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