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<WebxdcPage> 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        messageListAdapter.setOnContactPictureClicked(null);
1822        messageListAdapter.setOnContactPictureLongClicked(null);
1823        messageListAdapter.setOnInlineImageLongClicked(null);
1824        messageListAdapter.setConversationFragment(null);
1825        messageListAdapter.setOnMessageBoxClicked(null);
1826        messageListAdapter.setOnMessageBoxSwiped(null);
1827        binding.conversationViewPager.setAdapter(null);
1828        if (conversation != null) conversation.setupViewPager(null, null, false, null);
1829    }
1830
1831    public void quoteText(String text) {
1832        if (binding.textinput.isEnabled()) {
1833            binding.textinput.insertAsQuote(text);
1834            binding.textinput.requestFocus();
1835            InputMethodManager inputMethodManager =
1836                    (InputMethodManager)
1837                            getActivity().getSystemService(Context.INPUT_METHOD_SERVICE);
1838            if (inputMethodManager != null) {
1839                inputMethodManager.showSoftInput(
1840                        binding.textinput, InputMethodManager.SHOW_IMPLICIT);
1841            }
1842        }
1843    }
1844
1845    private void quoteMessage(Message message) {
1846        if (message.isPrivateMessage()) privateMessageWith(message.getCounterpart());
1847        setThread(message.getThread());
1848        conversation.setUserSelectedThread(true);
1849        if (!forkNullThread(message)) newThread();
1850        setupReply(message);
1851    }
1852
1853    private boolean forkNullThread(Message message) {
1854        if (message.getThread() != null || conversation.getMode() != Conversation.MODE_MULTI) return true;
1855        for (final Message m : conversation.findReplies(message.getServerMsgId())) {
1856            final Element thread = m.getThread();
1857            if (thread != null) {
1858                setThread(thread);
1859                return true;
1860            }
1861        }
1862
1863        return false;
1864    }
1865
1866    private void setupReply(Message message) {
1867        if (message != null) {
1868            final var correcting = conversation.getCorrectingMessage();
1869            if (correcting != null && correcting.getUuid().equals(message.getUuid())) return;
1870        }
1871        conversation.setReplyTo(message);
1872        if (message == null) {
1873            binding.contextPreview.setVisibility(View.GONE);
1874            binding.textsend.setBackgroundResource(R.drawable.textsend);
1875            return;
1876        }
1877
1878        var body = message.getSpannableBody(null, null);
1879        if (message.isFileOrImage() || message.isOOb()) body.append(" 🖼️");
1880        messageListAdapter.handleTextQuotes(binding.contextPreviewText, body);
1881        binding.contextPreviewText.setText(body);
1882        binding.contextPreview.setVisibility(View.VISIBLE);
1883    }
1884
1885    private void setThread(Element thread) {
1886        this.conversation.setThread(thread);
1887        binding.threadIdenticon.setAlpha(0f);
1888        binding.threadIdenticonLock.setVisibility(this.conversation.getLockThread() ? View.VISIBLE : View.GONE);
1889        if (thread != null) {
1890            final String threadId = thread.getContent();
1891            if (threadId != null) {
1892                binding.threadIdenticon.setAlpha(1f);
1893                binding.threadIdenticon.setColor(UIHelper.getColorForName(threadId));
1894                binding.threadIdenticon.setHash(UIHelper.identiconHash(threadId));
1895            }
1896        }
1897        updateSendButton();
1898    }
1899
1900
1901    private void highlightMessage(String uuid) {
1902        binding.messagesView.postDelayed(() -> {
1903            int actualIndex = getIndexOfExtended(uuid, messageList);
1904
1905            if (actualIndex == -1) {
1906                return;
1907            }
1908
1909            View view = ListViewUtils.getViewByPosition(actualIndex, binding.messagesView);
1910            View messageBox = view.findViewById(R.id.message_box);
1911            if (messageBox != null) {
1912                messageBox.animate()
1913                        .scaleX(1.14f)
1914                        .scaleY(1.14f)
1915                        .setInterpolator(new CycleInterpolator(0.5f))
1916                        .setDuration(400L)
1917                        .start();
1918            }
1919        }, 300L);
1920    }
1921
1922    private void updateSelection(String uuid, Integer offsetFormTop, Runnable selectionUpdatedRunnable, boolean populateFromMam, boolean recursiveFetch) {
1923        if (recursiveFetch && (fetchHistoryDialog == null || !fetchHistoryDialog.isShowing())) return;
1924
1925        int pos = getIndexOfExtended(uuid, messageList);
1926
1927        Runnable updateSelectionRunnable = () -> {
1928            FragmentConversationBinding binding = ConversationFragment.this.binding;
1929
1930            Runnable performRunnable = () -> {
1931                if (offsetFormTop != null) {
1932                    binding.messagesView.setSelectionFromTop(pos, offsetFormTop);
1933                    return;
1934                }
1935
1936                binding.messagesView.setSelection(pos);
1937            };
1938
1939            performRunnable.run();
1940            binding.messagesView.post(performRunnable);
1941
1942            if (selectionUpdatedRunnable != null) {
1943                selectionUpdatedRunnable.run();
1944            }
1945        };
1946
1947        if (pos != -1) {
1948            hideFetchHistoryDialog();
1949            updateSelectionRunnable.run();
1950        } else {
1951            activity.xmppConnectionService.jumpToMessage(conversation, uuid, new XmppConnectionService.JumpToMessageListener() {
1952                @Override
1953                public void onSuccess() {
1954                    activity.runOnUiThread(() -> {
1955                        refresh(false);
1956                        conversation.messagesLoaded.set(true);
1957                        conversation.historyPartLoadedForward.set(true);
1958                        toggleScrollDownButton();
1959                        updateSelection(uuid, binding.messagesView.getHeight() / 2, selectionUpdatedRunnable, populateFromMam, false);
1960                    });
1961                }
1962
1963                @Override
1964                public void onNotFound() {
1965                    activity.runOnUiThread(() -> {
1966                        if (populateFromMam && conversation.hasMessagesLeftOnServer()) {
1967                            showFetchHistoryDialog();
1968                            loadMoreMessages(true, false, binding.messagesView);
1969                            binding.messagesView.postDelayed(() -> updateSelection(uuid, binding.messagesView.getHeight() / 2, selectionUpdatedRunnable, populateFromMam, true), 500L);
1970                        } else {
1971                            hideFetchHistoryDialog();
1972                        }
1973                    });
1974                }
1975            });
1976        }
1977    }
1978
1979    private void showFetchHistoryDialog() {
1980        if (fetchHistoryDialog != null && fetchHistoryDialog.isShowing()) return;
1981
1982        fetchHistoryDialog = new ProgressDialog(getActivity());
1983        fetchHistoryDialog.setIndeterminate(true);
1984        fetchHistoryDialog.setMessage(getString(R.string.please_wait));
1985        fetchHistoryDialog.setCancelable(true);
1986        fetchHistoryDialog.show();
1987    }
1988
1989    private void hideFetchHistoryDialog() {
1990        if (fetchHistoryDialog != null && fetchHistoryDialog.isShowing()) {
1991            fetchHistoryDialog.hide();
1992        }
1993    }
1994
1995    @Override
1996    public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
1997        // This should cancel any remaining click events that would otherwise trigger links
1998        v.dispatchTouchEvent(MotionEvent.obtain(0, 0, MotionEvent.ACTION_CANCEL, 0f, 0f, 0));
1999
2000        if (v == binding.textSendButton) {
2001            super.onCreateContextMenu(menu, v, menuInfo);
2002            try {
2003                java.lang.reflect.Method m = menu.getClass().getSuperclass().getDeclaredMethod("setOptionalIconsVisible", Boolean.TYPE);
2004                m.setAccessible(true);
2005                m.invoke(menu, true);
2006            } catch (Exception e) {
2007                e.printStackTrace();
2008            }
2009            Menu tmpMenu = new PopupMenu(activity, null).getMenu();
2010            activity.getMenuInflater().inflate(R.menu.fragment_conversation, tmpMenu);
2011            MenuItem attachMenu = tmpMenu.findItem(R.id.action_attach_file);
2012            for (int i = 0; i < attachMenu.getSubMenu().size(); i++) {
2013                MenuItem item = attachMenu.getSubMenu().getItem(i);
2014                MenuItem newItem = menu.add(item.getGroupId(), item.getItemId(), item.getOrder(), item.getTitle());
2015                newItem.setIcon(item.getIcon());
2016            }
2017
2018            extensions.clear();
2019            final var xmppConnectionService = activity.xmppConnectionService;
2020            final var dir = new File(xmppConnectionService.getExternalFilesDir(null), "extensions");
2021            for (File file : Files.fileTraverser().breadthFirst(dir)) {
2022                if (file.isFile() && file.canRead()) {
2023                    final var dummy = new Message(conversation, null, conversation.getNextEncryption());
2024                    dummy.setStatus(Message.STATUS_DUMMY);
2025                    dummy.setThread(conversation.getThread());
2026                    dummy.setUuid(file.getName());
2027                    final var xdc = new WebxdcPage(activity, file, dummy);
2028                    extensions.add(xdc);
2029                    final var item = menu.add(0x1, extensions.size() - 1, 0, xdc.getName());
2030                    item.setIcon(xdc.getIcon(24));
2031                }
2032            }
2033            ConversationMenuConfigurator.configureAttachmentMenu(conversation, menu, TextUtils.isEmpty(binding.textinput.getText()));
2034            return;
2035        }
2036
2037        synchronized (this.messageList) {
2038            super.onCreateContextMenu(menu, v, menuInfo);
2039            AdapterView.AdapterContextMenuInfo acmi = (AdapterContextMenuInfo) menuInfo;
2040            this.selectedMessage = this.messageList.get(acmi.position);
2041            populateContextMenu(menu);
2042        }
2043    }
2044
2045    private void populateContextMenu(final ContextMenu menu) {
2046        final Message m = this.selectedMessage;
2047        final Transferable t = m.getTransferable();
2048        if (m.getType() != Message.TYPE_STATUS && m.getType() != Message.TYPE_RTP_SESSION) {
2049
2050            if (m.getEncryption() == Message.ENCRYPTION_AXOLOTL_NOT_FOR_THIS_DEVICE
2051                    || m.getEncryption() == Message.ENCRYPTION_AXOLOTL_FAILED) {
2052                return;
2053            }
2054
2055            if (m.getStatus() == Message.STATUS_RECEIVED
2056                    && t != null
2057                    && (t.getStatus() == Transferable.STATUS_CANCELLED
2058                            || t.getStatus() == Transferable.STATUS_FAILED)) {
2059                return;
2060            }
2061
2062            final boolean deleted = m.isDeleted();
2063            final boolean encrypted =
2064                    m.getEncryption() == Message.ENCRYPTION_DECRYPTION_FAILED
2065                            || m.getEncryption() == Message.ENCRYPTION_PGP;
2066            final boolean receiving =
2067                    m.getStatus() == Message.STATUS_RECEIVED
2068                            && (t instanceof JingleFileTransferConnection
2069                                    || t instanceof HttpDownloadConnection);
2070            activity.getMenuInflater().inflate(R.menu.message_context, menu);
2071            final MenuItem reportAndBlock = menu.findItem(R.id.action_report_and_block);
2072            final MenuItem addReaction = menu.findItem(R.id.action_add_reaction);
2073            final MenuItem openWith = menu.findItem(R.id.open_with);
2074            final MenuItem copyMessage = menu.findItem(R.id.copy_message);
2075            final MenuItem quoteMessage = menu.findItem(R.id.quote_message);
2076            final MenuItem retryDecryption = menu.findItem(R.id.retry_decryption);
2077            final MenuItem correctMessage = menu.findItem(R.id.correct_message);
2078            final MenuItem retractMessage = menu.findItem(R.id.retract_message);
2079            final MenuItem moderateMessage = menu.findItem(R.id.moderate_message);
2080            final MenuItem onlyThisThread = menu.findItem(R.id.only_this_thread);
2081            final MenuItem shareWith = menu.findItem(R.id.share_with);
2082            final MenuItem sendAgain = menu.findItem(R.id.send_again);
2083            final MenuItem retryAsP2P = menu.findItem(R.id.send_again_as_p2p);
2084            final MenuItem copyUrl = menu.findItem(R.id.copy_url);
2085            final MenuItem copyLink = menu.findItem(R.id.copy_link);
2086            final MenuItem saveAsSticker = menu.findItem(R.id.save_as_sticker);
2087            final MenuItem downloadFile = menu.findItem(R.id.download_file);
2088            final MenuItem cancelTransmission = menu.findItem(R.id.cancel_transmission);
2089            final MenuItem blockMedia = menu.findItem(R.id.block_media);
2090            final MenuItem deleteFile = menu.findItem(R.id.delete_file);
2091            final MenuItem showErrorMessage = menu.findItem(R.id.show_error_message);
2092            onlyThisThread.setVisible(!conversation.getLockThread() && m.getThread() != null);
2093            final boolean unInitiatedButKnownSize = MessageUtils.unInitiatedButKnownSize(m);
2094            final boolean showError =
2095                    m.getStatus() == Message.STATUS_SEND_FAILED
2096                            && m.getErrorMessage() != null
2097                            && !Message.ERROR_MESSAGE_CANCELLED.equals(m.getErrorMessage());
2098            final Conversational conversational = m.getConversation();
2099            final var connection = conversational.getAccount().getXmppConnection();
2100            if (m.getStatus() == Message.STATUS_RECEIVED
2101                    && conversational instanceof Conversation c) {
2102                if (c.isWithStranger()
2103                        && m.getServerMsgId() != null
2104                        && !c.isBlocked()
2105                        && connection != null
2106                        && connection.getFeatures().spamReporting()) {
2107                    reportAndBlock.setVisible(true);
2108                }
2109            }
2110            if (conversational instanceof Conversation c) {
2111                addReaction.setVisible(
2112                        m.getStatus() != Message.STATUS_SEND_FAILED
2113                                && !m.isDeleted()
2114                                && !m.isPrivateMessage()
2115                                && (c.getMode() == Conversational.MODE_SINGLE
2116                                        || (c.getMucOptions().occupantId()
2117                                                && c.getMucOptions().participating())));
2118            } else {
2119                addReaction.setVisible(false);
2120            }
2121            if (!m.isFileOrImage()
2122                    && !encrypted
2123                    && !m.isGeoUri()
2124                    && !m.treatAsDownloadable()
2125                    && !unInitiatedButKnownSize
2126                    && t == null) {
2127                copyMessage.setVisible(true);
2128                quoteMessage.setVisible(!showError && !MessageUtils.prepareQuote(m).isEmpty());
2129                final var firstUri = Iterables.getFirst(Linkify.getLinks(m.getBody()), null);
2130                if (firstUri != null) {
2131                    final var scheme = firstUri.getScheme();
2132                    final @StringRes int resForScheme =
2133                            switch (scheme) {
2134                                case "xmpp" -> R.string.copy_jabber_id;
2135                                case "http", "https", "gemini" -> R.string.copy_link;
2136                                case "geo" -> R.string.copy_geo_uri;
2137                                case "tel" -> R.string.copy_telephone_number;
2138                                case "mailto" -> R.string.copy_email_address;
2139                                default -> R.string.copy_URI;
2140                            };
2141                    copyLink.setTitle(resForScheme);
2142                    copyLink.setVisible(true);
2143                } else {
2144                    copyLink.setVisible(false);
2145                }
2146            }
2147            quoteMessage.setVisible(!encrypted && !showError);
2148            if (m.getEncryption() == Message.ENCRYPTION_DECRYPTION_FAILED && !deleted) {
2149                retryDecryption.setVisible(true);
2150            }
2151            if (!showError
2152                    && m.getType() == Message.TYPE_TEXT
2153                    && m.isEditable()
2154                    && !m.isGeoUri()
2155                    && m.getConversation() instanceof Conversation) {
2156                correctMessage.setVisible(true);
2157                if (!m.getBody().equals("") && !m.getBody().equals(" ")) retractMessage.setVisible(true);
2158            }
2159            if (m.getStatus() == Message.STATUS_WAITING) {
2160                correctMessage.setVisible(true);
2161                retractMessage.setVisible(true);
2162            }
2163            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")) {
2164                moderateMessage.setVisible(true);
2165            }
2166            if ((m.isFileOrImage() && !deleted && !receiving)
2167                    || (m.getType() == Message.TYPE_TEXT && !m.treatAsDownloadable())
2168                            && !unInitiatedButKnownSize
2169                            && t == null) {
2170                shareWith.setVisible(true);
2171            }
2172            if (m.getStatus() == Message.STATUS_SEND_FAILED) {
2173                sendAgain.setVisible(true);
2174                final var httpUploadAvailable =
2175                        connection != null
2176                                && Objects.nonNull(
2177                                        connection
2178                                                .getManager(HttpUploadManager.class)
2179                                                .getService());
2180                final var fileNotUploaded = m.isFileOrImage() && !m.hasFileOnRemoteHost();
2181                final var isPeerOnline =
2182                        conversational.getMode() == Conversation.MODE_SINGLE
2183                                && (conversational instanceof Conversation c)
2184                                && !c.getContact().getPresences().isEmpty();
2185                retryAsP2P.setVisible(fileNotUploaded && isPeerOnline && httpUploadAvailable);
2186            }
2187            if (m.hasFileOnRemoteHost()
2188                    || m.isGeoUri()
2189                    || m.treatAsDownloadable()
2190                    || unInitiatedButKnownSize
2191                    || t instanceof HttpDownloadConnection) {
2192                copyUrl.setVisible(true);
2193            }
2194            if (m.isFileOrImage() && deleted && m.hasFileOnRemoteHost()) {
2195                downloadFile.setVisible(true);
2196                downloadFile.setTitle(
2197                        activity.getString(
2198                                R.string.download_x_file,
2199                                UIHelper.getFileDescriptionString(activity, m)));
2200            }
2201            final boolean waitingOfferedSending =
2202                    m.getStatus() == Message.STATUS_WAITING
2203                            || m.getStatus() == Message.STATUS_UNSEND
2204                            || m.getStatus() == Message.STATUS_OFFERED;
2205            final boolean cancelable =
2206                    (t != null && !deleted) || waitingOfferedSending && m.needsUploading();
2207            if (cancelable) {
2208                cancelTransmission.setVisible(true);
2209            }
2210            if (m.isFileOrImage() && !deleted && !cancelable) {
2211                final String path = m.getRelativeFilePath();
2212                if (path != null) {
2213                    final var file = new File(path);
2214                    if (file.canRead()) saveAsSticker.setVisible(true);
2215                    blockMedia.setVisible(true);
2216                    if (file.canWrite()) deleteFile.setVisible(true);
2217                    deleteFile.setTitle(
2218                            activity.getString(
2219                                    R.string.delete_x_file,
2220                                    UIHelper.getFileDescriptionString(activity, m)));
2221                }
2222            }
2223
2224            if (m.getFileParams() != null && !m.getFileParams().getThumbnails().isEmpty()) {
2225                // We might be showing a thumbnail worth blocking
2226                blockMedia.setVisible(true);
2227            }
2228            if (showError) {
2229                showErrorMessage.setVisible(true);
2230            }
2231            final String mime = m.isFileOrImage() ? m.getMimeType() : null;
2232            if ((m.isGeoUri() && GeoHelper.openInOsmAnd(getActivity(), m))
2233                    || (mime != null && mime.startsWith("audio/"))) {
2234                openWith.setVisible(true);
2235            }
2236        }
2237    }
2238
2239    @Override
2240    public boolean onContextItemSelected(MenuItem item) {
2241        switch (item.getItemId()) {
2242            case R.id.share_with:
2243                ShareUtil.share(activity, selectedMessage);
2244                return true;
2245            case R.id.correct_message:
2246                correctMessage(selectedMessage);
2247                return true;
2248            case R.id.retract_message:
2249                new AlertDialog.Builder(activity)
2250                    .setTitle(R.string.retract_message)
2251                    .setMessage("Do you really want to retract this message?")
2252                    .setPositiveButton(R.string.yes, (dialog, whichButton) -> {
2253                        final var message = selectedMessage;
2254                        if (message.getStatus() == Message.STATUS_WAITING || message.getStatus() == Message.STATUS_OFFERED) {
2255                            activity.xmppConnectionService.deleteMessage(message);
2256                            return;
2257                        }
2258                        Element reactions = message.getReactionsEl();
2259                        if (reactions != null) {
2260                            final Message previousReaction = conversation.findMessageReactingTo(reactions.getAttribute("id"), null);
2261                            if (previousReaction != null) reactions = previousReaction.getReactionsEl();
2262                            for (Element el : reactions.getChildren()) {
2263                                if (message.getRawBody().endsWith(el.getContent())) {
2264                                    reactions.removeChild(el);
2265                                }
2266                            }
2267                            message.setReactions(reactions);
2268                            if (previousReaction != null) {
2269                                previousReaction.setReactions(reactions);
2270                                activity.xmppConnectionService.updateMessage(previousReaction);
2271                            }
2272                        } else {
2273                            message.setInReplyTo(null);
2274                            message.clearPayloads();
2275                        }
2276                        message.setBody(" ");
2277                        message.setSubject(null);
2278                        message.putEdited(message.getUuid(), message.getServerMsgId());
2279                        message.setServerMsgId(null);
2280                        message.setUuid(UUID.randomUUID().toString());
2281                        sendMessage(message);
2282                    })
2283                    .setNegativeButton(R.string.no, null).show();
2284                return true;
2285            case R.id.moderate_message:
2286                activity.quickEdit("Spam", (reason) -> {
2287                    activity.xmppConnectionService.moderateMessage(conversation.getAccount(), selectedMessage, reason);
2288                    return null;
2289                }, R.string.moderate_reason, false, false, true, true);
2290                return true;
2291            case R.id.copy_message:
2292                ShareUtil.copyToClipboard(activity, selectedMessage);
2293                return true;
2294            case R.id.quote_message:
2295                quoteMessage(selectedMessage);
2296                return true;
2297            case R.id.send_again:
2298                resendMessage(selectedMessage, false);
2299                return true;
2300            case R.id.send_again_as_p2p:
2301                resendMessage(selectedMessage, true);
2302                return true;
2303            case R.id.copy_url:
2304                ShareUtil.copyUrlToClipboard(activity, selectedMessage);
2305                return true;
2306            case R.id.save_as_sticker:
2307                saveAsSticker(selectedMessage);
2308                return true;
2309            case R.id.download_file:
2310                startDownloadable(selectedMessage);
2311                return true;
2312            case R.id.cancel_transmission:
2313                cancelTransmission(selectedMessage);
2314                return true;
2315            case R.id.retry_decryption:
2316                retryDecryption(selectedMessage);
2317                return true;
2318            case R.id.block_media:
2319                new AlertDialog.Builder(activity)
2320                    .setTitle(R.string.block_media)
2321                    .setMessage("Do you really want to block this media in all messages?")
2322                    .setPositiveButton(R.string.yes, (dialog, whichButton) -> {
2323                        List<Element> thumbs = selectedMessage.getFileParams() != null ? selectedMessage.getFileParams().getThumbnails() : null;
2324                        if (thumbs != null && !thumbs.isEmpty()) {
2325                            for (Element thumb : thumbs) {
2326                                Uri uri = Uri.parse(thumb.getAttribute("uri"));
2327                                if (uri.getScheme().equals("cid")) {
2328                                    Cid cid = BobTransfer.cid(uri);
2329                                    if (cid == null) continue;
2330                                    DownloadableFile f = activity.xmppConnectionService.getFileForCid(cid);
2331                                    activity.xmppConnectionService.blockMedia(f);
2332                                    activity.xmppConnectionService.evictPreview(f);
2333                                    f.delete();
2334                                }
2335                            }
2336                        }
2337                        File f = activity.xmppConnectionService.getFileBackend().getFile(selectedMessage);
2338                        activity.xmppConnectionService.blockMedia(f);
2339                        activity.xmppConnectionService.getFileBackend().deleteFile(selectedMessage);
2340                        activity.xmppConnectionService.evictPreview(f);
2341                        activity.xmppConnectionService.updateMessage(selectedMessage, false);
2342                        activity.onConversationsListItemUpdated();
2343                        refresh();
2344                    })
2345                    .setNegativeButton(R.string.no, null).show();
2346                return true;
2347            case R.id.delete_file:
2348                deleteFile(selectedMessage);
2349                return true;
2350            case R.id.show_error_message:
2351                showErrorMessage(selectedMessage);
2352                return true;
2353            case R.id.open_with:
2354                openWith(selectedMessage);
2355                return true;
2356            case R.id.only_this_thread:
2357                conversation.setLockThread(true);
2358                backPressedLeaveSingleThread.setEnabled(true);
2359                setThread(selectedMessage.getThread());
2360                refresh();
2361                return true;
2362            case R.id.action_report_and_block:
2363                reportMessage(selectedMessage);
2364                return true;
2365            case R.id.action_add_reaction:
2366                addReaction(selectedMessage);
2367                return true;
2368            default:
2369                return onOptionsItemSelected(item);
2370        }
2371    }
2372
2373    @Override
2374    public boolean onOptionsItemSelected(final MenuItem item) {
2375        if (MenuDoubleTabUtil.shouldIgnoreTap()) {
2376            return false;
2377        } else if (conversation == null) {
2378            return super.onOptionsItemSelected(item);
2379        }
2380        if (item.getGroupId() == 0x1) {
2381            conversation.startWebxdc(extensions.get(item.getItemId()));
2382            return true;
2383        }
2384        switch (item.getItemId()) {
2385            case R.id.encryption_choice_axolotl:
2386            case R.id.encryption_choice_pgp:
2387            case R.id.encryption_choice_none:
2388                handleEncryptionSelection(item);
2389                return true;
2390            case R.id.attach_choose_picture:
2391            //case R.id.attach_take_picture:
2392            //case R.id.attach_record_video:
2393            case R.id.attach_choose_file:
2394            case R.id.attach_record_voice:
2395            case R.id.attach_location:
2396                handleAttachmentSelection(item);
2397                return true;
2398            case R.id.attach_webxdc:
2399                final Intent intent = new Intent(getActivity(), WebxdcStore.class);
2400                startActivityForResult(intent, REQUEST_WEBXDC_STORE);
2401                return true;
2402            case R.id.attach_subject:
2403                binding.textinputSubject.setVisibility(binding.textinputSubject.getVisibility() == View.GONE ? View.VISIBLE : View.GONE);
2404                return true;
2405            case R.id.attach_schedule:
2406                scheduleMessage();
2407                return true;
2408            case R.id.action_search:
2409                startSearch();
2410                return true;
2411            case R.id.action_archive:
2412                activity.xmppConnectionService.archiveConversation(conversation);
2413                return true;
2414            case R.id.action_contact_details:
2415                activity.switchToContactDetails(conversation.getContact());
2416                return true;
2417            case R.id.action_muc_details:
2418                ConferenceDetailsActivity.open(activity, conversation);
2419                return true;
2420            case R.id.action_invite:
2421                startActivityForResult(
2422                        ChooseContactActivity.create(activity, conversation),
2423                        REQUEST_INVITE_TO_CONVERSATION);
2424                return true;
2425            case R.id.action_clear_history:
2426                clearHistoryDialog(conversation);
2427                return true;
2428            case R.id.action_mute:
2429                muteConversationDialog(conversation);
2430                return true;
2431            case R.id.action_unmute:
2432                unMuteConversation(conversation);
2433                return true;
2434            case R.id.action_block:
2435            case R.id.action_unblock:
2436                BlockContactDialog.show(activity, conversation);
2437                return true;
2438            case R.id.action_audio_call:
2439                checkPermissionAndTriggerAudioCall();
2440                return true;
2441            case R.id.action_video_call:
2442                checkPermissionAndTriggerVideoCall();
2443                return true;
2444            case R.id.action_ongoing_call:
2445                returnToOngoingCall();
2446                return true;
2447            case R.id.action_toggle_pinned:
2448                togglePinned();
2449                return true;
2450            case R.id.action_add_shortcut:
2451                addShortcut();
2452                return true;
2453            case R.id.action_block_avatar:
2454                new AlertDialog.Builder(activity)
2455                    .setTitle(R.string.block_media)
2456                    .setMessage("Do you really want to block this avatar?")
2457                    .setPositiveButton(R.string.yes, (dialog, whichButton) -> {
2458                            activity.xmppConnectionService.blockMedia(activity.xmppConnectionService.getFileBackend().getAvatarFile(conversation.getContact().getAvatar()));
2459                            activity.xmppConnectionService.getFileBackend().getAvatarFile(conversation.getContact().getAvatar()).delete();
2460                            activity.avatarService().clear(conversation);
2461                            conversation.getContact().setAvatar(null);
2462                            activity.xmppConnectionService.updateConversationUi();
2463                    })
2464                    .setNegativeButton(R.string.no, null).show();
2465                return true;
2466            case R.id.action_refresh_feature_discovery:
2467                refreshFeatureDiscovery();
2468                return true;
2469            default:
2470                break;
2471        }
2472        return super.onOptionsItemSelected(item);
2473    }
2474
2475    public boolean onBackPressed() {
2476        boolean wasLocked = conversation.getLockThread();
2477        conversation.setLockThread(false);
2478        backPressedLeaveSingleThread.setEnabled(false);
2479        if (wasLocked) {
2480            setThread(null);
2481            conversation.setUserSelectedThread(false);
2482            refresh();
2483            updateThreadFromLastMessage();
2484            return true;
2485        }
2486        return false;
2487    }
2488
2489    private void startSearch() {
2490        final Intent intent = new Intent(getActivity(), SearchActivity.class);
2491        intent.putExtra(SearchActivity.EXTRA_CONVERSATION_UUID, conversation.getUuid());
2492        startActivity(intent);
2493    }
2494
2495    private void scheduleMessage() {
2496        if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.N) {
2497            final var datePicker = com.google.android.material.datepicker.MaterialDatePicker.Builder.datePicker()
2498                .setTitleText("Schedule Message")
2499                .setSelection(com.google.android.material.datepicker.MaterialDatePicker.todayInUtcMilliseconds())
2500                .setCalendarConstraints(
2501                    new com.google.android.material.datepicker.CalendarConstraints.Builder()
2502                        .setStart(com.google.android.material.datepicker.MaterialDatePicker.todayInUtcMilliseconds())
2503                        .build()
2504                 )
2505                .build();
2506            datePicker.addOnPositiveButtonClickListener((date) -> {
2507                final Calendar now = Calendar.getInstance();
2508                final var timePicker = new com.google.android.material.timepicker.MaterialTimePicker.Builder()
2509                    .setTitleText("Schedule Message")
2510                    .setHour(now.get(Calendar.HOUR_OF_DAY))
2511                    .setMinute(now.get(Calendar.MINUTE))
2512                    .setTimeFormat(android.text.format.DateFormat.is24HourFormat(activity) ? com.google.android.material.timepicker.TimeFormat.CLOCK_24H : com.google.android.material.timepicker.TimeFormat.CLOCK_12H)
2513                    .build();
2514                timePicker.addOnPositiveButtonClickListener((v2) -> {
2515                        final var dateCal = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
2516                        dateCal.setTimeInMillis(date);
2517                        final var time = Calendar.getInstance();
2518                        time.set(dateCal.get(Calendar.YEAR), dateCal.get(Calendar.MONTH), dateCal.get(Calendar.DAY_OF_MONTH), timePicker.getHour(), timePicker.getMinute(), 0);
2519                        final long timestamp = time.getTimeInMillis();
2520                        sendMessage(timestamp);
2521                        Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": scheduled message for " + timestamp);
2522                    });
2523                timePicker.show(activity.getSupportFragmentManager(), "schedulMessageTime");
2524            });
2525            datePicker.show(activity.getSupportFragmentManager(), "schedulMessageDate");
2526        }
2527    }
2528
2529    private void returnToOngoingCall() {
2530        final Optional<OngoingRtpSession> ongoingRtpSession =
2531                activity.xmppConnectionService
2532                        .getJingleConnectionManager()
2533                        .getOngoingRtpConnection(conversation.getContact());
2534        if (ongoingRtpSession.isPresent()) {
2535            final OngoingRtpSession id = ongoingRtpSession.get();
2536            final Intent intent = new Intent(activity, RtpSessionActivity.class);
2537            intent.setAction(Intent.ACTION_VIEW);
2538            intent.putExtra(
2539                    RtpSessionActivity.EXTRA_ACCOUNT,
2540                    id.getAccount().getJid().asBareJid().toString());
2541            intent.putExtra(RtpSessionActivity.EXTRA_WITH, id.getWith().toString());
2542            if (id instanceof AbstractJingleConnection) {
2543                intent.putExtra(RtpSessionActivity.EXTRA_SESSION_ID, id.getSessionId());
2544                activity.startActivity(intent);
2545            } else if (id instanceof JingleConnectionManager.RtpSessionProposal proposal) {
2546                if (Media.audioOnly(proposal.media)) {
2547                    intent.putExtra(
2548                            RtpSessionActivity.EXTRA_LAST_ACTION,
2549                            RtpSessionActivity.ACTION_MAKE_VOICE_CALL);
2550                } else {
2551                    intent.putExtra(
2552                            RtpSessionActivity.EXTRA_LAST_ACTION,
2553                            RtpSessionActivity.ACTION_MAKE_VIDEO_CALL);
2554                }
2555                intent.putExtra(RtpSessionActivity.EXTRA_PROPOSED_SESSION_ID, proposal.sessionId);
2556                activity.startActivity(intent);
2557            }
2558        }
2559    }
2560
2561    private void refreshFeatureDiscovery() {
2562        final var connection = conversation.getContact().getAccount().getXmppConnection();
2563        if (connection == null) return;
2564
2565        var jids = conversation.getContact().getPresences().getFullJids();
2566        if (jids.isEmpty()) {
2567            jids = new HashSet<>();
2568            jids.add(conversation.getContact().getJid());
2569        }
2570        for (final var jid : jids) {
2571            Futures.addCallback(
2572                connection.getManager(DiscoManager.class).info(Entity.presence(jid), null, null),
2573                new FutureCallback<>() {
2574                    @Override
2575                    public void onSuccess(InfoQuery disco) {
2576                        if (activity == null) return;
2577                        activity.runOnUiThread(() -> {
2578                            refresh();
2579                            refreshCommands(true);
2580                        });
2581                    }
2582
2583                    @Override
2584                    public void onFailure(@NonNull Throwable throwable) {}
2585                },
2586                MoreExecutors.directExecutor()
2587            );
2588        }
2589    }
2590
2591    private void addShortcut() {
2592        ShortcutInfoCompat info;
2593        if (conversation.getMode() == Conversation.MODE_MULTI) {
2594            info = activity.xmppConnectionService.getShortcutService().getShortcutInfo(conversation.getMucOptions());
2595        } else {
2596            info = activity.xmppConnectionService.getShortcutService().getShortcutInfo(conversation.getContact());
2597        }
2598        ShortcutManagerCompat.requestPinShortcut(activity, info, null);
2599    }
2600
2601    private void togglePinned() {
2602        final boolean pinned =
2603                conversation.getBooleanAttribute(Conversation.ATTRIBUTE_PINNED_ON_TOP, false);
2604        conversation.setAttribute(Conversation.ATTRIBUTE_PINNED_ON_TOP, !pinned);
2605        activity.xmppConnectionService.updateConversation(conversation);
2606        activity.invalidateOptionsMenu();
2607    }
2608
2609    private void checkPermissionAndTriggerAudioCall() {
2610        if (activity.mUseTor || conversation.getAccount().isOnion()) {
2611            Toast.makeText(activity, R.string.disable_tor_to_make_call, Toast.LENGTH_SHORT).show();
2612            return;
2613        }
2614        final List<String> permissions;
2615        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
2616            permissions =
2617                    Arrays.asList(
2618                            Manifest.permission.RECORD_AUDIO,
2619                            Manifest.permission.BLUETOOTH_CONNECT);
2620        } else {
2621            permissions = Collections.singletonList(Manifest.permission.RECORD_AUDIO);
2622        }
2623        if (hasPermissions(REQUEST_START_AUDIO_CALL, permissions)) {
2624            triggerRtpSession(RtpSessionActivity.ACTION_MAKE_VOICE_CALL);
2625        }
2626    }
2627
2628    private void checkPermissionAndTriggerVideoCall() {
2629        if (activity.mUseTor || conversation.getAccount().isOnion()) {
2630            Toast.makeText(activity, R.string.disable_tor_to_make_call, Toast.LENGTH_SHORT).show();
2631            return;
2632        }
2633        final List<String> permissions;
2634        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
2635            permissions =
2636                    Arrays.asList(
2637                            Manifest.permission.RECORD_AUDIO,
2638                            Manifest.permission.CAMERA,
2639                            Manifest.permission.BLUETOOTH_CONNECT);
2640        } else {
2641            permissions =
2642                    Arrays.asList(Manifest.permission.RECORD_AUDIO, Manifest.permission.CAMERA);
2643        }
2644        if (hasPermissions(REQUEST_START_VIDEO_CALL, permissions)) {
2645            triggerRtpSession(RtpSessionActivity.ACTION_MAKE_VIDEO_CALL);
2646        }
2647    }
2648
2649    private void triggerRtpSession(final String action) {
2650        if (activity.xmppConnectionService.getJingleConnectionManager().isBusy()) {
2651            Toast.makeText(getActivity(), R.string.only_one_call_at_a_time, Toast.LENGTH_LONG)
2652                    .show();
2653            return;
2654        }
2655        final Account account = conversation.getAccount();
2656        if (account.setOption(Account.OPTION_SOFT_DISABLED, false)) {
2657            activity.xmppConnectionService.updateAccount(account);
2658        }
2659        final Contact contact = conversation.getContact();
2660        if (Config.USE_JINGLE_MESSAGE_INIT && RtpCapability.jmiSupport(contact)) {
2661            triggerRtpSession(contact.getAccount(), contact.getJid().asBareJid(), action);
2662        } else {
2663            final RtpCapability.Capability capability;
2664            if (action.equals(RtpSessionActivity.ACTION_MAKE_VIDEO_CALL)) {
2665                capability = RtpCapability.Capability.VIDEO;
2666            } else {
2667                capability = RtpCapability.Capability.AUDIO;
2668            }
2669            PresenceSelector.selectFullJidForDirectRtpConnection(
2670                    activity,
2671                    contact,
2672                    capability,
2673                    fullJid -> {
2674                        triggerRtpSession(contact.getAccount(), fullJid, action);
2675                    });
2676        }
2677    }
2678
2679    private void triggerRtpSession(final Account account, final Jid with, final String action) {
2680        CallIntegrationConnectionService.placeCall(
2681                activity.xmppConnectionService,
2682                account,
2683                with,
2684                RtpSessionActivity.actionToMedia(action));
2685    }
2686
2687    private void handleAttachmentSelection(MenuItem item) {
2688        switch (item.getItemId()) {
2689            case R.id.attach_choose_picture:
2690                attachFile(ATTACHMENT_CHOICE_CHOOSE_IMAGE);
2691                break;
2692            /*case R.id.attach_take_picture:
2693                attachFile(ATTACHMENT_CHOICE_TAKE_PHOTO);
2694                break;
2695            case R.id.attach_record_video:
2696                attachFile(ATTACHMENT_CHOICE_RECORD_VIDEO);
2697                break;*/
2698            case R.id.attach_choose_file:
2699                attachFile(ATTACHMENT_CHOICE_CHOOSE_FILE);
2700                break;
2701            case R.id.attach_record_voice:
2702                attachFile(ATTACHMENT_CHOICE_RECORD_VOICE);
2703                break;
2704            case R.id.attach_location:
2705                attachFile(ATTACHMENT_CHOICE_LOCATION);
2706                break;
2707        }
2708    }
2709
2710    private void handleEncryptionSelection(MenuItem item) {
2711        if (conversation == null) {
2712            return;
2713        }
2714        final boolean updated;
2715        switch (item.getItemId()) {
2716            case R.id.encryption_choice_none:
2717                updated = conversation.setNextEncryption(Message.ENCRYPTION_NONE);
2718                item.setChecked(true);
2719                break;
2720            case R.id.encryption_choice_pgp:
2721                if (activity.hasPgp()) {
2722                    if (conversation.getAccount().getPgpSignature() != null) {
2723                        updated = conversation.setNextEncryption(Message.ENCRYPTION_PGP);
2724                        item.setChecked(true);
2725                    } else {
2726                        updated = false;
2727                        activity.announcePgp(
2728                                conversation.getAccount(),
2729                                conversation,
2730                                null,
2731                                activity.onOpenPGPKeyPublished);
2732                    }
2733                } else {
2734                    activity.showInstallPgpDialog();
2735                    updated = false;
2736                }
2737                break;
2738            case R.id.encryption_choice_axolotl:
2739                Log.d(
2740                        Config.LOGTAG,
2741                        AxolotlService.getLogprefix(conversation.getAccount())
2742                                + "Enabled axolotl for Contact "
2743                                + conversation.getContact().getJid());
2744                updated = conversation.setNextEncryption(Message.ENCRYPTION_AXOLOTL);
2745                item.setChecked(true);
2746                break;
2747            default:
2748                updated = conversation.setNextEncryption(Message.ENCRYPTION_NONE);
2749                break;
2750        }
2751        if (updated) {
2752            activity.xmppConnectionService.updateConversation(conversation);
2753        }
2754        updateChatMsgHint();
2755        getActivity().invalidateOptionsMenu();
2756        activity.refreshUi();
2757    }
2758
2759    public void attachFile(final int attachmentChoice) {
2760        attachFile(attachmentChoice, true, false);
2761    }
2762
2763    public void attachFile(final int attachmentChoice, final boolean updateRecentlyUsed) {
2764        attachFile(attachmentChoice, updateRecentlyUsed, false);
2765    }
2766
2767    public void attachFile(final int attachmentChoice, final boolean updateRecentlyUsed, final boolean fromPermissions) {
2768        if (attachmentChoice == ATTACHMENT_CHOICE_RECORD_VOICE) {
2769            if (!hasPermissions(
2770                    attachmentChoice,
2771                    Manifest.permission.WRITE_EXTERNAL_STORAGE,
2772                    Manifest.permission.RECORD_AUDIO)) {
2773                return;
2774            }
2775        } else if (attachmentChoice == ATTACHMENT_CHOICE_TAKE_PHOTO
2776                || attachmentChoice == ATTACHMENT_CHOICE_RECORD_VIDEO
2777                || (attachmentChoice == ATTACHMENT_CHOICE_CHOOSE_IMAGE && !fromPermissions)) {
2778            if (!hasPermissions(
2779                    attachmentChoice,
2780                    Manifest.permission.WRITE_EXTERNAL_STORAGE,
2781                    Manifest.permission.CAMERA)) {
2782                return;
2783            }
2784        } else if (attachmentChoice != ATTACHMENT_CHOICE_LOCATION) {
2785            if (!hasPermissions(attachmentChoice, Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
2786                return;
2787            }
2788        }
2789        if (updateRecentlyUsed) {
2790            storeRecentlyUsedQuickAction(attachmentChoice);
2791        }
2792        final int encryption = conversation.getNextEncryption();
2793        final int mode = conversation.getMode();
2794        if (encryption == Message.ENCRYPTION_PGP) {
2795            if (activity.hasPgp()) {
2796                if (mode == Conversation.MODE_SINGLE
2797                        && conversation.getContact().getPgpKeyId() != 0) {
2798                    activity.xmppConnectionService
2799                            .getPgpEngine()
2800                            .hasKey(
2801                                    conversation.getContact(),
2802                                    new UiCallback<Contact>() {
2803
2804                                        @Override
2805                                        public void userInputRequired(
2806                                                PendingIntent pi, Contact contact) {
2807                                            startPendingIntent(pi, attachmentChoice);
2808                                        }
2809
2810                                        @Override
2811                                        public void success(Contact contact) {
2812                                            invokeAttachFileIntent(attachmentChoice);
2813                                        }
2814
2815                                        @Override
2816                                        public void error(int error, Contact contact) {
2817                                            activity.replaceToast(getString(error));
2818                                        }
2819                                    });
2820                } else if (mode == Conversation.MODE_MULTI
2821                        && conversation.getMucOptions().pgpKeysInUse()) {
2822                    if (!conversation.getMucOptions().everybodyHasKeys()) {
2823                        Toast warning =
2824                                Toast.makeText(
2825                                        getActivity(),
2826                                        R.string.missing_public_keys,
2827                                        Toast.LENGTH_LONG);
2828                        warning.setGravity(Gravity.CENTER_VERTICAL, 0, 0);
2829                        warning.show();
2830                    }
2831                    invokeAttachFileIntent(attachmentChoice);
2832                } else {
2833                    showNoPGPKeyDialog(
2834                            false,
2835                            (dialog, which) -> {
2836                                conversation.setNextEncryption(Message.ENCRYPTION_NONE);
2837                                activity.xmppConnectionService.updateConversation(conversation);
2838                                invokeAttachFileIntent(attachmentChoice);
2839                            });
2840                }
2841            } else {
2842                activity.showInstallPgpDialog();
2843            }
2844        } else {
2845            invokeAttachFileIntent(attachmentChoice);
2846        }
2847    }
2848
2849    private void storeRecentlyUsedQuickAction(final int attachmentChoice) {
2850        try {
2851            activity.getPreferences()
2852                    .edit()
2853                    .putString(
2854                            RECENTLY_USED_QUICK_ACTION,
2855                            SendButtonAction.of(attachmentChoice).toString())
2856                    .apply();
2857        } catch (IllegalArgumentException e) {
2858            // just do not save
2859        }
2860    }
2861
2862    @Override
2863    public void onRequestPermissionsResult(
2864            int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
2865        final PermissionUtils.PermissionResult permissionResult =
2866                PermissionUtils.removeBluetoothConnect(permissions, grantResults);
2867        if (grantResults.length > 0) {
2868            if (allGranted(permissionResult.grantResults) || requestCode == ATTACHMENT_CHOICE_CHOOSE_IMAGE) {
2869                switch (requestCode) {
2870                    case REQUEST_START_DOWNLOAD:
2871                        if (this.mPendingDownloadableMessage != null) {
2872                            startDownloadable(this.mPendingDownloadableMessage);
2873                        }
2874                        break;
2875                    case REQUEST_ADD_EDITOR_CONTENT:
2876                        if (this.mPendingEditorContent != null) {
2877                            attachEditorContentToConversation(this.mPendingEditorContent);
2878                        }
2879                        break;
2880                    case REQUEST_COMMIT_ATTACHMENTS:
2881                        commitAttachments();
2882                        break;
2883                    case REQUEST_START_AUDIO_CALL:
2884                        triggerRtpSession(RtpSessionActivity.ACTION_MAKE_VOICE_CALL);
2885                        break;
2886                    case REQUEST_START_VIDEO_CALL:
2887                        triggerRtpSession(RtpSessionActivity.ACTION_MAKE_VIDEO_CALL);
2888                        break;
2889                    default:
2890                        attachFile(requestCode, true, true);
2891                        break;
2892                }
2893            } else {
2894                @StringRes int res;
2895                String firstDenied =
2896                        getFirstDenied(permissionResult.grantResults, permissionResult.permissions);
2897                if (Manifest.permission.RECORD_AUDIO.equals(firstDenied)) {
2898                    res = R.string.no_microphone_permission;
2899                } else if (Manifest.permission.CAMERA.equals(firstDenied)) {
2900                    res = R.string.no_camera_permission;
2901                } else {
2902                    res = R.string.no_storage_permission;
2903                }
2904                Toast.makeText(
2905                                getActivity(),
2906                                getString(res, getString(R.string.app_name)),
2907                                Toast.LENGTH_SHORT)
2908                        .show();
2909            }
2910        }
2911        if (writeGranted(grantResults, permissions)) {
2912            if (activity != null && activity.xmppConnectionService != null) {
2913                activity.xmppConnectionService.getDrawableCache().evictAll();
2914                activity.xmppConnectionService.restartFileObserver();
2915            }
2916            refresh();
2917        }
2918        if (cameraGranted(grantResults, permissions) || audioGranted(grantResults, permissions)) {
2919            XmppConnectionService.toggleForegroundService(activity);
2920        }
2921    }
2922
2923    public void startDownloadable(Message message) {
2924        if (!hasPermissions(REQUEST_START_DOWNLOAD, Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
2925            this.mPendingDownloadableMessage = message;
2926            return;
2927        }
2928        Transferable transferable = message.getTransferable();
2929        if (transferable != null) {
2930            if (transferable instanceof TransferablePlaceholder && message.hasFileOnRemoteHost()) {
2931                createNewConnection(message);
2932                return;
2933            }
2934            if (!transferable.start()) {
2935                Log.d(Config.LOGTAG, "type: " + transferable.getClass().getName());
2936                Toast.makeText(getActivity(), R.string.not_connected_try_again, Toast.LENGTH_SHORT)
2937                        .show();
2938            }
2939        } else if (message.treatAsDownloadable()
2940                || message.hasFileOnRemoteHost()
2941                || MessageUtils.unInitiatedButKnownSize(message)) {
2942            createNewConnection(message);
2943        } else {
2944            Log.d(
2945                    Config.LOGTAG,
2946                    message.getConversation().getAccount() + ": unable to start downloadable");
2947        }
2948    }
2949
2950    private void createNewConnection(final Message message) {
2951        if (!activity.xmppConnectionService.hasInternetConnection()) {
2952            Toast.makeText(getActivity(), R.string.not_connected_try_again, Toast.LENGTH_SHORT)
2953                    .show();
2954            return;
2955        }
2956        if (message.getOob() != null && "cid".equalsIgnoreCase(message.getOob().getScheme())) {
2957            try {
2958                BobTransfer transfer = new BobTransfer.ForMessage(message, activity.xmppConnectionService);
2959                message.setTransferable(transfer);
2960                transfer.start();
2961            } catch (URISyntaxException e) {
2962                Log.d(Config.LOGTAG, "BobTransfer failed to parse URI");
2963            }
2964        } else {
2965            activity.xmppConnectionService
2966                    .getHttpConnectionManager()
2967                    .createNewDownloadConnection(message, true);
2968        }
2969    }
2970
2971    @SuppressLint("InflateParams")
2972    protected void clearHistoryDialog(final Conversation conversation) {
2973        final MaterialAlertDialogBuilder builder =
2974                new MaterialAlertDialogBuilder(requireActivity());
2975        builder.setTitle(R.string.clear_conversation_history);
2976        final View dialogView =
2977                requireActivity().getLayoutInflater().inflate(R.layout.dialog_clear_history, null);
2978        final CheckBox endConversationCheckBox =
2979                dialogView.findViewById(R.id.end_conversation_checkbox);
2980        builder.setView(dialogView);
2981        builder.setNegativeButton(getString(R.string.cancel), null);
2982        builder.setPositiveButton(
2983                getString(R.string.confirm),
2984                (dialog, which) -> {
2985                    this.activity.xmppConnectionService.clearConversationHistory(conversation);
2986                    if (endConversationCheckBox.isChecked()) {
2987                        this.activity.xmppConnectionService.archiveConversation(conversation);
2988                        this.activity.onConversationArchived(conversation);
2989                    } else {
2990                        activity.onConversationsListItemUpdated();
2991                        refresh();
2992                    }
2993                });
2994        builder.create().show();
2995    }
2996
2997    protected void muteConversationDialog(final Conversation conversation) {
2998        final MaterialAlertDialogBuilder builder =
2999                new MaterialAlertDialogBuilder(requireActivity());
3000        builder.setTitle(R.string.disable_notifications);
3001        final int[] durations = activity.getResources().getIntArray(R.array.mute_options_durations);
3002        final CharSequence[] labels = new CharSequence[durations.length];
3003        for (int i = 0; i < durations.length; ++i) {
3004            if (durations[i] == -1) {
3005                labels[i] = activity.getString(R.string.until_further_notice);
3006            } else {
3007                labels[i] = TimeFrameUtils.resolve(activity, 1000L * durations[i]);
3008            }
3009        }
3010        builder.setItems(
3011                labels,
3012                (dialog, which) -> {
3013                    final long till;
3014                    if (durations[which] == -1) {
3015                        till = Long.MAX_VALUE;
3016                    } else {
3017                        till = System.currentTimeMillis() + (durations[which] * 1000L);
3018                    }
3019                    conversation.setMutedTill(till);
3020                    activity.xmppConnectionService.updateConversation(conversation);
3021                    activity.onConversationsListItemUpdated();
3022                    refresh();
3023                    activity.invalidateOptionsMenu();
3024                });
3025        builder.create().show();
3026    }
3027
3028    private boolean hasPermissions(int requestCode, List<String> permissions) {
3029        final List<String> missingPermissions = new ArrayList<>();
3030        for (String permission : permissions) {
3031            if ((Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU
3032                            || Config.ONLY_INTERNAL_STORAGE)
3033                    && permission.equals(Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
3034                continue;
3035            }
3036            if (activity.checkSelfPermission(permission) != PackageManager.PERMISSION_GRANTED) {
3037                missingPermissions.add(permission);
3038            }
3039        }
3040        if (missingPermissions.size() == 0) {
3041            return true;
3042        } else {
3043            requestPermissions(missingPermissions.toArray(new String[0]), requestCode);
3044            return false;
3045        }
3046    }
3047
3048    private boolean hasPermissions(int requestCode, String... permissions) {
3049        return hasPermissions(requestCode, ImmutableList.copyOf(permissions));
3050    }
3051
3052    public void unMuteConversation(final Conversation conversation) {
3053        conversation.setMutedTill(0);
3054        this.activity.xmppConnectionService.updateConversation(conversation);
3055        this.activity.onConversationsListItemUpdated();
3056        refresh();
3057        this.activity.invalidateOptionsMenu();
3058    }
3059
3060    protected void invokeAttachFileIntent(final int attachmentChoice) {
3061        Intent intent = new Intent();
3062
3063        final var takePhotoIntent = new Intent();
3064        final Uri takePhotoUri = activity.xmppConnectionService.getFileBackend().getTakePhotoUri();
3065        pendingTakePhotoUri.push(takePhotoUri);
3066        takePhotoIntent.putExtra(MediaStore.EXTRA_OUTPUT, takePhotoUri);
3067        takePhotoIntent.addFlags(Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
3068        takePhotoIntent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
3069        takePhotoIntent.setAction(MediaStore.ACTION_IMAGE_CAPTURE);
3070
3071        final var takeVideoIntent = new Intent();
3072        takeVideoIntent.setAction(MediaStore.ACTION_VIDEO_CAPTURE);
3073
3074        switch (attachmentChoice) {
3075            case ATTACHMENT_CHOICE_CHOOSE_IMAGE:
3076                intent.setAction(Intent.ACTION_GET_CONTENT);
3077                intent.putExtra(Intent.EXTRA_ALLOW_MULTIPLE, true);
3078                intent.setType("*/*");
3079                intent.putExtra(Intent.EXTRA_MIME_TYPES, new String[] {"image/*", "video/*"});
3080                intent = Intent.createChooser(intent, getString(R.string.perform_action_with));
3081                if (activity.checkSelfPermission(Manifest.permission.CAMERA) == PackageManager.PERMISSION_GRANTED) {
3082                    intent.putExtra(Intent.EXTRA_INITIAL_INTENTS, new Intent[] { takePhotoIntent, takeVideoIntent });
3083                }
3084                break;
3085            case ATTACHMENT_CHOICE_RECORD_VIDEO:
3086                intent = takeVideoIntent;
3087                break;
3088            case ATTACHMENT_CHOICE_TAKE_PHOTO:
3089                intent = takePhotoIntent;
3090                break;
3091            case ATTACHMENT_CHOICE_CHOOSE_FILE:
3092                intent.setAction(Intent.ACTION_GET_CONTENT);
3093                intent.putExtra(Intent.EXTRA_ALLOW_MULTIPLE, true);
3094                intent.setType("*/*");
3095                intent.addCategory(Intent.CATEGORY_OPENABLE);
3096                intent = Intent.createChooser(intent, getString(R.string.perform_action_with));
3097                break;
3098            case ATTACHMENT_CHOICE_RECORD_VOICE:
3099                intent = new Intent(getActivity(), RecordingActivity.class);
3100                break;
3101            case ATTACHMENT_CHOICE_LOCATION:
3102                intent = GeoHelper.getFetchIntent(activity);
3103                break;
3104        }
3105        final Context context = getActivity();
3106        if (context == null) {
3107            return;
3108        }
3109        try {
3110            startActivityForResult(intent, attachmentChoice);
3111        } catch (final ActivityNotFoundException e) {
3112            Toast.makeText(context, R.string.no_application_found, Toast.LENGTH_LONG).show();
3113        }
3114    }
3115
3116    @Override
3117    public void onResume() {
3118        super.onResume();
3119        binding.messagesView.post(this::fireReadEvent);
3120    }
3121
3122    private void fireReadEvent() {
3123        if (activity != null && this.conversation != null) {
3124            String uuid = getLastVisibleMessageUuid();
3125            if (uuid != null) {
3126                activity.onConversationRead(this.conversation, uuid);
3127            }
3128        }
3129    }
3130
3131    private void newSubThread() {
3132        Element oldThread = conversation.getThread();
3133        Element thread = new Element("thread", "jabber:client");
3134        thread.setContent(UUID.randomUUID().toString());
3135        if (oldThread != null) thread.setAttribute("parent", oldThread.getContent());
3136        setThread(thread);
3137    }
3138
3139    private void newThread() {
3140        Element thread = new Element("thread", "jabber:client");
3141        thread.setContent(UUID.randomUUID().toString());
3142        setThread(thread);
3143    }
3144
3145    private void updateThreadFromLastMessage() {
3146        if (this.conversation != null && !this.conversation.getUserSelectedThread() && TextUtils.isEmpty(binding.textinput.getText())) {
3147            Message message = getLastVisibleMessage();
3148            if (message == null) {
3149                newThread();
3150            } else {
3151                if (conversation.getMode() == Conversation.MODE_MULTI) {
3152                    if (activity == null || activity.xmppConnectionService == null) return;
3153                    if (message.getStatus() < Message.STATUS_SEND) {
3154                        if (!activity.xmppConnectionService.getBooleanPreference("follow_thread_in_channel", R.bool.follow_thread_in_channel)) return;
3155                    }
3156                }
3157
3158                setThread(message.getThread());
3159            }
3160        }
3161    }
3162
3163    private String getLastVisibleMessageUuid() {
3164        Message message =  getLastVisibleMessage();
3165        return message == null ? null : message.getUuid();
3166    }
3167
3168    private Message getLastVisibleMessage() {
3169        if (binding == null) {
3170            return null;
3171        }
3172        synchronized (this.messageList) {
3173            int pos = binding.messagesView.getLastVisiblePosition();
3174            if (pos >= 0) {
3175                Message message = null;
3176                for (int i = pos; i >= 0; --i) {
3177                    try {
3178                        message = (Message) binding.messagesView.getItemAtPosition(i);
3179                    } catch (IndexOutOfBoundsException e) {
3180                        // should not happen if we synchronize properly. however if that fails we
3181                        // just gonna try item -1
3182                        continue;
3183                    }
3184                    if (message.getType() != Message.TYPE_STATUS) {
3185                        break;
3186                    }
3187                }
3188                if (message != null) {
3189                    return message;
3190                }
3191            }
3192        }
3193        return null;
3194    }
3195
3196    private void openWith(final Message message) {
3197        if (message.isGeoUri()) {
3198            GeoHelper.view(getActivity(), message);
3199        } else {
3200            final DownloadableFile file =
3201                    activity.xmppConnectionService.getFileBackend().getFile(message);
3202            final var fp = message.getFileParams();
3203            final var name = fp == null ? null : fp.getName();
3204            final var displayName = name == null ? file.getName() : name;
3205            ViewUtil.view(activity, file, displayName);
3206        }
3207    }
3208
3209    public void addReaction(final Message message) {
3210        activity.addReaction(emoji -> {
3211            setupReply(message);
3212            binding.textinput.setText(emoji.toInsert());
3213            sendMessage();
3214        });
3215    }
3216
3217    private void reportMessage(final Message message) {
3218        BlockContactDialog.show(activity, conversation.getContact(), message.getServerMsgId());
3219    }
3220
3221    private void showErrorMessage(final Message message) {
3222        final MaterialAlertDialogBuilder builder =
3223                new MaterialAlertDialogBuilder(requireActivity());
3224        builder.setTitle(R.string.error_message);
3225        final String errorMessage = message.getErrorMessage();
3226        final String[] errorMessageParts =
3227                errorMessage == null ? new String[0] : errorMessage.split("\\u001f");
3228        final String displayError;
3229        if (errorMessageParts.length == 2) {
3230            displayError = errorMessageParts[1];
3231        } else {
3232            displayError = errorMessage;
3233        }
3234        builder.setMessage(displayError);
3235        builder.setNegativeButton(
3236                R.string.copy_to_clipboard,
3237                (dialog, which) -> {
3238                    if (activity.copyTextToClipboard(displayError, R.string.error_message)
3239                            && Build.VERSION.SDK_INT < Build.VERSION_CODES.TIRAMISU) {
3240                        Toast.makeText(
3241                                        activity,
3242                                        R.string.error_message_copied_to_clipboard,
3243                                        Toast.LENGTH_SHORT)
3244                                .show();
3245                    }
3246                });
3247        builder.setPositiveButton(R.string.confirm, null);
3248        builder.create().show();
3249    }
3250
3251    public boolean onInlineImageLongClicked(Cid cid) {
3252        DownloadableFile f = activity.xmppConnectionService.getFileForCid(cid);
3253        if (f == null) return false;
3254
3255        saveAsSticker(f, null);
3256        return true;
3257    }
3258
3259    private void saveAsSticker(final Message m) {
3260        String existingName = m.getFileParams() != null && m.getFileParams().getName() != null ? m.getFileParams().getName() : "";
3261        existingName = existingName.lastIndexOf(".") == -1 ? existingName : existingName.substring(0, existingName.lastIndexOf("."));
3262        saveAsSticker(activity.xmppConnectionService.getFileBackend().getFile(m), existingName);
3263    }
3264
3265    private void saveAsSticker(final File file, final String name) {
3266        savingAsSticker = file;
3267
3268        Intent intent = new Intent(Intent.ACTION_CREATE_DOCUMENT);
3269        intent.addCategory(Intent.CATEGORY_OPENABLE);
3270        intent.setType(MimeUtils.guessMimeTypeFromUri(activity, activity.xmppConnectionService.getFileBackend().getUriForFile(activity, file, file.getName())));
3271        intent.putExtra(Intent.EXTRA_TITLE, name);
3272
3273        SharedPreferences p = PreferenceManager.getDefaultSharedPreferences(activity);
3274        final String dir = p.getString("sticker_directory", "Stickers");
3275        if (dir.startsWith("content://")) {
3276            intent.putExtra("android.provider.extra.INITIAL_URI", Uri.parse(dir));
3277        } else {
3278            new File(Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES) + "/" + dir + "/User Pack").mkdirs();
3279            Uri uri;
3280            if (Build.VERSION.SDK_INT >= 29) {
3281                Intent tmp = ((StorageManager) activity.getSystemService(Context.STORAGE_SERVICE)).getPrimaryStorageVolume().createOpenDocumentTreeIntent();
3282                uri = tmp.getParcelableExtra("android.provider.extra.INITIAL_URI");
3283                uri = Uri.parse(uri.toString().replace("/root/", "/document/") + "%3APictures%2F" + dir);
3284            } else {
3285                uri = Uri.parse("content://com.android.externalstorage.documents/document/primary%3APictures%2F" + dir);
3286            }
3287            intent.putExtra("android.provider.extra.INITIAL_URI", uri);
3288            intent.putExtra("android.content.extra.SHOW_ADVANCED", true);
3289        }
3290
3291        Toast.makeText(activity, "Choose a sticker pack to add this sticker to", Toast.LENGTH_SHORT).show();
3292        startActivityForResult(Intent.createChooser(intent, "Choose sticker pack"), REQUEST_SAVE_STICKER);
3293    }
3294
3295    private void deleteFile(final Message message) {
3296        final MaterialAlertDialogBuilder builder =
3297                new MaterialAlertDialogBuilder(requireActivity());
3298        builder.setNegativeButton(R.string.cancel, null);
3299        builder.setTitle(R.string.delete_file_dialog);
3300        builder.setMessage(R.string.delete_file_dialog_msg);
3301        builder.setPositiveButton(
3302                R.string.confirm,
3303                (dialog, which) -> {
3304                    List<Element> thumbs = selectedMessage.getFileParams() != null ? selectedMessage.getFileParams().getThumbnails() : null;
3305                    if (thumbs != null && !thumbs.isEmpty()) {
3306                        for (Element thumb : thumbs) {
3307                            Uri uri = Uri.parse(thumb.getAttribute("uri"));
3308                            if (uri.getScheme().equals("cid")) {
3309                                Cid cid = BobTransfer.cid(uri);
3310                                if (cid == null) continue;
3311                                DownloadableFile f = activity.xmppConnectionService.getFileForCid(cid);
3312                                activity.xmppConnectionService.evictPreview(f);
3313                                f.delete();
3314                            }
3315                        }
3316                    }
3317                    if (activity.xmppConnectionService.getFileBackend().deleteFile(message)) {
3318                        activity.xmppConnectionService.evictPreview(activity.xmppConnectionService.getFileBackend().getFile(message));
3319                        activity.xmppConnectionService.updateMessage(message, false);
3320                        activity.onConversationsListItemUpdated();
3321                        refresh();
3322                    }
3323                });
3324        builder.create().show();
3325    }
3326
3327    private void resendMessage(final Message message, final boolean forceP2P) {
3328        if (message.isFileOrImage()) {
3329            if (!(message.getConversation() instanceof Conversation conversation)) {
3330                return;
3331            }
3332            final DownloadableFile file =
3333                    activity.xmppConnectionService.getFileBackend().getFile(message);
3334            if ((file.exists() && file.canRead()) || message.hasFileOnRemoteHost()) {
3335                final XmppConnection xmppConnection = conversation.getAccount().getXmppConnection();
3336                if (!message.hasFileOnRemoteHost()
3337                        && xmppConnection != null
3338                        && conversation.getMode() == Conversational.MODE_SINGLE
3339                        && (!xmppConnection
3340                                        .getManager(HttpUploadManager.class)
3341                                        .isAvailableForSize(message.getFileParams().getSize())
3342                                || forceP2P)) {
3343                    activity.selectPresence(
3344                            conversation,
3345                            () -> {
3346                                message.setCounterpart(conversation.getNextCounterpart());
3347                                activity.xmppConnectionService.resendFailedMessages(
3348                                        message, forceP2P);
3349                                new Handler()
3350                                        .post(
3351                                                () -> {
3352                                                    int size = messageList.size();
3353                                                    this.binding.messagesView.setSelection(
3354                                                            size - 1);
3355                                                });
3356                            });
3357                    return;
3358                }
3359            } else if (!Compatibility.hasStoragePermission(getActivity())) {
3360                Toast.makeText(activity, R.string.no_storage_permission, Toast.LENGTH_SHORT).show();
3361                return;
3362            } else {
3363                Toast.makeText(activity, R.string.file_deleted, Toast.LENGTH_SHORT).show();
3364                message.setDeleted(true);
3365                activity.xmppConnectionService.updateMessage(message, false);
3366                activity.onConversationsListItemUpdated();
3367                refresh();
3368                return;
3369            }
3370        }
3371        activity.xmppConnectionService.resendFailedMessages(message, false);
3372        new Handler()
3373                .post(
3374                        () -> {
3375                            int size = messageList.size();
3376                            this.binding.messagesView.setSelection(size - 1);
3377                        });
3378    }
3379
3380    private void cancelTransmission(Message message) {
3381        Transferable transferable = message.getTransferable();
3382        if (transferable != null) {
3383            transferable.cancel();
3384        } else if (message.getStatus() != Message.STATUS_RECEIVED) {
3385            activity.xmppConnectionService.markMessage(
3386                    message, Message.STATUS_SEND_FAILED, Message.ERROR_MESSAGE_CANCELLED);
3387        }
3388    }
3389
3390    private void retryDecryption(Message message) {
3391        message.setEncryption(Message.ENCRYPTION_PGP);
3392        activity.onConversationsListItemUpdated();
3393        refresh();
3394        conversation.getAccount().getPgpDecryptionService().decrypt(message, false);
3395    }
3396
3397    public void privateMessageWith(final Jid counterpart) {
3398        if (conversation.setOutgoingChatState(Config.DEFAULT_CHAT_STATE)) {
3399            activity.xmppConnectionService.sendChatState(conversation);
3400        }
3401        this.binding.textinput.setText("");
3402        this.conversation.setNextCounterpart(counterpart);
3403        updateChatMsgHint();
3404        updateSendButton();
3405        updateEditablity();
3406    }
3407
3408    private void correctMessage(final Message message) {
3409        setThread(message.getThread());
3410        conversation.setUserSelectedThread(true);
3411        this.conversation.setCorrectingMessage(message);
3412        final Editable editable = binding.textinput.getText();
3413        this.conversation.setDraftMessage(editable.toString());
3414        this.binding.textinput.setText("");
3415        this.binding.textinput.append(message.getBody(true));
3416        if (message.getSubject() != null && message.getSubject().length() > 0) {
3417            this.binding.textinputSubject.setText(message.getSubject());
3418            this.binding.textinputSubject.setVisibility(View.VISIBLE);
3419        }
3420        setupReply(message.getInReplyTo());
3421    }
3422
3423    private void highlightInConference(String nick) {
3424        final Editable editable = this.binding.textinput.getText();
3425        String oldString = editable.toString().trim();
3426        final int pos = this.binding.textinput.getSelectionStart();
3427        if (oldString.isEmpty() || pos == 0) {
3428            editable.insert(0, nick + ": ");
3429        } else {
3430            final char before = editable.charAt(pos - 1);
3431            final char after = editable.length() > pos ? editable.charAt(pos) : '\0';
3432            if (before == '\n') {
3433                editable.insert(pos, nick + ": ");
3434            } else {
3435                if (pos > 2 && editable.subSequence(pos - 2, pos).toString().equals(": ")) {
3436                    if (NickValidityChecker.check(
3437                            conversation,
3438                            Arrays.asList(
3439                                    editable.subSequence(0, pos - 2).toString().split(", ")))) {
3440                        editable.insert(pos - 2, ", " + nick);
3441                        return;
3442                    }
3443                }
3444                editable.insert(
3445                        pos,
3446                        (Character.isWhitespace(before) ? "" : " ")
3447                                + nick
3448                                + (Character.isWhitespace(after) ? "" : " "));
3449                if (Character.isWhitespace(after)) {
3450                    this.binding.textinput.setSelection(
3451                            this.binding.textinput.getSelectionStart() + 1);
3452                }
3453            }
3454        }
3455    }
3456
3457    @Override
3458    public void startActivityForResult(Intent intent, int requestCode) {
3459        final Activity activity = getActivity();
3460        if (activity instanceof ConversationsActivity) {
3461            ((ConversationsActivity) activity).clearPendingViewIntent();
3462        }
3463        super.startActivityForResult(intent, requestCode);
3464    }
3465
3466    @Override
3467    public void onSaveInstanceState(@NonNull Bundle outState) {
3468        super.onSaveInstanceState(outState);
3469        if (conversation != null) {
3470            outState.putString(STATE_CONVERSATION_UUID, conversation.getUuid());
3471            outState.putString(STATE_LAST_MESSAGE_UUID, lastMessageUuid);
3472            final Uri uri = pendingTakePhotoUri.peek();
3473            if (uri != null) {
3474                outState.putString(STATE_PHOTO_URI, uri.toString());
3475            }
3476            final ScrollState scrollState = getScrollPosition();
3477            if (scrollState != null) {
3478                outState.putParcelable(STATE_SCROLL_POSITION, scrollState);
3479            }
3480            final ArrayList<Attachment> attachments =
3481                    mediaPreviewAdapter == null
3482                            ? new ArrayList<>()
3483                            : mediaPreviewAdapter.getAttachments();
3484            if (attachments.size() > 0) {
3485                outState.putParcelableArrayList(STATE_MEDIA_PREVIEWS, attachments);
3486            }
3487        }
3488    }
3489
3490    @Override
3491    public void onActivityCreated(Bundle savedInstanceState) {
3492        super.onActivityCreated(savedInstanceState);
3493        if (savedInstanceState == null) {
3494            return;
3495        }
3496        String uuid = savedInstanceState.getString(STATE_CONVERSATION_UUID);
3497        ArrayList<Attachment> attachments =
3498                savedInstanceState.getParcelableArrayList(STATE_MEDIA_PREVIEWS);
3499        pendingLastMessageUuid.push(savedInstanceState.getString(STATE_LAST_MESSAGE_UUID, null));
3500        if (uuid != null) {
3501            QuickLoader.set(uuid);
3502            this.pendingConversationsUuid.push(uuid);
3503            if (attachments != null && attachments.size() > 0) {
3504                this.pendingMediaPreviews.push(attachments);
3505            }
3506            String takePhotoUri = savedInstanceState.getString(STATE_PHOTO_URI);
3507            if (takePhotoUri != null) {
3508                pendingTakePhotoUri.push(Uri.parse(takePhotoUri));
3509            }
3510            pendingScrollState.push(savedInstanceState.getParcelable(STATE_SCROLL_POSITION));
3511        }
3512    }
3513
3514    @Override
3515    public void onStart() {
3516        super.onStart();
3517        if (this.reInitRequiredOnStart && this.conversation != null) {
3518            final Bundle extras = pendingExtras.pop();
3519            reInit(this.conversation, extras != null, extras != null && extras.getString(ConversationsActivity.EXTRA_MESSAGE_UUID) != null);
3520            if (extras != null) {
3521                processExtras(extras);
3522            }
3523        } else if (conversation == null
3524                && activity != null
3525                && activity.xmppConnectionService != null) {
3526            final String uuid = pendingConversationsUuid.pop();
3527            Log.d(
3528                    Config.LOGTAG,
3529                    "ConversationFragment.onStart() - activity was bound but no conversation"
3530                            + " loaded. uuid="
3531                            + uuid);
3532            if (uuid != null) {
3533                findAndReInitByUuidOrArchive(uuid);
3534            }
3535        }
3536    }
3537
3538    @Override
3539    public void onStop() {
3540        super.onStop();
3541        final Activity activity = getActivity();
3542        messageListAdapter.unregisterListenerInAudioPlayer();
3543        if (activity == null || !activity.isChangingConfigurations()) {
3544            hideSoftKeyboard(activity);
3545            messageListAdapter.stopAudioPlayer();
3546        }
3547        if (this.conversation != null) {
3548            final String msg = this.binding.textinput.getText().toString();
3549            storeNextMessage(msg);
3550            updateChatState(this.conversation, msg);
3551            this.activity.xmppConnectionService.getNotificationService().setOpenConversation(null);
3552        }
3553        this.reInitRequiredOnStart = true;
3554    }
3555
3556    private void updateChatState(final Conversation conversation, final String msg) {
3557        ChatState state = msg.length() == 0 ? Config.DEFAULT_CHAT_STATE : ChatState.PAUSED;
3558        Account.State status = conversation.getAccount().getStatus();
3559        if (status == Account.State.ONLINE && conversation.setOutgoingChatState(state)) {
3560            activity.xmppConnectionService.sendChatState(conversation);
3561        }
3562    }
3563
3564    private void saveMessageDraftStopAudioPlayer() {
3565        final Conversation previousConversation = this.conversation;
3566        if (this.activity == null || this.binding == null || previousConversation == null) {
3567            return;
3568        }
3569        Log.d(Config.LOGTAG, "ConversationFragment.saveMessageDraftStopAudioPlayer()");
3570        final String msg = this.binding.textinput.getText().toString();
3571        storeNextMessage(msg);
3572        updateChatState(this.conversation, msg);
3573        messageListAdapter.stopAudioPlayer();
3574        mediaPreviewAdapter.clearPreviews();
3575        toggleInputMethod();
3576    }
3577
3578    public void reInit(final Conversation conversation, final Bundle extras) {
3579        QuickLoader.set(conversation.getUuid());
3580        final boolean changedConversation = this.conversation != conversation;
3581        if (changedConversation) {
3582            this.saveMessageDraftStopAudioPlayer();
3583        }
3584        this.clearPending();
3585        if (this.reInit(conversation, extras != null, extras != null && extras.getString(ConversationsActivity.EXTRA_MESSAGE_UUID) != null)) {
3586            if (extras != null) {
3587                processExtras(extras);
3588            }
3589            this.reInitRequiredOnStart = false;
3590        } else {
3591            this.reInitRequiredOnStart = true;
3592            pendingExtras.push(extras);
3593        }
3594        resetUnreadMessagesCount();
3595    }
3596
3597    private void reInit(Conversation conversation) {
3598        reInit(conversation, false, false);
3599        if (activity != null) {
3600            activity.getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_ADJUST_PAN);
3601        }
3602    }
3603
3604    private boolean reInit(final Conversation conversation, final boolean hasExtras, final boolean hasMessageUUID) {
3605        if (conversation == null) {
3606            return false;
3607        }
3608        final Conversation originalConversation = this.conversation;
3609        this.conversation = conversation;
3610        // once we set the conversation all is good and it will automatically do the right thing in
3611        // onStart()
3612        if (this.activity == null || this.binding == null) {
3613            return false;
3614        }
3615
3616        if (!activity.xmppConnectionService.isConversationStillOpen(this.conversation)) {
3617            activity.onConversationArchived(this.conversation);
3618            return false;
3619        }
3620
3621        final var cursord = activity.getDrawable(R.drawable.cursor_on_tertiary_container);
3622        if (activity.xmppConnectionService != null && activity.xmppConnectionService.getAccounts().size() > 1) {
3623            final var bg = MaterialColors.getColor(binding.textinput, com.google.android.material.R.attr.colorSurface);
3624            final var accountColor = conversation.getAccount().getColor(activity.isDark());
3625            final var colors = MaterialColors.getColorRoles(activity, accountColor);
3626            final var accent = activity.isDark() ? ColorUtils.blendARGB(colors.getAccentContainer(), bg, 1.0f - Math.max(0.25f, Color.alpha(accountColor) / 255.0f)) : colors.getAccentContainer();
3627            cursord.setTintList(ColorStateList.valueOf(colors.getOnAccentContainer()));
3628            binding.inputLayout.setBackgroundTintList(ColorStateList.valueOf(accent));
3629            binding.textinputSubject.setTextColor(colors.getOnAccentContainer());
3630            binding.textinput.setTextColor(colors.getOnAccentContainer());
3631            binding.textinputSubject.setHintTextColor(ColorStateList.valueOf(colors.getOnAccentContainer()).withAlpha(115));
3632            binding.textinput.setHintTextColor(ColorStateList.valueOf(colors.getOnAccentContainer()).withAlpha(115));
3633            binding.textInputHint.setTextColor(colors.getOnAccentContainer());
3634        } else {
3635            cursord.setTintList(ColorStateList.valueOf(MaterialColors.getColor(binding.textinput, com.google.android.material.R.attr.colorOnTertiaryContainer)));
3636            binding.inputLayout.setBackgroundTintList(ColorStateList.valueOf(MaterialColors.getColor(binding.inputLayout, com.google.android.material.R.attr.colorTertiaryContainer)));
3637            binding.textinputSubject.setTextColor(MaterialColors.getColor(binding.textinputSubject, com.google.android.material.R.attr.colorOnTertiaryContainer));
3638            binding.textinput.setTextColor(MaterialColors.getColor(binding.textinput, com.google.android.material.R.attr.colorOnTertiaryContainer));
3639            binding.textinputSubject.setHintTextColor(R.color.hint_on_tertiary_container);
3640            binding.textinput.setHintTextColor(R.color.hint_on_tertiary_container);
3641            binding.textInputHint.setTextColor(MaterialColors.getColor(binding.textInputHint, com.google.android.material.R.attr.colorOnTertiaryContainer));
3642        }
3643        if (Build.VERSION.SDK_INT >= 29) {
3644            binding.textinputSubject.setTextCursorDrawable(cursord);
3645            binding.textinput.setTextCursorDrawable(cursord);
3646        }
3647
3648        setThread(conversation.getThread());
3649        setupReply(conversation.getReplyTo());
3650
3651        stopScrolling();
3652        Log.d(Config.LOGTAG, "reInit(hasExtras=" + hasExtras + ")");
3653
3654        if (this.conversation.isRead(activity == null ? null : activity.xmppConnectionService) && hasExtras) {
3655            Log.d(Config.LOGTAG, "trimming conversation");
3656            this.conversation.trim();
3657        }
3658
3659        setupIme();
3660
3661        final boolean scrolledToBottomAndNoPending =
3662                this.scrolledToBottom() && pendingScrollState.peek() == null;
3663
3664        this.binding.textSendButton.setContentDescription(
3665                activity.getString(R.string.send_message_to_x, conversation.getName()));
3666        this.binding.textinput.setKeyboardListener(null);
3667        this.binding.textinputSubject.setKeyboardListener(null);
3668        final boolean participating =
3669                conversation.getMode() == Conversational.MODE_SINGLE
3670                        || conversation.getMucOptions().participating();
3671        if (participating) {
3672            this.binding.textinput.setText(this.conversation.getNextMessage());
3673            this.binding.textinput.setSelection(this.binding.textinput.length());
3674        } else {
3675            this.binding.textinput.setText(MessageUtils.EMPTY_STRING);
3676        }
3677        this.binding.textinput.setKeyboardListener(this);
3678        this.binding.textinputSubject.setKeyboardListener(this);
3679        messageListAdapter.updatePreferences();
3680        refresh(false);
3681        activity.invalidateOptionsMenu();
3682        this.conversation.messagesLoaded.set(true);
3683        Log.d(Config.LOGTAG, "scrolledToBottomAndNoPending=" + scrolledToBottomAndNoPending);
3684
3685        if (!hasMessageUUID && (hasExtras || scrolledToBottomAndNoPending)) {
3686            resetUnreadMessagesCount();
3687            synchronized (this.messageList) {
3688                Log.d(Config.LOGTAG, "jump to first unread message");
3689                final Message first = conversation.getFirstUnreadMessage();
3690                final int bottom = Math.max(0, this.messageList.size() - 1);
3691                final int pos;
3692                final boolean jumpToBottom;
3693                if (first == null) {
3694                    pos = bottom;
3695                    jumpToBottom = true;
3696                } else {
3697                    int i = getIndexOf(first.getUuid(), this.messageList);
3698                    pos = i < 0 ? bottom : i;
3699                    jumpToBottom = false;
3700                }
3701                setSelection(pos, jumpToBottom);
3702            }
3703        }
3704
3705        this.binding.messagesView.post(this::fireReadEvent);
3706        // TODO if we only do this when this fragment is running on main it won't *bing* in tablet
3707        // layout which might be unnecessary since we can *see* it
3708        activity.xmppConnectionService
3709                .getNotificationService()
3710                .setOpenConversation(this.conversation);
3711
3712        if (commandAdapter != null && conversation != originalConversation) {
3713            commandAdapter.clear();
3714            conversation.setupViewPager(binding.conversationViewPager, binding.tabLayout, activity.xmppConnectionService.isOnboarding(), originalConversation);
3715            refreshCommands(false);
3716        }
3717        if (commandAdapter == null && conversation != null) {
3718            conversation.setupViewPager(binding.conversationViewPager, binding.tabLayout, activity.xmppConnectionService.isOnboarding(), null);
3719            commandAdapter = new CommandAdapter((XmppActivity) getActivity());
3720            binding.commandsView.setAdapter(commandAdapter);
3721            binding.commandsView.setOnItemClickListener((parent, view, position, id) -> {
3722                if (activity == null) return;
3723
3724                commandAdapter.getItem(position).start(activity, ConversationFragment.this.conversation);
3725            });
3726            refreshCommands(false);
3727        }
3728        binding.commandsNote.setVisibility(activity.xmppConnectionService.isOnboarding() ? View.VISIBLE : View.GONE);
3729        replyJumps.clear();
3730        return true;
3731    }
3732
3733    @Override
3734    public void refreshForNewCaps(final Set<Jid> newCapsJids) {
3735        if (newCapsJids.isEmpty() || (conversation != null && newCapsJids.contains(conversation.getJid().asBareJid()))) {
3736            refreshCommands(true);
3737        }
3738    }
3739
3740    protected void refreshCommands(boolean delayShow) {
3741        if (commandAdapter == null) return;
3742
3743        final CommandAdapter.MucConfig mucConfig =
3744            conversation.getMucOptions().getSelf().ranks(Affiliation.OWNER) ?
3745            new CommandAdapter.MucConfig() :
3746            null;
3747
3748        Jid commandJid = conversation.getContact().resourceWhichSupport(Namespace.COMMANDS);
3749        if (commandJid == null && conversation.getMode() == Conversation.MODE_MULTI && conversation.getMucOptions().hasFeature(Namespace.COMMANDS)) {
3750            commandJid = conversation.getJid().asBareJid();
3751        }
3752        if (commandJid == null && conversation.getJid().isDomainJid()) {
3753            commandJid = conversation.getJid();
3754        }
3755        if (commandJid == null) {
3756            binding.commandsViewProgressbar.setVisibility(View.GONE);
3757            if (mucConfig == null) {
3758                conversation.hideViewPager();
3759            } else {
3760                commandAdapter.clear();
3761                commandAdapter.add(mucConfig);
3762                conversation.showViewPager();
3763            }
3764        } else {
3765            if (!delayShow) conversation.showViewPager();
3766            binding.commandsViewProgressbar.setVisibility(View.VISIBLE);
3767            final var discoManager = conversation.getAccount().getXmppConnection().getManager(DiscoManager.class);
3768            final var future = discoManager.items(Entity.discoItem(commandJid), Namespace.COMMANDS);
3769            Futures.addCallback(
3770                    future,
3771                    new FutureCallback<>() {
3772                        @Override
3773                        public void onSuccess(Collection<Item> result) {
3774                            if (activity == null) return;
3775
3776                            activity.runOnUiThread(() -> {
3777                                binding.commandsViewProgressbar.setVisibility(View.GONE);
3778                                commandAdapter.clear();
3779                                for (final var command : result) {
3780                                    commandAdapter.add(new CommandAdapter.Command0050(command));
3781                                }
3782
3783                                if (mucConfig != null) commandAdapter.add(mucConfig);
3784
3785                                if (commandAdapter.getCount() < 1) {
3786                                    conversation.hideViewPager();
3787                                } else if (delayShow) {
3788                                    conversation.showViewPager();
3789                                }
3790                            });
3791
3792                        }
3793
3794                        @Override
3795                        public void onFailure(@NonNull Throwable throwable) {
3796                            Log.d(Config.LOGTAG, "Failed to get commands: " + throwable);
3797
3798                            if (activity == null) return;
3799
3800                            activity.runOnUiThread(() -> {
3801                                binding.commandsViewProgressbar.setVisibility(View.GONE);
3802                                commandAdapter.clear();
3803
3804                                if (mucConfig != null) commandAdapter.add(mucConfig);
3805
3806                                if (commandAdapter.getCount() < 1) {
3807                                    conversation.hideViewPager();
3808                                } else if (delayShow) {
3809                                    conversation.showViewPager();
3810                                }
3811                            });
3812                        }
3813                    },
3814                    MoreExecutors.directExecutor()
3815            );
3816        }
3817    }
3818
3819    private void resetUnreadMessagesCount() {
3820        lastMessageUuid = null;
3821        hideUnreadMessagesCount();
3822    }
3823
3824    private void hideUnreadMessagesCount() {
3825        if (this.binding == null) {
3826            return;
3827        }
3828        this.binding.scrollToBottomButton.setEnabled(false);
3829        this.binding.scrollToBottomButton.hide();
3830        replyJumps.clear();
3831        this.binding.unreadCountCustomView.setVisibility(View.GONE);
3832    }
3833
3834    private void setSelection(int pos, boolean jumpToBottom) {
3835        ListViewUtils.setSelection(this.binding.messagesView, pos, jumpToBottom);
3836        this.binding.messagesView.post(
3837                () -> ListViewUtils.setSelection(this.binding.messagesView, pos, jumpToBottom));
3838        this.binding.messagesView.post(this::fireReadEvent);
3839    }
3840
3841    private boolean scrolledToBottom() {
3842        return !conversation.isInHistoryPart() && this.binding != null && scrolledToBottom(this.binding.messagesView);
3843    }
3844
3845    private void processExtras(final Bundle extras) {
3846        final String downloadUuid = extras.getString(ConversationsActivity.EXTRA_DOWNLOAD_UUID);
3847        final String text = extras.getString(Intent.EXTRA_TEXT);
3848        final String nick = extras.getString(ConversationsActivity.EXTRA_NICK);
3849        final String node = extras.getString(ConversationsActivity.EXTRA_NODE);
3850        final String postInitAction =
3851                extras.getString(ConversationsActivity.EXTRA_POST_INIT_ACTION);
3852        final boolean asQuote = extras.getBoolean(ConversationsActivity.EXTRA_AS_QUOTE);
3853        final boolean pm = extras.getBoolean(ConversationsActivity.EXTRA_IS_PRIVATE_MESSAGE, false);
3854        final boolean doNotAppend =
3855                extras.getBoolean(ConversationsActivity.EXTRA_DO_NOT_APPEND, false);
3856        final String type = extras.getString(ConversationsActivity.EXTRA_TYPE);
3857
3858        final String thread = extras.getString(ConversationsActivity.EXTRA_THREAD);
3859        if (thread != null) {
3860            conversation.setLockThread(true);
3861            backPressedLeaveSingleThread.setEnabled(true);
3862            setThread(new Element("thread").setContent(thread));
3863            refresh();
3864        }
3865
3866        final List<Uri> uris = extractUris(extras);
3867        if (uris != null && uris.size() > 0) {
3868            if (uris.size() == 1 && "geo".equals(uris.get(0).getScheme())) {
3869                mediaPreviewAdapter.addMediaPreviews(
3870                        Attachment.of(getActivity(), uris.get(0), Attachment.Type.LOCATION));
3871            } else {
3872                final List<Uri> cleanedUris = cleanUris(new ArrayList<>(uris));
3873                mediaPreviewAdapter.addMediaPreviews(
3874                        Attachment.of(getActivity(), cleanedUris, type));
3875            }
3876            toggleInputMethod();
3877            return;
3878        }
3879        if (nick != null) {
3880            if (pm) {
3881                Jid jid = conversation.getJid();
3882                try {
3883                    Jid next = Jid.of(jid.getLocal(), jid.getDomain(), nick);
3884                    privateMessageWith(next);
3885                } catch (final IllegalArgumentException ignored) {
3886                    // do nothing
3887                }
3888            } else {
3889                final MucOptions mucOptions = conversation.getMucOptions();
3890                if (mucOptions.participating() || conversation.getNextCounterpart() != null) {
3891                    highlightInConference(nick);
3892                }
3893            }
3894        } else {
3895            if (text != null && Patterns.URI_GEO.matcher(text).matches()) {
3896                mediaPreviewAdapter.addMediaPreviews(
3897                        Attachment.of(getActivity(), Uri.parse(text), Attachment.Type.LOCATION));
3898                toggleInputMethod();
3899                return;
3900            } else if (text != null && asQuote) {
3901                quoteText(text);
3902            } else {
3903                appendText(text, doNotAppend);
3904            }
3905        }
3906        if (ConversationsActivity.POST_ACTION_RECORD_VOICE.equals(postInitAction)) {
3907            attachFile(ATTACHMENT_CHOICE_RECORD_VOICE, false);
3908            return;
3909        }
3910        if ("call".equals(postInitAction)) {
3911            checkPermissionAndTriggerAudioCall();
3912        }
3913        if ("message".equals(postInitAction)) {
3914            binding.conversationViewPager.post(() -> {
3915                binding.conversationViewPager.setCurrentItem(0);
3916            });
3917        }
3918        if ("command".equals(postInitAction)) {
3919            binding.conversationViewPager.post(() -> {
3920                PagerAdapter adapter = binding.conversationViewPager.getAdapter();
3921                if (adapter != null && adapter.getCount() > 1) {
3922                    binding.conversationViewPager.setCurrentItem(1);
3923                }
3924                final String jid = extras.getString(ConversationsActivity.EXTRA_JID);
3925                Jid commandJid = null;
3926                if (jid != null) {
3927                    try {
3928                        commandJid = Jid.of(jid);
3929                    } catch (final IllegalArgumentException e) { }
3930                }
3931                if (commandJid == null || !commandJid.isFullJid()) {
3932                    final Jid discoJid = conversation.getContact().resourceWhichSupport(Namespace.COMMANDS);
3933                    if (discoJid != null) commandJid = discoJid;
3934                }
3935                if (node != null && commandJid != null && activity != null) {
3936                    conversation.startCommand(commandFor(commandJid, node), activity.xmppConnectionService);
3937                }
3938            });
3939            return;
3940        }
3941        Message message =
3942                downloadUuid == null ? null : conversation.findMessageWithFileAndUuid(downloadUuid);
3943        if ("webxdc".equals(postInitAction)) {
3944            if (message == null) {
3945                message = activity.xmppConnectionService.getMessage(conversation, downloadUuid);
3946            }
3947            if (message == null) return;
3948
3949            Cid webxdcCid = message.getFileParams().getCids().get(0);
3950            WebxdcPage webxdc = new WebxdcPage(activity, webxdcCid, message);
3951            Conversation conversation = (Conversation) message.getConversation();
3952            if (!conversation.switchToSession("webxdc\0" + message.getUuid())) {
3953                conversation.startWebxdc(webxdc);
3954            }
3955        }
3956        if (message != null) {
3957            startDownloadable(message);
3958        }
3959        if (activity.xmppConnectionService.isOnboarding() && conversation.getJid().equals(Jid.of("cheogram.com"))) {
3960            if (!conversation.switchToSession("jabber:iq:register")) {
3961                conversation.startCommand(commandFor(Jid.of("cheogram.com/CHEOGRAM%jabber:iq:register"), "jabber:iq:register"), activity.xmppConnectionService);
3962            }
3963        }
3964        String messageUuid = extras.getString(ConversationsActivity.EXTRA_MESSAGE_UUID);
3965        if (messageUuid != null) {
3966            Runnable postSelectionRunnable = () -> highlightMessage(messageUuid);
3967            updateSelection(messageUuid, binding.messagesView.getHeight() / 2, postSelectionRunnable, false, false);
3968        }
3969    }
3970
3971    private Element commandFor(final Jid jid, final String node) {
3972        if (commandAdapter != null) {
3973            for (int i = 0; i < commandAdapter.getCount(); i++) {
3974                final CommandAdapter.Command c = commandAdapter.getItem(i);
3975                if (!(c instanceof CommandAdapter.Command0050)) continue;
3976
3977                final Element command = ((CommandAdapter.Command0050) c).el;
3978                final String commandNode = command.getAttribute("node");
3979                if (commandNode == null || !commandNode.equals(node)) continue;
3980
3981                final Jid commandJid = command.getAttributeAsJid("jid");
3982                if (commandJid != null && !commandJid.asBareJid().equals(jid.asBareJid())) continue;
3983
3984                return command;
3985            }
3986        }
3987
3988        return new Element("command", Namespace.COMMANDS).setAttribute("name", node).setAttribute("node", node).setAttribute("jid", jid);
3989    }
3990
3991    private List<Uri> extractUris(final Bundle extras) {
3992        final List<Uri> uris = extras.getParcelableArrayList(Intent.EXTRA_STREAM);
3993        if (uris != null) {
3994            return uris;
3995        }
3996        final Uri uri = extras.getParcelable(Intent.EXTRA_STREAM);
3997        if (uri != null) {
3998            return Collections.singletonList(uri);
3999        } else {
4000            return null;
4001        }
4002    }
4003
4004    private List<Uri> cleanUris(final List<Uri> uris) {
4005        final Iterator<Uri> iterator = uris.iterator();
4006        while (iterator.hasNext()) {
4007            final Uri uri = iterator.next();
4008            if (FileBackend.dangerousFile(uri)) {
4009                iterator.remove();
4010                Toast.makeText(
4011                                requireActivity(),
4012                                R.string.security_violation_not_attaching_file,
4013                                Toast.LENGTH_SHORT)
4014                        .show();
4015            }
4016        }
4017        return uris;
4018    }
4019
4020    private boolean showBlockSubmenu(View view) {
4021        final Jid jid = conversation.getJid();
4022        final int mode = conversation.getMode();
4023        final var contact = mode == Conversation.MODE_SINGLE ? conversation.getContact() : null;
4024        final boolean showReject = contact.getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST);
4025        PopupMenu popupMenu = new PopupMenu(getActivity(), view);
4026        popupMenu.inflate(R.menu.block);
4027        popupMenu.getMenu().findItem(R.id.block_contact).setVisible(jid.getLocal() != null);
4028        popupMenu.getMenu().findItem(R.id.reject).setVisible(showReject);
4029        popupMenu.getMenu().findItem(R.id.add_contact).setVisible(!contact.showInRoster());
4030        popupMenu.setOnMenuItemClickListener(
4031                menuItem -> {
4032                    Blockable blockable;
4033                    switch (menuItem.getItemId()) {
4034                        case R.id.reject:
4035                            activity.xmppConnectionService.stopPresenceUpdatesTo(
4036                                    conversation.getContact());
4037                            updateSnackBar(conversation);
4038                            return true;
4039                        case R.id.add_contact:
4040                            mAddBackClickListener.onClick(view);
4041                            return true;
4042                        // case R.id.block_domain:
4043                        //     blockable =
4044                        //             conversation
4045                        //                     .getAccount()
4046                        //                     .getRoster()
4047                        //                     .getContact(jid.getDomain());
4048                        //     break;
4049                        default:
4050                            blockable = conversation;
4051                    }
4052                    BlockContactDialog.show(activity, blockable);
4053                    return true;
4054                });
4055        popupMenu.show();
4056        return true;
4057    }
4058
4059    private boolean showBlockMucSubmenu(View view) {
4060        final var jid = conversation.getJid();
4061        final var popupMenu = new PopupMenu(getActivity(), view);
4062        popupMenu.inflate(R.menu.block_muc);
4063        popupMenu.getMenu().findItem(R.id.block_contact).setVisible(jid.getLocal() != null);
4064        popupMenu.setOnMenuItemClickListener(
4065                menuItem -> {
4066                    Blockable blockable;
4067                    switch (menuItem.getItemId()) {
4068                        case R.id.reject:
4069                            activity.xmppConnectionService.clearConversationHistory(conversation);
4070                            activity.xmppConnectionService.archiveConversation(conversation);
4071                            return true;
4072                        case R.id.add_bookmark:
4073                            conversation.getAccount().getXmppConnection().getManager(BookmarkManager.class).save(conversation, "");
4074                            updateSnackBar(conversation);
4075                            return true;
4076                        case R.id.block_contact:
4077                            blockable =
4078                                    conversation
4079                                            .getAccount()
4080                                            .getRoster()
4081                                            .getContact(Jid.of(conversation.getAttribute("inviter")));
4082                            break;
4083                        default:
4084                            blockable = conversation;
4085                    }
4086                    BlockContactDialog.show(activity, blockable);
4087                    activity.xmppConnectionService.archiveConversation(conversation);
4088                    return true;
4089                });
4090        popupMenu.show();
4091        return true;
4092    }
4093
4094    private void updateSnackBar(final Conversation conversation) {
4095        final Account account = conversation.getAccount();
4096        final XmppConnection connection = account.getXmppConnection();
4097        final int mode = conversation.getMode();
4098        final Contact contact = mode == Conversation.MODE_SINGLE ? conversation.getContact() : null;
4099        if (conversation.getStatus() == Conversation.STATUS_ARCHIVED) {
4100            return;
4101        }
4102        if (account.getStatus() == Account.State.DISABLED) {
4103            showSnackbar(
4104                    R.string.this_account_is_disabled,
4105                    R.string.enable,
4106                    this.mEnableAccountListener);
4107        } else if (account.getStatus() == Account.State.LOGGED_OUT) {
4108            showSnackbar(
4109                    R.string.this_account_is_logged_out,
4110                    R.string.log_in,
4111                    this.mEnableAccountListener);
4112        } else if (conversation.isBlocked()) {
4113            showSnackbar(R.string.contact_blocked, R.string.unblock, this.mUnblockClickListener);
4114        } else if (account.getStatus() == Account.State.CONNECTING) {
4115            showSnackbar(R.string.this_account_is_connecting, 0, null);
4116        } else if (account.getStatus() != Account.State.ONLINE) {
4117            showSnackbar(R.string.this_account_is_offline, 0, null);
4118        } else if (contact != null
4119                && !contact.showInRoster()
4120                && contact.getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)) {
4121            showSnackbar(
4122                    R.string.contact_added_you,
4123                    R.string.options,
4124                    this.mBlockClickListener,
4125                    this.mLongPressBlockListener);
4126        } else if (contact != null
4127                && contact.getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)) {
4128            showSnackbar(
4129                    R.string.contact_asks_for_presence_subscription,
4130                    R.string.allow,
4131                    this.mAllowPresenceSubscription,
4132                    this.mLongPressBlockListener);
4133        } else if (mode == Conversation.MODE_MULTI
4134                && !conversation.getMucOptions().online()
4135                && account.getStatus() == Account.State.ONLINE) {
4136            switch (conversation.getMucOptions().getError()) {
4137                case NICK_IN_USE:
4138                    showSnackbar(R.string.nick_in_use, R.string.edit, clickToMuc);
4139                    break;
4140                case NO_RESPONSE:
4141                    showSnackbar(R.string.joining_conference, 0, null);
4142                    break;
4143                case SERVER_NOT_FOUND:
4144                    if (conversation.receivedMessagesCount() > 0) {
4145                        showSnackbar(R.string.remote_server_not_found, R.string.try_again, joinMuc);
4146                    } else {
4147                        showSnackbar(R.string.remote_server_not_found, R.string.leave, leaveMuc);
4148                    }
4149                    break;
4150                case REMOTE_SERVER_TIMEOUT:
4151                    if (conversation.receivedMessagesCount() > 0) {
4152                        showSnackbar(R.string.remote_server_timeout, R.string.try_again, joinMuc);
4153                    } else {
4154                        showSnackbar(R.string.remote_server_timeout, R.string.leave, leaveMuc);
4155                    }
4156                    break;
4157                case PASSWORD_REQUIRED:
4158                    showSnackbar(
4159                            R.string.conference_requires_password,
4160                            R.string.enter_password,
4161                            enterPassword);
4162                    break;
4163                case BANNED:
4164                    showSnackbar(R.string.conference_banned, R.string.leave, leaveMuc);
4165                    break;
4166                case MEMBERS_ONLY:
4167                    showSnackbar(R.string.conference_members_only, R.string.leave, leaveMuc);
4168                    break;
4169                case RESOURCE_CONSTRAINT:
4170                    showSnackbar(
4171                            R.string.conference_resource_constraint, R.string.try_again, joinMuc);
4172                    break;
4173                case KICKED:
4174                    showSnackbar(R.string.conference_kicked, R.string.join, joinMuc);
4175                    break;
4176                case TECHNICAL_PROBLEMS:
4177                    showSnackbar(
4178                            R.string.conference_technical_problems, R.string.try_again, joinMuc);
4179                    break;
4180                case UNKNOWN:
4181                    showSnackbar(R.string.conference_unknown_error, R.string.try_again, joinMuc);
4182                    break;
4183                case INVALID_NICK:
4184                    showSnackbar(R.string.invalid_muc_nick, R.string.edit, clickToMuc);
4185                case SHUTDOWN:
4186                    showSnackbar(R.string.conference_shutdown, R.string.try_again, joinMuc);
4187                    break;
4188                case DESTROYED:
4189                    showSnackbar(R.string.conference_destroyed, R.string.leave, leaveMuc);
4190                    break;
4191                case NON_ANONYMOUS:
4192                    showSnackbar(
4193                            R.string.group_chat_will_make_your_jabber_id_public,
4194                            R.string.join,
4195                            acceptJoin);
4196                    break;
4197                default:
4198                    hideSnackbar();
4199                    break;
4200            }
4201        } else if (account.hasPendingPgpIntent(conversation)) {
4202            showSnackbar(R.string.openpgp_messages_found, R.string.decrypt, clickToDecryptListener);
4203        } else if (connection != null
4204                && connection.getFeatures().blocking()
4205                && conversation.strangerInvited()) {
4206            showSnackbar(
4207                    R.string.received_invite_from_stranger,
4208                    R.string.options,
4209                    (v) -> showBlockMucSubmenu(v),
4210                    (v) -> showBlockMucSubmenu(v));
4211        } else if (connection != null
4212                && connection.getFeatures().blocking()
4213                && conversation.countMessages() != 0
4214                && !conversation.isBlocked()
4215                && conversation.isWithStranger()) {
4216            showSnackbar(
4217                    R.string.received_message_from_stranger,
4218                    R.string.options,
4219                    this.mBlockClickListener,
4220                    this.mLongPressBlockListener);
4221        } else {
4222            hideSnackbar();
4223        }
4224    }
4225
4226    @Override
4227    public void refresh() {
4228        if (this.binding == null) {
4229            Log.d(
4230                    Config.LOGTAG,
4231                    "ConversationFragment.refresh() skipped updated because view binding was null");
4232            return;
4233        }
4234        if (this.conversation != null
4235                && this.activity != null
4236                && this.activity.xmppConnectionService != null) {
4237            if (!activity.xmppConnectionService.isConversationStillOpen(this.conversation)) {
4238                activity.onConversationArchived(this.conversation);
4239                return;
4240            }
4241        }
4242        this.refresh(true);
4243    }
4244
4245    private void refresh(boolean notifyConversationRead) {
4246        synchronized (this.messageList) {
4247            if (this.conversation != null) {
4248                if (messageListAdapter.hasSelection()) {
4249                    if (notifyConversationRead) binding.messagesView.postDelayed(this::refresh, 1000L);
4250                } else {
4251                    conversation.populateWithMessages(this.messageList, activity == null ? null : activity.xmppConnectionService);
4252                    try {
4253                        updateStatusMessages();
4254                    } catch (IllegalStateException e) {
4255                        Log.e(Config.LOGTAG, "Problem updating status messages on refresh: " + e);
4256                    }
4257                    this.messageListAdapter.notifyDataSetChanged();
4258                }
4259                if (conversation.getReceivedMessagesCountSinceUuid(lastMessageUuid) != 0) {
4260                    binding.unreadCountCustomView.setVisibility(View.VISIBLE);
4261                    binding.unreadCountCustomView.setUnreadCount(
4262                            conversation.getReceivedMessagesCountSinceUuid(lastMessageUuid));
4263                }
4264                updateSnackBar(conversation);
4265                if (activity != null) updateChatMsgHint();
4266                if (notifyConversationRead && activity != null) {
4267                    binding.messagesView.post(this::fireReadEvent);
4268                }
4269                updateSendButton();
4270                updateEditablity();
4271                conversation.refreshSessions();
4272            }
4273        }
4274    }
4275
4276    protected void messageSent() {
4277        binding.textinputSubject.setText("");
4278        binding.textinputSubject.setVisibility(View.GONE);
4279        setThread(null);
4280        setupReply(null);
4281        conversation.setUserSelectedThread(false);
4282        mSendingPgpMessage.set(false);
4283        this.binding.textinput.setText("");
4284        if (conversation.setCorrectingMessage(null)) {
4285            this.binding.textinput.append(conversation.getDraftMessage());
4286            conversation.setDraftMessage(null);
4287        }
4288        storeNextMessage();
4289        updateChatMsgHint();
4290        if (activity == null) return;
4291        SharedPreferences p = PreferenceManager.getDefaultSharedPreferences(activity);
4292        final boolean prefScrollToBottom =
4293                p.getBoolean(
4294                        "scroll_to_bottom",
4295                        activity.getResources().getBoolean(R.bool.scroll_to_bottom));
4296        if (prefScrollToBottom || scrolledToBottom()) {
4297            new Handler()
4298                    .post(
4299                            () -> {
4300                                int size = messageList.size();
4301                                this.binding.messagesView.setSelection(size - 1);
4302                            });
4303        }
4304    }
4305
4306    private boolean storeNextMessage() {
4307        return storeNextMessage(this.binding.textinput.getText().toString());
4308    }
4309
4310    private boolean storeNextMessage(String msg) {
4311        final boolean participating =
4312                conversation.getMode() == Conversational.MODE_SINGLE
4313                        || conversation.getMucOptions().participating();
4314        if (this.conversation.getStatus() != Conversation.STATUS_ARCHIVED
4315                && participating
4316                && this.conversation.setNextMessage(msg) && activity != null) {
4317            activity.xmppConnectionService.updateConversation(this.conversation);
4318            return true;
4319        }
4320        return false;
4321    }
4322
4323    public void doneSendingPgpMessage() {
4324        mSendingPgpMessage.set(false);
4325    }
4326
4327    public Long getMaxHttpUploadSize(final Conversation conversation) {
4328
4329        final var connection = conversation.getAccount().getXmppConnection();
4330        final var httpUploadService = connection.getManager(HttpUploadManager.class).getService();
4331        if (httpUploadService == null) {
4332            return -1L;
4333        }
4334        return httpUploadService.getMaxFileSize();
4335    }
4336
4337    private boolean canWrite() {
4338        return
4339                this.conversation.getMode() == Conversation.MODE_SINGLE
4340                        || this.conversation.getMucOptions().participating()
4341                        || this.conversation.getNextCounterpart() != null;
4342    }
4343
4344    private void updateEditablity() {
4345        boolean canWrite = canWrite();
4346        this.binding.textinput.setFocusable(canWrite);
4347        this.binding.textinput.setFocusableInTouchMode(canWrite);
4348        this.binding.textSendButton.setEnabled(canWrite);
4349        this.binding.textSendButton.setVisibility(canWrite ? View.VISIBLE : View.GONE);
4350        this.binding.requestVoice.setVisibility(canWrite ? View.GONE : View.VISIBLE);
4351        this.binding.textinput.setCursorVisible(canWrite);
4352        this.binding.textinput.setEnabled(canWrite);
4353    }
4354
4355    public void updateSendButton() {
4356        boolean hasAttachments =
4357                mediaPreviewAdapter != null && mediaPreviewAdapter.hasAttachments();
4358        final Conversation c = this.conversation;
4359        final Presence.Availability status;
4360        final String text =
4361                this.binding.textinput == null ? "" : this.binding.textinput.getText().toString();
4362        final SendButtonAction action;
4363        if (hasAttachments) {
4364            action = SendButtonAction.TEXT;
4365        } else {
4366            action = SendButtonTool.getAction(getActivity(), c, text, binding.textinputSubject.getText().toString());
4367        }
4368        if (c.getAccount().getStatus() == Account.State.ONLINE) {
4369            if (activity != null
4370                    && activity.xmppConnectionService != null
4371                    && activity.xmppConnectionService.getMessageArchiveService().isCatchingUp(c)) {
4372                status = Presence.Availability.OFFLINE;
4373            } else if (c.getMode() == Conversation.MODE_SINGLE) {
4374                status = c.getContact().getShownStatus();
4375            } else {
4376                status =
4377                        c.getMucOptions().online()
4378                                ? Presence.Availability.ONLINE
4379                                : Presence.Availability.OFFLINE;
4380            }
4381        } else {
4382            status = Presence.Availability.OFFLINE;
4383        }
4384        this.binding.textSendButton.setTag(action);
4385        this.binding.textSendButton.setIconTint(ColorStateList.valueOf(SendButtonTool.getSendButtonColor(this.binding.textSendButton, status)));
4386        // TODO send button color
4387        final Activity activity = getActivity();
4388        if (activity != null) {
4389            this.binding.textSendButton.setIconResource(
4390                    SendButtonTool.getSendButtonImageResource(action, text.length() > 0 || hasAttachments || (c.getThread() != null && binding.textinputSubject.getText().length() > 0)));
4391        }
4392
4393        ViewGroup.LayoutParams params = binding.threadIdenticonLayout.getLayoutParams();
4394        if (identiconWidth < 0) identiconWidth = params.width;
4395        if (hasAttachments || binding.textinput.getText().toString().replaceFirst("^(\\w|[, ])+:\\s*", "").length() > 0) {
4396            binding.conversationViewPager.setCurrentItem(0);
4397            params.width = conversation.getThread() == null ? 0 : identiconWidth;
4398        } else {
4399            params.width = identiconWidth;
4400        }
4401        if (!canWrite()) params.width = 0;
4402        binding.threadIdenticonLayout.setLayoutParams(params);
4403    }
4404
4405    protected void updateStatusMessages() {
4406        DateSeparator.addAll(this.messageList);
4407        if (showLoadMoreMessages(conversation)) {
4408            this.messageList.add(0, Message.createLoadMoreMessage(conversation));
4409        }
4410        if (conversation.getMode() == Conversation.MODE_SINGLE) {
4411            ChatState state = conversation.getIncomingChatState();
4412            if (state == ChatState.COMPOSING) {
4413                this.messageList.add(
4414                        Message.createStatusMessage(
4415                                conversation,
4416                                getString(R.string.contact_is_typing, conversation.getName())));
4417            } else if (state == ChatState.PAUSED) {
4418                this.messageList.add(
4419                        Message.createStatusMessage(
4420                                conversation,
4421                                getString(
4422                                        R.string.contact_has_stopped_typing,
4423                                        conversation.getName())));
4424            } else {
4425                for (int i = this.messageList.size() - 1; i >= 0; --i) {
4426                    final Message message = this.messageList.get(i);
4427                    if (message.getType() != Message.TYPE_STATUS) {
4428                        if (message.getStatus() == Message.STATUS_RECEIVED) {
4429                            return;
4430                        } else {
4431                            if (message.getStatus() == Message.STATUS_SEND_DISPLAYED) {
4432                                this.messageList.add(
4433                                        i + 1,
4434                                        Message.createStatusMessage(
4435                                                conversation,
4436                                                getString(
4437                                                        R.string.contact_has_read_up_to_this_point,
4438                                                        conversation.getName())));
4439                                return;
4440                            }
4441                        }
4442                    }
4443                }
4444            }
4445        } else {
4446            final MucOptions mucOptions = conversation.getMucOptions();
4447            final List<MucOptions.User> allUsers = mucOptions.getUsers();
4448            final Set<ReadByMarker> addedMarkers = new HashSet<>();
4449            ChatState state = ChatState.COMPOSING;
4450            List<MucOptions.User> users =
4451                    conversation.getMucOptions().getUsersWithChatState(state, 5);
4452            if (users.size() == 0) {
4453                state = ChatState.PAUSED;
4454                users = conversation.getMucOptions().getUsersWithChatState(state, 5);
4455            }
4456            if (mucOptions.isPrivateAndNonAnonymous()) {
4457                for (int i = this.messageList.size() - 1; i >= 0; --i) {
4458                    final Set<ReadByMarker> markersForMessage =
4459                            messageList.get(i).getReadByMarkers();
4460                    final List<MucOptions.User> shownMarkers = new ArrayList<>();
4461                    for (ReadByMarker marker : markersForMessage) {
4462                        if (!ReadByMarker.contains(marker, addedMarkers)) {
4463                            addedMarkers.add(
4464                                    marker); // may be put outside this condition. set should do
4465                            // dedup anyway
4466                            MucOptions.User user = mucOptions.findUser(marker);
4467                            if (user != null && !users.contains(user)) {
4468                                shownMarkers.add(user);
4469                            }
4470                        }
4471                    }
4472                    final ReadByMarker markerForSender = ReadByMarker.from(messageList.get(i));
4473                    final Message statusMessage;
4474                    final int size = shownMarkers.size();
4475                    if (size > 1) {
4476                        final String body;
4477                        if (size <= 4) {
4478                            body =
4479                                    getString(
4480                                            R.string.contacts_have_read_up_to_this_point,
4481                                            UIHelper.concatNames(shownMarkers));
4482                        } else if (ReadByMarker.allUsersRepresented(
4483                                allUsers, markersForMessage, markerForSender)) {
4484                            body = getString(R.string.everyone_has_read_up_to_this_point);
4485                        } else {
4486                            body =
4487                                    getString(
4488                                            R.string.contacts_and_n_more_have_read_up_to_this_point,
4489                                            UIHelper.concatNames(shownMarkers, 3),
4490                                            size - 3);
4491                        }
4492                        statusMessage = Message.createStatusMessage(conversation, body);
4493                        statusMessage.setCounterparts(shownMarkers);
4494                    } else if (size == 1) {
4495                        statusMessage =
4496                                Message.createStatusMessage(
4497                                        conversation,
4498                                        getString(
4499                                                R.string.contact_has_read_up_to_this_point,
4500                                                UIHelper.getDisplayName(shownMarkers.get(0))));
4501                        statusMessage.setCounterpart(shownMarkers.get(0).getFullJid());
4502                        statusMessage.setTrueCounterpart(shownMarkers.get(0).getRealJid());
4503                    } else {
4504                        statusMessage = null;
4505                    }
4506                    if (statusMessage != null) {
4507                        this.messageList.add(i + 1, statusMessage);
4508                    }
4509                    addedMarkers.add(markerForSender);
4510                    if (ReadByMarker.allUsersRepresented(allUsers, addedMarkers)) {
4511                        break;
4512                    }
4513                }
4514            }
4515            if (users.size() > 0) {
4516                Message statusMessage;
4517                if (users.size() == 1) {
4518                    MucOptions.User user = users.get(0);
4519                    int id =
4520                            state == ChatState.COMPOSING
4521                                    ? R.string.contact_is_typing
4522                                    : R.string.contact_has_stopped_typing;
4523                    statusMessage =
4524                            Message.createStatusMessage(
4525                                    conversation, getString(id, UIHelper.getDisplayName(user)));
4526                    statusMessage.setTrueCounterpart(user.getRealJid());
4527                    statusMessage.setCounterpart(user.getFullJid());
4528                } else {
4529                    int id =
4530                            state == ChatState.COMPOSING
4531                                    ? R.string.contacts_are_typing
4532                                    : R.string.contacts_have_stopped_typing;
4533                    statusMessage =
4534                            Message.createStatusMessage(
4535                                    conversation, getString(id, UIHelper.concatNames(users)));
4536                    statusMessage.setCounterparts(users);
4537                }
4538                this.messageList.add(statusMessage);
4539            }
4540        }
4541    }
4542
4543    private void stopScrolling() {
4544        long now = SystemClock.uptimeMillis();
4545        MotionEvent cancel = MotionEvent.obtain(now, now, MotionEvent.ACTION_CANCEL, 0, 0, 0);
4546        binding.messagesView.dispatchTouchEvent(cancel);
4547    }
4548
4549    private boolean showLoadMoreMessages(final Conversation c) {
4550        if (activity == null || activity.xmppConnectionService == null) {
4551            return false;
4552        }
4553        final boolean mam = hasMamSupport(c) && !c.getContact().isBlocked();
4554        final MessageArchiveService service =
4555                activity.xmppConnectionService.getMessageArchiveService();
4556        return mam
4557                && (c.getLastClearHistory().getTimestamp() != 0
4558                        || (c.countMessages() == 0
4559                                && c.messagesLoaded.get()
4560                                && c.hasMessagesLeftOnServer()
4561                                && !service.queryInProgress(c)));
4562    }
4563
4564    private boolean hasMamSupport(final Conversation c) {
4565        if (c.getMode() == Conversation.MODE_SINGLE) {
4566            final XmppConnection connection = c.getAccount().getXmppConnection();
4567            return connection != null && connection.getFeatures().mam();
4568        } else {
4569            return c.getMucOptions().mamSupport();
4570        }
4571    }
4572
4573    protected void showSnackbar(
4574            final int message, final int action, final OnClickListener clickListener) {
4575        showSnackbar(message, action, clickListener, null);
4576    }
4577
4578    protected void showSnackbar(
4579            final int message,
4580            final int action,
4581            final OnClickListener clickListener,
4582            final View.OnLongClickListener longClickListener) {
4583        this.binding.snackbar.setVisibility(View.VISIBLE);
4584        this.binding.snackbar.setOnClickListener(null);
4585        this.binding.snackbarMessage.setText(message);
4586        this.binding.snackbarMessage.setOnClickListener(null);
4587        this.binding.snackbarAction.setVisibility(clickListener == null ? View.GONE : View.VISIBLE);
4588        if (action != 0) {
4589            this.binding.snackbarAction.setText(action);
4590        }
4591        this.binding.snackbarAction.setOnClickListener(clickListener);
4592        this.binding.snackbarAction.setOnLongClickListener(longClickListener);
4593    }
4594
4595    protected void hideSnackbar() {
4596        this.binding.snackbar.setVisibility(View.GONE);
4597    }
4598
4599    protected void sendMessage(Message message) {
4600        new Thread(() -> activity.xmppConnectionService.sendMessage(message)).start();
4601        messageSent();
4602    }
4603
4604    protected void sendPgpMessage(final Message message) {
4605        final XmppConnectionService xmppService = activity.xmppConnectionService;
4606        final Contact contact = message.getConversation().getContact();
4607        if (!activity.hasPgp()) {
4608            activity.showInstallPgpDialog();
4609            return;
4610        }
4611        if (conversation.getAccount().getPgpSignature() == null) {
4612            activity.announcePgp(
4613                    conversation.getAccount(), conversation, null, activity.onOpenPGPKeyPublished);
4614            return;
4615        }
4616        if (!mSendingPgpMessage.compareAndSet(false, true)) {
4617            Log.d(Config.LOGTAG, "sending pgp message already in progress");
4618        }
4619        if (conversation.getMode() == Conversation.MODE_SINGLE) {
4620            if (contact.getPgpKeyId() != 0) {
4621                xmppService
4622                        .getPgpEngine()
4623                        .hasKey(
4624                                contact,
4625                                new UiCallback<Contact>() {
4626
4627                                    @Override
4628                                    public void userInputRequired(
4629                                            PendingIntent pi, Contact contact) {
4630                                        startPendingIntent(pi, REQUEST_ENCRYPT_MESSAGE);
4631                                    }
4632
4633                                    @Override
4634                                    public void success(Contact contact) {
4635                                        encryptTextMessage(message);
4636                                    }
4637
4638                                    @Override
4639                                    public void error(int error, Contact contact) {
4640                                        activity.runOnUiThread(
4641                                                () ->
4642                                                        Toast.makeText(
4643                                                                        activity,
4644                                                                        R.string
4645                                                                                .unable_to_connect_to_keychain,
4646                                                                        Toast.LENGTH_SHORT)
4647                                                                .show());
4648                                        mSendingPgpMessage.set(false);
4649                                    }
4650                                });
4651
4652            } else {
4653                showNoPGPKeyDialog(
4654                        false,
4655                        (dialog, which) -> {
4656                            conversation.setNextEncryption(Message.ENCRYPTION_NONE);
4657                            xmppService.updateConversation(conversation);
4658                            message.setEncryption(Message.ENCRYPTION_NONE);
4659                            xmppService.sendMessage(message);
4660                            messageSent();
4661                        });
4662            }
4663        } else {
4664            if (conversation.getMucOptions().pgpKeysInUse()) {
4665                if (!conversation.getMucOptions().everybodyHasKeys()) {
4666                    Toast warning =
4667                            Toast.makeText(
4668                                    getActivity(), R.string.missing_public_keys, Toast.LENGTH_LONG);
4669                    warning.setGravity(Gravity.CENTER_VERTICAL, 0, 0);
4670                    warning.show();
4671                }
4672                encryptTextMessage(message);
4673            } else {
4674                showNoPGPKeyDialog(
4675                        true,
4676                        (dialog, which) -> {
4677                            conversation.setNextEncryption(Message.ENCRYPTION_NONE);
4678                            message.setEncryption(Message.ENCRYPTION_NONE);
4679                            xmppService.updateConversation(conversation);
4680                            xmppService.sendMessage(message);
4681                            messageSent();
4682                        });
4683            }
4684        }
4685    }
4686
4687    public void encryptTextMessage(Message message) {
4688        activity.xmppConnectionService
4689                .getPgpEngine()
4690                .encrypt(
4691                        message,
4692                        new UiCallback<Message>() {
4693
4694                            @Override
4695                            public void userInputRequired(PendingIntent pi, Message message) {
4696                                startPendingIntent(pi, REQUEST_SEND_MESSAGE);
4697                            }
4698
4699                            @Override
4700                            public void success(Message message) {
4701                                // TODO the following two call can be made before the callback
4702                                getActivity().runOnUiThread(() -> messageSent());
4703                            }
4704
4705                            @Override
4706                            public void error(final int error, Message message) {
4707                                getActivity()
4708                                        .runOnUiThread(
4709                                                () -> {
4710                                                    doneSendingPgpMessage();
4711                                                    Toast.makeText(
4712                                                                    getActivity(),
4713                                                                    error == 0
4714                                                                            ? R.string
4715                                                                                    .unable_to_connect_to_keychain
4716                                                                            : error,
4717                                                                    Toast.LENGTH_SHORT)
4718                                                            .show();
4719                                                });
4720                            }
4721                        });
4722    }
4723
4724    public void showNoPGPKeyDialog(
4725            final boolean plural, final DialogInterface.OnClickListener listener) {
4726        final MaterialAlertDialogBuilder builder =
4727                new MaterialAlertDialogBuilder(requireActivity());
4728        if (plural) {
4729            builder.setTitle(getString(R.string.no_pgp_keys));
4730            builder.setMessage(getText(R.string.contacts_have_no_pgp_keys));
4731        } else {
4732            builder.setTitle(getString(R.string.no_pgp_key));
4733            builder.setMessage(getText(R.string.contact_has_no_pgp_key));
4734        }
4735        builder.setNegativeButton(getString(R.string.cancel), null);
4736        builder.setPositiveButton(getString(R.string.send_unencrypted), listener);
4737        builder.create().show();
4738    }
4739
4740    public void appendText(String text, final boolean doNotAppend) {
4741        if (text == null) {
4742            return;
4743        }
4744        final Editable editable = this.binding.textinput.getText();
4745        String previous = editable == null ? "" : editable.toString();
4746        if (doNotAppend && !TextUtils.isEmpty(previous)) {
4747            Toast.makeText(getActivity(), R.string.already_drafting_message, Toast.LENGTH_LONG)
4748                    .show();
4749            return;
4750        }
4751        if (UIHelper.isLastLineQuote(previous)) {
4752            text = '\n' + text;
4753        } else if (previous.length() != 0
4754                && !Character.isWhitespace(previous.charAt(previous.length() - 1))) {
4755            text = " " + text;
4756        }
4757        this.binding.textinput.append(text);
4758    }
4759
4760    @Override
4761    public boolean onEnterPressed(final boolean isCtrlPressed) {
4762        if (isCtrlPressed || enterIsSend()) {
4763            sendMessage();
4764            return true;
4765        }
4766        return false;
4767    }
4768
4769    private boolean enterIsSend() {
4770        final SharedPreferences p = PreferenceManager.getDefaultSharedPreferences(getActivity());
4771        return p.getBoolean("enter_is_send", getResources().getBoolean(R.bool.enter_is_send));
4772    }
4773
4774    public boolean onArrowUpCtrlPressed() {
4775        final Message lastEditableMessage =
4776                conversation == null ? null : conversation.getLastEditableMessage();
4777        if (lastEditableMessage != null) {
4778            correctMessage(lastEditableMessage);
4779            return true;
4780        } else {
4781            Toast.makeText(getActivity(), R.string.could_not_correct_message, Toast.LENGTH_LONG)
4782                    .show();
4783            return false;
4784        }
4785    }
4786
4787    @Override
4788    public void onTypingStarted() {
4789        final XmppConnectionService service =
4790                activity == null ? null : activity.xmppConnectionService;
4791        if (service == null) {
4792            return;
4793        }
4794        final Account.State status = conversation.getAccount().getStatus();
4795        if (status == Account.State.ONLINE
4796                && conversation.setOutgoingChatState(ChatState.COMPOSING)) {
4797            service.sendChatState(conversation);
4798        }
4799        runOnUiThread(this::updateSendButton);
4800    }
4801
4802    @Override
4803    public void onTypingStopped() {
4804        final XmppConnectionService service =
4805                activity == null ? null : activity.xmppConnectionService;
4806        if (service == null) {
4807            return;
4808        }
4809        final Account.State status = conversation.getAccount().getStatus();
4810        if (status == Account.State.ONLINE && conversation.setOutgoingChatState(ChatState.PAUSED)) {
4811            service.sendChatState(conversation);
4812        }
4813    }
4814
4815    @Override
4816    public void onTextDeleted() {
4817        final XmppConnectionService service =
4818                activity == null ? null : activity.xmppConnectionService;
4819        if (service == null) {
4820            return;
4821        }
4822        final Account.State status = conversation.getAccount().getStatus();
4823        if (status == Account.State.ONLINE
4824                && conversation.setOutgoingChatState(Config.DEFAULT_CHAT_STATE)) {
4825            service.sendChatState(conversation);
4826        }
4827        final boolean stored = storeNextMessage(null);
4828        runOnUiThread(
4829                () -> {
4830                    if (stored && activity != null) {
4831                        activity.onConversationsListItemUpdated();
4832                    }
4833                    updateSendButton();
4834                });
4835    }
4836
4837    @Override
4838    public void onTextChanged() {
4839        if (conversation != null && conversation.getCorrectingMessage() != null) {
4840            runOnUiThread(this::updateSendButton);
4841        }
4842    }
4843
4844    @Override
4845    public boolean onTabPressed(boolean repeated) {
4846        if (conversation == null || conversation.getMode() == Conversation.MODE_SINGLE) {
4847            return false;
4848        }
4849        if (repeated) {
4850            completionIndex++;
4851        } else {
4852            lastCompletionLength = 0;
4853            completionIndex = 0;
4854            final String content = this.binding.textinput.getText().toString();
4855            lastCompletionCursor = this.binding.textinput.getSelectionEnd();
4856            int start =
4857                    lastCompletionCursor > 0
4858                            ? content.lastIndexOf(" ", lastCompletionCursor - 1) + 1
4859                            : 0;
4860            firstWord = start == 0;
4861            incomplete = content.substring(start, lastCompletionCursor);
4862        }
4863        List<String> completions = new ArrayList<>();
4864        for (MucOptions.User user : conversation.getMucOptions().getUsers()) {
4865            String name = user.getNick();
4866            if (name != null && name.startsWith(incomplete)) {
4867                completions.add(name + (firstWord ? ": " : " "));
4868            }
4869        }
4870        Collections.sort(completions);
4871        if (completions.size() > completionIndex) {
4872            String completion = completions.get(completionIndex).substring(incomplete.length());
4873            this.binding
4874                    .textinput
4875                    .getEditableText()
4876                    .delete(lastCompletionCursor, lastCompletionCursor + lastCompletionLength);
4877            this.binding.textinput.getEditableText().insert(lastCompletionCursor, completion);
4878            lastCompletionLength = completion.length();
4879        } else {
4880            completionIndex = -1;
4881            this.binding
4882                    .textinput
4883                    .getEditableText()
4884                    .delete(lastCompletionCursor, lastCompletionCursor + lastCompletionLength);
4885            lastCompletionLength = 0;
4886        }
4887        return true;
4888    }
4889
4890    private void startPendingIntent(PendingIntent pendingIntent, int requestCode) {
4891        try {
4892            getActivity()
4893                    .startIntentSenderForResult(
4894                            pendingIntent.getIntentSender(),
4895                            requestCode,
4896                            null,
4897                            0,
4898                            0,
4899                            0,
4900                            Compatibility.pgpStartIntentSenderOptions());
4901        } catch (final SendIntentException ignored) {
4902        }
4903    }
4904
4905    @Override
4906    public void onBackendConnected() {
4907        Log.d(Config.LOGTAG, "ConversationFragment.onBackendConnected()");
4908        setupEmojiSearch();
4909        String uuid = pendingConversationsUuid.pop();
4910        if (uuid != null) {
4911            if (!findAndReInitByUuidOrArchive(uuid)) {
4912                return;
4913            }
4914        } else {
4915            if (!activity.xmppConnectionService.isConversationStillOpen(conversation)) {
4916                clearPending();
4917                activity.onConversationArchived(conversation);
4918                return;
4919            }
4920        }
4921        ActivityResult activityResult = postponedActivityResult.pop();
4922        if (activityResult != null) {
4923            handleActivityResult(activityResult);
4924        }
4925        clearPending();
4926    }
4927
4928    private boolean findAndReInitByUuidOrArchive(@NonNull final String uuid) {
4929        Conversation conversation = activity.xmppConnectionService.findConversationByUuid(uuid);
4930        if (conversation == null) {
4931            clearPending();
4932            activity.onConversationArchived(null);
4933            return false;
4934        }
4935        reInit(conversation);
4936        ScrollState scrollState = pendingScrollState.pop();
4937        String lastMessageUuid = pendingLastMessageUuid.pop();
4938        List<Attachment> attachments = pendingMediaPreviews.pop();
4939        if (scrollState != null) {
4940            setScrollPosition(scrollState, lastMessageUuid);
4941        }
4942        if (attachments != null && attachments.size() > 0) {
4943            Log.d(Config.LOGTAG, "had attachments on restore");
4944            mediaPreviewAdapter.addMediaPreviews(attachments);
4945            toggleInputMethod();
4946        }
4947        return true;
4948    }
4949
4950    private void clearPending() {
4951        if (postponedActivityResult.clear()) {
4952            Log.e(Config.LOGTAG, "cleared pending intent with unhandled result left");
4953            if (pendingTakePhotoUri.clear()) {
4954                Log.e(Config.LOGTAG, "cleared pending photo uri");
4955            }
4956        }
4957        if (pendingScrollState.clear()) {
4958            Log.e(Config.LOGTAG, "cleared scroll state");
4959        }
4960        if (pendingConversationsUuid.clear()) {
4961            Log.e(Config.LOGTAG, "cleared pending conversations uuid");
4962        }
4963        if (pendingMediaPreviews.clear()) {
4964            Log.e(Config.LOGTAG, "cleared pending media previews");
4965        }
4966    }
4967
4968    public Conversation getConversation() {
4969        return conversation;
4970    }
4971
4972    @Override
4973    public void onContactPictureLongClicked(View v, final Message message) {
4974        final String fingerprint;
4975        if (message.getEncryption() == Message.ENCRYPTION_PGP
4976                || message.getEncryption() == Message.ENCRYPTION_DECRYPTED) {
4977            fingerprint = "pgp";
4978        } else {
4979            fingerprint = message.getFingerprint();
4980        }
4981        final PopupMenu popupMenu = new PopupMenu(getActivity(), v);
4982        final Contact contact = message.getContact();
4983        if (message.getStatus() <= Message.STATUS_RECEIVED
4984                && (contact == null || !contact.isSelf())) {
4985            if (message.getConversation().getMode() == Conversation.MODE_MULTI) {
4986                final Jid cp = message.getCounterpart();
4987                if (cp == null || cp.isBareJid()) {
4988                    return;
4989                }
4990                final Jid tcp = message.getTrueCounterpart();
4991                final String occupantId = message.getOccupantId();
4992                final User userByRealJid =
4993                        tcp != null
4994                                ? conversation.getMucOptions().findOrCreateUserByRealJid(tcp, cp, occupantId)
4995                                : null;
4996                final User userByOccupantId =
4997                        occupantId != null
4998                                ? conversation.getMucOptions().findUserByOccupantId(occupantId, cp)
4999                                : null;
5000                final User user =
5001                        userByRealJid != null
5002                                ? userByRealJid
5003                                : (userByOccupantId != null ? userByOccupantId : conversation.getMucOptions().findUserByFullJid(cp));
5004                if (user == null) return;
5005                popupMenu.inflate(R.menu.muc_details_context);
5006                final Menu menu = popupMenu.getMenu();
5007                MucDetailsContextMenuHelper.configureMucDetailsContextMenu(
5008                        activity, menu, conversation, user);
5009                popupMenu.setOnMenuItemClickListener(
5010                        menuItem ->
5011                                MucDetailsContextMenuHelper.onContextItemSelected(
5012                                        menuItem, user, activity, fingerprint));
5013            } else {
5014                popupMenu.inflate(R.menu.one_on_one_context);
5015                popupMenu.setOnMenuItemClickListener(
5016                        item -> {
5017                            switch (item.getItemId()) {
5018                                case R.id.action_contact_details:
5019                                    activity.switchToContactDetails(
5020                                            message.getContact(), fingerprint);
5021                                    break;
5022                                case R.id.action_show_qr_code:
5023                                    activity.showQrCode(
5024                                            "xmpp:"
5025                                                    + message.getContact()
5026                                                            .getJid()
5027                                                            .asBareJid()
5028                                                            .toString());
5029                                    break;
5030                            }
5031                            return true;
5032                        });
5033            }
5034        } else {
5035            popupMenu.inflate(R.menu.account_context);
5036            final Menu menu = popupMenu.getMenu();
5037            menu.findItem(R.id.action_manage_accounts)
5038                    .setVisible(QuickConversationsService.isConversations());
5039            popupMenu.setOnMenuItemClickListener(
5040                    item -> {
5041                        final XmppActivity activity = this.activity;
5042                        if (activity == null) {
5043                            Log.e(Config.LOGTAG, "Unable to perform action. no context provided");
5044                            return true;
5045                        }
5046                        switch (item.getItemId()) {
5047                            case R.id.action_show_qr_code:
5048                                activity.showQrCode(conversation.getAccount().getShareableUri());
5049                                break;
5050                            case R.id.action_account_details:
5051                                activity.switchToAccount(
5052                                        message.getConversation().getAccount(), fingerprint);
5053                                break;
5054                            case R.id.action_manage_accounts:
5055                                AccountUtils.launchManageAccounts(activity);
5056                                break;
5057                        }
5058                        return true;
5059                    });
5060        }
5061        popupMenu.show();
5062    }
5063
5064    @Override
5065    public void onContactPictureClicked(Message message) {
5066        setThread(message.getThread());
5067        if (message.isPrivateMessage()) {
5068            privateMessageWith(message.getCounterpart());
5069            return;
5070        }
5071        forkNullThread(message);
5072        conversation.setUserSelectedThread(true);
5073
5074        final boolean received = message.getStatus() <= Message.STATUS_RECEIVED;
5075        if (received) {
5076            if (message.getConversation() instanceof Conversation
5077                    && message.getConversation().getMode() == Conversation.MODE_MULTI) {
5078                Jid tcp = message.getTrueCounterpart();
5079                Jid user = message.getCounterpart();
5080                if (user != null && !user.isBareJid()) {
5081                    final MucOptions mucOptions =
5082                            ((Conversation) message.getConversation()).getMucOptions();
5083                    if (mucOptions.participating()
5084                            || ((Conversation) message.getConversation()).getNextCounterpart()
5085                                    != null) {
5086                        MucOptions.User mucUser = mucOptions.findUserByFullJid(user);
5087                        MucOptions.User tcpMucUser = mucOptions.findUserByRealJid(tcp == null ? null : tcp.asBareJid());
5088                        if (mucUser == null && tcpMucUser == null) {
5089                            Toast.makeText(
5090                                            getActivity(),
5091                                            activity.getString(
5092                                                    R.string.user_has_left_conference,
5093                                                    user.getResource()),
5094                                            Toast.LENGTH_SHORT)
5095                                    .show();
5096                        }
5097                        highlightInConference(mucUser == null || mucUser.getNick() == null ? (tcpMucUser == null || tcpMucUser.getNick() == null ? user.getResource() : tcpMucUser.getNick()) : mucUser.getNick());
5098                    } else {
5099                        Toast.makeText(
5100                                        getActivity(),
5101                                        R.string.you_are_not_participating,
5102                                        Toast.LENGTH_SHORT)
5103                                .show();
5104                    }
5105                }
5106            }
5107        }
5108    }
5109
5110    private Activity requireActivity() {
5111        Activity activity = getActivity();
5112        if (activity == null) activity = this.activity;
5113        if (activity == null) {
5114            throw new IllegalStateException("Activity not attached");
5115        }
5116        return activity;
5117    }
5118}