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.content.res.ColorStateList;
  13import android.net.Uri;
  14import android.os.Build;
  15import android.os.Bundle;
  16import android.preference.PreferenceManager;
  17import android.text.Editable;
  18import android.text.Html;
  19import android.text.TextWatcher;
  20import android.text.method.LinkMovementMethod;
  21import android.util.Log;
  22import android.util.Pair;
  23import android.view.ContextMenu;
  24import android.view.ContextMenu.ContextMenuInfo;
  25import android.view.KeyEvent;
  26import android.view.LayoutInflater;
  27import android.view.Menu;
  28import android.view.MenuItem;
  29import android.view.View;
  30import android.view.ViewGroup;
  31import android.view.inputmethod.InputMethodManager;
  32import android.widget.AdapterView;
  33import android.widget.AdapterView.AdapterContextMenuInfo;
  34import android.widget.ArrayAdapter;
  35import android.widget.AutoCompleteTextView;
  36import android.widget.CheckBox;
  37import android.widget.EditText;
  38import android.widget.ListView;
  39import android.widget.TextView;
  40import android.widget.Toast;
  41import androidx.annotation.MenuRes;
  42import androidx.annotation.NonNull;
  43import androidx.annotation.Nullable;
  44import androidx.annotation.StringRes;
  45import androidx.appcompat.app.ActionBar;
  46import androidx.appcompat.app.AlertDialog;
  47import androidx.appcompat.widget.PopupMenu;
  48import androidx.core.app.ActivityCompat;
  49import androidx.databinding.DataBindingUtil;
  50import androidx.fragment.app.Fragment;
  51import androidx.fragment.app.FragmentManager;
  52import androidx.fragment.app.FragmentTransaction;
  53import androidx.recyclerview.widget.RecyclerView;
  54import androidx.recyclerview.widget.LinearLayoutManager;
  55import androidx.swiperefreshlayout.widget.SwipeRefreshLayout;
  56import androidx.viewpager.widget.PagerAdapter;
  57import androidx.viewpager.widget.ViewPager;
  58
  59import com.cheogram.android.FinishOnboarding;
  60
  61import com.google.android.material.color.MaterialColors;
  62import com.google.android.material.dialog.MaterialAlertDialogBuilder;
  63import com.google.android.material.textfield.TextInputLayout;
  64import com.google.common.collect.ImmutableList;
  65import com.google.common.collect.Iterables;
  66import com.leinardi.android.speeddial.SpeedDialActionItem;
  67import com.leinardi.android.speeddial.SpeedDialView;
  68import eu.siacs.conversations.BuildConfig;
  69import eu.siacs.conversations.Config;
  70import eu.siacs.conversations.R;
  71import eu.siacs.conversations.databinding.ActivityStartConversationBinding;
  72import eu.siacs.conversations.entities.Account;
  73import eu.siacs.conversations.entities.Bookmark;
  74import eu.siacs.conversations.entities.Contact;
  75import eu.siacs.conversations.entities.Conversation;
  76import eu.siacs.conversations.entities.ListItem;
  77import eu.siacs.conversations.entities.MucOptions;
  78import eu.siacs.conversations.entities.Presence;
  79import eu.siacs.conversations.services.QuickConversationsService;
  80import eu.siacs.conversations.services.XmppConnectionService;
  81import eu.siacs.conversations.services.XmppConnectionService.OnRosterUpdate;
  82import eu.siacs.conversations.ui.adapter.ListItemAdapter;
  83import eu.siacs.conversations.ui.interfaces.OnBackendConnected;
  84import eu.siacs.conversations.ui.util.JidDialog;
  85import eu.siacs.conversations.ui.util.MenuDoubleTabUtil;
  86import eu.siacs.conversations.ui.util.PendingItem;
  87import eu.siacs.conversations.ui.util.SoftKeyboardUtils;
  88import eu.siacs.conversations.ui.widget.SwipeRefreshListFragment;
  89import eu.siacs.conversations.utils.AccountUtils;
  90import eu.siacs.conversations.utils.UIHelper;
  91import eu.siacs.conversations.utils.XmppUri;
  92import eu.siacs.conversations.utils.XEP0392Helper;
  93import eu.siacs.conversations.xml.Element;
  94import eu.siacs.conversations.xml.Namespace;
  95import eu.siacs.conversations.xmpp.Jid;
  96import eu.siacs.conversations.xmpp.OnUpdateBlocklist;
  97import eu.siacs.conversations.xmpp.XmppConnection;
  98import eu.siacs.conversations.xmpp.forms.Data;
  99
 100import java.util.ArrayList;
 101import java.util.Arrays;
 102import java.util.Collections;
 103import java.util.Comparator;
 104import java.util.HashSet;
 105import java.util.List;
 106import java.util.Locale;
 107import java.util.Map;
 108import java.util.concurrent.atomic.AtomicBoolean;
 109import java.util.stream.Collectors;
 110
 111public class StartConversationActivity extends XmppActivity
 112        implements XmppConnectionService.OnConversationUpdate,
 113                OnRosterUpdate,
 114                OnUpdateBlocklist,
 115                CreatePrivateGroupChatDialog.CreateConferenceDialogListener,
 116                JoinConferenceDialog.JoinConferenceDialogListener,
 117                SwipeRefreshLayout.OnRefreshListener,
 118                CreatePublicChannelDialog.CreatePublicChannelDialogListener {
 119
 120    private static final String PREF_KEY_CONTACT_INTEGRATION_CONSENT =
 121            "contact_list_integration_consent";
 122
 123    public static final String EXTRA_INVITE_URI = "eu.siacs.conversations.invite_uri";
 124    public static final String EXTRA_ACCOUNT_FILTER = "account_filter";
 125    public static final String EXTRA_TEXT_FILTER = "text_filter";
 126    public static final String EXTRA_GOTO = "goto";
 127
 128    private final int REQUEST_SYNC_CONTACTS = 0x28cf;
 129    private final int REQUEST_CREATE_CONFERENCE = 0x39da;
 130    private final PendingItem<Intent> pendingViewIntent = new PendingItem<>();
 131    private final PendingItem<String> mInitialSearchValue = new PendingItem<>();
 132    private final AtomicBoolean oneShotKeyboardSuppress = new AtomicBoolean();
 133    public ListItem contextItem;
 134    private ListPagerAdapter mListPagerAdapter;
 135    private final List<ListItem> contacts = new ArrayList<>();
 136    private ListItemAdapter mContactsAdapter;
 137    private TagsAdapter mTagsAdapter = new TagsAdapter();
 138    private final List<ListItem> conferences = new ArrayList<>();
 139    private ListItemAdapter mConferenceAdapter;
 140    private final ArrayList<String> mActivatedAccounts = new ArrayList<>();
 141    private EditText mSearchEditText;
 142    private final AtomicBoolean mRequestedContactsPermission = new AtomicBoolean(false);
 143    private final AtomicBoolean mOpenedFab = new AtomicBoolean(false);
 144    private boolean mHideOfflineContacts = false;
 145    private boolean createdByViewIntent = false;
 146    private final MenuItem.OnActionExpandListener mOnActionExpandListener =
 147            new MenuItem.OnActionExpandListener() {
 148
 149                @Override
 150                public boolean onMenuItemActionExpand(@NonNull final MenuItem item) {
 151                    mSearchEditText.post(
 152                            () -> {
 153                                updateSearchViewHint();
 154                                mSearchEditText.requestFocus();
 155                                if (oneShotKeyboardSuppress.compareAndSet(true, false)) {
 156                                    return;
 157                                }
 158                                InputMethodManager imm =
 159                                        (InputMethodManager)
 160                                                getSystemService(Context.INPUT_METHOD_SERVICE);
 161                                if (imm != null) {
 162                                    imm.showSoftInput(
 163                                            mSearchEditText, InputMethodManager.SHOW_IMPLICIT);
 164                                }
 165                            });
 166                    if (binding.speedDial.isOpen()) {
 167                        binding.speedDial.close();
 168                    }
 169                    return true;
 170                }
 171
 172                @Override
 173                public boolean onMenuItemActionCollapse(@NonNull final MenuItem item) {
 174                    SoftKeyboardUtils.hideSoftKeyboard(StartConversationActivity.this);
 175                    mSearchEditText.setText("");
 176                    filter(null);
 177                    navigateBack();
 178                    return true;
 179                }
 180            };
 181    private final TextWatcher mSearchTextWatcher =
 182            new TextWatcher() {
 183
 184                @Override
 185                public void afterTextChanged(Editable editable) {
 186                    filter(editable.toString());
 187                }
 188
 189                @Override
 190                public void beforeTextChanged(CharSequence s, int start, int count, int after) {}
 191
 192                @Override
 193                public void onTextChanged(CharSequence s, int start, int before, int count) {}
 194            };
 195    private MenuItem mMenuSearchView;
 196    private final ListItemAdapter.OnTagClickedListener mOnTagClickedListener =
 197            new ListItemAdapter.OnTagClickedListener() {
 198                @Override
 199                public void onTagClicked(String tag) {
 200                    if (mMenuSearchView != null) {
 201                        mMenuSearchView.expandActionView();
 202                        mSearchEditText.setText("");
 203                        mSearchEditText.append(tag);
 204                        filter(tag);
 205                    }
 206                }
 207            };
 208    private Pair<Integer, Intent> mPostponedActivityResult;
 209    private Toast mToast;
 210    private final UiCallback<Conversation> mAdhocConferenceCallback =
 211            new UiCallback<>() {
 212                @Override
 213                public void success(final Conversation conversation) {
 214                    runOnUiThread(
 215                            () -> {
 216                                hideToast();
 217                                switchToConversation(conversation);
 218                            });
 219                }
 220
 221                @Override
 222                public void error(final int errorCode, Conversation object) {
 223                    runOnUiThread(() -> replaceToast(getString(errorCode)));
 224                }
 225
 226                @Override
 227                public void userInputRequired(PendingIntent pi, Conversation object) {}
 228            };
 229    private ActivityStartConversationBinding binding;
 230    private final TextView.OnEditorActionListener mSearchDone =
 231            new TextView.OnEditorActionListener() {
 232                @Override
 233                public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
 234                    int pos = binding.startConversationViewPager.getCurrentItem();
 235                    if (pos == 0) {
 236                        if (contacts.size() == 1) {
 237                            openConversation(contacts.get(0));
 238                            return true;
 239                        } else if (contacts.isEmpty() && conferences.size() == 1) {
 240                            openConversationsForBookmark((Bookmark) conferences.get(0));
 241                            return true;
 242                        }
 243                    } else {
 244                        if (conferences.size() == 1) {
 245                            openConversationsForBookmark((Bookmark) conferences.get(0));
 246                            return true;
 247                        } else if (conferences.isEmpty() && contacts.size() == 1) {
 248                            openConversation(contacts.get(0));
 249                            return true;
 250                        }
 251                    }
 252                    SoftKeyboardUtils.hideSoftKeyboard(StartConversationActivity.this);
 253                    mListPagerAdapter.requestFocus(pos);
 254                    return true;
 255                }
 256            };
 257
 258    public static void populateAccountSpinner(
 259            final Context context,
 260            final List<String> accounts,
 261            final AutoCompleteTextView spinner) {
 262        if (accounts.isEmpty()) {
 263            ArrayAdapter<String> adapter =
 264                    new ArrayAdapter<>(
 265                            context,
 266                            R.layout.item_autocomplete,
 267                            Collections.singletonList(context.getString(R.string.no_accounts)));
 268            adapter.setDropDownViewResource(R.layout.item_autocomplete);
 269            spinner.setAdapter(adapter);
 270            spinner.setEnabled(false);
 271        } else {
 272            final ArrayAdapter<String> adapter =
 273                    new ArrayAdapter<>(context, R.layout.item_autocomplete, accounts);
 274            adapter.setDropDownViewResource(R.layout.item_autocomplete);
 275            spinner.setAdapter(adapter);
 276            spinner.setEnabled(true);
 277            spinner.setText(Iterables.getFirst(accounts, null), false);
 278        }
 279    }
 280
 281    public static void launch(Context context) {
 282        launch(context, null, null, 0);
 283    }
 284
 285    public static void launch(Context context, final Account account, final String q, final int goTo) {
 286        final Intent intent = new Intent(context, StartConversationActivity.class);
 287        if (account != null) {
 288            intent.putExtra(
 289                EXTRA_ACCOUNT_FILTER,
 290                account.getJid().asBareJid().toString());
 291        }
 292        if (q != null) {
 293            intent.putExtra(EXTRA_TEXT_FILTER, q);
 294        }
 295        intent.putExtra(EXTRA_GOTO, goTo);
 296        context.startActivity(intent);
 297    }
 298
 299    @Override
 300    public boolean colorCodeAccounts() {
 301        return mActivatedAccounts.size() > 1;
 302    }
 303
 304    private static Intent createLauncherIntent(Context context) {
 305        final Intent intent = new Intent(context, StartConversationActivity.class);
 306        intent.setAction(Intent.ACTION_MAIN);
 307        intent.addCategory(Intent.CATEGORY_LAUNCHER);
 308        return intent;
 309    }
 310
 311    private static boolean isViewIntent(final Intent i) {
 312        return i != null
 313                && (Intent.ACTION_VIEW.equals(i.getAction())
 314                        || Intent.ACTION_SENDTO.equals(i.getAction())
 315                        || i.hasExtra(EXTRA_INVITE_URI));
 316    }
 317
 318    protected void hideToast() {
 319        if (mToast != null) {
 320            mToast.cancel();
 321        }
 322    }
 323
 324    protected void replaceToast(String msg) {
 325        hideToast();
 326        mToast = Toast.makeText(this, msg, Toast.LENGTH_LONG);
 327        mToast.show();
 328    }
 329
 330    @Override
 331    public void onRosterUpdate(final XmppConnectionService.UpdateRosterReason reason, final Contact contact) {
 332        this.refreshUi();
 333    }
 334
 335    @Override
 336    public void onCreate(Bundle savedInstanceState) {
 337        super.onCreate(savedInstanceState);
 338        this.binding = DataBindingUtil.setContentView(this, R.layout.activity_start_conversation);
 339        Activities.setStatusAndNavigationBarColors(this, binding.getRoot());
 340        setSupportActionBar(binding.toolbar);
 341        configureActionBar(getSupportActionBar());
 342
 343        inflateFab(binding.speedDial, R.menu.start_conversation_fab_submenu);
 344        binding.tabLayout.setupWithViewPager(binding.startConversationViewPager);
 345        binding.startConversationViewPager.addOnPageChangeListener(
 346                new ViewPager.SimpleOnPageChangeListener() {
 347                    @Override
 348                    public void onPageSelected(int position) {
 349                        updateSearchViewHint();
 350                    }
 351                });
 352        mListPagerAdapter = new ListPagerAdapter(getSupportFragmentManager());
 353        binding.startConversationViewPager.setAdapter(mListPagerAdapter);
 354
 355        mConferenceAdapter = new ListItemAdapter(this, conferences);
 356        mContactsAdapter = new ListItemAdapter(this, contacts);
 357        mContactsAdapter.setOnTagClickedListener(this.mOnTagClickedListener);
 358
 359        final SharedPreferences preferences = getPreferences();
 360
 361        this.mHideOfflineContacts =
 362                QuickConversationsService.isConversations()
 363                        && preferences.getBoolean("hide_offline", false);
 364
 365        final boolean startSearching =
 366                preferences.getBoolean(
 367                        "start_searching", getResources().getBoolean(R.bool.start_searching));
 368
 369        final Intent intent;
 370        if (savedInstanceState == null) {
 371            intent = getIntent();
 372            final var search = intent.getStringExtra(EXTRA_TEXT_FILTER);
 373            if (search != null) {
 374                mInitialSearchValue.push(search);
 375            }
 376        } else {
 377            createdByViewIntent = savedInstanceState.getBoolean("created_by_view_intent", false);
 378            final String search = savedInstanceState.getString("search");
 379            if (search != null) {
 380                mInitialSearchValue.push(search);
 381            }
 382            intent = savedInstanceState.getParcelable("intent");
 383        }
 384
 385        if (intent.getBooleanExtra("init", false)) {
 386            pendingViewIntent.push(intent);
 387        } else if (intent.hasExtra(EXTRA_GOTO)) {
 388            pendingViewIntent.push(intent);
 389            setIntent(createLauncherIntent(this));
 390        } else if(intent.hasExtra(EXTRA_ACCOUNT_FILTER)) {
 391            pendingViewIntent.push(intent);
 392            setIntent(intent);
 393        } else if (isViewIntent(intent)) {
 394            pendingViewIntent.push(intent);
 395            createdByViewIntent = true;
 396            setIntent(createLauncherIntent(this));
 397        } else if (startSearching && mInitialSearchValue.peek() == null) {
 398            mInitialSearchValue.push("");
 399        }
 400        mRequestedContactsPermission.set(
 401                savedInstanceState != null
 402                        && savedInstanceState.getBoolean("requested_contacts_permission", false));
 403        mOpenedFab.set(
 404                savedInstanceState != null && savedInstanceState.getBoolean("opened_fab", false));
 405        binding.speedDial.setOnActionSelectedListener(
 406                actionItem -> {
 407                    final String searchString =
 408                            mSearchEditText != null ? mSearchEditText.getText().toString() : null;
 409                    final String prefilled;
 410                    if (isValidJid(searchString)) {
 411                        prefilled = Jid.of(searchString).toString();
 412                    } else {
 413                        prefilled = null;
 414                    }
 415                    switch (actionItem.getId()) {
 416                        case R.id.discover_public_channels:
 417                            if (QuickConversationsService.isPlayStoreFlavor()) {
 418                                throw new IllegalStateException(
 419                                        "Channel discovery is not available on Google Play flavor");
 420                            } else {
 421                                startActivity(new Intent(this, ChannelDiscoveryActivity.class));
 422                            }
 423                            break;
 424                        case R.id.create_private_group_chat:
 425                            showCreatePrivateGroupChatDialog();
 426                            break;
 427                        case R.id.create_public_channel:
 428                            showPublicChannelDialog();
 429                            break;
 430                        case R.id.create_contact:
 431                            showCreateContactDialog(prefilled, null);
 432                            break;
 433                    }
 434                    return false;
 435                });
 436    }
 437
 438    private void inflateFab(final SpeedDialView speedDialView, final @MenuRes int menuRes) {
 439        speedDialView.clearActionItems();
 440        final PopupMenu popupMenu = new PopupMenu(this, new View(this));
 441        popupMenu.inflate(menuRes);
 442        final Menu menu = popupMenu.getMenu();
 443        for (int i = 0; i < menu.size(); i++) {
 444            final MenuItem menuItem = menu.getItem(i);
 445            if (QuickConversationsService.isPlayStoreFlavor()
 446                    && menuItem.getItemId() == R.id.discover_public_channels) {
 447                continue;
 448            }
 449            final SpeedDialActionItem actionItem =
 450                    new SpeedDialActionItem.Builder(menuItem.getItemId(), menuItem.getIcon())
 451                            .setLabel(
 452                                    menuItem.getTitle() != null
 453                                            ? menuItem.getTitle().toString()
 454                                            : null)
 455                            .setFabImageTintColor(
 456                                    MaterialColors.getColor(
 457                                            speedDialView,
 458                                            com.google.android.material.R.attr.colorOnSurface))
 459                            .setFabBackgroundColor(
 460                                    MaterialColors.getColor(
 461                                            speedDialView,
 462                                            com.google.android.material.R.attr
 463                                                    .colorSurfaceContainerHighest))
 464                            .create();
 465            speedDialView.addActionItem(actionItem);
 466        }
 467        speedDialView.setContentDescription(
 468                getString(R.string.add_contact_or_create_or_join_group_chat));
 469    }
 470
 471    public static boolean isValidJid(final String input) {
 472        try {
 473            final Jid jid = Jid.ofUserInput(input);
 474            return !jid.isDomainJid();
 475        } catch (final IllegalArgumentException e) {
 476            return false;
 477        }
 478    }
 479
 480    @Override
 481    public void onSaveInstanceState(Bundle savedInstanceState) {
 482        Intent pendingIntent = pendingViewIntent.peek();
 483        savedInstanceState.putParcelable(
 484                "intent", pendingIntent != null ? pendingIntent : getIntent());
 485        savedInstanceState.putBoolean(
 486                "requested_contacts_permission", mRequestedContactsPermission.get());
 487        savedInstanceState.putBoolean("opened_fab", mOpenedFab.get());
 488        savedInstanceState.putBoolean("created_by_view_intent", createdByViewIntent);
 489        if (mMenuSearchView != null && mMenuSearchView.isActionViewExpanded()) {
 490            savedInstanceState.putString(
 491                    "search",
 492                    mSearchEditText != null ? mSearchEditText.getText().toString() : null);
 493        }
 494        super.onSaveInstanceState(savedInstanceState);
 495    }
 496
 497    @Override
 498    public void onStart() {
 499        super.onStart();
 500        mConferenceAdapter.refreshSettings();
 501        mContactsAdapter.refreshSettings();
 502    }
 503
 504    private void requestNotificationPermissionIfNeeded() {
 505        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU
 506                && ActivityCompat.checkSelfPermission(this, Manifest.permission.POST_NOTIFICATIONS)
 507                        != PackageManager.PERMISSION_GRANTED) {
 508            requestPermissions(
 509                    new String[] {Manifest.permission.POST_NOTIFICATIONS},
 510                    REQUEST_POST_NOTIFICATION);
 511        }
 512    }
 513
 514    @Override
 515    public void onNewIntent(final Intent intent) {
 516        super.onNewIntent(intent);
 517        if (xmppConnectionServiceBound) {
 518            processViewIntent(intent);
 519        } else {
 520            pendingViewIntent.push(intent);
 521        }
 522        setIntent(createLauncherIntent(this));
 523    }
 524
 525    protected void openConversationForContact(int position) {
 526        openConversation(contacts.get(position));
 527    }
 528
 529    protected void openConversation(ListItem item) {
 530        if (item instanceof Contact) {
 531            openConversationForContact((Contact) item);
 532        } else {
 533            openConversationsForBookmark((Bookmark) item);
 534        }
 535    }
 536
 537    protected void openConversationForContact(Contact contact) {
 538        Conversation conversation =
 539                xmppConnectionService.findOrCreateConversation(
 540                        contact.getAccount(), contact.getJid(), false, true);
 541        SoftKeyboardUtils.hideSoftKeyboard(this);
 542        switchToConversation(conversation);
 543    }
 544
 545    protected void openConversationForBookmark(int position) {
 546        Bookmark bookmark = (Bookmark) conferences.get(position);
 547        openConversationsForBookmark(bookmark);
 548    }
 549
 550    protected void shareBookmarkUri() {
 551        shareAsChannel(this, contextItem.getJid().asBareJid().toString());
 552    }
 553
 554    protected void shareBookmarkUri(int position) {
 555        Bookmark bookmark = (Bookmark) conferences.get(position);
 556        shareAsChannel(this, bookmark.getJid().asBareJid().toString());
 557    }
 558
 559    public static void shareAsChannel(final Context context, final String address) {
 560        Intent shareIntent = new Intent();
 561        shareIntent.setAction(Intent.ACTION_SEND);
 562        shareIntent.putExtra(Intent.EXTRA_TEXT, "xmpp:" + Uri.encode(address, "@/+") + "?join");
 563        shareIntent.setType("text/plain");
 564        try {
 565            context.startActivity(
 566                    Intent.createChooser(shareIntent, context.getText(R.string.share_uri_with)));
 567        } catch (ActivityNotFoundException e) {
 568            Toast.makeText(context, R.string.no_application_to_share_uri, Toast.LENGTH_SHORT)
 569                    .show();
 570        }
 571    }
 572
 573    protected void openConversationsForBookmark(final Bookmark bookmark) {
 574        final Jid jid = bookmark.getFullJid();
 575        if (jid == null) {
 576            Toast.makeText(this, R.string.invalid_jid, Toast.LENGTH_SHORT).show();
 577            return;
 578        }
 579        final Conversation conversation =
 580                xmppConnectionService.findOrCreateConversation(
 581                        bookmark.getAccount(), jid, true, true, true);
 582        bookmark.setConversation(conversation);
 583        if (!bookmark.autojoin()) {
 584            bookmark.setAutojoin(true);
 585            xmppConnectionService.createBookmark(bookmark.getAccount(), bookmark);
 586        }
 587        SoftKeyboardUtils.hideSoftKeyboard(this);
 588        switchToConversation(conversation);
 589    }
 590
 591    protected void openDetailsForContact() {
 592        switchToContactDetails((Contact) contextItem);
 593    }
 594
 595    protected void showQrForContact() {
 596        showQrCode("xmpp:" + contextItem.getJid().asBareJid().toString());
 597    }
 598
 599    protected void toggleContactBlock() {
 600        BlockContactDialog.show(this, (Contact) contextItem);
 601    }
 602
 603    protected void deleteContact() {
 604        final Contact contact = (Contact) contextItem;
 605        final MaterialAlertDialogBuilder builder = new MaterialAlertDialogBuilder(this);
 606        builder.setNegativeButton(R.string.cancel, null);
 607        builder.setTitle(R.string.action_delete_contact);
 608        builder.setMessage(
 609                JidDialog.style(this, R.string.remove_contact_text, contact.getJid().toString()));
 610        builder.setPositiveButton(
 611                R.string.delete,
 612                (dialog, which) -> {
 613                    xmppConnectionService.deleteContactOnServer(contact);
 614                    filter(mSearchEditText.getText().toString());
 615                });
 616        builder.create().show();
 617    }
 618
 619    protected void deleteConference() {
 620        final Bookmark bookmark = (Bookmark) contextItem;
 621        final var conversation = bookmark.getConversation();
 622        final boolean hasConversation = conversation != null;
 623        final MaterialAlertDialogBuilder builder = new MaterialAlertDialogBuilder(this);
 624        builder.setNegativeButton(R.string.cancel, null);
 625        builder.setTitle(R.string.delete_bookmark);
 626        if (hasConversation) {
 627            builder.setMessage(
 628                    JidDialog.style(
 629                            this,
 630                            R.string.remove_bookmark_and_close,
 631                            bookmark.getJid().toString()));
 632        } else {
 633            builder.setMessage(
 634                    JidDialog.style(this, R.string.remove_bookmark, bookmark.getJid().toString()));
 635        }
 636        builder.setPositiveButton(
 637                hasConversation ? R.string.delete_and_close : R.string.delete,
 638                (dialog, which) -> {
 639                    bookmark.setConversation(null);
 640                    final Account account = bookmark.getAccount();
 641                    xmppConnectionService.deleteBookmark(account, bookmark);
 642                    if (conversation != null) {
 643                        xmppConnectionService.archiveConversation(conversation);
 644                    }
 645                    filter(mSearchEditText.getText().toString());
 646                });
 647        builder.create().show();
 648    }
 649
 650    @SuppressLint("InflateParams")
 651    protected void showCreateContactDialog(final String prefilledJid, final Invite invite) {
 652        FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
 653        Fragment prev = getSupportFragmentManager().findFragmentByTag(FRAGMENT_TAG_DIALOG);
 654        if (prev != null) {
 655            ft.remove(prev);
 656        }
 657        ft.addToBackStack(null);
 658        EnterJidDialog dialog = EnterJidDialog.newInstance(
 659                mActivatedAccounts,
 660                "Start Conversation",
 661                getString(R.string.message),
 662                "Call",
 663                prefilledJid,
 664                invite == null ? null : invite.account,
 665                invite == null || !invite.hasFingerprints(),
 666                true,
 667                EnterJidDialog.SanityCheck.ALLOW_MUC
 668        );
 669
 670        dialog.setOnEnterJidDialogPositiveListener((accountJid, contactJid, call, save) -> {
 671            if (!xmppConnectionServiceBound) {
 672                return false;
 673            }
 674
 675            final Account account = xmppConnectionService.findAccountByJid(accountJid);
 676            if (account == null) {
 677                return true;
 678            }
 679            final Contact contact = account.getRoster().getContact(contactJid);
 680
 681            if (invite != null && invite.getName() != null) {
 682                contact.setServerName(invite.getName());
 683            }
 684
 685            if (contact.isSelf() || contact.showInRoster()) {
 686                switchToConversationDoNotAppend(contact, invite == null ? null : invite.getBody(), call ? "call" : null);
 687                return true;
 688            }
 689
 690            xmppConnectionService.checkIfMuc(account, contactJid, (isMuc) -> {
 691                runOnUiThread(() -> {
 692                    if (isMuc) {
 693                        if (save) {
 694                            Bookmark bookmark = account.getBookmark(contactJid);
 695                            if (bookmark != null) {
 696                                openConversationsForBookmark(bookmark);
 697                            } else {
 698                                bookmark = new Bookmark(account, contactJid.asBareJid());
 699                                bookmark.setAutojoin(getBooleanPreference("autojoin", R.bool.autojoin));
 700                                final String nick = contactJid.getResource();
 701                                if (nick != null && !nick.isEmpty() && !nick.equals(MucOptions.defaultNick(account))) {
 702                                    bookmark.setNick(nick);
 703                                }
 704                                xmppConnectionService.createBookmark(account, bookmark);
 705                                final Conversation conversation = xmppConnectionService
 706                                        .findOrCreateConversation(account, contactJid, true, true, true);
 707                                bookmark.setConversation(conversation);
 708                                switchToConversationDoNotAppend(conversation, invite == null ? null : invite.getBody());
 709                            }
 710                        } else {
 711                            final Conversation conversation = xmppConnectionService.findOrCreateConversation(account, contactJid, true, true, true);
 712                            switchToConversationDoNotAppend(conversation, invite == null ? null : invite.getBody());
 713                        }
 714                    } else {
 715                        if (save) {
 716                            final String preAuth = invite == null ? null : invite.getParameter(XmppUri.PARAMETER_PRE_AUTH);
 717                            xmppConnectionService.createContact(contact, true, preAuth);
 718                            if (invite != null && invite.hasFingerprints()) {
 719                                xmppConnectionService.verifyFingerprints(contact, invite.getFingerprints());
 720                            }
 721                        }
 722                        switchToConversationDoNotAppend(contact, invite == null ? null : invite.getBody(), call ? "call" : null);
 723                    }
 724
 725                    try {
 726                        dialog.dismiss();
 727                    } catch (final IllegalStateException e) { }
 728                });
 729            });
 730
 731            return false;
 732        });
 733        dialog.show(ft, FRAGMENT_TAG_DIALOG);
 734    }
 735
 736    @SuppressLint("InflateParams")
 737    protected void showJoinConferenceDialog(final String prefilledJid, final Invite invite) {
 738        FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
 739        Fragment prev = getSupportFragmentManager().findFragmentByTag(FRAGMENT_TAG_DIALOG);
 740        if (prev != null) {
 741            ft.remove(prev);
 742        }
 743        ft.addToBackStack(null);
 744        JoinConferenceDialog joinConferenceFragment =
 745                JoinConferenceDialog.newInstance(prefilledJid, invite.getParameter("password"), mActivatedAccounts);
 746        joinConferenceFragment.show(ft, FRAGMENT_TAG_DIALOG);
 747    }
 748
 749    private void showCreatePrivateGroupChatDialog() {
 750        FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
 751        Fragment prev = getSupportFragmentManager().findFragmentByTag(FRAGMENT_TAG_DIALOG);
 752        if (prev != null) {
 753            ft.remove(prev);
 754        }
 755        ft.addToBackStack(null);
 756        CreatePrivateGroupChatDialog createConferenceFragment =
 757                CreatePrivateGroupChatDialog.newInstance(mActivatedAccounts);
 758        createConferenceFragment.show(ft, FRAGMENT_TAG_DIALOG);
 759    }
 760
 761    private void showPublicChannelDialog() {
 762        FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
 763        Fragment prev = getSupportFragmentManager().findFragmentByTag(FRAGMENT_TAG_DIALOG);
 764        if (prev != null) {
 765            ft.remove(prev);
 766        }
 767        ft.addToBackStack(null);
 768        CreatePublicChannelDialog dialog =
 769                CreatePublicChannelDialog.newInstance(mActivatedAccounts);
 770        dialog.show(ft, FRAGMENT_TAG_DIALOG);
 771    }
 772
 773    public static Account getSelectedAccount(
 774            final Context context, final AutoCompleteTextView spinner) {
 775        if (spinner == null || !spinner.isEnabled()) {
 776            return null;
 777        }
 778        if (context instanceof XmppActivity) {
 779            final Jid jid;
 780            try {
 781                jid = Jid.of(spinner.getText().toString());
 782            } catch (final IllegalArgumentException e) {
 783                return null;
 784            }
 785            final XmppConnectionService service = ((XmppActivity) context).xmppConnectionService;
 786            if (service == null) {
 787                return null;
 788            }
 789            return service.findAccountByJid(jid);
 790        } else {
 791            return null;
 792        }
 793    }
 794
 795    protected void switchToConversation(Contact contact) {
 796        Conversation conversation =
 797                xmppConnectionService.findOrCreateConversation(
 798                        contact.getAccount(), contact.getJid(), false, true);
 799        switchToConversation(conversation);
 800    }
 801
 802    protected void switchToConversationDoNotAppend(Contact contact, String body) {
 803        switchToConversationDoNotAppend(contact, body, null);
 804    }
 805
 806    protected void switchToConversationDoNotAppend(Contact contact, String body, String postInit) {
 807        Conversation conversation =
 808                xmppConnectionService.findOrCreateConversation(
 809                        contact.getAccount(), contact.getJid(), false, true);
 810        switchToConversation(conversation, body, false, null, false, true, postInit);
 811    }
 812
 813    @Override
 814    public void invalidateOptionsMenu() {
 815        boolean isExpanded = mMenuSearchView != null && mMenuSearchView.isActionViewExpanded();
 816        String text = mSearchEditText != null ? mSearchEditText.getText().toString() : "";
 817        if (isExpanded) {
 818            mInitialSearchValue.push(text);
 819            oneShotKeyboardSuppress.set(true);
 820        }
 821        super.invalidateOptionsMenu();
 822    }
 823
 824    private void updateSearchViewHint() {
 825        if (binding == null || mSearchEditText == null) {
 826            return;
 827        }
 828        if (binding.startConversationViewPager.getCurrentItem() == 0) {
 829            mSearchEditText.setHint("Search chats");
 830            mSearchEditText.setContentDescription("Search chats");
 831        } else {
 832            mSearchEditText.setHint(R.string.search_group_chats);
 833            mSearchEditText.setContentDescription(getString(R.string.search_group_chats));
 834        }
 835    }
 836
 837    @Override
 838    public boolean onCreateOptionsMenu(final Menu menu) {
 839        getMenuInflater().inflate(R.menu.start_conversation, menu);
 840        AccountUtils.showHideMenuItems(menu);
 841        final MenuItem menuHideOffline = menu.findItem(R.id.action_hide_offline);
 842        final MenuItem qrCodeScanMenuItem = menu.findItem(R.id.action_scan_qr_code);
 843        final MenuItem privacyPolicyMenuItem = menu.findItem(R.id.action_privacy_policy);
 844        privacyPolicyMenuItem.setVisible(
 845                BuildConfig.PRIVACY_POLICY != null
 846                        && QuickConversationsService.isPlayStoreFlavor());
 847        qrCodeScanMenuItem.setVisible(isCameraFeatureAvailable());
 848        if (QuickConversationsService.isQuicksy()) {
 849            menuHideOffline.setVisible(false);
 850        } else {
 851            menuHideOffline.setVisible(true);
 852            menuHideOffline.setChecked(this.mHideOfflineContacts);
 853        }
 854        mMenuSearchView = menu.findItem(R.id.action_search);
 855        mMenuSearchView.setOnActionExpandListener(mOnActionExpandListener);
 856        View mSearchView = mMenuSearchView.getActionView();
 857        mSearchEditText = mSearchView.findViewById(R.id.search_field);
 858        mSearchEditText.addTextChangedListener(mSearchTextWatcher);
 859        mSearchEditText.setOnEditorActionListener(mSearchDone);
 860
 861        SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(this);
 862        boolean showDynamicTags = preferences.getBoolean("show_dynamic_tags", getResources().getBoolean(R.bool.show_dynamic_tags));
 863        if (showDynamicTags) {
 864            RecyclerView tags = mSearchView.findViewById(R.id.tags);
 865            androidx.recyclerview.widget.DividerItemDecoration spacer = new androidx.recyclerview.widget.DividerItemDecoration(tags.getContext(), LinearLayoutManager.HORIZONTAL);
 866            spacer.setDrawable(getResources().getDrawable(R.drawable.horizontal_space));
 867            tags.addItemDecoration(spacer);
 868            tags.setLayoutManager(new LinearLayoutManager(this, LinearLayoutManager.HORIZONTAL, false));
 869            tags.setAdapter(mTagsAdapter);
 870        }
 871
 872        String initialSearchValue = mInitialSearchValue.pop();
 873        if (initialSearchValue != null) {
 874            mMenuSearchView.expandActionView();
 875            try {
 876                mSearchEditText.append(initialSearchValue);
 877            } catch (final StringIndexOutOfBoundsException e) {
 878                mSearchEditText.setText(initialSearchValue);
 879            }
 880            filter(initialSearchValue);
 881        }
 882        updateSearchViewHint();
 883        return super.onCreateOptionsMenu(menu);
 884    }
 885
 886    @Override
 887    public boolean onOptionsItemSelected(MenuItem item) {
 888        if (MenuDoubleTabUtil.shouldIgnoreTap()) {
 889            return false;
 890        }
 891        switch (item.getItemId()) {
 892            case android.R.id.home:
 893                navigateBack();
 894                return true;
 895            case R.id.action_scan_qr_code:
 896                UriHandlerActivity.scan(this);
 897                return true;
 898            case R.id.action_hide_offline:
 899                mHideOfflineContacts = !item.isChecked();
 900                getPreferences().edit().putBoolean("hide_offline", mHideOfflineContacts).apply();
 901                if (mSearchEditText != null) {
 902                    filter(mSearchEditText.getText().toString());
 903                }
 904                invalidateOptionsMenu();
 905        }
 906        return super.onOptionsItemSelected(item);
 907    }
 908
 909    @Override
 910    public boolean onKeyUp(int keyCode, KeyEvent event) {
 911        if (keyCode == KeyEvent.KEYCODE_SEARCH && !event.isLongPress()) {
 912            openSearch();
 913            return true;
 914        }
 915        int c = event.getUnicodeChar();
 916        if (c > 32) {
 917            if (mSearchEditText != null && !mSearchEditText.isFocused()) {
 918                openSearch();
 919                mSearchEditText.append(Character.toString((char) c));
 920                return true;
 921            }
 922        }
 923        return super.onKeyUp(keyCode, event);
 924    }
 925
 926    private void openSearch() {
 927        if (mMenuSearchView != null) {
 928            mMenuSearchView.expandActionView();
 929        }
 930    }
 931
 932    @Override
 933    public void onActivityResult(int requestCode, int resultCode, Intent intent) {
 934        if (resultCode == RESULT_OK) {
 935            if (xmppConnectionServiceBound) {
 936                this.mPostponedActivityResult = null;
 937                if (requestCode == REQUEST_CREATE_CONFERENCE) {
 938                    Account account = extractAccount(intent);
 939                    final String name =
 940                            intent.getStringExtra(ChooseContactActivity.EXTRA_GROUP_CHAT_NAME);
 941                    final List<Jid> jids = ChooseContactActivity.extractJabberIds(intent);
 942                    if (account != null && jids.size() > 0) {
 943                        // This hardcodes cheogram.com and is in general a terrible hack
 944                        // Ideally this would be based around XEP-0033 but until we think of a good fallback behaviour we keep using this gross commas thing
 945                        if (jids.stream().allMatch(jid -> jid.getDomain().toString().equals("cheogram.com"))) {
 946                            new AlertDialog.Builder(this)
 947                                .setMessage("You appear to be creating a group with only SMS contacts. Would you like to create a channel or an MMS group text?")
 948                                .setNeutralButton("Channel", (d, w) -> {
 949                                    if (xmppConnectionService.createAdhocConference(account, name, jids, mAdhocConferenceCallback)) {
 950                                        mToast = Toast.makeText(this, R.string.creating_conference, Toast.LENGTH_LONG);
 951                                        mToast.show();
 952                                    }
 953                                }).setPositiveButton("Group Text", (d, w) -> {
 954                                    Jid groupJid = Jid.ofLocalAndDomain(jids.stream().map(jid -> jid.getLocal()).sorted().collect(Collectors.joining(",")), "cheogram.com");
 955                                    Contact group = account.getRoster().getContact(groupJid);
 956                                    if (name != null && !name.equals("")) group.setServerName(name);
 957                                    xmppConnectionService.createContact(group, true);
 958                                    switchToConversation(group);
 959                                }).create().show();
 960                        } else {
 961                            if (xmppConnectionService.createAdhocConference(account, name, jids, mAdhocConferenceCallback)) {
 962                                mToast = Toast.makeText(this, R.string.creating_conference, Toast.LENGTH_LONG);
 963                                mToast.show();
 964                            }
 965                        }
 966                    }
 967                }
 968            } else {
 969                this.mPostponedActivityResult = new Pair<>(requestCode, intent);
 970            }
 971        }
 972        super.onActivityResult(requestCode, requestCode, intent);
 973    }
 974
 975    private boolean askForContactsPermissions() {
 976        if (!QuickConversationsService.isContactListIntegration(this)) {
 977            return false;
 978        }
 979        if (checkSelfPermission(Manifest.permission.READ_CONTACTS)
 980                == PackageManager.PERMISSION_GRANTED) {
 981            return false;
 982        }
 983        if (mRequestedContactsPermission.compareAndSet(false, true)) {
 984            final ImmutableList.Builder<String> permissionBuilder = new ImmutableList.Builder<>();
 985            permissionBuilder.add(Manifest.permission.READ_CONTACTS);
 986            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
 987                permissionBuilder.add(Manifest.permission.POST_NOTIFICATIONS);
 988            }
 989            final String[] permission = permissionBuilder.build().toArray(new String[0]);
 990            final String consent =
 991                    PreferenceManager.getDefaultSharedPreferences(getApplicationContext())
 992                            .getString(PREF_KEY_CONTACT_INTEGRATION_CONSENT, null);
 993            final boolean requiresConsent = !"agreed".equals(consent);
 994            if (requiresConsent && "declined".equals(consent)) {
 995                Log.d(
 996                        Config.LOGTAG,
 997                        "not asking for contacts permission because consent has been declined");
 998                return false;
 999            }
1000            if (requiresConsent
1001                    || shouldShowRequestPermissionRationale(Manifest.permission.READ_CONTACTS)) {
1002                final MaterialAlertDialogBuilder builder = new MaterialAlertDialogBuilder(this);
1003                final AtomicBoolean requestPermission = new AtomicBoolean(false);
1004                if (QuickConversationsService.isQuicksy()) {
1005                    builder.setTitle(R.string.quicksy_wants_your_consent);
1006                    builder.setMessage(
1007                            Html.fromHtml(getString(R.string.sync_with_contacts_quicksy_static)));
1008                } else {
1009                    builder.setTitle(R.string.sync_with_contacts);
1010                    builder.setMessage(
1011                            getString(
1012                                    R.string.sync_with_contacts_long,
1013                                    getString(R.string.app_name)));
1014                }
1015                @StringRes int confirmButtonText;
1016                if (requiresConsent) {
1017                    confirmButtonText = R.string.agree_and_continue;
1018                } else {
1019                    confirmButtonText = R.string.next;
1020                }
1021                builder.setPositiveButton(
1022                        confirmButtonText,
1023                        (dialog, which) -> {
1024                            if (requiresConsent) {
1025                                PreferenceManager.getDefaultSharedPreferences(
1026                                                getApplicationContext())
1027                                        .edit()
1028                                        .putString(PREF_KEY_CONTACT_INTEGRATION_CONSENT, "agreed")
1029                                        .apply();
1030                            }
1031                            if (requestPermission.compareAndSet(false, true)) {
1032                                requestPermissions(permission, REQUEST_SYNC_CONTACTS);
1033                            }
1034                        });
1035                if (requiresConsent) {
1036                    builder.setNegativeButton(
1037                            R.string.decline,
1038                            (dialog, which) ->
1039                                    PreferenceManager.getDefaultSharedPreferences(
1040                                                    getApplicationContext())
1041                                            .edit()
1042                                            .putString(
1043                                                    PREF_KEY_CONTACT_INTEGRATION_CONSENT,
1044                                                    "declined")
1045                                            .apply());
1046                } else {
1047                    builder.setOnDismissListener(
1048                            dialog -> {
1049                                if (requestPermission.compareAndSet(false, true)) {
1050                                    requestPermissions(permission, REQUEST_SYNC_CONTACTS);
1051                                }
1052                            });
1053                }
1054                builder.setCancelable(requiresConsent);
1055                final AlertDialog dialog = builder.create();
1056                dialog.setCanceledOnTouchOutside(requiresConsent);
1057                dialog.setOnShowListener(
1058                        dialogInterface -> {
1059                            final TextView tv = dialog.findViewById(android.R.id.message);
1060                            if (tv != null) {
1061                                tv.setMovementMethod(LinkMovementMethod.getInstance());
1062                            }
1063                        });
1064                dialog.show();
1065            } else {
1066                requestPermissions(permission, REQUEST_SYNC_CONTACTS);
1067            }
1068        }
1069        return true;
1070    }
1071
1072    @Override
1073    public void onRequestPermissionsResult(
1074            int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
1075        super.onRequestPermissionsResult(requestCode, permissions, grantResults);
1076        if (grantResults.length > 0)
1077            if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {
1078                UriHandlerActivity.onRequestPermissionResult(this, requestCode, grantResults);
1079                if (requestCode == REQUEST_SYNC_CONTACTS && xmppConnectionServiceBound) {
1080                    if (QuickConversationsService.isQuicksy()) {
1081                        setRefreshing(true);
1082                    }
1083                    xmppConnectionService.loadPhoneContacts();
1084                    xmppConnectionService.startContactObserver();
1085                }
1086            }
1087    }
1088
1089    private void configureHomeButton() {
1090        final ActionBar actionBar = getSupportActionBar();
1091        if (actionBar == null) {
1092            return;
1093        }
1094        boolean openConversations =
1095                !createdByViewIntent && !xmppConnectionService.isConversationsListEmpty(null);
1096        actionBar.setDisplayHomeAsUpEnabled(openConversations);
1097        actionBar.setDisplayHomeAsUpEnabled(openConversations);
1098    }
1099
1100    @Override
1101    protected void onBackendConnected() {
1102        if (QuickConversationsService.isContactListIntegration(this)
1103                && (Build.VERSION.SDK_INT < Build.VERSION_CODES.M
1104                        || checkSelfPermission(Manifest.permission.READ_CONTACTS)
1105                                == PackageManager.PERMISSION_GRANTED)) {
1106            xmppConnectionService.getQuickConversationsService().considerSyncBackground(false);
1107        }
1108        if (mPostponedActivityResult != null) {
1109            onActivityResult(
1110                    mPostponedActivityResult.first, RESULT_OK, mPostponedActivityResult.second);
1111            this.mPostponedActivityResult = null;
1112        }
1113        var intent = pendingViewIntent.pop();
1114        if (intent == null) intent = getIntent();
1115        this.mActivatedAccounts.clear();
1116        final String accountFilterJid = intent == null ? null : intent.getStringExtra(EXTRA_ACCOUNT_FILTER);
1117        if (accountFilterJid == null) {
1118            this.mActivatedAccounts.addAll(AccountUtils.getEnabledAccounts(xmppConnectionService));
1119        } else {
1120            this.mActivatedAccounts.add(accountFilterJid);
1121        }
1122        configureHomeButton();
1123
1124        final var goTo = intent.getIntExtra(EXTRA_GOTO, 0);
1125        switch (goTo) {
1126            case R.id.discover_public_channels:
1127                startActivity(new Intent(this, ChannelDiscoveryActivity.class));
1128                break;
1129            case R.id.create_private_group_chat:
1130                showCreatePrivateGroupChatDialog();
1131                break;
1132            case R.id.create_public_channel:
1133                showPublicChannelDialog();
1134                break;
1135            case R.id.create_contact:
1136                showCreateContactDialog(null, null);
1137                break;
1138        }
1139
1140        final boolean onboardingCancel = xmppConnectionService.getPreferences().getString("onboarding_action", "").equals("cancel");
1141        if (onboardingCancel) xmppConnectionService.getPreferences().edit().remove("onboarding_action").commit();
1142
1143        if ((xmppConnectionService.isOnboarding() || (intent != null && intent.getBooleanExtra("init", false))) && !onboardingCancel && !xmppConnectionService.getAccounts().isEmpty()) {
1144            Account selectedAccount = xmppConnectionService.getAccounts().get(0);
1145            final String accountJid = intent == null ? null : intent.getStringExtra(EXTRA_ACCOUNT);
1146            intent = null;
1147            boolean hasPstnOrSms = false;
1148            Account onboardingAccount = null;
1149            outer:
1150            for (Account account : xmppConnectionService.getAccounts()) {
1151                if (onboardingAccount == null && account.getJid().getDomain().equals(Config.ONBOARDING_DOMAIN)) onboardingAccount = account;
1152
1153                if (accountJid != null) {
1154                    if(account.getJid().asBareJid().toString().equals(accountJid)) {
1155                        selectedAccount = account;
1156                    } else {
1157                        continue;
1158                    }
1159                }
1160
1161                final var hasGw = account.getGateways("pstn").size() > 0 || account.getGateways("sms").size() > 0;
1162                hasPstnOrSms = hasPstnOrSms || hasGw;
1163                if (hasGw) break outer;
1164            }
1165
1166            if (!hasPstnOrSms) {
1167                if (onboardingAccount != null && !selectedAccount.getJid().equals(onboardingAccount.getJid())) {
1168                    FinishOnboarding.finish(xmppConnectionService, this, onboardingAccount, selectedAccount);
1169                } else {
1170                    startCommand(selectedAccount, Jid.of("cheogram.com/CHEOGRAM%jabber:iq:register"), "jabber:iq:register");
1171                    finish();
1172                    return;
1173                }
1174            }
1175        }
1176
1177        if (intent != null && processViewIntent(intent)) {
1178            filter(null);
1179        } else {
1180            if (mSearchEditText != null) {
1181                filter(mSearchEditText.getText().toString());
1182            } else {
1183                filter(null);
1184            }
1185        }
1186        Fragment fragment = getSupportFragmentManager().findFragmentByTag(FRAGMENT_TAG_DIALOG);
1187        if (fragment instanceof OnBackendConnected) {
1188            Log.d(Config.LOGTAG, "calling on backend connected on dialog");
1189            ((OnBackendConnected) fragment).onBackendConnected();
1190        }
1191        if (QuickConversationsService.isQuicksy()) {
1192            setRefreshing(xmppConnectionService.getQuickConversationsService().isSynchronizing());
1193        }
1194        if (QuickConversationsService.isConversations()
1195                && AccountUtils.hasEnabledAccounts(xmppConnectionService)
1196                && this.contacts.size() == 0
1197                && this.conferences.size() == 0
1198                && mOpenedFab.compareAndSet(false, true)) {
1199            binding.speedDial.open();
1200        }
1201
1202        if (!createdByViewIntent) {
1203            if (askForContactsPermissions()) {
1204                return;
1205            }
1206            requestNotificationPermissionIfNeeded();
1207        }
1208    }
1209
1210    protected boolean processViewIntent(@NonNull Intent intent) {
1211        final String inviteUri = intent.getStringExtra(EXTRA_INVITE_URI);
1212        if (inviteUri != null) {
1213            final Invite invite = new Invite(inviteUri);
1214            invite.account = intent.getStringExtra(EXTRA_ACCOUNT);
1215            if (invite.isValidJid()) {
1216                return invite.invite();
1217            }
1218        }
1219        final String action = intent.getAction();
1220        if (action == null) {
1221            return false;
1222        }
1223        switch (action) {
1224            case Intent.ACTION_SENDTO:
1225            case Intent.ACTION_VIEW:
1226                Uri uri = intent.getData();
1227                if (uri != null) {
1228                    Invite invite =
1229                            new Invite(intent.getData(), intent.getBooleanExtra("scanned", false));
1230                    invite.account = intent.getStringExtra(EXTRA_ACCOUNT);
1231                    invite.forceDialog = intent.getBooleanExtra("force_dialog", false);
1232                    return invite.invite();
1233                } else {
1234                    return false;
1235                }
1236        }
1237        return false;
1238    }
1239
1240    private boolean handleJid(Invite invite) {
1241        List<Contact> contacts =
1242                xmppConnectionService.findContacts(invite.getJid(), invite.account);
1243        final Conversation muc = xmppConnectionService.findFirstMuc(invite.getJid(), invite.account);
1244        if (invite.isAction(XmppUri.ACTION_JOIN) || (contacts.isEmpty() && muc != null)) {
1245            if (muc != null && !invite.forceDialog) {
1246                if (invite.getParameter("password") != null) {
1247                    xmppConnectionService.providePasswordForMuc(muc, invite.getParameter("password"));
1248                }
1249                switchToConversationDoNotAppend(muc, invite.getBody());
1250                return true;
1251            } else {
1252                showJoinConferenceDialog(invite.getJid().asBareJid().toString(), invite);
1253                return false;
1254            }
1255        } else if (contacts.isEmpty()) {
1256            showCreateContactDialog(invite.getJid().toString(), invite);
1257            return false;
1258        } else if (contacts.size() == 1) {
1259            Contact contact = contacts.get(0);
1260            if (!invite.isSafeSource() && invite.hasFingerprints()) {
1261                displayVerificationWarningDialog(contact, invite);
1262            } else {
1263                if (invite.hasFingerprints()) {
1264                    if (xmppConnectionService.verifyFingerprints(
1265                            contact, invite.getFingerprints())) {
1266                        Toast.makeText(this, R.string.verified_fingerprints, Toast.LENGTH_SHORT)
1267                                .show();
1268                    }
1269                }
1270                if (invite.account != null) {
1271                    xmppConnectionService.getShortcutService().report(contact);
1272                }
1273                switchToConversationDoNotAppend(contact, invite.getBody());
1274            }
1275            return true;
1276        } else {
1277            if (mMenuSearchView != null) {
1278                mMenuSearchView.expandActionView();
1279                mSearchEditText.setText("");
1280                mSearchEditText.append(invite.getJid().toString());
1281                filter(invite.getJid().toString());
1282            } else {
1283                mInitialSearchValue.push(invite.getJid().toString());
1284            }
1285            return true;
1286        }
1287    }
1288
1289    private void displayVerificationWarningDialog(final Contact contact, final Invite invite) {
1290        final MaterialAlertDialogBuilder builder = new MaterialAlertDialogBuilder(this);
1291        builder.setTitle(R.string.verify_omemo_keys);
1292        View view = getLayoutInflater().inflate(R.layout.dialog_verify_fingerprints, null);
1293        final CheckBox isTrustedSource = view.findViewById(R.id.trusted_source);
1294        TextView warning = view.findViewById(R.id.warning);
1295        warning.setText(
1296                JidDialog.style(
1297                        this,
1298                        R.string.verifying_omemo_keys_trusted_source,
1299                        contact.getJid().asBareJid().toString(),
1300                        contact.getDisplayName()));
1301        builder.setView(view);
1302        builder.setPositiveButton(
1303                R.string.confirm,
1304                (dialog, which) -> {
1305                    if (isTrustedSource.isChecked() && invite.hasFingerprints()) {
1306                        xmppConnectionService.verifyFingerprints(contact, invite.getFingerprints());
1307                    }
1308                    switchToConversationDoNotAppend(contact, invite.getBody());
1309                });
1310        builder.setNegativeButton(
1311                R.string.cancel, (dialog, which) -> StartConversationActivity.this.finish());
1312        AlertDialog dialog = builder.create();
1313        dialog.setCanceledOnTouchOutside(false);
1314        dialog.setOnCancelListener(dialog1 -> StartConversationActivity.this.finish());
1315        dialog.show();
1316    }
1317
1318    protected void filter(String needle) {
1319        if (xmppConnectionServiceBound) {
1320            synchronized(this.contacts) { this.filterContacts(needle); }
1321            this.filterConferences(needle);
1322        }
1323    }
1324
1325    protected void filterContacts(String needle) {
1326        this.contacts.clear();
1327        ArrayList<ListItem.Tag> tags = new ArrayList<>();
1328        final var accounts = new ArrayList<Account>();
1329        for (final var account : xmppConnectionService.getAccounts()) {
1330            if (mActivatedAccounts.contains(account.getJid().asBareJid().toString())) accounts.add(account);
1331        }
1332        boolean foundSopranica = false;
1333        for (final Account account : accounts) {
1334            for (Contact contact : account.getRoster().getContacts()) {
1335                Presence.Status s = contact.getShownStatus();
1336                if (contact.showInContactList()
1337                    && contact.match(this, needle)
1338                    && (!this.mHideOfflineContacts
1339                        || (needle != null && !needle.trim().isEmpty())
1340                        || s.compareTo(Presence.Status.OFFLINE) < 0)) {
1341                    this.contacts.add(contact);
1342                    tags.addAll(contact.getTags(this));
1343                }
1344            }
1345
1346            final Contact self = new Contact(account.getSelfContact());
1347            self.setSystemName("Note to Self");
1348            if (self.match(this, needle)) {
1349                this.contacts.add(self);
1350            }
1351
1352            for (Bookmark bookmark : account.getBookmarks()) {
1353                if (bookmark.match(this, needle)) {
1354                    if (bookmark.getJid().toString().equals("discuss@conference.soprani.ca")) {
1355                        foundSopranica = true;
1356                    }
1357                    this.contacts.add(bookmark);
1358                    tags.addAll(bookmark.getTags(this));
1359                }
1360            }
1361        }
1362
1363        Comparator<Map.Entry<ListItem.Tag,Integer>> sortTagsBy = Map.Entry.comparingByValue(Comparator.reverseOrder());
1364        sortTagsBy = sortTagsBy.thenComparing(entry -> entry.getKey().getName());
1365
1366        mTagsAdapter.setTags(
1367            tags.stream()
1368            .collect(Collectors.toMap((x) -> x, (t) -> 1, (c1, c2) -> c1 + c2))
1369            .entrySet().stream()
1370            .sorted(sortTagsBy)
1371            .map(e -> e.getKey()).collect(Collectors.toList())
1372        );
1373        Collections.sort(this.contacts);
1374
1375        final boolean sopranicaDeleted = getPreferences().getBoolean("cheogram_sopranica_bookmark_deleted", false);
1376
1377        if (!sopranicaDeleted && !foundSopranica && (needle == null || needle.equals("")) && xmppConnectionService.getAccounts().size() > 0) {
1378            Bookmark bookmark = new Bookmark(
1379                xmppConnectionService.getAccounts().get(0),
1380                Jid.of("discuss@conference.soprani.ca")
1381            );
1382            bookmark.setBookmarkName("Soprani.ca / Cheogram Discussion");
1383            bookmark.addChild("group").setContent("support");
1384            this.contacts.add(0, bookmark);
1385        }
1386
1387        mContactsAdapter.notifyDataSetChanged();
1388    }
1389
1390    protected void filterConferences(String needle) {
1391        this.conferences.clear();
1392        for (final Account account : xmppConnectionService.getAccounts()) {
1393            if (account.isEnabled()) {
1394                for (final Bookmark bookmark : account.getBookmarks()) {
1395                    if (bookmark.match(this, needle)) {
1396                        this.conferences.add(bookmark);
1397                    }
1398                }
1399            }
1400        }
1401        Collections.sort(this.conferences);
1402        mConferenceAdapter.notifyDataSetChanged();
1403    }
1404
1405    @Override
1406    public void OnUpdateBlocklist(final Status status) {
1407        refreshUi();
1408    }
1409
1410    @Override
1411    protected void refreshUiReal() {
1412        if (mSearchEditText != null) {
1413            filter(mSearchEditText.getText().toString());
1414        }
1415        configureHomeButton();
1416        if (QuickConversationsService.isQuicksy()) {
1417            setRefreshing(xmppConnectionService.getQuickConversationsService().isSynchronizing());
1418        }
1419    }
1420
1421    @Override
1422    public void onBackPressed() {
1423        if (binding.speedDial.isOpen()) {
1424            binding.speedDial.close();
1425            return;
1426        }
1427        navigateBack();
1428    }
1429
1430    private void navigateBack() {
1431        if (!createdByViewIntent
1432                && xmppConnectionService != null
1433                && !xmppConnectionService.isConversationsListEmpty(null)) {
1434            Intent intent = new Intent(this, ConversationsActivity.class);
1435            intent.addFlags(Intent.FLAG_ACTIVITY_NO_ANIMATION);
1436            startActivity(intent);
1437        }
1438        finish();
1439    }
1440
1441    @Override
1442    public void onCreateDialogPositiveClick(AutoCompleteTextView spinner, String name) {
1443        if (!xmppConnectionServiceBound) {
1444            return;
1445        }
1446        final Account account = getSelectedAccount(this, spinner);
1447        if (account == null) {
1448            return;
1449        }
1450        Intent intent = new Intent(getApplicationContext(), ChooseContactActivity.class);
1451        intent.putExtra(ChooseContactActivity.EXTRA_SHOW_ENTER_JID, true);
1452        intent.putExtra(ChooseContactActivity.EXTRA_SELECT_MULTIPLE, true);
1453        intent.putExtra(ChooseContactActivity.EXTRA_GROUP_CHAT_NAME, name.trim());
1454        intent.putExtra(
1455                ChooseContactActivity.EXTRA_ACCOUNT, account.getJid().asBareJid().toString());
1456        intent.putExtra(ChooseContactActivity.EXTRA_TITLE_RES_ID, R.string.choose_participants);
1457        startActivityForResult(intent, REQUEST_CREATE_CONFERENCE);
1458    }
1459
1460    @Override
1461    public void onJoinDialogPositiveClick(
1462            final Dialog dialog,
1463            final AutoCompleteTextView spinner,
1464            final TextInputLayout layout,
1465            final AutoCompleteTextView jid,
1466            final String password) {
1467        if (!xmppConnectionServiceBound) {
1468            return;
1469        }
1470        final Account account = getSelectedAccount(this, spinner);
1471        if (account == null) {
1472            return;
1473        }
1474        final String input = jid.getText().toString().trim();
1475        Jid conferenceJid;
1476        try {
1477            conferenceJid = Jid.ofUserInput(input);
1478        } catch (final IllegalArgumentException e) {
1479            final XmppUri xmppUri = new XmppUri(input);
1480            if (xmppUri.isValidJid() && xmppUri.isAction(XmppUri.ACTION_JOIN)) {
1481                final Editable editable = jid.getEditableText();
1482                editable.clear();
1483                editable.append(xmppUri.getJid().toString());
1484                conferenceJid = xmppUri.getJid();
1485            } else {
1486                layout.setError(getString(R.string.invalid_jid));
1487                return;
1488            }
1489        }
1490        final var existingBookmark = account.getBookmark(conferenceJid);
1491        if (existingBookmark != null) {
1492            openConversationsForBookmark(existingBookmark);
1493        } else {
1494            final var bookmark = new Bookmark(account, conferenceJid.asBareJid());
1495            bookmark.setAutojoin(true);
1496            final String nick = conferenceJid.getResource();
1497            if (nick != null && !nick.isEmpty() && !nick.equals(MucOptions.defaultNick(account))) {
1498                bookmark.setNick(nick);
1499            }
1500            xmppConnectionService.createBookmark(account, bookmark);
1501            final Conversation conversation =
1502                    xmppConnectionService.findOrCreateConversation(
1503                            account, conferenceJid, true, true, null, true, password);
1504            bookmark.setConversation(conversation);
1505            switchToConversation(conversation);
1506        }
1507        dialog.dismiss();
1508    }
1509
1510    @Override
1511    public void onConversationUpdate() {
1512        refreshUi();
1513    }
1514
1515    @Override
1516    public void onRefresh() {
1517        Log.d(Config.LOGTAG, "user requested to refresh");
1518        if (QuickConversationsService.isQuicksy() && xmppConnectionService != null) {
1519            xmppConnectionService.getQuickConversationsService().considerSyncBackground(true);
1520        }
1521    }
1522
1523    private void setRefreshing(boolean refreshing) {
1524        MyListFragment fragment = (MyListFragment) mListPagerAdapter.getItem(0);
1525        if (fragment != null) {
1526            fragment.setRefreshing(refreshing);
1527        }
1528    }
1529
1530    @Override
1531    public void onCreatePublicChannel(Account account, String name, Jid address) {
1532        mToast = Toast.makeText(this, R.string.creating_channel, Toast.LENGTH_LONG);
1533        mToast.show();
1534        xmppConnectionService.createPublicChannel(
1535                account,
1536                name,
1537                address,
1538                new UiCallback<Conversation>() {
1539                    @Override
1540                    public void success(Conversation conversation) {
1541                        runOnUiThread(
1542                                () -> {
1543                                    hideToast();
1544                                    switchToConversation(conversation);
1545                                });
1546                    }
1547
1548                    @Override
1549                    public void error(int errorCode, Conversation conversation) {
1550                        runOnUiThread(
1551                                () -> {
1552                                    replaceToast(getString(errorCode));
1553                                    switchToConversation(conversation);
1554                                });
1555                    }
1556
1557                    @Override
1558                    public void userInputRequired(PendingIntent pi, Conversation object) {}
1559                });
1560    }
1561
1562    public static class MyListFragment extends SwipeRefreshListFragment {
1563        private AdapterView.OnItemClickListener mOnItemClickListener;
1564        private int mResContextMenu;
1565
1566        public void setContextMenu(final int res) {
1567            this.mResContextMenu = res;
1568        }
1569
1570        @Override
1571        public void onListItemClick(
1572                final ListView l, final View v, final int position, final long id) {
1573            if (mOnItemClickListener != null) {
1574                mOnItemClickListener.onItemClick(l, v, position, id);
1575            }
1576        }
1577
1578        public void setOnListItemClickListener(AdapterView.OnItemClickListener l) {
1579            this.mOnItemClickListener = l;
1580        }
1581
1582        @Override
1583        public void onViewCreated(@NonNull final View view, final Bundle savedInstanceState) {
1584            super.onViewCreated(view, savedInstanceState);
1585            registerForContextMenu(getListView());
1586            getListView().setFastScrollEnabled(true);
1587            getListView().setDivider(null);
1588            getListView().setDividerHeight(0);
1589        }
1590
1591        @Override
1592        public void onCreateContextMenu(
1593                @NonNull final ContextMenu menu,
1594                @NonNull final View v,
1595                final ContextMenuInfo menuInfo) {
1596            super.onCreateContextMenu(menu, v, menuInfo);
1597            final StartConversationActivity activity = (StartConversationActivity) getActivity();
1598            if (activity == null) {
1599                return;
1600            }
1601            final AdapterView.AdapterContextMenuInfo acmi = (AdapterContextMenuInfo) menuInfo;
1602            activity.contextItem = null;
1603            if (mResContextMenu == R.menu.contact_context) {
1604                activity.contextItem = activity.contacts.get(acmi.position);
1605            } else if (mResContextMenu == R.menu.conference_context) {
1606                activity.contextItem = activity.conferences.get(acmi.position);
1607            }
1608            if (activity.contextItem instanceof Bookmark) {
1609                activity.getMenuInflater().inflate(R.menu.conference_context, menu);
1610                final Bookmark bookmark = (Bookmark) activity.contextItem;
1611                final Conversation conversation = bookmark.getConversation();
1612                final MenuItem share = menu.findItem(R.id.context_share_uri);
1613                final MenuItem delete = menu.findItem(R.id.context_delete_conference);
1614                if (conversation != null) {
1615                    delete.setTitle(R.string.delete_and_close);
1616                } else {
1617                    delete.setTitle(R.string.delete_bookmark);
1618                }
1619                share.setVisible(conversation == null || !conversation.isPrivateAndNonAnonymous());
1620            } else if (activity.contextItem instanceof Contact) {
1621                activity.getMenuInflater().inflate(R.menu.contact_context, menu);
1622                final Contact contact = (Contact) activity.contextItem;
1623                final MenuItem blockUnblockItem = menu.findItem(R.id.context_contact_block_unblock);
1624                final MenuItem showContactDetailsItem = menu.findItem(R.id.context_contact_details);
1625                final MenuItem deleteContactMenuItem = menu.findItem(R.id.context_delete_contact);
1626                if (contact.isSelf()) {
1627                    showContactDetailsItem.setVisible(false);
1628                }
1629                deleteContactMenuItem.setVisible(
1630                        contact.showInRoster()
1631                                && !contact.getOption(Contact.Options.SYNCED_VIA_OTHER));
1632                final XmppConnection xmpp = contact.getAccount().getXmppConnection();
1633                if (xmpp != null && xmpp.getFeatures().blocking() && !contact.isSelf()) {
1634                    if (contact.isBlocked()) {
1635                        blockUnblockItem.setTitle(R.string.unblock_contact);
1636                    } else {
1637                        blockUnblockItem.setTitle(R.string.block_contact);
1638                    }
1639                } else {
1640                    blockUnblockItem.setVisible(false);
1641                }
1642            }
1643        }
1644
1645        @Override
1646        public boolean onContextItemSelected(final MenuItem item) {
1647            StartConversationActivity activity = (StartConversationActivity) getActivity();
1648            if (activity == null) {
1649                return true;
1650            }
1651            switch (item.getItemId()) {
1652                case R.id.context_contact_details:
1653                    activity.openDetailsForContact();
1654                    break;
1655                case R.id.context_show_qr:
1656                    activity.showQrForContact();
1657                    break;
1658                case R.id.context_contact_block_unblock:
1659                    activity.toggleContactBlock();
1660                    break;
1661                case R.id.context_delete_contact:
1662                    activity.deleteContact();
1663                    break;
1664                case R.id.context_share_uri:
1665                    activity.shareBookmarkUri();
1666                    break;
1667                case R.id.context_delete_conference:
1668                    activity.deleteConference();
1669            }
1670            return true;
1671        }
1672    }
1673
1674    public class ListPagerAdapter extends PagerAdapter {
1675        private final FragmentManager fragmentManager;
1676        private final MyListFragment[] fragments;
1677
1678        ListPagerAdapter(FragmentManager fm) {
1679            fragmentManager = fm;
1680            fragments = new MyListFragment[2];
1681        }
1682
1683        public void requestFocus(int pos) {
1684            if (fragments.length > pos) {
1685                fragments[pos].getListView().requestFocus();
1686            }
1687        }
1688
1689        @Override
1690        public void destroyItem(
1691                @NonNull ViewGroup container, int position, @NonNull Object object) {
1692            FragmentTransaction trans = fragmentManager.beginTransaction();
1693            trans.remove(fragments[position]);
1694            trans.commit();
1695            fragments[position] = null;
1696        }
1697
1698        @NonNull
1699        @Override
1700        public Fragment instantiateItem(@NonNull ViewGroup container, int position) {
1701            final Fragment fragment = getItem(position);
1702            final FragmentTransaction trans = fragmentManager.beginTransaction();
1703            trans.add(container.getId(), fragment, "fragment:" + position);
1704            try {
1705                trans.commit();
1706            } catch (IllegalStateException e) {
1707                // ignore
1708            }
1709            return fragment;
1710        }
1711
1712        @Override
1713        public int getCount() {
1714            return fragments.length;
1715        }
1716
1717        @Override
1718        public boolean isViewFromObject(@NonNull View view, @NonNull Object fragment) {
1719            return ((Fragment) fragment).getView() == view;
1720        }
1721
1722        @Nullable
1723        @Override
1724        public CharSequence getPageTitle(int position) {
1725            switch (position) {
1726                case 0:
1727                    return getResources().getString(R.string.contacts);
1728                case 1:
1729                    return getResources().getString(R.string.group_chats);
1730                default:
1731                    return super.getPageTitle(position);
1732            }
1733        }
1734
1735        Fragment getItem(int position) {
1736            if (fragments[position] == null) {
1737                final MyListFragment listFragment = new MyListFragment();
1738                if (position == 1) {
1739                    listFragment.setListAdapter(mConferenceAdapter);
1740                    listFragment.setContextMenu(R.menu.conference_context);
1741                    listFragment.setOnListItemClickListener(
1742                            (arg0, arg1, p, arg3) -> openConversationForBookmark(p));
1743                } else {
1744                    listFragment.setListAdapter(mContactsAdapter);
1745                    listFragment.setContextMenu(R.menu.contact_context);
1746                    listFragment.setOnListItemClickListener(
1747                            (arg0, arg1, p, arg3) -> openConversationForContact(p));
1748                    if (QuickConversationsService.isQuicksy()) {
1749                        listFragment.setOnRefreshListener(StartConversationActivity.this);
1750                    }
1751                }
1752                fragments[position] = listFragment;
1753            }
1754            return fragments[position];
1755        }
1756    }
1757
1758    public static void addInviteUri(Intent to, Intent from) {
1759        if (from != null && from.hasExtra(EXTRA_INVITE_URI)) {
1760            final String invite = from.getStringExtra(EXTRA_INVITE_URI);
1761            to.putExtra(EXTRA_INVITE_URI, invite);
1762        }
1763    }
1764
1765    private class Invite extends XmppUri {
1766
1767        public String account;
1768
1769        boolean forceDialog = false;
1770
1771        Invite(final String uri) {
1772            super(uri);
1773        }
1774
1775        Invite(Uri uri, boolean safeSource) {
1776            super(uri, safeSource);
1777        }
1778
1779        boolean invite() {
1780            if (!isValidJid()) {
1781                Toast.makeText(
1782                                StartConversationActivity.this,
1783                                R.string.invalid_jid,
1784                                Toast.LENGTH_SHORT)
1785                        .show();
1786                return false;
1787            }
1788            if (getJid() != null) {
1789                return handleJid(this);
1790            }
1791            return false;
1792        }
1793    }
1794
1795    class TagsAdapter extends RecyclerView.Adapter<TagsAdapter.ViewHolder> {
1796        class ViewHolder extends RecyclerView.ViewHolder {
1797            protected TextView tv;
1798
1799            public ViewHolder(View v) {
1800                super(v);
1801                tv = (TextView) v;
1802                tv.setOnClickListener(view -> {
1803                    String needle = mSearchEditText.getText().toString();
1804                    String tag = tv.getText().toString();
1805                    String[] parts = needle.split("[,\\s]+");
1806                    if(needle.isEmpty()) {
1807                        needle = tag;
1808                    } else if (tag.toLowerCase(Locale.US).contains(parts[parts.length-1])) {
1809                        needle = needle.replace(parts[parts.length-1], tag);
1810                    } else {
1811                        needle += ", " + tag;
1812                    }
1813                    mSearchEditText.setText("");
1814                    mSearchEditText.append(needle);
1815                    filter(needle);
1816                });
1817            }
1818
1819            public void setTag(ListItem.Tag tag) {
1820                tv.setText(tag.getName());
1821                tv.setBackgroundTintList(ColorStateList.valueOf(MaterialColors.harmonizeWithPrimary(StartConversationActivity.this,XEP0392Helper.rgbFromNick(tag.getName()))));
1822            }
1823        }
1824
1825        protected List<ListItem.Tag> tags = new ArrayList<>();
1826
1827        @Override
1828        public ViewHolder onCreateViewHolder(ViewGroup viewGroup, int i) {
1829            View view = LayoutInflater.from(viewGroup.getContext()).inflate(R.layout.item_tag, null);
1830            return new ViewHolder(view);
1831        }
1832
1833        @Override
1834        public void onBindViewHolder(ViewHolder viewHolder, int i) {
1835            viewHolder.setTag(tags.get(i));
1836        }
1837
1838        @Override
1839        public int getItemCount() {
1840            return tags.size();
1841        }
1842
1843        public void setTags(final List<ListItem.Tag> tags) {
1844            ListItem.Tag channelTag = new ListItem.Tag("Channel");
1845            String needle = mSearchEditText == null ? "" : mSearchEditText.getText().toString().toLowerCase(Locale.US).trim();
1846            HashSet<String> parts = new HashSet<>(Arrays.asList(needle.split("[,\\s]+")));
1847            this.tags = tags.stream().filter(
1848                tag -> !tag.equals(channelTag) && !parts.contains(tag.getName().toLowerCase(Locale.US))
1849            ).collect(Collectors.toList());
1850            if (!parts.contains("channel") && tags.contains(channelTag)) this.tags.add(0, channelTag);
1851            notifyDataSetChanged();
1852        }
1853    }
1854}