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