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;
  69import eu.siacs.conversations.services.XmppConnectionService.OnRosterUpdate;
  70import eu.siacs.conversations.ui.adapter.ListItemAdapter;
  71import eu.siacs.conversations.ui.interfaces.OnBackendConnected;
  72import eu.siacs.conversations.ui.service.EmojiService;
  73import eu.siacs.conversations.ui.util.MenuDoubleTabUtil;
  74import eu.siacs.conversations.ui.util.PendingItem;
  75import eu.siacs.conversations.utils.XmppUri;
  76import eu.siacs.conversations.xmpp.OnUpdateBlocklist;
  77import eu.siacs.conversations.xmpp.XmppConnection;
  78import rocks.xmpp.addr.Jid;
  79
  80public class StartConversationActivity extends XmppActivity implements XmppConnectionService.OnConversationUpdate, OnRosterUpdate, OnUpdateBlocklist, CreateConferenceDialog.CreateConferenceDialogListener, JoinConferenceDialog.JoinConferenceDialogListener {
  81
  82	private final int REQUEST_SYNC_CONTACTS = 0x28cf;
  83	private final int REQUEST_CREATE_CONFERENCE = 0x39da;
  84	private final PendingItem<Intent> pendingViewIntent = new PendingItem<>();
  85	private final PendingItem<String> mInitialSearchValue = new PendingItem<>();
  86	private final AtomicBoolean oneShotKeyboardSuppress = new AtomicBoolean();
  87	public int conference_context_id;
  88	public int contact_context_id;
  89	private ListPagerAdapter mListPagerAdapter;
  90	private List<ListItem> contacts = new ArrayList<>();
  91	private ListItemAdapter mContactsAdapter;
  92	private List<ListItem> conferences = new ArrayList<>();
  93	private ListItemAdapter mConferenceAdapter;
  94	private List<String> mActivatedAccounts = new ArrayList<>();
  95	private EditText mSearchEditText;
  96	private AtomicBoolean mRequestedContactsPermission = new AtomicBoolean(false);
  97	private boolean mHideOfflineContacts = false;
  98	private MenuItem.OnActionExpandListener mOnActionExpandListener = new MenuItem.OnActionExpandListener() {
  99
 100		@Override
 101		public boolean onMenuItemActionExpand(MenuItem item) {
 102			mSearchEditText.post(() -> {
 103				mSearchEditText.requestFocus();
 104				if (oneShotKeyboardSuppress.compareAndSet(true, false)) {
 105					return;
 106				}
 107				InputMethodManager imm = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
 108				if (imm != null) {
 109					imm.showSoftInput(mSearchEditText, InputMethodManager.SHOW_IMPLICIT);
 110				}
 111			});
 112
 113			return true;
 114		}
 115
 116		@Override
 117		public boolean onMenuItemActionCollapse(MenuItem item) {
 118			hideKeyboard();
 119			mSearchEditText.setText("");
 120			filter(null);
 121			return true;
 122		}
 123	};
 124	private TextWatcher mSearchTextWatcher = new TextWatcher() {
 125
 126		@Override
 127		public void afterTextChanged(Editable editable) {
 128			filter(editable.toString());
 129		}
 130
 131		@Override
 132		public void beforeTextChanged(CharSequence s, int start, int count, int after) {
 133		}
 134
 135		@Override
 136		public void onTextChanged(CharSequence s, int start, int before, int count) {
 137		}
 138	};
 139	private MenuItem mMenuSearchView;
 140	private ListItemAdapter.OnTagClickedListener mOnTagClickedListener = new ListItemAdapter.OnTagClickedListener() {
 141		@Override
 142		public void onTagClicked(String tag) {
 143			if (mMenuSearchView != null) {
 144				mMenuSearchView.expandActionView();
 145				mSearchEditText.setText("");
 146				mSearchEditText.append(tag);
 147				filter(tag);
 148			}
 149		}
 150	};
 151	private Pair<Integer, Intent> mPostponedActivityResult;
 152	private Toast mToast;
 153	private UiCallback<Conversation> mAdhocConferenceCallback = new UiCallback<Conversation>() {
 154		@Override
 155		public void success(final Conversation conversation) {
 156			runOnUiThread(() -> {
 157				hideToast();
 158				switchToConversation(conversation);
 159			});
 160		}
 161
 162		@Override
 163		public void error(final int errorCode, Conversation object) {
 164			runOnUiThread(() -> replaceToast(getString(errorCode)));
 165		}
 166
 167		@Override
 168		public void userInputRequried(PendingIntent pi, Conversation object) {
 169
 170		}
 171	};
 172	private ActivityStartConversationBinding binding;
 173	private TextView.OnEditorActionListener mSearchDone = new TextView.OnEditorActionListener() {
 174		@Override
 175		public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
 176			int pos = binding.startConversationViewPager.getCurrentItem();
 177			if (pos == 0) {
 178				if (contacts.size() == 1) {
 179					openConversationForContact((Contact) contacts.get(0));
 180					return true;
 181				}
 182			} else {
 183				if (conferences.size() == 1) {
 184					openConversationsForBookmark((Bookmark) conferences.get(0));
 185					return true;
 186				}
 187			}
 188			hideKeyboard();
 189			mListPagerAdapter.requestFocus(pos);
 190			return true;
 191		}
 192	};
 193	private ViewPager.SimpleOnPageChangeListener mOnPageChangeListener = new ViewPager.SimpleOnPageChangeListener() {
 194		@Override
 195		public void onPageSelected(int position) {
 196			onTabChanged();
 197		}
 198	};
 199
 200	public static void populateAccountSpinner(Context context, List<String> accounts, Spinner spinner) {
 201		if (accounts.size() > 0) {
 202			ArrayAdapter<String> adapter = new ArrayAdapter<>(context, R.layout.simple_list_item, accounts);
 203			adapter.setDropDownViewResource(R.layout.simple_list_item);
 204			spinner.setAdapter(adapter);
 205			spinner.setEnabled(true);
 206		} else {
 207			ArrayAdapter<String> adapter = new ArrayAdapter<>(context,
 208					R.layout.simple_list_item,
 209					Arrays.asList(context.getString(R.string.no_accounts)));
 210			adapter.setDropDownViewResource(R.layout.simple_list_item);
 211			spinner.setAdapter(adapter);
 212			spinner.setEnabled(false);
 213		}
 214	}
 215
 216	public static void launch(Context context) {
 217		final Intent intent = new Intent(context, StartConversationActivity.class);
 218		context.startActivity(intent);
 219	}
 220
 221	private static Intent createLauncherIntent(Context context) {
 222		final Intent intent = new Intent(context, StartConversationActivity.class);
 223		intent.setAction(Intent.ACTION_MAIN);
 224		intent.addCategory(Intent.CATEGORY_LAUNCHER);
 225		return intent;
 226	}
 227
 228	private static boolean isViewIntent(final Intent i) {
 229		return i != null && (Intent.ACTION_VIEW.equals(i.getAction()) || Intent.ACTION_SENDTO.equals(i.getAction()) || i.hasExtra(WelcomeActivity.EXTRA_INVITE_URI));
 230	}
 231
 232	protected void hideToast() {
 233		if (mToast != null) {
 234			mToast.cancel();
 235		}
 236	}
 237
 238	protected void replaceToast(String msg) {
 239		hideToast();
 240		mToast = Toast.makeText(this, msg, Toast.LENGTH_LONG);
 241		mToast.show();
 242	}
 243
 244	@Override
 245	public void onRosterUpdate() {
 246		this.refreshUi();
 247	}
 248
 249	@Override
 250	public void onCreate(Bundle savedInstanceState) {
 251		super.onCreate(savedInstanceState);
 252		new EmojiService(this).init();
 253		this.binding = DataBindingUtil.setContentView(this, R.layout.activity_start_conversation);
 254		Toolbar toolbar = (Toolbar) binding.toolbar;
 255		setSupportActionBar(toolbar);
 256		configureActionBar(getSupportActionBar());
 257		this.binding.fab.setOnClickListener((v) -> {
 258			if (binding.startConversationViewPager.getCurrentItem() == 0) {
 259				String searchString = mSearchEditText != null ? mSearchEditText.getText().toString() : null;
 260				if (searchString != null && !searchString.trim().isEmpty()) {
 261					try {
 262						Jid jid = Jid.of(searchString);
 263						if (jid.getLocal() != null && jid.isBareJid() && jid.getDomain().contains(".")) {
 264							showCreateContactDialog(jid.toString(), null);
 265							return;
 266						}
 267					} catch (IllegalArgumentException ignored) {
 268						//ignore and fall through
 269					}
 270				}
 271				showCreateContactDialog(null, null);
 272			} else {
 273				showCreateConferenceDialog();
 274			}
 275		});
 276		binding.tabLayout.setupWithViewPager(binding.startConversationViewPager);
 277		binding.startConversationViewPager.addOnPageChangeListener(mOnPageChangeListener);
 278		mListPagerAdapter = new ListPagerAdapter(getSupportFragmentManager());
 279		binding.startConversationViewPager.setAdapter(mListPagerAdapter);
 280
 281		mConferenceAdapter = new ListItemAdapter(this, conferences);
 282		mContactsAdapter = new ListItemAdapter(this, contacts);
 283		mContactsAdapter.setOnTagClickedListener(this.mOnTagClickedListener);
 284		this.mHideOfflineContacts = getPreferences().getBoolean("hide_offline", false);
 285
 286		final Intent intent;
 287		if (savedInstanceState == null) {
 288			intent = getIntent();
 289		} else {
 290			final String search = savedInstanceState.getString("search");
 291			if (search != null) {
 292				mInitialSearchValue.push(search);
 293			}
 294			intent = savedInstanceState.getParcelable("intent");
 295		}
 296
 297		if (isViewIntent(intent)) {
 298			pendingViewIntent.push(intent);
 299			setIntent(createLauncherIntent(this));
 300		}
 301	}
 302
 303	@Override
 304	public void onSaveInstanceState(Bundle savedInstanceState) {
 305		Intent pendingIntent = pendingViewIntent.peek();
 306		savedInstanceState.putParcelable("intent", pendingIntent != null ? pendingIntent : getIntent());
 307		if (mMenuSearchView != null && mMenuSearchView.isActionViewExpanded()) {
 308			savedInstanceState.putString("search", mSearchEditText != null ? mSearchEditText.getText().toString() : null);
 309		}
 310		super.onSaveInstanceState(savedInstanceState);
 311	}
 312
 313	@Override
 314	public void onStart() {
 315		super.onStart();
 316		final int theme = findTheme();
 317		if (this.mTheme != theme) {
 318			recreate();
 319		} else {
 320			if (pendingViewIntent.peek() == null) {
 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 android.R.id.home:
 576				navigateBack();
 577				return true;
 578			case R.id.action_join_conference:
 579				showJoinConferenceDialog(null);
 580				return true;
 581			case R.id.action_scan_qr_code:
 582				UriHandlerActivity.scan(this);
 583				return true;
 584			case R.id.action_hide_offline:
 585				mHideOfflineContacts = !item.isChecked();
 586				getPreferences().edit().putBoolean("hide_offline", mHideOfflineContacts).commit();
 587				if (mSearchEditText != null) {
 588					filter(mSearchEditText.getText().toString());
 589				}
 590				invalidateOptionsMenu();
 591		}
 592		return super.onOptionsItemSelected(item);
 593	}
 594
 595	@Override
 596	public boolean onKeyUp(int keyCode, KeyEvent event) {
 597		if (keyCode == KeyEvent.KEYCODE_SEARCH && !event.isLongPress()) {
 598			openSearch();
 599			return true;
 600		}
 601		int c = event.getUnicodeChar();
 602		if (c > 32) {
 603			if (mSearchEditText != null && !mSearchEditText.isFocused()) {
 604				openSearch();
 605				mSearchEditText.append(Character.toString((char) c));
 606				return true;
 607			}
 608		}
 609		return super.onKeyUp(keyCode, event);
 610	}
 611
 612	private void openSearch() {
 613		if (mMenuSearchView != null) {
 614			mMenuSearchView.expandActionView();
 615		}
 616	}
 617
 618	@Override
 619	public void onActivityResult(int requestCode, int resultCode, Intent intent) {
 620		if (resultCode == RESULT_OK) {
 621			if (xmppConnectionServiceBound) {
 622				this.mPostponedActivityResult = null;
 623				if (requestCode == REQUEST_CREATE_CONFERENCE) {
 624					Account account = extractAccount(intent);
 625					final String subject = intent.getStringExtra("subject");
 626					List<Jid> jids = new ArrayList<>();
 627					if (intent.getBooleanExtra("multiple", false)) {
 628						String[] toAdd = intent.getStringArrayExtra("contacts");
 629						for (String item : toAdd) {
 630							try {
 631								jids.add(Jid.of(item));
 632							} catch (IllegalArgumentException e) {
 633								//ignored
 634							}
 635						}
 636					} else {
 637						try {
 638							jids.add(Jid.of(intent.getStringExtra("contact")));
 639						} catch (Exception e) {
 640							//ignored
 641						}
 642					}
 643					if (account != null && jids.size() > 0) {
 644						if (xmppConnectionService.createAdhocConference(account, subject, jids, mAdhocConferenceCallback)) {
 645							mToast = Toast.makeText(this, R.string.creating_conference, Toast.LENGTH_LONG);
 646							mToast.show();
 647						}
 648					}
 649				}
 650			} else {
 651				this.mPostponedActivityResult = new Pair<>(requestCode, intent);
 652			}
 653		}
 654		super.onActivityResult(requestCode, requestCode, intent);
 655	}
 656
 657	private void askForContactsPermissions() {
 658		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 659			if (checkSelfPermission(Manifest.permission.READ_CONTACTS) != PackageManager.PERMISSION_GRANTED) {
 660				if (mRequestedContactsPermission.compareAndSet(false, true)) {
 661					if (shouldShowRequestPermissionRationale(Manifest.permission.READ_CONTACTS)) {
 662						AlertDialog.Builder builder = new AlertDialog.Builder(this);
 663						builder.setTitle(R.string.sync_with_contacts);
 664						builder.setMessage(R.string.sync_with_contacts_long);
 665						builder.setPositiveButton(R.string.next, (dialog, which) -> {
 666							if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 667								requestPermissions(new String[]{Manifest.permission.READ_CONTACTS}, REQUEST_SYNC_CONTACTS);
 668							}
 669						});
 670						builder.setOnDismissListener(dialog -> {
 671							if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 672								requestPermissions(new String[]{Manifest.permission.READ_CONTACTS}, REQUEST_SYNC_CONTACTS);
 673							}
 674						});
 675						builder.create().show();
 676					} else {
 677						requestPermissions(new String[]{Manifest.permission.READ_CONTACTS}, 0);
 678					}
 679				}
 680			}
 681		}
 682	}
 683
 684	@Override
 685	public void onRequestPermissionsResult(int requestCode, @NonNull String permissions[], @NonNull int[] grantResults) {
 686		if (grantResults.length > 0)
 687			if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {
 688				ScanActivity.onRequestPermissionResult(this, requestCode, grantResults);
 689				if (requestCode == REQUEST_SYNC_CONTACTS && xmppConnectionServiceBound) {
 690					xmppConnectionService.loadPhoneContacts();
 691				}
 692			}
 693	}
 694
 695	private void configureHomeButton() {
 696		final ActionBar actionBar = getSupportActionBar();
 697		if (actionBar == null) {
 698			return;
 699		}
 700		boolean openConversations = !xmppConnectionService.isConversationsListEmpty(null);
 701		actionBar.setDisplayHomeAsUpEnabled(openConversations);
 702		actionBar.setDisplayHomeAsUpEnabled(openConversations);
 703
 704	}
 705
 706	@Override
 707	protected void onBackendConnected() {
 708		if (mPostponedActivityResult != null) {
 709			onActivityResult(mPostponedActivityResult.first, RESULT_OK, mPostponedActivityResult.second);
 710			this.mPostponedActivityResult = null;
 711		}
 712		this.mActivatedAccounts.clear();
 713		for (Account account : xmppConnectionService.getAccounts()) {
 714			if (account.getStatus() != Account.State.DISABLED) {
 715				if (Config.DOMAIN_LOCK != null) {
 716					this.mActivatedAccounts.add(account.getJid().getLocal());
 717				} else {
 718					this.mActivatedAccounts.add(account.getJid().asBareJid().toString());
 719				}
 720			}
 721		}
 722		configureHomeButton();
 723		Intent intent = pendingViewIntent.pop();
 724		if (intent != null && processViewIntent(intent)) {
 725			filter(null);
 726		} else {
 727			if (mSearchEditText != null) {
 728				filter(mSearchEditText.getText().toString());
 729			} else {
 730				filter(null);
 731			}
 732		}
 733		Fragment fragment = getSupportFragmentManager().findFragmentByTag(FRAGMENT_TAG_DIALOG);
 734		if (fragment != null && fragment instanceof OnBackendConnected) {
 735			Log.d(Config.LOGTAG, "calling on backend connected on dialog");
 736			((OnBackendConnected) fragment).onBackendConnected();
 737		}
 738	}
 739
 740	protected boolean processViewIntent(@NonNull Intent intent) {
 741		final String inviteUri = intent.getStringExtra(WelcomeActivity.EXTRA_INVITE_URI);
 742		if (inviteUri != null) {
 743			Invite invite = new Invite(inviteUri);
 744			if (invite.isJidValid()) {
 745				return invite.invite();
 746			}
 747		}
 748		final String action = intent.getAction();
 749		if (action == null) {
 750			return false;
 751		}
 752		switch (action) {
 753			case Intent.ACTION_SENDTO:
 754			case Intent.ACTION_VIEW:
 755				Uri uri = intent.getData();
 756				if (uri != null) {
 757					Invite invite = new Invite(intent.getData(), intent.getBooleanExtra("scanned", false));
 758					invite.account = intent.getStringExtra("account");
 759					return invite.invite();
 760				} else {
 761					return false;
 762				}
 763		}
 764		return false;
 765	}
 766
 767	private boolean handleJid(Invite invite) {
 768		List<Contact> contacts = xmppConnectionService.findContacts(invite.getJid(), invite.account);
 769		if (invite.isAction(XmppUri.ACTION_JOIN)) {
 770			Conversation muc = xmppConnectionService.findFirstMuc(invite.getJid());
 771			if (muc != null) {
 772				switchToConversation(muc, invite.getBody(), false);
 773				return true;
 774			} else {
 775				showJoinConferenceDialog(invite.getJid().asBareJid().toString());
 776				return false;
 777			}
 778		} else if (contacts.size() == 0) {
 779			showCreateContactDialog(invite.getJid().toString(), invite);
 780			return false;
 781		} else if (contacts.size() == 1) {
 782			Contact contact = contacts.get(0);
 783			if (!invite.isSafeSource() && invite.hasFingerprints()) {
 784				displayVerificationWarningDialog(contact, invite);
 785			} else {
 786				if (invite.hasFingerprints()) {
 787					if (xmppConnectionService.verifyFingerprints(contact, invite.getFingerprints())) {
 788						Toast.makeText(this, R.string.verified_fingerprints, Toast.LENGTH_SHORT).show();
 789					}
 790				}
 791				if (invite.account != null) {
 792					xmppConnectionService.getShortcutService().report(contact);
 793				}
 794				switchToConversation(contact, invite.getBody());
 795			}
 796			return true;
 797		} else {
 798			if (mMenuSearchView != null) {
 799				mMenuSearchView.expandActionView();
 800				mSearchEditText.setText("");
 801				mSearchEditText.append(invite.getJid().toString());
 802				filter(invite.getJid().toString());
 803			} else {
 804				mInitialSearchValue.push(invite.getJid().toString());
 805			}
 806			return true;
 807		}
 808	}
 809
 810	private void displayVerificationWarningDialog(final Contact contact, final Invite invite) {
 811		AlertDialog.Builder builder = new AlertDialog.Builder(this);
 812		builder.setTitle(R.string.verify_omemo_keys);
 813		View view = getLayoutInflater().inflate(R.layout.dialog_verify_fingerprints, null);
 814		final CheckBox isTrustedSource = view.findViewById(R.id.trusted_source);
 815		TextView warning = view.findViewById(R.id.warning);
 816		String jid = contact.getJid().asBareJid().toString();
 817		SpannableString spannable = new SpannableString(getString(R.string.verifying_omemo_keys_trusted_source, jid, contact.getDisplayName()));
 818		int start = spannable.toString().indexOf(jid);
 819		if (start >= 0) {
 820			spannable.setSpan(new TypefaceSpan("monospace"), start, start + jid.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
 821		}
 822		warning.setText(spannable);
 823		builder.setView(view);
 824		builder.setPositiveButton(R.string.confirm, (dialog, which) -> {
 825			if (isTrustedSource.isChecked() && invite.hasFingerprints()) {
 826				xmppConnectionService.verifyFingerprints(contact, invite.getFingerprints());
 827			}
 828			switchToConversation(contact, invite.getBody());
 829		});
 830		builder.setNegativeButton(R.string.cancel, (dialog, which) -> StartConversationActivity.this.finish());
 831		AlertDialog dialog = builder.create();
 832		dialog.setCanceledOnTouchOutside(false);
 833		dialog.setOnCancelListener(dialog1 -> StartConversationActivity.this.finish());
 834		dialog.show();
 835	}
 836
 837	protected void filter(String needle) {
 838		if (xmppConnectionServiceBound) {
 839			this.filterContacts(needle);
 840			this.filterConferences(needle);
 841		}
 842	}
 843
 844	protected void filterContacts(String needle) {
 845		this.contacts.clear();
 846		for (Account account : xmppConnectionService.getAccounts()) {
 847			if (account.getStatus() != Account.State.DISABLED) {
 848				for (Contact contact : account.getRoster().getContacts()) {
 849					Presence.Status s = contact.getShownStatus();
 850					if (contact.showInRoster() && contact.match(this, needle)
 851							&& (!this.mHideOfflineContacts
 852							|| (needle != null && !needle.trim().isEmpty())
 853							|| s.compareTo(Presence.Status.OFFLINE) < 0)) {
 854						this.contacts.add(contact);
 855					}
 856				}
 857			}
 858		}
 859		Collections.sort(this.contacts);
 860		mContactsAdapter.notifyDataSetChanged();
 861	}
 862
 863	protected void filterConferences(String needle) {
 864		this.conferences.clear();
 865		for (Account account : xmppConnectionService.getAccounts()) {
 866			if (account.getStatus() != Account.State.DISABLED) {
 867				for (Bookmark bookmark : account.getBookmarks()) {
 868					if (bookmark.match(this, needle)) {
 869						this.conferences.add(bookmark);
 870					}
 871				}
 872			}
 873		}
 874		Collections.sort(this.conferences);
 875		mConferenceAdapter.notifyDataSetChanged();
 876	}
 877
 878	private void onTabChanged() {
 879		@DrawableRes final int fabDrawable;
 880		if (binding.startConversationViewPager.getCurrentItem() == 0) {
 881			fabDrawable = R.drawable.ic_person_add_white_24dp;
 882		} else {
 883			fabDrawable = R.drawable.ic_group_add_white_24dp;
 884		}
 885		binding.fab.setImageResource(fabDrawable);
 886		invalidateOptionsMenu();
 887	}
 888
 889	@Override
 890	public void OnUpdateBlocklist(final Status status) {
 891		refreshUi();
 892	}
 893
 894	@Override
 895	protected void refreshUiReal() {
 896		if (mSearchEditText != null) {
 897			filter(mSearchEditText.getText().toString());
 898		}
 899		configureHomeButton();
 900	}
 901
 902	@Override
 903	public void onBackPressed() {
 904		navigateBack();
 905	}
 906
 907	private void navigateBack() {
 908		if (xmppConnectionService != null && !xmppConnectionService.isConversationsListEmpty(null)) {
 909			Intent intent = new Intent(this, ConversationsActivity.class);
 910			intent.addFlags(Intent.FLAG_ACTIVITY_NO_ANIMATION);
 911			startActivity(intent);
 912		}
 913		finish();
 914	}
 915
 916	@Override
 917	public void onCreateDialogPositiveClick(Spinner spinner, String subject) {
 918		if (!xmppConnectionServiceBound) {
 919			return;
 920		}
 921		final Account account = getSelectedAccount(spinner);
 922		if (account == null) {
 923			return;
 924		}
 925		Intent intent = new Intent(getApplicationContext(), ChooseContactActivity.class);
 926		intent.putExtra("multiple", true);
 927		intent.putExtra("show_enter_jid", true);
 928		intent.putExtra("subject", subject);
 929		intent.putExtra(EXTRA_ACCOUNT, account.getJid().asBareJid().toString());
 930		intent.putExtra(ChooseContactActivity.EXTRA_TITLE_RES_ID, R.string.choose_participants);
 931		startActivityForResult(intent, REQUEST_CREATE_CONFERENCE);
 932	}
 933
 934	@Override
 935	public void onJoinDialogPositiveClick(Dialog dialog, Spinner spinner, AutoCompleteTextView jid, boolean isBookmarkChecked) {
 936		if (!xmppConnectionServiceBound) {
 937			return;
 938		}
 939		final Account account = getSelectedAccount(spinner);
 940		if (account == null) {
 941			return;
 942		}
 943		final Jid conferenceJid;
 944		try {
 945			conferenceJid = Jid.of(jid.getText().toString());
 946		} catch (final IllegalArgumentException e) {
 947			jid.setError(getString(R.string.invalid_jid));
 948			return;
 949		}
 950
 951		if (isBookmarkChecked) {
 952			if (account.hasBookmarkFor(conferenceJid)) {
 953				jid.setError(getString(R.string.bookmark_already_exists));
 954			} else {
 955				final Bookmark bookmark = new Bookmark(account, conferenceJid.asBareJid());
 956				bookmark.setAutojoin(getPreferences().getBoolean("autojoin", getResources().getBoolean(R.bool.autojoin)));
 957				String nick = conferenceJid.getResource();
 958				if (nick != null && !nick.isEmpty()) {
 959					bookmark.setNick(nick);
 960				}
 961				account.getBookmarks().add(bookmark);
 962				xmppConnectionService.pushBookmarks(account);
 963				final Conversation conversation = xmppConnectionService
 964						.findOrCreateConversation(account, conferenceJid, true, true, true);
 965				bookmark.setConversation(conversation);
 966				dialog.dismiss();
 967				switchToConversation(conversation);
 968			}
 969		} else {
 970			final Conversation conversation = xmppConnectionService
 971					.findOrCreateConversation(account, conferenceJid, true, true, true);
 972			dialog.dismiss();
 973			switchToConversation(conversation);
 974		}
 975	}
 976
 977	@Override
 978	public void onConversationUpdate() {
 979		refreshUi();
 980	}
 981
 982	public static class MyListFragment extends ListFragment {
 983		private AdapterView.OnItemClickListener mOnItemClickListener;
 984		private int mResContextMenu;
 985
 986		public void setContextMenu(final int res) {
 987			this.mResContextMenu = res;
 988		}
 989
 990		@Override
 991		public void onListItemClick(final ListView l, final View v, final int position, final long id) {
 992			if (mOnItemClickListener != null) {
 993				mOnItemClickListener.onItemClick(l, v, position, id);
 994			}
 995		}
 996
 997		public void setOnListItemClickListener(AdapterView.OnItemClickListener l) {
 998			this.mOnItemClickListener = l;
 999		}
1000
1001		@Override
1002		public void onViewCreated(@NonNull final View view, final Bundle savedInstanceState) {
1003			super.onViewCreated(view, savedInstanceState);
1004			registerForContextMenu(getListView());
1005			getListView().setFastScrollEnabled(true);
1006			getListView().setDivider(null);
1007			getListView().setDividerHeight(0);
1008		}
1009
1010		@Override
1011		public void onCreateContextMenu(final ContextMenu menu, final View v,
1012		                                final ContextMenuInfo menuInfo) {
1013			super.onCreateContextMenu(menu, v, menuInfo);
1014			final StartConversationActivity activity = (StartConversationActivity) getActivity();
1015			if (activity == null) {
1016				return;
1017			}
1018			activity.getMenuInflater().inflate(mResContextMenu, menu);
1019			final AdapterView.AdapterContextMenuInfo acmi = (AdapterContextMenuInfo) menuInfo;
1020			if (mResContextMenu == R.menu.conference_context) {
1021				activity.conference_context_id = acmi.position;
1022			} else if (mResContextMenu == R.menu.contact_context) {
1023				activity.contact_context_id = acmi.position;
1024				final Contact contact = (Contact) activity.contacts.get(acmi.position);
1025				final MenuItem blockUnblockItem = menu.findItem(R.id.context_contact_block_unblock);
1026				final MenuItem showContactDetailsItem = menu.findItem(R.id.context_contact_details);
1027				if (contact.isSelf()) {
1028					showContactDetailsItem.setVisible(false);
1029				}
1030				XmppConnection xmpp = contact.getAccount().getXmppConnection();
1031				if (xmpp != null && xmpp.getFeatures().blocking() && !contact.isSelf()) {
1032					if (contact.isBlocked()) {
1033						blockUnblockItem.setTitle(R.string.unblock_contact);
1034					} else {
1035						blockUnblockItem.setTitle(R.string.block_contact);
1036					}
1037				} else {
1038					blockUnblockItem.setVisible(false);
1039				}
1040			}
1041		}
1042
1043		@Override
1044		public boolean onContextItemSelected(final MenuItem item) {
1045			StartConversationActivity activity = (StartConversationActivity) getActivity();
1046			if (activity == null) {
1047				return true;
1048			}
1049			switch (item.getItemId()) {
1050				case R.id.context_start_conversation:
1051					activity.openConversationForContact();
1052					break;
1053				case R.id.context_contact_details:
1054					activity.openDetailsForContact();
1055					break;
1056				case R.id.context_contact_block_unblock:
1057					activity.toggleContactBlock();
1058					break;
1059				case R.id.context_delete_contact:
1060					activity.deleteContact();
1061					break;
1062				case R.id.context_join_conference:
1063					activity.openConversationForBookmark();
1064					break;
1065				case R.id.context_share_uri:
1066					activity.shareBookmarkUri();
1067					break;
1068				case R.id.context_delete_conference:
1069					activity.deleteConference();
1070			}
1071			return true;
1072		}
1073	}
1074
1075	public class ListPagerAdapter extends PagerAdapter {
1076		FragmentManager fragmentManager;
1077		MyListFragment[] fragments;
1078
1079		public ListPagerAdapter(FragmentManager fm) {
1080			fragmentManager = fm;
1081			fragments = new MyListFragment[2];
1082		}
1083
1084		public void requestFocus(int pos) {
1085			if (fragments.length > pos) {
1086				fragments[pos].getListView().requestFocus();
1087			}
1088		}
1089
1090		@Override
1091		public void destroyItem(@NonNull ViewGroup container, int position, @NonNull Object object) {
1092			assert (0 <= position && position < fragments.length);
1093			FragmentTransaction trans = fragmentManager.beginTransaction();
1094			trans.remove(fragments[position]);
1095			trans.commit();
1096			fragments[position] = null;
1097		}
1098
1099		@Override
1100		public Fragment instantiateItem(@NonNull ViewGroup container, int position) {
1101			Fragment fragment = getItem(position);
1102			FragmentTransaction trans = fragmentManager.beginTransaction();
1103			trans.add(container.getId(), fragment, "fragment:" + position);
1104			trans.commit();
1105			return fragment;
1106		}
1107
1108		@Override
1109		public int getCount() {
1110			return fragments.length;
1111		}
1112
1113		@Override
1114		public boolean isViewFromObject(@NonNull View view, @NonNull Object fragment) {
1115			return ((Fragment) fragment).getView() == view;
1116		}
1117
1118		@Nullable
1119		@Override
1120		public CharSequence getPageTitle(int position) {
1121			switch (position) {
1122				case 0:
1123					return getResources().getString(R.string.contacts);
1124				case 1:
1125					return getResources().getString(R.string.conferences);
1126				default:
1127					return super.getPageTitle(position);
1128			}
1129		}
1130
1131		public Fragment getItem(int position) {
1132			assert (0 <= position && position < fragments.length);
1133			if (fragments[position] == null) {
1134				final MyListFragment listFragment = new MyListFragment();
1135				if (position == 1) {
1136					listFragment.setListAdapter(mConferenceAdapter);
1137					listFragment.setContextMenu(R.menu.conference_context);
1138					listFragment.setOnListItemClickListener((arg0, arg1, p, arg3) -> openConversationForBookmark(p));
1139				} else {
1140
1141					listFragment.setListAdapter(mContactsAdapter);
1142					listFragment.setContextMenu(R.menu.contact_context);
1143					listFragment.setOnListItemClickListener((arg0, arg1, p, arg3) -> openConversationForContact(p));
1144				}
1145				fragments[position] = listFragment;
1146			}
1147			return fragments[position];
1148		}
1149	}
1150
1151	private class Invite extends XmppUri {
1152
1153		public String account;
1154
1155		public Invite(final Uri uri) {
1156			super(uri);
1157		}
1158
1159		public Invite(final String uri) {
1160			super(uri);
1161		}
1162
1163		public Invite(Uri uri, boolean safeSource) {
1164			super(uri, safeSource);
1165		}
1166
1167		boolean invite() {
1168			if (!isJidValid()) {
1169				Toast.makeText(StartConversationActivity.this, R.string.invalid_jid, Toast.LENGTH_SHORT).show();
1170				return false;
1171			}
1172			if (getJid() != null) {
1173				return handleJid(this);
1174			}
1175			return false;
1176		}
1177	}
1178}