialog(jid.toString(), null);
 278							return;
 279						}
 280					} catch (IllegalArgumentException ignored) {
 281						//ignore and fall through
 282					}
 283				}
 284				showCreateContactDialog(null, null);
 285			} else {
 286				showCreateConferenceDialog();
 287			}
 288		});
 289		binding.tabLayout.setupWithViewPager(binding.startConversationViewPager);
 290		binding.startConversationViewPager.addOnPageChangeListener(mOnPageChangeListener);
 291		mListPagerAdapter = new ListPagerAdapter(getSupportFragmentManager());
 292		binding.startConversationViewPager.setAdapter(mListPagerAdapter);
 293
 294		mConferenceAdapter = new ListItemAdapter(this, conferences);
 295		mContactsAdapter = new ListItemAdapter(this, contacts);
 296		mContactsAdapter.setOnTagClickedListener(this.mOnTagClickedListener);
 297
 298		final SharedPreferences preferences = getPreferences();
 299
 300		this.mHideOfflineContacts = preferences.getBoolean("hide_offline", false);
 301
 302		final boolean startSearching = preferences.getBoolean("start_searching",getResources().getBoolean(R.bool.start_searching));
 303
 304		final Intent intent;
 305		if (savedInstanceState == null) {
 306			intent = getIntent();
 307		} else {
 308			final String search = savedInstanceState.getString("search");
 309			if (search != null) {
 310				mInitialSearchValue.push(search);
 311			}
 312			intent = savedInstanceState.getParcelable("intent");
 313		}
 314
 315		if (isViewIntent(intent)) {
 316			pendingViewIntent.push(intent);
 317			setIntent(createLauncherIntent(this));
 318		} else if (startSearching && mInitialSearchValue.peek() == null) {
 319			mInitialSearchValue.push("");
 320		}
 321	}
 322
 323	@Override
 324	public void onSaveInstanceState(Bundle savedInstanceState) {
 325		Intent pendingIntent = pendingViewIntent.peek();
 326		savedInstanceState.putParcelable("intent", pendingIntent != null ? pendingIntent : getIntent());
 327		if (mMenuSearchView != null && mMenuSearchView.isActionViewExpanded()) {
 328			savedInstanceState.putString("search", mSearchEditText != null ? mSearchEditText.getText().toString() : null);
 329		}
 330		super.onSaveInstanceState(savedInstanceState);
 331	}
 332
 333	@Override
 334	public void onStart() {
 335		super.onStart();
 336		final int theme = findTheme();
 337		if (this.mTheme != theme) {
 338			recreate();
 339		} else {
 340			if (pendingViewIntent.peek() == null) {
 341				askForContactsPermissions();
 342			}
 343		}
 344		mConferenceAdapter.refreshSettings();
 345		mContactsAdapter.refreshSettings();
 346	}
 347
 348	@Override
 349	public void onNewIntent(final Intent intent) {
 350		if (xmppConnectionServiceBound) {
 351			processViewIntent(intent);
 352		} else {
 353			pendingViewIntent.push(intent);
 354		}
 355		setIntent(createLauncherIntent(this));
 356	}
 357
 358	protected void openConversationForContact(int position) {
 359		Contact contact = (Contact) contacts.get(position);
 360		openConversationForContact(contact);
 361	}
 362
 363	protected void openConversationForContact(Contact contact) {
 364		Conversation conversation = xmppConnectionService.findOrCreateConversation(contact.getAccount(), contact.getJid(), false, true);
 365		SoftKeyboardUtils.hideSoftKeyboard(this);
 366		switchToConversation(conversation);
 367	}
 368
 369	protected void openConversationForBookmark() {
 370		openConversationForBookmark(conference_context_id);
 371	}
 372
 373	protected void openConversationForBookmark(int position) {
 374		Bookmark bookmark = (Bookmark) conferences.get(position);
 375		openConversationsForBookmark(bookmark);
 376	}
 377
 378	protected void shareBookmarkUri() {
 379		shareBookmarkUri(conference_context_id);
 380	}
 381
 382	protected void shareBookmarkUri(int position) {
 383		Bookmark bookmark = (Bookmark) conferences.get(position);
 384		Intent shareIntent = new Intent();
 385		shareIntent.setAction(Intent.ACTION_SEND);
 386		shareIntent.putExtra(Intent.EXTRA_TEXT, "xmpp:" + bookmark.getJid().asBareJid().toEscapedString() + "?join");
 387		shareIntent.setType("text/plain");
 388		try {
 389			startActivity(Intent.createChooser(shareIntent, getText(R.string.share_uri_with)));
 390		} catch (ActivityNotFoundException e) {
 391			Toast.makeText(this, R.string.no_application_to_share_uri, Toast.LENGTH_SHORT).show();
 392		}
 393	}
 394
 395	protected void openConversationsForBookmark(Bookmark bookmark) {
 396		Jid jid = bookmark.getJid();
 397		if (jid == null) {
 398			Toast.makeText(this, R.string.invalid_jid, Toast.LENGTH_SHORT).show();
 399			return;
 400		}
 401		Conversation conversation = xmppConnectionService.findOrCreateConversation(bookmark.getAccount(), jid, true, true, true);
 402		bookmark.setConversation(conversation);
 403		if (!bookmark.autojoin() && getPreferences().getBoolean("autojoin", getResources().getBoolean(R.bool.autojoin))) {
 404			bookmark.setAutojoin(true);
 405			xmppConnectionService.pushBookmarks(bookmark.getAccount());
 406		}
 407		SoftKeyboardUtils.hideSoftKeyboard(this);
 408		switchToConversation(conversation);
 409	}
 410
 411	protected void openDetailsForContact() {
 412		int position = contact_context_id;
 413		Contact contact = (Contact) contacts.get(position);
 414		switchToContactDetails(contact);
 415	}
 416
 417	protected void showQrForContact() {
 418		int position = contact_context_id;
 419		Contact contact = (Contact) contacts.get(position);
 420		showQrCode("xmpp:"+contact.getJid().asBareJid().toEscapedString());
 421	}
 422
 423	protected void toggleContactBlock() {
 424		final int position = contact_context_id;
 425		BlockContactDialog.show(this, (Contact) contacts.get(position));
 426	}
 427
 428	protected void deleteContact() {
 429		final int position = contact_context_id;
 430		final Contact contact = (Contact) contacts.get(position);
 431		final AlertDialog.Builder builder = new AlertDialog.Builder(this);
 432		builder.setNegativeButton(R.string.cancel, null);
 433		builder.setTitle(R.string.action_delete_contact);
 434		builder.setMessage(JidDialog.style(this, R.string.remove_contact_text, contact.getJid().toEscapedString()));
 435		builder.setPositiveButton(R.string.delete, (dialog, which) -> {
 436			xmppConnectionService.deleteContactOnServer(contact);
 437			filter(mSearchEditText.getText().toString());
 438		});
 439		builder.create().show();
 440	}
 441
 442	protected void deleteConference() {
 443		int position = conference_context_id;
 444		final Bookmark bookmark = (Bookmark) conferences.get(position);
 445
 446		AlertDialog.Builder builder = new AlertDialog.Builder(this);
 447		builder.setNegativeButton(R.string.cancel, null);
 448		builder.setTitle(R.string.delete_bookmark);
 449		builder.setMessage(JidDialog.style(this, R.string.remove_bookmark_text, bookmark.getJid().toEscapedString()));
 450		builder.setPositiveButton(R.string.delete, (dialog, which) -> {
 451			bookmark.setConversation(null);
 452			Account account = bookmark.getAccount();
 453			account.getBookmarks().remove(bookmark);
 454			xmppConnectionService.pushBookmarks(account);
 455			filter(mSearchEditText.getText().toString());
 456		});
 457		builder.create().show();
 458
 459	}
 460
 461	@SuppressLint("InflateParams")
 462	protected void showCreateContactDialog(final String prefilledJid, final Invite invite) {
 463		FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
 464		Fragment prev = getSupportFragmentManager().findFragmentByTag(FRAGMENT_TAG_DIALOG);
 465		if (prev != null) {
 466			ft.remove(prev);
 467		}
 468		ft.addToBackStack(null);
 469		EnterJidDialog dialog = EnterJidDialog.newInstance(
 470				mActivatedAccounts,
 471				getString(R.string.dialog_title_create_contact),
 472				getString(R.string.create),
 473				prefilledJid,
 474				null,
 475				invite == null || !invite.hasFingerprints()
 476		);
 477
 478		dialog.setOnEnterJidDialogPositiveListener((accountJid, contactJid) -> {
 479			if (!xmppConnectionServiceBound) {
 480				return false;
 481			}
 482
 483			final Account account = xmppConnectionService.findAccountByJid(accountJid);
 484			if (account == null) {
 485				return true;
 486			}
 487
 488			final Contact contact = account.getRoster().getContact(contactJid);
 489			if (invite != null && invite.getName() != null) {
 490				contact.setServerName(invite.getName());
 491			}
 492			if (contact.isSelf()) {
 493				switchToConversation(contact);
 494				return true;
 495			} else if (contact.showInRoster()) {
 496				throw new EnterJidDialog.JidError(getString(R.string.contact_already_exists));
 497			} else {
 498				xmppConnectionService.createContact(contact, true);
 499				if (invite != null && invite.hasFingerprints()) {
 500					xmppConnectionService.verifyFingerprints(contact, invite.getFingerprints());
 501				}
 502				switchToConversationDoNotAppend(contact, invite == null ? null : invite.getBody());
 503				return true;
 504			}
 505		});
 506		dialog.show(ft, FRAGMENT_TAG_DIALOG);
 507	}
 508
 509	@SuppressLint("InflateParams")
 510	protected void showJoinConferenceDialog(final String prefilledJid) {
 511		FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
 512		Fragment prev = getSupportFragmentManager().findFragmentByTag(FRAGMENT_TAG_DIALOG);
 513		if (prev != null) {
 514			ft.remove(prev);
 515		}
 516		ft.addToBackStack(null);
 517		JoinConferenceDialog joinConferenceFragment = JoinConferenceDialog.newInstance(prefilledJid, mActivatedAccounts);
 518		joinConferenceFragment.show(ft, FRAGMENT_TAG_DIALOG);
 519	}
 520
 521	private void showCreateConferenceDialog() {
 522		FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
 523		Fragment prev = getSupportFragmentManager().findFragmentByTag(FRAGMENT_TAG_DIALOG);
 524		if (prev != null) {
 525			ft.remove(prev);
 526		}
 527		ft.addToBackStack(null);
 528		CreateConferenceDialog createConferenceFragment = CreateConferenceDialog.newInstance(mActivatedAccounts);
 529		createConferenceFragment.show(ft, FRAGMENT_TAG_DIALOG);
 530	}
 531
 532	private Account getSelectedAccount(Spinner spinner) {
 533		if (!spinner.isEnabled()) {
 534			return null;
 535		}
 536		Jid jid;
 537		try {
 538			if (Config.DOMAIN_LOCK != null) {
 539				jid = Jid.of((String) spinner.getSelectedItem(), Config.DOMAIN_LOCK, null);
 540			} else {
 541				jid = Jid.of((String) spinner.getSelectedItem());
 542			}
 543		} catch (final IllegalArgumentException e) {
 544			return null;
 545		}
 546		return xmppConnectionService.findAccountByJid(jid);
 547	}
 548
 549	protected void switchToConversation(Contact contact) {
 550		Conversation conversation = xmppConnectionService.findOrCreateConversation(contact.getAccount(), contact.getJid(), false, true);
 551		switchToConversation(conversation);
 552	}
 553
 554	protected void switchToConversationDoNotAppend(Contact contact, String body) {
 555		Conversation conversation = xmppConnectionService.findOrCreateConversation(contact.getAccount(), contact.getJid(), false, true);
 556		switchToConversationDoNotAppend(conversation, body);
 557	}
 558
 559	@Override
 560	public void invalidateOptionsMenu() {
 561		boolean isExpanded = mMenuSearchView != null && mMenuSearchView.isActionViewExpanded();
 562		String text = mSearchEditText != null ? mSearchEditText.getText().toString() : "";
 563		if (isExpanded) {
 564			mInitialSearchValue.push(text);
 565			oneShotKeyboardSuppress.set(true);
 566		}
 567		super.invalidateOptionsMenu();
 568	}
 569
 570	private void updateSearchViewHint() {
 571		if (binding == null || mSearchEditText == null) {
 572			return;
 573		}
 574		if (binding.startConversationViewPager.getCurrentItem() == 0) {
 575			mSearchEditText.setHint(R.string.search_contacts);
 576		} else {
 577			mSearchEditText.setHint(R.string.search_groups);
 578		}
 579	}
 580
 581	@Override
 582	public boolean onCreateOptionsMenu(Menu menu) {
 583		getMenuInflater().inflate(R.menu.start_conversation, menu);
 584		AccountUtils.showHideMenuItems(menu);
 585		MenuItem menuHideOffline = menu.findItem(R.id.action_hide_offline);
 586		MenuItem joinGroupChat = menu.findItem(R.id.action_join_conference);
 587		MenuItem qrCodeScanMenuItem = menu.findItem(R.id.action_scan_qr_code);
 588		joinGroupChat.setVisible(binding.startConversationViewPager.getCurrentItem() == 1);
 589		qrCodeScanMenuItem.setVisible(isCameraFeatureAvailable());
 590		menuHideOffline.setChecked(this.mHideOfflineContacts);
 591		mMenuSearchView = menu.findItem(R.id.action_search);
 592		mMenuSearchView.setOnActionExpandListener(mOnActionExpandListener);
 593		View mSearchView = mMenuSearchView.getActionView();
 594		mSearchEditText = mSearchView.findViewById(R.id.search_field);
 595		mSearchEditText.addTextChangedListener(mSearchTextWatcher);
 596		mSearchEditText.setOnEditorActionListener(mSearchDone);
 597		String initialSearchValue = mInitialSearchValue.pop();
 598		if (initialSearchValue != null) {
 599			mMenuSearchView.expandActionView();
 600			mSearchEditText.append(initialSearchValue);
 601			filter(initialSearchValue);
 602		}
 603		updateSearchViewHint();
 604		return super.onCreateOptionsMenu(menu);
 605	}
 606
 607	@Override
 608	public boolean onOptionsItemSelected(MenuItem item) {
 609		if (MenuDoubleTabUtil.shouldIgnoreTap()) {
 610			return false;
 611		}
 612		switch (item.getItemId()) {
 613			case android.R.id.home:
 614				navigateBack();
 615				return true;
 616			case R.id.action_join_conference:
 617				showJoinConferenceDialog(null);
 618				return true;
 619			case R.id.action_scan_qr_code:
 620				UriHandlerActivity.scan(this);
 621				return true;
 622			case R.id.action_hide_offline:
 623				mHideOfflineContacts = !item.isChecked();
 624				getPreferences().edit().putBoolean("hide_offline", mHideOfflineContacts).commit();
 625				if (mSearchEditText != null) {
 626					filter(mSearchEditText.getText().toString());
 627				}
 628				invalidateOptionsMenu();
 629		}
 630		return super.onOptionsItemSelected(item);
 631	}
 632
 633	@Override
 634	public boolean onKeyUp(int keyCode, KeyEvent event) {
 635		if (keyCode == KeyEvent.KEYCODE_SEARCH && !event.isLongPress()) {
 636			openSearch();
 637			return true;
 638		}
 639		int c = event.getUnicodeChar();
 640		if (c > 32) {
 641			if (mSearchEditText != null && !mSearchEditText.isFocused()) {
 642				openSearch();
 643				mSearchEditText.append(Character.toString((char) c));
 644				return true;
 645			}
 646		}
 647		return super.onKeyUp(keyCode, event);
 648	}
 649
 650	private void openSearch() {
 651		if (mMenuSearchView != null) {
 652			mMenuSearchView.expandActionView();
 653		}
 654	}
 655
 656	@Override
 657	public void onActivityResult(int requestCode, int resultCode, Intent intent) {
 658		if (resultCode == RESULT_OK) {
 659			if (xmppConnectionServiceBound) {
 660				this.mPostponedActivityResult = null;
 661				if (requestCode == REQUEST_CREATE_CONFERENCE) {
 662					Account account = extractAccount(intent);
 663					final String name = intent.getStringExtra(ChooseContactActivity.EXTRA_GROUP_CHAT_NAME);
 664					final List<Jid> jids = ChooseContactActivity.extractJabberIds(intent);
 665					if (account != null && jids.size() > 0) {
 666						if (xmppConnectionService.createAdhocConference(account, name, jids, mAdhocConferenceCallback)) {
 667							mToast = Toast.makeText(this, R.string.creating_conference, Toast.LENGTH_LONG);
 668							mToast.show();
 669						}
 670					}
 671				}
 672			} else {
 673				this.mPostponedActivityResult = new Pair<>(requestCode, intent);
 674			}
 675		}
 676		super.onActivityResult(requestCode, requestCode, intent);
 677	}
 678
 679	private void askForContactsPermissions() {
 680		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 681			if (checkSelfPermission(Manifest.permission.READ_CONTACTS) != PackageManager.PERMISSION_GRANTED) {
 682				if (mRequestedContactsPermission.compareAndSet(false, true)) {
 683					if (shouldShowRequestPermissionRationale(Manifest.permission.READ_CONTACTS)) {
 684						AlertDialog.Builder builder = new AlertDialog.Builder(this);
 685						builder.setTitle(R.string.sync_with_contacts);
 686						builder.setMessage(R.string.sync_with_contacts_long);
 687						builder.setPositiveButton(R.string.next, (dialog, which) -> requestPermissions(new String[]{Manifest.permission.READ_CONTACTS}, REQUEST_SYNC_CONTACTS));
 688						builder.setOnDismissListener(dialog -> requestPermissions(new String[]{Manifest.permission.READ_CONTACTS}, REQUEST_SYNC_CONTACTS));
 689						builder.create().show();
 690					} else {
 691						requestPermissions(new String[]{Manifest.permission.READ_CONTACTS}, REQUEST_SYNC_CONTACTS);
 692					}
 693				}
 694			}
 695		}
 696	}
 697
 698	@Override
 699	public void onRequestPermissionsResult(int requestCode, @NonNull String permissions[], @NonNull int[] grantResults) {
 700		if (grantResults.length > 0)
 701			if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {
 702				ScanActivity.onRequestPermissionResult(this, requestCode, grantResults);
 703				if (requestCode == REQUEST_SYNC_CONTACTS && xmppConnectionServiceBound) {
 704					xmppConnectionService.loadPhoneContacts();
 705					xmppConnectionService.startContactObserver();
 706				}
 707			}
 708	}
 709
 710	private void configureHomeButton() {
 711		final ActionBar actionBar = getSupportActionBar();
 712		if (actionBar == null) {
 713			return;
 714		}
 715		boolean openConversations = !xmppConnectionService.isConversationsListEmpty(null);
 716		actionBar.setDisplayHomeAsUpEnabled(openConversations);
 717		actionBar.setDisplayHomeAsUpEnabled(openConversations);
 718
 719	}
 720
 721	@Override
 722	protected void onBackendConnected() {
 723		if (mPostponedActivityResult != null) {
 724			onActivityResult(mPostponedActivityResult.first, RESULT_OK, mPostponedActivityResult.second);
 725			this.mPostponedActivityResult = null;
 726		}
 727		this.mActivatedAccounts.clear();
 728		for (Account account : xmppConnectionService.getAccounts()) {
 729			if (account.getStatus() != Account.State.DISABLED) {
 730				if (Config.DOMAIN_LOCK != null) {
 731					this.mActivatedAccounts.add(account.getJid().getLocal());
 732				} else {
 733					this.mActivatedAccounts.add(account.getJid().asBareJid().toString());
 734				}
 735			}
 736		}
 737		configureHomeButton();
 738		Intent intent = pendingViewIntent.pop();
 739		if (intent != null && processViewIntent(intent)) {
 740			filter(null);
 741		} else {
 742			if (mSearchEditText != null) {
 743				filter(mSearchEditText.getText().toString());
 744			} else {
 745				filter(null);
 746			}
 747		}
 748		Fragment fragment = getSupportFragmentManager().findFragmentByTag(FRAGMENT_TAG_DIALOG);
 749		if (fragment != null && fragment instanceof OnBackendConnected) {
 750			Log.d(Config.LOGTAG, "calling on backend connected on dialog");
 751			((OnBackendConnected) fragment).onBackendConnected();
 752		}
 753	}
 754
 755	protected boolean processViewIntent(@NonNull Intent intent) {
 756		final String inviteUri = intent.getStringExtra(EXTRA_INVITE_URI);
 757		if (inviteUri != null) {
 758			Invite invite = new Invite(inviteUri);
 759			if (invite.isJidValid()) {
 760				return invite.invite();
 761			}
 762		}
 763		final String action = intent.getAction();
 764		if (action == null) {
 765			return false;
 766		}
 767		switch (action) {
 768			case Intent.ACTION_SENDTO:
 769			case Intent.ACTION_VIEW:
 770				Uri uri = intent.getData();
 771				if (uri != null) {
 772					Invite invite = new Invite(intent.getData(), intent.getBooleanExtra("scanned", false));
 773					invite.account = intent.getStringExtra("account");
 774					return invite.invite();
 775				} else {
 776					return false;
 777				}
 778		}
 779		return false;
 780	}
 781
 782	private boolean handleJid(Invite invite) {
 783		List<Contact> contacts = xmppConnectionService.findContacts(invite.getJid(), invite.account);
 784		if (invite.isAction(XmppUri.ACTION_JOIN)) {
 785			Conversation muc = xmppConnectionService.findFirstMuc(invite.getJid());
 786			if (muc != null) {
 787				switchToConversationDoNotAppend(muc, invite.getBody());
 788				return true;
 789			} else {
 790				showJoinConferenceDialog(invite.getJid().asBareJid().toString());
 791				return false;
 792			}
 793		} else if (contacts.size() == 0) {
 794			showCreateContactDialog(invite.getJid().toString(), invite);
 795			return false;
 796		} else if (contacts.size() == 1) {
 797			Contact contact = contacts.get(0);
 798			if (!invite.isSafeSource() && invite.hasFingerprints()) {
 799				displayVerificationWarningDialog(contact, invite);
 800			} else {
 801				if (invite.hasFingerprints()) {
 802					if (xmppConnectionService.verifyFingerprints(contact, invite.getFingerprints())) {
 803						Toast.makeText(this, R.string.verified_fingerprints, Toast.LENGTH_SHORT).show();
 804					}
 805				}
 806				if (invite.account != null) {
 807					xmppConnectionService.getShortcutService().report(contact);
 808				}
 809				switchToConversationDoNotAppend(contact, invite.getBody());
 810			}
 811			return true;
 812		} else {
 813			if (mMenuSearchView != null) {
 814				mMenuSearchView.expandActionView();
 815				mSearchEditText.setText("");
 816				mSearchEditText.append(invite.getJid().toString());
 817				filter(invite.getJid().toString());
 818			} else {
 819				mInitialSearchValue.push(invite.getJid().toString());
 820			}
 821			return true;
 822		}
 823	}
 824
 825	private void displayVerificationWarningDialog(final Contact contact, final Invite invite) {
 826		AlertDialog.Builder builder = new AlertDialog.Builder(this);
 827		builder.setTitle(R.string.verify_omemo_keys);
 828		View view = getLayoutInflater().inflate(R.layout.dialog_verify_fingerprints, null);
 829		final CheckBox isTrustedSource = view.findViewById(R.id.trusted_source);
 830		TextView warning = view.findViewById(R.id.warning);
 831		warning.setText(JidDialog.style(this, R.string.verifying_omemo_keys_trusted_source, contact.getJid().asBareJid().toEscapedString(), contact.getDisplayName()));
 832		builder.setView(view);
 833		builder.setPositiveButton(R.string.confirm, (dialog, which) -> {
 834			if (isTrustedSource.isChecked() && invite.hasFingerprints()) {
 835				xmppConnectionService.verifyFingerprints(contact, invite.getFingerprints());
 836			}
 837			switchToConversationDoNotAppend(contact, invite.getBody());
 838		});
 839		builder.setNegativeButton(R.string.cancel, (dialog, which) -> StartConversationActivity.this.finish());
 840		AlertDialog dialog = builder.create();
 841		dialog.setCanceledOnTouchOutside(false);
 842		dialog.setOnCancelListener(dialog1 -> StartConversationActivity.this.finish());
 843		dialog.show();
 844	}
 845
 846	protected void filter(String needle) {
 847		if (xmppConnectionServiceBound) {
 848			this.filterContacts(needle);
 849			this.filterConferences(needle);
 850		}
 851	}
 852
 853	protected void filterContacts(String needle) {
 854		this.contacts.clear();
 855		final List<Account> accounts = xmppConnectionService.getAccounts();
 856		final boolean singleAccountActive = isSingleAccountActive(accounts);
 857		for (Account account : accounts) {
 858			if (account.getStatus() != Account.State.DISABLED) {
 859				for (Contact contact : account.getRoster().getContacts()) {
 860					Presence.Status s = contact.getShownStatus();
 861					if ((contact.showInRoster() || (singleAccountActive && contact.showInPhoneBook())) && contact.match(this, needle)
 862							&& (!this.mHideOfflineContacts
 863							|| (needle != null && !needle.trim().isEmpty())
 864							|| s.compareTo(Presence.Status.OFFLINE) < 0)) {
 865						this.contacts.add(contact);
 866					}
 867				}
 868			}
 869		}
 870		Collections.sort(this.contacts);
 871		mContactsAdapter.notifyDataSetChanged();
 872	}
 873
 874	private static boolean isSingleAccountActive(final List<Account> accounts) {
 875		int i = 0;
 876		for(Account account : accounts) {
 877			if (account.getStatus() != Account.State.DISABLED) {
 878				++i;
 879			}
 880		}
 881		return i == 1;
 882	}
 883
 884	protected void filterConferences(String needle) {
 885		this.conferences.clear();
 886		for (Account account : xmppConnectionService.getAccounts()) {
 887			if (account.getStatus() != Account.State.DISABLED) {
 888				for (Bookmark bookmark : account.getBookmarks()) {
 889					if (bookmark.match(this, needle)) {
 890						this.conferences.add(bookmark);
 891					}
 892				}
 893			}
 894		}
 895		Collections.sort(this.conferences);
 896		mConferenceAdapter.notifyDataSetChanged();
 897	}
 898
 899	private void onTabChanged() {
 900		@DrawableRes final int fabDrawable;
 901		if (binding.startConversationViewPager.getCurrentItem() == 0) {
 902			fabDrawable = R.drawable.ic_person_add_white_24dp;
 903		} else {
 904			fabDrawable = R.drawable.ic_group_add_white_24dp;
 905		}
 906		binding.fab.setImageResource(fabDrawable);
 907		invalidateOptionsMenu();
 908	}
 909
 910	@Override
 911	public void OnUpdateBlocklist(final Status status) {
 912		refreshUi();
 913	}
 914
 915	@Override
 916	protected void refreshUiReal() {
 917		if (mSearchEditText != null) {
 918			filter(mSearchEditText.getText().toString());
 919		}
 920		configureHomeButton();
 921	}
 922
 923	@Override
 924	public void onBackPressed() {
 925		navigateBack();
 926	}
 927
 928	private void navigateBack() {
 929		if (xmppConnectionService != null && !xmppConnectionService.isConversationsListEmpty(null)) {
 930			Intent intent = new Intent(this, ConversationsActivity.class);
 931			intent.addFlags(Intent.FLAG_ACTIVITY_NO_ANIMATION);
 932			startActivity(intent);
 933		}
 934		finish();
 935	}
 936
 937	@Override
 938	public void onCreateDialogPositiveClick(Spinner spinner, String name) {
 939		if (!xmppConnectionServiceBound) {
 940			return;
 941		}
 942		final Account account = getSelectedAccount(spinner);
 943		if (account == null) {
 944			return;
 945		}
 946		Intent intent = new Intent(getApplicationContext(), ChooseContactActivity.class);
 947		intent.putExtra(ChooseContactActivity.EXTRA_SHOW_ENTER_JID, false);
 948		intent.putExtra(ChooseContactActivity.EXTRA_SELECT_MULTIPLE, true);
 949		intent.putExtra(ChooseContactActivity.EXTRA_GROUP_CHAT_NAME, name.trim());
 950		intent.putExtra(ChooseContactActivity.EXTRA_ACCOUNT, account.getJid().asBareJid().toString());
 951		intent.putExtra(ChooseContactActivity.EXTRA_TITLE_RES_ID, R.string.choose_participants);
 952		startActivityForResult(intent, REQUEST_CREATE_CONFERENCE);
 953	}
 954
 955	@Override
 956	public void onJoinDialogPositiveClick(Dialog dialog, Spinner spinner, AutoCompleteTextView jid, boolean isBookmarkChecked) {
 957		if (!xmppConnectionServiceBound) {
 958			return;
 959		}
 960		final Account account = getSelectedAccount(spinner);
 961		if (account == null) {
 962			return;
 963		}
 964		final Jid conferenceJid;
 965		try {
 966			conferenceJid = Jid.of(jid.getText().toString());
 967		} catch (final IllegalArgumentException e) {
 968			jid.setError(getString(R.string.invalid_jid));
 969			return;
 970		}
 971
 972		if (isBookmarkChecked) {
 973			if (account.hasBookmarkFor(conferenceJid)) {
 974				jid.setError(getString(R.string.bookmark_already_exists));
 975			} else {
 976				final Bookmark bookmark = new Bookmark(account, conferenceJid.asBareJid());
 977				bookmark.setAutojoin(getBooleanPreference("autojoin", R.bool.autojoin));
 978				String nick = conferenceJid.getResource();
 979				if (nick != null && !nick.isEmpty()) {
 980					bookmark.setNick(nick);
 981				}
 982				account.getBookmarks().add(bookmark);
 983				xmppConnectionService.pushBookmarks(account);
 984				final Conversation conversation = xmppConnectionService
 985						.findOrCreateConversation(account, conferenceJid, true, true, true);
 986				bookmark.setConversation(conversation);
 987				dialog.dismiss();
 988				switchToConversation(conversation);
 989			}
 990		} else {
 991			final Conversation conversation = xmppConnectionService
 992					.findOrCreateConversation(account, conferenceJid, true, true, true);
 993			dialog.dismiss();
 994			switchToConversation(conversation);
 995		}
 996	}
 997
 998	@Override
 999	public void onConversationUpdate() {
1000		refreshUi();
1001	}
1002
1003	public static class MyListFragment extends ListFragment {
1004		private AdapterView.OnItemClickListener mOnItemClickListener;
1005		private int mResContextMenu;
1006
1007		public void setContextMenu(final int res) {
1008			this.mResContextMenu = res;
1009		}
1010
1011		@Override
1012		public void onListItemClick(final ListView l, final View v, final int position, final long id) {
1013			if (mOnItemClickListener != null) {
1014				mOnItemClickListener.onItemClick(l, v, position, id);
1015			}
1016		}
1017
1018		public void setOnListItemClickListener(AdapterView.OnItemClickListener l) {
1019			this.mOnItemClickListener = l;
1020		}
1021
1022		@Override
1023		public void onViewCreated(@NonNull final View view, final Bundle savedInstanceState) {
1024			super.onViewCreated(view, savedInstanceState);
1025			registerForContextMenu(getListView());
1026			getListView().setFastScrollEnabled(true);
1027			getListView().setDivider(null);
1028			getListView().setDividerHeight(0);
1029		}
1030
1031		@Override
1032		public void onCreateContextMenu(final ContextMenu menu, final View v, final ContextMenuInfo menuInfo) {
1033			super.onCreateContextMenu(menu, v, menuInfo);
1034			final StartConversationActivity activity = (StartConversationActivity) getActivity();
1035			if (activity == null) {
1036				return;
1037			}
1038			activity.getMenuInflater().inflate(mResContextMenu, menu);
1039			final AdapterView.AdapterContextMenuInfo acmi = (AdapterContextMenuInfo) menuInfo;
1040			if (mResContextMenu == R.menu.conference_context) {
1041				activity.conference_context_id = acmi.position;
1042			} else if (mResContextMenu == R.menu.contact_context) {
1043				activity.contact_context_id = acmi.position;
1044				final Contact contact = (Contact) activity.contacts.get(acmi.position);
1045				final MenuItem blockUnblockItem = menu.findItem(R.id.context_contact_block_unblock);
1046				final MenuItem showContactDetailsItem = menu.findItem(R.id.context_contact_details);
1047				final MenuItem deleteContactMenuItem = menu.findItem(R.id.context_delete_contact);
1048				if (contact.isSelf()) {
1049					showContactDetailsItem.setVisible(false);
1050				}
1051				deleteContactMenuItem.setVisible(contact.showInRoster());
1052				XmppConnection xmpp = contact.getAccount().getXmppConnection();
1053				if (xmpp != null && xmpp.getFeatures().blocking() && !contact.isSelf()) {
1054					if (contact.isBlocked()) {
1055						blockUnblockItem.setTitle(R.string.unblock_contact);
1056					} else {
1057						blockUnblockItem.setTitle(R.string.block_contact);
1058					}
1059				} else {
1060					blockUnblockItem.setVisible(false);
1061				}
1062			}
1063		}
1064
1065		@Override
1066		public boolean onContextItemSelected(final MenuItem item) {
1067			StartConversationActivity activity = (StartConversationActivity) getActivity();
1068			if (activity == null) {
1069				return true;
1070			}
1071			switch (item.getItemId()) {
1072				case R.id.context_contact_details:
1073					activity.openDetailsForContact();
1074					break;
1075				case R.id.context_show_qr:
1076					activity.showQrForContact();
1077					break;
1078				case R.id.context_contact_block_unblock:
1079					activity.toggleContactBlock();
1080					break;
1081				case R.id.context_delete_contact:
1082					activity.deleteContact();
1083					break;
1084				case R.id.context_join_conference:
1085					activity.openConversationForBookmark();
1086					break;
1087				case R.id.context_share_uri:
1088					activity.shareBookmarkUri();
1089					break;
1090				case R.id.context_delete_conference:
1091					activity.deleteConference();
1092			}
1093			return true;
1094		}
1095	}
1096
1097	public class ListPagerAdapter extends PagerAdapter {
1098		FragmentManager fragmentManager;
1099		MyListFragment[] fragments;
1100
1101		public ListPagerAdapter(FragmentManager fm) {
1102			fragmentManager = fm;
1103			fragments = new MyListFragment[2];
1104		}
1105
1106		public void requestFocus(int pos) {
1107			if (fragments.length > pos) {
1108				fragments[pos].getListView().requestFocus();
1109			}
1110		}
1111
1112		@Override
1113		public void destroyItem(@NonNull ViewGroup container, int position, @NonNull Object object) {
1114			FragmentTransaction trans = fragmentManager.beginTransaction();
1115			trans.remove(fragments[position]);
1116			trans.commit();
1117			fragments[position] = null;
1118		}
1119
1120		@NonNull
1121		@Override
1122		public Fragment instantiateItem(@NonNull ViewGroup container, int position) {
1123			Fragment fragment = getItem(position);
1124			FragmentTransaction trans = fragmentManager.beginTransaction();
1125			trans.add(container.getId(), fragment, "fragment:" + position);
1126			trans.commit();
1127			return fragment;
1128		}
1129
1130		@Override
1131		public int getCount() {
1132			return fragments.length;
1133		}
1134
1135		@Override
1136		public boolean isViewFromObject(@NonNull View view, @NonNull Object fragment) {
1137			return ((Fragment) fragment).getView() == view;
1138		}
1139
1140		@Nullable
1141		@Override
1142		public CharSequence getPageTitle(int position) {
1143			switch (position) {
1144				case 0:
1145					return getResources().getString(R.string.contacts);
1146				case 1:
1147					return getResources().getString(R.string.conferences);
1148				default:
1149					return super.getPageTitle(position);
1150			}
1151		}
1152
1153		Fragment getItem(int position) {
1154			if (fragments[position] == null) {
1155				final MyListFragment listFragment = new MyListFragment();
1156				if (position == 1) {
1157					listFragment.setListAdapter(mConferenceAdapter);
1158					listFragment.setContextMenu(R.menu.conference_context);
1159					listFragment.setOnListItemClickListener((arg0, arg1, p, arg3) -> openConversationForBookmark(p));
1160				} else {
1161
1162					listFragment.setListAdapter(mContactsAdapter);
1163					listFragment.setContextMenu(R.menu.contact_context);
1164					listFragment.setOnListItemClickListener((arg0, arg1, p, arg3) -> openConversationForContact(p));
1165				}
1166				fragments[position] = listFragment;
1167			}
1168			return fragments[position];
1169		}
1170	}
1171
1172	public static void addInviteUri(Intent to, Intent from) {
1173		if (from != null && from.hasExtra(EXTRA_INVITE_URI)) {
1174			to.putExtra(EXTRA_INVITE_URI, from.getStringExtra(EXTRA_INVITE_URI));
1175		}
1176	}
1177
1178	private class Invite extends XmppUri {
1179
1180		public String account;
1181
1182		public Invite(final Uri uri) {
1183			super(uri);
1184		}
1185
1186		public Invite(final String uri) {
1187			super(uri);
1188		}
1189
1190		public Invite(Uri uri, boolean safeSource) {
1191			super(uri, safeSource);
1192		}
1193
1194		boolean invite() {
1195			if (!isJidValid()) {
1196				Toast.makeText(StartConversationActivity.this, R.string.invalid_jid, Toast.LENGTH_SHORT).show();
1197				return false;
1198			}
1199			if (getJid() != null) {
1200				return handleJid(this);
1201			}
1202			return false;
1203		}
1204	}
1205}