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/webxdc+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                    if (!activity.xmppConnectionService.getBooleanPreference("message_autocomplete", R.bool.message_autocomplete)) return;
1520
1521                    getRecyclerView().getItemAnimator().endAnimations();
1522                    final var allUsers = conversation.getMucOptions().getUsers();
1523                    if (!conversation.getMucOptions().getUsersByRole(MucOptions.Role.MODERATOR).isEmpty()) {
1524                        final var u = new MucOptions.User(conversation.getMucOptions(), null, "\0role:moderator", "Notify active moderators", new HashSet<>());
1525                        u.setRole("participant");
1526                        allUsers.add(u);
1527                    }
1528                    if (!allUsers.isEmpty() && conversation.getMucOptions().getSelf() != null && conversation.getMucOptions().getSelf().getAffiliation().ranks(MucOptions.Affiliation.MEMBER)) {
1529                        final var u = new MucOptions.User(conversation.getMucOptions(), null, "\0attention", "Notify active participants", new HashSet<>());
1530                        u.setRole("participant");
1531                        allUsers.add(u);
1532                    }
1533                    final String needle = query.toString().toLowerCase(Locale.getDefault());
1534                    adapter.submitList(
1535                        Ordering.natural().immutableSortedCopy(Collections2.filter(
1536                            allUsers,
1537                            user -> {
1538                                if ("mods".contains(needle) && "\0role:moderator".equals(user.getOccupantId())) return true;
1539                                if ("here".contains(needle) && "\0attention".equals(user.getOccupantId())) return true;
1540                                final String name = user.getNick();
1541                                if (name == null) return false;
1542                                for (final var hat : user.getHats()) {
1543                                    if (hat.toString().toLowerCase(Locale.getDefault()).contains(needle)) return true;
1544                                }
1545                                for (final var hat : user.getPseudoHats(activity)) {
1546                                    if (hat.toString().toLowerCase(Locale.getDefault()).contains(needle)) return true;
1547                                }
1548                                final Contact contact = user.getContact();
1549                                return name.toLowerCase(Locale.getDefault()).contains(needle)
1550                                    || contact != null
1551                                    && contact.getDisplayName().toLowerCase(Locale.getDefault()).contains(needle);
1552                            })));
1553                }
1554
1555                @Override
1556                protected AutocompletePresenter.PopupDimensions getPopupDimensions() {
1557                    final var dim = new AutocompletePresenter.PopupDimensions();
1558                    dim.width = displayMetrics.widthPixels * 4/5;
1559                    return dim;
1560                }
1561            })
1562            .with(new AutocompleteCallback<MucOptions.User>() {
1563                @Override
1564                public boolean onPopupItemClicked(Editable editable, MucOptions.User user) {
1565                    int[] range = com.otaliastudios.autocomplete.CharPolicy.getQueryRange(editable);
1566                    if (range == null) return false;
1567                    range[0] -= 1;
1568                    if ("\0attention".equals(user.getOccupantId())) {
1569	                    editable.delete(Math.max(0, range[0]), Math.min(editable.length(), range[1]));
1570                        editable.insert(0, "@here ");
1571                        return true;
1572                    }
1573                    int colon = editable.toString().indexOf(':');
1574                    final var beforeColon = range[0] < colon;
1575                    String prefix = "";
1576                    String suffix = " ";
1577                    if (beforeColon) suffix = ", ";
1578                    if (colon < 0 && range[0] == 0) suffix = ": ";
1579                    if (colon > 0 && colon == range[0] - 2) {
1580                        prefix = ", ";
1581                        suffix = ": ";
1582                        range[0] -= 2;
1583                    }
1584                    var insert = user.getNick();
1585                    if ("\0role:moderator".equals(user.getOccupantId())) {
1586                        insert = conversation.getMucOptions().getUsersByRole(MucOptions.Role.MODERATOR).stream().map(MucOptions.User::getNick).collect(Collectors.joining(", "));
1587                    }
1588                    editable.replace(Math.max(0, range[0]), Math.min(editable.length(), range[1]), prefix + insert + suffix);
1589                    return true;
1590                }
1591
1592                @Override
1593                public void onPopupVisibilityChanged(boolean shown) {}
1594            }).build();
1595
1596        Handler emojiDebounce = new Handler(Looper.getMainLooper());
1597        setupEmojiSearch();
1598        Autocomplete.<EmojiSearch.Emoji>on(binding.textinput)
1599            .with(activity.getDrawable(R.drawable.background_message_bubble))
1600            .with(new CharPolicy(':'))
1601            .with(new RecyclerViewPresenter<EmojiSearch.Emoji>(activity) {
1602                protected EmojiSearch.EmojiSearchAdapter adapter;
1603
1604                @Override
1605                protected Adapter instantiateAdapter() {
1606                    adapter = emojiSearch.makeAdapter(item -> dispatchClick(item));
1607                    return adapter;
1608                }
1609
1610                @Override
1611                protected void onQuery(@Nullable CharSequence query) {
1612                    if (!activity.xmppConnectionService.getBooleanPreference("message_autocomplete", R.bool.message_autocomplete)) return;
1613
1614                    emojiDebounce.removeCallbacksAndMessages(null);
1615                    emojiDebounce.postDelayed(() -> {
1616                        if (getRecyclerView() == null) return;
1617                        getRecyclerView().getItemAnimator().endAnimations();
1618                        adapter.search(activity, query.toString());
1619                    }, 100L);
1620                }
1621            })
1622            .with(new AutocompleteCallback<EmojiSearch.Emoji>() {
1623                @Override
1624                public boolean onPopupItemClicked(Editable editable, EmojiSearch.Emoji emoji) {
1625                    int[] range = com.otaliastudios.autocomplete.CharPolicy.getQueryRange(editable);
1626                    if (range == null) return false;
1627                    range[0] -= 1;
1628                    final var toInsert = emoji.toInsert();
1629                    toInsert.append(" ");
1630                    editable.replace(Math.max(0, range[0]), Math.min(editable.length(), range[1]), toInsert);
1631                    return true;
1632                }
1633
1634                @Override
1635                public void onPopupVisibilityChanged(boolean shown) {}
1636            }).build();
1637
1638        return binding.getRoot();
1639    }
1640
1641    protected void setupEmojiSearch() {
1642        if (activity != null && activity.xmppConnectionService != null) {
1643            if (!activity.xmppConnectionService.getBooleanPreference("message_autocomplete", R.bool.message_autocomplete)) {
1644                emojiSearch = null;
1645                return;
1646            }
1647            if (emojiSearch == null) {
1648                emojiSearch = activity.xmppConnectionService.emojiSearch();
1649            }
1650        }
1651    }
1652
1653    protected void newThreadTutorialToast(String s) {
1654        if (activity == null) return;
1655        final SharedPreferences p = PreferenceManager.getDefaultSharedPreferences(activity);
1656        final int tutorialCount = p.getInt("thread_tutorial", 0);
1657        if (tutorialCount < 5) {
1658            Toast.makeText(activity, s, Toast.LENGTH_SHORT).show();
1659            p.edit().putInt("thread_tutorial", tutorialCount + 1).apply();
1660        }
1661    }
1662
1663    @Override
1664    public void onDestroyView() {
1665        super.onDestroyView();
1666        Log.d(Config.LOGTAG, "ConversationFragment.onDestroyView()");
1667        messageListAdapter.setOnContactPictureClicked(null);
1668        messageListAdapter.setOnContactPictureLongClicked(null);
1669        messageListAdapter.setOnInlineImageLongClicked(null);
1670        messageListAdapter.setConversationFragment(null);
1671        binding.conversationViewPager.setAdapter(null);
1672        if (conversation != null) conversation.setupViewPager(null, null, false, null);
1673    }
1674
1675    public void quoteText(String text) {
1676        if (binding.textinput.isEnabled()) {
1677            binding.textinput.insertAsQuote(text);
1678            binding.textinput.requestFocus();
1679            InputMethodManager inputMethodManager =
1680                    (InputMethodManager)
1681                            getActivity().getSystemService(Context.INPUT_METHOD_SERVICE);
1682            if (inputMethodManager != null) {
1683                inputMethodManager.showSoftInput(
1684                        binding.textinput, InputMethodManager.SHOW_IMPLICIT);
1685            }
1686        }
1687    }
1688
1689    private void quoteMessage(Message message) {
1690        if (message.isPrivateMessage()) privateMessageWith(message.getCounterpart());
1691        setThread(message.getThread());
1692        conversation.setUserSelectedThread(true);
1693        if (!forkNullThread(message)) newThread();
1694        setupReply(message);
1695    }
1696
1697    private boolean forkNullThread(Message message) {
1698        if (message.getThread() != null || conversation.getMode() != Conversation.MODE_MULTI) return true;
1699        for (final Message m : conversation.findReplies(message.getServerMsgId())) {
1700            final Element thread = m.getThread();
1701            if (thread != null) {
1702                setThread(thread);
1703                return true;
1704            }
1705        }
1706
1707        return false;
1708    }
1709
1710    private void setupReply(Message message) {
1711        conversation.setReplyTo(message);
1712        if (message == null) {
1713            binding.contextPreview.setVisibility(View.GONE);
1714            binding.textsend.setBackgroundResource(R.drawable.textsend);
1715            return;
1716        }
1717
1718        SpannableStringBuilder body = message.getSpannableBody(null, null);
1719        if (message.isFileOrImage() || message.isOOb()) body.append(" 🖼️");
1720        messageListAdapter.handleTextQuotes(binding.contextPreviewText, body);
1721        binding.contextPreviewText.setText(body);
1722        binding.contextPreview.setVisibility(View.VISIBLE);
1723    }
1724
1725    private void setThread(Element thread) {
1726        this.conversation.setThread(thread);
1727        binding.threadIdenticon.setAlpha(0f);
1728        binding.threadIdenticonLock.setVisibility(this.conversation.getLockThread() ? View.VISIBLE : View.GONE);
1729        if (thread != null) {
1730            final String threadId = thread.getContent();
1731            if (threadId != null) {
1732                binding.threadIdenticon.setAlpha(1f);
1733                binding.threadIdenticon.setColor(UIHelper.getColorForName(threadId));
1734                binding.threadIdenticon.setHash(UIHelper.identiconHash(threadId));
1735            }
1736        }
1737        updateSendButton();
1738    }
1739
1740    @Override
1741    public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
1742        // This should cancel any remaining click events that would otherwise trigger links
1743        v.dispatchTouchEvent(MotionEvent.obtain(0, 0, MotionEvent.ACTION_CANCEL, 0f, 0f, 0));
1744
1745        if (v == binding.textSendButton) {
1746            super.onCreateContextMenu(menu, v, menuInfo);
1747            try {
1748                java.lang.reflect.Method m = menu.getClass().getSuperclass().getDeclaredMethod("setOptionalIconsVisible", Boolean.TYPE);
1749                m.setAccessible(true);
1750                m.invoke(menu, true);
1751            } catch (Exception e) {
1752                e.printStackTrace();
1753            }
1754            Menu tmpMenu = new PopupMenu(activity, null).getMenu();
1755            activity.getMenuInflater().inflate(R.menu.fragment_conversation, tmpMenu);
1756            MenuItem attachMenu = tmpMenu.findItem(R.id.action_attach_file);
1757            for (int i = 0; i < attachMenu.getSubMenu().size(); i++) {
1758                MenuItem item = attachMenu.getSubMenu().getItem(i);
1759                MenuItem newItem = menu.add(item.getGroupId(), item.getItemId(), item.getOrder(), item.getTitle());
1760                newItem.setIcon(item.getIcon());
1761            }
1762            ConversationMenuConfigurator.configureAttachmentMenu(conversation, menu, TextUtils.isEmpty(binding.textinput.getText()));
1763            return;
1764        }
1765
1766        synchronized (this.messageList) {
1767            super.onCreateContextMenu(menu, v, menuInfo);
1768            AdapterView.AdapterContextMenuInfo acmi = (AdapterContextMenuInfo) menuInfo;
1769            this.selectedMessage = this.messageList.get(acmi.position);
1770            populateContextMenu(menu);
1771        }
1772    }
1773
1774    private void populateContextMenu(ContextMenu menu) {
1775        final Message m = this.selectedMessage;
1776        final Transferable t = m.getTransferable();
1777        Message relevantForCorrection = m;
1778        while (relevantForCorrection.mergeable(relevantForCorrection.next())) {
1779            relevantForCorrection = relevantForCorrection.next();
1780        }
1781        if (m.getType() != Message.TYPE_STATUS && m.getType() != Message.TYPE_RTP_SESSION) {
1782
1783            if (m.getEncryption() == Message.ENCRYPTION_AXOLOTL_NOT_FOR_THIS_DEVICE
1784                    || m.getEncryption() == Message.ENCRYPTION_AXOLOTL_FAILED) {
1785                return;
1786            }
1787
1788            if (m.getStatus() == Message.STATUS_RECEIVED
1789                    && t != null
1790                    && (t.getStatus() == Transferable.STATUS_CANCELLED
1791                            || t.getStatus() == Transferable.STATUS_FAILED)) {
1792                return;
1793            }
1794
1795            final boolean deleted = m.isDeleted();
1796            final boolean encrypted =
1797                    m.getEncryption() == Message.ENCRYPTION_DECRYPTION_FAILED
1798                            || m.getEncryption() == Message.ENCRYPTION_PGP;
1799            final boolean receiving =
1800                    m.getStatus() == Message.STATUS_RECEIVED
1801                            && (t instanceof JingleFileTransferConnection
1802                                    || t instanceof HttpDownloadConnection);
1803            activity.getMenuInflater().inflate(R.menu.message_context, menu);
1804            final MenuItem reportAndBlock = menu.findItem(R.id.action_report_and_block);
1805            MenuItem openWith = menu.findItem(R.id.open_with);
1806            MenuItem copyMessage = menu.findItem(R.id.copy_message);
1807            MenuItem quoteMessage = menu.findItem(R.id.quote_message);
1808            MenuItem retryDecryption = menu.findItem(R.id.retry_decryption);
1809            MenuItem correctMessage = menu.findItem(R.id.correct_message);
1810            MenuItem retractMessage = menu.findItem(R.id.retract_message);
1811            MenuItem moderateMessage = menu.findItem(R.id.moderate_message);
1812            MenuItem onlyThisThread = menu.findItem(R.id.only_this_thread);
1813            MenuItem shareWith = menu.findItem(R.id.share_with);
1814            MenuItem sendAgain = menu.findItem(R.id.send_again);
1815            MenuItem copyUrl = menu.findItem(R.id.copy_url);
1816            MenuItem saveAsSticker = menu.findItem(R.id.save_as_sticker);
1817            MenuItem downloadFile = menu.findItem(R.id.download_file);
1818            MenuItem cancelTransmission = menu.findItem(R.id.cancel_transmission);
1819            MenuItem blockMedia = menu.findItem(R.id.block_media);
1820            MenuItem deleteFile = menu.findItem(R.id.delete_file);
1821            MenuItem showErrorMessage = menu.findItem(R.id.show_error_message);
1822            onlyThisThread.setVisible(!conversation.getLockThread() && m.getThread() != null);
1823            final boolean unInitiatedButKnownSize = MessageUtils.unInitiatedButKnownSize(m);
1824            final boolean showError =
1825                    m.getStatus() == Message.STATUS_SEND_FAILED
1826                            && m.getErrorMessage() != null
1827                            && !Message.ERROR_MESSAGE_CANCELLED.equals(m.getErrorMessage());
1828            final Conversational conversational = m.getConversation();
1829            if (m.getStatus() == Message.STATUS_RECEIVED && conversational instanceof Conversation c) {
1830                final XmppConnection connection = c.getAccount().getXmppConnection();
1831                if (c.isWithStranger()
1832                        && m.getServerMsgId() != null
1833                        && !c.isBlocked()
1834                        && connection != null
1835                        && connection.getFeatures().spamReporting()) {
1836                    reportAndBlock.setVisible(true);
1837                }
1838            }
1839            if (!encrypted && !m.getBody().equals("")) {
1840                copyMessage.setVisible(true);
1841            }
1842            quoteMessage.setVisible(!encrypted && !showError);
1843            if (m.getEncryption() == Message.ENCRYPTION_DECRYPTION_FAILED && !deleted) {
1844                retryDecryption.setVisible(true);
1845            }
1846            if (!showError
1847                    && relevantForCorrection.getType() == Message.TYPE_TEXT
1848                    && !m.isGeoUri()
1849                    && m.getConversation() instanceof Conversation) {
1850                correctMessage.setVisible(true);
1851                if (!relevantForCorrection.getBody().equals("") && !relevantForCorrection.getBody().equals(" ")) retractMessage.setVisible(true);
1852            }
1853            if (relevantForCorrection.getStatus() == Message.STATUS_WAITING) {
1854                correctMessage.setVisible(true);
1855                retractMessage.setVisible(true);
1856            }
1857            if (relevantForCorrection.getReactions() != null) {
1858                correctMessage.setVisible(false);
1859                retractMessage.setVisible(true);
1860            }
1861            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")) {
1862                moderateMessage.setVisible(true);
1863            }
1864            if ((m.isFileOrImage() && !deleted && !receiving)
1865                    || (m.getType() == Message.TYPE_TEXT && !m.treatAsDownloadable())
1866                            && !unInitiatedButKnownSize
1867                            && t == null) {
1868                shareWith.setVisible(true);
1869            }
1870            if (m.getStatus() == Message.STATUS_SEND_FAILED) {
1871                sendAgain.setVisible(true);
1872            }
1873            if (m.hasFileOnRemoteHost()
1874                    || m.isGeoUri()
1875                    || m.treatAsDownloadable()
1876                    || unInitiatedButKnownSize
1877                    || t instanceof HttpDownloadConnection) {
1878                copyUrl.setVisible(true);
1879            }
1880            if (m.isFileOrImage() && deleted && m.hasFileOnRemoteHost()) {
1881                downloadFile.setVisible(true);
1882                downloadFile.setTitle(
1883                        activity.getString(
1884                                R.string.download_x_file,
1885                                UIHelper.getFileDescriptionString(activity, m)));
1886            }
1887            final boolean waitingOfferedSending =
1888                    m.getStatus() == Message.STATUS_WAITING
1889                            || m.getStatus() == Message.STATUS_UNSEND
1890                            || m.getStatus() == Message.STATUS_OFFERED;
1891            final boolean cancelable =
1892                    (t != null && !deleted) || waitingOfferedSending && m.needsUploading();
1893            if (cancelable) {
1894                cancelTransmission.setVisible(true);
1895            }
1896            if (m.isFileOrImage() && !deleted && !cancelable) {
1897                final String path = m.getRelativeFilePath();
1898                if (path != null) {
1899                    final var file = new File(path);
1900                    if (file.canRead()) saveAsSticker.setVisible(true);
1901                    blockMedia.setVisible(true);
1902                    if (file.canWrite()) deleteFile.setVisible(true);
1903                    deleteFile.setTitle(
1904                            activity.getString(
1905                                    R.string.delete_x_file,
1906                                    UIHelper.getFileDescriptionString(activity, m)));
1907                }
1908            }
1909
1910            if (m.getFileParams() != null && !m.getFileParams().getThumbnails().isEmpty()) {
1911                // We might be showing a thumbnail worth blocking
1912                blockMedia.setVisible(true);
1913            }
1914            if (showError) {
1915                showErrorMessage.setVisible(true);
1916            }
1917            final String mime = m.isFileOrImage() ? m.getMimeType() : null;
1918            if ((m.isGeoUri() && GeoHelper.openInOsmAnd(getActivity(), m))
1919                    || (mime != null && mime.startsWith("audio/"))) {
1920                openWith.setVisible(true);
1921            }
1922        }
1923    }
1924
1925    @Override
1926    public boolean onContextItemSelected(MenuItem item) {
1927        switch (item.getItemId()) {
1928            case R.id.share_with:
1929                ShareUtil.share(activity, selectedMessage);
1930                return true;
1931            case R.id.correct_message:
1932                correctMessage(selectedMessage);
1933                return true;
1934            case R.id.retract_message:
1935                new AlertDialog.Builder(activity)
1936                    .setTitle(R.string.retract_message)
1937                    .setMessage("Do you really want to retract this message?")
1938                    .setPositiveButton(R.string.yes, (dialog, whichButton) -> {
1939                        Message message = selectedMessage;
1940                        while (message.mergeable(message.next())) {
1941                            message = message.next();
1942                        }
1943                        if (message.getStatus() == Message.STATUS_WAITING || message.getStatus() == Message.STATUS_OFFERED) {
1944                            activity.xmppConnectionService.deleteMessage(message);
1945                            return;
1946                        }
1947                        Element reactions = message.getReactions();
1948                        if (reactions != null) {
1949                            final Message previousReaction = conversation.findMessageReactingTo(reactions.getAttribute("id"), null);
1950                            if (previousReaction != null) reactions = previousReaction.getReactions();
1951                            for (Element el : reactions.getChildren()) {
1952                                if (message.getRawBody().endsWith(el.getContent())) {
1953                                    reactions.removeChild(el);
1954                                }
1955                            }
1956                            message.setReactions(reactions);
1957                            if (previousReaction != null) {
1958                                previousReaction.setReactions(reactions);
1959                                activity.xmppConnectionService.updateMessage(previousReaction);
1960                            }
1961                        } else {
1962                            message.setInReplyTo(null);
1963                            message.clearPayloads();
1964                        }
1965                        message.setBody(" ");
1966                        message.setSubject(null);
1967                        message.putEdited(message.getUuid(), message.getServerMsgId());
1968                        message.setServerMsgId(null);
1969                        message.setUuid(UUID.randomUUID().toString());
1970                        sendMessage(message);
1971                    })
1972                    .setNegativeButton(R.string.no, null).show();
1973                return true;
1974            case R.id.moderate_message:
1975                activity.quickEdit("Spam", (reason) -> {
1976                    Message message = selectedMessage;
1977                    do {
1978                        activity.xmppConnectionService.moderateMessage(conversation.getAccount(), message, reason);
1979                        message = message.mergeable(message.next()) ? message.next() : null;
1980                    } while (message != null);
1981                    return null;
1982                }, R.string.moderate_reason, false, false, true, true);
1983                return true;
1984            case R.id.copy_message:
1985                ShareUtil.copyToClipboard(activity, selectedMessage);
1986                return true;
1987            case R.id.quote_message:
1988                quoteMessage(selectedMessage);
1989                return true;
1990            case R.id.send_again:
1991                resendMessage(selectedMessage);
1992                return true;
1993            case R.id.copy_url:
1994                ShareUtil.copyUrlToClipboard(activity, selectedMessage);
1995                return true;
1996            case R.id.save_as_sticker:
1997                saveAsSticker(selectedMessage);
1998                return true;
1999            case R.id.download_file:
2000                startDownloadable(selectedMessage);
2001                return true;
2002            case R.id.cancel_transmission:
2003                cancelTransmission(selectedMessage);
2004                return true;
2005            case R.id.retry_decryption:
2006                retryDecryption(selectedMessage);
2007                return true;
2008            case R.id.block_media:
2009                new AlertDialog.Builder(activity)
2010                    .setTitle(R.string.block_media)
2011                    .setMessage("Do you really want to block this media in all messages?")
2012                    .setPositiveButton(R.string.yes, (dialog, whichButton) -> {
2013                        List<Element> thumbs = selectedMessage.getFileParams() != null ? selectedMessage.getFileParams().getThumbnails() : null;
2014                        if (thumbs != null && !thumbs.isEmpty()) {
2015                            for (Element thumb : thumbs) {
2016                                Uri uri = Uri.parse(thumb.getAttribute("uri"));
2017                                if (uri.getScheme().equals("cid")) {
2018                                    Cid cid = BobTransfer.cid(uri);
2019                                    if (cid == null) continue;
2020                                    DownloadableFile f = activity.xmppConnectionService.getFileForCid(cid);
2021                                    activity.xmppConnectionService.blockMedia(f);
2022                                    activity.xmppConnectionService.evictPreview(f);
2023                                    f.delete();
2024                                }
2025                            }
2026                        }
2027                        File f = activity.xmppConnectionService.getFileBackend().getFile(selectedMessage);
2028                        activity.xmppConnectionService.blockMedia(f);
2029                        activity.xmppConnectionService.getFileBackend().deleteFile(selectedMessage);
2030                        activity.xmppConnectionService.evictPreview(f);
2031                        activity.xmppConnectionService.updateMessage(selectedMessage, false);
2032                        activity.onConversationsListItemUpdated();
2033                        refresh();
2034                    })
2035                    .setNegativeButton(R.string.no, null).show();
2036                return true;
2037            case R.id.delete_file:
2038                deleteFile(selectedMessage);
2039                return true;
2040            case R.id.show_error_message:
2041                showErrorMessage(selectedMessage);
2042                return true;
2043            case R.id.open_with:
2044                openWith(selectedMessage);
2045                return true;
2046            case R.id.only_this_thread:
2047                conversation.setLockThread(true);
2048                backPressedLeaveSingleThread.setEnabled(true);
2049                setThread(selectedMessage.getThread());
2050                refresh();
2051                return true;
2052            case R.id.action_report_and_block:
2053                reportMessage(selectedMessage);
2054                return true;
2055            default:
2056                return onOptionsItemSelected(item);
2057        }
2058    }
2059
2060    @Override
2061    public boolean onOptionsItemSelected(final MenuItem item) {
2062        if (MenuDoubleTabUtil.shouldIgnoreTap()) {
2063            return false;
2064        } else if (conversation == null) {
2065            return super.onOptionsItemSelected(item);
2066        }
2067        switch (item.getItemId()) {
2068            case R.id.encryption_choice_axolotl:
2069            case R.id.encryption_choice_pgp:
2070            case R.id.encryption_choice_none:
2071                handleEncryptionSelection(item);
2072                break;
2073            case R.id.attach_choose_picture:
2074            case R.id.attach_take_picture:
2075            case R.id.attach_record_video:
2076            case R.id.attach_choose_file:
2077            case R.id.attach_record_voice:
2078            case R.id.attach_location:
2079                handleAttachmentSelection(item);
2080                break;
2081            case R.id.attach_webxdc:
2082                final Intent intent = new Intent(getActivity(), WebxdcStore.class);
2083                startActivityForResult(intent, REQUEST_WEBXDC_STORE);
2084                break;
2085            case R.id.attach_subject:
2086                binding.textinputSubject.setVisibility(binding.textinputSubject.getVisibility() == View.GONE ? View.VISIBLE : View.GONE);
2087                break;
2088            case R.id.attach_schedule:
2089                scheduleMessage();
2090                break;
2091            case R.id.action_search:
2092                startSearch();
2093                break;
2094            case R.id.action_archive:
2095                activity.xmppConnectionService.archiveConversation(conversation);
2096                break;
2097            case R.id.action_contact_details:
2098                activity.switchToContactDetails(conversation.getContact());
2099                break;
2100            case R.id.action_muc_details:
2101                ConferenceDetailsActivity.open(activity, conversation);
2102                break;
2103            case R.id.action_invite:
2104                startActivityForResult(
2105                        ChooseContactActivity.create(activity, conversation),
2106                        REQUEST_INVITE_TO_CONVERSATION);
2107                break;
2108            case R.id.action_clear_history:
2109                clearHistoryDialog(conversation);
2110                break;
2111            case R.id.action_mute:
2112                muteConversationDialog(conversation);
2113                break;
2114            case R.id.action_unmute:
2115                unMuteConversation(conversation);
2116                break;
2117            case R.id.action_block:
2118            case R.id.action_unblock:
2119                BlockContactDialog.show(activity, conversation);
2120                break;
2121            case R.id.action_audio_call:
2122                checkPermissionAndTriggerAudioCall();
2123                break;
2124            case R.id.action_video_call:
2125                checkPermissionAndTriggerVideoCall();
2126                break;
2127            case R.id.action_ongoing_call:
2128                returnToOngoingCall();
2129                break;
2130            case R.id.action_toggle_pinned:
2131                togglePinned();
2132                break;
2133            case R.id.action_add_shortcut:
2134                addShortcut();
2135                break;
2136            case R.id.action_block_avatar:
2137                new AlertDialog.Builder(activity)
2138                    .setTitle(R.string.block_media)
2139                    .setMessage("Do you really want to block this avatar?")
2140                    .setPositiveButton(R.string.yes, (dialog, whichButton) -> {
2141                            activity.xmppConnectionService.blockMedia(activity.xmppConnectionService.getFileBackend().getAvatarFile(conversation.getContact().getAvatarFilename()));
2142                            activity.xmppConnectionService.getFileBackend().getAvatarFile(conversation.getContact().getAvatarFilename()).delete();
2143                            activity.avatarService().clear(conversation);
2144                            conversation.getContact().setAvatar(null);
2145                            activity.xmppConnectionService.updateConversationUi();
2146                    })
2147                    .setNegativeButton(R.string.no, null).show();
2148            case R.id.action_refresh_feature_discovery:
2149                refreshFeatureDiscovery();
2150                break;
2151            default:
2152                break;
2153        }
2154        return super.onOptionsItemSelected(item);
2155    }
2156
2157    public boolean onBackPressed() {
2158        boolean wasLocked = conversation.getLockThread();
2159        conversation.setLockThread(false);
2160        backPressedLeaveSingleThread.setEnabled(false);
2161        if (wasLocked) {
2162            setThread(null);
2163            conversation.setUserSelectedThread(false);
2164            refresh();
2165            updateThreadFromLastMessage();
2166            return true;
2167        }
2168        return false;
2169    }
2170
2171    private void startSearch() {
2172        final Intent intent = new Intent(getActivity(), SearchActivity.class);
2173        intent.putExtra(SearchActivity.EXTRA_CONVERSATION_UUID, conversation.getUuid());
2174        startActivity(intent);
2175    }
2176
2177    private void scheduleMessage() {
2178        if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.N) {
2179            final var datePicker = com.google.android.material.datepicker.MaterialDatePicker.Builder.datePicker()
2180                .setTitleText("Schedule Message")
2181                .setSelection(com.google.android.material.datepicker.MaterialDatePicker.todayInUtcMilliseconds())
2182                .setCalendarConstraints(
2183                    new com.google.android.material.datepicker.CalendarConstraints.Builder()
2184                        .setStart(com.google.android.material.datepicker.MaterialDatePicker.todayInUtcMilliseconds())
2185                        .build()
2186                 )
2187                .build();
2188            datePicker.addOnPositiveButtonClickListener((date) -> {
2189                final Calendar now = Calendar.getInstance();
2190                final var timePicker = new com.google.android.material.timepicker.MaterialTimePicker.Builder()
2191                    .setTitleText("Schedule Message")
2192                    .setHour(now.get(Calendar.HOUR_OF_DAY))
2193                    .setMinute(now.get(Calendar.MINUTE))
2194                    .setTimeFormat(android.text.format.DateFormat.is24HourFormat(activity) ? com.google.android.material.timepicker.TimeFormat.CLOCK_24H : com.google.android.material.timepicker.TimeFormat.CLOCK_12H)
2195                    .build();
2196                timePicker.addOnPositiveButtonClickListener((v2) -> {
2197                        final var dateCal = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
2198                        dateCal.setTimeInMillis(date);
2199                        final var time = Calendar.getInstance();
2200                        time.set(dateCal.get(Calendar.YEAR), dateCal.get(Calendar.MONTH), dateCal.get(Calendar.DAY_OF_MONTH), timePicker.getHour(), timePicker.getMinute(), 0);
2201                        final long timestamp = time.getTimeInMillis();
2202                        sendMessage(timestamp);
2203                        Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": scheduled message for " + timestamp);
2204                    });
2205                timePicker.show(activity.getSupportFragmentManager(), "schedulMessageTime");
2206            });
2207            datePicker.show(activity.getSupportFragmentManager(), "schedulMessageDate");
2208        }
2209    }
2210
2211    private void returnToOngoingCall() {
2212        final Optional<OngoingRtpSession> ongoingRtpSession =
2213                activity.xmppConnectionService
2214                        .getJingleConnectionManager()
2215                        .getOngoingRtpConnection(conversation.getContact());
2216        if (ongoingRtpSession.isPresent()) {
2217            final OngoingRtpSession id = ongoingRtpSession.get();
2218            final Intent intent = new Intent(getActivity(), RtpSessionActivity.class);
2219            intent.setAction(Intent.ACTION_VIEW);
2220            intent.putExtra(
2221                    RtpSessionActivity.EXTRA_ACCOUNT,
2222                    id.getAccount().getJid().asBareJid().toEscapedString());
2223            intent.putExtra(RtpSessionActivity.EXTRA_WITH, id.getWith().toEscapedString());
2224            if (id instanceof AbstractJingleConnection) {
2225                intent.putExtra(RtpSessionActivity.EXTRA_SESSION_ID, id.getSessionId());
2226                startActivity(intent);
2227            } else if (id instanceof JingleConnectionManager.RtpSessionProposal proposal) {
2228                if (Media.audioOnly(proposal.media)) {
2229                    intent.putExtra(
2230                            RtpSessionActivity.EXTRA_LAST_ACTION,
2231                            RtpSessionActivity.ACTION_MAKE_VOICE_CALL);
2232                } else {
2233                    intent.putExtra(
2234                            RtpSessionActivity.EXTRA_LAST_ACTION,
2235                            RtpSessionActivity.ACTION_MAKE_VIDEO_CALL);
2236                }
2237                intent.putExtra(RtpSessionActivity.EXTRA_PROPOSED_SESSION_ID, proposal.sessionId);
2238                startActivity(intent);
2239            }
2240        }
2241    }
2242
2243    private void refreshFeatureDiscovery() {
2244        Set<Map.Entry<String, Presence>> presences = conversation.getContact().getPresences().getPresencesMap().entrySet();
2245        if (presences.isEmpty()) {
2246            presences = new HashSet<>();
2247            presences.add(new AbstractMap.SimpleEntry("", null));
2248        }
2249        for (Map.Entry<String, Presence> entry : presences) {
2250            Jid jid = conversation.getContact().getJid();
2251            if (!entry.getKey().equals("")) jid = jid.withResource(entry.getKey());
2252            activity.xmppConnectionService.fetchCaps(conversation.getAccount(), jid, entry.getValue(), () -> {
2253                if (activity == null) return;
2254                activity.runOnUiThread(() -> {
2255                    refresh();
2256                    refreshCommands(true);
2257                });
2258            });
2259        }
2260    }
2261
2262    private void addShortcut() {
2263        ShortcutInfoCompat info;
2264        if (conversation.getMode() == Conversation.MODE_MULTI) {
2265            info = activity.xmppConnectionService.getShortcutService().getShortcutInfoCompat(conversation.getMucOptions());
2266        } else {
2267            info = activity.xmppConnectionService.getShortcutService().getShortcutInfoCompat(conversation.getContact());
2268        }
2269        ShortcutManagerCompat.requestPinShortcut(activity, info, null);
2270    }
2271
2272    private void togglePinned() {
2273        final boolean pinned =
2274                conversation.getBooleanAttribute(Conversation.ATTRIBUTE_PINNED_ON_TOP, false);
2275        conversation.setAttribute(Conversation.ATTRIBUTE_PINNED_ON_TOP, !pinned);
2276        activity.xmppConnectionService.updateConversation(conversation);
2277        activity.invalidateOptionsMenu();
2278    }
2279
2280    private void checkPermissionAndTriggerAudioCall() {
2281        if (activity.mUseTor || conversation.getAccount().isOnion()) {
2282            Toast.makeText(activity, R.string.disable_tor_to_make_call, Toast.LENGTH_SHORT).show();
2283            return;
2284        }
2285        final List<String> permissions;
2286        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
2287            permissions =
2288                    Arrays.asList(
2289                            Manifest.permission.RECORD_AUDIO,
2290                            Manifest.permission.BLUETOOTH_CONNECT);
2291        } else {
2292            permissions = Collections.singletonList(Manifest.permission.RECORD_AUDIO);
2293        }
2294        if (hasPermissions(REQUEST_START_AUDIO_CALL, permissions)) {
2295            triggerRtpSession(RtpSessionActivity.ACTION_MAKE_VOICE_CALL);
2296        }
2297    }
2298
2299    private void checkPermissionAndTriggerVideoCall() {
2300        if (activity.mUseTor || conversation.getAccount().isOnion()) {
2301            Toast.makeText(activity, R.string.disable_tor_to_make_call, Toast.LENGTH_SHORT).show();
2302            return;
2303        }
2304        final List<String> permissions;
2305        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
2306            permissions =
2307                    Arrays.asList(
2308                            Manifest.permission.RECORD_AUDIO,
2309                            Manifest.permission.CAMERA,
2310                            Manifest.permission.BLUETOOTH_CONNECT);
2311        } else {
2312            permissions =
2313                    Arrays.asList(Manifest.permission.RECORD_AUDIO, Manifest.permission.CAMERA);
2314        }
2315        if (hasPermissions(REQUEST_START_VIDEO_CALL, permissions)) {
2316            triggerRtpSession(RtpSessionActivity.ACTION_MAKE_VIDEO_CALL);
2317        }
2318    }
2319
2320    private void triggerRtpSession(final String action) {
2321        if (activity.xmppConnectionService.getJingleConnectionManager().isBusy()) {
2322            Toast.makeText(getActivity(), R.string.only_one_call_at_a_time, Toast.LENGTH_LONG)
2323                    .show();
2324            return;
2325        }
2326        final Account account = conversation.getAccount();
2327        if (account.setOption(Account.OPTION_SOFT_DISABLED, false)) {
2328            activity.xmppConnectionService.updateAccount(account);
2329        }
2330        final Contact contact = conversation.getContact();
2331        if (Config.USE_JINGLE_MESSAGE_INIT && RtpCapability.jmiSupport(contact)) {
2332            triggerRtpSession(contact.getAccount(), contact.getJid().asBareJid(), action);
2333        } else {
2334            final RtpCapability.Capability capability;
2335            if (action.equals(RtpSessionActivity.ACTION_MAKE_VIDEO_CALL)) {
2336                capability = RtpCapability.Capability.VIDEO;
2337            } else {
2338                capability = RtpCapability.Capability.AUDIO;
2339            }
2340            PresenceSelector.selectFullJidForDirectRtpConnection(
2341                    activity,
2342                    contact,
2343                    capability,
2344                    fullJid -> {
2345                        triggerRtpSession(contact.getAccount(), fullJid, action);
2346                    });
2347        }
2348    }
2349
2350    private void triggerRtpSession(final Account account, final Jid with, final String action) {
2351        CallIntegrationConnectionService.placeCall(activity.xmppConnectionService, account,with,RtpSessionActivity.actionToMedia(action));
2352    }
2353
2354    private void handleAttachmentSelection(MenuItem item) {
2355        switch (item.getItemId()) {
2356            case R.id.attach_choose_picture:
2357                attachFile(ATTACHMENT_CHOICE_CHOOSE_IMAGE);
2358                break;
2359            case R.id.attach_take_picture:
2360                attachFile(ATTACHMENT_CHOICE_TAKE_PHOTO);
2361                break;
2362            case R.id.attach_record_video:
2363                attachFile(ATTACHMENT_CHOICE_RECORD_VIDEO);
2364                break;
2365            case R.id.attach_choose_file:
2366                attachFile(ATTACHMENT_CHOICE_CHOOSE_FILE);
2367                break;
2368            case R.id.attach_record_voice:
2369                attachFile(ATTACHMENT_CHOICE_RECORD_VOICE);
2370                break;
2371            case R.id.attach_location:
2372                attachFile(ATTACHMENT_CHOICE_LOCATION);
2373                break;
2374        }
2375    }
2376
2377    private void handleEncryptionSelection(MenuItem item) {
2378        if (conversation == null) {
2379            return;
2380        }
2381        final boolean updated;
2382        switch (item.getItemId()) {
2383            case R.id.encryption_choice_none:
2384                updated = conversation.setNextEncryption(Message.ENCRYPTION_NONE);
2385                item.setChecked(true);
2386                break;
2387            case R.id.encryption_choice_pgp:
2388                if (activity.hasPgp()) {
2389                    if (conversation.getAccount().getPgpSignature() != null) {
2390                        updated = conversation.setNextEncryption(Message.ENCRYPTION_PGP);
2391                        item.setChecked(true);
2392                    } else {
2393                        updated = false;
2394                        activity.announcePgp(
2395                                conversation.getAccount(),
2396                                conversation,
2397                                null,
2398                                activity.onOpenPGPKeyPublished);
2399                    }
2400                } else {
2401                    activity.showInstallPgpDialog();
2402                    updated = false;
2403                }
2404                break;
2405            case R.id.encryption_choice_axolotl:
2406                Log.d(
2407                        Config.LOGTAG,
2408                        AxolotlService.getLogprefix(conversation.getAccount())
2409                                + "Enabled axolotl for Contact "
2410                                + conversation.getContact().getJid());
2411                updated = conversation.setNextEncryption(Message.ENCRYPTION_AXOLOTL);
2412                item.setChecked(true);
2413                break;
2414            default:
2415                updated = conversation.setNextEncryption(Message.ENCRYPTION_NONE);
2416                break;
2417        }
2418        if (updated) {
2419            activity.xmppConnectionService.updateConversation(conversation);
2420        }
2421        updateChatMsgHint();
2422        getActivity().invalidateOptionsMenu();
2423        activity.refreshUi();
2424    }
2425
2426    public void attachFile(final int attachmentChoice) {
2427        attachFile(attachmentChoice, true);
2428    }
2429
2430    public void attachFile(final int attachmentChoice, final boolean updateRecentlyUsed) {
2431        if (attachmentChoice == ATTACHMENT_CHOICE_RECORD_VOICE) {
2432            if (!hasPermissions(
2433                    attachmentChoice,
2434                    Manifest.permission.WRITE_EXTERNAL_STORAGE,
2435                    Manifest.permission.RECORD_AUDIO)) {
2436                return;
2437            }
2438        } else if (attachmentChoice == ATTACHMENT_CHOICE_TAKE_PHOTO
2439                || attachmentChoice == ATTACHMENT_CHOICE_RECORD_VIDEO) {
2440            if (!hasPermissions(
2441                    attachmentChoice,
2442                    Manifest.permission.WRITE_EXTERNAL_STORAGE,
2443                    Manifest.permission.CAMERA)) {
2444                return;
2445            }
2446        } else if (attachmentChoice != ATTACHMENT_CHOICE_LOCATION) {
2447            if (!hasPermissions(attachmentChoice, Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
2448                return;
2449            }
2450        }
2451        if (updateRecentlyUsed) {
2452            storeRecentlyUsedQuickAction(attachmentChoice);
2453        }
2454        final int encryption = conversation.getNextEncryption();
2455        final int mode = conversation.getMode();
2456        if (encryption == Message.ENCRYPTION_PGP) {
2457            if (activity.hasPgp()) {
2458                if (mode == Conversation.MODE_SINGLE
2459                        && conversation.getContact().getPgpKeyId() != 0) {
2460                    activity.xmppConnectionService
2461                            .getPgpEngine()
2462                            .hasKey(
2463                                    conversation.getContact(),
2464                                    new UiCallback<Contact>() {
2465
2466                                        @Override
2467                                        public void userInputRequired(
2468                                                PendingIntent pi, Contact contact) {
2469                                            startPendingIntent(pi, attachmentChoice);
2470                                        }
2471
2472                                        @Override
2473                                        public void success(Contact contact) {
2474                                            invokeAttachFileIntent(attachmentChoice);
2475                                        }
2476
2477                                        @Override
2478                                        public void error(int error, Contact contact) {
2479                                            activity.replaceToast(getString(error));
2480                                        }
2481                                    });
2482                } else if (mode == Conversation.MODE_MULTI
2483                        && conversation.getMucOptions().pgpKeysInUse()) {
2484                    if (!conversation.getMucOptions().everybodyHasKeys()) {
2485                        Toast warning =
2486                                Toast.makeText(
2487                                        getActivity(),
2488                                        R.string.missing_public_keys,
2489                                        Toast.LENGTH_LONG);
2490                        warning.setGravity(Gravity.CENTER_VERTICAL, 0, 0);
2491                        warning.show();
2492                    }
2493                    invokeAttachFileIntent(attachmentChoice);
2494                } else {
2495                    showNoPGPKeyDialog(
2496                            false,
2497                            (dialog, which) -> {
2498                                conversation.setNextEncryption(Message.ENCRYPTION_NONE);
2499                                activity.xmppConnectionService.updateConversation(conversation);
2500                                invokeAttachFileIntent(attachmentChoice);
2501                            });
2502                }
2503            } else {
2504                activity.showInstallPgpDialog();
2505            }
2506        } else {
2507            invokeAttachFileIntent(attachmentChoice);
2508        }
2509    }
2510
2511    private void storeRecentlyUsedQuickAction(final int attachmentChoice) {
2512        try {
2513            activity.getPreferences()
2514                    .edit()
2515                    .putString(
2516                            RECENTLY_USED_QUICK_ACTION,
2517                            SendButtonAction.of(attachmentChoice).toString())
2518                    .apply();
2519        } catch (IllegalArgumentException e) {
2520            // just do not save
2521        }
2522    }
2523
2524    @Override
2525    public void onRequestPermissionsResult(
2526            int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
2527        final PermissionUtils.PermissionResult permissionResult =
2528                PermissionUtils.removeBluetoothConnect(permissions, grantResults);
2529        if (grantResults.length > 0) {
2530            if (allGranted(permissionResult.grantResults)) {
2531                switch (requestCode) {
2532                    case REQUEST_START_DOWNLOAD:
2533                        if (this.mPendingDownloadableMessage != null) {
2534                            startDownloadable(this.mPendingDownloadableMessage);
2535                        }
2536                        break;
2537                    case REQUEST_ADD_EDITOR_CONTENT:
2538                        if (this.mPendingEditorContent != null) {
2539                            attachEditorContentToConversation(this.mPendingEditorContent);
2540                        }
2541                        break;
2542                    case REQUEST_COMMIT_ATTACHMENTS:
2543                        commitAttachments();
2544                        break;
2545                    case REQUEST_START_AUDIO_CALL:
2546                        triggerRtpSession(RtpSessionActivity.ACTION_MAKE_VOICE_CALL);
2547                        break;
2548                    case REQUEST_START_VIDEO_CALL:
2549                        triggerRtpSession(RtpSessionActivity.ACTION_MAKE_VIDEO_CALL);
2550                        break;
2551                    default:
2552                        attachFile(requestCode);
2553                        break;
2554                }
2555            } else {
2556                @StringRes int res;
2557                String firstDenied =
2558                        getFirstDenied(permissionResult.grantResults, permissionResult.permissions);
2559                if (Manifest.permission.RECORD_AUDIO.equals(firstDenied)) {
2560                    res = R.string.no_microphone_permission;
2561                } else if (Manifest.permission.CAMERA.equals(firstDenied)) {
2562                    res = R.string.no_camera_permission;
2563                } else {
2564                    res = R.string.no_storage_permission;
2565                }
2566                Toast.makeText(
2567                                getActivity(),
2568                                getString(res, getString(R.string.app_name)),
2569                                Toast.LENGTH_SHORT)
2570                        .show();
2571            }
2572        }
2573        if (writeGranted(grantResults, permissions)) {
2574            if (activity != null && activity.xmppConnectionService != null) {
2575                activity.xmppConnectionService.getDrawableCache().evictAll();
2576                activity.xmppConnectionService.restartFileObserver();
2577            }
2578            refresh();
2579        }
2580        if (cameraGranted(grantResults, permissions) || audioGranted(grantResults, permissions)) {
2581            XmppConnectionService.toggleForegroundService(activity);
2582        }
2583    }
2584
2585    public void startDownloadable(Message message) {
2586        if (!hasPermissions(REQUEST_START_DOWNLOAD, Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
2587            this.mPendingDownloadableMessage = message;
2588            return;
2589        }
2590        Transferable transferable = message.getTransferable();
2591        if (transferable != null) {
2592            if (transferable instanceof TransferablePlaceholder && message.hasFileOnRemoteHost()) {
2593                createNewConnection(message);
2594                return;
2595            }
2596            if (!transferable.start()) {
2597                Log.d(Config.LOGTAG, "type: " + transferable.getClass().getName());
2598                Toast.makeText(getActivity(), R.string.not_connected_try_again, Toast.LENGTH_SHORT)
2599                        .show();
2600            }
2601        } else if (message.treatAsDownloadable()
2602                || message.hasFileOnRemoteHost()
2603                || MessageUtils.unInitiatedButKnownSize(message)) {
2604            createNewConnection(message);
2605        } else {
2606            Log.d(
2607                    Config.LOGTAG,
2608                    message.getConversation().getAccount() + ": unable to start downloadable");
2609        }
2610    }
2611
2612    private void createNewConnection(final Message message) {
2613        if (!activity.xmppConnectionService.hasInternetConnection()) {
2614            Toast.makeText(getActivity(), R.string.not_connected_try_again, Toast.LENGTH_SHORT)
2615                    .show();
2616            return;
2617        }
2618        if (message.getOob() != null && "cid".equalsIgnoreCase(message.getOob().getScheme())) {
2619            try {
2620                BobTransfer transfer = new BobTransfer.ForMessage(message, activity.xmppConnectionService);
2621                message.setTransferable(transfer);
2622                transfer.start();
2623            } catch (URISyntaxException e) {
2624                Log.d(Config.LOGTAG, "BobTransfer failed to parse URI");
2625            }
2626        } else {
2627            activity.xmppConnectionService
2628                    .getHttpConnectionManager()
2629                    .createNewDownloadConnection(message, true);
2630        }
2631    }
2632
2633    @SuppressLint("InflateParams")
2634    protected void clearHistoryDialog(final Conversation conversation) {
2635        final MaterialAlertDialogBuilder builder = new MaterialAlertDialogBuilder(requireActivity());
2636        builder.setTitle(R.string.clear_conversation_history);
2637        final View dialogView =
2638                requireActivity().getLayoutInflater().inflate(R.layout.dialog_clear_history, null);
2639        final CheckBox endConversationCheckBox =
2640                dialogView.findViewById(R.id.end_conversation_checkbox);
2641        builder.setView(dialogView);
2642        builder.setNegativeButton(getString(R.string.cancel), null);
2643        builder.setPositiveButton(
2644                getString(R.string.confirm),
2645                (dialog, which) -> {
2646                    this.activity.xmppConnectionService.clearConversationHistory(conversation);
2647                    if (endConversationCheckBox.isChecked()) {
2648                        this.activity.xmppConnectionService.archiveConversation(conversation);
2649                        this.activity.onConversationArchived(conversation);
2650                    } else {
2651                        activity.onConversationsListItemUpdated();
2652                        refresh();
2653                    }
2654                });
2655        builder.create().show();
2656    }
2657
2658    protected void muteConversationDialog(final Conversation conversation) {
2659        final MaterialAlertDialogBuilder builder = new MaterialAlertDialogBuilder(requireActivity());
2660        builder.setTitle(R.string.disable_notifications);
2661        final int[] durations = activity.getResources().getIntArray(R.array.mute_options_durations);
2662        final CharSequence[] labels = new CharSequence[durations.length];
2663        for (int i = 0; i < durations.length; ++i) {
2664            if (durations[i] == -1) {
2665                labels[i] = activity.getString(R.string.until_further_notice);
2666            } else {
2667                labels[i] = TimeFrameUtils.resolve(activity, 1000L * durations[i]);
2668            }
2669        }
2670        builder.setItems(
2671                labels,
2672                (dialog, which) -> {
2673                    final long till;
2674                    if (durations[which] == -1) {
2675                        till = Long.MAX_VALUE;
2676                    } else {
2677                        till = System.currentTimeMillis() + (durations[which] * 1000L);
2678                    }
2679                    conversation.setMutedTill(till);
2680                    activity.xmppConnectionService.updateConversation(conversation);
2681                    activity.onConversationsListItemUpdated();
2682                    refresh();
2683                    activity.invalidateOptionsMenu();
2684                });
2685        builder.create().show();
2686    }
2687
2688    private boolean hasPermissions(int requestCode, List<String> permissions) {
2689        final List<String> missingPermissions = new ArrayList<>();
2690        for (String permission : permissions) {
2691            if ((Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU || Config.ONLY_INTERNAL_STORAGE) && permission.equals(Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
2692                continue;
2693            }
2694            if (activity.checkSelfPermission(permission) != PackageManager.PERMISSION_GRANTED) {
2695                missingPermissions.add(permission);
2696            }
2697        }
2698        if (missingPermissions.size() == 0) {
2699            return true;
2700        } else {
2701            requestPermissions(
2702                    missingPermissions.toArray(new String[0]),
2703                    requestCode);
2704            return false;
2705        }
2706    }
2707
2708    private boolean hasPermissions(int requestCode, String... permissions) {
2709        return hasPermissions(requestCode, ImmutableList.copyOf(permissions));
2710    }
2711
2712    public void unMuteConversation(final Conversation conversation) {
2713        conversation.setMutedTill(0);
2714        this.activity.xmppConnectionService.updateConversation(conversation);
2715        this.activity.onConversationsListItemUpdated();
2716        refresh();
2717        this.activity.invalidateOptionsMenu();
2718    }
2719
2720    protected void invokeAttachFileIntent(final int attachmentChoice) {
2721        Intent intent = new Intent();
2722        boolean chooser = false;
2723        switch (attachmentChoice) {
2724            case ATTACHMENT_CHOICE_CHOOSE_IMAGE:
2725                intent.setAction(Intent.ACTION_GET_CONTENT);
2726                intent.putExtra(Intent.EXTRA_ALLOW_MULTIPLE, true);
2727                intent.setType("image/*");
2728                chooser = true;
2729                break;
2730            case ATTACHMENT_CHOICE_RECORD_VIDEO:
2731                intent.setAction(MediaStore.ACTION_VIDEO_CAPTURE);
2732                break;
2733            case ATTACHMENT_CHOICE_TAKE_PHOTO:
2734                final Uri uri = activity.xmppConnectionService.getFileBackend().getTakePhotoUri();
2735                pendingTakePhotoUri.push(uri);
2736                intent.putExtra(MediaStore.EXTRA_OUTPUT, uri);
2737                intent.addFlags(Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
2738                intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
2739                intent.setAction(MediaStore.ACTION_IMAGE_CAPTURE);
2740                break;
2741            case ATTACHMENT_CHOICE_CHOOSE_FILE:
2742                chooser = true;
2743                intent.setType("*/*");
2744                intent.putExtra(Intent.EXTRA_ALLOW_MULTIPLE, true);
2745                intent.addCategory(Intent.CATEGORY_OPENABLE);
2746                intent.setAction(Intent.ACTION_GET_CONTENT);
2747                break;
2748            case ATTACHMENT_CHOICE_RECORD_VOICE:
2749                intent = new Intent(getActivity(), RecordingActivity.class);
2750                break;
2751            case ATTACHMENT_CHOICE_LOCATION:
2752                intent = GeoHelper.getFetchIntent(activity);
2753                break;
2754        }
2755        final Context context = getActivity();
2756        if (context == null) {
2757            return;
2758        }
2759        try {
2760            if (chooser) {
2761                startActivityForResult(
2762                        Intent.createChooser(intent, getString(R.string.perform_action_with)),
2763                        attachmentChoice);
2764            } else {
2765                startActivityForResult(intent, attachmentChoice);
2766            }
2767        } catch (final ActivityNotFoundException e) {
2768            Toast.makeText(context, R.string.no_application_found, Toast.LENGTH_LONG).show();
2769        }
2770    }
2771
2772    @Override
2773    public void onResume() {
2774        super.onResume();
2775        binding.messagesView.post(this::fireReadEvent);
2776    }
2777
2778    private void fireReadEvent() {
2779        if (activity != null && this.conversation != null) {
2780            String uuid = getLastVisibleMessageUuid();
2781            if (uuid != null) {
2782                activity.onConversationRead(this.conversation, uuid);
2783            }
2784        }
2785    }
2786
2787    private void newSubThread() {
2788        Element oldThread = conversation.getThread();
2789        Element thread = new Element("thread", "jabber:client");
2790        thread.setContent(UUID.randomUUID().toString());
2791        if (oldThread != null) thread.setAttribute("parent", oldThread.getContent());
2792        setThread(thread);
2793    }
2794
2795    private void newThread() {
2796        Element thread = new Element("thread", "jabber:client");
2797        thread.setContent(UUID.randomUUID().toString());
2798        setThread(thread);
2799    }
2800
2801    private void updateThreadFromLastMessage() {
2802        if (this.conversation != null && !this.conversation.getUserSelectedThread() && TextUtils.isEmpty(binding.textinput.getText())) {
2803            Message message = getLastVisibleMessage();
2804            if (message == null) {
2805                newThread();
2806            } else {
2807                if (conversation.getMode() == Conversation.MODE_MULTI) {
2808                    if (activity == null || activity.xmppConnectionService == null) return;
2809                    if (message.getStatus() < Message.STATUS_SEND) {
2810                        if (!activity.xmppConnectionService.getBooleanPreference("follow_thread_in_channel", R.bool.follow_thread_in_channel)) return;
2811                    }
2812                }
2813
2814                setThread(message.getThread());
2815            }
2816        }
2817    }
2818
2819    private String getLastVisibleMessageUuid() {
2820        Message message =  getLastVisibleMessage();
2821        return message == null ? null : message.getUuid();
2822    }
2823
2824    private Message getLastVisibleMessage() {
2825        if (binding == null) {
2826            return null;
2827        }
2828        synchronized (this.messageList) {
2829            int pos = binding.messagesView.getLastVisiblePosition();
2830            if (pos >= 0) {
2831                Message message = null;
2832                for (int i = pos; i >= 0; --i) {
2833                    try {
2834                        message = (Message) binding.messagesView.getItemAtPosition(i);
2835                    } catch (IndexOutOfBoundsException e) {
2836                        // should not happen if we synchronize properly. however if that fails we
2837                        // just gonna try item -1
2838                        continue;
2839                    }
2840                    if (message.getType() != Message.TYPE_STATUS) {
2841                        break;
2842                    }
2843                }
2844                if (message != null) {
2845                    while (message.next() != null && message.next().wasMergedIntoPrevious(activity == null ? null : activity.xmppConnectionService)) {
2846                        message = message.next();
2847                    }
2848                    return message;
2849                }
2850            }
2851        }
2852        return null;
2853    }
2854
2855    public void jumpTo(final Message message) {
2856        if (message.getUuid() == null) return;
2857        for (int i = 0; i < messageList.size(); i++) {
2858            final var m = messageList.get(i);
2859            if (m == null) continue;
2860            if (message.getUuid().equals(m.getUuid())) {
2861                binding.messagesView.setSelection(i);
2862                return;
2863            }
2864        }
2865    }
2866
2867    private void openWith(final Message message) {
2868        if (message.isGeoUri()) {
2869            GeoHelper.view(getActivity(), message);
2870        } else {
2871            final DownloadableFile file =
2872                    activity.xmppConnectionService.getFileBackend().getFile(message);
2873            ViewUtil.view(activity, file);
2874        }
2875    }
2876
2877    private void reportMessage(final Message message) {
2878        BlockContactDialog.show(activity, conversation.getContact(), message.getServerMsgId());
2879    }
2880
2881    private void showErrorMessage(final Message message) {
2882        final MaterialAlertDialogBuilder builder = new MaterialAlertDialogBuilder(requireActivity());
2883        builder.setTitle(R.string.error_message);
2884        final String errorMessage = message.getErrorMessage();
2885        final String[] errorMessageParts =
2886                errorMessage == null ? new String[0] : errorMessage.split("\\u001f");
2887        final String displayError;
2888        if (errorMessageParts.length == 2) {
2889            displayError = errorMessageParts[1];
2890        } else {
2891            displayError = errorMessage;
2892        }
2893        builder.setMessage(displayError);
2894        builder.setNegativeButton(
2895                R.string.copy_to_clipboard,
2896                (dialog, which) -> {
2897                    activity.copyTextToClipboard(displayError, R.string.error_message);
2898                    Toast.makeText(
2899                                    activity,
2900                                    R.string.error_message_copied_to_clipboard,
2901                                    Toast.LENGTH_SHORT)
2902                            .show();
2903                });
2904        builder.setPositiveButton(R.string.confirm, null);
2905        builder.create().show();
2906    }
2907
2908    public boolean onInlineImageLongClicked(Cid cid) {
2909        DownloadableFile f = activity.xmppConnectionService.getFileForCid(cid);
2910        if (f == null) return false;
2911
2912        saveAsSticker(f, null);
2913        return true;
2914    }
2915
2916    private void saveAsSticker(final Message m) {
2917        String existingName = m.getFileParams() != null && m.getFileParams().getName() != null ? m.getFileParams().getName() : "";
2918        existingName = existingName.lastIndexOf(".") == -1 ? existingName : existingName.substring(0, existingName.lastIndexOf("."));
2919        saveAsSticker(activity.xmppConnectionService.getFileBackend().getFile(m), existingName);
2920    }
2921
2922    private void saveAsSticker(final File file, final String name) {
2923        savingAsSticker = file;
2924
2925        Intent intent = new Intent(Intent.ACTION_CREATE_DOCUMENT);
2926        intent.addCategory(Intent.CATEGORY_OPENABLE);
2927        intent.setType(MimeUtils.guessMimeTypeFromUri(activity, activity.xmppConnectionService.getFileBackend().getUriForFile(activity, file)));
2928        intent.putExtra(Intent.EXTRA_TITLE, name);
2929
2930        SharedPreferences p = PreferenceManager.getDefaultSharedPreferences(activity);
2931        final String dir = p.getString("sticker_directory", "Stickers");
2932        if (dir.startsWith("content://")) {
2933            intent.putExtra("android.provider.extra.INITIAL_URI", Uri.parse(dir));
2934        } else {
2935            new File(Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES) + "/" + dir + "/User Pack").mkdirs();
2936            Uri uri;
2937            if (Build.VERSION.SDK_INT >= 29) {
2938                Intent tmp = ((StorageManager) activity.getSystemService(Context.STORAGE_SERVICE)).getPrimaryStorageVolume().createOpenDocumentTreeIntent();
2939                uri = tmp.getParcelableExtra("android.provider.extra.INITIAL_URI");
2940                uri = Uri.parse(uri.toString().replace("/root/", "/document/") + "%3APictures%2F" + dir);
2941            } else {
2942                uri = Uri.parse("content://com.android.externalstorage.documents/document/primary%3APictures%2F" + dir);
2943            }
2944            intent.putExtra("android.provider.extra.INITIAL_URI", uri);
2945            intent.putExtra("android.content.extra.SHOW_ADVANCED", true);
2946        }
2947
2948        Toast.makeText(activity, "Choose a sticker pack to add this sticker to", Toast.LENGTH_SHORT).show();
2949        startActivityForResult(Intent.createChooser(intent, "Choose sticker pack"), REQUEST_SAVE_STICKER);
2950    }
2951
2952    private void deleteFile(final Message message) {
2953        final MaterialAlertDialogBuilder builder = new MaterialAlertDialogBuilder(requireActivity());
2954        builder.setNegativeButton(R.string.cancel, null);
2955        builder.setTitle(R.string.delete_file_dialog);
2956        builder.setMessage(R.string.delete_file_dialog_msg);
2957        builder.setPositiveButton(
2958                R.string.confirm,
2959                (dialog, which) -> {
2960                    List<Element> thumbs = selectedMessage.getFileParams() != null ? selectedMessage.getFileParams().getThumbnails() : null;
2961                    if (thumbs != null && !thumbs.isEmpty()) {
2962                        for (Element thumb : thumbs) {
2963                            Uri uri = Uri.parse(thumb.getAttribute("uri"));
2964                            if (uri.getScheme().equals("cid")) {
2965                                Cid cid = BobTransfer.cid(uri);
2966                                if (cid == null) continue;
2967                                DownloadableFile f = activity.xmppConnectionService.getFileForCid(cid);
2968                                activity.xmppConnectionService.evictPreview(f);
2969                                f.delete();
2970                            }
2971                        }
2972                    }
2973                    if (activity.xmppConnectionService.getFileBackend().deleteFile(message)) {
2974                        activity.xmppConnectionService.evictPreview(activity.xmppConnectionService.getFileBackend().getFile(message));
2975                        activity.xmppConnectionService.updateMessage(message, false);
2976                        activity.onConversationsListItemUpdated();
2977                        refresh();
2978                    }
2979                });
2980        builder.create().show();
2981    }
2982
2983    private void resendMessage(final Message message) {
2984        if (message.isFileOrImage()) {
2985            if (!(message.getConversation() instanceof Conversation)) {
2986                return;
2987            }
2988            final Conversation conversation = (Conversation) message.getConversation();
2989            final DownloadableFile file =
2990                    activity.xmppConnectionService.getFileBackend().getFile(message);
2991            if ((file.exists() && file.canRead()) || message.hasFileOnRemoteHost()) {
2992                final XmppConnection xmppConnection = conversation.getAccount().getXmppConnection();
2993                if (!message.hasFileOnRemoteHost()
2994                        && xmppConnection != null
2995                        && conversation.getMode() == Conversational.MODE_SINGLE
2996                        && !xmppConnection
2997                                .getFeatures()
2998                                .httpUpload(message.getFileParams().getSize())) {
2999                    activity.selectPresence(
3000                            conversation,
3001                            () -> {
3002                                message.setCounterpart(conversation.getNextCounterpart());
3003                                activity.xmppConnectionService.resendFailedMessages(message);
3004                                new Handler()
3005                                        .post(
3006                                                () -> {
3007                                                    int size = messageList.size();
3008                                                    this.binding.messagesView.setSelection(
3009                                                            size - 1);
3010                                                });
3011                            });
3012                    return;
3013                }
3014            } else if (!Compatibility.hasStoragePermission(getActivity())) {
3015                Toast.makeText(activity, R.string.no_storage_permission, Toast.LENGTH_SHORT).show();
3016                return;
3017            } else {
3018                Toast.makeText(activity, R.string.file_deleted, Toast.LENGTH_SHORT).show();
3019                message.setDeleted(true);
3020                activity.xmppConnectionService.updateMessage(message, false);
3021                activity.onConversationsListItemUpdated();
3022                refresh();
3023                return;
3024            }
3025        }
3026        activity.xmppConnectionService.resendFailedMessages(message);
3027        new Handler()
3028                .post(
3029                        () -> {
3030                            int size = messageList.size();
3031                            this.binding.messagesView.setSelection(size - 1);
3032                        });
3033    }
3034
3035    private void cancelTransmission(Message message) {
3036        Transferable transferable = message.getTransferable();
3037        if (transferable != null) {
3038            transferable.cancel();
3039        } else if (message.getStatus() != Message.STATUS_RECEIVED) {
3040            activity.xmppConnectionService.markMessage(
3041                    message, Message.STATUS_SEND_FAILED, Message.ERROR_MESSAGE_CANCELLED);
3042        }
3043    }
3044
3045    private void retryDecryption(Message message) {
3046        message.setEncryption(Message.ENCRYPTION_PGP);
3047        activity.onConversationsListItemUpdated();
3048        refresh();
3049        conversation.getAccount().getPgpDecryptionService().decrypt(message, false);
3050    }
3051
3052    public void privateMessageWith(final Jid counterpart) {
3053        if (conversation.setOutgoingChatState(Config.DEFAULT_CHAT_STATE)) {
3054            activity.xmppConnectionService.sendChatState(conversation);
3055        }
3056        this.binding.textinput.setText("");
3057        this.conversation.setNextCounterpart(counterpart);
3058        updateChatMsgHint();
3059        updateSendButton();
3060        updateEditablity();
3061    }
3062
3063    private void correctMessage(Message message) {
3064        while (message.mergeable(message.next())) {
3065            message = message.next();
3066        }
3067        setThread(message.getThread());
3068        conversation.setUserSelectedThread(true);
3069        this.conversation.setCorrectingMessage(message);
3070        final Editable editable = binding.textinput.getText();
3071        this.conversation.setDraftMessage(editable.toString());
3072        this.binding.textinput.setText("");
3073        this.binding.textinput.append(message.getBody(true));
3074        if (message.getSubject() != null && message.getSubject().length() > 0) {
3075            this.binding.textinputSubject.setText(message.getSubject());
3076            this.binding.textinputSubject.setVisibility(View.VISIBLE);
3077        }
3078        final var replyTo = message.getInReplyTo();
3079        if (replyTo != null) {
3080            setupReply(replyTo);
3081        }
3082    }
3083
3084    private void highlightInConference(String nick) {
3085        final Editable editable = this.binding.textinput.getText();
3086        String oldString = editable.toString().trim();
3087        final int pos = this.binding.textinput.getSelectionStart();
3088        if (oldString.isEmpty() || pos == 0) {
3089            editable.insert(0, nick + ": ");
3090        } else {
3091            final char before = editable.charAt(pos - 1);
3092            final char after = editable.length() > pos ? editable.charAt(pos) : '\0';
3093            if (before == '\n') {
3094                editable.insert(pos, nick + ": ");
3095            } else {
3096                if (pos > 2 && editable.subSequence(pos - 2, pos).toString().equals(": ")) {
3097                    if (NickValidityChecker.check(
3098                            conversation,
3099                            Arrays.asList(
3100                                    editable.subSequence(0, pos - 2).toString().split(", ")))) {
3101                        editable.insert(pos - 2, ", " + nick);
3102                        return;
3103                    }
3104                }
3105                editable.insert(
3106                        pos,
3107                        (Character.isWhitespace(before) ? "" : " ")
3108                                + nick
3109                                + (Character.isWhitespace(after) ? "" : " "));
3110                if (Character.isWhitespace(after)) {
3111                    this.binding.textinput.setSelection(
3112                            this.binding.textinput.getSelectionStart() + 1);
3113                }
3114            }
3115        }
3116    }
3117
3118    @Override
3119    public void startActivityForResult(Intent intent, int requestCode) {
3120        final Activity activity = getActivity();
3121        if (activity instanceof ConversationsActivity) {
3122            ((ConversationsActivity) activity).clearPendingViewIntent();
3123        }
3124        super.startActivityForResult(intent, requestCode);
3125    }
3126
3127    @Override
3128    public void onSaveInstanceState(@NonNull Bundle outState) {
3129        super.onSaveInstanceState(outState);
3130        if (conversation != null) {
3131            outState.putString(STATE_CONVERSATION_UUID, conversation.getUuid());
3132            outState.putString(STATE_LAST_MESSAGE_UUID, lastMessageUuid);
3133            final Uri uri = pendingTakePhotoUri.peek();
3134            if (uri != null) {
3135                outState.putString(STATE_PHOTO_URI, uri.toString());
3136            }
3137            final ScrollState scrollState = getScrollPosition();
3138            if (scrollState != null) {
3139                outState.putParcelable(STATE_SCROLL_POSITION, scrollState);
3140            }
3141            final ArrayList<Attachment> attachments =
3142                    mediaPreviewAdapter == null
3143                            ? new ArrayList<>()
3144                            : mediaPreviewAdapter.getAttachments();
3145            if (attachments.size() > 0) {
3146                outState.putParcelableArrayList(STATE_MEDIA_PREVIEWS, attachments);
3147            }
3148        }
3149    }
3150
3151    @Override
3152    public void onActivityCreated(Bundle savedInstanceState) {
3153        super.onActivityCreated(savedInstanceState);
3154        if (savedInstanceState == null) {
3155            return;
3156        }
3157        String uuid = savedInstanceState.getString(STATE_CONVERSATION_UUID);
3158        ArrayList<Attachment> attachments =
3159                savedInstanceState.getParcelableArrayList(STATE_MEDIA_PREVIEWS);
3160        pendingLastMessageUuid.push(savedInstanceState.getString(STATE_LAST_MESSAGE_UUID, null));
3161        if (uuid != null) {
3162            QuickLoader.set(uuid);
3163            this.pendingConversationsUuid.push(uuid);
3164            if (attachments != null && attachments.size() > 0) {
3165                this.pendingMediaPreviews.push(attachments);
3166            }
3167            String takePhotoUri = savedInstanceState.getString(STATE_PHOTO_URI);
3168            if (takePhotoUri != null) {
3169                pendingTakePhotoUri.push(Uri.parse(takePhotoUri));
3170            }
3171            pendingScrollState.push(savedInstanceState.getParcelable(STATE_SCROLL_POSITION));
3172        }
3173    }
3174
3175    @Override
3176    public void onStart() {
3177        super.onStart();
3178        if (this.reInitRequiredOnStart && this.conversation != null) {
3179            final Bundle extras = pendingExtras.pop();
3180            reInit(this.conversation, extras != null);
3181            if (extras != null) {
3182                processExtras(extras);
3183            }
3184        } else if (conversation == null
3185                && activity != null
3186                && activity.xmppConnectionService != null) {
3187            final String uuid = pendingConversationsUuid.pop();
3188            Log.d(
3189                    Config.LOGTAG,
3190                    "ConversationFragment.onStart() - activity was bound but no conversation loaded. uuid="
3191                            + uuid);
3192            if (uuid != null) {
3193                findAndReInitByUuidOrArchive(uuid);
3194            }
3195        }
3196    }
3197
3198    @Override
3199    public void onStop() {
3200        super.onStop();
3201        final Activity activity = getActivity();
3202        messageListAdapter.unregisterListenerInAudioPlayer();
3203        if (activity == null || !activity.isChangingConfigurations()) {
3204            hideSoftKeyboard(activity);
3205            messageListAdapter.stopAudioPlayer();
3206        }
3207        if (this.conversation != null) {
3208            final String msg = this.binding.textinput.getText().toString();
3209            storeNextMessage(msg);
3210            updateChatState(this.conversation, msg);
3211            this.activity.xmppConnectionService.getNotificationService().setOpenConversation(null);
3212        }
3213        this.reInitRequiredOnStart = true;
3214    }
3215
3216    private void updateChatState(final Conversation conversation, final String msg) {
3217        ChatState state = msg.length() == 0 ? Config.DEFAULT_CHAT_STATE : ChatState.PAUSED;
3218        Account.State status = conversation.getAccount().getStatus();
3219        if (status == Account.State.ONLINE && conversation.setOutgoingChatState(state)) {
3220            activity.xmppConnectionService.sendChatState(conversation);
3221        }
3222    }
3223
3224    private void saveMessageDraftStopAudioPlayer() {
3225        final Conversation previousConversation = this.conversation;
3226        if (this.activity == null || this.binding == null || previousConversation == null) {
3227            return;
3228        }
3229        Log.d(Config.LOGTAG, "ConversationFragment.saveMessageDraftStopAudioPlayer()");
3230        final String msg = this.binding.textinput.getText().toString();
3231        storeNextMessage(msg);
3232        updateChatState(this.conversation, msg);
3233        messageListAdapter.stopAudioPlayer();
3234        mediaPreviewAdapter.clearPreviews();
3235        toggleInputMethod();
3236    }
3237
3238    public void reInit(final Conversation conversation, final Bundle extras) {
3239        QuickLoader.set(conversation.getUuid());
3240        final boolean changedConversation = this.conversation != conversation;
3241        if (changedConversation) {
3242            this.saveMessageDraftStopAudioPlayer();
3243        }
3244        this.clearPending();
3245        if (this.reInit(conversation, extras != null)) {
3246            if (extras != null) {
3247                processExtras(extras);
3248            }
3249            this.reInitRequiredOnStart = false;
3250        } else {
3251            this.reInitRequiredOnStart = true;
3252            pendingExtras.push(extras);
3253        }
3254        resetUnreadMessagesCount();
3255    }
3256
3257    private void reInit(Conversation conversation) {
3258        reInit(conversation, false);
3259    }
3260
3261    private boolean reInit(final Conversation conversation, final boolean hasExtras) {
3262        if (conversation == null) {
3263            return false;
3264        }
3265        final Conversation originalConversation = this.conversation;
3266        this.conversation = conversation;
3267        // once we set the conversation all is good and it will automatically do the right thing in
3268        // onStart()
3269        if (this.activity == null || this.binding == null) {
3270            return false;
3271        }
3272
3273        if (!activity.xmppConnectionService.isConversationStillOpen(this.conversation)) {
3274            activity.onConversationArchived(this.conversation);
3275            return false;
3276        }
3277
3278        final var cursord = activity.getDrawable(R.drawable.cursor_on_tertiary_container);
3279        if (activity.xmppConnectionService != null && activity.xmppConnectionService.getAccounts().size() > 1) {
3280            final var bg = MaterialColors.getColor(binding.textinput, com.google.android.material.R.attr.colorSurface);
3281            final var accountColor = conversation.getAccount().getColor(activity.isDark());
3282            final var colors = MaterialColors.getColorRoles(activity, accountColor);
3283            final var accent = activity.isDark() ? ColorUtils.blendARGB(colors.getAccentContainer(), bg, 1.0f - Math.max(0.25f, Color.alpha(accountColor) / 255.0f)) : colors.getAccentContainer();
3284            cursord.setTintList(ColorStateList.valueOf(colors.getOnAccentContainer()));
3285            binding.inputLayout.setBackgroundTintList(ColorStateList.valueOf(accent));
3286            binding.textinputSubject.setTextColor(colors.getOnAccentContainer());
3287            binding.textinput.setTextColor(colors.getOnAccentContainer());
3288            binding.textinputSubject.setHintTextColor(ColorStateList.valueOf(colors.getOnAccentContainer()).withAlpha(115));
3289            binding.textinput.setHintTextColor(ColorStateList.valueOf(colors.getOnAccentContainer()).withAlpha(115));
3290            binding.textInputHint.setTextColor(colors.getOnAccentContainer());
3291        } else {
3292            cursord.setTintList(ColorStateList.valueOf(MaterialColors.getColor(binding.textinput, com.google.android.material.R.attr.colorOnTertiaryContainer)));
3293            binding.inputLayout.setBackgroundTintList(ColorStateList.valueOf(MaterialColors.getColor(binding.inputLayout, com.google.android.material.R.attr.colorTertiaryContainer)));
3294            binding.textinputSubject.setTextColor(MaterialColors.getColor(binding.textinputSubject, com.google.android.material.R.attr.colorOnTertiaryContainer));
3295            binding.textinput.setTextColor(MaterialColors.getColor(binding.textinput, com.google.android.material.R.attr.colorOnTertiaryContainer));
3296            binding.textinputSubject.setHintTextColor(R.color.hint_on_tertiary_container);
3297            binding.textinput.setHintTextColor(R.color.hint_on_tertiary_container);
3298            binding.textInputHint.setTextColor(MaterialColors.getColor(binding.textInputHint, com.google.android.material.R.attr.colorOnTertiaryContainer));
3299        }
3300        if (Build.VERSION.SDK_INT >= 29) {
3301            binding.textinputSubject.setTextCursorDrawable(cursord);
3302            binding.textinput.setTextCursorDrawable(cursord);
3303        }
3304
3305        setThread(conversation.getThread());
3306        setupReply(conversation.getReplyTo());
3307
3308        stopScrolling();
3309        Log.d(Config.LOGTAG, "reInit(hasExtras=" + hasExtras + ")");
3310
3311        if (this.conversation.isRead() && hasExtras) {
3312            Log.d(Config.LOGTAG, "trimming conversation");
3313            this.conversation.trim();
3314        }
3315
3316        setupIme();
3317
3318        final boolean scrolledToBottomAndNoPending =
3319                this.scrolledToBottom() && pendingScrollState.peek() == null;
3320
3321        this.binding.textSendButton.setContentDescription(
3322                activity.getString(R.string.send_message_to_x, conversation.getName()));
3323        this.binding.textinput.setKeyboardListener(null);
3324        this.binding.textinputSubject.setKeyboardListener(null);
3325        final boolean participating =
3326                conversation.getMode() == Conversational.MODE_SINGLE
3327                        || conversation.getMucOptions().participating();
3328        if (participating) {
3329            this.binding.textinput.setText(this.conversation.getNextMessage());
3330            this.binding.textinput.setSelection(this.binding.textinput.length());
3331        } else {
3332            this.binding.textinput.setText(MessageUtils.EMPTY_STRING);
3333        }
3334        this.binding.textinput.setKeyboardListener(this);
3335        this.binding.textinputSubject.setKeyboardListener(this);
3336        messageListAdapter.updatePreferences();
3337        refresh(false);
3338        activity.invalidateOptionsMenu();
3339        this.conversation.messagesLoaded.set(true);
3340        Log.d(Config.LOGTAG, "scrolledToBottomAndNoPending=" + scrolledToBottomAndNoPending);
3341
3342        if (hasExtras || scrolledToBottomAndNoPending) {
3343            resetUnreadMessagesCount();
3344            synchronized (this.messageList) {
3345                Log.d(Config.LOGTAG, "jump to first unread message");
3346                final Message first = conversation.getFirstUnreadMessage();
3347                final int bottom = Math.max(0, this.messageList.size() - 1);
3348                final int pos;
3349                final boolean jumpToBottom;
3350                if (first == null) {
3351                    pos = bottom;
3352                    jumpToBottom = true;
3353                } else {
3354                    int i = getIndexOf(first.getUuid(), this.messageList);
3355                    pos = i < 0 ? bottom : i;
3356                    jumpToBottom = false;
3357                }
3358                setSelection(pos, jumpToBottom);
3359            }
3360        }
3361
3362        this.binding.messagesView.post(this::fireReadEvent);
3363        // TODO if we only do this when this fragment is running on main it won't *bing* in tablet
3364        // layout which might be unnecessary since we can *see* it
3365        activity.xmppConnectionService
3366                .getNotificationService()
3367                .setOpenConversation(this.conversation);
3368
3369        if (commandAdapter != null && conversation != originalConversation) {
3370            commandAdapter.clear();
3371            conversation.setupViewPager(binding.conversationViewPager, binding.tabLayout, activity.xmppConnectionService.isOnboarding(), originalConversation);
3372            refreshCommands(false);
3373        }
3374        if (commandAdapter == null && conversation != null) {
3375            conversation.setupViewPager(binding.conversationViewPager, binding.tabLayout, activity.xmppConnectionService.isOnboarding(), null);
3376            commandAdapter = new CommandAdapter((XmppActivity) getActivity());
3377            binding.commandsView.setAdapter(commandAdapter);
3378            binding.commandsView.setOnItemClickListener((parent, view, position, id) -> {
3379                if (activity == null) return;
3380
3381                commandAdapter.getItem(position).start(activity, ConversationFragment.this.conversation);
3382            });
3383            refreshCommands(false);
3384        }
3385
3386        binding.commandsNote.setVisibility(activity.xmppConnectionService.isOnboarding() ? View.VISIBLE : View.GONE);
3387
3388        return true;
3389    }
3390
3391    @Override
3392    public void refreshForNewCaps(final Set<Jid> newCapsJids) {
3393        if (newCapsJids.isEmpty() || newCapsJids.contains(conversation.getJid().asBareJid())) {
3394            refreshCommands(true);
3395        }
3396    }
3397
3398    protected void refreshCommands(boolean delayShow) {
3399        if (commandAdapter == null) return;
3400
3401        final CommandAdapter.MucConfig mucConfig =
3402            conversation.getMucOptions().getSelf().getAffiliation().ranks(MucOptions.Affiliation.OWNER) ?
3403            new CommandAdapter.MucConfig() :
3404            null;
3405
3406        Jid commandJid = conversation.getContact().resourceWhichSupport(Namespace.COMMANDS);
3407        if (commandJid == null && conversation.getMode() == Conversation.MODE_MULTI && conversation.getMucOptions().hasFeature(Namespace.COMMANDS)) {
3408            commandJid = conversation.getJid().asBareJid();
3409        }
3410        if (commandJid == null && conversation.getJid().isDomainJid()) {
3411            commandJid = conversation.getJid();
3412        }
3413        if (commandJid == null) {
3414            binding.commandsViewProgressbar.setVisibility(View.GONE);
3415            if (mucConfig == null) {
3416                conversation.hideViewPager();
3417            } else {
3418                commandAdapter.clear();
3419                commandAdapter.add(mucConfig);
3420                conversation.showViewPager();
3421            }
3422        } else {
3423            if (!delayShow) conversation.showViewPager();
3424            binding.commandsViewProgressbar.setVisibility(View.VISIBLE);
3425            activity.xmppConnectionService.fetchCommands(conversation.getAccount(), commandJid, (iq) -> {
3426                if (activity == null) return;
3427
3428                activity.runOnUiThread(() -> {
3429                    binding.commandsViewProgressbar.setVisibility(View.GONE);
3430                    commandAdapter.clear();
3431                    if (iq.getType() == Iq.Type.RESULT) {
3432                        for (Element child : iq.query().getChildren()) {
3433                            if (!"item".equals(child.getName()) || !Namespace.DISCO_ITEMS.equals(child.getNamespace())) continue;
3434                            commandAdapter.add(new CommandAdapter.Command0050(child));
3435                        }
3436                    }
3437
3438                    if (mucConfig != null) commandAdapter.add(mucConfig);
3439
3440                    if (commandAdapter.getCount() < 1) {
3441                        conversation.hideViewPager();
3442                    } else if (delayShow) {
3443                        conversation.showViewPager();
3444                    }
3445                });
3446            });
3447        }
3448    }
3449
3450    private void resetUnreadMessagesCount() {
3451        lastMessageUuid = null;
3452        hideUnreadMessagesCount();
3453    }
3454
3455    private void hideUnreadMessagesCount() {
3456        if (this.binding == null) {
3457            return;
3458        }
3459        this.binding.scrollToBottomButton.setEnabled(false);
3460        this.binding.scrollToBottomButton.hide();
3461        this.binding.unreadCountCustomView.setVisibility(View.GONE);
3462    }
3463
3464    private void setSelection(int pos, boolean jumpToBottom) {
3465        ListViewUtils.setSelection(this.binding.messagesView, pos, jumpToBottom);
3466        this.binding.messagesView.post(
3467                () -> ListViewUtils.setSelection(this.binding.messagesView, pos, jumpToBottom));
3468        this.binding.messagesView.post(this::fireReadEvent);
3469    }
3470
3471    private boolean scrolledToBottom() {
3472        return this.binding != null && scrolledToBottom(this.binding.messagesView);
3473    }
3474
3475    private void processExtras(final Bundle extras) {
3476        final String downloadUuid = extras.getString(ConversationsActivity.EXTRA_DOWNLOAD_UUID);
3477        final String text = extras.getString(Intent.EXTRA_TEXT);
3478        final String nick = extras.getString(ConversationsActivity.EXTRA_NICK);
3479        final String node = extras.getString(ConversationsActivity.EXTRA_NODE);
3480        final String postInitAction =
3481                extras.getString(ConversationsActivity.EXTRA_POST_INIT_ACTION);
3482        final boolean asQuote = extras.getBoolean(ConversationsActivity.EXTRA_AS_QUOTE);
3483        final boolean pm = extras.getBoolean(ConversationsActivity.EXTRA_IS_PRIVATE_MESSAGE, false);
3484        final boolean doNotAppend =
3485                extras.getBoolean(ConversationsActivity.EXTRA_DO_NOT_APPEND, false);
3486        final String type = extras.getString(ConversationsActivity.EXTRA_TYPE);
3487
3488        final String thread = extras.getString(ConversationsActivity.EXTRA_THREAD);
3489        if (thread != null) {
3490            conversation.setLockThread(true);
3491            backPressedLeaveSingleThread.setEnabled(true);
3492            setThread(new Element("thread").setContent(thread));
3493            refresh();
3494        }
3495
3496        final List<Uri> uris = extractUris(extras);
3497        if (uris != null && uris.size() > 0) {
3498            if (uris.size() == 1 && "geo".equals(uris.get(0).getScheme())) {
3499                mediaPreviewAdapter.addMediaPreviews(
3500                        Attachment.of(getActivity(), uris.get(0), Attachment.Type.LOCATION));
3501            } else {
3502                final List<Uri> cleanedUris = cleanUris(new ArrayList<>(uris));
3503                mediaPreviewAdapter.addMediaPreviews(
3504                        Attachment.of(getActivity(), cleanedUris, type));
3505            }
3506            toggleInputMethod();
3507            return;
3508        }
3509        if (nick != null) {
3510            if (pm) {
3511                Jid jid = conversation.getJid();
3512                try {
3513                    Jid next = Jid.of(jid.getLocal(), jid.getDomain(), nick);
3514                    privateMessageWith(next);
3515                } catch (final IllegalArgumentException ignored) {
3516                    // do nothing
3517                }
3518            } else {
3519                final MucOptions mucOptions = conversation.getMucOptions();
3520                if (mucOptions.participating() || conversation.getNextCounterpart() != null) {
3521                    highlightInConference(nick);
3522                }
3523            }
3524        } else {
3525            if (text != null && GeoHelper.GEO_URI.matcher(text).matches()) {
3526                mediaPreviewAdapter.addMediaPreviews(
3527                        Attachment.of(getActivity(), Uri.parse(text), Attachment.Type.LOCATION));
3528                toggleInputMethod();
3529                return;
3530            } else if (text != null && asQuote) {
3531                quoteText(text);
3532            } else {
3533                appendText(text, doNotAppend);
3534            }
3535        }
3536        if (ConversationsActivity.POST_ACTION_RECORD_VOICE.equals(postInitAction)) {
3537            attachFile(ATTACHMENT_CHOICE_RECORD_VOICE, false);
3538            return;
3539        }
3540        if ("call".equals(postInitAction)) {
3541            checkPermissionAndTriggerAudioCall();
3542        }
3543        if ("message".equals(postInitAction)) {
3544            binding.conversationViewPager.post(() -> {
3545                binding.conversationViewPager.setCurrentItem(0);
3546            });
3547        }
3548        if ("command".equals(postInitAction)) {
3549            binding.conversationViewPager.post(() -> {
3550                PagerAdapter adapter = binding.conversationViewPager.getAdapter();
3551                if (adapter != null && adapter.getCount() > 1) {
3552                    binding.conversationViewPager.setCurrentItem(1);
3553                }
3554                final String jid = extras.getString(ConversationsActivity.EXTRA_JID);
3555                Jid commandJid = null;
3556                if (jid != null) {
3557                    try {
3558                        commandJid = Jid.of(jid);
3559                    } catch (final IllegalArgumentException e) { }
3560                }
3561                if (commandJid == null || !commandJid.isFullJid()) {
3562                    final Jid discoJid = conversation.getContact().resourceWhichSupport(Namespace.COMMANDS);
3563                    if (discoJid != null) commandJid = discoJid;
3564                }
3565                if (node != null && commandJid != null && activity != null) {
3566                    conversation.startCommand(commandFor(commandJid, node), activity.xmppConnectionService);
3567                }
3568            });
3569            return;
3570        }
3571        Message message =
3572                downloadUuid == null ? null : conversation.findMessageWithFileAndUuid(downloadUuid);
3573        if ("webxdc".equals(postInitAction)) {
3574            if (message == null) {
3575                message = activity.xmppConnectionService.getMessage(conversation, downloadUuid);
3576            }
3577            if (message == null) return;
3578
3579            Cid webxdcCid = message.getFileParams().getCids().get(0);
3580            WebxdcPage webxdc = new WebxdcPage(activity, webxdcCid, message, activity.xmppConnectionService);
3581            Conversation conversation = (Conversation) message.getConversation();
3582            if (!conversation.switchToSession("webxdc\0" + message.getUuid())) {
3583                conversation.startWebxdc(webxdc);
3584            }
3585        }
3586        if (message != null) {
3587            startDownloadable(message);
3588        }
3589        if (activity.xmppConnectionService.isOnboarding() && conversation.getJid().equals(Jid.of("cheogram.com"))) {
3590            if (!conversation.switchToSession("jabber:iq:register")) {
3591                conversation.startCommand(commandFor(Jid.of("cheogram.com/CHEOGRAM%jabber:iq:register"), "jabber:iq:register"), activity.xmppConnectionService);
3592            }
3593        }
3594    }
3595
3596    private Element commandFor(final Jid jid, final String node) {
3597        if (commandAdapter != null) {
3598            for (int i = 0; i < commandAdapter.getCount(); i++) {
3599                final CommandAdapter.Command c = commandAdapter.getItem(i);
3600                if (!(c instanceof CommandAdapter.Command0050)) continue;
3601
3602                final Element command = ((CommandAdapter.Command0050) c).el;
3603                final String commandNode = command.getAttribute("node");
3604                if (commandNode == null || !commandNode.equals(node)) continue;
3605
3606                final Jid commandJid = command.getAttributeAsJid("jid");
3607                if (commandJid != null && !commandJid.asBareJid().equals(jid.asBareJid())) continue;
3608
3609                return command;
3610            }
3611        }
3612
3613        return new Element("command", Namespace.COMMANDS).setAttribute("name", node).setAttribute("node", node).setAttribute("jid", jid);
3614    }
3615
3616    private List<Uri> extractUris(final Bundle extras) {
3617        final List<Uri> uris = extras.getParcelableArrayList(Intent.EXTRA_STREAM);
3618        if (uris != null) {
3619            return uris;
3620        }
3621        final Uri uri = extras.getParcelable(Intent.EXTRA_STREAM);
3622        if (uri != null) {
3623            return Collections.singletonList(uri);
3624        } else {
3625            return null;
3626        }
3627    }
3628
3629    private List<Uri> cleanUris(final List<Uri> uris) {
3630        final Iterator<Uri> iterator = uris.iterator();
3631        while (iterator.hasNext()) {
3632            final Uri uri = iterator.next();
3633            if (FileBackend.dangerousFile(uri)) {
3634                iterator.remove();
3635                Toast.makeText(
3636                                requireActivity(),
3637                                R.string.security_violation_not_attaching_file,
3638                                Toast.LENGTH_SHORT)
3639                        .show();
3640            }
3641        }
3642        return uris;
3643    }
3644
3645    private boolean showBlockSubmenu(View view) {
3646        final Jid jid = conversation.getJid();
3647        final int mode = conversation.getMode();
3648        final var contact = mode == Conversation.MODE_SINGLE ? conversation.getContact() : null;
3649        final boolean showReject = contact.getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST);
3650        PopupMenu popupMenu = new PopupMenu(getActivity(), view);
3651        popupMenu.inflate(R.menu.block);
3652        popupMenu.getMenu().findItem(R.id.block_contact).setVisible(jid.getLocal() != null);
3653        popupMenu.getMenu().findItem(R.id.reject).setVisible(showReject);
3654        popupMenu.getMenu().findItem(R.id.add_contact).setVisible(!contact.showInRoster());
3655        popupMenu.setOnMenuItemClickListener(
3656                menuItem -> {
3657                    Blockable blockable;
3658                    switch (menuItem.getItemId()) {
3659                        case R.id.reject:
3660                            activity.xmppConnectionService.stopPresenceUpdatesTo(
3661                                    conversation.getContact());
3662                            updateSnackBar(conversation);
3663                            return true;
3664                        case R.id.add_contact:
3665                            mAddBackClickListener.onClick(view);
3666                            return true;
3667                        case R.id.block_domain:
3668                            blockable =
3669                                    conversation
3670                                            .getAccount()
3671                                            .getRoster()
3672                                            .getContact(jid.getDomain());
3673                            break;
3674                        default:
3675                            blockable = conversation;
3676                    }
3677                    BlockContactDialog.show(activity, blockable);
3678                    return true;
3679                });
3680        popupMenu.show();
3681        return true;
3682    }
3683
3684    private boolean showBlockMucSubmenu(View view) {
3685        final var jid = conversation.getJid();
3686        final var popupMenu = new PopupMenu(getActivity(), view);
3687        popupMenu.inflate(R.menu.block_muc);
3688        popupMenu.getMenu().findItem(R.id.block_contact).setVisible(jid.getLocal() != null);
3689        popupMenu.setOnMenuItemClickListener(
3690                menuItem -> {
3691                    Blockable blockable;
3692                    switch (menuItem.getItemId()) {
3693                        case R.id.reject:
3694                            activity.xmppConnectionService.clearConversationHistory(conversation);
3695                            activity.xmppConnectionService.archiveConversation(conversation);
3696                            return true;
3697                        case R.id.add_bookmark:
3698                            activity.xmppConnectionService.saveConversationAsBookmark(conversation, "");
3699                            updateSnackBar(conversation);
3700                            return true;
3701                        case R.id.block_contact:
3702                            blockable =
3703                                    conversation
3704                                            .getAccount()
3705                                            .getRoster()
3706                                            .getContact(Jid.of(conversation.getAttribute("inviter")));
3707                            break;
3708                        default:
3709                            blockable = conversation;
3710                    }
3711                    BlockContactDialog.show(activity, blockable);
3712                    activity.xmppConnectionService.archiveConversation(conversation);
3713                    return true;
3714                });
3715        popupMenu.show();
3716        return true;
3717    }
3718
3719    private void updateSnackBar(final Conversation conversation) {
3720        final Account account = conversation.getAccount();
3721        final XmppConnection connection = account.getXmppConnection();
3722        final int mode = conversation.getMode();
3723        final Contact contact = mode == Conversation.MODE_SINGLE ? conversation.getContact() : null;
3724        if (conversation.getStatus() == Conversation.STATUS_ARCHIVED) {
3725            return;
3726        }
3727        if (account.getStatus() == Account.State.DISABLED) {
3728            showSnackbar(
3729                    R.string.this_account_is_disabled,
3730                    R.string.enable,
3731                    this.mEnableAccountListener);
3732        } else if (account.getStatus() == Account.State.LOGGED_OUT) {
3733            showSnackbar(R.string.this_account_is_logged_out,R.string.log_in,this.mEnableAccountListener);
3734        } else if (conversation.isBlocked()) {
3735            showSnackbar(R.string.contact_blocked, R.string.unblock, this.mUnblockClickListener);
3736        } else if (account.getStatus() == Account.State.CONNECTING) {
3737            showSnackbar(R.string.this_account_is_connecting, 0, null);
3738        } else if (account.getStatus() != Account.State.ONLINE) {
3739            showSnackbar(R.string.this_account_is_offline, 0, null);
3740        } else if (contact != null
3741                && !contact.showInRoster()
3742                && contact.getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)) {
3743            showSnackbar(
3744                    R.string.contact_added_you,
3745                    R.string.options,
3746                    this.mBlockClickListener,
3747                    this.mLongPressBlockListener);
3748        } else if (contact != null
3749                && contact.getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)) {
3750            showSnackbar(
3751                    R.string.contact_asks_for_presence_subscription,
3752                    R.string.allow,
3753                    this.mAllowPresenceSubscription,
3754                    this.mLongPressBlockListener);
3755        } else if (mode == Conversation.MODE_MULTI
3756                && !conversation.getMucOptions().online()
3757                && account.getStatus() == Account.State.ONLINE) {
3758            switch (conversation.getMucOptions().getError()) {
3759                case NICK_IN_USE:
3760                    showSnackbar(R.string.nick_in_use, R.string.edit, clickToMuc);
3761                    break;
3762                case NO_RESPONSE:
3763                    showSnackbar(R.string.joining_conference, 0, null);
3764                    break;
3765                case SERVER_NOT_FOUND:
3766                    if (conversation.receivedMessagesCount() > 0) {
3767                        showSnackbar(R.string.remote_server_not_found, R.string.try_again, joinMuc);
3768                    } else {
3769                        showSnackbar(R.string.remote_server_not_found, R.string.leave, leaveMuc);
3770                    }
3771                    break;
3772                case REMOTE_SERVER_TIMEOUT:
3773                    if (conversation.receivedMessagesCount() > 0) {
3774                        showSnackbar(R.string.remote_server_timeout, R.string.try_again, joinMuc);
3775                    } else {
3776                        showSnackbar(R.string.remote_server_timeout, R.string.leave, leaveMuc);
3777                    }
3778                    break;
3779                case PASSWORD_REQUIRED:
3780                    showSnackbar(
3781                            R.string.conference_requires_password,
3782                            R.string.enter_password,
3783                            enterPassword);
3784                    break;
3785                case BANNED:
3786                    showSnackbar(R.string.conference_banned, R.string.leave, leaveMuc);
3787                    break;
3788                case MEMBERS_ONLY:
3789                    showSnackbar(R.string.conference_members_only, R.string.leave, leaveMuc);
3790                    break;
3791                case RESOURCE_CONSTRAINT:
3792                    showSnackbar(
3793                            R.string.conference_resource_constraint, R.string.try_again, joinMuc);
3794                    break;
3795                case KICKED:
3796                    showSnackbar(R.string.conference_kicked, R.string.join, joinMuc);
3797                    break;
3798                case TECHNICAL_PROBLEMS:
3799                    showSnackbar(R.string.conference_technical_problems, R.string.try_again, joinMuc);
3800                    break;
3801                case UNKNOWN:
3802                    showSnackbar(R.string.conference_unknown_error, R.string.try_again, joinMuc);
3803                    break;
3804                case INVALID_NICK:
3805                    showSnackbar(R.string.invalid_muc_nick, R.string.edit, clickToMuc);
3806                case SHUTDOWN:
3807                    showSnackbar(R.string.conference_shutdown, R.string.try_again, joinMuc);
3808                    break;
3809                case DESTROYED:
3810                    showSnackbar(R.string.conference_destroyed, R.string.leave, leaveMuc);
3811                    break;
3812                case NON_ANONYMOUS:
3813                    showSnackbar(
3814                            R.string.group_chat_will_make_your_jabber_id_public,
3815                            R.string.join,
3816                            acceptJoin);
3817                    break;
3818                default:
3819                    hideSnackbar();
3820                    break;
3821            }
3822        } else if (account.hasPendingPgpIntent(conversation)) {
3823            showSnackbar(R.string.openpgp_messages_found, R.string.decrypt, clickToDecryptListener);
3824        } else if (connection != null
3825                && connection.getFeatures().blocking()
3826                && conversation.strangerInvited()) {
3827            showSnackbar(
3828                    R.string.received_invite_from_stranger,
3829                    R.string.options,
3830                    (v) -> showBlockMucSubmenu(v),
3831                    (v) -> showBlockMucSubmenu(v));
3832        } else if (connection != null
3833                && connection.getFeatures().blocking()
3834                && conversation.countMessages() != 0
3835                && !conversation.isBlocked()
3836                && conversation.isWithStranger()) {
3837            showSnackbar(
3838                    R.string.received_message_from_stranger,
3839                    R.string.options,
3840                    this.mBlockClickListener,
3841                    this.mLongPressBlockListener);
3842        } else {
3843            hideSnackbar();
3844        }
3845    }
3846
3847    @Override
3848    public void refresh() {
3849        if (this.binding == null) {
3850            Log.d(
3851                    Config.LOGTAG,
3852                    "ConversationFragment.refresh() skipped updated because view binding was null");
3853            return;
3854        }
3855        if (this.conversation != null
3856                && this.activity != null
3857                && this.activity.xmppConnectionService != null) {
3858            if (!activity.xmppConnectionService.isConversationStillOpen(this.conversation)) {
3859                activity.onConversationArchived(this.conversation);
3860                return;
3861            }
3862        }
3863        this.refresh(true);
3864    }
3865
3866    private void refresh(boolean notifyConversationRead) {
3867        synchronized (this.messageList) {
3868            if (this.conversation != null) {
3869                if (messageListAdapter.hasSelection()) {
3870                    if (notifyConversationRead) binding.messagesView.postDelayed(this::refresh, 1000L);
3871                } else {
3872                    conversation.populateWithMessages(this.messageList, activity == null ? null : activity.xmppConnectionService);
3873                    updateStatusMessages();
3874                    this.messageListAdapter.notifyDataSetChanged();
3875                }
3876                if (conversation.getReceivedMessagesCountSinceUuid(lastMessageUuid) != 0) {
3877                    binding.unreadCountCustomView.setVisibility(View.VISIBLE);
3878                    binding.unreadCountCustomView.setUnreadCount(
3879                            conversation.getReceivedMessagesCountSinceUuid(lastMessageUuid));
3880                }
3881                updateSnackBar(conversation);
3882                if (activity != null) updateChatMsgHint();
3883                if (notifyConversationRead && activity != null) {
3884                    binding.messagesView.post(this::fireReadEvent);
3885                }
3886                updateSendButton();
3887                updateEditablity();
3888                conversation.refreshSessions();
3889            }
3890        }
3891    }
3892
3893    protected void messageSent() {
3894        binding.textinputSubject.setText("");
3895        binding.textinputSubject.setVisibility(View.GONE);
3896        setThread(null);
3897        conversation.setUserSelectedThread(false);
3898        mSendingPgpMessage.set(false);
3899        this.binding.textinput.setText("");
3900        if (conversation.setCorrectingMessage(null)) {
3901            this.binding.textinput.append(conversation.getDraftMessage());
3902            conversation.setDraftMessage(null);
3903        }
3904        storeNextMessage();
3905        updateChatMsgHint();
3906        SharedPreferences p = PreferenceManager.getDefaultSharedPreferences(activity);
3907        final boolean prefScrollToBottom =
3908                p.getBoolean(
3909                        "scroll_to_bottom",
3910                        activity.getResources().getBoolean(R.bool.scroll_to_bottom));
3911        if (prefScrollToBottom || scrolledToBottom()) {
3912            new Handler()
3913                    .post(
3914                            () -> {
3915                                int size = messageList.size();
3916                                this.binding.messagesView.setSelection(size - 1);
3917                            });
3918        }
3919    }
3920
3921    private boolean storeNextMessage() {
3922        return storeNextMessage(this.binding.textinput.getText().toString());
3923    }
3924
3925    private boolean storeNextMessage(String msg) {
3926        final boolean participating =
3927                conversation.getMode() == Conversational.MODE_SINGLE
3928                        || conversation.getMucOptions().participating();
3929        if (this.conversation.getStatus() != Conversation.STATUS_ARCHIVED
3930                && participating
3931                && this.conversation.setNextMessage(msg) && activity != null) {
3932            activity.xmppConnectionService.updateConversation(this.conversation);
3933            return true;
3934        }
3935        return false;
3936    }
3937
3938    public void doneSendingPgpMessage() {
3939        mSendingPgpMessage.set(false);
3940    }
3941
3942    public long getMaxHttpUploadSize(Conversation conversation) {
3943        final XmppConnection connection = conversation.getAccount().getXmppConnection();
3944        return connection == null ? -1 : connection.getFeatures().getMaxHttpUploadSize();
3945    }
3946
3947    private boolean canWrite() {
3948        return
3949                this.conversation.getMode() == Conversation.MODE_SINGLE
3950                        || this.conversation.getMucOptions().participating()
3951                        || this.conversation.getNextCounterpart() != null;
3952    }
3953
3954    private void updateEditablity() {
3955        boolean canWrite = canWrite();
3956        this.binding.textinput.setFocusable(canWrite);
3957        this.binding.textinput.setFocusableInTouchMode(canWrite);
3958        this.binding.textSendButton.setEnabled(canWrite);
3959        this.binding.textSendButton.setVisibility(canWrite ? View.VISIBLE : View.GONE);
3960        this.binding.requestVoice.setVisibility(canWrite ? View.GONE : View.VISIBLE);
3961        this.binding.textinput.setCursorVisible(canWrite);
3962        this.binding.textinput.setEnabled(canWrite);
3963    }
3964
3965    public void updateSendButton() {
3966        boolean hasAttachments =
3967                mediaPreviewAdapter != null && mediaPreviewAdapter.hasAttachments();
3968        final Conversation c = this.conversation;
3969        final Presence.Status status;
3970        final String text =
3971                this.binding.textinput == null ? "" : this.binding.textinput.getText().toString();
3972        final SendButtonAction action;
3973        if (hasAttachments) {
3974            action = SendButtonAction.TEXT;
3975        } else {
3976            action = SendButtonTool.getAction(getActivity(), c, text, binding.textinputSubject.getText().toString());
3977        }
3978        if (c.getAccount().getStatus() == Account.State.ONLINE) {
3979            if (activity != null
3980                    && activity.xmppConnectionService != null
3981                    && activity.xmppConnectionService.getMessageArchiveService().isCatchingUp(c)) {
3982                status = Presence.Status.OFFLINE;
3983            } else if (c.getMode() == Conversation.MODE_SINGLE) {
3984                status = c.getContact().getShownStatus();
3985            } else {
3986                status =
3987                        c.getMucOptions().online()
3988                                ? Presence.Status.ONLINE
3989                                : Presence.Status.OFFLINE;
3990            }
3991        } else {
3992            status = Presence.Status.OFFLINE;
3993        }
3994        this.binding.textSendButton.setTag(action);
3995        this.binding.textSendButton.setIconTint(ColorStateList.valueOf(SendButtonTool.getSendButtonColor(this.binding.textSendButton, status)));
3996        // TODO send button color
3997        final Activity activity = getActivity();
3998        if (activity != null) {
3999            this.binding.textSendButton.setIconResource(
4000                    SendButtonTool.getSendButtonImageResource(action, text.length() > 0 || hasAttachments || (c.getThread() != null && binding.textinputSubject.getText().length() > 0)));
4001        }
4002
4003        ViewGroup.LayoutParams params = binding.threadIdenticonLayout.getLayoutParams();
4004        if (identiconWidth < 0) identiconWidth = params.width;
4005        if (hasAttachments || binding.textinput.getText().toString().replaceFirst("^(\\w|[, ])+:\\s*", "").length() > 0) {
4006            binding.conversationViewPager.setCurrentItem(0);
4007            params.width = conversation.getThread() == null ? 0 : identiconWidth;
4008        } else {
4009            params.width = identiconWidth;
4010        }
4011        if (!canWrite()) params.width = 0;
4012        binding.threadIdenticonLayout.setLayoutParams(params);
4013    }
4014
4015    protected void updateStatusMessages() {
4016        DateSeparator.addAll(this.messageList);
4017        if (showLoadMoreMessages(conversation)) {
4018            this.messageList.add(0, Message.createLoadMoreMessage(conversation));
4019        }
4020        if (conversation.getMode() == Conversation.MODE_SINGLE) {
4021            ChatState state = conversation.getIncomingChatState();
4022            if (state == ChatState.COMPOSING) {
4023                this.messageList.add(
4024                        Message.createStatusMessage(
4025                                conversation,
4026                                getString(R.string.contact_is_typing, conversation.getName())));
4027            } else if (state == ChatState.PAUSED) {
4028                this.messageList.add(
4029                        Message.createStatusMessage(
4030                                conversation,
4031                                getString(
4032                                        R.string.contact_has_stopped_typing,
4033                                        conversation.getName())));
4034            } else {
4035                for (int i = this.messageList.size() - 1; i >= 0; --i) {
4036                    final Message message = this.messageList.get(i);
4037                    if (message.getType() != Message.TYPE_STATUS) {
4038                        if (message.getStatus() == Message.STATUS_RECEIVED) {
4039                            return;
4040                        } else {
4041                            if (message.getStatus() == Message.STATUS_SEND_DISPLAYED) {
4042                                this.messageList.add(
4043                                        i + 1,
4044                                        Message.createStatusMessage(
4045                                                conversation,
4046                                                getString(
4047                                                        R.string.contact_has_read_up_to_this_point,
4048                                                        conversation.getName())));
4049                                return;
4050                            }
4051                        }
4052                    }
4053                }
4054            }
4055        } else {
4056            final MucOptions mucOptions = conversation.getMucOptions();
4057            final List<MucOptions.User> allUsers = mucOptions.getUsers();
4058            final Set<ReadByMarker> addedMarkers = new HashSet<>();
4059            ChatState state = ChatState.COMPOSING;
4060            List<MucOptions.User> users =
4061                    conversation.getMucOptions().getUsersWithChatState(state, 5);
4062            if (users.size() == 0) {
4063                state = ChatState.PAUSED;
4064                users = conversation.getMucOptions().getUsersWithChatState(state, 5);
4065            }
4066            if (mucOptions.isPrivateAndNonAnonymous()) {
4067                for (int i = this.messageList.size() - 1; i >= 0; --i) {
4068                    final Set<ReadByMarker> markersForMessage =
4069                            messageList.get(i).getReadByMarkers();
4070                    final List<MucOptions.User> shownMarkers = new ArrayList<>();
4071                    for (ReadByMarker marker : markersForMessage) {
4072                        if (!ReadByMarker.contains(marker, addedMarkers)) {
4073                            addedMarkers.add(
4074                                    marker); // may be put outside this condition. set should do
4075                                             // dedup anyway
4076                            MucOptions.User user = mucOptions.findUser(marker);
4077                            if (user != null && !users.contains(user)) {
4078                                shownMarkers.add(user);
4079                            }
4080                        }
4081                    }
4082                    final ReadByMarker markerForSender = ReadByMarker.from(messageList.get(i));
4083                    final Message statusMessage;
4084                    final int size = shownMarkers.size();
4085                    if (size > 1) {
4086                        final String body;
4087                        if (size <= 4) {
4088                            body =
4089                                    getString(
4090                                            R.string.contacts_have_read_up_to_this_point,
4091                                            UIHelper.concatNames(shownMarkers));
4092                        } else if (ReadByMarker.allUsersRepresented(
4093                                allUsers, markersForMessage, markerForSender)) {
4094                            body = getString(R.string.everyone_has_read_up_to_this_point);
4095                        } else {
4096                            body =
4097                                    getString(
4098                                            R.string.contacts_and_n_more_have_read_up_to_this_point,
4099                                            UIHelper.concatNames(shownMarkers, 3),
4100                                            size - 3);
4101                        }
4102                        statusMessage = Message.createStatusMessage(conversation, body);
4103                        statusMessage.setCounterparts(shownMarkers);
4104                    } else if (size == 1) {
4105                        statusMessage =
4106                                Message.createStatusMessage(
4107                                        conversation,
4108                                        getString(
4109                                                R.string.contact_has_read_up_to_this_point,
4110                                                UIHelper.getDisplayName(shownMarkers.get(0))));
4111                        statusMessage.setCounterpart(shownMarkers.get(0).getFullJid());
4112                        statusMessage.setTrueCounterpart(shownMarkers.get(0).getRealJid());
4113                    } else {
4114                        statusMessage = null;
4115                    }
4116                    if (statusMessage != null) {
4117                        this.messageList.add(i + 1, statusMessage);
4118                    }
4119                    addedMarkers.add(markerForSender);
4120                    if (ReadByMarker.allUsersRepresented(allUsers, addedMarkers)) {
4121                        break;
4122                    }
4123                }
4124            }
4125            if (users.size() > 0) {
4126                Message statusMessage;
4127                if (users.size() == 1) {
4128                    MucOptions.User user = users.get(0);
4129                    int id =
4130                            state == ChatState.COMPOSING
4131                                    ? R.string.contact_is_typing
4132                                    : R.string.contact_has_stopped_typing;
4133                    statusMessage =
4134                            Message.createStatusMessage(
4135                                    conversation, getString(id, UIHelper.getDisplayName(user)));
4136                    statusMessage.setTrueCounterpart(user.getRealJid());
4137                    statusMessage.setCounterpart(user.getFullJid());
4138                } else {
4139                    int id =
4140                            state == ChatState.COMPOSING
4141                                    ? R.string.contacts_are_typing
4142                                    : R.string.contacts_have_stopped_typing;
4143                    statusMessage =
4144                            Message.createStatusMessage(
4145                                    conversation, getString(id, UIHelper.concatNames(users)));
4146                    statusMessage.setCounterparts(users);
4147                }
4148                this.messageList.add(statusMessage);
4149            }
4150        }
4151    }
4152
4153    private void stopScrolling() {
4154        long now = SystemClock.uptimeMillis();
4155        MotionEvent cancel = MotionEvent.obtain(now, now, MotionEvent.ACTION_CANCEL, 0, 0, 0);
4156        binding.messagesView.dispatchTouchEvent(cancel);
4157    }
4158
4159    private boolean showLoadMoreMessages(final Conversation c) {
4160        if (activity == null || activity.xmppConnectionService == null) {
4161            return false;
4162        }
4163        final boolean mam = hasMamSupport(c) && !c.getContact().isBlocked();
4164        final MessageArchiveService service =
4165                activity.xmppConnectionService.getMessageArchiveService();
4166        return mam
4167                && (c.getLastClearHistory().getTimestamp() != 0
4168                        || (c.countMessages() == 0
4169                                && c.messagesLoaded.get()
4170                                && c.hasMessagesLeftOnServer()
4171                                && !service.queryInProgress(c)));
4172    }
4173
4174    private boolean hasMamSupport(final Conversation c) {
4175        if (c.getMode() == Conversation.MODE_SINGLE) {
4176            final XmppConnection connection = c.getAccount().getXmppConnection();
4177            return connection != null && connection.getFeatures().mam();
4178        } else {
4179            return c.getMucOptions().mamSupport();
4180        }
4181    }
4182
4183    protected void showSnackbar(
4184            final int message, final int action, final OnClickListener clickListener) {
4185        showSnackbar(message, action, clickListener, null);
4186    }
4187
4188    protected void showSnackbar(
4189            final int message,
4190            final int action,
4191            final OnClickListener clickListener,
4192            final View.OnLongClickListener longClickListener) {
4193        this.binding.snackbar.setVisibility(View.VISIBLE);
4194        this.binding.snackbar.setOnClickListener(null);
4195        this.binding.snackbarMessage.setText(message);
4196        this.binding.snackbarMessage.setOnClickListener(null);
4197        this.binding.snackbarAction.setVisibility(clickListener == null ? View.GONE : View.VISIBLE);
4198        if (action != 0) {
4199            this.binding.snackbarAction.setText(action);
4200        }
4201        this.binding.snackbarAction.setOnClickListener(clickListener);
4202        this.binding.snackbarAction.setOnLongClickListener(longClickListener);
4203    }
4204
4205    protected void hideSnackbar() {
4206        this.binding.snackbar.setVisibility(View.GONE);
4207    }
4208
4209    protected void sendMessage(Message message) {
4210        new Thread(() -> activity.xmppConnectionService.sendMessage(message)).start();
4211        messageSent();
4212    }
4213
4214    protected void sendPgpMessage(final Message message) {
4215        final XmppConnectionService xmppService = activity.xmppConnectionService;
4216        final Contact contact = message.getConversation().getContact();
4217        if (!activity.hasPgp()) {
4218            activity.showInstallPgpDialog();
4219            return;
4220        }
4221        if (conversation.getAccount().getPgpSignature() == null) {
4222            activity.announcePgp(
4223                    conversation.getAccount(), conversation, null, activity.onOpenPGPKeyPublished);
4224            return;
4225        }
4226        if (!mSendingPgpMessage.compareAndSet(false, true)) {
4227            Log.d(Config.LOGTAG, "sending pgp message already in progress");
4228        }
4229        if (conversation.getMode() == Conversation.MODE_SINGLE) {
4230            if (contact.getPgpKeyId() != 0) {
4231                xmppService
4232                        .getPgpEngine()
4233                        .hasKey(
4234                                contact,
4235                                new UiCallback<Contact>() {
4236
4237                                    @Override
4238                                    public void userInputRequired(
4239                                            PendingIntent pi, Contact contact) {
4240                                        startPendingIntent(pi, REQUEST_ENCRYPT_MESSAGE);
4241                                    }
4242
4243                                    @Override
4244                                    public void success(Contact contact) {
4245                                        encryptTextMessage(message);
4246                                    }
4247
4248                                    @Override
4249                                    public void error(int error, Contact contact) {
4250                                        activity.runOnUiThread(
4251                                                () ->
4252                                                        Toast.makeText(
4253                                                                        activity,
4254                                                                        R.string
4255                                                                                .unable_to_connect_to_keychain,
4256                                                                        Toast.LENGTH_SHORT)
4257                                                                .show());
4258                                        mSendingPgpMessage.set(false);
4259                                    }
4260                                });
4261
4262            } else {
4263                showNoPGPKeyDialog(
4264                        false,
4265                        (dialog, which) -> {
4266                            conversation.setNextEncryption(Message.ENCRYPTION_NONE);
4267                            xmppService.updateConversation(conversation);
4268                            message.setEncryption(Message.ENCRYPTION_NONE);
4269                            xmppService.sendMessage(message);
4270                            messageSent();
4271                        });
4272            }
4273        } else {
4274            if (conversation.getMucOptions().pgpKeysInUse()) {
4275                if (!conversation.getMucOptions().everybodyHasKeys()) {
4276                    Toast warning =
4277                            Toast.makeText(
4278                                    getActivity(), R.string.missing_public_keys, Toast.LENGTH_LONG);
4279                    warning.setGravity(Gravity.CENTER_VERTICAL, 0, 0);
4280                    warning.show();
4281                }
4282                encryptTextMessage(message);
4283            } else {
4284                showNoPGPKeyDialog(
4285                        true,
4286                        (dialog, which) -> {
4287                            conversation.setNextEncryption(Message.ENCRYPTION_NONE);
4288                            message.setEncryption(Message.ENCRYPTION_NONE);
4289                            xmppService.updateConversation(conversation);
4290                            xmppService.sendMessage(message);
4291                            messageSent();
4292                        });
4293            }
4294        }
4295    }
4296
4297    public void encryptTextMessage(Message message) {
4298        activity.xmppConnectionService
4299                .getPgpEngine()
4300                .encrypt(
4301                        message,
4302                        new UiCallback<Message>() {
4303
4304                            @Override
4305                            public void userInputRequired(PendingIntent pi, Message message) {
4306                                startPendingIntent(pi, REQUEST_SEND_MESSAGE);
4307                            }
4308
4309                            @Override
4310                            public void success(Message message) {
4311                                // TODO the following two call can be made before the callback
4312                                getActivity().runOnUiThread(() -> messageSent());
4313                            }
4314
4315                            @Override
4316                            public void error(final int error, Message message) {
4317                                getActivity()
4318                                        .runOnUiThread(
4319                                                () -> {
4320                                                    doneSendingPgpMessage();
4321                                                    Toast.makeText(
4322                                                                    getActivity(),
4323                                                                    error == 0
4324                                                                            ? R.string
4325                                                                                    .unable_to_connect_to_keychain
4326                                                                            : error,
4327                                                                    Toast.LENGTH_SHORT)
4328                                                            .show();
4329                                                });
4330                            }
4331                        });
4332    }
4333
4334    public void showNoPGPKeyDialog(final boolean plural, final DialogInterface.OnClickListener listener) {
4335        final MaterialAlertDialogBuilder builder = new MaterialAlertDialogBuilder(requireActivity());
4336        if (plural) {
4337            builder.setTitle(getString(R.string.no_pgp_keys));
4338            builder.setMessage(getText(R.string.contacts_have_no_pgp_keys));
4339        } else {
4340            builder.setTitle(getString(R.string.no_pgp_key));
4341            builder.setMessage(getText(R.string.contact_has_no_pgp_key));
4342        }
4343        builder.setNegativeButton(getString(R.string.cancel), null);
4344        builder.setPositiveButton(getString(R.string.send_unencrypted), listener);
4345        builder.create().show();
4346    }
4347
4348    public void appendText(String text, final boolean doNotAppend) {
4349        if (text == null) {
4350            return;
4351        }
4352        final Editable editable = this.binding.textinput.getText();
4353        String previous = editable == null ? "" : editable.toString();
4354        if (doNotAppend && !TextUtils.isEmpty(previous)) {
4355            Toast.makeText(getActivity(), R.string.already_drafting_message, Toast.LENGTH_LONG)
4356                    .show();
4357            return;
4358        }
4359        if (UIHelper.isLastLineQuote(previous)) {
4360            text = '\n' + text;
4361        } else if (previous.length() != 0
4362                && !Character.isWhitespace(previous.charAt(previous.length() - 1))) {
4363            text = " " + text;
4364        }
4365        this.binding.textinput.append(text);
4366    }
4367
4368    @Override
4369    public boolean onEnterPressed(final boolean isCtrlPressed) {
4370        if (isCtrlPressed || enterIsSend()) {
4371            sendMessage();
4372            return true;
4373        }
4374        return false;
4375    }
4376
4377    private boolean enterIsSend() {
4378        final SharedPreferences p = PreferenceManager.getDefaultSharedPreferences(getActivity());
4379        return p.getBoolean("enter_is_send", getResources().getBoolean(R.bool.enter_is_send));
4380    }
4381
4382    public boolean onArrowUpCtrlPressed() {
4383        final Message lastEditableMessage =
4384                conversation == null ? null : conversation.getLastEditableMessage();
4385        if (lastEditableMessage != null) {
4386            correctMessage(lastEditableMessage);
4387            return true;
4388        } else {
4389            Toast.makeText(getActivity(), R.string.could_not_correct_message, Toast.LENGTH_LONG)
4390                    .show();
4391            return false;
4392        }
4393    }
4394
4395    @Override
4396    public void onTypingStarted() {
4397        final XmppConnectionService service =
4398                activity == null ? null : activity.xmppConnectionService;
4399        if (service == null) {
4400            return;
4401        }
4402        final Account.State status = conversation.getAccount().getStatus();
4403        if (status == Account.State.ONLINE
4404                && conversation.setOutgoingChatState(ChatState.COMPOSING)) {
4405            service.sendChatState(conversation);
4406        }
4407        runOnUiThread(this::updateSendButton);
4408    }
4409
4410    @Override
4411    public void onTypingStopped() {
4412        final XmppConnectionService service =
4413                activity == null ? null : activity.xmppConnectionService;
4414        if (service == null) {
4415            return;
4416        }
4417        final Account.State status = conversation.getAccount().getStatus();
4418        if (status == Account.State.ONLINE && conversation.setOutgoingChatState(ChatState.PAUSED)) {
4419            service.sendChatState(conversation);
4420        }
4421    }
4422
4423    @Override
4424    public void onTextDeleted() {
4425        final XmppConnectionService service =
4426                activity == null ? null : activity.xmppConnectionService;
4427        if (service == null) {
4428            return;
4429        }
4430        final Account.State status = conversation.getAccount().getStatus();
4431        if (status == Account.State.ONLINE
4432                && conversation.setOutgoingChatState(Config.DEFAULT_CHAT_STATE)) {
4433            service.sendChatState(conversation);
4434        }
4435        if (storeNextMessage()) {
4436            runOnUiThread(
4437                    () -> {
4438                        if (activity == null) {
4439                            return;
4440                        }
4441                        activity.onConversationsListItemUpdated();
4442                    });
4443        }
4444        runOnUiThread(this::updateSendButton);
4445    }
4446
4447    @Override
4448    public void onTextChanged() {
4449        if (conversation != null && conversation.getCorrectingMessage() != null) {
4450            runOnUiThread(this::updateSendButton);
4451        }
4452    }
4453
4454    @Override
4455    public boolean onTabPressed(boolean repeated) {
4456        if (conversation == null || conversation.getMode() == Conversation.MODE_SINGLE) {
4457            return false;
4458        }
4459        if (repeated) {
4460            completionIndex++;
4461        } else {
4462            lastCompletionLength = 0;
4463            completionIndex = 0;
4464            final String content = this.binding.textinput.getText().toString();
4465            lastCompletionCursor = this.binding.textinput.getSelectionEnd();
4466            int start =
4467                    lastCompletionCursor > 0
4468                            ? content.lastIndexOf(" ", lastCompletionCursor - 1) + 1
4469                            : 0;
4470            firstWord = start == 0;
4471            incomplete = content.substring(start, lastCompletionCursor);
4472        }
4473        List<String> completions = new ArrayList<>();
4474        for (MucOptions.User user : conversation.getMucOptions().getUsers()) {
4475            String name = user.getNick();
4476            if (name != null && name.startsWith(incomplete)) {
4477                completions.add(name + (firstWord ? ": " : " "));
4478            }
4479        }
4480        Collections.sort(completions);
4481        if (completions.size() > completionIndex) {
4482            String completion = completions.get(completionIndex).substring(incomplete.length());
4483            this.binding
4484                    .textinput
4485                    .getEditableText()
4486                    .delete(lastCompletionCursor, lastCompletionCursor + lastCompletionLength);
4487            this.binding.textinput.getEditableText().insert(lastCompletionCursor, completion);
4488            lastCompletionLength = completion.length();
4489        } else {
4490            completionIndex = -1;
4491            this.binding
4492                    .textinput
4493                    .getEditableText()
4494                    .delete(lastCompletionCursor, lastCompletionCursor + lastCompletionLength);
4495            lastCompletionLength = 0;
4496        }
4497        return true;
4498    }
4499
4500    private void startPendingIntent(PendingIntent pendingIntent, int requestCode) {
4501        try {
4502            getActivity()
4503                    .startIntentSenderForResult(
4504                            pendingIntent.getIntentSender(), requestCode, null, 0, 0, 0, Compatibility.pgpStartIntentSenderOptions());
4505        } catch (final SendIntentException ignored) {
4506        }
4507    }
4508
4509    @Override
4510    public void onBackendConnected() {
4511        Log.d(Config.LOGTAG, "ConversationFragment.onBackendConnected()");
4512        setupEmojiSearch();
4513        String uuid = pendingConversationsUuid.pop();
4514        if (uuid != null) {
4515            if (!findAndReInitByUuidOrArchive(uuid)) {
4516                return;
4517            }
4518        } else {
4519            if (!activity.xmppConnectionService.isConversationStillOpen(conversation)) {
4520                clearPending();
4521                activity.onConversationArchived(conversation);
4522                return;
4523            }
4524        }
4525        ActivityResult activityResult = postponedActivityResult.pop();
4526        if (activityResult != null) {
4527            handleActivityResult(activityResult);
4528        }
4529        clearPending();
4530    }
4531
4532    private boolean findAndReInitByUuidOrArchive(@NonNull final String uuid) {
4533        Conversation conversation = activity.xmppConnectionService.findConversationByUuid(uuid);
4534        if (conversation == null) {
4535            clearPending();
4536            activity.onConversationArchived(null);
4537            return false;
4538        }
4539        reInit(conversation);
4540        ScrollState scrollState = pendingScrollState.pop();
4541        String lastMessageUuid = pendingLastMessageUuid.pop();
4542        List<Attachment> attachments = pendingMediaPreviews.pop();
4543        if (scrollState != null) {
4544            setScrollPosition(scrollState, lastMessageUuid);
4545        }
4546        if (attachments != null && attachments.size() > 0) {
4547            Log.d(Config.LOGTAG, "had attachments on restore");
4548            mediaPreviewAdapter.addMediaPreviews(attachments);
4549            toggleInputMethod();
4550        }
4551        return true;
4552    }
4553
4554    private void clearPending() {
4555        if (postponedActivityResult.clear()) {
4556            Log.e(Config.LOGTAG, "cleared pending intent with unhandled result left");
4557            if (pendingTakePhotoUri.clear()) {
4558                Log.e(Config.LOGTAG, "cleared pending photo uri");
4559            }
4560        }
4561        if (pendingScrollState.clear()) {
4562            Log.e(Config.LOGTAG, "cleared scroll state");
4563        }
4564        if (pendingConversationsUuid.clear()) {
4565            Log.e(Config.LOGTAG, "cleared pending conversations uuid");
4566        }
4567        if (pendingMediaPreviews.clear()) {
4568            Log.e(Config.LOGTAG, "cleared pending media previews");
4569        }
4570    }
4571
4572    public Conversation getConversation() {
4573        return conversation;
4574    }
4575
4576    @Override
4577    public void onContactPictureLongClicked(View v, final Message message) {
4578        final String fingerprint;
4579        if (message.getEncryption() == Message.ENCRYPTION_PGP
4580                || message.getEncryption() == Message.ENCRYPTION_DECRYPTED) {
4581            fingerprint = "pgp";
4582        } else {
4583            fingerprint = message.getFingerprint();
4584        }
4585        final PopupMenu popupMenu = new PopupMenu(getActivity(), v);
4586        final Contact contact = message.getContact();
4587        if (message.getStatus() <= Message.STATUS_RECEIVED
4588                && (contact == null || !contact.isSelf())) {
4589            if (message.getConversation().getMode() == Conversation.MODE_MULTI) {
4590                final Jid cp = message.getCounterpart();
4591                if (cp == null || cp.isBareJid()) {
4592                    return;
4593                }
4594                final Jid tcp = message.getTrueCounterpart();
4595                final String occupantId = message.getOccupantId();
4596                final User userByRealJid =
4597                        tcp != null
4598                                ? conversation.getMucOptions().findOrCreateUserByRealJid(tcp, cp, occupantId)
4599                                : null;
4600                final User userByOccupantId =
4601                        occupantId != null
4602                                ? conversation.getMucOptions().findUserByOccupantId(occupantId, cp)
4603                                : null;
4604                final User user =
4605                        userByRealJid != null
4606                                ? userByRealJid
4607                                : (userByOccupantId != null ? userByOccupantId : conversation.getMucOptions().findUserByFullJid(cp));
4608                if (user == null) return;
4609                popupMenu.inflate(R.menu.muc_details_context);
4610                final Menu menu = popupMenu.getMenu();
4611                MucDetailsContextMenuHelper.configureMucDetailsContextMenu(
4612                        activity, menu, conversation, user);
4613                popupMenu.setOnMenuItemClickListener(
4614                        menuItem ->
4615                                MucDetailsContextMenuHelper.onContextItemSelected(
4616                                        menuItem, user, activity, fingerprint));
4617            } else {
4618                popupMenu.inflate(R.menu.one_on_one_context);
4619                popupMenu.setOnMenuItemClickListener(
4620                        item -> {
4621                            switch (item.getItemId()) {
4622                                case R.id.action_contact_details:
4623                                    activity.switchToContactDetails(
4624                                            message.getContact(), fingerprint);
4625                                    break;
4626                                case R.id.action_show_qr_code:
4627                                    activity.showQrCode(
4628                                            "xmpp:"
4629                                                    + message.getContact()
4630                                                            .getJid()
4631                                                            .asBareJid()
4632                                                            .toEscapedString());
4633                                    break;
4634                            }
4635                            return true;
4636                        });
4637            }
4638        } else {
4639            popupMenu.inflate(R.menu.account_context);
4640            final Menu menu = popupMenu.getMenu();
4641            menu.findItem(R.id.action_manage_accounts)
4642                    .setVisible(QuickConversationsService.isConversations());
4643            popupMenu.setOnMenuItemClickListener(
4644                    item -> {
4645                        final XmppActivity activity = this.activity;
4646                        if (activity == null) {
4647                            Log.e(Config.LOGTAG, "Unable to perform action. no context provided");
4648                            return true;
4649                        }
4650                        switch (item.getItemId()) {
4651                            case R.id.action_show_qr_code:
4652                                activity.showQrCode(conversation.getAccount().getShareableUri());
4653                                break;
4654                            case R.id.action_account_details:
4655                                activity.switchToAccount(
4656                                        message.getConversation().getAccount(), fingerprint);
4657                                break;
4658                            case R.id.action_manage_accounts:
4659                                AccountUtils.launchManageAccounts(activity);
4660                                break;
4661                        }
4662                        return true;
4663                    });
4664        }
4665        popupMenu.show();
4666    }
4667
4668    @Override
4669    public void onContactPictureClicked(Message message) {
4670        setThread(message.getThread());
4671        if (message.isPrivateMessage()) {
4672            privateMessageWith(message.getCounterpart());
4673            return;
4674        }
4675        forkNullThread(message);
4676        conversation.setUserSelectedThread(true);
4677
4678        final boolean received = message.getStatus() <= Message.STATUS_RECEIVED;
4679        if (received) {
4680            if (message.getConversation() instanceof Conversation
4681                    && message.getConversation().getMode() == Conversation.MODE_MULTI) {
4682                Jid tcp = message.getTrueCounterpart();
4683                Jid user = message.getCounterpart();
4684                if (user != null && !user.isBareJid()) {
4685                    final MucOptions mucOptions =
4686                            ((Conversation) message.getConversation()).getMucOptions();
4687                    if (mucOptions.participating()
4688                            || ((Conversation) message.getConversation()).getNextCounterpart()
4689                                    != null) {
4690                        MucOptions.User mucUser = mucOptions.findUserByFullJid(user);
4691                        MucOptions.User tcpMucUser = mucOptions.findUserByRealJid(tcp == null ? null : tcp.asBareJid());
4692                        if (mucUser == null && tcpMucUser == null) {
4693                            Toast.makeText(
4694                                            getActivity(),
4695                                            activity.getString(
4696                                                    R.string.user_has_left_conference,
4697                                                    user.getResource()),
4698                                            Toast.LENGTH_SHORT)
4699                                    .show();
4700                        }
4701                        highlightInConference(mucUser == null || mucUser.getNick() == null ? (tcpMucUser == null || tcpMucUser.getNick() == null ? user.getResource() : tcpMucUser.getNick()) : mucUser.getNick());
4702                    } else {
4703                        Toast.makeText(
4704                                        getActivity(),
4705                                        R.string.you_are_not_participating,
4706                                        Toast.LENGTH_SHORT)
4707                                .show();
4708                    }
4709                }
4710            }
4711        }
4712    }
4713
4714    private Activity requireActivity() {
4715        Activity activity = getActivity();
4716        if (activity == null) activity = this.activity;
4717        if (activity == null) {
4718            throw new IllegalStateException("Activity not attached");
4719        }
4720        return activity;
4721    }
4722}