ConversationFragment.java

   1package eu.siacs.conversations.ui;
   2
   3import static eu.siacs.conversations.ui.XmppActivity.EXTRA_ACCOUNT;
   4import static eu.siacs.conversations.ui.XmppActivity.REQUEST_INVITE_TO_CONVERSATION;
   5import static eu.siacs.conversations.ui.util.SoftKeyboardUtils.hideSoftKeyboard;
   6import static eu.siacs.conversations.utils.PermissionUtils.allGranted;
   7import static eu.siacs.conversations.utils.PermissionUtils.audioGranted;
   8import static eu.siacs.conversations.utils.PermissionUtils.cameraGranted;
   9import static eu.siacs.conversations.utils.PermissionUtils.getFirstDenied;
  10import static eu.siacs.conversations.utils.PermissionUtils.writeGranted;
  11
  12import android.Manifest;
  13import android.annotation.SuppressLint;
  14import android.app.Activity;
  15import android.app.DatePickerDialog;
  16import android.app.Fragment;
  17import android.app.FragmentManager;
  18import android.app.PendingIntent;
  19import android.app.ProgressDialog;
  20import android.app.TimePickerDialog;
  21import android.content.ActivityNotFoundException;
  22import android.content.Context;
  23import android.content.DialogInterface;
  24import android.content.Intent;
  25import android.content.IntentSender.SendIntentException;
  26import android.content.SharedPreferences;
  27import android.content.pm.PackageManager;
  28import android.content.res.ColorStateList;
  29import android.graphics.Color;
  30import android.icu.util.Calendar;
  31import android.icu.util.TimeZone;
  32import android.net.Uri;
  33import android.os.Build;
  34import android.os.Bundle;
  35import android.os.Environment;
  36import android.os.Handler;
  37import android.os.Looper;
  38import android.os.storage.StorageManager;
  39import android.os.SystemClock;
  40import android.preference.PreferenceManager;
  41import android.provider.MediaStore;
  42import android.text.Editable;
  43import android.text.TextUtils;
  44import android.text.TextWatcher;
  45import android.text.SpannableStringBuilder;
  46import android.text.style.ImageSpan;
  47import android.util.DisplayMetrics;
  48import android.util.Log;
  49import android.view.ContextMenu;
  50import android.view.ContextMenu.ContextMenuInfo;
  51import android.view.Gravity;
  52import android.view.LayoutInflater;
  53import android.view.Menu;
  54import android.view.MenuInflater;
  55import android.view.MenuItem;
  56import android.view.MotionEvent;
  57import android.view.View;
  58import android.view.View.OnClickListener;
  59import android.view.ViewGroup;
  60import android.view.animation.AlphaAnimation;
  61import android.view.animation.Animation;
  62import android.view.animation.CycleInterpolator;
  63import android.view.inputmethod.EditorInfo;
  64import android.view.inputmethod.InputMethodManager;
  65import android.view.WindowManager;
  66import android.widget.AbsListView;
  67import android.widget.AbsListView.OnScrollListener;
  68import android.widget.AdapterView;
  69import android.widget.AdapterView.AdapterContextMenuInfo;
  70import android.widget.CheckBox;
  71import android.widget.ListView;
  72import android.widget.PopupMenu;
  73import android.widget.PopupWindow;
  74import android.widget.TextView.OnEditorActionListener;
  75import android.widget.Toast;
  76
  77import androidx.activity.OnBackPressedCallback;
  78import androidx.annotation.IdRes;
  79import androidx.annotation.NonNull;
  80import androidx.annotation.Nullable;
  81import androidx.annotation.StringRes;
  82import androidx.appcompat.app.AlertDialog;
  83import androidx.core.content.pm.ShortcutInfoCompat;
  84import androidx.core.content.pm.ShortcutManagerCompat;
  85import androidx.core.graphics.ColorUtils;
  86import androidx.core.view.inputmethod.InputConnectionCompat;
  87import androidx.core.view.inputmethod.InputContentInfoCompat;
  88import androidx.databinding.DataBindingUtil;
  89import androidx.documentfile.provider.DocumentFile;
  90import androidx.recyclerview.widget.RecyclerView.Adapter;
  91import androidx.viewpager.widget.PagerAdapter;
  92import androidx.viewpager.widget.ViewPager;
  93
  94import com.cheogram.android.BobTransfer;
  95import com.cheogram.android.EmojiSearch;
  96import com.cheogram.android.EditMessageSelectionActionModeCallback;
  97import com.cheogram.android.WebxdcPage;
  98import com.cheogram.android.WebxdcStore;
  99
 100import com.google.android.material.color.MaterialColors;
 101import com.google.android.material.dialog.MaterialAlertDialogBuilder;
 102import com.google.common.base.Optional;
 103import com.google.common.collect.Collections2;
 104import com.google.common.collect.ImmutableList;
 105import com.google.common.collect.ImmutableSet;
 106import com.google.common.collect.Lists;
 107import com.google.common.collect.Ordering;
 108import com.google.common.io.Files;
 109import com.google.common.util.concurrent.Futures;
 110import com.google.common.util.concurrent.FutureCallback;
 111import com.google.common.util.concurrent.MoreExecutors;
 112
 113import com.otaliastudios.autocomplete.Autocomplete;
 114import com.otaliastudios.autocomplete.AutocompleteCallback;
 115import com.otaliastudios.autocomplete.AutocompletePresenter;
 116import com.otaliastudios.autocomplete.CharPolicy;
 117import com.otaliastudios.autocomplete.RecyclerViewPresenter;
 118
 119import org.jetbrains.annotations.NotNull;
 120
 121import io.ipfs.cid.Cid;
 122
 123import java.io.File;
 124import java.net.URISyntaxException;
 125import java.util.AbstractMap;
 126import java.util.ArrayList;
 127import java.util.Arrays;
 128import java.util.Collection;
 129import java.util.Collections;
 130import java.util.HashSet;
 131import java.util.Iterator;
 132import java.util.LinkedList;
 133import java.util.List;
 134import java.util.Locale;
 135import java.util.Map;
 136import java.util.Set;
 137import java.util.UUID;
 138import java.util.concurrent.atomic.AtomicBoolean;
 139import java.util.regex.Matcher;
 140import java.util.regex.Pattern;
 141import java.util.stream.Collectors;
 142
 143import com.google.common.collect.Iterables;
 144import de.gultsch.common.Linkify;
 145import de.gultsch.common.Patterns;
 146import eu.siacs.conversations.Config;
 147import eu.siacs.conversations.R;
 148import eu.siacs.conversations.crypto.axolotl.AxolotlService;
 149import eu.siacs.conversations.crypto.axolotl.FingerprintStatus;
 150import eu.siacs.conversations.databinding.FragmentConversationBinding;
 151import eu.siacs.conversations.entities.Account;
 152import eu.siacs.conversations.entities.Blockable;
 153import eu.siacs.conversations.entities.Contact;
 154import eu.siacs.conversations.entities.Conversation;
 155import eu.siacs.conversations.entities.Conversational;
 156import eu.siacs.conversations.entities.DownloadableFile;
 157import eu.siacs.conversations.entities.Message;
 158import eu.siacs.conversations.entities.MucOptions;
 159import eu.siacs.conversations.entities.MucOptions.User;
 160import eu.siacs.conversations.entities.Presences;
 161import eu.siacs.conversations.entities.ReadByMarker;
 162import eu.siacs.conversations.entities.Transferable;
 163import eu.siacs.conversations.entities.TransferablePlaceholder;
 164import eu.siacs.conversations.http.HttpDownloadConnection;
 165import eu.siacs.conversations.persistance.FileBackend;
 166import eu.siacs.conversations.services.CallIntegrationConnectionService;
 167import eu.siacs.conversations.services.MessageArchiveService;
 168import eu.siacs.conversations.services.QuickConversationsService;
 169import eu.siacs.conversations.services.XmppConnectionService;
 170import eu.siacs.conversations.ui.adapter.CommandAdapter;
 171import eu.siacs.conversations.ui.adapter.MediaPreviewAdapter;
 172import eu.siacs.conversations.ui.adapter.MessageAdapter;
 173import eu.siacs.conversations.ui.adapter.UserAdapter;
 174import eu.siacs.conversations.ui.util.ActivityResult;
 175import eu.siacs.conversations.ui.util.Attachment;
 176import eu.siacs.conversations.ui.util.ConversationMenuConfigurator;
 177import eu.siacs.conversations.ui.util.DateSeparator;
 178import eu.siacs.conversations.ui.util.EditMessageActionModeCallback;
 179import eu.siacs.conversations.ui.util.ListViewUtils;
 180import eu.siacs.conversations.ui.util.MenuDoubleTabUtil;
 181import eu.siacs.conversations.ui.util.MucDetailsContextMenuHelper;
 182import eu.siacs.conversations.ui.util.PendingItem;
 183import eu.siacs.conversations.ui.util.PresenceSelector;
 184import eu.siacs.conversations.ui.util.ScrollState;
 185import eu.siacs.conversations.ui.util.SendButtonAction;
 186import eu.siacs.conversations.ui.util.SendButtonTool;
 187import eu.siacs.conversations.ui.util.ShareUtil;
 188import eu.siacs.conversations.ui.util.ViewUtil;
 189import eu.siacs.conversations.ui.widget.EditMessage;
 190import eu.siacs.conversations.utils.AccountUtils;
 191import eu.siacs.conversations.utils.Compatibility;
 192import eu.siacs.conversations.utils.Emoticons;
 193import eu.siacs.conversations.utils.GeoHelper;
 194import eu.siacs.conversations.utils.MessageUtils;
 195import eu.siacs.conversations.utils.MimeUtils;
 196import eu.siacs.conversations.utils.NickValidityChecker;
 197import eu.siacs.conversations.utils.PermissionUtils;
 198import eu.siacs.conversations.utils.QuickLoader;
 199import eu.siacs.conversations.utils.StylingHelper;
 200import eu.siacs.conversations.utils.TimeFrameUtils;
 201import eu.siacs.conversations.utils.UIHelper;
 202import eu.siacs.conversations.xml.Element;
 203import eu.siacs.conversations.xml.Namespace;
 204import eu.siacs.conversations.xmpp.Jid;
 205import eu.siacs.conversations.xmpp.XmppConnection;
 206import eu.siacs.conversations.xmpp.chatstate.ChatState;
 207import eu.siacs.conversations.xmpp.jingle.AbstractJingleConnection;
 208import eu.siacs.conversations.xmpp.jingle.JingleConnectionManager;
 209import eu.siacs.conversations.xmpp.jingle.JingleFileTransferConnection;
 210import eu.siacs.conversations.xmpp.jingle.Media;
 211import eu.siacs.conversations.xmpp.jingle.OngoingRtpSession;
 212import eu.siacs.conversations.xmpp.jingle.RtpCapability;
 213import eu.siacs.conversations.xmpp.jingle.RtpEndUserState;
 214import eu.siacs.conversations.xmpp.manager.BookmarkManager;
 215import eu.siacs.conversations.xmpp.manager.DiscoManager;
 216
 217import im.conversations.android.xmpp.Entity;
 218import im.conversations.android.xmpp.model.disco.info.InfoQuery;
 219import im.conversations.android.xmpp.model.disco.items.Item;
 220import im.conversations.android.xmpp.model.muc.Affiliation;
 221import im.conversations.android.xmpp.model.muc.Role;
 222import im.conversations.android.xmpp.model.stanza.Iq;
 223
 224import org.jetbrains.annotations.NotNull;
 225import eu.siacs.conversations.xmpp.manager.HttpUploadManager;
 226import eu.siacs.conversations.xmpp.manager.MultiUserChatManager;
 227import eu.siacs.conversations.xmpp.manager.PresenceManager;
 228import im.conversations.android.xmpp.model.stanza.Presence;
 229import java.util.ArrayList;
 230import java.util.Arrays;
 231import java.util.Collection;
 232import java.util.Collections;
 233import java.util.HashSet;
 234import java.util.Iterator;
 235import java.util.List;
 236import java.util.Objects;
 237import java.util.Set;
 238import java.util.UUID;
 239import java.util.concurrent.atomic.AtomicBoolean;
 240
 241public class ConversationFragment extends XmppFragment
 242        implements EditMessage.KeyboardListener,
 243                MessageAdapter.OnContactPictureLongClicked,
 244                MessageAdapter.OnContactPictureClicked,
 245                MessageAdapter.OnInlineImageLongClicked {
 246
 247    public static final int REQUEST_SEND_MESSAGE = 0x0201;
 248    public static final int REQUEST_DECRYPT_PGP = 0x0202;
 249    public static final int REQUEST_ENCRYPT_MESSAGE = 0x0207;
 250    public static final int REQUEST_TRUST_KEYS_TEXT = 0x0208;
 251    public static final int REQUEST_TRUST_KEYS_ATTACHMENTS = 0x0209;
 252    public static final int REQUEST_START_DOWNLOAD = 0x0210;
 253    public static final int REQUEST_ADD_EDITOR_CONTENT = 0x0211;
 254    public static final int REQUEST_COMMIT_ATTACHMENTS = 0x0212;
 255    public static final int REQUEST_START_AUDIO_CALL = 0x213;
 256    public static final int REQUEST_START_VIDEO_CALL = 0x214;
 257    public static final int REQUEST_SAVE_STICKER = 0x215;
 258    public static final int REQUEST_WEBXDC_STORE = 0x216;
 259    public static final int ATTACHMENT_CHOICE_CHOOSE_IMAGE = 0x0301;
 260    public static final int ATTACHMENT_CHOICE_TAKE_PHOTO = 0x0302;
 261    public static final int ATTACHMENT_CHOICE_CHOOSE_FILE = 0x0303;
 262    public static final int ATTACHMENT_CHOICE_RECORD_VOICE = 0x0304;
 263    public static final int ATTACHMENT_CHOICE_LOCATION = 0x0305;
 264    public static final int ATTACHMENT_CHOICE_INVALID = 0x0306;
 265    public static final int ATTACHMENT_CHOICE_RECORD_VIDEO = 0x0307;
 266
 267    public static final String RECENTLY_USED_QUICK_ACTION = "recently_used_quick_action";
 268    public static final String STATE_CONVERSATION_UUID =
 269            ConversationFragment.class.getName() + ".uuid";
 270    public static final String STATE_SCROLL_POSITION =
 271            ConversationFragment.class.getName() + ".scroll_position";
 272    public static final String STATE_PHOTO_URI =
 273            ConversationFragment.class.getName() + ".media_previews";
 274    public static final String STATE_MEDIA_PREVIEWS =
 275            ConversationFragment.class.getName() + ".take_photo_uri";
 276    private static final String STATE_LAST_MESSAGE_UUID = "state_last_message_uuid";
 277
 278    private final List<Message> messageList = new ArrayList<>();
 279    private final PendingItem<ActivityResult> postponedActivityResult = new PendingItem<>();
 280    private final PendingItem<String> pendingConversationsUuid = new PendingItem<>();
 281    private final PendingItem<ArrayList<Attachment>> pendingMediaPreviews = new PendingItem<>();
 282    private final PendingItem<Bundle> pendingExtras = new PendingItem<>();
 283    private final PendingItem<Uri> pendingTakePhotoUri = new PendingItem<>();
 284    private final PendingItem<ScrollState> pendingScrollState = new PendingItem<>();
 285    private final PendingItem<String> pendingLastMessageUuid = new PendingItem<>();
 286    private final PendingItem<Message> pendingMessage = new PendingItem<>();
 287    public Uri mPendingEditorContent = null;
 288    protected ArrayList<File> extensions = new ArrayList<>();
 289    protected MessageAdapter messageListAdapter;
 290    protected CommandAdapter commandAdapter;
 291    private MediaPreviewAdapter mediaPreviewAdapter;
 292    private String lastMessageUuid = null;
 293    private Conversation conversation;
 294    private FragmentConversationBinding binding;
 295    private Toast messageLoaderToast;
 296    private ConversationsActivity activity;
 297    private boolean reInitRequiredOnStart = true;
 298    private int identiconWidth = -1;
 299    private File savingAsSticker = null;
 300    private EmojiSearch emojiSearch = null;
 301
 302    private LinkedList<Message> replyJumps = new LinkedList<>();
 303
 304    private final OnClickListener clickToMuc =
 305            new OnClickListener() {
 306
 307                @Override
 308                public void onClick(View v) {
 309                    ConferenceDetailsActivity.open(getActivity(), conversation);
 310                }
 311            };
 312    private final OnClickListener leaveMuc =
 313            new OnClickListener() {
 314
 315                @Override
 316                public void onClick(View v) {
 317                    activity.xmppConnectionService.archiveConversation(conversation);
 318                }
 319            };
 320    private final OnClickListener joinMuc =
 321            new OnClickListener() {
 322
 323                @Override
 324                public void onClick(View v) {
 325                    activity.xmppConnectionService.joinMuc(conversation);
 326                }
 327            };
 328
 329    private final OnClickListener acceptJoin =
 330            new OnClickListener() {
 331                @Override
 332                public void onClick(View v) {
 333                    conversation.setAttribute("accept_non_anonymous", true);
 334                    activity.xmppConnectionService.updateConversation(conversation);
 335                    activity.xmppConnectionService.joinMuc(conversation);
 336                }
 337            };
 338
 339    private final OnClickListener enterPassword =
 340            new OnClickListener() {
 341
 342                @Override
 343                public void onClick(View v) {
 344                    MucOptions muc = conversation.getMucOptions();
 345                    String password = muc.getPassword();
 346                    if (password == null) {
 347                        password = "";
 348                    }
 349                    activity.quickPasswordEdit(
 350                            password,
 351                            value -> {
 352                                activity.xmppConnectionService.providePasswordForMuc(
 353                                        conversation, value);
 354                                return null;
 355                            });
 356                }
 357            };
 358    private final OnScrollListener mOnScrollListener =
 359            new OnScrollListener() {
 360
 361                @Override
 362                public void onScrollStateChanged(AbsListView view, int scrollState) {
 363                    if (AbsListView.OnScrollListener.SCROLL_STATE_IDLE == scrollState) {
 364                        fireReadEvent();
 365                    }
 366                }
 367
 368                @Override
 369                public void onScroll(
 370                        final AbsListView view,
 371                        int firstVisibleItem,
 372                        int visibleItemCount,
 373                        int totalItemCount) {
 374                    toggleScrollDownButton(view);
 375                    final Conversation conversation = ConversationFragment.this.conversation;
 376                    if (conversation == null) {
 377                        return;
 378                    }
 379                    synchronized (ConversationFragment.this.messageList) {
 380                        boolean paginateBackward = firstVisibleItem < 5;
 381                        boolean paginationForward = conversation.isInHistoryPart() && firstVisibleItem + visibleItemCount + 5 > totalItemCount;
 382                        loadMoreMessages(paginateBackward, paginationForward, view);
 383                    }
 384                }
 385            };
 386
 387    private void loadMoreMessages(boolean paginateBackward, boolean paginationForward, AbsListView view) {
 388        if (paginateBackward && !conversation.messagesLoaded.get()) {
 389            paginateBackward = false;
 390        }
 391
 392        if (
 393                conversation != null &&
 394                        messageList.size() > 0 &&
 395                        ((paginateBackward && conversation.messagesLoaded.compareAndSet(true, false)) ||
 396                                (paginationForward && conversation.historyPartLoadedForward.compareAndSet(true, false)))
 397        ) {
 398            long timestamp;
 399
 400            if (paginateBackward) {
 401                if (messageList.get(0).getType() == Message.TYPE_STATUS
 402                        && messageList.size() >= 2) {
 403                    timestamp = messageList.get(1).getTimeSent();
 404                } else {
 405                    timestamp = messageList.get(0).getTimeSent();
 406                }
 407            } else {
 408                if (messageList.get(messageList.size() - 1).getType() == Message.TYPE_STATUS
 409                        && messageList.size() >= 2) {
 410                    timestamp = messageList.get(messageList.size() - 2).getTimeSent();
 411                } else {
 412                    timestamp = messageList.get(messageList.size() - 1).getTimeSent();
 413                }
 414            }
 415
 416            boolean finalPaginateBackward = paginateBackward;
 417            activity.xmppConnectionService.loadMoreMessages(
 418                    conversation,
 419                    timestamp,
 420                    !paginateBackward,
 421                    new XmppConnectionService.OnMoreMessagesLoaded() {
 422                        @Override
 423                        public void onMoreMessagesLoaded(
 424                                final int c, final Conversation conversation) {
 425                            if (ConversationFragment.this.conversation
 426                                    != conversation) {
 427                                conversation.messagesLoaded.set(true);
 428                                return;
 429                            }
 430                            runOnUiThread(
 431                                    () -> {
 432                                        synchronized (messageList) {
 433                                            final int oldPosition =
 434                                                    binding.messagesView
 435                                                            .getFirstVisiblePosition();
 436                                            Message message = null;
 437                                            int childPos;
 438                                            for (childPos = 0;
 439                                                 childPos + oldPosition
 440                                                         < messageList.size();
 441                                                 ++childPos) {
 442                                                message =
 443                                                        messageList.get(
 444                                                                oldPosition
 445                                                                        + childPos);
 446                                                if (message.getType()
 447                                                        != Message.TYPE_STATUS) {
 448                                                    break;
 449                                                }
 450                                            }
 451                                            final String uuid =
 452                                                    message != null
 453                                                            ? message.getUuid()
 454                                                            : null;
 455                                            View v =
 456                                                    binding.messagesView.getChildAt(
 457                                                            childPos);
 458                                            final int pxOffset =
 459                                                    (v == null) ? 0 : v.getTop();
 460                                            ConversationFragment.this.conversation
 461                                                    .populateWithMessages(
 462                                                            ConversationFragment
 463                                                                    .this
 464                                                                    .messageList,
 465                                                            activity == null ? null : activity.xmppConnectionService);
 466                                            try {
 467                                                updateStatusMessages();
 468                                            } catch (IllegalStateException e) {
 469                                                Log.d(
 470                                                        Config.LOGTAG,
 471                                                        "caught illegal state exception while updating status messages");
 472                                            }
 473                                            messageListAdapter
 474                                                    .notifyDataSetChanged();
 475                                            int pos =
 476                                                    Math.max(
 477                                                            getIndexOf(
 478                                                                    uuid,
 479                                                                    messageList),
 480                                                            0);
 481                                            binding.messagesView
 482                                                    .setSelectionFromTop(
 483                                                            pos, pxOffset);
 484                                            if (messageLoaderToast != null) {
 485                                                messageLoaderToast.cancel();
 486                                            }
 487
 488                                            if (!finalPaginateBackward) {
 489                                                conversation.historyPartLoadedForward.set(true);
 490                                            } else {
 491                                                conversation.messagesLoaded.set(true);
 492                                            }
 493                                        }
 494                                    });
 495                        }
 496
 497                        @Override
 498                        public void informUser(final int resId) {
 499
 500                            runOnUiThread(
 501                                    () -> {
 502                                        if (messageLoaderToast != null) {
 503                                            messageLoaderToast.cancel();
 504                                        }
 505                                        if (ConversationFragment.this.conversation
 506                                                != conversation) {
 507                                            return;
 508                                        }
 509                                        messageLoaderToast =
 510                                                Toast.makeText(
 511                                                        view.getContext(),
 512                                                        resId,
 513                                                        Toast.LENGTH_LONG);
 514                                        messageLoaderToast.show();
 515                                    });
 516                        }
 517                    });
 518        }
 519    }
 520    private final EditMessage.OnCommitContentListener mEditorContentListener =
 521            new EditMessage.OnCommitContentListener() {
 522                @Override
 523                public boolean onCommitContent(
 524                        InputContentInfoCompat inputContentInfo,
 525                        int flags,
 526                        Bundle opts,
 527                        String[] contentMimeTypes) {
 528                    // try to get permission to read the image, if applicable
 529                    if ((flags & InputConnectionCompat.INPUT_CONTENT_GRANT_READ_URI_PERMISSION)
 530                            != 0) {
 531                        try {
 532                            inputContentInfo.requestPermission();
 533                        } catch (Exception e) {
 534                            Log.e(
 535                                    Config.LOGTAG,
 536                                    "InputContentInfoCompat#requestPermission() failed.",
 537                                    e);
 538                            Toast.makeText(
 539                                            getActivity(),
 540                                            activity.getString(
 541                                                    R.string.no_permission_to_access_x,
 542                                                    inputContentInfo.getDescription()),
 543                                            Toast.LENGTH_LONG)
 544                                    .show();
 545                            return false;
 546                        }
 547                    }
 548                    if (hasPermissions(
 549                            REQUEST_ADD_EDITOR_CONTENT,
 550                            Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
 551                        attachEditorContentToConversation(inputContentInfo.getContentUri());
 552                    } else {
 553                        mPendingEditorContent = inputContentInfo.getContentUri();
 554                    }
 555                    return true;
 556                }
 557            };
 558    private Message selectedMessage;
 559    private final OnClickListener mEnableAccountListener =
 560            new OnClickListener() {
 561                @Override
 562                public void onClick(View v) {
 563                    final Account account = conversation == null ? null : conversation.getAccount();
 564                    if (account != null) {
 565                        account.setOption(Account.OPTION_SOFT_DISABLED, false);
 566                        account.setOption(Account.OPTION_DISABLED, false);
 567                        activity.xmppConnectionService.updateAccount(account);
 568                    }
 569                }
 570            };
 571    private final OnClickListener mUnblockClickListener =
 572            new OnClickListener() {
 573                @Override
 574                public void onClick(final View v) {
 575                    v.post(() -> v.setVisibility(View.INVISIBLE));
 576                    if (conversation.isDomainBlocked()) {
 577                        BlockContactDialog.show(activity, conversation);
 578                    } else {
 579                        unblockConversation(conversation);
 580                    }
 581                }
 582            };
 583    private final OnClickListener mBlockClickListener = this::showBlockSubmenu;
 584    private final OnClickListener mAddBackClickListener =
 585            new OnClickListener() {
 586
 587                @Override
 588                public void onClick(View v) {
 589                    final Contact contact = conversation == null ? null : conversation.getContact();
 590                    if (contact != null) {
 591                        activity.xmppConnectionService.createContact(contact);
 592                        activity.switchToContactDetails(contact);
 593                    }
 594                }
 595            };
 596    private final View.OnLongClickListener mLongPressBlockListener = this::showBlockSubmenu;
 597    private final OnClickListener mAllowPresenceSubscription =
 598            new OnClickListener() {
 599                @Override
 600                public void onClick(View v) {
 601                    final Contact contact = conversation == null ? null : conversation.getContact();
 602                    if (contact != null) {
 603                        final var connection = contact.getAccount().getXmppConnection();
 604                        connection
 605                                .getManager(PresenceManager.class)
 606                                .subscribed(contact.getJid().asBareJid());
 607                        hideSnackbar();
 608                    }
 609                }
 610            };
 611    protected OnClickListener clickToDecryptListener =
 612            new OnClickListener() {
 613
 614                @Override
 615                public void onClick(View v) {
 616                    PendingIntent pendingIntent =
 617                            conversation.getAccount().getPgpDecryptionService().getPendingIntent();
 618                    if (pendingIntent != null) {
 619                        try {
 620                            getActivity()
 621                                    .startIntentSenderForResult(
 622                                            pendingIntent.getIntentSender(),
 623                                            REQUEST_DECRYPT_PGP,
 624                                            null,
 625                                            0,
 626                                            0,
 627                                            0,
 628                                            Compatibility.pgpStartIntentSenderOptions());
 629                        } catch (SendIntentException e) {
 630                            Toast.makeText(
 631                                            getActivity(),
 632                                            R.string.unable_to_connect_to_keychain,
 633                                            Toast.LENGTH_SHORT)
 634                                    .show();
 635                            conversation
 636                                    .getAccount()
 637                                    .getPgpDecryptionService()
 638                                    .continueDecryption(true);
 639                        }
 640                    }
 641                    updateSnackBar(conversation);
 642                }
 643            };
 644    private final AtomicBoolean mSendingPgpMessage = new AtomicBoolean(false);
 645    private final OnEditorActionListener mEditorActionListener =
 646            (v, actionId, event) -> {
 647                if (actionId == EditorInfo.IME_ACTION_SEND) {
 648                    InputMethodManager imm =
 649                            (InputMethodManager)
 650                                    activity.getSystemService(Context.INPUT_METHOD_SERVICE);
 651                    if (imm != null && imm.isFullscreenMode()) {
 652                        imm.hideSoftInputFromWindow(v.getWindowToken(), 0);
 653                    }
 654                    sendMessage();
 655                    return true;
 656                } else {
 657                    return false;
 658                }
 659            };
 660    private final OnClickListener mScrollButtonListener =
 661            new OnClickListener() {
 662
 663                @Override
 664                public void onClick(View v) {
 665                    stopScrolling();
 666
 667                    if (!replyJumps.isEmpty()) {
 668                        int lastVisiblePosition = binding.messagesView.getLastVisiblePosition();
 669                        Message lastVisibleMessage = messageListAdapter.getItem(lastVisiblePosition);
 670                        if (lastVisibleMessage == null) {
 671                            replyJumps.clear();
 672                        } else {
 673                            while (!replyJumps.isEmpty()) {
 674                                Message jump = replyJumps.pop();
 675                                if (jump.getTimeSent() > lastVisibleMessage.getTimeSent()) {
 676                                    Runnable postSelectionRunnable = () -> highlightMessage(jump.getUuid());
 677                                    updateSelection(jump.getUuid(), binding.messagesView.getHeight() / 2, postSelectionRunnable, false, false);
 678                                    return;
 679                                }
 680                            }
 681                        }
 682                    }
 683
 684                    if (conversation.isInHistoryPart()) {
 685                        conversation.jumpToLatest();
 686                        refresh(false);
 687                    }
 688                    setSelection(binding.messagesView.getCount() - 1, true);
 689                }
 690            };
 691    private final OnClickListener mSendButtonListener =
 692            new OnClickListener() {
 693
 694                @Override
 695                public void onClick(View v) {
 696                    Object tag = v.getTag();
 697                    if (tag instanceof SendButtonAction action) {
 698                        switch (action) {
 699                            case TAKE_PHOTO:
 700                            case RECORD_VIDEO:
 701                            case SEND_LOCATION:
 702                            case RECORD_VOICE:
 703                            case CHOOSE_PICTURE:
 704                                attachFile(action.toChoice());
 705                                break;
 706                            case CANCEL:
 707                                if (conversation != null) {
 708                                    conversation.setUserSelectedThread(false);
 709                                    if (conversation.setCorrectingMessage(null)) {
 710                                        binding.textinput.setText("");
 711                                        binding.textinput.append(conversation.getDraftMessage());
 712                                        conversation.setDraftMessage(null);
 713                                    } else if (conversation.getMode() == Conversation.MODE_MULTI) {
 714                                        conversation.setNextCounterpart(null);
 715                                        binding.textinput.setText("");
 716                                    } else {
 717                                        binding.textinput.setText("");
 718                                    }
 719                                    binding.textinputSubject.setText("");
 720                                    binding.textinputSubject.setVisibility(View.GONE);
 721                                    updateChatMsgHint();
 722                                    updateSendButton();
 723                                    updateEditablity();
 724                                }
 725                                break;
 726                            default:
 727                                sendMessage();
 728                        }
 729                    } else {
 730                        sendMessage();
 731                    }
 732                }
 733            };
 734    private OnBackPressedCallback backPressedLeaveSingleThread = new OnBackPressedCallback(false) {
 735        @Override
 736        public void handleOnBackPressed() {
 737            conversation.setLockThread(false);
 738            this.setEnabled(false);
 739            conversation.setUserSelectedThread(false);
 740            setThread(null);
 741            refresh();
 742            updateThreadFromLastMessage();
 743        }
 744    };
 745    private int completionIndex = 0;
 746    private int lastCompletionLength = 0;
 747    private String incomplete;
 748    private int lastCompletionCursor;
 749    private boolean firstWord = false;
 750    private Message mPendingDownloadableMessage;
 751    private ProgressDialog fetchHistoryDialog;
 752
 753    private static ConversationFragment findConversationFragment(Activity activity) {
 754        Fragment fragment = activity.getFragmentManager().findFragmentById(R.id.main_fragment);
 755        if (fragment instanceof ConversationFragment) {
 756            return (ConversationFragment) fragment;
 757        }
 758        fragment = activity.getFragmentManager().findFragmentById(R.id.secondary_fragment);
 759        if (fragment instanceof ConversationFragment) {
 760            return (ConversationFragment) fragment;
 761        }
 762        return null;
 763    }
 764
 765    public static void startStopPending(Activity activity) {
 766        ConversationFragment fragment = findConversationFragment(activity);
 767        if (fragment != null) {
 768            fragment.messageListAdapter.startStopPending();
 769        }
 770    }
 771
 772    public static void downloadFile(Activity activity, Message message) {
 773        ConversationFragment fragment = findConversationFragment(activity);
 774        if (fragment != null) {
 775            fragment.startDownloadable(message);
 776        }
 777    }
 778
 779    public static void registerPendingMessage(Activity activity, Message message) {
 780        ConversationFragment fragment = findConversationFragment(activity);
 781        if (fragment != null) {
 782            fragment.pendingMessage.push(message);
 783        }
 784    }
 785
 786    public static void openPendingMessage(Activity activity) {
 787        ConversationFragment fragment = findConversationFragment(activity);
 788        if (fragment != null) {
 789            Message message = fragment.pendingMessage.pop();
 790            if (message != null) {
 791                fragment.messageListAdapter.openDownloadable(message);
 792            }
 793        }
 794    }
 795
 796    public static Conversation getConversation(Activity activity) {
 797        return getConversation(activity, R.id.secondary_fragment);
 798    }
 799
 800    private static Conversation getConversation(Activity activity, @IdRes int res) {
 801        final Fragment fragment = activity.getFragmentManager().findFragmentById(res);
 802        if (fragment instanceof ConversationFragment) {
 803            return ((ConversationFragment) fragment).getConversation();
 804        } else {
 805            return null;
 806        }
 807    }
 808
 809    public static ConversationFragment get(Activity activity) {
 810        FragmentManager fragmentManager = activity.getFragmentManager();
 811        Fragment fragment = fragmentManager.findFragmentById(R.id.main_fragment);
 812        if (fragment instanceof ConversationFragment) {
 813            return (ConversationFragment) fragment;
 814        } else {
 815            fragment = fragmentManager.findFragmentById(R.id.secondary_fragment);
 816            return fragment instanceof ConversationFragment
 817                    ? (ConversationFragment) fragment
 818                    : null;
 819        }
 820    }
 821
 822    public static Conversation getConversationReliable(Activity activity) {
 823        final Conversation conversation = getConversation(activity, R.id.secondary_fragment);
 824        if (conversation != null) {
 825            return conversation;
 826        }
 827        return getConversation(activity, R.id.main_fragment);
 828    }
 829
 830    private static boolean scrolledToBottom(AbsListView listView) {
 831        final int count = listView.getCount();
 832        if (count == 0) {
 833            return true;
 834        } else if (listView.getLastVisiblePosition() == count - 1) {
 835            final View lastChild = listView.getChildAt(listView.getChildCount() - 1);
 836            return lastChild != null && lastChild.getBottom() <= listView.getHeight();
 837        } else {
 838            return false;
 839        }
 840    }
 841
 842    private void toggleScrollDownButton() {
 843        toggleScrollDownButton(binding.messagesView);
 844    }
 845
 846    private void toggleScrollDownButton(AbsListView listView) {
 847        if (conversation == null) {
 848            return;
 849        }
 850        if (scrolledToBottom(listView) && !conversation.isInHistoryPart()) {
 851            lastMessageUuid = null;
 852            hideUnreadMessagesCount();
 853        } else {
 854            binding.scrollToBottomButton.setEnabled(true);
 855            binding.scrollToBottomButton.show();
 856            if (lastMessageUuid == null) {
 857                lastMessageUuid = conversation.getLatestMessage().getUuid();
 858            }
 859            if (conversation.getReceivedMessagesCountSinceUuid(lastMessageUuid) > 0) {
 860                binding.unreadCountCustomView.setVisibility(View.VISIBLE);
 861            }
 862        }
 863    }
 864
 865    private int getIndexOf(String uuid, List<Message> messages) {
 866        if (uuid == null) {
 867            return messages.size() - 1;
 868        }
 869        for (int i = 0; i < messages.size(); ++i) {
 870            if (uuid.equals(messages.get(i).getUuid())) {
 871                return i;
 872            }
 873        }
 874        return -1;
 875    }
 876
 877    private int getIndexOfExtended(String uuid, List<Message> messages) {
 878        if (uuid == null) {
 879            return messages.size() - 1;
 880        }
 881        for (int i = 0; i < messages.size(); ++i) {
 882            if (uuid.equals(messages.get(i).getServerMsgId())) {
 883                return i;
 884            }
 885
 886            if (uuid.equals(messages.get(i).getRemoteMsgId())) {
 887                return i;
 888            }
 889
 890            if (uuid.equals(messages.get(i).getUuid())) {
 891                return i;
 892            }
 893        }
 894        return -1;
 895    }
 896
 897    private ScrollState getScrollPosition() {
 898        final ListView listView = this.binding == null ? null : this.binding.messagesView;
 899        if (listView == null
 900                || listView.getCount() == 0
 901                || listView.getLastVisiblePosition() == listView.getCount() - 1) {
 902            return null;
 903        } else {
 904            final int pos = listView.getFirstVisiblePosition();
 905            final View view = listView.getChildAt(0);
 906            if (view == null) {
 907                return null;
 908            } else {
 909                return new ScrollState(pos, view.getTop());
 910            }
 911        }
 912    }
 913
 914    private void setScrollPosition(ScrollState scrollPosition, String lastMessageUuid) {
 915        if (scrollPosition != null) {
 916
 917            this.lastMessageUuid = lastMessageUuid;
 918            if (lastMessageUuid != null) {
 919                binding.unreadCountCustomView.setUnreadCount(
 920                        conversation.getReceivedMessagesCountSinceUuid(lastMessageUuid));
 921            }
 922            // TODO maybe this needs a 'post'
 923            this.binding.messagesView.setSelectionFromTop(
 924                    scrollPosition.position, scrollPosition.offset);
 925            toggleScrollDownButton();
 926        }
 927    }
 928
 929    private void attachLocationToConversation(Conversation conversation, Uri uri) {
 930        if (conversation == null) {
 931            return;
 932        }
 933        final String subject = binding.textinputSubject.getText().toString();
 934        activity.xmppConnectionService.attachLocationToConversation(
 935                conversation,
 936                uri,
 937                subject,
 938                new UiCallback<Message>() {
 939
 940                    @Override
 941                    public void success(Message message) {
 942                        messageSent();
 943                    }
 944
 945                    @Override
 946                    public void error(int errorCode, Message object) {
 947                        // TODO show possible pgp error
 948                    }
 949
 950                    @Override
 951                    public void userInputRequired(PendingIntent pi, Message object) {}
 952                });
 953    }
 954
 955    private void attachFileToConversation(Conversation conversation, Uri uri, String type, Runnable next) {
 956        if (conversation == null) {
 957            return;
 958        }
 959        final String subject = binding.textinputSubject.getText().toString();
 960        if ("application/webxdc+zip".equals(type)) newSubThread();
 961        final Toast prepareFileToast =
 962                Toast.makeText(getActivity(), getText(R.string.preparing_file), Toast.LENGTH_LONG);
 963        prepareFileToast.show();
 964        activity.delegateUriPermissionsToService(uri);
 965        activity.xmppConnectionService.attachFileToConversation(
 966                conversation,
 967                uri,
 968                type,
 969                subject,
 970                new UiInformableCallback<Message>() {
 971                    @Override
 972                    public void inform(final String text) {
 973                        hidePrepareFileToast(prepareFileToast);
 974                        runOnUiThread(() -> activity.replaceToast(text));
 975                    }
 976
 977                    @Override
 978                    public void success(Message message) {
 979                        if (next == null) {
 980                            runOnUiThread(() -> {
 981                                activity.hideToast();
 982                                messageSent();
 983                            });
 984                        } else {
 985                            runOnUiThread(next);
 986                        }
 987                        hidePrepareFileToast(prepareFileToast);
 988                    }
 989
 990                    @Override
 991                    public void error(final int errorCode, Message message) {
 992                        hidePrepareFileToast(prepareFileToast);
 993                        runOnUiThread(() -> activity.replaceToast(getString(errorCode)));
 994                    }
 995
 996                    @Override
 997                    public void userInputRequired(PendingIntent pi, Message message) {
 998                        hidePrepareFileToast(prepareFileToast);
 999                    }
1000                });
1001    }
1002
1003    public void attachEditorContentToConversation(Uri uri) {
1004        mediaPreviewAdapter.addMediaPreviews(
1005                Attachment.of(getActivity(), uri, Attachment.Type.FILE));
1006        toggleInputMethod();
1007    }
1008
1009    private void attachImageToConversation(Conversation conversation, Uri uri, String type, Runnable next) {
1010        if (conversation == null) {
1011            return;
1012        }
1013        final String subject = binding.textinputSubject.getText().toString();
1014        final Toast prepareFileToast =
1015                Toast.makeText(getActivity(), getText(R.string.preparing_image), Toast.LENGTH_LONG);
1016        prepareFileToast.show();
1017        activity.delegateUriPermissionsToService(uri);
1018        activity.xmppConnectionService.attachImageToConversation(
1019                conversation,
1020                uri,
1021                type,
1022                subject,
1023                new UiCallback<Message>() {
1024
1025                    @Override
1026                    public void userInputRequired(PendingIntent pi, Message object) {
1027                        hidePrepareFileToast(prepareFileToast);
1028                    }
1029
1030                    @Override
1031                    public void success(Message message) {
1032                        hidePrepareFileToast(prepareFileToast);
1033                        if (next == null) {
1034                            runOnUiThread(() -> messageSent());
1035                        } else {
1036                            runOnUiThread(next);
1037                        }
1038                    }
1039
1040                    @Override
1041                    public void error(final int error, final Message message) {
1042                        hidePrepareFileToast(prepareFileToast);
1043                        final ConversationsActivity activity = ConversationFragment.this.activity;
1044                        if (activity == null) {
1045                            return;
1046                        }
1047                        activity.runOnUiThread(() -> activity.replaceToast(getString(error)));
1048                    }
1049                });
1050    }
1051
1052    private void hidePrepareFileToast(final Toast prepareFileToast) {
1053        if (prepareFileToast != null && activity != null) {
1054            activity.runOnUiThread(prepareFileToast::cancel);
1055        }
1056    }
1057
1058    private void sendMessage() {
1059        sendMessage((Long) null);
1060    }
1061
1062    private void sendMessage(Long sendAt) {
1063        if (sendAt != null && sendAt < System.currentTimeMillis()) sendAt = null; // No sending in past plz
1064        if (mediaPreviewAdapter.hasAttachments()) {
1065            commitAttachments();
1066            return;
1067        }
1068        Editable body = this.binding.textinput.getText();
1069        if (body == null) body = new SpannableStringBuilder("");
1070        if (body.length() > Config.MAX_DISPLAY_MESSAGE_CHARS) {
1071            Toast.makeText(activity, "Message is too long", Toast.LENGTH_SHORT).show();
1072            return;
1073        }
1074        final Conversation conversation = this.conversation;
1075        final boolean hasSubject = binding.textinputSubject.getText().length() > 0;
1076        if (conversation == null || (body.length() == 0 && (conversation.getThread() == null || !hasSubject))) {
1077            if (Build.VERSION.SDK_INT >= 24) {
1078                binding.textSendButton.showContextMenu(0, 0);
1079            } else {
1080                binding.textSendButton.showContextMenu();
1081            }
1082            return;
1083        }
1084        if (trustKeysIfNeeded(conversation, REQUEST_TRUST_KEYS_TEXT)) {
1085            return;
1086        }
1087        final Message message;
1088        if (conversation.getCorrectingMessage() == null) {
1089            boolean attention = false;
1090            if (Pattern.compile("\\A@here\\s.*").matcher(body).find()) {
1091                attention = true;
1092                body.delete(0, 6);
1093                while (body.length() > 0 && Character.isWhitespace(body.charAt(0))) body.delete(0, 1);
1094            }
1095            if (conversation.getReplyTo() != null) {
1096                if (Emoticons.isEmoji(body.toString().replaceAll("\\s", "")) && conversation.getNextCounterpart() == null && !conversation.getReplyTo().isPrivateMessage()) {
1097                    final var aggregated = conversation.getReplyTo().getAggregatedReactions();
1098                    final ImmutableSet.Builder<String> reactionBuilder = new ImmutableSet.Builder<>();
1099                    reactionBuilder.addAll(aggregated.ourReactions);
1100                    reactionBuilder.add(body.toString().replaceAll("\\s", ""));
1101                    activity.xmppConnectionService.sendReactions(conversation.getReplyTo(), reactionBuilder.build());
1102                    messageSent();
1103                    return;
1104                } else {
1105                    message = conversation.getReplyTo().reply();
1106                    message.appendBody(body);
1107                }
1108                message.setEncryption(conversation.getNextEncryption());
1109            } else {
1110                message = new Message(conversation, body.toString(), conversation.getNextEncryption());
1111                message.setBody(hasSubject && body.length() == 0 ? null : body);
1112                if (message.bodyIsOnlyEmojis()) {
1113                    var spannable = message.getSpannableBody(null, null);
1114                    ImageSpan[] imageSpans = spannable.getSpans(0, spannable.length(), ImageSpan.class);
1115                    for (ImageSpan span : imageSpans) {
1116                        final int start = spannable.getSpanStart(span);
1117                        final int end = spannable.getSpanEnd(span);
1118                        spannable.delete(start, end);
1119                    }
1120                    if (imageSpans.length == 1 && spannable.toString().replaceAll("\\s", "").length() < 1) {
1121                        // Only one inline image, so it's a sticker
1122                        String source = imageSpans[0].getSource();
1123                        if (source != null && source.length() > 0 && source.substring(0, 4).equals("cid:")) {
1124                            try {
1125                                final Cid cid = BobTransfer.cid(Uri.parse(source));
1126                                final String url = activity.xmppConnectionService.getUrlForCid(cid);
1127                                final File f = activity.xmppConnectionService.getFileForCid(cid);
1128                                if (url != null) {
1129                                    message.setBody("");
1130                                    message.setRelativeFilePath(f.getAbsolutePath());
1131                                    activity.xmppConnectionService.getFileBackend().updateFileParams(message);
1132                                }
1133                            } catch (final Exception e) { }
1134                        }
1135                    }
1136                }
1137            }
1138            if (hasSubject) message.setSubject(binding.textinputSubject.getText().toString());
1139            message.setThread(conversation.getThread());
1140            if (attention) {
1141                message.addPayload(new Element("attention", "urn:xmpp:attention:0"));
1142            }
1143            Message.configurePrivateMessage(message);
1144        } else {
1145            message = conversation.getCorrectingMessage();
1146            if (hasSubject) message.setSubject(binding.textinputSubject.getText().toString());
1147            message.setThread(conversation.getThread());
1148            if (conversation.getReplyTo() != null) {
1149                if (Emoticons.isEmoji(body.toString().replaceAll("\\s", ""))) {
1150                    message.updateReaction(conversation.getReplyTo(), body.toString().replaceAll("\\s", ""));
1151                } else {
1152                    message.updateReplyTo(conversation.getReplyTo(), body);
1153                }
1154            } else {
1155                message.clearReplyReact();
1156                message.setBody(hasSubject && body.length() == 0 ? null : body);
1157            }
1158            if (message.getStatus() == Message.STATUS_WAITING) {
1159                if (sendAt != null) message.setTime(sendAt);
1160                activity.xmppConnectionService.updateMessage(message);
1161                messageSent();
1162                return;
1163            } else {
1164                message.putEdited(message.getUuid(), message.getServerMsgId());
1165                message.setServerMsgId(null);
1166                message.setUuid(UUID.randomUUID().toString());
1167            }
1168        }
1169        if (sendAt != null) message.setTime(sendAt);
1170        switch (conversation.getNextEncryption()) {
1171            case Message.ENCRYPTION_PGP:
1172                sendPgpMessage(message);
1173                break;
1174            default:
1175                sendMessage(message);
1176        }
1177        setupReply(null);
1178    }
1179
1180    private boolean trustKeysIfNeeded(final Conversation conversation, final int requestCode) {
1181        return conversation.getNextEncryption() == Message.ENCRYPTION_AXOLOTL
1182                && trustKeysIfNeeded(requestCode);
1183    }
1184
1185    protected boolean trustKeysIfNeeded(int requestCode) {
1186        AxolotlService axolotlService = conversation.getAccount().getAxolotlService();
1187        if (axolotlService == null) return false;
1188        final List<Jid> targets = axolotlService.getCryptoTargets(conversation);
1189        boolean hasUnaccepted = !conversation.getAcceptedCryptoTargets().containsAll(targets);
1190        boolean hasUndecidedOwn =
1191                !axolotlService
1192                        .getKeysWithTrust(FingerprintStatus.createActiveUndecided())
1193                        .isEmpty();
1194        boolean hasUndecidedContacts =
1195                !axolotlService
1196                        .getKeysWithTrust(FingerprintStatus.createActiveUndecided(), targets)
1197                        .isEmpty();
1198        boolean hasPendingKeys = !axolotlService.findDevicesWithoutSession(conversation).isEmpty();
1199        boolean hasNoTrustedKeys = axolotlService.anyTargetHasNoTrustedKeys(targets);
1200        boolean downloadInProgress = axolotlService.hasPendingKeyFetches(targets);
1201        if (hasUndecidedOwn
1202                || hasUndecidedContacts
1203                || hasPendingKeys
1204                || hasNoTrustedKeys
1205                || hasUnaccepted
1206                || downloadInProgress) {
1207            axolotlService.createSessionsIfNeeded(conversation);
1208            Intent intent = new Intent(getActivity(), TrustKeysActivity.class);
1209            String[] contacts = new String[targets.size()];
1210            for (int i = 0; i < contacts.length; ++i) {
1211                contacts[i] = targets.get(i).toString();
1212            }
1213            intent.putExtra("contacts", contacts);
1214            intent.putExtra(
1215                    EXTRA_ACCOUNT, conversation.getAccount().getJid().asBareJid().toString());
1216            intent.putExtra("conversation", conversation.getUuid());
1217            startActivityForResult(intent, requestCode);
1218            return true;
1219        } else {
1220            return false;
1221        }
1222    }
1223
1224    public void updateChatMsgHint() {
1225        final boolean multi = conversation.getMode() == Conversation.MODE_MULTI;
1226        if (conversation.getCorrectingMessage() != null) {
1227            this.binding.textInputHint.setVisibility(View.GONE);
1228            this.binding.textinput.setHint(R.string.send_corrected_message);
1229            binding.conversationViewPager.setCurrentItem(0);
1230        } else if (multi && conversation.getNextCounterpart() != null) {
1231            this.binding.textinput.setHint(R.string.send_message);
1232            this.binding.textInputHint.setVisibility(View.VISIBLE);
1233            final MucOptions.User user = conversation.getMucOptions().findUserByName(conversation.getNextCounterpart().getResource());
1234            String nick = user == null ? null : user.getNick();
1235            if (nick == null) nick = conversation.getNextCounterpart().getResource();
1236            this.binding.textInputHint.setText(
1237                    getString(
1238                            R.string.send_private_message_to,
1239                            nick));
1240            binding.conversationViewPager.setCurrentItem(0);
1241        } else if (multi && !conversation.getMucOptions().participating()) {
1242            this.binding.textInputHint.setVisibility(View.GONE);
1243            this.binding.textinput.setHint(R.string.you_are_not_participating);
1244            this.binding.inputLayout.setBackgroundColor(android.R.color.transparent);
1245        } else {
1246            this.binding.textInputHint.setVisibility(View.GONE);
1247            if (activity == null) return;
1248            this.binding.textinput.setHint(UIHelper.getMessageHint(activity, conversation));
1249            this.binding.inputLayout.setBackground(activity.getDrawable(R.drawable.background_message_bubble));
1250            activity.invalidateOptionsMenu();
1251        }
1252
1253        binding.messagesView.post(this::updateThreadFromLastMessage);
1254    }
1255
1256    public void setupIme() {
1257        this.binding.textinput.refreshIme();
1258    }
1259
1260    private void handleActivityResult(ActivityResult activityResult) {
1261        if (activityResult.resultCode == Activity.RESULT_OK) {
1262            handlePositiveActivityResult(activityResult.requestCode, activityResult.data);
1263        } else {
1264            handleNegativeActivityResult(activityResult.requestCode);
1265        }
1266    }
1267
1268    private void handlePositiveActivityResult(int requestCode, final Intent data) {
1269        switch (requestCode) {
1270            case REQUEST_WEBXDC_STORE:
1271                mediaPreviewAdapter.addMediaPreviews(Attachment.of(activity, data.getData(), Attachment.Type.FILE));
1272                toggleInputMethod();
1273                break;
1274            case REQUEST_SAVE_STICKER:
1275                final DocumentFile df = DocumentFile.fromSingleUri(activity, data.getData());
1276                final File f = savingAsSticker;
1277                savingAsSticker = null;
1278                try {
1279                    activity.xmppConnectionService.getFileBackend().copyFileToDocumentFile(activity, f, df);
1280                    Toast.makeText(activity, "Sticker saved", Toast.LENGTH_SHORT).show();
1281                } catch (final FileBackend.FileCopyException e) {
1282                    Toast.makeText(activity, e.getResId(), Toast.LENGTH_SHORT).show();
1283                }
1284                break;
1285            case REQUEST_TRUST_KEYS_TEXT:
1286                sendMessage();
1287                break;
1288            case REQUEST_TRUST_KEYS_ATTACHMENTS:
1289                commitAttachments();
1290                break;
1291            case REQUEST_START_AUDIO_CALL:
1292                triggerRtpSession(RtpSessionActivity.ACTION_MAKE_VOICE_CALL);
1293                break;
1294            case REQUEST_START_VIDEO_CALL:
1295                triggerRtpSession(RtpSessionActivity.ACTION_MAKE_VIDEO_CALL);
1296                break;
1297            case ATTACHMENT_CHOICE_CHOOSE_IMAGE: {
1298                final Uri takePhotoUri = pendingTakePhotoUri.pop();
1299                if (takePhotoUri != null && (data == null || (data.getData() == null && data.getClipData() == null))) {
1300                    mediaPreviewAdapter.addMediaPreviews(
1301                            Attachment.of(getActivity(), takePhotoUri, Attachment.Type.IMAGE));
1302                }
1303                final List<Attachment> imageUris =
1304                        Attachment.extractAttachments(getActivity(), data, Attachment.Type.IMAGE);
1305                mediaPreviewAdapter.addMediaPreviews(imageUris);
1306                toggleInputMethod();
1307                break;
1308            }
1309            case ATTACHMENT_CHOICE_TAKE_PHOTO: {
1310                final Uri takePhotoUri = pendingTakePhotoUri.pop();
1311                if (takePhotoUri != null) {
1312                    mediaPreviewAdapter.addMediaPreviews(
1313                            Attachment.of(getActivity(), takePhotoUri, Attachment.Type.IMAGE));
1314                    toggleInputMethod();
1315                } else {
1316                    Log.d(Config.LOGTAG, "lost take photo uri. unable to to attach");
1317                }
1318                break;
1319            }
1320            case ATTACHMENT_CHOICE_CHOOSE_FILE:
1321            case ATTACHMENT_CHOICE_RECORD_VIDEO:
1322            case ATTACHMENT_CHOICE_RECORD_VOICE:
1323                final Attachment.Type type =
1324                        requestCode == ATTACHMENT_CHOICE_RECORD_VOICE
1325                                ? Attachment.Type.RECORDING
1326                                : Attachment.Type.FILE;
1327                final List<Attachment> fileUris =
1328                        Attachment.extractAttachments(getActivity(), data, type);
1329                mediaPreviewAdapter.addMediaPreviews(fileUris);
1330                toggleInputMethod();
1331                break;
1332            case ATTACHMENT_CHOICE_LOCATION:
1333                final double latitude = data.getDoubleExtra("latitude", 0);
1334                final double longitude = data.getDoubleExtra("longitude", 0);
1335                final int accuracy = data.getIntExtra("accuracy", 0);
1336                final Uri geo;
1337                if (accuracy > 0) {
1338                    geo = Uri.parse(String.format("geo:%s,%s;u=%s", latitude, longitude, accuracy));
1339                } else {
1340                    geo = Uri.parse(String.format("geo:%s,%s", latitude, longitude));
1341                }
1342                mediaPreviewAdapter.addMediaPreviews(
1343                        Attachment.of(getActivity(), geo, Attachment.Type.LOCATION));
1344                toggleInputMethod();
1345                break;
1346            case REQUEST_INVITE_TO_CONVERSATION:
1347                XmppActivity.ConferenceInvite invite = XmppActivity.ConferenceInvite.parse(data);
1348                if (invite != null) {
1349                    if (invite.execute(activity)) {
1350                        activity.mToast =
1351                                Toast.makeText(
1352                                        activity, R.string.creating_conference, Toast.LENGTH_LONG);
1353                        activity.mToast.show();
1354                    }
1355                }
1356                break;
1357        }
1358    }
1359
1360    private void commitAttachments() {
1361        final List<Attachment> attachments = mediaPreviewAdapter.getAttachments();
1362        if (anyNeedsExternalStoragePermission(attachments)
1363                && !hasPermissions(
1364                        REQUEST_COMMIT_ATTACHMENTS, Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
1365            return;
1366        }
1367        if (trustKeysIfNeeded(conversation, REQUEST_TRUST_KEYS_ATTACHMENTS)) {
1368            return;
1369        }
1370        final PresenceSelector.OnPresenceSelected callback =
1371                () -> {
1372                    final Iterator<Attachment> i = attachments.iterator();
1373                    final Runnable next = new Runnable() {
1374                        @Override
1375                        public void run() {
1376                            try {
1377                                if (!i.hasNext()) return;
1378                                final Attachment attachment = i.next();
1379                                if (attachment.getType() == Attachment.Type.LOCATION) {
1380                                        attachLocationToConversation(conversation, attachment.getUri());
1381                                    if (i.hasNext()) runOnUiThread(this);
1382                                } else if (attachment.getType() == Attachment.Type.IMAGE) {
1383                                    Log.d(
1384                                          Config.LOGTAG,
1385                                          "ConversationsActivity.commitAttachments() - attaching image to conversations. CHOOSE_IMAGE");
1386                                    attachImageToConversation(conversation, attachment.getUri(), attachment.getMime(), this);
1387                                } else {
1388                                    Log.d(
1389                                          Config.LOGTAG,
1390                                          "ConversationsActivity.commitAttachments() - attaching file to conversations. CHOOSE_FILE/RECORD_VOICE/RECORD_VIDEO");
1391                                    attachFileToConversation(conversation, attachment.getUri(), attachment.getMime(), this);
1392                                }
1393                                i.remove();
1394                                if (!i.hasNext()) messageSent();
1395                            } catch (final java.util.ConcurrentModificationException e) {
1396                                // Abort, leave any unsent attachments alone for the user to try again
1397                                Toast.makeText(activity, "Sometimes went wrong with some attachments. Try again?", Toast.LENGTH_SHORT).show();
1398                            }
1399                            mediaPreviewAdapter.notifyDataSetChanged();
1400                            toggleInputMethod();
1401                        }
1402                    };
1403                    next.run();
1404                };
1405        if (conversation == null
1406                || conversation.getMode() == Conversation.MODE_MULTI
1407                || Attachment.canBeSendInBand(attachments)
1408                || (conversation.getAccount().httpUploadAvailable()
1409                        && FileBackend.allFilesUnderSize(
1410                                getActivity(), attachments, getMaxHttpUploadSize(conversation)))) {
1411            callback.onPresenceSelected();
1412        } else {
1413            activity.selectPresence(conversation, callback);
1414        }
1415    }
1416
1417    private static boolean anyNeedsExternalStoragePermission(
1418            final Collection<Attachment> attachments) {
1419        for (final Attachment attachment : attachments) {
1420            if (attachment.getType() != Attachment.Type.LOCATION) {
1421                return true;
1422            }
1423        }
1424        return false;
1425    }
1426
1427    public void toggleInputMethod() {
1428        boolean hasAttachments = mediaPreviewAdapter.hasAttachments();
1429        binding.textinput.setVisibility(hasAttachments ? View.GONE : View.VISIBLE);
1430        binding.mediaPreview.setVisibility(hasAttachments ? View.VISIBLE : View.GONE);
1431        updateSendButton();
1432    }
1433
1434    private void handleNegativeActivityResult(int requestCode) {
1435        switch (requestCode) {
1436            case ATTACHMENT_CHOICE_TAKE_PHOTO:
1437                if (pendingTakePhotoUri.clear()) {
1438                    Log.d(
1439                            Config.LOGTAG,
1440                            "cleared pending photo uri after negative activity result");
1441                }
1442                break;
1443        }
1444    }
1445
1446    @Override
1447    public void onActivityResult(int requestCode, int resultCode, final Intent data) {
1448        super.onActivityResult(requestCode, resultCode, data);
1449        ActivityResult activityResult = ActivityResult.of(requestCode, resultCode, data);
1450        if (activity != null && activity.xmppConnectionService != null) {
1451            handleActivityResult(activityResult);
1452        } else {
1453            this.postponedActivityResult.push(activityResult);
1454        }
1455    }
1456
1457    public void unblockConversation(final Blockable conversation) {
1458        activity.xmppConnectionService.sendUnblockRequest(conversation);
1459    }
1460
1461    @Override
1462    public void onAttach(Activity activity) {
1463        super.onAttach(activity);
1464        Log.d(Config.LOGTAG, "ConversationFragment.onAttach()");
1465        if (activity instanceof ConversationsActivity) {
1466            this.activity = (ConversationsActivity) activity;
1467        } else {
1468            throw new IllegalStateException(
1469                    "Trying to attach fragment to activity that is not the ConversationsActivity");
1470        }
1471    }
1472
1473    @Override
1474    public void onDetach() {
1475        super.onDetach();
1476        this.activity = null; // TODO maybe not a good idea since some callbacks really need it
1477    }
1478
1479    @Override
1480    public void onCreate(Bundle savedInstanceState) {
1481        super.onCreate(savedInstanceState);
1482        setHasOptionsMenu(true);
1483        activity.getOnBackPressedDispatcher().addCallback(this, backPressedLeaveSingleThread);
1484        // On wide-screen devices, `secondary_fragment` is initialized to an empty `ConversationFragment`
1485        final var conversation = this.conversation;
1486        if (savedInstanceState == null && conversation != null) {
1487            conversation.jumpToLatest();
1488        }
1489    }
1490
1491    @Override
1492    public void onCreateOptionsMenu(Menu menu, MenuInflater menuInflater) {
1493        if (activity != null && activity.xmppConnectionService != null && activity.xmppConnectionService.isOnboarding()) return;
1494
1495        menuInflater.inflate(R.menu.fragment_conversation, menu);
1496        final MenuItem menuMucDetails = menu.findItem(R.id.action_muc_details);
1497        final MenuItem menuContactDetails = menu.findItem(R.id.action_contact_details);
1498        final MenuItem menuInviteContact = menu.findItem(R.id.action_invite);
1499        final MenuItem menuMute = menu.findItem(R.id.action_mute);
1500        final MenuItem menuUnmute = menu.findItem(R.id.action_unmute);
1501        final MenuItem menuCall = menu.findItem(R.id.action_call);
1502        final MenuItem menuOngoingCall = menu.findItem(R.id.action_ongoing_call);
1503        final MenuItem menuVideoCall = menu.findItem(R.id.action_video_call);
1504        final MenuItem menuTogglePinned = menu.findItem(R.id.action_toggle_pinned);
1505        final MenuItem menuArchiveChat = menu.findItem(R.id.action_archive);
1506
1507        if (conversation != null) {
1508            if (conversation.getMode() == Conversation.MODE_MULTI) {
1509                menuContactDetails.setVisible(false);
1510                menuInviteContact.setVisible(conversation.getMucOptions().canInvite());
1511                menuMucDetails.setTitle(
1512                        conversation.getMucOptions().isPrivateAndNonAnonymous()
1513                                ? R.string.action_muc_details
1514                                : R.string.channel_details);
1515                menuCall.setVisible(false);
1516                menuOngoingCall.setVisible(false);
1517                menuArchiveChat.setTitle("Leave " + (conversation.getMucOptions().isPrivateAndNonAnonymous() ? "group chat" : "Channel"));
1518            } else {
1519                final XmppConnectionService service =
1520                        activity == null ? null : activity.xmppConnectionService;
1521                final Optional<OngoingRtpSession> ongoingRtpSession =
1522                        service == null
1523                                ? Optional.absent()
1524                                : service.getJingleConnectionManager()
1525                                        .getOngoingRtpConnection(conversation.getContact());
1526                if (ongoingRtpSession.isPresent()) {
1527                    menuOngoingCall.setVisible(true);
1528                    menuCall.setVisible(false);
1529                } else {
1530                    menuOngoingCall.setVisible(false);
1531                    final RtpCapability.Capability rtpCapability =
1532                            RtpCapability.check(conversation.getContact());
1533                    final boolean cameraAvailable =
1534                            activity != null && activity.isCameraFeatureAvailable();
1535                    menuCall.setVisible(true);
1536                    menuVideoCall.setVisible(rtpCapability != RtpCapability.Capability.AUDIO && cameraAvailable);
1537                }
1538                menuContactDetails.setVisible(!this.conversation.withSelf());
1539                menuMucDetails.setVisible(false);
1540                final var connection = this.conversation.getAccount().getXmppConnection();
1541                menuInviteContact.setVisible(
1542                        !connection.getManager(MultiUserChatManager.class).getServices().isEmpty());
1543            }
1544            if (conversation.isMuted()) {
1545                menuMute.setVisible(false);
1546            } else {
1547                menuUnmute.setVisible(false);
1548            }
1549            ConversationMenuConfigurator.configureAttachmentMenu(conversation, menu, TextUtils.isEmpty(binding.textinput.getText()));
1550            ConversationMenuConfigurator.configureEncryptionMenu(conversation, menu);
1551            if (conversation.getBooleanAttribute(Conversation.ATTRIBUTE_PINNED_ON_TOP, false)) {
1552                menuTogglePinned.setTitle(R.string.remove_from_favorites);
1553            } else {
1554                menuTogglePinned.setTitle(R.string.add_to_favorites);
1555            }
1556        }
1557        super.onCreateOptionsMenu(menu, menuInflater);
1558    }
1559
1560    @Override
1561    public View onCreateView(
1562            final LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
1563        this.binding =
1564                DataBindingUtil.inflate(inflater, R.layout.fragment_conversation, container, false);
1565        binding.getRoot().setOnClickListener(null); // TODO why the fuck did we do this?
1566
1567        binding.textinput.setOnEditorActionListener(mEditorActionListener);
1568        binding.textinput.setRichContentListener(new String[] {"image/*"}, mEditorContentListener);
1569        DisplayMetrics displayMetrics = new DisplayMetrics();
1570        activity.getWindowManager().getDefaultDisplay().getMetrics(displayMetrics);
1571        if (displayMetrics.heightPixels > 0) binding.textinput.setMaxHeight(displayMetrics.heightPixels / 4);
1572
1573        binding.textSendButton.setOnClickListener(this.mSendButtonListener);
1574        binding.contextPreviewCancel.setOnClickListener((v) -> {
1575            setThread(null);
1576            conversation.setUserSelectedThread(false);
1577            setupReply(null);
1578        });
1579        binding.requestVoice.setOnClickListener((v) -> {
1580            activity.xmppConnectionService.requestVoice(conversation.getAccount(), conversation.getJid());
1581            binding.requestVoice.setVisibility(View.GONE);
1582            Toast.makeText(activity, "Your request has been sent to the moderators", Toast.LENGTH_SHORT).show();
1583        });
1584
1585        binding.scrollToBottomButton.setOnClickListener(this.mScrollButtonListener);
1586        binding.messagesView.setOnScrollListener(mOnScrollListener);
1587        binding.messagesView.setTranscriptMode(ListView.TRANSCRIPT_MODE_NORMAL);
1588        mediaPreviewAdapter = new MediaPreviewAdapter(this);
1589        binding.mediaPreview.setAdapter(mediaPreviewAdapter);
1590        messageListAdapter = new MessageAdapter((XmppActivity) getActivity(), this.messageList);
1591        messageListAdapter.setOnContactPictureClicked(this);
1592        messageListAdapter.setOnContactPictureLongClicked(this);
1593        messageListAdapter.setOnInlineImageLongClicked(this);
1594        messageListAdapter.setConversationFragment(this);
1595        binding.messagesView.setAdapter(messageListAdapter);
1596
1597        binding.textinput.addTextChangedListener(
1598                new StylingHelper.MessageEditorStyler(binding.textinput, messageListAdapter));
1599
1600        registerForContextMenu(binding.messagesView);
1601        registerForContextMenu(binding.textSendButton);
1602
1603        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
1604            this.binding.textinput.setCustomInsertionActionModeCallback(
1605                    new EditMessageActionModeCallback(this.binding.textinput));
1606            this.binding.textinput.setCustomSelectionActionModeCallback(
1607                    new EditMessageSelectionActionModeCallback(this.binding.textinput));
1608        }
1609
1610        messageListAdapter.setOnMessageBoxClicked(message -> {
1611            if (message.isPrivateMessage()) privateMessageWith(message.getCounterpart());
1612            setThread(message.getThread());
1613            conversation.setUserSelectedThread(true);
1614        });
1615
1616        messageListAdapter.setOnMessageBoxSwiped(message -> {
1617            quoteMessage(message);
1618        });
1619
1620        binding.threadIdenticonLayout.setOnClickListener(v -> {
1621            boolean wasLocked = conversation.getLockThread();
1622            conversation.setLockThread(false);
1623            backPressedLeaveSingleThread.setEnabled(false);
1624            if (wasLocked) {
1625                setThread(null);
1626                conversation.setUserSelectedThread(false);
1627                refresh();
1628                updateThreadFromLastMessage();
1629            } else {
1630                newThread();
1631                conversation.setUserSelectedThread(true);
1632                newThreadTutorialToast("Switched to new thread");
1633            }
1634        });
1635
1636        binding.threadIdenticonLayout.setOnLongClickListener(v -> {
1637            boolean wasLocked = conversation.getLockThread();
1638            conversation.setLockThread(false);
1639            backPressedLeaveSingleThread.setEnabled(false);
1640            setThread(null);
1641            conversation.setUserSelectedThread(true);
1642            if (wasLocked) refresh();
1643            newThreadTutorialToast("Cleared thread");
1644            return true;
1645        });
1646
1647        Autocomplete.<MucOptions.User>on(binding.textinput)
1648            .with(activity.getDrawable(R.drawable.background_message_bubble))
1649            .with(new CharPolicy('@'))
1650            .with(new RecyclerViewPresenter<MucOptions.User>(activity) {
1651                protected UserAdapter adapter;
1652
1653                @Override
1654                protected Adapter instantiateAdapter() {
1655                    adapter = new UserAdapter(false) {
1656                        @Override
1657                        public void onBindViewHolder(UserAdapter.ViewHolder viewHolder, int position) {
1658                            super.onBindViewHolder(viewHolder, position);
1659                            final var item = getItem(position);
1660                            viewHolder.binding.getRoot().setOnClickListener(v -> {
1661                                dispatchClick(item);
1662                            });
1663                        }
1664                    };
1665                    return adapter;
1666                }
1667
1668                @Override
1669                protected void onQuery(@Nullable CharSequence query) {
1670                    if (!activity.xmppConnectionService.getBooleanPreference("message_autocomplete", R.bool.message_autocomplete)) return;
1671
1672                    final var allUsers = conversation.getMucOptions().getUsers();
1673                    if (!conversation.getMucOptions().getUsersByRole(Role.MODERATOR).isEmpty()) {
1674                        final var u = new MucOptions.User(conversation.getMucOptions(), null, "\0role:moderator", "Notify active moderators", new HashSet<>());
1675                        u.setRole(Role.PARTICIPANT);
1676                        allUsers.add(u);
1677                    }
1678                    if (!allUsers.isEmpty() && conversation.getMucOptions().getSelf() != null && conversation.getMucOptions().getSelf().ranks(Affiliation.MEMBER)) {
1679                        final var u = new MucOptions.User(conversation.getMucOptions(), null, "\0attention", "Notify active participants", new HashSet<>());
1680                        u.setRole(Role.PARTICIPANT);
1681                        allUsers.add(u);
1682                    }
1683                    final String needle = query.toString().toLowerCase(Locale.getDefault());
1684                    if (getRecyclerView() != null) getRecyclerView().setItemAnimator(null);
1685                    adapter.submitList(
1686                        Ordering.natural().immutableSortedCopy(Collections2.filter(
1687                            allUsers,
1688                            user -> {
1689                                if ("mods".contains(needle) && "\0role:moderator".equals(user.getOccupantId())) return true;
1690                                if ("here".contains(needle) && "\0attention".equals(user.getOccupantId())) return true;
1691                                final String name = user.getNick();
1692                                if (name == null) return false;
1693                                for (final var hat : user.getHats()) {
1694                                    if (hat.toString().toLowerCase(Locale.getDefault()).contains(needle)) return true;
1695                                }
1696                                for (final var hat : user.getPseudoHats(activity)) {
1697                                    if (hat.toString().toLowerCase(Locale.getDefault()).contains(needle)) return true;
1698                                }
1699                                final Contact contact = user.getContact();
1700                                return name.toLowerCase(Locale.getDefault()).contains(needle)
1701                                    || contact != null
1702                                    && contact.getDisplayName().toLowerCase(Locale.getDefault()).contains(needle);
1703                            })));
1704                }
1705
1706                @Override
1707                protected AutocompletePresenter.PopupDimensions getPopupDimensions() {
1708                    final var dim = new AutocompletePresenter.PopupDimensions();
1709                    dim.width = displayMetrics.widthPixels * 4/5;
1710                    return dim;
1711                }
1712            })
1713            .with(new AutocompleteCallback<MucOptions.User>() {
1714                @Override
1715                public boolean onPopupItemClicked(Editable editable, MucOptions.User user) {
1716                    int[] range = com.otaliastudios.autocomplete.CharPolicy.getQueryRange(editable);
1717                    if (range == null) return false;
1718                    range[0] -= 1;
1719                    if ("\0attention".equals(user.getOccupantId())) {
1720                        editable.delete(Math.max(0, range[0]), Math.min(editable.length(), range[1]));
1721                        editable.insert(0, "@here ");
1722                        return true;
1723                    }
1724                    int colon = editable.toString().indexOf(':');
1725                    final var beforeColon = range[0] < colon;
1726                    String prefix = "";
1727                    String suffix = " ";
1728                    if (beforeColon) suffix = ", ";
1729                    if (colon < 0 && range[0] == 0) suffix = ": ";
1730                    if (colon > 0 && colon == range[0] - 2) {
1731                        prefix = ", ";
1732                        suffix = ": ";
1733                        range[0] -= 2;
1734                    }
1735                    var insert = user.getNick();
1736                    if ("\0role:moderator".equals(user.getOccupantId())) {
1737                        insert = conversation.getMucOptions().getUsersByRole(Role.MODERATOR).stream().map(MucOptions.User::getNick).collect(Collectors.joining(", "));
1738                    }
1739                    editable.replace(Math.max(0, range[0]), Math.min(editable.length(), range[1]), prefix + insert + suffix);
1740                    return true;
1741                }
1742
1743                @Override
1744                public void onPopupVisibilityChanged(boolean shown) {}
1745            }).build();
1746
1747        Handler emojiDebounce = new Handler(Looper.getMainLooper());
1748        setupEmojiSearch();
1749        Autocomplete.<EmojiSearch.Emoji>on(binding.textinput)
1750            .with(activity.getDrawable(R.drawable.background_message_bubble))
1751            .with(new CharPolicy(':'))
1752            .with(new RecyclerViewPresenter<EmojiSearch.Emoji>(activity) {
1753                protected EmojiSearch.EmojiSearchAdapter adapter;
1754
1755                @Override
1756                protected Adapter instantiateAdapter() {
1757                    setupEmojiSearch();
1758                    adapter = emojiSearch.makeAdapter(item -> dispatchClick(item));
1759                    return adapter;
1760                }
1761
1762                @Override
1763                protected void onViewHidden() {
1764                    if (getRecyclerView() == null) return;
1765                    super.onViewHidden();
1766                }
1767
1768                @Override
1769                protected void onQuery(@Nullable CharSequence query) {
1770                    if (!activity.xmppConnectionService.getBooleanPreference("message_autocomplete", R.bool.message_autocomplete)) return;
1771
1772                    emojiDebounce.removeCallbacksAndMessages(null);
1773                    emojiDebounce.postDelayed(() -> {
1774                        if (getRecyclerView() == null) return;
1775                        getRecyclerView().setItemAnimator(null);
1776                        adapter.search(activity, getRecyclerView(), query.toString());
1777                    }, 100L);
1778                }
1779            })
1780            .with(new AutocompleteCallback<EmojiSearch.Emoji>() {
1781                @Override
1782                public boolean onPopupItemClicked(Editable editable, EmojiSearch.Emoji emoji) {
1783                    int[] range = com.otaliastudios.autocomplete.CharPolicy.getQueryRange(editable);
1784                    if (range == null) return false;
1785                    range[0] -= 1;
1786                    final var toInsert = emoji.toInsert();
1787                    toInsert.append(" ");
1788                    editable.replace(Math.max(0, range[0]), Math.min(editable.length(), range[1]), toInsert);
1789                    return true;
1790                }
1791
1792                @Override
1793                public void onPopupVisibilityChanged(boolean shown) {}
1794            }).build();
1795
1796        return binding.getRoot();
1797    }
1798
1799    protected void setupEmojiSearch() {
1800        if (activity != null && activity.xmppConnectionService != null) {
1801            if (emojiSearch == null) {
1802                emojiSearch = activity.xmppConnectionService.emojiSearch();
1803            }
1804        }
1805    }
1806
1807    protected void newThreadTutorialToast(String s) {
1808        if (activity == null) return;
1809        final SharedPreferences p = PreferenceManager.getDefaultSharedPreferences(activity);
1810        final int tutorialCount = p.getInt("thread_tutorial", 0);
1811        if (tutorialCount < 5) {
1812            Toast.makeText(activity, s, Toast.LENGTH_SHORT).show();
1813            p.edit().putInt("thread_tutorial", tutorialCount + 1).apply();
1814        }
1815    }
1816
1817    @Override
1818    public void onDestroyView() {
1819        super.onDestroyView();
1820        Log.d(Config.LOGTAG, "ConversationFragment.onDestroyView()");
1821        extensions.clear();
1822        messageListAdapter.setOnContactPictureClicked(null);
1823        messageListAdapter.setOnContactPictureLongClicked(null);
1824        messageListAdapter.setOnInlineImageLongClicked(null);
1825        messageListAdapter.setConversationFragment(null);
1826        messageListAdapter.setOnMessageBoxClicked(null);
1827        messageListAdapter.setOnMessageBoxSwiped(null);
1828        binding.conversationViewPager.setAdapter(null);
1829        if (conversation != null) conversation.setupViewPager(null, null, false, null);
1830    }
1831
1832    public void quoteText(String text) {
1833        if (binding.textinput.isEnabled()) {
1834            binding.textinput.insertAsQuote(text);
1835            binding.textinput.requestFocus();
1836            InputMethodManager inputMethodManager =
1837                    (InputMethodManager)
1838                            getActivity().getSystemService(Context.INPUT_METHOD_SERVICE);
1839            if (inputMethodManager != null) {
1840                inputMethodManager.showSoftInput(
1841                        binding.textinput, InputMethodManager.SHOW_IMPLICIT);
1842            }
1843        }
1844    }
1845
1846    private void quoteMessage(Message message) {
1847        if (message.isPrivateMessage()) privateMessageWith(message.getCounterpart());
1848        setThread(message.getThread());
1849        conversation.setUserSelectedThread(true);
1850        if (!forkNullThread(message)) newThread();
1851        setupReply(message);
1852    }
1853
1854    private boolean forkNullThread(Message message) {
1855        if (message.getThread() != null || conversation.getMode() != Conversation.MODE_MULTI) return true;
1856        for (final Message m : conversation.findReplies(message.getServerMsgId())) {
1857            final Element thread = m.getThread();
1858            if (thread != null) {
1859                setThread(thread);
1860                return true;
1861            }
1862        }
1863
1864        return false;
1865    }
1866
1867    private void setupReply(Message message) {
1868        if (message != null) {
1869            final var correcting = conversation.getCorrectingMessage();
1870            if (correcting != null && correcting.getUuid().equals(message.getUuid())) return;
1871        }
1872        conversation.setReplyTo(message);
1873        if (message == null) {
1874            binding.contextPreview.setVisibility(View.GONE);
1875            binding.textsend.setBackgroundResource(R.drawable.textsend);
1876            return;
1877        }
1878
1879        var body = message.getSpannableBody(null, null);
1880        if (message.isFileOrImage() || message.isOOb()) body.append(" 🖼️");
1881        messageListAdapter.handleTextQuotes(binding.contextPreviewText, body);
1882        binding.contextPreviewText.setText(body);
1883        binding.contextPreview.setVisibility(View.VISIBLE);
1884    }
1885
1886    private void setThread(Element thread) {
1887        this.conversation.setThread(thread);
1888        binding.threadIdenticon.setAlpha(0f);
1889        binding.threadIdenticonLock.setVisibility(this.conversation.getLockThread() ? View.VISIBLE : View.GONE);
1890        if (thread != null) {
1891            final String threadId = thread.getContent();
1892            if (threadId != null) {
1893                binding.threadIdenticon.setAlpha(1f);
1894                binding.threadIdenticon.setColor(UIHelper.getColorForName(threadId));
1895                binding.threadIdenticon.setHash(UIHelper.identiconHash(threadId));
1896            }
1897        }
1898        updateSendButton();
1899    }
1900
1901
1902    private void highlightMessage(String uuid) {
1903        binding.messagesView.postDelayed(() -> {
1904            int actualIndex = getIndexOfExtended(uuid, messageList);
1905
1906            if (actualIndex == -1) {
1907                return;
1908            }
1909
1910            View view = ListViewUtils.getViewByPosition(actualIndex, binding.messagesView);
1911            View messageBox = view.findViewById(R.id.message_box);
1912            if (messageBox != null) {
1913                messageBox.animate()
1914                        .scaleX(1.14f)
1915                        .scaleY(1.14f)
1916                        .setInterpolator(new CycleInterpolator(0.5f))
1917                        .setDuration(400L)
1918                        .start();
1919            }
1920        }, 300L);
1921    }
1922
1923    private void updateSelection(String uuid, Integer offsetFormTop, Runnable selectionUpdatedRunnable, boolean populateFromMam, boolean recursiveFetch) {
1924        if (recursiveFetch && (fetchHistoryDialog == null || !fetchHistoryDialog.isShowing())) return;
1925
1926        int pos = getIndexOfExtended(uuid, messageList);
1927
1928        Runnable updateSelectionRunnable = () -> {
1929            FragmentConversationBinding binding = ConversationFragment.this.binding;
1930
1931            Runnable performRunnable = () -> {
1932                if (offsetFormTop != null) {
1933                    binding.messagesView.setSelectionFromTop(pos, offsetFormTop);
1934                    return;
1935                }
1936
1937                binding.messagesView.setSelection(pos);
1938            };
1939
1940            performRunnable.run();
1941            binding.messagesView.post(performRunnable);
1942
1943            if (selectionUpdatedRunnable != null) {
1944                selectionUpdatedRunnable.run();
1945            }
1946        };
1947
1948        if (pos != -1) {
1949            hideFetchHistoryDialog();
1950            updateSelectionRunnable.run();
1951        } else {
1952            activity.xmppConnectionService.jumpToMessage(conversation, uuid, new XmppConnectionService.JumpToMessageListener() {
1953                @Override
1954                public void onSuccess() {
1955                    activity.runOnUiThread(() -> {
1956                        refresh(false);
1957                        conversation.messagesLoaded.set(true);
1958                        conversation.historyPartLoadedForward.set(true);
1959                        toggleScrollDownButton();
1960                        updateSelection(uuid, binding.messagesView.getHeight() / 2, selectionUpdatedRunnable, populateFromMam, false);
1961                    });
1962                }
1963
1964                @Override
1965                public void onNotFound() {
1966                    activity.runOnUiThread(() -> {
1967                        if (populateFromMam && conversation.hasMessagesLeftOnServer()) {
1968                            showFetchHistoryDialog();
1969                            loadMoreMessages(true, false, binding.messagesView);
1970                            binding.messagesView.postDelayed(() -> updateSelection(uuid, binding.messagesView.getHeight() / 2, selectionUpdatedRunnable, populateFromMam, true), 500L);
1971                        } else {
1972                            hideFetchHistoryDialog();
1973                        }
1974                    });
1975                }
1976            });
1977        }
1978    }
1979
1980    private void showFetchHistoryDialog() {
1981        if (fetchHistoryDialog != null && fetchHistoryDialog.isShowing()) return;
1982
1983        fetchHistoryDialog = new ProgressDialog(getActivity());
1984        fetchHistoryDialog.setIndeterminate(true);
1985        fetchHistoryDialog.setMessage(getString(R.string.please_wait));
1986        fetchHistoryDialog.setCancelable(true);
1987        fetchHistoryDialog.show();
1988    }
1989
1990    private void hideFetchHistoryDialog() {
1991        if (fetchHistoryDialog != null && fetchHistoryDialog.isShowing()) {
1992            fetchHistoryDialog.hide();
1993        }
1994    }
1995
1996    @Override
1997    public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
1998        // This should cancel any remaining click events that would otherwise trigger links
1999        v.dispatchTouchEvent(MotionEvent.obtain(0, 0, MotionEvent.ACTION_CANCEL, 0f, 0f, 0));
2000
2001        if (v == binding.textSendButton) {
2002            super.onCreateContextMenu(menu, v, menuInfo);
2003            try {
2004                java.lang.reflect.Method m = menu.getClass().getSuperclass().getDeclaredMethod("setOptionalIconsVisible", Boolean.TYPE);
2005                m.setAccessible(true);
2006                m.invoke(menu, true);
2007            } catch (Exception e) {
2008                e.printStackTrace();
2009            }
2010            Menu tmpMenu = new PopupMenu(activity, null).getMenu();
2011            activity.getMenuInflater().inflate(R.menu.fragment_conversation, tmpMenu);
2012            MenuItem attachMenu = tmpMenu.findItem(R.id.action_attach_file);
2013            for (int i = 0; i < attachMenu.getSubMenu().size(); i++) {
2014                MenuItem item = attachMenu.getSubMenu().getItem(i);
2015                MenuItem newItem = menu.add(item.getGroupId(), item.getItemId(), item.getOrder(), item.getTitle());
2016                newItem.setIcon(item.getIcon());
2017            }
2018
2019            extensions.clear();
2020            final var xmppConnectionService = activity.xmppConnectionService;
2021            final var dir = new File(xmppConnectionService.getExternalFilesDir(null), "extensions");
2022            for (File file : Files.fileTraverser().breadthFirst(dir)) {
2023                if (file.isFile() && file.canRead()) {
2024                    final var xdc = new WebxdcPage(activity, file, createExtensionSourceMessage(file));
2025                    try {
2026                        extensions.add(file);
2027                        final var item = menu.add(0x1, extensions.size() - 1, 0, xdc.getName());
2028                        item.setIcon(xdc.getIcon(24));
2029                    } finally {
2030                        xdc.close();
2031                    }
2032                }
2033            }
2034            ConversationMenuConfigurator.configureAttachmentMenu(conversation, menu, TextUtils.isEmpty(binding.textinput.getText()));
2035            return;
2036        }
2037
2038        synchronized (this.messageList) {
2039            super.onCreateContextMenu(menu, v, menuInfo);
2040            AdapterView.AdapterContextMenuInfo acmi = (AdapterContextMenuInfo) menuInfo;
2041            this.selectedMessage = this.messageList.get(acmi.position);
2042            populateContextMenu(menu);
2043        }
2044    }
2045
2046    private void populateContextMenu(final ContextMenu menu) {
2047        final Message m = this.selectedMessage;
2048        final Transferable t = m.getTransferable();
2049        if (m.getType() != Message.TYPE_STATUS && m.getType() != Message.TYPE_RTP_SESSION) {
2050
2051            if (m.getEncryption() == Message.ENCRYPTION_AXOLOTL_NOT_FOR_THIS_DEVICE
2052                    || m.getEncryption() == Message.ENCRYPTION_AXOLOTL_FAILED) {
2053                return;
2054            }
2055
2056            if (m.getStatus() == Message.STATUS_RECEIVED
2057                    && t != null
2058                    && (t.getStatus() == Transferable.STATUS_CANCELLED
2059                            || t.getStatus() == Transferable.STATUS_FAILED)) {
2060                return;
2061            }
2062
2063            final boolean deleted = m.isDeleted();
2064            final boolean encrypted =
2065                    m.getEncryption() == Message.ENCRYPTION_DECRYPTION_FAILED
2066                            || m.getEncryption() == Message.ENCRYPTION_PGP;
2067            final boolean receiving =
2068                    m.getStatus() == Message.STATUS_RECEIVED
2069                            && (t instanceof JingleFileTransferConnection
2070                                    || t instanceof HttpDownloadConnection);
2071            activity.getMenuInflater().inflate(R.menu.message_context, menu);
2072            final MenuItem reportAndBlock = menu.findItem(R.id.action_report_and_block);
2073            final MenuItem addReaction = menu.findItem(R.id.action_add_reaction);
2074            final MenuItem openWith = menu.findItem(R.id.open_with);
2075            final MenuItem copyMessage = menu.findItem(R.id.copy_message);
2076            final MenuItem quoteMessage = menu.findItem(R.id.quote_message);
2077            final MenuItem retryDecryption = menu.findItem(R.id.retry_decryption);
2078            final MenuItem correctMessage = menu.findItem(R.id.correct_message);
2079            final MenuItem retractMessage = menu.findItem(R.id.retract_message);
2080            final MenuItem moderateMessage = menu.findItem(R.id.moderate_message);
2081            final MenuItem onlyThisThread = menu.findItem(R.id.only_this_thread);
2082            final MenuItem shareWith = menu.findItem(R.id.share_with);
2083            final MenuItem sendAgain = menu.findItem(R.id.send_again);
2084            final MenuItem retryAsP2P = menu.findItem(R.id.send_again_as_p2p);
2085            final MenuItem copyUrl = menu.findItem(R.id.copy_url);
2086            final MenuItem copyLink = menu.findItem(R.id.copy_link);
2087            final MenuItem saveAsSticker = menu.findItem(R.id.save_as_sticker);
2088            final MenuItem downloadFile = menu.findItem(R.id.download_file);
2089            final MenuItem cancelTransmission = menu.findItem(R.id.cancel_transmission);
2090            final MenuItem blockMedia = menu.findItem(R.id.block_media);
2091            final MenuItem deleteFile = menu.findItem(R.id.delete_file);
2092            final MenuItem showErrorMessage = menu.findItem(R.id.show_error_message);
2093            onlyThisThread.setVisible(!conversation.getLockThread() && m.getThread() != null);
2094            final boolean unInitiatedButKnownSize = MessageUtils.unInitiatedButKnownSize(m);
2095            final boolean showError =
2096                    m.getStatus() == Message.STATUS_SEND_FAILED
2097                            && m.getErrorMessage() != null
2098                            && !Message.ERROR_MESSAGE_CANCELLED.equals(m.getErrorMessage());
2099            final Conversational conversational = m.getConversation();
2100            final var connection = conversational.getAccount().getXmppConnection();
2101            if (m.getStatus() == Message.STATUS_RECEIVED
2102                    && conversational instanceof Conversation c) {
2103                if (c.isWithStranger()
2104                        && m.getServerMsgId() != null
2105                        && !c.isBlocked()
2106                        && connection != null
2107                        && connection.getFeatures().spamReporting()) {
2108                    reportAndBlock.setVisible(true);
2109                }
2110            }
2111            if (conversational instanceof Conversation c) {
2112                addReaction.setVisible(
2113                        m.getStatus() != Message.STATUS_SEND_FAILED
2114                                && !m.isDeleted()
2115                                && !m.isPrivateMessage()
2116                                && (c.getMode() == Conversational.MODE_SINGLE
2117                                        || (c.getMucOptions().occupantId()
2118                                                && c.getMucOptions().participating())));
2119            } else {
2120                addReaction.setVisible(false);
2121            }
2122            if (!m.isFileOrImage()
2123                    && !encrypted
2124                    && !m.isGeoUri()
2125                    && !m.treatAsDownloadable()
2126                    && !unInitiatedButKnownSize
2127                    && t == null) {
2128                copyMessage.setVisible(true);
2129                quoteMessage.setVisible(!showError && !MessageUtils.prepareQuote(m).isEmpty());
2130                final var firstUri = Iterables.getFirst(Linkify.getLinks(m.getBody()), null);
2131                if (firstUri != null) {
2132                    final var scheme = firstUri.getScheme();
2133                    final @StringRes int resForScheme =
2134                            switch (scheme) {
2135                                case "xmpp" -> R.string.copy_jabber_id;
2136                                case "http", "https", "gemini" -> R.string.copy_link;
2137                                case "geo" -> R.string.copy_geo_uri;
2138                                case "tel" -> R.string.copy_telephone_number;
2139                                case "mailto" -> R.string.copy_email_address;
2140                                default -> R.string.copy_URI;
2141                            };
2142                    copyLink.setTitle(resForScheme);
2143                    copyLink.setVisible(true);
2144                } else {
2145                    copyLink.setVisible(false);
2146                }
2147            }
2148            quoteMessage.setVisible(!encrypted && !showError);
2149            if (m.getEncryption() == Message.ENCRYPTION_DECRYPTION_FAILED && !deleted) {
2150                retryDecryption.setVisible(true);
2151            }
2152            if (!showError
2153                    && m.getType() == Message.TYPE_TEXT
2154                    && m.isEditable()
2155                    && !m.isGeoUri()
2156                    && m.getConversation() instanceof Conversation) {
2157                correctMessage.setVisible(true);
2158                if (!m.getBody().equals("") && !m.getBody().equals(" ")) retractMessage.setVisible(true);
2159            }
2160            if (m.getStatus() == Message.STATUS_WAITING) {
2161                correctMessage.setVisible(true);
2162                retractMessage.setVisible(true);
2163            }
2164            if (conversation.getMode() == Conversation.MODE_MULTI && m.getServerMsgId() != null && m.getModerated() == null && conversation.getMucOptions().getSelf().ranks(Role.MODERATOR) && conversation.getMucOptions().hasFeature("urn:xmpp:message-moderate:0")) {
2165                moderateMessage.setVisible(true);
2166            }
2167            if ((m.isFileOrImage() && !deleted && !receiving)
2168                    || (m.getType() == Message.TYPE_TEXT && !m.treatAsDownloadable())
2169                            && !unInitiatedButKnownSize
2170                            && t == null) {
2171                shareWith.setVisible(true);
2172            }
2173            if (m.getStatus() == Message.STATUS_SEND_FAILED) {
2174                sendAgain.setVisible(true);
2175                final var httpUploadAvailable =
2176                        connection != null
2177                                && Objects.nonNull(
2178                                        connection
2179                                                .getManager(HttpUploadManager.class)
2180                                                .getService());
2181                final var fileNotUploaded = m.isFileOrImage() && !m.hasFileOnRemoteHost();
2182                final var isPeerOnline =
2183                        conversational.getMode() == Conversation.MODE_SINGLE
2184                                && (conversational instanceof Conversation c)
2185                                && !c.getContact().getPresences().isEmpty();
2186                retryAsP2P.setVisible(fileNotUploaded && isPeerOnline && httpUploadAvailable);
2187            }
2188            if (m.hasFileOnRemoteHost()
2189                    || m.isGeoUri()
2190                    || m.treatAsDownloadable()
2191                    || unInitiatedButKnownSize
2192                    || t instanceof HttpDownloadConnection) {
2193                copyUrl.setVisible(true);
2194            }
2195            if (m.isFileOrImage() && deleted && m.hasFileOnRemoteHost()) {
2196                downloadFile.setVisible(true);
2197                downloadFile.setTitle(
2198                        activity.getString(
2199                                R.string.download_x_file,
2200                                UIHelper.getFileDescriptionString(activity, m)));
2201            }
2202            final boolean waitingOfferedSending =
2203                    m.getStatus() == Message.STATUS_WAITING
2204                            || m.getStatus() == Message.STATUS_UNSEND
2205                            || m.getStatus() == Message.STATUS_OFFERED;
2206            final boolean cancelable =
2207                    (t != null && !deleted) || waitingOfferedSending && m.needsUploading();
2208            if (cancelable) {
2209                cancelTransmission.setVisible(true);
2210            }
2211            if (m.isFileOrImage() && !deleted && !cancelable) {
2212                final String path = m.getRelativeFilePath();
2213                if (path != null) {
2214                    final var file = new File(path);
2215                    if (file.canRead()) saveAsSticker.setVisible(true);
2216                    blockMedia.setVisible(true);
2217                    if (file.canWrite()) deleteFile.setVisible(true);
2218                    deleteFile.setTitle(
2219                            activity.getString(
2220                                    R.string.delete_x_file,
2221                                    UIHelper.getFileDescriptionString(activity, m)));
2222                }
2223            }
2224
2225            if (m.getFileParams() != null && !m.getFileParams().getThumbnails().isEmpty()) {
2226                // We might be showing a thumbnail worth blocking
2227                blockMedia.setVisible(true);
2228            }
2229            if (showError) {
2230                showErrorMessage.setVisible(true);
2231            }
2232            final String mime = m.isFileOrImage() ? m.getMimeType() : null;
2233            if ((m.isGeoUri() && GeoHelper.openInOsmAnd(getActivity(), m))
2234                    || (mime != null && mime.startsWith("audio/"))) {
2235                openWith.setVisible(true);
2236            }
2237        }
2238    }
2239
2240    @Override
2241    public boolean onContextItemSelected(MenuItem item) {
2242        switch (item.getItemId()) {
2243            case R.id.share_with:
2244                ShareUtil.share(activity, selectedMessage);
2245                return true;
2246            case R.id.correct_message:
2247                correctMessage(selectedMessage);
2248                return true;
2249            case R.id.retract_message:
2250                new AlertDialog.Builder(activity)
2251                    .setTitle(R.string.retract_message)
2252                    .setMessage("Do you really want to retract this message?")
2253                    .setPositiveButton(R.string.yes, (dialog, whichButton) -> {
2254                        final var message = selectedMessage;
2255                        if (message.getStatus() == Message.STATUS_WAITING || message.getStatus() == Message.STATUS_OFFERED) {
2256                            activity.xmppConnectionService.deleteMessage(message);
2257                            return;
2258                        }
2259                        Element reactions = message.getReactionsEl();
2260                        if (reactions != null) {
2261                            final Message previousReaction = conversation.findMessageReactingTo(reactions.getAttribute("id"), null);
2262                            if (previousReaction != null) reactions = previousReaction.getReactionsEl();
2263                            for (Element el : reactions.getChildren()) {
2264                                if (message.getRawBody().endsWith(el.getContent())) {
2265                                    reactions.removeChild(el);
2266                                }
2267                            }
2268                            message.setReactions(reactions);
2269                            if (previousReaction != null) {
2270                                previousReaction.setReactions(reactions);
2271                                activity.xmppConnectionService.updateMessage(previousReaction);
2272                            }
2273                        } else {
2274                            message.setInReplyTo(null);
2275                            message.clearPayloads();
2276                        }
2277                        message.setBody(" ");
2278                        message.setSubject(null);
2279                        message.putEdited(message.getUuid(), message.getServerMsgId());
2280                        message.setServerMsgId(null);
2281                        message.setUuid(UUID.randomUUID().toString());
2282                        sendMessage(message);
2283                    })
2284                    .setNegativeButton(R.string.no, null).show();
2285                return true;
2286            case R.id.moderate_message:
2287                activity.quickEdit("Spam", (reason) -> {
2288                    activity.xmppConnectionService.moderateMessage(conversation.getAccount(), selectedMessage, reason);
2289                    return null;
2290                }, R.string.moderate_reason, false, false, true, true);
2291                return true;
2292            case R.id.copy_message:
2293                ShareUtil.copyToClipboard(activity, selectedMessage);
2294                return true;
2295            case R.id.quote_message:
2296                quoteMessage(selectedMessage);
2297                return true;
2298            case R.id.send_again:
2299                resendMessage(selectedMessage, false);
2300                return true;
2301            case R.id.send_again_as_p2p:
2302                resendMessage(selectedMessage, true);
2303                return true;
2304            case R.id.copy_url:
2305                ShareUtil.copyUrlToClipboard(activity, selectedMessage);
2306                return true;
2307            case R.id.save_as_sticker:
2308                saveAsSticker(selectedMessage);
2309                return true;
2310            case R.id.download_file:
2311                startDownloadable(selectedMessage);
2312                return true;
2313            case R.id.cancel_transmission:
2314                cancelTransmission(selectedMessage);
2315                return true;
2316            case R.id.retry_decryption:
2317                retryDecryption(selectedMessage);
2318                return true;
2319            case R.id.block_media:
2320                new AlertDialog.Builder(activity)
2321                    .setTitle(R.string.block_media)
2322                    .setMessage("Do you really want to block this media in all messages?")
2323                    .setPositiveButton(R.string.yes, (dialog, whichButton) -> {
2324                        List<Element> thumbs = selectedMessage.getFileParams() != null ? selectedMessage.getFileParams().getThumbnails() : null;
2325                        if (thumbs != null && !thumbs.isEmpty()) {
2326                            for (Element thumb : thumbs) {
2327                                Uri uri = Uri.parse(thumb.getAttribute("uri"));
2328                                if (uri.getScheme().equals("cid")) {
2329                                    Cid cid = BobTransfer.cid(uri);
2330                                    if (cid == null) continue;
2331                                    DownloadableFile f = activity.xmppConnectionService.getFileForCid(cid);
2332                                    activity.xmppConnectionService.blockMedia(f);
2333                                    activity.xmppConnectionService.evictPreview(f);
2334                                    f.delete();
2335                                }
2336                            }
2337                        }
2338                        File f = activity.xmppConnectionService.getFileBackend().getFile(selectedMessage);
2339                        activity.xmppConnectionService.blockMedia(f);
2340                        activity.xmppConnectionService.getFileBackend().deleteFile(selectedMessage);
2341                        activity.xmppConnectionService.evictPreview(f);
2342                        activity.xmppConnectionService.updateMessage(selectedMessage, false);
2343                        activity.onConversationsListItemUpdated();
2344                        refresh();
2345                    })
2346                    .setNegativeButton(R.string.no, null).show();
2347                return true;
2348            case R.id.delete_file:
2349                deleteFile(selectedMessage);
2350                return true;
2351            case R.id.show_error_message:
2352                showErrorMessage(selectedMessage);
2353                return true;
2354            case R.id.open_with:
2355                openWith(selectedMessage);
2356                return true;
2357            case R.id.only_this_thread:
2358                conversation.setLockThread(true);
2359                backPressedLeaveSingleThread.setEnabled(true);
2360                setThread(selectedMessage.getThread());
2361                refresh();
2362                return true;
2363            case R.id.action_report_and_block:
2364                reportMessage(selectedMessage);
2365                return true;
2366            case R.id.action_add_reaction:
2367                addReaction(selectedMessage);
2368                return true;
2369            default:
2370                return onOptionsItemSelected(item);
2371        }
2372    }
2373
2374    @Override
2375    public boolean onOptionsItemSelected(final MenuItem item) {
2376        if (MenuDoubleTabUtil.shouldIgnoreTap()) {
2377            return false;
2378        } else if (conversation == null) {
2379            return super.onOptionsItemSelected(item);
2380        }
2381        if (item.getGroupId() == 0x1) {
2382            final File file = extensions.get(item.getItemId());
2383            conversation.startWebxdc(new WebxdcPage(activity, file, createExtensionSourceMessage(file)));
2384            return true;
2385        }
2386        switch (item.getItemId()) {
2387            case R.id.encryption_choice_axolotl:
2388            case R.id.encryption_choice_pgp:
2389            case R.id.encryption_choice_none:
2390                handleEncryptionSelection(item);
2391                return true;
2392            case R.id.attach_choose_picture:
2393            //case R.id.attach_take_picture:
2394            //case R.id.attach_record_video:
2395            case R.id.attach_choose_file:
2396            case R.id.attach_record_voice:
2397            case R.id.attach_location:
2398                handleAttachmentSelection(item);
2399                return true;
2400            case R.id.attach_webxdc:
2401                final Intent intent = new Intent(getActivity(), WebxdcStore.class);
2402                startActivityForResult(intent, REQUEST_WEBXDC_STORE);
2403                return true;
2404            case R.id.attach_subject:
2405                binding.textinputSubject.setVisibility(binding.textinputSubject.getVisibility() == View.GONE ? View.VISIBLE : View.GONE);
2406                return true;
2407            case R.id.attach_schedule:
2408                scheduleMessage();
2409                return true;
2410            case R.id.action_search:
2411                startSearch();
2412                return true;
2413            case R.id.action_archive:
2414                activity.xmppConnectionService.archiveConversation(conversation);
2415                return true;
2416            case R.id.action_contact_details:
2417                activity.switchToContactDetails(conversation.getContact());
2418                return true;
2419            case R.id.action_muc_details:
2420                ConferenceDetailsActivity.open(activity, conversation);
2421                return true;
2422            case R.id.action_invite:
2423                startActivityForResult(
2424                        ChooseContactActivity.create(activity, conversation),
2425                        REQUEST_INVITE_TO_CONVERSATION);
2426                return true;
2427            case R.id.action_clear_history:
2428                clearHistoryDialog(conversation);
2429                return true;
2430            case R.id.action_mute:
2431                muteConversationDialog(conversation);
2432                return true;
2433            case R.id.action_unmute:
2434                unMuteConversation(conversation);
2435                return true;
2436            case R.id.action_block:
2437            case R.id.action_unblock:
2438                BlockContactDialog.show(activity, conversation);
2439                return true;
2440            case R.id.action_audio_call:
2441                checkPermissionAndTriggerAudioCall();
2442                return true;
2443            case R.id.action_video_call:
2444                checkPermissionAndTriggerVideoCall();
2445                return true;
2446            case R.id.action_ongoing_call:
2447                returnToOngoingCall();
2448                return true;
2449            case R.id.action_toggle_pinned:
2450                togglePinned();
2451                return true;
2452            case R.id.action_add_shortcut:
2453                addShortcut();
2454                return true;
2455            case R.id.action_block_avatar:
2456                new AlertDialog.Builder(activity)
2457                    .setTitle(R.string.block_media)
2458                    .setMessage("Do you really want to block this avatar?")
2459                    .setPositiveButton(R.string.yes, (dialog, whichButton) -> {
2460                            activity.xmppConnectionService.blockMedia(activity.xmppConnectionService.getFileBackend().getAvatarFile(conversation.getContact().getAvatar()));
2461                            activity.xmppConnectionService.getFileBackend().getAvatarFile(conversation.getContact().getAvatar()).delete();
2462                            activity.avatarService().clear(conversation);
2463                            conversation.getContact().setAvatar(null);
2464                            activity.xmppConnectionService.updateConversationUi();
2465                    })
2466                    .setNegativeButton(R.string.no, null).show();
2467                return true;
2468            case R.id.action_refresh_feature_discovery:
2469                refreshFeatureDiscovery();
2470                return true;
2471            default:
2472                break;
2473        }
2474        return super.onOptionsItemSelected(item);
2475    }
2476
2477    private Message createExtensionSourceMessage(final File file) {
2478        final var source = new Message(conversation, null, conversation.getNextEncryption());
2479        source.setStatus(Message.STATUS_DUMMY);
2480        source.setThread(conversation.getThread());
2481        source.setUuid(file.getName());
2482        return source;
2483    }
2484
2485    public boolean onBackPressed() {
2486        boolean wasLocked = conversation.getLockThread();
2487        conversation.setLockThread(false);
2488        backPressedLeaveSingleThread.setEnabled(false);
2489        if (wasLocked) {
2490            setThread(null);
2491            conversation.setUserSelectedThread(false);
2492            refresh();
2493            updateThreadFromLastMessage();
2494            return true;
2495        }
2496        return false;
2497    }
2498
2499    private void startSearch() {
2500        final Intent intent = new Intent(getActivity(), SearchActivity.class);
2501        intent.putExtra(SearchActivity.EXTRA_CONVERSATION_UUID, conversation.getUuid());
2502        startActivity(intent);
2503    }
2504
2505    private void scheduleMessage() {
2506        if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.N) {
2507            final var datePicker = com.google.android.material.datepicker.MaterialDatePicker.Builder.datePicker()
2508                .setTitleText("Schedule Message")
2509                .setSelection(com.google.android.material.datepicker.MaterialDatePicker.todayInUtcMilliseconds())
2510                .setCalendarConstraints(
2511                    new com.google.android.material.datepicker.CalendarConstraints.Builder()
2512                        .setStart(com.google.android.material.datepicker.MaterialDatePicker.todayInUtcMilliseconds())
2513                        .build()
2514                 )
2515                .build();
2516            datePicker.addOnPositiveButtonClickListener((date) -> {
2517                final Calendar now = Calendar.getInstance();
2518                final var timePicker = new com.google.android.material.timepicker.MaterialTimePicker.Builder()
2519                    .setTitleText("Schedule Message")
2520                    .setHour(now.get(Calendar.HOUR_OF_DAY))
2521                    .setMinute(now.get(Calendar.MINUTE))
2522                    .setTimeFormat(android.text.format.DateFormat.is24HourFormat(activity) ? com.google.android.material.timepicker.TimeFormat.CLOCK_24H : com.google.android.material.timepicker.TimeFormat.CLOCK_12H)
2523                    .build();
2524                timePicker.addOnPositiveButtonClickListener((v2) -> {
2525                        final var dateCal = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
2526                        dateCal.setTimeInMillis(date);
2527                        final var time = Calendar.getInstance();
2528                        time.set(dateCal.get(Calendar.YEAR), dateCal.get(Calendar.MONTH), dateCal.get(Calendar.DAY_OF_MONTH), timePicker.getHour(), timePicker.getMinute(), 0);
2529                        final long timestamp = time.getTimeInMillis();
2530                        sendMessage(timestamp);
2531                        Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": scheduled message for " + timestamp);
2532                    });
2533                timePicker.show(activity.getSupportFragmentManager(), "schedulMessageTime");
2534            });
2535            datePicker.show(activity.getSupportFragmentManager(), "schedulMessageDate");
2536        }
2537    }
2538
2539    private void returnToOngoingCall() {
2540        final Optional<OngoingRtpSession> ongoingRtpSession =
2541                activity.xmppConnectionService
2542                        .getJingleConnectionManager()
2543                        .getOngoingRtpConnection(conversation.getContact());
2544        if (ongoingRtpSession.isPresent()) {
2545            final OngoingRtpSession id = ongoingRtpSession.get();
2546            final Intent intent = new Intent(activity, RtpSessionActivity.class);
2547            intent.setAction(Intent.ACTION_VIEW);
2548            intent.putExtra(
2549                    RtpSessionActivity.EXTRA_ACCOUNT,
2550                    id.getAccount().getJid().asBareJid().toString());
2551            intent.putExtra(RtpSessionActivity.EXTRA_WITH, id.getWith().toString());
2552            if (id instanceof AbstractJingleConnection) {
2553                intent.putExtra(RtpSessionActivity.EXTRA_SESSION_ID, id.getSessionId());
2554                activity.startActivity(intent);
2555            } else if (id instanceof JingleConnectionManager.RtpSessionProposal proposal) {
2556                if (Media.audioOnly(proposal.media)) {
2557                    intent.putExtra(
2558                            RtpSessionActivity.EXTRA_LAST_ACTION,
2559                            RtpSessionActivity.ACTION_MAKE_VOICE_CALL);
2560                } else {
2561                    intent.putExtra(
2562                            RtpSessionActivity.EXTRA_LAST_ACTION,
2563                            RtpSessionActivity.ACTION_MAKE_VIDEO_CALL);
2564                }
2565                intent.putExtra(RtpSessionActivity.EXTRA_PROPOSED_SESSION_ID, proposal.sessionId);
2566                activity.startActivity(intent);
2567            }
2568        }
2569    }
2570
2571    private void refreshFeatureDiscovery() {
2572        final var connection = conversation.getContact().getAccount().getXmppConnection();
2573        if (connection == null) return;
2574
2575        var jids = conversation.getContact().getPresences().getFullJids();
2576        if (jids.isEmpty()) {
2577            jids = new HashSet<>();
2578            jids.add(conversation.getContact().getJid());
2579        }
2580        for (final var jid : jids) {
2581            Futures.addCallback(
2582                connection.getManager(DiscoManager.class).info(Entity.presence(jid), null, null),
2583                new FutureCallback<>() {
2584                    @Override
2585                    public void onSuccess(InfoQuery disco) {
2586                        if (activity == null) return;
2587                        activity.runOnUiThread(() -> {
2588                            refresh();
2589                            refreshCommands(true);
2590                        });
2591                    }
2592
2593                    @Override
2594                    public void onFailure(@NonNull Throwable throwable) {}
2595                },
2596                MoreExecutors.directExecutor()
2597            );
2598        }
2599    }
2600
2601    private void addShortcut() {
2602        ShortcutInfoCompat info;
2603        if (conversation.getMode() == Conversation.MODE_MULTI) {
2604            info = activity.xmppConnectionService.getShortcutService().getShortcutInfo(conversation.getMucOptions());
2605        } else {
2606            info = activity.xmppConnectionService.getShortcutService().getShortcutInfo(conversation.getContact());
2607        }
2608        ShortcutManagerCompat.requestPinShortcut(activity, info, null);
2609    }
2610
2611    private void togglePinned() {
2612        final boolean pinned =
2613                conversation.getBooleanAttribute(Conversation.ATTRIBUTE_PINNED_ON_TOP, false);
2614        conversation.setAttribute(Conversation.ATTRIBUTE_PINNED_ON_TOP, !pinned);
2615        activity.xmppConnectionService.updateConversation(conversation);
2616        activity.invalidateOptionsMenu();
2617    }
2618
2619    private void checkPermissionAndTriggerAudioCall() {
2620        if (activity.mUseTor || conversation.getAccount().isOnion()) {
2621            Toast.makeText(activity, R.string.disable_tor_to_make_call, Toast.LENGTH_SHORT).show();
2622            return;
2623        }
2624        final List<String> permissions;
2625        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
2626            permissions =
2627                    Arrays.asList(
2628                            Manifest.permission.RECORD_AUDIO,
2629                            Manifest.permission.BLUETOOTH_CONNECT);
2630        } else {
2631            permissions = Collections.singletonList(Manifest.permission.RECORD_AUDIO);
2632        }
2633        if (hasPermissions(REQUEST_START_AUDIO_CALL, permissions)) {
2634            triggerRtpSession(RtpSessionActivity.ACTION_MAKE_VOICE_CALL);
2635        }
2636    }
2637
2638    private void checkPermissionAndTriggerVideoCall() {
2639        if (activity.mUseTor || conversation.getAccount().isOnion()) {
2640            Toast.makeText(activity, R.string.disable_tor_to_make_call, Toast.LENGTH_SHORT).show();
2641            return;
2642        }
2643        final List<String> permissions;
2644        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
2645            permissions =
2646                    Arrays.asList(
2647                            Manifest.permission.RECORD_AUDIO,
2648                            Manifest.permission.CAMERA,
2649                            Manifest.permission.BLUETOOTH_CONNECT);
2650        } else {
2651            permissions =
2652                    Arrays.asList(Manifest.permission.RECORD_AUDIO, Manifest.permission.CAMERA);
2653        }
2654        if (hasPermissions(REQUEST_START_VIDEO_CALL, permissions)) {
2655            triggerRtpSession(RtpSessionActivity.ACTION_MAKE_VIDEO_CALL);
2656        }
2657    }
2658
2659    private void triggerRtpSession(final String action) {
2660        if (activity.xmppConnectionService.getJingleConnectionManager().isBusy()) {
2661            Toast.makeText(getActivity(), R.string.only_one_call_at_a_time, Toast.LENGTH_LONG)
2662                    .show();
2663            return;
2664        }
2665        final Account account = conversation.getAccount();
2666        if (account.setOption(Account.OPTION_SOFT_DISABLED, false)) {
2667            activity.xmppConnectionService.updateAccount(account);
2668        }
2669        final Contact contact = conversation.getContact();
2670        if (Config.USE_JINGLE_MESSAGE_INIT && RtpCapability.jmiSupport(contact)) {
2671            triggerRtpSession(contact.getAccount(), contact.getJid().asBareJid(), action);
2672        } else {
2673            final RtpCapability.Capability capability;
2674            if (action.equals(RtpSessionActivity.ACTION_MAKE_VIDEO_CALL)) {
2675                capability = RtpCapability.Capability.VIDEO;
2676            } else {
2677                capability = RtpCapability.Capability.AUDIO;
2678            }
2679            PresenceSelector.selectFullJidForDirectRtpConnection(
2680                    activity,
2681                    contact,
2682                    capability,
2683                    fullJid -> {
2684                        triggerRtpSession(contact.getAccount(), fullJid, action);
2685                    });
2686        }
2687    }
2688
2689    private void triggerRtpSession(final Account account, final Jid with, final String action) {
2690        CallIntegrationConnectionService.placeCall(
2691                activity.xmppConnectionService,
2692                account,
2693                with,
2694                RtpSessionActivity.actionToMedia(action));
2695    }
2696
2697    private void handleAttachmentSelection(MenuItem item) {
2698        switch (item.getItemId()) {
2699            case R.id.attach_choose_picture:
2700                attachFile(ATTACHMENT_CHOICE_CHOOSE_IMAGE);
2701                break;
2702            /*case R.id.attach_take_picture:
2703                attachFile(ATTACHMENT_CHOICE_TAKE_PHOTO);
2704                break;
2705            case R.id.attach_record_video:
2706                attachFile(ATTACHMENT_CHOICE_RECORD_VIDEO);
2707                break;*/
2708            case R.id.attach_choose_file:
2709                attachFile(ATTACHMENT_CHOICE_CHOOSE_FILE);
2710                break;
2711            case R.id.attach_record_voice:
2712                attachFile(ATTACHMENT_CHOICE_RECORD_VOICE);
2713                break;
2714            case R.id.attach_location:
2715                attachFile(ATTACHMENT_CHOICE_LOCATION);
2716                break;
2717        }
2718    }
2719
2720    private void handleEncryptionSelection(MenuItem item) {
2721        if (conversation == null) {
2722            return;
2723        }
2724        final boolean updated;
2725        switch (item.getItemId()) {
2726            case R.id.encryption_choice_none:
2727                updated = conversation.setNextEncryption(Message.ENCRYPTION_NONE);
2728                item.setChecked(true);
2729                break;
2730            case R.id.encryption_choice_pgp:
2731                if (activity.hasPgp()) {
2732                    if (conversation.getAccount().getPgpSignature() != null) {
2733                        updated = conversation.setNextEncryption(Message.ENCRYPTION_PGP);
2734                        item.setChecked(true);
2735                    } else {
2736                        updated = false;
2737                        activity.announcePgp(
2738                                conversation.getAccount(),
2739                                conversation,
2740                                null,
2741                                activity.onOpenPGPKeyPublished);
2742                    }
2743                } else {
2744                    activity.showInstallPgpDialog();
2745                    updated = false;
2746                }
2747                break;
2748            case R.id.encryption_choice_axolotl:
2749                Log.d(
2750                        Config.LOGTAG,
2751                        AxolotlService.getLogprefix(conversation.getAccount())
2752                                + "Enabled axolotl for Contact "
2753                                + conversation.getContact().getJid());
2754                updated = conversation.setNextEncryption(Message.ENCRYPTION_AXOLOTL);
2755                item.setChecked(true);
2756                break;
2757            default:
2758                updated = conversation.setNextEncryption(Message.ENCRYPTION_NONE);
2759                break;
2760        }
2761        if (updated) {
2762            activity.xmppConnectionService.updateConversation(conversation);
2763        }
2764        updateChatMsgHint();
2765        getActivity().invalidateOptionsMenu();
2766        activity.refreshUi();
2767    }
2768
2769    public void attachFile(final int attachmentChoice) {
2770        attachFile(attachmentChoice, true, false);
2771    }
2772
2773    public void attachFile(final int attachmentChoice, final boolean updateRecentlyUsed) {
2774        attachFile(attachmentChoice, updateRecentlyUsed, false);
2775    }
2776
2777    public void attachFile(final int attachmentChoice, final boolean updateRecentlyUsed, final boolean fromPermissions) {
2778        if (attachmentChoice == ATTACHMENT_CHOICE_RECORD_VOICE) {
2779            if (!hasPermissions(
2780                    attachmentChoice,
2781                    Manifest.permission.WRITE_EXTERNAL_STORAGE,
2782                    Manifest.permission.RECORD_AUDIO)) {
2783                return;
2784            }
2785        } else if (attachmentChoice == ATTACHMENT_CHOICE_TAKE_PHOTO
2786                || attachmentChoice == ATTACHMENT_CHOICE_RECORD_VIDEO
2787                || (attachmentChoice == ATTACHMENT_CHOICE_CHOOSE_IMAGE && !fromPermissions)) {
2788            if (!hasPermissions(
2789                    attachmentChoice,
2790                    Manifest.permission.WRITE_EXTERNAL_STORAGE,
2791                    Manifest.permission.CAMERA)) {
2792                return;
2793            }
2794        } else if (attachmentChoice != ATTACHMENT_CHOICE_LOCATION) {
2795            if (!hasPermissions(attachmentChoice, Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
2796                return;
2797            }
2798        }
2799        if (updateRecentlyUsed) {
2800            storeRecentlyUsedQuickAction(attachmentChoice);
2801        }
2802        final int encryption = conversation.getNextEncryption();
2803        final int mode = conversation.getMode();
2804        if (encryption == Message.ENCRYPTION_PGP) {
2805            if (activity.hasPgp()) {
2806                if (mode == Conversation.MODE_SINGLE
2807                        && conversation.getContact().getPgpKeyId() != 0) {
2808                    activity.xmppConnectionService
2809                            .getPgpEngine()
2810                            .hasKey(
2811                                    conversation.getContact(),
2812                                    new UiCallback<Contact>() {
2813
2814                                        @Override
2815                                        public void userInputRequired(
2816                                                PendingIntent pi, Contact contact) {
2817                                            startPendingIntent(pi, attachmentChoice);
2818                                        }
2819
2820                                        @Override
2821                                        public void success(Contact contact) {
2822                                            invokeAttachFileIntent(attachmentChoice);
2823                                        }
2824
2825                                        @Override
2826                                        public void error(int error, Contact contact) {
2827                                            activity.replaceToast(getString(error));
2828                                        }
2829                                    });
2830                } else if (mode == Conversation.MODE_MULTI
2831                        && conversation.getMucOptions().pgpKeysInUse()) {
2832                    if (!conversation.getMucOptions().everybodyHasKeys()) {
2833                        Toast warning =
2834                                Toast.makeText(
2835                                        getActivity(),
2836                                        R.string.missing_public_keys,
2837                                        Toast.LENGTH_LONG);
2838                        warning.setGravity(Gravity.CENTER_VERTICAL, 0, 0);
2839                        warning.show();
2840                    }
2841                    invokeAttachFileIntent(attachmentChoice);
2842                } else {
2843                    showNoPGPKeyDialog(
2844                            false,
2845                            (dialog, which) -> {
2846                                conversation.setNextEncryption(Message.ENCRYPTION_NONE);
2847                                activity.xmppConnectionService.updateConversation(conversation);
2848                                invokeAttachFileIntent(attachmentChoice);
2849                            });
2850                }
2851            } else {
2852                activity.showInstallPgpDialog();
2853            }
2854        } else {
2855            invokeAttachFileIntent(attachmentChoice);
2856        }
2857    }
2858
2859    private void storeRecentlyUsedQuickAction(final int attachmentChoice) {
2860        try {
2861            activity.getPreferences()
2862                    .edit()
2863                    .putString(
2864                            RECENTLY_USED_QUICK_ACTION,
2865                            SendButtonAction.of(attachmentChoice).toString())
2866                    .apply();
2867        } catch (IllegalArgumentException e) {
2868            // just do not save
2869        }
2870    }
2871
2872    @Override
2873    public void onRequestPermissionsResult(
2874            int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
2875        final PermissionUtils.PermissionResult permissionResult =
2876                PermissionUtils.removeBluetoothConnect(permissions, grantResults);
2877        if (grantResults.length > 0) {
2878            if (allGranted(permissionResult.grantResults) || requestCode == ATTACHMENT_CHOICE_CHOOSE_IMAGE) {
2879                switch (requestCode) {
2880                    case REQUEST_START_DOWNLOAD:
2881                        if (this.mPendingDownloadableMessage != null) {
2882                            startDownloadable(this.mPendingDownloadableMessage);
2883                        }
2884                        break;
2885                    case REQUEST_ADD_EDITOR_CONTENT:
2886                        if (this.mPendingEditorContent != null) {
2887                            attachEditorContentToConversation(this.mPendingEditorContent);
2888                        }
2889                        break;
2890                    case REQUEST_COMMIT_ATTACHMENTS:
2891                        commitAttachments();
2892                        break;
2893                    case REQUEST_START_AUDIO_CALL:
2894                        triggerRtpSession(RtpSessionActivity.ACTION_MAKE_VOICE_CALL);
2895                        break;
2896                    case REQUEST_START_VIDEO_CALL:
2897                        triggerRtpSession(RtpSessionActivity.ACTION_MAKE_VIDEO_CALL);
2898                        break;
2899                    default:
2900                        attachFile(requestCode, true, true);
2901                        break;
2902                }
2903            } else {
2904                @StringRes int res;
2905                String firstDenied =
2906                        getFirstDenied(permissionResult.grantResults, permissionResult.permissions);
2907                if (Manifest.permission.RECORD_AUDIO.equals(firstDenied)) {
2908                    res = R.string.no_microphone_permission;
2909                } else if (Manifest.permission.CAMERA.equals(firstDenied)) {
2910                    res = R.string.no_camera_permission;
2911                } else {
2912                    res = R.string.no_storage_permission;
2913                }
2914                Toast.makeText(
2915                                getActivity(),
2916                                getString(res, getString(R.string.app_name)),
2917                                Toast.LENGTH_SHORT)
2918                        .show();
2919            }
2920        }
2921        if (writeGranted(grantResults, permissions)) {
2922            if (activity != null && activity.xmppConnectionService != null) {
2923                activity.xmppConnectionService.getDrawableCache().evictAll();
2924                activity.xmppConnectionService.restartFileObserver();
2925            }
2926            refresh();
2927        }
2928        if (cameraGranted(grantResults, permissions) || audioGranted(grantResults, permissions)) {
2929            XmppConnectionService.toggleForegroundService(activity);
2930        }
2931    }
2932
2933    public void startDownloadable(Message message) {
2934        if (!hasPermissions(REQUEST_START_DOWNLOAD, Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
2935            this.mPendingDownloadableMessage = message;
2936            return;
2937        }
2938        Transferable transferable = message.getTransferable();
2939        if (transferable != null) {
2940            if (transferable instanceof TransferablePlaceholder && message.hasFileOnRemoteHost()) {
2941                createNewConnection(message);
2942                return;
2943            }
2944            if (!transferable.start()) {
2945                Log.d(Config.LOGTAG, "type: " + transferable.getClass().getName());
2946                Toast.makeText(getActivity(), R.string.not_connected_try_again, Toast.LENGTH_SHORT)
2947                        .show();
2948            }
2949        } else if (message.treatAsDownloadable()
2950                || message.hasFileOnRemoteHost()
2951                || MessageUtils.unInitiatedButKnownSize(message)) {
2952            createNewConnection(message);
2953        } else {
2954            Log.d(
2955                    Config.LOGTAG,
2956                    message.getConversation().getAccount() + ": unable to start downloadable");
2957        }
2958    }
2959
2960    private void createNewConnection(final Message message) {
2961        if (!activity.xmppConnectionService.hasInternetConnection()) {
2962            Toast.makeText(getActivity(), R.string.not_connected_try_again, Toast.LENGTH_SHORT)
2963                    .show();
2964            return;
2965        }
2966        if (message.getOob() != null && "cid".equalsIgnoreCase(message.getOob().getScheme())) {
2967            try {
2968                BobTransfer transfer = new BobTransfer.ForMessage(message, activity.xmppConnectionService);
2969                message.setTransferable(transfer);
2970                transfer.start();
2971            } catch (URISyntaxException e) {
2972                Log.d(Config.LOGTAG, "BobTransfer failed to parse URI");
2973            }
2974        } else {
2975            activity.xmppConnectionService
2976                    .getHttpConnectionManager()
2977                    .createNewDownloadConnection(message, true);
2978        }
2979    }
2980
2981    @SuppressLint("InflateParams")
2982    protected void clearHistoryDialog(final Conversation conversation) {
2983        final MaterialAlertDialogBuilder builder =
2984                new MaterialAlertDialogBuilder(requireActivity());
2985        builder.setTitle(R.string.clear_conversation_history);
2986        final View dialogView =
2987                requireActivity().getLayoutInflater().inflate(R.layout.dialog_clear_history, null);
2988        final CheckBox endConversationCheckBox =
2989                dialogView.findViewById(R.id.end_conversation_checkbox);
2990        builder.setView(dialogView);
2991        builder.setNegativeButton(getString(R.string.cancel), null);
2992        builder.setPositiveButton(
2993                getString(R.string.confirm),
2994                (dialog, which) -> {
2995                    this.activity.xmppConnectionService.clearConversationHistory(conversation);
2996                    if (endConversationCheckBox.isChecked()) {
2997                        this.activity.xmppConnectionService.archiveConversation(conversation);
2998                        this.activity.onConversationArchived(conversation);
2999                    } else {
3000                        activity.onConversationsListItemUpdated();
3001                        refresh();
3002                    }
3003                });
3004        builder.create().show();
3005    }
3006
3007    protected void muteConversationDialog(final Conversation conversation) {
3008        final MaterialAlertDialogBuilder builder =
3009                new MaterialAlertDialogBuilder(requireActivity());
3010        builder.setTitle(R.string.disable_notifications);
3011        final int[] durations = activity.getResources().getIntArray(R.array.mute_options_durations);
3012        final CharSequence[] labels = new CharSequence[durations.length];
3013        for (int i = 0; i < durations.length; ++i) {
3014            if (durations[i] == -1) {
3015                labels[i] = activity.getString(R.string.until_further_notice);
3016            } else {
3017                labels[i] = TimeFrameUtils.resolve(activity, 1000L * durations[i]);
3018            }
3019        }
3020        builder.setItems(
3021                labels,
3022                (dialog, which) -> {
3023                    final long till;
3024                    if (durations[which] == -1) {
3025                        till = Long.MAX_VALUE;
3026                    } else {
3027                        till = System.currentTimeMillis() + (durations[which] * 1000L);
3028                    }
3029                    conversation.setMutedTill(till);
3030                    activity.xmppConnectionService.updateConversation(conversation);
3031                    activity.onConversationsListItemUpdated();
3032                    refresh();
3033                    activity.invalidateOptionsMenu();
3034                });
3035        builder.create().show();
3036    }
3037
3038    private boolean hasPermissions(int requestCode, List<String> permissions) {
3039        final List<String> missingPermissions = new ArrayList<>();
3040        for (String permission : permissions) {
3041            if ((Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU
3042                            || Config.ONLY_INTERNAL_STORAGE)
3043                    && permission.equals(Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
3044                continue;
3045            }
3046            if (activity.checkSelfPermission(permission) != PackageManager.PERMISSION_GRANTED) {
3047                missingPermissions.add(permission);
3048            }
3049        }
3050        if (missingPermissions.size() == 0) {
3051            return true;
3052        } else {
3053            requestPermissions(missingPermissions.toArray(new String[0]), requestCode);
3054            return false;
3055        }
3056    }
3057
3058    private boolean hasPermissions(int requestCode, String... permissions) {
3059        return hasPermissions(requestCode, ImmutableList.copyOf(permissions));
3060    }
3061
3062    public void unMuteConversation(final Conversation conversation) {
3063        conversation.setMutedTill(0);
3064        this.activity.xmppConnectionService.updateConversation(conversation);
3065        this.activity.onConversationsListItemUpdated();
3066        refresh();
3067        this.activity.invalidateOptionsMenu();
3068    }
3069
3070    protected void invokeAttachFileIntent(final int attachmentChoice) {
3071        Intent intent = new Intent();
3072
3073        final var takePhotoIntent = new Intent();
3074        final Uri takePhotoUri = activity.xmppConnectionService.getFileBackend().getTakePhotoUri();
3075        pendingTakePhotoUri.push(takePhotoUri);
3076        takePhotoIntent.putExtra(MediaStore.EXTRA_OUTPUT, takePhotoUri);
3077        takePhotoIntent.addFlags(Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
3078        takePhotoIntent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
3079        takePhotoIntent.setAction(MediaStore.ACTION_IMAGE_CAPTURE);
3080
3081        final var takeVideoIntent = new Intent();
3082        takeVideoIntent.setAction(MediaStore.ACTION_VIDEO_CAPTURE);
3083
3084        switch (attachmentChoice) {
3085            case ATTACHMENT_CHOICE_CHOOSE_IMAGE:
3086                intent.setAction(Intent.ACTION_GET_CONTENT);
3087                intent.putExtra(Intent.EXTRA_ALLOW_MULTIPLE, true);
3088                intent.setType("*/*");
3089                intent.putExtra(Intent.EXTRA_MIME_TYPES, new String[] {"image/*", "video/*"});
3090                intent = Intent.createChooser(intent, getString(R.string.perform_action_with));
3091                if (activity.checkSelfPermission(Manifest.permission.CAMERA) == PackageManager.PERMISSION_GRANTED) {
3092                    intent.putExtra(Intent.EXTRA_INITIAL_INTENTS, new Intent[] { takePhotoIntent, takeVideoIntent });
3093                }
3094                break;
3095            case ATTACHMENT_CHOICE_RECORD_VIDEO:
3096                intent = takeVideoIntent;
3097                break;
3098            case ATTACHMENT_CHOICE_TAKE_PHOTO:
3099                intent = takePhotoIntent;
3100                break;
3101            case ATTACHMENT_CHOICE_CHOOSE_FILE:
3102                intent.setAction(Intent.ACTION_GET_CONTENT);
3103                intent.putExtra(Intent.EXTRA_ALLOW_MULTIPLE, true);
3104                intent.setType("*/*");
3105                intent.addCategory(Intent.CATEGORY_OPENABLE);
3106                intent = Intent.createChooser(intent, getString(R.string.perform_action_with));
3107                break;
3108            case ATTACHMENT_CHOICE_RECORD_VOICE:
3109                intent = new Intent(getActivity(), RecordingActivity.class);
3110                break;
3111            case ATTACHMENT_CHOICE_LOCATION:
3112                intent = GeoHelper.getFetchIntent(activity);
3113                break;
3114        }
3115        final Context context = getActivity();
3116        if (context == null) {
3117            return;
3118        }
3119        try {
3120            startActivityForResult(intent, attachmentChoice);
3121        } catch (final ActivityNotFoundException e) {
3122            Toast.makeText(context, R.string.no_application_found, Toast.LENGTH_LONG).show();
3123        }
3124    }
3125
3126    @Override
3127    public void onResume() {
3128        super.onResume();
3129        binding.messagesView.post(this::fireReadEvent);
3130    }
3131
3132    private void fireReadEvent() {
3133        if (activity != null && this.conversation != null) {
3134            String uuid = getLastVisibleMessageUuid();
3135            if (uuid != null) {
3136                activity.onConversationRead(this.conversation, uuid);
3137            }
3138        }
3139    }
3140
3141    private void newSubThread() {
3142        Element oldThread = conversation.getThread();
3143        Element thread = new Element("thread", "jabber:client");
3144        thread.setContent(UUID.randomUUID().toString());
3145        if (oldThread != null) thread.setAttribute("parent", oldThread.getContent());
3146        setThread(thread);
3147    }
3148
3149    private void newThread() {
3150        Element thread = new Element("thread", "jabber:client");
3151        thread.setContent(UUID.randomUUID().toString());
3152        setThread(thread);
3153    }
3154
3155    private void updateThreadFromLastMessage() {
3156        if (this.conversation != null && !this.conversation.getUserSelectedThread() && TextUtils.isEmpty(binding.textinput.getText())) {
3157            Message message = getLastVisibleMessage();
3158            if (message == null) {
3159                newThread();
3160            } else {
3161                if (conversation.getMode() == Conversation.MODE_MULTI) {
3162                    if (activity == null || activity.xmppConnectionService == null) return;
3163                    if (message.getStatus() < Message.STATUS_SEND) {
3164                        if (!activity.xmppConnectionService.getBooleanPreference("follow_thread_in_channel", R.bool.follow_thread_in_channel)) return;
3165                    }
3166                }
3167
3168                setThread(message.getThread());
3169            }
3170        }
3171    }
3172
3173    private String getLastVisibleMessageUuid() {
3174        Message message =  getLastVisibleMessage();
3175        return message == null ? null : message.getUuid();
3176    }
3177
3178    private Message getLastVisibleMessage() {
3179        if (binding == null) {
3180            return null;
3181        }
3182        synchronized (this.messageList) {
3183            int pos = binding.messagesView.getLastVisiblePosition();
3184            if (pos >= 0) {
3185                Message message = null;
3186                for (int i = pos; i >= 0; --i) {
3187                    try {
3188                        message = (Message) binding.messagesView.getItemAtPosition(i);
3189                    } catch (IndexOutOfBoundsException e) {
3190                        // should not happen if we synchronize properly. however if that fails we
3191                        // just gonna try item -1
3192                        continue;
3193                    }
3194                    if (message.getType() != Message.TYPE_STATUS) {
3195                        break;
3196                    }
3197                }
3198                if (message != null) {
3199                    return message;
3200                }
3201            }
3202        }
3203        return null;
3204    }
3205
3206    private void openWith(final Message message) {
3207        if (message.isGeoUri()) {
3208            GeoHelper.view(getActivity(), message);
3209        } else {
3210            final DownloadableFile file =
3211                    activity.xmppConnectionService.getFileBackend().getFile(message);
3212            final var fp = message.getFileParams();
3213            final var name = fp == null ? null : fp.getName();
3214            final var displayName = name == null ? file.getName() : name;
3215            ViewUtil.view(activity, file, displayName);
3216        }
3217    }
3218
3219    public void addReaction(final Message message) {
3220        activity.addReaction(emoji -> {
3221            setupReply(message);
3222            binding.textinput.setText(emoji.toInsert());
3223            sendMessage();
3224        });
3225    }
3226
3227    private void reportMessage(final Message message) {
3228        BlockContactDialog.show(activity, conversation.getContact(), message.getServerMsgId());
3229    }
3230
3231    private void showErrorMessage(final Message message) {
3232        final MaterialAlertDialogBuilder builder =
3233                new MaterialAlertDialogBuilder(requireActivity());
3234        builder.setTitle(R.string.error_message);
3235        final String errorMessage = message.getErrorMessage();
3236        final String[] errorMessageParts =
3237                errorMessage == null ? new String[0] : errorMessage.split("\\u001f");
3238        final String displayError;
3239        if (errorMessageParts.length == 2) {
3240            displayError = errorMessageParts[1];
3241        } else {
3242            displayError = errorMessage;
3243        }
3244        builder.setMessage(displayError);
3245        builder.setNegativeButton(
3246                R.string.copy_to_clipboard,
3247                (dialog, which) -> {
3248                    if (activity.copyTextToClipboard(displayError, R.string.error_message)
3249                            && Build.VERSION.SDK_INT < Build.VERSION_CODES.TIRAMISU) {
3250                        Toast.makeText(
3251                                        activity,
3252                                        R.string.error_message_copied_to_clipboard,
3253                                        Toast.LENGTH_SHORT)
3254                                .show();
3255                    }
3256                });
3257        builder.setPositiveButton(R.string.confirm, null);
3258        builder.create().show();
3259    }
3260
3261    public boolean onInlineImageLongClicked(Cid cid) {
3262        DownloadableFile f = activity.xmppConnectionService.getFileForCid(cid);
3263        if (f == null) return false;
3264
3265        saveAsSticker(f, null);
3266        return true;
3267    }
3268
3269    private void saveAsSticker(final Message m) {
3270        String existingName = m.getFileParams() != null && m.getFileParams().getName() != null ? m.getFileParams().getName() : "";
3271        existingName = existingName.lastIndexOf(".") == -1 ? existingName : existingName.substring(0, existingName.lastIndexOf("."));
3272        saveAsSticker(activity.xmppConnectionService.getFileBackend().getFile(m), existingName);
3273    }
3274
3275    private void saveAsSticker(final File file, final String name) {
3276        savingAsSticker = file;
3277
3278        Intent intent = new Intent(Intent.ACTION_CREATE_DOCUMENT);
3279        intent.addCategory(Intent.CATEGORY_OPENABLE);
3280        intent.setType(MimeUtils.guessMimeTypeFromUri(activity, activity.xmppConnectionService.getFileBackend().getUriForFile(activity, file, file.getName())));
3281        intent.putExtra(Intent.EXTRA_TITLE, name);
3282
3283        SharedPreferences p = PreferenceManager.getDefaultSharedPreferences(activity);
3284        final String dir = p.getString("sticker_directory", "Stickers");
3285        if (dir.startsWith("content://")) {
3286            intent.putExtra("android.provider.extra.INITIAL_URI", Uri.parse(dir));
3287        } else {
3288            new File(Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES) + "/" + dir + "/User Pack").mkdirs();
3289            Uri uri;
3290            if (Build.VERSION.SDK_INT >= 29) {
3291                Intent tmp = ((StorageManager) activity.getSystemService(Context.STORAGE_SERVICE)).getPrimaryStorageVolume().createOpenDocumentTreeIntent();
3292                uri = tmp.getParcelableExtra("android.provider.extra.INITIAL_URI");
3293                uri = Uri.parse(uri.toString().replace("/root/", "/document/") + "%3APictures%2F" + dir);
3294            } else {
3295                uri = Uri.parse("content://com.android.externalstorage.documents/document/primary%3APictures%2F" + dir);
3296            }
3297            intent.putExtra("android.provider.extra.INITIAL_URI", uri);
3298            intent.putExtra("android.content.extra.SHOW_ADVANCED", true);
3299        }
3300
3301        Toast.makeText(activity, "Choose a sticker pack to add this sticker to", Toast.LENGTH_SHORT).show();
3302        startActivityForResult(Intent.createChooser(intent, "Choose sticker pack"), REQUEST_SAVE_STICKER);
3303    }
3304
3305    private void deleteFile(final Message message) {
3306        final MaterialAlertDialogBuilder builder =
3307                new MaterialAlertDialogBuilder(requireActivity());
3308        builder.setNegativeButton(R.string.cancel, null);
3309        builder.setTitle(R.string.delete_file_dialog);
3310        builder.setMessage(R.string.delete_file_dialog_msg);
3311        builder.setPositiveButton(
3312                R.string.confirm,
3313                (dialog, which) -> {
3314                    List<Element> thumbs = selectedMessage.getFileParams() != null ? selectedMessage.getFileParams().getThumbnails() : null;
3315                    if (thumbs != null && !thumbs.isEmpty()) {
3316                        for (Element thumb : thumbs) {
3317                            Uri uri = Uri.parse(thumb.getAttribute("uri"));
3318                            if (uri.getScheme().equals("cid")) {
3319                                Cid cid = BobTransfer.cid(uri);
3320                                if (cid == null) continue;
3321                                DownloadableFile f = activity.xmppConnectionService.getFileForCid(cid);
3322                                activity.xmppConnectionService.evictPreview(f);
3323                                f.delete();
3324                            }
3325                        }
3326                    }
3327                    if (activity.xmppConnectionService.getFileBackend().deleteFile(message)) {
3328                        activity.xmppConnectionService.evictPreview(activity.xmppConnectionService.getFileBackend().getFile(message));
3329                        activity.xmppConnectionService.updateMessage(message, false);
3330                        activity.onConversationsListItemUpdated();
3331                        refresh();
3332                    }
3333                });
3334        builder.create().show();
3335    }
3336
3337    private void resendMessage(final Message message, final boolean forceP2P) {
3338        if (message.isFileOrImage()) {
3339            if (!(message.getConversation() instanceof Conversation conversation)) {
3340                return;
3341            }
3342            final DownloadableFile file =
3343                    activity.xmppConnectionService.getFileBackend().getFile(message);
3344            if ((file.exists() && file.canRead()) || message.hasFileOnRemoteHost()) {
3345                final XmppConnection xmppConnection = conversation.getAccount().getXmppConnection();
3346                if (!message.hasFileOnRemoteHost()
3347                        && xmppConnection != null
3348                        && conversation.getMode() == Conversational.MODE_SINGLE
3349                        && (!xmppConnection
3350                                        .getManager(HttpUploadManager.class)
3351                                        .isAvailableForSize(message.getFileParams().getSize())
3352                                || forceP2P)) {
3353                    activity.selectPresence(
3354                            conversation,
3355                            () -> {
3356                                message.setCounterpart(conversation.getNextCounterpart());
3357                                activity.xmppConnectionService.resendFailedMessages(
3358                                        message, forceP2P);
3359                                new Handler()
3360                                        .post(
3361                                                () -> {
3362                                                    int size = messageList.size();
3363                                                    this.binding.messagesView.setSelection(
3364                                                            size - 1);
3365                                                });
3366                            });
3367                    return;
3368                }
3369            } else if (!Compatibility.hasStoragePermission(getActivity())) {
3370                Toast.makeText(activity, R.string.no_storage_permission, Toast.LENGTH_SHORT).show();
3371                return;
3372            } else {
3373                Toast.makeText(activity, R.string.file_deleted, Toast.LENGTH_SHORT).show();
3374                message.setDeleted(true);
3375                activity.xmppConnectionService.updateMessage(message, false);
3376                activity.onConversationsListItemUpdated();
3377                refresh();
3378                return;
3379            }
3380        }
3381        activity.xmppConnectionService.resendFailedMessages(message, false);
3382        new Handler()
3383                .post(
3384                        () -> {
3385                            int size = messageList.size();
3386                            this.binding.messagesView.setSelection(size - 1);
3387                        });
3388    }
3389
3390    private void cancelTransmission(Message message) {
3391        Transferable transferable = message.getTransferable();
3392        if (transferable != null) {
3393            transferable.cancel();
3394        } else if (message.getStatus() != Message.STATUS_RECEIVED) {
3395            activity.xmppConnectionService.markMessage(
3396                    message, Message.STATUS_SEND_FAILED, Message.ERROR_MESSAGE_CANCELLED);
3397        }
3398    }
3399
3400    private void retryDecryption(Message message) {
3401        message.setEncryption(Message.ENCRYPTION_PGP);
3402        activity.onConversationsListItemUpdated();
3403        refresh();
3404        conversation.getAccount().getPgpDecryptionService().decrypt(message, false);
3405    }
3406
3407    public void privateMessageWith(final Jid counterpart) {
3408        if (conversation.setOutgoingChatState(Config.DEFAULT_CHAT_STATE)) {
3409            activity.xmppConnectionService.sendChatState(conversation);
3410        }
3411        this.binding.textinput.setText("");
3412        this.conversation.setNextCounterpart(counterpart);
3413        updateChatMsgHint();
3414        updateSendButton();
3415        updateEditablity();
3416    }
3417
3418    private void correctMessage(final Message message) {
3419        setThread(message.getThread());
3420        conversation.setUserSelectedThread(true);
3421        this.conversation.setCorrectingMessage(message);
3422        final Editable editable = binding.textinput.getText();
3423        this.conversation.setDraftMessage(editable.toString());
3424        this.binding.textinput.setText("");
3425        this.binding.textinput.append(message.getBody(true));
3426        if (message.getSubject() != null && message.getSubject().length() > 0) {
3427            this.binding.textinputSubject.setText(message.getSubject());
3428            this.binding.textinputSubject.setVisibility(View.VISIBLE);
3429        }
3430        setupReply(message.getInReplyTo());
3431    }
3432
3433    private void highlightInConference(String nick) {
3434        final Editable editable = this.binding.textinput.getText();
3435        String oldString = editable.toString().trim();
3436        final int pos = this.binding.textinput.getSelectionStart();
3437        if (oldString.isEmpty() || pos == 0) {
3438            editable.insert(0, nick + ": ");
3439        } else {
3440            final char before = editable.charAt(pos - 1);
3441            final char after = editable.length() > pos ? editable.charAt(pos) : '\0';
3442            if (before == '\n') {
3443                editable.insert(pos, nick + ": ");
3444            } else {
3445                if (pos > 2 && editable.subSequence(pos - 2, pos).toString().equals(": ")) {
3446                    if (NickValidityChecker.check(
3447                            conversation,
3448                            Arrays.asList(
3449                                    editable.subSequence(0, pos - 2).toString().split(", ")))) {
3450                        editable.insert(pos - 2, ", " + nick);
3451                        return;
3452                    }
3453                }
3454                editable.insert(
3455                        pos,
3456                        (Character.isWhitespace(before) ? "" : " ")
3457                                + nick
3458                                + (Character.isWhitespace(after) ? "" : " "));
3459                if (Character.isWhitespace(after)) {
3460                    this.binding.textinput.setSelection(
3461                            this.binding.textinput.getSelectionStart() + 1);
3462                }
3463            }
3464        }
3465    }
3466
3467    @Override
3468    public void startActivityForResult(Intent intent, int requestCode) {
3469        final Activity activity = getActivity();
3470        if (activity instanceof ConversationsActivity) {
3471            ((ConversationsActivity) activity).clearPendingViewIntent();
3472        }
3473        super.startActivityForResult(intent, requestCode);
3474    }
3475
3476    @Override
3477    public void onSaveInstanceState(@NonNull Bundle outState) {
3478        super.onSaveInstanceState(outState);
3479        if (conversation != null) {
3480            outState.putString(STATE_CONVERSATION_UUID, conversation.getUuid());
3481            outState.putString(STATE_LAST_MESSAGE_UUID, lastMessageUuid);
3482            final Uri uri = pendingTakePhotoUri.peek();
3483            if (uri != null) {
3484                outState.putString(STATE_PHOTO_URI, uri.toString());
3485            }
3486            final ScrollState scrollState = getScrollPosition();
3487            if (scrollState != null) {
3488                outState.putParcelable(STATE_SCROLL_POSITION, scrollState);
3489            }
3490            final ArrayList<Attachment> attachments =
3491                    mediaPreviewAdapter == null
3492                            ? new ArrayList<>()
3493                            : mediaPreviewAdapter.getAttachments();
3494            if (attachments.size() > 0) {
3495                outState.putParcelableArrayList(STATE_MEDIA_PREVIEWS, attachments);
3496            }
3497        }
3498    }
3499
3500    @Override
3501    public void onActivityCreated(Bundle savedInstanceState) {
3502        super.onActivityCreated(savedInstanceState);
3503        if (savedInstanceState == null) {
3504            return;
3505        }
3506        String uuid = savedInstanceState.getString(STATE_CONVERSATION_UUID);
3507        ArrayList<Attachment> attachments =
3508                savedInstanceState.getParcelableArrayList(STATE_MEDIA_PREVIEWS);
3509        pendingLastMessageUuid.push(savedInstanceState.getString(STATE_LAST_MESSAGE_UUID, null));
3510        if (uuid != null) {
3511            QuickLoader.set(uuid);
3512            this.pendingConversationsUuid.push(uuid);
3513            if (attachments != null && attachments.size() > 0) {
3514                this.pendingMediaPreviews.push(attachments);
3515            }
3516            String takePhotoUri = savedInstanceState.getString(STATE_PHOTO_URI);
3517            if (takePhotoUri != null) {
3518                pendingTakePhotoUri.push(Uri.parse(takePhotoUri));
3519            }
3520            pendingScrollState.push(savedInstanceState.getParcelable(STATE_SCROLL_POSITION));
3521        }
3522    }
3523
3524    @Override
3525    public void onStart() {
3526        super.onStart();
3527        if (this.reInitRequiredOnStart && this.conversation != null) {
3528            final Bundle extras = pendingExtras.pop();
3529            reInit(this.conversation, extras != null, extras != null && extras.getString(ConversationsActivity.EXTRA_MESSAGE_UUID) != null);
3530            if (extras != null) {
3531                processExtras(extras);
3532            }
3533        } else if (conversation == null
3534                && activity != null
3535                && activity.xmppConnectionService != null) {
3536            final String uuid = pendingConversationsUuid.pop();
3537            Log.d(
3538                    Config.LOGTAG,
3539                    "ConversationFragment.onStart() - activity was bound but no conversation"
3540                            + " loaded. uuid="
3541                            + uuid);
3542            if (uuid != null) {
3543                findAndReInitByUuidOrArchive(uuid);
3544            }
3545        }
3546    }
3547
3548    @Override
3549    public void onStop() {
3550        super.onStop();
3551        final Activity activity = getActivity();
3552        messageListAdapter.unregisterListenerInAudioPlayer();
3553        if (activity == null || !activity.isChangingConfigurations()) {
3554            hideSoftKeyboard(activity);
3555            messageListAdapter.stopAudioPlayer();
3556        }
3557        if (this.conversation != null) {
3558            final String msg = this.binding.textinput.getText().toString();
3559            storeNextMessage(msg);
3560            updateChatState(this.conversation, msg);
3561            this.activity.xmppConnectionService.getNotificationService().setOpenConversation(null);
3562        }
3563        this.reInitRequiredOnStart = true;
3564    }
3565
3566    private void updateChatState(final Conversation conversation, final String msg) {
3567        ChatState state = msg.length() == 0 ? Config.DEFAULT_CHAT_STATE : ChatState.PAUSED;
3568        Account.State status = conversation.getAccount().getStatus();
3569        if (status == Account.State.ONLINE && conversation.setOutgoingChatState(state)) {
3570            activity.xmppConnectionService.sendChatState(conversation);
3571        }
3572    }
3573
3574    private void saveMessageDraftStopAudioPlayer() {
3575        final Conversation previousConversation = this.conversation;
3576        if (this.activity == null || this.binding == null || previousConversation == null) {
3577            return;
3578        }
3579        Log.d(Config.LOGTAG, "ConversationFragment.saveMessageDraftStopAudioPlayer()");
3580        final String msg = this.binding.textinput.getText().toString();
3581        storeNextMessage(msg);
3582        updateChatState(this.conversation, msg);
3583        messageListAdapter.stopAudioPlayer();
3584        mediaPreviewAdapter.clearPreviews();
3585        toggleInputMethod();
3586    }
3587
3588    public void reInit(final Conversation conversation, final Bundle extras) {
3589        QuickLoader.set(conversation.getUuid());
3590        final boolean changedConversation = this.conversation != conversation;
3591        if (changedConversation) {
3592            this.saveMessageDraftStopAudioPlayer();
3593        }
3594        this.clearPending();
3595        if (this.reInit(conversation, extras != null, extras != null && extras.getString(ConversationsActivity.EXTRA_MESSAGE_UUID) != null)) {
3596            if (extras != null) {
3597                processExtras(extras);
3598            }
3599            this.reInitRequiredOnStart = false;
3600        } else {
3601            this.reInitRequiredOnStart = true;
3602            pendingExtras.push(extras);
3603        }
3604        resetUnreadMessagesCount();
3605    }
3606
3607    private void reInit(Conversation conversation) {
3608        reInit(conversation, false, false);
3609        if (activity != null) {
3610            activity.getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_ADJUST_PAN);
3611        }
3612    }
3613
3614    private boolean reInit(final Conversation conversation, final boolean hasExtras, final boolean hasMessageUUID) {
3615        if (conversation == null) {
3616            return false;
3617        }
3618        final Conversation originalConversation = this.conversation;
3619        this.conversation = conversation;
3620        // once we set the conversation all is good and it will automatically do the right thing in
3621        // onStart()
3622        if (this.activity == null || this.binding == null) {
3623            return false;
3624        }
3625
3626        if (!activity.xmppConnectionService.isConversationStillOpen(this.conversation)) {
3627            activity.onConversationArchived(this.conversation);
3628            return false;
3629        }
3630
3631        final var cursord = activity.getDrawable(R.drawable.cursor_on_tertiary_container);
3632        if (activity.xmppConnectionService != null && activity.xmppConnectionService.getAccounts().size() > 1) {
3633            final var bg = MaterialColors.getColor(binding.textinput, com.google.android.material.R.attr.colorSurface);
3634            final var accountColor = conversation.getAccount().getColor(activity.isDark());
3635            final var colors = MaterialColors.getColorRoles(activity, accountColor);
3636            final var accent = activity.isDark() ? ColorUtils.blendARGB(colors.getAccentContainer(), bg, 1.0f - Math.max(0.25f, Color.alpha(accountColor) / 255.0f)) : colors.getAccentContainer();
3637            cursord.setTintList(ColorStateList.valueOf(colors.getOnAccentContainer()));
3638            binding.inputLayout.setBackgroundTintList(ColorStateList.valueOf(accent));
3639            binding.textinputSubject.setTextColor(colors.getOnAccentContainer());
3640            binding.textinput.setTextColor(colors.getOnAccentContainer());
3641            binding.textinputSubject.setHintTextColor(ColorStateList.valueOf(colors.getOnAccentContainer()).withAlpha(115));
3642            binding.textinput.setHintTextColor(ColorStateList.valueOf(colors.getOnAccentContainer()).withAlpha(115));
3643            binding.textInputHint.setTextColor(colors.getOnAccentContainer());
3644        } else {
3645            cursord.setTintList(ColorStateList.valueOf(MaterialColors.getColor(binding.textinput, com.google.android.material.R.attr.colorOnTertiaryContainer)));
3646            binding.inputLayout.setBackgroundTintList(ColorStateList.valueOf(MaterialColors.getColor(binding.inputLayout, com.google.android.material.R.attr.colorTertiaryContainer)));
3647            binding.textinputSubject.setTextColor(MaterialColors.getColor(binding.textinputSubject, com.google.android.material.R.attr.colorOnTertiaryContainer));
3648            binding.textinput.setTextColor(MaterialColors.getColor(binding.textinput, com.google.android.material.R.attr.colorOnTertiaryContainer));
3649            binding.textinputSubject.setHintTextColor(R.color.hint_on_tertiary_container);
3650            binding.textinput.setHintTextColor(R.color.hint_on_tertiary_container);
3651            binding.textInputHint.setTextColor(MaterialColors.getColor(binding.textInputHint, com.google.android.material.R.attr.colorOnTertiaryContainer));
3652        }
3653        if (Build.VERSION.SDK_INT >= 29) {
3654            binding.textinputSubject.setTextCursorDrawable(cursord);
3655            binding.textinput.setTextCursorDrawable(cursord);
3656        }
3657
3658        setThread(conversation.getThread());
3659        setupReply(conversation.getReplyTo());
3660
3661        stopScrolling();
3662        Log.d(Config.LOGTAG, "reInit(hasExtras=" + hasExtras + ")");
3663
3664        if (this.conversation.isRead(activity == null ? null : activity.xmppConnectionService) && hasExtras) {
3665            Log.d(Config.LOGTAG, "trimming conversation");
3666            this.conversation.trim();
3667        }
3668
3669        setupIme();
3670
3671        final boolean scrolledToBottomAndNoPending =
3672                this.scrolledToBottom() && pendingScrollState.peek() == null;
3673
3674        this.binding.textSendButton.setContentDescription(
3675                activity.getString(R.string.send_message_to_x, conversation.getName()));
3676        this.binding.textinput.setKeyboardListener(null);
3677        this.binding.textinputSubject.setKeyboardListener(null);
3678        final boolean participating =
3679                conversation.getMode() == Conversational.MODE_SINGLE
3680                        || conversation.getMucOptions().participating();
3681        if (participating) {
3682            this.binding.textinput.setText(this.conversation.getNextMessage());
3683            this.binding.textinput.setSelection(this.binding.textinput.length());
3684        } else {
3685            this.binding.textinput.setText(MessageUtils.EMPTY_STRING);
3686        }
3687        this.binding.textinput.setKeyboardListener(this);
3688        this.binding.textinputSubject.setKeyboardListener(this);
3689        messageListAdapter.updatePreferences();
3690        refresh(false);
3691        activity.invalidateOptionsMenu();
3692        this.conversation.messagesLoaded.set(true);
3693        Log.d(Config.LOGTAG, "scrolledToBottomAndNoPending=" + scrolledToBottomAndNoPending);
3694
3695        if (!hasMessageUUID && (hasExtras || scrolledToBottomAndNoPending)) {
3696            resetUnreadMessagesCount();
3697            synchronized (this.messageList) {
3698                Log.d(Config.LOGTAG, "jump to first unread message");
3699                final Message first = conversation.getFirstUnreadMessage();
3700                final int bottom = Math.max(0, this.messageList.size() - 1);
3701                final int pos;
3702                final boolean jumpToBottom;
3703                if (first == null) {
3704                    pos = bottom;
3705                    jumpToBottom = true;
3706                } else {
3707                    int i = getIndexOf(first.getUuid(), this.messageList);
3708                    pos = i < 0 ? bottom : i;
3709                    jumpToBottom = false;
3710                }
3711                setSelection(pos, jumpToBottom);
3712            }
3713        }
3714
3715        this.binding.messagesView.post(this::fireReadEvent);
3716        // TODO if we only do this when this fragment is running on main it won't *bing* in tablet
3717        // layout which might be unnecessary since we can *see* it
3718        activity.xmppConnectionService
3719                .getNotificationService()
3720                .setOpenConversation(this.conversation);
3721
3722        if (commandAdapter != null && conversation != originalConversation) {
3723            commandAdapter.clear();
3724            conversation.setupViewPager(binding.conversationViewPager, binding.tabLayout, activity.xmppConnectionService.isOnboarding(), originalConversation);
3725            refreshCommands(false);
3726        }
3727        if (commandAdapter == null && conversation != null) {
3728            conversation.setupViewPager(binding.conversationViewPager, binding.tabLayout, activity.xmppConnectionService.isOnboarding(), null);
3729            commandAdapter = new CommandAdapter((XmppActivity) getActivity());
3730            binding.commandsView.setAdapter(commandAdapter);
3731            binding.commandsView.setOnItemClickListener((parent, view, position, id) -> {
3732                if (activity == null) return;
3733
3734                commandAdapter.getItem(position).start(activity, ConversationFragment.this.conversation);
3735            });
3736            refreshCommands(false);
3737        }
3738        binding.commandsNote.setVisibility(activity.xmppConnectionService.isOnboarding() ? View.VISIBLE : View.GONE);
3739        replyJumps.clear();
3740        return true;
3741    }
3742
3743    @Override
3744    public void refreshForNewCaps(final Set<Jid> newCapsJids) {
3745        if (newCapsJids.isEmpty() || (conversation != null && newCapsJids.contains(conversation.getJid().asBareJid()))) {
3746            refreshCommands(true);
3747        }
3748    }
3749
3750    protected void refreshCommands(boolean delayShow) {
3751        if (commandAdapter == null) return;
3752
3753        final CommandAdapter.MucConfig mucConfig =
3754            conversation.getMucOptions().getSelf().ranks(Affiliation.OWNER) ?
3755            new CommandAdapter.MucConfig() :
3756            null;
3757
3758        Jid commandJid = conversation.getContact().resourceWhichSupport(Namespace.COMMANDS);
3759        if (commandJid == null && conversation.getMode() == Conversation.MODE_MULTI && conversation.getMucOptions().hasFeature(Namespace.COMMANDS)) {
3760            commandJid = conversation.getJid().asBareJid();
3761        }
3762        if (commandJid == null && conversation.getJid().isDomainJid()) {
3763            commandJid = conversation.getJid();
3764        }
3765        if (commandJid == null) {
3766            binding.commandsViewProgressbar.setVisibility(View.GONE);
3767            if (mucConfig == null) {
3768                conversation.hideViewPager();
3769            } else {
3770                commandAdapter.clear();
3771                commandAdapter.add(mucConfig);
3772                conversation.showViewPager();
3773            }
3774        } else {
3775            if (!delayShow) conversation.showViewPager();
3776            binding.commandsViewProgressbar.setVisibility(View.VISIBLE);
3777            final var discoManager = conversation.getAccount().getXmppConnection().getManager(DiscoManager.class);
3778            final var future = discoManager.items(Entity.discoItem(commandJid), Namespace.COMMANDS);
3779            Futures.addCallback(
3780                    future,
3781                    new FutureCallback<>() {
3782                        @Override
3783                        public void onSuccess(Collection<Item> result) {
3784                            if (activity == null) return;
3785
3786                            activity.runOnUiThread(() -> {
3787                                binding.commandsViewProgressbar.setVisibility(View.GONE);
3788                                commandAdapter.clear();
3789                                for (final var command : result) {
3790                                    commandAdapter.add(new CommandAdapter.Command0050(command));
3791                                }
3792
3793                                if (mucConfig != null) commandAdapter.add(mucConfig);
3794
3795                                if (commandAdapter.getCount() < 1) {
3796                                    conversation.hideViewPager();
3797                                } else if (delayShow) {
3798                                    conversation.showViewPager();
3799                                }
3800                            });
3801
3802                        }
3803
3804                        @Override
3805                        public void onFailure(@NonNull Throwable throwable) {
3806                            Log.d(Config.LOGTAG, "Failed to get commands: " + throwable);
3807
3808                            if (activity == null) return;
3809
3810                            activity.runOnUiThread(() -> {
3811                                binding.commandsViewProgressbar.setVisibility(View.GONE);
3812                                commandAdapter.clear();
3813
3814                                if (mucConfig != null) commandAdapter.add(mucConfig);
3815
3816                                if (commandAdapter.getCount() < 1) {
3817                                    conversation.hideViewPager();
3818                                } else if (delayShow) {
3819                                    conversation.showViewPager();
3820                                }
3821                            });
3822                        }
3823                    },
3824                    MoreExecutors.directExecutor()
3825            );
3826        }
3827    }
3828
3829    private void resetUnreadMessagesCount() {
3830        lastMessageUuid = null;
3831        hideUnreadMessagesCount();
3832    }
3833
3834    private void hideUnreadMessagesCount() {
3835        if (this.binding == null) {
3836            return;
3837        }
3838        this.binding.scrollToBottomButton.setEnabled(false);
3839        this.binding.scrollToBottomButton.hide();
3840        replyJumps.clear();
3841        this.binding.unreadCountCustomView.setVisibility(View.GONE);
3842    }
3843
3844    private void setSelection(int pos, boolean jumpToBottom) {
3845        ListViewUtils.setSelection(this.binding.messagesView, pos, jumpToBottom);
3846        this.binding.messagesView.post(
3847                () -> ListViewUtils.setSelection(this.binding.messagesView, pos, jumpToBottom));
3848        this.binding.messagesView.post(this::fireReadEvent);
3849    }
3850
3851    private boolean scrolledToBottom() {
3852        return !conversation.isInHistoryPart() && this.binding != null && scrolledToBottom(this.binding.messagesView);
3853    }
3854
3855    private void processExtras(final Bundle extras) {
3856        final String downloadUuid = extras.getString(ConversationsActivity.EXTRA_DOWNLOAD_UUID);
3857        final String text = extras.getString(Intent.EXTRA_TEXT);
3858        final String nick = extras.getString(ConversationsActivity.EXTRA_NICK);
3859        final String node = extras.getString(ConversationsActivity.EXTRA_NODE);
3860        final String postInitAction =
3861                extras.getString(ConversationsActivity.EXTRA_POST_INIT_ACTION);
3862        final boolean asQuote = extras.getBoolean(ConversationsActivity.EXTRA_AS_QUOTE);
3863        final boolean pm = extras.getBoolean(ConversationsActivity.EXTRA_IS_PRIVATE_MESSAGE, false);
3864        final boolean doNotAppend =
3865                extras.getBoolean(ConversationsActivity.EXTRA_DO_NOT_APPEND, false);
3866        final String type = extras.getString(ConversationsActivity.EXTRA_TYPE);
3867
3868        final String thread = extras.getString(ConversationsActivity.EXTRA_THREAD);
3869        if (thread != null) {
3870            conversation.setLockThread(true);
3871            backPressedLeaveSingleThread.setEnabled(true);
3872            setThread(new Element("thread").setContent(thread));
3873            refresh();
3874        }
3875
3876        final List<Uri> uris = extractUris(extras);
3877        if (uris != null && uris.size() > 0) {
3878            if (uris.size() == 1 && "geo".equals(uris.get(0).getScheme())) {
3879                mediaPreviewAdapter.addMediaPreviews(
3880                        Attachment.of(getActivity(), uris.get(0), Attachment.Type.LOCATION));
3881            } else {
3882                final List<Uri> cleanedUris = cleanUris(new ArrayList<>(uris));
3883                mediaPreviewAdapter.addMediaPreviews(
3884                        Attachment.of(getActivity(), cleanedUris, type));
3885            }
3886            toggleInputMethod();
3887            return;
3888        }
3889        if (nick != null) {
3890            if (pm) {
3891                Jid jid = conversation.getJid();
3892                try {
3893                    Jid next = Jid.of(jid.getLocal(), jid.getDomain(), nick);
3894                    privateMessageWith(next);
3895                } catch (final IllegalArgumentException ignored) {
3896                    // do nothing
3897                }
3898            } else {
3899                final MucOptions mucOptions = conversation.getMucOptions();
3900                if (mucOptions.participating() || conversation.getNextCounterpart() != null) {
3901                    highlightInConference(nick);
3902                }
3903            }
3904        } else {
3905            if (text != null && Patterns.URI_GEO.matcher(text).matches()) {
3906                mediaPreviewAdapter.addMediaPreviews(
3907                        Attachment.of(getActivity(), Uri.parse(text), Attachment.Type.LOCATION));
3908                toggleInputMethod();
3909                return;
3910            } else if (text != null && asQuote) {
3911                quoteText(text);
3912            } else {
3913                appendText(text, doNotAppend);
3914            }
3915        }
3916        if (ConversationsActivity.POST_ACTION_RECORD_VOICE.equals(postInitAction)) {
3917            attachFile(ATTACHMENT_CHOICE_RECORD_VOICE, false);
3918            return;
3919        }
3920        if ("call".equals(postInitAction)) {
3921            checkPermissionAndTriggerAudioCall();
3922        }
3923        if ("message".equals(postInitAction)) {
3924            binding.conversationViewPager.post(() -> {
3925                binding.conversationViewPager.setCurrentItem(0);
3926            });
3927        }
3928        if ("command".equals(postInitAction)) {
3929            binding.conversationViewPager.post(() -> {
3930                PagerAdapter adapter = binding.conversationViewPager.getAdapter();
3931                if (adapter != null && adapter.getCount() > 1) {
3932                    binding.conversationViewPager.setCurrentItem(1);
3933                }
3934                final String jid = extras.getString(ConversationsActivity.EXTRA_JID);
3935                Jid commandJid = null;
3936                if (jid != null) {
3937                    try {
3938                        commandJid = Jid.of(jid);
3939                    } catch (final IllegalArgumentException e) { }
3940                }
3941                if (commandJid == null || !commandJid.isFullJid()) {
3942                    final Jid discoJid = conversation.getContact().resourceWhichSupport(Namespace.COMMANDS);
3943                    if (discoJid != null) commandJid = discoJid;
3944                }
3945                if (node != null && commandJid != null && activity != null) {
3946                    conversation.startCommand(commandFor(commandJid, node), activity.xmppConnectionService);
3947                }
3948            });
3949            return;
3950        }
3951        Message message =
3952                downloadUuid == null ? null : conversation.findMessageWithFileAndUuid(downloadUuid);
3953        if ("webxdc".equals(postInitAction)) {
3954            if (message == null) {
3955                message = activity.xmppConnectionService.getMessage(conversation, downloadUuid);
3956            }
3957            if (message == null) return;
3958
3959            Conversation conversation = (Conversation) message.getConversation();
3960            if (!conversation.switchToSession("webxdc\0" + message.getUuid())) {
3961                Cid webxdcCid = message.getFileParams().getCids().get(0);
3962                conversation.startWebxdc(new WebxdcPage(activity, webxdcCid, message));
3963            }
3964        }
3965        if (message != null) {
3966            startDownloadable(message);
3967        }
3968        if (activity.xmppConnectionService.isOnboarding() && conversation.getJid().equals(Jid.of("cheogram.com"))) {
3969            if (!conversation.switchToSession("jabber:iq:register")) {
3970                conversation.startCommand(commandFor(Jid.of("cheogram.com/CHEOGRAM%jabber:iq:register"), "jabber:iq:register"), activity.xmppConnectionService);
3971            }
3972        }
3973        String messageUuid = extras.getString(ConversationsActivity.EXTRA_MESSAGE_UUID);
3974        if (messageUuid != null) {
3975            Runnable postSelectionRunnable = () -> highlightMessage(messageUuid);
3976            updateSelection(messageUuid, binding.messagesView.getHeight() / 2, postSelectionRunnable, false, false);
3977        }
3978    }
3979
3980    private Element commandFor(final Jid jid, final String node) {
3981        if (commandAdapter != null) {
3982            for (int i = 0; i < commandAdapter.getCount(); i++) {
3983                final CommandAdapter.Command c = commandAdapter.getItem(i);
3984                if (!(c instanceof CommandAdapter.Command0050)) continue;
3985
3986                final Element command = ((CommandAdapter.Command0050) c).el;
3987                final String commandNode = command.getAttribute("node");
3988                if (commandNode == null || !commandNode.equals(node)) continue;
3989
3990                final Jid commandJid = command.getAttributeAsJid("jid");
3991                if (commandJid != null && !commandJid.asBareJid().equals(jid.asBareJid())) continue;
3992
3993                return command;
3994            }
3995        }
3996
3997        return new Element("command", Namespace.COMMANDS).setAttribute("name", node).setAttribute("node", node).setAttribute("jid", jid);
3998    }
3999
4000    private List<Uri> extractUris(final Bundle extras) {
4001        final List<Uri> uris = extras.getParcelableArrayList(Intent.EXTRA_STREAM);
4002        if (uris != null) {
4003            return uris;
4004        }
4005        final Uri uri = extras.getParcelable(Intent.EXTRA_STREAM);
4006        if (uri != null) {
4007            return Collections.singletonList(uri);
4008        } else {
4009            return null;
4010        }
4011    }
4012
4013    private List<Uri> cleanUris(final List<Uri> uris) {
4014        final Iterator<Uri> iterator = uris.iterator();
4015        while (iterator.hasNext()) {
4016            final Uri uri = iterator.next();
4017            if (FileBackend.dangerousFile(uri)) {
4018                iterator.remove();
4019                Toast.makeText(
4020                                requireActivity(),
4021                                R.string.security_violation_not_attaching_file,
4022                                Toast.LENGTH_SHORT)
4023                        .show();
4024            }
4025        }
4026        return uris;
4027    }
4028
4029    private boolean showBlockSubmenu(View view) {
4030        final Jid jid = conversation.getJid();
4031        final int mode = conversation.getMode();
4032        final var contact = mode == Conversation.MODE_SINGLE ? conversation.getContact() : null;
4033        final boolean showReject = contact.getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST);
4034        PopupMenu popupMenu = new PopupMenu(getActivity(), view);
4035        popupMenu.inflate(R.menu.block);
4036        popupMenu.getMenu().findItem(R.id.block_contact).setVisible(jid.getLocal() != null);
4037        popupMenu.getMenu().findItem(R.id.reject).setVisible(showReject);
4038        popupMenu.getMenu().findItem(R.id.add_contact).setVisible(!contact.showInRoster());
4039        popupMenu.setOnMenuItemClickListener(
4040                menuItem -> {
4041                    Blockable blockable;
4042                    switch (menuItem.getItemId()) {
4043                        case R.id.reject:
4044                            activity.xmppConnectionService.stopPresenceUpdatesTo(
4045                                    conversation.getContact());
4046                            updateSnackBar(conversation);
4047                            return true;
4048                        case R.id.add_contact:
4049                            mAddBackClickListener.onClick(view);
4050                            return true;
4051                        // case R.id.block_domain:
4052                        //     blockable =
4053                        //             conversation
4054                        //                     .getAccount()
4055                        //                     .getRoster()
4056                        //                     .getContact(jid.getDomain());
4057                        //     break;
4058                        default:
4059                            blockable = conversation;
4060                    }
4061                    BlockContactDialog.show(activity, blockable);
4062                    return true;
4063                });
4064        popupMenu.show();
4065        return true;
4066    }
4067
4068    private boolean showBlockMucSubmenu(View view) {
4069        final var jid = conversation.getJid();
4070        final var popupMenu = new PopupMenu(getActivity(), view);
4071        popupMenu.inflate(R.menu.block_muc);
4072        popupMenu.getMenu().findItem(R.id.block_contact).setVisible(jid.getLocal() != null);
4073        popupMenu.setOnMenuItemClickListener(
4074                menuItem -> {
4075                    Blockable blockable;
4076                    switch (menuItem.getItemId()) {
4077                        case R.id.reject:
4078                            activity.xmppConnectionService.clearConversationHistory(conversation);
4079                            activity.xmppConnectionService.archiveConversation(conversation);
4080                            return true;
4081                        case R.id.add_bookmark:
4082                            conversation.getAccount().getXmppConnection().getManager(BookmarkManager.class).save(conversation, "");
4083                            updateSnackBar(conversation);
4084                            return true;
4085                        case R.id.block_contact:
4086                            blockable =
4087                                    conversation
4088                                            .getAccount()
4089                                            .getRoster()
4090                                            .getContact(Jid.of(conversation.getAttribute("inviter")));
4091                            break;
4092                        default:
4093                            blockable = conversation;
4094                    }
4095                    BlockContactDialog.show(activity, blockable);
4096                    activity.xmppConnectionService.archiveConversation(conversation);
4097                    return true;
4098                });
4099        popupMenu.show();
4100        return true;
4101    }
4102
4103    private void updateSnackBar(final Conversation conversation) {
4104        final Account account = conversation.getAccount();
4105        final XmppConnection connection = account.getXmppConnection();
4106        final int mode = conversation.getMode();
4107        final Contact contact = mode == Conversation.MODE_SINGLE ? conversation.getContact() : null;
4108        if (conversation.getStatus() == Conversation.STATUS_ARCHIVED) {
4109            return;
4110        }
4111        if (account.getStatus() == Account.State.DISABLED) {
4112            showSnackbar(
4113                    R.string.this_account_is_disabled,
4114                    R.string.enable,
4115                    this.mEnableAccountListener);
4116        } else if (account.getStatus() == Account.State.LOGGED_OUT) {
4117            showSnackbar(
4118                    R.string.this_account_is_logged_out,
4119                    R.string.log_in,
4120                    this.mEnableAccountListener);
4121        } else if (conversation.isBlocked()) {
4122            showSnackbar(R.string.contact_blocked, R.string.unblock, this.mUnblockClickListener);
4123        } else if (account.getStatus() == Account.State.CONNECTING) {
4124            showSnackbar(R.string.this_account_is_connecting, 0, null);
4125        } else if (account.getStatus() != Account.State.ONLINE) {
4126            showSnackbar(R.string.this_account_is_offline, 0, null);
4127        } else if (contact != null
4128                && !contact.showInRoster()
4129                && contact.getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)) {
4130            showSnackbar(
4131                    R.string.contact_added_you,
4132                    R.string.options,
4133                    this.mBlockClickListener,
4134                    this.mLongPressBlockListener);
4135        } else if (contact != null
4136                && contact.getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)) {
4137            showSnackbar(
4138                    R.string.contact_asks_for_presence_subscription,
4139                    R.string.allow,
4140                    this.mAllowPresenceSubscription,
4141                    this.mLongPressBlockListener);
4142        } else if (mode == Conversation.MODE_MULTI
4143                && !conversation.getMucOptions().online()
4144                && account.getStatus() == Account.State.ONLINE) {
4145            switch (conversation.getMucOptions().getError()) {
4146                case NICK_IN_USE:
4147                    showSnackbar(R.string.nick_in_use, R.string.edit, clickToMuc);
4148                    break;
4149                case NO_RESPONSE:
4150                    showSnackbar(R.string.joining_conference, 0, null);
4151                    break;
4152                case SERVER_NOT_FOUND:
4153                    if (conversation.receivedMessagesCount() > 0) {
4154                        showSnackbar(R.string.remote_server_not_found, R.string.try_again, joinMuc);
4155                    } else {
4156                        showSnackbar(R.string.remote_server_not_found, R.string.leave, leaveMuc);
4157                    }
4158                    break;
4159                case REMOTE_SERVER_TIMEOUT:
4160                    if (conversation.receivedMessagesCount() > 0) {
4161                        showSnackbar(R.string.remote_server_timeout, R.string.try_again, joinMuc);
4162                    } else {
4163                        showSnackbar(R.string.remote_server_timeout, R.string.leave, leaveMuc);
4164                    }
4165                    break;
4166                case PASSWORD_REQUIRED:
4167                    showSnackbar(
4168                            R.string.conference_requires_password,
4169                            R.string.enter_password,
4170                            enterPassword);
4171                    break;
4172                case BANNED:
4173                    showSnackbar(R.string.conference_banned, R.string.leave, leaveMuc);
4174                    break;
4175                case MEMBERS_ONLY:
4176                    showSnackbar(R.string.conference_members_only, R.string.leave, leaveMuc);
4177                    break;
4178                case RESOURCE_CONSTRAINT:
4179                    showSnackbar(
4180                            R.string.conference_resource_constraint, R.string.try_again, joinMuc);
4181                    break;
4182                case KICKED:
4183                    showSnackbar(R.string.conference_kicked, R.string.join, joinMuc);
4184                    break;
4185                case TECHNICAL_PROBLEMS:
4186                    showSnackbar(
4187                            R.string.conference_technical_problems, R.string.try_again, joinMuc);
4188                    break;
4189                case UNKNOWN:
4190                    showSnackbar(R.string.conference_unknown_error, R.string.try_again, joinMuc);
4191                    break;
4192                case INVALID_NICK:
4193                    showSnackbar(R.string.invalid_muc_nick, R.string.edit, clickToMuc);
4194                case SHUTDOWN:
4195                    showSnackbar(R.string.conference_shutdown, R.string.try_again, joinMuc);
4196                    break;
4197                case DESTROYED:
4198                    showSnackbar(R.string.conference_destroyed, R.string.leave, leaveMuc);
4199                    break;
4200                case NON_ANONYMOUS:
4201                    showSnackbar(
4202                            R.string.group_chat_will_make_your_jabber_id_public,
4203                            R.string.join,
4204                            acceptJoin);
4205                    break;
4206                default:
4207                    hideSnackbar();
4208                    break;
4209            }
4210        } else if (account.hasPendingPgpIntent(conversation)) {
4211            showSnackbar(R.string.openpgp_messages_found, R.string.decrypt, clickToDecryptListener);
4212        } else if (connection != null
4213                && connection.getFeatures().blocking()
4214                && conversation.strangerInvited()) {
4215            showSnackbar(
4216                    R.string.received_invite_from_stranger,
4217                    R.string.options,
4218                    (v) -> showBlockMucSubmenu(v),
4219                    (v) -> showBlockMucSubmenu(v));
4220        } else if (connection != null
4221                && connection.getFeatures().blocking()
4222                && conversation.countMessages() != 0
4223                && !conversation.isBlocked()
4224                && conversation.isWithStranger()) {
4225            showSnackbar(
4226                    R.string.received_message_from_stranger,
4227                    R.string.options,
4228                    this.mBlockClickListener,
4229                    this.mLongPressBlockListener);
4230        } else {
4231            hideSnackbar();
4232        }
4233    }
4234
4235    @Override
4236    public void refresh() {
4237        if (this.binding == null) {
4238            Log.d(
4239                    Config.LOGTAG,
4240                    "ConversationFragment.refresh() skipped updated because view binding was null");
4241            return;
4242        }
4243        if (this.conversation != null
4244                && this.activity != null
4245                && this.activity.xmppConnectionService != null) {
4246            if (!activity.xmppConnectionService.isConversationStillOpen(this.conversation)) {
4247                activity.onConversationArchived(this.conversation);
4248                return;
4249            }
4250        }
4251        this.refresh(true);
4252    }
4253
4254    private void refresh(boolean notifyConversationRead) {
4255        synchronized (this.messageList) {
4256            if (this.conversation != null) {
4257                if (messageListAdapter.hasSelection()) {
4258                    if (notifyConversationRead) binding.messagesView.postDelayed(this::refresh, 1000L);
4259                } else {
4260                    conversation.populateWithMessages(this.messageList, activity == null ? null : activity.xmppConnectionService);
4261                    try {
4262                        updateStatusMessages();
4263                    } catch (IllegalStateException e) {
4264                        Log.e(Config.LOGTAG, "Problem updating status messages on refresh: " + e);
4265                    }
4266                    this.messageListAdapter.notifyDataSetChanged();
4267                }
4268                if (conversation.getReceivedMessagesCountSinceUuid(lastMessageUuid) != 0) {
4269                    binding.unreadCountCustomView.setVisibility(View.VISIBLE);
4270                    binding.unreadCountCustomView.setUnreadCount(
4271                            conversation.getReceivedMessagesCountSinceUuid(lastMessageUuid));
4272                }
4273                updateSnackBar(conversation);
4274                if (activity != null) updateChatMsgHint();
4275                if (notifyConversationRead && activity != null) {
4276                    binding.messagesView.post(this::fireReadEvent);
4277                }
4278                updateSendButton();
4279                updateEditablity();
4280                conversation.refreshSessions();
4281            }
4282        }
4283    }
4284
4285    protected void messageSent() {
4286        binding.textinputSubject.setText("");
4287        binding.textinputSubject.setVisibility(View.GONE);
4288        setThread(null);
4289        setupReply(null);
4290        conversation.setUserSelectedThread(false);
4291        mSendingPgpMessage.set(false);
4292        this.binding.textinput.setText("");
4293        if (conversation.setCorrectingMessage(null)) {
4294            this.binding.textinput.append(conversation.getDraftMessage());
4295            conversation.setDraftMessage(null);
4296        }
4297        storeNextMessage();
4298        updateChatMsgHint();
4299        if (activity == null) return;
4300        SharedPreferences p = PreferenceManager.getDefaultSharedPreferences(activity);
4301        final boolean prefScrollToBottom =
4302                p.getBoolean(
4303                        "scroll_to_bottom",
4304                        activity.getResources().getBoolean(R.bool.scroll_to_bottom));
4305        if (prefScrollToBottom || scrolledToBottom()) {
4306            new Handler()
4307                    .post(
4308                            () -> {
4309                                int size = messageList.size();
4310                                this.binding.messagesView.setSelection(size - 1);
4311                            });
4312        }
4313    }
4314
4315    private boolean storeNextMessage() {
4316        return storeNextMessage(this.binding.textinput.getText().toString());
4317    }
4318
4319    private boolean storeNextMessage(String msg) {
4320        final boolean participating =
4321                conversation.getMode() == Conversational.MODE_SINGLE
4322                        || conversation.getMucOptions().participating();
4323        if (this.conversation.getStatus() != Conversation.STATUS_ARCHIVED
4324                && participating
4325                && this.conversation.setNextMessage(msg) && activity != null) {
4326            activity.xmppConnectionService.updateConversation(this.conversation);
4327            return true;
4328        }
4329        return false;
4330    }
4331
4332    public void doneSendingPgpMessage() {
4333        mSendingPgpMessage.set(false);
4334    }
4335
4336    public Long getMaxHttpUploadSize(final Conversation conversation) {
4337
4338        final var connection = conversation.getAccount().getXmppConnection();
4339        final var httpUploadService = connection.getManager(HttpUploadManager.class).getService();
4340        if (httpUploadService == null) {
4341            return -1L;
4342        }
4343        return httpUploadService.getMaxFileSize();
4344    }
4345
4346    private boolean canWrite() {
4347        return
4348                this.conversation.getMode() == Conversation.MODE_SINGLE
4349                        || this.conversation.getMucOptions().participating()
4350                        || this.conversation.getNextCounterpart() != null;
4351    }
4352
4353    private void updateEditablity() {
4354        boolean canWrite = canWrite();
4355        this.binding.textinput.setFocusable(canWrite);
4356        this.binding.textinput.setFocusableInTouchMode(canWrite);
4357        this.binding.textSendButton.setEnabled(canWrite);
4358        this.binding.textSendButton.setVisibility(canWrite ? View.VISIBLE : View.GONE);
4359        this.binding.requestVoice.setVisibility(canWrite ? View.GONE : View.VISIBLE);
4360        this.binding.textinput.setCursorVisible(canWrite);
4361        this.binding.textinput.setEnabled(canWrite);
4362    }
4363
4364    public void updateSendButton() {
4365        boolean hasAttachments =
4366                mediaPreviewAdapter != null && mediaPreviewAdapter.hasAttachments();
4367        final Conversation c = this.conversation;
4368        final Presence.Availability status;
4369        final String text =
4370                this.binding.textinput == null ? "" : this.binding.textinput.getText().toString();
4371        final SendButtonAction action;
4372        if (hasAttachments) {
4373            action = SendButtonAction.TEXT;
4374        } else {
4375            action = SendButtonTool.getAction(getActivity(), c, text, binding.textinputSubject.getText().toString());
4376        }
4377        if (c.getAccount().getStatus() == Account.State.ONLINE) {
4378            if (activity != null
4379                    && activity.xmppConnectionService != null
4380                    && activity.xmppConnectionService.getMessageArchiveService().isCatchingUp(c)) {
4381                status = Presence.Availability.OFFLINE;
4382            } else if (c.getMode() == Conversation.MODE_SINGLE) {
4383                status = c.getContact().getShownStatus();
4384            } else {
4385                status =
4386                        c.getMucOptions().online()
4387                                ? Presence.Availability.ONLINE
4388                                : Presence.Availability.OFFLINE;
4389            }
4390        } else {
4391            status = Presence.Availability.OFFLINE;
4392        }
4393        this.binding.textSendButton.setTag(action);
4394        this.binding.textSendButton.setIconTint(ColorStateList.valueOf(SendButtonTool.getSendButtonColor(this.binding.textSendButton, status)));
4395        // TODO send button color
4396        final Activity activity = getActivity();
4397        if (activity != null) {
4398            this.binding.textSendButton.setIconResource(
4399                    SendButtonTool.getSendButtonImageResource(action, text.length() > 0 || hasAttachments || (c.getThread() != null && binding.textinputSubject.getText().length() > 0)));
4400        }
4401
4402        ViewGroup.LayoutParams params = binding.threadIdenticonLayout.getLayoutParams();
4403        if (identiconWidth < 0) identiconWidth = params.width;
4404        if (hasAttachments || binding.textinput.getText().toString().replaceFirst("^(\\w|[, ])+:\\s*", "").length() > 0) {
4405            binding.conversationViewPager.setCurrentItem(0);
4406            params.width = conversation.getThread() == null ? 0 : identiconWidth;
4407        } else {
4408            params.width = identiconWidth;
4409        }
4410        if (!canWrite()) params.width = 0;
4411        binding.threadIdenticonLayout.setLayoutParams(params);
4412    }
4413
4414    protected void updateStatusMessages() {
4415        DateSeparator.addAll(this.messageList);
4416        if (showLoadMoreMessages(conversation)) {
4417            this.messageList.add(0, Message.createLoadMoreMessage(conversation));
4418        }
4419        if (conversation.getMode() == Conversation.MODE_SINGLE) {
4420            ChatState state = conversation.getIncomingChatState();
4421            if (state == ChatState.COMPOSING) {
4422                this.messageList.add(
4423                        Message.createStatusMessage(
4424                                conversation,
4425                                getString(R.string.contact_is_typing, conversation.getName())));
4426            } else if (state == ChatState.PAUSED) {
4427                this.messageList.add(
4428                        Message.createStatusMessage(
4429                                conversation,
4430                                getString(
4431                                        R.string.contact_has_stopped_typing,
4432                                        conversation.getName())));
4433            } else {
4434                for (int i = this.messageList.size() - 1; i >= 0; --i) {
4435                    final Message message = this.messageList.get(i);
4436                    if (message.getType() != Message.TYPE_STATUS) {
4437                        if (message.getStatus() == Message.STATUS_RECEIVED) {
4438                            return;
4439                        } else {
4440                            if (message.getStatus() == Message.STATUS_SEND_DISPLAYED) {
4441                                this.messageList.add(
4442                                        i + 1,
4443                                        Message.createStatusMessage(
4444                                                conversation,
4445                                                getString(
4446                                                        R.string.contact_has_read_up_to_this_point,
4447                                                        conversation.getName())));
4448                                return;
4449                            }
4450                        }
4451                    }
4452                }
4453            }
4454        } else {
4455            final MucOptions mucOptions = conversation.getMucOptions();
4456            final List<MucOptions.User> allUsers = mucOptions.getUsers();
4457            final Set<ReadByMarker> addedMarkers = new HashSet<>();
4458            ChatState state = ChatState.COMPOSING;
4459            List<MucOptions.User> users =
4460                    conversation.getMucOptions().getUsersWithChatState(state, 5);
4461            if (users.size() == 0) {
4462                state = ChatState.PAUSED;
4463                users = conversation.getMucOptions().getUsersWithChatState(state, 5);
4464            }
4465            if (mucOptions.isPrivateAndNonAnonymous()) {
4466                for (int i = this.messageList.size() - 1; i >= 0; --i) {
4467                    final Set<ReadByMarker> markersForMessage =
4468                            messageList.get(i).getReadByMarkers();
4469                    final List<MucOptions.User> shownMarkers = new ArrayList<>();
4470                    for (ReadByMarker marker : markersForMessage) {
4471                        if (!ReadByMarker.contains(marker, addedMarkers)) {
4472                            addedMarkers.add(
4473                                    marker); // may be put outside this condition. set should do
4474                            // dedup anyway
4475                            MucOptions.User user = mucOptions.findUser(marker);
4476                            if (user != null && !users.contains(user)) {
4477                                shownMarkers.add(user);
4478                            }
4479                        }
4480                    }
4481                    final ReadByMarker markerForSender = ReadByMarker.from(messageList.get(i));
4482                    final Message statusMessage;
4483                    final int size = shownMarkers.size();
4484                    if (size > 1) {
4485                        final String body;
4486                        if (size <= 4) {
4487                            body =
4488                                    getString(
4489                                            R.string.contacts_have_read_up_to_this_point,
4490                                            UIHelper.concatNames(shownMarkers));
4491                        } else if (ReadByMarker.allUsersRepresented(
4492                                allUsers, markersForMessage, markerForSender)) {
4493                            body = getString(R.string.everyone_has_read_up_to_this_point);
4494                        } else {
4495                            body =
4496                                    getString(
4497                                            R.string.contacts_and_n_more_have_read_up_to_this_point,
4498                                            UIHelper.concatNames(shownMarkers, 3),
4499                                            size - 3);
4500                        }
4501                        statusMessage = Message.createStatusMessage(conversation, body);
4502                        statusMessage.setCounterparts(shownMarkers);
4503                    } else if (size == 1) {
4504                        statusMessage =
4505                                Message.createStatusMessage(
4506                                        conversation,
4507                                        getString(
4508                                                R.string.contact_has_read_up_to_this_point,
4509                                                UIHelper.getDisplayName(shownMarkers.get(0))));
4510                        statusMessage.setCounterpart(shownMarkers.get(0).getFullJid());
4511                        statusMessage.setTrueCounterpart(shownMarkers.get(0).getRealJid());
4512                    } else {
4513                        statusMessage = null;
4514                    }
4515                    if (statusMessage != null) {
4516                        this.messageList.add(i + 1, statusMessage);
4517                    }
4518                    addedMarkers.add(markerForSender);
4519                    if (ReadByMarker.allUsersRepresented(allUsers, addedMarkers)) {
4520                        break;
4521                    }
4522                }
4523            }
4524            if (users.size() > 0) {
4525                Message statusMessage;
4526                if (users.size() == 1) {
4527                    MucOptions.User user = users.get(0);
4528                    int id =
4529                            state == ChatState.COMPOSING
4530                                    ? R.string.contact_is_typing
4531                                    : R.string.contact_has_stopped_typing;
4532                    statusMessage =
4533                            Message.createStatusMessage(
4534                                    conversation, getString(id, UIHelper.getDisplayName(user)));
4535                    statusMessage.setTrueCounterpart(user.getRealJid());
4536                    statusMessage.setCounterpart(user.getFullJid());
4537                } else {
4538                    int id =
4539                            state == ChatState.COMPOSING
4540                                    ? R.string.contacts_are_typing
4541                                    : R.string.contacts_have_stopped_typing;
4542                    statusMessage =
4543                            Message.createStatusMessage(
4544                                    conversation, getString(id, UIHelper.concatNames(users)));
4545                    statusMessage.setCounterparts(users);
4546                }
4547                this.messageList.add(statusMessage);
4548            }
4549        }
4550    }
4551
4552    private void stopScrolling() {
4553        long now = SystemClock.uptimeMillis();
4554        MotionEvent cancel = MotionEvent.obtain(now, now, MotionEvent.ACTION_CANCEL, 0, 0, 0);
4555        binding.messagesView.dispatchTouchEvent(cancel);
4556    }
4557
4558    private boolean showLoadMoreMessages(final Conversation c) {
4559        if (activity == null || activity.xmppConnectionService == null) {
4560            return false;
4561        }
4562        final boolean mam = hasMamSupport(c) && !c.getContact().isBlocked();
4563        final MessageArchiveService service =
4564                activity.xmppConnectionService.getMessageArchiveService();
4565        return mam
4566                && (c.getLastClearHistory().getTimestamp() != 0
4567                        || (c.countMessages() == 0
4568                                && c.messagesLoaded.get()
4569                                && c.hasMessagesLeftOnServer()
4570                                && !service.queryInProgress(c)));
4571    }
4572
4573    private boolean hasMamSupport(final Conversation c) {
4574        if (c.getMode() == Conversation.MODE_SINGLE) {
4575            final XmppConnection connection = c.getAccount().getXmppConnection();
4576            return connection != null && connection.getFeatures().mam();
4577        } else {
4578            return c.getMucOptions().mamSupport();
4579        }
4580    }
4581
4582    protected void showSnackbar(
4583            final int message, final int action, final OnClickListener clickListener) {
4584        showSnackbar(message, action, clickListener, null);
4585    }
4586
4587    protected void showSnackbar(
4588            final int message,
4589            final int action,
4590            final OnClickListener clickListener,
4591            final View.OnLongClickListener longClickListener) {
4592        this.binding.snackbar.setVisibility(View.VISIBLE);
4593        this.binding.snackbar.setOnClickListener(null);
4594        this.binding.snackbarMessage.setText(message);
4595        this.binding.snackbarMessage.setOnClickListener(null);
4596        this.binding.snackbarAction.setVisibility(clickListener == null ? View.GONE : View.VISIBLE);
4597        if (action != 0) {
4598            this.binding.snackbarAction.setText(action);
4599        }
4600        this.binding.snackbarAction.setOnClickListener(clickListener);
4601        this.binding.snackbarAction.setOnLongClickListener(longClickListener);
4602    }
4603
4604    protected void hideSnackbar() {
4605        this.binding.snackbar.setVisibility(View.GONE);
4606    }
4607
4608    protected void sendMessage(Message message) {
4609        new Thread(() -> activity.xmppConnectionService.sendMessage(message)).start();
4610        messageSent();
4611    }
4612
4613    protected void sendPgpMessage(final Message message) {
4614        final XmppConnectionService xmppService = activity.xmppConnectionService;
4615        final Contact contact = message.getConversation().getContact();
4616        if (!activity.hasPgp()) {
4617            activity.showInstallPgpDialog();
4618            return;
4619        }
4620        if (conversation.getAccount().getPgpSignature() == null) {
4621            activity.announcePgp(
4622                    conversation.getAccount(), conversation, null, activity.onOpenPGPKeyPublished);
4623            return;
4624        }
4625        if (!mSendingPgpMessage.compareAndSet(false, true)) {
4626            Log.d(Config.LOGTAG, "sending pgp message already in progress");
4627        }
4628        if (conversation.getMode() == Conversation.MODE_SINGLE) {
4629            if (contact.getPgpKeyId() != 0) {
4630                xmppService
4631                        .getPgpEngine()
4632                        .hasKey(
4633                                contact,
4634                                new UiCallback<Contact>() {
4635
4636                                    @Override
4637                                    public void userInputRequired(
4638                                            PendingIntent pi, Contact contact) {
4639                                        startPendingIntent(pi, REQUEST_ENCRYPT_MESSAGE);
4640                                    }
4641
4642                                    @Override
4643                                    public void success(Contact contact) {
4644                                        encryptTextMessage(message);
4645                                    }
4646
4647                                    @Override
4648                                    public void error(int error, Contact contact) {
4649                                        activity.runOnUiThread(
4650                                                () ->
4651                                                        Toast.makeText(
4652                                                                        activity,
4653                                                                        R.string
4654                                                                                .unable_to_connect_to_keychain,
4655                                                                        Toast.LENGTH_SHORT)
4656                                                                .show());
4657                                        mSendingPgpMessage.set(false);
4658                                    }
4659                                });
4660
4661            } else {
4662                showNoPGPKeyDialog(
4663                        false,
4664                        (dialog, which) -> {
4665                            conversation.setNextEncryption(Message.ENCRYPTION_NONE);
4666                            xmppService.updateConversation(conversation);
4667                            message.setEncryption(Message.ENCRYPTION_NONE);
4668                            xmppService.sendMessage(message);
4669                            messageSent();
4670                        });
4671            }
4672        } else {
4673            if (conversation.getMucOptions().pgpKeysInUse()) {
4674                if (!conversation.getMucOptions().everybodyHasKeys()) {
4675                    Toast warning =
4676                            Toast.makeText(
4677                                    getActivity(), R.string.missing_public_keys, Toast.LENGTH_LONG);
4678                    warning.setGravity(Gravity.CENTER_VERTICAL, 0, 0);
4679                    warning.show();
4680                }
4681                encryptTextMessage(message);
4682            } else {
4683                showNoPGPKeyDialog(
4684                        true,
4685                        (dialog, which) -> {
4686                            conversation.setNextEncryption(Message.ENCRYPTION_NONE);
4687                            message.setEncryption(Message.ENCRYPTION_NONE);
4688                            xmppService.updateConversation(conversation);
4689                            xmppService.sendMessage(message);
4690                            messageSent();
4691                        });
4692            }
4693        }
4694    }
4695
4696    public void encryptTextMessage(Message message) {
4697        activity.xmppConnectionService
4698                .getPgpEngine()
4699                .encrypt(
4700                        message,
4701                        new UiCallback<Message>() {
4702
4703                            @Override
4704                            public void userInputRequired(PendingIntent pi, Message message) {
4705                                startPendingIntent(pi, REQUEST_SEND_MESSAGE);
4706                            }
4707
4708                            @Override
4709                            public void success(Message message) {
4710                                // TODO the following two call can be made before the callback
4711                                getActivity().runOnUiThread(() -> messageSent());
4712                            }
4713
4714                            @Override
4715                            public void error(final int error, Message message) {
4716                                getActivity()
4717                                        .runOnUiThread(
4718                                                () -> {
4719                                                    doneSendingPgpMessage();
4720                                                    Toast.makeText(
4721                                                                    getActivity(),
4722                                                                    error == 0
4723                                                                            ? R.string
4724                                                                                    .unable_to_connect_to_keychain
4725                                                                            : error,
4726                                                                    Toast.LENGTH_SHORT)
4727                                                            .show();
4728                                                });
4729                            }
4730                        });
4731    }
4732
4733    public void showNoPGPKeyDialog(
4734            final boolean plural, final DialogInterface.OnClickListener listener) {
4735        final MaterialAlertDialogBuilder builder =
4736                new MaterialAlertDialogBuilder(requireActivity());
4737        if (plural) {
4738            builder.setTitle(getString(R.string.no_pgp_keys));
4739            builder.setMessage(getText(R.string.contacts_have_no_pgp_keys));
4740        } else {
4741            builder.setTitle(getString(R.string.no_pgp_key));
4742            builder.setMessage(getText(R.string.contact_has_no_pgp_key));
4743        }
4744        builder.setNegativeButton(getString(R.string.cancel), null);
4745        builder.setPositiveButton(getString(R.string.send_unencrypted), listener);
4746        builder.create().show();
4747    }
4748
4749    public void appendText(String text, final boolean doNotAppend) {
4750        if (text == null) {
4751            return;
4752        }
4753        final Editable editable = this.binding.textinput.getText();
4754        String previous = editable == null ? "" : editable.toString();
4755        if (doNotAppend && !TextUtils.isEmpty(previous)) {
4756            Toast.makeText(getActivity(), R.string.already_drafting_message, Toast.LENGTH_LONG)
4757                    .show();
4758            return;
4759        }
4760        if (UIHelper.isLastLineQuote(previous)) {
4761            text = '\n' + text;
4762        } else if (previous.length() != 0
4763                && !Character.isWhitespace(previous.charAt(previous.length() - 1))) {
4764            text = " " + text;
4765        }
4766        this.binding.textinput.append(text);
4767    }
4768
4769    @Override
4770    public boolean onEnterPressed(final boolean isCtrlPressed) {
4771        if (isCtrlPressed || enterIsSend()) {
4772            sendMessage();
4773            return true;
4774        }
4775        return false;
4776    }
4777
4778    private boolean enterIsSend() {
4779        final SharedPreferences p = PreferenceManager.getDefaultSharedPreferences(getActivity());
4780        return p.getBoolean("enter_is_send", getResources().getBoolean(R.bool.enter_is_send));
4781    }
4782
4783    public boolean onArrowUpCtrlPressed() {
4784        final Message lastEditableMessage =
4785                conversation == null ? null : conversation.getLastEditableMessage();
4786        if (lastEditableMessage != null) {
4787            correctMessage(lastEditableMessage);
4788            return true;
4789        } else {
4790            Toast.makeText(getActivity(), R.string.could_not_correct_message, Toast.LENGTH_LONG)
4791                    .show();
4792            return false;
4793        }
4794    }
4795
4796    @Override
4797    public void onTypingStarted() {
4798        final XmppConnectionService service =
4799                activity == null ? null : activity.xmppConnectionService;
4800        if (service == null) {
4801            return;
4802        }
4803        final Account.State status = conversation.getAccount().getStatus();
4804        if (status == Account.State.ONLINE
4805                && conversation.setOutgoingChatState(ChatState.COMPOSING)) {
4806            service.sendChatState(conversation);
4807        }
4808        runOnUiThread(this::updateSendButton);
4809    }
4810
4811    @Override
4812    public void onTypingStopped() {
4813        final XmppConnectionService service =
4814                activity == null ? null : activity.xmppConnectionService;
4815        if (service == null) {
4816            return;
4817        }
4818        final Account.State status = conversation.getAccount().getStatus();
4819        if (status == Account.State.ONLINE && conversation.setOutgoingChatState(ChatState.PAUSED)) {
4820            service.sendChatState(conversation);
4821        }
4822    }
4823
4824    @Override
4825    public void onTextDeleted() {
4826        final XmppConnectionService service =
4827                activity == null ? null : activity.xmppConnectionService;
4828        if (service == null) {
4829            return;
4830        }
4831        final Account.State status = conversation.getAccount().getStatus();
4832        if (status == Account.State.ONLINE
4833                && conversation.setOutgoingChatState(Config.DEFAULT_CHAT_STATE)) {
4834            service.sendChatState(conversation);
4835        }
4836        final boolean stored = storeNextMessage(null);
4837        runOnUiThread(
4838                () -> {
4839                    if (stored && activity != null) {
4840                        activity.onConversationsListItemUpdated();
4841                    }
4842                    updateSendButton();
4843                });
4844    }
4845
4846    @Override
4847    public void onTextChanged() {
4848        if (conversation != null && conversation.getCorrectingMessage() != null) {
4849            runOnUiThread(this::updateSendButton);
4850        }
4851    }
4852
4853    @Override
4854    public boolean onTabPressed(boolean repeated) {
4855        if (conversation == null || conversation.getMode() == Conversation.MODE_SINGLE) {
4856            return false;
4857        }
4858        if (repeated) {
4859            completionIndex++;
4860        } else {
4861            lastCompletionLength = 0;
4862            completionIndex = 0;
4863            final String content = this.binding.textinput.getText().toString();
4864            lastCompletionCursor = this.binding.textinput.getSelectionEnd();
4865            int start =
4866                    lastCompletionCursor > 0
4867                            ? content.lastIndexOf(" ", lastCompletionCursor - 1) + 1
4868                            : 0;
4869            firstWord = start == 0;
4870            incomplete = content.substring(start, lastCompletionCursor);
4871        }
4872        List<String> completions = new ArrayList<>();
4873        for (MucOptions.User user : conversation.getMucOptions().getUsers()) {
4874            String name = user.getNick();
4875            if (name != null && name.startsWith(incomplete)) {
4876                completions.add(name + (firstWord ? ": " : " "));
4877            }
4878        }
4879        Collections.sort(completions);
4880        if (completions.size() > completionIndex) {
4881            String completion = completions.get(completionIndex).substring(incomplete.length());
4882            this.binding
4883                    .textinput
4884                    .getEditableText()
4885                    .delete(lastCompletionCursor, lastCompletionCursor + lastCompletionLength);
4886            this.binding.textinput.getEditableText().insert(lastCompletionCursor, completion);
4887            lastCompletionLength = completion.length();
4888        } else {
4889            completionIndex = -1;
4890            this.binding
4891                    .textinput
4892                    .getEditableText()
4893                    .delete(lastCompletionCursor, lastCompletionCursor + lastCompletionLength);
4894            lastCompletionLength = 0;
4895        }
4896        return true;
4897    }
4898
4899    private void startPendingIntent(PendingIntent pendingIntent, int requestCode) {
4900        try {
4901            getActivity()
4902                    .startIntentSenderForResult(
4903                            pendingIntent.getIntentSender(),
4904                            requestCode,
4905                            null,
4906                            0,
4907                            0,
4908                            0,
4909                            Compatibility.pgpStartIntentSenderOptions());
4910        } catch (final SendIntentException ignored) {
4911        }
4912    }
4913
4914    @Override
4915    public void onBackendConnected() {
4916        Log.d(Config.LOGTAG, "ConversationFragment.onBackendConnected()");
4917        setupEmojiSearch();
4918        String uuid = pendingConversationsUuid.pop();
4919        if (uuid != null) {
4920            if (!findAndReInitByUuidOrArchive(uuid)) {
4921                return;
4922            }
4923        } else {
4924            if (!activity.xmppConnectionService.isConversationStillOpen(conversation)) {
4925                clearPending();
4926                activity.onConversationArchived(conversation);
4927                return;
4928            }
4929        }
4930        ActivityResult activityResult = postponedActivityResult.pop();
4931        if (activityResult != null) {
4932            handleActivityResult(activityResult);
4933        }
4934        clearPending();
4935    }
4936
4937    private boolean findAndReInitByUuidOrArchive(@NonNull final String uuid) {
4938        Conversation conversation = activity.xmppConnectionService.findConversationByUuid(uuid);
4939        if (conversation == null) {
4940            clearPending();
4941            activity.onConversationArchived(null);
4942            return false;
4943        }
4944        reInit(conversation);
4945        ScrollState scrollState = pendingScrollState.pop();
4946        String lastMessageUuid = pendingLastMessageUuid.pop();
4947        List<Attachment> attachments = pendingMediaPreviews.pop();
4948        if (scrollState != null) {
4949            setScrollPosition(scrollState, lastMessageUuid);
4950        }
4951        if (attachments != null && attachments.size() > 0) {
4952            Log.d(Config.LOGTAG, "had attachments on restore");
4953            mediaPreviewAdapter.addMediaPreviews(attachments);
4954            toggleInputMethod();
4955        }
4956        return true;
4957    }
4958
4959    private void clearPending() {
4960        if (postponedActivityResult.clear()) {
4961            Log.e(Config.LOGTAG, "cleared pending intent with unhandled result left");
4962            if (pendingTakePhotoUri.clear()) {
4963                Log.e(Config.LOGTAG, "cleared pending photo uri");
4964            }
4965        }
4966        if (pendingScrollState.clear()) {
4967            Log.e(Config.LOGTAG, "cleared scroll state");
4968        }
4969        if (pendingConversationsUuid.clear()) {
4970            Log.e(Config.LOGTAG, "cleared pending conversations uuid");
4971        }
4972        if (pendingMediaPreviews.clear()) {
4973            Log.e(Config.LOGTAG, "cleared pending media previews");
4974        }
4975    }
4976
4977    public Conversation getConversation() {
4978        return conversation;
4979    }
4980
4981    @Override
4982    public void onContactPictureLongClicked(View v, final Message message) {
4983        final String fingerprint;
4984        if (message.getEncryption() == Message.ENCRYPTION_PGP
4985                || message.getEncryption() == Message.ENCRYPTION_DECRYPTED) {
4986            fingerprint = "pgp";
4987        } else {
4988            fingerprint = message.getFingerprint();
4989        }
4990        final PopupMenu popupMenu = new PopupMenu(getActivity(), v);
4991        final Contact contact = message.getContact();
4992        if (message.getStatus() <= Message.STATUS_RECEIVED
4993                && (contact == null || !contact.isSelf())) {
4994            if (message.getConversation().getMode() == Conversation.MODE_MULTI) {
4995                final Jid cp = message.getCounterpart();
4996                if (cp == null || cp.isBareJid()) {
4997                    return;
4998                }
4999                final Jid tcp = message.getTrueCounterpart();
5000                final String occupantId = message.getOccupantId();
5001                final User userByRealJid =
5002                        tcp != null
5003                                ? conversation.getMucOptions().findOrCreateUserByRealJid(tcp, cp, occupantId)
5004                                : null;
5005                final User userByOccupantId =
5006                        occupantId != null
5007                                ? conversation.getMucOptions().findUserByOccupantId(occupantId, cp)
5008                                : null;
5009                final User user =
5010                        userByRealJid != null
5011                                ? userByRealJid
5012                                : (userByOccupantId != null ? userByOccupantId : conversation.getMucOptions().findUserByFullJid(cp));
5013                if (user == null) return;
5014                popupMenu.inflate(R.menu.muc_details_context);
5015                final Menu menu = popupMenu.getMenu();
5016                MucDetailsContextMenuHelper.configureMucDetailsContextMenu(
5017                        activity, menu, conversation, user);
5018                popupMenu.setOnMenuItemClickListener(
5019                        menuItem ->
5020                                MucDetailsContextMenuHelper.onContextItemSelected(
5021                                        menuItem, user, activity, fingerprint));
5022            } else {
5023                popupMenu.inflate(R.menu.one_on_one_context);
5024                popupMenu.setOnMenuItemClickListener(
5025                        item -> {
5026                            switch (item.getItemId()) {
5027                                case R.id.action_contact_details:
5028                                    activity.switchToContactDetails(
5029                                            message.getContact(), fingerprint);
5030                                    break;
5031                                case R.id.action_show_qr_code:
5032                                    activity.showQrCode(
5033                                            "xmpp:"
5034                                                    + message.getContact()
5035                                                            .getJid()
5036                                                            .asBareJid()
5037                                                            .toString());
5038                                    break;
5039                            }
5040                            return true;
5041                        });
5042            }
5043        } else {
5044            popupMenu.inflate(R.menu.account_context);
5045            final Menu menu = popupMenu.getMenu();
5046            menu.findItem(R.id.action_manage_accounts)
5047                    .setVisible(QuickConversationsService.isConversations());
5048            popupMenu.setOnMenuItemClickListener(
5049                    item -> {
5050                        final XmppActivity activity = this.activity;
5051                        if (activity == null) {
5052                            Log.e(Config.LOGTAG, "Unable to perform action. no context provided");
5053                            return true;
5054                        }
5055                        switch (item.getItemId()) {
5056                            case R.id.action_show_qr_code:
5057                                activity.showQrCode(conversation.getAccount().getShareableUri());
5058                                break;
5059                            case R.id.action_account_details:
5060                                activity.switchToAccount(
5061                                        message.getConversation().getAccount(), fingerprint);
5062                                break;
5063                            case R.id.action_manage_accounts:
5064                                AccountUtils.launchManageAccounts(activity);
5065                                break;
5066                        }
5067                        return true;
5068                    });
5069        }
5070        popupMenu.show();
5071    }
5072
5073    @Override
5074    public void onContactPictureClicked(Message message) {
5075        setThread(message.getThread());
5076        if (message.isPrivateMessage()) {
5077            privateMessageWith(message.getCounterpart());
5078            return;
5079        }
5080        forkNullThread(message);
5081        conversation.setUserSelectedThread(true);
5082
5083        final boolean received = message.getStatus() <= Message.STATUS_RECEIVED;
5084        if (received) {
5085            if (message.getConversation() instanceof Conversation
5086                    && message.getConversation().getMode() == Conversation.MODE_MULTI) {
5087                Jid tcp = message.getTrueCounterpart();
5088                Jid user = message.getCounterpart();
5089                if (user != null && !user.isBareJid()) {
5090                    final MucOptions mucOptions =
5091                            ((Conversation) message.getConversation()).getMucOptions();
5092                    if (mucOptions.participating()
5093                            || ((Conversation) message.getConversation()).getNextCounterpart()
5094                                    != null) {
5095                        MucOptions.User mucUser = mucOptions.findUserByFullJid(user);
5096                        MucOptions.User tcpMucUser = mucOptions.findUserByRealJid(tcp == null ? null : tcp.asBareJid());
5097                        if (mucUser == null && tcpMucUser == null) {
5098                            Toast.makeText(
5099                                            getActivity(),
5100                                            activity.getString(
5101                                                    R.string.user_has_left_conference,
5102                                                    user.getResource()),
5103                                            Toast.LENGTH_SHORT)
5104                                    .show();
5105                        }
5106                        highlightInConference(mucUser == null || mucUser.getNick() == null ? (tcpMucUser == null || tcpMucUser.getNick() == null ? user.getResource() : tcpMucUser.getNick()) : mucUser.getNick());
5107                    } else {
5108                        Toast.makeText(
5109                                        getActivity(),
5110                                        R.string.you_are_not_participating,
5111                                        Toast.LENGTH_SHORT)
5112                                .show();
5113                    }
5114                }
5115            }
5116        }
5117    }
5118
5119    private Activity requireActivity() {
5120        Activity activity = getActivity();
5121        if (activity == null) activity = this.activity;
5122        if (activity == null) {
5123            throw new IllegalStateException("Activity not attached");
5124        }
5125        return activity;
5126    }
5127}