ConversationFragment.java

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