StartConversationActivity.java

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