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()) || i.hasExtra(WelcomeActivity.EXTRA_INVITE_URI));
 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			if (pendingViewIntent.peek() == null) {
 320				askForContactsPermissions();
 321			}
 322		}
 323		mConferenceAdapter.refreshSettings();
 324		mContactsAdapter.refreshSettings();
 325	}
 326
 327	@Override
 328	public void onNewIntent(final Intent intent) {
 329		if (xmppConnectionServiceBound) {
 330			processViewIntent(intent);
 331		} else {
 332			pendingViewIntent.push(intent);
 333		}
 334		setIntent(createLauncherIntent(this));
 335	}
 336
 337	protected void openConversationForContact(int position) {
 338		Contact contact = (Contact) contacts.get(position);
 339		openConversationForContact(contact);
 340	}
 341
 342	protected void openConversationForContact(Contact contact) {
 343		Conversation conversation = xmppConnectionService.findOrCreateConversation(contact.getAccount(), contact.getJid(), false, true);
 344		switchToConversation(conversation);
 345	}
 346
 347	protected void openConversationForContact() {
 348		int position = contact_context_id;
 349		openConversationForContact(position);
 350	}
 351
 352	protected void openConversationForBookmark() {
 353		openConversationForBookmark(conference_context_id);
 354	}
 355
 356	protected void openConversationForBookmark(int position) {
 357		Bookmark bookmark = (Bookmark) conferences.get(position);
 358		openConversationsForBookmark(bookmark);
 359	}
 360
 361	protected void shareBookmarkUri() {
 362		shareBookmarkUri(conference_context_id);
 363	}
 364
 365	protected void shareBookmarkUri(int position) {
 366		Bookmark bookmark = (Bookmark) conferences.get(position);
 367		Intent shareIntent = new Intent();
 368		shareIntent.setAction(Intent.ACTION_SEND);
 369		shareIntent.putExtra(Intent.EXTRA_TEXT, "xmpp:" + bookmark.getJid().asBareJid().toEscapedString() + "?join");
 370		shareIntent.setType("text/plain");
 371		try {
 372			startActivity(Intent.createChooser(shareIntent, getText(R.string.share_uri_with)));
 373		} catch (ActivityNotFoundException e) {
 374			Toast.makeText(this, R.string.no_application_to_share_uri, Toast.LENGTH_SHORT).show();
 375		}
 376	}
 377
 378	protected void openConversationsForBookmark(Bookmark bookmark) {
 379		Jid jid = bookmark.getJid();
 380		if (jid == null) {
 381			Toast.makeText(this, R.string.invalid_jid, Toast.LENGTH_SHORT).show();
 382			return;
 383		}
 384		Conversation conversation = xmppConnectionService.findOrCreateConversation(bookmark.getAccount(), jid, true, true, true);
 385		bookmark.setConversation(conversation);
 386		if (!bookmark.autojoin() && getPreferences().getBoolean("autojoin", getResources().getBoolean(R.bool.autojoin))) {
 387			bookmark.setAutojoin(true);
 388			xmppConnectionService.pushBookmarks(bookmark.getAccount());
 389		}
 390		switchToConversation(conversation);
 391	}
 392
 393	protected void openDetailsForContact() {
 394		int position = contact_context_id;
 395		Contact contact = (Contact) contacts.get(position);
 396		switchToContactDetails(contact);
 397	}
 398
 399	protected void toggleContactBlock() {
 400		final int position = contact_context_id;
 401		BlockContactDialog.show(this, (Contact) contacts.get(position));
 402	}
 403
 404	protected void deleteContact() {
 405		final int position = contact_context_id;
 406		final Contact contact = (Contact) contacts.get(position);
 407		final AlertDialog.Builder builder = new AlertDialog.Builder(this);
 408		builder.setNegativeButton(R.string.cancel, null);
 409		builder.setTitle(R.string.action_delete_contact);
 410		builder.setMessage(getString(R.string.remove_contact_text, contact.getJid()));
 411		builder.setPositiveButton(R.string.delete, (dialog, which) -> {
 412			xmppConnectionService.deleteContactOnServer(contact);
 413			filter(mSearchEditText.getText().toString());
 414		});
 415		builder.create().show();
 416	}
 417
 418	protected void deleteConference() {
 419		int position = conference_context_id;
 420		final Bookmark bookmark = (Bookmark) conferences.get(position);
 421
 422		AlertDialog.Builder builder = new AlertDialog.Builder(this);
 423		builder.setNegativeButton(R.string.cancel, null);
 424		builder.setTitle(R.string.delete_bookmark);
 425		builder.setMessage(getString(R.string.remove_bookmark_text,
 426				bookmark.getJid()));
 427		builder.setPositiveButton(R.string.delete, (dialog, which) -> {
 428			bookmark.setConversation(null);
 429			Account account = bookmark.getAccount();
 430			account.getBookmarks().remove(bookmark);
 431			xmppConnectionService.pushBookmarks(account);
 432			filter(mSearchEditText.getText().toString());
 433		});
 434		builder.create().show();
 435
 436	}
 437
 438	@SuppressLint("InflateParams")
 439	protected void showCreateContactDialog(final String prefilledJid, final Invite invite) {
 440		FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
 441		Fragment prev = getSupportFragmentManager().findFragmentByTag(FRAGMENT_TAG_DIALOG);
 442		if (prev != null) {
 443			ft.remove(prev);
 444		}
 445		ft.addToBackStack(null);
 446		EnterJidDialog dialog = EnterJidDialog.newInstance(
 447				mActivatedAccounts,
 448				getString(R.string.dialog_title_create_contact),
 449				getString(R.string.create),
 450				prefilledJid,
 451				null,
 452				invite == null || !invite.hasFingerprints()
 453		);
 454
 455		dialog.setOnEnterJidDialogPositiveListener((accountJid, contactJid) -> {
 456			if (!xmppConnectionServiceBound) {
 457				return false;
 458			}
 459
 460			final Account account = xmppConnectionService.findAccountByJid(accountJid);
 461			if (account == null) {
 462				return true;
 463			}
 464
 465			final Contact contact = account.getRoster().getContact(contactJid);
 466			if (invite != null && invite.getName() != null) {
 467				contact.setServerName(invite.getName());
 468			}
 469			if (contact.isSelf()) {
 470				switchToConversation(contact, null);
 471				return true;
 472			} else if (contact.showInRoster()) {
 473				throw new EnterJidDialog.JidError(getString(R.string.contact_already_exists));
 474			} else {
 475				xmppConnectionService.createContact(contact, true);
 476				if (invite != null && invite.hasFingerprints()) {
 477					xmppConnectionService.verifyFingerprints(contact, invite.getFingerprints());
 478				}
 479				switchToConversation(contact, invite == null ? null : invite.getBody());
 480				return true;
 481			}
 482		});
 483		dialog.show(ft, FRAGMENT_TAG_DIALOG);
 484	}
 485
 486	@SuppressLint("InflateParams")
 487	protected void showJoinConferenceDialog(final String prefilledJid) {
 488		FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
 489		Fragment prev = getSupportFragmentManager().findFragmentByTag(FRAGMENT_TAG_DIALOG);
 490		if (prev != null) {
 491			ft.remove(prev);
 492		}
 493		ft.addToBackStack(null);
 494		JoinConferenceDialog joinConferenceFragment = JoinConferenceDialog.newInstance(prefilledJid, mActivatedAccounts);
 495		joinConferenceFragment.show(ft, FRAGMENT_TAG_DIALOG);
 496	}
 497
 498	private void showCreateConferenceDialog() {
 499		FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
 500		Fragment prev = getSupportFragmentManager().findFragmentByTag(FRAGMENT_TAG_DIALOG);
 501		if (prev != null) {
 502			ft.remove(prev);
 503		}
 504		ft.addToBackStack(null);
 505		CreateConferenceDialog createConferenceFragment = CreateConferenceDialog.newInstance(mActivatedAccounts);
 506		createConferenceFragment.show(ft, FRAGMENT_TAG_DIALOG);
 507	}
 508
 509	private Account getSelectedAccount(Spinner spinner) {
 510		if (!spinner.isEnabled()) {
 511			return null;
 512		}
 513		Jid jid;
 514		try {
 515			if (Config.DOMAIN_LOCK != null) {
 516				jid = Jid.of((String) spinner.getSelectedItem(), Config.DOMAIN_LOCK, null);
 517			} else {
 518				jid = Jid.of((String) spinner.getSelectedItem());
 519			}
 520		} catch (final IllegalArgumentException e) {
 521			return null;
 522		}
 523		return xmppConnectionService.findAccountByJid(jid);
 524	}
 525
 526	protected void switchToConversation(Contact contact, String body) {
 527		Conversation conversation = xmppConnectionService
 528				.findOrCreateConversation(contact.getAccount(),
 529						contact.getJid(), false, true);
 530		switchToConversation(conversation, body, false);
 531	}
 532
 533	@Override
 534	public void invalidateOptionsMenu() {
 535		boolean isExpanded = mMenuSearchView != null && mMenuSearchView.isActionViewExpanded();
 536		String text = mSearchEditText != null ? mSearchEditText.getText().toString() : "";
 537		if (isExpanded) {
 538			mInitialSearchValue.push(text);
 539			oneShotKeyboardSuppress.set(true);
 540		}
 541		super.invalidateOptionsMenu();
 542	}
 543
 544	@Override
 545	public boolean onCreateOptionsMenu(Menu menu) {
 546		getMenuInflater().inflate(R.menu.start_conversation, menu);
 547		MenuItem menuHideOffline = menu.findItem(R.id.action_hide_offline);
 548		MenuItem joinGroupChat = menu.findItem(R.id.action_join_conference);
 549		MenuItem qrCodeScanMenuItem = menu.findItem(R.id.action_scan_qr_code);
 550		joinGroupChat.setVisible(binding.startConversationViewPager.getCurrentItem() == 1);
 551		qrCodeScanMenuItem.setVisible(isCameraFeatureAvailable());
 552		menuHideOffline.setChecked(this.mHideOfflineContacts);
 553		mMenuSearchView = menu.findItem(R.id.action_search);
 554		mMenuSearchView.setOnActionExpandListener(mOnActionExpandListener);
 555		View mSearchView = mMenuSearchView.getActionView();
 556		mSearchEditText = mSearchView.findViewById(R.id.search_field);
 557		mSearchEditText.addTextChangedListener(mSearchTextWatcher);
 558		mSearchEditText.setOnEditorActionListener(mSearchDone);
 559		String initialSearchValue = mInitialSearchValue.pop();
 560		if (initialSearchValue != null) {
 561			mMenuSearchView.expandActionView();
 562			mSearchEditText.append(initialSearchValue);
 563			filter(initialSearchValue);
 564		}
 565		return super.onCreateOptionsMenu(menu);
 566	}
 567
 568	@Override
 569	public boolean onOptionsItemSelected(MenuItem item) {
 570		if (MenuDoubleTabUtil.shouldIgnoreTap()) {
 571			return false;
 572		}
 573		switch (item.getItemId()) {
 574			case R.id.action_join_conference:
 575				showJoinConferenceDialog(null);
 576				return true;
 577			case R.id.action_scan_qr_code:
 578				UriHandlerActivity.scan(this);
 579				return true;
 580			case R.id.action_hide_offline:
 581				mHideOfflineContacts = !item.isChecked();
 582				getPreferences().edit().putBoolean("hide_offline", mHideOfflineContacts).commit();
 583				if (mSearchEditText != null) {
 584					filter(mSearchEditText.getText().toString());
 585				}
 586				invalidateOptionsMenu();
 587		}
 588		return super.onOptionsItemSelected(item);
 589	}
 590
 591	@Override
 592	public boolean onKeyUp(int keyCode, KeyEvent event) {
 593		if (keyCode == KeyEvent.KEYCODE_SEARCH && !event.isLongPress()) {
 594			openSearch();
 595			return true;
 596		}
 597		int c = event.getUnicodeChar();
 598		if (c > 32) {
 599			if (mSearchEditText != null && !mSearchEditText.isFocused()) {
 600				openSearch();
 601				mSearchEditText.append(Character.toString((char) c));
 602				return true;
 603			}
 604		}
 605		return super.onKeyUp(keyCode, event);
 606	}
 607
 608	private void openSearch() {
 609		if (mMenuSearchView != null) {
 610			mMenuSearchView.expandActionView();
 611		}
 612	}
 613
 614	@Override
 615	public void onActivityResult(int requestCode, int resultCode, Intent intent) {
 616		if (resultCode == RESULT_OK) {
 617			if (xmppConnectionServiceBound) {
 618				this.mPostponedActivityResult = null;
 619				if (requestCode == REQUEST_CREATE_CONFERENCE) {
 620					Account account = extractAccount(intent);
 621					final String subject = intent.getStringExtra("subject");
 622					List<Jid> jids = new ArrayList<>();
 623					if (intent.getBooleanExtra("multiple", false)) {
 624						String[] toAdd = intent.getStringArrayExtra("contacts");
 625						for (String item : toAdd) {
 626							try {
 627								jids.add(Jid.of(item));
 628							} catch (IllegalArgumentException e) {
 629								//ignored
 630							}
 631						}
 632					} else {
 633						try {
 634							jids.add(Jid.of(intent.getStringExtra("contact")));
 635						} catch (Exception e) {
 636							//ignored
 637						}
 638					}
 639					if (account != null && jids.size() > 0) {
 640						if (xmppConnectionService.createAdhocConference(account, subject, jids, mAdhocConferenceCallback)) {
 641							mToast = Toast.makeText(this, R.string.creating_conference, Toast.LENGTH_LONG);
 642							mToast.show();
 643						}
 644					}
 645				}
 646			} else {
 647				this.mPostponedActivityResult = new Pair<>(requestCode, intent);
 648			}
 649		}
 650		super.onActivityResult(requestCode, requestCode, intent);
 651	}
 652
 653	private void askForContactsPermissions() {
 654		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 655			if (checkSelfPermission(Manifest.permission.READ_CONTACTS) != PackageManager.PERMISSION_GRANTED) {
 656				if (mRequestedContactsPermission.compareAndSet(false, true)) {
 657					if (shouldShowRequestPermissionRationale(Manifest.permission.READ_CONTACTS)) {
 658						AlertDialog.Builder builder = new AlertDialog.Builder(this);
 659						builder.setTitle(R.string.sync_with_contacts);
 660						builder.setMessage(R.string.sync_with_contacts_long);
 661						builder.setPositiveButton(R.string.next, (dialog, which) -> {
 662							if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 663								requestPermissions(new String[]{Manifest.permission.READ_CONTACTS}, REQUEST_SYNC_CONTACTS);
 664							}
 665						});
 666						builder.setOnDismissListener(dialog -> {
 667							if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 668								requestPermissions(new String[]{Manifest.permission.READ_CONTACTS}, REQUEST_SYNC_CONTACTS);
 669							}
 670						});
 671						builder.create().show();
 672					} else {
 673						requestPermissions(new String[]{Manifest.permission.READ_CONTACTS}, 0);
 674					}
 675				}
 676			}
 677		}
 678	}
 679
 680	@Override
 681	public void onRequestPermissionsResult(int requestCode, @NonNull String permissions[], @NonNull int[] grantResults) {
 682		if (grantResults.length > 0)
 683			if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {
 684				ScanActivity.onRequestPermissionResult(this, requestCode, grantResults);
 685				if (requestCode == REQUEST_SYNC_CONTACTS && xmppConnectionServiceBound) {
 686					xmppConnectionService.loadPhoneContacts();
 687				}
 688			}
 689	}
 690
 691	@Override
 692	protected void onBackendConnected() {
 693		if (mPostponedActivityResult != null) {
 694			onActivityResult(mPostponedActivityResult.first, RESULT_OK, mPostponedActivityResult.second);
 695			this.mPostponedActivityResult = null;
 696		}
 697		this.mActivatedAccounts.clear();
 698		for (Account account : xmppConnectionService.getAccounts()) {
 699			if (account.getStatus() != Account.State.DISABLED) {
 700				if (Config.DOMAIN_LOCK != null) {
 701					this.mActivatedAccounts.add(account.getJid().getLocal());
 702				} else {
 703					this.mActivatedAccounts.add(account.getJid().asBareJid().toString());
 704				}
 705			}
 706		}
 707		final ActionBar ab = getSupportActionBar();
 708		boolean noConversations = xmppConnectionService.getConversations().size() == 0;
 709		if (noConversations && ab != null) {
 710			ab.setDisplayShowHomeEnabled(false);
 711			ab.setDisplayHomeAsUpEnabled(false);
 712			ab.setHomeButtonEnabled(false);
 713		}
 714		Intent intent = pendingViewIntent.pop();
 715		if (intent != null && processViewIntent(intent)) {
 716			filter(null);
 717		} else {
 718			if (mSearchEditText != null) {
 719				filter(mSearchEditText.getText().toString());
 720			} else {
 721				filter(null);
 722			}
 723		}
 724		Fragment fragment = getSupportFragmentManager().findFragmentByTag(FRAGMENT_TAG_DIALOG);
 725		if (fragment != null && fragment instanceof OnBackendConnected) {
 726			Log.d(Config.LOGTAG, "calling on backend connected on dialog");
 727			((OnBackendConnected) fragment).onBackendConnected();
 728		}
 729	}
 730
 731	protected boolean processViewIntent(@NonNull Intent intent) {
 732		final String inviteUri = intent.getStringExtra(WelcomeActivity.EXTRA_INVITE_URI);
 733		if (inviteUri != null) {
 734			Invite invite = new Invite(inviteUri);
 735			if (invite.isJidValid()) {
 736				return invite.invite();
 737			}
 738		}
 739		switch (intent.getAction()) {
 740			case Intent.ACTION_SENDTO:
 741			case Intent.ACTION_VIEW:
 742				Uri uri = intent.getData();
 743				if (uri != null) {
 744					Invite invite = new Invite(intent.getData(), intent.getBooleanExtra("scanned", false));
 745					invite.account = intent.getStringExtra("account");
 746					return invite.invite();
 747				} else {
 748					return false;
 749				}
 750		}
 751		return false;
 752	}
 753
 754	private boolean handleJid(Invite invite) {
 755		List<Contact> contacts = xmppConnectionService.findContacts(invite.getJid(), invite.account);
 756		if (invite.isAction(XmppUri.ACTION_JOIN)) {
 757			Conversation muc = xmppConnectionService.findFirstMuc(invite.getJid());
 758			if (muc != null) {
 759				switchToConversation(muc, invite.getBody(), false);
 760				return true;
 761			} else {
 762				showJoinConferenceDialog(invite.getJid().asBareJid().toString());
 763				return false;
 764			}
 765		} else if (contacts.size() == 0) {
 766			showCreateContactDialog(invite.getJid().toString(), invite);
 767			return false;
 768		} else if (contacts.size() == 1) {
 769			Contact contact = contacts.get(0);
 770			if (!invite.isSafeSource() && invite.hasFingerprints()) {
 771				displayVerificationWarningDialog(contact, invite);
 772			} else {
 773				if (invite.hasFingerprints()) {
 774					if (xmppConnectionService.verifyFingerprints(contact, invite.getFingerprints())) {
 775						Toast.makeText(this, R.string.verified_fingerprints, Toast.LENGTH_SHORT).show();
 776					}
 777				}
 778				if (invite.account != null) {
 779					xmppConnectionService.getShortcutService().report(contact);
 780				}
 781				switchToConversation(contact, invite.getBody());
 782			}
 783			return true;
 784		} else {
 785			if (mMenuSearchView != null) {
 786				mMenuSearchView.expandActionView();
 787				mSearchEditText.setText("");
 788				mSearchEditText.append(invite.getJid().toString());
 789				filter(invite.getJid().toString());
 790			} else {
 791				mInitialSearchValue.push(invite.getJid().toString());
 792			}
 793			return true;
 794		}
 795	}
 796
 797	private void displayVerificationWarningDialog(final Contact contact, final Invite invite) {
 798		AlertDialog.Builder builder = new AlertDialog.Builder(this);
 799		builder.setTitle(R.string.verify_omemo_keys);
 800		View view = getLayoutInflater().inflate(R.layout.dialog_verify_fingerprints, null);
 801		final CheckBox isTrustedSource = view.findViewById(R.id.trusted_source);
 802		TextView warning = view.findViewById(R.id.warning);
 803		String jid = contact.getJid().asBareJid().toString();
 804		SpannableString spannable = new SpannableString(getString(R.string.verifying_omemo_keys_trusted_source, jid, contact.getDisplayName()));
 805		int start = spannable.toString().indexOf(jid);
 806		if (start >= 0) {
 807			spannable.setSpan(new TypefaceSpan("monospace"), start, start + jid.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
 808		}
 809		warning.setText(spannable);
 810		builder.setView(view);
 811		builder.setPositiveButton(R.string.confirm, (dialog, which) -> {
 812			if (isTrustedSource.isChecked() && invite.hasFingerprints()) {
 813				xmppConnectionService.verifyFingerprints(contact, invite.getFingerprints());
 814			}
 815			switchToConversation(contact, invite.getBody());
 816		});
 817		builder.setNegativeButton(R.string.cancel, (dialog, which) -> StartConversationActivity.this.finish());
 818		AlertDialog dialog = builder.create();
 819		dialog.setCanceledOnTouchOutside(false);
 820		dialog.setOnCancelListener(dialog1 -> StartConversationActivity.this.finish());
 821		dialog.show();
 822	}
 823
 824	protected void filter(String needle) {
 825		if (xmppConnectionServiceBound) {
 826			this.filterContacts(needle);
 827			this.filterConferences(needle);
 828		}
 829	}
 830
 831	protected void filterContacts(String needle) {
 832		this.contacts.clear();
 833		for (Account account : xmppConnectionService.getAccounts()) {
 834			if (account.getStatus() != Account.State.DISABLED) {
 835				for (Contact contact : account.getRoster().getContacts()) {
 836					Presence.Status s = contact.getShownStatus();
 837					if (contact.showInRoster() && contact.match(this, needle)
 838							&& (!this.mHideOfflineContacts
 839							|| (needle != null && !needle.trim().isEmpty())
 840							|| s.compareTo(Presence.Status.OFFLINE) < 0)) {
 841						this.contacts.add(contact);
 842					}
 843				}
 844			}
 845		}
 846		Collections.sort(this.contacts);
 847		mContactsAdapter.notifyDataSetChanged();
 848	}
 849
 850	protected void filterConferences(String needle) {
 851		this.conferences.clear();
 852		for (Account account : xmppConnectionService.getAccounts()) {
 853			if (account.getStatus() != Account.State.DISABLED) {
 854				for (Bookmark bookmark : account.getBookmarks()) {
 855					if (bookmark.match(this, needle)) {
 856						this.conferences.add(bookmark);
 857					}
 858				}
 859			}
 860		}
 861		Collections.sort(this.conferences);
 862		mConferenceAdapter.notifyDataSetChanged();
 863	}
 864
 865	private void onTabChanged() {
 866		@DrawableRes final int fabDrawable;
 867		if (binding.startConversationViewPager.getCurrentItem() == 0) {
 868			fabDrawable = R.drawable.ic_person_add_white_24dp;
 869		} else {
 870			fabDrawable = R.drawable.ic_group_add_white_24dp;
 871		}
 872		binding.fab.setImageResource(fabDrawable);
 873		invalidateOptionsMenu();
 874	}
 875
 876	@Override
 877	public void OnUpdateBlocklist(final Status status) {
 878		refreshUi();
 879	}
 880
 881	@Override
 882	protected void refreshUiReal() {
 883		if (mSearchEditText != null) {
 884			filter(mSearchEditText.getText().toString());
 885		}
 886	}
 887
 888	@Override
 889	public void onCreateDialogPositiveClick(Spinner spinner, String subject) {
 890		if (!xmppConnectionServiceBound) {
 891			return;
 892		}
 893		final Account account = getSelectedAccount(spinner);
 894		if (account == null) {
 895			return;
 896		}
 897		Intent intent = new Intent(getApplicationContext(), ChooseContactActivity.class);
 898		intent.putExtra("multiple", true);
 899		intent.putExtra("show_enter_jid", true);
 900		intent.putExtra("subject", subject);
 901		intent.putExtra(EXTRA_ACCOUNT, account.getJid().asBareJid().toString());
 902		intent.putExtra(ChooseContactActivity.EXTRA_TITLE_RES_ID, R.string.choose_participants);
 903		startActivityForResult(intent, REQUEST_CREATE_CONFERENCE);
 904	}
 905
 906	@Override
 907	public void onJoinDialogPositiveClick(Dialog dialog, Spinner spinner, AutoCompleteTextView jid, boolean isBookmarkChecked) {
 908		if (!xmppConnectionServiceBound) {
 909			return;
 910		}
 911		final Account account = getSelectedAccount(spinner);
 912		if (account == null) {
 913			return;
 914		}
 915		final Jid conferenceJid;
 916		try {
 917			conferenceJid = Jid.of(jid.getText().toString());
 918		} catch (final IllegalArgumentException e) {
 919			jid.setError(getString(R.string.invalid_jid));
 920			return;
 921		}
 922
 923		if (isBookmarkChecked) {
 924			if (account.hasBookmarkFor(conferenceJid)) {
 925				jid.setError(getString(R.string.bookmark_already_exists));
 926			} else {
 927				final Bookmark bookmark = new Bookmark(account, conferenceJid.asBareJid());
 928				bookmark.setAutojoin(getPreferences().getBoolean("autojoin", getResources().getBoolean(R.bool.autojoin)));
 929				String nick = conferenceJid.getResource();
 930				if (nick != null && !nick.isEmpty()) {
 931					bookmark.setNick(nick);
 932				}
 933				account.getBookmarks().add(bookmark);
 934				xmppConnectionService.pushBookmarks(account);
 935				final Conversation conversation = xmppConnectionService
 936						.findOrCreateConversation(account, conferenceJid, true, true, true);
 937				bookmark.setConversation(conversation);
 938				dialog.dismiss();
 939				switchToConversation(conversation);
 940			}
 941		} else {
 942			final Conversation conversation = xmppConnectionService
 943					.findOrCreateConversation(account, conferenceJid, true, true, true);
 944			dialog.dismiss();
 945			switchToConversation(conversation);
 946		}
 947	}
 948
 949	public static class MyListFragment extends ListFragment {
 950		private AdapterView.OnItemClickListener mOnItemClickListener;
 951		private int mResContextMenu;
 952
 953		public void setContextMenu(final int res) {
 954			this.mResContextMenu = res;
 955		}
 956
 957		@Override
 958		public void onListItemClick(final ListView l, final View v, final int position, final long id) {
 959			if (mOnItemClickListener != null) {
 960				mOnItemClickListener.onItemClick(l, v, position, id);
 961			}
 962		}
 963
 964		public void setOnListItemClickListener(AdapterView.OnItemClickListener l) {
 965			this.mOnItemClickListener = l;
 966		}
 967
 968		@Override
 969		public void onViewCreated(@NonNull final View view, final Bundle savedInstanceState) {
 970			super.onViewCreated(view, savedInstanceState);
 971			registerForContextMenu(getListView());
 972			getListView().setFastScrollEnabled(true);
 973			getListView().setDivider(null);
 974			getListView().setDividerHeight(0);
 975		}
 976
 977		@Override
 978		public void onCreateContextMenu(final ContextMenu menu, final View v,
 979		                                final ContextMenuInfo menuInfo) {
 980			super.onCreateContextMenu(menu, v, menuInfo);
 981			final StartConversationActivity activity = (StartConversationActivity) getActivity();
 982			if (activity == null) {
 983				return;
 984			}
 985			activity.getMenuInflater().inflate(mResContextMenu, menu);
 986			final AdapterView.AdapterContextMenuInfo acmi = (AdapterContextMenuInfo) menuInfo;
 987			if (mResContextMenu == R.menu.conference_context) {
 988				activity.conference_context_id = acmi.position;
 989			} else if (mResContextMenu == R.menu.contact_context) {
 990				activity.contact_context_id = acmi.position;
 991				final Contact contact = (Contact) activity.contacts.get(acmi.position);
 992				final MenuItem blockUnblockItem = menu.findItem(R.id.context_contact_block_unblock);
 993				final MenuItem showContactDetailsItem = menu.findItem(R.id.context_contact_details);
 994				if (contact.isSelf()) {
 995					showContactDetailsItem.setVisible(false);
 996				}
 997				XmppConnection xmpp = contact.getAccount().getXmppConnection();
 998				if (xmpp != null && xmpp.getFeatures().blocking() && !contact.isSelf()) {
 999					if (contact.isBlocked()) {
1000						blockUnblockItem.setTitle(R.string.unblock_contact);
1001					} else {
1002						blockUnblockItem.setTitle(R.string.block_contact);
1003					}
1004				} else {
1005					blockUnblockItem.setVisible(false);
1006				}
1007			}
1008		}
1009
1010		@Override
1011		public boolean onContextItemSelected(final MenuItem item) {
1012			StartConversationActivity activity = (StartConversationActivity) getActivity();
1013			if (activity == null) {
1014				return true;
1015			}
1016			switch (item.getItemId()) {
1017				case R.id.context_start_conversation:
1018					activity.openConversationForContact();
1019					break;
1020				case R.id.context_contact_details:
1021					activity.openDetailsForContact();
1022					break;
1023				case R.id.context_contact_block_unblock:
1024					activity.toggleContactBlock();
1025					break;
1026				case R.id.context_delete_contact:
1027					activity.deleteContact();
1028					break;
1029				case R.id.context_join_conference:
1030					activity.openConversationForBookmark();
1031					break;
1032				case R.id.context_share_uri:
1033					activity.shareBookmarkUri();
1034					break;
1035				case R.id.context_delete_conference:
1036					activity.deleteConference();
1037			}
1038			return true;
1039		}
1040	}
1041
1042	public class ListPagerAdapter extends PagerAdapter {
1043		FragmentManager fragmentManager;
1044		MyListFragment[] fragments;
1045
1046		public ListPagerAdapter(FragmentManager fm) {
1047			fragmentManager = fm;
1048			fragments = new MyListFragment[2];
1049		}
1050
1051		public void requestFocus(int pos) {
1052			if (fragments.length > pos) {
1053				fragments[pos].getListView().requestFocus();
1054			}
1055		}
1056
1057		@Override
1058		public void destroyItem(@NonNull ViewGroup container, int position, @NonNull Object object) {
1059			assert (0 <= position && position < fragments.length);
1060			FragmentTransaction trans = fragmentManager.beginTransaction();
1061			trans.remove(fragments[position]);
1062			trans.commit();
1063			fragments[position] = null;
1064		}
1065
1066		@Override
1067		public Fragment instantiateItem(@NonNull ViewGroup container, int position) {
1068			Fragment fragment = getItem(position);
1069			FragmentTransaction trans = fragmentManager.beginTransaction();
1070			trans.add(container.getId(), fragment, "fragment:" + position);
1071			trans.commit();
1072			return fragment;
1073		}
1074
1075		@Override
1076		public int getCount() {
1077			return fragments.length;
1078		}
1079
1080		@Override
1081		public boolean isViewFromObject(@NonNull View view, @NonNull Object fragment) {
1082			return ((Fragment) fragment).getView() == view;
1083		}
1084
1085		@Nullable
1086		@Override
1087		public CharSequence getPageTitle(int position) {
1088			switch (position) {
1089				case 0:
1090					return getResources().getString(R.string.contacts);
1091				case 1:
1092					return getResources().getString(R.string.conferences);
1093				default:
1094					return super.getPageTitle(position);
1095			}
1096		}
1097
1098		public Fragment getItem(int position) {
1099			assert (0 <= position && position < fragments.length);
1100			if (fragments[position] == null) {
1101				final MyListFragment listFragment = new MyListFragment();
1102				if (position == 1) {
1103					listFragment.setListAdapter(mConferenceAdapter);
1104					listFragment.setContextMenu(R.menu.conference_context);
1105					listFragment.setOnListItemClickListener((arg0, arg1, p, arg3) -> openConversationForBookmark(p));
1106				} else {
1107
1108					listFragment.setListAdapter(mContactsAdapter);
1109					listFragment.setContextMenu(R.menu.contact_context);
1110					listFragment.setOnListItemClickListener((arg0, arg1, p, arg3) -> openConversationForContact(p));
1111				}
1112				fragments[position] = listFragment;
1113			}
1114			return fragments[position];
1115		}
1116	}
1117
1118	private class Invite extends XmppUri {
1119
1120		public String account;
1121
1122		public Invite(final Uri uri) {
1123			super(uri);
1124		}
1125
1126		public Invite(final String uri) {
1127			super(uri);
1128		}
1129
1130		public Invite(Uri uri, boolean safeSource) {
1131			super(uri, safeSource);
1132		}
1133
1134		boolean invite() {
1135			if (!isJidValid()) {
1136				Toast.makeText(StartConversationActivity.this, R.string.invalid_jid, Toast.LENGTH_SHORT).show();
1137				return false;
1138			}
1139			if (getJid() != null) {
1140				return handleJid(this);
1141			}
1142			return false;
1143		}
1144	}
1145}