ConversationFragment.java

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