1package eu.siacs.conversations.ui;
   2
   3import android.Manifest;
   4import android.annotation.SuppressLint;
   5import android.app.Dialog;
   6import android.app.PendingIntent;
   7import android.content.ActivityNotFoundException;
   8import android.content.Context;
   9import android.content.Intent;
  10import android.content.SharedPreferences;
  11import android.content.pm.PackageManager;
  12import android.databinding.DataBindingUtil;
  13import android.net.Uri;
  14import android.os.Build;
  15import android.os.Bundle;
  16import android.support.annotation.DrawableRes;
  17import android.support.annotation.NonNull;
  18import android.support.annotation.Nullable;
  19import android.support.v4.app.Fragment;
  20import android.support.v4.app.FragmentManager;
  21import android.support.v4.app.FragmentTransaction;
  22import android.support.v4.app.ListFragment;
  23import android.support.v4.view.PagerAdapter;
  24import android.support.v4.view.ViewPager;
  25import android.support.v7.app.ActionBar;
  26import android.support.v7.app.AlertDialog;
  27import android.support.v7.widget.Toolbar;
  28import android.text.Editable;
  29import android.text.SpannableString;
  30import android.text.Spanned;
  31import android.text.TextWatcher;
  32import android.text.style.TypefaceSpan;
  33import android.util.Log;
  34import android.util.Pair;
  35import android.view.ContextMenu;
  36import android.view.ContextMenu.ContextMenuInfo;
  37import android.view.KeyEvent;
  38import android.view.Menu;
  39import android.view.MenuItem;
  40import android.view.View;
  41import android.view.ViewGroup;
  42import android.view.inputmethod.InputMethodManager;
  43import android.widget.AdapterView;
  44import android.widget.AdapterView.AdapterContextMenuInfo;
  45import android.widget.ArrayAdapter;
  46import android.widget.AutoCompleteTextView;
  47import android.widget.CheckBox;
  48import android.widget.EditText;
  49import android.widget.ListView;
  50import android.widget.Spinner;
  51import android.widget.TextView;
  52import android.widget.Toast;
  53
  54import java.util.ArrayList;
  55import java.util.Arrays;
  56import java.util.Collections;
  57import java.util.List;
  58import java.util.concurrent.atomic.AtomicBoolean;
  59
  60import eu.siacs.conversations.Config;
  61import eu.siacs.conversations.R;
  62import eu.siacs.conversations.databinding.ActivityStartConversationBinding;
  63import eu.siacs.conversations.entities.Account;
  64import eu.siacs.conversations.entities.Bookmark;
  65import eu.siacs.conversations.entities.Contact;
  66import eu.siacs.conversations.entities.Conversation;
  67import eu.siacs.conversations.entities.ListItem;
  68import eu.siacs.conversations.entities.Presence;
  69import eu.siacs.conversations.services.XmppConnectionService;
  70import eu.siacs.conversations.services.XmppConnectionService.OnRosterUpdate;
  71import eu.siacs.conversations.ui.adapter.ListItemAdapter;
  72import eu.siacs.conversations.ui.interfaces.OnBackendConnected;
  73import eu.siacs.conversations.ui.service.EmojiService;
  74import eu.siacs.conversations.ui.util.MenuDoubleTabUtil;
  75import eu.siacs.conversations.ui.util.PendingItem;
  76import eu.siacs.conversations.ui.util.SoftKeyboardUtils;
  77import eu.siacs.conversations.utils.XmppUri;
  78import eu.siacs.conversations.xmpp.OnUpdateBlocklist;
  79import eu.siacs.conversations.xmpp.XmppConnection;
  80import rocks.xmpp.addr.Jid;
  81
  82public class StartConversationActivity extends XmppActivity implements XmppConnectionService.OnConversationUpdate, OnRosterUpdate, OnUpdateBlocklist, CreateConferenceDialog.CreateConferenceDialogListener, JoinConferenceDialog.JoinConferenceDialogListener {
  83
  84	private final int REQUEST_SYNC_CONTACTS = 0x28cf;
  85	private final int REQUEST_CREATE_CONFERENCE = 0x39da;
  86	private final PendingItem<Intent> pendingViewIntent = new PendingItem<>();
  87	private final PendingItem<String> mInitialSearchValue = new PendingItem<>();
  88	private final AtomicBoolean oneShotKeyboardSuppress = new AtomicBoolean();
  89	public int conference_context_id;
  90	public int contact_context_id;
  91	private ListPagerAdapter mListPagerAdapter;
  92	private List<ListItem> contacts = new ArrayList<>();
  93	private ListItemAdapter mContactsAdapter;
  94	private List<ListItem> conferences = new ArrayList<>();
  95	private ListItemAdapter mConferenceAdapter;
  96	private List<String> mActivatedAccounts = new ArrayList<>();
  97	private EditText mSearchEditText;
  98	private AtomicBoolean mRequestedContactsPermission = new AtomicBoolean(false);
  99	private boolean mHideOfflineContacts = false;
 100	private MenuItem.OnActionExpandListener mOnActionExpandListener = new MenuItem.OnActionExpandListener() {
 101
 102		@Override
 103		public boolean onMenuItemActionExpand(MenuItem item) {
 104			mSearchEditText.post(() -> {
 105				updateSearchViewHint();
 106				mSearchEditText.requestFocus();
 107				if (oneShotKeyboardSuppress.compareAndSet(true, false)) {
 108					return;
 109				}
 110				InputMethodManager imm = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
 111				if (imm != null) {
 112					imm.showSoftInput(mSearchEditText, InputMethodManager.SHOW_IMPLICIT);
 113				}
 114			});
 115
 116			return true;
 117		}
 118
 119		@Override
 120		public boolean onMenuItemActionCollapse(MenuItem item) {
 121			SoftKeyboardUtils.hideSoftKeyboard(StartConversationActivity.this);
 122			mSearchEditText.setText("");
 123			filter(null);
 124			return true;
 125		}
 126	};
 127	private TextWatcher mSearchTextWatcher = new TextWatcher() {
 128
 129		@Override
 130		public void afterTextChanged(Editable editable) {
 131			filter(editable.toString());
 132		}
 133
 134		@Override
 135		public void beforeTextChanged(CharSequence s, int start, int count, int after) {
 136		}
 137
 138		@Override
 139		public void onTextChanged(CharSequence s, int start, int before, int count) {
 140		}
 141	};
 142	private MenuItem mMenuSearchView;
 143	private ListItemAdapter.OnTagClickedListener mOnTagClickedListener = new ListItemAdapter.OnTagClickedListener() {
 144		@Override
 145		public void onTagClicked(String tag) {
 146			if (mMenuSearchView != null) {
 147				mMenuSearchView.expandActionView();
 148				mSearchEditText.setText("");
 149				mSearchEditText.append(tag);
 150				filter(tag);
 151			}
 152		}
 153	};
 154	private Pair<Integer, Intent> mPostponedActivityResult;
 155	private Toast mToast;
 156	private UiCallback<Conversation> mAdhocConferenceCallback = new UiCallback<Conversation>() {
 157		@Override
 158		public void success(final Conversation conversation) {
 159			runOnUiThread(() -> {
 160				hideToast();
 161				switchToConversation(conversation);
 162			});
 163		}
 164
 165		@Override
 166		public void error(final int errorCode, Conversation object) {
 167			runOnUiThread(() -> replaceToast(getString(errorCode)));
 168		}
 169
 170		@Override
 171		public void userInputRequried(PendingIntent pi, Conversation object) {
 172
 173		}
 174	};
 175	private ActivityStartConversationBinding binding;
 176	private TextView.OnEditorActionListener mSearchDone = new TextView.OnEditorActionListener() {
 177		@Override
 178		public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
 179			int pos = binding.startConversationViewPager.getCurrentItem();
 180			if (pos == 0) {
 181				if (contacts.size() == 1) {
 182					openConversationForContact((Contact) contacts.get(0));
 183					return true;
 184				}
 185			} else {
 186				if (conferences.size() == 1) {
 187					openConversationsForBookmark((Bookmark) conferences.get(0));
 188					return true;
 189				}
 190			}
 191			SoftKeyboardUtils.hideSoftKeyboard(StartConversationActivity.this);
 192			mListPagerAdapter.requestFocus(pos);
 193			return true;
 194		}
 195	};
 196	private ViewPager.SimpleOnPageChangeListener mOnPageChangeListener = new ViewPager.SimpleOnPageChangeListener() {
 197		@Override
 198		public void onPageSelected(int position) {
 199			onTabChanged();
 200		}
 201	};
 202
 203	public static void populateAccountSpinner(Context context, List<String> accounts, Spinner spinner) {
 204		if (accounts.size() > 0) {
 205			ArrayAdapter<String> adapter = new ArrayAdapter<>(context, R.layout.simple_list_item, accounts);
 206			adapter.setDropDownViewResource(R.layout.simple_list_item);
 207			spinner.setAdapter(adapter);
 208			spinner.setEnabled(true);
 209		} else {
 210			ArrayAdapter<String> adapter = new ArrayAdapter<>(context,
 211					R.layout.simple_list_item,
 212					Arrays.asList(context.getString(R.string.no_accounts)));
 213			adapter.setDropDownViewResource(R.layout.simple_list_item);
 214			spinner.setAdapter(adapter);
 215			spinner.setEnabled(false);
 216		}
 217	}
 218
 219	public static void launch(Context context) {
 220		final Intent intent = new Intent(context, StartConversationActivity.class);
 221		context.startActivity(intent);
 222	}
 223
 224	private static Intent createLauncherIntent(Context context) {
 225		final Intent intent = new Intent(context, StartConversationActivity.class);
 226		intent.setAction(Intent.ACTION_MAIN);
 227		intent.addCategory(Intent.CATEGORY_LAUNCHER);
 228		return intent;
 229	}
 230
 231	private static boolean isViewIntent(final Intent i) {
 232		return i != null && (Intent.ACTION_VIEW.equals(i.getAction()) || Intent.ACTION_SENDTO.equals(i.getAction()) || i.hasExtra(WelcomeActivity.EXTRA_INVITE_URI));
 233	}
 234
 235	protected void hideToast() {
 236		if (mToast != null) {
 237			mToast.cancel();
 238		}
 239	}
 240
 241	protected void replaceToast(String msg) {
 242		hideToast();
 243		mToast = Toast.makeText(this, msg, Toast.LENGTH_LONG);
 244		mToast.show();
 245	}
 246
 247	@Override
 248	public void onRosterUpdate() {
 249		this.refreshUi();
 250	}
 251
 252	@Override
 253	public void onCreate(Bundle savedInstanceState) {
 254		super.onCreate(savedInstanceState);
 255		new EmojiService(this).init();
 256		this.binding = DataBindingUtil.setContentView(this, R.layout.activity_start_conversation);
 257		Toolbar toolbar = (Toolbar) binding.toolbar;
 258		setSupportActionBar(toolbar);
 259		configureActionBar(getSupportActionBar());
 260		this.binding.fab.setOnClickListener((v) -> {
 261			if (binding.startConversationViewPager.getCurrentItem() == 0) {
 262				String searchString = mSearchEditText != null ? mSearchEditText.getText().toString() : null;
 263				if (searchString != null && !searchString.trim().isEmpty()) {
 264					try {
 265						Jid jid = Jid.of(searchString);
 266						if (jid.getLocal() != null && jid.isBareJid() && jid.getDomain().contains(".")) {
 267							showCreateContactDialog(jid.toString(), null);
 268							return;
 269						}
 270					} catch (IllegalArgumentException ignored) {
 271						//ignore and fall through
 272					}
 273				}
 274				showCreateContactDialog(null, null);
 275			} else {
 276				showCreateConferenceDialog();
 277			}
 278		});
 279		binding.tabLayout.setupWithViewPager(binding.startConversationViewPager);
 280		binding.startConversationViewPager.addOnPageChangeListener(mOnPageChangeListener);
 281		mListPagerAdapter = new ListPagerAdapter(getSupportFragmentManager());
 282		binding.startConversationViewPager.setAdapter(mListPagerAdapter);
 283
 284		mConferenceAdapter = new ListItemAdapter(this, conferences);
 285		mContactsAdapter = new ListItemAdapter(this, contacts);
 286		mContactsAdapter.setOnTagClickedListener(this.mOnTagClickedListener);
 287
 288		final SharedPreferences preferences = getPreferences();
 289
 290		this.mHideOfflineContacts = preferences.getBoolean("hide_offline", false);
 291
 292		final boolean startSearching = preferences.getBoolean("start_searching",getResources().getBoolean(R.bool.start_searching));
 293
 294		final Intent intent;
 295		if (savedInstanceState == null) {
 296			intent = getIntent();
 297		} else {
 298			final String search = savedInstanceState.getString("search");
 299			if (search != null) {
 300				mInitialSearchValue.push(search);
 301			}
 302			intent = savedInstanceState.getParcelable("intent");
 303		}
 304
 305		if (isViewIntent(intent)) {
 306			pendingViewIntent.push(intent);
 307			setIntent(createLauncherIntent(this));
 308		} else if (startSearching && mInitialSearchValue.peek() == null) {
 309			mInitialSearchValue.push("");
 310		}
 311	}
 312
 313	@Override
 314	public void onSaveInstanceState(Bundle savedInstanceState) {
 315		Intent pendingIntent = pendingViewIntent.peek();
 316		savedInstanceState.putParcelable("intent", pendingIntent != null ? pendingIntent : getIntent());
 317		if (mMenuSearchView != null && mMenuSearchView.isActionViewExpanded()) {
 318			savedInstanceState.putString("search", mSearchEditText != null ? mSearchEditText.getText().toString() : null);
 319		}
 320		super.onSaveInstanceState(savedInstanceState);
 321	}
 322
 323	@Override
 324	public void onStart() {
 325		super.onStart();
 326		final int theme = findTheme();
 327		if (this.mTheme != theme) {
 328			recreate();
 329		} else {
 330			if (pendingViewIntent.peek() == null) {
 331				askForContactsPermissions();
 332			}
 333		}
 334		mConferenceAdapter.refreshSettings();
 335		mContactsAdapter.refreshSettings();
 336	}
 337
 338	@Override
 339	public void onNewIntent(final Intent intent) {
 340		if (xmppConnectionServiceBound) {
 341			processViewIntent(intent);
 342		} else {
 343			pendingViewIntent.push(intent);
 344		}
 345		setIntent(createLauncherIntent(this));
 346	}
 347
 348	protected void openConversationForContact(int position) {
 349		Contact contact = (Contact) contacts.get(position);
 350		openConversationForContact(contact);
 351	}
 352
 353	protected void openConversationForContact(Contact contact) {
 354		Conversation conversation = xmppConnectionService.findOrCreateConversation(contact.getAccount(), contact.getJid(), false, true);
 355		SoftKeyboardUtils.hideSoftKeyboard(this);
 356		switchToConversation(conversation);
 357	}
 358
 359	protected void openConversationForBookmark() {
 360		openConversationForBookmark(conference_context_id);
 361	}
 362
 363	protected void openConversationForBookmark(int position) {
 364		Bookmark bookmark = (Bookmark) conferences.get(position);
 365		openConversationsForBookmark(bookmark);
 366	}
 367
 368	protected void shareBookmarkUri() {
 369		shareBookmarkUri(conference_context_id);
 370	}
 371
 372	protected void shareBookmarkUri(int position) {
 373		Bookmark bookmark = (Bookmark) conferences.get(position);
 374		Intent shareIntent = new Intent();
 375		shareIntent.setAction(Intent.ACTION_SEND);
 376		shareIntent.putExtra(Intent.EXTRA_TEXT, "xmpp:" + bookmark.getJid().asBareJid().toEscapedString() + "?join");
 377		shareIntent.setType("text/plain");
 378		try {
 379			startActivity(Intent.createChooser(shareIntent, getText(R.string.share_uri_with)));
 380		} catch (ActivityNotFoundException e) {
 381			Toast.makeText(this, R.string.no_application_to_share_uri, Toast.LENGTH_SHORT).show();
 382		}
 383	}
 384
 385	protected void openConversationsForBookmark(Bookmark bookmark) {
 386		Jid jid = bookmark.getJid();
 387		if (jid == null) {
 388			Toast.makeText(this, R.string.invalid_jid, Toast.LENGTH_SHORT).show();
 389			return;
 390		}
 391		Conversation conversation = xmppConnectionService.findOrCreateConversation(bookmark.getAccount(), jid, true, true, true);
 392		bookmark.setConversation(conversation);
 393		if (!bookmark.autojoin() && getPreferences().getBoolean("autojoin", getResources().getBoolean(R.bool.autojoin))) {
 394			bookmark.setAutojoin(true);
 395			xmppConnectionService.pushBookmarks(bookmark.getAccount());
 396		}
 397		SoftKeyboardUtils.hideSoftKeyboard(this);
 398		switchToConversation(conversation);
 399	}
 400
 401	protected void openDetailsForContact() {
 402		int position = contact_context_id;
 403		Contact contact = (Contact) contacts.get(position);
 404		switchToContactDetails(contact);
 405	}
 406
 407	protected void showQrForContact() {
 408		int position = contact_context_id;
 409		Contact contact = (Contact) contacts.get(position);
 410		showQrCode("xmpp:"+contact.getJid().asBareJid().toEscapedString());
 411	}
 412
 413	protected void toggleContactBlock() {
 414		final int position = contact_context_id;
 415		BlockContactDialog.show(this, (Contact) contacts.get(position));
 416	}
 417
 418	protected void deleteContact() {
 419		final int position = contact_context_id;
 420		final Contact contact = (Contact) contacts.get(position);
 421		final AlertDialog.Builder builder = new AlertDialog.Builder(this);
 422		builder.setNegativeButton(R.string.cancel, null);
 423		builder.setTitle(R.string.action_delete_contact);
 424		builder.setMessage(getString(R.string.remove_contact_text, contact.getJid()));
 425		builder.setPositiveButton(R.string.delete, (dialog, which) -> {
 426			xmppConnectionService.deleteContactOnServer(contact);
 427			filter(mSearchEditText.getText().toString());
 428		});
 429		builder.create().show();
 430	}
 431
 432	protected void deleteConference() {
 433		int position = conference_context_id;
 434		final Bookmark bookmark = (Bookmark) conferences.get(position);
 435
 436		AlertDialog.Builder builder = new AlertDialog.Builder(this);
 437		builder.setNegativeButton(R.string.cancel, null);
 438		builder.setTitle(R.string.delete_bookmark);
 439		builder.setMessage(getString(R.string.remove_bookmark_text,
 440				bookmark.getJid()));
 441		builder.setPositiveButton(R.string.delete, (dialog, which) -> {
 442			bookmark.setConversation(null);
 443			Account account = bookmark.getAccount();
 444			account.getBookmarks().remove(bookmark);
 445			xmppConnectionService.pushBookmarks(account);
 446			filter(mSearchEditText.getText().toString());
 447		});
 448		builder.create().show();
 449
 450	}
 451
 452	@SuppressLint("InflateParams")
 453	protected void showCreateContactDialog(final String prefilledJid, final Invite invite) {
 454		FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
 455		Fragment prev = getSupportFragmentManager().findFragmentByTag(FRAGMENT_TAG_DIALOG);
 456		if (prev != null) {
 457			ft.remove(prev);
 458		}
 459		ft.addToBackStack(null);
 460		EnterJidDialog dialog = EnterJidDialog.newInstance(
 461				mActivatedAccounts,
 462				getString(R.string.dialog_title_create_contact),
 463				getString(R.string.create),
 464				prefilledJid,
 465				null,
 466				invite == null || !invite.hasFingerprints()
 467		);
 468
 469		dialog.setOnEnterJidDialogPositiveListener((accountJid, contactJid) -> {
 470			if (!xmppConnectionServiceBound) {
 471				return false;
 472			}
 473
 474			final Account account = xmppConnectionService.findAccountByJid(accountJid);
 475			if (account == null) {
 476				return true;
 477			}
 478
 479			final Contact contact = account.getRoster().getContact(contactJid);
 480			if (invite != null && invite.getName() != null) {
 481				contact.setServerName(invite.getName());
 482			}
 483			if (contact.isSelf()) {
 484				switchToConversation(contact, null);
 485				return true;
 486			} else if (contact.showInRoster()) {
 487				throw new EnterJidDialog.JidError(getString(R.string.contact_already_exists));
 488			} else {
 489				xmppConnectionService.createContact(contact, true);
 490				if (invite != null && invite.hasFingerprints()) {
 491					xmppConnectionService.verifyFingerprints(contact, invite.getFingerprints());
 492				}
 493				switchToConversation(contact, invite == null ? null : invite.getBody());
 494				return true;
 495			}
 496		});
 497		dialog.show(ft, FRAGMENT_TAG_DIALOG);
 498	}
 499
 500	@SuppressLint("InflateParams")
 501	protected void showJoinConferenceDialog(final String prefilledJid) {
 502		FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
 503		Fragment prev = getSupportFragmentManager().findFragmentByTag(FRAGMENT_TAG_DIALOG);
 504		if (prev != null) {
 505			ft.remove(prev);
 506		}
 507		ft.addToBackStack(null);
 508		JoinConferenceDialog joinConferenceFragment = JoinConferenceDialog.newInstance(prefilledJid, mActivatedAccounts);
 509		joinConferenceFragment.show(ft, FRAGMENT_TAG_DIALOG);
 510	}
 511
 512	private void showCreateConferenceDialog() {
 513		FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
 514		Fragment prev = getSupportFragmentManager().findFragmentByTag(FRAGMENT_TAG_DIALOG);
 515		if (prev != null) {
 516			ft.remove(prev);
 517		}
 518		ft.addToBackStack(null);
 519		CreateConferenceDialog createConferenceFragment = CreateConferenceDialog.newInstance(mActivatedAccounts);
 520		createConferenceFragment.show(ft, FRAGMENT_TAG_DIALOG);
 521	}
 522
 523	private Account getSelectedAccount(Spinner spinner) {
 524		if (!spinner.isEnabled()) {
 525			return null;
 526		}
 527		Jid jid;
 528		try {
 529			if (Config.DOMAIN_LOCK != null) {
 530				jid = Jid.of((String) spinner.getSelectedItem(), Config.DOMAIN_LOCK, null);
 531			} else {
 532				jid = Jid.of((String) spinner.getSelectedItem());
 533			}
 534		} catch (final IllegalArgumentException e) {
 535			return null;
 536		}
 537		return xmppConnectionService.findAccountByJid(jid);
 538	}
 539
 540	protected void switchToConversation(Contact contact, String body) {
 541		Conversation conversation = xmppConnectionService
 542				.findOrCreateConversation(contact.getAccount(),
 543						contact.getJid(), false, true);
 544		switchToConversation(conversation, body, false);
 545	}
 546
 547	@Override
 548	public void invalidateOptionsMenu() {
 549		boolean isExpanded = mMenuSearchView != null && mMenuSearchView.isActionViewExpanded();
 550		String text = mSearchEditText != null ? mSearchEditText.getText().toString() : "";
 551		if (isExpanded) {
 552			mInitialSearchValue.push(text);
 553			oneShotKeyboardSuppress.set(true);
 554		}
 555		super.invalidateOptionsMenu();
 556	}
 557
 558	private void updateSearchViewHint() {
 559		if (binding == null || mSearchEditText == null) {
 560			return;
 561		}
 562		if (binding.startConversationViewPager.getCurrentItem() == 0) {
 563			mSearchEditText.setHint(R.string.search_contacts);
 564		} else {
 565			mSearchEditText.setHint(R.string.search_groups);
 566		}
 567	}
 568
 569	@Override
 570	public boolean onCreateOptionsMenu(Menu menu) {
 571		getMenuInflater().inflate(R.menu.start_conversation, menu);
 572		MenuItem menuHideOffline = menu.findItem(R.id.action_hide_offline);
 573		MenuItem joinGroupChat = menu.findItem(R.id.action_join_conference);
 574		MenuItem qrCodeScanMenuItem = menu.findItem(R.id.action_scan_qr_code);
 575		joinGroupChat.setVisible(binding.startConversationViewPager.getCurrentItem() == 1);
 576		qrCodeScanMenuItem.setVisible(isCameraFeatureAvailable());
 577		menuHideOffline.setChecked(this.mHideOfflineContacts);
 578		mMenuSearchView = menu.findItem(R.id.action_search);
 579		mMenuSearchView.setOnActionExpandListener(mOnActionExpandListener);
 580		View mSearchView = mMenuSearchView.getActionView();
 581		mSearchEditText = mSearchView.findViewById(R.id.search_field);
 582		mSearchEditText.addTextChangedListener(mSearchTextWatcher);
 583		mSearchEditText.setOnEditorActionListener(mSearchDone);
 584		String initialSearchValue = mInitialSearchValue.pop();
 585		if (initialSearchValue != null) {
 586			mMenuSearchView.expandActionView();
 587			mSearchEditText.append(initialSearchValue);
 588			filter(initialSearchValue);
 589		}
 590		updateSearchViewHint();
 591		return super.onCreateOptionsMenu(menu);
 592	}
 593
 594	@Override
 595	public boolean onOptionsItemSelected(MenuItem item) {
 596		if (MenuDoubleTabUtil.shouldIgnoreTap()) {
 597			return false;
 598		}
 599		switch (item.getItemId()) {
 600			case android.R.id.home:
 601				navigateBack();
 602				return true;
 603			case R.id.action_join_conference:
 604				showJoinConferenceDialog(null);
 605				return true;
 606			case R.id.action_scan_qr_code:
 607				UriHandlerActivity.scan(this);
 608				return true;
 609			case R.id.action_hide_offline:
 610				mHideOfflineContacts = !item.isChecked();
 611				getPreferences().edit().putBoolean("hide_offline", mHideOfflineContacts).commit();
 612				if (mSearchEditText != null) {
 613					filter(mSearchEditText.getText().toString());
 614				}
 615				invalidateOptionsMenu();
 616		}
 617		return super.onOptionsItemSelected(item);
 618	}
 619
 620	@Override
 621	public boolean onKeyUp(int keyCode, KeyEvent event) {
 622		if (keyCode == KeyEvent.KEYCODE_SEARCH && !event.isLongPress()) {
 623			openSearch();
 624			return true;
 625		}
 626		int c = event.getUnicodeChar();
 627		if (c > 32) {
 628			if (mSearchEditText != null && !mSearchEditText.isFocused()) {
 629				openSearch();
 630				mSearchEditText.append(Character.toString((char) c));
 631				return true;
 632			}
 633		}
 634		return super.onKeyUp(keyCode, event);
 635	}
 636
 637	private void openSearch() {
 638		if (mMenuSearchView != null) {
 639			mMenuSearchView.expandActionView();
 640		}
 641	}
 642
 643	@Override
 644	public void onActivityResult(int requestCode, int resultCode, Intent intent) {
 645		if (resultCode == RESULT_OK) {
 646			if (xmppConnectionServiceBound) {
 647				this.mPostponedActivityResult = null;
 648				if (requestCode == REQUEST_CREATE_CONFERENCE) {
 649					Account account = extractAccount(intent);
 650					final String subject = intent.getStringExtra("subject");
 651					List<Jid> jids = new ArrayList<>();
 652					if (intent.getBooleanExtra("multiple", false)) {
 653						String[] toAdd = intent.getStringArrayExtra("contacts");
 654						for (String item : toAdd) {
 655							try {
 656								jids.add(Jid.of(item));
 657							} catch (IllegalArgumentException e) {
 658								//ignored
 659							}
 660						}
 661					} else {
 662						try {
 663							jids.add(Jid.of(intent.getStringExtra("contact")));
 664						} catch (Exception e) {
 665							//ignored
 666						}
 667					}
 668					if (account != null && jids.size() > 0) {
 669						if (xmppConnectionService.createAdhocConference(account, subject, jids, mAdhocConferenceCallback)) {
 670							mToast = Toast.makeText(this, R.string.creating_conference, Toast.LENGTH_LONG);
 671							mToast.show();
 672						}
 673					}
 674				}
 675			} else {
 676				this.mPostponedActivityResult = new Pair<>(requestCode, intent);
 677			}
 678		}
 679		super.onActivityResult(requestCode, requestCode, intent);
 680	}
 681
 682	private void askForContactsPermissions() {
 683		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 684			if (checkSelfPermission(Manifest.permission.READ_CONTACTS) != PackageManager.PERMISSION_GRANTED) {
 685				if (mRequestedContactsPermission.compareAndSet(false, true)) {
 686					if (shouldShowRequestPermissionRationale(Manifest.permission.READ_CONTACTS)) {
 687						AlertDialog.Builder builder = new AlertDialog.Builder(this);
 688						builder.setTitle(R.string.sync_with_contacts);
 689						builder.setMessage(R.string.sync_with_contacts_long);
 690						builder.setPositiveButton(R.string.next, (dialog, which) -> {
 691							if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 692								requestPermissions(new String[]{Manifest.permission.READ_CONTACTS}, REQUEST_SYNC_CONTACTS);
 693							}
 694						});
 695						builder.setOnDismissListener(dialog -> {
 696							if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 697								requestPermissions(new String[]{Manifest.permission.READ_CONTACTS}, REQUEST_SYNC_CONTACTS);
 698							}
 699						});
 700						builder.create().show();
 701					} else {
 702						requestPermissions(new String[]{Manifest.permission.READ_CONTACTS}, 0);
 703					}
 704				}
 705			}
 706		}
 707	}
 708
 709	@Override
 710	public void onRequestPermissionsResult(int requestCode, @NonNull String permissions[], @NonNull int[] grantResults) {
 711		if (grantResults.length > 0)
 712			if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {
 713				ScanActivity.onRequestPermissionResult(this, requestCode, grantResults);
 714				if (requestCode == REQUEST_SYNC_CONTACTS && xmppConnectionServiceBound) {
 715					xmppConnectionService.loadPhoneContacts();
 716				}
 717			}
 718	}
 719
 720	private void configureHomeButton() {
 721		final ActionBar actionBar = getSupportActionBar();
 722		if (actionBar == null) {
 723			return;
 724		}
 725		boolean openConversations = !xmppConnectionService.isConversationsListEmpty(null);
 726		actionBar.setDisplayHomeAsUpEnabled(openConversations);
 727		actionBar.setDisplayHomeAsUpEnabled(openConversations);
 728
 729	}
 730
 731	@Override
 732	protected void onBackendConnected() {
 733		if (mPostponedActivityResult != null) {
 734			onActivityResult(mPostponedActivityResult.first, RESULT_OK, mPostponedActivityResult.second);
 735			this.mPostponedActivityResult = null;
 736		}
 737		this.mActivatedAccounts.clear();
 738		for (Account account : xmppConnectionService.getAccounts()) {
 739			if (account.getStatus() != Account.State.DISABLED) {
 740				if (Config.DOMAIN_LOCK != null) {
 741					this.mActivatedAccounts.add(account.getJid().getLocal());
 742				} else {
 743					this.mActivatedAccounts.add(account.getJid().asBareJid().toString());
 744				}
 745			}
 746		}
 747		configureHomeButton();
 748		Intent intent = pendingViewIntent.pop();
 749		if (intent != null && processViewIntent(intent)) {
 750			filter(null);
 751		} else {
 752			if (mSearchEditText != null) {
 753				filter(mSearchEditText.getText().toString());
 754			} else {
 755				filter(null);
 756			}
 757		}
 758		Fragment fragment = getSupportFragmentManager().findFragmentByTag(FRAGMENT_TAG_DIALOG);
 759		if (fragment != null && fragment instanceof OnBackendConnected) {
 760			Log.d(Config.LOGTAG, "calling on backend connected on dialog");
 761			((OnBackendConnected) fragment).onBackendConnected();
 762		}
 763	}
 764
 765	protected boolean processViewIntent(@NonNull Intent intent) {
 766		final String inviteUri = intent.getStringExtra(WelcomeActivity.EXTRA_INVITE_URI);
 767		if (inviteUri != null) {
 768			Invite invite = new Invite(inviteUri);
 769			if (invite.isJidValid()) {
 770				return invite.invite();
 771			}
 772		}
 773		final String action = intent.getAction();
 774		if (action == null) {
 775			return false;
 776		}
 777		switch (action) {
 778			case Intent.ACTION_SENDTO:
 779			case Intent.ACTION_VIEW:
 780				Uri uri = intent.getData();
 781				if (uri != null) {
 782					Invite invite = new Invite(intent.getData(), intent.getBooleanExtra("scanned", false));
 783					invite.account = intent.getStringExtra("account");
 784					return invite.invite();
 785				} else {
 786					return false;
 787				}
 788		}
 789		return false;
 790	}
 791
 792	private boolean handleJid(Invite invite) {
 793		List<Contact> contacts = xmppConnectionService.findContacts(invite.getJid(), invite.account);
 794		if (invite.isAction(XmppUri.ACTION_JOIN)) {
 795			Conversation muc = xmppConnectionService.findFirstMuc(invite.getJid());
 796			if (muc != null) {
 797				switchToConversation(muc, invite.getBody(), false);
 798				return true;
 799			} else {
 800				showJoinConferenceDialog(invite.getJid().asBareJid().toString());
 801				return false;
 802			}
 803		} else if (contacts.size() == 0) {
 804			showCreateContactDialog(invite.getJid().toString(), invite);
 805			return false;
 806		} else if (contacts.size() == 1) {
 807			Contact contact = contacts.get(0);
 808			if (!invite.isSafeSource() && invite.hasFingerprints()) {
 809				displayVerificationWarningDialog(contact, invite);
 810			} else {
 811				if (invite.hasFingerprints()) {
 812					if (xmppConnectionService.verifyFingerprints(contact, invite.getFingerprints())) {
 813						Toast.makeText(this, R.string.verified_fingerprints, Toast.LENGTH_SHORT).show();
 814					}
 815				}
 816				if (invite.account != null) {
 817					xmppConnectionService.getShortcutService().report(contact);
 818				}
 819				switchToConversation(contact, invite.getBody());
 820			}
 821			return true;
 822		} else {
 823			if (mMenuSearchView != null) {
 824				mMenuSearchView.expandActionView();
 825				mSearchEditText.setText("");
 826				mSearchEditText.append(invite.getJid().toString());
 827				filter(invite.getJid().toString());
 828			} else {
 829				mInitialSearchValue.push(invite.getJid().toString());
 830			}
 831			return true;
 832		}
 833	}
 834
 835	private void displayVerificationWarningDialog(final Contact contact, final Invite invite) {
 836		AlertDialog.Builder builder = new AlertDialog.Builder(this);
 837		builder.setTitle(R.string.verify_omemo_keys);
 838		View view = getLayoutInflater().inflate(R.layout.dialog_verify_fingerprints, null);
 839		final CheckBox isTrustedSource = view.findViewById(R.id.trusted_source);
 840		TextView warning = view.findViewById(R.id.warning);
 841		String jid = contact.getJid().asBareJid().toString();
 842		SpannableString spannable = new SpannableString(getString(R.string.verifying_omemo_keys_trusted_source, jid, contact.getDisplayName()));
 843		int start = spannable.toString().indexOf(jid);
 844		if (start >= 0) {
 845			spannable.setSpan(new TypefaceSpan("monospace"), start, start + jid.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
 846		}
 847		warning.setText(spannable);
 848		builder.setView(view);
 849		builder.setPositiveButton(R.string.confirm, (dialog, which) -> {
 850			if (isTrustedSource.isChecked() && invite.hasFingerprints()) {
 851				xmppConnectionService.verifyFingerprints(contact, invite.getFingerprints());
 852			}
 853			switchToConversation(contact, invite.getBody());
 854		});
 855		builder.setNegativeButton(R.string.cancel, (dialog, which) -> StartConversationActivity.this.finish());
 856		AlertDialog dialog = builder.create();
 857		dialog.setCanceledOnTouchOutside(false);
 858		dialog.setOnCancelListener(dialog1 -> StartConversationActivity.this.finish());
 859		dialog.show();
 860	}
 861
 862	protected void filter(String needle) {
 863		if (xmppConnectionServiceBound) {
 864			this.filterContacts(needle);
 865			this.filterConferences(needle);
 866		}
 867	}
 868
 869	protected void filterContacts(String needle) {
 870		this.contacts.clear();
 871		for (Account account : xmppConnectionService.getAccounts()) {
 872			if (account.getStatus() != Account.State.DISABLED) {
 873				for (Contact contact : account.getRoster().getContacts()) {
 874					Presence.Status s = contact.getShownStatus();
 875					if (contact.showInRoster() && contact.match(this, needle)
 876							&& (!this.mHideOfflineContacts
 877							|| (needle != null && !needle.trim().isEmpty())
 878							|| s.compareTo(Presence.Status.OFFLINE) < 0)) {
 879						this.contacts.add(contact);
 880					}
 881				}
 882			}
 883		}
 884		Collections.sort(this.contacts);
 885		mContactsAdapter.notifyDataSetChanged();
 886	}
 887
 888	protected void filterConferences(String needle) {
 889		this.conferences.clear();
 890		for (Account account : xmppConnectionService.getAccounts()) {
 891			if (account.getStatus() != Account.State.DISABLED) {
 892				for (Bookmark bookmark : account.getBookmarks()) {
 893					if (bookmark.match(this, needle)) {
 894						this.conferences.add(bookmark);
 895					}
 896				}
 897			}
 898		}
 899		Collections.sort(this.conferences);
 900		mConferenceAdapter.notifyDataSetChanged();
 901	}
 902
 903	private void onTabChanged() {
 904		@DrawableRes final int fabDrawable;
 905		if (binding.startConversationViewPager.getCurrentItem() == 0) {
 906			fabDrawable = R.drawable.ic_person_add_white_24dp;
 907		} else {
 908			fabDrawable = R.drawable.ic_group_add_white_24dp;
 909		}
 910		binding.fab.setImageResource(fabDrawable);
 911		invalidateOptionsMenu();
 912	}
 913
 914	@Override
 915	public void OnUpdateBlocklist(final Status status) {
 916		refreshUi();
 917	}
 918
 919	@Override
 920	protected void refreshUiReal() {
 921		if (mSearchEditText != null) {
 922			filter(mSearchEditText.getText().toString());
 923		}
 924		configureHomeButton();
 925	}
 926
 927	@Override
 928	public void onBackPressed() {
 929		navigateBack();
 930	}
 931
 932	private void navigateBack() {
 933		if (xmppConnectionService != null && !xmppConnectionService.isConversationsListEmpty(null)) {
 934			Intent intent = new Intent(this, ConversationsActivity.class);
 935			intent.addFlags(Intent.FLAG_ACTIVITY_NO_ANIMATION);
 936			startActivity(intent);
 937		}
 938		finish();
 939	}
 940
 941	@Override
 942	public void onCreateDialogPositiveClick(Spinner spinner, String subject) {
 943		if (!xmppConnectionServiceBound) {
 944			return;
 945		}
 946		final Account account = getSelectedAccount(spinner);
 947		if (account == null) {
 948			return;
 949		}
 950		Intent intent = new Intent(getApplicationContext(), ChooseContactActivity.class);
 951		intent.putExtra("multiple", true);
 952		intent.putExtra("show_enter_jid", true);
 953		intent.putExtra("subject", subject);
 954		intent.putExtra(EXTRA_ACCOUNT, account.getJid().asBareJid().toString());
 955		intent.putExtra(ChooseContactActivity.EXTRA_TITLE_RES_ID, R.string.choose_participants);
 956		startActivityForResult(intent, REQUEST_CREATE_CONFERENCE);
 957	}
 958
 959	@Override
 960	public void onJoinDialogPositiveClick(Dialog dialog, Spinner spinner, AutoCompleteTextView jid, boolean isBookmarkChecked) {
 961		if (!xmppConnectionServiceBound) {
 962			return;
 963		}
 964		final Account account = getSelectedAccount(spinner);
 965		if (account == null) {
 966			return;
 967		}
 968		final Jid conferenceJid;
 969		try {
 970			conferenceJid = Jid.of(jid.getText().toString());
 971		} catch (final IllegalArgumentException e) {
 972			jid.setError(getString(R.string.invalid_jid));
 973			return;
 974		}
 975
 976		if (isBookmarkChecked) {
 977			if (account.hasBookmarkFor(conferenceJid)) {
 978				jid.setError(getString(R.string.bookmark_already_exists));
 979			} else {
 980				final Bookmark bookmark = new Bookmark(account, conferenceJid.asBareJid());
 981				bookmark.setAutojoin(getPreferences().getBoolean("autojoin", getResources().getBoolean(R.bool.autojoin)));
 982				String nick = conferenceJid.getResource();
 983				if (nick != null && !nick.isEmpty()) {
 984					bookmark.setNick(nick);
 985				}
 986				account.getBookmarks().add(bookmark);
 987				xmppConnectionService.pushBookmarks(account);
 988				final Conversation conversation = xmppConnectionService
 989						.findOrCreateConversation(account, conferenceJid, true, true, true);
 990				bookmark.setConversation(conversation);
 991				dialog.dismiss();
 992				switchToConversation(conversation);
 993			}
 994		} else {
 995			final Conversation conversation = xmppConnectionService
 996					.findOrCreateConversation(account, conferenceJid, true, true, true);
 997			dialog.dismiss();
 998			switchToConversation(conversation);
 999		}
1000	}
1001
1002	@Override
1003	public void onConversationUpdate() {
1004		refreshUi();
1005	}
1006
1007	public static class MyListFragment extends ListFragment {
1008		private AdapterView.OnItemClickListener mOnItemClickListener;
1009		private int mResContextMenu;
1010
1011		public void setContextMenu(final int res) {
1012			this.mResContextMenu = res;
1013		}
1014
1015		@Override
1016		public void onListItemClick(final ListView l, final View v, final int position, final long id) {
1017			if (mOnItemClickListener != null) {
1018				mOnItemClickListener.onItemClick(l, v, position, id);
1019			}
1020		}
1021
1022		public void setOnListItemClickListener(AdapterView.OnItemClickListener l) {
1023			this.mOnItemClickListener = l;
1024		}
1025
1026		@Override
1027		public void onViewCreated(@NonNull final View view, final Bundle savedInstanceState) {
1028			super.onViewCreated(view, savedInstanceState);
1029			registerForContextMenu(getListView());
1030			getListView().setFastScrollEnabled(true);
1031			getListView().setDivider(null);
1032			getListView().setDividerHeight(0);
1033		}
1034
1035		@Override
1036		public void onCreateContextMenu(final ContextMenu menu, final View v,
1037		                                final ContextMenuInfo menuInfo) {
1038			super.onCreateContextMenu(menu, v, menuInfo);
1039			final StartConversationActivity activity = (StartConversationActivity) getActivity();
1040			if (activity == null) {
1041				return;
1042			}
1043			activity.getMenuInflater().inflate(mResContextMenu, menu);
1044			final AdapterView.AdapterContextMenuInfo acmi = (AdapterContextMenuInfo) menuInfo;
1045			if (mResContextMenu == R.menu.conference_context) {
1046				activity.conference_context_id = acmi.position;
1047			} else if (mResContextMenu == R.menu.contact_context) {
1048				activity.contact_context_id = acmi.position;
1049				final Contact contact = (Contact) activity.contacts.get(acmi.position);
1050				final MenuItem blockUnblockItem = menu.findItem(R.id.context_contact_block_unblock);
1051				final MenuItem showContactDetailsItem = menu.findItem(R.id.context_contact_details);
1052				if (contact.isSelf()) {
1053					showContactDetailsItem.setVisible(false);
1054				}
1055				XmppConnection xmpp = contact.getAccount().getXmppConnection();
1056				if (xmpp != null && xmpp.getFeatures().blocking() && !contact.isSelf()) {
1057					if (contact.isBlocked()) {
1058						blockUnblockItem.setTitle(R.string.unblock_contact);
1059					} else {
1060						blockUnblockItem.setTitle(R.string.block_contact);
1061					}
1062				} else {
1063					blockUnblockItem.setVisible(false);
1064				}
1065			}
1066		}
1067
1068		@Override
1069		public boolean onContextItemSelected(final MenuItem item) {
1070			StartConversationActivity activity = (StartConversationActivity) getActivity();
1071			if (activity == null) {
1072				return true;
1073			}
1074			switch (item.getItemId()) {
1075				case R.id.context_contact_details:
1076					activity.openDetailsForContact();
1077					break;
1078				case R.id.context_show_qr:
1079					activity.showQrForContact();
1080					break;
1081				case R.id.context_contact_block_unblock:
1082					activity.toggleContactBlock();
1083					break;
1084				case R.id.context_delete_contact:
1085					activity.deleteContact();
1086					break;
1087				case R.id.context_join_conference:
1088					activity.openConversationForBookmark();
1089					break;
1090				case R.id.context_share_uri:
1091					activity.shareBookmarkUri();
1092					break;
1093				case R.id.context_delete_conference:
1094					activity.deleteConference();
1095			}
1096			return true;
1097		}
1098	}
1099
1100	public class ListPagerAdapter extends PagerAdapter {
1101		FragmentManager fragmentManager;
1102		MyListFragment[] fragments;
1103
1104		public ListPagerAdapter(FragmentManager fm) {
1105			fragmentManager = fm;
1106			fragments = new MyListFragment[2];
1107		}
1108
1109		public void requestFocus(int pos) {
1110			if (fragments.length > pos) {
1111				fragments[pos].getListView().requestFocus();
1112			}
1113		}
1114
1115		@Override
1116		public void destroyItem(@NonNull ViewGroup container, int position, @NonNull Object object) {
1117			assert (0 <= position && position < fragments.length);
1118			FragmentTransaction trans = fragmentManager.beginTransaction();
1119			trans.remove(fragments[position]);
1120			trans.commit();
1121			fragments[position] = null;
1122		}
1123
1124		@Override
1125		public Fragment instantiateItem(@NonNull ViewGroup container, int position) {
1126			Fragment fragment = getItem(position);
1127			FragmentTransaction trans = fragmentManager.beginTransaction();
1128			trans.add(container.getId(), fragment, "fragment:" + position);
1129			trans.commit();
1130			return fragment;
1131		}
1132
1133		@Override
1134		public int getCount() {
1135			return fragments.length;
1136		}
1137
1138		@Override
1139		public boolean isViewFromObject(@NonNull View view, @NonNull Object fragment) {
1140			return ((Fragment) fragment).getView() == view;
1141		}
1142
1143		@Nullable
1144		@Override
1145		public CharSequence getPageTitle(int position) {
1146			switch (position) {
1147				case 0:
1148					return getResources().getString(R.string.contacts);
1149				case 1:
1150					return getResources().getString(R.string.conferences);
1151				default:
1152					return super.getPageTitle(position);
1153			}
1154		}
1155
1156		public Fragment getItem(int position) {
1157			assert (0 <= position && position < fragments.length);
1158			if (fragments[position] == null) {
1159				final MyListFragment listFragment = new MyListFragment();
1160				if (position == 1) {
1161					listFragment.setListAdapter(mConferenceAdapter);
1162					listFragment.setContextMenu(R.menu.conference_context);
1163					listFragment.setOnListItemClickListener((arg0, arg1, p, arg3) -> openConversationForBookmark(p));
1164				} else {
1165
1166					listFragment.setListAdapter(mContactsAdapter);
1167					listFragment.setContextMenu(R.menu.contact_context);
1168					listFragment.setOnListItemClickListener((arg0, arg1, p, arg3) -> openConversationForContact(p));
1169				}
1170				fragments[position] = listFragment;
1171			}
1172			return fragments[position];
1173		}
1174	}
1175
1176	private class Invite extends XmppUri {
1177
1178		public String account;
1179
1180		public Invite(final Uri uri) {
1181			super(uri);
1182		}
1183
1184		public Invite(final String uri) {
1185			super(uri);
1186		}
1187
1188		public Invite(Uri uri, boolean safeSource) {
1189			super(uri, safeSource);
1190		}
1191
1192		boolean invite() {
1193			if (!isJidValid()) {
1194				Toast.makeText(StartConversationActivity.this, R.string.invalid_jid, Toast.LENGTH_SHORT).show();
1195				return false;
1196			}
1197			if (getJid() != null) {
1198				return handleJid(this);
1199			}
1200			return false;
1201		}
1202	}
1203}