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.ImmutableSet;
 101import com.google.common.collect.Lists;
 102import com.google.common.collect.Ordering;
 103
 104import com.otaliastudios.autocomplete.Autocomplete;
 105import com.otaliastudios.autocomplete.AutocompleteCallback;
 106import com.otaliastudios.autocomplete.AutocompletePresenter;
 107import com.otaliastudios.autocomplete.CharPolicy;
 108import com.otaliastudios.autocomplete.RecyclerViewPresenter;
 109
 110import org.jetbrains.annotations.NotNull;
 111
 112import io.ipfs.cid.Cid;
 113
 114import java.io.File;
 115import java.net.URISyntaxException;
 116import java.util.AbstractMap;
 117import java.util.ArrayList;
 118import java.util.Arrays;
 119import java.util.Collection;
 120import java.util.Collections;
 121import java.util.HashSet;
 122import java.util.Iterator;
 123import java.util.List;
 124import java.util.Locale;
 125import java.util.Map;
 126import java.util.Set;
 127import java.util.UUID;
 128import java.util.concurrent.atomic.AtomicBoolean;
 129import java.util.regex.Matcher;
 130import java.util.regex.Pattern;
 131import java.util.stream.Collectors;
 132
 133import eu.siacs.conversations.Config;
 134import eu.siacs.conversations.R;
 135import eu.siacs.conversations.crypto.axolotl.AxolotlService;
 136import eu.siacs.conversations.crypto.axolotl.FingerprintStatus;
 137import eu.siacs.conversations.databinding.FragmentConversationBinding;
 138import eu.siacs.conversations.entities.Account;
 139import eu.siacs.conversations.entities.Blockable;
 140import eu.siacs.conversations.entities.Contact;
 141import eu.siacs.conversations.entities.Conversation;
 142import eu.siacs.conversations.entities.Conversational;
 143import eu.siacs.conversations.entities.DownloadableFile;
 144import eu.siacs.conversations.entities.Message;
 145import eu.siacs.conversations.entities.MucOptions;
 146import eu.siacs.conversations.entities.MucOptions.User;
 147import eu.siacs.conversations.entities.Presence;
 148import eu.siacs.conversations.entities.Presences;
 149import eu.siacs.conversations.entities.ReadByMarker;
 150import eu.siacs.conversations.entities.Transferable;
 151import eu.siacs.conversations.entities.TransferablePlaceholder;
 152import eu.siacs.conversations.http.HttpDownloadConnection;
 153import eu.siacs.conversations.persistance.FileBackend;
 154import eu.siacs.conversations.services.CallIntegrationConnectionService;
 155import eu.siacs.conversations.services.MessageArchiveService;
 156import eu.siacs.conversations.services.QuickConversationsService;
 157import eu.siacs.conversations.services.XmppConnectionService;
 158import eu.siacs.conversations.ui.adapter.CommandAdapter;
 159import eu.siacs.conversations.ui.adapter.MediaPreviewAdapter;
 160import eu.siacs.conversations.ui.adapter.MessageAdapter;
 161import eu.siacs.conversations.ui.adapter.UserAdapter;
 162import eu.siacs.conversations.ui.util.ActivityResult;
 163import eu.siacs.conversations.ui.util.Attachment;
 164import eu.siacs.conversations.ui.util.ConversationMenuConfigurator;
 165import eu.siacs.conversations.ui.util.DateSeparator;
 166import eu.siacs.conversations.ui.util.EditMessageActionModeCallback;
 167import eu.siacs.conversations.ui.util.ListViewUtils;
 168import eu.siacs.conversations.ui.util.MenuDoubleTabUtil;
 169import eu.siacs.conversations.ui.util.MucDetailsContextMenuHelper;
 170import eu.siacs.conversations.ui.util.PendingItem;
 171import eu.siacs.conversations.ui.util.PresenceSelector;
 172import eu.siacs.conversations.ui.util.ScrollState;
 173import eu.siacs.conversations.ui.util.SendButtonAction;
 174import eu.siacs.conversations.ui.util.SendButtonTool;
 175import eu.siacs.conversations.ui.util.ShareUtil;
 176import eu.siacs.conversations.ui.util.ViewUtil;
 177import eu.siacs.conversations.ui.widget.EditMessage;
 178import eu.siacs.conversations.utils.AccountUtils;
 179import eu.siacs.conversations.utils.Compatibility;
 180import eu.siacs.conversations.utils.Emoticons;
 181import eu.siacs.conversations.utils.GeoHelper;
 182import eu.siacs.conversations.utils.MessageUtils;
 183import eu.siacs.conversations.utils.MimeUtils;
 184import eu.siacs.conversations.utils.NickValidityChecker;
 185import eu.siacs.conversations.utils.PermissionUtils;
 186import eu.siacs.conversations.utils.QuickLoader;
 187import eu.siacs.conversations.utils.StylingHelper;
 188import eu.siacs.conversations.utils.TimeFrameUtils;
 189import eu.siacs.conversations.utils.UIHelper;
 190import eu.siacs.conversations.xml.Element;
 191import eu.siacs.conversations.xml.Namespace;
 192import eu.siacs.conversations.xmpp.Jid;
 193import eu.siacs.conversations.xmpp.XmppConnection;
 194import eu.siacs.conversations.xmpp.chatstate.ChatState;
 195import eu.siacs.conversations.xmpp.jingle.AbstractJingleConnection;
 196import eu.siacs.conversations.xmpp.jingle.JingleConnectionManager;
 197import eu.siacs.conversations.xmpp.jingle.JingleFileTransferConnection;
 198import eu.siacs.conversations.xmpp.jingle.Media;
 199import eu.siacs.conversations.xmpp.jingle.OngoingRtpSession;
 200import eu.siacs.conversations.xmpp.jingle.RtpCapability;
 201
 202import im.conversations.android.xmpp.model.stanza.Iq;
 203
 204import org.jetbrains.annotations.NotNull;
 205
 206import java.util.ArrayList;
 207import java.util.Arrays;
 208import java.util.Collection;
 209import java.util.Collections;
 210import java.util.HashSet;
 211import java.util.Iterator;
 212import java.util.List;
 213import java.util.Set;
 214import java.util.UUID;
 215import java.util.concurrent.atomic.AtomicBoolean;
 216import eu.siacs.conversations.xmpp.jingle.RtpEndUserState;
 217
 218public class ConversationFragment extends XmppFragment
 219        implements EditMessage.KeyboardListener,
 220                MessageAdapter.OnContactPictureLongClicked,
 221                MessageAdapter.OnContactPictureClicked,
 222                MessageAdapter.OnInlineImageLongClicked {
 223
 224    public static final int REQUEST_SEND_MESSAGE = 0x0201;
 225    public static final int REQUEST_DECRYPT_PGP = 0x0202;
 226    public static final int REQUEST_ENCRYPT_MESSAGE = 0x0207;
 227    public static final int REQUEST_TRUST_KEYS_TEXT = 0x0208;
 228    public static final int REQUEST_TRUST_KEYS_ATTACHMENTS = 0x0209;
 229    public static final int REQUEST_START_DOWNLOAD = 0x0210;
 230    public static final int REQUEST_ADD_EDITOR_CONTENT = 0x0211;
 231    public static final int REQUEST_COMMIT_ATTACHMENTS = 0x0212;
 232    public static final int REQUEST_START_AUDIO_CALL = 0x213;
 233    public static final int REQUEST_START_VIDEO_CALL = 0x214;
 234    public static final int REQUEST_SAVE_STICKER = 0x215;
 235    public static final int REQUEST_WEBXDC_STORE = 0x216;
 236    public static final int ATTACHMENT_CHOICE_CHOOSE_IMAGE = 0x0301;
 237    public static final int ATTACHMENT_CHOICE_TAKE_PHOTO = 0x0302;
 238    public static final int ATTACHMENT_CHOICE_CHOOSE_FILE = 0x0303;
 239    public static final int ATTACHMENT_CHOICE_RECORD_VOICE = 0x0304;
 240    public static final int ATTACHMENT_CHOICE_LOCATION = 0x0305;
 241    public static final int ATTACHMENT_CHOICE_INVALID = 0x0306;
 242    public static final int ATTACHMENT_CHOICE_RECORD_VIDEO = 0x0307;
 243
 244    public static final String RECENTLY_USED_QUICK_ACTION = "recently_used_quick_action";
 245    public static final String STATE_CONVERSATION_UUID =
 246            ConversationFragment.class.getName() + ".uuid";
 247    public static final String STATE_SCROLL_POSITION =
 248            ConversationFragment.class.getName() + ".scroll_position";
 249    public static final String STATE_PHOTO_URI =
 250            ConversationFragment.class.getName() + ".media_previews";
 251    public static final String STATE_MEDIA_PREVIEWS =
 252            ConversationFragment.class.getName() + ".take_photo_uri";
 253    private static final String STATE_LAST_MESSAGE_UUID = "state_last_message_uuid";
 254
 255    private final List<Message> messageList = new ArrayList<>();
 256    private final PendingItem<ActivityResult> postponedActivityResult = new PendingItem<>();
 257    private final PendingItem<String> pendingConversationsUuid = new PendingItem<>();
 258    private final PendingItem<ArrayList<Attachment>> pendingMediaPreviews = new PendingItem<>();
 259    private final PendingItem<Bundle> pendingExtras = new PendingItem<>();
 260    private final PendingItem<Uri> pendingTakePhotoUri = new PendingItem<>();
 261    private final PendingItem<ScrollState> pendingScrollState = new PendingItem<>();
 262    private final PendingItem<String> pendingLastMessageUuid = new PendingItem<>();
 263    private final PendingItem<Message> pendingMessage = new PendingItem<>();
 264    public Uri mPendingEditorContent = null;
 265    protected MessageAdapter messageListAdapter;
 266    protected CommandAdapter commandAdapter;
 267    private MediaPreviewAdapter mediaPreviewAdapter;
 268    private String lastMessageUuid = null;
 269    private Conversation conversation;
 270    private FragmentConversationBinding binding;
 271    private Toast messageLoaderToast;
 272    private ConversationsActivity activity;
 273    private boolean reInitRequiredOnStart = true;
 274    private int identiconWidth = -1;
 275    private File savingAsSticker = null;
 276    private EmojiSearch emojiSearch = null;
 277    private final OnClickListener clickToMuc =
 278            new OnClickListener() {
 279
 280                @Override
 281                public void onClick(View v) {
 282                    ConferenceDetailsActivity.open(getActivity(), conversation);
 283                }
 284            };
 285    private final OnClickListener leaveMuc =
 286            new OnClickListener() {
 287
 288                @Override
 289                public void onClick(View v) {
 290                    activity.xmppConnectionService.archiveConversation(conversation);
 291                }
 292            };
 293    private final OnClickListener joinMuc =
 294            new OnClickListener() {
 295
 296                @Override
 297                public void onClick(View v) {
 298                    activity.xmppConnectionService.joinMuc(conversation);
 299                }
 300            };
 301
 302    private final OnClickListener acceptJoin =
 303            new OnClickListener() {
 304                @Override
 305                public void onClick(View v) {
 306                    conversation.setAttribute("accept_non_anonymous", true);
 307                    activity.xmppConnectionService.updateConversation(conversation);
 308                    activity.xmppConnectionService.joinMuc(conversation);
 309                }
 310            };
 311
 312    private final OnClickListener enterPassword =
 313            new OnClickListener() {
 314
 315                @Override
 316                public void onClick(View v) {
 317                    MucOptions muc = conversation.getMucOptions();
 318                    String password = muc.getPassword();
 319                    if (password == null) {
 320                        password = "";
 321                    }
 322                    activity.quickPasswordEdit(
 323                            password,
 324                            value -> {
 325                                activity.xmppConnectionService.providePasswordForMuc(
 326                                        conversation, value);
 327                                return null;
 328                            });
 329                }
 330            };
 331    private final OnScrollListener mOnScrollListener =
 332            new OnScrollListener() {
 333
 334                @Override
 335                public void onScrollStateChanged(AbsListView view, int scrollState) {
 336                    if (AbsListView.OnScrollListener.SCROLL_STATE_IDLE == scrollState) {
 337                        updateThreadFromLastMessage();
 338                        fireReadEvent();
 339                    }
 340                }
 341
 342                @Override
 343                public void onScroll(
 344                        final AbsListView view,
 345                        int firstVisibleItem,
 346                        int visibleItemCount,
 347                        int totalItemCount) {
 348                    toggleScrollDownButton(view);
 349                    synchronized (ConversationFragment.this.messageList) {
 350                        if (firstVisibleItem < 5
 351                                && conversation != null
 352                                && conversation.messagesLoaded.compareAndSet(true, false)
 353                                && messageList.size() > 0) {
 354                            long timestamp = conversation.loadMoreTimestamp();
 355                            activity.xmppConnectionService.loadMoreMessages(
 356                                    conversation,
 357                                    timestamp,
 358                                    new XmppConnectionService.OnMoreMessagesLoaded() {
 359                                        @Override
 360                                        public void onMoreMessagesLoaded(
 361                                                final int c, final Conversation conversation) {
 362                                            if (ConversationFragment.this.conversation
 363                                                    != conversation) {
 364                                                conversation.messagesLoaded.set(true);
 365                                                return;
 366                                            }
 367                                            runOnUiThread(
 368                                                    () -> {
 369                                                        synchronized (messageList) {
 370                                                            final int oldPosition =
 371                                                                    binding.messagesView
 372                                                                            .getFirstVisiblePosition();
 373                                                            Message message = null;
 374                                                            int childPos;
 375                                                            for (childPos = 0;
 376                                                                    childPos + oldPosition
 377                                                                            < messageList.size();
 378                                                                    ++childPos) {
 379                                                                message =
 380                                                                        messageList.get(
 381                                                                                oldPosition
 382                                                                                        + childPos);
 383                                                                if (message.getType()
 384                                                                        != Message.TYPE_STATUS) {
 385                                                                    break;
 386                                                                }
 387                                                            }
 388                                                            final String uuid =
 389                                                                    message != null
 390                                                                            ? message.getUuid()
 391                                                                            : null;
 392                                                            View v =
 393                                                                    binding.messagesView.getChildAt(
 394                                                                            childPos);
 395                                                            final int pxOffset =
 396                                                                    (v == null) ? 0 : v.getTop();
 397                                                            ConversationFragment.this.conversation
 398                                                                    .populateWithMessages(
 399                                                                            ConversationFragment
 400                                                                                    .this
 401                                                                                    .messageList, activity == null ? null : activity.xmppConnectionService);
 402                                                            try {
 403                                                                updateStatusMessages();
 404                                                            } catch (IllegalStateException e) {
 405                                                                Log.d(
 406                                                                        Config.LOGTAG,
 407                                                                        "caught illegal state exception while updating status messages");
 408                                                            }
 409                                                            messageListAdapter
 410                                                                    .notifyDataSetChanged();
 411                                                            int pos =
 412                                                                    Math.max(
 413                                                                            getIndexOf(
 414                                                                                    uuid,
 415                                                                                    messageList),
 416                                                                            0);
 417                                                            binding.messagesView
 418                                                                    .setSelectionFromTop(
 419                                                                            pos, pxOffset);
 420                                                            if (messageLoaderToast != null) {
 421                                                                messageLoaderToast.cancel();
 422                                                            }
 423                                                            conversation.messagesLoaded.set(true);
 424                                                        }
 425                                                    });
 426                                        }
 427
 428                                        @Override
 429                                        public void informUser(final int resId) {
 430
 431                                            runOnUiThread(
 432                                                    () -> {
 433                                                        if (messageLoaderToast != null) {
 434                                                            messageLoaderToast.cancel();
 435                                                        }
 436                                                        if (ConversationFragment.this.conversation
 437                                                                != conversation) {
 438                                                            return;
 439                                                        }
 440                                                        messageLoaderToast =
 441                                                                Toast.makeText(
 442                                                                        view.getContext(),
 443                                                                        resId,
 444                                                                        Toast.LENGTH_LONG);
 445                                                        messageLoaderToast.show();
 446                                                    });
 447                                        }
 448                                    });
 449                        }
 450                    }
 451                }
 452            };
 453    private final EditMessage.OnCommitContentListener mEditorContentListener =
 454            new EditMessage.OnCommitContentListener() {
 455                @Override
 456                public boolean onCommitContent(
 457                        InputContentInfoCompat inputContentInfo,
 458                        int flags,
 459                        Bundle opts,
 460                        String[] contentMimeTypes) {
 461                    // try to get permission to read the image, if applicable
 462                    if ((flags & InputConnectionCompat.INPUT_CONTENT_GRANT_READ_URI_PERMISSION)
 463                            != 0) {
 464                        try {
 465                            inputContentInfo.requestPermission();
 466                        } catch (Exception e) {
 467                            Log.e(
 468                                    Config.LOGTAG,
 469                                    "InputContentInfoCompat#requestPermission() failed.",
 470                                    e);
 471                            Toast.makeText(
 472                                            getActivity(),
 473                                            activity.getString(
 474                                                    R.string.no_permission_to_access_x,
 475                                                    inputContentInfo.getDescription()),
 476                                            Toast.LENGTH_LONG)
 477                                    .show();
 478                            return false;
 479                        }
 480                    }
 481                    if (hasPermissions(
 482                            REQUEST_ADD_EDITOR_CONTENT,
 483                            Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
 484                        attachEditorContentToConversation(inputContentInfo.getContentUri());
 485                    } else {
 486                        mPendingEditorContent = inputContentInfo.getContentUri();
 487                    }
 488                    return true;
 489                }
 490            };
 491    private Message selectedMessage;
 492    private final OnClickListener mEnableAccountListener =
 493            new OnClickListener() {
 494                @Override
 495                public void onClick(View v) {
 496                    final Account account = conversation == null ? null : conversation.getAccount();
 497                    if (account != null) {
 498                        account.setOption(Account.OPTION_SOFT_DISABLED, false);
 499                        account.setOption(Account.OPTION_DISABLED, false);
 500                        activity.xmppConnectionService.updateAccount(account);
 501                    }
 502                }
 503            };
 504    private final OnClickListener mUnblockClickListener =
 505            new OnClickListener() {
 506                @Override
 507                public void onClick(final View v) {
 508                    v.post(() -> v.setVisibility(View.INVISIBLE));
 509                    if (conversation.isDomainBlocked()) {
 510                        BlockContactDialog.show(activity, conversation);
 511                    } else {
 512                        unblockConversation(conversation);
 513                    }
 514                }
 515            };
 516    private final OnClickListener mBlockClickListener = this::showBlockSubmenu;
 517    private final OnClickListener mAddBackClickListener =
 518            new OnClickListener() {
 519
 520                @Override
 521                public void onClick(View v) {
 522                    final Contact contact = conversation == null ? null : conversation.getContact();
 523                    if (contact != null) {
 524                        activity.xmppConnectionService.createContact(contact, true);
 525                        activity.switchToContactDetails(contact);
 526                    }
 527                }
 528            };
 529    private final View.OnLongClickListener mLongPressBlockListener = this::showBlockSubmenu;
 530    private final OnClickListener mAllowPresenceSubscription =
 531            new OnClickListener() {
 532                @Override
 533                public void onClick(View v) {
 534                    final Contact contact = conversation == null ? null : conversation.getContact();
 535                    if (contact != null) {
 536                        activity.xmppConnectionService.sendPresencePacket(
 537                                contact.getAccount(),
 538                                activity.xmppConnectionService
 539                                        .getPresenceGenerator()
 540                                        .sendPresenceUpdatesTo(contact));
 541                        hideSnackbar();
 542                    }
 543                }
 544            };
 545    protected OnClickListener clickToDecryptListener =
 546            new OnClickListener() {
 547
 548                @Override
 549                public void onClick(View v) {
 550                    PendingIntent pendingIntent =
 551                            conversation.getAccount().getPgpDecryptionService().getPendingIntent();
 552                    if (pendingIntent != null) {
 553                        try {
 554                            getActivity()
 555                                    .startIntentSenderForResult(
 556                                            pendingIntent.getIntentSender(),
 557                                            REQUEST_DECRYPT_PGP,
 558                                            null,
 559                                            0,
 560                                            0,
 561                                            0,
 562                                            Compatibility.pgpStartIntentSenderOptions());
 563                        } catch (SendIntentException e) {
 564                            Toast.makeText(
 565                                            getActivity(),
 566                                            R.string.unable_to_connect_to_keychain,
 567                                            Toast.LENGTH_SHORT)
 568                                    .show();
 569                            conversation
 570                                    .getAccount()
 571                                    .getPgpDecryptionService()
 572                                    .continueDecryption(true);
 573                        }
 574                    }
 575                    updateSnackBar(conversation);
 576                }
 577            };
 578    private final AtomicBoolean mSendingPgpMessage = new AtomicBoolean(false);
 579    private final OnEditorActionListener mEditorActionListener =
 580            (v, actionId, event) -> {
 581                if (actionId == EditorInfo.IME_ACTION_SEND) {
 582                    InputMethodManager imm =
 583                            (InputMethodManager)
 584                                    activity.getSystemService(Context.INPUT_METHOD_SERVICE);
 585                    if (imm != null && imm.isFullscreenMode()) {
 586                        imm.hideSoftInputFromWindow(v.getWindowToken(), 0);
 587                    }
 588                    sendMessage();
 589                    return true;
 590                } else {
 591                    return false;
 592                }
 593            };
 594    private final OnClickListener mScrollButtonListener =
 595            new OnClickListener() {
 596
 597                @Override
 598                public void onClick(View v) {
 599                    stopScrolling();
 600                    setSelection(binding.messagesView.getCount() - 1, true);
 601                }
 602            };
 603    private final OnClickListener mSendButtonListener =
 604            new OnClickListener() {
 605
 606                @Override
 607                public void onClick(View v) {
 608                    Object tag = v.getTag();
 609                    if (tag instanceof SendButtonAction) {
 610                        SendButtonAction action = (SendButtonAction) tag;
 611                        switch (action) {
 612                            case TAKE_PHOTO:
 613                            case RECORD_VIDEO:
 614                            case SEND_LOCATION:
 615                            case RECORD_VOICE:
 616                            case CHOOSE_PICTURE:
 617                                attachFile(action.toChoice());
 618                                break;
 619                            case CANCEL:
 620                                if (conversation != null) {
 621                                    conversation.setUserSelectedThread(false);
 622                                    if (conversation.setCorrectingMessage(null)) {
 623                                        binding.textinput.setText("");
 624                                        binding.textinput.append(conversation.getDraftMessage());
 625                                        conversation.setDraftMessage(null);
 626                                    } else if (conversation.getMode() == Conversation.MODE_MULTI) {
 627                                        conversation.setNextCounterpart(null);
 628                                        binding.textinput.setText("");
 629                                    } else {
 630                                        binding.textinput.setText("");
 631                                    }
 632                                    binding.textinputSubject.setText("");
 633                                    binding.textinputSubject.setVisibility(View.GONE);
 634                                    updateChatMsgHint();
 635                                    updateSendButton();
 636                                    updateEditablity();
 637                                }
 638                                break;
 639                            default:
 640                                sendMessage();
 641                        }
 642                    } else {
 643                        sendMessage();
 644                    }
 645                }
 646            };
 647    private OnBackPressedCallback backPressedLeaveSingleThread = new OnBackPressedCallback(false) {
 648        @Override
 649        public void handleOnBackPressed() {
 650            conversation.setLockThread(false);
 651            this.setEnabled(false);
 652            conversation.setUserSelectedThread(false);
 653            setThread(null);
 654            refresh();
 655            updateThreadFromLastMessage();
 656        }
 657    };
 658    private int completionIndex = 0;
 659    private int lastCompletionLength = 0;
 660    private String incomplete;
 661    private int lastCompletionCursor;
 662    private boolean firstWord = false;
 663    private Message mPendingDownloadableMessage;
 664
 665    private static ConversationFragment findConversationFragment(Activity activity) {
 666        Fragment fragment = activity.getFragmentManager().findFragmentById(R.id.main_fragment);
 667        if (fragment instanceof ConversationFragment) {
 668            return (ConversationFragment) fragment;
 669        }
 670        fragment = activity.getFragmentManager().findFragmentById(R.id.secondary_fragment);
 671        if (fragment instanceof ConversationFragment) {
 672            return (ConversationFragment) fragment;
 673        }
 674        return null;
 675    }
 676
 677    public static void startStopPending(Activity activity) {
 678        ConversationFragment fragment = findConversationFragment(activity);
 679        if (fragment != null) {
 680            fragment.messageListAdapter.startStopPending();
 681        }
 682    }
 683
 684    public static void downloadFile(Activity activity, Message message) {
 685        ConversationFragment fragment = findConversationFragment(activity);
 686        if (fragment != null) {
 687            fragment.startDownloadable(message);
 688        }
 689    }
 690
 691    public static void registerPendingMessage(Activity activity, Message message) {
 692        ConversationFragment fragment = findConversationFragment(activity);
 693        if (fragment != null) {
 694            fragment.pendingMessage.push(message);
 695        }
 696    }
 697
 698    public static void openPendingMessage(Activity activity) {
 699        ConversationFragment fragment = findConversationFragment(activity);
 700        if (fragment != null) {
 701            Message message = fragment.pendingMessage.pop();
 702            if (message != null) {
 703                fragment.messageListAdapter.openDownloadable(message);
 704            }
 705        }
 706    }
 707
 708    public static Conversation getConversation(Activity activity) {
 709        return getConversation(activity, R.id.secondary_fragment);
 710    }
 711
 712    private static Conversation getConversation(Activity activity, @IdRes int res) {
 713        final Fragment fragment = activity.getFragmentManager().findFragmentById(res);
 714        if (fragment instanceof ConversationFragment) {
 715            return ((ConversationFragment) fragment).getConversation();
 716        } else {
 717            return null;
 718        }
 719    }
 720
 721    public static ConversationFragment get(Activity activity) {
 722        FragmentManager fragmentManager = activity.getFragmentManager();
 723        Fragment fragment = fragmentManager.findFragmentById(R.id.main_fragment);
 724        if (fragment instanceof ConversationFragment) {
 725            return (ConversationFragment) fragment;
 726        } else {
 727            fragment = fragmentManager.findFragmentById(R.id.secondary_fragment);
 728            return fragment instanceof ConversationFragment
 729                    ? (ConversationFragment) fragment
 730                    : null;
 731        }
 732    }
 733
 734    public static Conversation getConversationReliable(Activity activity) {
 735        final Conversation conversation = getConversation(activity, R.id.secondary_fragment);
 736        if (conversation != null) {
 737            return conversation;
 738        }
 739        return getConversation(activity, R.id.main_fragment);
 740    }
 741
 742    private static boolean scrolledToBottom(AbsListView listView) {
 743        final int count = listView.getCount();
 744        if (count == 0) {
 745            return true;
 746        } else if (listView.getLastVisiblePosition() == count - 1) {
 747            final View lastChild = listView.getChildAt(listView.getChildCount() - 1);
 748            return lastChild != null && lastChild.getBottom() <= listView.getHeight();
 749        } else {
 750            return false;
 751        }
 752    }
 753
 754    private void toggleScrollDownButton() {
 755        toggleScrollDownButton(binding.messagesView);
 756    }
 757
 758    private void toggleScrollDownButton(AbsListView listView) {
 759        if (conversation == null) {
 760            return;
 761        }
 762        if (scrolledToBottom(listView)) {
 763            lastMessageUuid = null;
 764            hideUnreadMessagesCount();
 765        } else {
 766            binding.scrollToBottomButton.setEnabled(true);
 767            binding.scrollToBottomButton.show();
 768            if (lastMessageUuid == null) {
 769                lastMessageUuid = conversation.getLatestMessage().getUuid();
 770            }
 771            if (conversation.getReceivedMessagesCountSinceUuid(lastMessageUuid) > 0) {
 772                binding.unreadCountCustomView.setVisibility(View.VISIBLE);
 773            }
 774        }
 775    }
 776
 777    private int getIndexOf(String uuid, List<Message> messages) {
 778        if (uuid == null) {
 779            return messages.size() - 1;
 780        }
 781        for (int i = 0; i < messages.size(); ++i) {
 782            if (uuid.equals(messages.get(i).getUuid())) {
 783                return i;
 784            } else {
 785                Message next = messages.get(i);
 786                while (next != null && next.wasMergedIntoPrevious(activity == null ? null : activity.xmppConnectionService)) {
 787                    if (uuid.equals(next.getUuid())) {
 788                        return i;
 789                    }
 790                    next = next.next();
 791                }
 792            }
 793        }
 794        return -1;
 795    }
 796
 797    private ScrollState getScrollPosition() {
 798        final ListView listView = this.binding == null ? null : this.binding.messagesView;
 799        if (listView == null
 800                || listView.getCount() == 0
 801                || listView.getLastVisiblePosition() == listView.getCount() - 1) {
 802            return null;
 803        } else {
 804            final int pos = listView.getFirstVisiblePosition();
 805            final View view = listView.getChildAt(0);
 806            if (view == null) {
 807                return null;
 808            } else {
 809                return new ScrollState(pos, view.getTop());
 810            }
 811        }
 812    }
 813
 814    private void setScrollPosition(ScrollState scrollPosition, String lastMessageUuid) {
 815        if (scrollPosition != null) {
 816
 817            this.lastMessageUuid = lastMessageUuid;
 818            if (lastMessageUuid != null) {
 819                binding.unreadCountCustomView.setUnreadCount(
 820                        conversation.getReceivedMessagesCountSinceUuid(lastMessageUuid));
 821            }
 822            // TODO maybe this needs a 'post'
 823            this.binding.messagesView.setSelectionFromTop(
 824                    scrollPosition.position, scrollPosition.offset);
 825            toggleScrollDownButton();
 826        }
 827    }
 828
 829    private void attachLocationToConversation(Conversation conversation, Uri uri) {
 830        if (conversation == null) {
 831            return;
 832        }
 833        final String subject = binding.textinputSubject.getText().toString();
 834        activity.xmppConnectionService.attachLocationToConversation(
 835                conversation,
 836                uri,
 837                subject,
 838                new UiCallback<Message>() {
 839
 840                    @Override
 841                    public void success(Message message) {
 842                        messageSent();
 843                    }
 844
 845                    @Override
 846                    public void error(int errorCode, Message object) {
 847                        // TODO show possible pgp error
 848                    }
 849
 850                    @Override
 851                    public void userInputRequired(PendingIntent pi, Message object) {}
 852                });
 853    }
 854
 855    private void attachFileToConversation(Conversation conversation, Uri uri, String type) {
 856        if (conversation == null) {
 857            return;
 858        }
 859        final String subject = binding.textinputSubject.getText().toString();
 860        if ("application/webxdc+zip".equals(type)) newSubThread();
 861        final Toast prepareFileToast =
 862                Toast.makeText(getActivity(), getText(R.string.preparing_file), Toast.LENGTH_LONG);
 863        prepareFileToast.show();
 864        activity.delegateUriPermissionsToService(uri);
 865        activity.xmppConnectionService.attachFileToConversation(
 866                conversation,
 867                uri,
 868                type,
 869                subject,
 870                new UiInformableCallback<Message>() {
 871                    @Override
 872                    public void inform(final String text) {
 873                        hidePrepareFileToast(prepareFileToast);
 874                        runOnUiThread(() -> activity.replaceToast(text));
 875                    }
 876
 877                    @Override
 878                    public void success(Message message) {
 879                        runOnUiThread(() -> {
 880                            activity.hideToast();
 881                            messageSent();
 882                        });
 883                        hidePrepareFileToast(prepareFileToast);
 884                    }
 885
 886                    @Override
 887                    public void error(final int errorCode, Message message) {
 888                        hidePrepareFileToast(prepareFileToast);
 889                        runOnUiThread(() -> activity.replaceToast(getString(errorCode)));
 890                    }
 891
 892                    @Override
 893                    public void userInputRequired(PendingIntent pi, Message message) {
 894                        hidePrepareFileToast(prepareFileToast);
 895                    }
 896                });
 897    }
 898
 899    public void attachEditorContentToConversation(Uri uri) {
 900        mediaPreviewAdapter.addMediaPreviews(
 901                Attachment.of(getActivity(), uri, Attachment.Type.FILE));
 902        toggleInputMethod();
 903    }
 904
 905    private void attachImageToConversation(Conversation conversation, Uri uri, String type) {
 906        if (conversation == null) {
 907            return;
 908        }
 909        final String subject = binding.textinputSubject.getText().toString();
 910        final Toast prepareFileToast =
 911                Toast.makeText(getActivity(), getText(R.string.preparing_image), Toast.LENGTH_LONG);
 912        prepareFileToast.show();
 913        activity.delegateUriPermissionsToService(uri);
 914        activity.xmppConnectionService.attachImageToConversation(
 915                conversation,
 916                uri,
 917                type,
 918                subject,
 919                new UiCallback<Message>() {
 920
 921                    @Override
 922                    public void userInputRequired(PendingIntent pi, Message object) {
 923                        hidePrepareFileToast(prepareFileToast);
 924                    }
 925
 926                    @Override
 927                    public void success(Message message) {
 928                        hidePrepareFileToast(prepareFileToast);
 929                        runOnUiThread(() -> messageSent());
 930                    }
 931
 932                    @Override
 933                    public void error(final int error, final Message message) {
 934                        hidePrepareFileToast(prepareFileToast);
 935                        final ConversationsActivity activity = ConversationFragment.this.activity;
 936                        if (activity == null) {
 937                            return;
 938                        }
 939                        activity.runOnUiThread(() -> activity.replaceToast(getString(error)));
 940                    }
 941                });
 942    }
 943
 944    private void hidePrepareFileToast(final Toast prepareFileToast) {
 945        if (prepareFileToast != null && activity != null) {
 946            activity.runOnUiThread(prepareFileToast::cancel);
 947        }
 948    }
 949
 950    private void sendMessage() {
 951        sendMessage((Long) null);
 952    }
 953
 954    private void sendMessage(Long sendAt) {
 955        if (sendAt != null && sendAt < System.currentTimeMillis()) sendAt = null; // No sending in past plz
 956        if (mediaPreviewAdapter.hasAttachments()) {
 957            commitAttachments();
 958            return;
 959        }
 960        Editable body = this.binding.textinput.getText();
 961        if (body == null) body = new SpannableStringBuilder("");
 962        final Conversation conversation = this.conversation;
 963        final boolean hasSubject = binding.textinputSubject.getText().length() > 0;
 964        if (conversation == null || (body.length() == 0 && (conversation.getThread() == null || !hasSubject))) {
 965            if (Build.VERSION.SDK_INT >= 24) {
 966                binding.textSendButton.showContextMenu(0, 0);
 967            } else {
 968                binding.textSendButton.showContextMenu();
 969            }
 970            return;
 971        }
 972        if (trustKeysIfNeeded(conversation, REQUEST_TRUST_KEYS_TEXT)) {
 973            return;
 974        }
 975        final Message message;
 976        if (conversation.getCorrectingMessage() == null) {
 977            boolean attention = false;
 978            if (Pattern.compile("\\A@here\\s.*").matcher(body).find()) {
 979                attention = true;
 980                body.delete(0, 6);
 981                while (body.length() > 0 && Character.isWhitespace(body.charAt(0))) body.delete(0, 1);
 982            }
 983            if (conversation.getReplyTo() != null) {
 984                if (Emoticons.isEmoji(body.toString().replaceAll("\\s", ""))) {
 985                    final var aggregated = conversation.getReplyTo().getAggregatedReactions();
 986                    final ImmutableSet.Builder<String> reactionBuilder = new ImmutableSet.Builder<>();
 987                    reactionBuilder.addAll(aggregated.ourReactions);
 988                    reactionBuilder.add(body.toString().replaceAll("\\s", ""));
 989                    activity.xmppConnectionService.sendReactions(conversation.getReplyTo(), reactionBuilder.build());
 990                    setupReply(null);
 991                    messageSent();
 992                    return;
 993                } else {
 994                    message = conversation.getReplyTo().reply();
 995                    message.appendBody(body);
 996                }
 997                message.setEncryption(conversation.getNextEncryption());
 998            } else {
 999                message = new Message(conversation, body.toString(), conversation.getNextEncryption());
1000                message.setBody(hasSubject && body.length() == 0 ? null : body);
1001                if (message.bodyIsOnlyEmojis()) {
1002                    SpannableStringBuilder spannable = message.getSpannableBody(null, null);
1003                    ImageSpan[] imageSpans = spannable.getSpans(0, spannable.length(), ImageSpan.class);
1004                    if (imageSpans.length == 1) {
1005                        // Only one inline image, so it's a sticker
1006                        String source = imageSpans[0].getSource();
1007                        if (source != null && source.length() > 0 && source.substring(0, 4).equals("cid:")) {
1008                            try {
1009                                final Cid cid = BobTransfer.cid(Uri.parse(source));
1010                                final String url = activity.xmppConnectionService.getUrlForCid(cid);
1011                                final File f = activity.xmppConnectionService.getFileForCid(cid);
1012                                if (url != null) {
1013                                    message.setBody("");
1014                                    message.setRelativeFilePath(f.getAbsolutePath());
1015                                    activity.xmppConnectionService.getFileBackend().updateFileParams(message);
1016                                }
1017                            } catch (final Exception e) { }
1018                        }
1019                    }
1020                }
1021            }
1022            if (hasSubject) message.setSubject(binding.textinputSubject.getText().toString());
1023            message.setThread(conversation.getThread());
1024            if (attention) {
1025                message.addPayload(new Element("attention", "urn:xmpp:attention:0"));
1026            }
1027            Message.configurePrivateMessage(message);
1028        } else {
1029            message = conversation.getCorrectingMessage();
1030            if (hasSubject) message.setSubject(binding.textinputSubject.getText().toString());
1031            message.setThread(conversation.getThread());
1032            if (conversation.getReplyTo() != null) {
1033                if (Emoticons.isEmoji(body.toString().replaceAll("\\s", ""))) {
1034                    message.updateReaction(conversation.getReplyTo(), body.toString().replaceAll("\\s", ""));
1035                } else {
1036                    message.updateReplyTo(conversation.getReplyTo(), body);
1037                }
1038            } else {
1039                message.clearReplyReact();
1040                message.setBody(hasSubject && body.length() == 0 ? null : body);
1041            }
1042            if (message.getStatus() == Message.STATUS_WAITING) {
1043                if (sendAt != null) message.setTime(sendAt);
1044                activity.xmppConnectionService.updateMessage(message);
1045                setupReply(null);
1046                messageSent();
1047                return;
1048            } else {
1049                message.putEdited(message.getUuid(), message.getServerMsgId());
1050                message.setServerMsgId(null);
1051                message.setUuid(UUID.randomUUID().toString());
1052            }
1053        }
1054        if (sendAt != null) message.setTime(sendAt);
1055        switch (conversation.getNextEncryption()) {
1056            case Message.ENCRYPTION_PGP:
1057                sendPgpMessage(message);
1058                break;
1059            default:
1060                sendMessage(message);
1061        }
1062        setupReply(null);
1063    }
1064
1065    private boolean trustKeysIfNeeded(final Conversation conversation, final int requestCode) {
1066        return conversation.getNextEncryption() == Message.ENCRYPTION_AXOLOTL
1067                && trustKeysIfNeeded(requestCode);
1068    }
1069
1070    protected boolean trustKeysIfNeeded(int requestCode) {
1071        AxolotlService axolotlService = conversation.getAccount().getAxolotlService();
1072        final List<Jid> targets = axolotlService.getCryptoTargets(conversation);
1073        boolean hasUnaccepted = !conversation.getAcceptedCryptoTargets().containsAll(targets);
1074        boolean hasUndecidedOwn =
1075                !axolotlService
1076                        .getKeysWithTrust(FingerprintStatus.createActiveUndecided())
1077                        .isEmpty();
1078        boolean hasUndecidedContacts =
1079                !axolotlService
1080                        .getKeysWithTrust(FingerprintStatus.createActiveUndecided(), targets)
1081                        .isEmpty();
1082        boolean hasPendingKeys = !axolotlService.findDevicesWithoutSession(conversation).isEmpty();
1083        boolean hasNoTrustedKeys = axolotlService.anyTargetHasNoTrustedKeys(targets);
1084        boolean downloadInProgress = axolotlService.hasPendingKeyFetches(targets);
1085        if (hasUndecidedOwn
1086                || hasUndecidedContacts
1087                || hasPendingKeys
1088                || hasNoTrustedKeys
1089                || hasUnaccepted
1090                || downloadInProgress) {
1091            axolotlService.createSessionsIfNeeded(conversation);
1092            Intent intent = new Intent(getActivity(), TrustKeysActivity.class);
1093            String[] contacts = new String[targets.size()];
1094            for (int i = 0; i < contacts.length; ++i) {
1095                contacts[i] = targets.get(i).toString();
1096            }
1097            intent.putExtra("contacts", contacts);
1098            intent.putExtra(
1099                    EXTRA_ACCOUNT,
1100                    conversation.getAccount().getJid().asBareJid().toEscapedString());
1101            intent.putExtra("conversation", conversation.getUuid());
1102            startActivityForResult(intent, requestCode);
1103            return true;
1104        } else {
1105            return false;
1106        }
1107    }
1108
1109    public void updateChatMsgHint() {
1110        final boolean multi = conversation.getMode() == Conversation.MODE_MULTI;
1111        if (conversation.getCorrectingMessage() != null) {
1112            this.binding.textInputHint.setVisibility(View.GONE);
1113            this.binding.textinput.setHint(R.string.send_corrected_message);
1114            binding.conversationViewPager.setCurrentItem(0);
1115        } else if (multi && conversation.getNextCounterpart() != null) {
1116            this.binding.textinput.setHint(R.string.send_message);
1117            this.binding.textInputHint.setVisibility(View.VISIBLE);
1118            final MucOptions.User user = conversation.getMucOptions().findUserByName(conversation.getNextCounterpart().getResource());
1119            String nick = user == null ? null : user.getNick();
1120            if (nick == null) nick = conversation.getNextCounterpart().getResource();
1121            this.binding.textInputHint.setText(
1122                    getString(
1123                            R.string.send_private_message_to,
1124                            nick));
1125            binding.conversationViewPager.setCurrentItem(0);
1126        } else if (multi && !conversation.getMucOptions().participating()) {
1127            this.binding.textInputHint.setVisibility(View.GONE);
1128            this.binding.textinput.setHint(R.string.you_are_not_participating);
1129            this.binding.inputLayout.setBackgroundColor(android.R.color.transparent);
1130        } else {
1131            this.binding.textInputHint.setVisibility(View.GONE);
1132            if (activity == null) return;
1133            this.binding.textinput.setHint(UIHelper.getMessageHint(activity, conversation));
1134            this.binding.inputLayout.setBackground(activity.getDrawable(R.drawable.background_message_bubble));
1135            activity.invalidateOptionsMenu();
1136        }
1137
1138        binding.messagesView.post(this::updateThreadFromLastMessage);
1139    }
1140
1141    public void setupIme() {
1142        this.binding.textinput.refreshIme();
1143    }
1144
1145    private void handleActivityResult(ActivityResult activityResult) {
1146        if (activityResult.resultCode == Activity.RESULT_OK) {
1147            handlePositiveActivityResult(activityResult.requestCode, activityResult.data);
1148        } else {
1149            handleNegativeActivityResult(activityResult.requestCode);
1150        }
1151    }
1152
1153    private void handlePositiveActivityResult(int requestCode, final Intent data) {
1154        switch (requestCode) {
1155            case REQUEST_WEBXDC_STORE:
1156                mediaPreviewAdapter.addMediaPreviews(Attachment.of(activity, data.getData(), Attachment.Type.FILE));
1157                toggleInputMethod();
1158                break;
1159            case REQUEST_SAVE_STICKER:
1160                final DocumentFile df = DocumentFile.fromSingleUri(activity, data.getData());
1161                final File f = savingAsSticker;
1162                savingAsSticker = null;
1163                try {
1164                    activity.xmppConnectionService.getFileBackend().copyFileToDocumentFile(activity, f, df);
1165                    Toast.makeText(activity, "Sticker saved", Toast.LENGTH_SHORT).show();
1166                } catch (final FileBackend.FileCopyException e) {
1167                    Toast.makeText(activity, e.getResId(), Toast.LENGTH_SHORT).show();
1168                }
1169                break;
1170            case REQUEST_TRUST_KEYS_TEXT:
1171                sendMessage();
1172                break;
1173            case REQUEST_TRUST_KEYS_ATTACHMENTS:
1174                commitAttachments();
1175                break;
1176            case REQUEST_START_AUDIO_CALL:
1177                triggerRtpSession(RtpSessionActivity.ACTION_MAKE_VOICE_CALL);
1178                break;
1179            case REQUEST_START_VIDEO_CALL:
1180                triggerRtpSession(RtpSessionActivity.ACTION_MAKE_VIDEO_CALL);
1181                break;
1182            case ATTACHMENT_CHOICE_CHOOSE_IMAGE:
1183                final List<Attachment> imageUris =
1184                        Attachment.extractAttachments(getActivity(), data, Attachment.Type.IMAGE);
1185                mediaPreviewAdapter.addMediaPreviews(imageUris);
1186                toggleInputMethod();
1187                break;
1188            case ATTACHMENT_CHOICE_TAKE_PHOTO:
1189                final Uri takePhotoUri = pendingTakePhotoUri.pop();
1190                if (takePhotoUri != null) {
1191                    mediaPreviewAdapter.addMediaPreviews(
1192                            Attachment.of(getActivity(), takePhotoUri, Attachment.Type.IMAGE));
1193                    toggleInputMethod();
1194                } else {
1195                    Log.d(Config.LOGTAG, "lost take photo uri. unable to to attach");
1196                }
1197                break;
1198            case ATTACHMENT_CHOICE_CHOOSE_FILE:
1199            case ATTACHMENT_CHOICE_RECORD_VIDEO:
1200            case ATTACHMENT_CHOICE_RECORD_VOICE:
1201                final Attachment.Type type =
1202                        requestCode == ATTACHMENT_CHOICE_RECORD_VOICE
1203                                ? Attachment.Type.RECORDING
1204                                : Attachment.Type.FILE;
1205                final List<Attachment> fileUris =
1206                        Attachment.extractAttachments(getActivity(), data, type);
1207                mediaPreviewAdapter.addMediaPreviews(fileUris);
1208                toggleInputMethod();
1209                break;
1210            case ATTACHMENT_CHOICE_LOCATION:
1211                final double latitude = data.getDoubleExtra("latitude", 0);
1212                final double longitude = data.getDoubleExtra("longitude", 0);
1213                final int accuracy = data.getIntExtra("accuracy", 0);
1214                final Uri geo;
1215                if (accuracy > 0) {
1216                    geo = Uri.parse(String.format("geo:%s,%s;u=%s", latitude, longitude, accuracy));
1217                } else {
1218                    geo = Uri.parse(String.format("geo:%s,%s", latitude, longitude));
1219                }
1220                mediaPreviewAdapter.addMediaPreviews(
1221                        Attachment.of(getActivity(), geo, Attachment.Type.LOCATION));
1222                toggleInputMethod();
1223                break;
1224            case REQUEST_INVITE_TO_CONVERSATION:
1225                XmppActivity.ConferenceInvite invite = XmppActivity.ConferenceInvite.parse(data);
1226                if (invite != null) {
1227                    if (invite.execute(activity)) {
1228                        activity.mToast =
1229                                Toast.makeText(
1230                                        activity, R.string.creating_conference, Toast.LENGTH_LONG);
1231                        activity.mToast.show();
1232                    }
1233                }
1234                break;
1235        }
1236    }
1237
1238    private void commitAttachments() {
1239        final List<Attachment> attachments = mediaPreviewAdapter.getAttachments();
1240        if (anyNeedsExternalStoragePermission(attachments)
1241                && !hasPermissions(
1242                        REQUEST_COMMIT_ATTACHMENTS, Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
1243            return;
1244        }
1245        if (trustKeysIfNeeded(conversation, REQUEST_TRUST_KEYS_ATTACHMENTS)) {
1246            return;
1247        }
1248        final PresenceSelector.OnPresenceSelected callback =
1249                () -> {
1250                    for (Iterator<Attachment> i = attachments.iterator(); i.hasNext(); i.remove()) {
1251                        final Attachment attachment = i.next();
1252                        if (attachment.getType() == Attachment.Type.LOCATION) {
1253                            attachLocationToConversation(conversation, attachment.getUri());
1254                        } else if (attachment.getType() == Attachment.Type.IMAGE) {
1255                            Log.d(
1256                                    Config.LOGTAG,
1257                                    "ConversationsActivity.commitAttachments() - attaching image to conversations. CHOOSE_IMAGE");
1258                            attachImageToConversation(
1259                                    conversation, attachment.getUri(), attachment.getMime());
1260                        } else {
1261                            Log.d(
1262                                    Config.LOGTAG,
1263                                    "ConversationsActivity.commitAttachments() - attaching file to conversations. CHOOSE_FILE/RECORD_VOICE/RECORD_VIDEO");
1264                            attachFileToConversation(
1265                                    conversation, attachment.getUri(), attachment.getMime());
1266                        }
1267                    }
1268                    mediaPreviewAdapter.notifyDataSetChanged();
1269                    toggleInputMethod();
1270                };
1271        if (conversation == null
1272                || conversation.getMode() == Conversation.MODE_MULTI
1273                || Attachment.canBeSendInBand(attachments)
1274                || (conversation.getAccount().httpUploadAvailable()
1275                        && FileBackend.allFilesUnderSize(
1276                                getActivity(), attachments, getMaxHttpUploadSize(conversation)))) {
1277            callback.onPresenceSelected();
1278        } else {
1279            activity.selectPresence(conversation, callback);
1280        }
1281    }
1282
1283    private static boolean anyNeedsExternalStoragePermission(
1284            final Collection<Attachment> attachments) {
1285        for (final Attachment attachment : attachments) {
1286            if (attachment.getType() != Attachment.Type.LOCATION) {
1287                return true;
1288            }
1289        }
1290        return false;
1291    }
1292
1293    public void toggleInputMethod() {
1294        boolean hasAttachments = mediaPreviewAdapter.hasAttachments();
1295        binding.textinput.setVisibility(hasAttachments ? View.GONE : View.VISIBLE);
1296        binding.mediaPreview.setVisibility(hasAttachments ? View.VISIBLE : View.GONE);
1297        updateSendButton();
1298    }
1299
1300    private void handleNegativeActivityResult(int requestCode) {
1301        switch (requestCode) {
1302            case ATTACHMENT_CHOICE_TAKE_PHOTO:
1303                if (pendingTakePhotoUri.clear()) {
1304                    Log.d(
1305                            Config.LOGTAG,
1306                            "cleared pending photo uri after negative activity result");
1307                }
1308                break;
1309        }
1310    }
1311
1312    @Override
1313    public void onActivityResult(int requestCode, int resultCode, final Intent data) {
1314        super.onActivityResult(requestCode, resultCode, data);
1315        ActivityResult activityResult = ActivityResult.of(requestCode, resultCode, data);
1316        if (activity != null && activity.xmppConnectionService != null) {
1317            handleActivityResult(activityResult);
1318        } else {
1319            this.postponedActivityResult.push(activityResult);
1320        }
1321    }
1322
1323    public void unblockConversation(final Blockable conversation) {
1324        activity.xmppConnectionService.sendUnblockRequest(conversation);
1325    }
1326
1327    @Override
1328    public void onAttach(Activity activity) {
1329        super.onAttach(activity);
1330        Log.d(Config.LOGTAG, "ConversationFragment.onAttach()");
1331        if (activity instanceof ConversationsActivity) {
1332            this.activity = (ConversationsActivity) activity;
1333        } else {
1334            throw new IllegalStateException(
1335                    "Trying to attach fragment to activity that is not the ConversationsActivity");
1336        }
1337    }
1338
1339    @Override
1340    public void onDetach() {
1341        super.onDetach();
1342        this.activity = null; // TODO maybe not a good idea since some callbacks really need it
1343    }
1344
1345    @Override
1346    public void onCreate(Bundle savedInstanceState) {
1347        super.onCreate(savedInstanceState);
1348        setHasOptionsMenu(true);
1349        activity.getOnBackPressedDispatcher().addCallback(this, backPressedLeaveSingleThread);
1350    }
1351
1352    @Override
1353    public void onCreateOptionsMenu(Menu menu, MenuInflater menuInflater) {
1354        if (activity != null && activity.xmppConnectionService != null && activity.xmppConnectionService.isOnboarding()) return;
1355
1356        menuInflater.inflate(R.menu.fragment_conversation, menu);
1357        final MenuItem menuMucDetails = menu.findItem(R.id.action_muc_details);
1358        final MenuItem menuContactDetails = menu.findItem(R.id.action_contact_details);
1359        final MenuItem menuInviteContact = menu.findItem(R.id.action_invite);
1360        final MenuItem menuMute = menu.findItem(R.id.action_mute);
1361        final MenuItem menuUnmute = menu.findItem(R.id.action_unmute);
1362        final MenuItem menuCall = menu.findItem(R.id.action_call);
1363        final MenuItem menuOngoingCall = menu.findItem(R.id.action_ongoing_call);
1364        final MenuItem menuVideoCall = menu.findItem(R.id.action_video_call);
1365        final MenuItem menuTogglePinned = menu.findItem(R.id.action_toggle_pinned);
1366
1367        if (conversation != null) {
1368            if (conversation.getMode() == Conversation.MODE_MULTI) {
1369                menuContactDetails.setVisible(false);
1370                menuInviteContact.setVisible(conversation.getMucOptions().canInvite());
1371                menuMucDetails.setTitle(
1372                        conversation.getMucOptions().isPrivateAndNonAnonymous()
1373                                ? R.string.action_muc_details
1374                                : R.string.channel_details);
1375                menuCall.setVisible(false);
1376                menuOngoingCall.setVisible(false);
1377            } else {
1378                final XmppConnectionService service =
1379                        activity == null ? null : activity.xmppConnectionService;
1380                final Optional<OngoingRtpSession> ongoingRtpSession =
1381                        service == null
1382                                ? Optional.absent()
1383                                : service.getJingleConnectionManager()
1384                                        .getOngoingRtpConnection(conversation.getContact());
1385                if (ongoingRtpSession.isPresent()) {
1386                    menuOngoingCall.setVisible(true);
1387                    menuCall.setVisible(false);
1388                } else {
1389                    menuOngoingCall.setVisible(false);
1390                    final RtpCapability.Capability rtpCapability =
1391                            RtpCapability.check(conversation.getContact());
1392                    final boolean cameraAvailable =
1393                            activity != null && activity.isCameraFeatureAvailable();
1394                    menuCall.setVisible(rtpCapability != RtpCapability.Capability.NONE);
1395                    menuVideoCall.setVisible(
1396                            rtpCapability == RtpCapability.Capability.VIDEO && cameraAvailable);
1397                }
1398                menuContactDetails.setVisible(!this.conversation.withSelf());
1399                menuMucDetails.setVisible(false);
1400                menuInviteContact.setVisible(
1401                        service != null
1402                                && service.findConferenceServer(conversation.getAccount()) != null);
1403            }
1404            if (conversation.isMuted()) {
1405                menuMute.setVisible(false);
1406            } else {
1407                menuUnmute.setVisible(false);
1408            }
1409            ConversationMenuConfigurator.configureAttachmentMenu(conversation, menu, TextUtils.isEmpty(binding.textinput.getText()));
1410            ConversationMenuConfigurator.configureEncryptionMenu(conversation, menu);
1411            if (conversation.getBooleanAttribute(Conversation.ATTRIBUTE_PINNED_ON_TOP, false)) {
1412                menuTogglePinned.setTitle(R.string.remove_from_favorites);
1413            } else {
1414                menuTogglePinned.setTitle(R.string.add_to_favorites);
1415            }
1416        }
1417        super.onCreateOptionsMenu(menu, menuInflater);
1418    }
1419
1420    @Override
1421    public View onCreateView(
1422            final LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
1423        this.binding =
1424                DataBindingUtil.inflate(inflater, R.layout.fragment_conversation, container, false);
1425        binding.getRoot().setOnClickListener(null); // TODO why the fuck did we do this?
1426
1427        binding.textinput.setOnEditorActionListener(mEditorActionListener);
1428        binding.textinput.setRichContentListener(new String[] {"image/*"}, mEditorContentListener);
1429        DisplayMetrics displayMetrics = new DisplayMetrics();
1430        activity.getWindowManager().getDefaultDisplay().getMetrics(displayMetrics);
1431        if (displayMetrics.heightPixels > 0) binding.textinput.setMaxHeight(displayMetrics.heightPixels / 4);
1432
1433        binding.textSendButton.setOnClickListener(this.mSendButtonListener);
1434        binding.contextPreviewCancel.setOnClickListener((v) -> {
1435            setThread(null);
1436            conversation.setUserSelectedThread(false);
1437            setupReply(null);
1438        });
1439        binding.requestVoice.setOnClickListener((v) -> {
1440            activity.xmppConnectionService.requestVoice(conversation.getAccount(), conversation.getJid());
1441            binding.requestVoice.setVisibility(View.GONE);
1442            Toast.makeText(activity, "Your request has been sent to the moderators", Toast.LENGTH_SHORT).show();
1443        });
1444
1445        binding.scrollToBottomButton.setOnClickListener(this.mScrollButtonListener);
1446        binding.messagesView.setOnScrollListener(mOnScrollListener);
1447        binding.messagesView.setTranscriptMode(ListView.TRANSCRIPT_MODE_NORMAL);
1448        mediaPreviewAdapter = new MediaPreviewAdapter(this);
1449        binding.mediaPreview.setAdapter(mediaPreviewAdapter);
1450        messageListAdapter = new MessageAdapter((XmppActivity) getActivity(), this.messageList);
1451        messageListAdapter.setOnContactPictureClicked(this);
1452        messageListAdapter.setOnContactPictureLongClicked(this);
1453        messageListAdapter.setOnInlineImageLongClicked(this);
1454        messageListAdapter.setConversationFragment(this);
1455        binding.messagesView.setAdapter(messageListAdapter);
1456
1457        binding.textinput.addTextChangedListener(
1458                new StylingHelper.MessageEditorStyler(binding.textinput, messageListAdapter));
1459
1460        registerForContextMenu(binding.messagesView);
1461        registerForContextMenu(binding.textSendButton);
1462
1463        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
1464            this.binding.textinput.setCustomInsertionActionModeCallback(
1465                    new EditMessageActionModeCallback(this.binding.textinput));
1466        }
1467
1468        messageListAdapter.setOnMessageBoxClicked(message -> {
1469            if (message.isPrivateMessage()) privateMessageWith(message.getCounterpart());
1470            setThread(message.getThread());
1471            conversation.setUserSelectedThread(true);
1472        });
1473
1474        messageListAdapter.setOnMessageBoxSwiped(message -> {
1475            quoteMessage(message);
1476        });
1477
1478        binding.threadIdenticonLayout.setOnClickListener(v -> {
1479            boolean wasLocked = conversation.getLockThread();
1480            conversation.setLockThread(false);
1481            backPressedLeaveSingleThread.setEnabled(false);
1482            if (wasLocked) {
1483                setThread(null);
1484                conversation.setUserSelectedThread(false);
1485                refresh();
1486                updateThreadFromLastMessage();
1487            } else {
1488                newThread();
1489                conversation.setUserSelectedThread(true);
1490                newThreadTutorialToast("Switched to new thread");
1491            }
1492        });
1493
1494        binding.threadIdenticonLayout.setOnLongClickListener(v -> {
1495            boolean wasLocked = conversation.getLockThread();
1496            conversation.setLockThread(false);
1497            backPressedLeaveSingleThread.setEnabled(false);
1498            setThread(null);
1499            conversation.setUserSelectedThread(true);
1500            if (wasLocked) refresh();
1501            newThreadTutorialToast("Cleared thread");
1502            return true;
1503        });
1504
1505        Autocomplete.<MucOptions.User>on(binding.textinput)
1506            .with(activity.getDrawable(R.drawable.background_message_bubble))
1507            .with(new CharPolicy('@'))
1508            .with(new RecyclerViewPresenter<MucOptions.User>(activity) {
1509                protected UserAdapter adapter;
1510
1511                @Override
1512                protected Adapter instantiateAdapter() {
1513                    adapter = new UserAdapter(false) {
1514                        @Override
1515                        public void onBindViewHolder(UserAdapter.ViewHolder viewHolder, int position) {
1516                            super.onBindViewHolder(viewHolder, position);
1517                            final var item = getItem(position);
1518                            viewHolder.binding.getRoot().setOnClickListener(v -> {
1519                                dispatchClick(item);
1520                            });
1521                        }
1522                    };
1523                    return adapter;
1524                }
1525
1526                @Override
1527                protected void onQuery(@Nullable CharSequence query) {
1528                    if (!activity.xmppConnectionService.getBooleanPreference("message_autocomplete", R.bool.message_autocomplete)) return;
1529
1530                    getRecyclerView().getItemAnimator().endAnimations();
1531                    final var allUsers = conversation.getMucOptions().getUsers();
1532                    if (!conversation.getMucOptions().getUsersByRole(MucOptions.Role.MODERATOR).isEmpty()) {
1533                        final var u = new MucOptions.User(conversation.getMucOptions(), null, "\0role:moderator", "Notify active moderators", new HashSet<>());
1534                        u.setRole("participant");
1535                        allUsers.add(u);
1536                    }
1537                    if (!allUsers.isEmpty() && conversation.getMucOptions().getSelf() != null && conversation.getMucOptions().getSelf().getAffiliation().ranks(MucOptions.Affiliation.MEMBER)) {
1538                        final var u = new MucOptions.User(conversation.getMucOptions(), null, "\0attention", "Notify active participants", new HashSet<>());
1539                        u.setRole("participant");
1540                        allUsers.add(u);
1541                    }
1542                    final String needle = query.toString().toLowerCase(Locale.getDefault());
1543                    adapter.submitList(
1544                        Ordering.natural().immutableSortedCopy(Collections2.filter(
1545                            allUsers,
1546                            user -> {
1547                                if ("mods".contains(needle) && "\0role:moderator".equals(user.getOccupantId())) return true;
1548                                if ("here".contains(needle) && "\0attention".equals(user.getOccupantId())) return true;
1549                                final String name = user.getNick();
1550                                if (name == null) return false;
1551                                for (final var hat : user.getHats()) {
1552                                    if (hat.toString().toLowerCase(Locale.getDefault()).contains(needle)) return true;
1553                                }
1554                                for (final var hat : user.getPseudoHats(activity)) {
1555                                    if (hat.toString().toLowerCase(Locale.getDefault()).contains(needle)) return true;
1556                                }
1557                                final Contact contact = user.getContact();
1558                                return name.toLowerCase(Locale.getDefault()).contains(needle)
1559                                    || contact != null
1560                                    && contact.getDisplayName().toLowerCase(Locale.getDefault()).contains(needle);
1561                            })));
1562                }
1563
1564                @Override
1565                protected AutocompletePresenter.PopupDimensions getPopupDimensions() {
1566                    final var dim = new AutocompletePresenter.PopupDimensions();
1567                    dim.width = displayMetrics.widthPixels * 4/5;
1568                    return dim;
1569                }
1570            })
1571            .with(new AutocompleteCallback<MucOptions.User>() {
1572                @Override
1573                public boolean onPopupItemClicked(Editable editable, MucOptions.User user) {
1574                    int[] range = com.otaliastudios.autocomplete.CharPolicy.getQueryRange(editable);
1575                    if (range == null) return false;
1576                    range[0] -= 1;
1577                    if ("\0attention".equals(user.getOccupantId())) {
1578	                    editable.delete(Math.max(0, range[0]), Math.min(editable.length(), range[1]));
1579                        editable.insert(0, "@here ");
1580                        return true;
1581                    }
1582                    int colon = editable.toString().indexOf(':');
1583                    final var beforeColon = range[0] < colon;
1584                    String prefix = "";
1585                    String suffix = " ";
1586                    if (beforeColon) suffix = ", ";
1587                    if (colon < 0 && range[0] == 0) suffix = ": ";
1588                    if (colon > 0 && colon == range[0] - 2) {
1589                        prefix = ", ";
1590                        suffix = ": ";
1591                        range[0] -= 2;
1592                    }
1593                    var insert = user.getNick();
1594                    if ("\0role:moderator".equals(user.getOccupantId())) {
1595                        insert = conversation.getMucOptions().getUsersByRole(MucOptions.Role.MODERATOR).stream().map(MucOptions.User::getNick).collect(Collectors.joining(", "));
1596                    }
1597                    editable.replace(Math.max(0, range[0]), Math.min(editable.length(), range[1]), prefix + insert + suffix);
1598                    return true;
1599                }
1600
1601                @Override
1602                public void onPopupVisibilityChanged(boolean shown) {}
1603            }).build();
1604
1605        Handler emojiDebounce = new Handler(Looper.getMainLooper());
1606        setupEmojiSearch();
1607        Autocomplete.<EmojiSearch.Emoji>on(binding.textinput)
1608            .with(activity.getDrawable(R.drawable.background_message_bubble))
1609            .with(new CharPolicy(':'))
1610            .with(new RecyclerViewPresenter<EmojiSearch.Emoji>(activity) {
1611                protected EmojiSearch.EmojiSearchAdapter adapter;
1612
1613                @Override
1614                protected Adapter instantiateAdapter() {
1615                    adapter = emojiSearch.makeAdapter(item -> dispatchClick(item));
1616                    return adapter;
1617                }
1618
1619                @Override
1620                protected void onQuery(@Nullable CharSequence query) {
1621                    if (!activity.xmppConnectionService.getBooleanPreference("message_autocomplete", R.bool.message_autocomplete)) return;
1622
1623                    emojiDebounce.removeCallbacksAndMessages(null);
1624                    emojiDebounce.postDelayed(() -> {
1625                        if (getRecyclerView() == null) return;
1626                        try { getRecyclerView().getItemAnimator().endAnimations(); } catch (final Exception e) {  }
1627                        adapter.search(activity, query.toString());
1628                    }, 100L);
1629                }
1630            })
1631            .with(new AutocompleteCallback<EmojiSearch.Emoji>() {
1632                @Override
1633                public boolean onPopupItemClicked(Editable editable, EmojiSearch.Emoji emoji) {
1634                    int[] range = com.otaliastudios.autocomplete.CharPolicy.getQueryRange(editable);
1635                    if (range == null) return false;
1636                    range[0] -= 1;
1637                    final var toInsert = emoji.toInsert();
1638                    toInsert.append(" ");
1639                    editable.replace(Math.max(0, range[0]), Math.min(editable.length(), range[1]), toInsert);
1640                    return true;
1641                }
1642
1643                @Override
1644                public void onPopupVisibilityChanged(boolean shown) {}
1645            }).build();
1646
1647        return binding.getRoot();
1648    }
1649
1650    protected void setupEmojiSearch() {
1651        if (activity != null && activity.xmppConnectionService != null) {
1652            if (!activity.xmppConnectionService.getBooleanPreference("message_autocomplete", R.bool.message_autocomplete)) {
1653                emojiSearch = null;
1654                return;
1655            }
1656            if (emojiSearch == null) {
1657                emojiSearch = activity.xmppConnectionService.emojiSearch();
1658            }
1659        }
1660    }
1661
1662    protected void newThreadTutorialToast(String s) {
1663        if (activity == null) return;
1664        final SharedPreferences p = PreferenceManager.getDefaultSharedPreferences(activity);
1665        final int tutorialCount = p.getInt("thread_tutorial", 0);
1666        if (tutorialCount < 5) {
1667            Toast.makeText(activity, s, Toast.LENGTH_SHORT).show();
1668            p.edit().putInt("thread_tutorial", tutorialCount + 1).apply();
1669        }
1670    }
1671
1672    @Override
1673    public void onDestroyView() {
1674        super.onDestroyView();
1675        Log.d(Config.LOGTAG, "ConversationFragment.onDestroyView()");
1676        messageListAdapter.setOnContactPictureClicked(null);
1677        messageListAdapter.setOnContactPictureLongClicked(null);
1678        messageListAdapter.setOnInlineImageLongClicked(null);
1679        messageListAdapter.setConversationFragment(null);
1680        binding.conversationViewPager.setAdapter(null);
1681        if (conversation != null) conversation.setupViewPager(null, null, false, null);
1682    }
1683
1684    public void quoteText(String text) {
1685        if (binding.textinput.isEnabled()) {
1686            binding.textinput.insertAsQuote(text);
1687            binding.textinput.requestFocus();
1688            InputMethodManager inputMethodManager =
1689                    (InputMethodManager)
1690                            getActivity().getSystemService(Context.INPUT_METHOD_SERVICE);
1691            if (inputMethodManager != null) {
1692                inputMethodManager.showSoftInput(
1693                        binding.textinput, InputMethodManager.SHOW_IMPLICIT);
1694            }
1695        }
1696    }
1697
1698    private void quoteMessage(Message message) {
1699        if (message.isPrivateMessage()) privateMessageWith(message.getCounterpart());
1700        setThread(message.getThread());
1701        conversation.setUserSelectedThread(true);
1702        if (!forkNullThread(message)) newThread();
1703        setupReply(message);
1704    }
1705
1706    private boolean forkNullThread(Message message) {
1707        if (message.getThread() != null || conversation.getMode() != Conversation.MODE_MULTI) return true;
1708        for (final Message m : conversation.findReplies(message.getServerMsgId())) {
1709            final Element thread = m.getThread();
1710            if (thread != null) {
1711                setThread(thread);
1712                return true;
1713            }
1714        }
1715
1716        return false;
1717    }
1718
1719    private void setupReply(Message message) {
1720        conversation.setReplyTo(message);
1721        if (message == null) {
1722            binding.contextPreview.setVisibility(View.GONE);
1723            binding.textsend.setBackgroundResource(R.drawable.textsend);
1724            return;
1725        }
1726
1727        SpannableStringBuilder body = message.getSpannableBody(null, null);
1728        if (message.isFileOrImage() || message.isOOb()) body.append(" 🖼️");
1729        messageListAdapter.handleTextQuotes(binding.contextPreviewText, body);
1730        binding.contextPreviewText.setText(body);
1731        binding.contextPreview.setVisibility(View.VISIBLE);
1732    }
1733
1734    private void setThread(Element thread) {
1735        this.conversation.setThread(thread);
1736        binding.threadIdenticon.setAlpha(0f);
1737        binding.threadIdenticonLock.setVisibility(this.conversation.getLockThread() ? View.VISIBLE : View.GONE);
1738        if (thread != null) {
1739            final String threadId = thread.getContent();
1740            if (threadId != null) {
1741                binding.threadIdenticon.setAlpha(1f);
1742                binding.threadIdenticon.setColor(UIHelper.getColorForName(threadId));
1743                binding.threadIdenticon.setHash(UIHelper.identiconHash(threadId));
1744            }
1745        }
1746        updateSendButton();
1747    }
1748
1749    @Override
1750    public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
1751        // This should cancel any remaining click events that would otherwise trigger links
1752        v.dispatchTouchEvent(MotionEvent.obtain(0, 0, MotionEvent.ACTION_CANCEL, 0f, 0f, 0));
1753
1754        if (v == binding.textSendButton) {
1755            super.onCreateContextMenu(menu, v, menuInfo);
1756            try {
1757                java.lang.reflect.Method m = menu.getClass().getSuperclass().getDeclaredMethod("setOptionalIconsVisible", Boolean.TYPE);
1758                m.setAccessible(true);
1759                m.invoke(menu, true);
1760            } catch (Exception e) {
1761                e.printStackTrace();
1762            }
1763            Menu tmpMenu = new PopupMenu(activity, null).getMenu();
1764            activity.getMenuInflater().inflate(R.menu.fragment_conversation, tmpMenu);
1765            MenuItem attachMenu = tmpMenu.findItem(R.id.action_attach_file);
1766            for (int i = 0; i < attachMenu.getSubMenu().size(); i++) {
1767                MenuItem item = attachMenu.getSubMenu().getItem(i);
1768                MenuItem newItem = menu.add(item.getGroupId(), item.getItemId(), item.getOrder(), item.getTitle());
1769                newItem.setIcon(item.getIcon());
1770            }
1771            ConversationMenuConfigurator.configureAttachmentMenu(conversation, menu, TextUtils.isEmpty(binding.textinput.getText()));
1772            return;
1773        }
1774
1775        synchronized (this.messageList) {
1776            super.onCreateContextMenu(menu, v, menuInfo);
1777            AdapterView.AdapterContextMenuInfo acmi = (AdapterContextMenuInfo) menuInfo;
1778            this.selectedMessage = this.messageList.get(acmi.position);
1779            populateContextMenu(menu);
1780        }
1781    }
1782
1783    private void populateContextMenu(ContextMenu menu) {
1784        final Message m = this.selectedMessage;
1785        final Transferable t = m.getTransferable();
1786        Message relevantForCorrection = m;
1787        while (relevantForCorrection.mergeable(relevantForCorrection.next())) {
1788            relevantForCorrection = relevantForCorrection.next();
1789        }
1790        if (m.getType() != Message.TYPE_STATUS && m.getType() != Message.TYPE_RTP_SESSION) {
1791
1792            if (m.getEncryption() == Message.ENCRYPTION_AXOLOTL_NOT_FOR_THIS_DEVICE
1793                    || m.getEncryption() == Message.ENCRYPTION_AXOLOTL_FAILED) {
1794                return;
1795            }
1796
1797            if (m.getStatus() == Message.STATUS_RECEIVED
1798                    && t != null
1799                    && (t.getStatus() == Transferable.STATUS_CANCELLED
1800                            || t.getStatus() == Transferable.STATUS_FAILED)) {
1801                return;
1802            }
1803
1804            final boolean deleted = m.isDeleted();
1805            final boolean encrypted =
1806                    m.getEncryption() == Message.ENCRYPTION_DECRYPTION_FAILED
1807                            || m.getEncryption() == Message.ENCRYPTION_PGP;
1808            final boolean receiving =
1809                    m.getStatus() == Message.STATUS_RECEIVED
1810                            && (t instanceof JingleFileTransferConnection
1811                                    || t instanceof HttpDownloadConnection);
1812            activity.getMenuInflater().inflate(R.menu.message_context, menu);
1813            final MenuItem reportAndBlock = menu.findItem(R.id.action_report_and_block);
1814            final MenuItem addReaction = menu.findItem(R.id.action_add_reaction);
1815            MenuItem openWith = menu.findItem(R.id.open_with);
1816            MenuItem copyMessage = menu.findItem(R.id.copy_message);
1817            MenuItem quoteMessage = menu.findItem(R.id.quote_message);
1818            MenuItem retryDecryption = menu.findItem(R.id.retry_decryption);
1819            MenuItem correctMessage = menu.findItem(R.id.correct_message);
1820            MenuItem retractMessage = menu.findItem(R.id.retract_message);
1821            MenuItem moderateMessage = menu.findItem(R.id.moderate_message);
1822            MenuItem onlyThisThread = menu.findItem(R.id.only_this_thread);
1823            MenuItem shareWith = menu.findItem(R.id.share_with);
1824            MenuItem sendAgain = menu.findItem(R.id.send_again);
1825            MenuItem copyUrl = menu.findItem(R.id.copy_url);
1826            MenuItem saveAsSticker = menu.findItem(R.id.save_as_sticker);
1827            MenuItem downloadFile = menu.findItem(R.id.download_file);
1828            MenuItem cancelTransmission = menu.findItem(R.id.cancel_transmission);
1829            MenuItem blockMedia = menu.findItem(R.id.block_media);
1830            MenuItem deleteFile = menu.findItem(R.id.delete_file);
1831            MenuItem showErrorMessage = menu.findItem(R.id.show_error_message);
1832            onlyThisThread.setVisible(!conversation.getLockThread() && m.getThread() != null);
1833            final boolean unInitiatedButKnownSize = MessageUtils.unInitiatedButKnownSize(m);
1834            final boolean showError =
1835                    m.getStatus() == Message.STATUS_SEND_FAILED
1836                            && m.getErrorMessage() != null
1837                            && !Message.ERROR_MESSAGE_CANCELLED.equals(m.getErrorMessage());
1838            final Conversational conversational = m.getConversation();
1839            if (m.getStatus() == Message.STATUS_RECEIVED && conversational instanceof Conversation c) {
1840                final XmppConnection connection = c.getAccount().getXmppConnection();
1841                if (c.isWithStranger()
1842                        && m.getServerMsgId() != null
1843                        && !c.isBlocked()
1844                        && connection != null
1845                        && connection.getFeatures().spamReporting()) {
1846                    reportAndBlock.setVisible(true);
1847                }
1848            }
1849            if (!encrypted && !m.getBody().equals("")) {
1850                addReaction.setVisible(!showError && !m.isDeleted());
1851            }
1852            if (!m.isFileOrImage()
1853                    && !encrypted
1854                    && !m.isGeoUri()
1855                    && !m.treatAsDownloadable()
1856                    && !unInitiatedButKnownSize
1857                    && t == null) {
1858                copyMessage.setVisible(true);
1859            }
1860            quoteMessage.setVisible(!encrypted && !showError);
1861            if (m.getEncryption() == Message.ENCRYPTION_DECRYPTION_FAILED && !deleted) {
1862                retryDecryption.setVisible(true);
1863            }
1864            if (!showError
1865                    && relevantForCorrection.getType() == Message.TYPE_TEXT
1866                    && relevantForCorrection.isEditable()
1867                    && !m.isGeoUri()
1868                    && m.getConversation() instanceof Conversation) {
1869                correctMessage.setVisible(true);
1870                if (!relevantForCorrection.getBody().equals("") && !relevantForCorrection.getBody().equals(" ")) retractMessage.setVisible(true);
1871            }
1872            if (relevantForCorrection.getStatus() == Message.STATUS_WAITING) {
1873                correctMessage.setVisible(true);
1874                retractMessage.setVisible(true);
1875            }
1876            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")) {
1877                moderateMessage.setVisible(true);
1878            }
1879            if ((m.isFileOrImage() && !deleted && !receiving)
1880                    || (m.getType() == Message.TYPE_TEXT && !m.treatAsDownloadable())
1881                            && !unInitiatedButKnownSize
1882                            && t == null) {
1883                shareWith.setVisible(true);
1884            }
1885            if (m.getStatus() == Message.STATUS_SEND_FAILED) {
1886                sendAgain.setVisible(true);
1887            }
1888            if (m.hasFileOnRemoteHost()
1889                    || m.isGeoUri()
1890                    || m.treatAsDownloadable()
1891                    || unInitiatedButKnownSize
1892                    || t instanceof HttpDownloadConnection) {
1893                copyUrl.setVisible(true);
1894            }
1895            if (m.isFileOrImage() && deleted && m.hasFileOnRemoteHost()) {
1896                downloadFile.setVisible(true);
1897                downloadFile.setTitle(
1898                        activity.getString(
1899                                R.string.download_x_file,
1900                                UIHelper.getFileDescriptionString(activity, m)));
1901            }
1902            final boolean waitingOfferedSending =
1903                    m.getStatus() == Message.STATUS_WAITING
1904                            || m.getStatus() == Message.STATUS_UNSEND
1905                            || m.getStatus() == Message.STATUS_OFFERED;
1906            final boolean cancelable =
1907                    (t != null && !deleted) || waitingOfferedSending && m.needsUploading();
1908            if (cancelable) {
1909                cancelTransmission.setVisible(true);
1910            }
1911            if (m.isFileOrImage() && !deleted && !cancelable) {
1912                final String path = m.getRelativeFilePath();
1913                if (path != null) {
1914                    final var file = new File(path);
1915                    if (file.canRead()) saveAsSticker.setVisible(true);
1916                    blockMedia.setVisible(true);
1917                    if (file.canWrite()) deleteFile.setVisible(true);
1918                    deleteFile.setTitle(
1919                            activity.getString(
1920                                    R.string.delete_x_file,
1921                                    UIHelper.getFileDescriptionString(activity, m)));
1922                }
1923            }
1924
1925            if (m.getFileParams() != null && !m.getFileParams().getThumbnails().isEmpty()) {
1926                // We might be showing a thumbnail worth blocking
1927                blockMedia.setVisible(true);
1928            }
1929            if (showError) {
1930                showErrorMessage.setVisible(true);
1931            }
1932            final String mime = m.isFileOrImage() ? m.getMimeType() : null;
1933            if ((m.isGeoUri() && GeoHelper.openInOsmAnd(getActivity(), m))
1934                    || (mime != null && mime.startsWith("audio/"))) {
1935                openWith.setVisible(true);
1936            }
1937        }
1938    }
1939
1940    @Override
1941    public boolean onContextItemSelected(MenuItem item) {
1942        switch (item.getItemId()) {
1943            case R.id.share_with:
1944                ShareUtil.share(activity, selectedMessage);
1945                return true;
1946            case R.id.correct_message:
1947                correctMessage(selectedMessage);
1948                return true;
1949            case R.id.retract_message:
1950                new AlertDialog.Builder(activity)
1951                    .setTitle(R.string.retract_message)
1952                    .setMessage("Do you really want to retract this message?")
1953                    .setPositiveButton(R.string.yes, (dialog, whichButton) -> {
1954                        Message message = selectedMessage;
1955                        while (message.mergeable(message.next())) {
1956                            message = message.next();
1957                        }
1958                        if (message.getStatus() == Message.STATUS_WAITING || message.getStatus() == Message.STATUS_OFFERED) {
1959                            activity.xmppConnectionService.deleteMessage(message);
1960                            return;
1961                        }
1962                        Element reactions = message.getReactionsEl();
1963                        if (reactions != null) {
1964                            final Message previousReaction = conversation.findMessageReactingTo(reactions.getAttribute("id"), null);
1965                            if (previousReaction != null) reactions = previousReaction.getReactionsEl();
1966                            for (Element el : reactions.getChildren()) {
1967                                if (message.getRawBody().endsWith(el.getContent())) {
1968                                    reactions.removeChild(el);
1969                                }
1970                            }
1971                            message.setReactions(reactions);
1972                            if (previousReaction != null) {
1973                                previousReaction.setReactions(reactions);
1974                                activity.xmppConnectionService.updateMessage(previousReaction);
1975                            }
1976                        } else {
1977                            message.setInReplyTo(null);
1978                            message.clearPayloads();
1979                        }
1980                        message.setBody(" ");
1981                        message.setSubject(null);
1982                        message.putEdited(message.getUuid(), message.getServerMsgId());
1983                        message.setServerMsgId(null);
1984                        message.setUuid(UUID.randomUUID().toString());
1985                        sendMessage(message);
1986                    })
1987                    .setNegativeButton(R.string.no, null).show();
1988                return true;
1989            case R.id.moderate_message:
1990                activity.quickEdit("Spam", (reason) -> {
1991                    Message message = selectedMessage;
1992                    do {
1993                        activity.xmppConnectionService.moderateMessage(conversation.getAccount(), message, reason);
1994                        message = message.mergeable(message.next()) ? message.next() : null;
1995                    } while (message != null);
1996                    return null;
1997                }, R.string.moderate_reason, false, false, true, true);
1998                return true;
1999            case R.id.copy_message:
2000                ShareUtil.copyToClipboard(activity, selectedMessage);
2001                return true;
2002            case R.id.quote_message:
2003                quoteMessage(selectedMessage);
2004                return true;
2005            case R.id.send_again:
2006                resendMessage(selectedMessage);
2007                return true;
2008            case R.id.copy_url:
2009                ShareUtil.copyUrlToClipboard(activity, selectedMessage);
2010                return true;
2011            case R.id.save_as_sticker:
2012                saveAsSticker(selectedMessage);
2013                return true;
2014            case R.id.download_file:
2015                startDownloadable(selectedMessage);
2016                return true;
2017            case R.id.cancel_transmission:
2018                cancelTransmission(selectedMessage);
2019                return true;
2020            case R.id.retry_decryption:
2021                retryDecryption(selectedMessage);
2022                return true;
2023            case R.id.block_media:
2024                new AlertDialog.Builder(activity)
2025                    .setTitle(R.string.block_media)
2026                    .setMessage("Do you really want to block this media in all messages?")
2027                    .setPositiveButton(R.string.yes, (dialog, whichButton) -> {
2028                        List<Element> thumbs = selectedMessage.getFileParams() != null ? selectedMessage.getFileParams().getThumbnails() : null;
2029                        if (thumbs != null && !thumbs.isEmpty()) {
2030                            for (Element thumb : thumbs) {
2031                                Uri uri = Uri.parse(thumb.getAttribute("uri"));
2032                                if (uri.getScheme().equals("cid")) {
2033                                    Cid cid = BobTransfer.cid(uri);
2034                                    if (cid == null) continue;
2035                                    DownloadableFile f = activity.xmppConnectionService.getFileForCid(cid);
2036                                    activity.xmppConnectionService.blockMedia(f);
2037                                    activity.xmppConnectionService.evictPreview(f);
2038                                    f.delete();
2039                                }
2040                            }
2041                        }
2042                        File f = activity.xmppConnectionService.getFileBackend().getFile(selectedMessage);
2043                        activity.xmppConnectionService.blockMedia(f);
2044                        activity.xmppConnectionService.getFileBackend().deleteFile(selectedMessage);
2045                        activity.xmppConnectionService.evictPreview(f);
2046                        activity.xmppConnectionService.updateMessage(selectedMessage, false);
2047                        activity.onConversationsListItemUpdated();
2048                        refresh();
2049                    })
2050                    .setNegativeButton(R.string.no, null).show();
2051                return true;
2052            case R.id.delete_file:
2053                deleteFile(selectedMessage);
2054                return true;
2055            case R.id.show_error_message:
2056                showErrorMessage(selectedMessage);
2057                return true;
2058            case R.id.open_with:
2059                openWith(selectedMessage);
2060                return true;
2061            case R.id.only_this_thread:
2062                conversation.setLockThread(true);
2063                backPressedLeaveSingleThread.setEnabled(true);
2064                setThread(selectedMessage.getThread());
2065                refresh();
2066                return true;
2067            case R.id.action_report_and_block:
2068                reportMessage(selectedMessage);
2069                return true;
2070            case R.id.action_add_reaction:
2071                addReaction(selectedMessage);
2072                return true;
2073            default:
2074                return onOptionsItemSelected(item);
2075        }
2076    }
2077
2078    @Override
2079    public boolean onOptionsItemSelected(final MenuItem item) {
2080        if (MenuDoubleTabUtil.shouldIgnoreTap()) {
2081            return false;
2082        } else if (conversation == null) {
2083            return super.onOptionsItemSelected(item);
2084        }
2085        switch (item.getItemId()) {
2086            case R.id.encryption_choice_axolotl:
2087            case R.id.encryption_choice_pgp:
2088            case R.id.encryption_choice_none:
2089                handleEncryptionSelection(item);
2090                break;
2091            case R.id.attach_choose_picture:
2092            case R.id.attach_take_picture:
2093            case R.id.attach_record_video:
2094            case R.id.attach_choose_file:
2095            case R.id.attach_record_voice:
2096            case R.id.attach_location:
2097                handleAttachmentSelection(item);
2098                break;
2099            case R.id.attach_webxdc:
2100                final Intent intent = new Intent(getActivity(), WebxdcStore.class);
2101                startActivityForResult(intent, REQUEST_WEBXDC_STORE);
2102                break;
2103            case R.id.attach_subject:
2104                binding.textinputSubject.setVisibility(binding.textinputSubject.getVisibility() == View.GONE ? View.VISIBLE : View.GONE);
2105                break;
2106            case R.id.attach_schedule:
2107                scheduleMessage();
2108                break;
2109            case R.id.action_search:
2110                startSearch();
2111                break;
2112            case R.id.action_archive:
2113                activity.xmppConnectionService.archiveConversation(conversation);
2114                break;
2115            case R.id.action_contact_details:
2116                activity.switchToContactDetails(conversation.getContact());
2117                break;
2118            case R.id.action_muc_details:
2119                ConferenceDetailsActivity.open(activity, conversation);
2120                break;
2121            case R.id.action_invite:
2122                startActivityForResult(
2123                        ChooseContactActivity.create(activity, conversation),
2124                        REQUEST_INVITE_TO_CONVERSATION);
2125                break;
2126            case R.id.action_clear_history:
2127                clearHistoryDialog(conversation);
2128                break;
2129            case R.id.action_mute:
2130                muteConversationDialog(conversation);
2131                break;
2132            case R.id.action_unmute:
2133                unMuteConversation(conversation);
2134                break;
2135            case R.id.action_block:
2136            case R.id.action_unblock:
2137                BlockContactDialog.show(activity, conversation);
2138                break;
2139            case R.id.action_audio_call:
2140                checkPermissionAndTriggerAudioCall();
2141                break;
2142            case R.id.action_video_call:
2143                checkPermissionAndTriggerVideoCall();
2144                break;
2145            case R.id.action_ongoing_call:
2146                returnToOngoingCall();
2147                break;
2148            case R.id.action_toggle_pinned:
2149                togglePinned();
2150                break;
2151            case R.id.action_add_shortcut:
2152                addShortcut();
2153                break;
2154            case R.id.action_block_avatar:
2155                new AlertDialog.Builder(activity)
2156                    .setTitle(R.string.block_media)
2157                    .setMessage("Do you really want to block this avatar?")
2158                    .setPositiveButton(R.string.yes, (dialog, whichButton) -> {
2159                            activity.xmppConnectionService.blockMedia(activity.xmppConnectionService.getFileBackend().getAvatarFile(conversation.getContact().getAvatarFilename()));
2160                            activity.xmppConnectionService.getFileBackend().getAvatarFile(conversation.getContact().getAvatarFilename()).delete();
2161                            activity.avatarService().clear(conversation);
2162                            conversation.getContact().setAvatar(null);
2163                            activity.xmppConnectionService.updateConversationUi();
2164                    })
2165                    .setNegativeButton(R.string.no, null).show();
2166            case R.id.action_refresh_feature_discovery:
2167                refreshFeatureDiscovery();
2168                break;
2169            default:
2170                break;
2171        }
2172        return super.onOptionsItemSelected(item);
2173    }
2174
2175    public boolean onBackPressed() {
2176        boolean wasLocked = conversation.getLockThread();
2177        conversation.setLockThread(false);
2178        backPressedLeaveSingleThread.setEnabled(false);
2179        if (wasLocked) {
2180            setThread(null);
2181            conversation.setUserSelectedThread(false);
2182            refresh();
2183            updateThreadFromLastMessage();
2184            return true;
2185        }
2186        return false;
2187    }
2188
2189    private void startSearch() {
2190        final Intent intent = new Intent(getActivity(), SearchActivity.class);
2191        intent.putExtra(SearchActivity.EXTRA_CONVERSATION_UUID, conversation.getUuid());
2192        startActivity(intent);
2193    }
2194
2195    private void scheduleMessage() {
2196        if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.N) {
2197            final var datePicker = com.google.android.material.datepicker.MaterialDatePicker.Builder.datePicker()
2198                .setTitleText("Schedule Message")
2199                .setSelection(com.google.android.material.datepicker.MaterialDatePicker.todayInUtcMilliseconds())
2200                .setCalendarConstraints(
2201                    new com.google.android.material.datepicker.CalendarConstraints.Builder()
2202                        .setStart(com.google.android.material.datepicker.MaterialDatePicker.todayInUtcMilliseconds())
2203                        .build()
2204                 )
2205                .build();
2206            datePicker.addOnPositiveButtonClickListener((date) -> {
2207                final Calendar now = Calendar.getInstance();
2208                final var timePicker = new com.google.android.material.timepicker.MaterialTimePicker.Builder()
2209                    .setTitleText("Schedule Message")
2210                    .setHour(now.get(Calendar.HOUR_OF_DAY))
2211                    .setMinute(now.get(Calendar.MINUTE))
2212                    .setTimeFormat(android.text.format.DateFormat.is24HourFormat(activity) ? com.google.android.material.timepicker.TimeFormat.CLOCK_24H : com.google.android.material.timepicker.TimeFormat.CLOCK_12H)
2213                    .build();
2214                timePicker.addOnPositiveButtonClickListener((v2) -> {
2215                        final var dateCal = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
2216                        dateCal.setTimeInMillis(date);
2217                        final var time = Calendar.getInstance();
2218                        time.set(dateCal.get(Calendar.YEAR), dateCal.get(Calendar.MONTH), dateCal.get(Calendar.DAY_OF_MONTH), timePicker.getHour(), timePicker.getMinute(), 0);
2219                        final long timestamp = time.getTimeInMillis();
2220                        sendMessage(timestamp);
2221                        Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": scheduled message for " + timestamp);
2222                    });
2223                timePicker.show(activity.getSupportFragmentManager(), "schedulMessageTime");
2224            });
2225            datePicker.show(activity.getSupportFragmentManager(), "schedulMessageDate");
2226        }
2227    }
2228
2229    private void returnToOngoingCall() {
2230        final Optional<OngoingRtpSession> ongoingRtpSession =
2231                activity.xmppConnectionService
2232                        .getJingleConnectionManager()
2233                        .getOngoingRtpConnection(conversation.getContact());
2234        if (ongoingRtpSession.isPresent()) {
2235            final OngoingRtpSession id = ongoingRtpSession.get();
2236            final Intent intent = new Intent(getActivity(), RtpSessionActivity.class);
2237            intent.setAction(Intent.ACTION_VIEW);
2238            intent.putExtra(
2239                    RtpSessionActivity.EXTRA_ACCOUNT,
2240                    id.getAccount().getJid().asBareJid().toEscapedString());
2241            intent.putExtra(RtpSessionActivity.EXTRA_WITH, id.getWith().toEscapedString());
2242            if (id instanceof AbstractJingleConnection) {
2243                intent.putExtra(RtpSessionActivity.EXTRA_SESSION_ID, id.getSessionId());
2244                startActivity(intent);
2245            } else if (id instanceof JingleConnectionManager.RtpSessionProposal proposal) {
2246                if (Media.audioOnly(proposal.media)) {
2247                    intent.putExtra(
2248                            RtpSessionActivity.EXTRA_LAST_ACTION,
2249                            RtpSessionActivity.ACTION_MAKE_VOICE_CALL);
2250                } else {
2251                    intent.putExtra(
2252                            RtpSessionActivity.EXTRA_LAST_ACTION,
2253                            RtpSessionActivity.ACTION_MAKE_VIDEO_CALL);
2254                }
2255                intent.putExtra(RtpSessionActivity.EXTRA_PROPOSED_SESSION_ID, proposal.sessionId);
2256                startActivity(intent);
2257            }
2258        }
2259    }
2260
2261    private void refreshFeatureDiscovery() {
2262        Set<Map.Entry<String, Presence>> presences = conversation.getContact().getPresences().getPresencesMap().entrySet();
2263        if (presences.isEmpty()) {
2264            presences = new HashSet<>();
2265            presences.add(new AbstractMap.SimpleEntry("", null));
2266        }
2267        for (Map.Entry<String, Presence> entry : presences) {
2268            Jid jid = conversation.getContact().getJid();
2269            if (!entry.getKey().equals("")) jid = jid.withResource(entry.getKey());
2270            activity.xmppConnectionService.fetchCaps(conversation.getAccount(), jid, entry.getValue(), () -> {
2271                if (activity == null) return;
2272                activity.runOnUiThread(() -> {
2273                    refresh();
2274                    refreshCommands(true);
2275                });
2276            });
2277        }
2278    }
2279
2280    private void addShortcut() {
2281        ShortcutInfoCompat info;
2282        if (conversation.getMode() == Conversation.MODE_MULTI) {
2283            info = activity.xmppConnectionService.getShortcutService().getShortcutInfoCompat(conversation.getMucOptions());
2284        } else {
2285            info = activity.xmppConnectionService.getShortcutService().getShortcutInfoCompat(conversation.getContact());
2286        }
2287        ShortcutManagerCompat.requestPinShortcut(activity, info, null);
2288    }
2289
2290    private void togglePinned() {
2291        final boolean pinned =
2292                conversation.getBooleanAttribute(Conversation.ATTRIBUTE_PINNED_ON_TOP, false);
2293        conversation.setAttribute(Conversation.ATTRIBUTE_PINNED_ON_TOP, !pinned);
2294        activity.xmppConnectionService.updateConversation(conversation);
2295        activity.invalidateOptionsMenu();
2296    }
2297
2298    private void checkPermissionAndTriggerAudioCall() {
2299        if (activity.mUseTor || conversation.getAccount().isOnion()) {
2300            Toast.makeText(activity, R.string.disable_tor_to_make_call, Toast.LENGTH_SHORT).show();
2301            return;
2302        }
2303        final List<String> permissions;
2304        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
2305            permissions =
2306                    Arrays.asList(
2307                            Manifest.permission.RECORD_AUDIO,
2308                            Manifest.permission.BLUETOOTH_CONNECT);
2309        } else {
2310            permissions = Collections.singletonList(Manifest.permission.RECORD_AUDIO);
2311        }
2312        if (hasPermissions(REQUEST_START_AUDIO_CALL, permissions)) {
2313            triggerRtpSession(RtpSessionActivity.ACTION_MAKE_VOICE_CALL);
2314        }
2315    }
2316
2317    private void checkPermissionAndTriggerVideoCall() {
2318        if (activity.mUseTor || conversation.getAccount().isOnion()) {
2319            Toast.makeText(activity, R.string.disable_tor_to_make_call, Toast.LENGTH_SHORT).show();
2320            return;
2321        }
2322        final List<String> permissions;
2323        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
2324            permissions =
2325                    Arrays.asList(
2326                            Manifest.permission.RECORD_AUDIO,
2327                            Manifest.permission.CAMERA,
2328                            Manifest.permission.BLUETOOTH_CONNECT);
2329        } else {
2330            permissions =
2331                    Arrays.asList(Manifest.permission.RECORD_AUDIO, Manifest.permission.CAMERA);
2332        }
2333        if (hasPermissions(REQUEST_START_VIDEO_CALL, permissions)) {
2334            triggerRtpSession(RtpSessionActivity.ACTION_MAKE_VIDEO_CALL);
2335        }
2336    }
2337
2338    private void triggerRtpSession(final String action) {
2339        if (activity.xmppConnectionService.getJingleConnectionManager().isBusy()) {
2340            Toast.makeText(getActivity(), R.string.only_one_call_at_a_time, Toast.LENGTH_LONG)
2341                    .show();
2342            return;
2343        }
2344        final Account account = conversation.getAccount();
2345        if (account.setOption(Account.OPTION_SOFT_DISABLED, false)) {
2346            activity.xmppConnectionService.updateAccount(account);
2347        }
2348        final Contact contact = conversation.getContact();
2349        if (Config.USE_JINGLE_MESSAGE_INIT && RtpCapability.jmiSupport(contact)) {
2350            triggerRtpSession(contact.getAccount(), contact.getJid().asBareJid(), action);
2351        } else {
2352            final RtpCapability.Capability capability;
2353            if (action.equals(RtpSessionActivity.ACTION_MAKE_VIDEO_CALL)) {
2354                capability = RtpCapability.Capability.VIDEO;
2355            } else {
2356                capability = RtpCapability.Capability.AUDIO;
2357            }
2358            PresenceSelector.selectFullJidForDirectRtpConnection(
2359                    activity,
2360                    contact,
2361                    capability,
2362                    fullJid -> {
2363                        triggerRtpSession(contact.getAccount(), fullJid, action);
2364                    });
2365        }
2366    }
2367
2368    private void triggerRtpSession(final Account account, final Jid with, final String action) {
2369        CallIntegrationConnectionService.placeCall(activity.xmppConnectionService, account,with,RtpSessionActivity.actionToMedia(action));
2370    }
2371
2372    private void handleAttachmentSelection(MenuItem item) {
2373        switch (item.getItemId()) {
2374            case R.id.attach_choose_picture:
2375                attachFile(ATTACHMENT_CHOICE_CHOOSE_IMAGE);
2376                break;
2377            case R.id.attach_take_picture:
2378                attachFile(ATTACHMENT_CHOICE_TAKE_PHOTO);
2379                break;
2380            case R.id.attach_record_video:
2381                attachFile(ATTACHMENT_CHOICE_RECORD_VIDEO);
2382                break;
2383            case R.id.attach_choose_file:
2384                attachFile(ATTACHMENT_CHOICE_CHOOSE_FILE);
2385                break;
2386            case R.id.attach_record_voice:
2387                attachFile(ATTACHMENT_CHOICE_RECORD_VOICE);
2388                break;
2389            case R.id.attach_location:
2390                attachFile(ATTACHMENT_CHOICE_LOCATION);
2391                break;
2392        }
2393    }
2394
2395    private void handleEncryptionSelection(MenuItem item) {
2396        if (conversation == null) {
2397            return;
2398        }
2399        final boolean updated;
2400        switch (item.getItemId()) {
2401            case R.id.encryption_choice_none:
2402                updated = conversation.setNextEncryption(Message.ENCRYPTION_NONE);
2403                item.setChecked(true);
2404                break;
2405            case R.id.encryption_choice_pgp:
2406                if (activity.hasPgp()) {
2407                    if (conversation.getAccount().getPgpSignature() != null) {
2408                        updated = conversation.setNextEncryption(Message.ENCRYPTION_PGP);
2409                        item.setChecked(true);
2410                    } else {
2411                        updated = false;
2412                        activity.announcePgp(
2413                                conversation.getAccount(),
2414                                conversation,
2415                                null,
2416                                activity.onOpenPGPKeyPublished);
2417                    }
2418                } else {
2419                    activity.showInstallPgpDialog();
2420                    updated = false;
2421                }
2422                break;
2423            case R.id.encryption_choice_axolotl:
2424                Log.d(
2425                        Config.LOGTAG,
2426                        AxolotlService.getLogprefix(conversation.getAccount())
2427                                + "Enabled axolotl for Contact "
2428                                + conversation.getContact().getJid());
2429                updated = conversation.setNextEncryption(Message.ENCRYPTION_AXOLOTL);
2430                item.setChecked(true);
2431                break;
2432            default:
2433                updated = conversation.setNextEncryption(Message.ENCRYPTION_NONE);
2434                break;
2435        }
2436        if (updated) {
2437            activity.xmppConnectionService.updateConversation(conversation);
2438        }
2439        updateChatMsgHint();
2440        getActivity().invalidateOptionsMenu();
2441        activity.refreshUi();
2442    }
2443
2444    public void attachFile(final int attachmentChoice) {
2445        attachFile(attachmentChoice, true);
2446    }
2447
2448    public void attachFile(final int attachmentChoice, final boolean updateRecentlyUsed) {
2449        if (attachmentChoice == ATTACHMENT_CHOICE_RECORD_VOICE) {
2450            if (!hasPermissions(
2451                    attachmentChoice,
2452                    Manifest.permission.WRITE_EXTERNAL_STORAGE,
2453                    Manifest.permission.RECORD_AUDIO)) {
2454                return;
2455            }
2456        } else if (attachmentChoice == ATTACHMENT_CHOICE_TAKE_PHOTO
2457                || attachmentChoice == ATTACHMENT_CHOICE_RECORD_VIDEO) {
2458            if (!hasPermissions(
2459                    attachmentChoice,
2460                    Manifest.permission.WRITE_EXTERNAL_STORAGE,
2461                    Manifest.permission.CAMERA)) {
2462                return;
2463            }
2464        } else if (attachmentChoice != ATTACHMENT_CHOICE_LOCATION) {
2465            if (!hasPermissions(attachmentChoice, Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
2466                return;
2467            }
2468        }
2469        if (updateRecentlyUsed) {
2470            storeRecentlyUsedQuickAction(attachmentChoice);
2471        }
2472        final int encryption = conversation.getNextEncryption();
2473        final int mode = conversation.getMode();
2474        if (encryption == Message.ENCRYPTION_PGP) {
2475            if (activity.hasPgp()) {
2476                if (mode == Conversation.MODE_SINGLE
2477                        && conversation.getContact().getPgpKeyId() != 0) {
2478                    activity.xmppConnectionService
2479                            .getPgpEngine()
2480                            .hasKey(
2481                                    conversation.getContact(),
2482                                    new UiCallback<Contact>() {
2483
2484                                        @Override
2485                                        public void userInputRequired(
2486                                                PendingIntent pi, Contact contact) {
2487                                            startPendingIntent(pi, attachmentChoice);
2488                                        }
2489
2490                                        @Override
2491                                        public void success(Contact contact) {
2492                                            invokeAttachFileIntent(attachmentChoice);
2493                                        }
2494
2495                                        @Override
2496                                        public void error(int error, Contact contact) {
2497                                            activity.replaceToast(getString(error));
2498                                        }
2499                                    });
2500                } else if (mode == Conversation.MODE_MULTI
2501                        && conversation.getMucOptions().pgpKeysInUse()) {
2502                    if (!conversation.getMucOptions().everybodyHasKeys()) {
2503                        Toast warning =
2504                                Toast.makeText(
2505                                        getActivity(),
2506                                        R.string.missing_public_keys,
2507                                        Toast.LENGTH_LONG);
2508                        warning.setGravity(Gravity.CENTER_VERTICAL, 0, 0);
2509                        warning.show();
2510                    }
2511                    invokeAttachFileIntent(attachmentChoice);
2512                } else {
2513                    showNoPGPKeyDialog(
2514                            false,
2515                            (dialog, which) -> {
2516                                conversation.setNextEncryption(Message.ENCRYPTION_NONE);
2517                                activity.xmppConnectionService.updateConversation(conversation);
2518                                invokeAttachFileIntent(attachmentChoice);
2519                            });
2520                }
2521            } else {
2522                activity.showInstallPgpDialog();
2523            }
2524        } else {
2525            invokeAttachFileIntent(attachmentChoice);
2526        }
2527    }
2528
2529    private void storeRecentlyUsedQuickAction(final int attachmentChoice) {
2530        try {
2531            activity.getPreferences()
2532                    .edit()
2533                    .putString(
2534                            RECENTLY_USED_QUICK_ACTION,
2535                            SendButtonAction.of(attachmentChoice).toString())
2536                    .apply();
2537        } catch (IllegalArgumentException e) {
2538            // just do not save
2539        }
2540    }
2541
2542    @Override
2543    public void onRequestPermissionsResult(
2544            int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
2545        final PermissionUtils.PermissionResult permissionResult =
2546                PermissionUtils.removeBluetoothConnect(permissions, grantResults);
2547        if (grantResults.length > 0) {
2548            if (allGranted(permissionResult.grantResults)) {
2549                switch (requestCode) {
2550                    case REQUEST_START_DOWNLOAD:
2551                        if (this.mPendingDownloadableMessage != null) {
2552                            startDownloadable(this.mPendingDownloadableMessage);
2553                        }
2554                        break;
2555                    case REQUEST_ADD_EDITOR_CONTENT:
2556                        if (this.mPendingEditorContent != null) {
2557                            attachEditorContentToConversation(this.mPendingEditorContent);
2558                        }
2559                        break;
2560                    case REQUEST_COMMIT_ATTACHMENTS:
2561                        commitAttachments();
2562                        break;
2563                    case REQUEST_START_AUDIO_CALL:
2564                        triggerRtpSession(RtpSessionActivity.ACTION_MAKE_VOICE_CALL);
2565                        break;
2566                    case REQUEST_START_VIDEO_CALL:
2567                        triggerRtpSession(RtpSessionActivity.ACTION_MAKE_VIDEO_CALL);
2568                        break;
2569                    default:
2570                        attachFile(requestCode);
2571                        break;
2572                }
2573            } else {
2574                @StringRes int res;
2575                String firstDenied =
2576                        getFirstDenied(permissionResult.grantResults, permissionResult.permissions);
2577                if (Manifest.permission.RECORD_AUDIO.equals(firstDenied)) {
2578                    res = R.string.no_microphone_permission;
2579                } else if (Manifest.permission.CAMERA.equals(firstDenied)) {
2580                    res = R.string.no_camera_permission;
2581                } else {
2582                    res = R.string.no_storage_permission;
2583                }
2584                Toast.makeText(
2585                                getActivity(),
2586                                getString(res, getString(R.string.app_name)),
2587                                Toast.LENGTH_SHORT)
2588                        .show();
2589            }
2590        }
2591        if (writeGranted(grantResults, permissions)) {
2592            if (activity != null && activity.xmppConnectionService != null) {
2593                activity.xmppConnectionService.getDrawableCache().evictAll();
2594                activity.xmppConnectionService.restartFileObserver();
2595            }
2596            refresh();
2597        }
2598        if (cameraGranted(grantResults, permissions) || audioGranted(grantResults, permissions)) {
2599            XmppConnectionService.toggleForegroundService(activity);
2600        }
2601    }
2602
2603    public void startDownloadable(Message message) {
2604        if (!hasPermissions(REQUEST_START_DOWNLOAD, Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
2605            this.mPendingDownloadableMessage = message;
2606            return;
2607        }
2608        Transferable transferable = message.getTransferable();
2609        if (transferable != null) {
2610            if (transferable instanceof TransferablePlaceholder && message.hasFileOnRemoteHost()) {
2611                createNewConnection(message);
2612                return;
2613            }
2614            if (!transferable.start()) {
2615                Log.d(Config.LOGTAG, "type: " + transferable.getClass().getName());
2616                Toast.makeText(getActivity(), R.string.not_connected_try_again, Toast.LENGTH_SHORT)
2617                        .show();
2618            }
2619        } else if (message.treatAsDownloadable()
2620                || message.hasFileOnRemoteHost()
2621                || MessageUtils.unInitiatedButKnownSize(message)) {
2622            createNewConnection(message);
2623        } else {
2624            Log.d(
2625                    Config.LOGTAG,
2626                    message.getConversation().getAccount() + ": unable to start downloadable");
2627        }
2628    }
2629
2630    private void createNewConnection(final Message message) {
2631        if (!activity.xmppConnectionService.hasInternetConnection()) {
2632            Toast.makeText(getActivity(), R.string.not_connected_try_again, Toast.LENGTH_SHORT)
2633                    .show();
2634            return;
2635        }
2636        if (message.getOob() != null && "cid".equalsIgnoreCase(message.getOob().getScheme())) {
2637            try {
2638                BobTransfer transfer = new BobTransfer.ForMessage(message, activity.xmppConnectionService);
2639                message.setTransferable(transfer);
2640                transfer.start();
2641            } catch (URISyntaxException e) {
2642                Log.d(Config.LOGTAG, "BobTransfer failed to parse URI");
2643            }
2644        } else {
2645            activity.xmppConnectionService
2646                    .getHttpConnectionManager()
2647                    .createNewDownloadConnection(message, true);
2648        }
2649    }
2650
2651    @SuppressLint("InflateParams")
2652    protected void clearHistoryDialog(final Conversation conversation) {
2653        final MaterialAlertDialogBuilder builder = new MaterialAlertDialogBuilder(requireActivity());
2654        builder.setTitle(R.string.clear_conversation_history);
2655        final View dialogView =
2656                requireActivity().getLayoutInflater().inflate(R.layout.dialog_clear_history, null);
2657        final CheckBox endConversationCheckBox =
2658                dialogView.findViewById(R.id.end_conversation_checkbox);
2659        builder.setView(dialogView);
2660        builder.setNegativeButton(getString(R.string.cancel), null);
2661        builder.setPositiveButton(
2662                getString(R.string.confirm),
2663                (dialog, which) -> {
2664                    this.activity.xmppConnectionService.clearConversationHistory(conversation);
2665                    if (endConversationCheckBox.isChecked()) {
2666                        this.activity.xmppConnectionService.archiveConversation(conversation);
2667                        this.activity.onConversationArchived(conversation);
2668                    } else {
2669                        activity.onConversationsListItemUpdated();
2670                        refresh();
2671                    }
2672                });
2673        builder.create().show();
2674    }
2675
2676    protected void muteConversationDialog(final Conversation conversation) {
2677        final MaterialAlertDialogBuilder builder = new MaterialAlertDialogBuilder(requireActivity());
2678        builder.setTitle(R.string.disable_notifications);
2679        final int[] durations = activity.getResources().getIntArray(R.array.mute_options_durations);
2680        final CharSequence[] labels = new CharSequence[durations.length];
2681        for (int i = 0; i < durations.length; ++i) {
2682            if (durations[i] == -1) {
2683                labels[i] = activity.getString(R.string.until_further_notice);
2684            } else {
2685                labels[i] = TimeFrameUtils.resolve(activity, 1000L * durations[i]);
2686            }
2687        }
2688        builder.setItems(
2689                labels,
2690                (dialog, which) -> {
2691                    final long till;
2692                    if (durations[which] == -1) {
2693                        till = Long.MAX_VALUE;
2694                    } else {
2695                        till = System.currentTimeMillis() + (durations[which] * 1000L);
2696                    }
2697                    conversation.setMutedTill(till);
2698                    activity.xmppConnectionService.updateConversation(conversation);
2699                    activity.onConversationsListItemUpdated();
2700                    refresh();
2701                    activity.invalidateOptionsMenu();
2702                });
2703        builder.create().show();
2704    }
2705
2706    private boolean hasPermissions(int requestCode, List<String> permissions) {
2707        final List<String> missingPermissions = new ArrayList<>();
2708        for (String permission : permissions) {
2709            if ((Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU || Config.ONLY_INTERNAL_STORAGE) && permission.equals(Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
2710                continue;
2711            }
2712            if (activity.checkSelfPermission(permission) != PackageManager.PERMISSION_GRANTED) {
2713                missingPermissions.add(permission);
2714            }
2715        }
2716        if (missingPermissions.size() == 0) {
2717            return true;
2718        } else {
2719            requestPermissions(
2720                    missingPermissions.toArray(new String[0]),
2721                    requestCode);
2722            return false;
2723        }
2724    }
2725
2726    private boolean hasPermissions(int requestCode, String... permissions) {
2727        return hasPermissions(requestCode, ImmutableList.copyOf(permissions));
2728    }
2729
2730    public void unMuteConversation(final Conversation conversation) {
2731        conversation.setMutedTill(0);
2732        this.activity.xmppConnectionService.updateConversation(conversation);
2733        this.activity.onConversationsListItemUpdated();
2734        refresh();
2735        this.activity.invalidateOptionsMenu();
2736    }
2737
2738    protected void invokeAttachFileIntent(final int attachmentChoice) {
2739        Intent intent = new Intent();
2740        boolean chooser = false;
2741        switch (attachmentChoice) {
2742            case ATTACHMENT_CHOICE_CHOOSE_IMAGE:
2743                intent.setAction(Intent.ACTION_GET_CONTENT);
2744                intent.putExtra(Intent.EXTRA_ALLOW_MULTIPLE, true);
2745                intent.setType("image/*");
2746                chooser = true;
2747                break;
2748            case ATTACHMENT_CHOICE_RECORD_VIDEO:
2749                intent.setAction(MediaStore.ACTION_VIDEO_CAPTURE);
2750                break;
2751            case ATTACHMENT_CHOICE_TAKE_PHOTO:
2752                final Uri uri = activity.xmppConnectionService.getFileBackend().getTakePhotoUri();
2753                pendingTakePhotoUri.push(uri);
2754                intent.putExtra(MediaStore.EXTRA_OUTPUT, uri);
2755                intent.addFlags(Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
2756                intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
2757                intent.setAction(MediaStore.ACTION_IMAGE_CAPTURE);
2758                break;
2759            case ATTACHMENT_CHOICE_CHOOSE_FILE:
2760                chooser = true;
2761                intent.setType("*/*");
2762                intent.putExtra(Intent.EXTRA_ALLOW_MULTIPLE, true);
2763                intent.addCategory(Intent.CATEGORY_OPENABLE);
2764                intent.setAction(Intent.ACTION_GET_CONTENT);
2765                break;
2766            case ATTACHMENT_CHOICE_RECORD_VOICE:
2767                intent = new Intent(getActivity(), RecordingActivity.class);
2768                break;
2769            case ATTACHMENT_CHOICE_LOCATION:
2770                intent = GeoHelper.getFetchIntent(activity);
2771                break;
2772        }
2773        final Context context = getActivity();
2774        if (context == null) {
2775            return;
2776        }
2777        try {
2778            if (chooser) {
2779                startActivityForResult(
2780                        Intent.createChooser(intent, getString(R.string.perform_action_with)),
2781                        attachmentChoice);
2782            } else {
2783                startActivityForResult(intent, attachmentChoice);
2784            }
2785        } catch (final ActivityNotFoundException e) {
2786            Toast.makeText(context, R.string.no_application_found, Toast.LENGTH_LONG).show();
2787        }
2788    }
2789
2790    @Override
2791    public void onResume() {
2792        super.onResume();
2793        binding.messagesView.post(this::fireReadEvent);
2794    }
2795
2796    private void fireReadEvent() {
2797        if (activity != null && this.conversation != null) {
2798            String uuid = getLastVisibleMessageUuid();
2799            if (uuid != null) {
2800                activity.onConversationRead(this.conversation, uuid);
2801            }
2802        }
2803    }
2804
2805    private void newSubThread() {
2806        Element oldThread = conversation.getThread();
2807        Element thread = new Element("thread", "jabber:client");
2808        thread.setContent(UUID.randomUUID().toString());
2809        if (oldThread != null) thread.setAttribute("parent", oldThread.getContent());
2810        setThread(thread);
2811    }
2812
2813    private void newThread() {
2814        Element thread = new Element("thread", "jabber:client");
2815        thread.setContent(UUID.randomUUID().toString());
2816        setThread(thread);
2817    }
2818
2819    private void updateThreadFromLastMessage() {
2820        if (this.conversation != null && !this.conversation.getUserSelectedThread() && TextUtils.isEmpty(binding.textinput.getText())) {
2821            Message message = getLastVisibleMessage();
2822            if (message == null) {
2823                newThread();
2824            } else {
2825                if (conversation.getMode() == Conversation.MODE_MULTI) {
2826                    if (activity == null || activity.xmppConnectionService == null) return;
2827                    if (message.getStatus() < Message.STATUS_SEND) {
2828                        if (!activity.xmppConnectionService.getBooleanPreference("follow_thread_in_channel", R.bool.follow_thread_in_channel)) return;
2829                    }
2830                }
2831
2832                setThread(message.getThread());
2833            }
2834        }
2835    }
2836
2837    private String getLastVisibleMessageUuid() {
2838        Message message =  getLastVisibleMessage();
2839        return message == null ? null : message.getUuid();
2840    }
2841
2842    private Message getLastVisibleMessage() {
2843        if (binding == null) {
2844            return null;
2845        }
2846        synchronized (this.messageList) {
2847            int pos = binding.messagesView.getLastVisiblePosition();
2848            if (pos >= 0) {
2849                Message message = null;
2850                for (int i = pos; i >= 0; --i) {
2851                    try {
2852                        message = (Message) binding.messagesView.getItemAtPosition(i);
2853                    } catch (IndexOutOfBoundsException e) {
2854                        // should not happen if we synchronize properly. however if that fails we
2855                        // just gonna try item -1
2856                        continue;
2857                    }
2858                    if (message.getType() != Message.TYPE_STATUS) {
2859                        break;
2860                    }
2861                }
2862                if (message != null) {
2863                    while (message.next() != null && message.next().wasMergedIntoPrevious(activity == null ? null : activity.xmppConnectionService)) {
2864                        message = message.next();
2865                    }
2866                    return message;
2867                }
2868            }
2869        }
2870        return null;
2871    }
2872
2873    public void jumpTo(final Message message) {
2874        if (message.getUuid() == null) return;
2875        for (int i = 0; i < messageList.size(); i++) {
2876            final var m = messageList.get(i);
2877            if (m == null) continue;
2878            if (message.getUuid().equals(m.getUuid())) {
2879                binding.messagesView.setSelection(i);
2880                return;
2881            }
2882        }
2883    }
2884
2885    private void openWith(final Message message) {
2886        if (message.isGeoUri()) {
2887            GeoHelper.view(getActivity(), message);
2888        } else {
2889            final DownloadableFile file =
2890                    activity.xmppConnectionService.getFileBackend().getFile(message);
2891            ViewUtil.view(activity, file);
2892        }
2893    }
2894
2895    private void addReaction(final Message message) {
2896        activity.addReaction(message, reactions -> activity.xmppConnectionService.sendReactions(message, reactions));
2897    }
2898
2899    private void reportMessage(final Message message) {
2900        BlockContactDialog.show(activity, conversation.getContact(), message.getServerMsgId());
2901    }
2902
2903    private void showErrorMessage(final Message message) {
2904        final MaterialAlertDialogBuilder builder = new MaterialAlertDialogBuilder(requireActivity());
2905        builder.setTitle(R.string.error_message);
2906        final String errorMessage = message.getErrorMessage();
2907        final String[] errorMessageParts =
2908                errorMessage == null ? new String[0] : errorMessage.split("\\u001f");
2909        final String displayError;
2910        if (errorMessageParts.length == 2) {
2911            displayError = errorMessageParts[1];
2912        } else {
2913            displayError = errorMessage;
2914        }
2915        builder.setMessage(displayError);
2916        builder.setNegativeButton(
2917                R.string.copy_to_clipboard,
2918                (dialog, which) -> {
2919                    activity.copyTextToClipboard(displayError, R.string.error_message);
2920                    Toast.makeText(
2921                                    activity,
2922                                    R.string.error_message_copied_to_clipboard,
2923                                    Toast.LENGTH_SHORT)
2924                            .show();
2925                });
2926        builder.setPositiveButton(R.string.confirm, null);
2927        builder.create().show();
2928    }
2929
2930    public boolean onInlineImageLongClicked(Cid cid) {
2931        DownloadableFile f = activity.xmppConnectionService.getFileForCid(cid);
2932        if (f == null) return false;
2933
2934        saveAsSticker(f, null);
2935        return true;
2936    }
2937
2938    private void saveAsSticker(final Message m) {
2939        String existingName = m.getFileParams() != null && m.getFileParams().getName() != null ? m.getFileParams().getName() : "";
2940        existingName = existingName.lastIndexOf(".") == -1 ? existingName : existingName.substring(0, existingName.lastIndexOf("."));
2941        saveAsSticker(activity.xmppConnectionService.getFileBackend().getFile(m), existingName);
2942    }
2943
2944    private void saveAsSticker(final File file, final String name) {
2945        savingAsSticker = file;
2946
2947        Intent intent = new Intent(Intent.ACTION_CREATE_DOCUMENT);
2948        intent.addCategory(Intent.CATEGORY_OPENABLE);
2949        intent.setType(MimeUtils.guessMimeTypeFromUri(activity, activity.xmppConnectionService.getFileBackend().getUriForFile(activity, file)));
2950        intent.putExtra(Intent.EXTRA_TITLE, name);
2951
2952        SharedPreferences p = PreferenceManager.getDefaultSharedPreferences(activity);
2953        final String dir = p.getString("sticker_directory", "Stickers");
2954        if (dir.startsWith("content://")) {
2955            intent.putExtra("android.provider.extra.INITIAL_URI", Uri.parse(dir));
2956        } else {
2957            new File(Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES) + "/" + dir + "/User Pack").mkdirs();
2958            Uri uri;
2959            if (Build.VERSION.SDK_INT >= 29) {
2960                Intent tmp = ((StorageManager) activity.getSystemService(Context.STORAGE_SERVICE)).getPrimaryStorageVolume().createOpenDocumentTreeIntent();
2961                uri = tmp.getParcelableExtra("android.provider.extra.INITIAL_URI");
2962                uri = Uri.parse(uri.toString().replace("/root/", "/document/") + "%3APictures%2F" + dir);
2963            } else {
2964                uri = Uri.parse("content://com.android.externalstorage.documents/document/primary%3APictures%2F" + dir);
2965            }
2966            intent.putExtra("android.provider.extra.INITIAL_URI", uri);
2967            intent.putExtra("android.content.extra.SHOW_ADVANCED", true);
2968        }
2969
2970        Toast.makeText(activity, "Choose a sticker pack to add this sticker to", Toast.LENGTH_SHORT).show();
2971        startActivityForResult(Intent.createChooser(intent, "Choose sticker pack"), REQUEST_SAVE_STICKER);
2972    }
2973
2974    private void deleteFile(final Message message) {
2975        final MaterialAlertDialogBuilder builder = new MaterialAlertDialogBuilder(requireActivity());
2976        builder.setNegativeButton(R.string.cancel, null);
2977        builder.setTitle(R.string.delete_file_dialog);
2978        builder.setMessage(R.string.delete_file_dialog_msg);
2979        builder.setPositiveButton(
2980                R.string.confirm,
2981                (dialog, which) -> {
2982                    List<Element> thumbs = selectedMessage.getFileParams() != null ? selectedMessage.getFileParams().getThumbnails() : null;
2983                    if (thumbs != null && !thumbs.isEmpty()) {
2984                        for (Element thumb : thumbs) {
2985                            Uri uri = Uri.parse(thumb.getAttribute("uri"));
2986                            if (uri.getScheme().equals("cid")) {
2987                                Cid cid = BobTransfer.cid(uri);
2988                                if (cid == null) continue;
2989                                DownloadableFile f = activity.xmppConnectionService.getFileForCid(cid);
2990                                activity.xmppConnectionService.evictPreview(f);
2991                                f.delete();
2992                            }
2993                        }
2994                    }
2995                    if (activity.xmppConnectionService.getFileBackend().deleteFile(message)) {
2996                        activity.xmppConnectionService.evictPreview(activity.xmppConnectionService.getFileBackend().getFile(message));
2997                        activity.xmppConnectionService.updateMessage(message, false);
2998                        activity.onConversationsListItemUpdated();
2999                        refresh();
3000                    }
3001                });
3002        builder.create().show();
3003    }
3004
3005    private void resendMessage(final Message message) {
3006        if (message.isFileOrImage()) {
3007            if (!(message.getConversation() instanceof Conversation)) {
3008                return;
3009            }
3010            final Conversation conversation = (Conversation) message.getConversation();
3011            final DownloadableFile file =
3012                    activity.xmppConnectionService.getFileBackend().getFile(message);
3013            if ((file.exists() && file.canRead()) || message.hasFileOnRemoteHost()) {
3014                final XmppConnection xmppConnection = conversation.getAccount().getXmppConnection();
3015                if (!message.hasFileOnRemoteHost()
3016                        && xmppConnection != null
3017                        && conversation.getMode() == Conversational.MODE_SINGLE
3018                        && !xmppConnection
3019                                .getFeatures()
3020                                .httpUpload(message.getFileParams().getSize())) {
3021                    activity.selectPresence(
3022                            conversation,
3023                            () -> {
3024                                message.setCounterpart(conversation.getNextCounterpart());
3025                                activity.xmppConnectionService.resendFailedMessages(message);
3026                                new Handler()
3027                                        .post(
3028                                                () -> {
3029                                                    int size = messageList.size();
3030                                                    this.binding.messagesView.setSelection(
3031                                                            size - 1);
3032                                                });
3033                            });
3034                    return;
3035                }
3036            } else if (!Compatibility.hasStoragePermission(getActivity())) {
3037                Toast.makeText(activity, R.string.no_storage_permission, Toast.LENGTH_SHORT).show();
3038                return;
3039            } else {
3040                Toast.makeText(activity, R.string.file_deleted, Toast.LENGTH_SHORT).show();
3041                message.setDeleted(true);
3042                activity.xmppConnectionService.updateMessage(message, false);
3043                activity.onConversationsListItemUpdated();
3044                refresh();
3045                return;
3046            }
3047        }
3048        activity.xmppConnectionService.resendFailedMessages(message);
3049        new Handler()
3050                .post(
3051                        () -> {
3052                            int size = messageList.size();
3053                            this.binding.messagesView.setSelection(size - 1);
3054                        });
3055    }
3056
3057    private void cancelTransmission(Message message) {
3058        Transferable transferable = message.getTransferable();
3059        if (transferable != null) {
3060            transferable.cancel();
3061        } else if (message.getStatus() != Message.STATUS_RECEIVED) {
3062            activity.xmppConnectionService.markMessage(
3063                    message, Message.STATUS_SEND_FAILED, Message.ERROR_MESSAGE_CANCELLED);
3064        }
3065    }
3066
3067    private void retryDecryption(Message message) {
3068        message.setEncryption(Message.ENCRYPTION_PGP);
3069        activity.onConversationsListItemUpdated();
3070        refresh();
3071        conversation.getAccount().getPgpDecryptionService().decrypt(message, false);
3072    }
3073
3074    public void privateMessageWith(final Jid counterpart) {
3075        if (conversation.setOutgoingChatState(Config.DEFAULT_CHAT_STATE)) {
3076            activity.xmppConnectionService.sendChatState(conversation);
3077        }
3078        this.binding.textinput.setText("");
3079        this.conversation.setNextCounterpart(counterpart);
3080        updateChatMsgHint();
3081        updateSendButton();
3082        updateEditablity();
3083    }
3084
3085    private void correctMessage(Message message) {
3086        while (message.mergeable(message.next())) {
3087            message = message.next();
3088        }
3089        setThread(message.getThread());
3090        conversation.setUserSelectedThread(true);
3091        this.conversation.setCorrectingMessage(message);
3092        final Editable editable = binding.textinput.getText();
3093        this.conversation.setDraftMessage(editable.toString());
3094        this.binding.textinput.setText("");
3095        this.binding.textinput.append(message.getBody(true));
3096        if (message.getSubject() != null && message.getSubject().length() > 0) {
3097            this.binding.textinputSubject.setText(message.getSubject());
3098            this.binding.textinputSubject.setVisibility(View.VISIBLE);
3099        }
3100        final var replyTo = message.getInReplyTo();
3101        if (replyTo != null) {
3102            setupReply(replyTo);
3103        }
3104    }
3105
3106    private void highlightInConference(String nick) {
3107        final Editable editable = this.binding.textinput.getText();
3108        String oldString = editable.toString().trim();
3109        final int pos = this.binding.textinput.getSelectionStart();
3110        if (oldString.isEmpty() || pos == 0) {
3111            editable.insert(0, nick + ": ");
3112        } else {
3113            final char before = editable.charAt(pos - 1);
3114            final char after = editable.length() > pos ? editable.charAt(pos) : '\0';
3115            if (before == '\n') {
3116                editable.insert(pos, nick + ": ");
3117            } else {
3118                if (pos > 2 && editable.subSequence(pos - 2, pos).toString().equals(": ")) {
3119                    if (NickValidityChecker.check(
3120                            conversation,
3121                            Arrays.asList(
3122                                    editable.subSequence(0, pos - 2).toString().split(", ")))) {
3123                        editable.insert(pos - 2, ", " + nick);
3124                        return;
3125                    }
3126                }
3127                editable.insert(
3128                        pos,
3129                        (Character.isWhitespace(before) ? "" : " ")
3130                                + nick
3131                                + (Character.isWhitespace(after) ? "" : " "));
3132                if (Character.isWhitespace(after)) {
3133                    this.binding.textinput.setSelection(
3134                            this.binding.textinput.getSelectionStart() + 1);
3135                }
3136            }
3137        }
3138    }
3139
3140    @Override
3141    public void startActivityForResult(Intent intent, int requestCode) {
3142        final Activity activity = getActivity();
3143        if (activity instanceof ConversationsActivity) {
3144            ((ConversationsActivity) activity).clearPendingViewIntent();
3145        }
3146        super.startActivityForResult(intent, requestCode);
3147    }
3148
3149    @Override
3150    public void onSaveInstanceState(@NonNull Bundle outState) {
3151        super.onSaveInstanceState(outState);
3152        if (conversation != null) {
3153            outState.putString(STATE_CONVERSATION_UUID, conversation.getUuid());
3154            outState.putString(STATE_LAST_MESSAGE_UUID, lastMessageUuid);
3155            final Uri uri = pendingTakePhotoUri.peek();
3156            if (uri != null) {
3157                outState.putString(STATE_PHOTO_URI, uri.toString());
3158            }
3159            final ScrollState scrollState = getScrollPosition();
3160            if (scrollState != null) {
3161                outState.putParcelable(STATE_SCROLL_POSITION, scrollState);
3162            }
3163            final ArrayList<Attachment> attachments =
3164                    mediaPreviewAdapter == null
3165                            ? new ArrayList<>()
3166                            : mediaPreviewAdapter.getAttachments();
3167            if (attachments.size() > 0) {
3168                outState.putParcelableArrayList(STATE_MEDIA_PREVIEWS, attachments);
3169            }
3170        }
3171    }
3172
3173    @Override
3174    public void onActivityCreated(Bundle savedInstanceState) {
3175        super.onActivityCreated(savedInstanceState);
3176        if (savedInstanceState == null) {
3177            return;
3178        }
3179        String uuid = savedInstanceState.getString(STATE_CONVERSATION_UUID);
3180        ArrayList<Attachment> attachments =
3181                savedInstanceState.getParcelableArrayList(STATE_MEDIA_PREVIEWS);
3182        pendingLastMessageUuid.push(savedInstanceState.getString(STATE_LAST_MESSAGE_UUID, null));
3183        if (uuid != null) {
3184            QuickLoader.set(uuid);
3185            this.pendingConversationsUuid.push(uuid);
3186            if (attachments != null && attachments.size() > 0) {
3187                this.pendingMediaPreviews.push(attachments);
3188            }
3189            String takePhotoUri = savedInstanceState.getString(STATE_PHOTO_URI);
3190            if (takePhotoUri != null) {
3191                pendingTakePhotoUri.push(Uri.parse(takePhotoUri));
3192            }
3193            pendingScrollState.push(savedInstanceState.getParcelable(STATE_SCROLL_POSITION));
3194        }
3195    }
3196
3197    @Override
3198    public void onStart() {
3199        super.onStart();
3200        if (this.reInitRequiredOnStart && this.conversation != null) {
3201            final Bundle extras = pendingExtras.pop();
3202            reInit(this.conversation, extras != null);
3203            if (extras != null) {
3204                processExtras(extras);
3205            }
3206        } else if (conversation == null
3207                && activity != null
3208                && activity.xmppConnectionService != null) {
3209            final String uuid = pendingConversationsUuid.pop();
3210            Log.d(
3211                    Config.LOGTAG,
3212                    "ConversationFragment.onStart() - activity was bound but no conversation loaded. uuid="
3213                            + uuid);
3214            if (uuid != null) {
3215                findAndReInitByUuidOrArchive(uuid);
3216            }
3217        }
3218    }
3219
3220    @Override
3221    public void onStop() {
3222        super.onStop();
3223        final Activity activity = getActivity();
3224        messageListAdapter.unregisterListenerInAudioPlayer();
3225        if (activity == null || !activity.isChangingConfigurations()) {
3226            hideSoftKeyboard(activity);
3227            messageListAdapter.stopAudioPlayer();
3228        }
3229        if (this.conversation != null) {
3230            final String msg = this.binding.textinput.getText().toString();
3231            storeNextMessage(msg);
3232            updateChatState(this.conversation, msg);
3233            this.activity.xmppConnectionService.getNotificationService().setOpenConversation(null);
3234        }
3235        this.reInitRequiredOnStart = true;
3236    }
3237
3238    private void updateChatState(final Conversation conversation, final String msg) {
3239        ChatState state = msg.length() == 0 ? Config.DEFAULT_CHAT_STATE : ChatState.PAUSED;
3240        Account.State status = conversation.getAccount().getStatus();
3241        if (status == Account.State.ONLINE && conversation.setOutgoingChatState(state)) {
3242            activity.xmppConnectionService.sendChatState(conversation);
3243        }
3244    }
3245
3246    private void saveMessageDraftStopAudioPlayer() {
3247        final Conversation previousConversation = this.conversation;
3248        if (this.activity == null || this.binding == null || previousConversation == null) {
3249            return;
3250        }
3251        Log.d(Config.LOGTAG, "ConversationFragment.saveMessageDraftStopAudioPlayer()");
3252        final String msg = this.binding.textinput.getText().toString();
3253        storeNextMessage(msg);
3254        updateChatState(this.conversation, msg);
3255        messageListAdapter.stopAudioPlayer();
3256        mediaPreviewAdapter.clearPreviews();
3257        toggleInputMethod();
3258    }
3259
3260    public void reInit(final Conversation conversation, final Bundle extras) {
3261        QuickLoader.set(conversation.getUuid());
3262        final boolean changedConversation = this.conversation != conversation;
3263        if (changedConversation) {
3264            this.saveMessageDraftStopAudioPlayer();
3265        }
3266        this.clearPending();
3267        if (this.reInit(conversation, extras != null)) {
3268            if (extras != null) {
3269                processExtras(extras);
3270            }
3271            this.reInitRequiredOnStart = false;
3272        } else {
3273            this.reInitRequiredOnStart = true;
3274            pendingExtras.push(extras);
3275        }
3276        resetUnreadMessagesCount();
3277    }
3278
3279    private void reInit(Conversation conversation) {
3280        reInit(conversation, false);
3281    }
3282
3283    private boolean reInit(final Conversation conversation, final boolean hasExtras) {
3284        if (conversation == null) {
3285            return false;
3286        }
3287        final Conversation originalConversation = this.conversation;
3288        this.conversation = conversation;
3289        // once we set the conversation all is good and it will automatically do the right thing in
3290        // onStart()
3291        if (this.activity == null || this.binding == null) {
3292            return false;
3293        }
3294
3295        if (!activity.xmppConnectionService.isConversationStillOpen(this.conversation)) {
3296            activity.onConversationArchived(this.conversation);
3297            return false;
3298        }
3299
3300        final var cursord = activity.getDrawable(R.drawable.cursor_on_tertiary_container);
3301        if (activity.xmppConnectionService != null && activity.xmppConnectionService.getAccounts().size() > 1) {
3302            final var bg = MaterialColors.getColor(binding.textinput, com.google.android.material.R.attr.colorSurface);
3303            final var accountColor = conversation.getAccount().getColor(activity.isDark());
3304            final var colors = MaterialColors.getColorRoles(activity, accountColor);
3305            final var accent = activity.isDark() ? ColorUtils.blendARGB(colors.getAccentContainer(), bg, 1.0f - Math.max(0.25f, Color.alpha(accountColor) / 255.0f)) : colors.getAccentContainer();
3306            cursord.setTintList(ColorStateList.valueOf(colors.getOnAccentContainer()));
3307            binding.inputLayout.setBackgroundTintList(ColorStateList.valueOf(accent));
3308            binding.textinputSubject.setTextColor(colors.getOnAccentContainer());
3309            binding.textinput.setTextColor(colors.getOnAccentContainer());
3310            binding.textinputSubject.setHintTextColor(ColorStateList.valueOf(colors.getOnAccentContainer()).withAlpha(115));
3311            binding.textinput.setHintTextColor(ColorStateList.valueOf(colors.getOnAccentContainer()).withAlpha(115));
3312            binding.textInputHint.setTextColor(colors.getOnAccentContainer());
3313        } else {
3314            cursord.setTintList(ColorStateList.valueOf(MaterialColors.getColor(binding.textinput, com.google.android.material.R.attr.colorOnTertiaryContainer)));
3315            binding.inputLayout.setBackgroundTintList(ColorStateList.valueOf(MaterialColors.getColor(binding.inputLayout, com.google.android.material.R.attr.colorTertiaryContainer)));
3316            binding.textinputSubject.setTextColor(MaterialColors.getColor(binding.textinputSubject, com.google.android.material.R.attr.colorOnTertiaryContainer));
3317            binding.textinput.setTextColor(MaterialColors.getColor(binding.textinput, com.google.android.material.R.attr.colorOnTertiaryContainer));
3318            binding.textinputSubject.setHintTextColor(R.color.hint_on_tertiary_container);
3319            binding.textinput.setHintTextColor(R.color.hint_on_tertiary_container);
3320            binding.textInputHint.setTextColor(MaterialColors.getColor(binding.textInputHint, com.google.android.material.R.attr.colorOnTertiaryContainer));
3321        }
3322        if (Build.VERSION.SDK_INT >= 29) {
3323            binding.textinputSubject.setTextCursorDrawable(cursord);
3324            binding.textinput.setTextCursorDrawable(cursord);
3325        }
3326
3327        setThread(conversation.getThread());
3328        setupReply(conversation.getReplyTo());
3329
3330        stopScrolling();
3331        Log.d(Config.LOGTAG, "reInit(hasExtras=" + hasExtras + ")");
3332
3333        if (this.conversation.isRead() && hasExtras) {
3334            Log.d(Config.LOGTAG, "trimming conversation");
3335            this.conversation.trim();
3336        }
3337
3338        setupIme();
3339
3340        final boolean scrolledToBottomAndNoPending =
3341                this.scrolledToBottom() && pendingScrollState.peek() == null;
3342
3343        this.binding.textSendButton.setContentDescription(
3344                activity.getString(R.string.send_message_to_x, conversation.getName()));
3345        this.binding.textinput.setKeyboardListener(null);
3346        this.binding.textinputSubject.setKeyboardListener(null);
3347        final boolean participating =
3348                conversation.getMode() == Conversational.MODE_SINGLE
3349                        || conversation.getMucOptions().participating();
3350        if (participating) {
3351            this.binding.textinput.setText(this.conversation.getNextMessage());
3352            this.binding.textinput.setSelection(this.binding.textinput.length());
3353        } else {
3354            this.binding.textinput.setText(MessageUtils.EMPTY_STRING);
3355        }
3356        this.binding.textinput.setKeyboardListener(this);
3357        this.binding.textinputSubject.setKeyboardListener(this);
3358        messageListAdapter.updatePreferences();
3359        refresh(false);
3360        activity.invalidateOptionsMenu();
3361        this.conversation.messagesLoaded.set(true);
3362        Log.d(Config.LOGTAG, "scrolledToBottomAndNoPending=" + scrolledToBottomAndNoPending);
3363
3364        if (hasExtras || scrolledToBottomAndNoPending) {
3365            resetUnreadMessagesCount();
3366            synchronized (this.messageList) {
3367                Log.d(Config.LOGTAG, "jump to first unread message");
3368                final Message first = conversation.getFirstUnreadMessage();
3369                final int bottom = Math.max(0, this.messageList.size() - 1);
3370                final int pos;
3371                final boolean jumpToBottom;
3372                if (first == null) {
3373                    pos = bottom;
3374                    jumpToBottom = true;
3375                } else {
3376                    int i = getIndexOf(first.getUuid(), this.messageList);
3377                    pos = i < 0 ? bottom : i;
3378                    jumpToBottom = false;
3379                }
3380                setSelection(pos, jumpToBottom);
3381            }
3382        }
3383
3384        this.binding.messagesView.post(this::fireReadEvent);
3385        // TODO if we only do this when this fragment is running on main it won't *bing* in tablet
3386        // layout which might be unnecessary since we can *see* it
3387        activity.xmppConnectionService
3388                .getNotificationService()
3389                .setOpenConversation(this.conversation);
3390
3391        if (commandAdapter != null && conversation != originalConversation) {
3392            commandAdapter.clear();
3393            conversation.setupViewPager(binding.conversationViewPager, binding.tabLayout, activity.xmppConnectionService.isOnboarding(), originalConversation);
3394            refreshCommands(false);
3395        }
3396        if (commandAdapter == null && conversation != null) {
3397            conversation.setupViewPager(binding.conversationViewPager, binding.tabLayout, activity.xmppConnectionService.isOnboarding(), null);
3398            commandAdapter = new CommandAdapter((XmppActivity) getActivity());
3399            binding.commandsView.setAdapter(commandAdapter);
3400            binding.commandsView.setOnItemClickListener((parent, view, position, id) -> {
3401                if (activity == null) return;
3402
3403                commandAdapter.getItem(position).start(activity, ConversationFragment.this.conversation);
3404            });
3405            refreshCommands(false);
3406        }
3407
3408        binding.commandsNote.setVisibility(activity.xmppConnectionService.isOnboarding() ? View.VISIBLE : View.GONE);
3409
3410        return true;
3411    }
3412
3413    @Override
3414    public void refreshForNewCaps(final Set<Jid> newCapsJids) {
3415        if (newCapsJids.isEmpty() || newCapsJids.contains(conversation.getJid().asBareJid())) {
3416            refreshCommands(true);
3417        }
3418    }
3419
3420    protected void refreshCommands(boolean delayShow) {
3421        if (commandAdapter == null) return;
3422
3423        final CommandAdapter.MucConfig mucConfig =
3424            conversation.getMucOptions().getSelf().getAffiliation().ranks(MucOptions.Affiliation.OWNER) ?
3425            new CommandAdapter.MucConfig() :
3426            null;
3427
3428        Jid commandJid = conversation.getContact().resourceWhichSupport(Namespace.COMMANDS);
3429        if (commandJid == null && conversation.getMode() == Conversation.MODE_MULTI && conversation.getMucOptions().hasFeature(Namespace.COMMANDS)) {
3430            commandJid = conversation.getJid().asBareJid();
3431        }
3432        if (commandJid == null && conversation.getJid().isDomainJid()) {
3433            commandJid = conversation.getJid();
3434        }
3435        if (commandJid == null) {
3436            binding.commandsViewProgressbar.setVisibility(View.GONE);
3437            if (mucConfig == null) {
3438                conversation.hideViewPager();
3439            } else {
3440                commandAdapter.clear();
3441                commandAdapter.add(mucConfig);
3442                conversation.showViewPager();
3443            }
3444        } else {
3445            if (!delayShow) conversation.showViewPager();
3446            binding.commandsViewProgressbar.setVisibility(View.VISIBLE);
3447            activity.xmppConnectionService.fetchCommands(conversation.getAccount(), commandJid, (iq) -> {
3448                if (activity == null) return;
3449
3450                activity.runOnUiThread(() -> {
3451                    binding.commandsViewProgressbar.setVisibility(View.GONE);
3452                    commandAdapter.clear();
3453                    if (iq.getType() == Iq.Type.RESULT) {
3454                        for (Element child : iq.query().getChildren()) {
3455                            if (!"item".equals(child.getName()) || !Namespace.DISCO_ITEMS.equals(child.getNamespace())) continue;
3456                            commandAdapter.add(new CommandAdapter.Command0050(child));
3457                        }
3458                    }
3459
3460                    if (mucConfig != null) commandAdapter.add(mucConfig);
3461
3462                    if (commandAdapter.getCount() < 1) {
3463                        conversation.hideViewPager();
3464                    } else if (delayShow) {
3465                        conversation.showViewPager();
3466                    }
3467                });
3468            });
3469        }
3470    }
3471
3472    private void resetUnreadMessagesCount() {
3473        lastMessageUuid = null;
3474        hideUnreadMessagesCount();
3475    }
3476
3477    private void hideUnreadMessagesCount() {
3478        if (this.binding == null) {
3479            return;
3480        }
3481        this.binding.scrollToBottomButton.setEnabled(false);
3482        this.binding.scrollToBottomButton.hide();
3483        this.binding.unreadCountCustomView.setVisibility(View.GONE);
3484    }
3485
3486    private void setSelection(int pos, boolean jumpToBottom) {
3487        ListViewUtils.setSelection(this.binding.messagesView, pos, jumpToBottom);
3488        this.binding.messagesView.post(
3489                () -> ListViewUtils.setSelection(this.binding.messagesView, pos, jumpToBottom));
3490        this.binding.messagesView.post(this::fireReadEvent);
3491    }
3492
3493    private boolean scrolledToBottom() {
3494        return this.binding != null && scrolledToBottom(this.binding.messagesView);
3495    }
3496
3497    private void processExtras(final Bundle extras) {
3498        final String downloadUuid = extras.getString(ConversationsActivity.EXTRA_DOWNLOAD_UUID);
3499        final String text = extras.getString(Intent.EXTRA_TEXT);
3500        final String nick = extras.getString(ConversationsActivity.EXTRA_NICK);
3501        final String node = extras.getString(ConversationsActivity.EXTRA_NODE);
3502        final String postInitAction =
3503                extras.getString(ConversationsActivity.EXTRA_POST_INIT_ACTION);
3504        final boolean asQuote = extras.getBoolean(ConversationsActivity.EXTRA_AS_QUOTE);
3505        final boolean pm = extras.getBoolean(ConversationsActivity.EXTRA_IS_PRIVATE_MESSAGE, false);
3506        final boolean doNotAppend =
3507                extras.getBoolean(ConversationsActivity.EXTRA_DO_NOT_APPEND, false);
3508        final String type = extras.getString(ConversationsActivity.EXTRA_TYPE);
3509
3510        final String thread = extras.getString(ConversationsActivity.EXTRA_THREAD);
3511        if (thread != null) {
3512            conversation.setLockThread(true);
3513            backPressedLeaveSingleThread.setEnabled(true);
3514            setThread(new Element("thread").setContent(thread));
3515            refresh();
3516        }
3517
3518        final List<Uri> uris = extractUris(extras);
3519        if (uris != null && uris.size() > 0) {
3520            if (uris.size() == 1 && "geo".equals(uris.get(0).getScheme())) {
3521                mediaPreviewAdapter.addMediaPreviews(
3522                        Attachment.of(getActivity(), uris.get(0), Attachment.Type.LOCATION));
3523            } else {
3524                final List<Uri> cleanedUris = cleanUris(new ArrayList<>(uris));
3525                mediaPreviewAdapter.addMediaPreviews(
3526                        Attachment.of(getActivity(), cleanedUris, type));
3527            }
3528            toggleInputMethod();
3529            return;
3530        }
3531        if (nick != null) {
3532            if (pm) {
3533                Jid jid = conversation.getJid();
3534                try {
3535                    Jid next = Jid.of(jid.getLocal(), jid.getDomain(), nick);
3536                    privateMessageWith(next);
3537                } catch (final IllegalArgumentException ignored) {
3538                    // do nothing
3539                }
3540            } else {
3541                final MucOptions mucOptions = conversation.getMucOptions();
3542                if (mucOptions.participating() || conversation.getNextCounterpart() != null) {
3543                    highlightInConference(nick);
3544                }
3545            }
3546        } else {
3547            if (text != null && GeoHelper.GEO_URI.matcher(text).matches()) {
3548                mediaPreviewAdapter.addMediaPreviews(
3549                        Attachment.of(getActivity(), Uri.parse(text), Attachment.Type.LOCATION));
3550                toggleInputMethod();
3551                return;
3552            } else if (text != null && asQuote) {
3553                quoteText(text);
3554            } else {
3555                appendText(text, doNotAppend);
3556            }
3557        }
3558        if (ConversationsActivity.POST_ACTION_RECORD_VOICE.equals(postInitAction)) {
3559            attachFile(ATTACHMENT_CHOICE_RECORD_VOICE, false);
3560            return;
3561        }
3562        if ("call".equals(postInitAction)) {
3563            checkPermissionAndTriggerAudioCall();
3564        }
3565        if ("message".equals(postInitAction)) {
3566            binding.conversationViewPager.post(() -> {
3567                binding.conversationViewPager.setCurrentItem(0);
3568            });
3569        }
3570        if ("command".equals(postInitAction)) {
3571            binding.conversationViewPager.post(() -> {
3572                PagerAdapter adapter = binding.conversationViewPager.getAdapter();
3573                if (adapter != null && adapter.getCount() > 1) {
3574                    binding.conversationViewPager.setCurrentItem(1);
3575                }
3576                final String jid = extras.getString(ConversationsActivity.EXTRA_JID);
3577                Jid commandJid = null;
3578                if (jid != null) {
3579                    try {
3580                        commandJid = Jid.of(jid);
3581                    } catch (final IllegalArgumentException e) { }
3582                }
3583                if (commandJid == null || !commandJid.isFullJid()) {
3584                    final Jid discoJid = conversation.getContact().resourceWhichSupport(Namespace.COMMANDS);
3585                    if (discoJid != null) commandJid = discoJid;
3586                }
3587                if (node != null && commandJid != null && activity != null) {
3588                    conversation.startCommand(commandFor(commandJid, node), activity.xmppConnectionService);
3589                }
3590            });
3591            return;
3592        }
3593        Message message =
3594                downloadUuid == null ? null : conversation.findMessageWithFileAndUuid(downloadUuid);
3595        if ("webxdc".equals(postInitAction)) {
3596            if (message == null) {
3597                message = activity.xmppConnectionService.getMessage(conversation, downloadUuid);
3598            }
3599            if (message == null) return;
3600
3601            Cid webxdcCid = message.getFileParams().getCids().get(0);
3602            WebxdcPage webxdc = new WebxdcPage(activity, webxdcCid, message, activity.xmppConnectionService);
3603            Conversation conversation = (Conversation) message.getConversation();
3604            if (!conversation.switchToSession("webxdc\0" + message.getUuid())) {
3605                conversation.startWebxdc(webxdc);
3606            }
3607        }
3608        if (message != null) {
3609            startDownloadable(message);
3610        }
3611        if (activity.xmppConnectionService.isOnboarding() && conversation.getJid().equals(Jid.of("cheogram.com"))) {
3612            if (!conversation.switchToSession("jabber:iq:register")) {
3613                conversation.startCommand(commandFor(Jid.of("cheogram.com/CHEOGRAM%jabber:iq:register"), "jabber:iq:register"), activity.xmppConnectionService);
3614            }
3615        }
3616    }
3617
3618    private Element commandFor(final Jid jid, final String node) {
3619        if (commandAdapter != null) {
3620            for (int i = 0; i < commandAdapter.getCount(); i++) {
3621                final CommandAdapter.Command c = commandAdapter.getItem(i);
3622                if (!(c instanceof CommandAdapter.Command0050)) continue;
3623
3624                final Element command = ((CommandAdapter.Command0050) c).el;
3625                final String commandNode = command.getAttribute("node");
3626                if (commandNode == null || !commandNode.equals(node)) continue;
3627
3628                final Jid commandJid = command.getAttributeAsJid("jid");
3629                if (commandJid != null && !commandJid.asBareJid().equals(jid.asBareJid())) continue;
3630
3631                return command;
3632            }
3633        }
3634
3635        return new Element("command", Namespace.COMMANDS).setAttribute("name", node).setAttribute("node", node).setAttribute("jid", jid);
3636    }
3637
3638    private List<Uri> extractUris(final Bundle extras) {
3639        final List<Uri> uris = extras.getParcelableArrayList(Intent.EXTRA_STREAM);
3640        if (uris != null) {
3641            return uris;
3642        }
3643        final Uri uri = extras.getParcelable(Intent.EXTRA_STREAM);
3644        if (uri != null) {
3645            return Collections.singletonList(uri);
3646        } else {
3647            return null;
3648        }
3649    }
3650
3651    private List<Uri> cleanUris(final List<Uri> uris) {
3652        final Iterator<Uri> iterator = uris.iterator();
3653        while (iterator.hasNext()) {
3654            final Uri uri = iterator.next();
3655            if (FileBackend.dangerousFile(uri)) {
3656                iterator.remove();
3657                Toast.makeText(
3658                                requireActivity(),
3659                                R.string.security_violation_not_attaching_file,
3660                                Toast.LENGTH_SHORT)
3661                        .show();
3662            }
3663        }
3664        return uris;
3665    }
3666
3667    private boolean showBlockSubmenu(View view) {
3668        final Jid jid = conversation.getJid();
3669        final int mode = conversation.getMode();
3670        final var contact = mode == Conversation.MODE_SINGLE ? conversation.getContact() : null;
3671        final boolean showReject = contact.getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST);
3672        PopupMenu popupMenu = new PopupMenu(getActivity(), view);
3673        popupMenu.inflate(R.menu.block);
3674        popupMenu.getMenu().findItem(R.id.block_contact).setVisible(jid.getLocal() != null);
3675        popupMenu.getMenu().findItem(R.id.reject).setVisible(showReject);
3676        popupMenu.getMenu().findItem(R.id.add_contact).setVisible(!contact.showInRoster());
3677        popupMenu.setOnMenuItemClickListener(
3678                menuItem -> {
3679                    Blockable blockable;
3680                    switch (menuItem.getItemId()) {
3681                        case R.id.reject:
3682                            activity.xmppConnectionService.stopPresenceUpdatesTo(
3683                                    conversation.getContact());
3684                            updateSnackBar(conversation);
3685                            return true;
3686                        case R.id.add_contact:
3687                            mAddBackClickListener.onClick(view);
3688                            return true;
3689                        case R.id.block_domain:
3690                            blockable =
3691                                    conversation
3692                                            .getAccount()
3693                                            .getRoster()
3694                                            .getContact(jid.getDomain());
3695                            break;
3696                        default:
3697                            blockable = conversation;
3698                    }
3699                    BlockContactDialog.show(activity, blockable);
3700                    return true;
3701                });
3702        popupMenu.show();
3703        return true;
3704    }
3705
3706    private boolean showBlockMucSubmenu(View view) {
3707        final var jid = conversation.getJid();
3708        final var popupMenu = new PopupMenu(getActivity(), view);
3709        popupMenu.inflate(R.menu.block_muc);
3710        popupMenu.getMenu().findItem(R.id.block_contact).setVisible(jid.getLocal() != null);
3711        popupMenu.setOnMenuItemClickListener(
3712                menuItem -> {
3713                    Blockable blockable;
3714                    switch (menuItem.getItemId()) {
3715                        case R.id.reject:
3716                            activity.xmppConnectionService.clearConversationHistory(conversation);
3717                            activity.xmppConnectionService.archiveConversation(conversation);
3718                            return true;
3719                        case R.id.add_bookmark:
3720                            activity.xmppConnectionService.saveConversationAsBookmark(conversation, "");
3721                            updateSnackBar(conversation);
3722                            return true;
3723                        case R.id.block_contact:
3724                            blockable =
3725                                    conversation
3726                                            .getAccount()
3727                                            .getRoster()
3728                                            .getContact(Jid.of(conversation.getAttribute("inviter")));
3729                            break;
3730                        default:
3731                            blockable = conversation;
3732                    }
3733                    BlockContactDialog.show(activity, blockable);
3734                    activity.xmppConnectionService.archiveConversation(conversation);
3735                    return true;
3736                });
3737        popupMenu.show();
3738        return true;
3739    }
3740
3741    private void updateSnackBar(final Conversation conversation) {
3742        final Account account = conversation.getAccount();
3743        final XmppConnection connection = account.getXmppConnection();
3744        final int mode = conversation.getMode();
3745        final Contact contact = mode == Conversation.MODE_SINGLE ? conversation.getContact() : null;
3746        if (conversation.getStatus() == Conversation.STATUS_ARCHIVED) {
3747            return;
3748        }
3749        if (account.getStatus() == Account.State.DISABLED) {
3750            showSnackbar(
3751                    R.string.this_account_is_disabled,
3752                    R.string.enable,
3753                    this.mEnableAccountListener);
3754        } else if (account.getStatus() == Account.State.LOGGED_OUT) {
3755            showSnackbar(R.string.this_account_is_logged_out,R.string.log_in,this.mEnableAccountListener);
3756        } else if (conversation.isBlocked()) {
3757            showSnackbar(R.string.contact_blocked, R.string.unblock, this.mUnblockClickListener);
3758        } else if (account.getStatus() == Account.State.CONNECTING) {
3759            showSnackbar(R.string.this_account_is_connecting, 0, null);
3760        } else if (account.getStatus() != Account.State.ONLINE) {
3761            showSnackbar(R.string.this_account_is_offline, 0, null);
3762        } else if (contact != null
3763                && !contact.showInRoster()
3764                && contact.getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)) {
3765            showSnackbar(
3766                    R.string.contact_added_you,
3767                    R.string.options,
3768                    this.mBlockClickListener,
3769                    this.mLongPressBlockListener);
3770        } else if (contact != null
3771                && contact.getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)) {
3772            showSnackbar(
3773                    R.string.contact_asks_for_presence_subscription,
3774                    R.string.allow,
3775                    this.mAllowPresenceSubscription,
3776                    this.mLongPressBlockListener);
3777        } else if (mode == Conversation.MODE_MULTI
3778                && !conversation.getMucOptions().online()
3779                && account.getStatus() == Account.State.ONLINE) {
3780            switch (conversation.getMucOptions().getError()) {
3781                case NICK_IN_USE:
3782                    showSnackbar(R.string.nick_in_use, R.string.edit, clickToMuc);
3783                    break;
3784                case NO_RESPONSE:
3785                    showSnackbar(R.string.joining_conference, 0, null);
3786                    break;
3787                case SERVER_NOT_FOUND:
3788                    if (conversation.receivedMessagesCount() > 0) {
3789                        showSnackbar(R.string.remote_server_not_found, R.string.try_again, joinMuc);
3790                    } else {
3791                        showSnackbar(R.string.remote_server_not_found, R.string.leave, leaveMuc);
3792                    }
3793                    break;
3794                case REMOTE_SERVER_TIMEOUT:
3795                    if (conversation.receivedMessagesCount() > 0) {
3796                        showSnackbar(R.string.remote_server_timeout, R.string.try_again, joinMuc);
3797                    } else {
3798                        showSnackbar(R.string.remote_server_timeout, R.string.leave, leaveMuc);
3799                    }
3800                    break;
3801                case PASSWORD_REQUIRED:
3802                    showSnackbar(
3803                            R.string.conference_requires_password,
3804                            R.string.enter_password,
3805                            enterPassword);
3806                    break;
3807                case BANNED:
3808                    showSnackbar(R.string.conference_banned, R.string.leave, leaveMuc);
3809                    break;
3810                case MEMBERS_ONLY:
3811                    showSnackbar(R.string.conference_members_only, R.string.leave, leaveMuc);
3812                    break;
3813                case RESOURCE_CONSTRAINT:
3814                    showSnackbar(
3815                            R.string.conference_resource_constraint, R.string.try_again, joinMuc);
3816                    break;
3817                case KICKED:
3818                    showSnackbar(R.string.conference_kicked, R.string.join, joinMuc);
3819                    break;
3820                case TECHNICAL_PROBLEMS:
3821                    showSnackbar(R.string.conference_technical_problems, R.string.try_again, joinMuc);
3822                    break;
3823                case UNKNOWN:
3824                    showSnackbar(R.string.conference_unknown_error, R.string.try_again, joinMuc);
3825                    break;
3826                case INVALID_NICK:
3827                    showSnackbar(R.string.invalid_muc_nick, R.string.edit, clickToMuc);
3828                case SHUTDOWN:
3829                    showSnackbar(R.string.conference_shutdown, R.string.try_again, joinMuc);
3830                    break;
3831                case DESTROYED:
3832                    showSnackbar(R.string.conference_destroyed, R.string.leave, leaveMuc);
3833                    break;
3834                case NON_ANONYMOUS:
3835                    showSnackbar(
3836                            R.string.group_chat_will_make_your_jabber_id_public,
3837                            R.string.join,
3838                            acceptJoin);
3839                    break;
3840                default:
3841                    hideSnackbar();
3842                    break;
3843            }
3844        } else if (account.hasPendingPgpIntent(conversation)) {
3845            showSnackbar(R.string.openpgp_messages_found, R.string.decrypt, clickToDecryptListener);
3846        } else if (connection != null
3847                && connection.getFeatures().blocking()
3848                && conversation.strangerInvited()) {
3849            showSnackbar(
3850                    R.string.received_invite_from_stranger,
3851                    R.string.options,
3852                    (v) -> showBlockMucSubmenu(v),
3853                    (v) -> showBlockMucSubmenu(v));
3854        } else if (connection != null
3855                && connection.getFeatures().blocking()
3856                && conversation.countMessages() != 0
3857                && !conversation.isBlocked()
3858                && conversation.isWithStranger()) {
3859            showSnackbar(
3860                    R.string.received_message_from_stranger,
3861                    R.string.options,
3862                    this.mBlockClickListener,
3863                    this.mLongPressBlockListener);
3864        } else {
3865            hideSnackbar();
3866        }
3867    }
3868
3869    @Override
3870    public void refresh() {
3871        if (this.binding == null) {
3872            Log.d(
3873                    Config.LOGTAG,
3874                    "ConversationFragment.refresh() skipped updated because view binding was null");
3875            return;
3876        }
3877        if (this.conversation != null
3878                && this.activity != null
3879                && this.activity.xmppConnectionService != null) {
3880            if (!activity.xmppConnectionService.isConversationStillOpen(this.conversation)) {
3881                activity.onConversationArchived(this.conversation);
3882                return;
3883            }
3884        }
3885        this.refresh(true);
3886    }
3887
3888    private void refresh(boolean notifyConversationRead) {
3889        synchronized (this.messageList) {
3890            if (this.conversation != null) {
3891                if (messageListAdapter.hasSelection()) {
3892                    if (notifyConversationRead) binding.messagesView.postDelayed(this::refresh, 1000L);
3893                } else {
3894                    conversation.populateWithMessages(this.messageList, activity == null ? null : activity.xmppConnectionService);
3895                    updateStatusMessages();
3896                    this.messageListAdapter.notifyDataSetChanged();
3897                }
3898                if (conversation.getReceivedMessagesCountSinceUuid(lastMessageUuid) != 0) {
3899                    binding.unreadCountCustomView.setVisibility(View.VISIBLE);
3900                    binding.unreadCountCustomView.setUnreadCount(
3901                            conversation.getReceivedMessagesCountSinceUuid(lastMessageUuid));
3902                }
3903                updateSnackBar(conversation);
3904                if (activity != null) updateChatMsgHint();
3905                if (notifyConversationRead && activity != null) {
3906                    binding.messagesView.post(this::fireReadEvent);
3907                }
3908                updateSendButton();
3909                updateEditablity();
3910                conversation.refreshSessions();
3911            }
3912        }
3913    }
3914
3915    protected void messageSent() {
3916        binding.textinputSubject.setText("");
3917        binding.textinputSubject.setVisibility(View.GONE);
3918        setThread(null);
3919        conversation.setUserSelectedThread(false);
3920        mSendingPgpMessage.set(false);
3921        this.binding.textinput.setText("");
3922        if (conversation.setCorrectingMessage(null)) {
3923            this.binding.textinput.append(conversation.getDraftMessage());
3924            conversation.setDraftMessage(null);
3925        }
3926        storeNextMessage();
3927        updateChatMsgHint();
3928        SharedPreferences p = PreferenceManager.getDefaultSharedPreferences(activity);
3929        final boolean prefScrollToBottom =
3930                p.getBoolean(
3931                        "scroll_to_bottom",
3932                        activity.getResources().getBoolean(R.bool.scroll_to_bottom));
3933        if (prefScrollToBottom || scrolledToBottom()) {
3934            new Handler()
3935                    .post(
3936                            () -> {
3937                                int size = messageList.size();
3938                                this.binding.messagesView.setSelection(size - 1);
3939                            });
3940        }
3941    }
3942
3943    private boolean storeNextMessage() {
3944        return storeNextMessage(this.binding.textinput.getText().toString());
3945    }
3946
3947    private boolean storeNextMessage(String msg) {
3948        final boolean participating =
3949                conversation.getMode() == Conversational.MODE_SINGLE
3950                        || conversation.getMucOptions().participating();
3951        if (this.conversation.getStatus() != Conversation.STATUS_ARCHIVED
3952                && participating
3953                && this.conversation.setNextMessage(msg) && activity != null) {
3954            activity.xmppConnectionService.updateConversation(this.conversation);
3955            return true;
3956        }
3957        return false;
3958    }
3959
3960    public void doneSendingPgpMessage() {
3961        mSendingPgpMessage.set(false);
3962    }
3963
3964    public long getMaxHttpUploadSize(Conversation conversation) {
3965        final XmppConnection connection = conversation.getAccount().getXmppConnection();
3966        return connection == null ? -1 : connection.getFeatures().getMaxHttpUploadSize();
3967    }
3968
3969    private boolean canWrite() {
3970        return
3971                this.conversation.getMode() == Conversation.MODE_SINGLE
3972                        || this.conversation.getMucOptions().participating()
3973                        || this.conversation.getNextCounterpart() != null;
3974    }
3975
3976    private void updateEditablity() {
3977        boolean canWrite = canWrite();
3978        this.binding.textinput.setFocusable(canWrite);
3979        this.binding.textinput.setFocusableInTouchMode(canWrite);
3980        this.binding.textSendButton.setEnabled(canWrite);
3981        this.binding.textSendButton.setVisibility(canWrite ? View.VISIBLE : View.GONE);
3982        this.binding.requestVoice.setVisibility(canWrite ? View.GONE : View.VISIBLE);
3983        this.binding.textinput.setCursorVisible(canWrite);
3984        this.binding.textinput.setEnabled(canWrite);
3985    }
3986
3987    public void updateSendButton() {
3988        boolean hasAttachments =
3989                mediaPreviewAdapter != null && mediaPreviewAdapter.hasAttachments();
3990        final Conversation c = this.conversation;
3991        final Presence.Status status;
3992        final String text =
3993                this.binding.textinput == null ? "" : this.binding.textinput.getText().toString();
3994        final SendButtonAction action;
3995        if (hasAttachments) {
3996            action = SendButtonAction.TEXT;
3997        } else {
3998            action = SendButtonTool.getAction(getActivity(), c, text, binding.textinputSubject.getText().toString());
3999        }
4000        if (c.getAccount().getStatus() == Account.State.ONLINE) {
4001            if (activity != null
4002                    && activity.xmppConnectionService != null
4003                    && activity.xmppConnectionService.getMessageArchiveService().isCatchingUp(c)) {
4004                status = Presence.Status.OFFLINE;
4005            } else if (c.getMode() == Conversation.MODE_SINGLE) {
4006                status = c.getContact().getShownStatus();
4007            } else {
4008                status =
4009                        c.getMucOptions().online()
4010                                ? Presence.Status.ONLINE
4011                                : Presence.Status.OFFLINE;
4012            }
4013        } else {
4014            status = Presence.Status.OFFLINE;
4015        }
4016        this.binding.textSendButton.setTag(action);
4017        this.binding.textSendButton.setIconTint(ColorStateList.valueOf(SendButtonTool.getSendButtonColor(this.binding.textSendButton, status)));
4018        // TODO send button color
4019        final Activity activity = getActivity();
4020        if (activity != null) {
4021            this.binding.textSendButton.setIconResource(
4022                    SendButtonTool.getSendButtonImageResource(action, text.length() > 0 || hasAttachments || (c.getThread() != null && binding.textinputSubject.getText().length() > 0)));
4023        }
4024
4025        ViewGroup.LayoutParams params = binding.threadIdenticonLayout.getLayoutParams();
4026        if (identiconWidth < 0) identiconWidth = params.width;
4027        if (hasAttachments || binding.textinput.getText().toString().replaceFirst("^(\\w|[, ])+:\\s*", "").length() > 0) {
4028            binding.conversationViewPager.setCurrentItem(0);
4029            params.width = conversation.getThread() == null ? 0 : identiconWidth;
4030        } else {
4031            params.width = identiconWidth;
4032        }
4033        if (!canWrite()) params.width = 0;
4034        binding.threadIdenticonLayout.setLayoutParams(params);
4035    }
4036
4037    protected void updateStatusMessages() {
4038        DateSeparator.addAll(this.messageList);
4039        if (showLoadMoreMessages(conversation)) {
4040            this.messageList.add(0, Message.createLoadMoreMessage(conversation));
4041        }
4042        if (conversation.getMode() == Conversation.MODE_SINGLE) {
4043            ChatState state = conversation.getIncomingChatState();
4044            if (state == ChatState.COMPOSING) {
4045                this.messageList.add(
4046                        Message.createStatusMessage(
4047                                conversation,
4048                                getString(R.string.contact_is_typing, conversation.getName())));
4049            } else if (state == ChatState.PAUSED) {
4050                this.messageList.add(
4051                        Message.createStatusMessage(
4052                                conversation,
4053                                getString(
4054                                        R.string.contact_has_stopped_typing,
4055                                        conversation.getName())));
4056            } else {
4057                for (int i = this.messageList.size() - 1; i >= 0; --i) {
4058                    final Message message = this.messageList.get(i);
4059                    if (message.getType() != Message.TYPE_STATUS) {
4060                        if (message.getStatus() == Message.STATUS_RECEIVED) {
4061                            return;
4062                        } else {
4063                            if (message.getStatus() == Message.STATUS_SEND_DISPLAYED) {
4064                                this.messageList.add(
4065                                        i + 1,
4066                                        Message.createStatusMessage(
4067                                                conversation,
4068                                                getString(
4069                                                        R.string.contact_has_read_up_to_this_point,
4070                                                        conversation.getName())));
4071                                return;
4072                            }
4073                        }
4074                    }
4075                }
4076            }
4077        } else {
4078            final MucOptions mucOptions = conversation.getMucOptions();
4079            final List<MucOptions.User> allUsers = mucOptions.getUsers();
4080            final Set<ReadByMarker> addedMarkers = new HashSet<>();
4081            ChatState state = ChatState.COMPOSING;
4082            List<MucOptions.User> users =
4083                    conversation.getMucOptions().getUsersWithChatState(state, 5);
4084            if (users.size() == 0) {
4085                state = ChatState.PAUSED;
4086                users = conversation.getMucOptions().getUsersWithChatState(state, 5);
4087            }
4088            if (mucOptions.isPrivateAndNonAnonymous()) {
4089                for (int i = this.messageList.size() - 1; i >= 0; --i) {
4090                    final Set<ReadByMarker> markersForMessage =
4091                            messageList.get(i).getReadByMarkers();
4092                    final List<MucOptions.User> shownMarkers = new ArrayList<>();
4093                    for (ReadByMarker marker : markersForMessage) {
4094                        if (!ReadByMarker.contains(marker, addedMarkers)) {
4095                            addedMarkers.add(
4096                                    marker); // may be put outside this condition. set should do
4097                                             // dedup anyway
4098                            MucOptions.User user = mucOptions.findUser(marker);
4099                            if (user != null && !users.contains(user)) {
4100                                shownMarkers.add(user);
4101                            }
4102                        }
4103                    }
4104                    final ReadByMarker markerForSender = ReadByMarker.from(messageList.get(i));
4105                    final Message statusMessage;
4106                    final int size = shownMarkers.size();
4107                    if (size > 1) {
4108                        final String body;
4109                        if (size <= 4) {
4110                            body =
4111                                    getString(
4112                                            R.string.contacts_have_read_up_to_this_point,
4113                                            UIHelper.concatNames(shownMarkers));
4114                        } else if (ReadByMarker.allUsersRepresented(
4115                                allUsers, markersForMessage, markerForSender)) {
4116                            body = getString(R.string.everyone_has_read_up_to_this_point);
4117                        } else {
4118                            body =
4119                                    getString(
4120                                            R.string.contacts_and_n_more_have_read_up_to_this_point,
4121                                            UIHelper.concatNames(shownMarkers, 3),
4122                                            size - 3);
4123                        }
4124                        statusMessage = Message.createStatusMessage(conversation, body);
4125                        statusMessage.setCounterparts(shownMarkers);
4126                    } else if (size == 1) {
4127                        statusMessage =
4128                                Message.createStatusMessage(
4129                                        conversation,
4130                                        getString(
4131                                                R.string.contact_has_read_up_to_this_point,
4132                                                UIHelper.getDisplayName(shownMarkers.get(0))));
4133                        statusMessage.setCounterpart(shownMarkers.get(0).getFullJid());
4134                        statusMessage.setTrueCounterpart(shownMarkers.get(0).getRealJid());
4135                    } else {
4136                        statusMessage = null;
4137                    }
4138                    if (statusMessage != null) {
4139                        this.messageList.add(i + 1, statusMessage);
4140                    }
4141                    addedMarkers.add(markerForSender);
4142                    if (ReadByMarker.allUsersRepresented(allUsers, addedMarkers)) {
4143                        break;
4144                    }
4145                }
4146            }
4147            if (users.size() > 0) {
4148                Message statusMessage;
4149                if (users.size() == 1) {
4150                    MucOptions.User user = users.get(0);
4151                    int id =
4152                            state == ChatState.COMPOSING
4153                                    ? R.string.contact_is_typing
4154                                    : R.string.contact_has_stopped_typing;
4155                    statusMessage =
4156                            Message.createStatusMessage(
4157                                    conversation, getString(id, UIHelper.getDisplayName(user)));
4158                    statusMessage.setTrueCounterpart(user.getRealJid());
4159                    statusMessage.setCounterpart(user.getFullJid());
4160                } else {
4161                    int id =
4162                            state == ChatState.COMPOSING
4163                                    ? R.string.contacts_are_typing
4164                                    : R.string.contacts_have_stopped_typing;
4165                    statusMessage =
4166                            Message.createStatusMessage(
4167                                    conversation, getString(id, UIHelper.concatNames(users)));
4168                    statusMessage.setCounterparts(users);
4169                }
4170                this.messageList.add(statusMessage);
4171            }
4172        }
4173    }
4174
4175    private void stopScrolling() {
4176        long now = SystemClock.uptimeMillis();
4177        MotionEvent cancel = MotionEvent.obtain(now, now, MotionEvent.ACTION_CANCEL, 0, 0, 0);
4178        binding.messagesView.dispatchTouchEvent(cancel);
4179    }
4180
4181    private boolean showLoadMoreMessages(final Conversation c) {
4182        if (activity == null || activity.xmppConnectionService == null) {
4183            return false;
4184        }
4185        final boolean mam = hasMamSupport(c) && !c.getContact().isBlocked();
4186        final MessageArchiveService service =
4187                activity.xmppConnectionService.getMessageArchiveService();
4188        return mam
4189                && (c.getLastClearHistory().getTimestamp() != 0
4190                        || (c.countMessages() == 0
4191                                && c.messagesLoaded.get()
4192                                && c.hasMessagesLeftOnServer()
4193                                && !service.queryInProgress(c)));
4194    }
4195
4196    private boolean hasMamSupport(final Conversation c) {
4197        if (c.getMode() == Conversation.MODE_SINGLE) {
4198            final XmppConnection connection = c.getAccount().getXmppConnection();
4199            return connection != null && connection.getFeatures().mam();
4200        } else {
4201            return c.getMucOptions().mamSupport();
4202        }
4203    }
4204
4205    protected void showSnackbar(
4206            final int message, final int action, final OnClickListener clickListener) {
4207        showSnackbar(message, action, clickListener, null);
4208    }
4209
4210    protected void showSnackbar(
4211            final int message,
4212            final int action,
4213            final OnClickListener clickListener,
4214            final View.OnLongClickListener longClickListener) {
4215        this.binding.snackbar.setVisibility(View.VISIBLE);
4216        this.binding.snackbar.setOnClickListener(null);
4217        this.binding.snackbarMessage.setText(message);
4218        this.binding.snackbarMessage.setOnClickListener(null);
4219        this.binding.snackbarAction.setVisibility(clickListener == null ? View.GONE : View.VISIBLE);
4220        if (action != 0) {
4221            this.binding.snackbarAction.setText(action);
4222        }
4223        this.binding.snackbarAction.setOnClickListener(clickListener);
4224        this.binding.snackbarAction.setOnLongClickListener(longClickListener);
4225    }
4226
4227    protected void hideSnackbar() {
4228        this.binding.snackbar.setVisibility(View.GONE);
4229    }
4230
4231    protected void sendMessage(Message message) {
4232        new Thread(() -> activity.xmppConnectionService.sendMessage(message)).start();
4233        messageSent();
4234    }
4235
4236    protected void sendPgpMessage(final Message message) {
4237        final XmppConnectionService xmppService = activity.xmppConnectionService;
4238        final Contact contact = message.getConversation().getContact();
4239        if (!activity.hasPgp()) {
4240            activity.showInstallPgpDialog();
4241            return;
4242        }
4243        if (conversation.getAccount().getPgpSignature() == null) {
4244            activity.announcePgp(
4245                    conversation.getAccount(), conversation, null, activity.onOpenPGPKeyPublished);
4246            return;
4247        }
4248        if (!mSendingPgpMessage.compareAndSet(false, true)) {
4249            Log.d(Config.LOGTAG, "sending pgp message already in progress");
4250        }
4251        if (conversation.getMode() == Conversation.MODE_SINGLE) {
4252            if (contact.getPgpKeyId() != 0) {
4253                xmppService
4254                        .getPgpEngine()
4255                        .hasKey(
4256                                contact,
4257                                new UiCallback<Contact>() {
4258
4259                                    @Override
4260                                    public void userInputRequired(
4261                                            PendingIntent pi, Contact contact) {
4262                                        startPendingIntent(pi, REQUEST_ENCRYPT_MESSAGE);
4263                                    }
4264
4265                                    @Override
4266                                    public void success(Contact contact) {
4267                                        encryptTextMessage(message);
4268                                    }
4269
4270                                    @Override
4271                                    public void error(int error, Contact contact) {
4272                                        activity.runOnUiThread(
4273                                                () ->
4274                                                        Toast.makeText(
4275                                                                        activity,
4276                                                                        R.string
4277                                                                                .unable_to_connect_to_keychain,
4278                                                                        Toast.LENGTH_SHORT)
4279                                                                .show());
4280                                        mSendingPgpMessage.set(false);
4281                                    }
4282                                });
4283
4284            } else {
4285                showNoPGPKeyDialog(
4286                        false,
4287                        (dialog, which) -> {
4288                            conversation.setNextEncryption(Message.ENCRYPTION_NONE);
4289                            xmppService.updateConversation(conversation);
4290                            message.setEncryption(Message.ENCRYPTION_NONE);
4291                            xmppService.sendMessage(message);
4292                            messageSent();
4293                        });
4294            }
4295        } else {
4296            if (conversation.getMucOptions().pgpKeysInUse()) {
4297                if (!conversation.getMucOptions().everybodyHasKeys()) {
4298                    Toast warning =
4299                            Toast.makeText(
4300                                    getActivity(), R.string.missing_public_keys, Toast.LENGTH_LONG);
4301                    warning.setGravity(Gravity.CENTER_VERTICAL, 0, 0);
4302                    warning.show();
4303                }
4304                encryptTextMessage(message);
4305            } else {
4306                showNoPGPKeyDialog(
4307                        true,
4308                        (dialog, which) -> {
4309                            conversation.setNextEncryption(Message.ENCRYPTION_NONE);
4310                            message.setEncryption(Message.ENCRYPTION_NONE);
4311                            xmppService.updateConversation(conversation);
4312                            xmppService.sendMessage(message);
4313                            messageSent();
4314                        });
4315            }
4316        }
4317    }
4318
4319    public void encryptTextMessage(Message message) {
4320        activity.xmppConnectionService
4321                .getPgpEngine()
4322                .encrypt(
4323                        message,
4324                        new UiCallback<Message>() {
4325
4326                            @Override
4327                            public void userInputRequired(PendingIntent pi, Message message) {
4328                                startPendingIntent(pi, REQUEST_SEND_MESSAGE);
4329                            }
4330
4331                            @Override
4332                            public void success(Message message) {
4333                                // TODO the following two call can be made before the callback
4334                                getActivity().runOnUiThread(() -> messageSent());
4335                            }
4336
4337                            @Override
4338                            public void error(final int error, Message message) {
4339                                getActivity()
4340                                        .runOnUiThread(
4341                                                () -> {
4342                                                    doneSendingPgpMessage();
4343                                                    Toast.makeText(
4344                                                                    getActivity(),
4345                                                                    error == 0
4346                                                                            ? R.string
4347                                                                                    .unable_to_connect_to_keychain
4348                                                                            : error,
4349                                                                    Toast.LENGTH_SHORT)
4350                                                            .show();
4351                                                });
4352                            }
4353                        });
4354    }
4355
4356    public void showNoPGPKeyDialog(final boolean plural, final DialogInterface.OnClickListener listener) {
4357        final MaterialAlertDialogBuilder builder = new MaterialAlertDialogBuilder(requireActivity());
4358        if (plural) {
4359            builder.setTitle(getString(R.string.no_pgp_keys));
4360            builder.setMessage(getText(R.string.contacts_have_no_pgp_keys));
4361        } else {
4362            builder.setTitle(getString(R.string.no_pgp_key));
4363            builder.setMessage(getText(R.string.contact_has_no_pgp_key));
4364        }
4365        builder.setNegativeButton(getString(R.string.cancel), null);
4366        builder.setPositiveButton(getString(R.string.send_unencrypted), listener);
4367        builder.create().show();
4368    }
4369
4370    public void appendText(String text, final boolean doNotAppend) {
4371        if (text == null) {
4372            return;
4373        }
4374        final Editable editable = this.binding.textinput.getText();
4375        String previous = editable == null ? "" : editable.toString();
4376        if (doNotAppend && !TextUtils.isEmpty(previous)) {
4377            Toast.makeText(getActivity(), R.string.already_drafting_message, Toast.LENGTH_LONG)
4378                    .show();
4379            return;
4380        }
4381        if (UIHelper.isLastLineQuote(previous)) {
4382            text = '\n' + text;
4383        } else if (previous.length() != 0
4384                && !Character.isWhitespace(previous.charAt(previous.length() - 1))) {
4385            text = " " + text;
4386        }
4387        this.binding.textinput.append(text);
4388    }
4389
4390    @Override
4391    public boolean onEnterPressed(final boolean isCtrlPressed) {
4392        if (isCtrlPressed || enterIsSend()) {
4393            sendMessage();
4394            return true;
4395        }
4396        return false;
4397    }
4398
4399    private boolean enterIsSend() {
4400        final SharedPreferences p = PreferenceManager.getDefaultSharedPreferences(getActivity());
4401        return p.getBoolean("enter_is_send", getResources().getBoolean(R.bool.enter_is_send));
4402    }
4403
4404    public boolean onArrowUpCtrlPressed() {
4405        final Message lastEditableMessage =
4406                conversation == null ? null : conversation.getLastEditableMessage();
4407        if (lastEditableMessage != null) {
4408            correctMessage(lastEditableMessage);
4409            return true;
4410        } else {
4411            Toast.makeText(getActivity(), R.string.could_not_correct_message, Toast.LENGTH_LONG)
4412                    .show();
4413            return false;
4414        }
4415    }
4416
4417    @Override
4418    public void onTypingStarted() {
4419        final XmppConnectionService service =
4420                activity == null ? null : activity.xmppConnectionService;
4421        if (service == null) {
4422            return;
4423        }
4424        final Account.State status = conversation.getAccount().getStatus();
4425        if (status == Account.State.ONLINE
4426                && conversation.setOutgoingChatState(ChatState.COMPOSING)) {
4427            service.sendChatState(conversation);
4428        }
4429        runOnUiThread(this::updateSendButton);
4430    }
4431
4432    @Override
4433    public void onTypingStopped() {
4434        final XmppConnectionService service =
4435                activity == null ? null : activity.xmppConnectionService;
4436        if (service == null) {
4437            return;
4438        }
4439        final Account.State status = conversation.getAccount().getStatus();
4440        if (status == Account.State.ONLINE && conversation.setOutgoingChatState(ChatState.PAUSED)) {
4441            service.sendChatState(conversation);
4442        }
4443    }
4444
4445    @Override
4446    public void onTextDeleted() {
4447        final XmppConnectionService service =
4448                activity == null ? null : activity.xmppConnectionService;
4449        if (service == null) {
4450            return;
4451        }
4452        final Account.State status = conversation.getAccount().getStatus();
4453        if (status == Account.State.ONLINE
4454                && conversation.setOutgoingChatState(Config.DEFAULT_CHAT_STATE)) {
4455            service.sendChatState(conversation);
4456        }
4457        if (storeNextMessage()) {
4458            runOnUiThread(
4459                    () -> {
4460                        if (activity == null) {
4461                            return;
4462                        }
4463                        activity.onConversationsListItemUpdated();
4464                    });
4465        }
4466        runOnUiThread(this::updateSendButton);
4467    }
4468
4469    @Override
4470    public void onTextChanged() {
4471        if (conversation != null && conversation.getCorrectingMessage() != null) {
4472            runOnUiThread(this::updateSendButton);
4473        }
4474    }
4475
4476    @Override
4477    public boolean onTabPressed(boolean repeated) {
4478        if (conversation == null || conversation.getMode() == Conversation.MODE_SINGLE) {
4479            return false;
4480        }
4481        if (repeated) {
4482            completionIndex++;
4483        } else {
4484            lastCompletionLength = 0;
4485            completionIndex = 0;
4486            final String content = this.binding.textinput.getText().toString();
4487            lastCompletionCursor = this.binding.textinput.getSelectionEnd();
4488            int start =
4489                    lastCompletionCursor > 0
4490                            ? content.lastIndexOf(" ", lastCompletionCursor - 1) + 1
4491                            : 0;
4492            firstWord = start == 0;
4493            incomplete = content.substring(start, lastCompletionCursor);
4494        }
4495        List<String> completions = new ArrayList<>();
4496        for (MucOptions.User user : conversation.getMucOptions().getUsers()) {
4497            String name = user.getNick();
4498            if (name != null && name.startsWith(incomplete)) {
4499                completions.add(name + (firstWord ? ": " : " "));
4500            }
4501        }
4502        Collections.sort(completions);
4503        if (completions.size() > completionIndex) {
4504            String completion = completions.get(completionIndex).substring(incomplete.length());
4505            this.binding
4506                    .textinput
4507                    .getEditableText()
4508                    .delete(lastCompletionCursor, lastCompletionCursor + lastCompletionLength);
4509            this.binding.textinput.getEditableText().insert(lastCompletionCursor, completion);
4510            lastCompletionLength = completion.length();
4511        } else {
4512            completionIndex = -1;
4513            this.binding
4514                    .textinput
4515                    .getEditableText()
4516                    .delete(lastCompletionCursor, lastCompletionCursor + lastCompletionLength);
4517            lastCompletionLength = 0;
4518        }
4519        return true;
4520    }
4521
4522    private void startPendingIntent(PendingIntent pendingIntent, int requestCode) {
4523        try {
4524            getActivity()
4525                    .startIntentSenderForResult(
4526                            pendingIntent.getIntentSender(), requestCode, null, 0, 0, 0, Compatibility.pgpStartIntentSenderOptions());
4527        } catch (final SendIntentException ignored) {
4528        }
4529    }
4530
4531    @Override
4532    public void onBackendConnected() {
4533        Log.d(Config.LOGTAG, "ConversationFragment.onBackendConnected()");
4534        setupEmojiSearch();
4535        String uuid = pendingConversationsUuid.pop();
4536        if (uuid != null) {
4537            if (!findAndReInitByUuidOrArchive(uuid)) {
4538                return;
4539            }
4540        } else {
4541            if (!activity.xmppConnectionService.isConversationStillOpen(conversation)) {
4542                clearPending();
4543                activity.onConversationArchived(conversation);
4544                return;
4545            }
4546        }
4547        ActivityResult activityResult = postponedActivityResult.pop();
4548        if (activityResult != null) {
4549            handleActivityResult(activityResult);
4550        }
4551        clearPending();
4552    }
4553
4554    private boolean findAndReInitByUuidOrArchive(@NonNull final String uuid) {
4555        Conversation conversation = activity.xmppConnectionService.findConversationByUuid(uuid);
4556        if (conversation == null) {
4557            clearPending();
4558            activity.onConversationArchived(null);
4559            return false;
4560        }
4561        reInit(conversation);
4562        ScrollState scrollState = pendingScrollState.pop();
4563        String lastMessageUuid = pendingLastMessageUuid.pop();
4564        List<Attachment> attachments = pendingMediaPreviews.pop();
4565        if (scrollState != null) {
4566            setScrollPosition(scrollState, lastMessageUuid);
4567        }
4568        if (attachments != null && attachments.size() > 0) {
4569            Log.d(Config.LOGTAG, "had attachments on restore");
4570            mediaPreviewAdapter.addMediaPreviews(attachments);
4571            toggleInputMethod();
4572        }
4573        return true;
4574    }
4575
4576    private void clearPending() {
4577        if (postponedActivityResult.clear()) {
4578            Log.e(Config.LOGTAG, "cleared pending intent with unhandled result left");
4579            if (pendingTakePhotoUri.clear()) {
4580                Log.e(Config.LOGTAG, "cleared pending photo uri");
4581            }
4582        }
4583        if (pendingScrollState.clear()) {
4584            Log.e(Config.LOGTAG, "cleared scroll state");
4585        }
4586        if (pendingConversationsUuid.clear()) {
4587            Log.e(Config.LOGTAG, "cleared pending conversations uuid");
4588        }
4589        if (pendingMediaPreviews.clear()) {
4590            Log.e(Config.LOGTAG, "cleared pending media previews");
4591        }
4592    }
4593
4594    public Conversation getConversation() {
4595        return conversation;
4596    }
4597
4598    @Override
4599    public void onContactPictureLongClicked(View v, final Message message) {
4600        final String fingerprint;
4601        if (message.getEncryption() == Message.ENCRYPTION_PGP
4602                || message.getEncryption() == Message.ENCRYPTION_DECRYPTED) {
4603            fingerprint = "pgp";
4604        } else {
4605            fingerprint = message.getFingerprint();
4606        }
4607        final PopupMenu popupMenu = new PopupMenu(getActivity(), v);
4608        final Contact contact = message.getContact();
4609        if (message.getStatus() <= Message.STATUS_RECEIVED
4610                && (contact == null || !contact.isSelf())) {
4611            if (message.getConversation().getMode() == Conversation.MODE_MULTI) {
4612                final Jid cp = message.getCounterpart();
4613                if (cp == null || cp.isBareJid()) {
4614                    return;
4615                }
4616                final Jid tcp = message.getTrueCounterpart();
4617                final String occupantId = message.getOccupantId();
4618                final User userByRealJid =
4619                        tcp != null
4620                                ? conversation.getMucOptions().findOrCreateUserByRealJid(tcp, cp, occupantId)
4621                                : null;
4622                final User userByOccupantId =
4623                        occupantId != null
4624                                ? conversation.getMucOptions().findUserByOccupantId(occupantId, cp)
4625                                : null;
4626                final User user =
4627                        userByRealJid != null
4628                                ? userByRealJid
4629                                : (userByOccupantId != null ? userByOccupantId : conversation.getMucOptions().findUserByFullJid(cp));
4630                if (user == null) return;
4631                popupMenu.inflate(R.menu.muc_details_context);
4632                final Menu menu = popupMenu.getMenu();
4633                MucDetailsContextMenuHelper.configureMucDetailsContextMenu(
4634                        activity, menu, conversation, user);
4635                popupMenu.setOnMenuItemClickListener(
4636                        menuItem ->
4637                                MucDetailsContextMenuHelper.onContextItemSelected(
4638                                        menuItem, user, activity, fingerprint));
4639            } else {
4640                popupMenu.inflate(R.menu.one_on_one_context);
4641                popupMenu.setOnMenuItemClickListener(
4642                        item -> {
4643                            switch (item.getItemId()) {
4644                                case R.id.action_contact_details:
4645                                    activity.switchToContactDetails(
4646                                            message.getContact(), fingerprint);
4647                                    break;
4648                                case R.id.action_show_qr_code:
4649                                    activity.showQrCode(
4650                                            "xmpp:"
4651                                                    + message.getContact()
4652                                                            .getJid()
4653                                                            .asBareJid()
4654                                                            .toEscapedString());
4655                                    break;
4656                            }
4657                            return true;
4658                        });
4659            }
4660        } else {
4661            popupMenu.inflate(R.menu.account_context);
4662            final Menu menu = popupMenu.getMenu();
4663            menu.findItem(R.id.action_manage_accounts)
4664                    .setVisible(QuickConversationsService.isConversations());
4665            popupMenu.setOnMenuItemClickListener(
4666                    item -> {
4667                        final XmppActivity activity = this.activity;
4668                        if (activity == null) {
4669                            Log.e(Config.LOGTAG, "Unable to perform action. no context provided");
4670                            return true;
4671                        }
4672                        switch (item.getItemId()) {
4673                            case R.id.action_show_qr_code:
4674                                activity.showQrCode(conversation.getAccount().getShareableUri());
4675                                break;
4676                            case R.id.action_account_details:
4677                                activity.switchToAccount(
4678                                        message.getConversation().getAccount(), fingerprint);
4679                                break;
4680                            case R.id.action_manage_accounts:
4681                                AccountUtils.launchManageAccounts(activity);
4682                                break;
4683                        }
4684                        return true;
4685                    });
4686        }
4687        popupMenu.show();
4688    }
4689
4690    @Override
4691    public void onContactPictureClicked(Message message) {
4692        setThread(message.getThread());
4693        if (message.isPrivateMessage()) {
4694            privateMessageWith(message.getCounterpart());
4695            return;
4696        }
4697        forkNullThread(message);
4698        conversation.setUserSelectedThread(true);
4699
4700        final boolean received = message.getStatus() <= Message.STATUS_RECEIVED;
4701        if (received) {
4702            if (message.getConversation() instanceof Conversation
4703                    && message.getConversation().getMode() == Conversation.MODE_MULTI) {
4704                Jid tcp = message.getTrueCounterpart();
4705                Jid user = message.getCounterpart();
4706                if (user != null && !user.isBareJid()) {
4707                    final MucOptions mucOptions =
4708                            ((Conversation) message.getConversation()).getMucOptions();
4709                    if (mucOptions.participating()
4710                            || ((Conversation) message.getConversation()).getNextCounterpart()
4711                                    != null) {
4712                        MucOptions.User mucUser = mucOptions.findUserByFullJid(user);
4713                        MucOptions.User tcpMucUser = mucOptions.findUserByRealJid(tcp == null ? null : tcp.asBareJid());
4714                        if (mucUser == null && tcpMucUser == null) {
4715                            Toast.makeText(
4716                                            getActivity(),
4717                                            activity.getString(
4718                                                    R.string.user_has_left_conference,
4719                                                    user.getResource()),
4720                                            Toast.LENGTH_SHORT)
4721                                    .show();
4722                        }
4723                        highlightInConference(mucUser == null || mucUser.getNick() == null ? (tcpMucUser == null || tcpMucUser.getNick() == null ? user.getResource() : tcpMucUser.getNick()) : mucUser.getNick());
4724                    } else {
4725                        Toast.makeText(
4726                                        getActivity(),
4727                                        R.string.you_are_not_participating,
4728                                        Toast.LENGTH_SHORT)
4729                                .show();
4730                    }
4731                }
4732            }
4733        }
4734    }
4735
4736    private Activity requireActivity() {
4737        Activity activity = getActivity();
4738        if (activity == null) activity = this.activity;
4739        if (activity == null) {
4740            throw new IllegalStateException("Activity not attached");
4741        }
4742        return activity;
4743    }
4744}