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.net.Uri;
  13import android.os.Build;
  14import android.os.Bundle;
  15import android.text.Editable;
  16import android.text.Html;
  17import android.text.TextWatcher;
  18import android.text.method.LinkMovementMethod;
  19import android.util.Log;
  20import android.util.Pair;
  21import android.view.ContextMenu;
  22import android.view.ContextMenu.ContextMenuInfo;
  23import android.view.KeyEvent;
  24import android.view.Menu;
  25import android.view.MenuItem;
  26import android.view.View;
  27import android.view.ViewGroup;
  28import android.view.inputmethod.InputMethodManager;
  29import android.widget.AdapterView;
  30import android.widget.AdapterView.AdapterContextMenuInfo;
  31import android.widget.ArrayAdapter;
  32import android.widget.AutoCompleteTextView;
  33import android.widget.CheckBox;
  34import android.widget.EditText;
  35import android.widget.ListView;
  36import android.widget.Spinner;
  37import android.widget.TextView;
  38import android.widget.Toast;
  39
  40import androidx.annotation.MenuRes;
  41import androidx.annotation.NonNull;
  42import androidx.annotation.Nullable;
  43import androidx.annotation.StringRes;
  44import androidx.appcompat.app.ActionBar;
  45import androidx.appcompat.app.AlertDialog;
  46import androidx.appcompat.widget.PopupMenu;
  47import androidx.core.content.ContextCompat;
  48import androidx.databinding.DataBindingUtil;
  49import androidx.fragment.app.Fragment;
  50import androidx.fragment.app.FragmentManager;
  51import androidx.fragment.app.FragmentTransaction;
  52import androidx.swiperefreshlayout.widget.SwipeRefreshLayout;
  53import androidx.viewpager.widget.PagerAdapter;
  54import androidx.viewpager.widget.ViewPager;
  55
  56import com.google.android.material.textfield.TextInputLayout;
  57import com.leinardi.android.speeddial.SpeedDialActionItem;
  58import com.leinardi.android.speeddial.SpeedDialView;
  59
  60import java.util.ArrayList;
  61import java.util.Collections;
  62import java.util.List;
  63import java.util.concurrent.atomic.AtomicBoolean;
  64
  65import eu.siacs.conversations.Config;
  66import eu.siacs.conversations.R;
  67import eu.siacs.conversations.databinding.ActivityStartConversationBinding;
  68import eu.siacs.conversations.entities.Account;
  69import eu.siacs.conversations.entities.Bookmark;
  70import eu.siacs.conversations.entities.Contact;
  71import eu.siacs.conversations.entities.Conversation;
  72import eu.siacs.conversations.entities.ListItem;
  73import eu.siacs.conversations.entities.MucOptions;
  74import eu.siacs.conversations.entities.Presence;
  75import eu.siacs.conversations.services.QuickConversationsService;
  76import eu.siacs.conversations.services.XmppConnectionService;
  77import eu.siacs.conversations.services.XmppConnectionService.OnRosterUpdate;
  78import eu.siacs.conversations.ui.adapter.ListItemAdapter;
  79import eu.siacs.conversations.ui.interfaces.OnBackendConnected;
  80import eu.siacs.conversations.ui.util.JidDialog;
  81import eu.siacs.conversations.ui.util.MenuDoubleTabUtil;
  82import eu.siacs.conversations.ui.util.PendingItem;
  83import eu.siacs.conversations.ui.util.SoftKeyboardUtils;
  84import eu.siacs.conversations.ui.widget.SwipeRefreshListFragment;
  85import eu.siacs.conversations.utils.AccountUtils;
  86import eu.siacs.conversations.utils.XmppUri;
  87import eu.siacs.conversations.xmpp.Jid;
  88import eu.siacs.conversations.xmpp.OnUpdateBlocklist;
  89import eu.siacs.conversations.xmpp.XmppConnection;
  90
  91public class StartConversationActivity extends XmppActivity implements XmppConnectionService.OnConversationUpdate, OnRosterUpdate, OnUpdateBlocklist, CreatePrivateGroupChatDialog.CreateConferenceDialogListener, JoinConferenceDialog.JoinConferenceDialogListener, SwipeRefreshLayout.OnRefreshListener, CreatePublicChannelDialog.CreatePublicChannelDialogListener {
  92
  93    public static final String EXTRA_INVITE_URI = "eu.siacs.conversations.invite_uri";
  94
  95    private final int REQUEST_SYNC_CONTACTS = 0x28cf;
  96    private final int REQUEST_CREATE_CONFERENCE = 0x39da;
  97    private final PendingItem<Intent> pendingViewIntent = new PendingItem<>();
  98    private final PendingItem<String> mInitialSearchValue = new PendingItem<>();
  99    private final AtomicBoolean oneShotKeyboardSuppress = new AtomicBoolean();
 100    public int conference_context_id;
 101    public int contact_context_id;
 102    private ListPagerAdapter mListPagerAdapter;
 103    private final List<ListItem> contacts = new ArrayList<>();
 104    private ListItemAdapter mContactsAdapter;
 105    private final List<ListItem> conferences = new ArrayList<>();
 106    private ListItemAdapter mConferenceAdapter;
 107    private final List<String> mActivatedAccounts = new ArrayList<>();
 108    private EditText mSearchEditText;
 109    private final AtomicBoolean mRequestedContactsPermission = new AtomicBoolean(false);
 110    private final AtomicBoolean mOpenedFab = new AtomicBoolean(false);
 111    private boolean mHideOfflineContacts = false;
 112    private boolean createdByViewIntent = false;
 113    private final MenuItem.OnActionExpandListener mOnActionExpandListener = new MenuItem.OnActionExpandListener() {
 114
 115        @Override
 116        public boolean onMenuItemActionExpand(MenuItem item) {
 117            mSearchEditText.post(() -> {
 118                updateSearchViewHint();
 119                mSearchEditText.requestFocus();
 120                if (oneShotKeyboardSuppress.compareAndSet(true, false)) {
 121                    return;
 122                }
 123                InputMethodManager imm = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
 124                if (imm != null) {
 125                    imm.showSoftInput(mSearchEditText, InputMethodManager.SHOW_IMPLICIT);
 126                }
 127            });
 128            if (binding.speedDial.isOpen()) {
 129                binding.speedDial.close();
 130            }
 131            return true;
 132        }
 133
 134        @Override
 135        public boolean onMenuItemActionCollapse(MenuItem item) {
 136            SoftKeyboardUtils.hideSoftKeyboard(StartConversationActivity.this);
 137            mSearchEditText.setText("");
 138            filter(null);
 139            return true;
 140        }
 141    };
 142    private final TextWatcher mSearchTextWatcher = new TextWatcher() {
 143
 144        @Override
 145        public void afterTextChanged(Editable editable) {
 146            filter(editable.toString());
 147        }
 148
 149        @Override
 150        public void beforeTextChanged(CharSequence s, int start, int count, int after) {
 151        }
 152
 153        @Override
 154        public void onTextChanged(CharSequence s, int start, int before, int count) {
 155        }
 156    };
 157    private MenuItem mMenuSearchView;
 158    private final ListItemAdapter.OnTagClickedListener mOnTagClickedListener = new ListItemAdapter.OnTagClickedListener() {
 159        @Override
 160        public void onTagClicked(String tag) {
 161            if (mMenuSearchView != null) {
 162                mMenuSearchView.expandActionView();
 163                mSearchEditText.setText("");
 164                mSearchEditText.append(tag);
 165                filter(tag);
 166            }
 167        }
 168    };
 169    private Pair<Integer, Intent> mPostponedActivityResult;
 170    private Toast mToast;
 171    private final UiCallback<Conversation> mAdhocConferenceCallback = new UiCallback<Conversation>() {
 172        @Override
 173        public void success(final Conversation conversation) {
 174            runOnUiThread(() -> {
 175                hideToast();
 176                switchToConversation(conversation);
 177            });
 178        }
 179
 180        @Override
 181        public void error(final int errorCode, Conversation object) {
 182            runOnUiThread(() -> replaceToast(getString(errorCode)));
 183        }
 184
 185        @Override
 186        public void userInputRequired(PendingIntent pi, Conversation object) {
 187
 188        }
 189    };
 190    private ActivityStartConversationBinding binding;
 191    private final TextView.OnEditorActionListener mSearchDone = new TextView.OnEditorActionListener() {
 192        @Override
 193        public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
 194            int pos = binding.startConversationViewPager.getCurrentItem();
 195            if (pos == 0) {
 196                if (contacts.size() == 1) {
 197                    openConversationForContact((Contact) contacts.get(0));
 198                    return true;
 199                } else if (contacts.size() == 0 && conferences.size() == 1) {
 200                    openConversationsForBookmark((Bookmark) conferences.get(0));
 201                    return true;
 202                }
 203            } else {
 204                if (conferences.size() == 1) {
 205                    openConversationsForBookmark((Bookmark) conferences.get(0));
 206                    return true;
 207                } else if (conferences.size() == 0 && contacts.size() == 1) {
 208                    openConversationForContact((Contact) contacts.get(0));
 209                    return true;
 210                }
 211            }
 212            SoftKeyboardUtils.hideSoftKeyboard(StartConversationActivity.this);
 213            mListPagerAdapter.requestFocus(pos);
 214            return true;
 215        }
 216    };
 217
 218    public static void populateAccountSpinner(Context context, List<String> accounts, Spinner spinner) {
 219        if (accounts.size() > 0) {
 220            ArrayAdapter<String> adapter = new ArrayAdapter<>(context, R.layout.simple_list_item, accounts);
 221            adapter.setDropDownViewResource(R.layout.simple_list_item);
 222            spinner.setAdapter(adapter);
 223            spinner.setEnabled(true);
 224        } else {
 225            ArrayAdapter<String> adapter = new ArrayAdapter<>(context,
 226                    R.layout.simple_list_item,
 227                    Collections.singletonList(context.getString(R.string.no_accounts)));
 228            adapter.setDropDownViewResource(R.layout.simple_list_item);
 229            spinner.setAdapter(adapter);
 230            spinner.setEnabled(false);
 231        }
 232    }
 233
 234    public static void launch(Context context) {
 235        final Intent intent = new Intent(context, StartConversationActivity.class);
 236        context.startActivity(intent);
 237    }
 238
 239    private static Intent createLauncherIntent(Context context) {
 240        final Intent intent = new Intent(context, StartConversationActivity.class);
 241        intent.setAction(Intent.ACTION_MAIN);
 242        intent.addCategory(Intent.CATEGORY_LAUNCHER);
 243        return intent;
 244    }
 245
 246    private static boolean isViewIntent(final Intent i) {
 247        return i != null && (Intent.ACTION_VIEW.equals(i.getAction()) || Intent.ACTION_SENDTO.equals(i.getAction()) || i.hasExtra(EXTRA_INVITE_URI));
 248    }
 249
 250    protected void hideToast() {
 251        if (mToast != null) {
 252            mToast.cancel();
 253        }
 254    }
 255
 256    protected void replaceToast(String msg) {
 257        hideToast();
 258        mToast = Toast.makeText(this, msg, Toast.LENGTH_LONG);
 259        mToast.show();
 260    }
 261
 262    @Override
 263    public void onRosterUpdate() {
 264        this.refreshUi();
 265    }
 266
 267    @Override
 268    public void onCreate(Bundle savedInstanceState) {
 269        super.onCreate(savedInstanceState);
 270        this.binding = DataBindingUtil.setContentView(this, R.layout.activity_start_conversation);
 271        setSupportActionBar(binding.toolbar);
 272        configureActionBar(getSupportActionBar());
 273
 274        inflateFab(binding.speedDial, R.menu.start_conversation_fab_submenu);
 275        binding.tabLayout.setupWithViewPager(binding.startConversationViewPager);
 276        binding.startConversationViewPager.addOnPageChangeListener(new ViewPager.SimpleOnPageChangeListener() {
 277            @Override
 278            public void onPageSelected(int position) {
 279                updateSearchViewHint();
 280            }
 281        });
 282        mListPagerAdapter = new ListPagerAdapter(getSupportFragmentManager());
 283        binding.startConversationViewPager.setAdapter(mListPagerAdapter);
 284
 285        mConferenceAdapter = new ListItemAdapter(this, conferences);
 286        mContactsAdapter = new ListItemAdapter(this, contacts);
 287        mContactsAdapter.setOnTagClickedListener(this.mOnTagClickedListener);
 288
 289        final SharedPreferences preferences = getPreferences();
 290
 291        this.mHideOfflineContacts = QuickConversationsService.isConversations() && preferences.getBoolean("hide_offline", false);
 292
 293        final boolean startSearching = preferences.getBoolean("start_searching", getResources().getBoolean(R.bool.start_searching));
 294
 295        final Intent intent;
 296        if (savedInstanceState == null) {
 297            intent = getIntent();
 298        } else {
 299            createdByViewIntent = savedInstanceState.getBoolean("created_by_view_intent", false);
 300            final String search = savedInstanceState.getString("search");
 301            if (search != null) {
 302                mInitialSearchValue.push(search);
 303            }
 304            intent = savedInstanceState.getParcelable("intent");
 305        }
 306
 307        if (isViewIntent(intent)) {
 308            pendingViewIntent.push(intent);
 309            createdByViewIntent = true;
 310            setIntent(createLauncherIntent(this));
 311        } else if (startSearching && mInitialSearchValue.peek() == null) {
 312            mInitialSearchValue.push("");
 313        }
 314        mRequestedContactsPermission.set(savedInstanceState != null && savedInstanceState.getBoolean("requested_contacts_permission", false));
 315        mOpenedFab.set(savedInstanceState != null && savedInstanceState.getBoolean("opened_fab", false));
 316        binding.speedDial.setOnActionSelectedListener(actionItem -> {
 317            final String searchString = mSearchEditText != null ? mSearchEditText.getText().toString() : null;
 318            final String prefilled;
 319            if (isValidJid(searchString)) {
 320                prefilled = Jid.ofEscaped(searchString).toEscapedString();
 321            } else {
 322                prefilled = null;
 323            }
 324            switch (actionItem.getId()) {
 325                case R.id.discover_public_channels:
 326                    if (QuickConversationsService.isPlayStoreFlavor()) {
 327                        throw new IllegalStateException("Channel discovery is not available on Google Play flavor");
 328                    } else {
 329                        startActivity(new Intent(this, ChannelDiscoveryActivity.class));
 330                    }
 331                    break;
 332                case R.id.join_public_channel:
 333                    showJoinConferenceDialog(prefilled);
 334                    break;
 335                case R.id.create_private_group_chat:
 336                    showCreatePrivateGroupChatDialog();
 337                    break;
 338                case R.id.create_public_channel:
 339                    showPublicChannelDialog();
 340                    break;
 341                case R.id.create_contact:
 342                    showCreateContactDialog(prefilled, null);
 343                    break;
 344            }
 345            return false;
 346        });
 347    }
 348
 349    private void inflateFab(final SpeedDialView speedDialView, final @MenuRes int menuRes) {
 350        speedDialView.clearActionItems();
 351        final PopupMenu popupMenu = new PopupMenu(this, new View(this));
 352        popupMenu.inflate(menuRes);
 353        final Menu menu = popupMenu.getMenu();
 354        for (int i = 0; i < menu.size(); i++) {
 355            final MenuItem menuItem = menu.getItem(i);
 356            if (QuickConversationsService.isPlayStoreFlavor() && menuItem.getItemId() == R.id.discover_public_channels) {
 357                continue;
 358            }
 359            final SpeedDialActionItem actionItem = new SpeedDialActionItem.Builder(menuItem.getItemId(), menuItem.getIcon())
 360                    .setLabel(menuItem.getTitle() != null ? menuItem.getTitle().toString() : null)
 361                    .setFabImageTintColor(ContextCompat.getColor(this, R.color.white))
 362                    .create();
 363            speedDialView.addActionItem(actionItem);
 364        }
 365    }
 366
 367    public static boolean isValidJid(String input) {
 368        try {
 369            Jid jid = Jid.ofEscaped(input);
 370            return !jid.isDomainJid();
 371        } catch (IllegalArgumentException e) {
 372            return false;
 373        }
 374    }
 375
 376    @Override
 377    public void onSaveInstanceState(Bundle savedInstanceState) {
 378        Intent pendingIntent = pendingViewIntent.peek();
 379        savedInstanceState.putParcelable("intent", pendingIntent != null ? pendingIntent : getIntent());
 380        savedInstanceState.putBoolean("requested_contacts_permission", mRequestedContactsPermission.get());
 381        savedInstanceState.putBoolean("opened_fab", mOpenedFab.get());
 382        savedInstanceState.putBoolean("created_by_view_intent", createdByViewIntent);
 383        if (mMenuSearchView != null && mMenuSearchView.isActionViewExpanded()) {
 384            savedInstanceState.putString("search", mSearchEditText != null ? mSearchEditText.getText().toString() : null);
 385        }
 386        super.onSaveInstanceState(savedInstanceState);
 387    }
 388
 389    @Override
 390    public void onStart() {
 391        super.onStart();
 392        final int theme = findTheme();
 393        if (this.mTheme != theme) {
 394            recreate();
 395        } else {
 396            if (pendingViewIntent.peek() == null) {
 397                askForContactsPermissions();
 398            }
 399        }
 400        mConferenceAdapter.refreshSettings();
 401        mContactsAdapter.refreshSettings();
 402    }
 403
 404    @Override
 405    public void onNewIntent(final Intent intent) {
 406        super.onNewIntent(intent);
 407        if (xmppConnectionServiceBound) {
 408            processViewIntent(intent);
 409        } else {
 410            pendingViewIntent.push(intent);
 411        }
 412        setIntent(createLauncherIntent(this));
 413    }
 414
 415    protected void openConversationForContact(int position) {
 416        Contact contact = (Contact) contacts.get(position);
 417        openConversationForContact(contact);
 418    }
 419
 420    protected void openConversationForContact(Contact contact) {
 421        Conversation conversation = xmppConnectionService.findOrCreateConversation(contact.getAccount(), contact.getJid(), false, true);
 422        SoftKeyboardUtils.hideSoftKeyboard(this);
 423        switchToConversation(conversation);
 424    }
 425
 426    protected void openConversationForBookmark(int position) {
 427        Bookmark bookmark = (Bookmark) conferences.get(position);
 428        openConversationsForBookmark(bookmark);
 429    }
 430
 431    protected void shareBookmarkUri() {
 432        shareBookmarkUri(conference_context_id);
 433    }
 434
 435    protected void shareBookmarkUri(int position) {
 436        Bookmark bookmark = (Bookmark) conferences.get(position);
 437        shareAsChannel(this, bookmark.getJid().asBareJid().toEscapedString());
 438    }
 439
 440    public static void shareAsChannel(final Context context, final String address) {
 441        Intent shareIntent = new Intent();
 442        shareIntent.setAction(Intent.ACTION_SEND);
 443        shareIntent.putExtra(Intent.EXTRA_TEXT, "xmpp:" + address + "?join");
 444        shareIntent.setType("text/plain");
 445        try {
 446            context.startActivity(Intent.createChooser(shareIntent, context.getText(R.string.share_uri_with)));
 447        } catch (ActivityNotFoundException e) {
 448            Toast.makeText(context, R.string.no_application_to_share_uri, Toast.LENGTH_SHORT).show();
 449        }
 450    }
 451
 452    protected void openConversationsForBookmark(Bookmark bookmark) {
 453        final Jid jid = bookmark.getFullJid();
 454        if (jid == null) {
 455            Toast.makeText(this, R.string.invalid_jid, Toast.LENGTH_SHORT).show();
 456            return;
 457        }
 458        Conversation conversation = xmppConnectionService.findOrCreateConversation(bookmark.getAccount(), jid, true, true, true);
 459        bookmark.setConversation(conversation);
 460        if (!bookmark.autojoin() && getPreferences().getBoolean("autojoin", getResources().getBoolean(R.bool.autojoin))) {
 461            bookmark.setAutojoin(true);
 462            xmppConnectionService.createBookmark(bookmark.getAccount(), bookmark);
 463        }
 464        SoftKeyboardUtils.hideSoftKeyboard(this);
 465        switchToConversation(conversation);
 466    }
 467
 468    protected void openDetailsForContact() {
 469        int position = contact_context_id;
 470        Contact contact = (Contact) contacts.get(position);
 471        switchToContactDetails(contact);
 472    }
 473
 474    protected void showQrForContact() {
 475        int position = contact_context_id;
 476        Contact contact = (Contact) contacts.get(position);
 477        showQrCode("xmpp:" + contact.getJid().asBareJid().toEscapedString());
 478    }
 479
 480    protected void toggleContactBlock() {
 481        final int position = contact_context_id;
 482        BlockContactDialog.show(this, (Contact) contacts.get(position));
 483    }
 484
 485    protected void deleteContact() {
 486        final int position = contact_context_id;
 487        final Contact contact = (Contact) contacts.get(position);
 488        final AlertDialog.Builder builder = new AlertDialog.Builder(this);
 489        builder.setNegativeButton(R.string.cancel, null);
 490        builder.setTitle(R.string.action_delete_contact);
 491        builder.setMessage(JidDialog.style(this, R.string.remove_contact_text, contact.getJid().toEscapedString()));
 492        builder.setPositiveButton(R.string.delete, (dialog, which) -> {
 493            xmppConnectionService.deleteContactOnServer(contact);
 494            filter(mSearchEditText.getText().toString());
 495        });
 496        builder.create().show();
 497    }
 498
 499    protected void deleteConference() {
 500        int position = conference_context_id;
 501        final Bookmark bookmark = (Bookmark) conferences.get(position);
 502
 503        AlertDialog.Builder builder = new AlertDialog.Builder(this);
 504        builder.setNegativeButton(R.string.cancel, null);
 505        builder.setTitle(R.string.delete_bookmark);
 506        builder.setMessage(JidDialog.style(this, R.string.remove_bookmark_text, bookmark.getJid().toEscapedString()));
 507        builder.setPositiveButton(R.string.delete, (dialog, which) -> {
 508            bookmark.setConversation(null);
 509            final Account account = bookmark.getAccount();
 510            xmppConnectionService.deleteBookmark(account, bookmark);
 511            filter(mSearchEditText.getText().toString());
 512        });
 513        builder.create().show();
 514
 515    }
 516
 517    @SuppressLint("InflateParams")
 518    protected void showCreateContactDialog(final String prefilledJid, final Invite invite) {
 519        FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
 520        Fragment prev = getSupportFragmentManager().findFragmentByTag(FRAGMENT_TAG_DIALOG);
 521        if (prev != null) {
 522            ft.remove(prev);
 523        }
 524        ft.addToBackStack(null);
 525        EnterJidDialog dialog = EnterJidDialog.newInstance(
 526                mActivatedAccounts,
 527                getString(R.string.add_contact),
 528                getString(R.string.add),
 529                prefilledJid,
 530                invite == null ? null : invite.account,
 531                invite == null || !invite.hasFingerprints(),
 532                true
 533        );
 534
 535        dialog.setOnEnterJidDialogPositiveListener((accountJid, contactJid) -> {
 536            if (!xmppConnectionServiceBound) {
 537                return false;
 538            }
 539
 540            final Account account = xmppConnectionService.findAccountByJid(accountJid);
 541            if (account == null) {
 542                return true;
 543            }
 544
 545            final Contact contact = account.getRoster().getContact(contactJid);
 546            if (invite != null && invite.getName() != null) {
 547                contact.setServerName(invite.getName());
 548            }
 549            if (contact.isSelf()) {
 550                switchToConversation(contact);
 551                return true;
 552            } else if (contact.showInRoster()) {
 553                throw new EnterJidDialog.JidError(getString(R.string.contact_already_exists));
 554            } else {
 555                final String preAuth = invite == null ? null : invite.getParameter(XmppUri.PARAMETER_PRE_AUTH);
 556                xmppConnectionService.createContact(contact, true, preAuth);
 557                if (invite != null && invite.hasFingerprints()) {
 558                    xmppConnectionService.verifyFingerprints(contact, invite.getFingerprints());
 559                }
 560                switchToConversationDoNotAppend(contact, invite == null ? null : invite.getBody());
 561                return true;
 562            }
 563        });
 564        dialog.show(ft, FRAGMENT_TAG_DIALOG);
 565    }
 566
 567    @SuppressLint("InflateParams")
 568    protected void showJoinConferenceDialog(final String prefilledJid) {
 569        FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
 570        Fragment prev = getSupportFragmentManager().findFragmentByTag(FRAGMENT_TAG_DIALOG);
 571        if (prev != null) {
 572            ft.remove(prev);
 573        }
 574        ft.addToBackStack(null);
 575        JoinConferenceDialog joinConferenceFragment = JoinConferenceDialog.newInstance(prefilledJid, mActivatedAccounts);
 576        joinConferenceFragment.show(ft, FRAGMENT_TAG_DIALOG);
 577    }
 578
 579    private void showCreatePrivateGroupChatDialog() {
 580        FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
 581        Fragment prev = getSupportFragmentManager().findFragmentByTag(FRAGMENT_TAG_DIALOG);
 582        if (prev != null) {
 583            ft.remove(prev);
 584        }
 585        ft.addToBackStack(null);
 586        CreatePrivateGroupChatDialog createConferenceFragment = CreatePrivateGroupChatDialog.newInstance(mActivatedAccounts);
 587        createConferenceFragment.show(ft, FRAGMENT_TAG_DIALOG);
 588    }
 589
 590    private void showPublicChannelDialog() {
 591        FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
 592        Fragment prev = getSupportFragmentManager().findFragmentByTag(FRAGMENT_TAG_DIALOG);
 593        if (prev != null) {
 594            ft.remove(prev);
 595        }
 596        ft.addToBackStack(null);
 597        CreatePublicChannelDialog dialog = CreatePublicChannelDialog.newInstance(mActivatedAccounts);
 598        dialog.show(ft, FRAGMENT_TAG_DIALOG);
 599    }
 600
 601    public static Account getSelectedAccount(Context context, Spinner spinner) {
 602        if (spinner == null || !spinner.isEnabled()) {
 603            return null;
 604        }
 605        if (context instanceof XmppActivity) {
 606            Jid jid;
 607            try {
 608                if (Config.DOMAIN_LOCK != null) {
 609                    jid = Jid.ofEscaped((String) spinner.getSelectedItem(), Config.DOMAIN_LOCK, null);
 610                } else {
 611                    jid = Jid.ofEscaped((String) spinner.getSelectedItem());
 612                }
 613            } catch (final IllegalArgumentException e) {
 614                return null;
 615            }
 616            final XmppConnectionService service = ((XmppActivity) context).xmppConnectionService;
 617            if (service == null) {
 618                return null;
 619            }
 620            return service.findAccountByJid(jid);
 621        } else {
 622            return null;
 623        }
 624    }
 625
 626    protected void switchToConversation(Contact contact) {
 627        Conversation conversation = xmppConnectionService.findOrCreateConversation(contact.getAccount(), contact.getJid(), false, true);
 628        switchToConversation(conversation);
 629    }
 630
 631    protected void switchToConversationDoNotAppend(Contact contact, String body) {
 632        Conversation conversation = xmppConnectionService.findOrCreateConversation(contact.getAccount(), contact.getJid(), false, true);
 633        switchToConversationDoNotAppend(conversation, body);
 634    }
 635
 636    @Override
 637    public void invalidateOptionsMenu() {
 638        boolean isExpanded = mMenuSearchView != null && mMenuSearchView.isActionViewExpanded();
 639        String text = mSearchEditText != null ? mSearchEditText.getText().toString() : "";
 640        if (isExpanded) {
 641            mInitialSearchValue.push(text);
 642            oneShotKeyboardSuppress.set(true);
 643        }
 644        super.invalidateOptionsMenu();
 645    }
 646
 647    private void updateSearchViewHint() {
 648        if (binding == null || mSearchEditText == null) {
 649            return;
 650        }
 651        if (binding.startConversationViewPager.getCurrentItem() == 0) {
 652            mSearchEditText.setHint(R.string.search_contacts);
 653            mSearchEditText.setContentDescription(getString(R.string.search_contacts));
 654        } else {
 655            mSearchEditText.setHint(R.string.search_group_chats);
 656            mSearchEditText.setContentDescription(getString(R.string.search_group_chats));
 657        }
 658    }
 659
 660    @Override
 661    public boolean onCreateOptionsMenu(Menu menu) {
 662        getMenuInflater().inflate(R.menu.start_conversation, menu);
 663        AccountUtils.showHideMenuItems(menu);
 664        MenuItem menuHideOffline = menu.findItem(R.id.action_hide_offline);
 665        MenuItem qrCodeScanMenuItem = menu.findItem(R.id.action_scan_qr_code);
 666        qrCodeScanMenuItem.setVisible(isCameraFeatureAvailable());
 667        if (QuickConversationsService.isQuicksy()) {
 668            menuHideOffline.setVisible(false);
 669        } else {
 670            menuHideOffline.setVisible(true);
 671            menuHideOffline.setChecked(this.mHideOfflineContacts);
 672        }
 673        mMenuSearchView = menu.findItem(R.id.action_search);
 674        mMenuSearchView.setOnActionExpandListener(mOnActionExpandListener);
 675        View mSearchView = mMenuSearchView.getActionView();
 676        mSearchEditText = mSearchView.findViewById(R.id.search_field);
 677        mSearchEditText.addTextChangedListener(mSearchTextWatcher);
 678        mSearchEditText.setOnEditorActionListener(mSearchDone);
 679        String initialSearchValue = mInitialSearchValue.pop();
 680        if (initialSearchValue != null) {
 681            mMenuSearchView.expandActionView();
 682            mSearchEditText.append(initialSearchValue);
 683            filter(initialSearchValue);
 684        }
 685        updateSearchViewHint();
 686        return super.onCreateOptionsMenu(menu);
 687    }
 688
 689    @Override
 690    public boolean onOptionsItemSelected(MenuItem item) {
 691        if (MenuDoubleTabUtil.shouldIgnoreTap()) {
 692            return false;
 693        }
 694        switch (item.getItemId()) {
 695            case android.R.id.home:
 696                navigateBack();
 697                return true;
 698            case R.id.action_scan_qr_code:
 699                UriHandlerActivity.scan(this);
 700                return true;
 701            case R.id.action_hide_offline:
 702                mHideOfflineContacts = !item.isChecked();
 703                getPreferences().edit().putBoolean("hide_offline", mHideOfflineContacts).apply();
 704                if (mSearchEditText != null) {
 705                    filter(mSearchEditText.getText().toString());
 706                }
 707                invalidateOptionsMenu();
 708        }
 709        return super.onOptionsItemSelected(item);
 710    }
 711
 712    @Override
 713    public boolean onKeyUp(int keyCode, KeyEvent event) {
 714        if (keyCode == KeyEvent.KEYCODE_SEARCH && !event.isLongPress()) {
 715            openSearch();
 716            return true;
 717        }
 718        int c = event.getUnicodeChar();
 719        if (c > 32) {
 720            if (mSearchEditText != null && !mSearchEditText.isFocused()) {
 721                openSearch();
 722                mSearchEditText.append(Character.toString((char) c));
 723                return true;
 724            }
 725        }
 726        return super.onKeyUp(keyCode, event);
 727    }
 728
 729    private void openSearch() {
 730        if (mMenuSearchView != null) {
 731            mMenuSearchView.expandActionView();
 732        }
 733    }
 734
 735    @Override
 736    public void onActivityResult(int requestCode, int resultCode, Intent intent) {
 737        if (resultCode == RESULT_OK) {
 738            if (xmppConnectionServiceBound) {
 739                this.mPostponedActivityResult = null;
 740                if (requestCode == REQUEST_CREATE_CONFERENCE) {
 741                    Account account = extractAccount(intent);
 742                    final String name = intent.getStringExtra(ChooseContactActivity.EXTRA_GROUP_CHAT_NAME);
 743                    final List<Jid> jids = ChooseContactActivity.extractJabberIds(intent);
 744                    if (account != null && jids.size() > 0) {
 745                        if (xmppConnectionService.createAdhocConference(account, name, jids, mAdhocConferenceCallback)) {
 746                            mToast = Toast.makeText(this, R.string.creating_conference, Toast.LENGTH_LONG);
 747                            mToast.show();
 748                        }
 749                    }
 750                }
 751            } else {
 752                this.mPostponedActivityResult = new Pair<>(requestCode, intent);
 753            }
 754        }
 755        super.onActivityResult(requestCode, requestCode, intent);
 756    }
 757
 758    private void askForContactsPermissions() {
 759        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 760            if (checkSelfPermission(Manifest.permission.READ_CONTACTS) != PackageManager.PERMISSION_GRANTED) {
 761                if (mRequestedContactsPermission.compareAndSet(false, true)) {
 762                    if (QuickConversationsService.isQuicksy() || shouldShowRequestPermissionRationale(Manifest.permission.READ_CONTACTS)) {
 763                        final AlertDialog.Builder builder = new AlertDialog.Builder(this);
 764                        final AtomicBoolean requestPermission = new AtomicBoolean(false);
 765                        builder.setTitle(R.string.sync_with_contacts);
 766                        if (QuickConversationsService.isQuicksy()) {
 767                            builder.setMessage(Html.fromHtml(getString(R.string.sync_with_contacts_quicksy_static)));
 768                        } else {
 769                            builder.setMessage(getString(R.string.sync_with_contacts_long, getString(R.string.app_name)));
 770                        }
 771                        @StringRes int confirmButtonText;
 772                        if (QuickConversationsService.isConversations()) {
 773                            confirmButtonText = R.string.next;
 774                        } else {
 775                            confirmButtonText = R.string.agree_and_continue;
 776                        }
 777                        builder.setPositiveButton(confirmButtonText, (dialog, which) -> {
 778                            if (requestPermission.compareAndSet(false, true)) {
 779                                requestPermissions(new String[]{Manifest.permission.READ_CONTACTS}, REQUEST_SYNC_CONTACTS);
 780                            }
 781                        });
 782                        builder.setOnDismissListener(dialog -> {
 783                            if (QuickConversationsService.isConversations() && requestPermission.compareAndSet(false, true)) {
 784                                requestPermissions(new String[]{Manifest.permission.READ_CONTACTS}, REQUEST_SYNC_CONTACTS);
 785                            }
 786                        });
 787                        if (QuickConversationsService.isQuicksy()) {
 788                            builder.setNegativeButton(R.string.decline, null);
 789                        }
 790                        builder.setCancelable(QuickConversationsService.isQuicksy());
 791                        final AlertDialog dialog = builder.create();
 792                        dialog.setCanceledOnTouchOutside(QuickConversationsService.isQuicksy());
 793                        dialog.setOnShowListener(dialogInterface -> {
 794                            final TextView tv = dialog.findViewById(android.R.id.message);
 795                            if (tv != null) {
 796                                tv.setMovementMethod(LinkMovementMethod.getInstance());
 797                            }
 798                        });
 799                        dialog.show();
 800                    } else {
 801                        requestPermissions(new String[]{Manifest.permission.READ_CONTACTS}, REQUEST_SYNC_CONTACTS);
 802                    }
 803                }
 804            }
 805        }
 806    }
 807
 808    @Override
 809    public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
 810        super.onRequestPermissionsResult(requestCode, permissions, grantResults);
 811        if (grantResults.length > 0)
 812            if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {
 813                ScanActivity.onRequestPermissionResult(this, requestCode, grantResults);
 814                if (requestCode == REQUEST_SYNC_CONTACTS && xmppConnectionServiceBound) {
 815                    if (QuickConversationsService.isQuicksy()) {
 816                        setRefreshing(true);
 817                    }
 818                    xmppConnectionService.loadPhoneContacts();
 819                    xmppConnectionService.startContactObserver();
 820                }
 821            }
 822    }
 823
 824    private void configureHomeButton() {
 825        final ActionBar actionBar = getSupportActionBar();
 826        if (actionBar == null) {
 827            return;
 828        }
 829        boolean openConversations = !createdByViewIntent && !xmppConnectionService.isConversationsListEmpty(null);
 830        actionBar.setDisplayHomeAsUpEnabled(openConversations);
 831        actionBar.setDisplayHomeAsUpEnabled(openConversations);
 832
 833    }
 834
 835    @Override
 836    protected void onBackendConnected() {
 837
 838        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M || checkSelfPermission(Manifest.permission.READ_CONTACTS) == PackageManager.PERMISSION_GRANTED) {
 839            xmppConnectionService.getQuickConversationsService().considerSyncBackground(false);
 840        }
 841        if (mPostponedActivityResult != null) {
 842            onActivityResult(mPostponedActivityResult.first, RESULT_OK, mPostponedActivityResult.second);
 843            this.mPostponedActivityResult = null;
 844        }
 845        this.mActivatedAccounts.clear();
 846        this.mActivatedAccounts.addAll(AccountUtils.getEnabledAccounts(xmppConnectionService));
 847        configureHomeButton();
 848        Intent intent = pendingViewIntent.pop();
 849        if (intent != null && processViewIntent(intent)) {
 850            filter(null);
 851        } else {
 852            if (mSearchEditText != null) {
 853                filter(mSearchEditText.getText().toString());
 854            } else {
 855                filter(null);
 856            }
 857        }
 858        Fragment fragment = getSupportFragmentManager().findFragmentByTag(FRAGMENT_TAG_DIALOG);
 859        if (fragment instanceof OnBackendConnected) {
 860            Log.d(Config.LOGTAG, "calling on backend connected on dialog");
 861            ((OnBackendConnected) fragment).onBackendConnected();
 862        }
 863        if (QuickConversationsService.isQuicksy()) {
 864            setRefreshing(xmppConnectionService.getQuickConversationsService().isSynchronizing());
 865        }
 866        if (QuickConversationsService.isConversations() && AccountUtils.hasEnabledAccounts(xmppConnectionService) && this.contacts.size() == 0 && this.conferences.size() == 0 && mOpenedFab.compareAndSet(false, true)) {
 867            binding.speedDial.open();
 868        }
 869    }
 870
 871    protected boolean processViewIntent(@NonNull Intent intent) {
 872        final String inviteUri = intent.getStringExtra(EXTRA_INVITE_URI);
 873        if (inviteUri != null) {
 874            final Invite invite = new Invite(inviteUri);
 875            invite.account = intent.getStringExtra(EXTRA_ACCOUNT);
 876            if (invite.isValidJid()) {
 877                return invite.invite();
 878            }
 879        }
 880        final String action = intent.getAction();
 881        if (action == null) {
 882            return false;
 883        }
 884        switch (action) {
 885            case Intent.ACTION_SENDTO:
 886            case Intent.ACTION_VIEW:
 887                Uri uri = intent.getData();
 888                if (uri != null) {
 889                    Invite invite = new Invite(intent.getData(), intent.getBooleanExtra("scanned", false));
 890                    invite.account = intent.getStringExtra(EXTRA_ACCOUNT);
 891                    invite.forceDialog = intent.getBooleanExtra("force_dialog", false);
 892                    return invite.invite();
 893                } else {
 894                    return false;
 895                }
 896        }
 897        return false;
 898    }
 899
 900    private boolean handleJid(Invite invite) {
 901        List<Contact> contacts = xmppConnectionService.findContacts(invite.getJid(), invite.account);
 902        if (invite.isAction(XmppUri.ACTION_JOIN)) {
 903            Conversation muc = xmppConnectionService.findFirstMuc(invite.getJid());
 904            if (muc != null && !invite.forceDialog) {
 905                switchToConversationDoNotAppend(muc, invite.getBody());
 906                return true;
 907            } else {
 908                showJoinConferenceDialog(invite.getJid().asBareJid().toEscapedString());
 909                return false;
 910            }
 911        } else if (contacts.size() == 0) {
 912            showCreateContactDialog(invite.getJid().toEscapedString(), invite);
 913            return false;
 914        } else if (contacts.size() == 1) {
 915            Contact contact = contacts.get(0);
 916            if (!invite.isSafeSource() && invite.hasFingerprints()) {
 917                displayVerificationWarningDialog(contact, invite);
 918            } else {
 919                if (invite.hasFingerprints()) {
 920                    if (xmppConnectionService.verifyFingerprints(contact, invite.getFingerprints())) {
 921                        Toast.makeText(this, R.string.verified_fingerprints, Toast.LENGTH_SHORT).show();
 922                    }
 923                }
 924                if (invite.account != null) {
 925                    xmppConnectionService.getShortcutService().report(contact);
 926                }
 927                switchToConversationDoNotAppend(contact, invite.getBody());
 928            }
 929            return true;
 930        } else {
 931            if (mMenuSearchView != null) {
 932                mMenuSearchView.expandActionView();
 933                mSearchEditText.setText("");
 934                mSearchEditText.append(invite.getJid().toEscapedString());
 935                filter(invite.getJid().toEscapedString());
 936            } else {
 937                mInitialSearchValue.push(invite.getJid().toEscapedString());
 938            }
 939            return true;
 940        }
 941    }
 942
 943    private void displayVerificationWarningDialog(final Contact contact, final Invite invite) {
 944        AlertDialog.Builder builder = new AlertDialog.Builder(this);
 945        builder.setTitle(R.string.verify_omemo_keys);
 946        View view = getLayoutInflater().inflate(R.layout.dialog_verify_fingerprints, null);
 947        final CheckBox isTrustedSource = view.findViewById(R.id.trusted_source);
 948        TextView warning = view.findViewById(R.id.warning);
 949        warning.setText(JidDialog.style(this, R.string.verifying_omemo_keys_trusted_source, contact.getJid().asBareJid().toEscapedString(), contact.getDisplayName()));
 950        builder.setView(view);
 951        builder.setPositiveButton(R.string.confirm, (dialog, which) -> {
 952            if (isTrustedSource.isChecked() && invite.hasFingerprints()) {
 953                xmppConnectionService.verifyFingerprints(contact, invite.getFingerprints());
 954            }
 955            switchToConversationDoNotAppend(contact, invite.getBody());
 956        });
 957        builder.setNegativeButton(R.string.cancel, (dialog, which) -> StartConversationActivity.this.finish());
 958        AlertDialog dialog = builder.create();
 959        dialog.setCanceledOnTouchOutside(false);
 960        dialog.setOnCancelListener(dialog1 -> StartConversationActivity.this.finish());
 961        dialog.show();
 962    }
 963
 964    protected void filter(String needle) {
 965        if (xmppConnectionServiceBound) {
 966            this.filterContacts(needle);
 967            this.filterConferences(needle);
 968        }
 969    }
 970
 971    protected void filterContacts(String needle) {
 972        this.contacts.clear();
 973        final List<Account> accounts = xmppConnectionService.getAccounts();
 974        for (final Account account : accounts) {
 975            if (account.isEnabled()) {
 976                for (Contact contact : account.getRoster().getContacts()) {
 977                    Presence.Status s = contact.getShownStatus();
 978                    if (contact.showInContactList() && contact.match(this, needle)
 979                            && (!this.mHideOfflineContacts
 980                            || (needle != null && !needle.trim().isEmpty())
 981                            || s.compareTo(Presence.Status.OFFLINE) < 0)) {
 982                        this.contacts.add(contact);
 983                    }
 984                }
 985            }
 986        }
 987        Collections.sort(this.contacts);
 988        mContactsAdapter.notifyDataSetChanged();
 989    }
 990
 991    protected void filterConferences(String needle) {
 992        this.conferences.clear();
 993        for (final Account account : xmppConnectionService.getAccounts()) {
 994            if (account.isEnabled()) {
 995                for (final Bookmark bookmark : account.getBookmarks()) {
 996                    if (bookmark.match(this, needle)) {
 997                        this.conferences.add(bookmark);
 998                    }
 999                }
1000            }
1001        }
1002        Collections.sort(this.conferences);
1003        mConferenceAdapter.notifyDataSetChanged();
1004    }
1005
1006    @Override
1007    public void OnUpdateBlocklist(final Status status) {
1008        refreshUi();
1009    }
1010
1011    @Override
1012    protected void refreshUiReal() {
1013        if (mSearchEditText != null) {
1014            filter(mSearchEditText.getText().toString());
1015        }
1016        configureHomeButton();
1017        if (QuickConversationsService.isQuicksy()) {
1018            setRefreshing(xmppConnectionService.getQuickConversationsService().isSynchronizing());
1019        }
1020    }
1021
1022    @Override
1023    public void onBackPressed() {
1024        if (binding.speedDial.isOpen()) {
1025            binding.speedDial.close();
1026            return;
1027        }
1028        navigateBack();
1029    }
1030
1031    private void navigateBack() {
1032        if (!createdByViewIntent && xmppConnectionService != null && !xmppConnectionService.isConversationsListEmpty(null)) {
1033            Intent intent = new Intent(this, ConversationsActivity.class);
1034            intent.addFlags(Intent.FLAG_ACTIVITY_NO_ANIMATION);
1035            startActivity(intent);
1036        }
1037        finish();
1038    }
1039
1040    @Override
1041    public void onCreateDialogPositiveClick(Spinner spinner, String name) {
1042        if (!xmppConnectionServiceBound) {
1043            return;
1044        }
1045        final Account account = getSelectedAccount(this, spinner);
1046        if (account == null) {
1047            return;
1048        }
1049        Intent intent = new Intent(getApplicationContext(), ChooseContactActivity.class);
1050        intent.putExtra(ChooseContactActivity.EXTRA_SHOW_ENTER_JID, false);
1051        intent.putExtra(ChooseContactActivity.EXTRA_SELECT_MULTIPLE, true);
1052        intent.putExtra(ChooseContactActivity.EXTRA_GROUP_CHAT_NAME, name.trim());
1053        intent.putExtra(ChooseContactActivity.EXTRA_ACCOUNT, account.getJid().asBareJid().toEscapedString());
1054        intent.putExtra(ChooseContactActivity.EXTRA_TITLE_RES_ID, R.string.choose_participants);
1055        startActivityForResult(intent, REQUEST_CREATE_CONFERENCE);
1056    }
1057
1058    @Override
1059    public void onJoinDialogPositiveClick(Dialog dialog, Spinner spinner, TextInputLayout layout, AutoCompleteTextView jid, boolean isBookmarkChecked) {
1060        if (!xmppConnectionServiceBound) {
1061            return;
1062        }
1063        final Account account = getSelectedAccount(this, spinner);
1064        if (account == null) {
1065            return;
1066        }
1067        final String input = jid.getText().toString().trim();
1068        Jid conferenceJid;
1069        try {
1070            conferenceJid = Jid.ofEscaped(input);
1071        } catch (final IllegalArgumentException e) {
1072            final XmppUri xmppUri = new XmppUri(input);
1073            if (xmppUri.isValidJid() && xmppUri.isAction(XmppUri.ACTION_JOIN)) {
1074                final Editable editable = jid.getEditableText();
1075                editable.clear();
1076                editable.append(xmppUri.getJid().toEscapedString());
1077                conferenceJid = xmppUri.getJid();
1078            } else {
1079                layout.setError(getString(R.string.invalid_jid));
1080                return;
1081            }
1082        }
1083
1084        if (isBookmarkChecked) {
1085            Bookmark bookmark = account.getBookmark(conferenceJid);
1086            if (bookmark != null) {
1087                dialog.dismiss();
1088                openConversationsForBookmark(bookmark);
1089            } else {
1090                bookmark = new Bookmark(account, conferenceJid.asBareJid());
1091                bookmark.setAutojoin(getBooleanPreference("autojoin", R.bool.autojoin));
1092                final String nick = conferenceJid.getResource();
1093                if (nick != null && !nick.isEmpty() && !nick.equals(MucOptions.defaultNick(account))) {
1094                    bookmark.setNick(nick);
1095                }
1096                xmppConnectionService.createBookmark(account, bookmark);
1097                final Conversation conversation = xmppConnectionService
1098                        .findOrCreateConversation(account, conferenceJid, true, true, true);
1099                bookmark.setConversation(conversation);
1100                dialog.dismiss();
1101                switchToConversation(conversation);
1102            }
1103        } else {
1104            final Conversation conversation = xmppConnectionService
1105                    .findOrCreateConversation(account, conferenceJid, true, true, true);
1106            dialog.dismiss();
1107            switchToConversation(conversation);
1108        }
1109    }
1110
1111    @Override
1112    public void onConversationUpdate() {
1113        refreshUi();
1114    }
1115
1116    @Override
1117    public void onRefresh() {
1118        Log.d(Config.LOGTAG, "user requested to refresh");
1119        if (QuickConversationsService.isQuicksy() && xmppConnectionService != null) {
1120            xmppConnectionService.getQuickConversationsService().considerSyncBackground(true);
1121        }
1122    }
1123
1124
1125    private void setRefreshing(boolean refreshing) {
1126        MyListFragment fragment = (MyListFragment) mListPagerAdapter.getItem(0);
1127        if (fragment != null) {
1128            fragment.setRefreshing(refreshing);
1129        }
1130    }
1131
1132    @Override
1133    public void onCreatePublicChannel(Account account, String name, Jid address) {
1134        mToast = Toast.makeText(this, R.string.creating_channel, Toast.LENGTH_LONG);
1135        mToast.show();
1136        xmppConnectionService.createPublicChannel(account, name, address, new UiCallback<Conversation>() {
1137            @Override
1138            public void success(Conversation conversation) {
1139                runOnUiThread(() -> {
1140                    hideToast();
1141                    switchToConversation(conversation);
1142                });
1143
1144            }
1145
1146            @Override
1147            public void error(int errorCode, Conversation conversation) {
1148                runOnUiThread(() -> {
1149                    replaceToast(getString(errorCode));
1150                    switchToConversation(conversation);
1151                });
1152            }
1153
1154            @Override
1155            public void userInputRequired(PendingIntent pi, Conversation object) {
1156
1157            }
1158        });
1159    }
1160
1161    public static class MyListFragment extends SwipeRefreshListFragment {
1162        private AdapterView.OnItemClickListener mOnItemClickListener;
1163        private int mResContextMenu;
1164
1165        public void setContextMenu(final int res) {
1166            this.mResContextMenu = res;
1167        }
1168
1169        @Override
1170        public void onListItemClick(final ListView l, final View v, final int position, final long id) {
1171            if (mOnItemClickListener != null) {
1172                mOnItemClickListener.onItemClick(l, v, position, id);
1173            }
1174        }
1175
1176        public void setOnListItemClickListener(AdapterView.OnItemClickListener l) {
1177            this.mOnItemClickListener = l;
1178        }
1179
1180        @Override
1181        public void onViewCreated(@NonNull final View view, final Bundle savedInstanceState) {
1182            super.onViewCreated(view, savedInstanceState);
1183            registerForContextMenu(getListView());
1184            getListView().setFastScrollEnabled(true);
1185            getListView().setDivider(null);
1186            getListView().setDividerHeight(0);
1187        }
1188
1189        @Override
1190        public void onCreateContextMenu(final ContextMenu menu, final View v, final ContextMenuInfo menuInfo) {
1191            super.onCreateContextMenu(menu, v, menuInfo);
1192            final StartConversationActivity activity = (StartConversationActivity) getActivity();
1193            if (activity == null) {
1194                return;
1195            }
1196            activity.getMenuInflater().inflate(mResContextMenu, menu);
1197            final AdapterView.AdapterContextMenuInfo acmi = (AdapterContextMenuInfo) menuInfo;
1198            if (mResContextMenu == R.menu.conference_context) {
1199                activity.conference_context_id = acmi.position;
1200                final Bookmark bookmark = (Bookmark) activity.conferences.get(acmi.position);
1201                final Conversation conversation = bookmark.getConversation();
1202                final MenuItem share = menu.findItem(R.id.context_share_uri);
1203                share.setVisible(conversation == null || !conversation.isPrivateAndNonAnonymous());
1204            } else if (mResContextMenu == R.menu.contact_context) {
1205                activity.contact_context_id = acmi.position;
1206                final Contact contact = (Contact) activity.contacts.get(acmi.position);
1207                final MenuItem blockUnblockItem = menu.findItem(R.id.context_contact_block_unblock);
1208                final MenuItem showContactDetailsItem = menu.findItem(R.id.context_contact_details);
1209                final MenuItem deleteContactMenuItem = menu.findItem(R.id.context_delete_contact);
1210                if (contact.isSelf()) {
1211                    showContactDetailsItem.setVisible(false);
1212                }
1213                deleteContactMenuItem.setVisible(contact.showInRoster() && !contact.getOption(Contact.Options.SYNCED_VIA_OTHER));
1214                final XmppConnection xmpp = contact.getAccount().getXmppConnection();
1215                if (xmpp != null && xmpp.getFeatures().blocking() && !contact.isSelf()) {
1216                    if (contact.isBlocked()) {
1217                        blockUnblockItem.setTitle(R.string.unblock_contact);
1218                    } else {
1219                        blockUnblockItem.setTitle(R.string.block_contact);
1220                    }
1221                } else {
1222                    blockUnblockItem.setVisible(false);
1223                }
1224            }
1225        }
1226
1227        @Override
1228        public boolean onContextItemSelected(final MenuItem item) {
1229            StartConversationActivity activity = (StartConversationActivity) getActivity();
1230            if (activity == null) {
1231                return true;
1232            }
1233            switch (item.getItemId()) {
1234                case R.id.context_contact_details:
1235                    activity.openDetailsForContact();
1236                    break;
1237                case R.id.context_show_qr:
1238                    activity.showQrForContact();
1239                    break;
1240                case R.id.context_contact_block_unblock:
1241                    activity.toggleContactBlock();
1242                    break;
1243                case R.id.context_delete_contact:
1244                    activity.deleteContact();
1245                    break;
1246                case R.id.context_share_uri:
1247                    activity.shareBookmarkUri();
1248                    break;
1249                case R.id.context_delete_conference:
1250                    activity.deleteConference();
1251            }
1252            return true;
1253        }
1254    }
1255
1256    public class ListPagerAdapter extends PagerAdapter {
1257        private final FragmentManager fragmentManager;
1258        private final MyListFragment[] fragments;
1259
1260        ListPagerAdapter(FragmentManager fm) {
1261            fragmentManager = fm;
1262            fragments = new MyListFragment[2];
1263        }
1264
1265        public void requestFocus(int pos) {
1266            if (fragments.length > pos) {
1267                fragments[pos].getListView().requestFocus();
1268            }
1269        }
1270
1271        @Override
1272        public void destroyItem(@NonNull ViewGroup container, int position, @NonNull Object object) {
1273            FragmentTransaction trans = fragmentManager.beginTransaction();
1274            trans.remove(fragments[position]);
1275            trans.commit();
1276            fragments[position] = null;
1277        }
1278
1279        @NonNull
1280        @Override
1281        public Fragment instantiateItem(@NonNull ViewGroup container, int position) {
1282            final Fragment fragment = getItem(position);
1283            final FragmentTransaction trans = fragmentManager.beginTransaction();
1284            trans.add(container.getId(), fragment, "fragment:" + position);
1285            try {
1286                trans.commit();
1287            } catch (IllegalStateException e) {
1288                //ignore
1289            }
1290            return fragment;
1291        }
1292
1293        @Override
1294        public int getCount() {
1295            return fragments.length;
1296        }
1297
1298        @Override
1299        public boolean isViewFromObject(@NonNull View view, @NonNull Object fragment) {
1300            return ((Fragment) fragment).getView() == view;
1301        }
1302
1303        @Nullable
1304        @Override
1305        public CharSequence getPageTitle(int position) {
1306            switch (position) {
1307                case 0:
1308                    return getResources().getString(R.string.contacts);
1309                case 1:
1310                    return getResources().getString(R.string.group_chats);
1311                default:
1312                    return super.getPageTitle(position);
1313            }
1314        }
1315
1316        Fragment getItem(int position) {
1317            if (fragments[position] == null) {
1318                final MyListFragment listFragment = new MyListFragment();
1319                if (position == 1) {
1320                    listFragment.setListAdapter(mConferenceAdapter);
1321                    listFragment.setContextMenu(R.menu.conference_context);
1322                    listFragment.setOnListItemClickListener((arg0, arg1, p, arg3) -> openConversationForBookmark(p));
1323                } else {
1324                    listFragment.setListAdapter(mContactsAdapter);
1325                    listFragment.setContextMenu(R.menu.contact_context);
1326                    listFragment.setOnListItemClickListener((arg0, arg1, p, arg3) -> openConversationForContact(p));
1327                    if (QuickConversationsService.isQuicksy()) {
1328                        listFragment.setOnRefreshListener(StartConversationActivity.this);
1329                    }
1330                }
1331                fragments[position] = listFragment;
1332            }
1333            return fragments[position];
1334        }
1335    }
1336
1337    public static void addInviteUri(Intent to, Intent from) {
1338        if (from != null && from.hasExtra(EXTRA_INVITE_URI)) {
1339            final String invite = from.getStringExtra(EXTRA_INVITE_URI);
1340            to.putExtra(EXTRA_INVITE_URI, invite);
1341        }
1342    }
1343
1344    private class Invite extends XmppUri {
1345
1346        public String account;
1347
1348        boolean forceDialog = false;
1349
1350
1351        Invite(final String uri) {
1352            super(uri);
1353        }
1354
1355        Invite(Uri uri, boolean safeSource) {
1356            super(uri, safeSource);
1357        }
1358
1359        boolean invite() {
1360            if (!isValidJid()) {
1361                Toast.makeText(StartConversationActivity.this, R.string.invalid_jid, Toast.LENGTH_SHORT).show();
1362                return false;
1363            }
1364            if (getJid() != null) {
1365                return handleJid(this);
1366            }
1367            return false;
1368        }
1369    }
1370}