ConversationFragment.java

   1package eu.siacs.conversations.ui;
   2
   3import static eu.siacs.conversations.ui.XmppActivity.EXTRA_ACCOUNT;
   4import static eu.siacs.conversations.ui.XmppActivity.REQUEST_INVITE_TO_CONVERSATION;
   5import static eu.siacs.conversations.ui.util.SoftKeyboardUtils.hideSoftKeyboard;
   6import static eu.siacs.conversations.utils.PermissionUtils.allGranted;
   7import static eu.siacs.conversations.utils.PermissionUtils.audioGranted;
   8import static eu.siacs.conversations.utils.PermissionUtils.cameraGranted;
   9import static eu.siacs.conversations.utils.PermissionUtils.getFirstDenied;
  10import static eu.siacs.conversations.utils.PermissionUtils.writeGranted;
  11
  12import android.Manifest;
  13import android.annotation.SuppressLint;
  14import android.app.Activity;
  15import android.app.DatePickerDialog;
  16import android.app.Fragment;
  17import android.app.FragmentManager;
  18import android.app.PendingIntent;
  19import android.app.TimePickerDialog;
  20import android.content.ActivityNotFoundException;
  21import android.content.Context;
  22import android.content.DialogInterface;
  23import android.content.Intent;
  24import android.content.IntentSender.SendIntentException;
  25import android.content.SharedPreferences;
  26import android.content.pm.PackageManager;
  27import android.content.res.ColorStateList;
  28import android.graphics.Color;
  29import android.icu.util.Calendar;
  30import android.icu.util.TimeZone;
  31import android.net.Uri;
  32import android.os.Build;
  33import android.os.Bundle;
  34import android.os.Environment;
  35import android.os.Handler;
  36import android.os.Looper;
  37import android.os.storage.StorageManager;
  38import android.os.SystemClock;
  39import android.preference.PreferenceManager;
  40import android.provider.MediaStore;
  41import android.text.Editable;
  42import android.text.TextUtils;
  43import android.text.TextWatcher;
  44import android.text.SpannableStringBuilder;
  45import android.text.style.ImageSpan;
  46import android.util.DisplayMetrics;
  47import android.util.Log;
  48import android.view.ContextMenu;
  49import android.view.ContextMenu.ContextMenuInfo;
  50import android.view.Gravity;
  51import android.view.LayoutInflater;
  52import android.view.Menu;
  53import android.view.MenuInflater;
  54import android.view.MenuItem;
  55import android.view.MotionEvent;
  56import android.view.View;
  57import android.view.View.OnClickListener;
  58import android.view.ViewGroup;
  59import android.view.inputmethod.EditorInfo;
  60import android.view.inputmethod.InputMethodManager;
  61import android.view.WindowManager;
  62import android.widget.AbsListView;
  63import android.widget.AbsListView.OnScrollListener;
  64import android.widget.AdapterView;
  65import android.widget.AdapterView.AdapterContextMenuInfo;
  66import android.widget.CheckBox;
  67import android.widget.ListView;
  68import android.widget.PopupMenu;
  69import android.widget.PopupWindow;
  70import android.widget.TextView.OnEditorActionListener;
  71import android.widget.Toast;
  72
  73import androidx.activity.OnBackPressedCallback;
  74import androidx.annotation.IdRes;
  75import androidx.annotation.NonNull;
  76import androidx.annotation.Nullable;
  77import androidx.annotation.StringRes;
  78import androidx.appcompat.app.AlertDialog;
  79import androidx.core.content.pm.ShortcutInfoCompat;
  80import androidx.core.content.pm.ShortcutManagerCompat;
  81import androidx.core.graphics.ColorUtils;
  82import androidx.core.view.inputmethod.InputConnectionCompat;
  83import androidx.core.view.inputmethod.InputContentInfoCompat;
  84import androidx.databinding.DataBindingUtil;
  85import androidx.documentfile.provider.DocumentFile;
  86import androidx.recyclerview.widget.RecyclerView.Adapter;
  87import androidx.viewpager.widget.PagerAdapter;
  88import androidx.viewpager.widget.ViewPager;
  89
  90import com.cheogram.android.BobTransfer;
  91import com.cheogram.android.EmojiSearch;
  92import com.cheogram.android.EditMessageSelectionActionModeCallback;
  93import com.cheogram.android.WebxdcPage;
  94import com.cheogram.android.WebxdcStore;
  95
  96import com.google.android.material.color.MaterialColors;
  97import com.google.android.material.dialog.MaterialAlertDialogBuilder;
  98import com.google.common.base.Optional;
  99import com.google.common.collect.Collections2;
 100import com.google.common.collect.ImmutableList;
 101import com.google.common.collect.ImmutableSet;
 102import com.google.common.collect.Lists;
 103import com.google.common.collect.Ordering;
 104import com.google.common.io.Files;
 105import com.google.common.util.concurrent.Futures;
 106import com.google.common.util.concurrent.FutureCallback;
 107import com.google.common.util.concurrent.MoreExecutors;
 108
 109import com.otaliastudios.autocomplete.Autocomplete;
 110import com.otaliastudios.autocomplete.AutocompleteCallback;
 111import com.otaliastudios.autocomplete.AutocompletePresenter;
 112import com.otaliastudios.autocomplete.CharPolicy;
 113import com.otaliastudios.autocomplete.RecyclerViewPresenter;
 114
 115import org.jetbrains.annotations.NotNull;
 116
 117import io.ipfs.cid.Cid;
 118
 119import java.io.File;
 120import java.net.URISyntaxException;
 121import java.util.AbstractMap;
 122import java.util.ArrayList;
 123import java.util.Arrays;
 124import java.util.Collection;
 125import java.util.Collections;
 126import java.util.HashSet;
 127import java.util.Iterator;
 128import java.util.List;
 129import java.util.Locale;
 130import java.util.Map;
 131import java.util.Set;
 132import java.util.UUID;
 133import java.util.concurrent.atomic.AtomicBoolean;
 134import java.util.regex.Matcher;
 135import java.util.regex.Pattern;
 136import java.util.stream.Collectors;
 137
 138import com.google.common.collect.Iterables;
 139import de.gultsch.common.Linkify;
 140import de.gultsch.common.Patterns;
 141import eu.siacs.conversations.Config;
 142import eu.siacs.conversations.R;
 143import eu.siacs.conversations.crypto.axolotl.AxolotlService;
 144import eu.siacs.conversations.crypto.axolotl.FingerprintStatus;
 145import eu.siacs.conversations.databinding.FragmentConversationBinding;
 146import eu.siacs.conversations.entities.Account;
 147import eu.siacs.conversations.entities.Blockable;
 148import eu.siacs.conversations.entities.Contact;
 149import eu.siacs.conversations.entities.Conversation;
 150import eu.siacs.conversations.entities.Conversational;
 151import eu.siacs.conversations.entities.DownloadableFile;
 152import eu.siacs.conversations.entities.Message;
 153import eu.siacs.conversations.entities.MucOptions;
 154import eu.siacs.conversations.entities.MucOptions.User;
 155import eu.siacs.conversations.entities.Presences;
 156import eu.siacs.conversations.entities.ReadByMarker;
 157import eu.siacs.conversations.entities.Transferable;
 158import eu.siacs.conversations.entities.TransferablePlaceholder;
 159import eu.siacs.conversations.http.HttpDownloadConnection;
 160import eu.siacs.conversations.persistance.FileBackend;
 161import eu.siacs.conversations.services.CallIntegrationConnectionService;
 162import eu.siacs.conversations.services.MessageArchiveService;
 163import eu.siacs.conversations.services.QuickConversationsService;
 164import eu.siacs.conversations.services.XmppConnectionService;
 165import eu.siacs.conversations.ui.adapter.CommandAdapter;
 166import eu.siacs.conversations.ui.adapter.MediaPreviewAdapter;
 167import eu.siacs.conversations.ui.adapter.MessageAdapter;
 168import eu.siacs.conversations.ui.adapter.UserAdapter;
 169import eu.siacs.conversations.ui.util.ActivityResult;
 170import eu.siacs.conversations.ui.util.Attachment;
 171import eu.siacs.conversations.ui.util.ConversationMenuConfigurator;
 172import eu.siacs.conversations.ui.util.DateSeparator;
 173import eu.siacs.conversations.ui.util.EditMessageActionModeCallback;
 174import eu.siacs.conversations.ui.util.ListViewUtils;
 175import eu.siacs.conversations.ui.util.MenuDoubleTabUtil;
 176import eu.siacs.conversations.ui.util.MucDetailsContextMenuHelper;
 177import eu.siacs.conversations.ui.util.PendingItem;
 178import eu.siacs.conversations.ui.util.PresenceSelector;
 179import eu.siacs.conversations.ui.util.ScrollState;
 180import eu.siacs.conversations.ui.util.SendButtonAction;
 181import eu.siacs.conversations.ui.util.SendButtonTool;
 182import eu.siacs.conversations.ui.util.ShareUtil;
 183import eu.siacs.conversations.ui.util.ViewUtil;
 184import eu.siacs.conversations.ui.widget.EditMessage;
 185import eu.siacs.conversations.utils.AccountUtils;
 186import eu.siacs.conversations.utils.Compatibility;
 187import eu.siacs.conversations.utils.Emoticons;
 188import eu.siacs.conversations.utils.GeoHelper;
 189import eu.siacs.conversations.utils.MessageUtils;
 190import eu.siacs.conversations.utils.MimeUtils;
 191import eu.siacs.conversations.utils.NickValidityChecker;
 192import eu.siacs.conversations.utils.PermissionUtils;
 193import eu.siacs.conversations.utils.QuickLoader;
 194import eu.siacs.conversations.utils.StylingHelper;
 195import eu.siacs.conversations.utils.TimeFrameUtils;
 196import eu.siacs.conversations.utils.UIHelper;
 197import eu.siacs.conversations.xml.Element;
 198import eu.siacs.conversations.xml.Namespace;
 199import eu.siacs.conversations.xmpp.Jid;
 200import eu.siacs.conversations.xmpp.XmppConnection;
 201import eu.siacs.conversations.xmpp.chatstate.ChatState;
 202import eu.siacs.conversations.xmpp.jingle.AbstractJingleConnection;
 203import eu.siacs.conversations.xmpp.jingle.JingleConnectionManager;
 204import eu.siacs.conversations.xmpp.jingle.JingleFileTransferConnection;
 205import eu.siacs.conversations.xmpp.jingle.Media;
 206import eu.siacs.conversations.xmpp.jingle.OngoingRtpSession;
 207import eu.siacs.conversations.xmpp.jingle.RtpCapability;
 208import eu.siacs.conversations.xmpp.jingle.RtpEndUserState;
 209import eu.siacs.conversations.xmpp.manager.BookmarkManager;
 210import eu.siacs.conversations.xmpp.manager.DiscoManager;
 211
 212import im.conversations.android.xmpp.Entity;
 213import im.conversations.android.xmpp.model.disco.info.InfoQuery;
 214import im.conversations.android.xmpp.model.disco.items.Item;
 215import im.conversations.android.xmpp.model.muc.Affiliation;
 216import im.conversations.android.xmpp.model.muc.Role;
 217import im.conversations.android.xmpp.model.stanza.Iq;
 218
 219import org.jetbrains.annotations.NotNull;
 220import eu.siacs.conversations.xmpp.manager.HttpUploadManager;
 221import eu.siacs.conversations.xmpp.manager.MultiUserChatManager;
 222import eu.siacs.conversations.xmpp.manager.PresenceManager;
 223import im.conversations.android.xmpp.model.stanza.Presence;
 224import java.util.ArrayList;
 225import java.util.Arrays;
 226import java.util.Collection;
 227import java.util.Collections;
 228import java.util.HashSet;
 229import java.util.Iterator;
 230import java.util.List;
 231import java.util.Objects;
 232import java.util.Set;
 233import java.util.UUID;
 234import java.util.concurrent.atomic.AtomicBoolean;
 235
 236public class ConversationFragment extends XmppFragment
 237        implements EditMessage.KeyboardListener,
 238                MessageAdapter.OnContactPictureLongClicked,
 239                MessageAdapter.OnContactPictureClicked,
 240                MessageAdapter.OnInlineImageLongClicked {
 241
 242    public static final int REQUEST_SEND_MESSAGE = 0x0201;
 243    public static final int REQUEST_DECRYPT_PGP = 0x0202;
 244    public static final int REQUEST_ENCRYPT_MESSAGE = 0x0207;
 245    public static final int REQUEST_TRUST_KEYS_TEXT = 0x0208;
 246    public static final int REQUEST_TRUST_KEYS_ATTACHMENTS = 0x0209;
 247    public static final int REQUEST_START_DOWNLOAD = 0x0210;
 248    public static final int REQUEST_ADD_EDITOR_CONTENT = 0x0211;
 249    public static final int REQUEST_COMMIT_ATTACHMENTS = 0x0212;
 250    public static final int REQUEST_START_AUDIO_CALL = 0x213;
 251    public static final int REQUEST_START_VIDEO_CALL = 0x214;
 252    public static final int REQUEST_SAVE_STICKER = 0x215;
 253    public static final int REQUEST_WEBXDC_STORE = 0x216;
 254    public static final int ATTACHMENT_CHOICE_CHOOSE_IMAGE = 0x0301;
 255    public static final int ATTACHMENT_CHOICE_TAKE_PHOTO = 0x0302;
 256    public static final int ATTACHMENT_CHOICE_CHOOSE_FILE = 0x0303;
 257    public static final int ATTACHMENT_CHOICE_RECORD_VOICE = 0x0304;
 258    public static final int ATTACHMENT_CHOICE_LOCATION = 0x0305;
 259    public static final int ATTACHMENT_CHOICE_INVALID = 0x0306;
 260    public static final int ATTACHMENT_CHOICE_RECORD_VIDEO = 0x0307;
 261
 262    public static final String RECENTLY_USED_QUICK_ACTION = "recently_used_quick_action";
 263    public static final String STATE_CONVERSATION_UUID =
 264            ConversationFragment.class.getName() + ".uuid";
 265    public static final String STATE_SCROLL_POSITION =
 266            ConversationFragment.class.getName() + ".scroll_position";
 267    public static final String STATE_PHOTO_URI =
 268            ConversationFragment.class.getName() + ".media_previews";
 269    public static final String STATE_MEDIA_PREVIEWS =
 270            ConversationFragment.class.getName() + ".take_photo_uri";
 271    private static final String STATE_LAST_MESSAGE_UUID = "state_last_message_uuid";
 272
 273    private final List<Message> messageList = new ArrayList<>();
 274    private final PendingItem<ActivityResult> postponedActivityResult = new PendingItem<>();
 275    private final PendingItem<String> pendingConversationsUuid = new PendingItem<>();
 276    private final PendingItem<ArrayList<Attachment>> pendingMediaPreviews = new PendingItem<>();
 277    private final PendingItem<Bundle> pendingExtras = new PendingItem<>();
 278    private final PendingItem<Uri> pendingTakePhotoUri = new PendingItem<>();
 279    private final PendingItem<ScrollState> pendingScrollState = new PendingItem<>();
 280    private final PendingItem<String> pendingLastMessageUuid = new PendingItem<>();
 281    private final PendingItem<Message> pendingMessage = new PendingItem<>();
 282    public Uri mPendingEditorContent = null;
 283    protected ArrayList<WebxdcPage> extensions = new ArrayList<>();
 284    protected MessageAdapter messageListAdapter;
 285    protected CommandAdapter commandAdapter;
 286    private MediaPreviewAdapter mediaPreviewAdapter;
 287    private String lastMessageUuid = null;
 288    private Conversation conversation;
 289    private FragmentConversationBinding binding;
 290    private Toast messageLoaderToast;
 291    private ConversationsActivity activity;
 292    private boolean reInitRequiredOnStart = true;
 293    private int identiconWidth = -1;
 294    private File savingAsSticker = null;
 295    private EmojiSearch emojiSearch = null;
 296    private final OnClickListener clickToMuc =
 297            new OnClickListener() {
 298
 299                @Override
 300                public void onClick(View v) {
 301                    ConferenceDetailsActivity.open(getActivity(), conversation);
 302                }
 303            };
 304    private final OnClickListener leaveMuc =
 305            new OnClickListener() {
 306
 307                @Override
 308                public void onClick(View v) {
 309                    activity.xmppConnectionService.archiveConversation(conversation);
 310                }
 311            };
 312    private final OnClickListener joinMuc =
 313            new OnClickListener() {
 314
 315                @Override
 316                public void onClick(View v) {
 317                    activity.xmppConnectionService.joinMuc(conversation);
 318                }
 319            };
 320
 321    private final OnClickListener acceptJoin =
 322            new OnClickListener() {
 323                @Override
 324                public void onClick(View v) {
 325                    conversation.setAttribute("accept_non_anonymous", true);
 326                    activity.xmppConnectionService.updateConversation(conversation);
 327                    activity.xmppConnectionService.joinMuc(conversation);
 328                }
 329            };
 330
 331    private final OnClickListener enterPassword =
 332            new OnClickListener() {
 333
 334                @Override
 335                public void onClick(View v) {
 336                    MucOptions muc = conversation.getMucOptions();
 337                    String password = muc.getPassword();
 338                    if (password == null) {
 339                        password = "";
 340                    }
 341                    activity.quickPasswordEdit(
 342                            password,
 343                            value -> {
 344                                activity.xmppConnectionService.providePasswordForMuc(
 345                                        conversation, value);
 346                                return null;
 347                            });
 348                }
 349            };
 350    private final OnScrollListener mOnScrollListener =
 351            new OnScrollListener() {
 352
 353                @Override
 354                public void onScrollStateChanged(AbsListView view, int scrollState) {
 355                    if (AbsListView.OnScrollListener.SCROLL_STATE_IDLE == scrollState) {
 356                        updateThreadFromLastMessage();
 357                        fireReadEvent();
 358                    }
 359                }
 360
 361                @Override
 362                public void onScroll(
 363                        final AbsListView view,
 364                        int firstVisibleItem,
 365                        int visibleItemCount,
 366                        int totalItemCount) {
 367                    toggleScrollDownButton(view);
 368                    synchronized (ConversationFragment.this.messageList) {
 369                        if (firstVisibleItem < 5
 370                                && conversation != null
 371                                && conversation.messagesLoaded.compareAndSet(true, false)
 372                                && messageList.size() > 0) {
 373                            long timestamp = conversation.loadMoreTimestamp();
 374                            activity.xmppConnectionService.loadMoreMessages(
 375                                    conversation,
 376                                    timestamp,
 377                                    new XmppConnectionService.OnMoreMessagesLoaded() {
 378                                        @Override
 379                                        public void onMoreMessagesLoaded(
 380                                                final int c, final Conversation conversation) {
 381                                            if (ConversationFragment.this.conversation
 382                                                    != conversation) {
 383                                                conversation.messagesLoaded.set(true);
 384                                                return;
 385                                            }
 386                                            runOnUiThread(
 387                                                    () -> {
 388                                                        synchronized (messageList) {
 389                                                            final int oldPosition =
 390                                                                    binding.messagesView
 391                                                                            .getFirstVisiblePosition();
 392                                                            Message message = null;
 393                                                            int childPos;
 394                                                            for (childPos = 0;
 395                                                                    childPos + oldPosition
 396                                                                            < messageList.size();
 397                                                                    ++childPos) {
 398                                                                message =
 399                                                                        messageList.get(
 400                                                                                oldPosition
 401                                                                                        + childPos);
 402                                                                if (message.getType()
 403                                                                        != Message.TYPE_STATUS) {
 404                                                                    break;
 405                                                                }
 406                                                            }
 407                                                            final String uuid =
 408                                                                    message != null
 409                                                                            ? message.getUuid()
 410                                                                            : null;
 411                                                            View v =
 412                                                                    binding.messagesView.getChildAt(
 413                                                                            childPos);
 414                                                            final int pxOffset =
 415                                                                    (v == null) ? 0 : v.getTop();
 416                                                            ConversationFragment.this.conversation
 417                                                                    .populateWithMessages(
 418                                                                            ConversationFragment
 419                                                                                    .this
 420                                                                                    .messageList, activity == null ? null : activity.xmppConnectionService);
 421                                                            try {
 422                                                                updateStatusMessages();
 423                                                            } catch (IllegalStateException e) {
 424                                                                Log.d(
 425                                                                        Config.LOGTAG,
 426                                                                        "caught illegal state"
 427                                                                                + " exception while"
 428                                                                                + " updating status"
 429                                                                                + " messages");
 430                                                            }
 431                                                            messageListAdapter
 432                                                                    .notifyDataSetChanged();
 433                                                            int pos =
 434                                                                    Math.max(
 435                                                                            getIndexOf(
 436                                                                                    uuid,
 437                                                                                    messageList),
 438                                                                            0);
 439                                                            binding.messagesView
 440                                                                    .setSelectionFromTop(
 441                                                                            pos, pxOffset);
 442                                                            if (messageLoaderToast != null) {
 443                                                                messageLoaderToast.cancel();
 444                                                            }
 445                                                            conversation.messagesLoaded.set(true);
 446                                                        }
 447                                                    });
 448                                        }
 449
 450                                        @Override
 451                                        public void informUser(final int resId) {
 452
 453                                            runOnUiThread(
 454                                                    () -> {
 455                                                        if (messageLoaderToast != null) {
 456                                                            messageLoaderToast.cancel();
 457                                                        }
 458                                                        if (ConversationFragment.this.conversation
 459                                                                != conversation) {
 460                                                            return;
 461                                                        }
 462                                                        messageLoaderToast =
 463                                                                Toast.makeText(
 464                                                                        view.getContext(),
 465                                                                        resId,
 466                                                                        Toast.LENGTH_LONG);
 467                                                        messageLoaderToast.show();
 468                                                    });
 469                                        }
 470                                    });
 471                        }
 472                    }
 473                }
 474            };
 475    private final EditMessage.OnCommitContentListener mEditorContentListener =
 476            new EditMessage.OnCommitContentListener() {
 477                @Override
 478                public boolean onCommitContent(
 479                        InputContentInfoCompat inputContentInfo,
 480                        int flags,
 481                        Bundle opts,
 482                        String[] contentMimeTypes) {
 483                    // try to get permission to read the image, if applicable
 484                    if ((flags & InputConnectionCompat.INPUT_CONTENT_GRANT_READ_URI_PERMISSION)
 485                            != 0) {
 486                        try {
 487                            inputContentInfo.requestPermission();
 488                        } catch (Exception e) {
 489                            Log.e(
 490                                    Config.LOGTAG,
 491                                    "InputContentInfoCompat#requestPermission() failed.",
 492                                    e);
 493                            Toast.makeText(
 494                                            getActivity(),
 495                                            activity.getString(
 496                                                    R.string.no_permission_to_access_x,
 497                                                    inputContentInfo.getDescription()),
 498                                            Toast.LENGTH_LONG)
 499                                    .show();
 500                            return false;
 501                        }
 502                    }
 503                    if (hasPermissions(
 504                            REQUEST_ADD_EDITOR_CONTENT,
 505                            Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
 506                        attachEditorContentToConversation(inputContentInfo.getContentUri());
 507                    } else {
 508                        mPendingEditorContent = inputContentInfo.getContentUri();
 509                    }
 510                    return true;
 511                }
 512            };
 513    private Message selectedMessage;
 514    private final OnClickListener mEnableAccountListener =
 515            new OnClickListener() {
 516                @Override
 517                public void onClick(View v) {
 518                    final Account account = conversation == null ? null : conversation.getAccount();
 519                    if (account != null) {
 520                        account.setOption(Account.OPTION_SOFT_DISABLED, false);
 521                        account.setOption(Account.OPTION_DISABLED, false);
 522                        activity.xmppConnectionService.updateAccount(account);
 523                    }
 524                }
 525            };
 526    private final OnClickListener mUnblockClickListener =
 527            new OnClickListener() {
 528                @Override
 529                public void onClick(final View v) {
 530                    v.post(() -> v.setVisibility(View.INVISIBLE));
 531                    if (conversation.isDomainBlocked()) {
 532                        BlockContactDialog.show(activity, conversation);
 533                    } else {
 534                        unblockConversation(conversation);
 535                    }
 536                }
 537            };
 538    private final OnClickListener mBlockClickListener = this::showBlockSubmenu;
 539    private final OnClickListener mAddBackClickListener =
 540            new OnClickListener() {
 541
 542                @Override
 543                public void onClick(View v) {
 544                    final Contact contact = conversation == null ? null : conversation.getContact();
 545                    if (contact != null) {
 546                        activity.xmppConnectionService.createContact(contact);
 547                        activity.switchToContactDetails(contact);
 548                    }
 549                }
 550            };
 551    private final View.OnLongClickListener mLongPressBlockListener = this::showBlockSubmenu;
 552    private final OnClickListener mAllowPresenceSubscription =
 553            new OnClickListener() {
 554                @Override
 555                public void onClick(View v) {
 556                    final Contact contact = conversation == null ? null : conversation.getContact();
 557                    if (contact != null) {
 558                        final var connection = contact.getAccount().getXmppConnection();
 559                        connection
 560                                .getManager(PresenceManager.class)
 561                                .subscribed(contact.getJid().asBareJid());
 562                        hideSnackbar();
 563                    }
 564                }
 565            };
 566    protected OnClickListener clickToDecryptListener =
 567            new OnClickListener() {
 568
 569                @Override
 570                public void onClick(View v) {
 571                    PendingIntent pendingIntent =
 572                            conversation.getAccount().getPgpDecryptionService().getPendingIntent();
 573                    if (pendingIntent != null) {
 574                        try {
 575                            getActivity()
 576                                    .startIntentSenderForResult(
 577                                            pendingIntent.getIntentSender(),
 578                                            REQUEST_DECRYPT_PGP,
 579                                            null,
 580                                            0,
 581                                            0,
 582                                            0,
 583                                            Compatibility.pgpStartIntentSenderOptions());
 584                        } catch (SendIntentException e) {
 585                            Toast.makeText(
 586                                            getActivity(),
 587                                            R.string.unable_to_connect_to_keychain,
 588                                            Toast.LENGTH_SHORT)
 589                                    .show();
 590                            conversation
 591                                    .getAccount()
 592                                    .getPgpDecryptionService()
 593                                    .continueDecryption(true);
 594                        }
 595                    }
 596                    updateSnackBar(conversation);
 597                }
 598            };
 599    private final AtomicBoolean mSendingPgpMessage = new AtomicBoolean(false);
 600    private final OnEditorActionListener mEditorActionListener =
 601            (v, actionId, event) -> {
 602                if (actionId == EditorInfo.IME_ACTION_SEND) {
 603                    InputMethodManager imm =
 604                            (InputMethodManager)
 605                                    activity.getSystemService(Context.INPUT_METHOD_SERVICE);
 606                    if (imm != null && imm.isFullscreenMode()) {
 607                        imm.hideSoftInputFromWindow(v.getWindowToken(), 0);
 608                    }
 609                    sendMessage();
 610                    return true;
 611                } else {
 612                    return false;
 613                }
 614            };
 615    private final OnClickListener mScrollButtonListener =
 616            new OnClickListener() {
 617
 618                @Override
 619                public void onClick(View v) {
 620                    stopScrolling();
 621                    setSelection(binding.messagesView.getCount() - 1, true);
 622                }
 623            };
 624    private final OnClickListener mSendButtonListener =
 625            new OnClickListener() {
 626
 627                @Override
 628                public void onClick(View v) {
 629                    Object tag = v.getTag();
 630                    if (tag instanceof SendButtonAction action) {
 631                        switch (action) {
 632                            case TAKE_PHOTO:
 633                            case RECORD_VIDEO:
 634                            case SEND_LOCATION:
 635                            case RECORD_VOICE:
 636                            case CHOOSE_PICTURE:
 637                                attachFile(action.toChoice());
 638                                break;
 639                            case CANCEL:
 640                                if (conversation != null) {
 641                                    conversation.setUserSelectedThread(false);
 642                                    if (conversation.setCorrectingMessage(null)) {
 643                                        binding.textinput.setText("");
 644                                        binding.textinput.append(conversation.getDraftMessage());
 645                                        conversation.setDraftMessage(null);
 646                                    } else if (conversation.getMode() == Conversation.MODE_MULTI) {
 647                                        conversation.setNextCounterpart(null);
 648                                        binding.textinput.setText("");
 649                                    } else {
 650                                        binding.textinput.setText("");
 651                                    }
 652                                    binding.textinputSubject.setText("");
 653                                    binding.textinputSubject.setVisibility(View.GONE);
 654                                    updateChatMsgHint();
 655                                    updateSendButton();
 656                                    updateEditablity();
 657                                }
 658                                break;
 659                            default:
 660                                sendMessage();
 661                        }
 662                    } else {
 663                        sendMessage();
 664                    }
 665                }
 666            };
 667    private OnBackPressedCallback backPressedLeaveSingleThread = new OnBackPressedCallback(false) {
 668        @Override
 669        public void handleOnBackPressed() {
 670            conversation.setLockThread(false);
 671            this.setEnabled(false);
 672            conversation.setUserSelectedThread(false);
 673            setThread(null);
 674            refresh();
 675            updateThreadFromLastMessage();
 676        }
 677    };
 678    private int completionIndex = 0;
 679    private int lastCompletionLength = 0;
 680    private String incomplete;
 681    private int lastCompletionCursor;
 682    private boolean firstWord = false;
 683    private Message mPendingDownloadableMessage;
 684
 685    private static ConversationFragment findConversationFragment(Activity activity) {
 686        Fragment fragment = activity.getFragmentManager().findFragmentById(R.id.main_fragment);
 687        if (fragment instanceof ConversationFragment) {
 688            return (ConversationFragment) fragment;
 689        }
 690        fragment = activity.getFragmentManager().findFragmentById(R.id.secondary_fragment);
 691        if (fragment instanceof ConversationFragment) {
 692            return (ConversationFragment) fragment;
 693        }
 694        return null;
 695    }
 696
 697    public static void startStopPending(Activity activity) {
 698        ConversationFragment fragment = findConversationFragment(activity);
 699        if (fragment != null) {
 700            fragment.messageListAdapter.startStopPending();
 701        }
 702    }
 703
 704    public static void downloadFile(Activity activity, Message message) {
 705        ConversationFragment fragment = findConversationFragment(activity);
 706        if (fragment != null) {
 707            fragment.startDownloadable(message);
 708        }
 709    }
 710
 711    public static void registerPendingMessage(Activity activity, Message message) {
 712        ConversationFragment fragment = findConversationFragment(activity);
 713        if (fragment != null) {
 714            fragment.pendingMessage.push(message);
 715        }
 716    }
 717
 718    public static void openPendingMessage(Activity activity) {
 719        ConversationFragment fragment = findConversationFragment(activity);
 720        if (fragment != null) {
 721            Message message = fragment.pendingMessage.pop();
 722            if (message != null) {
 723                fragment.messageListAdapter.openDownloadable(message);
 724            }
 725        }
 726    }
 727
 728    public static Conversation getConversation(Activity activity) {
 729        return getConversation(activity, R.id.secondary_fragment);
 730    }
 731
 732    private static Conversation getConversation(Activity activity, @IdRes int res) {
 733        final Fragment fragment = activity.getFragmentManager().findFragmentById(res);
 734        if (fragment instanceof ConversationFragment) {
 735            return ((ConversationFragment) fragment).getConversation();
 736        } else {
 737            return null;
 738        }
 739    }
 740
 741    public static ConversationFragment get(Activity activity) {
 742        FragmentManager fragmentManager = activity.getFragmentManager();
 743        Fragment fragment = fragmentManager.findFragmentById(R.id.main_fragment);
 744        if (fragment instanceof ConversationFragment) {
 745            return (ConversationFragment) fragment;
 746        } else {
 747            fragment = fragmentManager.findFragmentById(R.id.secondary_fragment);
 748            return fragment instanceof ConversationFragment
 749                    ? (ConversationFragment) fragment
 750                    : null;
 751        }
 752    }
 753
 754    public static Conversation getConversationReliable(Activity activity) {
 755        final Conversation conversation = getConversation(activity, R.id.secondary_fragment);
 756        if (conversation != null) {
 757            return conversation;
 758        }
 759        return getConversation(activity, R.id.main_fragment);
 760    }
 761
 762    private static boolean scrolledToBottom(AbsListView listView) {
 763        final int count = listView.getCount();
 764        if (count == 0) {
 765            return true;
 766        } else if (listView.getLastVisiblePosition() == count - 1) {
 767            final View lastChild = listView.getChildAt(listView.getChildCount() - 1);
 768            return lastChild != null && lastChild.getBottom() <= listView.getHeight();
 769        } else {
 770            return false;
 771        }
 772    }
 773
 774    private void toggleScrollDownButton() {
 775        toggleScrollDownButton(binding.messagesView);
 776    }
 777
 778    private void toggleScrollDownButton(AbsListView listView) {
 779        if (conversation == null) {
 780            return;
 781        }
 782        if (scrolledToBottom(listView)) {
 783            lastMessageUuid = null;
 784            hideUnreadMessagesCount();
 785        } else {
 786            binding.scrollToBottomButton.setEnabled(true);
 787            binding.scrollToBottomButton.show();
 788            if (lastMessageUuid == null) {
 789                lastMessageUuid = conversation.getLatestMessage().getUuid();
 790            }
 791            if (conversation.getReceivedMessagesCountSinceUuid(lastMessageUuid) > 0) {
 792                binding.unreadCountCustomView.setVisibility(View.VISIBLE);
 793            }
 794        }
 795    }
 796
 797    private int getIndexOf(String uuid, List<Message> messages) {
 798        if (uuid == null) {
 799            return messages.size() - 1;
 800        }
 801        for (int i = 0; i < messages.size(); ++i) {
 802            if (uuid.equals(messages.get(i).getUuid())) {
 803                return i;
 804            }
 805        }
 806        return -1;
 807    }
 808
 809    private ScrollState getScrollPosition() {
 810        final ListView listView = this.binding == null ? null : this.binding.messagesView;
 811        if (listView == null
 812                || listView.getCount() == 0
 813                || listView.getLastVisiblePosition() == listView.getCount() - 1) {
 814            return null;
 815        } else {
 816            final int pos = listView.getFirstVisiblePosition();
 817            final View view = listView.getChildAt(0);
 818            if (view == null) {
 819                return null;
 820            } else {
 821                return new ScrollState(pos, view.getTop());
 822            }
 823        }
 824    }
 825
 826    private void setScrollPosition(ScrollState scrollPosition, String lastMessageUuid) {
 827        if (scrollPosition != null) {
 828
 829            this.lastMessageUuid = lastMessageUuid;
 830            if (lastMessageUuid != null) {
 831                binding.unreadCountCustomView.setUnreadCount(
 832                        conversation.getReceivedMessagesCountSinceUuid(lastMessageUuid));
 833            }
 834            // TODO maybe this needs a 'post'
 835            this.binding.messagesView.setSelectionFromTop(
 836                    scrollPosition.position, scrollPosition.offset);
 837            toggleScrollDownButton();
 838        }
 839    }
 840
 841    private void attachLocationToConversation(Conversation conversation, Uri uri) {
 842        if (conversation == null) {
 843            return;
 844        }
 845        final String subject = binding.textinputSubject.getText().toString();
 846        activity.xmppConnectionService.attachLocationToConversation(
 847                conversation,
 848                uri,
 849                subject,
 850                new UiCallback<Message>() {
 851
 852                    @Override
 853                    public void success(Message message) {
 854                        messageSent();
 855                    }
 856
 857                    @Override
 858                    public void error(int errorCode, Message object) {
 859                        // TODO show possible pgp error
 860                    }
 861
 862                    @Override
 863                    public void userInputRequired(PendingIntent pi, Message object) {}
 864                });
 865    }
 866
 867    private void attachFileToConversation(Conversation conversation, Uri uri, String type, Runnable next) {
 868        if (conversation == null) {
 869            return;
 870        }
 871        final String subject = binding.textinputSubject.getText().toString();
 872        if ("application/webxdc+zip".equals(type)) newSubThread();
 873        final Toast prepareFileToast =
 874                Toast.makeText(getActivity(), getText(R.string.preparing_file), Toast.LENGTH_LONG);
 875        prepareFileToast.show();
 876        activity.delegateUriPermissionsToService(uri);
 877        activity.xmppConnectionService.attachFileToConversation(
 878                conversation,
 879                uri,
 880                type,
 881                subject,
 882                new UiInformableCallback<Message>() {
 883                    @Override
 884                    public void inform(final String text) {
 885                        hidePrepareFileToast(prepareFileToast);
 886                        runOnUiThread(() -> activity.replaceToast(text));
 887                    }
 888
 889                    @Override
 890                    public void success(Message message) {
 891                        if (next == null) {
 892                            runOnUiThread(() -> {
 893                                activity.hideToast();
 894                                messageSent();
 895                            });
 896                        } else {
 897                            runOnUiThread(next);
 898                        }
 899                        hidePrepareFileToast(prepareFileToast);
 900                    }
 901
 902                    @Override
 903                    public void error(final int errorCode, Message message) {
 904                        hidePrepareFileToast(prepareFileToast);
 905                        runOnUiThread(() -> activity.replaceToast(getString(errorCode)));
 906                    }
 907
 908                    @Override
 909                    public void userInputRequired(PendingIntent pi, Message message) {
 910                        hidePrepareFileToast(prepareFileToast);
 911                    }
 912                });
 913    }
 914
 915    public void attachEditorContentToConversation(Uri uri) {
 916        mediaPreviewAdapter.addMediaPreviews(
 917                Attachment.of(getActivity(), uri, Attachment.Type.FILE));
 918        toggleInputMethod();
 919    }
 920
 921    private void attachImageToConversation(Conversation conversation, Uri uri, String type, Runnable next) {
 922        if (conversation == null) {
 923            return;
 924        }
 925        final String subject = binding.textinputSubject.getText().toString();
 926        final Toast prepareFileToast =
 927                Toast.makeText(getActivity(), getText(R.string.preparing_image), Toast.LENGTH_LONG);
 928        prepareFileToast.show();
 929        activity.delegateUriPermissionsToService(uri);
 930        activity.xmppConnectionService.attachImageToConversation(
 931                conversation,
 932                uri,
 933                type,
 934                subject,
 935                new UiCallback<Message>() {
 936
 937                    @Override
 938                    public void userInputRequired(PendingIntent pi, Message object) {
 939                        hidePrepareFileToast(prepareFileToast);
 940                    }
 941
 942                    @Override
 943                    public void success(Message message) {
 944                        hidePrepareFileToast(prepareFileToast);
 945                        if (next == null) {
 946                            runOnUiThread(() -> messageSent());
 947                        } else {
 948                            runOnUiThread(next);
 949                        }
 950                    }
 951
 952                    @Override
 953                    public void error(final int error, final Message message) {
 954                        hidePrepareFileToast(prepareFileToast);
 955                        final ConversationsActivity activity = ConversationFragment.this.activity;
 956                        if (activity == null) {
 957                            return;
 958                        }
 959                        activity.runOnUiThread(() -> activity.replaceToast(getString(error)));
 960                    }
 961                });
 962    }
 963
 964    private void hidePrepareFileToast(final Toast prepareFileToast) {
 965        if (prepareFileToast != null && activity != null) {
 966            activity.runOnUiThread(prepareFileToast::cancel);
 967        }
 968    }
 969
 970    private void sendMessage() {
 971        sendMessage((Long) null);
 972    }
 973
 974    private void sendMessage(Long sendAt) {
 975        if (sendAt != null && sendAt < System.currentTimeMillis()) sendAt = null; // No sending in past plz
 976        if (mediaPreviewAdapter.hasAttachments()) {
 977            commitAttachments();
 978            return;
 979        }
 980        Editable body = this.binding.textinput.getText();
 981        if (body == null) body = new SpannableStringBuilder("");
 982        if (body.length() > Config.MAX_DISPLAY_MESSAGE_CHARS) {
 983            Toast.makeText(activity, "Message is too long", Toast.LENGTH_SHORT).show();
 984            return;
 985        }
 986        final Conversation conversation = this.conversation;
 987        final boolean hasSubject = binding.textinputSubject.getText().length() > 0;
 988        if (conversation == null || (body.length() == 0 && (conversation.getThread() == null || !hasSubject))) {
 989            if (Build.VERSION.SDK_INT >= 24) {
 990                binding.textSendButton.showContextMenu(0, 0);
 991            } else {
 992                binding.textSendButton.showContextMenu();
 993            }
 994            return;
 995        }
 996        if (trustKeysIfNeeded(conversation, REQUEST_TRUST_KEYS_TEXT)) {
 997            return;
 998        }
 999        final Message message;
1000        if (conversation.getCorrectingMessage() == null) {
1001            boolean attention = false;
1002            if (Pattern.compile("\\A@here\\s.*").matcher(body).find()) {
1003                attention = true;
1004                body.delete(0, 6);
1005                while (body.length() > 0 && Character.isWhitespace(body.charAt(0))) body.delete(0, 1);
1006            }
1007            if (conversation.getReplyTo() != null) {
1008                if (Emoticons.isEmoji(body.toString().replaceAll("\\s", "")) && conversation.getNextCounterpart() == null && !conversation.getReplyTo().isPrivateMessage()) {
1009                    final var aggregated = conversation.getReplyTo().getAggregatedReactions();
1010                    final ImmutableSet.Builder<String> reactionBuilder = new ImmutableSet.Builder<>();
1011                    reactionBuilder.addAll(aggregated.ourReactions);
1012                    reactionBuilder.add(body.toString().replaceAll("\\s", ""));
1013                    activity.xmppConnectionService.sendReactions(conversation.getReplyTo(), reactionBuilder.build());
1014                    messageSent();
1015                    return;
1016                } else {
1017                    message = conversation.getReplyTo().reply();
1018                    message.appendBody(body);
1019                }
1020                message.setEncryption(conversation.getNextEncryption());
1021            } else {
1022                message = new Message(conversation, body.toString(), conversation.getNextEncryption());
1023                message.setBody(hasSubject && body.length() == 0 ? null : body);
1024                if (message.bodyIsOnlyEmojis()) {
1025                    var spannable = message.getSpannableBody(null, null);
1026                    ImageSpan[] imageSpans = spannable.getSpans(0, spannable.length(), ImageSpan.class);
1027                    for (ImageSpan span : imageSpans) {
1028                        final int start = spannable.getSpanStart(span);
1029                        final int end = spannable.getSpanEnd(span);
1030                        spannable.delete(start, end);
1031                    }
1032                    if (imageSpans.length == 1 && spannable.toString().replaceAll("\\s", "").length() < 1) {
1033                        // Only one inline image, so it's a sticker
1034                        String source = imageSpans[0].getSource();
1035                        if (source != null && source.length() > 0 && source.substring(0, 4).equals("cid:")) {
1036                            try {
1037                                final Cid cid = BobTransfer.cid(Uri.parse(source));
1038                                final String url = activity.xmppConnectionService.getUrlForCid(cid);
1039                                final File f = activity.xmppConnectionService.getFileForCid(cid);
1040                                if (url != null) {
1041                                    message.setBody("");
1042                                    message.setRelativeFilePath(f.getAbsolutePath());
1043                                    activity.xmppConnectionService.getFileBackend().updateFileParams(message);
1044                                }
1045                            } catch (final Exception e) { }
1046                        }
1047                    }
1048                }
1049            }
1050            if (hasSubject) message.setSubject(binding.textinputSubject.getText().toString());
1051            message.setThread(conversation.getThread());
1052            if (attention) {
1053                message.addPayload(new Element("attention", "urn:xmpp:attention:0"));
1054            }
1055            Message.configurePrivateMessage(message);
1056        } else {
1057            message = conversation.getCorrectingMessage();
1058            if (hasSubject) message.setSubject(binding.textinputSubject.getText().toString());
1059            message.setThread(conversation.getThread());
1060            if (conversation.getReplyTo() != null) {
1061                if (Emoticons.isEmoji(body.toString().replaceAll("\\s", ""))) {
1062                    message.updateReaction(conversation.getReplyTo(), body.toString().replaceAll("\\s", ""));
1063                } else {
1064                    message.updateReplyTo(conversation.getReplyTo(), body);
1065                }
1066            } else {
1067                message.clearReplyReact();
1068                message.setBody(hasSubject && body.length() == 0 ? null : body);
1069            }
1070            if (message.getStatus() == Message.STATUS_WAITING) {
1071                if (sendAt != null) message.setTime(sendAt);
1072                activity.xmppConnectionService.updateMessage(message);
1073                messageSent();
1074                return;
1075            } else {
1076                message.putEdited(message.getUuid(), message.getServerMsgId());
1077                message.setServerMsgId(null);
1078                message.setUuid(UUID.randomUUID().toString());
1079            }
1080        }
1081        if (sendAt != null) message.setTime(sendAt);
1082        switch (conversation.getNextEncryption()) {
1083            case Message.ENCRYPTION_PGP:
1084                sendPgpMessage(message);
1085                break;
1086            default:
1087                sendMessage(message);
1088        }
1089        setupReply(null);
1090    }
1091
1092    private boolean trustKeysIfNeeded(final Conversation conversation, final int requestCode) {
1093        return conversation.getNextEncryption() == Message.ENCRYPTION_AXOLOTL
1094                && trustKeysIfNeeded(requestCode);
1095    }
1096
1097    protected boolean trustKeysIfNeeded(int requestCode) {
1098        AxolotlService axolotlService = conversation.getAccount().getAxolotlService();
1099        if (axolotlService == null) return false;
1100        final List<Jid> targets = axolotlService.getCryptoTargets(conversation);
1101        boolean hasUnaccepted = !conversation.getAcceptedCryptoTargets().containsAll(targets);
1102        boolean hasUndecidedOwn =
1103                !axolotlService
1104                        .getKeysWithTrust(FingerprintStatus.createActiveUndecided())
1105                        .isEmpty();
1106        boolean hasUndecidedContacts =
1107                !axolotlService
1108                        .getKeysWithTrust(FingerprintStatus.createActiveUndecided(), targets)
1109                        .isEmpty();
1110        boolean hasPendingKeys = !axolotlService.findDevicesWithoutSession(conversation).isEmpty();
1111        boolean hasNoTrustedKeys = axolotlService.anyTargetHasNoTrustedKeys(targets);
1112        boolean downloadInProgress = axolotlService.hasPendingKeyFetches(targets);
1113        if (hasUndecidedOwn
1114                || hasUndecidedContacts
1115                || hasPendingKeys
1116                || hasNoTrustedKeys
1117                || hasUnaccepted
1118                || downloadInProgress) {
1119            axolotlService.createSessionsIfNeeded(conversation);
1120            Intent intent = new Intent(getActivity(), TrustKeysActivity.class);
1121            String[] contacts = new String[targets.size()];
1122            for (int i = 0; i < contacts.length; ++i) {
1123                contacts[i] = targets.get(i).toString();
1124            }
1125            intent.putExtra("contacts", contacts);
1126            intent.putExtra(
1127                    EXTRA_ACCOUNT, conversation.getAccount().getJid().asBareJid().toString());
1128            intent.putExtra("conversation", conversation.getUuid());
1129            startActivityForResult(intent, requestCode);
1130            return true;
1131        } else {
1132            return false;
1133        }
1134    }
1135
1136    public void updateChatMsgHint() {
1137        final boolean multi = conversation.getMode() == Conversation.MODE_MULTI;
1138        if (conversation.getCorrectingMessage() != null) {
1139            this.binding.textInputHint.setVisibility(View.GONE);
1140            this.binding.textinput.setHint(R.string.send_corrected_message);
1141            binding.conversationViewPager.setCurrentItem(0);
1142        } else if (multi && conversation.getNextCounterpart() != null) {
1143            this.binding.textinput.setHint(R.string.send_message);
1144            this.binding.textInputHint.setVisibility(View.VISIBLE);
1145            final MucOptions.User user = conversation.getMucOptions().findUserByName(conversation.getNextCounterpart().getResource());
1146            String nick = user == null ? null : user.getNick();
1147            if (nick == null) nick = conversation.getNextCounterpart().getResource();
1148            this.binding.textInputHint.setText(
1149                    getString(
1150                            R.string.send_private_message_to,
1151                            nick));
1152            binding.conversationViewPager.setCurrentItem(0);
1153        } else if (multi && !conversation.getMucOptions().participating()) {
1154            this.binding.textInputHint.setVisibility(View.GONE);
1155            this.binding.textinput.setHint(R.string.you_are_not_participating);
1156            this.binding.inputLayout.setBackgroundColor(android.R.color.transparent);
1157        } else {
1158            this.binding.textInputHint.setVisibility(View.GONE);
1159            if (activity == null) return;
1160            this.binding.textinput.setHint(UIHelper.getMessageHint(activity, conversation));
1161            this.binding.inputLayout.setBackground(activity.getDrawable(R.drawable.background_message_bubble));
1162            activity.invalidateOptionsMenu();
1163        }
1164
1165        binding.messagesView.post(this::updateThreadFromLastMessage);
1166    }
1167
1168    public void setupIme() {
1169        this.binding.textinput.refreshIme();
1170    }
1171
1172    private void handleActivityResult(ActivityResult activityResult) {
1173        if (activityResult.resultCode == Activity.RESULT_OK) {
1174            handlePositiveActivityResult(activityResult.requestCode, activityResult.data);
1175        } else {
1176            handleNegativeActivityResult(activityResult.requestCode);
1177        }
1178    }
1179
1180    private void handlePositiveActivityResult(int requestCode, final Intent data) {
1181        switch (requestCode) {
1182            case REQUEST_WEBXDC_STORE:
1183                mediaPreviewAdapter.addMediaPreviews(Attachment.of(activity, data.getData(), Attachment.Type.FILE));
1184                toggleInputMethod();
1185                break;
1186            case REQUEST_SAVE_STICKER:
1187                final DocumentFile df = DocumentFile.fromSingleUri(activity, data.getData());
1188                final File f = savingAsSticker;
1189                savingAsSticker = null;
1190                try {
1191                    activity.xmppConnectionService.getFileBackend().copyFileToDocumentFile(activity, f, df);
1192                    Toast.makeText(activity, "Sticker saved", Toast.LENGTH_SHORT).show();
1193                } catch (final FileBackend.FileCopyException e) {
1194                    Toast.makeText(activity, e.getResId(), Toast.LENGTH_SHORT).show();
1195                }
1196                break;
1197            case REQUEST_TRUST_KEYS_TEXT:
1198                sendMessage();
1199                break;
1200            case REQUEST_TRUST_KEYS_ATTACHMENTS:
1201                commitAttachments();
1202                break;
1203            case REQUEST_START_AUDIO_CALL:
1204                triggerRtpSession(RtpSessionActivity.ACTION_MAKE_VOICE_CALL);
1205                break;
1206            case REQUEST_START_VIDEO_CALL:
1207                triggerRtpSession(RtpSessionActivity.ACTION_MAKE_VIDEO_CALL);
1208                break;
1209            case ATTACHMENT_CHOICE_CHOOSE_IMAGE: {
1210                final Uri takePhotoUri = pendingTakePhotoUri.pop();
1211                if (takePhotoUri != null && (data == null || (data.getData() == null && data.getClipData() == null))) {
1212                    mediaPreviewAdapter.addMediaPreviews(
1213                            Attachment.of(getActivity(), takePhotoUri, Attachment.Type.IMAGE));
1214                }
1215                final List<Attachment> imageUris =
1216                        Attachment.extractAttachments(getActivity(), data, Attachment.Type.IMAGE);
1217                mediaPreviewAdapter.addMediaPreviews(imageUris);
1218                toggleInputMethod();
1219                break;
1220            }
1221            case ATTACHMENT_CHOICE_TAKE_PHOTO: {
1222                final Uri takePhotoUri = pendingTakePhotoUri.pop();
1223                if (takePhotoUri != null) {
1224                    mediaPreviewAdapter.addMediaPreviews(
1225                            Attachment.of(getActivity(), takePhotoUri, Attachment.Type.IMAGE));
1226                    toggleInputMethod();
1227                } else {
1228                    Log.d(Config.LOGTAG, "lost take photo uri. unable to to attach");
1229                }
1230                break;
1231            }
1232            case ATTACHMENT_CHOICE_CHOOSE_FILE:
1233            case ATTACHMENT_CHOICE_RECORD_VIDEO:
1234            case ATTACHMENT_CHOICE_RECORD_VOICE:
1235                final Attachment.Type type =
1236                        requestCode == ATTACHMENT_CHOICE_RECORD_VOICE
1237                                ? Attachment.Type.RECORDING
1238                                : Attachment.Type.FILE;
1239                final List<Attachment> fileUris =
1240                        Attachment.extractAttachments(getActivity(), data, type);
1241                mediaPreviewAdapter.addMediaPreviews(fileUris);
1242                toggleInputMethod();
1243                break;
1244            case ATTACHMENT_CHOICE_LOCATION:
1245                final double latitude = data.getDoubleExtra("latitude", 0);
1246                final double longitude = data.getDoubleExtra("longitude", 0);
1247                final int accuracy = data.getIntExtra("accuracy", 0);
1248                final Uri geo;
1249                if (accuracy > 0) {
1250                    geo = Uri.parse(String.format("geo:%s,%s;u=%s", latitude, longitude, accuracy));
1251                } else {
1252                    geo = Uri.parse(String.format("geo:%s,%s", latitude, longitude));
1253                }
1254                mediaPreviewAdapter.addMediaPreviews(
1255                        Attachment.of(getActivity(), geo, Attachment.Type.LOCATION));
1256                toggleInputMethod();
1257                break;
1258            case REQUEST_INVITE_TO_CONVERSATION:
1259                XmppActivity.ConferenceInvite invite = XmppActivity.ConferenceInvite.parse(data);
1260                if (invite != null) {
1261                    if (invite.execute(activity)) {
1262                        activity.mToast =
1263                                Toast.makeText(
1264                                        activity, R.string.creating_conference, Toast.LENGTH_LONG);
1265                        activity.mToast.show();
1266                    }
1267                }
1268                break;
1269        }
1270    }
1271
1272    private void commitAttachments() {
1273        final List<Attachment> attachments = mediaPreviewAdapter.getAttachments();
1274        if (anyNeedsExternalStoragePermission(attachments)
1275                && !hasPermissions(
1276                        REQUEST_COMMIT_ATTACHMENTS, Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
1277            return;
1278        }
1279        if (trustKeysIfNeeded(conversation, REQUEST_TRUST_KEYS_ATTACHMENTS)) {
1280            return;
1281        }
1282        final PresenceSelector.OnPresenceSelected callback =
1283                () -> {
1284                    final Iterator<Attachment> i = attachments.iterator();
1285                    final Runnable next = new Runnable() {
1286                        @Override
1287                        public void run() {
1288                            try {
1289                                if (!i.hasNext()) return;
1290                                final Attachment attachment = i.next();
1291                                if (attachment.getType() == Attachment.Type.LOCATION) {
1292                                        attachLocationToConversation(conversation, attachment.getUri());
1293                                    if (i.hasNext()) runOnUiThread(this);
1294                                } else if (attachment.getType() == Attachment.Type.IMAGE) {
1295                                    Log.d(
1296                                          Config.LOGTAG,
1297                                          "ConversationsActivity.commitAttachments() - attaching image to conversations. CHOOSE_IMAGE");
1298                                    attachImageToConversation(conversation, attachment.getUri(), attachment.getMime(), this);
1299                                } else {
1300                                    Log.d(
1301                                          Config.LOGTAG,
1302                                          "ConversationsActivity.commitAttachments() - attaching file to conversations. CHOOSE_FILE/RECORD_VOICE/RECORD_VIDEO");
1303                                    attachFileToConversation(conversation, attachment.getUri(), attachment.getMime(), this);
1304                                }
1305                                i.remove();
1306                                if (!i.hasNext()) messageSent();
1307                            } catch (final java.util.ConcurrentModificationException e) {
1308                                // Abort, leave any unsent attachments alone for the user to try again
1309                                Toast.makeText(activity, "Sometimes went wrong with some attachments. Try again?", Toast.LENGTH_SHORT).show();
1310                            }
1311                            mediaPreviewAdapter.notifyDataSetChanged();
1312                            toggleInputMethod();
1313                        }
1314                    };
1315                    next.run();
1316                };
1317        if (conversation == null
1318                || conversation.getMode() == Conversation.MODE_MULTI
1319                || Attachment.canBeSendInBand(attachments)
1320                || (conversation.getAccount().httpUploadAvailable()
1321                        && FileBackend.allFilesUnderSize(
1322                                getActivity(), attachments, getMaxHttpUploadSize(conversation)))) {
1323            callback.onPresenceSelected();
1324        } else {
1325            activity.selectPresence(conversation, callback);
1326        }
1327    }
1328
1329    private static boolean anyNeedsExternalStoragePermission(
1330            final Collection<Attachment> attachments) {
1331        for (final Attachment attachment : attachments) {
1332            if (attachment.getType() != Attachment.Type.LOCATION) {
1333                return true;
1334            }
1335        }
1336        return false;
1337    }
1338
1339    public void toggleInputMethod() {
1340        boolean hasAttachments = mediaPreviewAdapter.hasAttachments();
1341        binding.textinput.setVisibility(hasAttachments ? View.GONE : View.VISIBLE);
1342        binding.mediaPreview.setVisibility(hasAttachments ? View.VISIBLE : View.GONE);
1343        updateSendButton();
1344    }
1345
1346    private void handleNegativeActivityResult(int requestCode) {
1347        switch (requestCode) {
1348            case ATTACHMENT_CHOICE_TAKE_PHOTO:
1349                if (pendingTakePhotoUri.clear()) {
1350                    Log.d(
1351                            Config.LOGTAG,
1352                            "cleared pending photo uri after negative activity result");
1353                }
1354                break;
1355        }
1356    }
1357
1358    @Override
1359    public void onActivityResult(int requestCode, int resultCode, final Intent data) {
1360        super.onActivityResult(requestCode, resultCode, data);
1361        ActivityResult activityResult = ActivityResult.of(requestCode, resultCode, data);
1362        if (activity != null && activity.xmppConnectionService != null) {
1363            handleActivityResult(activityResult);
1364        } else {
1365            this.postponedActivityResult.push(activityResult);
1366        }
1367    }
1368
1369    public void unblockConversation(final Blockable conversation) {
1370        activity.xmppConnectionService.sendUnblockRequest(conversation);
1371    }
1372
1373    @Override
1374    public void onAttach(Activity activity) {
1375        super.onAttach(activity);
1376        Log.d(Config.LOGTAG, "ConversationFragment.onAttach()");
1377        if (activity instanceof ConversationsActivity) {
1378            this.activity = (ConversationsActivity) activity;
1379        } else {
1380            throw new IllegalStateException(
1381                    "Trying to attach fragment to activity that is not the ConversationsActivity");
1382        }
1383    }
1384
1385    @Override
1386    public void onDetach() {
1387        super.onDetach();
1388        this.activity = null; // TODO maybe not a good idea since some callbacks really need it
1389    }
1390
1391    @Override
1392    public void onCreate(Bundle savedInstanceState) {
1393        super.onCreate(savedInstanceState);
1394        setHasOptionsMenu(true);
1395        activity.getOnBackPressedDispatcher().addCallback(this, backPressedLeaveSingleThread);
1396    }
1397
1398    @Override
1399    public void onCreateOptionsMenu(Menu menu, MenuInflater menuInflater) {
1400        if (activity != null && activity.xmppConnectionService != null && activity.xmppConnectionService.isOnboarding()) return;
1401
1402        menuInflater.inflate(R.menu.fragment_conversation, menu);
1403        final MenuItem menuMucDetails = menu.findItem(R.id.action_muc_details);
1404        final MenuItem menuContactDetails = menu.findItem(R.id.action_contact_details);
1405        final MenuItem menuInviteContact = menu.findItem(R.id.action_invite);
1406        final MenuItem menuMute = menu.findItem(R.id.action_mute);
1407        final MenuItem menuUnmute = menu.findItem(R.id.action_unmute);
1408        final MenuItem menuCall = menu.findItem(R.id.action_call);
1409        final MenuItem menuOngoingCall = menu.findItem(R.id.action_ongoing_call);
1410        final MenuItem menuVideoCall = menu.findItem(R.id.action_video_call);
1411        final MenuItem menuTogglePinned = menu.findItem(R.id.action_toggle_pinned);
1412        final MenuItem menuArchiveChat = menu.findItem(R.id.action_archive);
1413
1414        if (conversation != null) {
1415            if (conversation.getMode() == Conversation.MODE_MULTI) {
1416                menuContactDetails.setVisible(false);
1417                menuInviteContact.setVisible(conversation.getMucOptions().canInvite());
1418                menuMucDetails.setTitle(
1419                        conversation.getMucOptions().isPrivateAndNonAnonymous()
1420                                ? R.string.action_muc_details
1421                                : R.string.channel_details);
1422                menuCall.setVisible(false);
1423                menuOngoingCall.setVisible(false);
1424                menuArchiveChat.setTitle("Leave " + (conversation.getMucOptions().isPrivateAndNonAnonymous() ? "group chat" : "Channel"));
1425            } else {
1426                final XmppConnectionService service =
1427                        activity == null ? null : activity.xmppConnectionService;
1428                final Optional<OngoingRtpSession> ongoingRtpSession =
1429                        service == null
1430                                ? Optional.absent()
1431                                : service.getJingleConnectionManager()
1432                                        .getOngoingRtpConnection(conversation.getContact());
1433                if (ongoingRtpSession.isPresent()) {
1434                    menuOngoingCall.setVisible(true);
1435                    menuCall.setVisible(false);
1436                } else {
1437                    menuOngoingCall.setVisible(false);
1438                    final RtpCapability.Capability rtpCapability =
1439                            RtpCapability.check(conversation.getContact());
1440                    final boolean cameraAvailable =
1441                            activity != null && activity.isCameraFeatureAvailable();
1442                    menuCall.setVisible(true);
1443                    menuVideoCall.setVisible(rtpCapability != RtpCapability.Capability.AUDIO && cameraAvailable);
1444                }
1445                menuContactDetails.setVisible(!this.conversation.withSelf());
1446                menuMucDetails.setVisible(false);
1447                final var connection = this.conversation.getAccount().getXmppConnection();
1448                menuInviteContact.setVisible(
1449                        !connection.getManager(MultiUserChatManager.class).getServices().isEmpty());
1450            }
1451            if (conversation.isMuted()) {
1452                menuMute.setVisible(false);
1453            } else {
1454                menuUnmute.setVisible(false);
1455            }
1456            ConversationMenuConfigurator.configureAttachmentMenu(conversation, menu, TextUtils.isEmpty(binding.textinput.getText()));
1457            ConversationMenuConfigurator.configureEncryptionMenu(conversation, menu);
1458            if (conversation.getBooleanAttribute(Conversation.ATTRIBUTE_PINNED_ON_TOP, false)) {
1459                menuTogglePinned.setTitle(R.string.remove_from_favorites);
1460            } else {
1461                menuTogglePinned.setTitle(R.string.add_to_favorites);
1462            }
1463        }
1464        super.onCreateOptionsMenu(menu, menuInflater);
1465    }
1466
1467    @Override
1468    public View onCreateView(
1469            final LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
1470        this.binding =
1471                DataBindingUtil.inflate(inflater, R.layout.fragment_conversation, container, false);
1472        binding.getRoot().setOnClickListener(null); // TODO why the fuck did we do this?
1473
1474        binding.textinput.setOnEditorActionListener(mEditorActionListener);
1475        binding.textinput.setRichContentListener(new String[] {"image/*"}, mEditorContentListener);
1476        DisplayMetrics displayMetrics = new DisplayMetrics();
1477        activity.getWindowManager().getDefaultDisplay().getMetrics(displayMetrics);
1478        if (displayMetrics.heightPixels > 0) binding.textinput.setMaxHeight(displayMetrics.heightPixels / 4);
1479
1480        binding.textSendButton.setOnClickListener(this.mSendButtonListener);
1481        binding.contextPreviewCancel.setOnClickListener((v) -> {
1482            setThread(null);
1483            conversation.setUserSelectedThread(false);
1484            setupReply(null);
1485        });
1486        binding.requestVoice.setOnClickListener((v) -> {
1487            activity.xmppConnectionService.requestVoice(conversation.getAccount(), conversation.getJid());
1488            binding.requestVoice.setVisibility(View.GONE);
1489            Toast.makeText(activity, "Your request has been sent to the moderators", Toast.LENGTH_SHORT).show();
1490        });
1491
1492        binding.scrollToBottomButton.setOnClickListener(this.mScrollButtonListener);
1493        binding.messagesView.setOnScrollListener(mOnScrollListener);
1494        binding.messagesView.setTranscriptMode(ListView.TRANSCRIPT_MODE_NORMAL);
1495        mediaPreviewAdapter = new MediaPreviewAdapter(this);
1496        binding.mediaPreview.setAdapter(mediaPreviewAdapter);
1497        messageListAdapter = new MessageAdapter((XmppActivity) getActivity(), this.messageList);
1498        messageListAdapter.setOnContactPictureClicked(this);
1499        messageListAdapter.setOnContactPictureLongClicked(this);
1500        messageListAdapter.setOnInlineImageLongClicked(this);
1501        messageListAdapter.setConversationFragment(this);
1502        binding.messagesView.setAdapter(messageListAdapter);
1503
1504        binding.textinput.addTextChangedListener(
1505                new StylingHelper.MessageEditorStyler(binding.textinput, messageListAdapter));
1506
1507        registerForContextMenu(binding.messagesView);
1508        registerForContextMenu(binding.textSendButton);
1509
1510        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
1511            this.binding.textinput.setCustomInsertionActionModeCallback(
1512                    new EditMessageActionModeCallback(this.binding.textinput));
1513            this.binding.textinput.setCustomSelectionActionModeCallback(
1514                    new EditMessageSelectionActionModeCallback(this.binding.textinput));
1515        }
1516
1517        messageListAdapter.setOnMessageBoxClicked(message -> {
1518            if (message.isPrivateMessage()) privateMessageWith(message.getCounterpart());
1519            setThread(message.getThread());
1520            conversation.setUserSelectedThread(true);
1521        });
1522
1523        messageListAdapter.setOnMessageBoxSwiped(message -> {
1524            quoteMessage(message);
1525        });
1526
1527        binding.threadIdenticonLayout.setOnClickListener(v -> {
1528            boolean wasLocked = conversation.getLockThread();
1529            conversation.setLockThread(false);
1530            backPressedLeaveSingleThread.setEnabled(false);
1531            if (wasLocked) {
1532                setThread(null);
1533                conversation.setUserSelectedThread(false);
1534                refresh();
1535                updateThreadFromLastMessage();
1536            } else {
1537                newThread();
1538                conversation.setUserSelectedThread(true);
1539                newThreadTutorialToast("Switched to new thread");
1540            }
1541        });
1542
1543        binding.threadIdenticonLayout.setOnLongClickListener(v -> {
1544            boolean wasLocked = conversation.getLockThread();
1545            conversation.setLockThread(false);
1546            backPressedLeaveSingleThread.setEnabled(false);
1547            setThread(null);
1548            conversation.setUserSelectedThread(true);
1549            if (wasLocked) refresh();
1550            newThreadTutorialToast("Cleared thread");
1551            return true;
1552        });
1553
1554        Autocomplete.<MucOptions.User>on(binding.textinput)
1555            .with(activity.getDrawable(R.drawable.background_message_bubble))
1556            .with(new CharPolicy('@'))
1557            .with(new RecyclerViewPresenter<MucOptions.User>(activity) {
1558                protected UserAdapter adapter;
1559
1560                @Override
1561                protected Adapter instantiateAdapter() {
1562                    adapter = new UserAdapter(false) {
1563                        @Override
1564                        public void onBindViewHolder(UserAdapter.ViewHolder viewHolder, int position) {
1565                            super.onBindViewHolder(viewHolder, position);
1566                            final var item = getItem(position);
1567                            viewHolder.binding.getRoot().setOnClickListener(v -> {
1568                                dispatchClick(item);
1569                            });
1570                        }
1571                    };
1572                    return adapter;
1573                }
1574
1575                @Override
1576                protected void onQuery(@Nullable CharSequence query) {
1577                    if (!activity.xmppConnectionService.getBooleanPreference("message_autocomplete", R.bool.message_autocomplete)) return;
1578
1579                    final var allUsers = conversation.getMucOptions().getUsers();
1580                    if (!conversation.getMucOptions().getUsersByRole(Role.MODERATOR).isEmpty()) {
1581                        final var u = new MucOptions.User(conversation.getMucOptions(), null, "\0role:moderator", "Notify active moderators", new HashSet<>());
1582                        u.setRole(Role.PARTICIPANT);
1583                        allUsers.add(u);
1584                    }
1585                    if (!allUsers.isEmpty() && conversation.getMucOptions().getSelf() != null && conversation.getMucOptions().getSelf().ranks(Affiliation.MEMBER)) {
1586                        final var u = new MucOptions.User(conversation.getMucOptions(), null, "\0attention", "Notify active participants", new HashSet<>());
1587                        u.setRole(Role.PARTICIPANT);
1588                        allUsers.add(u);
1589                    }
1590                    final String needle = query.toString().toLowerCase(Locale.getDefault());
1591                    if (getRecyclerView() != null) getRecyclerView().setItemAnimator(null);
1592                    adapter.submitList(
1593                        Ordering.natural().immutableSortedCopy(Collections2.filter(
1594                            allUsers,
1595                            user -> {
1596                                if ("mods".contains(needle) && "\0role:moderator".equals(user.getOccupantId())) return true;
1597                                if ("here".contains(needle) && "\0attention".equals(user.getOccupantId())) return true;
1598                                final String name = user.getNick();
1599                                if (name == null) return false;
1600                                for (final var hat : user.getHats()) {
1601                                    if (hat.toString().toLowerCase(Locale.getDefault()).contains(needle)) return true;
1602                                }
1603                                for (final var hat : user.getPseudoHats(activity)) {
1604                                    if (hat.toString().toLowerCase(Locale.getDefault()).contains(needle)) return true;
1605                                }
1606                                final Contact contact = user.getContact();
1607                                return name.toLowerCase(Locale.getDefault()).contains(needle)
1608                                    || contact != null
1609                                    && contact.getDisplayName().toLowerCase(Locale.getDefault()).contains(needle);
1610                            })));
1611                }
1612
1613                @Override
1614                protected AutocompletePresenter.PopupDimensions getPopupDimensions() {
1615                    final var dim = new AutocompletePresenter.PopupDimensions();
1616                    dim.width = displayMetrics.widthPixels * 4/5;
1617                    return dim;
1618                }
1619            })
1620            .with(new AutocompleteCallback<MucOptions.User>() {
1621                @Override
1622                public boolean onPopupItemClicked(Editable editable, MucOptions.User user) {
1623                    int[] range = com.otaliastudios.autocomplete.CharPolicy.getQueryRange(editable);
1624                    if (range == null) return false;
1625                    range[0] -= 1;
1626                    if ("\0attention".equals(user.getOccupantId())) {
1627                        editable.delete(Math.max(0, range[0]), Math.min(editable.length(), range[1]));
1628                        editable.insert(0, "@here ");
1629                        return true;
1630                    }
1631                    int colon = editable.toString().indexOf(':');
1632                    final var beforeColon = range[0] < colon;
1633                    String prefix = "";
1634                    String suffix = " ";
1635                    if (beforeColon) suffix = ", ";
1636                    if (colon < 0 && range[0] == 0) suffix = ": ";
1637                    if (colon > 0 && colon == range[0] - 2) {
1638                        prefix = ", ";
1639                        suffix = ": ";
1640                        range[0] -= 2;
1641                    }
1642                    var insert = user.getNick();
1643                    if ("\0role:moderator".equals(user.getOccupantId())) {
1644                        insert = conversation.getMucOptions().getUsersByRole(Role.MODERATOR).stream().map(MucOptions.User::getNick).collect(Collectors.joining(", "));
1645                    }
1646                    editable.replace(Math.max(0, range[0]), Math.min(editable.length(), range[1]), prefix + insert + suffix);
1647                    return true;
1648                }
1649
1650                @Override
1651                public void onPopupVisibilityChanged(boolean shown) {}
1652            }).build();
1653
1654        Handler emojiDebounce = new Handler(Looper.getMainLooper());
1655        setupEmojiSearch();
1656        Autocomplete.<EmojiSearch.Emoji>on(binding.textinput)
1657            .with(activity.getDrawable(R.drawable.background_message_bubble))
1658            .with(new CharPolicy(':'))
1659            .with(new RecyclerViewPresenter<EmojiSearch.Emoji>(activity) {
1660                protected EmojiSearch.EmojiSearchAdapter adapter;
1661
1662                @Override
1663                protected Adapter instantiateAdapter() {
1664                    setupEmojiSearch();
1665                    adapter = emojiSearch.makeAdapter(item -> dispatchClick(item));
1666                    return adapter;
1667                }
1668
1669                @Override
1670                protected void onViewHidden() {
1671                    if (getRecyclerView() == null) return;
1672                    super.onViewHidden();
1673                }
1674
1675                @Override
1676                protected void onQuery(@Nullable CharSequence query) {
1677                    if (!activity.xmppConnectionService.getBooleanPreference("message_autocomplete", R.bool.message_autocomplete)) return;
1678
1679                    emojiDebounce.removeCallbacksAndMessages(null);
1680                    emojiDebounce.postDelayed(() -> {
1681                        if (getRecyclerView() == null) return;
1682                        getRecyclerView().setItemAnimator(null);
1683                        adapter.search(activity, getRecyclerView(), query.toString());
1684                    }, 100L);
1685                }
1686            })
1687            .with(new AutocompleteCallback<EmojiSearch.Emoji>() {
1688                @Override
1689                public boolean onPopupItemClicked(Editable editable, EmojiSearch.Emoji emoji) {
1690                    int[] range = com.otaliastudios.autocomplete.CharPolicy.getQueryRange(editable);
1691                    if (range == null) return false;
1692                    range[0] -= 1;
1693                    final var toInsert = emoji.toInsert();
1694                    toInsert.append(" ");
1695                    editable.replace(Math.max(0, range[0]), Math.min(editable.length(), range[1]), toInsert);
1696                    return true;
1697                }
1698
1699                @Override
1700                public void onPopupVisibilityChanged(boolean shown) {}
1701            }).build();
1702
1703        return binding.getRoot();
1704    }
1705
1706    protected void setupEmojiSearch() {
1707        if (activity != null && activity.xmppConnectionService != null) {
1708            if (emojiSearch == null) {
1709                emojiSearch = activity.xmppConnectionService.emojiSearch();
1710            }
1711        }
1712    }
1713
1714    protected void newThreadTutorialToast(String s) {
1715        if (activity == null) return;
1716        final SharedPreferences p = PreferenceManager.getDefaultSharedPreferences(activity);
1717        final int tutorialCount = p.getInt("thread_tutorial", 0);
1718        if (tutorialCount < 5) {
1719            Toast.makeText(activity, s, Toast.LENGTH_SHORT).show();
1720            p.edit().putInt("thread_tutorial", tutorialCount + 1).apply();
1721        }
1722    }
1723
1724    @Override
1725    public void onDestroyView() {
1726        super.onDestroyView();
1727        Log.d(Config.LOGTAG, "ConversationFragment.onDestroyView()");
1728        messageListAdapter.setOnContactPictureClicked(null);
1729        messageListAdapter.setOnContactPictureLongClicked(null);
1730        messageListAdapter.setOnInlineImageLongClicked(null);
1731        messageListAdapter.setConversationFragment(null);
1732        messageListAdapter.setOnMessageBoxClicked(null);
1733        messageListAdapter.setOnMessageBoxSwiped(null);
1734        binding.conversationViewPager.setAdapter(null);
1735        if (conversation != null) conversation.setupViewPager(null, null, false, null);
1736    }
1737
1738    public void quoteText(String text) {
1739        if (binding.textinput.isEnabled()) {
1740            binding.textinput.insertAsQuote(text);
1741            binding.textinput.requestFocus();
1742            InputMethodManager inputMethodManager =
1743                    (InputMethodManager)
1744                            getActivity().getSystemService(Context.INPUT_METHOD_SERVICE);
1745            if (inputMethodManager != null) {
1746                inputMethodManager.showSoftInput(
1747                        binding.textinput, InputMethodManager.SHOW_IMPLICIT);
1748            }
1749        }
1750    }
1751
1752    private void quoteMessage(Message message) {
1753        if (message.isPrivateMessage()) privateMessageWith(message.getCounterpart());
1754        setThread(message.getThread());
1755        conversation.setUserSelectedThread(true);
1756        if (!forkNullThread(message)) newThread();
1757        setupReply(message);
1758    }
1759
1760    private boolean forkNullThread(Message message) {
1761        if (message.getThread() != null || conversation.getMode() != Conversation.MODE_MULTI) return true;
1762        for (final Message m : conversation.findReplies(message.getServerMsgId())) {
1763            final Element thread = m.getThread();
1764            if (thread != null) {
1765                setThread(thread);
1766                return true;
1767            }
1768        }
1769
1770        return false;
1771    }
1772
1773    private void setupReply(Message message) {
1774        if (message != null) {
1775            final var correcting = conversation.getCorrectingMessage();
1776            if (correcting != null && correcting.getUuid().equals(message.getUuid())) return;
1777        }
1778        conversation.setReplyTo(message);
1779        if (message == null) {
1780            binding.contextPreview.setVisibility(View.GONE);
1781            binding.textsend.setBackgroundResource(R.drawable.textsend);
1782            return;
1783        }
1784
1785        var body = message.getSpannableBody(null, null);
1786        if (message.isFileOrImage() || message.isOOb()) body.append(" 🖼️");
1787        messageListAdapter.handleTextQuotes(binding.contextPreviewText, body);
1788        binding.contextPreviewText.setText(body);
1789        binding.contextPreview.setVisibility(View.VISIBLE);
1790    }
1791
1792    private void setThread(Element thread) {
1793        this.conversation.setThread(thread);
1794        binding.threadIdenticon.setAlpha(0f);
1795        binding.threadIdenticonLock.setVisibility(this.conversation.getLockThread() ? View.VISIBLE : View.GONE);
1796        if (thread != null) {
1797            final String threadId = thread.getContent();
1798            if (threadId != null) {
1799                binding.threadIdenticon.setAlpha(1f);
1800                binding.threadIdenticon.setColor(UIHelper.getColorForName(threadId));
1801                binding.threadIdenticon.setHash(UIHelper.identiconHash(threadId));
1802            }
1803        }
1804        updateSendButton();
1805    }
1806
1807    @Override
1808    public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
1809        // This should cancel any remaining click events that would otherwise trigger links
1810        v.dispatchTouchEvent(MotionEvent.obtain(0, 0, MotionEvent.ACTION_CANCEL, 0f, 0f, 0));
1811
1812        if (v == binding.textSendButton) {
1813            super.onCreateContextMenu(menu, v, menuInfo);
1814            try {
1815                java.lang.reflect.Method m = menu.getClass().getSuperclass().getDeclaredMethod("setOptionalIconsVisible", Boolean.TYPE);
1816                m.setAccessible(true);
1817                m.invoke(menu, true);
1818            } catch (Exception e) {
1819                e.printStackTrace();
1820            }
1821            Menu tmpMenu = new PopupMenu(activity, null).getMenu();
1822            activity.getMenuInflater().inflate(R.menu.fragment_conversation, tmpMenu);
1823            MenuItem attachMenu = tmpMenu.findItem(R.id.action_attach_file);
1824            for (int i = 0; i < attachMenu.getSubMenu().size(); i++) {
1825                MenuItem item = attachMenu.getSubMenu().getItem(i);
1826                MenuItem newItem = menu.add(item.getGroupId(), item.getItemId(), item.getOrder(), item.getTitle());
1827                newItem.setIcon(item.getIcon());
1828            }
1829
1830            extensions.clear();
1831            final var xmppConnectionService = activity.xmppConnectionService;
1832            final var dir = new File(xmppConnectionService.getExternalFilesDir(null), "extensions");
1833            for (File file : Files.fileTraverser().breadthFirst(dir)) {
1834                if (file.isFile() && file.canRead()) {
1835                    final var dummy = new Message(conversation, null, conversation.getNextEncryption());
1836                    dummy.setStatus(Message.STATUS_DUMMY);
1837                    dummy.setThread(conversation.getThread());
1838                    dummy.setUuid(file.getName());
1839                    final var xdc = new WebxdcPage(activity, file, dummy);
1840                    extensions.add(xdc);
1841                    final var item = menu.add(0x1, extensions.size() - 1, 0, xdc.getName());
1842                    item.setIcon(xdc.getIcon(24));
1843                }
1844            }
1845            ConversationMenuConfigurator.configureAttachmentMenu(conversation, menu, TextUtils.isEmpty(binding.textinput.getText()));
1846            return;
1847        }
1848
1849        synchronized (this.messageList) {
1850            super.onCreateContextMenu(menu, v, menuInfo);
1851            AdapterView.AdapterContextMenuInfo acmi = (AdapterContextMenuInfo) menuInfo;
1852            this.selectedMessage = this.messageList.get(acmi.position);
1853            populateContextMenu(menu);
1854        }
1855    }
1856
1857    private void populateContextMenu(final ContextMenu menu) {
1858        final Message m = this.selectedMessage;
1859        final Transferable t = m.getTransferable();
1860        if (m.getType() != Message.TYPE_STATUS && m.getType() != Message.TYPE_RTP_SESSION) {
1861
1862            if (m.getEncryption() == Message.ENCRYPTION_AXOLOTL_NOT_FOR_THIS_DEVICE
1863                    || m.getEncryption() == Message.ENCRYPTION_AXOLOTL_FAILED) {
1864                return;
1865            }
1866
1867            if (m.getStatus() == Message.STATUS_RECEIVED
1868                    && t != null
1869                    && (t.getStatus() == Transferable.STATUS_CANCELLED
1870                            || t.getStatus() == Transferable.STATUS_FAILED)) {
1871                return;
1872            }
1873
1874            final boolean deleted = m.isDeleted();
1875            final boolean encrypted =
1876                    m.getEncryption() == Message.ENCRYPTION_DECRYPTION_FAILED
1877                            || m.getEncryption() == Message.ENCRYPTION_PGP;
1878            final boolean receiving =
1879                    m.getStatus() == Message.STATUS_RECEIVED
1880                            && (t instanceof JingleFileTransferConnection
1881                                    || t instanceof HttpDownloadConnection);
1882            activity.getMenuInflater().inflate(R.menu.message_context, menu);
1883            final MenuItem reportAndBlock = menu.findItem(R.id.action_report_and_block);
1884            final MenuItem addReaction = menu.findItem(R.id.action_add_reaction);
1885            final MenuItem openWith = menu.findItem(R.id.open_with);
1886            final MenuItem copyMessage = menu.findItem(R.id.copy_message);
1887            final MenuItem quoteMessage = menu.findItem(R.id.quote_message);
1888            final MenuItem retryDecryption = menu.findItem(R.id.retry_decryption);
1889            final MenuItem correctMessage = menu.findItem(R.id.correct_message);
1890            final MenuItem retractMessage = menu.findItem(R.id.retract_message);
1891            final MenuItem moderateMessage = menu.findItem(R.id.moderate_message);
1892            final MenuItem onlyThisThread = menu.findItem(R.id.only_this_thread);
1893            final MenuItem shareWith = menu.findItem(R.id.share_with);
1894            final MenuItem sendAgain = menu.findItem(R.id.send_again);
1895            final MenuItem retryAsP2P = menu.findItem(R.id.send_again_as_p2p);
1896            final MenuItem copyUrl = menu.findItem(R.id.copy_url);
1897            final MenuItem copyLink = menu.findItem(R.id.copy_link);
1898            final MenuItem saveAsSticker = menu.findItem(R.id.save_as_sticker);
1899            final MenuItem downloadFile = menu.findItem(R.id.download_file);
1900            final MenuItem cancelTransmission = menu.findItem(R.id.cancel_transmission);
1901            final MenuItem blockMedia = menu.findItem(R.id.block_media);
1902            final MenuItem deleteFile = menu.findItem(R.id.delete_file);
1903            final MenuItem showErrorMessage = menu.findItem(R.id.show_error_message);
1904            onlyThisThread.setVisible(!conversation.getLockThread() && m.getThread() != null);
1905            final boolean unInitiatedButKnownSize = MessageUtils.unInitiatedButKnownSize(m);
1906            final boolean showError =
1907                    m.getStatus() == Message.STATUS_SEND_FAILED
1908                            && m.getErrorMessage() != null
1909                            && !Message.ERROR_MESSAGE_CANCELLED.equals(m.getErrorMessage());
1910            final Conversational conversational = m.getConversation();
1911            final var connection = conversational.getAccount().getXmppConnection();
1912            if (m.getStatus() == Message.STATUS_RECEIVED
1913                    && conversational instanceof Conversation c) {
1914                if (c.isWithStranger()
1915                        && m.getServerMsgId() != null
1916                        && !c.isBlocked()
1917                        && connection != null
1918                        && connection.getFeatures().spamReporting()) {
1919                    reportAndBlock.setVisible(true);
1920                }
1921            }
1922            if (conversational instanceof Conversation c) {
1923                addReaction.setVisible(
1924                        m.getStatus() != Message.STATUS_SEND_FAILED
1925                                && !m.isDeleted()
1926                                && !m.isPrivateMessage()
1927                                && (c.getMode() == Conversational.MODE_SINGLE
1928                                        || (c.getMucOptions().occupantId()
1929                                                && c.getMucOptions().participating())));
1930            } else {
1931                addReaction.setVisible(false);
1932            }
1933            if (!m.isFileOrImage()
1934                    && !encrypted
1935                    && !m.isGeoUri()
1936                    && !m.treatAsDownloadable()
1937                    && !unInitiatedButKnownSize
1938                    && t == null) {
1939                copyMessage.setVisible(true);
1940                quoteMessage.setVisible(!showError && !MessageUtils.prepareQuote(m).isEmpty());
1941                final var firstUri = Iterables.getFirst(Linkify.getLinks(m.getBody()), null);
1942                if (firstUri != null) {
1943                    final var scheme = firstUri.getScheme();
1944                    final @StringRes int resForScheme =
1945                            switch (scheme) {
1946                                case "xmpp" -> R.string.copy_jabber_id;
1947                                case "http", "https", "gemini" -> R.string.copy_link;
1948                                case "geo" -> R.string.copy_geo_uri;
1949                                case "tel" -> R.string.copy_telephone_number;
1950                                case "mailto" -> R.string.copy_email_address;
1951                                default -> R.string.copy_URI;
1952                            };
1953                    copyLink.setTitle(resForScheme);
1954                    copyLink.setVisible(true);
1955                } else {
1956                    copyLink.setVisible(false);
1957                }
1958            }
1959            quoteMessage.setVisible(!encrypted && !showError);
1960            if (m.getEncryption() == Message.ENCRYPTION_DECRYPTION_FAILED && !deleted) {
1961                retryDecryption.setVisible(true);
1962            }
1963            if (!showError
1964                    && m.getType() == Message.TYPE_TEXT
1965                    && m.isEditable()
1966                    && !m.isGeoUri()
1967                    && m.getConversation() instanceof Conversation) {
1968                correctMessage.setVisible(true);
1969                if (!m.getBody().equals("") && !m.getBody().equals(" ")) retractMessage.setVisible(true);
1970            }
1971            if (m.getStatus() == Message.STATUS_WAITING) {
1972                correctMessage.setVisible(true);
1973                retractMessage.setVisible(true);
1974            }
1975            if (conversation.getMode() == Conversation.MODE_MULTI && m.getServerMsgId() != null && m.getModerated() == null && conversation.getMucOptions().getSelf().ranks(Role.MODERATOR) && conversation.getMucOptions().hasFeature("urn:xmpp:message-moderate:0")) {
1976                moderateMessage.setVisible(true);
1977            }
1978            if ((m.isFileOrImage() && !deleted && !receiving)
1979                    || (m.getType() == Message.TYPE_TEXT && !m.treatAsDownloadable())
1980                            && !unInitiatedButKnownSize
1981                            && t == null) {
1982                shareWith.setVisible(true);
1983            }
1984            if (m.getStatus() == Message.STATUS_SEND_FAILED) {
1985                sendAgain.setVisible(true);
1986                final var httpUploadAvailable =
1987                        connection != null
1988                                && Objects.nonNull(
1989                                        connection
1990                                                .getManager(HttpUploadManager.class)
1991                                                .getService());
1992                final var fileNotUploaded = m.isFileOrImage() && !m.hasFileOnRemoteHost();
1993                final var isPeerOnline =
1994                        conversational.getMode() == Conversation.MODE_SINGLE
1995                                && (conversational instanceof Conversation c)
1996                                && !c.getContact().getPresences().isEmpty();
1997                retryAsP2P.setVisible(fileNotUploaded && isPeerOnline && httpUploadAvailable);
1998            }
1999            if (m.hasFileOnRemoteHost()
2000                    || m.isGeoUri()
2001                    || m.treatAsDownloadable()
2002                    || unInitiatedButKnownSize
2003                    || t instanceof HttpDownloadConnection) {
2004                copyUrl.setVisible(true);
2005            }
2006            if (m.isFileOrImage() && deleted && m.hasFileOnRemoteHost()) {
2007                downloadFile.setVisible(true);
2008                downloadFile.setTitle(
2009                        activity.getString(
2010                                R.string.download_x_file,
2011                                UIHelper.getFileDescriptionString(activity, m)));
2012            }
2013            final boolean waitingOfferedSending =
2014                    m.getStatus() == Message.STATUS_WAITING
2015                            || m.getStatus() == Message.STATUS_UNSEND
2016                            || m.getStatus() == Message.STATUS_OFFERED;
2017            final boolean cancelable =
2018                    (t != null && !deleted) || waitingOfferedSending && m.needsUploading();
2019            if (cancelable) {
2020                cancelTransmission.setVisible(true);
2021            }
2022            if (m.isFileOrImage() && !deleted && !cancelable) {
2023                final String path = m.getRelativeFilePath();
2024                if (path != null) {
2025                    final var file = new File(path);
2026                    if (file.canRead()) saveAsSticker.setVisible(true);
2027                    blockMedia.setVisible(true);
2028                    if (file.canWrite()) deleteFile.setVisible(true);
2029                    deleteFile.setTitle(
2030                            activity.getString(
2031                                    R.string.delete_x_file,
2032                                    UIHelper.getFileDescriptionString(activity, m)));
2033                }
2034            }
2035
2036            if (m.getFileParams() != null && !m.getFileParams().getThumbnails().isEmpty()) {
2037                // We might be showing a thumbnail worth blocking
2038                blockMedia.setVisible(true);
2039            }
2040            if (showError) {
2041                showErrorMessage.setVisible(true);
2042            }
2043            final String mime = m.isFileOrImage() ? m.getMimeType() : null;
2044            if ((m.isGeoUri() && GeoHelper.openInOsmAnd(getActivity(), m))
2045                    || (mime != null && mime.startsWith("audio/"))) {
2046                openWith.setVisible(true);
2047            }
2048        }
2049    }
2050
2051    @Override
2052    public boolean onContextItemSelected(MenuItem item) {
2053        switch (item.getItemId()) {
2054            case R.id.share_with:
2055                ShareUtil.share(activity, selectedMessage);
2056                return true;
2057            case R.id.correct_message:
2058                correctMessage(selectedMessage);
2059                return true;
2060            case R.id.retract_message:
2061                new AlertDialog.Builder(activity)
2062                    .setTitle(R.string.retract_message)
2063                    .setMessage("Do you really want to retract this message?")
2064                    .setPositiveButton(R.string.yes, (dialog, whichButton) -> {
2065                        final var message = selectedMessage;
2066                        if (message.getStatus() == Message.STATUS_WAITING || message.getStatus() == Message.STATUS_OFFERED) {
2067                            activity.xmppConnectionService.deleteMessage(message);
2068                            return;
2069                        }
2070                        Element reactions = message.getReactionsEl();
2071                        if (reactions != null) {
2072                            final Message previousReaction = conversation.findMessageReactingTo(reactions.getAttribute("id"), null);
2073                            if (previousReaction != null) reactions = previousReaction.getReactionsEl();
2074                            for (Element el : reactions.getChildren()) {
2075                                if (message.getRawBody().endsWith(el.getContent())) {
2076                                    reactions.removeChild(el);
2077                                }
2078                            }
2079                            message.setReactions(reactions);
2080                            if (previousReaction != null) {
2081                                previousReaction.setReactions(reactions);
2082                                activity.xmppConnectionService.updateMessage(previousReaction);
2083                            }
2084                        } else {
2085                            message.setInReplyTo(null);
2086                            message.clearPayloads();
2087                        }
2088                        message.setBody(" ");
2089                        message.setSubject(null);
2090                        message.putEdited(message.getUuid(), message.getServerMsgId());
2091                        message.setServerMsgId(null);
2092                        message.setUuid(UUID.randomUUID().toString());
2093                        sendMessage(message);
2094                    })
2095                    .setNegativeButton(R.string.no, null).show();
2096                return true;
2097            case R.id.moderate_message:
2098                activity.quickEdit("Spam", (reason) -> {
2099                    activity.xmppConnectionService.moderateMessage(conversation.getAccount(), selectedMessage, reason);
2100                    return null;
2101                }, R.string.moderate_reason, false, false, true, true);
2102                return true;
2103            case R.id.copy_message:
2104                ShareUtil.copyToClipboard(activity, selectedMessage);
2105                return true;
2106            case R.id.quote_message:
2107                quoteMessage(selectedMessage);
2108                return true;
2109            case R.id.send_again:
2110                resendMessage(selectedMessage, false);
2111                return true;
2112            case R.id.send_again_as_p2p:
2113                resendMessage(selectedMessage, true);
2114                return true;
2115            case R.id.copy_url:
2116                ShareUtil.copyUrlToClipboard(activity, selectedMessage);
2117                return true;
2118            case R.id.save_as_sticker:
2119                saveAsSticker(selectedMessage);
2120                return true;
2121            case R.id.download_file:
2122                startDownloadable(selectedMessage);
2123                return true;
2124            case R.id.cancel_transmission:
2125                cancelTransmission(selectedMessage);
2126                return true;
2127            case R.id.retry_decryption:
2128                retryDecryption(selectedMessage);
2129                return true;
2130            case R.id.block_media:
2131                new AlertDialog.Builder(activity)
2132                    .setTitle(R.string.block_media)
2133                    .setMessage("Do you really want to block this media in all messages?")
2134                    .setPositiveButton(R.string.yes, (dialog, whichButton) -> {
2135                        List<Element> thumbs = selectedMessage.getFileParams() != null ? selectedMessage.getFileParams().getThumbnails() : null;
2136                        if (thumbs != null && !thumbs.isEmpty()) {
2137                            for (Element thumb : thumbs) {
2138                                Uri uri = Uri.parse(thumb.getAttribute("uri"));
2139                                if (uri.getScheme().equals("cid")) {
2140                                    Cid cid = BobTransfer.cid(uri);
2141                                    if (cid == null) continue;
2142                                    DownloadableFile f = activity.xmppConnectionService.getFileForCid(cid);
2143                                    activity.xmppConnectionService.blockMedia(f);
2144                                    activity.xmppConnectionService.evictPreview(f);
2145                                    f.delete();
2146                                }
2147                            }
2148                        }
2149                        File f = activity.xmppConnectionService.getFileBackend().getFile(selectedMessage);
2150                        activity.xmppConnectionService.blockMedia(f);
2151                        activity.xmppConnectionService.getFileBackend().deleteFile(selectedMessage);
2152                        activity.xmppConnectionService.evictPreview(f);
2153                        activity.xmppConnectionService.updateMessage(selectedMessage, false);
2154                        activity.onConversationsListItemUpdated();
2155                        refresh();
2156                    })
2157                    .setNegativeButton(R.string.no, null).show();
2158                return true;
2159            case R.id.delete_file:
2160                deleteFile(selectedMessage);
2161                return true;
2162            case R.id.show_error_message:
2163                showErrorMessage(selectedMessage);
2164                return true;
2165            case R.id.open_with:
2166                openWith(selectedMessage);
2167                return true;
2168            case R.id.only_this_thread:
2169                conversation.setLockThread(true);
2170                backPressedLeaveSingleThread.setEnabled(true);
2171                setThread(selectedMessage.getThread());
2172                refresh();
2173                return true;
2174            case R.id.action_report_and_block:
2175                reportMessage(selectedMessage);
2176                return true;
2177            case R.id.action_add_reaction:
2178                addReaction(selectedMessage);
2179                return true;
2180            default:
2181                return onOptionsItemSelected(item);
2182        }
2183    }
2184
2185    @Override
2186    public boolean onOptionsItemSelected(final MenuItem item) {
2187        if (MenuDoubleTabUtil.shouldIgnoreTap()) {
2188            return false;
2189        } else if (conversation == null) {
2190            return super.onOptionsItemSelected(item);
2191        }
2192        if (item.getGroupId() == 0x1) {
2193            conversation.startWebxdc(extensions.get(item.getItemId()));
2194            return true;
2195        }
2196        switch (item.getItemId()) {
2197            case R.id.encryption_choice_axolotl:
2198            case R.id.encryption_choice_pgp:
2199            case R.id.encryption_choice_none:
2200                handleEncryptionSelection(item);
2201                break;
2202            case R.id.attach_choose_picture:
2203            //case R.id.attach_take_picture:
2204            //case R.id.attach_record_video:
2205            case R.id.attach_choose_file:
2206            case R.id.attach_record_voice:
2207            case R.id.attach_location:
2208                handleAttachmentSelection(item);
2209                break;
2210            case R.id.attach_webxdc:
2211                final Intent intent = new Intent(getActivity(), WebxdcStore.class);
2212                startActivityForResult(intent, REQUEST_WEBXDC_STORE);
2213                break;
2214            case R.id.attach_subject:
2215                binding.textinputSubject.setVisibility(binding.textinputSubject.getVisibility() == View.GONE ? View.VISIBLE : View.GONE);
2216                break;
2217            case R.id.attach_schedule:
2218                scheduleMessage();
2219                break;
2220            case R.id.action_search:
2221                startSearch();
2222                break;
2223            case R.id.action_archive:
2224                activity.xmppConnectionService.archiveConversation(conversation);
2225                break;
2226            case R.id.action_contact_details:
2227                activity.switchToContactDetails(conversation.getContact());
2228                break;
2229            case R.id.action_muc_details:
2230                ConferenceDetailsActivity.open(activity, conversation);
2231                break;
2232            case R.id.action_invite:
2233                startActivityForResult(
2234                        ChooseContactActivity.create(activity, conversation),
2235                        REQUEST_INVITE_TO_CONVERSATION);
2236                break;
2237            case R.id.action_clear_history:
2238                clearHistoryDialog(conversation);
2239                break;
2240            case R.id.action_mute:
2241                muteConversationDialog(conversation);
2242                break;
2243            case R.id.action_unmute:
2244                unMuteConversation(conversation);
2245                break;
2246            case R.id.action_block:
2247            case R.id.action_unblock:
2248                BlockContactDialog.show(activity, conversation);
2249                break;
2250            case R.id.action_audio_call:
2251                checkPermissionAndTriggerAudioCall();
2252                break;
2253            case R.id.action_video_call:
2254                checkPermissionAndTriggerVideoCall();
2255                break;
2256            case R.id.action_ongoing_call:
2257                returnToOngoingCall();
2258                break;
2259            case R.id.action_toggle_pinned:
2260                togglePinned();
2261                break;
2262            case R.id.action_add_shortcut:
2263                addShortcut();
2264                break;
2265            case R.id.action_block_avatar:
2266                new AlertDialog.Builder(activity)
2267                    .setTitle(R.string.block_media)
2268                    .setMessage("Do you really want to block this avatar?")
2269                    .setPositiveButton(R.string.yes, (dialog, whichButton) -> {
2270                            activity.xmppConnectionService.blockMedia(activity.xmppConnectionService.getFileBackend().getAvatarFile(conversation.getContact().getAvatar()));
2271                            activity.xmppConnectionService.getFileBackend().getAvatarFile(conversation.getContact().getAvatar()).delete();
2272                            activity.avatarService().clear(conversation);
2273                            conversation.getContact().setAvatar(null);
2274                            activity.xmppConnectionService.updateConversationUi();
2275                    })
2276                    .setNegativeButton(R.string.no, null).show();
2277            case R.id.action_refresh_feature_discovery:
2278                refreshFeatureDiscovery();
2279                break;
2280            default:
2281                break;
2282        }
2283        return super.onOptionsItemSelected(item);
2284    }
2285
2286    public boolean onBackPressed() {
2287        boolean wasLocked = conversation.getLockThread();
2288        conversation.setLockThread(false);
2289        backPressedLeaveSingleThread.setEnabled(false);
2290        if (wasLocked) {
2291            setThread(null);
2292            conversation.setUserSelectedThread(false);
2293            refresh();
2294            updateThreadFromLastMessage();
2295            return true;
2296        }
2297        return false;
2298    }
2299
2300    private void startSearch() {
2301        final Intent intent = new Intent(getActivity(), SearchActivity.class);
2302        intent.putExtra(SearchActivity.EXTRA_CONVERSATION_UUID, conversation.getUuid());
2303        startActivity(intent);
2304    }
2305
2306    private void scheduleMessage() {
2307        if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.N) {
2308            final var datePicker = com.google.android.material.datepicker.MaterialDatePicker.Builder.datePicker()
2309                .setTitleText("Schedule Message")
2310                .setSelection(com.google.android.material.datepicker.MaterialDatePicker.todayInUtcMilliseconds())
2311                .setCalendarConstraints(
2312                    new com.google.android.material.datepicker.CalendarConstraints.Builder()
2313                        .setStart(com.google.android.material.datepicker.MaterialDatePicker.todayInUtcMilliseconds())
2314                        .build()
2315                 )
2316                .build();
2317            datePicker.addOnPositiveButtonClickListener((date) -> {
2318                final Calendar now = Calendar.getInstance();
2319                final var timePicker = new com.google.android.material.timepicker.MaterialTimePicker.Builder()
2320                    .setTitleText("Schedule Message")
2321                    .setHour(now.get(Calendar.HOUR_OF_DAY))
2322                    .setMinute(now.get(Calendar.MINUTE))
2323                    .setTimeFormat(android.text.format.DateFormat.is24HourFormat(activity) ? com.google.android.material.timepicker.TimeFormat.CLOCK_24H : com.google.android.material.timepicker.TimeFormat.CLOCK_12H)
2324                    .build();
2325                timePicker.addOnPositiveButtonClickListener((v2) -> {
2326                        final var dateCal = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
2327                        dateCal.setTimeInMillis(date);
2328                        final var time = Calendar.getInstance();
2329                        time.set(dateCal.get(Calendar.YEAR), dateCal.get(Calendar.MONTH), dateCal.get(Calendar.DAY_OF_MONTH), timePicker.getHour(), timePicker.getMinute(), 0);
2330                        final long timestamp = time.getTimeInMillis();
2331                        sendMessage(timestamp);
2332                        Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": scheduled message for " + timestamp);
2333                    });
2334                timePicker.show(activity.getSupportFragmentManager(), "schedulMessageTime");
2335            });
2336            datePicker.show(activity.getSupportFragmentManager(), "schedulMessageDate");
2337        }
2338    }
2339
2340    private void returnToOngoingCall() {
2341        final Optional<OngoingRtpSession> ongoingRtpSession =
2342                activity.xmppConnectionService
2343                        .getJingleConnectionManager()
2344                        .getOngoingRtpConnection(conversation.getContact());
2345        if (ongoingRtpSession.isPresent()) {
2346            final OngoingRtpSession id = ongoingRtpSession.get();
2347            final Intent intent = new Intent(getActivity(), RtpSessionActivity.class);
2348            intent.setAction(Intent.ACTION_VIEW);
2349            intent.putExtra(
2350                    RtpSessionActivity.EXTRA_ACCOUNT,
2351                    id.getAccount().getJid().asBareJid().toString());
2352            intent.putExtra(RtpSessionActivity.EXTRA_WITH, id.getWith().toString());
2353            if (id instanceof AbstractJingleConnection) {
2354                intent.putExtra(RtpSessionActivity.EXTRA_SESSION_ID, id.getSessionId());
2355                startActivity(intent);
2356            } else if (id instanceof JingleConnectionManager.RtpSessionProposal proposal) {
2357                if (Media.audioOnly(proposal.media)) {
2358                    intent.putExtra(
2359                            RtpSessionActivity.EXTRA_LAST_ACTION,
2360                            RtpSessionActivity.ACTION_MAKE_VOICE_CALL);
2361                } else {
2362                    intent.putExtra(
2363                            RtpSessionActivity.EXTRA_LAST_ACTION,
2364                            RtpSessionActivity.ACTION_MAKE_VIDEO_CALL);
2365                }
2366                intent.putExtra(RtpSessionActivity.EXTRA_PROPOSED_SESSION_ID, proposal.sessionId);
2367                startActivity(intent);
2368            }
2369        }
2370    }
2371
2372    private void refreshFeatureDiscovery() {
2373        final var connection = conversation.getContact().getAccount().getXmppConnection();
2374        if (connection == null) return;
2375
2376        var jids = conversation.getContact().getPresences().getFullJids();
2377        if (jids.isEmpty()) {
2378            jids = new HashSet<>();
2379            jids.add(conversation.getContact().getJid());
2380        }
2381        for (final var jid : jids) {
2382            Futures.addCallback(
2383                connection.getManager(DiscoManager.class).info(Entity.presence(jid), null, null),
2384                new FutureCallback<>() {
2385                    @Override
2386                    public void onSuccess(InfoQuery disco) {
2387                        if (activity == null) return;
2388                        activity.runOnUiThread(() -> {
2389                            refresh();
2390                            refreshCommands(true);
2391                        });
2392                    }
2393
2394                    @Override
2395                    public void onFailure(@NonNull Throwable throwable) {}
2396                },
2397                MoreExecutors.directExecutor()
2398            );
2399        }
2400    }
2401
2402    private void addShortcut() {
2403        ShortcutInfoCompat info;
2404        if (conversation.getMode() == Conversation.MODE_MULTI) {
2405            info = activity.xmppConnectionService.getShortcutService().getShortcutInfo(conversation.getMucOptions());
2406        } else {
2407            info = activity.xmppConnectionService.getShortcutService().getShortcutInfo(conversation.getContact());
2408        }
2409        ShortcutManagerCompat.requestPinShortcut(activity, info, null);
2410    }
2411
2412    private void togglePinned() {
2413        final boolean pinned =
2414                conversation.getBooleanAttribute(Conversation.ATTRIBUTE_PINNED_ON_TOP, false);
2415        conversation.setAttribute(Conversation.ATTRIBUTE_PINNED_ON_TOP, !pinned);
2416        activity.xmppConnectionService.updateConversation(conversation);
2417        activity.invalidateOptionsMenu();
2418    }
2419
2420    private void checkPermissionAndTriggerAudioCall() {
2421        if (activity.mUseTor || conversation.getAccount().isOnion()) {
2422            Toast.makeText(activity, R.string.disable_tor_to_make_call, Toast.LENGTH_SHORT).show();
2423            return;
2424        }
2425        final List<String> permissions;
2426        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
2427            permissions =
2428                    Arrays.asList(
2429                            Manifest.permission.RECORD_AUDIO,
2430                            Manifest.permission.BLUETOOTH_CONNECT);
2431        } else {
2432            permissions = Collections.singletonList(Manifest.permission.RECORD_AUDIO);
2433        }
2434        if (hasPermissions(REQUEST_START_AUDIO_CALL, permissions)) {
2435            triggerRtpSession(RtpSessionActivity.ACTION_MAKE_VOICE_CALL);
2436        }
2437    }
2438
2439    private void checkPermissionAndTriggerVideoCall() {
2440        if (activity.mUseTor || conversation.getAccount().isOnion()) {
2441            Toast.makeText(activity, R.string.disable_tor_to_make_call, Toast.LENGTH_SHORT).show();
2442            return;
2443        }
2444        final List<String> permissions;
2445        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
2446            permissions =
2447                    Arrays.asList(
2448                            Manifest.permission.RECORD_AUDIO,
2449                            Manifest.permission.CAMERA,
2450                            Manifest.permission.BLUETOOTH_CONNECT);
2451        } else {
2452            permissions =
2453                    Arrays.asList(Manifest.permission.RECORD_AUDIO, Manifest.permission.CAMERA);
2454        }
2455        if (hasPermissions(REQUEST_START_VIDEO_CALL, permissions)) {
2456            triggerRtpSession(RtpSessionActivity.ACTION_MAKE_VIDEO_CALL);
2457        }
2458    }
2459
2460    private void triggerRtpSession(final String action) {
2461        if (activity.xmppConnectionService.getJingleConnectionManager().isBusy()) {
2462            Toast.makeText(getActivity(), R.string.only_one_call_at_a_time, Toast.LENGTH_LONG)
2463                    .show();
2464            return;
2465        }
2466        final Account account = conversation.getAccount();
2467        if (account.setOption(Account.OPTION_SOFT_DISABLED, false)) {
2468            activity.xmppConnectionService.updateAccount(account);
2469        }
2470        final Contact contact = conversation.getContact();
2471        if (Config.USE_JINGLE_MESSAGE_INIT && RtpCapability.jmiSupport(contact)) {
2472            triggerRtpSession(contact.getAccount(), contact.getJid().asBareJid(), action);
2473        } else {
2474            final RtpCapability.Capability capability;
2475            if (action.equals(RtpSessionActivity.ACTION_MAKE_VIDEO_CALL)) {
2476                capability = RtpCapability.Capability.VIDEO;
2477            } else {
2478                capability = RtpCapability.Capability.AUDIO;
2479            }
2480            PresenceSelector.selectFullJidForDirectRtpConnection(
2481                    activity,
2482                    contact,
2483                    capability,
2484                    fullJid -> {
2485                        triggerRtpSession(contact.getAccount(), fullJid, action);
2486                    });
2487        }
2488    }
2489
2490    private void triggerRtpSession(final Account account, final Jid with, final String action) {
2491        CallIntegrationConnectionService.placeCall(
2492                activity.xmppConnectionService,
2493                account,
2494                with,
2495                RtpSessionActivity.actionToMedia(action));
2496    }
2497
2498    private void handleAttachmentSelection(MenuItem item) {
2499        switch (item.getItemId()) {
2500            case R.id.attach_choose_picture:
2501                attachFile(ATTACHMENT_CHOICE_CHOOSE_IMAGE);
2502                break;
2503            /*case R.id.attach_take_picture:
2504                attachFile(ATTACHMENT_CHOICE_TAKE_PHOTO);
2505                break;
2506            case R.id.attach_record_video:
2507                attachFile(ATTACHMENT_CHOICE_RECORD_VIDEO);
2508                break;*/
2509            case R.id.attach_choose_file:
2510                attachFile(ATTACHMENT_CHOICE_CHOOSE_FILE);
2511                break;
2512            case R.id.attach_record_voice:
2513                attachFile(ATTACHMENT_CHOICE_RECORD_VOICE);
2514                break;
2515            case R.id.attach_location:
2516                attachFile(ATTACHMENT_CHOICE_LOCATION);
2517                break;
2518        }
2519    }
2520
2521    private void handleEncryptionSelection(MenuItem item) {
2522        if (conversation == null) {
2523            return;
2524        }
2525        final boolean updated;
2526        switch (item.getItemId()) {
2527            case R.id.encryption_choice_none:
2528                updated = conversation.setNextEncryption(Message.ENCRYPTION_NONE);
2529                item.setChecked(true);
2530                break;
2531            case R.id.encryption_choice_pgp:
2532                if (activity.hasPgp()) {
2533                    if (conversation.getAccount().getPgpSignature() != null) {
2534                        updated = conversation.setNextEncryption(Message.ENCRYPTION_PGP);
2535                        item.setChecked(true);
2536                    } else {
2537                        updated = false;
2538                        activity.announcePgp(
2539                                conversation.getAccount(),
2540                                conversation,
2541                                null,
2542                                activity.onOpenPGPKeyPublished);
2543                    }
2544                } else {
2545                    activity.showInstallPgpDialog();
2546                    updated = false;
2547                }
2548                break;
2549            case R.id.encryption_choice_axolotl:
2550                Log.d(
2551                        Config.LOGTAG,
2552                        AxolotlService.getLogprefix(conversation.getAccount())
2553                                + "Enabled axolotl for Contact "
2554                                + conversation.getContact().getJid());
2555                updated = conversation.setNextEncryption(Message.ENCRYPTION_AXOLOTL);
2556                item.setChecked(true);
2557                break;
2558            default:
2559                updated = conversation.setNextEncryption(Message.ENCRYPTION_NONE);
2560                break;
2561        }
2562        if (updated) {
2563            activity.xmppConnectionService.updateConversation(conversation);
2564        }
2565        updateChatMsgHint();
2566        getActivity().invalidateOptionsMenu();
2567        activity.refreshUi();
2568    }
2569
2570    public void attachFile(final int attachmentChoice) {
2571        attachFile(attachmentChoice, true, false);
2572    }
2573
2574    public void attachFile(final int attachmentChoice, final boolean updateRecentlyUsed) {
2575        attachFile(attachmentChoice, updateRecentlyUsed, false);
2576    }
2577
2578    public void attachFile(final int attachmentChoice, final boolean updateRecentlyUsed, final boolean fromPermissions) {
2579        if (attachmentChoice == ATTACHMENT_CHOICE_RECORD_VOICE) {
2580            if (!hasPermissions(
2581                    attachmentChoice,
2582                    Manifest.permission.WRITE_EXTERNAL_STORAGE,
2583                    Manifest.permission.RECORD_AUDIO)) {
2584                return;
2585            }
2586        } else if (attachmentChoice == ATTACHMENT_CHOICE_TAKE_PHOTO
2587                || attachmentChoice == ATTACHMENT_CHOICE_RECORD_VIDEO
2588                || (attachmentChoice == ATTACHMENT_CHOICE_CHOOSE_IMAGE && !fromPermissions)) {
2589            if (!hasPermissions(
2590                    attachmentChoice,
2591                    Manifest.permission.WRITE_EXTERNAL_STORAGE,
2592                    Manifest.permission.CAMERA)) {
2593                return;
2594            }
2595        } else if (attachmentChoice != ATTACHMENT_CHOICE_LOCATION) {
2596            if (!hasPermissions(attachmentChoice, Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
2597                return;
2598            }
2599        }
2600        if (updateRecentlyUsed) {
2601            storeRecentlyUsedQuickAction(attachmentChoice);
2602        }
2603        final int encryption = conversation.getNextEncryption();
2604        final int mode = conversation.getMode();
2605        if (encryption == Message.ENCRYPTION_PGP) {
2606            if (activity.hasPgp()) {
2607                if (mode == Conversation.MODE_SINGLE
2608                        && conversation.getContact().getPgpKeyId() != 0) {
2609                    activity.xmppConnectionService
2610                            .getPgpEngine()
2611                            .hasKey(
2612                                    conversation.getContact(),
2613                                    new UiCallback<Contact>() {
2614
2615                                        @Override
2616                                        public void userInputRequired(
2617                                                PendingIntent pi, Contact contact) {
2618                                            startPendingIntent(pi, attachmentChoice);
2619                                        }
2620
2621                                        @Override
2622                                        public void success(Contact contact) {
2623                                            invokeAttachFileIntent(attachmentChoice);
2624                                        }
2625
2626                                        @Override
2627                                        public void error(int error, Contact contact) {
2628                                            activity.replaceToast(getString(error));
2629                                        }
2630                                    });
2631                } else if (mode == Conversation.MODE_MULTI
2632                        && conversation.getMucOptions().pgpKeysInUse()) {
2633                    if (!conversation.getMucOptions().everybodyHasKeys()) {
2634                        Toast warning =
2635                                Toast.makeText(
2636                                        getActivity(),
2637                                        R.string.missing_public_keys,
2638                                        Toast.LENGTH_LONG);
2639                        warning.setGravity(Gravity.CENTER_VERTICAL, 0, 0);
2640                        warning.show();
2641                    }
2642                    invokeAttachFileIntent(attachmentChoice);
2643                } else {
2644                    showNoPGPKeyDialog(
2645                            false,
2646                            (dialog, which) -> {
2647                                conversation.setNextEncryption(Message.ENCRYPTION_NONE);
2648                                activity.xmppConnectionService.updateConversation(conversation);
2649                                invokeAttachFileIntent(attachmentChoice);
2650                            });
2651                }
2652            } else {
2653                activity.showInstallPgpDialog();
2654            }
2655        } else {
2656            invokeAttachFileIntent(attachmentChoice);
2657        }
2658    }
2659
2660    private void storeRecentlyUsedQuickAction(final int attachmentChoice) {
2661        try {
2662            activity.getPreferences()
2663                    .edit()
2664                    .putString(
2665                            RECENTLY_USED_QUICK_ACTION,
2666                            SendButtonAction.of(attachmentChoice).toString())
2667                    .apply();
2668        } catch (IllegalArgumentException e) {
2669            // just do not save
2670        }
2671    }
2672
2673    @Override
2674    public void onRequestPermissionsResult(
2675            int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
2676        final PermissionUtils.PermissionResult permissionResult =
2677                PermissionUtils.removeBluetoothConnect(permissions, grantResults);
2678        if (grantResults.length > 0) {
2679            if (allGranted(permissionResult.grantResults) || requestCode == ATTACHMENT_CHOICE_CHOOSE_IMAGE) {
2680                switch (requestCode) {
2681                    case REQUEST_START_DOWNLOAD:
2682                        if (this.mPendingDownloadableMessage != null) {
2683                            startDownloadable(this.mPendingDownloadableMessage);
2684                        }
2685                        break;
2686                    case REQUEST_ADD_EDITOR_CONTENT:
2687                        if (this.mPendingEditorContent != null) {
2688                            attachEditorContentToConversation(this.mPendingEditorContent);
2689                        }
2690                        break;
2691                    case REQUEST_COMMIT_ATTACHMENTS:
2692                        commitAttachments();
2693                        break;
2694                    case REQUEST_START_AUDIO_CALL:
2695                        triggerRtpSession(RtpSessionActivity.ACTION_MAKE_VOICE_CALL);
2696                        break;
2697                    case REQUEST_START_VIDEO_CALL:
2698                        triggerRtpSession(RtpSessionActivity.ACTION_MAKE_VIDEO_CALL);
2699                        break;
2700                    default:
2701                        attachFile(requestCode, true, true);
2702                        break;
2703                }
2704            } else {
2705                @StringRes int res;
2706                String firstDenied =
2707                        getFirstDenied(permissionResult.grantResults, permissionResult.permissions);
2708                if (Manifest.permission.RECORD_AUDIO.equals(firstDenied)) {
2709                    res = R.string.no_microphone_permission;
2710                } else if (Manifest.permission.CAMERA.equals(firstDenied)) {
2711                    res = R.string.no_camera_permission;
2712                } else {
2713                    res = R.string.no_storage_permission;
2714                }
2715                Toast.makeText(
2716                                getActivity(),
2717                                getString(res, getString(R.string.app_name)),
2718                                Toast.LENGTH_SHORT)
2719                        .show();
2720            }
2721        }
2722        if (writeGranted(grantResults, permissions)) {
2723            if (activity != null && activity.xmppConnectionService != null) {
2724                activity.xmppConnectionService.getDrawableCache().evictAll();
2725                activity.xmppConnectionService.restartFileObserver();
2726            }
2727            refresh();
2728        }
2729        if (cameraGranted(grantResults, permissions) || audioGranted(grantResults, permissions)) {
2730            XmppConnectionService.toggleForegroundService(activity);
2731        }
2732    }
2733
2734    public void startDownloadable(Message message) {
2735        if (!hasPermissions(REQUEST_START_DOWNLOAD, Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
2736            this.mPendingDownloadableMessage = message;
2737            return;
2738        }
2739        Transferable transferable = message.getTransferable();
2740        if (transferable != null) {
2741            if (transferable instanceof TransferablePlaceholder && message.hasFileOnRemoteHost()) {
2742                createNewConnection(message);
2743                return;
2744            }
2745            if (!transferable.start()) {
2746                Log.d(Config.LOGTAG, "type: " + transferable.getClass().getName());
2747                Toast.makeText(getActivity(), R.string.not_connected_try_again, Toast.LENGTH_SHORT)
2748                        .show();
2749            }
2750        } else if (message.treatAsDownloadable()
2751                || message.hasFileOnRemoteHost()
2752                || MessageUtils.unInitiatedButKnownSize(message)) {
2753            createNewConnection(message);
2754        } else {
2755            Log.d(
2756                    Config.LOGTAG,
2757                    message.getConversation().getAccount() + ": unable to start downloadable");
2758        }
2759    }
2760
2761    private void createNewConnection(final Message message) {
2762        if (!activity.xmppConnectionService.hasInternetConnection()) {
2763            Toast.makeText(getActivity(), R.string.not_connected_try_again, Toast.LENGTH_SHORT)
2764                    .show();
2765            return;
2766        }
2767        if (message.getOob() != null && "cid".equalsIgnoreCase(message.getOob().getScheme())) {
2768            try {
2769                BobTransfer transfer = new BobTransfer.ForMessage(message, activity.xmppConnectionService);
2770                message.setTransferable(transfer);
2771                transfer.start();
2772            } catch (URISyntaxException e) {
2773                Log.d(Config.LOGTAG, "BobTransfer failed to parse URI");
2774            }
2775        } else {
2776            activity.xmppConnectionService
2777                    .getHttpConnectionManager()
2778                    .createNewDownloadConnection(message, true);
2779        }
2780    }
2781
2782    @SuppressLint("InflateParams")
2783    protected void clearHistoryDialog(final Conversation conversation) {
2784        final MaterialAlertDialogBuilder builder =
2785                new MaterialAlertDialogBuilder(requireActivity());
2786        builder.setTitle(R.string.clear_conversation_history);
2787        final View dialogView =
2788                requireActivity().getLayoutInflater().inflate(R.layout.dialog_clear_history, null);
2789        final CheckBox endConversationCheckBox =
2790                dialogView.findViewById(R.id.end_conversation_checkbox);
2791        builder.setView(dialogView);
2792        builder.setNegativeButton(getString(R.string.cancel), null);
2793        builder.setPositiveButton(
2794                getString(R.string.confirm),
2795                (dialog, which) -> {
2796                    this.activity.xmppConnectionService.clearConversationHistory(conversation);
2797                    if (endConversationCheckBox.isChecked()) {
2798                        this.activity.xmppConnectionService.archiveConversation(conversation);
2799                        this.activity.onConversationArchived(conversation);
2800                    } else {
2801                        activity.onConversationsListItemUpdated();
2802                        refresh();
2803                    }
2804                });
2805        builder.create().show();
2806    }
2807
2808    protected void muteConversationDialog(final Conversation conversation) {
2809        final MaterialAlertDialogBuilder builder =
2810                new MaterialAlertDialogBuilder(requireActivity());
2811        builder.setTitle(R.string.disable_notifications);
2812        final int[] durations = activity.getResources().getIntArray(R.array.mute_options_durations);
2813        final CharSequence[] labels = new CharSequence[durations.length];
2814        for (int i = 0; i < durations.length; ++i) {
2815            if (durations[i] == -1) {
2816                labels[i] = activity.getString(R.string.until_further_notice);
2817            } else {
2818                labels[i] = TimeFrameUtils.resolve(activity, 1000L * durations[i]);
2819            }
2820        }
2821        builder.setItems(
2822                labels,
2823                (dialog, which) -> {
2824                    final long till;
2825                    if (durations[which] == -1) {
2826                        till = Long.MAX_VALUE;
2827                    } else {
2828                        till = System.currentTimeMillis() + (durations[which] * 1000L);
2829                    }
2830                    conversation.setMutedTill(till);
2831                    activity.xmppConnectionService.updateConversation(conversation);
2832                    activity.onConversationsListItemUpdated();
2833                    refresh();
2834                    activity.invalidateOptionsMenu();
2835                });
2836        builder.create().show();
2837    }
2838
2839    private boolean hasPermissions(int requestCode, List<String> permissions) {
2840        final List<String> missingPermissions = new ArrayList<>();
2841        for (String permission : permissions) {
2842            if ((Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU
2843                            || Config.ONLY_INTERNAL_STORAGE)
2844                    && permission.equals(Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
2845                continue;
2846            }
2847            if (activity.checkSelfPermission(permission) != PackageManager.PERMISSION_GRANTED) {
2848                missingPermissions.add(permission);
2849            }
2850        }
2851        if (missingPermissions.size() == 0) {
2852            return true;
2853        } else {
2854            requestPermissions(missingPermissions.toArray(new String[0]), requestCode);
2855            return false;
2856        }
2857    }
2858
2859    private boolean hasPermissions(int requestCode, String... permissions) {
2860        return hasPermissions(requestCode, ImmutableList.copyOf(permissions));
2861    }
2862
2863    public void unMuteConversation(final Conversation conversation) {
2864        conversation.setMutedTill(0);
2865        this.activity.xmppConnectionService.updateConversation(conversation);
2866        this.activity.onConversationsListItemUpdated();
2867        refresh();
2868        this.activity.invalidateOptionsMenu();
2869    }
2870
2871    protected void invokeAttachFileIntent(final int attachmentChoice) {
2872        Intent intent = new Intent();
2873
2874        final var takePhotoIntent = new Intent();
2875        final Uri takePhotoUri = activity.xmppConnectionService.getFileBackend().getTakePhotoUri();
2876        pendingTakePhotoUri.push(takePhotoUri);
2877        takePhotoIntent.putExtra(MediaStore.EXTRA_OUTPUT, takePhotoUri);
2878        takePhotoIntent.addFlags(Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
2879        takePhotoIntent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
2880        takePhotoIntent.setAction(MediaStore.ACTION_IMAGE_CAPTURE);
2881
2882        final var takeVideoIntent = new Intent();
2883        takeVideoIntent.setAction(MediaStore.ACTION_VIDEO_CAPTURE);
2884
2885        switch (attachmentChoice) {
2886            case ATTACHMENT_CHOICE_CHOOSE_IMAGE:
2887                intent.setAction(Intent.ACTION_GET_CONTENT);
2888                intent.putExtra(Intent.EXTRA_ALLOW_MULTIPLE, true);
2889                intent.setType("*/*");
2890                intent.putExtra(Intent.EXTRA_MIME_TYPES, new String[] {"image/*", "video/*"});
2891                intent = Intent.createChooser(intent, getString(R.string.perform_action_with));
2892                if (activity.checkSelfPermission(Manifest.permission.CAMERA) == PackageManager.PERMISSION_GRANTED) {
2893                    intent.putExtra(Intent.EXTRA_INITIAL_INTENTS, new Intent[] { takePhotoIntent, takeVideoIntent });
2894                }
2895                break;
2896            case ATTACHMENT_CHOICE_RECORD_VIDEO:
2897                intent = takeVideoIntent;
2898                break;
2899            case ATTACHMENT_CHOICE_TAKE_PHOTO:
2900                intent = takePhotoIntent;
2901                break;
2902            case ATTACHMENT_CHOICE_CHOOSE_FILE:
2903                intent.setAction(Intent.ACTION_GET_CONTENT);
2904                intent.putExtra(Intent.EXTRA_ALLOW_MULTIPLE, true);
2905                intent.setType("*/*");
2906                intent.addCategory(Intent.CATEGORY_OPENABLE);
2907                intent = Intent.createChooser(intent, getString(R.string.perform_action_with));
2908                break;
2909            case ATTACHMENT_CHOICE_RECORD_VOICE:
2910                intent = new Intent(getActivity(), RecordingActivity.class);
2911                break;
2912            case ATTACHMENT_CHOICE_LOCATION:
2913                intent = GeoHelper.getFetchIntent(activity);
2914                break;
2915        }
2916        final Context context = getActivity();
2917        if (context == null) {
2918            return;
2919        }
2920        try {
2921            startActivityForResult(intent, attachmentChoice);
2922        } catch (final ActivityNotFoundException e) {
2923            Toast.makeText(context, R.string.no_application_found, Toast.LENGTH_LONG).show();
2924        }
2925    }
2926
2927    @Override
2928    public void onResume() {
2929        super.onResume();
2930        binding.messagesView.post(this::fireReadEvent);
2931    }
2932
2933    private void fireReadEvent() {
2934        if (activity != null && this.conversation != null) {
2935            String uuid = getLastVisibleMessageUuid();
2936            if (uuid != null) {
2937                activity.onConversationRead(this.conversation, uuid);
2938            }
2939        }
2940    }
2941
2942    private void newSubThread() {
2943        Element oldThread = conversation.getThread();
2944        Element thread = new Element("thread", "jabber:client");
2945        thread.setContent(UUID.randomUUID().toString());
2946        if (oldThread != null) thread.setAttribute("parent", oldThread.getContent());
2947        setThread(thread);
2948    }
2949
2950    private void newThread() {
2951        Element thread = new Element("thread", "jabber:client");
2952        thread.setContent(UUID.randomUUID().toString());
2953        setThread(thread);
2954    }
2955
2956    private void updateThreadFromLastMessage() {
2957        if (this.conversation != null && !this.conversation.getUserSelectedThread() && TextUtils.isEmpty(binding.textinput.getText())) {
2958            Message message = getLastVisibleMessage();
2959            if (message == null) {
2960                newThread();
2961            } else {
2962                if (conversation.getMode() == Conversation.MODE_MULTI) {
2963                    if (activity == null || activity.xmppConnectionService == null) return;
2964                    if (message.getStatus() < Message.STATUS_SEND) {
2965                        if (!activity.xmppConnectionService.getBooleanPreference("follow_thread_in_channel", R.bool.follow_thread_in_channel)) return;
2966                    }
2967                }
2968
2969                setThread(message.getThread());
2970            }
2971        }
2972    }
2973
2974    private String getLastVisibleMessageUuid() {
2975        Message message =  getLastVisibleMessage();
2976        return message == null ? null : message.getUuid();
2977    }
2978
2979    private Message getLastVisibleMessage() {
2980        if (binding == null) {
2981            return null;
2982        }
2983        synchronized (this.messageList) {
2984            int pos = binding.messagesView.getLastVisiblePosition();
2985            if (pos >= 0) {
2986                Message message = null;
2987                for (int i = pos; i >= 0; --i) {
2988                    try {
2989                        message = (Message) binding.messagesView.getItemAtPosition(i);
2990                    } catch (IndexOutOfBoundsException e) {
2991                        // should not happen if we synchronize properly. however if that fails we
2992                        // just gonna try item -1
2993                        continue;
2994                    }
2995                    if (message.getType() != Message.TYPE_STATUS) {
2996                        break;
2997                    }
2998                }
2999                if (message != null) {
3000                    return message;
3001                }
3002            }
3003        }
3004        return null;
3005    }
3006
3007    public void jumpTo(final Message message) {
3008        if (message.getUuid() == null) return;
3009        for (int i = 0; i < messageList.size(); i++) {
3010            final var m = messageList.get(i);
3011            if (m == null) continue;
3012            if (message.getUuid().equals(m.getUuid())) {
3013                binding.messagesView.setSelection(i);
3014                return;
3015            }
3016        }
3017    }
3018
3019    private void openWith(final Message message) {
3020        if (message.isGeoUri()) {
3021            GeoHelper.view(getActivity(), message);
3022        } else {
3023            final DownloadableFile file =
3024                    activity.xmppConnectionService.getFileBackend().getFile(message);
3025            final var fp = message.getFileParams();
3026            final var name = fp == null ? null : fp.getName();
3027            final var displayName = name == null ? file.getName() : name;
3028            ViewUtil.view(activity, file, displayName);
3029        }
3030    }
3031
3032    public void addReaction(final Message message) {
3033        activity.addReaction(emoji -> {
3034            setupReply(message);
3035            binding.textinput.setText(emoji.toInsert());
3036            sendMessage();
3037        });
3038    }
3039
3040    private void reportMessage(final Message message) {
3041        BlockContactDialog.show(activity, conversation.getContact(), message.getServerMsgId());
3042    }
3043
3044    private void showErrorMessage(final Message message) {
3045        final MaterialAlertDialogBuilder builder =
3046                new MaterialAlertDialogBuilder(requireActivity());
3047        builder.setTitle(R.string.error_message);
3048        final String errorMessage = message.getErrorMessage();
3049        final String[] errorMessageParts =
3050                errorMessage == null ? new String[0] : errorMessage.split("\\u001f");
3051        final String displayError;
3052        if (errorMessageParts.length == 2) {
3053            displayError = errorMessageParts[1];
3054        } else {
3055            displayError = errorMessage;
3056        }
3057        builder.setMessage(displayError);
3058        builder.setNegativeButton(
3059                R.string.copy_to_clipboard,
3060                (dialog, which) -> {
3061                    if (activity.copyTextToClipboard(displayError, R.string.error_message)
3062                            && Build.VERSION.SDK_INT < Build.VERSION_CODES.TIRAMISU) {
3063                        Toast.makeText(
3064                                        activity,
3065                                        R.string.error_message_copied_to_clipboard,
3066                                        Toast.LENGTH_SHORT)
3067                                .show();
3068                    }
3069                });
3070        builder.setPositiveButton(R.string.confirm, null);
3071        builder.create().show();
3072    }
3073
3074    public boolean onInlineImageLongClicked(Cid cid) {
3075        DownloadableFile f = activity.xmppConnectionService.getFileForCid(cid);
3076        if (f == null) return false;
3077
3078        saveAsSticker(f, null);
3079        return true;
3080    }
3081
3082    private void saveAsSticker(final Message m) {
3083        String existingName = m.getFileParams() != null && m.getFileParams().getName() != null ? m.getFileParams().getName() : "";
3084        existingName = existingName.lastIndexOf(".") == -1 ? existingName : existingName.substring(0, existingName.lastIndexOf("."));
3085        saveAsSticker(activity.xmppConnectionService.getFileBackend().getFile(m), existingName);
3086    }
3087
3088    private void saveAsSticker(final File file, final String name) {
3089        savingAsSticker = file;
3090
3091        Intent intent = new Intent(Intent.ACTION_CREATE_DOCUMENT);
3092        intent.addCategory(Intent.CATEGORY_OPENABLE);
3093        intent.setType(MimeUtils.guessMimeTypeFromUri(activity, activity.xmppConnectionService.getFileBackend().getUriForFile(activity, file, file.getName())));
3094        intent.putExtra(Intent.EXTRA_TITLE, name);
3095
3096        SharedPreferences p = PreferenceManager.getDefaultSharedPreferences(activity);
3097        final String dir = p.getString("sticker_directory", "Stickers");
3098        if (dir.startsWith("content://")) {
3099            intent.putExtra("android.provider.extra.INITIAL_URI", Uri.parse(dir));
3100        } else {
3101            new File(Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES) + "/" + dir + "/User Pack").mkdirs();
3102            Uri uri;
3103            if (Build.VERSION.SDK_INT >= 29) {
3104                Intent tmp = ((StorageManager) activity.getSystemService(Context.STORAGE_SERVICE)).getPrimaryStorageVolume().createOpenDocumentTreeIntent();
3105                uri = tmp.getParcelableExtra("android.provider.extra.INITIAL_URI");
3106                uri = Uri.parse(uri.toString().replace("/root/", "/document/") + "%3APictures%2F" + dir);
3107            } else {
3108                uri = Uri.parse("content://com.android.externalstorage.documents/document/primary%3APictures%2F" + dir);
3109            }
3110            intent.putExtra("android.provider.extra.INITIAL_URI", uri);
3111            intent.putExtra("android.content.extra.SHOW_ADVANCED", true);
3112        }
3113
3114        Toast.makeText(activity, "Choose a sticker pack to add this sticker to", Toast.LENGTH_SHORT).show();
3115        startActivityForResult(Intent.createChooser(intent, "Choose sticker pack"), REQUEST_SAVE_STICKER);
3116    }
3117
3118    private void deleteFile(final Message message) {
3119        final MaterialAlertDialogBuilder builder =
3120                new MaterialAlertDialogBuilder(requireActivity());
3121        builder.setNegativeButton(R.string.cancel, null);
3122        builder.setTitle(R.string.delete_file_dialog);
3123        builder.setMessage(R.string.delete_file_dialog_msg);
3124        builder.setPositiveButton(
3125                R.string.confirm,
3126                (dialog, which) -> {
3127                    List<Element> thumbs = selectedMessage.getFileParams() != null ? selectedMessage.getFileParams().getThumbnails() : null;
3128                    if (thumbs != null && !thumbs.isEmpty()) {
3129                        for (Element thumb : thumbs) {
3130                            Uri uri = Uri.parse(thumb.getAttribute("uri"));
3131                            if (uri.getScheme().equals("cid")) {
3132                                Cid cid = BobTransfer.cid(uri);
3133                                if (cid == null) continue;
3134                                DownloadableFile f = activity.xmppConnectionService.getFileForCid(cid);
3135                                activity.xmppConnectionService.evictPreview(f);
3136                                f.delete();
3137                            }
3138                        }
3139                    }
3140                    if (activity.xmppConnectionService.getFileBackend().deleteFile(message)) {
3141                        activity.xmppConnectionService.evictPreview(activity.xmppConnectionService.getFileBackend().getFile(message));
3142                        activity.xmppConnectionService.updateMessage(message, false);
3143                        activity.onConversationsListItemUpdated();
3144                        refresh();
3145                    }
3146                });
3147        builder.create().show();
3148    }
3149
3150    private void resendMessage(final Message message, final boolean forceP2P) {
3151        if (message.isFileOrImage()) {
3152            if (!(message.getConversation() instanceof Conversation conversation)) {
3153                return;
3154            }
3155            final DownloadableFile file =
3156                    activity.xmppConnectionService.getFileBackend().getFile(message);
3157            if ((file.exists() && file.canRead()) || message.hasFileOnRemoteHost()) {
3158                final XmppConnection xmppConnection = conversation.getAccount().getXmppConnection();
3159                if (!message.hasFileOnRemoteHost()
3160                        && xmppConnection != null
3161                        && conversation.getMode() == Conversational.MODE_SINGLE
3162                        && (!xmppConnection
3163                                        .getManager(HttpUploadManager.class)
3164                                        .isAvailableForSize(message.getFileParams().getSize())
3165                                || forceP2P)) {
3166                    activity.selectPresence(
3167                            conversation,
3168                            () -> {
3169                                message.setCounterpart(conversation.getNextCounterpart());
3170                                activity.xmppConnectionService.resendFailedMessages(
3171                                        message, forceP2P);
3172                                new Handler()
3173                                        .post(
3174                                                () -> {
3175                                                    int size = messageList.size();
3176                                                    this.binding.messagesView.setSelection(
3177                                                            size - 1);
3178                                                });
3179                            });
3180                    return;
3181                }
3182            } else if (!Compatibility.hasStoragePermission(getActivity())) {
3183                Toast.makeText(activity, R.string.no_storage_permission, Toast.LENGTH_SHORT).show();
3184                return;
3185            } else {
3186                Toast.makeText(activity, R.string.file_deleted, Toast.LENGTH_SHORT).show();
3187                message.setDeleted(true);
3188                activity.xmppConnectionService.updateMessage(message, false);
3189                activity.onConversationsListItemUpdated();
3190                refresh();
3191                return;
3192            }
3193        }
3194        activity.xmppConnectionService.resendFailedMessages(message, false);
3195        new Handler()
3196                .post(
3197                        () -> {
3198                            int size = messageList.size();
3199                            this.binding.messagesView.setSelection(size - 1);
3200                        });
3201    }
3202
3203    private void cancelTransmission(Message message) {
3204        Transferable transferable = message.getTransferable();
3205        if (transferable != null) {
3206            transferable.cancel();
3207        } else if (message.getStatus() != Message.STATUS_RECEIVED) {
3208            activity.xmppConnectionService.markMessage(
3209                    message, Message.STATUS_SEND_FAILED, Message.ERROR_MESSAGE_CANCELLED);
3210        }
3211    }
3212
3213    private void retryDecryption(Message message) {
3214        message.setEncryption(Message.ENCRYPTION_PGP);
3215        activity.onConversationsListItemUpdated();
3216        refresh();
3217        conversation.getAccount().getPgpDecryptionService().decrypt(message, false);
3218    }
3219
3220    public void privateMessageWith(final Jid counterpart) {
3221        if (conversation.setOutgoingChatState(Config.DEFAULT_CHAT_STATE)) {
3222            activity.xmppConnectionService.sendChatState(conversation);
3223        }
3224        this.binding.textinput.setText("");
3225        this.conversation.setNextCounterpart(counterpart);
3226        updateChatMsgHint();
3227        updateSendButton();
3228        updateEditablity();
3229    }
3230
3231    private void correctMessage(final Message message) {
3232        setThread(message.getThread());
3233        conversation.setUserSelectedThread(true);
3234        this.conversation.setCorrectingMessage(message);
3235        final Editable editable = binding.textinput.getText();
3236        this.conversation.setDraftMessage(editable.toString());
3237        this.binding.textinput.setText("");
3238        this.binding.textinput.append(message.getBody(true));
3239        if (message.getSubject() != null && message.getSubject().length() > 0) {
3240            this.binding.textinputSubject.setText(message.getSubject());
3241            this.binding.textinputSubject.setVisibility(View.VISIBLE);
3242        }
3243        setupReply(message.getInReplyTo());
3244    }
3245
3246    private void highlightInConference(String nick) {
3247        final Editable editable = this.binding.textinput.getText();
3248        String oldString = editable.toString().trim();
3249        final int pos = this.binding.textinput.getSelectionStart();
3250        if (oldString.isEmpty() || pos == 0) {
3251            editable.insert(0, nick + ": ");
3252        } else {
3253            final char before = editable.charAt(pos - 1);
3254            final char after = editable.length() > pos ? editable.charAt(pos) : '\0';
3255            if (before == '\n') {
3256                editable.insert(pos, nick + ": ");
3257            } else {
3258                if (pos > 2 && editable.subSequence(pos - 2, pos).toString().equals(": ")) {
3259                    if (NickValidityChecker.check(
3260                            conversation,
3261                            Arrays.asList(
3262                                    editable.subSequence(0, pos - 2).toString().split(", ")))) {
3263                        editable.insert(pos - 2, ", " + nick);
3264                        return;
3265                    }
3266                }
3267                editable.insert(
3268                        pos,
3269                        (Character.isWhitespace(before) ? "" : " ")
3270                                + nick
3271                                + (Character.isWhitespace(after) ? "" : " "));
3272                if (Character.isWhitespace(after)) {
3273                    this.binding.textinput.setSelection(
3274                            this.binding.textinput.getSelectionStart() + 1);
3275                }
3276            }
3277        }
3278    }
3279
3280    @Override
3281    public void startActivityForResult(Intent intent, int requestCode) {
3282        final Activity activity = getActivity();
3283        if (activity instanceof ConversationsActivity) {
3284            ((ConversationsActivity) activity).clearPendingViewIntent();
3285        }
3286        super.startActivityForResult(intent, requestCode);
3287    }
3288
3289    @Override
3290    public void onSaveInstanceState(@NonNull Bundle outState) {
3291        super.onSaveInstanceState(outState);
3292        if (conversation != null) {
3293            outState.putString(STATE_CONVERSATION_UUID, conversation.getUuid());
3294            outState.putString(STATE_LAST_MESSAGE_UUID, lastMessageUuid);
3295            final Uri uri = pendingTakePhotoUri.peek();
3296            if (uri != null) {
3297                outState.putString(STATE_PHOTO_URI, uri.toString());
3298            }
3299            final ScrollState scrollState = getScrollPosition();
3300            if (scrollState != null) {
3301                outState.putParcelable(STATE_SCROLL_POSITION, scrollState);
3302            }
3303            final ArrayList<Attachment> attachments =
3304                    mediaPreviewAdapter == null
3305                            ? new ArrayList<>()
3306                            : mediaPreviewAdapter.getAttachments();
3307            if (attachments.size() > 0) {
3308                outState.putParcelableArrayList(STATE_MEDIA_PREVIEWS, attachments);
3309            }
3310        }
3311    }
3312
3313    @Override
3314    public void onActivityCreated(Bundle savedInstanceState) {
3315        super.onActivityCreated(savedInstanceState);
3316        if (savedInstanceState == null) {
3317            return;
3318        }
3319        String uuid = savedInstanceState.getString(STATE_CONVERSATION_UUID);
3320        ArrayList<Attachment> attachments =
3321                savedInstanceState.getParcelableArrayList(STATE_MEDIA_PREVIEWS);
3322        pendingLastMessageUuid.push(savedInstanceState.getString(STATE_LAST_MESSAGE_UUID, null));
3323        if (uuid != null) {
3324            QuickLoader.set(uuid);
3325            this.pendingConversationsUuid.push(uuid);
3326            if (attachments != null && attachments.size() > 0) {
3327                this.pendingMediaPreviews.push(attachments);
3328            }
3329            String takePhotoUri = savedInstanceState.getString(STATE_PHOTO_URI);
3330            if (takePhotoUri != null) {
3331                pendingTakePhotoUri.push(Uri.parse(takePhotoUri));
3332            }
3333            pendingScrollState.push(savedInstanceState.getParcelable(STATE_SCROLL_POSITION));
3334        }
3335    }
3336
3337    @Override
3338    public void onStart() {
3339        super.onStart();
3340        if (this.reInitRequiredOnStart && this.conversation != null) {
3341            final Bundle extras = pendingExtras.pop();
3342            reInit(this.conversation, extras != null);
3343            if (extras != null) {
3344                processExtras(extras);
3345            }
3346        } else if (conversation == null
3347                && activity != null
3348                && activity.xmppConnectionService != null) {
3349            final String uuid = pendingConversationsUuid.pop();
3350            Log.d(
3351                    Config.LOGTAG,
3352                    "ConversationFragment.onStart() - activity was bound but no conversation"
3353                            + " loaded. uuid="
3354                            + uuid);
3355            if (uuid != null) {
3356                findAndReInitByUuidOrArchive(uuid);
3357            }
3358        }
3359    }
3360
3361    @Override
3362    public void onStop() {
3363        super.onStop();
3364        final Activity activity = getActivity();
3365        messageListAdapter.unregisterListenerInAudioPlayer();
3366        if (activity == null || !activity.isChangingConfigurations()) {
3367            hideSoftKeyboard(activity);
3368            messageListAdapter.stopAudioPlayer();
3369        }
3370        if (this.conversation != null) {
3371            final String msg = this.binding.textinput.getText().toString();
3372            storeNextMessage(msg);
3373            updateChatState(this.conversation, msg);
3374            this.activity.xmppConnectionService.getNotificationService().setOpenConversation(null);
3375        }
3376        this.reInitRequiredOnStart = true;
3377    }
3378
3379    private void updateChatState(final Conversation conversation, final String msg) {
3380        ChatState state = msg.length() == 0 ? Config.DEFAULT_CHAT_STATE : ChatState.PAUSED;
3381        Account.State status = conversation.getAccount().getStatus();
3382        if (status == Account.State.ONLINE && conversation.setOutgoingChatState(state)) {
3383            activity.xmppConnectionService.sendChatState(conversation);
3384        }
3385    }
3386
3387    private void saveMessageDraftStopAudioPlayer() {
3388        final Conversation previousConversation = this.conversation;
3389        if (this.activity == null || this.binding == null || previousConversation == null) {
3390            return;
3391        }
3392        Log.d(Config.LOGTAG, "ConversationFragment.saveMessageDraftStopAudioPlayer()");
3393        final String msg = this.binding.textinput.getText().toString();
3394        storeNextMessage(msg);
3395        updateChatState(this.conversation, msg);
3396        messageListAdapter.stopAudioPlayer();
3397        mediaPreviewAdapter.clearPreviews();
3398        toggleInputMethod();
3399    }
3400
3401    public void reInit(final Conversation conversation, final Bundle extras) {
3402        QuickLoader.set(conversation.getUuid());
3403        final boolean changedConversation = this.conversation != conversation;
3404        if (changedConversation) {
3405            this.saveMessageDraftStopAudioPlayer();
3406        }
3407        this.clearPending();
3408        if (this.reInit(conversation, extras != null)) {
3409            if (extras != null) {
3410                processExtras(extras);
3411            }
3412            this.reInitRequiredOnStart = false;
3413        } else {
3414            this.reInitRequiredOnStart = true;
3415            pendingExtras.push(extras);
3416        }
3417        resetUnreadMessagesCount();
3418    }
3419
3420    private void reInit(Conversation conversation) {
3421        reInit(conversation, false);
3422    }
3423
3424    private boolean reInit(final Conversation conversation, final boolean hasExtras) {
3425        if (conversation == null) {
3426            return false;
3427        }
3428        final Conversation originalConversation = this.conversation;
3429        this.conversation = conversation;
3430        // once we set the conversation all is good and it will automatically do the right thing in
3431        // onStart()
3432        if (this.activity == null || this.binding == null) {
3433            return false;
3434        }
3435
3436        if (!activity.xmppConnectionService.isConversationStillOpen(this.conversation)) {
3437            activity.onConversationArchived(this.conversation);
3438            return false;
3439        }
3440
3441        final var cursord = activity.getDrawable(R.drawable.cursor_on_tertiary_container);
3442        if (activity.xmppConnectionService != null && activity.xmppConnectionService.getAccounts().size() > 1) {
3443            final var bg = MaterialColors.getColor(binding.textinput, com.google.android.material.R.attr.colorSurface);
3444            final var accountColor = conversation.getAccount().getColor(activity.isDark());
3445            final var colors = MaterialColors.getColorRoles(activity, accountColor);
3446            final var accent = activity.isDark() ? ColorUtils.blendARGB(colors.getAccentContainer(), bg, 1.0f - Math.max(0.25f, Color.alpha(accountColor) / 255.0f)) : colors.getAccentContainer();
3447            cursord.setTintList(ColorStateList.valueOf(colors.getOnAccentContainer()));
3448            binding.inputLayout.setBackgroundTintList(ColorStateList.valueOf(accent));
3449            binding.textinputSubject.setTextColor(colors.getOnAccentContainer());
3450            binding.textinput.setTextColor(colors.getOnAccentContainer());
3451            binding.textinputSubject.setHintTextColor(ColorStateList.valueOf(colors.getOnAccentContainer()).withAlpha(115));
3452            binding.textinput.setHintTextColor(ColorStateList.valueOf(colors.getOnAccentContainer()).withAlpha(115));
3453            binding.textInputHint.setTextColor(colors.getOnAccentContainer());
3454        } else {
3455            cursord.setTintList(ColorStateList.valueOf(MaterialColors.getColor(binding.textinput, com.google.android.material.R.attr.colorOnTertiaryContainer)));
3456            binding.inputLayout.setBackgroundTintList(ColorStateList.valueOf(MaterialColors.getColor(binding.inputLayout, com.google.android.material.R.attr.colorTertiaryContainer)));
3457            binding.textinputSubject.setTextColor(MaterialColors.getColor(binding.textinputSubject, com.google.android.material.R.attr.colorOnTertiaryContainer));
3458            binding.textinput.setTextColor(MaterialColors.getColor(binding.textinput, com.google.android.material.R.attr.colorOnTertiaryContainer));
3459            binding.textinputSubject.setHintTextColor(R.color.hint_on_tertiary_container);
3460            binding.textinput.setHintTextColor(R.color.hint_on_tertiary_container);
3461            binding.textInputHint.setTextColor(MaterialColors.getColor(binding.textInputHint, com.google.android.material.R.attr.colorOnTertiaryContainer));
3462        }
3463        if (Build.VERSION.SDK_INT >= 29) {
3464            binding.textinputSubject.setTextCursorDrawable(cursord);
3465            binding.textinput.setTextCursorDrawable(cursord);
3466        }
3467
3468        setThread(conversation.getThread());
3469        setupReply(conversation.getReplyTo());
3470
3471        stopScrolling();
3472        Log.d(Config.LOGTAG, "reInit(hasExtras=" + hasExtras + ")");
3473
3474        if (this.conversation.isRead(activity == null ? null : activity.xmppConnectionService) && hasExtras) {
3475            Log.d(Config.LOGTAG, "trimming conversation");
3476            this.conversation.trim();
3477        }
3478
3479        setupIme();
3480
3481        final boolean scrolledToBottomAndNoPending =
3482                this.scrolledToBottom() && pendingScrollState.peek() == null;
3483
3484        this.binding.textSendButton.setContentDescription(
3485                activity.getString(R.string.send_message_to_x, conversation.getName()));
3486        this.binding.textinput.setKeyboardListener(null);
3487        this.binding.textinputSubject.setKeyboardListener(null);
3488        final boolean participating =
3489                conversation.getMode() == Conversational.MODE_SINGLE
3490                        || conversation.getMucOptions().participating();
3491        if (participating) {
3492            this.binding.textinput.setText(this.conversation.getNextMessage());
3493            this.binding.textinput.setSelection(this.binding.textinput.length());
3494        } else {
3495            this.binding.textinput.setText(MessageUtils.EMPTY_STRING);
3496        }
3497        this.binding.textinput.setKeyboardListener(this);
3498        this.binding.textinputSubject.setKeyboardListener(this);
3499        messageListAdapter.updatePreferences();
3500        refresh(false);
3501        activity.invalidateOptionsMenu();
3502        this.conversation.messagesLoaded.set(true);
3503        Log.d(Config.LOGTAG, "scrolledToBottomAndNoPending=" + scrolledToBottomAndNoPending);
3504
3505        if (hasExtras || scrolledToBottomAndNoPending) {
3506            resetUnreadMessagesCount();
3507            synchronized (this.messageList) {
3508                Log.d(Config.LOGTAG, "jump to first unread message");
3509                final Message first = conversation.getFirstUnreadMessage();
3510                final int bottom = Math.max(0, this.messageList.size() - 1);
3511                final int pos;
3512                final boolean jumpToBottom;
3513                if (first == null) {
3514                    pos = bottom;
3515                    jumpToBottom = true;
3516                } else {
3517                    int i = getIndexOf(first.getUuid(), this.messageList);
3518                    pos = i < 0 ? bottom : i;
3519                    jumpToBottom = false;
3520                }
3521                setSelection(pos, jumpToBottom);
3522            }
3523        }
3524
3525        this.binding.messagesView.post(this::fireReadEvent);
3526        // TODO if we only do this when this fragment is running on main it won't *bing* in tablet
3527        // layout which might be unnecessary since we can *see* it
3528        activity.xmppConnectionService
3529                .getNotificationService()
3530                .setOpenConversation(this.conversation);
3531
3532        if (commandAdapter != null && conversation != originalConversation) {
3533            commandAdapter.clear();
3534            conversation.setupViewPager(binding.conversationViewPager, binding.tabLayout, activity.xmppConnectionService.isOnboarding(), originalConversation);
3535            refreshCommands(false);
3536        }
3537        if (commandAdapter == null && conversation != null) {
3538            conversation.setupViewPager(binding.conversationViewPager, binding.tabLayout, activity.xmppConnectionService.isOnboarding(), null);
3539            commandAdapter = new CommandAdapter((XmppActivity) getActivity());
3540            binding.commandsView.setAdapter(commandAdapter);
3541            binding.commandsView.setOnItemClickListener((parent, view, position, id) -> {
3542                if (activity == null) return;
3543
3544                commandAdapter.getItem(position).start(activity, ConversationFragment.this.conversation);
3545            });
3546            refreshCommands(false);
3547        }
3548
3549        binding.commandsNote.setVisibility(activity.xmppConnectionService.isOnboarding() ? View.VISIBLE : View.GONE);
3550
3551        return true;
3552    }
3553
3554    @Override
3555    public void refreshForNewCaps(final Set<Jid> newCapsJids) {
3556        if (newCapsJids.isEmpty() || (conversation != null && newCapsJids.contains(conversation.getJid().asBareJid()))) {
3557            refreshCommands(true);
3558        }
3559    }
3560
3561    protected void refreshCommands(boolean delayShow) {
3562        if (commandAdapter == null) return;
3563
3564        final CommandAdapter.MucConfig mucConfig =
3565            conversation.getMucOptions().getSelf().ranks(Affiliation.OWNER) ?
3566            new CommandAdapter.MucConfig() :
3567            null;
3568
3569        Jid commandJid = conversation.getContact().resourceWhichSupport(Namespace.COMMANDS);
3570        if (commandJid == null && conversation.getMode() == Conversation.MODE_MULTI && conversation.getMucOptions().hasFeature(Namespace.COMMANDS)) {
3571            commandJid = conversation.getJid().asBareJid();
3572        }
3573        if (commandJid == null && conversation.getJid().isDomainJid()) {
3574            commandJid = conversation.getJid();
3575        }
3576        if (commandJid == null) {
3577            binding.commandsViewProgressbar.setVisibility(View.GONE);
3578            if (mucConfig == null) {
3579                conversation.hideViewPager();
3580            } else {
3581                commandAdapter.clear();
3582                commandAdapter.add(mucConfig);
3583                conversation.showViewPager();
3584            }
3585        } else {
3586            if (!delayShow) conversation.showViewPager();
3587            binding.commandsViewProgressbar.setVisibility(View.VISIBLE);
3588            final var discoManager = conversation.getAccount().getXmppConnection().getManager(DiscoManager.class);
3589            final var future = discoManager.items(Entity.discoItem(commandJid), Namespace.COMMANDS);
3590            Futures.addCallback(
3591                    future,
3592                    new FutureCallback<>() {
3593                        @Override
3594                        public void onSuccess(Collection<Item> result) {
3595                            if (activity == null) return;
3596
3597                            activity.runOnUiThread(() -> {
3598                                binding.commandsViewProgressbar.setVisibility(View.GONE);
3599                                commandAdapter.clear();
3600                                for (final var command : result) {
3601                                    commandAdapter.add(new CommandAdapter.Command0050(command));
3602                                }
3603
3604                                if (mucConfig != null) commandAdapter.add(mucConfig);
3605
3606                                if (commandAdapter.getCount() < 1) {
3607                                    conversation.hideViewPager();
3608                                } else if (delayShow) {
3609                                    conversation.showViewPager();
3610                                }
3611                            });
3612
3613                        }
3614
3615                        @Override
3616                        public void onFailure(@NonNull Throwable throwable) {
3617                            Log.d(Config.LOGTAG, "Failed to get commands: " + throwable);
3618
3619                            if (activity == null) return;
3620
3621                            activity.runOnUiThread(() -> {
3622                                binding.commandsViewProgressbar.setVisibility(View.GONE);
3623                                commandAdapter.clear();
3624
3625                                if (mucConfig != null) commandAdapter.add(mucConfig);
3626
3627                                if (commandAdapter.getCount() < 1) {
3628                                    conversation.hideViewPager();
3629                                } else if (delayShow) {
3630                                    conversation.showViewPager();
3631                                }
3632                            });
3633                        }
3634                    },
3635                    MoreExecutors.directExecutor()
3636            );
3637        }
3638    }
3639
3640    private void resetUnreadMessagesCount() {
3641        lastMessageUuid = null;
3642        hideUnreadMessagesCount();
3643    }
3644
3645    private void hideUnreadMessagesCount() {
3646        if (this.binding == null) {
3647            return;
3648        }
3649        this.binding.scrollToBottomButton.setEnabled(false);
3650        this.binding.scrollToBottomButton.hide();
3651        this.binding.unreadCountCustomView.setVisibility(View.GONE);
3652    }
3653
3654    private void setSelection(int pos, boolean jumpToBottom) {
3655        ListViewUtils.setSelection(this.binding.messagesView, pos, jumpToBottom);
3656        this.binding.messagesView.post(
3657                () -> ListViewUtils.setSelection(this.binding.messagesView, pos, jumpToBottom));
3658        this.binding.messagesView.post(this::fireReadEvent);
3659    }
3660
3661    private boolean scrolledToBottom() {
3662        return this.binding != null && scrolledToBottom(this.binding.messagesView);
3663    }
3664
3665    private void processExtras(final Bundle extras) {
3666        final String downloadUuid = extras.getString(ConversationsActivity.EXTRA_DOWNLOAD_UUID);
3667        final String text = extras.getString(Intent.EXTRA_TEXT);
3668        final String nick = extras.getString(ConversationsActivity.EXTRA_NICK);
3669        final String node = extras.getString(ConversationsActivity.EXTRA_NODE);
3670        final String postInitAction =
3671                extras.getString(ConversationsActivity.EXTRA_POST_INIT_ACTION);
3672        final boolean asQuote = extras.getBoolean(ConversationsActivity.EXTRA_AS_QUOTE);
3673        final boolean pm = extras.getBoolean(ConversationsActivity.EXTRA_IS_PRIVATE_MESSAGE, false);
3674        final boolean doNotAppend =
3675                extras.getBoolean(ConversationsActivity.EXTRA_DO_NOT_APPEND, false);
3676        final String type = extras.getString(ConversationsActivity.EXTRA_TYPE);
3677
3678        final String thread = extras.getString(ConversationsActivity.EXTRA_THREAD);
3679        if (thread != null) {
3680            conversation.setLockThread(true);
3681            backPressedLeaveSingleThread.setEnabled(true);
3682            setThread(new Element("thread").setContent(thread));
3683            refresh();
3684        }
3685
3686        final List<Uri> uris = extractUris(extras);
3687        if (uris != null && uris.size() > 0) {
3688            if (uris.size() == 1 && "geo".equals(uris.get(0).getScheme())) {
3689                mediaPreviewAdapter.addMediaPreviews(
3690                        Attachment.of(getActivity(), uris.get(0), Attachment.Type.LOCATION));
3691            } else {
3692                final List<Uri> cleanedUris = cleanUris(new ArrayList<>(uris));
3693                mediaPreviewAdapter.addMediaPreviews(
3694                        Attachment.of(getActivity(), cleanedUris, type));
3695            }
3696            toggleInputMethod();
3697            return;
3698        }
3699        if (nick != null) {
3700            if (pm) {
3701                Jid jid = conversation.getJid();
3702                try {
3703                    Jid next = Jid.of(jid.getLocal(), jid.getDomain(), nick);
3704                    privateMessageWith(next);
3705                } catch (final IllegalArgumentException ignored) {
3706                    // do nothing
3707                }
3708            } else {
3709                final MucOptions mucOptions = conversation.getMucOptions();
3710                if (mucOptions.participating() || conversation.getNextCounterpart() != null) {
3711                    highlightInConference(nick);
3712                }
3713            }
3714        } else {
3715            if (text != null && Patterns.URI_GEO.matcher(text).matches()) {
3716                mediaPreviewAdapter.addMediaPreviews(
3717                        Attachment.of(getActivity(), Uri.parse(text), Attachment.Type.LOCATION));
3718                toggleInputMethod();
3719                return;
3720            } else if (text != null && asQuote) {
3721                quoteText(text);
3722            } else {
3723                appendText(text, doNotAppend);
3724            }
3725        }
3726        if (ConversationsActivity.POST_ACTION_RECORD_VOICE.equals(postInitAction)) {
3727            attachFile(ATTACHMENT_CHOICE_RECORD_VOICE, false);
3728            return;
3729        }
3730        if ("call".equals(postInitAction)) {
3731            checkPermissionAndTriggerAudioCall();
3732        }
3733        if ("message".equals(postInitAction)) {
3734            binding.conversationViewPager.post(() -> {
3735                binding.conversationViewPager.setCurrentItem(0);
3736            });
3737        }
3738        if ("command".equals(postInitAction)) {
3739            binding.conversationViewPager.post(() -> {
3740                PagerAdapter adapter = binding.conversationViewPager.getAdapter();
3741                if (adapter != null && adapter.getCount() > 1) {
3742                    binding.conversationViewPager.setCurrentItem(1);
3743                }
3744                final String jid = extras.getString(ConversationsActivity.EXTRA_JID);
3745                Jid commandJid = null;
3746                if (jid != null) {
3747                    try {
3748                        commandJid = Jid.of(jid);
3749                    } catch (final IllegalArgumentException e) { }
3750                }
3751                if (commandJid == null || !commandJid.isFullJid()) {
3752                    final Jid discoJid = conversation.getContact().resourceWhichSupport(Namespace.COMMANDS);
3753                    if (discoJid != null) commandJid = discoJid;
3754                }
3755                if (node != null && commandJid != null && activity != null) {
3756                    conversation.startCommand(commandFor(commandJid, node), activity.xmppConnectionService);
3757                }
3758            });
3759            return;
3760        }
3761        Message message =
3762                downloadUuid == null ? null : conversation.findMessageWithFileAndUuid(downloadUuid);
3763        if ("webxdc".equals(postInitAction)) {
3764            if (message == null) {
3765                message = activity.xmppConnectionService.getMessage(conversation, downloadUuid);
3766            }
3767            if (message == null) return;
3768
3769            Cid webxdcCid = message.getFileParams().getCids().get(0);
3770            WebxdcPage webxdc = new WebxdcPage(activity, webxdcCid, message);
3771            Conversation conversation = (Conversation) message.getConversation();
3772            if (!conversation.switchToSession("webxdc\0" + message.getUuid())) {
3773                conversation.startWebxdc(webxdc);
3774            }
3775        }
3776        if (message != null) {
3777            startDownloadable(message);
3778        }
3779        if (activity.xmppConnectionService.isOnboarding() && conversation.getJid().equals(Jid.of("cheogram.com"))) {
3780            if (!conversation.switchToSession("jabber:iq:register")) {
3781                conversation.startCommand(commandFor(Jid.of("cheogram.com/CHEOGRAM%jabber:iq:register"), "jabber:iq:register"), activity.xmppConnectionService);
3782            }
3783        }
3784    }
3785
3786    private Element commandFor(final Jid jid, final String node) {
3787        if (commandAdapter != null) {
3788            for (int i = 0; i < commandAdapter.getCount(); i++) {
3789                final CommandAdapter.Command c = commandAdapter.getItem(i);
3790                if (!(c instanceof CommandAdapter.Command0050)) continue;
3791
3792                final Element command = ((CommandAdapter.Command0050) c).el;
3793                final String commandNode = command.getAttribute("node");
3794                if (commandNode == null || !commandNode.equals(node)) continue;
3795
3796                final Jid commandJid = command.getAttributeAsJid("jid");
3797                if (commandJid != null && !commandJid.asBareJid().equals(jid.asBareJid())) continue;
3798
3799                return command;
3800            }
3801        }
3802
3803        return new Element("command", Namespace.COMMANDS).setAttribute("name", node).setAttribute("node", node).setAttribute("jid", jid);
3804    }
3805
3806    private List<Uri> extractUris(final Bundle extras) {
3807        final List<Uri> uris = extras.getParcelableArrayList(Intent.EXTRA_STREAM);
3808        if (uris != null) {
3809            return uris;
3810        }
3811        final Uri uri = extras.getParcelable(Intent.EXTRA_STREAM);
3812        if (uri != null) {
3813            return Collections.singletonList(uri);
3814        } else {
3815            return null;
3816        }
3817    }
3818
3819    private List<Uri> cleanUris(final List<Uri> uris) {
3820        final Iterator<Uri> iterator = uris.iterator();
3821        while (iterator.hasNext()) {
3822            final Uri uri = iterator.next();
3823            if (FileBackend.dangerousFile(uri)) {
3824                iterator.remove();
3825                Toast.makeText(
3826                                requireActivity(),
3827                                R.string.security_violation_not_attaching_file,
3828                                Toast.LENGTH_SHORT)
3829                        .show();
3830            }
3831        }
3832        return uris;
3833    }
3834
3835    private boolean showBlockSubmenu(View view) {
3836        final Jid jid = conversation.getJid();
3837        final int mode = conversation.getMode();
3838        final var contact = mode == Conversation.MODE_SINGLE ? conversation.getContact() : null;
3839        final boolean showReject = contact.getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST);
3840        PopupMenu popupMenu = new PopupMenu(getActivity(), view);
3841        popupMenu.inflate(R.menu.block);
3842        popupMenu.getMenu().findItem(R.id.block_contact).setVisible(jid.getLocal() != null);
3843        popupMenu.getMenu().findItem(R.id.reject).setVisible(showReject);
3844        popupMenu.getMenu().findItem(R.id.add_contact).setVisible(!contact.showInRoster());
3845        popupMenu.setOnMenuItemClickListener(
3846                menuItem -> {
3847                    Blockable blockable;
3848                    switch (menuItem.getItemId()) {
3849                        case R.id.reject:
3850                            activity.xmppConnectionService.stopPresenceUpdatesTo(
3851                                    conversation.getContact());
3852                            updateSnackBar(conversation);
3853                            return true;
3854                        case R.id.add_contact:
3855                            mAddBackClickListener.onClick(view);
3856                            return true;
3857                        case R.id.block_domain:
3858                            blockable =
3859                                    conversation
3860                                            .getAccount()
3861                                            .getRoster()
3862                                            .getContact(jid.getDomain());
3863                            break;
3864                        default:
3865                            blockable = conversation;
3866                    }
3867                    BlockContactDialog.show(activity, blockable);
3868                    return true;
3869                });
3870        popupMenu.show();
3871        return true;
3872    }
3873
3874    private boolean showBlockMucSubmenu(View view) {
3875        final var jid = conversation.getJid();
3876        final var popupMenu = new PopupMenu(getActivity(), view);
3877        popupMenu.inflate(R.menu.block_muc);
3878        popupMenu.getMenu().findItem(R.id.block_contact).setVisible(jid.getLocal() != null);
3879        popupMenu.setOnMenuItemClickListener(
3880                menuItem -> {
3881                    Blockable blockable;
3882                    switch (menuItem.getItemId()) {
3883                        case R.id.reject:
3884                            activity.xmppConnectionService.clearConversationHistory(conversation);
3885                            activity.xmppConnectionService.archiveConversation(conversation);
3886                            return true;
3887                        case R.id.add_bookmark:
3888                            conversation.getAccount().getXmppConnection().getManager(BookmarkManager.class).save(conversation, "");
3889                            updateSnackBar(conversation);
3890                            return true;
3891                        case R.id.block_contact:
3892                            blockable =
3893                                    conversation
3894                                            .getAccount()
3895                                            .getRoster()
3896                                            .getContact(Jid.of(conversation.getAttribute("inviter")));
3897                            break;
3898                        default:
3899                            blockable = conversation;
3900                    }
3901                    BlockContactDialog.show(activity, blockable);
3902                    activity.xmppConnectionService.archiveConversation(conversation);
3903                    return true;
3904                });
3905        popupMenu.show();
3906        return true;
3907    }
3908
3909    private void updateSnackBar(final Conversation conversation) {
3910        final Account account = conversation.getAccount();
3911        final XmppConnection connection = account.getXmppConnection();
3912        final int mode = conversation.getMode();
3913        final Contact contact = mode == Conversation.MODE_SINGLE ? conversation.getContact() : null;
3914        if (conversation.getStatus() == Conversation.STATUS_ARCHIVED) {
3915            return;
3916        }
3917        if (account.getStatus() == Account.State.DISABLED) {
3918            showSnackbar(
3919                    R.string.this_account_is_disabled,
3920                    R.string.enable,
3921                    this.mEnableAccountListener);
3922        } else if (account.getStatus() == Account.State.LOGGED_OUT) {
3923            showSnackbar(
3924                    R.string.this_account_is_logged_out,
3925                    R.string.log_in,
3926                    this.mEnableAccountListener);
3927        } else if (conversation.isBlocked()) {
3928            showSnackbar(R.string.contact_blocked, R.string.unblock, this.mUnblockClickListener);
3929        } else if (account.getStatus() == Account.State.CONNECTING) {
3930            showSnackbar(R.string.this_account_is_connecting, 0, null);
3931        } else if (account.getStatus() != Account.State.ONLINE) {
3932            showSnackbar(R.string.this_account_is_offline, 0, null);
3933        } else if (contact != null
3934                && !contact.showInRoster()
3935                && contact.getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)) {
3936            showSnackbar(
3937                    R.string.contact_added_you,
3938                    R.string.options,
3939                    this.mBlockClickListener,
3940                    this.mLongPressBlockListener);
3941        } else if (contact != null
3942                && contact.getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)) {
3943            showSnackbar(
3944                    R.string.contact_asks_for_presence_subscription,
3945                    R.string.allow,
3946                    this.mAllowPresenceSubscription,
3947                    this.mLongPressBlockListener);
3948        } else if (mode == Conversation.MODE_MULTI
3949                && !conversation.getMucOptions().online()
3950                && account.getStatus() == Account.State.ONLINE) {
3951            switch (conversation.getMucOptions().getError()) {
3952                case NICK_IN_USE:
3953                    showSnackbar(R.string.nick_in_use, R.string.edit, clickToMuc);
3954                    break;
3955                case NO_RESPONSE:
3956                    showSnackbar(R.string.joining_conference, 0, null);
3957                    break;
3958                case SERVER_NOT_FOUND:
3959                    if (conversation.receivedMessagesCount() > 0) {
3960                        showSnackbar(R.string.remote_server_not_found, R.string.try_again, joinMuc);
3961                    } else {
3962                        showSnackbar(R.string.remote_server_not_found, R.string.leave, leaveMuc);
3963                    }
3964                    break;
3965                case REMOTE_SERVER_TIMEOUT:
3966                    if (conversation.receivedMessagesCount() > 0) {
3967                        showSnackbar(R.string.remote_server_timeout, R.string.try_again, joinMuc);
3968                    } else {
3969                        showSnackbar(R.string.remote_server_timeout, R.string.leave, leaveMuc);
3970                    }
3971                    break;
3972                case PASSWORD_REQUIRED:
3973                    showSnackbar(
3974                            R.string.conference_requires_password,
3975                            R.string.enter_password,
3976                            enterPassword);
3977                    break;
3978                case BANNED:
3979                    showSnackbar(R.string.conference_banned, R.string.leave, leaveMuc);
3980                    break;
3981                case MEMBERS_ONLY:
3982                    showSnackbar(R.string.conference_members_only, R.string.leave, leaveMuc);
3983                    break;
3984                case RESOURCE_CONSTRAINT:
3985                    showSnackbar(
3986                            R.string.conference_resource_constraint, R.string.try_again, joinMuc);
3987                    break;
3988                case KICKED:
3989                    showSnackbar(R.string.conference_kicked, R.string.join, joinMuc);
3990                    break;
3991                case TECHNICAL_PROBLEMS:
3992                    showSnackbar(
3993                            R.string.conference_technical_problems, R.string.try_again, joinMuc);
3994                    break;
3995                case UNKNOWN:
3996                    showSnackbar(R.string.conference_unknown_error, R.string.try_again, joinMuc);
3997                    break;
3998                case INVALID_NICK:
3999                    showSnackbar(R.string.invalid_muc_nick, R.string.edit, clickToMuc);
4000                case SHUTDOWN:
4001                    showSnackbar(R.string.conference_shutdown, R.string.try_again, joinMuc);
4002                    break;
4003                case DESTROYED:
4004                    showSnackbar(R.string.conference_destroyed, R.string.leave, leaveMuc);
4005                    break;
4006                case NON_ANONYMOUS:
4007                    showSnackbar(
4008                            R.string.group_chat_will_make_your_jabber_id_public,
4009                            R.string.join,
4010                            acceptJoin);
4011                    break;
4012                default:
4013                    hideSnackbar();
4014                    break;
4015            }
4016        } else if (account.hasPendingPgpIntent(conversation)) {
4017            showSnackbar(R.string.openpgp_messages_found, R.string.decrypt, clickToDecryptListener);
4018        } else if (connection != null
4019                && connection.getFeatures().blocking()
4020                && conversation.strangerInvited()) {
4021            showSnackbar(
4022                    R.string.received_invite_from_stranger,
4023                    R.string.options,
4024                    (v) -> showBlockMucSubmenu(v),
4025                    (v) -> showBlockMucSubmenu(v));
4026        } else if (connection != null
4027                && connection.getFeatures().blocking()
4028                && conversation.countMessages() != 0
4029                && !conversation.isBlocked()
4030                && conversation.isWithStranger()) {
4031            showSnackbar(
4032                    R.string.received_message_from_stranger,
4033                    R.string.options,
4034                    this.mBlockClickListener,
4035                    this.mLongPressBlockListener);
4036        } else {
4037            hideSnackbar();
4038        }
4039    }
4040
4041    @Override
4042    public void refresh() {
4043        if (this.binding == null) {
4044            Log.d(
4045                    Config.LOGTAG,
4046                    "ConversationFragment.refresh() skipped updated because view binding was null");
4047            return;
4048        }
4049        if (this.conversation != null
4050                && this.activity != null
4051                && this.activity.xmppConnectionService != null) {
4052            if (!activity.xmppConnectionService.isConversationStillOpen(this.conversation)) {
4053                activity.onConversationArchived(this.conversation);
4054                return;
4055            }
4056        }
4057        this.refresh(true);
4058    }
4059
4060    private void refresh(boolean notifyConversationRead) {
4061        synchronized (this.messageList) {
4062            if (this.conversation != null) {
4063                if (messageListAdapter.hasSelection()) {
4064                    if (notifyConversationRead) binding.messagesView.postDelayed(this::refresh, 1000L);
4065                } else {
4066                    conversation.populateWithMessages(this.messageList, activity == null ? null : activity.xmppConnectionService);
4067                    try {
4068                        updateStatusMessages();
4069                    } catch (IllegalStateException e) {
4070                        Log.e(Config.LOGTAG, "Problem updating status messages on refresh: " + e);
4071                    }
4072                    this.messageListAdapter.notifyDataSetChanged();
4073                }
4074                if (conversation.getReceivedMessagesCountSinceUuid(lastMessageUuid) != 0) {
4075                    binding.unreadCountCustomView.setVisibility(View.VISIBLE);
4076                    binding.unreadCountCustomView.setUnreadCount(
4077                            conversation.getReceivedMessagesCountSinceUuid(lastMessageUuid));
4078                }
4079                updateSnackBar(conversation);
4080                if (activity != null) updateChatMsgHint();
4081                if (notifyConversationRead && activity != null) {
4082                    binding.messagesView.post(this::fireReadEvent);
4083                }
4084                updateSendButton();
4085                updateEditablity();
4086                conversation.refreshSessions();
4087            }
4088        }
4089    }
4090
4091    protected void messageSent() {
4092        binding.textinputSubject.setText("");
4093        binding.textinputSubject.setVisibility(View.GONE);
4094        setThread(null);
4095        setupReply(null);
4096        conversation.setUserSelectedThread(false);
4097        mSendingPgpMessage.set(false);
4098        this.binding.textinput.setText("");
4099        if (conversation.setCorrectingMessage(null)) {
4100            this.binding.textinput.append(conversation.getDraftMessage());
4101            conversation.setDraftMessage(null);
4102        }
4103        storeNextMessage();
4104        updateChatMsgHint();
4105        if (activity == null) return;
4106        SharedPreferences p = PreferenceManager.getDefaultSharedPreferences(activity);
4107        final boolean prefScrollToBottom =
4108                p.getBoolean(
4109                        "scroll_to_bottom",
4110                        activity.getResources().getBoolean(R.bool.scroll_to_bottom));
4111        if (prefScrollToBottom || scrolledToBottom()) {
4112            new Handler()
4113                    .post(
4114                            () -> {
4115                                int size = messageList.size();
4116                                this.binding.messagesView.setSelection(size - 1);
4117                            });
4118        }
4119    }
4120
4121    private boolean storeNextMessage() {
4122        return storeNextMessage(this.binding.textinput.getText().toString());
4123    }
4124
4125    private boolean storeNextMessage(String msg) {
4126        final boolean participating =
4127                conversation.getMode() == Conversational.MODE_SINGLE
4128                        || conversation.getMucOptions().participating();
4129        if (this.conversation.getStatus() != Conversation.STATUS_ARCHIVED
4130                && participating
4131                && this.conversation.setNextMessage(msg) && activity != null) {
4132            activity.xmppConnectionService.updateConversation(this.conversation);
4133            return true;
4134        }
4135        return false;
4136    }
4137
4138    public void doneSendingPgpMessage() {
4139        mSendingPgpMessage.set(false);
4140    }
4141
4142    public Long getMaxHttpUploadSize(final Conversation conversation) {
4143
4144        final var connection = conversation.getAccount().getXmppConnection();
4145        final var httpUploadService = connection.getManager(HttpUploadManager.class).getService();
4146        if (httpUploadService == null) {
4147            return -1L;
4148        }
4149        return httpUploadService.getMaxFileSize();
4150    }
4151
4152    private boolean canWrite() {
4153        return
4154                this.conversation.getMode() == Conversation.MODE_SINGLE
4155                        || this.conversation.getMucOptions().participating()
4156                        || this.conversation.getNextCounterpart() != null;
4157    }
4158
4159    private void updateEditablity() {
4160        boolean canWrite = canWrite();
4161        this.binding.textinput.setFocusable(canWrite);
4162        this.binding.textinput.setFocusableInTouchMode(canWrite);
4163        this.binding.textSendButton.setEnabled(canWrite);
4164        this.binding.textSendButton.setVisibility(canWrite ? View.VISIBLE : View.GONE);
4165        this.binding.requestVoice.setVisibility(canWrite ? View.GONE : View.VISIBLE);
4166        this.binding.textinput.setCursorVisible(canWrite);
4167        this.binding.textinput.setEnabled(canWrite);
4168    }
4169
4170    public void updateSendButton() {
4171        boolean hasAttachments =
4172                mediaPreviewAdapter != null && mediaPreviewAdapter.hasAttachments();
4173        final Conversation c = this.conversation;
4174        final Presence.Availability status;
4175        final String text =
4176                this.binding.textinput == null ? "" : this.binding.textinput.getText().toString();
4177        final SendButtonAction action;
4178        if (hasAttachments) {
4179            action = SendButtonAction.TEXT;
4180        } else {
4181            action = SendButtonTool.getAction(getActivity(), c, text, binding.textinputSubject.getText().toString());
4182        }
4183        if (c.getAccount().getStatus() == Account.State.ONLINE) {
4184            if (activity != null
4185                    && activity.xmppConnectionService != null
4186                    && activity.xmppConnectionService.getMessageArchiveService().isCatchingUp(c)) {
4187                status = Presence.Availability.OFFLINE;
4188            } else if (c.getMode() == Conversation.MODE_SINGLE) {
4189                status = c.getContact().getShownStatus();
4190            } else {
4191                status =
4192                        c.getMucOptions().online()
4193                                ? Presence.Availability.ONLINE
4194                                : Presence.Availability.OFFLINE;
4195            }
4196        } else {
4197            status = Presence.Availability.OFFLINE;
4198        }
4199        this.binding.textSendButton.setTag(action);
4200        this.binding.textSendButton.setIconTint(ColorStateList.valueOf(SendButtonTool.getSendButtonColor(this.binding.textSendButton, status)));
4201        // TODO send button color
4202        final Activity activity = getActivity();
4203        if (activity != null) {
4204            this.binding.textSendButton.setIconResource(
4205                    SendButtonTool.getSendButtonImageResource(action, text.length() > 0 || hasAttachments || (c.getThread() != null && binding.textinputSubject.getText().length() > 0)));
4206        }
4207
4208        ViewGroup.LayoutParams params = binding.threadIdenticonLayout.getLayoutParams();
4209        if (identiconWidth < 0) identiconWidth = params.width;
4210        if (hasAttachments || binding.textinput.getText().toString().replaceFirst("^(\\w|[, ])+:\\s*", "").length() > 0) {
4211            binding.conversationViewPager.setCurrentItem(0);
4212            params.width = conversation.getThread() == null ? 0 : identiconWidth;
4213        } else {
4214            params.width = identiconWidth;
4215        }
4216        if (!canWrite()) params.width = 0;
4217        binding.threadIdenticonLayout.setLayoutParams(params);
4218    }
4219
4220    protected void updateStatusMessages() {
4221        DateSeparator.addAll(this.messageList);
4222        if (showLoadMoreMessages(conversation)) {
4223            this.messageList.add(0, Message.createLoadMoreMessage(conversation));
4224        }
4225        if (conversation.getMode() == Conversation.MODE_SINGLE) {
4226            ChatState state = conversation.getIncomingChatState();
4227            if (state == ChatState.COMPOSING) {
4228                this.messageList.add(
4229                        Message.createStatusMessage(
4230                                conversation,
4231                                getString(R.string.contact_is_typing, conversation.getName())));
4232            } else if (state == ChatState.PAUSED) {
4233                this.messageList.add(
4234                        Message.createStatusMessage(
4235                                conversation,
4236                                getString(
4237                                        R.string.contact_has_stopped_typing,
4238                                        conversation.getName())));
4239            } else {
4240                for (int i = this.messageList.size() - 1; i >= 0; --i) {
4241                    final Message message = this.messageList.get(i);
4242                    if (message.getType() != Message.TYPE_STATUS) {
4243                        if (message.getStatus() == Message.STATUS_RECEIVED) {
4244                            return;
4245                        } else {
4246                            if (message.getStatus() == Message.STATUS_SEND_DISPLAYED) {
4247                                this.messageList.add(
4248                                        i + 1,
4249                                        Message.createStatusMessage(
4250                                                conversation,
4251                                                getString(
4252                                                        R.string.contact_has_read_up_to_this_point,
4253                                                        conversation.getName())));
4254                                return;
4255                            }
4256                        }
4257                    }
4258                }
4259            }
4260        } else {
4261            final MucOptions mucOptions = conversation.getMucOptions();
4262            final List<MucOptions.User> allUsers = mucOptions.getUsers();
4263            final Set<ReadByMarker> addedMarkers = new HashSet<>();
4264            ChatState state = ChatState.COMPOSING;
4265            List<MucOptions.User> users =
4266                    conversation.getMucOptions().getUsersWithChatState(state, 5);
4267            if (users.size() == 0) {
4268                state = ChatState.PAUSED;
4269                users = conversation.getMucOptions().getUsersWithChatState(state, 5);
4270            }
4271            if (mucOptions.isPrivateAndNonAnonymous()) {
4272                for (int i = this.messageList.size() - 1; i >= 0; --i) {
4273                    final Set<ReadByMarker> markersForMessage =
4274                            messageList.get(i).getReadByMarkers();
4275                    final List<MucOptions.User> shownMarkers = new ArrayList<>();
4276                    for (ReadByMarker marker : markersForMessage) {
4277                        if (!ReadByMarker.contains(marker, addedMarkers)) {
4278                            addedMarkers.add(
4279                                    marker); // may be put outside this condition. set should do
4280                            // dedup anyway
4281                            MucOptions.User user = mucOptions.findUser(marker);
4282                            if (user != null && !users.contains(user)) {
4283                                shownMarkers.add(user);
4284                            }
4285                        }
4286                    }
4287                    final ReadByMarker markerForSender = ReadByMarker.from(messageList.get(i));
4288                    final Message statusMessage;
4289                    final int size = shownMarkers.size();
4290                    if (size > 1) {
4291                        final String body;
4292                        if (size <= 4) {
4293                            body =
4294                                    getString(
4295                                            R.string.contacts_have_read_up_to_this_point,
4296                                            UIHelper.concatNames(shownMarkers));
4297                        } else if (ReadByMarker.allUsersRepresented(
4298                                allUsers, markersForMessage, markerForSender)) {
4299                            body = getString(R.string.everyone_has_read_up_to_this_point);
4300                        } else {
4301                            body =
4302                                    getString(
4303                                            R.string.contacts_and_n_more_have_read_up_to_this_point,
4304                                            UIHelper.concatNames(shownMarkers, 3),
4305                                            size - 3);
4306                        }
4307                        statusMessage = Message.createStatusMessage(conversation, body);
4308                        statusMessage.setCounterparts(shownMarkers);
4309                    } else if (size == 1) {
4310                        statusMessage =
4311                                Message.createStatusMessage(
4312                                        conversation,
4313                                        getString(
4314                                                R.string.contact_has_read_up_to_this_point,
4315                                                UIHelper.getDisplayName(shownMarkers.get(0))));
4316                        statusMessage.setCounterpart(shownMarkers.get(0).getFullJid());
4317                        statusMessage.setTrueCounterpart(shownMarkers.get(0).getRealJid());
4318                    } else {
4319                        statusMessage = null;
4320                    }
4321                    if (statusMessage != null) {
4322                        this.messageList.add(i + 1, statusMessage);
4323                    }
4324                    addedMarkers.add(markerForSender);
4325                    if (ReadByMarker.allUsersRepresented(allUsers, addedMarkers)) {
4326                        break;
4327                    }
4328                }
4329            }
4330            if (users.size() > 0) {
4331                Message statusMessage;
4332                if (users.size() == 1) {
4333                    MucOptions.User user = users.get(0);
4334                    int id =
4335                            state == ChatState.COMPOSING
4336                                    ? R.string.contact_is_typing
4337                                    : R.string.contact_has_stopped_typing;
4338                    statusMessage =
4339                            Message.createStatusMessage(
4340                                    conversation, getString(id, UIHelper.getDisplayName(user)));
4341                    statusMessage.setTrueCounterpart(user.getRealJid());
4342                    statusMessage.setCounterpart(user.getFullJid());
4343                } else {
4344                    int id =
4345                            state == ChatState.COMPOSING
4346                                    ? R.string.contacts_are_typing
4347                                    : R.string.contacts_have_stopped_typing;
4348                    statusMessage =
4349                            Message.createStatusMessage(
4350                                    conversation, getString(id, UIHelper.concatNames(users)));
4351                    statusMessage.setCounterparts(users);
4352                }
4353                this.messageList.add(statusMessage);
4354            }
4355        }
4356    }
4357
4358    private void stopScrolling() {
4359        long now = SystemClock.uptimeMillis();
4360        MotionEvent cancel = MotionEvent.obtain(now, now, MotionEvent.ACTION_CANCEL, 0, 0, 0);
4361        binding.messagesView.dispatchTouchEvent(cancel);
4362    }
4363
4364    private boolean showLoadMoreMessages(final Conversation c) {
4365        if (activity == null || activity.xmppConnectionService == null) {
4366            return false;
4367        }
4368        final boolean mam = hasMamSupport(c) && !c.getContact().isBlocked();
4369        final MessageArchiveService service =
4370                activity.xmppConnectionService.getMessageArchiveService();
4371        return mam
4372                && (c.getLastClearHistory().getTimestamp() != 0
4373                        || (c.countMessages() == 0
4374                                && c.messagesLoaded.get()
4375                                && c.hasMessagesLeftOnServer()
4376                                && !service.queryInProgress(c)));
4377    }
4378
4379    private boolean hasMamSupport(final Conversation c) {
4380        if (c.getMode() == Conversation.MODE_SINGLE) {
4381            final XmppConnection connection = c.getAccount().getXmppConnection();
4382            return connection != null && connection.getFeatures().mam();
4383        } else {
4384            return c.getMucOptions().mamSupport();
4385        }
4386    }
4387
4388    protected void showSnackbar(
4389            final int message, final int action, final OnClickListener clickListener) {
4390        showSnackbar(message, action, clickListener, null);
4391    }
4392
4393    protected void showSnackbar(
4394            final int message,
4395            final int action,
4396            final OnClickListener clickListener,
4397            final View.OnLongClickListener longClickListener) {
4398        this.binding.snackbar.setVisibility(View.VISIBLE);
4399        this.binding.snackbar.setOnClickListener(null);
4400        this.binding.snackbarMessage.setText(message);
4401        this.binding.snackbarMessage.setOnClickListener(null);
4402        this.binding.snackbarAction.setVisibility(clickListener == null ? View.GONE : View.VISIBLE);
4403        if (action != 0) {
4404            this.binding.snackbarAction.setText(action);
4405        }
4406        this.binding.snackbarAction.setOnClickListener(clickListener);
4407        this.binding.snackbarAction.setOnLongClickListener(longClickListener);
4408    }
4409
4410    protected void hideSnackbar() {
4411        this.binding.snackbar.setVisibility(View.GONE);
4412    }
4413
4414    protected void sendMessage(Message message) {
4415        new Thread(() -> activity.xmppConnectionService.sendMessage(message)).start();
4416        messageSent();
4417    }
4418
4419    protected void sendPgpMessage(final Message message) {
4420        final XmppConnectionService xmppService = activity.xmppConnectionService;
4421        final Contact contact = message.getConversation().getContact();
4422        if (!activity.hasPgp()) {
4423            activity.showInstallPgpDialog();
4424            return;
4425        }
4426        if (conversation.getAccount().getPgpSignature() == null) {
4427            activity.announcePgp(
4428                    conversation.getAccount(), conversation, null, activity.onOpenPGPKeyPublished);
4429            return;
4430        }
4431        if (!mSendingPgpMessage.compareAndSet(false, true)) {
4432            Log.d(Config.LOGTAG, "sending pgp message already in progress");
4433        }
4434        if (conversation.getMode() == Conversation.MODE_SINGLE) {
4435            if (contact.getPgpKeyId() != 0) {
4436                xmppService
4437                        .getPgpEngine()
4438                        .hasKey(
4439                                contact,
4440                                new UiCallback<Contact>() {
4441
4442                                    @Override
4443                                    public void userInputRequired(
4444                                            PendingIntent pi, Contact contact) {
4445                                        startPendingIntent(pi, REQUEST_ENCRYPT_MESSAGE);
4446                                    }
4447
4448                                    @Override
4449                                    public void success(Contact contact) {
4450                                        encryptTextMessage(message);
4451                                    }
4452
4453                                    @Override
4454                                    public void error(int error, Contact contact) {
4455                                        activity.runOnUiThread(
4456                                                () ->
4457                                                        Toast.makeText(
4458                                                                        activity,
4459                                                                        R.string
4460                                                                                .unable_to_connect_to_keychain,
4461                                                                        Toast.LENGTH_SHORT)
4462                                                                .show());
4463                                        mSendingPgpMessage.set(false);
4464                                    }
4465                                });
4466
4467            } else {
4468                showNoPGPKeyDialog(
4469                        false,
4470                        (dialog, which) -> {
4471                            conversation.setNextEncryption(Message.ENCRYPTION_NONE);
4472                            xmppService.updateConversation(conversation);
4473                            message.setEncryption(Message.ENCRYPTION_NONE);
4474                            xmppService.sendMessage(message);
4475                            messageSent();
4476                        });
4477            }
4478        } else {
4479            if (conversation.getMucOptions().pgpKeysInUse()) {
4480                if (!conversation.getMucOptions().everybodyHasKeys()) {
4481                    Toast warning =
4482                            Toast.makeText(
4483                                    getActivity(), R.string.missing_public_keys, Toast.LENGTH_LONG);
4484                    warning.setGravity(Gravity.CENTER_VERTICAL, 0, 0);
4485                    warning.show();
4486                }
4487                encryptTextMessage(message);
4488            } else {
4489                showNoPGPKeyDialog(
4490                        true,
4491                        (dialog, which) -> {
4492                            conversation.setNextEncryption(Message.ENCRYPTION_NONE);
4493                            message.setEncryption(Message.ENCRYPTION_NONE);
4494                            xmppService.updateConversation(conversation);
4495                            xmppService.sendMessage(message);
4496                            messageSent();
4497                        });
4498            }
4499        }
4500    }
4501
4502    public void encryptTextMessage(Message message) {
4503        activity.xmppConnectionService
4504                .getPgpEngine()
4505                .encrypt(
4506                        message,
4507                        new UiCallback<Message>() {
4508
4509                            @Override
4510                            public void userInputRequired(PendingIntent pi, Message message) {
4511                                startPendingIntent(pi, REQUEST_SEND_MESSAGE);
4512                            }
4513
4514                            @Override
4515                            public void success(Message message) {
4516                                // TODO the following two call can be made before the callback
4517                                getActivity().runOnUiThread(() -> messageSent());
4518                            }
4519
4520                            @Override
4521                            public void error(final int error, Message message) {
4522                                getActivity()
4523                                        .runOnUiThread(
4524                                                () -> {
4525                                                    doneSendingPgpMessage();
4526                                                    Toast.makeText(
4527                                                                    getActivity(),
4528                                                                    error == 0
4529                                                                            ? R.string
4530                                                                                    .unable_to_connect_to_keychain
4531                                                                            : error,
4532                                                                    Toast.LENGTH_SHORT)
4533                                                            .show();
4534                                                });
4535                            }
4536                        });
4537    }
4538
4539    public void showNoPGPKeyDialog(
4540            final boolean plural, final DialogInterface.OnClickListener listener) {
4541        final MaterialAlertDialogBuilder builder =
4542                new MaterialAlertDialogBuilder(requireActivity());
4543        if (plural) {
4544            builder.setTitle(getString(R.string.no_pgp_keys));
4545            builder.setMessage(getText(R.string.contacts_have_no_pgp_keys));
4546        } else {
4547            builder.setTitle(getString(R.string.no_pgp_key));
4548            builder.setMessage(getText(R.string.contact_has_no_pgp_key));
4549        }
4550        builder.setNegativeButton(getString(R.string.cancel), null);
4551        builder.setPositiveButton(getString(R.string.send_unencrypted), listener);
4552        builder.create().show();
4553    }
4554
4555    public void appendText(String text, final boolean doNotAppend) {
4556        if (text == null) {
4557            return;
4558        }
4559        final Editable editable = this.binding.textinput.getText();
4560        String previous = editable == null ? "" : editable.toString();
4561        if (doNotAppend && !TextUtils.isEmpty(previous)) {
4562            Toast.makeText(getActivity(), R.string.already_drafting_message, Toast.LENGTH_LONG)
4563                    .show();
4564            return;
4565        }
4566        if (UIHelper.isLastLineQuote(previous)) {
4567            text = '\n' + text;
4568        } else if (previous.length() != 0
4569                && !Character.isWhitespace(previous.charAt(previous.length() - 1))) {
4570            text = " " + text;
4571        }
4572        this.binding.textinput.append(text);
4573    }
4574
4575    @Override
4576    public boolean onEnterPressed(final boolean isCtrlPressed) {
4577        if (isCtrlPressed || enterIsSend()) {
4578            sendMessage();
4579            return true;
4580        }
4581        return false;
4582    }
4583
4584    private boolean enterIsSend() {
4585        final SharedPreferences p = PreferenceManager.getDefaultSharedPreferences(getActivity());
4586        return p.getBoolean("enter_is_send", getResources().getBoolean(R.bool.enter_is_send));
4587    }
4588
4589    public boolean onArrowUpCtrlPressed() {
4590        final Message lastEditableMessage =
4591                conversation == null ? null : conversation.getLastEditableMessage();
4592        if (lastEditableMessage != null) {
4593            correctMessage(lastEditableMessage);
4594            return true;
4595        } else {
4596            Toast.makeText(getActivity(), R.string.could_not_correct_message, Toast.LENGTH_LONG)
4597                    .show();
4598            return false;
4599        }
4600    }
4601
4602    @Override
4603    public void onTypingStarted() {
4604        final XmppConnectionService service =
4605                activity == null ? null : activity.xmppConnectionService;
4606        if (service == null) {
4607            return;
4608        }
4609        final Account.State status = conversation.getAccount().getStatus();
4610        if (status == Account.State.ONLINE
4611                && conversation.setOutgoingChatState(ChatState.COMPOSING)) {
4612            service.sendChatState(conversation);
4613        }
4614        runOnUiThread(this::updateSendButton);
4615    }
4616
4617    @Override
4618    public void onTypingStopped() {
4619        final XmppConnectionService service =
4620                activity == null ? null : activity.xmppConnectionService;
4621        if (service == null) {
4622            return;
4623        }
4624        final Account.State status = conversation.getAccount().getStatus();
4625        if (status == Account.State.ONLINE && conversation.setOutgoingChatState(ChatState.PAUSED)) {
4626            service.sendChatState(conversation);
4627        }
4628    }
4629
4630    @Override
4631    public void onTextDeleted() {
4632        final XmppConnectionService service =
4633                activity == null ? null : activity.xmppConnectionService;
4634        if (service == null) {
4635            return;
4636        }
4637        final Account.State status = conversation.getAccount().getStatus();
4638        if (status == Account.State.ONLINE
4639                && conversation.setOutgoingChatState(Config.DEFAULT_CHAT_STATE)) {
4640            service.sendChatState(conversation);
4641        }
4642        if (storeNextMessage()) {
4643            runOnUiThread(
4644                    () -> {
4645                        if (activity == null) {
4646                            return;
4647                        }
4648                        activity.onConversationsListItemUpdated();
4649                    });
4650        }
4651        runOnUiThread(this::updateSendButton);
4652    }
4653
4654    @Override
4655    public void onTextChanged() {
4656        if (conversation != null && conversation.getCorrectingMessage() != null) {
4657            runOnUiThread(this::updateSendButton);
4658        }
4659    }
4660
4661    @Override
4662    public boolean onTabPressed(boolean repeated) {
4663        if (conversation == null || conversation.getMode() == Conversation.MODE_SINGLE) {
4664            return false;
4665        }
4666        if (repeated) {
4667            completionIndex++;
4668        } else {
4669            lastCompletionLength = 0;
4670            completionIndex = 0;
4671            final String content = this.binding.textinput.getText().toString();
4672            lastCompletionCursor = this.binding.textinput.getSelectionEnd();
4673            int start =
4674                    lastCompletionCursor > 0
4675                            ? content.lastIndexOf(" ", lastCompletionCursor - 1) + 1
4676                            : 0;
4677            firstWord = start == 0;
4678            incomplete = content.substring(start, lastCompletionCursor);
4679        }
4680        List<String> completions = new ArrayList<>();
4681        for (MucOptions.User user : conversation.getMucOptions().getUsers()) {
4682            String name = user.getNick();
4683            if (name != null && name.startsWith(incomplete)) {
4684                completions.add(name + (firstWord ? ": " : " "));
4685            }
4686        }
4687        Collections.sort(completions);
4688        if (completions.size() > completionIndex) {
4689            String completion = completions.get(completionIndex).substring(incomplete.length());
4690            this.binding
4691                    .textinput
4692                    .getEditableText()
4693                    .delete(lastCompletionCursor, lastCompletionCursor + lastCompletionLength);
4694            this.binding.textinput.getEditableText().insert(lastCompletionCursor, completion);
4695            lastCompletionLength = completion.length();
4696        } else {
4697            completionIndex = -1;
4698            this.binding
4699                    .textinput
4700                    .getEditableText()
4701                    .delete(lastCompletionCursor, lastCompletionCursor + lastCompletionLength);
4702            lastCompletionLength = 0;
4703        }
4704        return true;
4705    }
4706
4707    private void startPendingIntent(PendingIntent pendingIntent, int requestCode) {
4708        try {
4709            getActivity()
4710                    .startIntentSenderForResult(
4711                            pendingIntent.getIntentSender(),
4712                            requestCode,
4713                            null,
4714                            0,
4715                            0,
4716                            0,
4717                            Compatibility.pgpStartIntentSenderOptions());
4718        } catch (final SendIntentException ignored) {
4719        }
4720    }
4721
4722    @Override
4723    public void onBackendConnected() {
4724        Log.d(Config.LOGTAG, "ConversationFragment.onBackendConnected()");
4725        setupEmojiSearch();
4726        String uuid = pendingConversationsUuid.pop();
4727        if (uuid != null) {
4728            if (!findAndReInitByUuidOrArchive(uuid)) {
4729                return;
4730            }
4731        } else {
4732            if (!activity.xmppConnectionService.isConversationStillOpen(conversation)) {
4733                clearPending();
4734                activity.onConversationArchived(conversation);
4735                return;
4736            }
4737        }
4738        ActivityResult activityResult = postponedActivityResult.pop();
4739        if (activityResult != null) {
4740            handleActivityResult(activityResult);
4741        }
4742        clearPending();
4743    }
4744
4745    private boolean findAndReInitByUuidOrArchive(@NonNull final String uuid) {
4746        Conversation conversation = activity.xmppConnectionService.findConversationByUuid(uuid);
4747        if (conversation == null) {
4748            clearPending();
4749            activity.onConversationArchived(null);
4750            return false;
4751        }
4752        reInit(conversation);
4753        ScrollState scrollState = pendingScrollState.pop();
4754        String lastMessageUuid = pendingLastMessageUuid.pop();
4755        List<Attachment> attachments = pendingMediaPreviews.pop();
4756        if (scrollState != null) {
4757            setScrollPosition(scrollState, lastMessageUuid);
4758        }
4759        if (attachments != null && attachments.size() > 0) {
4760            Log.d(Config.LOGTAG, "had attachments on restore");
4761            mediaPreviewAdapter.addMediaPreviews(attachments);
4762            toggleInputMethod();
4763        }
4764        return true;
4765    }
4766
4767    private void clearPending() {
4768        if (postponedActivityResult.clear()) {
4769            Log.e(Config.LOGTAG, "cleared pending intent with unhandled result left");
4770            if (pendingTakePhotoUri.clear()) {
4771                Log.e(Config.LOGTAG, "cleared pending photo uri");
4772            }
4773        }
4774        if (pendingScrollState.clear()) {
4775            Log.e(Config.LOGTAG, "cleared scroll state");
4776        }
4777        if (pendingConversationsUuid.clear()) {
4778            Log.e(Config.LOGTAG, "cleared pending conversations uuid");
4779        }
4780        if (pendingMediaPreviews.clear()) {
4781            Log.e(Config.LOGTAG, "cleared pending media previews");
4782        }
4783    }
4784
4785    public Conversation getConversation() {
4786        return conversation;
4787    }
4788
4789    @Override
4790    public void onContactPictureLongClicked(View v, final Message message) {
4791        final String fingerprint;
4792        if (message.getEncryption() == Message.ENCRYPTION_PGP
4793                || message.getEncryption() == Message.ENCRYPTION_DECRYPTED) {
4794            fingerprint = "pgp";
4795        } else {
4796            fingerprint = message.getFingerprint();
4797        }
4798        final PopupMenu popupMenu = new PopupMenu(getActivity(), v);
4799        final Contact contact = message.getContact();
4800        if (message.getStatus() <= Message.STATUS_RECEIVED
4801                && (contact == null || !contact.isSelf())) {
4802            if (message.getConversation().getMode() == Conversation.MODE_MULTI) {
4803                final Jid cp = message.getCounterpart();
4804                if (cp == null || cp.isBareJid()) {
4805                    return;
4806                }
4807                final Jid tcp = message.getTrueCounterpart();
4808                final String occupantId = message.getOccupantId();
4809                final User userByRealJid =
4810                        tcp != null
4811                                ? conversation.getMucOptions().findOrCreateUserByRealJid(tcp, cp, occupantId)
4812                                : null;
4813                final User userByOccupantId =
4814                        occupantId != null
4815                                ? conversation.getMucOptions().findUserByOccupantId(occupantId, cp)
4816                                : null;
4817                final User user =
4818                        userByRealJid != null
4819                                ? userByRealJid
4820                                : (userByOccupantId != null ? userByOccupantId : conversation.getMucOptions().findUserByFullJid(cp));
4821                if (user == null) return;
4822                popupMenu.inflate(R.menu.muc_details_context);
4823                final Menu menu = popupMenu.getMenu();
4824                MucDetailsContextMenuHelper.configureMucDetailsContextMenu(
4825                        activity, menu, conversation, user);
4826                popupMenu.setOnMenuItemClickListener(
4827                        menuItem ->
4828                                MucDetailsContextMenuHelper.onContextItemSelected(
4829                                        menuItem, user, activity, fingerprint));
4830            } else {
4831                popupMenu.inflate(R.menu.one_on_one_context);
4832                popupMenu.setOnMenuItemClickListener(
4833                        item -> {
4834                            switch (item.getItemId()) {
4835                                case R.id.action_contact_details:
4836                                    activity.switchToContactDetails(
4837                                            message.getContact(), fingerprint);
4838                                    break;
4839                                case R.id.action_show_qr_code:
4840                                    activity.showQrCode(
4841                                            "xmpp:"
4842                                                    + message.getContact()
4843                                                            .getJid()
4844                                                            .asBareJid()
4845                                                            .toString());
4846                                    break;
4847                            }
4848                            return true;
4849                        });
4850            }
4851        } else {
4852            popupMenu.inflate(R.menu.account_context);
4853            final Menu menu = popupMenu.getMenu();
4854            menu.findItem(R.id.action_manage_accounts)
4855                    .setVisible(QuickConversationsService.isConversations());
4856            popupMenu.setOnMenuItemClickListener(
4857                    item -> {
4858                        final XmppActivity activity = this.activity;
4859                        if (activity == null) {
4860                            Log.e(Config.LOGTAG, "Unable to perform action. no context provided");
4861                            return true;
4862                        }
4863                        switch (item.getItemId()) {
4864                            case R.id.action_show_qr_code:
4865                                activity.showQrCode(conversation.getAccount().getShareableUri());
4866                                break;
4867                            case R.id.action_account_details:
4868                                activity.switchToAccount(
4869                                        message.getConversation().getAccount(), fingerprint);
4870                                break;
4871                            case R.id.action_manage_accounts:
4872                                AccountUtils.launchManageAccounts(activity);
4873                                break;
4874                        }
4875                        return true;
4876                    });
4877        }
4878        popupMenu.show();
4879    }
4880
4881    @Override
4882    public void onContactPictureClicked(Message message) {
4883        setThread(message.getThread());
4884        if (message.isPrivateMessage()) {
4885            privateMessageWith(message.getCounterpart());
4886            return;
4887        }
4888        forkNullThread(message);
4889        conversation.setUserSelectedThread(true);
4890
4891        final boolean received = message.getStatus() <= Message.STATUS_RECEIVED;
4892        if (received) {
4893            if (message.getConversation() instanceof Conversation
4894                    && message.getConversation().getMode() == Conversation.MODE_MULTI) {
4895                Jid tcp = message.getTrueCounterpart();
4896                Jid user = message.getCounterpart();
4897                if (user != null && !user.isBareJid()) {
4898                    final MucOptions mucOptions =
4899                            ((Conversation) message.getConversation()).getMucOptions();
4900                    if (mucOptions.participating()
4901                            || ((Conversation) message.getConversation()).getNextCounterpart()
4902                                    != null) {
4903                        MucOptions.User mucUser = mucOptions.findUserByFullJid(user);
4904                        MucOptions.User tcpMucUser = mucOptions.findUserByRealJid(tcp == null ? null : tcp.asBareJid());
4905                        if (mucUser == null && tcpMucUser == null) {
4906                            Toast.makeText(
4907                                            getActivity(),
4908                                            activity.getString(
4909                                                    R.string.user_has_left_conference,
4910                                                    user.getResource()),
4911                                            Toast.LENGTH_SHORT)
4912                                    .show();
4913                        }
4914                        highlightInConference(mucUser == null || mucUser.getNick() == null ? (tcpMucUser == null || tcpMucUser.getNick() == null ? user.getResource() : tcpMucUser.getNick()) : mucUser.getNick());
4915                    } else {
4916                        Toast.makeText(
4917                                        getActivity(),
4918                                        R.string.you_are_not_participating,
4919                                        Toast.LENGTH_SHORT)
4920                                .show();
4921                    }
4922                }
4923            }
4924        }
4925    }
4926
4927    private Activity requireActivity() {
4928        Activity activity = getActivity();
4929        if (activity == null) activity = this.activity;
4930        if (activity == null) {
4931            throw new IllegalStateException("Activity not attached");
4932        }
4933        return activity;
4934    }
4935}