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.v4.app.Fragment;
  19import android.support.v4.app.FragmentManager;
  20import android.support.v4.app.FragmentTransaction;
  21import android.support.v4.view.PagerAdapter;
  22import android.support.v4.view.ViewPager;
  23import android.support.v4.widget.SwipeRefreshLayout;
  24import android.support.v7.app.ActionBar;
  25import android.support.v7.app.AlertDialog;
  26import android.support.v7.widget.Toolbar;
  27import android.text.Editable;
  28import android.text.Html;
  29import android.text.TextWatcher;
  30import android.text.method.LinkMovementMethod;
  31import android.util.Log;
  32import android.util.Pair;
  33import android.view.ContextMenu;
  34import android.view.ContextMenu.ContextMenuInfo;
  35import android.view.KeyEvent;
  36import android.view.Menu;
  37import android.view.MenuItem;
  38import android.view.View;
  39import android.view.ViewGroup;
  40import android.view.inputmethod.InputMethodManager;
  41import android.widget.AdapterView;
  42import android.widget.AdapterView.AdapterContextMenuInfo;
  43import android.widget.ArrayAdapter;
  44import android.widget.AutoCompleteTextView;
  45import android.widget.CheckBox;
  46import android.widget.EditText;
  47import android.widget.ListView;
  48import android.widget.Spinner;
  49import android.widget.TextView;
  50import android.widget.Toast;
  51
  52import java.util.ArrayList;
  53import java.util.Collections;
  54import java.util.List;
  55import java.util.concurrent.atomic.AtomicBoolean;
  56
  57import eu.siacs.conversations.Config;
  58import eu.siacs.conversations.R;
  59import eu.siacs.conversations.databinding.ActivityStartConversationBinding;
  60import eu.siacs.conversations.entities.Account;
  61import eu.siacs.conversations.entities.Bookmark;
  62import eu.siacs.conversations.entities.Contact;
  63import eu.siacs.conversations.entities.Conversation;
  64import eu.siacs.conversations.entities.ListItem;
  65import eu.siacs.conversations.entities.Presence;
  66import eu.siacs.conversations.services.QuickConversationsService;
  67import eu.siacs.conversations.services.XmppConnectionService;
  68import eu.siacs.conversations.services.XmppConnectionService.OnRosterUpdate;
  69import eu.siacs.conversations.ui.adapter.ListItemAdapter;
  70import eu.siacs.conversations.ui.interfaces.OnBackendConnected;
  71import eu.siacs.conversations.ui.util.JidDialog;
  72import eu.siacs.conversations.ui.util.MenuDoubleTabUtil;
  73import eu.siacs.conversations.ui.util.PendingItem;
  74import eu.siacs.conversations.ui.util.SoftKeyboardUtils;
  75import eu.siacs.conversations.ui.widget.SwipeRefreshListFragment;
  76import eu.siacs.conversations.utils.AccountUtils;
  77import eu.siacs.conversations.utils.XmppUri;
  78import eu.siacs.conversations.xmpp.OnUpdateBlocklist;
  79import eu.siacs.conversations.xmpp.XmppConnection;
  80import rocks.xmpp.addr.Jid;
  81
  82public class StartConversationActivity extends XmppActivity implements XmppConnectionService.OnConversationUpdate, OnRosterUpdate, OnUpdateBlocklist, CreatePrivateGroupChatDialog.CreateConferenceDialogListener, JoinConferenceDialog.JoinConferenceDialogListener, SwipeRefreshLayout.OnRefreshListener, CreatePublicChannelDialog.CreatePublicChannelDialogListener {
  83
  84	public static final String EXTRA_INVITE_URI = "eu.siacs.conversations.invite_uri";
  85
  86	private final int REQUEST_SYNC_CONTACTS = 0x28cf;
  87	private final int REQUEST_CREATE_CONFERENCE = 0x39da;
  88	private final PendingItem<Intent> pendingViewIntent = new PendingItem<>();
  89	private final PendingItem<String> mInitialSearchValue = new PendingItem<>();
  90	private final AtomicBoolean oneShotKeyboardSuppress = new AtomicBoolean();
  91	public int conference_context_id;
  92	public int contact_context_id;
  93	private ListPagerAdapter mListPagerAdapter;
  94	private List<ListItem> contacts = new ArrayList<>();
  95	private ListItemAdapter mContactsAdapter;
  96	private List<ListItem> conferences = new ArrayList<>();
  97	private ListItemAdapter mConferenceAdapter;
  98	private List<String> mActivatedAccounts = new ArrayList<>();
  99	private EditText mSearchEditText;
 100	private AtomicBoolean mRequestedContactsPermission = new AtomicBoolean(false);
 101	private AtomicBoolean mOpenedFab = new AtomicBoolean(false);
 102	private boolean mHideOfflineContacts = false;
 103	private boolean createdByViewIntent = 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			if (binding.speedDial.isOpen()) {
 120				binding.speedDial.close();
 121			}
 122			return true;
 123		}
 124
 125		@Override
 126		public boolean onMenuItemActionCollapse(MenuItem item) {
 127			SoftKeyboardUtils.hideSoftKeyboard(StartConversationActivity.this);
 128			mSearchEditText.setText("");
 129			filter(null);
 130			return true;
 131		}
 132	};
 133	private TextWatcher mSearchTextWatcher = new TextWatcher() {
 134
 135		@Override
 136		public void afterTextChanged(Editable editable) {
 137			filter(editable.toString());
 138		}
 139
 140		@Override
 141		public void beforeTextChanged(CharSequence s, int start, int count, int after) {
 142		}
 143
 144		@Override
 145		public void onTextChanged(CharSequence s, int start, int before, int count) {
 146		}
 147	};
 148	private MenuItem mMenuSearchView;
 149	private ListItemAdapter.OnTagClickedListener mOnTagClickedListener = new ListItemAdapter.OnTagClickedListener() {
 150		@Override
 151		public void onTagClicked(String tag) {
 152			if (mMenuSearchView != null) {
 153				mMenuSearchView.expandActionView();
 154				mSearchEditText.setText("");
 155				mSearchEditText.append(tag);
 156				filter(tag);
 157			}
 158		}
 159	};
 160	private Pair<Integer, Intent> mPostponedActivityResult;
 161	private Toast mToast;
 162	private UiCallback<Conversation> mAdhocConferenceCallback = new UiCallback<Conversation>() {
 163		@Override
 164		public void success(final Conversation conversation) {
 165			runOnUiThread(() -> {
 166				hideToast();
 167				switchToConversation(conversation);
 168			});
 169		}
 170
 171		@Override
 172		public void error(final int errorCode, Conversation object) {
 173			runOnUiThread(() -> replaceToast(getString(errorCode)));
 174		}
 175
 176		@Override
 177		public void userInputRequried(PendingIntent pi, Conversation object) {
 178
 179		}
 180	};
 181	private ActivityStartConversationBinding binding;
 182	private TextView.OnEditorActionListener mSearchDone = new TextView.OnEditorActionListener() {
 183		@Override
 184		public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
 185			int pos = binding.startConversationViewPager.getCurrentItem();
 186			if (pos == 0) {
 187				if (contacts.size() == 1) {
 188					openConversationForContact((Contact) contacts.get(0));
 189					return true;
 190				} else if (contacts.size() == 0 && conferences.size() == 1) {
 191					openConversationsForBookmark((Bookmark) conferences.get(0));
 192					return true;
 193				}
 194			} else {
 195				if (conferences.size() == 1) {
 196					openConversationsForBookmark((Bookmark) conferences.get(0));
 197					return true;
 198				} else if (conferences.size() == 0 && contacts.size() == 1) {
 199					openConversationForContact((Contact) contacts.get(0));
 200					return true;
 201				}
 202			}
 203			SoftKeyboardUtils.hideSoftKeyboard(StartConversationActivity.this);
 204			mListPagerAdapter.requestFocus(pos);
 205			return true;
 206		}
 207	};
 208
 209	public static void populateAccountSpinner(Context context, List<String> accounts, Spinner spinner) {
 210		if (accounts.size() > 0) {
 211			ArrayAdapter<String> adapter = new ArrayAdapter<>(context, R.layout.simple_list_item, accounts);
 212			adapter.setDropDownViewResource(R.layout.simple_list_item);
 213			spinner.setAdapter(adapter);
 214			spinner.setEnabled(true);
 215		} else {
 216			ArrayAdapter<String> adapter = new ArrayAdapter<>(context,
 217					R.layout.simple_list_item,
 218					Collections.singletonList(context.getString(R.string.no_accounts)));
 219			adapter.setDropDownViewResource(R.layout.simple_list_item);
 220			spinner.setAdapter(adapter);
 221			spinner.setEnabled(false);
 222		}
 223	}
 224
 225	public static void launch(Context context) {
 226		final Intent intent = new Intent(context, StartConversationActivity.class);
 227		context.startActivity(intent);
 228	}
 229
 230	private static Intent createLauncherIntent(Context context) {
 231		final Intent intent = new Intent(context, StartConversationActivity.class);
 232		intent.setAction(Intent.ACTION_MAIN);
 233		intent.addCategory(Intent.CATEGORY_LAUNCHER);
 234		return intent;
 235	}
 236
 237	private static boolean isViewIntent(final Intent i) {
 238		return i != null && (Intent.ACTION_VIEW.equals(i.getAction()) || Intent.ACTION_SENDTO.equals(i.getAction()) || i.hasExtra(EXTRA_INVITE_URI));
 239	}
 240
 241	protected void hideToast() {
 242		if (mToast != null) {
 243			mToast.cancel();
 244		}
 245	}
 246
 247	protected void replaceToast(String msg) {
 248		hideToast();
 249		mToast = Toast.makeText(this, msg, Toast.LENGTH_LONG);
 250		mToast.show();
 251	}
 252
 253	@Override
 254	public void onRosterUpdate() {
 255		this.refreshUi();
 256	}
 257
 258	@Override
 259	public void onCreate(Bundle savedInstanceState) {
 260		super.onCreate(savedInstanceState);
 261		this.binding = DataBindingUtil.setContentView(this, R.layout.activity_start_conversation);
 262		Toolbar toolbar = (Toolbar) binding.toolbar;
 263		setSupportActionBar(toolbar);
 264		configureActionBar(getSupportActionBar());
 265
 266		binding.speedDial.inflate(R.menu.start_conversation_fab_submenu);
 267
 268		binding.tabLayout.setupWithViewPager(binding.startConversationViewPager);
 269		binding.startConversationViewPager.addOnPageChangeListener(new ViewPager.SimpleOnPageChangeListener() {
 270			@Override
 271			public void onPageSelected(int position) {
 272				updateSearchViewHint();
 273			}
 274		});
 275		mListPagerAdapter = new ListPagerAdapter(getSupportFragmentManager());
 276		binding.startConversationViewPager.setAdapter(mListPagerAdapter);
 277
 278		mConferenceAdapter = new ListItemAdapter(this, conferences);
 279		mContactsAdapter = new ListItemAdapter(this, contacts);
 280		mContactsAdapter.setOnTagClickedListener(this.mOnTagClickedListener);
 281
 282		final SharedPreferences preferences = getPreferences();
 283
 284		this.mHideOfflineContacts = QuickConversationsService.isConversations() && preferences.getBoolean("hide_offline", false);
 285
 286		final boolean startSearching = preferences.getBoolean("start_searching",getResources().getBoolean(R.bool.start_searching));
 287
 288		final Intent intent;
 289		if (savedInstanceState == null) {
 290			intent = getIntent();
 291		} else {
 292			createdByViewIntent = savedInstanceState.getBoolean("created_by_view_intent", false);
 293			final String search = savedInstanceState.getString("search");
 294			if (search != null) {
 295				mInitialSearchValue.push(search);
 296			}
 297			intent = savedInstanceState.getParcelable("intent");
 298		}
 299
 300		if (isViewIntent(intent)) {
 301			pendingViewIntent.push(intent);
 302			createdByViewIntent = true;
 303			setIntent(createLauncherIntent(this));
 304		} else if (startSearching && mInitialSearchValue.peek() == null) {
 305			mInitialSearchValue.push("");
 306		}
 307		mRequestedContactsPermission.set(savedInstanceState != null && savedInstanceState.getBoolean("requested_contacts_permission",false));
 308		mOpenedFab.set(savedInstanceState != null && savedInstanceState.getBoolean("opened_fab",false));
 309		binding.speedDial.setOnActionSelectedListener(actionItem -> {
 310			final String searchString = mSearchEditText != null ? mSearchEditText.getText().toString() : null;
 311			final String prefilled;
 312			if (isValidJid(searchString)) {
 313				prefilled = Jid.ofEscaped(searchString).toEscapedString();
 314			} else {
 315				prefilled = null;
 316			}
 317			switch (actionItem.getId()) {
 318				case R.id.discover_public_channels:
 319					startActivity(new Intent(this, ChannelDiscoveryActivity.class));
 320					break;
 321				case R.id.join_public_channel:
 322					showJoinConferenceDialog(prefilled);
 323					break;
 324				case R.id.create_private_group_chat:
 325					showCreatePrivateGroupChatDialog();
 326					break;
 327				case R.id.create_public_channel:
 328					showPublicChannelDialog();
 329					break;
 330				case R.id.create_contact:
 331					showCreateContactDialog(prefilled,null);
 332					break;
 333			}
 334			return false;
 335		});
 336	}
 337
 338	public static boolean isValidJid(String input) {
 339		try {
 340			Jid jid = Jid.ofEscaped(input);
 341			return !jid.isDomainJid();
 342		} catch (IllegalArgumentException e) {
 343			return false;
 344		}
 345	}
 346
 347	@Override
 348	public void onSaveInstanceState(Bundle savedInstanceState) {
 349		Intent pendingIntent = pendingViewIntent.peek();
 350		savedInstanceState.putParcelable("intent", pendingIntent != null ? pendingIntent : getIntent());
 351		savedInstanceState.putBoolean("requested_contacts_permission",mRequestedContactsPermission.get());
 352		savedInstanceState.putBoolean("opened_fab",mOpenedFab.get());
 353		savedInstanceState.putBoolean("created_by_view_intent",createdByViewIntent);
 354		if (mMenuSearchView != null && mMenuSearchView.isActionViewExpanded()) {
 355			savedInstanceState.putString("search", mSearchEditText != null ? mSearchEditText.getText().toString() : null);
 356		}
 357		super.onSaveInstanceState(savedInstanceState);
 358	}
 359
 360	@Override
 361	public void onStart() {
 362		super.onStart();
 363		final int theme = findTheme();
 364		if (this.mTheme != theme) {
 365			recreate();
 366		} else {
 367			if (pendingViewIntent.peek() == null) {
 368				askForContactsPermissions();
 369			}
 370		}
 371		mConferenceAdapter.refreshSettings();
 372		mContactsAdapter.refreshSettings();
 373	}
 374
 375	@Override
 376	public void onNewIntent(final Intent intent) {
 377		if (xmppConnectionServiceBound) {
 378			processViewIntent(intent);
 379		} else {
 380			pendingViewIntent.push(intent);
 381		}
 382		setIntent(createLauncherIntent(this));
 383	}
 384
 385	protected void openConversationForContact(int position) {
 386		Contact contact = (Contact) contacts.get(position);
 387		openConversationForContact(contact);
 388	}
 389
 390	protected void openConversationForContact(Contact contact) {
 391		Conversation conversation = xmppConnectionService.findOrCreateConversation(contact.getAccount(), contact.getJid(), false, true);
 392		SoftKeyboardUtils.hideSoftKeyboard(this);
 393		switchToConversation(conversation);
 394	}
 395
 396	protected void openConversationForBookmark(int position) {
 397		Bookmark bookmark = (Bookmark) conferences.get(position);
 398		openConversationsForBookmark(bookmark);
 399	}
 400
 401	protected void shareBookmarkUri() {
 402		shareBookmarkUri(conference_context_id);
 403	}
 404
 405	protected void shareBookmarkUri(int position) {
 406		Bookmark bookmark = (Bookmark) conferences.get(position);
 407		Intent shareIntent = new Intent();
 408		shareIntent.setAction(Intent.ACTION_SEND);
 409		shareIntent.putExtra(Intent.EXTRA_TEXT, "xmpp:" + bookmark.getJid().asBareJid().toEscapedString() + "?join");
 410		shareIntent.setType("text/plain");
 411		try {
 412			startActivity(Intent.createChooser(shareIntent, getText(R.string.share_uri_with)));
 413		} catch (ActivityNotFoundException e) {
 414			Toast.makeText(this, R.string.no_application_to_share_uri, Toast.LENGTH_SHORT).show();
 415		}
 416	}
 417
 418	protected void openConversationsForBookmark(Bookmark bookmark) {
 419		final Jid jid = bookmark.getFullJid();
 420		if (jid == null) {
 421			Toast.makeText(this, R.string.invalid_jid, Toast.LENGTH_SHORT).show();
 422			return;
 423		}
 424		Conversation conversation = xmppConnectionService.findOrCreateConversation(bookmark.getAccount(), jid, true, true, true);
 425		bookmark.setConversation(conversation);
 426		if (!bookmark.autojoin() && getPreferences().getBoolean("autojoin", getResources().getBoolean(R.bool.autojoin))) {
 427			bookmark.setAutojoin(true);
 428			xmppConnectionService.pushBookmarks(bookmark.getAccount());
 429		}
 430		SoftKeyboardUtils.hideSoftKeyboard(this);
 431		switchToConversation(conversation);
 432	}
 433
 434	protected void openDetailsForContact() {
 435		int position = contact_context_id;
 436		Contact contact = (Contact) contacts.get(position);
 437		switchToContactDetails(contact);
 438	}
 439
 440	protected void showQrForContact() {
 441		int position = contact_context_id;
 442		Contact contact = (Contact) contacts.get(position);
 443		showQrCode("xmpp:"+contact.getJid().asBareJid().toEscapedString());
 444	}
 445
 446	protected void toggleContactBlock() {
 447		final int position = contact_context_id;
 448		BlockContactDialog.show(this, (Contact) contacts.get(position));
 449	}
 450
 451	protected void deleteContact() {
 452		final int position = contact_context_id;
 453		final Contact contact = (Contact) contacts.get(position);
 454		final AlertDialog.Builder builder = new AlertDialog.Builder(this);
 455		builder.setNegativeButton(R.string.cancel, null);
 456		builder.setTitle(R.string.action_delete_contact);
 457		builder.setMessage(JidDialog.style(this, R.string.remove_contact_text, contact.getJid().toEscapedString()));
 458		builder.setPositiveButton(R.string.delete, (dialog, which) -> {
 459			xmppConnectionService.deleteContactOnServer(contact);
 460			filter(mSearchEditText.getText().toString());
 461		});
 462		builder.create().show();
 463	}
 464
 465	protected void deleteConference() {
 466		int position = conference_context_id;
 467		final Bookmark bookmark = (Bookmark) conferences.get(position);
 468
 469		AlertDialog.Builder builder = new AlertDialog.Builder(this);
 470		builder.setNegativeButton(R.string.cancel, null);
 471		builder.setTitle(R.string.delete_bookmark);
 472		builder.setMessage(JidDialog.style(this, R.string.remove_bookmark_text, bookmark.getJid().toEscapedString()));
 473		builder.setPositiveButton(R.string.delete, (dialog, which) -> {
 474			bookmark.setConversation(null);
 475			Account account = bookmark.getAccount();
 476			account.getBookmarks().remove(bookmark);
 477			xmppConnectionService.pushBookmarks(account);
 478			filter(mSearchEditText.getText().toString());
 479		});
 480		builder.create().show();
 481
 482	}
 483
 484	@SuppressLint("InflateParams")
 485	protected void showCreateContactDialog(final String prefilledJid, final Invite invite) {
 486		FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
 487		Fragment prev = getSupportFragmentManager().findFragmentByTag(FRAGMENT_TAG_DIALOG);
 488		if (prev != null) {
 489			ft.remove(prev);
 490		}
 491		ft.addToBackStack(null);
 492		EnterJidDialog dialog = EnterJidDialog.newInstance(
 493				mActivatedAccounts,
 494				getString(R.string.add_contact),
 495				getString(R.string.add),
 496				prefilledJid,
 497				null,
 498				invite == null || !invite.hasFingerprints(),
 499				true
 500		);
 501
 502		dialog.setOnEnterJidDialogPositiveListener((accountJid, contactJid) -> {
 503			if (!xmppConnectionServiceBound) {
 504				return false;
 505			}
 506
 507			final Account account = xmppConnectionService.findAccountByJid(accountJid);
 508			if (account == null) {
 509				return true;
 510			}
 511
 512			final Contact contact = account.getRoster().getContact(contactJid);
 513			if (invite != null && invite.getName() != null) {
 514				contact.setServerName(invite.getName());
 515			}
 516			if (contact.isSelf()) {
 517				switchToConversation(contact);
 518				return true;
 519			} else if (contact.showInRoster()) {
 520				throw new EnterJidDialog.JidError(getString(R.string.contact_already_exists));
 521			} else {
 522				xmppConnectionService.createContact(contact, true);
 523				if (invite != null && invite.hasFingerprints()) {
 524					xmppConnectionService.verifyFingerprints(contact, invite.getFingerprints());
 525				}
 526				switchToConversationDoNotAppend(contact, invite == null ? null : invite.getBody());
 527				return true;
 528			}
 529		});
 530		dialog.show(ft, FRAGMENT_TAG_DIALOG);
 531	}
 532
 533	@SuppressLint("InflateParams")
 534	protected void showJoinConferenceDialog(final String prefilledJid) {
 535		FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
 536		Fragment prev = getSupportFragmentManager().findFragmentByTag(FRAGMENT_TAG_DIALOG);
 537		if (prev != null) {
 538			ft.remove(prev);
 539		}
 540		ft.addToBackStack(null);
 541		JoinConferenceDialog joinConferenceFragment = JoinConferenceDialog.newInstance(prefilledJid, mActivatedAccounts);
 542		joinConferenceFragment.show(ft, FRAGMENT_TAG_DIALOG);
 543	}
 544
 545	private void showCreatePrivateGroupChatDialog() {
 546		FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
 547		Fragment prev = getSupportFragmentManager().findFragmentByTag(FRAGMENT_TAG_DIALOG);
 548		if (prev != null) {
 549			ft.remove(prev);
 550		}
 551		ft.addToBackStack(null);
 552		CreatePrivateGroupChatDialog createConferenceFragment = CreatePrivateGroupChatDialog.newInstance(mActivatedAccounts);
 553		createConferenceFragment.show(ft, FRAGMENT_TAG_DIALOG);
 554	}
 555
 556	private void showPublicChannelDialog() {
 557		FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
 558		Fragment prev = getSupportFragmentManager().findFragmentByTag(FRAGMENT_TAG_DIALOG);
 559		if (prev != null) {
 560			ft.remove(prev);
 561		}
 562		ft.addToBackStack(null);
 563		CreatePublicChannelDialog dialog = CreatePublicChannelDialog.newInstance(mActivatedAccounts);
 564		dialog.show(ft, FRAGMENT_TAG_DIALOG);
 565	}
 566
 567	public static Account getSelectedAccount(Context context, Spinner spinner) {
 568		if (spinner == null || !spinner.isEnabled()) {
 569			return null;
 570		}
 571		if (context instanceof XmppActivity) {
 572			Jid jid;
 573			try {
 574				if (Config.DOMAIN_LOCK != null) {
 575					jid = Jid.of((String) spinner.getSelectedItem(), Config.DOMAIN_LOCK, null);
 576				} else {
 577					jid = Jid.of((String) spinner.getSelectedItem());
 578				}
 579			} catch (final IllegalArgumentException e) {
 580				return null;
 581			}
 582			final XmppConnectionService service = ((XmppActivity) context).xmppConnectionService;
 583			if (service == null) {
 584				return null;
 585			}
 586			return service.findAccountByJid(jid);
 587		} else {
 588			return null;
 589		}
 590	}
 591
 592	protected void switchToConversation(Contact contact) {
 593		Conversation conversation = xmppConnectionService.findOrCreateConversation(contact.getAccount(), contact.getJid(), false, true);
 594		switchToConversation(conversation);
 595	}
 596
 597	protected void switchToConversationDoNotAppend(Contact contact, String body) {
 598		Conversation conversation = xmppConnectionService.findOrCreateConversation(contact.getAccount(), contact.getJid(), false, true);
 599		switchToConversationDoNotAppend(conversation, body);
 600	}
 601
 602	@Override
 603	public void invalidateOptionsMenu() {
 604		boolean isExpanded = mMenuSearchView != null && mMenuSearchView.isActionViewExpanded();
 605		String text = mSearchEditText != null ? mSearchEditText.getText().toString() : "";
 606		if (isExpanded) {
 607			mInitialSearchValue.push(text);
 608			oneShotKeyboardSuppress.set(true);
 609		}
 610		super.invalidateOptionsMenu();
 611	}
 612
 613	private void updateSearchViewHint() {
 614		if (binding == null || mSearchEditText == null) {
 615			return;
 616		}
 617		if (binding.startConversationViewPager.getCurrentItem() == 0) {
 618			mSearchEditText.setHint(R.string.search_contacts);
 619		} else {
 620			mSearchEditText.setHint(R.string.search_bookmarks);
 621		}
 622	}
 623
 624	@Override
 625	public boolean onCreateOptionsMenu(Menu menu) {
 626		getMenuInflater().inflate(R.menu.start_conversation, menu);
 627		AccountUtils.showHideMenuItems(menu);
 628		MenuItem menuHideOffline = menu.findItem(R.id.action_hide_offline);
 629		MenuItem qrCodeScanMenuItem = menu.findItem(R.id.action_scan_qr_code);
 630		qrCodeScanMenuItem.setVisible(isCameraFeatureAvailable());
 631		if (QuickConversationsService.isQuicksy()) {
 632			menuHideOffline.setVisible(false);
 633		} else {
 634			menuHideOffline.setVisible(true);
 635			menuHideOffline.setChecked(this.mHideOfflineContacts);
 636		}
 637		mMenuSearchView = menu.findItem(R.id.action_search);
 638		mMenuSearchView.setOnActionExpandListener(mOnActionExpandListener);
 639		View mSearchView = mMenuSearchView.getActionView();
 640		mSearchEditText = mSearchView.findViewById(R.id.search_field);
 641		mSearchEditText.addTextChangedListener(mSearchTextWatcher);
 642		mSearchEditText.setOnEditorActionListener(mSearchDone);
 643		String initialSearchValue = mInitialSearchValue.pop();
 644		if (initialSearchValue != null) {
 645			mMenuSearchView.expandActionView();
 646			mSearchEditText.append(initialSearchValue);
 647			filter(initialSearchValue);
 648		}
 649		updateSearchViewHint();
 650		return super.onCreateOptionsMenu(menu);
 651	}
 652
 653	@Override
 654	public boolean onOptionsItemSelected(MenuItem item) {
 655		if (MenuDoubleTabUtil.shouldIgnoreTap()) {
 656			return false;
 657		}
 658		switch (item.getItemId()) {
 659			case android.R.id.home:
 660				navigateBack();
 661				return true;
 662			case R.id.action_scan_qr_code:
 663				UriHandlerActivity.scan(this);
 664				return true;
 665			case R.id.action_hide_offline:
 666				mHideOfflineContacts = !item.isChecked();
 667				getPreferences().edit().putBoolean("hide_offline", mHideOfflineContacts).apply();
 668				if (mSearchEditText != null) {
 669					filter(mSearchEditText.getText().toString());
 670				}
 671				invalidateOptionsMenu();
 672		}
 673		return super.onOptionsItemSelected(item);
 674	}
 675
 676	@Override
 677	public boolean onKeyUp(int keyCode, KeyEvent event) {
 678		if (keyCode == KeyEvent.KEYCODE_SEARCH && !event.isLongPress()) {
 679			openSearch();
 680			return true;
 681		}
 682		int c = event.getUnicodeChar();
 683		if (c > 32) {
 684			if (mSearchEditText != null && !mSearchEditText.isFocused()) {
 685				openSearch();
 686				mSearchEditText.append(Character.toString((char) c));
 687				return true;
 688			}
 689		}
 690		return super.onKeyUp(keyCode, event);
 691	}
 692
 693	private void openSearch() {
 694		if (mMenuSearchView != null) {
 695			mMenuSearchView.expandActionView();
 696		}
 697	}
 698
 699	@Override
 700	public void onActivityResult(int requestCode, int resultCode, Intent intent) {
 701		if (resultCode == RESULT_OK) {
 702			if (xmppConnectionServiceBound) {
 703				this.mPostponedActivityResult = null;
 704				if (requestCode == REQUEST_CREATE_CONFERENCE) {
 705					Account account = extractAccount(intent);
 706					final String name = intent.getStringExtra(ChooseContactActivity.EXTRA_GROUP_CHAT_NAME);
 707					final List<Jid> jids = ChooseContactActivity.extractJabberIds(intent);
 708					if (account != null && jids.size() > 0) {
 709						if (xmppConnectionService.createAdhocConference(account, name, jids, mAdhocConferenceCallback)) {
 710							mToast = Toast.makeText(this, R.string.creating_conference, Toast.LENGTH_LONG);
 711							mToast.show();
 712						}
 713					}
 714				}
 715			} else {
 716				this.mPostponedActivityResult = new Pair<>(requestCode, intent);
 717			}
 718		}
 719		super.onActivityResult(requestCode, requestCode, intent);
 720	}
 721
 722	private void askForContactsPermissions() {
 723		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 724			if (checkSelfPermission(Manifest.permission.READ_CONTACTS) != PackageManager.PERMISSION_GRANTED) {
 725				if (mRequestedContactsPermission.compareAndSet(false, true)) {
 726					if (shouldShowRequestPermissionRationale(Manifest.permission.READ_CONTACTS)) {
 727						AlertDialog.Builder builder = new AlertDialog.Builder(this);
 728						builder.setTitle(R.string.sync_with_contacts);
 729						if (QuickConversationsService.isQuicksy()) {
 730							builder.setMessage(Html.fromHtml(getString(R.string.sync_with_contacts_quicksy)));
 731                        } else {
 732                            builder.setMessage(R.string.sync_with_contacts_long);
 733                        }
 734						builder.setPositiveButton(R.string.next, (dialog, which) -> requestPermissions(new String[]{Manifest.permission.READ_CONTACTS}, REQUEST_SYNC_CONTACTS));
 735						builder.setOnDismissListener(dialog -> requestPermissions(new String[]{Manifest.permission.READ_CONTACTS}, REQUEST_SYNC_CONTACTS));
 736						builder.setCancelable(false);
 737						AlertDialog dialog = builder.create();
 738						dialog.setCanceledOnTouchOutside(false);
 739						dialog.setOnShowListener(dialogInterface -> {
 740							final TextView tv =  dialog.findViewById(android.R.id.message);
 741							if (tv != null) {
 742								tv.setMovementMethod(LinkMovementMethod.getInstance());
 743							}
 744						});
 745						dialog.show();
 746					} else {
 747						requestPermissions(new String[]{Manifest.permission.READ_CONTACTS}, REQUEST_SYNC_CONTACTS);
 748					}
 749				}
 750			}
 751		}
 752	}
 753
 754	@Override
 755	public void onRequestPermissionsResult(int requestCode, @NonNull String permissions[], @NonNull int[] grantResults) {
 756		if (grantResults.length > 0)
 757			if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {
 758				ScanActivity.onRequestPermissionResult(this, requestCode, grantResults);
 759				if (requestCode == REQUEST_SYNC_CONTACTS && xmppConnectionServiceBound) {
 760					if (QuickConversationsService.isQuicksy()) {
 761						setRefreshing(true);
 762					}
 763					xmppConnectionService.loadPhoneContacts();
 764					xmppConnectionService.startContactObserver();
 765				}
 766			}
 767	}
 768
 769	private void configureHomeButton() {
 770		final ActionBar actionBar = getSupportActionBar();
 771		if (actionBar == null) {
 772			return;
 773		}
 774		boolean openConversations = !createdByViewIntent && !xmppConnectionService.isConversationsListEmpty(null);
 775		actionBar.setDisplayHomeAsUpEnabled(openConversations);
 776		actionBar.setDisplayHomeAsUpEnabled(openConversations);
 777
 778	}
 779
 780	@Override
 781	protected void onBackendConnected() {
 782
 783		if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M || checkSelfPermission(Manifest.permission.READ_CONTACTS) == PackageManager.PERMISSION_GRANTED) {
 784			xmppConnectionService.getQuickConversationsService().considerSyncBackground(false);
 785		}
 786		if (mPostponedActivityResult != null) {
 787			onActivityResult(mPostponedActivityResult.first, RESULT_OK, mPostponedActivityResult.second);
 788			this.mPostponedActivityResult = null;
 789		}
 790		this.mActivatedAccounts.clear();
 791		this.mActivatedAccounts.addAll(AccountUtils.getEnabledAccounts(xmppConnectionService));
 792		configureHomeButton();
 793		Intent intent = pendingViewIntent.pop();
 794		if (intent != null && processViewIntent(intent)) {
 795			filter(null);
 796		} else {
 797			if (mSearchEditText != null) {
 798				filter(mSearchEditText.getText().toString());
 799			} else {
 800				filter(null);
 801			}
 802		}
 803		Fragment fragment = getSupportFragmentManager().findFragmentByTag(FRAGMENT_TAG_DIALOG);
 804		if (fragment instanceof OnBackendConnected) {
 805			Log.d(Config.LOGTAG, "calling on backend connected on dialog");
 806			((OnBackendConnected) fragment).onBackendConnected();
 807		}
 808		if (QuickConversationsService.isQuicksy()) {
 809			setRefreshing(xmppConnectionService.getQuickConversationsService().isSynchronizing());
 810		}
 811		if (QuickConversationsService.isConversations() && AccountUtils.hasEnabledAccounts(xmppConnectionService) && this.contacts.size() == 0 && this.conferences.size() == 0 && mOpenedFab.compareAndSet(false,true)) {
 812			binding.speedDial.open();
 813		}
 814	}
 815
 816	protected boolean processViewIntent(@NonNull Intent intent) {
 817		final String inviteUri = intent.getStringExtra(EXTRA_INVITE_URI);
 818		if (inviteUri != null) {
 819			Invite invite = new Invite(inviteUri);
 820			if (invite.isJidValid()) {
 821				return invite.invite();
 822			}
 823		}
 824		final String action = intent.getAction();
 825		if (action == null) {
 826			return false;
 827		}
 828		switch (action) {
 829			case Intent.ACTION_SENDTO:
 830			case Intent.ACTION_VIEW:
 831				Uri uri = intent.getData();
 832				if (uri != null) {
 833					Invite invite = new Invite(intent.getData(), intent.getBooleanExtra("scanned", false));
 834					invite.account = intent.getStringExtra("account");
 835					return invite.invite();
 836				} else {
 837					return false;
 838				}
 839		}
 840		return false;
 841	}
 842
 843	private boolean handleJid(Invite invite) {
 844		List<Contact> contacts = xmppConnectionService.findContacts(invite.getJid(), invite.account);
 845		if (invite.isAction(XmppUri.ACTION_JOIN)) {
 846			Conversation muc = xmppConnectionService.findFirstMuc(invite.getJid());
 847			if (muc != null) {
 848				switchToConversationDoNotAppend(muc, invite.getBody());
 849				return true;
 850			} else {
 851				showJoinConferenceDialog(invite.getJid().asBareJid().toString());
 852				return false;
 853			}
 854		} else if (contacts.size() == 0) {
 855			showCreateContactDialog(invite.getJid().toString(), invite);
 856			return false;
 857		} else if (contacts.size() == 1) {
 858			Contact contact = contacts.get(0);
 859			if (!invite.isSafeSource() && invite.hasFingerprints()) {
 860				displayVerificationWarningDialog(contact, invite);
 861			} else {
 862				if (invite.hasFingerprints()) {
 863					if (xmppConnectionService.verifyFingerprints(contact, invite.getFingerprints())) {
 864						Toast.makeText(this, R.string.verified_fingerprints, Toast.LENGTH_SHORT).show();
 865					}
 866				}
 867				if (invite.account != null) {
 868					xmppConnectionService.getShortcutService().report(contact);
 869				}
 870				switchToConversationDoNotAppend(contact, invite.getBody());
 871			}
 872			return true;
 873		} else {
 874			if (mMenuSearchView != null) {
 875				mMenuSearchView.expandActionView();
 876				mSearchEditText.setText("");
 877				mSearchEditText.append(invite.getJid().toString());
 878				filter(invite.getJid().toString());
 879			} else {
 880				mInitialSearchValue.push(invite.getJid().toString());
 881			}
 882			return true;
 883		}
 884	}
 885
 886	private void displayVerificationWarningDialog(final Contact contact, final Invite invite) {
 887		AlertDialog.Builder builder = new AlertDialog.Builder(this);
 888		builder.setTitle(R.string.verify_omemo_keys);
 889		View view = getLayoutInflater().inflate(R.layout.dialog_verify_fingerprints, null);
 890		final CheckBox isTrustedSource = view.findViewById(R.id.trusted_source);
 891		TextView warning = view.findViewById(R.id.warning);
 892		warning.setText(JidDialog.style(this, R.string.verifying_omemo_keys_trusted_source, contact.getJid().asBareJid().toEscapedString(), contact.getDisplayName()));
 893		builder.setView(view);
 894		builder.setPositiveButton(R.string.confirm, (dialog, which) -> {
 895			if (isTrustedSource.isChecked() && invite.hasFingerprints()) {
 896				xmppConnectionService.verifyFingerprints(contact, invite.getFingerprints());
 897			}
 898			switchToConversationDoNotAppend(contact, invite.getBody());
 899		});
 900		builder.setNegativeButton(R.string.cancel, (dialog, which) -> StartConversationActivity.this.finish());
 901		AlertDialog dialog = builder.create();
 902		dialog.setCanceledOnTouchOutside(false);
 903		dialog.setOnCancelListener(dialog1 -> StartConversationActivity.this.finish());
 904		dialog.show();
 905	}
 906
 907	protected void filter(String needle) {
 908		if (xmppConnectionServiceBound) {
 909			this.filterContacts(needle);
 910			this.filterConferences(needle);
 911		}
 912	}
 913
 914	protected void filterContacts(String needle) {
 915		this.contacts.clear();
 916		final List<Account> accounts = xmppConnectionService.getAccounts();
 917		for (Account account : accounts) {
 918			if (account.getStatus() != Account.State.DISABLED) {
 919				for (Contact contact : account.getRoster().getContacts()) {
 920					Presence.Status s = contact.getShownStatus();
 921					if (contact.showInContactList() && contact.match(this, needle)
 922							&& (!this.mHideOfflineContacts
 923							|| (needle != null && !needle.trim().isEmpty())
 924							|| s.compareTo(Presence.Status.OFFLINE) < 0)) {
 925						this.contacts.add(contact);
 926					}
 927				}
 928			}
 929		}
 930		Collections.sort(this.contacts);
 931		mContactsAdapter.notifyDataSetChanged();
 932	}
 933
 934	protected void filterConferences(String needle) {
 935		this.conferences.clear();
 936		for (Account account : xmppConnectionService.getAccounts()) {
 937			if (account.getStatus() != Account.State.DISABLED) {
 938				for (Bookmark bookmark : account.getBookmarks()) {
 939					if (bookmark.match(this, needle)) {
 940						this.conferences.add(bookmark);
 941					}
 942				}
 943			}
 944		}
 945		Collections.sort(this.conferences);
 946		mConferenceAdapter.notifyDataSetChanged();
 947	}
 948
 949	@Override
 950	public void OnUpdateBlocklist(final Status status) {
 951		refreshUi();
 952	}
 953
 954	@Override
 955	protected void refreshUiReal() {
 956		if (mSearchEditText != null) {
 957			filter(mSearchEditText.getText().toString());
 958		}
 959		configureHomeButton();
 960		if (QuickConversationsService.isQuicksy()) {
 961			setRefreshing(xmppConnectionService.getQuickConversationsService().isSynchronizing());
 962		}
 963	}
 964
 965	@Override
 966	public void onBackPressed() {
 967		if (binding.speedDial.isOpen()) {
 968			binding.speedDial.close();
 969			return;
 970		}
 971		navigateBack();
 972	}
 973
 974	private void navigateBack() {
 975		if (!createdByViewIntent && xmppConnectionService != null && !xmppConnectionService.isConversationsListEmpty(null)) {
 976			Intent intent = new Intent(this, ConversationsActivity.class);
 977			intent.addFlags(Intent.FLAG_ACTIVITY_NO_ANIMATION);
 978			startActivity(intent);
 979		}
 980		finish();
 981	}
 982
 983	@Override
 984	public void onCreateDialogPositiveClick(Spinner spinner, String name) {
 985		if (!xmppConnectionServiceBound) {
 986			return;
 987		}
 988		final Account account = getSelectedAccount(this, spinner);
 989		if (account == null) {
 990			return;
 991		}
 992		Intent intent = new Intent(getApplicationContext(), ChooseContactActivity.class);
 993		intent.putExtra(ChooseContactActivity.EXTRA_SHOW_ENTER_JID, false);
 994		intent.putExtra(ChooseContactActivity.EXTRA_SELECT_MULTIPLE, true);
 995		intent.putExtra(ChooseContactActivity.EXTRA_GROUP_CHAT_NAME, name.trim());
 996		intent.putExtra(ChooseContactActivity.EXTRA_ACCOUNT, account.getJid().asBareJid().toString());
 997		intent.putExtra(ChooseContactActivity.EXTRA_TITLE_RES_ID, R.string.choose_participants);
 998		startActivityForResult(intent, REQUEST_CREATE_CONFERENCE);
 999	}
1000
1001	@Override
1002	public void onJoinDialogPositiveClick(Dialog dialog, Spinner spinner, AutoCompleteTextView jid, boolean isBookmarkChecked) {
1003		if (!xmppConnectionServiceBound) {
1004			return;
1005		}
1006		final Account account = getSelectedAccount(this, spinner);
1007		if (account == null) {
1008			return;
1009		}
1010		final Jid conferenceJid;
1011		try {
1012			conferenceJid = Jid.of(jid.getText().toString());
1013		} catch (final IllegalArgumentException e) {
1014			jid.setError(getString(R.string.invalid_jid));
1015			return;
1016		}
1017
1018		if (isBookmarkChecked) {
1019			if (account.hasBookmarkFor(conferenceJid)) {
1020				jid.setError(getString(R.string.bookmark_already_exists));
1021			} else {
1022				final Bookmark bookmark = new Bookmark(account, conferenceJid.asBareJid());
1023				bookmark.setAutojoin(getBooleanPreference("autojoin", R.bool.autojoin));
1024				String nick = conferenceJid.getResource();
1025				if (nick != null && !nick.isEmpty()) {
1026					bookmark.setNick(nick);
1027				}
1028				account.getBookmarks().add(bookmark);
1029				xmppConnectionService.pushBookmarks(account);
1030				final Conversation conversation = xmppConnectionService
1031						.findOrCreateConversation(account, conferenceJid, true, true, true);
1032				bookmark.setConversation(conversation);
1033				dialog.dismiss();
1034				switchToConversation(conversation);
1035			}
1036		} else {
1037			final Conversation conversation = xmppConnectionService
1038					.findOrCreateConversation(account, conferenceJid, true, true, true);
1039			dialog.dismiss();
1040			switchToConversation(conversation);
1041		}
1042	}
1043
1044	@Override
1045	public void onConversationUpdate() {
1046		refreshUi();
1047	}
1048
1049	@Override
1050	public void onRefresh() {
1051		Log.d(Config.LOGTAG,"user requested to refresh");
1052		if (QuickConversationsService.isQuicksy() && xmppConnectionService != null) {
1053			xmppConnectionService.getQuickConversationsService().considerSyncBackground(true);
1054		}
1055	}
1056
1057
1058	private void setRefreshing(boolean refreshing) {
1059		MyListFragment fragment = (MyListFragment) mListPagerAdapter.getItem(0);
1060		if (fragment != null) {
1061			fragment.setRefreshing(refreshing);
1062		}
1063	}
1064
1065	@Override
1066	public void onCreatePublicChannel(Account account, String name, Jid address) {
1067		mToast = Toast.makeText(this, R.string.creating_channel, Toast.LENGTH_LONG);
1068		mToast.show();
1069		xmppConnectionService.createPublicChannel(account, name, address, new UiCallback<Conversation>() {
1070			@Override
1071			public void success(Conversation conversation) {
1072				runOnUiThread(() -> {
1073					hideToast();
1074					switchToConversation(conversation);
1075				});
1076
1077			}
1078
1079			@Override
1080			public void error(int errorCode, Conversation conversation) {
1081				runOnUiThread(() -> {
1082					replaceToast(getString(errorCode));
1083					switchToConversation(conversation);
1084				});
1085			}
1086
1087			@Override
1088			public void userInputRequried(PendingIntent pi, Conversation object) {
1089
1090			}
1091		});
1092	}
1093
1094	public static class MyListFragment extends SwipeRefreshListFragment {
1095		private AdapterView.OnItemClickListener mOnItemClickListener;
1096		private int mResContextMenu;
1097
1098		public void setContextMenu(final int res) {
1099			this.mResContextMenu = res;
1100		}
1101
1102		@Override
1103		public void onListItemClick(final ListView l, final View v, final int position, final long id) {
1104			if (mOnItemClickListener != null) {
1105				mOnItemClickListener.onItemClick(l, v, position, id);
1106			}
1107		}
1108
1109		public void setOnListItemClickListener(AdapterView.OnItemClickListener l) {
1110			this.mOnItemClickListener = l;
1111		}
1112
1113		@Override
1114		public void onViewCreated(@NonNull final View view, final Bundle savedInstanceState) {
1115			super.onViewCreated(view, savedInstanceState);
1116			registerForContextMenu(getListView());
1117			getListView().setFastScrollEnabled(true);
1118			getListView().setDivider(null);
1119			getListView().setDividerHeight(0);
1120		}
1121
1122		@Override
1123		public void onCreateContextMenu(final ContextMenu menu, final View v, final ContextMenuInfo menuInfo) {
1124			super.onCreateContextMenu(menu, v, menuInfo);
1125			final StartConversationActivity activity = (StartConversationActivity) getActivity();
1126			if (activity == null) {
1127				return;
1128			}
1129			activity.getMenuInflater().inflate(mResContextMenu, menu);
1130			final AdapterView.AdapterContextMenuInfo acmi = (AdapterContextMenuInfo) menuInfo;
1131			if (mResContextMenu == R.menu.conference_context) {
1132				activity.conference_context_id = acmi.position;
1133			} else if (mResContextMenu == R.menu.contact_context) {
1134				activity.contact_context_id = acmi.position;
1135				final Contact contact = (Contact) activity.contacts.get(acmi.position);
1136				final MenuItem blockUnblockItem = menu.findItem(R.id.context_contact_block_unblock);
1137				final MenuItem showContactDetailsItem = menu.findItem(R.id.context_contact_details);
1138				final MenuItem deleteContactMenuItem = menu.findItem(R.id.context_delete_contact);
1139				if (contact.isSelf()) {
1140					showContactDetailsItem.setVisible(false);
1141				}
1142				deleteContactMenuItem.setVisible(contact.showInRoster() && !contact.getOption(Contact.Options.SYNCED_VIA_OTHER));
1143				XmppConnection xmpp = contact.getAccount().getXmppConnection();
1144				if (xmpp != null && xmpp.getFeatures().blocking() && !contact.isSelf()) {
1145					if (contact.isBlocked()) {
1146						blockUnblockItem.setTitle(R.string.unblock_contact);
1147					} else {
1148						blockUnblockItem.setTitle(R.string.block_contact);
1149					}
1150				} else {
1151					blockUnblockItem.setVisible(false);
1152				}
1153			}
1154		}
1155
1156		@Override
1157		public boolean onContextItemSelected(final MenuItem item) {
1158			StartConversationActivity activity = (StartConversationActivity) getActivity();
1159			if (activity == null) {
1160				return true;
1161			}
1162			switch (item.getItemId()) {
1163				case R.id.context_contact_details:
1164					activity.openDetailsForContact();
1165					break;
1166				case R.id.context_show_qr:
1167					activity.showQrForContact();
1168					break;
1169				case R.id.context_contact_block_unblock:
1170					activity.toggleContactBlock();
1171					break;
1172				case R.id.context_delete_contact:
1173					activity.deleteContact();
1174					break;
1175				case R.id.context_share_uri:
1176					activity.shareBookmarkUri();
1177					break;
1178				case R.id.context_delete_conference:
1179					activity.deleteConference();
1180			}
1181			return true;
1182		}
1183	}
1184
1185	public class ListPagerAdapter extends PagerAdapter {
1186		private final FragmentManager fragmentManager;
1187		private final MyListFragment[] fragments;
1188
1189		ListPagerAdapter(FragmentManager fm) {
1190			fragmentManager = fm;
1191			fragments = new MyListFragment[2];
1192		}
1193
1194		public void requestFocus(int pos) {
1195			if (fragments.length > pos) {
1196				fragments[pos].getListView().requestFocus();
1197			}
1198		}
1199
1200		@Override
1201		public void destroyItem(@NonNull ViewGroup container, int position, @NonNull Object object) {
1202			FragmentTransaction trans = fragmentManager.beginTransaction();
1203			trans.remove(fragments[position]);
1204			trans.commit();
1205			fragments[position] = null;
1206		}
1207
1208		@NonNull
1209		@Override
1210		public Fragment instantiateItem(@NonNull ViewGroup container, int position) {
1211			final Fragment fragment = getItem(position);
1212			final FragmentTransaction trans = fragmentManager.beginTransaction();
1213			trans.add(container.getId(), fragment, "fragment:" + position);
1214			try {
1215				trans.commit();
1216			} catch (IllegalStateException e) {
1217				//ignore
1218			}
1219			return fragment;
1220		}
1221
1222		@Override
1223		public int getCount() {
1224			return fragments.length;
1225		}
1226
1227		@Override
1228		public boolean isViewFromObject(@NonNull View view, @NonNull Object fragment) {
1229			return ((Fragment) fragment).getView() == view;
1230		}
1231
1232		@Nullable
1233		@Override
1234		public CharSequence getPageTitle(int position) {
1235			switch (position) {
1236				case 0:
1237					return getResources().getString(R.string.contacts);
1238				case 1:
1239					return getResources().getString(R.string.bookmarks);
1240				default:
1241					return super.getPageTitle(position);
1242			}
1243		}
1244
1245		Fragment getItem(int position) {
1246			if (fragments[position] == null) {
1247				final MyListFragment listFragment = new MyListFragment();
1248				if (position == 1) {
1249					listFragment.setListAdapter(mConferenceAdapter);
1250					listFragment.setContextMenu(R.menu.conference_context);
1251					listFragment.setOnListItemClickListener((arg0, arg1, p, arg3) -> openConversationForBookmark(p));
1252				} else {
1253					listFragment.setListAdapter(mContactsAdapter);
1254					listFragment.setContextMenu(R.menu.contact_context);
1255					listFragment.setOnListItemClickListener((arg0, arg1, p, arg3) -> openConversationForContact(p));
1256					if (QuickConversationsService.isQuicksy()) {
1257						listFragment.setOnRefreshListener(StartConversationActivity.this);
1258					}
1259				}
1260				fragments[position] = listFragment;
1261			}
1262			return fragments[position];
1263		}
1264	}
1265
1266	public static void addInviteUri(Intent to, Intent from) {
1267		if (from != null && from.hasExtra(EXTRA_INVITE_URI)) {
1268			to.putExtra(EXTRA_INVITE_URI, from.getStringExtra(EXTRA_INVITE_URI));
1269		}
1270	}
1271
1272	private class Invite extends XmppUri {
1273
1274		public String account;
1275
1276		public Invite(final Uri uri) {
1277			super(uri);
1278		}
1279
1280		public Invite(final String uri) {
1281			super(uri);
1282		}
1283
1284		public Invite(Uri uri, boolean safeSource) {
1285			super(uri, safeSource);
1286		}
1287
1288		boolean invite() {
1289			if (!isJidValid()) {
1290				Toast.makeText(StartConversationActivity.this, R.string.invalid_jid, Toast.LENGTH_SHORT).show();
1291				return false;
1292			}
1293			if (getJid() != null) {
1294				return handleJid(this);
1295			}
1296			return false;
1297		}
1298	}
1299}