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