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