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    public static final String EXTRA_TEXT_FILTER = "text_filter";
 128    public static final String EXTRA_GOTO = "goto";
 129
 130    private final int REQUEST_SYNC_CONTACTS = 0x28cf;
 131    private final int REQUEST_CREATE_CONFERENCE = 0x39da;
 132    private final PendingItem<Intent> pendingViewIntent = new PendingItem<>();
 133    private final PendingItem<String> mInitialSearchValue = new PendingItem<>();
 134    private final AtomicBoolean oneShotKeyboardSuppress = new AtomicBoolean();
 135    public ListItem contextItem;
 136    private ListPagerAdapter mListPagerAdapter;
 137    private final List<ListItem> contacts = new ArrayList<>();
 138    private ListItemAdapter mContactsAdapter;
 139    private TagsAdapter mTagsAdapter = new TagsAdapter();
 140    private final List<ListItem> conferences = new ArrayList<>();
 141    private ListItemAdapter mConferenceAdapter;
 142    private final ArrayList<String> mActivatedAccounts = new ArrayList<>();
 143    private EditText mSearchEditText;
 144    private final AtomicBoolean mRequestedContactsPermission = new AtomicBoolean(false);
 145    private final AtomicBoolean mOpenedFab = new AtomicBoolean(false);
 146    private boolean mHideOfflineContacts = false;
 147    private boolean createdByViewIntent = false;
 148    private final MenuItem.OnActionExpandListener mOnActionExpandListener =
 149            new MenuItem.OnActionExpandListener() {
 150
 151                @Override
 152                public boolean onMenuItemActionExpand(@NonNull final MenuItem item) {
 153                    mSearchEditText.post(
 154                            () -> {
 155                                updateSearchViewHint();
 156                                mSearchEditText.requestFocus();
 157                                if (oneShotKeyboardSuppress.compareAndSet(true, false)) {
 158                                    return;
 159                                }
 160                                InputMethodManager imm =
 161                                        (InputMethodManager)
 162                                                getSystemService(Context.INPUT_METHOD_SERVICE);
 163                                if (imm != null) {
 164                                    imm.showSoftInput(
 165                                            mSearchEditText, InputMethodManager.SHOW_IMPLICIT);
 166                                }
 167                            });
 168                    if (binding.speedDial.isOpen()) {
 169                        binding.speedDial.close();
 170                    }
 171                    return true;
 172                }
 173
 174                @Override
 175                public boolean onMenuItemActionCollapse(@NonNull final MenuItem item) {
 176                    SoftKeyboardUtils.hideSoftKeyboard(StartConversationActivity.this);
 177                    mSearchEditText.setText("");
 178                    filter(null);
 179                    navigateBack();
 180                    return true;
 181                }
 182            };
 183    private final TextWatcher mSearchTextWatcher =
 184            new TextWatcher() {
 185
 186                @Override
 187                public void afterTextChanged(Editable editable) {
 188                    filter(editable.toString());
 189                }
 190
 191                @Override
 192                public void beforeTextChanged(CharSequence s, int start, int count, int after) {}
 193
 194                @Override
 195                public void onTextChanged(CharSequence s, int start, int before, int count) {}
 196            };
 197    private MenuItem mMenuSearchView;
 198    private final ListItemAdapter.OnTagClickedListener mOnTagClickedListener =
 199            new ListItemAdapter.OnTagClickedListener() {
 200                @Override
 201                public void onTagClicked(String tag) {
 202                    if (mMenuSearchView != null) {
 203                        mMenuSearchView.expandActionView();
 204                        mSearchEditText.setText("");
 205                        mSearchEditText.append(tag);
 206                        filter(tag);
 207                    }
 208                }
 209            };
 210    private Pair<Integer, Intent> mPostponedActivityResult;
 211    private Toast mToast;
 212    private final UiCallback<Conversation> mAdhocConferenceCallback =
 213            new UiCallback<>() {
 214                @Override
 215                public void success(final Conversation conversation) {
 216                    runOnUiThread(
 217                            () -> {
 218                                hideToast();
 219                                switchToConversation(conversation);
 220                            });
 221                }
 222
 223                @Override
 224                public void error(final int errorCode, Conversation object) {
 225                    runOnUiThread(() -> replaceToast(getString(errorCode)));
 226                }
 227
 228                @Override
 229                public void userInputRequired(PendingIntent pi, Conversation object) {}
 230            };
 231    private ActivityStartConversationBinding binding;
 232    private final TextView.OnEditorActionListener mSearchDone =
 233            new TextView.OnEditorActionListener() {
 234                @Override
 235                public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
 236                    int pos = binding.startConversationViewPager.getCurrentItem();
 237                    if (pos == 0) {
 238                        if (contacts.size() == 1) {
 239                            openConversation(contacts.get(0));
 240                            return true;
 241                        } else if (contacts.isEmpty() && conferences.size() == 1) {
 242                            openConversationsForBookmark((Bookmark) conferences.get(0));
 243                            return true;
 244                        }
 245                    } else {
 246                        if (conferences.size() == 1) {
 247                            openConversationsForBookmark((Bookmark) conferences.get(0));
 248                            return true;
 249                        } else if (conferences.isEmpty() && contacts.size() == 1) {
 250                            openConversation(contacts.get(0));
 251                            return true;
 252                        }
 253                    }
 254                    SoftKeyboardUtils.hideSoftKeyboard(StartConversationActivity.this);
 255                    mListPagerAdapter.requestFocus(pos);
 256                    return true;
 257                }
 258            };
 259
 260    public static void populateAccountSpinner(
 261            final Context context,
 262            final List<String> accounts,
 263            final AutoCompleteTextView spinner) {
 264        if (accounts.isEmpty()) {
 265            ArrayAdapter<String> adapter =
 266                    new ArrayAdapter<>(
 267                            context,
 268                            R.layout.item_autocomplete,
 269                            Collections.singletonList(context.getString(R.string.no_accounts)));
 270            adapter.setDropDownViewResource(R.layout.item_autocomplete);
 271            spinner.setAdapter(adapter);
 272            spinner.setEnabled(false);
 273        } else {
 274            final ArrayAdapter<String> adapter =
 275                    new ArrayAdapter<>(context, R.layout.item_autocomplete, accounts);
 276            adapter.setDropDownViewResource(R.layout.item_autocomplete);
 277            spinner.setAdapter(adapter);
 278            spinner.setEnabled(true);
 279            spinner.setText(Iterables.getFirst(accounts, null), false);
 280        }
 281    }
 282
 283    public static void launch(Context context) {
 284        launch(context, null, null, 0);
 285    }
 286
 287    public static void launch(Context context, final Account account, final String q, final int goTo) {
 288        final Intent intent = new Intent(context, StartConversationActivity.class);
 289        if (account != null) {
 290            intent.putExtra(
 291                EXTRA_ACCOUNT_FILTER,
 292                account.getJid().asBareJid().toEscapedString());
 293        }
 294        if (q != null) {
 295            intent.putExtra(EXTRA_TEXT_FILTER, q);
 296        }
 297        intent.putExtra(EXTRA_GOTO, goTo);
 298        context.startActivity(intent);
 299    }
 300
 301    @Override
 302    public boolean colorCodeAccounts() {
 303        return mActivatedAccounts.size() > 1;
 304    }
 305
 306    private static Intent createLauncherIntent(Context context) {
 307        final Intent intent = new Intent(context, StartConversationActivity.class);
 308        intent.setAction(Intent.ACTION_MAIN);
 309        intent.addCategory(Intent.CATEGORY_LAUNCHER);
 310        return intent;
 311    }
 312
 313    private static boolean isViewIntent(final Intent i) {
 314        return i != null
 315                && (Intent.ACTION_VIEW.equals(i.getAction())
 316                        || Intent.ACTION_SENDTO.equals(i.getAction())
 317                        || i.hasExtra(EXTRA_INVITE_URI));
 318    }
 319
 320    protected void hideToast() {
 321        if (mToast != null) {
 322            mToast.cancel();
 323        }
 324    }
 325
 326    protected void replaceToast(String msg) {
 327        hideToast();
 328        mToast = Toast.makeText(this, msg, Toast.LENGTH_LONG);
 329        mToast.show();
 330    }
 331
 332    @Override
 333    public void onRosterUpdate(final XmppConnectionService.UpdateRosterReason reason, final Contact contact) {
 334        this.refreshUi();
 335    }
 336
 337    @Override
 338    public void onCreate(Bundle savedInstanceState) {
 339        super.onCreate(savedInstanceState);
 340        this.binding = DataBindingUtil.setContentView(this, R.layout.activity_start_conversation);
 341        Activities.setStatusAndNavigationBarColors(this, binding.getRoot());
 342        setSupportActionBar(binding.toolbar);
 343        configureActionBar(getSupportActionBar());
 344
 345        inflateFab(binding.speedDial, R.menu.start_conversation_fab_submenu);
 346        binding.tabLayout.setupWithViewPager(binding.startConversationViewPager);
 347        binding.startConversationViewPager.addOnPageChangeListener(
 348                new ViewPager.SimpleOnPageChangeListener() {
 349                    @Override
 350                    public void onPageSelected(int position) {
 351                        updateSearchViewHint();
 352                    }
 353                });
 354        mListPagerAdapter = new ListPagerAdapter(getSupportFragmentManager());
 355        binding.startConversationViewPager.setAdapter(mListPagerAdapter);
 356
 357        mConferenceAdapter = new ListItemAdapter(this, conferences);
 358        mContactsAdapter = new ListItemAdapter(this, contacts);
 359        mContactsAdapter.setOnTagClickedListener(this.mOnTagClickedListener);
 360
 361        final SharedPreferences preferences = getPreferences();
 362
 363        this.mHideOfflineContacts =
 364                QuickConversationsService.isConversations()
 365                        && preferences.getBoolean("hide_offline", false);
 366
 367        final boolean startSearching =
 368                preferences.getBoolean(
 369                        "start_searching", getResources().getBoolean(R.bool.start_searching));
 370
 371        final Intent intent;
 372        if (savedInstanceState == null) {
 373            intent = getIntent();
 374            final var search = intent.getStringExtra(EXTRA_TEXT_FILTER);
 375            if (search != null) {
 376                mInitialSearchValue.push(search);
 377            }
 378        } else {
 379            createdByViewIntent = savedInstanceState.getBoolean("created_by_view_intent", false);
 380            final String search = savedInstanceState.getString("search");
 381            if (search != null) {
 382                mInitialSearchValue.push(search);
 383            }
 384            intent = savedInstanceState.getParcelable("intent");
 385        }
 386
 387        if (intent.getBooleanExtra("init", false)) {
 388            pendingViewIntent.push(intent);
 389        } else if (intent.hasExtra(EXTRA_GOTO)) {
 390            pendingViewIntent.push(intent);
 391            setIntent(createLauncherIntent(this));
 392        } else if(intent.hasExtra(EXTRA_ACCOUNT_FILTER)) {
 393            pendingViewIntent.push(intent);
 394            setIntent(intent);
 395        } else if (isViewIntent(intent)) {
 396            pendingViewIntent.push(intent);
 397            createdByViewIntent = true;
 398            setIntent(createLauncherIntent(this));
 399        } else if (startSearching && mInitialSearchValue.peek() == null) {
 400            mInitialSearchValue.push("");
 401        }
 402        mRequestedContactsPermission.set(
 403                savedInstanceState != null
 404                        && savedInstanceState.getBoolean("requested_contacts_permission", false));
 405        mOpenedFab.set(
 406                savedInstanceState != null && savedInstanceState.getBoolean("opened_fab", false));
 407        binding.speedDial.setOnActionSelectedListener(
 408                actionItem -> {
 409                    final String searchString =
 410                            mSearchEditText != null ? mSearchEditText.getText().toString() : null;
 411                    final String prefilled;
 412                    if (isValidJid(searchString)) {
 413                        prefilled = Jid.ofEscaped(searchString).toEscapedString();
 414                    } else {
 415                        prefilled = null;
 416                    }
 417                    switch (actionItem.getId()) {
 418                        case R.id.discover_public_channels:
 419                            if (QuickConversationsService.isPlayStoreFlavor()) {
 420                                throw new IllegalStateException(
 421                                        "Channel discovery is not available on Google Play flavor");
 422                            } else {
 423                                startActivity(new Intent(this, ChannelDiscoveryActivity.class));
 424                            }
 425                            break;
 426                        case R.id.create_private_group_chat:
 427                            showCreatePrivateGroupChatDialog();
 428                            break;
 429                        case R.id.create_public_channel:
 430                            showPublicChannelDialog();
 431                            break;
 432                        case R.id.create_contact:
 433                            showCreateContactDialog(prefilled, null);
 434                            break;
 435                    }
 436                    return false;
 437                });
 438    }
 439
 440    private void inflateFab(final SpeedDialView speedDialView, final @MenuRes int menuRes) {
 441        speedDialView.clearActionItems();
 442        final PopupMenu popupMenu = new PopupMenu(this, new View(this));
 443        popupMenu.inflate(menuRes);
 444        final Menu menu = popupMenu.getMenu();
 445        for (int i = 0; i < menu.size(); i++) {
 446            final MenuItem menuItem = menu.getItem(i);
 447            if (QuickConversationsService.isPlayStoreFlavor()
 448                    && menuItem.getItemId() == R.id.discover_public_channels) {
 449                continue;
 450            }
 451            final SpeedDialActionItem actionItem =
 452                    new SpeedDialActionItem.Builder(menuItem.getItemId(), menuItem.getIcon())
 453                            .setLabel(
 454                                    menuItem.getTitle() != null
 455                                            ? menuItem.getTitle().toString()
 456                                            : null)
 457                            .setFabImageTintColor(
 458                                    MaterialColors.getColor(
 459                                            speedDialView,
 460                                            com.google.android.material.R.attr.colorOnSurface))
 461                            .setFabBackgroundColor(
 462                                    MaterialColors.getColor(
 463                                            speedDialView,
 464                                            com.google.android.material.R.attr
 465                                                    .colorSurfaceContainerHighest))
 466                            .create();
 467            speedDialView.addActionItem(actionItem);
 468        }
 469        speedDialView.setContentDescription(getString(R.string.add_contact_or_create_or_join_group_chat));
 470    }
 471
 472    public static boolean isValidJid(String input) {
 473        try {
 474            Jid jid = Jid.ofEscaped(input);
 475            return !jid.isDomainJid();
 476        } catch (IllegalArgumentException e) {
 477            return false;
 478        }
 479    }
 480
 481    @Override
 482    public void onSaveInstanceState(Bundle savedInstanceState) {
 483        Intent pendingIntent = pendingViewIntent.peek();
 484        savedInstanceState.putParcelable(
 485                "intent", pendingIntent != null ? pendingIntent : getIntent());
 486        savedInstanceState.putBoolean(
 487                "requested_contacts_permission", mRequestedContactsPermission.get());
 488        savedInstanceState.putBoolean("opened_fab", mOpenedFab.get());
 489        savedInstanceState.putBoolean("created_by_view_intent", createdByViewIntent);
 490        if (mMenuSearchView != null && mMenuSearchView.isActionViewExpanded()) {
 491            savedInstanceState.putString(
 492                    "search",
 493                    mSearchEditText != null ? mSearchEditText.getText().toString() : null);
 494        }
 495        super.onSaveInstanceState(savedInstanceState);
 496    }
 497
 498    @Override
 499    public void onStart() {
 500        super.onStart();
 501        mConferenceAdapter.refreshSettings();
 502        mContactsAdapter.refreshSettings();
 503        if (pendingViewIntent.peek() == null) {
 504            if (askForContactsPermissions()) {
 505                return;
 506            }
 507            requestNotificationPermissionIfNeeded();
 508        }
 509    }
 510
 511    private void requestNotificationPermissionIfNeeded() {
 512        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU
 513                && ActivityCompat.checkSelfPermission(this, Manifest.permission.POST_NOTIFICATIONS)
 514                        != PackageManager.PERMISSION_GRANTED) {
 515            requestPermissions(
 516                    new String[] {Manifest.permission.POST_NOTIFICATIONS},
 517                    REQUEST_POST_NOTIFICATION);
 518        }
 519    }
 520
 521    @Override
 522    public void onNewIntent(final Intent intent) {
 523        super.onNewIntent(intent);
 524        if (xmppConnectionServiceBound) {
 525            processViewIntent(intent);
 526        } else {
 527            pendingViewIntent.push(intent);
 528        }
 529        setIntent(createLauncherIntent(this));
 530    }
 531
 532    protected void openConversationForContact(int position) {
 533        openConversation(contacts.get(position));
 534    }
 535
 536    protected void openConversation(ListItem item) {
 537        if (item instanceof Contact) {
 538            openConversationForContact((Contact) item);
 539        } else {
 540            openConversationsForBookmark((Bookmark) item);
 541        }
 542    }
 543
 544    protected void openConversationForContact(Contact contact) {
 545        Conversation conversation =
 546                xmppConnectionService.findOrCreateConversation(
 547                        contact.getAccount(), contact.getJid(), false, true);
 548        SoftKeyboardUtils.hideSoftKeyboard(this);
 549        switchToConversation(conversation);
 550    }
 551
 552    protected void openConversationForBookmark(int position) {
 553        Bookmark bookmark = (Bookmark) conferences.get(position);
 554        openConversationsForBookmark(bookmark);
 555    }
 556
 557    protected void shareBookmarkUri() {
 558        shareAsChannel(this, contextItem.getJid().asBareJid().toEscapedString());
 559    }
 560
 561    protected void shareBookmarkUri(int position) {
 562        Bookmark bookmark = (Bookmark) conferences.get(position);
 563        shareAsChannel(this, bookmark.getJid().asBareJid().toEscapedString());
 564    }
 565
 566    public static void shareAsChannel(final Context context, final String address) {
 567        Intent shareIntent = new Intent();
 568        shareIntent.setAction(Intent.ACTION_SEND);
 569        shareIntent.putExtra(Intent.EXTRA_TEXT, "xmpp:" + Uri.encode(address, "@/+") + "?join");
 570        shareIntent.setType("text/plain");
 571        try {
 572            context.startActivity(
 573                    Intent.createChooser(shareIntent, context.getText(R.string.share_uri_with)));
 574        } catch (ActivityNotFoundException e) {
 575            Toast.makeText(context, R.string.no_application_to_share_uri, Toast.LENGTH_SHORT)
 576                    .show();
 577        }
 578    }
 579
 580    protected void openConversationsForBookmark(final Bookmark bookmark) {
 581        final Jid jid = bookmark.getFullJid();
 582        if (jid == null) {
 583            Toast.makeText(this, R.string.invalid_jid, Toast.LENGTH_SHORT).show();
 584            return;
 585        }
 586        final Conversation conversation =
 587                xmppConnectionService.findOrCreateConversation(
 588                        bookmark.getAccount(), jid, true, true, true);
 589        bookmark.setConversation(conversation);
 590        if (!bookmark.autojoin()) {
 591            bookmark.setAutojoin(true);
 592            xmppConnectionService.createBookmark(bookmark.getAccount(), bookmark);
 593        }
 594        SoftKeyboardUtils.hideSoftKeyboard(this);
 595        switchToConversation(conversation);
 596    }
 597
 598    protected void openDetailsForContact() {
 599        switchToContactDetails((Contact) contextItem);
 600    }
 601
 602    protected void showQrForContact() {
 603        showQrCode("xmpp:" + contextItem.getJid().asBareJid().toEscapedString());
 604    }
 605
 606    protected void toggleContactBlock() {
 607        BlockContactDialog.show(this, (Contact) contextItem);
 608    }
 609
 610    protected void deleteContact() {
 611        final Contact contact = (Contact) contextItem;
 612        final MaterialAlertDialogBuilder builder = new MaterialAlertDialogBuilder(this);
 613        builder.setNegativeButton(R.string.cancel, null);
 614        builder.setTitle(R.string.action_delete_contact);
 615        builder.setMessage(
 616                JidDialog.style(
 617                        this, R.string.remove_contact_text, contact.getJid().toEscapedString()));
 618        builder.setPositiveButton(
 619                R.string.delete,
 620                (dialog, which) -> {
 621                    xmppConnectionService.deleteContactOnServer(contact);
 622                    filter(mSearchEditText.getText().toString());
 623                });
 624        builder.create().show();
 625    }
 626
 627    protected void deleteConference() {
 628        final Bookmark bookmark = (Bookmark) contextItem;
 629        final var conversation = bookmark.getConversation();
 630        final boolean hasConversation = conversation != null;
 631        final MaterialAlertDialogBuilder builder = new MaterialAlertDialogBuilder(this);
 632        builder.setNegativeButton(R.string.cancel, null);
 633        builder.setTitle(R.string.delete_bookmark);
 634        if (hasConversation) {
 635            builder.setMessage(
 636                    JidDialog.style(
 637                            this,
 638                            R.string.remove_bookmark_and_close,
 639                            bookmark.getJid().toEscapedString()));
 640        } else {
 641            builder.setMessage(
 642                    JidDialog.style(
 643                            this, R.string.remove_bookmark, bookmark.getJid().toEscapedString()));
 644        }
 645        builder.setPositiveButton(
 646                hasConversation ? R.string.delete_and_close : R.string.delete,
 647                (dialog, which) -> {
 648                    bookmark.setConversation(null);
 649                    final Account account = bookmark.getAccount();
 650                    xmppConnectionService.deleteBookmark(account, bookmark);
 651                    if (conversation != null) {
 652                        xmppConnectionService.archiveConversation(conversation);
 653                    }
 654                    filter(mSearchEditText.getText().toString());
 655                });
 656        builder.create().show();
 657    }
 658
 659    @SuppressLint("InflateParams")
 660    protected void showCreateContactDialog(final String prefilledJid, final Invite invite) {
 661        FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
 662        Fragment prev = getSupportFragmentManager().findFragmentByTag(FRAGMENT_TAG_DIALOG);
 663        if (prev != null) {
 664            ft.remove(prev);
 665        }
 666        ft.addToBackStack(null);
 667        EnterJidDialog dialog = EnterJidDialog.newInstance(
 668                mActivatedAccounts,
 669                "Start Conversation",
 670                getString(R.string.message),
 671                "Call",
 672                prefilledJid,
 673                invite == null ? null : invite.account,
 674                invite == null || !invite.hasFingerprints(),
 675                true,
 676                EnterJidDialog.SanityCheck.ALLOW_MUC
 677        );
 678
 679        dialog.setOnEnterJidDialogPositiveListener((accountJid, contactJid, call, save) -> {
 680            if (!xmppConnectionServiceBound) {
 681                return false;
 682            }
 683
 684            final Account account = xmppConnectionService.findAccountByJid(accountJid);
 685            if (account == null) {
 686                return true;
 687            }
 688            final Contact contact = account.getRoster().getContact(contactJid);
 689
 690            if (invite != null && invite.getName() != null) {
 691                contact.setServerName(invite.getName());
 692            }
 693
 694            if (contact.isSelf() || contact.showInRoster()) {
 695                switchToConversationDoNotAppend(contact, invite == null ? null : invite.getBody(), call ? "call" : null);
 696                return true;
 697            }
 698
 699            xmppConnectionService.checkIfMuc(account, contactJid, (isMuc) -> {
 700                runOnUiThread(() -> {
 701                    if (isMuc) {
 702                        if (save) {
 703                            Bookmark bookmark = account.getBookmark(contactJid);
 704                            if (bookmark != null) {
 705                                openConversationsForBookmark(bookmark);
 706                            } else {
 707                                bookmark = new Bookmark(account, contactJid.asBareJid());
 708                                bookmark.setAutojoin(getBooleanPreference("autojoin", R.bool.autojoin));
 709                                final String nick = contactJid.getResource();
 710                                if (nick != null && !nick.isEmpty() && !nick.equals(MucOptions.defaultNick(account))) {
 711                                    bookmark.setNick(nick);
 712                                }
 713                                xmppConnectionService.createBookmark(account, bookmark);
 714                                final Conversation conversation = xmppConnectionService
 715                                        .findOrCreateConversation(account, contactJid, true, true, true);
 716                                bookmark.setConversation(conversation);
 717                                switchToConversationDoNotAppend(conversation, invite == null ? null : invite.getBody());
 718                            }
 719                        } else {
 720                            final Conversation conversation = xmppConnectionService.findOrCreateConversation(account, contactJid, true, true, true);
 721                            switchToConversationDoNotAppend(conversation, invite == null ? null : invite.getBody());
 722                        }
 723                    } else {
 724                        if (save) {
 725                            final String preAuth = invite == null ? null : invite.getParameter(XmppUri.PARAMETER_PRE_AUTH);
 726                            xmppConnectionService.createContact(contact, true, preAuth);
 727                            if (invite != null && invite.hasFingerprints()) {
 728                                xmppConnectionService.verifyFingerprints(contact, invite.getFingerprints());
 729                            }
 730                        }
 731                        switchToConversationDoNotAppend(contact, invite == null ? null : invite.getBody(), call ? "call" : null);
 732                    }
 733
 734                    try {
 735                        dialog.dismiss();
 736                    } catch (final IllegalStateException e) { }
 737                });
 738            });
 739
 740            return false;
 741        });
 742        dialog.show(ft, FRAGMENT_TAG_DIALOG);
 743    }
 744
 745    @SuppressLint("InflateParams")
 746    protected void showJoinConferenceDialog(final String prefilledJid, final Invite invite) {
 747        FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
 748        Fragment prev = getSupportFragmentManager().findFragmentByTag(FRAGMENT_TAG_DIALOG);
 749        if (prev != null) {
 750            ft.remove(prev);
 751        }
 752        ft.addToBackStack(null);
 753        JoinConferenceDialog joinConferenceFragment =
 754                JoinConferenceDialog.newInstance(prefilledJid, invite.getParameter("password"), mActivatedAccounts);
 755        joinConferenceFragment.show(ft, FRAGMENT_TAG_DIALOG);
 756    }
 757
 758    private void showCreatePrivateGroupChatDialog() {
 759        FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
 760        Fragment prev = getSupportFragmentManager().findFragmentByTag(FRAGMENT_TAG_DIALOG);
 761        if (prev != null) {
 762            ft.remove(prev);
 763        }
 764        ft.addToBackStack(null);
 765        CreatePrivateGroupChatDialog createConferenceFragment =
 766                CreatePrivateGroupChatDialog.newInstance(mActivatedAccounts);
 767        createConferenceFragment.show(ft, FRAGMENT_TAG_DIALOG);
 768    }
 769
 770    private void showPublicChannelDialog() {
 771        FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
 772        Fragment prev = getSupportFragmentManager().findFragmentByTag(FRAGMENT_TAG_DIALOG);
 773        if (prev != null) {
 774            ft.remove(prev);
 775        }
 776        ft.addToBackStack(null);
 777        CreatePublicChannelDialog dialog =
 778                CreatePublicChannelDialog.newInstance(mActivatedAccounts);
 779        dialog.show(ft, FRAGMENT_TAG_DIALOG);
 780    }
 781
 782    public static Account getSelectedAccount(
 783            final Context context, final AutoCompleteTextView spinner) {
 784        if (spinner == null || !spinner.isEnabled()) {
 785            return null;
 786        }
 787        if (context instanceof XmppActivity) {
 788            final Jid jid;
 789            try {
 790                jid = Jid.ofEscaped(spinner.getText().toString());
 791            } catch (final IllegalArgumentException e) {
 792                return null;
 793            }
 794            final XmppConnectionService service = ((XmppActivity) context).xmppConnectionService;
 795            if (service == null) {
 796                return null;
 797            }
 798            return service.findAccountByJid(jid);
 799        } else {
 800            return null;
 801        }
 802    }
 803
 804    protected void switchToConversation(Contact contact) {
 805        Conversation conversation =
 806                xmppConnectionService.findOrCreateConversation(
 807                        contact.getAccount(), contact.getJid(), false, true);
 808        switchToConversation(conversation);
 809    }
 810
 811    protected void switchToConversationDoNotAppend(Contact contact, String body) {
 812        switchToConversationDoNotAppend(contact, body, null);
 813    }
 814
 815    protected void switchToConversationDoNotAppend(Contact contact, String body, String postInit) {
 816        Conversation conversation =
 817                xmppConnectionService.findOrCreateConversation(
 818                        contact.getAccount(), contact.getJid(), false, true);
 819        switchToConversation(conversation, body, false, null, false, true, postInit);
 820    }
 821
 822    @Override
 823    public void invalidateOptionsMenu() {
 824        boolean isExpanded = mMenuSearchView != null && mMenuSearchView.isActionViewExpanded();
 825        String text = mSearchEditText != null ? mSearchEditText.getText().toString() : "";
 826        if (isExpanded) {
 827            mInitialSearchValue.push(text);
 828            oneShotKeyboardSuppress.set(true);
 829        }
 830        super.invalidateOptionsMenu();
 831    }
 832
 833    private void updateSearchViewHint() {
 834        if (binding == null || mSearchEditText == null) {
 835            return;
 836        }
 837        if (binding.startConversationViewPager.getCurrentItem() == 0) {
 838            mSearchEditText.setHint("Search chats");
 839            mSearchEditText.setContentDescription("Search chats");
 840        } else {
 841            mSearchEditText.setHint(R.string.search_group_chats);
 842            mSearchEditText.setContentDescription(getString(R.string.search_group_chats));
 843        }
 844    }
 845
 846    @Override
 847    public boolean onCreateOptionsMenu(final Menu menu) {
 848        getMenuInflater().inflate(R.menu.start_conversation, menu);
 849        AccountUtils.showHideMenuItems(menu);
 850        final MenuItem menuHideOffline = menu.findItem(R.id.action_hide_offline);
 851        final MenuItem qrCodeScanMenuItem = menu.findItem(R.id.action_scan_qr_code);
 852        final MenuItem privacyPolicyMenuItem = menu.findItem(R.id.action_privacy_policy);
 853        privacyPolicyMenuItem.setVisible(
 854                BuildConfig.PRIVACY_POLICY != null
 855                        && QuickConversationsService.isPlayStoreFlavor());
 856        qrCodeScanMenuItem.setVisible(isCameraFeatureAvailable());
 857        if (QuickConversationsService.isQuicksy()) {
 858            menuHideOffline.setVisible(false);
 859        } else {
 860            menuHideOffline.setVisible(true);
 861            menuHideOffline.setChecked(this.mHideOfflineContacts);
 862        }
 863        mMenuSearchView = menu.findItem(R.id.action_search);
 864        mMenuSearchView.setOnActionExpandListener(mOnActionExpandListener);
 865        View mSearchView = mMenuSearchView.getActionView();
 866        mSearchEditText = mSearchView.findViewById(R.id.search_field);
 867        mSearchEditText.addTextChangedListener(mSearchTextWatcher);
 868        mSearchEditText.setOnEditorActionListener(mSearchDone);
 869
 870        SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(this);
 871        boolean showDynamicTags = preferences.getBoolean("show_dynamic_tags", getResources().getBoolean(R.bool.show_dynamic_tags));
 872        if (showDynamicTags) {
 873            RecyclerView tags = mSearchView.findViewById(R.id.tags);
 874            androidx.recyclerview.widget.DividerItemDecoration spacer = new androidx.recyclerview.widget.DividerItemDecoration(tags.getContext(), LinearLayoutManager.HORIZONTAL);
 875            spacer.setDrawable(getResources().getDrawable(R.drawable.horizontal_space));
 876            tags.addItemDecoration(spacer);
 877            tags.setLayoutManager(new LinearLayoutManager(this, LinearLayoutManager.HORIZONTAL, false));
 878            tags.setAdapter(mTagsAdapter);
 879        }
 880
 881        String initialSearchValue = mInitialSearchValue.pop();
 882        if (initialSearchValue != null) {
 883            mMenuSearchView.expandActionView();
 884            try {
 885                mSearchEditText.append(initialSearchValue);
 886            } catch (final StringIndexOutOfBoundsException e) {
 887                mSearchEditText.setText(initialSearchValue);
 888            }
 889            filter(initialSearchValue);
 890        }
 891        updateSearchViewHint();
 892        return super.onCreateOptionsMenu(menu);
 893    }
 894
 895    @Override
 896    public boolean onOptionsItemSelected(MenuItem item) {
 897        if (MenuDoubleTabUtil.shouldIgnoreTap()) {
 898            return false;
 899        }
 900        switch (item.getItemId()) {
 901            case android.R.id.home:
 902                navigateBack();
 903                return true;
 904            case R.id.action_scan_qr_code:
 905                UriHandlerActivity.scan(this);
 906                return true;
 907            case R.id.action_hide_offline:
 908                mHideOfflineContacts = !item.isChecked();
 909                getPreferences().edit().putBoolean("hide_offline", mHideOfflineContacts).apply();
 910                if (mSearchEditText != null) {
 911                    filter(mSearchEditText.getText().toString());
 912                }
 913                invalidateOptionsMenu();
 914        }
 915        return super.onOptionsItemSelected(item);
 916    }
 917
 918    @Override
 919    public boolean onKeyUp(int keyCode, KeyEvent event) {
 920        if (keyCode == KeyEvent.KEYCODE_SEARCH && !event.isLongPress()) {
 921            openSearch();
 922            return true;
 923        }
 924        int c = event.getUnicodeChar();
 925        if (c > 32) {
 926            if (mSearchEditText != null && !mSearchEditText.isFocused()) {
 927                openSearch();
 928                mSearchEditText.append(Character.toString((char) c));
 929                return true;
 930            }
 931        }
 932        return super.onKeyUp(keyCode, event);
 933    }
 934
 935    private void openSearch() {
 936        if (mMenuSearchView != null) {
 937            mMenuSearchView.expandActionView();
 938        }
 939    }
 940
 941    @Override
 942    public void onActivityResult(int requestCode, int resultCode, Intent intent) {
 943        if (resultCode == RESULT_OK) {
 944            if (xmppConnectionServiceBound) {
 945                this.mPostponedActivityResult = null;
 946                if (requestCode == REQUEST_CREATE_CONFERENCE) {
 947                    Account account = extractAccount(intent);
 948                    final String name =
 949                            intent.getStringExtra(ChooseContactActivity.EXTRA_GROUP_CHAT_NAME);
 950                    final List<Jid> jids = ChooseContactActivity.extractJabberIds(intent);
 951                    if (account != null && jids.size() > 0) {
 952                        // This hardcodes cheogram.com and is in general a terrible hack
 953                        // Ideally this would be based around XEP-0033 but until we think of a good fallback behaviour we keep using this gross commas thing
 954                        if (jids.stream().allMatch(jid -> jid.getDomain().toString().equals("cheogram.com"))) {
 955                            new AlertDialog.Builder(this)
 956                                .setMessage("You appear to be creating a group with only SMS contacts. Would you like to create a channel or an MMS group text?")
 957                                .setNeutralButton("Channel", (d, w) -> {
 958                                    if (xmppConnectionService.createAdhocConference(account, name, jids, mAdhocConferenceCallback)) {
 959                                        mToast = Toast.makeText(this, R.string.creating_conference, Toast.LENGTH_LONG);
 960                                        mToast.show();
 961                                    }
 962                                }).setPositiveButton("Group Text", (d, w) -> {
 963                                    Jid groupJid = Jid.ofLocalAndDomain(jids.stream().map(jid -> jid.getLocal()).sorted().collect(Collectors.joining(",")), "cheogram.com");
 964                                    Contact group = account.getRoster().getContact(groupJid);
 965                                    if (name != null && !name.equals("")) group.setServerName(name);
 966                                    xmppConnectionService.createContact(group, true);
 967                                    switchToConversation(group);
 968                                }).create().show();
 969                        } else {
 970                            if (xmppConnectionService.createAdhocConference(account, name, jids, mAdhocConferenceCallback)) {
 971                                mToast = Toast.makeText(this, R.string.creating_conference, Toast.LENGTH_LONG);
 972                                mToast.show();
 973                            }
 974                        }
 975                    }
 976                }
 977            } else {
 978                this.mPostponedActivityResult = new Pair<>(requestCode, intent);
 979            }
 980        }
 981        super.onActivityResult(requestCode, requestCode, intent);
 982    }
 983
 984    private boolean askForContactsPermissions() {
 985        if (!QuickConversationsService.isContactListIntegration(this)) {
 986            return false;
 987        }
 988        if (checkSelfPermission(Manifest.permission.READ_CONTACTS)
 989                == PackageManager.PERMISSION_GRANTED) {
 990            return false;
 991        }
 992        if (mRequestedContactsPermission.compareAndSet(false, true)) {
 993            final ImmutableList.Builder<String> permissionBuilder = new ImmutableList.Builder<>();
 994            permissionBuilder.add(Manifest.permission.READ_CONTACTS);
 995            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
 996                permissionBuilder.add(Manifest.permission.POST_NOTIFICATIONS);
 997            }
 998            final String[] permission = permissionBuilder.build().toArray(new String[0]);
 999            final String consent =
1000                    PreferenceManager.getDefaultSharedPreferences(getApplicationContext())
1001                            .getString(PREF_KEY_CONTACT_INTEGRATION_CONSENT, null);
1002            final boolean requiresConsent =
1003                    (QuickConversationsService.isQuicksy()
1004                                    || QuickConversationsService.isPlayStoreFlavor())
1005                            && !"agreed".equals(consent);
1006            if (requiresConsent && "declined".equals(consent)) {
1007                Log.d(
1008                        Config.LOGTAG,
1009                        "not asking for contacts permission because consent has been declined");
1010                return false;
1011            }
1012            if (requiresConsent
1013                    || shouldShowRequestPermissionRationale(Manifest.permission.READ_CONTACTS)) {
1014                final MaterialAlertDialogBuilder builder = new MaterialAlertDialogBuilder(this);
1015                final AtomicBoolean requestPermission = new AtomicBoolean(false);
1016                if (QuickConversationsService.isQuicksy()) {
1017                    builder.setTitle(R.string.quicksy_wants_your_consent);
1018                    builder.setMessage(
1019                            Html.fromHtml(getString(R.string.sync_with_contacts_quicksy_static)));
1020                } else {
1021                    builder.setTitle(R.string.sync_with_contacts);
1022                    builder.setMessage(
1023                            getString(
1024                                    R.string.sync_with_contacts_long,
1025                                    getString(R.string.app_name)));
1026                }
1027                @StringRes int confirmButtonText;
1028                if (requiresConsent) {
1029                    confirmButtonText = R.string.agree_and_continue;
1030                } else {
1031                    confirmButtonText = R.string.next;
1032                }
1033                builder.setPositiveButton(
1034                        confirmButtonText,
1035                        (dialog, which) -> {
1036                            if (requiresConsent) {
1037                                PreferenceManager.getDefaultSharedPreferences(
1038                                                getApplicationContext())
1039                                        .edit()
1040                                        .putString(PREF_KEY_CONTACT_INTEGRATION_CONSENT, "agreed")
1041                                        .apply();
1042                            }
1043                            if (requestPermission.compareAndSet(false, true)) {
1044                                requestPermissions(permission, REQUEST_SYNC_CONTACTS);
1045                            }
1046                        });
1047                if (requiresConsent) {
1048                    builder.setNegativeButton(
1049                            R.string.decline,
1050                            (dialog, which) ->
1051                                    PreferenceManager.getDefaultSharedPreferences(
1052                                                    getApplicationContext())
1053                                            .edit()
1054                                            .putString(
1055                                                    PREF_KEY_CONTACT_INTEGRATION_CONSENT,
1056                                                    "declined")
1057                                            .apply());
1058                } else {
1059                    builder.setOnDismissListener(
1060                            dialog -> {
1061                                if (requestPermission.compareAndSet(false, true)) {
1062                                    requestPermissions(permission, REQUEST_SYNC_CONTACTS);
1063                                }
1064                            });
1065                }
1066                builder.setCancelable(requiresConsent);
1067                final AlertDialog dialog = builder.create();
1068                dialog.setCanceledOnTouchOutside(requiresConsent);
1069                dialog.setOnShowListener(
1070                        dialogInterface -> {
1071                            final TextView tv = dialog.findViewById(android.R.id.message);
1072                            if (tv != null) {
1073                                tv.setMovementMethod(LinkMovementMethod.getInstance());
1074                            }
1075                        });
1076                dialog.show();
1077            } else {
1078                requestPermissions(permission, REQUEST_SYNC_CONTACTS);
1079            }
1080        }
1081        return true;
1082    }
1083
1084    @Override
1085    public void onRequestPermissionsResult(
1086            int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
1087        super.onRequestPermissionsResult(requestCode, permissions, grantResults);
1088        if (grantResults.length > 0)
1089            if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {
1090                ScanActivity.onRequestPermissionResult(this, requestCode, grantResults);
1091                if (requestCode == REQUEST_SYNC_CONTACTS && xmppConnectionServiceBound) {
1092                    if (QuickConversationsService.isQuicksy()) {
1093                        setRefreshing(true);
1094                    }
1095                    xmppConnectionService.loadPhoneContacts();
1096                    xmppConnectionService.startContactObserver();
1097                }
1098            }
1099    }
1100
1101    private void configureHomeButton() {
1102        final ActionBar actionBar = getSupportActionBar();
1103        if (actionBar == null) {
1104            return;
1105        }
1106        boolean openConversations =
1107                !createdByViewIntent && !xmppConnectionService.isConversationsListEmpty(null);
1108        actionBar.setDisplayHomeAsUpEnabled(openConversations);
1109        actionBar.setDisplayHomeAsUpEnabled(openConversations);
1110    }
1111
1112    @Override
1113    protected void onBackendConnected() {
1114        if (QuickConversationsService.isContactListIntegration(this)
1115                && (Build.VERSION.SDK_INT < Build.VERSION_CODES.M
1116                        || checkSelfPermission(Manifest.permission.READ_CONTACTS)
1117                                == PackageManager.PERMISSION_GRANTED)) {
1118            xmppConnectionService.getQuickConversationsService().considerSyncBackground(false);
1119        }
1120        if (mPostponedActivityResult != null) {
1121            onActivityResult(
1122                    mPostponedActivityResult.first, RESULT_OK, mPostponedActivityResult.second);
1123            this.mPostponedActivityResult = null;
1124        }
1125        var intent = pendingViewIntent.pop();
1126        if (intent == null) intent = getIntent();
1127        this.mActivatedAccounts.clear();
1128        final String accountFilterJid = intent == null ? null : intent.getStringExtra(EXTRA_ACCOUNT_FILTER);
1129        if (accountFilterJid == null) {
1130            this.mActivatedAccounts.addAll(AccountUtils.getEnabledAccounts(xmppConnectionService));
1131        } else {
1132            this.mActivatedAccounts.add(accountFilterJid);
1133        }
1134        configureHomeButton();
1135
1136        final var goTo = intent.getIntExtra(EXTRA_GOTO, 0);
1137        switch (goTo) {
1138            case R.id.discover_public_channels:
1139                startActivity(new Intent(this, ChannelDiscoveryActivity.class));
1140                break;
1141            case R.id.create_private_group_chat:
1142                showCreatePrivateGroupChatDialog();
1143                break;
1144            case R.id.create_public_channel:
1145                showPublicChannelDialog();
1146                break;
1147            case R.id.create_contact:
1148                showCreateContactDialog(null, null);
1149                break;
1150        }
1151
1152        final boolean onboardingCancel = xmppConnectionService.getPreferences().getString("onboarding_action", "").equals("cancel");
1153        if (onboardingCancel) xmppConnectionService.getPreferences().edit().remove("onboarding_action").commit();
1154
1155        if ((xmppConnectionService.isOnboarding() || (intent != null && intent.getBooleanExtra("init", false))) && !onboardingCancel && !xmppConnectionService.getAccounts().isEmpty()) {
1156            Account selectedAccount = xmppConnectionService.getAccounts().get(0);
1157            final String accountJid = intent == null ? null : intent.getStringExtra(EXTRA_ACCOUNT);
1158            intent = null;
1159            boolean hasPstnOrSms = false;
1160            Account onboardingAccount = null;
1161            outer:
1162            for (Account account : xmppConnectionService.getAccounts()) {
1163                if (onboardingAccount == null && account.getJid().getDomain().equals(Config.ONBOARDING_DOMAIN)) onboardingAccount = account;
1164
1165                if (accountJid != null) {
1166                    if(account.getJid().asBareJid().toEscapedString().equals(accountJid)) {
1167                        selectedAccount = account;
1168                    } else {
1169                        continue;
1170                    }
1171                }
1172
1173                for (Contact contact : account.getRoster().getContacts()) {
1174                    if (contact.getPresences().anyIdentity("gateway", "pstn")) {
1175                        hasPstnOrSms = true;
1176                        break outer;
1177                    }
1178                    if (contact.getPresences().anyIdentity("gateway", "sms")) {
1179                        hasPstnOrSms = true;
1180                        break outer;
1181                    }
1182                }
1183            }
1184
1185            if (!hasPstnOrSms) {
1186                if (onboardingAccount != null && !selectedAccount.getJid().equals(onboardingAccount.getJid())) {
1187                    FinishOnboarding.finish(xmppConnectionService, this, onboardingAccount, selectedAccount);
1188                } else {
1189                    startCommand(selectedAccount, Jid.of("cheogram.com/CHEOGRAM%jabber:iq:register"), "jabber:iq:register");
1190                    finish();
1191                    return;
1192                }
1193            }
1194        }
1195
1196        if (intent != null && processViewIntent(intent)) {
1197            filter(null);
1198        } else {
1199            if (mSearchEditText != null) {
1200                filter(mSearchEditText.getText().toString());
1201            } else {
1202                filter(null);
1203            }
1204        }
1205        Fragment fragment = getSupportFragmentManager().findFragmentByTag(FRAGMENT_TAG_DIALOG);
1206        if (fragment instanceof OnBackendConnected) {
1207            Log.d(Config.LOGTAG, "calling on backend connected on dialog");
1208            ((OnBackendConnected) fragment).onBackendConnected();
1209        }
1210        if (QuickConversationsService.isQuicksy()) {
1211            setRefreshing(xmppConnectionService.getQuickConversationsService().isSynchronizing());
1212        }
1213        if (QuickConversationsService.isConversations()
1214                && AccountUtils.hasEnabledAccounts(xmppConnectionService)
1215                && this.contacts.size() == 0
1216                && this.conferences.size() == 0
1217                && mOpenedFab.compareAndSet(false, true)) {
1218            binding.speedDial.open();
1219        }
1220    }
1221
1222    protected boolean processViewIntent(@NonNull Intent intent) {
1223        final String inviteUri = intent.getStringExtra(EXTRA_INVITE_URI);
1224        if (inviteUri != null) {
1225            final Invite invite = new Invite(inviteUri);
1226            invite.account = intent.getStringExtra(EXTRA_ACCOUNT);
1227            if (invite.isValidJid()) {
1228                return invite.invite();
1229            }
1230        }
1231        final String action = intent.getAction();
1232        if (action == null) {
1233            return false;
1234        }
1235        switch (action) {
1236            case Intent.ACTION_SENDTO:
1237            case Intent.ACTION_VIEW:
1238                Uri uri = intent.getData();
1239                if (uri != null) {
1240                    Invite invite =
1241                            new Invite(intent.getData(), intent.getBooleanExtra("scanned", false));
1242                    invite.account = intent.getStringExtra(EXTRA_ACCOUNT);
1243                    invite.forceDialog = intent.getBooleanExtra("force_dialog", false);
1244                    return invite.invite();
1245                } else {
1246                    return false;
1247                }
1248        }
1249        return false;
1250    }
1251
1252    private boolean handleJid(Invite invite) {
1253        List<Contact> contacts =
1254                xmppConnectionService.findContacts(invite.getJid(), invite.account);
1255        final Conversation muc = xmppConnectionService.findFirstMuc(invite.getJid(), invite.account);
1256        if (invite.isAction(XmppUri.ACTION_JOIN) || (contacts.isEmpty() && muc != null)) {
1257            if (muc != null && !invite.forceDialog) {
1258                if (invite.getParameter("password") != null) {
1259                    xmppConnectionService.providePasswordForMuc(muc, invite.getParameter("password"));
1260                }
1261                switchToConversationDoNotAppend(muc, invite.getBody());
1262                return true;
1263            } else {
1264                showJoinConferenceDialog(invite.getJid().asBareJid().toEscapedString(), invite);
1265                return false;
1266            }
1267        } else if (contacts.size() == 0) {
1268            showCreateContactDialog(invite.getJid().toEscapedString(), invite);
1269            return false;
1270        } else if (contacts.size() == 1) {
1271            Contact contact = contacts.get(0);
1272            if (!invite.isSafeSource() && invite.hasFingerprints()) {
1273                displayVerificationWarningDialog(contact, invite);
1274            } else {
1275                if (invite.hasFingerprints()) {
1276                    if (xmppConnectionService.verifyFingerprints(
1277                            contact, invite.getFingerprints())) {
1278                        Toast.makeText(this, R.string.verified_fingerprints, Toast.LENGTH_SHORT)
1279                                .show();
1280                    }
1281                }
1282                if (invite.account != null) {
1283                    xmppConnectionService.getShortcutService().report(contact);
1284                }
1285                switchToConversationDoNotAppend(contact, invite.getBody());
1286            }
1287            return true;
1288        } else {
1289            if (mMenuSearchView != null) {
1290                mMenuSearchView.expandActionView();
1291                mSearchEditText.setText("");
1292                mSearchEditText.append(invite.getJid().toEscapedString());
1293                filter(invite.getJid().toEscapedString());
1294            } else {
1295                mInitialSearchValue.push(invite.getJid().toEscapedString());
1296            }
1297            return true;
1298        }
1299    }
1300
1301    private void displayVerificationWarningDialog(final Contact contact, final Invite invite) {
1302        final MaterialAlertDialogBuilder builder = new MaterialAlertDialogBuilder(this);
1303        builder.setTitle(R.string.verify_omemo_keys);
1304        View view = getLayoutInflater().inflate(R.layout.dialog_verify_fingerprints, null);
1305        final CheckBox isTrustedSource = view.findViewById(R.id.trusted_source);
1306        TextView warning = view.findViewById(R.id.warning);
1307        warning.setText(
1308                JidDialog.style(
1309                        this,
1310                        R.string.verifying_omemo_keys_trusted_source,
1311                        contact.getJid().asBareJid().toEscapedString(),
1312                        contact.getDisplayName()));
1313        builder.setView(view);
1314        builder.setPositiveButton(
1315                R.string.confirm,
1316                (dialog, which) -> {
1317                    if (isTrustedSource.isChecked() && invite.hasFingerprints()) {
1318                        xmppConnectionService.verifyFingerprints(contact, invite.getFingerprints());
1319                    }
1320                    switchToConversationDoNotAppend(contact, invite.getBody());
1321                });
1322        builder.setNegativeButton(
1323                R.string.cancel, (dialog, which) -> StartConversationActivity.this.finish());
1324        AlertDialog dialog = builder.create();
1325        dialog.setCanceledOnTouchOutside(false);
1326        dialog.setOnCancelListener(dialog1 -> StartConversationActivity.this.finish());
1327        dialog.show();
1328    }
1329
1330    protected void filter(String needle) {
1331        if (xmppConnectionServiceBound) {
1332            this.filterContacts(needle);
1333            this.filterConferences(needle);
1334        }
1335    }
1336
1337    protected void filterContacts(String needle) {
1338        this.contacts.clear();
1339        ArrayList<ListItem.Tag> tags = new ArrayList<>();
1340        final var accounts = new ArrayList<Account>();
1341        for (final var account : xmppConnectionService.getAccounts()) {
1342            if (mActivatedAccounts.contains(account.getJid().asBareJid().toEscapedString())) accounts.add(account);
1343        }
1344        boolean foundSopranica = false;
1345        for (final Account account : accounts) {
1346            for (Contact contact : account.getRoster().getContacts()) {
1347                Presence.Status s = contact.getShownStatus();
1348                if (contact.showInContactList()
1349                    && contact.match(this, needle)
1350                    && (!this.mHideOfflineContacts
1351                        || (needle != null && !needle.trim().isEmpty())
1352                        || s.compareTo(Presence.Status.OFFLINE) < 0)) {
1353                    this.contacts.add(contact);
1354                    tags.addAll(contact.getTags(this));
1355                }
1356            }
1357
1358            final Contact self = new Contact(account.getSelfContact());
1359            self.setSystemName("Note to Self");
1360            if (self.match(this, needle)) {
1361                this.contacts.add(self);
1362            }
1363
1364            for (Bookmark bookmark : account.getBookmarks()) {
1365                if (bookmark.match(this, needle)) {
1366                    if (bookmark.getJid().toString().equals("discuss@conference.soprani.ca")) {
1367                        foundSopranica = true;
1368                    }
1369                    this.contacts.add(bookmark);
1370                    tags.addAll(bookmark.getTags(this));
1371                }
1372            }
1373        }
1374
1375        Comparator<Map.Entry<ListItem.Tag,Integer>> sortTagsBy = Map.Entry.comparingByValue(Comparator.reverseOrder());
1376        sortTagsBy = sortTagsBy.thenComparing(entry -> entry.getKey().getName());
1377
1378        mTagsAdapter.setTags(
1379            tags.stream()
1380            .collect(Collectors.toMap((x) -> x, (t) -> 1, (c1, c2) -> c1 + c2))
1381            .entrySet().stream()
1382            .sorted(sortTagsBy)
1383            .map(e -> e.getKey()).collect(Collectors.toList())
1384        );
1385        Collections.sort(this.contacts);
1386
1387        final boolean sopranicaDeleted = getPreferences().getBoolean("cheogram_sopranica_bookmark_deleted", false);
1388
1389        if (!sopranicaDeleted && !foundSopranica && (needle == null || needle.equals("")) && xmppConnectionService.getAccounts().size() > 0) {
1390            Bookmark bookmark = new Bookmark(
1391                xmppConnectionService.getAccounts().get(0),
1392                Jid.of("discuss@conference.soprani.ca")
1393            );
1394            bookmark.setBookmarkName("Soprani.ca / Cheogram Discussion");
1395            bookmark.addChild("group").setContent("support");
1396            this.contacts.add(0, bookmark);
1397        }
1398
1399        mContactsAdapter.notifyDataSetChanged();
1400    }
1401
1402    protected void filterConferences(String needle) {
1403        this.conferences.clear();
1404        for (final Account account : xmppConnectionService.getAccounts()) {
1405            if (account.isEnabled()) {
1406                for (final Bookmark bookmark : account.getBookmarks()) {
1407                    if (bookmark.match(this, needle)) {
1408                        this.conferences.add(bookmark);
1409                    }
1410                }
1411            }
1412        }
1413        Collections.sort(this.conferences);
1414        mConferenceAdapter.notifyDataSetChanged();
1415    }
1416
1417    @Override
1418    public void OnUpdateBlocklist(final Status status) {
1419        refreshUi();
1420    }
1421
1422    @Override
1423    protected void refreshUiReal() {
1424        if (mSearchEditText != null) {
1425            filter(mSearchEditText.getText().toString());
1426        }
1427        configureHomeButton();
1428        if (QuickConversationsService.isQuicksy()) {
1429            setRefreshing(xmppConnectionService.getQuickConversationsService().isSynchronizing());
1430        }
1431    }
1432
1433    @Override
1434    public void onBackPressed() {
1435        if (binding.speedDial.isOpen()) {
1436            binding.speedDial.close();
1437            return;
1438        }
1439        navigateBack();
1440    }
1441
1442    private void navigateBack() {
1443        if (!createdByViewIntent
1444                && xmppConnectionService != null
1445                && !xmppConnectionService.isConversationsListEmpty(null)) {
1446            Intent intent = new Intent(this, ConversationsActivity.class);
1447            intent.addFlags(Intent.FLAG_ACTIVITY_NO_ANIMATION);
1448            startActivity(intent);
1449        }
1450        finish();
1451    }
1452
1453    @Override
1454    public void onCreateDialogPositiveClick(AutoCompleteTextView spinner, String name) {
1455        if (!xmppConnectionServiceBound) {
1456            return;
1457        }
1458        final Account account = getSelectedAccount(this, spinner);
1459        if (account == null) {
1460            return;
1461        }
1462        Intent intent = new Intent(getApplicationContext(), ChooseContactActivity.class);
1463        intent.putExtra(ChooseContactActivity.EXTRA_SHOW_ENTER_JID, false);
1464        intent.putExtra(ChooseContactActivity.EXTRA_SELECT_MULTIPLE, true);
1465        intent.putExtra(ChooseContactActivity.EXTRA_GROUP_CHAT_NAME, name.trim());
1466        intent.putExtra(
1467                ChooseContactActivity.EXTRA_ACCOUNT,
1468                account.getJid().asBareJid().toEscapedString());
1469        intent.putExtra(ChooseContactActivity.EXTRA_TITLE_RES_ID, R.string.choose_participants);
1470        startActivityForResult(intent, REQUEST_CREATE_CONFERENCE);
1471    }
1472
1473    @Override
1474    public void onJoinDialogPositiveClick(
1475            final Dialog dialog,
1476            final AutoCompleteTextView spinner,
1477            final TextInputLayout layout,
1478            final AutoCompleteTextView jid,
1479            final String password) {
1480        if (!xmppConnectionServiceBound) {
1481            return;
1482        }
1483        final Account account = getSelectedAccount(this, spinner);
1484        if (account == null) {
1485            return;
1486        }
1487        final String input = jid.getText().toString().trim();
1488        Jid conferenceJid;
1489        try {
1490            conferenceJid = Jid.ofEscaped(input);
1491        } catch (final IllegalArgumentException e) {
1492            final XmppUri xmppUri = new XmppUri(input);
1493            if (xmppUri.isValidJid() && xmppUri.isAction(XmppUri.ACTION_JOIN)) {
1494                final Editable editable = jid.getEditableText();
1495                editable.clear();
1496                editable.append(xmppUri.getJid().toEscapedString());
1497                conferenceJid = xmppUri.getJid();
1498            } else {
1499                layout.setError(getString(R.string.invalid_jid));
1500                return;
1501            }
1502        }
1503        final var existingBookmark = account.getBookmark(conferenceJid);
1504        if (existingBookmark != null) {
1505            openConversationsForBookmark(existingBookmark);
1506        } else {
1507            final var bookmark = new Bookmark(account, conferenceJid.asBareJid());
1508            bookmark.setAutojoin(true);
1509            final String nick = conferenceJid.getResource();
1510            if (nick != null && !nick.isEmpty() && !nick.equals(MucOptions.defaultNick(account))) {
1511                bookmark.setNick(nick);
1512            }
1513            xmppConnectionService.createBookmark(account, bookmark);
1514            final Conversation conversation =
1515                    xmppConnectionService.findOrCreateConversation(
1516                            account, conferenceJid, true, true, null, true, password);
1517            bookmark.setConversation(conversation);
1518            switchToConversation(conversation);
1519        }
1520        dialog.dismiss();
1521    }
1522
1523    @Override
1524    public void onConversationUpdate() {
1525        refreshUi();
1526    }
1527
1528    @Override
1529    public void onRefresh() {
1530        Log.d(Config.LOGTAG, "user requested to refresh");
1531        if (QuickConversationsService.isQuicksy() && xmppConnectionService != null) {
1532            xmppConnectionService.getQuickConversationsService().considerSyncBackground(true);
1533        }
1534    }
1535
1536    private void setRefreshing(boolean refreshing) {
1537        MyListFragment fragment = (MyListFragment) mListPagerAdapter.getItem(0);
1538        if (fragment != null) {
1539            fragment.setRefreshing(refreshing);
1540        }
1541    }
1542
1543    @Override
1544    public void onCreatePublicChannel(Account account, String name, Jid address) {
1545        mToast = Toast.makeText(this, R.string.creating_channel, Toast.LENGTH_LONG);
1546        mToast.show();
1547        xmppConnectionService.createPublicChannel(
1548                account,
1549                name,
1550                address,
1551                new UiCallback<Conversation>() {
1552                    @Override
1553                    public void success(Conversation conversation) {
1554                        runOnUiThread(
1555                                () -> {
1556                                    hideToast();
1557                                    switchToConversation(conversation);
1558                                });
1559                    }
1560
1561                    @Override
1562                    public void error(int errorCode, Conversation conversation) {
1563                        runOnUiThread(
1564                                () -> {
1565                                    replaceToast(getString(errorCode));
1566                                    switchToConversation(conversation);
1567                                });
1568                    }
1569
1570                    @Override
1571                    public void userInputRequired(PendingIntent pi, Conversation object) {}
1572                });
1573    }
1574
1575    public static class MyListFragment extends SwipeRefreshListFragment {
1576        private AdapterView.OnItemClickListener mOnItemClickListener;
1577        private int mResContextMenu;
1578
1579        public void setContextMenu(final int res) {
1580            this.mResContextMenu = res;
1581        }
1582
1583        @Override
1584        public void onListItemClick(
1585                final ListView l, final View v, final int position, final long id) {
1586            if (mOnItemClickListener != null) {
1587                mOnItemClickListener.onItemClick(l, v, position, id);
1588            }
1589        }
1590
1591        public void setOnListItemClickListener(AdapterView.OnItemClickListener l) {
1592            this.mOnItemClickListener = l;
1593        }
1594
1595        @Override
1596        public void onViewCreated(@NonNull final View view, final Bundle savedInstanceState) {
1597            super.onViewCreated(view, savedInstanceState);
1598            registerForContextMenu(getListView());
1599            getListView().setFastScrollEnabled(true);
1600            getListView().setDivider(null);
1601            getListView().setDividerHeight(0);
1602        }
1603
1604        @Override
1605        public void onCreateContextMenu(
1606                @NonNull final ContextMenu menu,
1607                @NonNull final View v,
1608                final ContextMenuInfo menuInfo) {
1609            super.onCreateContextMenu(menu, v, menuInfo);
1610            final StartConversationActivity activity = (StartConversationActivity) getActivity();
1611            if (activity == null) {
1612                return;
1613            }
1614            final AdapterView.AdapterContextMenuInfo acmi = (AdapterContextMenuInfo) menuInfo;
1615            activity.contextItem = null;
1616            if (mResContextMenu == R.menu.contact_context) {
1617                activity.contextItem = activity.contacts.get(acmi.position);
1618            } else if (mResContextMenu == R.menu.conference_context) {
1619                activity.contextItem = activity.conferences.get(acmi.position);
1620            }
1621            if (activity.contextItem instanceof Bookmark) {
1622                activity.getMenuInflater().inflate(R.menu.conference_context, menu);
1623                final Bookmark bookmark = (Bookmark) activity.contextItem;
1624                final Conversation conversation = bookmark.getConversation();
1625                final MenuItem share = menu.findItem(R.id.context_share_uri);
1626                final MenuItem delete = menu.findItem(R.id.context_delete_conference);
1627                if (conversation != null) {
1628                    delete.setTitle(R.string.delete_and_close);
1629                } else {
1630                    delete.setTitle(R.string.delete_bookmark);
1631                }
1632                share.setVisible(conversation == null || !conversation.isPrivateAndNonAnonymous());
1633            } else if (activity.contextItem instanceof Contact) {
1634                activity.getMenuInflater().inflate(R.menu.contact_context, menu);
1635                final Contact contact = (Contact) activity.contextItem;
1636                final MenuItem blockUnblockItem = menu.findItem(R.id.context_contact_block_unblock);
1637                final MenuItem showContactDetailsItem = menu.findItem(R.id.context_contact_details);
1638                final MenuItem deleteContactMenuItem = menu.findItem(R.id.context_delete_contact);
1639                if (contact.isSelf()) {
1640                    showContactDetailsItem.setVisible(false);
1641                }
1642                deleteContactMenuItem.setVisible(
1643                        contact.showInRoster()
1644                                && !contact.getOption(Contact.Options.SYNCED_VIA_OTHER));
1645                final XmppConnection xmpp = contact.getAccount().getXmppConnection();
1646                if (xmpp != null && xmpp.getFeatures().blocking() && !contact.isSelf()) {
1647                    if (contact.isBlocked()) {
1648                        blockUnblockItem.setTitle(R.string.unblock_contact);
1649                    } else {
1650                        blockUnblockItem.setTitle(R.string.block_contact);
1651                    }
1652                } else {
1653                    blockUnblockItem.setVisible(false);
1654                }
1655            }
1656        }
1657
1658        @Override
1659        public boolean onContextItemSelected(final MenuItem item) {
1660            StartConversationActivity activity = (StartConversationActivity) getActivity();
1661            if (activity == null) {
1662                return true;
1663            }
1664            switch (item.getItemId()) {
1665                case R.id.context_contact_details:
1666                    activity.openDetailsForContact();
1667                    break;
1668                case R.id.context_show_qr:
1669                    activity.showQrForContact();
1670                    break;
1671                case R.id.context_contact_block_unblock:
1672                    activity.toggleContactBlock();
1673                    break;
1674                case R.id.context_delete_contact:
1675                    activity.deleteContact();
1676                    break;
1677                case R.id.context_share_uri:
1678                    activity.shareBookmarkUri();
1679                    break;
1680                case R.id.context_delete_conference:
1681                    activity.deleteConference();
1682            }
1683            return true;
1684        }
1685    }
1686
1687    public class ListPagerAdapter extends PagerAdapter {
1688        private final FragmentManager fragmentManager;
1689        private final MyListFragment[] fragments;
1690
1691        ListPagerAdapter(FragmentManager fm) {
1692            fragmentManager = fm;
1693            fragments = new MyListFragment[2];
1694        }
1695
1696        public void requestFocus(int pos) {
1697            if (fragments.length > pos) {
1698                fragments[pos].getListView().requestFocus();
1699            }
1700        }
1701
1702        @Override
1703        public void destroyItem(
1704                @NonNull ViewGroup container, int position, @NonNull Object object) {
1705            FragmentTransaction trans = fragmentManager.beginTransaction();
1706            trans.remove(fragments[position]);
1707            trans.commit();
1708            fragments[position] = null;
1709        }
1710
1711        @NonNull
1712        @Override
1713        public Fragment instantiateItem(@NonNull ViewGroup container, int position) {
1714            final Fragment fragment = getItem(position);
1715            final FragmentTransaction trans = fragmentManager.beginTransaction();
1716            trans.add(container.getId(), fragment, "fragment:" + position);
1717            try {
1718                trans.commit();
1719            } catch (IllegalStateException e) {
1720                // ignore
1721            }
1722            return fragment;
1723        }
1724
1725        @Override
1726        public int getCount() {
1727            return fragments.length;
1728        }
1729
1730        @Override
1731        public boolean isViewFromObject(@NonNull View view, @NonNull Object fragment) {
1732            return ((Fragment) fragment).getView() == view;
1733        }
1734
1735        @Nullable
1736        @Override
1737        public CharSequence getPageTitle(int position) {
1738            switch (position) {
1739                case 0:
1740                    return getResources().getString(R.string.contacts);
1741                case 1:
1742                    return getResources().getString(R.string.group_chats);
1743                default:
1744                    return super.getPageTitle(position);
1745            }
1746        }
1747
1748        Fragment getItem(int position) {
1749            if (fragments[position] == null) {
1750                final MyListFragment listFragment = new MyListFragment();
1751                if (position == 1) {
1752                    listFragment.setListAdapter(mConferenceAdapter);
1753                    listFragment.setContextMenu(R.menu.conference_context);
1754                    listFragment.setOnListItemClickListener(
1755                            (arg0, arg1, p, arg3) -> openConversationForBookmark(p));
1756                } else {
1757                    listFragment.setListAdapter(mContactsAdapter);
1758                    listFragment.setContextMenu(R.menu.contact_context);
1759                    listFragment.setOnListItemClickListener(
1760                            (arg0, arg1, p, arg3) -> openConversationForContact(p));
1761                    if (QuickConversationsService.isQuicksy()) {
1762                        listFragment.setOnRefreshListener(StartConversationActivity.this);
1763                    }
1764                }
1765                fragments[position] = listFragment;
1766            }
1767            return fragments[position];
1768        }
1769    }
1770
1771    public static void addInviteUri(Intent to, Intent from) {
1772        if (from != null && from.hasExtra(EXTRA_INVITE_URI)) {
1773            final String invite = from.getStringExtra(EXTRA_INVITE_URI);
1774            to.putExtra(EXTRA_INVITE_URI, invite);
1775        }
1776    }
1777
1778    private class Invite extends XmppUri {
1779
1780        public String account;
1781
1782        boolean forceDialog = false;
1783
1784        Invite(final String uri) {
1785            super(uri);
1786        }
1787
1788        Invite(Uri uri, boolean safeSource) {
1789            super(uri, safeSource);
1790        }
1791
1792        boolean invite() {
1793            if (!isValidJid()) {
1794                Toast.makeText(
1795                                StartConversationActivity.this,
1796                                R.string.invalid_jid,
1797                                Toast.LENGTH_SHORT)
1798                        .show();
1799                return false;
1800            }
1801            if (getJid() != null) {
1802                return handleJid(this);
1803            }
1804            return false;
1805        }
1806    }
1807
1808    class TagsAdapter extends RecyclerView.Adapter<TagsAdapter.ViewHolder> {
1809        class ViewHolder extends RecyclerView.ViewHolder {
1810            protected TextView tv;
1811
1812            public ViewHolder(View v) {
1813                super(v);
1814                tv = (TextView) v;
1815                tv.setOnClickListener(view -> {
1816                    String needle = mSearchEditText.getText().toString();
1817                    String tag = tv.getText().toString();
1818                    String[] parts = needle.split("[,\\s]+");
1819                    if(needle.isEmpty()) {
1820                        needle = tag;
1821                    } else if (tag.toLowerCase(Locale.US).contains(parts[parts.length-1])) {
1822                        needle = needle.replace(parts[parts.length-1], tag);
1823                    } else {
1824                        needle += ", " + tag;
1825                    }
1826                    mSearchEditText.setText("");
1827                    mSearchEditText.append(needle);
1828                    filter(needle);
1829                });
1830            }
1831
1832            public void setTag(ListItem.Tag tag) {
1833                tv.setText(tag.getName());
1834                tv.setBackgroundTintList(ColorStateList.valueOf(MaterialColors.harmonizeWithPrimary(StartConversationActivity.this,XEP0392Helper.rgbFromNick(tag.getName()))));
1835            }
1836        }
1837
1838        protected List<ListItem.Tag> tags = new ArrayList<>();
1839
1840        @Override
1841        public ViewHolder onCreateViewHolder(ViewGroup viewGroup, int i) {
1842            View view = LayoutInflater.from(viewGroup.getContext()).inflate(R.layout.list_item_tag, null);
1843            return new ViewHolder(view);
1844        }
1845
1846        @Override
1847        public void onBindViewHolder(ViewHolder viewHolder, int i) {
1848            viewHolder.setTag(tags.get(i));
1849        }
1850
1851        @Override
1852        public int getItemCount() {
1853            return tags.size();
1854        }
1855
1856        public void setTags(final List<ListItem.Tag> tags) {
1857            ListItem.Tag channelTag = new ListItem.Tag("Channel");
1858            String needle = mSearchEditText == null ? "" : mSearchEditText.getText().toString().toLowerCase(Locale.US).trim();
1859            HashSet<String> parts = new HashSet<>(Arrays.asList(needle.split("[,\\s]+")));
1860            this.tags = tags.stream().filter(
1861                tag -> !tag.equals(channelTag) && !parts.contains(tag.getName().toLowerCase(Locale.US))
1862            ).collect(Collectors.toList());
1863            if (!parts.contains("channel") && tags.contains(channelTag)) this.tags.add(0, channelTag);
1864            notifyDataSetChanged();
1865        }
1866    }
1867}