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.NonNull;
  17import android.support.annotation.Nullable;
  18import android.support.design.widget.TextInputLayout;
  19import android.support.v4.app.Fragment;
  20import android.support.v4.app.FragmentManager;
  21import android.support.v4.app.FragmentTransaction;
  22import android.support.v4.view.PagerAdapter;
  23import android.support.v4.view.ViewPager;
  24import android.support.v4.widget.SwipeRefreshLayout;
  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.Html;
  30import android.text.TextWatcher;
  31import android.text.method.LinkMovementMethod;
  32import android.util.Log;
  33import android.util.Pair;
  34import android.view.ContextMenu;
  35import android.view.ContextMenu.ContextMenuInfo;
  36import android.view.KeyEvent;
  37import android.view.Menu;
  38import android.view.MenuItem;
  39import android.view.View;
  40import android.view.ViewGroup;
  41import android.view.inputmethod.InputMethodManager;
  42import android.widget.AdapterView;
  43import android.widget.AdapterView.AdapterContextMenuInfo;
  44import android.widget.ArrayAdapter;
  45import android.widget.AutoCompleteTextView;
  46import android.widget.CheckBox;
  47import android.widget.EditText;
  48import android.widget.ListView;
  49import android.widget.Spinner;
  50import android.widget.TextView;
  51import android.widget.Toast;
  52
  53import java.util.ArrayList;
  54import java.util.Collections;
  55import java.util.List;
  56import java.util.concurrent.atomic.AtomicBoolean;
  57
  58import eu.siacs.conversations.Config;
  59import eu.siacs.conversations.R;
  60import eu.siacs.conversations.databinding.ActivityStartConversationBinding;
  61import eu.siacs.conversations.entities.Account;
  62import eu.siacs.conversations.entities.Bookmark;
  63import eu.siacs.conversations.entities.Contact;
  64import eu.siacs.conversations.entities.Conversation;
  65import eu.siacs.conversations.entities.ListItem;
  66import eu.siacs.conversations.entities.MucOptions;
  67import eu.siacs.conversations.entities.Presence;
  68import eu.siacs.conversations.services.QuickConversationsService;
  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.util.JidDialog;
  74import eu.siacs.conversations.ui.util.MenuDoubleTabUtil;
  75import eu.siacs.conversations.ui.util.PendingItem;
  76import eu.siacs.conversations.ui.util.SoftKeyboardUtils;
  77import eu.siacs.conversations.ui.widget.SwipeRefreshListFragment;
  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, CreatePrivateGroupChatDialog.CreateConferenceDialogListener, JoinConferenceDialog.JoinConferenceDialogListener, SwipeRefreshLayout.OnRefreshListener, CreatePublicChannelDialog.CreatePublicChannelDialogListener {
  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 AtomicBoolean mOpenedFab = new AtomicBoolean(false);
 104	private boolean mHideOfflineContacts = false;
 105	private boolean createdByViewIntent = false;
 106	private MenuItem.OnActionExpandListener mOnActionExpandListener = new MenuItem.OnActionExpandListener() {
 107
 108		@Override
 109		public boolean onMenuItemActionExpand(MenuItem item) {
 110			mSearchEditText.post(() -> {
 111				updateSearchViewHint();
 112				mSearchEditText.requestFocus();
 113				if (oneShotKeyboardSuppress.compareAndSet(true, false)) {
 114					return;
 115				}
 116				InputMethodManager imm = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
 117				if (imm != null) {
 118					imm.showSoftInput(mSearchEditText, InputMethodManager.SHOW_IMPLICIT);
 119				}
 120			});
 121			if (binding.speedDial.isOpen()) {
 122				binding.speedDial.close();
 123			}
 124			return true;
 125		}
 126
 127		@Override
 128		public boolean onMenuItemActionCollapse(MenuItem item) {
 129			SoftKeyboardUtils.hideSoftKeyboard(StartConversationActivity.this);
 130			mSearchEditText.setText("");
 131			filter(null);
 132			return true;
 133		}
 134	};
 135	private TextWatcher mSearchTextWatcher = new TextWatcher() {
 136
 137		@Override
 138		public void afterTextChanged(Editable editable) {
 139			filter(editable.toString());
 140		}
 141
 142		@Override
 143		public void beforeTextChanged(CharSequence s, int start, int count, int after) {
 144		}
 145
 146		@Override
 147		public void onTextChanged(CharSequence s, int start, int before, int count) {
 148		}
 149	};
 150	private MenuItem mMenuSearchView;
 151	private ListItemAdapter.OnTagClickedListener mOnTagClickedListener = new ListItemAdapter.OnTagClickedListener() {
 152		@Override
 153		public void onTagClicked(String tag) {
 154			if (mMenuSearchView != null) {
 155				mMenuSearchView.expandActionView();
 156				mSearchEditText.setText("");
 157				mSearchEditText.append(tag);
 158				filter(tag);
 159			}
 160		}
 161	};
 162	private Pair<Integer, Intent> mPostponedActivityResult;
 163	private Toast mToast;
 164	private UiCallback<Conversation> mAdhocConferenceCallback = new UiCallback<Conversation>() {
 165		@Override
 166		public void success(final Conversation conversation) {
 167			runOnUiThread(() -> {
 168				hideToast();
 169				switchToConversation(conversation);
 170			});
 171		}
 172
 173		@Override
 174		public void error(final int errorCode, Conversation object) {
 175			runOnUiThread(() -> replaceToast(getString(errorCode)));
 176		}
 177
 178		@Override
 179		public void userInputRequired(PendingIntent pi, Conversation object) {
 180
 181		}
 182	};
 183	private ActivityStartConversationBinding binding;
 184	private TextView.OnEditorActionListener mSearchDone = new TextView.OnEditorActionListener() {
 185		@Override
 186		public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
 187			int pos = binding.startConversationViewPager.getCurrentItem();
 188			if (pos == 0) {
 189				if (contacts.size() == 1) {
 190					openConversationForContact((Contact) contacts.get(0));
 191					return true;
 192				} else if (contacts.size() == 0 && conferences.size() == 1) {
 193					openConversationsForBookmark((Bookmark) conferences.get(0));
 194					return true;
 195				}
 196			} else {
 197				if (conferences.size() == 1) {
 198					openConversationsForBookmark((Bookmark) conferences.get(0));
 199					return true;
 200				} else if (conferences.size() == 0 && contacts.size() == 1) {
 201					openConversationForContact((Contact) contacts.get(0));
 202					return true;
 203				}
 204			}
 205			SoftKeyboardUtils.hideSoftKeyboard(StartConversationActivity.this);
 206			mListPagerAdapter.requestFocus(pos);
 207			return true;
 208		}
 209	};
 210
 211	public static void populateAccountSpinner(Context context, List<String> accounts, Spinner spinner) {
 212		if (accounts.size() > 0) {
 213			ArrayAdapter<String> adapter = new ArrayAdapter<>(context, R.layout.simple_list_item, accounts);
 214			adapter.setDropDownViewResource(R.layout.simple_list_item);
 215			spinner.setAdapter(adapter);
 216			spinner.setEnabled(true);
 217		} else {
 218			ArrayAdapter<String> adapter = new ArrayAdapter<>(context,
 219					R.layout.simple_list_item,
 220					Collections.singletonList(context.getString(R.string.no_accounts)));
 221			adapter.setDropDownViewResource(R.layout.simple_list_item);
 222			spinner.setAdapter(adapter);
 223			spinner.setEnabled(false);
 224		}
 225	}
 226
 227	public static void launch(Context context) {
 228		final Intent intent = new Intent(context, StartConversationActivity.class);
 229		context.startActivity(intent);
 230	}
 231
 232	private static Intent createLauncherIntent(Context context) {
 233		final Intent intent = new Intent(context, StartConversationActivity.class);
 234		intent.setAction(Intent.ACTION_MAIN);
 235		intent.addCategory(Intent.CATEGORY_LAUNCHER);
 236		return intent;
 237	}
 238
 239	private static boolean isViewIntent(final Intent i) {
 240		return i != null && (Intent.ACTION_VIEW.equals(i.getAction()) || Intent.ACTION_SENDTO.equals(i.getAction()) || i.hasExtra(EXTRA_INVITE_URI));
 241	}
 242
 243	protected void hideToast() {
 244		if (mToast != null) {
 245			mToast.cancel();
 246		}
 247	}
 248
 249	protected void replaceToast(String msg) {
 250		hideToast();
 251		mToast = Toast.makeText(this, msg, Toast.LENGTH_LONG);
 252		mToast.show();
 253	}
 254
 255	@Override
 256	public void onRosterUpdate() {
 257		this.refreshUi();
 258	}
 259
 260	@Override
 261	public void onCreate(Bundle savedInstanceState) {
 262		super.onCreate(savedInstanceState);
 263		this.binding = DataBindingUtil.setContentView(this, R.layout.activity_start_conversation);
 264		Toolbar toolbar = (Toolbar) binding.toolbar;
 265		setSupportActionBar(toolbar);
 266		configureActionBar(getSupportActionBar());
 267
 268		binding.speedDial.inflate(R.menu.start_conversation_fab_submenu);
 269
 270		binding.tabLayout.setupWithViewPager(binding.startConversationViewPager);
 271		binding.startConversationViewPager.addOnPageChangeListener(new ViewPager.SimpleOnPageChangeListener() {
 272			@Override
 273			public void onPageSelected(int position) {
 274				updateSearchViewHint();
 275			}
 276		});
 277		mListPagerAdapter = new ListPagerAdapter(getSupportFragmentManager());
 278		binding.startConversationViewPager.setAdapter(mListPagerAdapter);
 279
 280		mConferenceAdapter = new ListItemAdapter(this, conferences);
 281		mContactsAdapter = new ListItemAdapter(this, contacts);
 282		mContactsAdapter.setOnTagClickedListener(this.mOnTagClickedListener);
 283
 284		final SharedPreferences preferences = getPreferences();
 285
 286		this.mHideOfflineContacts = QuickConversationsService.isConversations() && preferences.getBoolean("hide_offline", false);
 287
 288		final boolean startSearching = preferences.getBoolean("start_searching",getResources().getBoolean(R.bool.start_searching));
 289
 290		final Intent intent;
 291		if (savedInstanceState == null) {
 292			intent = getIntent();
 293		} else {
 294			createdByViewIntent = savedInstanceState.getBoolean("created_by_view_intent", false);
 295			final String search = savedInstanceState.getString("search");
 296			if (search != null) {
 297				mInitialSearchValue.push(search);
 298			}
 299			intent = savedInstanceState.getParcelable("intent");
 300		}
 301
 302		if (isViewIntent(intent)) {
 303			pendingViewIntent.push(intent);
 304			createdByViewIntent = true;
 305			setIntent(createLauncherIntent(this));
 306		} else if (startSearching && mInitialSearchValue.peek() == null) {
 307			mInitialSearchValue.push("");
 308		}
 309		mRequestedContactsPermission.set(savedInstanceState != null && savedInstanceState.getBoolean("requested_contacts_permission",false));
 310		mOpenedFab.set(savedInstanceState != null && savedInstanceState.getBoolean("opened_fab",false));
 311		binding.speedDial.setOnActionSelectedListener(actionItem -> {
 312			final String searchString = mSearchEditText != null ? mSearchEditText.getText().toString() : null;
 313			final String prefilled;
 314			if (isValidJid(searchString)) {
 315				prefilled = Jid.ofEscaped(searchString).toEscapedString();
 316			} else {
 317				prefilled = null;
 318			}
 319			switch (actionItem.getId()) {
 320				case R.id.discover_public_channels:
 321					startActivity(new Intent(this, ChannelDiscoveryActivity.class));
 322					break;
 323				case R.id.join_public_channel:
 324					showJoinConferenceDialog(prefilled);
 325					break;
 326				case R.id.create_private_group_chat:
 327					showCreatePrivateGroupChatDialog();
 328					break;
 329				case R.id.create_public_channel:
 330					showPublicChannelDialog();
 331					break;
 332				case R.id.create_contact:
 333					showCreateContactDialog(prefilled,null);
 334					break;
 335			}
 336			return false;
 337		});
 338	}
 339
 340	public static boolean isValidJid(String input) {
 341		try {
 342			Jid jid = Jid.ofEscaped(input);
 343			return !jid.isDomainJid();
 344		} catch (IllegalArgumentException e) {
 345			return false;
 346		}
 347	}
 348
 349	@Override
 350	public void onSaveInstanceState(Bundle savedInstanceState) {
 351		Intent pendingIntent = pendingViewIntent.peek();
 352		savedInstanceState.putParcelable("intent", pendingIntent != null ? pendingIntent : getIntent());
 353		savedInstanceState.putBoolean("requested_contacts_permission",mRequestedContactsPermission.get());
 354		savedInstanceState.putBoolean("opened_fab",mOpenedFab.get());
 355		savedInstanceState.putBoolean("created_by_view_intent",createdByViewIntent);
 356		if (mMenuSearchView != null && mMenuSearchView.isActionViewExpanded()) {
 357			savedInstanceState.putString("search", mSearchEditText != null ? mSearchEditText.getText().toString() : null);
 358		}
 359		super.onSaveInstanceState(savedInstanceState);
 360	}
 361
 362	@Override
 363	public void onStart() {
 364		super.onStart();
 365		final int theme = findTheme();
 366		if (this.mTheme != theme) {
 367			recreate();
 368		} else {
 369			if (pendingViewIntent.peek() == null) {
 370				askForContactsPermissions();
 371			}
 372		}
 373		mConferenceAdapter.refreshSettings();
 374		mContactsAdapter.refreshSettings();
 375	}
 376
 377	@Override
 378	public void onNewIntent(final Intent intent) {
 379		if (xmppConnectionServiceBound) {
 380			processViewIntent(intent);
 381		} else {
 382			pendingViewIntent.push(intent);
 383		}
 384		setIntent(createLauncherIntent(this));
 385	}
 386
 387	protected void openConversationForContact(int position) {
 388		Contact contact = (Contact) contacts.get(position);
 389		openConversationForContact(contact);
 390	}
 391
 392	protected void openConversationForContact(Contact contact) {
 393		Conversation conversation = xmppConnectionService.findOrCreateConversation(contact.getAccount(), contact.getJid(), false, true);
 394		SoftKeyboardUtils.hideSoftKeyboard(this);
 395		switchToConversation(conversation);
 396	}
 397
 398	protected void openConversationForBookmark(int position) {
 399		Bookmark bookmark = (Bookmark) conferences.get(position);
 400		openConversationsForBookmark(bookmark);
 401	}
 402
 403	protected void shareBookmarkUri() {
 404		shareBookmarkUri(conference_context_id);
 405	}
 406
 407	protected void shareBookmarkUri(int position) {
 408		Bookmark bookmark = (Bookmark) conferences.get(position);
 409		shareAsChannel(this, bookmark.getJid().asBareJid().toEscapedString());
 410	}
 411
 412	public static void shareAsChannel(final Context context, final String address) {
 413		Intent shareIntent = new Intent();
 414		shareIntent.setAction(Intent.ACTION_SEND);
 415		shareIntent.putExtra(Intent.EXTRA_TEXT, "xmpp:" + address + "?join");
 416		shareIntent.setType("text/plain");
 417		try {
 418			context.startActivity(Intent.createChooser(shareIntent, context.getText(R.string.share_uri_with)));
 419		} catch (ActivityNotFoundException e) {
 420			Toast.makeText(context, R.string.no_application_to_share_uri, Toast.LENGTH_SHORT).show();
 421		}
 422	}
 423
 424	protected void openConversationsForBookmark(Bookmark bookmark) {
 425		final Jid jid = bookmark.getFullJid();
 426		if (jid == null) {
 427			Toast.makeText(this, R.string.invalid_jid, Toast.LENGTH_SHORT).show();
 428			return;
 429		}
 430		Conversation conversation = xmppConnectionService.findOrCreateConversation(bookmark.getAccount(), jid, true, true, true);
 431		bookmark.setConversation(conversation);
 432		if (!bookmark.autojoin() && getPreferences().getBoolean("autojoin", getResources().getBoolean(R.bool.autojoin))) {
 433			bookmark.setAutojoin(true);
 434			xmppConnectionService.createBookmark(bookmark.getAccount(), bookmark);
 435		}
 436		SoftKeyboardUtils.hideSoftKeyboard(this);
 437		switchToConversation(conversation);
 438	}
 439
 440	protected void openDetailsForContact() {
 441		int position = contact_context_id;
 442		Contact contact = (Contact) contacts.get(position);
 443		switchToContactDetails(contact);
 444	}
 445
 446	protected void showQrForContact() {
 447		int position = contact_context_id;
 448		Contact contact = (Contact) contacts.get(position);
 449		showQrCode("xmpp:"+contact.getJid().asBareJid().toEscapedString());
 450	}
 451
 452	protected void toggleContactBlock() {
 453		final int position = contact_context_id;
 454		BlockContactDialog.show(this, (Contact) contacts.get(position));
 455	}
 456
 457	protected void deleteContact() {
 458		final int position = contact_context_id;
 459		final Contact contact = (Contact) contacts.get(position);
 460		final AlertDialog.Builder builder = new AlertDialog.Builder(this);
 461		builder.setNegativeButton(R.string.cancel, null);
 462		builder.setTitle(R.string.action_delete_contact);
 463		builder.setMessage(JidDialog.style(this, R.string.remove_contact_text, contact.getJid().toEscapedString()));
 464		builder.setPositiveButton(R.string.delete, (dialog, which) -> {
 465			xmppConnectionService.deleteContactOnServer(contact);
 466			filter(mSearchEditText.getText().toString());
 467		});
 468		builder.create().show();
 469	}
 470
 471	protected void deleteConference() {
 472		int position = conference_context_id;
 473		final Bookmark bookmark = (Bookmark) conferences.get(position);
 474
 475		AlertDialog.Builder builder = new AlertDialog.Builder(this);
 476		builder.setNegativeButton(R.string.cancel, null);
 477		builder.setTitle(R.string.delete_bookmark);
 478		builder.setMessage(JidDialog.style(this, R.string.remove_bookmark_text, bookmark.getJid().toEscapedString()));
 479		builder.setPositiveButton(R.string.delete, (dialog, which) -> {
 480			bookmark.setConversation(null);
 481			Account account = bookmark.getAccount();
 482			account.getBookmarks().remove(bookmark);
 483			xmppConnectionService.deleteBookmark(account, bookmark);
 484			filter(mSearchEditText.getText().toString());
 485		});
 486		builder.create().show();
 487
 488	}
 489
 490	@SuppressLint("InflateParams")
 491	protected void showCreateContactDialog(final String prefilledJid, final Invite invite) {
 492		FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
 493		Fragment prev = getSupportFragmentManager().findFragmentByTag(FRAGMENT_TAG_DIALOG);
 494		if (prev != null) {
 495			ft.remove(prev);
 496		}
 497		ft.addToBackStack(null);
 498		EnterJidDialog dialog = EnterJidDialog.newInstance(
 499				mActivatedAccounts,
 500				getString(R.string.add_contact),
 501				getString(R.string.add),
 502				prefilledJid,
 503				null,
 504				invite == null || !invite.hasFingerprints(),
 505				true
 506		);
 507
 508		dialog.setOnEnterJidDialogPositiveListener((accountJid, contactJid) -> {
 509			if (!xmppConnectionServiceBound) {
 510				return false;
 511			}
 512
 513			final Account account = xmppConnectionService.findAccountByJid(accountJid);
 514			if (account == null) {
 515				return true;
 516			}
 517
 518			final Contact contact = account.getRoster().getContact(contactJid);
 519			if (invite != null && invite.getName() != null) {
 520				contact.setServerName(invite.getName());
 521			}
 522			if (contact.isSelf()) {
 523				switchToConversation(contact);
 524				return true;
 525			} else if (contact.showInRoster()) {
 526				throw new EnterJidDialog.JidError(getString(R.string.contact_already_exists));
 527			} else {
 528				xmppConnectionService.createContact(contact, true);
 529				if (invite != null && invite.hasFingerprints()) {
 530					xmppConnectionService.verifyFingerprints(contact, invite.getFingerprints());
 531				}
 532				switchToConversationDoNotAppend(contact, invite == null ? null : invite.getBody());
 533				return true;
 534			}
 535		});
 536		dialog.show(ft, FRAGMENT_TAG_DIALOG);
 537	}
 538
 539	@SuppressLint("InflateParams")
 540	protected void showJoinConferenceDialog(final String prefilledJid) {
 541		FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
 542		Fragment prev = getSupportFragmentManager().findFragmentByTag(FRAGMENT_TAG_DIALOG);
 543		if (prev != null) {
 544			ft.remove(prev);
 545		}
 546		ft.addToBackStack(null);
 547		JoinConferenceDialog joinConferenceFragment = JoinConferenceDialog.newInstance(prefilledJid, mActivatedAccounts);
 548		joinConferenceFragment.show(ft, FRAGMENT_TAG_DIALOG);
 549	}
 550
 551	private void showCreatePrivateGroupChatDialog() {
 552		FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
 553		Fragment prev = getSupportFragmentManager().findFragmentByTag(FRAGMENT_TAG_DIALOG);
 554		if (prev != null) {
 555			ft.remove(prev);
 556		}
 557		ft.addToBackStack(null);
 558		CreatePrivateGroupChatDialog createConferenceFragment = CreatePrivateGroupChatDialog.newInstance(mActivatedAccounts);
 559		createConferenceFragment.show(ft, FRAGMENT_TAG_DIALOG);
 560	}
 561
 562	private void showPublicChannelDialog() {
 563		FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
 564		Fragment prev = getSupportFragmentManager().findFragmentByTag(FRAGMENT_TAG_DIALOG);
 565		if (prev != null) {
 566			ft.remove(prev);
 567		}
 568		ft.addToBackStack(null);
 569		CreatePublicChannelDialog dialog = CreatePublicChannelDialog.newInstance(mActivatedAccounts);
 570		dialog.show(ft, FRAGMENT_TAG_DIALOG);
 571	}
 572
 573	public static Account getSelectedAccount(Context context, Spinner spinner) {
 574		if (spinner == null || !spinner.isEnabled()) {
 575			return null;
 576		}
 577		if (context instanceof XmppActivity) {
 578			Jid jid;
 579			try {
 580				if (Config.DOMAIN_LOCK != null) {
 581					jid = Jid.of((String) spinner.getSelectedItem(), Config.DOMAIN_LOCK, null);
 582				} else {
 583					jid = Jid.of((String) spinner.getSelectedItem());
 584				}
 585			} catch (final IllegalArgumentException e) {
 586				return null;
 587			}
 588			final XmppConnectionService service = ((XmppActivity) context).xmppConnectionService;
 589			if (service == null) {
 590				return null;
 591			}
 592			return service.findAccountByJid(jid);
 593		} else {
 594			return null;
 595		}
 596	}
 597
 598	protected void switchToConversation(Contact contact) {
 599		Conversation conversation = xmppConnectionService.findOrCreateConversation(contact.getAccount(), contact.getJid(), false, true);
 600		switchToConversation(conversation);
 601	}
 602
 603	protected void switchToConversationDoNotAppend(Contact contact, String body) {
 604		Conversation conversation = xmppConnectionService.findOrCreateConversation(contact.getAccount(), contact.getJid(), false, true);
 605		switchToConversationDoNotAppend(conversation, body);
 606	}
 607
 608	@Override
 609	public void invalidateOptionsMenu() {
 610		boolean isExpanded = mMenuSearchView != null && mMenuSearchView.isActionViewExpanded();
 611		String text = mSearchEditText != null ? mSearchEditText.getText().toString() : "";
 612		if (isExpanded) {
 613			mInitialSearchValue.push(text);
 614			oneShotKeyboardSuppress.set(true);
 615		}
 616		super.invalidateOptionsMenu();
 617	}
 618
 619	private void updateSearchViewHint() {
 620		if (binding == null || mSearchEditText == null) {
 621			return;
 622		}
 623		if (binding.startConversationViewPager.getCurrentItem() == 0) {
 624			mSearchEditText.setHint(R.string.search_contacts);
 625		} else {
 626			mSearchEditText.setHint(R.string.search_bookmarks);
 627		}
 628	}
 629
 630	@Override
 631	public boolean onCreateOptionsMenu(Menu menu) {
 632		getMenuInflater().inflate(R.menu.start_conversation, menu);
 633		AccountUtils.showHideMenuItems(menu);
 634		MenuItem menuHideOffline = menu.findItem(R.id.action_hide_offline);
 635		MenuItem qrCodeScanMenuItem = menu.findItem(R.id.action_scan_qr_code);
 636		qrCodeScanMenuItem.setVisible(isCameraFeatureAvailable());
 637		if (QuickConversationsService.isQuicksy()) {
 638			menuHideOffline.setVisible(false);
 639		} else {
 640			menuHideOffline.setVisible(true);
 641			menuHideOffline.setChecked(this.mHideOfflineContacts);
 642		}
 643		mMenuSearchView = menu.findItem(R.id.action_search);
 644		mMenuSearchView.setOnActionExpandListener(mOnActionExpandListener);
 645		View mSearchView = mMenuSearchView.getActionView();
 646		mSearchEditText = mSearchView.findViewById(R.id.search_field);
 647		mSearchEditText.addTextChangedListener(mSearchTextWatcher);
 648		mSearchEditText.setOnEditorActionListener(mSearchDone);
 649		String initialSearchValue = mInitialSearchValue.pop();
 650		if (initialSearchValue != null) {
 651			mMenuSearchView.expandActionView();
 652			mSearchEditText.append(initialSearchValue);
 653			filter(initialSearchValue);
 654		}
 655		updateSearchViewHint();
 656		return super.onCreateOptionsMenu(menu);
 657	}
 658
 659	@Override
 660	public boolean onOptionsItemSelected(MenuItem item) {
 661		if (MenuDoubleTabUtil.shouldIgnoreTap()) {
 662			return false;
 663		}
 664		switch (item.getItemId()) {
 665			case android.R.id.home:
 666				navigateBack();
 667				return true;
 668			case R.id.action_scan_qr_code:
 669				UriHandlerActivity.scan(this);
 670				return true;
 671			case R.id.action_hide_offline:
 672				mHideOfflineContacts = !item.isChecked();
 673				getPreferences().edit().putBoolean("hide_offline", mHideOfflineContacts).apply();
 674				if (mSearchEditText != null) {
 675					filter(mSearchEditText.getText().toString());
 676				}
 677				invalidateOptionsMenu();
 678		}
 679		return super.onOptionsItemSelected(item);
 680	}
 681
 682	@Override
 683	public boolean onKeyUp(int keyCode, KeyEvent event) {
 684		if (keyCode == KeyEvent.KEYCODE_SEARCH && !event.isLongPress()) {
 685			openSearch();
 686			return true;
 687		}
 688		int c = event.getUnicodeChar();
 689		if (c > 32) {
 690			if (mSearchEditText != null && !mSearchEditText.isFocused()) {
 691				openSearch();
 692				mSearchEditText.append(Character.toString((char) c));
 693				return true;
 694			}
 695		}
 696		return super.onKeyUp(keyCode, event);
 697	}
 698
 699	private void openSearch() {
 700		if (mMenuSearchView != null) {
 701			mMenuSearchView.expandActionView();
 702		}
 703	}
 704
 705	@Override
 706	public void onActivityResult(int requestCode, int resultCode, Intent intent) {
 707		if (resultCode == RESULT_OK) {
 708			if (xmppConnectionServiceBound) {
 709				this.mPostponedActivityResult = null;
 710				if (requestCode == REQUEST_CREATE_CONFERENCE) {
 711					Account account = extractAccount(intent);
 712					final String name = intent.getStringExtra(ChooseContactActivity.EXTRA_GROUP_CHAT_NAME);
 713					final List<Jid> jids = ChooseContactActivity.extractJabberIds(intent);
 714					if (account != null && jids.size() > 0) {
 715						if (xmppConnectionService.createAdhocConference(account, name, jids, mAdhocConferenceCallback)) {
 716							mToast = Toast.makeText(this, R.string.creating_conference, Toast.LENGTH_LONG);
 717							mToast.show();
 718						}
 719					}
 720				}
 721			} else {
 722				this.mPostponedActivityResult = new Pair<>(requestCode, intent);
 723			}
 724		}
 725		super.onActivityResult(requestCode, requestCode, intent);
 726	}
 727
 728	private void askForContactsPermissions() {
 729		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 730			if (checkSelfPermission(Manifest.permission.READ_CONTACTS) != PackageManager.PERMISSION_GRANTED) {
 731				if (mRequestedContactsPermission.compareAndSet(false, true)) {
 732					if (shouldShowRequestPermissionRationale(Manifest.permission.READ_CONTACTS)) {
 733						AlertDialog.Builder builder = new AlertDialog.Builder(this);
 734						builder.setTitle(R.string.sync_with_contacts);
 735						if (QuickConversationsService.isQuicksy()) {
 736							builder.setMessage(Html.fromHtml(getString(R.string.sync_with_contacts_quicksy)));
 737                        } else {
 738                            builder.setMessage(R.string.sync_with_contacts_long);
 739                        }
 740						builder.setPositiveButton(R.string.next, (dialog, which) -> requestPermissions(new String[]{Manifest.permission.READ_CONTACTS}, REQUEST_SYNC_CONTACTS));
 741						builder.setOnDismissListener(dialog -> requestPermissions(new String[]{Manifest.permission.READ_CONTACTS}, REQUEST_SYNC_CONTACTS));
 742						builder.setCancelable(false);
 743						AlertDialog dialog = builder.create();
 744						dialog.setCanceledOnTouchOutside(false);
 745						dialog.setOnShowListener(dialogInterface -> {
 746							final TextView tv =  dialog.findViewById(android.R.id.message);
 747							if (tv != null) {
 748								tv.setMovementMethod(LinkMovementMethod.getInstance());
 749							}
 750						});
 751						dialog.show();
 752					} else {
 753						requestPermissions(new String[]{Manifest.permission.READ_CONTACTS}, REQUEST_SYNC_CONTACTS);
 754					}
 755				}
 756			}
 757		}
 758	}
 759
 760	@Override
 761	public void onRequestPermissionsResult(int requestCode, @NonNull String permissions[], @NonNull int[] grantResults) {
 762		if (grantResults.length > 0)
 763			if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {
 764				ScanActivity.onRequestPermissionResult(this, requestCode, grantResults);
 765				if (requestCode == REQUEST_SYNC_CONTACTS && xmppConnectionServiceBound) {
 766					if (QuickConversationsService.isQuicksy()) {
 767						setRefreshing(true);
 768					}
 769					xmppConnectionService.loadPhoneContacts();
 770					xmppConnectionService.startContactObserver();
 771				}
 772			}
 773	}
 774
 775	private void configureHomeButton() {
 776		final ActionBar actionBar = getSupportActionBar();
 777		if (actionBar == null) {
 778			return;
 779		}
 780		boolean openConversations = !createdByViewIntent && !xmppConnectionService.isConversationsListEmpty(null);
 781		actionBar.setDisplayHomeAsUpEnabled(openConversations);
 782		actionBar.setDisplayHomeAsUpEnabled(openConversations);
 783
 784	}
 785
 786	@Override
 787	protected void onBackendConnected() {
 788
 789		if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M || checkSelfPermission(Manifest.permission.READ_CONTACTS) == PackageManager.PERMISSION_GRANTED) {
 790			xmppConnectionService.getQuickConversationsService().considerSyncBackground(false);
 791		}
 792		if (mPostponedActivityResult != null) {
 793			onActivityResult(mPostponedActivityResult.first, RESULT_OK, mPostponedActivityResult.second);
 794			this.mPostponedActivityResult = null;
 795		}
 796		this.mActivatedAccounts.clear();
 797		this.mActivatedAccounts.addAll(AccountUtils.getEnabledAccounts(xmppConnectionService));
 798		configureHomeButton();
 799		Intent intent = pendingViewIntent.pop();
 800		if (intent != null && processViewIntent(intent)) {
 801			filter(null);
 802		} else {
 803			if (mSearchEditText != null) {
 804				filter(mSearchEditText.getText().toString());
 805			} else {
 806				filter(null);
 807			}
 808		}
 809		Fragment fragment = getSupportFragmentManager().findFragmentByTag(FRAGMENT_TAG_DIALOG);
 810		if (fragment instanceof OnBackendConnected) {
 811			Log.d(Config.LOGTAG, "calling on backend connected on dialog");
 812			((OnBackendConnected) fragment).onBackendConnected();
 813		}
 814		if (QuickConversationsService.isQuicksy()) {
 815			setRefreshing(xmppConnectionService.getQuickConversationsService().isSynchronizing());
 816		}
 817		if (QuickConversationsService.isConversations() && AccountUtils.hasEnabledAccounts(xmppConnectionService) && this.contacts.size() == 0 && this.conferences.size() == 0 && mOpenedFab.compareAndSet(false,true)) {
 818			binding.speedDial.open();
 819		}
 820	}
 821
 822	protected boolean processViewIntent(@NonNull Intent intent) {
 823		final String inviteUri = intent.getStringExtra(EXTRA_INVITE_URI);
 824		if (inviteUri != null) {
 825			Invite invite = new Invite(inviteUri);
 826			if (invite.isJidValid()) {
 827				return invite.invite();
 828			}
 829		}
 830		final String action = intent.getAction();
 831		if (action == null) {
 832			return false;
 833		}
 834		switch (action) {
 835			case Intent.ACTION_SENDTO:
 836			case Intent.ACTION_VIEW:
 837				Uri uri = intent.getData();
 838				if (uri != null) {
 839					Invite invite = new Invite(intent.getData(), intent.getBooleanExtra("scanned", false));
 840					invite.account = intent.getStringExtra("account");
 841					invite.forceDialog = intent.getBooleanExtra("force_dialog", false);
 842					return invite.invite();
 843				} else {
 844					return false;
 845				}
 846		}
 847		return false;
 848	}
 849
 850	private boolean handleJid(Invite invite) {
 851		List<Contact> contacts = xmppConnectionService.findContacts(invite.getJid(), invite.account);
 852		if (invite.isAction(XmppUri.ACTION_JOIN)) {
 853			Conversation muc = xmppConnectionService.findFirstMuc(invite.getJid());
 854			if (muc != null && !invite.forceDialog) {
 855				switchToConversationDoNotAppend(muc, invite.getBody());
 856				return true;
 857			} else {
 858				showJoinConferenceDialog(invite.getJid().asBareJid().toString());
 859				return false;
 860			}
 861		} else if (contacts.size() == 0) {
 862			showCreateContactDialog(invite.getJid().toString(), invite);
 863			return false;
 864		} else if (contacts.size() == 1) {
 865			Contact contact = contacts.get(0);
 866			if (!invite.isSafeSource() && invite.hasFingerprints()) {
 867				displayVerificationWarningDialog(contact, invite);
 868			} else {
 869				if (invite.hasFingerprints()) {
 870					if (xmppConnectionService.verifyFingerprints(contact, invite.getFingerprints())) {
 871						Toast.makeText(this, R.string.verified_fingerprints, Toast.LENGTH_SHORT).show();
 872					}
 873				}
 874				if (invite.account != null) {
 875					xmppConnectionService.getShortcutService().report(contact);
 876				}
 877				switchToConversationDoNotAppend(contact, invite.getBody());
 878			}
 879			return true;
 880		} else {
 881			if (mMenuSearchView != null) {
 882				mMenuSearchView.expandActionView();
 883				mSearchEditText.setText("");
 884				mSearchEditText.append(invite.getJid().toString());
 885				filter(invite.getJid().toString());
 886			} else {
 887				mInitialSearchValue.push(invite.getJid().toString());
 888			}
 889			return true;
 890		}
 891	}
 892
 893	private void displayVerificationWarningDialog(final Contact contact, final Invite invite) {
 894		AlertDialog.Builder builder = new AlertDialog.Builder(this);
 895		builder.setTitle(R.string.verify_omemo_keys);
 896		View view = getLayoutInflater().inflate(R.layout.dialog_verify_fingerprints, null);
 897		final CheckBox isTrustedSource = view.findViewById(R.id.trusted_source);
 898		TextView warning = view.findViewById(R.id.warning);
 899		warning.setText(JidDialog.style(this, R.string.verifying_omemo_keys_trusted_source, contact.getJid().asBareJid().toEscapedString(), contact.getDisplayName()));
 900		builder.setView(view);
 901		builder.setPositiveButton(R.string.confirm, (dialog, which) -> {
 902			if (isTrustedSource.isChecked() && invite.hasFingerprints()) {
 903				xmppConnectionService.verifyFingerprints(contact, invite.getFingerprints());
 904			}
 905			switchToConversationDoNotAppend(contact, invite.getBody());
 906		});
 907		builder.setNegativeButton(R.string.cancel, (dialog, which) -> StartConversationActivity.this.finish());
 908		AlertDialog dialog = builder.create();
 909		dialog.setCanceledOnTouchOutside(false);
 910		dialog.setOnCancelListener(dialog1 -> StartConversationActivity.this.finish());
 911		dialog.show();
 912	}
 913
 914	protected void filter(String needle) {
 915		if (xmppConnectionServiceBound) {
 916			this.filterContacts(needle);
 917			this.filterConferences(needle);
 918		}
 919	}
 920
 921	protected void filterContacts(String needle) {
 922		this.contacts.clear();
 923		final List<Account> accounts = xmppConnectionService.getAccounts();
 924		for (Account account : accounts) {
 925			if (account.getStatus() != Account.State.DISABLED) {
 926				for (Contact contact : account.getRoster().getContacts()) {
 927					Presence.Status s = contact.getShownStatus();
 928					if (contact.showInContactList() && contact.match(this, needle)
 929							&& (!this.mHideOfflineContacts
 930							|| (needle != null && !needle.trim().isEmpty())
 931							|| s.compareTo(Presence.Status.OFFLINE) < 0)) {
 932						this.contacts.add(contact);
 933					}
 934				}
 935			}
 936		}
 937		Collections.sort(this.contacts);
 938		mContactsAdapter.notifyDataSetChanged();
 939	}
 940
 941	protected void filterConferences(String needle) {
 942		this.conferences.clear();
 943		for (Account account : xmppConnectionService.getAccounts()) {
 944			if (account.getStatus() != Account.State.DISABLED) {
 945				for (Bookmark bookmark : account.getBookmarks()) {
 946					if (bookmark.match(this, needle)) {
 947						this.conferences.add(bookmark);
 948					}
 949				}
 950			}
 951		}
 952		Collections.sort(this.conferences);
 953		mConferenceAdapter.notifyDataSetChanged();
 954	}
 955
 956	@Override
 957	public void OnUpdateBlocklist(final Status status) {
 958		refreshUi();
 959	}
 960
 961	@Override
 962	protected void refreshUiReal() {
 963		if (mSearchEditText != null) {
 964			filter(mSearchEditText.getText().toString());
 965		}
 966		configureHomeButton();
 967		if (QuickConversationsService.isQuicksy()) {
 968			setRefreshing(xmppConnectionService.getQuickConversationsService().isSynchronizing());
 969		}
 970	}
 971
 972	@Override
 973	public void onBackPressed() {
 974		if (binding.speedDial.isOpen()) {
 975			binding.speedDial.close();
 976			return;
 977		}
 978		navigateBack();
 979	}
 980
 981	private void navigateBack() {
 982		if (!createdByViewIntent && xmppConnectionService != null && !xmppConnectionService.isConversationsListEmpty(null)) {
 983			Intent intent = new Intent(this, ConversationsActivity.class);
 984			intent.addFlags(Intent.FLAG_ACTIVITY_NO_ANIMATION);
 985			startActivity(intent);
 986		}
 987		finish();
 988	}
 989
 990	@Override
 991	public void onCreateDialogPositiveClick(Spinner spinner, String name) {
 992		if (!xmppConnectionServiceBound) {
 993			return;
 994		}
 995		final Account account = getSelectedAccount(this, spinner);
 996		if (account == null) {
 997			return;
 998		}
 999		Intent intent = new Intent(getApplicationContext(), ChooseContactActivity.class);
1000		intent.putExtra(ChooseContactActivity.EXTRA_SHOW_ENTER_JID, false);
1001		intent.putExtra(ChooseContactActivity.EXTRA_SELECT_MULTIPLE, true);
1002		intent.putExtra(ChooseContactActivity.EXTRA_GROUP_CHAT_NAME, name.trim());
1003		intent.putExtra(ChooseContactActivity.EXTRA_ACCOUNT, account.getJid().asBareJid().toString());
1004		intent.putExtra(ChooseContactActivity.EXTRA_TITLE_RES_ID, R.string.choose_participants);
1005		startActivityForResult(intent, REQUEST_CREATE_CONFERENCE);
1006	}
1007
1008	@Override
1009	public void onJoinDialogPositiveClick(Dialog dialog, Spinner spinner, TextInputLayout layout, AutoCompleteTextView jid, boolean isBookmarkChecked) {
1010		if (!xmppConnectionServiceBound) {
1011			return;
1012		}
1013		final Account account = getSelectedAccount(this, spinner);
1014		if (account == null) {
1015			return;
1016		}
1017		final String input = jid.getText().toString();
1018		Jid conferenceJid;
1019		try {
1020			conferenceJid = Jid.of(input);
1021		} catch (final IllegalArgumentException e) {
1022			final XmppUri xmppUri = new XmppUri(input);
1023			if (xmppUri.isJidValid() && xmppUri.isAction(XmppUri.ACTION_JOIN)) {
1024				final Editable editable = jid.getEditableText();
1025				editable.clear();
1026				editable.append(xmppUri.getJid().toEscapedString());
1027				conferenceJid = xmppUri.getJid();
1028			} else {
1029				layout.setError(getString(R.string.invalid_jid));
1030				return;
1031			}
1032		}
1033
1034		if (isBookmarkChecked) {
1035			if (account.hasBookmarkFor(conferenceJid)) {
1036				layout.setError(getString(R.string.bookmark_already_exists));
1037			} else {
1038				final Bookmark bookmark = new Bookmark(account, conferenceJid.asBareJid());
1039				bookmark.setAutojoin(getBooleanPreference("autojoin", R.bool.autojoin));
1040				final String nick = conferenceJid.getResource();
1041				if (nick != null && !nick.isEmpty() && !nick.equals(MucOptions.defaultNick(account))) {
1042					bookmark.setNick(nick);
1043				}
1044				account.getBookmarks().add(bookmark);
1045				xmppConnectionService.createBookmark(account, bookmark);
1046				final Conversation conversation = xmppConnectionService
1047						.findOrCreateConversation(account, conferenceJid, true, true, true);
1048				bookmark.setConversation(conversation);
1049				dialog.dismiss();
1050				switchToConversation(conversation);
1051			}
1052		} else {
1053			final Conversation conversation = xmppConnectionService
1054					.findOrCreateConversation(account, conferenceJid, true, true, true);
1055			dialog.dismiss();
1056			switchToConversation(conversation);
1057		}
1058	}
1059
1060	@Override
1061	public void onConversationUpdate() {
1062		refreshUi();
1063	}
1064
1065	@Override
1066	public void onRefresh() {
1067		Log.d(Config.LOGTAG,"user requested to refresh");
1068		if (QuickConversationsService.isQuicksy() && xmppConnectionService != null) {
1069			xmppConnectionService.getQuickConversationsService().considerSyncBackground(true);
1070		}
1071	}
1072
1073
1074	private void setRefreshing(boolean refreshing) {
1075		MyListFragment fragment = (MyListFragment) mListPagerAdapter.getItem(0);
1076		if (fragment != null) {
1077			fragment.setRefreshing(refreshing);
1078		}
1079	}
1080
1081	@Override
1082	public void onCreatePublicChannel(Account account, String name, Jid address) {
1083		mToast = Toast.makeText(this, R.string.creating_channel, Toast.LENGTH_LONG);
1084		mToast.show();
1085		xmppConnectionService.createPublicChannel(account, name, address, new UiCallback<Conversation>() {
1086			@Override
1087			public void success(Conversation conversation) {
1088				runOnUiThread(() -> {
1089					hideToast();
1090					switchToConversation(conversation);
1091				});
1092
1093			}
1094
1095			@Override
1096			public void error(int errorCode, Conversation conversation) {
1097				runOnUiThread(() -> {
1098					replaceToast(getString(errorCode));
1099					switchToConversation(conversation);
1100				});
1101			}
1102
1103			@Override
1104			public void userInputRequired(PendingIntent pi, Conversation object) {
1105
1106			}
1107		});
1108	}
1109
1110	public static class MyListFragment extends SwipeRefreshListFragment {
1111		private AdapterView.OnItemClickListener mOnItemClickListener;
1112		private int mResContextMenu;
1113
1114		public void setContextMenu(final int res) {
1115			this.mResContextMenu = res;
1116		}
1117
1118		@Override
1119		public void onListItemClick(final ListView l, final View v, final int position, final long id) {
1120			if (mOnItemClickListener != null) {
1121				mOnItemClickListener.onItemClick(l, v, position, id);
1122			}
1123		}
1124
1125		public void setOnListItemClickListener(AdapterView.OnItemClickListener l) {
1126			this.mOnItemClickListener = l;
1127		}
1128
1129		@Override
1130		public void onViewCreated(@NonNull final View view, final Bundle savedInstanceState) {
1131			super.onViewCreated(view, savedInstanceState);
1132			registerForContextMenu(getListView());
1133			getListView().setFastScrollEnabled(true);
1134			getListView().setDivider(null);
1135			getListView().setDividerHeight(0);
1136		}
1137
1138		@Override
1139		public void onCreateContextMenu(final ContextMenu menu, final View v, final ContextMenuInfo menuInfo) {
1140			super.onCreateContextMenu(menu, v, menuInfo);
1141			final StartConversationActivity activity = (StartConversationActivity) getActivity();
1142			if (activity == null) {
1143				return;
1144			}
1145			activity.getMenuInflater().inflate(mResContextMenu, menu);
1146			final AdapterView.AdapterContextMenuInfo acmi = (AdapterContextMenuInfo) menuInfo;
1147			if (mResContextMenu == R.menu.conference_context) {
1148				activity.conference_context_id = acmi.position;
1149			} else if (mResContextMenu == R.menu.contact_context) {
1150				activity.contact_context_id = acmi.position;
1151				final Contact contact = (Contact) activity.contacts.get(acmi.position);
1152				final MenuItem blockUnblockItem = menu.findItem(R.id.context_contact_block_unblock);
1153				final MenuItem showContactDetailsItem = menu.findItem(R.id.context_contact_details);
1154				final MenuItem deleteContactMenuItem = menu.findItem(R.id.context_delete_contact);
1155				if (contact.isSelf()) {
1156					showContactDetailsItem.setVisible(false);
1157				}
1158				deleteContactMenuItem.setVisible(contact.showInRoster() && !contact.getOption(Contact.Options.SYNCED_VIA_OTHER));
1159				XmppConnection xmpp = contact.getAccount().getXmppConnection();
1160				if (xmpp != null && xmpp.getFeatures().blocking() && !contact.isSelf()) {
1161					if (contact.isBlocked()) {
1162						blockUnblockItem.setTitle(R.string.unblock_contact);
1163					} else {
1164						blockUnblockItem.setTitle(R.string.block_contact);
1165					}
1166				} else {
1167					blockUnblockItem.setVisible(false);
1168				}
1169			}
1170		}
1171
1172		@Override
1173		public boolean onContextItemSelected(final MenuItem item) {
1174			StartConversationActivity activity = (StartConversationActivity) getActivity();
1175			if (activity == null) {
1176				return true;
1177			}
1178			switch (item.getItemId()) {
1179				case R.id.context_contact_details:
1180					activity.openDetailsForContact();
1181					break;
1182				case R.id.context_show_qr:
1183					activity.showQrForContact();
1184					break;
1185				case R.id.context_contact_block_unblock:
1186					activity.toggleContactBlock();
1187					break;
1188				case R.id.context_delete_contact:
1189					activity.deleteContact();
1190					break;
1191				case R.id.context_share_uri:
1192					activity.shareBookmarkUri();
1193					break;
1194				case R.id.context_delete_conference:
1195					activity.deleteConference();
1196			}
1197			return true;
1198		}
1199	}
1200
1201	public class ListPagerAdapter extends PagerAdapter {
1202		private final FragmentManager fragmentManager;
1203		private final MyListFragment[] fragments;
1204
1205		ListPagerAdapter(FragmentManager fm) {
1206			fragmentManager = fm;
1207			fragments = new MyListFragment[2];
1208		}
1209
1210		public void requestFocus(int pos) {
1211			if (fragments.length > pos) {
1212				fragments[pos].getListView().requestFocus();
1213			}
1214		}
1215
1216		@Override
1217		public void destroyItem(@NonNull ViewGroup container, int position, @NonNull Object object) {
1218			FragmentTransaction trans = fragmentManager.beginTransaction();
1219			trans.remove(fragments[position]);
1220			trans.commit();
1221			fragments[position] = null;
1222		}
1223
1224		@NonNull
1225		@Override
1226		public Fragment instantiateItem(@NonNull ViewGroup container, int position) {
1227			final Fragment fragment = getItem(position);
1228			final FragmentTransaction trans = fragmentManager.beginTransaction();
1229			trans.add(container.getId(), fragment, "fragment:" + position);
1230			try {
1231				trans.commit();
1232			} catch (IllegalStateException e) {
1233				//ignore
1234			}
1235			return fragment;
1236		}
1237
1238		@Override
1239		public int getCount() {
1240			return fragments.length;
1241		}
1242
1243		@Override
1244		public boolean isViewFromObject(@NonNull View view, @NonNull Object fragment) {
1245			return ((Fragment) fragment).getView() == view;
1246		}
1247
1248		@Nullable
1249		@Override
1250		public CharSequence getPageTitle(int position) {
1251			switch (position) {
1252				case 0:
1253					return getResources().getString(R.string.contacts);
1254				case 1:
1255					return getResources().getString(R.string.bookmarks);
1256				default:
1257					return super.getPageTitle(position);
1258			}
1259		}
1260
1261		Fragment getItem(int position) {
1262			if (fragments[position] == null) {
1263				final MyListFragment listFragment = new MyListFragment();
1264				if (position == 1) {
1265					listFragment.setListAdapter(mConferenceAdapter);
1266					listFragment.setContextMenu(R.menu.conference_context);
1267					listFragment.setOnListItemClickListener((arg0, arg1, p, arg3) -> openConversationForBookmark(p));
1268				} else {
1269					listFragment.setListAdapter(mContactsAdapter);
1270					listFragment.setContextMenu(R.menu.contact_context);
1271					listFragment.setOnListItemClickListener((arg0, arg1, p, arg3) -> openConversationForContact(p));
1272					if (QuickConversationsService.isQuicksy()) {
1273						listFragment.setOnRefreshListener(StartConversationActivity.this);
1274					}
1275				}
1276				fragments[position] = listFragment;
1277			}
1278			return fragments[position];
1279		}
1280	}
1281
1282	public static void addInviteUri(Intent to, Intent from) {
1283		if (from != null && from.hasExtra(EXTRA_INVITE_URI)) {
1284			to.putExtra(EXTRA_INVITE_URI, from.getStringExtra(EXTRA_INVITE_URI));
1285		}
1286	}
1287
1288	private class Invite extends XmppUri {
1289
1290		public String account;
1291
1292		public boolean forceDialog = false;
1293
1294		public Invite(final Uri uri) {
1295			super(uri);
1296		}
1297
1298		public Invite(final String uri) {
1299			super(uri);
1300		}
1301
1302		public Invite(Uri uri, boolean safeSource) {
1303			super(uri, safeSource);
1304		}
1305
1306		boolean invite() {
1307			if (!isJidValid()) {
1308				Toast.makeText(StartConversationActivity.this, R.string.invalid_jid, Toast.LENGTH_SHORT).show();
1309				return false;
1310			}
1311			if (getJid() != null) {
1312				return handleJid(this);
1313			}
1314			return false;
1315		}
1316	}
1317}