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.TextUtils;
  43import android.text.TextWatcher;
  44import android.text.SpannableStringBuilder;
  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.EditMessageSelectionActionModeCallback;
  93import com.cheogram.android.WebxdcPage;
  94import com.cheogram.android.WebxdcStore;
  95
  96import com.google.android.material.color.MaterialColors;
  97import com.google.android.material.dialog.MaterialAlertDialogBuilder;
  98import com.google.common.base.Optional;
  99import com.google.common.collect.Collections2;
 100import com.google.common.collect.ImmutableList;
 101import com.google.common.collect.ImmutableSet;
 102import com.google.common.collect.Lists;
 103import com.google.common.collect.Ordering;
 104import com.google.common.io.Files;
 105
 106import com.otaliastudios.autocomplete.Autocomplete;
 107import com.otaliastudios.autocomplete.AutocompleteCallback;
 108import com.otaliastudios.autocomplete.AutocompletePresenter;
 109import com.otaliastudios.autocomplete.CharPolicy;
 110import com.otaliastudios.autocomplete.RecyclerViewPresenter;
 111
 112import org.jetbrains.annotations.NotNull;
 113
 114import io.ipfs.cid.Cid;
 115
 116import java.io.File;
 117import java.net.URISyntaxException;
 118import java.util.AbstractMap;
 119import java.util.ArrayList;
 120import java.util.Arrays;
 121import java.util.Collection;
 122import java.util.Collections;
 123import java.util.HashSet;
 124import java.util.Iterator;
 125import java.util.List;
 126import java.util.Locale;
 127import java.util.Map;
 128import java.util.Set;
 129import java.util.UUID;
 130import java.util.concurrent.atomic.AtomicBoolean;
 131import java.util.regex.Matcher;
 132import java.util.regex.Pattern;
 133import java.util.stream.Collectors;
 134
 135import com.google.common.collect.Iterables;
 136import de.gultsch.common.Linkify;
 137import de.gultsch.common.Patterns;
 138import eu.siacs.conversations.Config;
 139import eu.siacs.conversations.R;
 140import eu.siacs.conversations.crypto.axolotl.AxolotlService;
 141import eu.siacs.conversations.crypto.axolotl.FingerprintStatus;
 142import eu.siacs.conversations.databinding.FragmentConversationBinding;
 143import eu.siacs.conversations.entities.Account;
 144import eu.siacs.conversations.entities.Blockable;
 145import eu.siacs.conversations.entities.Contact;
 146import eu.siacs.conversations.entities.Conversation;
 147import eu.siacs.conversations.entities.Conversational;
 148import eu.siacs.conversations.entities.DownloadableFile;
 149import eu.siacs.conversations.entities.Message;
 150import eu.siacs.conversations.entities.MucOptions;
 151import eu.siacs.conversations.entities.MucOptions.User;
 152import eu.siacs.conversations.entities.Presence;
 153import eu.siacs.conversations.entities.Presences;
 154import eu.siacs.conversations.entities.ReadByMarker;
 155import eu.siacs.conversations.entities.Transferable;
 156import eu.siacs.conversations.entities.TransferablePlaceholder;
 157import eu.siacs.conversations.http.HttpDownloadConnection;
 158import eu.siacs.conversations.persistance.FileBackend;
 159import eu.siacs.conversations.services.CallIntegrationConnectionService;
 160import eu.siacs.conversations.services.MessageArchiveService;
 161import eu.siacs.conversations.services.QuickConversationsService;
 162import eu.siacs.conversations.services.XmppConnectionService;
 163import eu.siacs.conversations.ui.adapter.CommandAdapter;
 164import eu.siacs.conversations.ui.adapter.MediaPreviewAdapter;
 165import eu.siacs.conversations.ui.adapter.MessageAdapter;
 166import eu.siacs.conversations.ui.adapter.UserAdapter;
 167import eu.siacs.conversations.ui.util.ActivityResult;
 168import eu.siacs.conversations.ui.util.Attachment;
 169import eu.siacs.conversations.ui.util.ConversationMenuConfigurator;
 170import eu.siacs.conversations.ui.util.DateSeparator;
 171import eu.siacs.conversations.ui.util.EditMessageActionModeCallback;
 172import eu.siacs.conversations.ui.util.ListViewUtils;
 173import eu.siacs.conversations.ui.util.MenuDoubleTabUtil;
 174import eu.siacs.conversations.ui.util.MucDetailsContextMenuHelper;
 175import eu.siacs.conversations.ui.util.PendingItem;
 176import eu.siacs.conversations.ui.util.PresenceSelector;
 177import eu.siacs.conversations.ui.util.ScrollState;
 178import eu.siacs.conversations.ui.util.SendButtonAction;
 179import eu.siacs.conversations.ui.util.SendButtonTool;
 180import eu.siacs.conversations.ui.util.ShareUtil;
 181import eu.siacs.conversations.ui.util.ViewUtil;
 182import eu.siacs.conversations.ui.widget.EditMessage;
 183import eu.siacs.conversations.utils.AccountUtils;
 184import eu.siacs.conversations.utils.Compatibility;
 185import eu.siacs.conversations.utils.Emoticons;
 186import eu.siacs.conversations.utils.GeoHelper;
 187import eu.siacs.conversations.utils.MessageUtils;
 188import eu.siacs.conversations.utils.MimeUtils;
 189import eu.siacs.conversations.utils.NickValidityChecker;
 190import eu.siacs.conversations.utils.PermissionUtils;
 191import eu.siacs.conversations.utils.QuickLoader;
 192import eu.siacs.conversations.utils.StylingHelper;
 193import eu.siacs.conversations.utils.TimeFrameUtils;
 194import eu.siacs.conversations.utils.UIHelper;
 195import eu.siacs.conversations.xml.Element;
 196import eu.siacs.conversations.xml.Namespace;
 197import eu.siacs.conversations.xmpp.Jid;
 198import eu.siacs.conversations.xmpp.XmppConnection;
 199import eu.siacs.conversations.xmpp.chatstate.ChatState;
 200import eu.siacs.conversations.xmpp.jingle.AbstractJingleConnection;
 201import eu.siacs.conversations.xmpp.jingle.JingleConnectionManager;
 202import eu.siacs.conversations.xmpp.jingle.JingleFileTransferConnection;
 203import eu.siacs.conversations.xmpp.jingle.Media;
 204import eu.siacs.conversations.xmpp.jingle.OngoingRtpSession;
 205import eu.siacs.conversations.xmpp.jingle.RtpCapability;
 206import eu.siacs.conversations.xmpp.jingle.RtpEndUserState;
 207
 208import im.conversations.android.xmpp.model.stanza.Iq;
 209
 210import org.jetbrains.annotations.NotNull;
 211
 212public class ConversationFragment extends XmppFragment
 213        implements EditMessage.KeyboardListener,
 214                MessageAdapter.OnContactPictureLongClicked,
 215                MessageAdapter.OnContactPictureClicked,
 216                MessageAdapter.OnInlineImageLongClicked {
 217
 218    public static final int REQUEST_SEND_MESSAGE = 0x0201;
 219    public static final int REQUEST_DECRYPT_PGP = 0x0202;
 220    public static final int REQUEST_ENCRYPT_MESSAGE = 0x0207;
 221    public static final int REQUEST_TRUST_KEYS_TEXT = 0x0208;
 222    public static final int REQUEST_TRUST_KEYS_ATTACHMENTS = 0x0209;
 223    public static final int REQUEST_START_DOWNLOAD = 0x0210;
 224    public static final int REQUEST_ADD_EDITOR_CONTENT = 0x0211;
 225    public static final int REQUEST_COMMIT_ATTACHMENTS = 0x0212;
 226    public static final int REQUEST_START_AUDIO_CALL = 0x213;
 227    public static final int REQUEST_START_VIDEO_CALL = 0x214;
 228    public static final int REQUEST_SAVE_STICKER = 0x215;
 229    public static final int REQUEST_WEBXDC_STORE = 0x216;
 230    public static final int ATTACHMENT_CHOICE_CHOOSE_IMAGE = 0x0301;
 231    public static final int ATTACHMENT_CHOICE_TAKE_PHOTO = 0x0302;
 232    public static final int ATTACHMENT_CHOICE_CHOOSE_FILE = 0x0303;
 233    public static final int ATTACHMENT_CHOICE_RECORD_VOICE = 0x0304;
 234    public static final int ATTACHMENT_CHOICE_LOCATION = 0x0305;
 235    public static final int ATTACHMENT_CHOICE_INVALID = 0x0306;
 236    public static final int ATTACHMENT_CHOICE_RECORD_VIDEO = 0x0307;
 237
 238    public static final String RECENTLY_USED_QUICK_ACTION = "recently_used_quick_action";
 239    public static final String STATE_CONVERSATION_UUID =
 240            ConversationFragment.class.getName() + ".uuid";
 241    public static final String STATE_SCROLL_POSITION =
 242            ConversationFragment.class.getName() + ".scroll_position";
 243    public static final String STATE_PHOTO_URI =
 244            ConversationFragment.class.getName() + ".media_previews";
 245    public static final String STATE_MEDIA_PREVIEWS =
 246            ConversationFragment.class.getName() + ".take_photo_uri";
 247    private static final String STATE_LAST_MESSAGE_UUID = "state_last_message_uuid";
 248
 249    private final List<Message> messageList = new ArrayList<>();
 250    private final PendingItem<ActivityResult> postponedActivityResult = new PendingItem<>();
 251    private final PendingItem<String> pendingConversationsUuid = new PendingItem<>();
 252    private final PendingItem<ArrayList<Attachment>> pendingMediaPreviews = new PendingItem<>();
 253    private final PendingItem<Bundle> pendingExtras = new PendingItem<>();
 254    private final PendingItem<Uri> pendingTakePhotoUri = new PendingItem<>();
 255    private final PendingItem<ScrollState> pendingScrollState = new PendingItem<>();
 256    private final PendingItem<String> pendingLastMessageUuid = new PendingItem<>();
 257    private final PendingItem<Message> pendingMessage = new PendingItem<>();
 258    public Uri mPendingEditorContent = null;
 259    protected ArrayList<WebxdcPage> extensions = new ArrayList<>();
 260    protected MessageAdapter messageListAdapter;
 261    protected CommandAdapter commandAdapter;
 262    private MediaPreviewAdapter mediaPreviewAdapter;
 263    private String lastMessageUuid = null;
 264    private Conversation conversation;
 265    private FragmentConversationBinding binding;
 266    private Toast messageLoaderToast;
 267    private ConversationsActivity activity;
 268    private boolean reInitRequiredOnStart = true;
 269    private int identiconWidth = -1;
 270    private File savingAsSticker = null;
 271    private EmojiSearch emojiSearch = null;
 272    private final OnClickListener clickToMuc =
 273            new OnClickListener() {
 274
 275                @Override
 276                public void onClick(View v) {
 277                    ConferenceDetailsActivity.open(getActivity(), conversation);
 278                }
 279            };
 280    private final OnClickListener leaveMuc =
 281            new OnClickListener() {
 282
 283                @Override
 284                public void onClick(View v) {
 285                    activity.xmppConnectionService.archiveConversation(conversation);
 286                }
 287            };
 288    private final OnClickListener joinMuc =
 289            new OnClickListener() {
 290
 291                @Override
 292                public void onClick(View v) {
 293                    activity.xmppConnectionService.joinMuc(conversation);
 294                }
 295            };
 296
 297    private final OnClickListener acceptJoin =
 298            new OnClickListener() {
 299                @Override
 300                public void onClick(View v) {
 301                    conversation.setAttribute("accept_non_anonymous", true);
 302                    activity.xmppConnectionService.updateConversation(conversation);
 303                    activity.xmppConnectionService.joinMuc(conversation);
 304                }
 305            };
 306
 307    private final OnClickListener enterPassword =
 308            new OnClickListener() {
 309
 310                @Override
 311                public void onClick(View v) {
 312                    MucOptions muc = conversation.getMucOptions();
 313                    String password = muc.getPassword();
 314                    if (password == null) {
 315                        password = "";
 316                    }
 317                    activity.quickPasswordEdit(
 318                            password,
 319                            value -> {
 320                                activity.xmppConnectionService.providePasswordForMuc(
 321                                        conversation, value);
 322                                return null;
 323                            });
 324                }
 325            };
 326    private final OnScrollListener mOnScrollListener =
 327            new OnScrollListener() {
 328
 329                @Override
 330                public void onScrollStateChanged(AbsListView view, int scrollState) {
 331                    if (AbsListView.OnScrollListener.SCROLL_STATE_IDLE == scrollState) {
 332                        updateThreadFromLastMessage();
 333                        fireReadEvent();
 334                    }
 335                }
 336
 337                @Override
 338                public void onScroll(
 339                        final AbsListView view,
 340                        int firstVisibleItem,
 341                        int visibleItemCount,
 342                        int totalItemCount) {
 343                    toggleScrollDownButton(view);
 344                    synchronized (ConversationFragment.this.messageList) {
 345                        if (firstVisibleItem < 5
 346                                && conversation != null
 347                                && conversation.messagesLoaded.compareAndSet(true, false)
 348                                && messageList.size() > 0) {
 349                            long timestamp = conversation.loadMoreTimestamp();
 350                            activity.xmppConnectionService.loadMoreMessages(
 351                                    conversation,
 352                                    timestamp,
 353                                    new XmppConnectionService.OnMoreMessagesLoaded() {
 354                                        @Override
 355                                        public void onMoreMessagesLoaded(
 356                                                final int c, final Conversation conversation) {
 357                                            if (ConversationFragment.this.conversation
 358                                                    != conversation) {
 359                                                conversation.messagesLoaded.set(true);
 360                                                return;
 361                                            }
 362                                            runOnUiThread(
 363                                                    () -> {
 364                                                        synchronized (messageList) {
 365                                                            final int oldPosition =
 366                                                                    binding.messagesView
 367                                                                            .getFirstVisiblePosition();
 368                                                            Message message = null;
 369                                                            int childPos;
 370                                                            for (childPos = 0;
 371                                                                    childPos + oldPosition
 372                                                                            < messageList.size();
 373                                                                    ++childPos) {
 374                                                                message =
 375                                                                        messageList.get(
 376                                                                                oldPosition
 377                                                                                        + childPos);
 378                                                                if (message.getType()
 379                                                                        != Message.TYPE_STATUS) {
 380                                                                    break;
 381                                                                }
 382                                                            }
 383                                                            final String uuid =
 384                                                                    message != null
 385                                                                            ? message.getUuid()
 386                                                                            : null;
 387                                                            View v =
 388                                                                    binding.messagesView.getChildAt(
 389                                                                            childPos);
 390                                                            final int pxOffset =
 391                                                                    (v == null) ? 0 : v.getTop();
 392                                                            ConversationFragment.this.conversation
 393                                                                    .populateWithMessages(
 394                                                                            ConversationFragment
 395                                                                                    .this
 396                                                                                    .messageList, activity == null ? null : activity.xmppConnectionService);
 397                                                            try {
 398                                                                updateStatusMessages();
 399                                                            } catch (IllegalStateException e) {
 400                                                                Log.d(
 401                                                                        Config.LOGTAG,
 402                                                                        "caught illegal state"
 403                                                                                + " exception while"
 404                                                                                + " updating status"
 405                                                                                + " messages");
 406                                                            }
 407                                                            messageListAdapter
 408                                                                    .notifyDataSetChanged();
 409                                                            int pos =
 410                                                                    Math.max(
 411                                                                            getIndexOf(
 412                                                                                    uuid,
 413                                                                                    messageList),
 414                                                                            0);
 415                                                            binding.messagesView
 416                                                                    .setSelectionFromTop(
 417                                                                            pos, pxOffset);
 418                                                            if (messageLoaderToast != null) {
 419                                                                messageLoaderToast.cancel();
 420                                                            }
 421                                                            conversation.messagesLoaded.set(true);
 422                                                        }
 423                                                    });
 424                                        }
 425
 426                                        @Override
 427                                        public void informUser(final int resId) {
 428
 429                                            runOnUiThread(
 430                                                    () -> {
 431                                                        if (messageLoaderToast != null) {
 432                                                            messageLoaderToast.cancel();
 433                                                        }
 434                                                        if (ConversationFragment.this.conversation
 435                                                                != conversation) {
 436                                                            return;
 437                                                        }
 438                                                        messageLoaderToast =
 439                                                                Toast.makeText(
 440                                                                        view.getContext(),
 441                                                                        resId,
 442                                                                        Toast.LENGTH_LONG);
 443                                                        messageLoaderToast.show();
 444                                                    });
 445                                        }
 446                                    });
 447                        }
 448                    }
 449                }
 450            };
 451    private final EditMessage.OnCommitContentListener mEditorContentListener =
 452            new EditMessage.OnCommitContentListener() {
 453                @Override
 454                public boolean onCommitContent(
 455                        InputContentInfoCompat inputContentInfo,
 456                        int flags,
 457                        Bundle opts,
 458                        String[] contentMimeTypes) {
 459                    // try to get permission to read the image, if applicable
 460                    if ((flags & InputConnectionCompat.INPUT_CONTENT_GRANT_READ_URI_PERMISSION)
 461                            != 0) {
 462                        try {
 463                            inputContentInfo.requestPermission();
 464                        } catch (Exception e) {
 465                            Log.e(
 466                                    Config.LOGTAG,
 467                                    "InputContentInfoCompat#requestPermission() failed.",
 468                                    e);
 469                            Toast.makeText(
 470                                            getActivity(),
 471                                            activity.getString(
 472                                                    R.string.no_permission_to_access_x,
 473                                                    inputContentInfo.getDescription()),
 474                                            Toast.LENGTH_LONG)
 475                                    .show();
 476                            return false;
 477                        }
 478                    }
 479                    if (hasPermissions(
 480                            REQUEST_ADD_EDITOR_CONTENT,
 481                            Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
 482                        attachEditorContentToConversation(inputContentInfo.getContentUri());
 483                    } else {
 484                        mPendingEditorContent = inputContentInfo.getContentUri();
 485                    }
 486                    return true;
 487                }
 488            };
 489    private Message selectedMessage;
 490    private final OnClickListener mEnableAccountListener =
 491            new OnClickListener() {
 492                @Override
 493                public void onClick(View v) {
 494                    final Account account = conversation == null ? null : conversation.getAccount();
 495                    if (account != null) {
 496                        account.setOption(Account.OPTION_SOFT_DISABLED, false);
 497                        account.setOption(Account.OPTION_DISABLED, false);
 498                        activity.xmppConnectionService.updateAccount(account);
 499                    }
 500                }
 501            };
 502    private final OnClickListener mUnblockClickListener =
 503            new OnClickListener() {
 504                @Override
 505                public void onClick(final View v) {
 506                    v.post(() -> v.setVisibility(View.INVISIBLE));
 507                    if (conversation.isDomainBlocked()) {
 508                        BlockContactDialog.show(activity, conversation);
 509                    } else {
 510                        unblockConversation(conversation);
 511                    }
 512                }
 513            };
 514    private final OnClickListener mBlockClickListener = this::showBlockSubmenu;
 515    private final OnClickListener mAddBackClickListener =
 516            new OnClickListener() {
 517
 518                @Override
 519                public void onClick(View v) {
 520                    final Contact contact = conversation == null ? null : conversation.getContact();
 521                    if (contact != null) {
 522                        activity.xmppConnectionService.createContact(contact, true);
 523                        activity.switchToContactDetails(contact);
 524                    }
 525                }
 526            };
 527    private final View.OnLongClickListener mLongPressBlockListener = this::showBlockSubmenu;
 528    private final OnClickListener mAllowPresenceSubscription =
 529            new OnClickListener() {
 530                @Override
 531                public void onClick(View v) {
 532                    final Contact contact = conversation == null ? null : conversation.getContact();
 533                    if (contact != null) {
 534                        activity.xmppConnectionService.sendPresencePacket(
 535                                contact.getAccount(),
 536                                activity.xmppConnectionService
 537                                        .getPresenceGenerator()
 538                                        .sendPresenceUpdatesTo(contact));
 539                        hideSnackbar();
 540                    }
 541                }
 542            };
 543    protected OnClickListener clickToDecryptListener =
 544            new OnClickListener() {
 545
 546                @Override
 547                public void onClick(View v) {
 548                    PendingIntent pendingIntent =
 549                            conversation.getAccount().getPgpDecryptionService().getPendingIntent();
 550                    if (pendingIntent != null) {
 551                        try {
 552                            getActivity()
 553                                    .startIntentSenderForResult(
 554                                            pendingIntent.getIntentSender(),
 555                                            REQUEST_DECRYPT_PGP,
 556                                            null,
 557                                            0,
 558                                            0,
 559                                            0,
 560                                            Compatibility.pgpStartIntentSenderOptions());
 561                        } catch (SendIntentException e) {
 562                            Toast.makeText(
 563                                            getActivity(),
 564                                            R.string.unable_to_connect_to_keychain,
 565                                            Toast.LENGTH_SHORT)
 566                                    .show();
 567                            conversation
 568                                    .getAccount()
 569                                    .getPgpDecryptionService()
 570                                    .continueDecryption(true);
 571                        }
 572                    }
 573                    updateSnackBar(conversation);
 574                }
 575            };
 576    private final AtomicBoolean mSendingPgpMessage = new AtomicBoolean(false);
 577    private final OnEditorActionListener mEditorActionListener =
 578            (v, actionId, event) -> {
 579                if (actionId == EditorInfo.IME_ACTION_SEND) {
 580                    InputMethodManager imm =
 581                            (InputMethodManager)
 582                                    activity.getSystemService(Context.INPUT_METHOD_SERVICE);
 583                    if (imm != null && imm.isFullscreenMode()) {
 584                        imm.hideSoftInputFromWindow(v.getWindowToken(), 0);
 585                    }
 586                    sendMessage();
 587                    return true;
 588                } else {
 589                    return false;
 590                }
 591            };
 592    private final OnClickListener mScrollButtonListener =
 593            new OnClickListener() {
 594
 595                @Override
 596                public void onClick(View v) {
 597                    stopScrolling();
 598                    setSelection(binding.messagesView.getCount() - 1, true);
 599                }
 600            };
 601    private final OnClickListener mSendButtonListener =
 602            new OnClickListener() {
 603
 604                @Override
 605                public void onClick(View v) {
 606                    Object tag = v.getTag();
 607                    if (tag instanceof SendButtonAction) {
 608                        SendButtonAction action = (SendButtonAction) tag;
 609                        switch (action) {
 610                            case TAKE_PHOTO:
 611                            case RECORD_VIDEO:
 612                            case SEND_LOCATION:
 613                            case RECORD_VOICE:
 614                            case CHOOSE_PICTURE:
 615                                attachFile(action.toChoice());
 616                                break;
 617                            case CANCEL:
 618                                if (conversation != null) {
 619                                    conversation.setUserSelectedThread(false);
 620                                    if (conversation.setCorrectingMessage(null)) {
 621                                        binding.textinput.setText("");
 622                                        binding.textinput.append(conversation.getDraftMessage());
 623                                        conversation.setDraftMessage(null);
 624                                    } else if (conversation.getMode() == Conversation.MODE_MULTI) {
 625                                        conversation.setNextCounterpart(null);
 626                                        binding.textinput.setText("");
 627                                    } else {
 628                                        binding.textinput.setText("");
 629                                    }
 630                                    binding.textinputSubject.setText("");
 631                                    binding.textinputSubject.setVisibility(View.GONE);
 632                                    updateChatMsgHint();
 633                                    updateSendButton();
 634                                    updateEditablity();
 635                                }
 636                                break;
 637                            default:
 638                                sendMessage();
 639                        }
 640                    } else {
 641                        sendMessage();
 642                    }
 643                }
 644            };
 645    private OnBackPressedCallback backPressedLeaveSingleThread = new OnBackPressedCallback(false) {
 646        @Override
 647        public void handleOnBackPressed() {
 648            conversation.setLockThread(false);
 649            this.setEnabled(false);
 650            conversation.setUserSelectedThread(false);
 651            setThread(null);
 652            refresh();
 653            updateThreadFromLastMessage();
 654        }
 655    };
 656    private int completionIndex = 0;
 657    private int lastCompletionLength = 0;
 658    private String incomplete;
 659    private int lastCompletionCursor;
 660    private boolean firstWord = false;
 661    private Message mPendingDownloadableMessage;
 662
 663    private static ConversationFragment findConversationFragment(Activity activity) {
 664        Fragment fragment = activity.getFragmentManager().findFragmentById(R.id.main_fragment);
 665        if (fragment instanceof ConversationFragment) {
 666            return (ConversationFragment) fragment;
 667        }
 668        fragment = activity.getFragmentManager().findFragmentById(R.id.secondary_fragment);
 669        if (fragment instanceof ConversationFragment) {
 670            return (ConversationFragment) fragment;
 671        }
 672        return null;
 673    }
 674
 675    public static void startStopPending(Activity activity) {
 676        ConversationFragment fragment = findConversationFragment(activity);
 677        if (fragment != null) {
 678            fragment.messageListAdapter.startStopPending();
 679        }
 680    }
 681
 682    public static void downloadFile(Activity activity, Message message) {
 683        ConversationFragment fragment = findConversationFragment(activity);
 684        if (fragment != null) {
 685            fragment.startDownloadable(message);
 686        }
 687    }
 688
 689    public static void registerPendingMessage(Activity activity, Message message) {
 690        ConversationFragment fragment = findConversationFragment(activity);
 691        if (fragment != null) {
 692            fragment.pendingMessage.push(message);
 693        }
 694    }
 695
 696    public static void openPendingMessage(Activity activity) {
 697        ConversationFragment fragment = findConversationFragment(activity);
 698        if (fragment != null) {
 699            Message message = fragment.pendingMessage.pop();
 700            if (message != null) {
 701                fragment.messageListAdapter.openDownloadable(message);
 702            }
 703        }
 704    }
 705
 706    public static Conversation getConversation(Activity activity) {
 707        return getConversation(activity, R.id.secondary_fragment);
 708    }
 709
 710    private static Conversation getConversation(Activity activity, @IdRes int res) {
 711        final Fragment fragment = activity.getFragmentManager().findFragmentById(res);
 712        if (fragment instanceof ConversationFragment) {
 713            return ((ConversationFragment) fragment).getConversation();
 714        } else {
 715            return null;
 716        }
 717    }
 718
 719    public static ConversationFragment get(Activity activity) {
 720        FragmentManager fragmentManager = activity.getFragmentManager();
 721        Fragment fragment = fragmentManager.findFragmentById(R.id.main_fragment);
 722        if (fragment instanceof ConversationFragment) {
 723            return (ConversationFragment) fragment;
 724        } else {
 725            fragment = fragmentManager.findFragmentById(R.id.secondary_fragment);
 726            return fragment instanceof ConversationFragment
 727                    ? (ConversationFragment) fragment
 728                    : null;
 729        }
 730    }
 731
 732    public static Conversation getConversationReliable(Activity activity) {
 733        final Conversation conversation = getConversation(activity, R.id.secondary_fragment);
 734        if (conversation != null) {
 735            return conversation;
 736        }
 737        return getConversation(activity, R.id.main_fragment);
 738    }
 739
 740    private static boolean scrolledToBottom(AbsListView listView) {
 741        final int count = listView.getCount();
 742        if (count == 0) {
 743            return true;
 744        } else if (listView.getLastVisiblePosition() == count - 1) {
 745            final View lastChild = listView.getChildAt(listView.getChildCount() - 1);
 746            return lastChild != null && lastChild.getBottom() <= listView.getHeight();
 747        } else {
 748            return false;
 749        }
 750    }
 751
 752    private void toggleScrollDownButton() {
 753        toggleScrollDownButton(binding.messagesView);
 754    }
 755
 756    private void toggleScrollDownButton(AbsListView listView) {
 757        if (conversation == null) {
 758            return;
 759        }
 760        if (scrolledToBottom(listView)) {
 761            lastMessageUuid = null;
 762            hideUnreadMessagesCount();
 763        } else {
 764            binding.scrollToBottomButton.setEnabled(true);
 765            binding.scrollToBottomButton.show();
 766            if (lastMessageUuid == null) {
 767                lastMessageUuid = conversation.getLatestMessage().getUuid();
 768            }
 769            if (conversation.getReceivedMessagesCountSinceUuid(lastMessageUuid) > 0) {
 770                binding.unreadCountCustomView.setVisibility(View.VISIBLE);
 771            }
 772        }
 773    }
 774
 775    private int getIndexOf(String uuid, List<Message> messages) {
 776        if (uuid == null) {
 777            return messages.size() - 1;
 778        }
 779        for (int i = 0; i < messages.size(); ++i) {
 780            if (uuid.equals(messages.get(i).getUuid())) {
 781                return i;
 782            }
 783        }
 784        return -1;
 785    }
 786
 787    private ScrollState getScrollPosition() {
 788        final ListView listView = this.binding == null ? null : this.binding.messagesView;
 789        if (listView == null
 790                || listView.getCount() == 0
 791                || listView.getLastVisiblePosition() == listView.getCount() - 1) {
 792            return null;
 793        } else {
 794            final int pos = listView.getFirstVisiblePosition();
 795            final View view = listView.getChildAt(0);
 796            if (view == null) {
 797                return null;
 798            } else {
 799                return new ScrollState(pos, view.getTop());
 800            }
 801        }
 802    }
 803
 804    private void setScrollPosition(ScrollState scrollPosition, String lastMessageUuid) {
 805        if (scrollPosition != null) {
 806
 807            this.lastMessageUuid = lastMessageUuid;
 808            if (lastMessageUuid != null) {
 809                binding.unreadCountCustomView.setUnreadCount(
 810                        conversation.getReceivedMessagesCountSinceUuid(lastMessageUuid));
 811            }
 812            // TODO maybe this needs a 'post'
 813            this.binding.messagesView.setSelectionFromTop(
 814                    scrollPosition.position, scrollPosition.offset);
 815            toggleScrollDownButton();
 816        }
 817    }
 818
 819    private void attachLocationToConversation(Conversation conversation, Uri uri) {
 820        if (conversation == null) {
 821            return;
 822        }
 823        final String subject = binding.textinputSubject.getText().toString();
 824        activity.xmppConnectionService.attachLocationToConversation(
 825                conversation,
 826                uri,
 827                subject,
 828                new UiCallback<Message>() {
 829
 830                    @Override
 831                    public void success(Message message) {
 832                        messageSent();
 833                    }
 834
 835                    @Override
 836                    public void error(int errorCode, Message object) {
 837                        // TODO show possible pgp error
 838                    }
 839
 840                    @Override
 841                    public void userInputRequired(PendingIntent pi, Message object) {}
 842                });
 843    }
 844
 845    private void attachFileToConversation(Conversation conversation, Uri uri, String type, Runnable next) {
 846        if (conversation == null) {
 847            return;
 848        }
 849        final String subject = binding.textinputSubject.getText().toString();
 850        if ("application/webxdc+zip".equals(type)) newSubThread();
 851        final Toast prepareFileToast =
 852                Toast.makeText(getActivity(), getText(R.string.preparing_file), Toast.LENGTH_LONG);
 853        prepareFileToast.show();
 854        activity.delegateUriPermissionsToService(uri);
 855        activity.xmppConnectionService.attachFileToConversation(
 856                conversation,
 857                uri,
 858                type,
 859                subject,
 860                new UiInformableCallback<Message>() {
 861                    @Override
 862                    public void inform(final String text) {
 863                        hidePrepareFileToast(prepareFileToast);
 864                        runOnUiThread(() -> activity.replaceToast(text));
 865                    }
 866
 867                    @Override
 868                    public void success(Message message) {
 869                        if (next == null) {
 870                            runOnUiThread(() -> {
 871                                activity.hideToast();
 872                                messageSent();
 873                            });
 874                        } else {
 875                            runOnUiThread(next);
 876                        }
 877                        hidePrepareFileToast(prepareFileToast);
 878                    }
 879
 880                    @Override
 881                    public void error(final int errorCode, Message message) {
 882                        hidePrepareFileToast(prepareFileToast);
 883                        runOnUiThread(() -> activity.replaceToast(getString(errorCode)));
 884                    }
 885
 886                    @Override
 887                    public void userInputRequired(PendingIntent pi, Message message) {
 888                        hidePrepareFileToast(prepareFileToast);
 889                    }
 890                });
 891    }
 892
 893    public void attachEditorContentToConversation(Uri uri) {
 894        mediaPreviewAdapter.addMediaPreviews(
 895                Attachment.of(getActivity(), uri, Attachment.Type.FILE));
 896        toggleInputMethod();
 897    }
 898
 899    private void attachImageToConversation(Conversation conversation, Uri uri, String type, Runnable next) {
 900        if (conversation == null) {
 901            return;
 902        }
 903        final String subject = binding.textinputSubject.getText().toString();
 904        final Toast prepareFileToast =
 905                Toast.makeText(getActivity(), getText(R.string.preparing_image), Toast.LENGTH_LONG);
 906        prepareFileToast.show();
 907        activity.delegateUriPermissionsToService(uri);
 908        activity.xmppConnectionService.attachImageToConversation(
 909                conversation,
 910                uri,
 911                type,
 912                subject,
 913                new UiCallback<Message>() {
 914
 915                    @Override
 916                    public void userInputRequired(PendingIntent pi, Message object) {
 917                        hidePrepareFileToast(prepareFileToast);
 918                    }
 919
 920                    @Override
 921                    public void success(Message message) {
 922                        hidePrepareFileToast(prepareFileToast);
 923                        if (next == null) {
 924                            runOnUiThread(() -> messageSent());
 925                        } else {
 926                            runOnUiThread(next);
 927                        }
 928                    }
 929
 930                    @Override
 931                    public void error(final int error, final Message message) {
 932                        hidePrepareFileToast(prepareFileToast);
 933                        final ConversationsActivity activity = ConversationFragment.this.activity;
 934                        if (activity == null) {
 935                            return;
 936                        }
 937                        activity.runOnUiThread(() -> activity.replaceToast(getString(error)));
 938                    }
 939                });
 940    }
 941
 942    private void hidePrepareFileToast(final Toast prepareFileToast) {
 943        if (prepareFileToast != null && activity != null) {
 944            activity.runOnUiThread(prepareFileToast::cancel);
 945        }
 946    }
 947
 948    private void sendMessage() {
 949        sendMessage((Long) null);
 950    }
 951
 952    private void sendMessage(Long sendAt) {
 953        if (sendAt != null && sendAt < System.currentTimeMillis()) sendAt = null; // No sending in past plz
 954        if (mediaPreviewAdapter.hasAttachments()) {
 955            commitAttachments();
 956            return;
 957        }
 958        Editable body = this.binding.textinput.getText();
 959        if (body == null) body = new SpannableStringBuilder("");
 960        if (body.length() > Config.MAX_DISPLAY_MESSAGE_CHARS) {
 961            Toast.makeText(activity, "Message is too long", Toast.LENGTH_SHORT).show();
 962            return;
 963        }
 964        final Conversation conversation = this.conversation;
 965        final boolean hasSubject = binding.textinputSubject.getText().length() > 0;
 966        if (conversation == null || (body.length() == 0 && (conversation.getThread() == null || !hasSubject))) {
 967            if (Build.VERSION.SDK_INT >= 24) {
 968                binding.textSendButton.showContextMenu(0, 0);
 969            } else {
 970                binding.textSendButton.showContextMenu();
 971            }
 972            return;
 973        }
 974        if (trustKeysIfNeeded(conversation, REQUEST_TRUST_KEYS_TEXT)) {
 975            return;
 976        }
 977        final Message message;
 978        if (conversation.getCorrectingMessage() == null) {
 979            boolean attention = false;
 980            if (Pattern.compile("\\A@here\\s.*").matcher(body).find()) {
 981                attention = true;
 982                body.delete(0, 6);
 983                while (body.length() > 0 && Character.isWhitespace(body.charAt(0))) body.delete(0, 1);
 984            }
 985            if (conversation.getReplyTo() != null) {
 986                if (Emoticons.isEmoji(body.toString().replaceAll("\\s", "")) && conversation.getNextCounterpart() == null && !conversation.getReplyTo().isPrivateMessage()) {
 987                    final var aggregated = conversation.getReplyTo().getAggregatedReactions();
 988                    final ImmutableSet.Builder<String> reactionBuilder = new ImmutableSet.Builder<>();
 989                    reactionBuilder.addAll(aggregated.ourReactions);
 990                    reactionBuilder.add(body.toString().replaceAll("\\s", ""));
 991                    activity.xmppConnectionService.sendReactions(conversation.getReplyTo(), reactionBuilder.build());
 992                    messageSent();
 993                    return;
 994                } else {
 995                    message = conversation.getReplyTo().reply();
 996                    message.appendBody(body);
 997                }
 998                message.setEncryption(conversation.getNextEncryption());
 999            } else {
1000                message = new Message(conversation, body.toString(), conversation.getNextEncryption());
1001                message.setBody(hasSubject && body.length() == 0 ? null : body);
1002                if (message.bodyIsOnlyEmojis()) {
1003                    var spannable = message.getSpannableBody(null, null);
1004                    ImageSpan[] imageSpans = spannable.getSpans(0, spannable.length(), ImageSpan.class);
1005                    for (ImageSpan span : imageSpans) {
1006                        final int start = spannable.getSpanStart(span);
1007                        final int end = spannable.getSpanEnd(span);
1008                        spannable.delete(start, end);
1009                    }
1010                    if (imageSpans.length == 1 && spannable.toString().replaceAll("\\s", "").length() < 1) {
1011                        // Only one inline image, so it's a sticker
1012                        String source = imageSpans[0].getSource();
1013                        if (source != null && source.length() > 0 && source.substring(0, 4).equals("cid:")) {
1014                            try {
1015                                final Cid cid = BobTransfer.cid(Uri.parse(source));
1016                                final String url = activity.xmppConnectionService.getUrlForCid(cid);
1017                                final File f = activity.xmppConnectionService.getFileForCid(cid);
1018                                if (url != null) {
1019                                    message.setBody("");
1020                                    message.setRelativeFilePath(f.getAbsolutePath());
1021                                    activity.xmppConnectionService.getFileBackend().updateFileParams(message);
1022                                }
1023                            } catch (final Exception e) { }
1024                        }
1025                    }
1026                }
1027            }
1028            if (hasSubject) message.setSubject(binding.textinputSubject.getText().toString());
1029            message.setThread(conversation.getThread());
1030            if (attention) {
1031                message.addPayload(new Element("attention", "urn:xmpp:attention:0"));
1032            }
1033            Message.configurePrivateMessage(message);
1034        } else {
1035            message = conversation.getCorrectingMessage();
1036            if (hasSubject) message.setSubject(binding.textinputSubject.getText().toString());
1037            message.setThread(conversation.getThread());
1038            if (conversation.getReplyTo() != null) {
1039                if (Emoticons.isEmoji(body.toString().replaceAll("\\s", ""))) {
1040                    message.updateReaction(conversation.getReplyTo(), body.toString().replaceAll("\\s", ""));
1041                } else {
1042                    message.updateReplyTo(conversation.getReplyTo(), body);
1043                }
1044            } else {
1045                message.clearReplyReact();
1046                message.setBody(hasSubject && body.length() == 0 ? null : body);
1047            }
1048            if (message.getStatus() == Message.STATUS_WAITING) {
1049                if (sendAt != null) message.setTime(sendAt);
1050                activity.xmppConnectionService.updateMessage(message);
1051                messageSent();
1052                return;
1053            } else {
1054                message.putEdited(message.getUuid(), message.getServerMsgId());
1055                message.setServerMsgId(null);
1056                message.setUuid(UUID.randomUUID().toString());
1057            }
1058        }
1059        if (sendAt != null) message.setTime(sendAt);
1060        switch (conversation.getNextEncryption()) {
1061            case Message.ENCRYPTION_PGP:
1062                sendPgpMessage(message);
1063                break;
1064            default:
1065                sendMessage(message);
1066        }
1067        setupReply(null);
1068    }
1069
1070    private boolean trustKeysIfNeeded(final Conversation conversation, final int requestCode) {
1071        return conversation.getNextEncryption() == Message.ENCRYPTION_AXOLOTL
1072                && trustKeysIfNeeded(requestCode);
1073    }
1074
1075    protected boolean trustKeysIfNeeded(int requestCode) {
1076        AxolotlService axolotlService = conversation.getAccount().getAxolotlService();
1077        if (axolotlService == null) return false;
1078        final List<Jid> targets = axolotlService.getCryptoTargets(conversation);
1079        boolean hasUnaccepted = !conversation.getAcceptedCryptoTargets().containsAll(targets);
1080        boolean hasUndecidedOwn =
1081                !axolotlService
1082                        .getKeysWithTrust(FingerprintStatus.createActiveUndecided())
1083                        .isEmpty();
1084        boolean hasUndecidedContacts =
1085                !axolotlService
1086                        .getKeysWithTrust(FingerprintStatus.createActiveUndecided(), targets)
1087                        .isEmpty();
1088        boolean hasPendingKeys = !axolotlService.findDevicesWithoutSession(conversation).isEmpty();
1089        boolean hasNoTrustedKeys = axolotlService.anyTargetHasNoTrustedKeys(targets);
1090        boolean downloadInProgress = axolotlService.hasPendingKeyFetches(targets);
1091        if (hasUndecidedOwn
1092                || hasUndecidedContacts
1093                || hasPendingKeys
1094                || hasNoTrustedKeys
1095                || hasUnaccepted
1096                || downloadInProgress) {
1097            axolotlService.createSessionsIfNeeded(conversation);
1098            Intent intent = new Intent(getActivity(), TrustKeysActivity.class);
1099            String[] contacts = new String[targets.size()];
1100            for (int i = 0; i < contacts.length; ++i) {
1101                contacts[i] = targets.get(i).toString();
1102            }
1103            intent.putExtra("contacts", contacts);
1104            intent.putExtra(
1105                    EXTRA_ACCOUNT, conversation.getAccount().getJid().asBareJid().toString());
1106            intent.putExtra("conversation", conversation.getUuid());
1107            startActivityForResult(intent, requestCode);
1108            return true;
1109        } else {
1110            return false;
1111        }
1112    }
1113
1114    public void updateChatMsgHint() {
1115        final boolean multi = conversation.getMode() == Conversation.MODE_MULTI;
1116        if (conversation.getCorrectingMessage() != null) {
1117            this.binding.textInputHint.setVisibility(View.GONE);
1118            this.binding.textinput.setHint(R.string.send_corrected_message);
1119            binding.conversationViewPager.setCurrentItem(0);
1120        } else if (multi && conversation.getNextCounterpart() != null) {
1121            this.binding.textinput.setHint(R.string.send_message);
1122            this.binding.textInputHint.setVisibility(View.VISIBLE);
1123            final MucOptions.User user = conversation.getMucOptions().findUserByName(conversation.getNextCounterpart().getResource());
1124            String nick = user == null ? null : user.getNick();
1125            if (nick == null) nick = conversation.getNextCounterpart().getResource();
1126            this.binding.textInputHint.setText(
1127                    getString(
1128                            R.string.send_private_message_to,
1129                            nick));
1130            binding.conversationViewPager.setCurrentItem(0);
1131        } else if (multi && !conversation.getMucOptions().participating()) {
1132            this.binding.textInputHint.setVisibility(View.GONE);
1133            this.binding.textinput.setHint(R.string.you_are_not_participating);
1134            this.binding.inputLayout.setBackgroundColor(android.R.color.transparent);
1135        } else {
1136            this.binding.textInputHint.setVisibility(View.GONE);
1137            if (activity == null) return;
1138            this.binding.textinput.setHint(UIHelper.getMessageHint(activity, conversation));
1139            this.binding.inputLayout.setBackground(activity.getDrawable(R.drawable.background_message_bubble));
1140            activity.invalidateOptionsMenu();
1141        }
1142
1143        binding.messagesView.post(this::updateThreadFromLastMessage);
1144    }
1145
1146    public void setupIme() {
1147        this.binding.textinput.refreshIme();
1148    }
1149
1150    private void handleActivityResult(ActivityResult activityResult) {
1151        if (activityResult.resultCode == Activity.RESULT_OK) {
1152            handlePositiveActivityResult(activityResult.requestCode, activityResult.data);
1153        } else {
1154            handleNegativeActivityResult(activityResult.requestCode);
1155        }
1156    }
1157
1158    private void handlePositiveActivityResult(int requestCode, final Intent data) {
1159        switch (requestCode) {
1160            case REQUEST_WEBXDC_STORE:
1161                mediaPreviewAdapter.addMediaPreviews(Attachment.of(activity, data.getData(), Attachment.Type.FILE));
1162                toggleInputMethod();
1163                break;
1164            case REQUEST_SAVE_STICKER:
1165                final DocumentFile df = DocumentFile.fromSingleUri(activity, data.getData());
1166                final File f = savingAsSticker;
1167                savingAsSticker = null;
1168                try {
1169                    activity.xmppConnectionService.getFileBackend().copyFileToDocumentFile(activity, f, df);
1170                    Toast.makeText(activity, "Sticker saved", Toast.LENGTH_SHORT).show();
1171                } catch (final FileBackend.FileCopyException e) {
1172                    Toast.makeText(activity, e.getResId(), Toast.LENGTH_SHORT).show();
1173                }
1174                break;
1175            case REQUEST_TRUST_KEYS_TEXT:
1176                sendMessage();
1177                break;
1178            case REQUEST_TRUST_KEYS_ATTACHMENTS:
1179                commitAttachments();
1180                break;
1181            case REQUEST_START_AUDIO_CALL:
1182                triggerRtpSession(RtpSessionActivity.ACTION_MAKE_VOICE_CALL);
1183                break;
1184            case REQUEST_START_VIDEO_CALL:
1185                triggerRtpSession(RtpSessionActivity.ACTION_MAKE_VIDEO_CALL);
1186                break;
1187            case ATTACHMENT_CHOICE_CHOOSE_IMAGE: {
1188                final Uri takePhotoUri = pendingTakePhotoUri.pop();
1189                if (takePhotoUri != null && (data == null || (data.getData() == null && data.getClipData() == null))) {
1190                    mediaPreviewAdapter.addMediaPreviews(
1191                            Attachment.of(getActivity(), takePhotoUri, Attachment.Type.IMAGE));
1192                }
1193                final List<Attachment> imageUris =
1194                        Attachment.extractAttachments(getActivity(), data, Attachment.Type.IMAGE);
1195                mediaPreviewAdapter.addMediaPreviews(imageUris);
1196                toggleInputMethod();
1197                break;
1198            }
1199            case ATTACHMENT_CHOICE_TAKE_PHOTO: {
1200                final Uri takePhotoUri = pendingTakePhotoUri.pop();
1201                if (takePhotoUri != null) {
1202                    mediaPreviewAdapter.addMediaPreviews(
1203                            Attachment.of(getActivity(), takePhotoUri, Attachment.Type.IMAGE));
1204                    toggleInputMethod();
1205                } else {
1206                    Log.d(Config.LOGTAG, "lost take photo uri. unable to to attach");
1207                }
1208                break;
1209            }
1210            case ATTACHMENT_CHOICE_CHOOSE_FILE:
1211            case ATTACHMENT_CHOICE_RECORD_VIDEO:
1212            case ATTACHMENT_CHOICE_RECORD_VOICE:
1213                final Attachment.Type type =
1214                        requestCode == ATTACHMENT_CHOICE_RECORD_VOICE
1215                                ? Attachment.Type.RECORDING
1216                                : Attachment.Type.FILE;
1217                final List<Attachment> fileUris =
1218                        Attachment.extractAttachments(getActivity(), data, type);
1219                mediaPreviewAdapter.addMediaPreviews(fileUris);
1220                toggleInputMethod();
1221                break;
1222            case ATTACHMENT_CHOICE_LOCATION:
1223                final double latitude = data.getDoubleExtra("latitude", 0);
1224                final double longitude = data.getDoubleExtra("longitude", 0);
1225                final int accuracy = data.getIntExtra("accuracy", 0);
1226                final Uri geo;
1227                if (accuracy > 0) {
1228                    geo = Uri.parse(String.format("geo:%s,%s;u=%s", latitude, longitude, accuracy));
1229                } else {
1230                    geo = Uri.parse(String.format("geo:%s,%s", latitude, longitude));
1231                }
1232                mediaPreviewAdapter.addMediaPreviews(
1233                        Attachment.of(getActivity(), geo, Attachment.Type.LOCATION));
1234                toggleInputMethod();
1235                break;
1236            case REQUEST_INVITE_TO_CONVERSATION:
1237                XmppActivity.ConferenceInvite invite = XmppActivity.ConferenceInvite.parse(data);
1238                if (invite != null) {
1239                    if (invite.execute(activity)) {
1240                        activity.mToast =
1241                                Toast.makeText(
1242                                        activity, R.string.creating_conference, Toast.LENGTH_LONG);
1243                        activity.mToast.show();
1244                    }
1245                }
1246                break;
1247        }
1248    }
1249
1250    private void commitAttachments() {
1251        final List<Attachment> attachments = mediaPreviewAdapter.getAttachments();
1252        if (anyNeedsExternalStoragePermission(attachments)
1253                && !hasPermissions(
1254                        REQUEST_COMMIT_ATTACHMENTS, Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
1255            return;
1256        }
1257        if (trustKeysIfNeeded(conversation, REQUEST_TRUST_KEYS_ATTACHMENTS)) {
1258            return;
1259        }
1260        final PresenceSelector.OnPresenceSelected callback =
1261                () -> {
1262                    final Iterator<Attachment> i = attachments.iterator();
1263                    final Runnable next = new Runnable() {
1264                        @Override
1265                        public void run() {
1266                            try {
1267                                if (!i.hasNext()) return;
1268                                final Attachment attachment = i.next();
1269                                if (attachment.getType() == Attachment.Type.LOCATION) {
1270                                        attachLocationToConversation(conversation, attachment.getUri());
1271                                    if (i.hasNext()) runOnUiThread(this);
1272                                } else if (attachment.getType() == Attachment.Type.IMAGE) {
1273                                    Log.d(
1274                                          Config.LOGTAG,
1275                                          "ConversationsActivity.commitAttachments() - attaching image to conversations. CHOOSE_IMAGE");
1276                                    attachImageToConversation(conversation, attachment.getUri(), attachment.getMime(), this);
1277                                } else {
1278                                    Log.d(
1279                                          Config.LOGTAG,
1280                                          "ConversationsActivity.commitAttachments() - attaching file to conversations. CHOOSE_FILE/RECORD_VOICE/RECORD_VIDEO");
1281                                    attachFileToConversation(conversation, attachment.getUri(), attachment.getMime(), this);
1282                                }
1283                                i.remove();
1284                                if (!i.hasNext()) messageSent();
1285                            } catch (final java.util.ConcurrentModificationException e) {
1286                                // Abort, leave any unsent attachments alone for the user to try again
1287                                Toast.makeText(activity, "Sometimes went wrong with some attachments. Try again?", Toast.LENGTH_SHORT).show();
1288                            }
1289                            mediaPreviewAdapter.notifyDataSetChanged();
1290                            toggleInputMethod();
1291                        }
1292                    };
1293                    next.run();
1294                };
1295        if (conversation == null
1296                || conversation.getMode() == Conversation.MODE_MULTI
1297                || Attachment.canBeSendInBand(attachments)
1298                || (conversation.getAccount().httpUploadAvailable()
1299                        && FileBackend.allFilesUnderSize(
1300                                getActivity(), attachments, getMaxHttpUploadSize(conversation)))) {
1301            callback.onPresenceSelected();
1302        } else {
1303            activity.selectPresence(conversation, callback);
1304        }
1305    }
1306
1307    private static boolean anyNeedsExternalStoragePermission(
1308            final Collection<Attachment> attachments) {
1309        for (final Attachment attachment : attachments) {
1310            if (attachment.getType() != Attachment.Type.LOCATION) {
1311                return true;
1312            }
1313        }
1314        return false;
1315    }
1316
1317    public void toggleInputMethod() {
1318        boolean hasAttachments = mediaPreviewAdapter.hasAttachments();
1319        binding.textinput.setVisibility(hasAttachments ? View.GONE : View.VISIBLE);
1320        binding.mediaPreview.setVisibility(hasAttachments ? View.VISIBLE : View.GONE);
1321        updateSendButton();
1322    }
1323
1324    private void handleNegativeActivityResult(int requestCode) {
1325        switch (requestCode) {
1326            case ATTACHMENT_CHOICE_TAKE_PHOTO:
1327                if (pendingTakePhotoUri.clear()) {
1328                    Log.d(
1329                            Config.LOGTAG,
1330                            "cleared pending photo uri after negative activity result");
1331                }
1332                break;
1333        }
1334    }
1335
1336    @Override
1337    public void onActivityResult(int requestCode, int resultCode, final Intent data) {
1338        super.onActivityResult(requestCode, resultCode, data);
1339        ActivityResult activityResult = ActivityResult.of(requestCode, resultCode, data);
1340        if (activity != null && activity.xmppConnectionService != null) {
1341            handleActivityResult(activityResult);
1342        } else {
1343            this.postponedActivityResult.push(activityResult);
1344        }
1345    }
1346
1347    public void unblockConversation(final Blockable conversation) {
1348        activity.xmppConnectionService.sendUnblockRequest(conversation);
1349    }
1350
1351    @Override
1352    public void onAttach(Activity activity) {
1353        super.onAttach(activity);
1354        Log.d(Config.LOGTAG, "ConversationFragment.onAttach()");
1355        if (activity instanceof ConversationsActivity) {
1356            this.activity = (ConversationsActivity) activity;
1357        } else {
1358            throw new IllegalStateException(
1359                    "Trying to attach fragment to activity that is not the ConversationsActivity");
1360        }
1361    }
1362
1363    @Override
1364    public void onDetach() {
1365        super.onDetach();
1366        this.activity = null; // TODO maybe not a good idea since some callbacks really need it
1367    }
1368
1369    @Override
1370    public void onCreate(Bundle savedInstanceState) {
1371        super.onCreate(savedInstanceState);
1372        setHasOptionsMenu(true);
1373        activity.getOnBackPressedDispatcher().addCallback(this, backPressedLeaveSingleThread);
1374    }
1375
1376    @Override
1377    public void onCreateOptionsMenu(Menu menu, MenuInflater menuInflater) {
1378        if (activity != null && activity.xmppConnectionService != null && activity.xmppConnectionService.isOnboarding()) return;
1379
1380        menuInflater.inflate(R.menu.fragment_conversation, menu);
1381        final MenuItem menuMucDetails = menu.findItem(R.id.action_muc_details);
1382        final MenuItem menuContactDetails = menu.findItem(R.id.action_contact_details);
1383        final MenuItem menuInviteContact = menu.findItem(R.id.action_invite);
1384        final MenuItem menuMute = menu.findItem(R.id.action_mute);
1385        final MenuItem menuUnmute = menu.findItem(R.id.action_unmute);
1386        final MenuItem menuCall = menu.findItem(R.id.action_call);
1387        final MenuItem menuOngoingCall = menu.findItem(R.id.action_ongoing_call);
1388        final MenuItem menuVideoCall = menu.findItem(R.id.action_video_call);
1389        final MenuItem menuTogglePinned = menu.findItem(R.id.action_toggle_pinned);
1390        final MenuItem menuArchiveChat = menu.findItem(R.id.action_archive);
1391
1392        if (conversation != null) {
1393            if (conversation.getMode() == Conversation.MODE_MULTI) {
1394                menuContactDetails.setVisible(false);
1395                menuInviteContact.setVisible(conversation.getMucOptions().canInvite());
1396                menuMucDetails.setTitle(
1397                        conversation.getMucOptions().isPrivateAndNonAnonymous()
1398                                ? R.string.action_muc_details
1399                                : R.string.channel_details);
1400                menuCall.setVisible(false);
1401                menuOngoingCall.setVisible(false);
1402                menuArchiveChat.setTitle("Leave " + (conversation.getMucOptions().isPrivateAndNonAnonymous() ? "group chat" : "Channel"));
1403            } else {
1404                final XmppConnectionService service =
1405                        activity == null ? null : activity.xmppConnectionService;
1406                final Optional<OngoingRtpSession> ongoingRtpSession =
1407                        service == null
1408                                ? Optional.absent()
1409                                : service.getJingleConnectionManager()
1410                                        .getOngoingRtpConnection(conversation.getContact());
1411                if (ongoingRtpSession.isPresent()) {
1412                    menuOngoingCall.setVisible(true);
1413                    menuCall.setVisible(false);
1414                } else {
1415                    menuOngoingCall.setVisible(false);
1416                    final RtpCapability.Capability rtpCapability =
1417                            RtpCapability.check(conversation.getContact());
1418                    final boolean cameraAvailable =
1419                            activity != null && activity.isCameraFeatureAvailable();
1420                    menuCall.setVisible(true);
1421                    menuVideoCall.setVisible(rtpCapability != RtpCapability.Capability.AUDIO && cameraAvailable);
1422                }
1423                menuContactDetails.setVisible(!this.conversation.withSelf());
1424                menuMucDetails.setVisible(false);
1425                menuInviteContact.setVisible(
1426                        service != null
1427                                && service.findConferenceServer(conversation.getAccount()) != null);
1428                menuArchiveChat.setTitle(R.string.action_archive_chat);
1429            }
1430            if (conversation.isMuted()) {
1431                menuMute.setVisible(false);
1432            } else {
1433                menuUnmute.setVisible(false);
1434            }
1435            ConversationMenuConfigurator.configureAttachmentMenu(conversation, menu, TextUtils.isEmpty(binding.textinput.getText()));
1436            ConversationMenuConfigurator.configureEncryptionMenu(conversation, menu);
1437            if (conversation.getBooleanAttribute(Conversation.ATTRIBUTE_PINNED_ON_TOP, false)) {
1438                menuTogglePinned.setTitle(R.string.remove_from_favorites);
1439            } else {
1440                menuTogglePinned.setTitle(R.string.add_to_favorites);
1441            }
1442        }
1443        super.onCreateOptionsMenu(menu, menuInflater);
1444    }
1445
1446    @Override
1447    public View onCreateView(
1448            final LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
1449        this.binding =
1450                DataBindingUtil.inflate(inflater, R.layout.fragment_conversation, container, false);
1451        binding.getRoot().setOnClickListener(null); // TODO why the fuck did we do this?
1452
1453        binding.textinput.setOnEditorActionListener(mEditorActionListener);
1454        binding.textinput.setRichContentListener(new String[] {"image/*"}, mEditorContentListener);
1455        DisplayMetrics displayMetrics = new DisplayMetrics();
1456        activity.getWindowManager().getDefaultDisplay().getMetrics(displayMetrics);
1457        if (displayMetrics.heightPixels > 0) binding.textinput.setMaxHeight(displayMetrics.heightPixels / 4);
1458
1459        binding.textSendButton.setOnClickListener(this.mSendButtonListener);
1460        binding.contextPreviewCancel.setOnClickListener((v) -> {
1461            setThread(null);
1462            conversation.setUserSelectedThread(false);
1463            setupReply(null);
1464        });
1465        binding.requestVoice.setOnClickListener((v) -> {
1466            activity.xmppConnectionService.requestVoice(conversation.getAccount(), conversation.getJid());
1467            binding.requestVoice.setVisibility(View.GONE);
1468            Toast.makeText(activity, "Your request has been sent to the moderators", Toast.LENGTH_SHORT).show();
1469        });
1470
1471        binding.scrollToBottomButton.setOnClickListener(this.mScrollButtonListener);
1472        binding.messagesView.setOnScrollListener(mOnScrollListener);
1473        binding.messagesView.setTranscriptMode(ListView.TRANSCRIPT_MODE_NORMAL);
1474        mediaPreviewAdapter = new MediaPreviewAdapter(this);
1475        binding.mediaPreview.setAdapter(mediaPreviewAdapter);
1476        messageListAdapter = new MessageAdapter((XmppActivity) getActivity(), this.messageList);
1477        messageListAdapter.setOnContactPictureClicked(this);
1478        messageListAdapter.setOnContactPictureLongClicked(this);
1479        messageListAdapter.setOnInlineImageLongClicked(this);
1480        messageListAdapter.setConversationFragment(this);
1481        binding.messagesView.setAdapter(messageListAdapter);
1482
1483        binding.textinput.addTextChangedListener(
1484                new StylingHelper.MessageEditorStyler(binding.textinput, messageListAdapter));
1485
1486        registerForContextMenu(binding.messagesView);
1487        registerForContextMenu(binding.textSendButton);
1488
1489        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
1490            this.binding.textinput.setCustomInsertionActionModeCallback(
1491                    new EditMessageActionModeCallback(this.binding.textinput));
1492            this.binding.textinput.setCustomSelectionActionModeCallback(
1493                    new EditMessageSelectionActionModeCallback(this.binding.textinput));
1494        }
1495
1496        messageListAdapter.setOnMessageBoxClicked(message -> {
1497            if (message.isPrivateMessage()) privateMessageWith(message.getCounterpart());
1498            setThread(message.getThread());
1499            conversation.setUserSelectedThread(true);
1500        });
1501
1502        messageListAdapter.setOnMessageBoxSwiped(message -> {
1503            quoteMessage(message);
1504        });
1505
1506        binding.threadIdenticonLayout.setOnClickListener(v -> {
1507            boolean wasLocked = conversation.getLockThread();
1508            conversation.setLockThread(false);
1509            backPressedLeaveSingleThread.setEnabled(false);
1510            if (wasLocked) {
1511                setThread(null);
1512                conversation.setUserSelectedThread(false);
1513                refresh();
1514                updateThreadFromLastMessage();
1515            } else {
1516                newThread();
1517                conversation.setUserSelectedThread(true);
1518                newThreadTutorialToast("Switched to new thread");
1519            }
1520        });
1521
1522        binding.threadIdenticonLayout.setOnLongClickListener(v -> {
1523            boolean wasLocked = conversation.getLockThread();
1524            conversation.setLockThread(false);
1525            backPressedLeaveSingleThread.setEnabled(false);
1526            setThread(null);
1527            conversation.setUserSelectedThread(true);
1528            if (wasLocked) refresh();
1529            newThreadTutorialToast("Cleared thread");
1530            return true;
1531        });
1532
1533        Autocomplete.<MucOptions.User>on(binding.textinput)
1534            .with(activity.getDrawable(R.drawable.background_message_bubble))
1535            .with(new CharPolicy('@'))
1536            .with(new RecyclerViewPresenter<MucOptions.User>(activity) {
1537                protected UserAdapter adapter;
1538
1539                @Override
1540                protected Adapter instantiateAdapter() {
1541                    adapter = new UserAdapter(false) {
1542                        @Override
1543                        public void onBindViewHolder(UserAdapter.ViewHolder viewHolder, int position) {
1544                            super.onBindViewHolder(viewHolder, position);
1545                            final var item = getItem(position);
1546                            viewHolder.binding.getRoot().setOnClickListener(v -> {
1547                                dispatchClick(item);
1548                            });
1549                        }
1550                    };
1551                    return adapter;
1552                }
1553
1554                @Override
1555                protected void onQuery(@Nullable CharSequence query) {
1556                    if (!activity.xmppConnectionService.getBooleanPreference("message_autocomplete", R.bool.message_autocomplete)) return;
1557
1558                    final var allUsers = conversation.getMucOptions().getUsers();
1559                    if (!conversation.getMucOptions().getUsersByRole(MucOptions.Role.MODERATOR).isEmpty()) {
1560                        final var u = new MucOptions.User(conversation.getMucOptions(), null, "\0role:moderator", "Notify active moderators", new HashSet<>());
1561                        u.setRole("participant");
1562                        allUsers.add(u);
1563                    }
1564                    if (!allUsers.isEmpty() && conversation.getMucOptions().getSelf() != null && conversation.getMucOptions().getSelf().getAffiliation().ranks(MucOptions.Affiliation.MEMBER)) {
1565                        final var u = new MucOptions.User(conversation.getMucOptions(), null, "\0attention", "Notify active participants", new HashSet<>());
1566                        u.setRole("participant");
1567                        allUsers.add(u);
1568                    }
1569                    final String needle = query.toString().toLowerCase(Locale.getDefault());
1570                    if (getRecyclerView() != null) getRecyclerView().setItemAnimator(null);
1571                    adapter.submitList(
1572                        Ordering.natural().immutableSortedCopy(Collections2.filter(
1573                            allUsers,
1574                            user -> {
1575                                if ("mods".contains(needle) && "\0role:moderator".equals(user.getOccupantId())) return true;
1576                                if ("here".contains(needle) && "\0attention".equals(user.getOccupantId())) return true;
1577                                final String name = user.getNick();
1578                                if (name == null) return false;
1579                                for (final var hat : user.getHats()) {
1580                                    if (hat.toString().toLowerCase(Locale.getDefault()).contains(needle)) return true;
1581                                }
1582                                for (final var hat : user.getPseudoHats(activity)) {
1583                                    if (hat.toString().toLowerCase(Locale.getDefault()).contains(needle)) return true;
1584                                }
1585                                final Contact contact = user.getContact();
1586                                return name.toLowerCase(Locale.getDefault()).contains(needle)
1587                                    || contact != null
1588                                    && contact.getDisplayName().toLowerCase(Locale.getDefault()).contains(needle);
1589                            })));
1590                }
1591
1592                @Override
1593                protected AutocompletePresenter.PopupDimensions getPopupDimensions() {
1594                    final var dim = new AutocompletePresenter.PopupDimensions();
1595                    dim.width = displayMetrics.widthPixels * 4/5;
1596                    return dim;
1597                }
1598            })
1599            .with(new AutocompleteCallback<MucOptions.User>() {
1600                @Override
1601                public boolean onPopupItemClicked(Editable editable, MucOptions.User user) {
1602                    int[] range = com.otaliastudios.autocomplete.CharPolicy.getQueryRange(editable);
1603                    if (range == null) return false;
1604                    range[0] -= 1;
1605                    if ("\0attention".equals(user.getOccupantId())) {
1606                        editable.delete(Math.max(0, range[0]), Math.min(editable.length(), range[1]));
1607                        editable.insert(0, "@here ");
1608                        return true;
1609                    }
1610                    int colon = editable.toString().indexOf(':');
1611                    final var beforeColon = range[0] < colon;
1612                    String prefix = "";
1613                    String suffix = " ";
1614                    if (beforeColon) suffix = ", ";
1615                    if (colon < 0 && range[0] == 0) suffix = ": ";
1616                    if (colon > 0 && colon == range[0] - 2) {
1617                        prefix = ", ";
1618                        suffix = ": ";
1619                        range[0] -= 2;
1620                    }
1621                    var insert = user.getNick();
1622                    if ("\0role:moderator".equals(user.getOccupantId())) {
1623                        insert = conversation.getMucOptions().getUsersByRole(MucOptions.Role.MODERATOR).stream().map(MucOptions.User::getNick).collect(Collectors.joining(", "));
1624                    }
1625                    editable.replace(Math.max(0, range[0]), Math.min(editable.length(), range[1]), prefix + insert + suffix);
1626                    return true;
1627                }
1628
1629                @Override
1630                public void onPopupVisibilityChanged(boolean shown) {}
1631            }).build();
1632
1633        Handler emojiDebounce = new Handler(Looper.getMainLooper());
1634        setupEmojiSearch();
1635        Autocomplete.<EmojiSearch.Emoji>on(binding.textinput)
1636            .with(activity.getDrawable(R.drawable.background_message_bubble))
1637            .with(new CharPolicy(':'))
1638            .with(new RecyclerViewPresenter<EmojiSearch.Emoji>(activity) {
1639                protected EmojiSearch.EmojiSearchAdapter adapter;
1640
1641                @Override
1642                protected Adapter instantiateAdapter() {
1643                    setupEmojiSearch();
1644                    adapter = emojiSearch.makeAdapter(item -> dispatchClick(item));
1645                    return adapter;
1646                }
1647
1648                @Override
1649                protected void onViewHidden() {
1650                    if (getRecyclerView() == null) return;
1651                    super.onViewHidden();
1652                }
1653
1654                @Override
1655                protected void onQuery(@Nullable CharSequence query) {
1656                    if (!activity.xmppConnectionService.getBooleanPreference("message_autocomplete", R.bool.message_autocomplete)) return;
1657
1658                    emojiDebounce.removeCallbacksAndMessages(null);
1659                    emojiDebounce.postDelayed(() -> {
1660                        if (getRecyclerView() == null) return;
1661                        getRecyclerView().setItemAnimator(null);
1662                        adapter.search(activity, getRecyclerView(), query.toString());
1663                    }, 100L);
1664                }
1665            })
1666            .with(new AutocompleteCallback<EmojiSearch.Emoji>() {
1667                @Override
1668                public boolean onPopupItemClicked(Editable editable, EmojiSearch.Emoji emoji) {
1669                    int[] range = com.otaliastudios.autocomplete.CharPolicy.getQueryRange(editable);
1670                    if (range == null) return false;
1671                    range[0] -= 1;
1672                    final var toInsert = emoji.toInsert();
1673                    toInsert.append(" ");
1674                    editable.replace(Math.max(0, range[0]), Math.min(editable.length(), range[1]), toInsert);
1675                    return true;
1676                }
1677
1678                @Override
1679                public void onPopupVisibilityChanged(boolean shown) {}
1680            }).build();
1681
1682        return binding.getRoot();
1683    }
1684
1685    protected void setupEmojiSearch() {
1686        if (activity != null && activity.xmppConnectionService != null) {
1687            if (emojiSearch == null) {
1688                emojiSearch = activity.xmppConnectionService.emojiSearch();
1689            }
1690        }
1691    }
1692
1693    protected void newThreadTutorialToast(String s) {
1694        if (activity == null) return;
1695        final SharedPreferences p = PreferenceManager.getDefaultSharedPreferences(activity);
1696        final int tutorialCount = p.getInt("thread_tutorial", 0);
1697        if (tutorialCount < 5) {
1698            Toast.makeText(activity, s, Toast.LENGTH_SHORT).show();
1699            p.edit().putInt("thread_tutorial", tutorialCount + 1).apply();
1700        }
1701    }
1702
1703    @Override
1704    public void onDestroyView() {
1705        super.onDestroyView();
1706        Log.d(Config.LOGTAG, "ConversationFragment.onDestroyView()");
1707        messageListAdapter.setOnContactPictureClicked(null);
1708        messageListAdapter.setOnContactPictureLongClicked(null);
1709        messageListAdapter.setOnInlineImageLongClicked(null);
1710        messageListAdapter.setConversationFragment(null);
1711        messageListAdapter.setOnMessageBoxClicked(null);
1712        messageListAdapter.setOnMessageBoxSwiped(null);
1713        binding.conversationViewPager.setAdapter(null);
1714        if (conversation != null) conversation.setupViewPager(null, null, false, null);
1715    }
1716
1717    public void quoteText(String text) {
1718        if (binding.textinput.isEnabled()) {
1719            binding.textinput.insertAsQuote(text);
1720            binding.textinput.requestFocus();
1721            InputMethodManager inputMethodManager =
1722                    (InputMethodManager)
1723                            getActivity().getSystemService(Context.INPUT_METHOD_SERVICE);
1724            if (inputMethodManager != null) {
1725                inputMethodManager.showSoftInput(
1726                        binding.textinput, InputMethodManager.SHOW_IMPLICIT);
1727            }
1728        }
1729    }
1730
1731    private void quoteMessage(Message message) {
1732        if (message.isPrivateMessage()) privateMessageWith(message.getCounterpart());
1733        setThread(message.getThread());
1734        conversation.setUserSelectedThread(true);
1735        if (!forkNullThread(message)) newThread();
1736        setupReply(message);
1737    }
1738
1739    private boolean forkNullThread(Message message) {
1740        if (message.getThread() != null || conversation.getMode() != Conversation.MODE_MULTI) return true;
1741        for (final Message m : conversation.findReplies(message.getServerMsgId())) {
1742            final Element thread = m.getThread();
1743            if (thread != null) {
1744                setThread(thread);
1745                return true;
1746            }
1747        }
1748
1749        return false;
1750    }
1751
1752    private void setupReply(Message message) {
1753        if (message != null) {
1754            final var correcting = conversation.getCorrectingMessage();
1755            if (correcting != null && correcting.getUuid().equals(message.getUuid())) return;
1756        }
1757        conversation.setReplyTo(message);
1758        if (message == null) {
1759            binding.contextPreview.setVisibility(View.GONE);
1760            binding.textsend.setBackgroundResource(R.drawable.textsend);
1761            return;
1762        }
1763
1764        var body = message.getSpannableBody(null, null);
1765        if (message.isFileOrImage() || message.isOOb()) body.append(" 🖼️");
1766        messageListAdapter.handleTextQuotes(binding.contextPreviewText, body);
1767        binding.contextPreviewText.setText(body);
1768        binding.contextPreview.setVisibility(View.VISIBLE);
1769    }
1770
1771    private void setThread(Element thread) {
1772        this.conversation.setThread(thread);
1773        binding.threadIdenticon.setAlpha(0f);
1774        binding.threadIdenticonLock.setVisibility(this.conversation.getLockThread() ? View.VISIBLE : View.GONE);
1775        if (thread != null) {
1776            final String threadId = thread.getContent();
1777            if (threadId != null) {
1778                binding.threadIdenticon.setAlpha(1f);
1779                binding.threadIdenticon.setColor(UIHelper.getColorForName(threadId));
1780                binding.threadIdenticon.setHash(UIHelper.identiconHash(threadId));
1781            }
1782        }
1783        updateSendButton();
1784    }
1785
1786    @Override
1787    public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
1788        // This should cancel any remaining click events that would otherwise trigger links
1789        v.dispatchTouchEvent(MotionEvent.obtain(0, 0, MotionEvent.ACTION_CANCEL, 0f, 0f, 0));
1790
1791        if (v == binding.textSendButton) {
1792            super.onCreateContextMenu(menu, v, menuInfo);
1793            try {
1794                java.lang.reflect.Method m = menu.getClass().getSuperclass().getDeclaredMethod("setOptionalIconsVisible", Boolean.TYPE);
1795                m.setAccessible(true);
1796                m.invoke(menu, true);
1797            } catch (Exception e) {
1798                e.printStackTrace();
1799            }
1800            Menu tmpMenu = new PopupMenu(activity, null).getMenu();
1801            activity.getMenuInflater().inflate(R.menu.fragment_conversation, tmpMenu);
1802            MenuItem attachMenu = tmpMenu.findItem(R.id.action_attach_file);
1803            for (int i = 0; i < attachMenu.getSubMenu().size(); i++) {
1804                MenuItem item = attachMenu.getSubMenu().getItem(i);
1805                MenuItem newItem = menu.add(item.getGroupId(), item.getItemId(), item.getOrder(), item.getTitle());
1806                newItem.setIcon(item.getIcon());
1807            }
1808
1809            extensions.clear();
1810            final var xmppConnectionService = activity.xmppConnectionService;
1811            final var dir = new File(xmppConnectionService.getExternalFilesDir(null), "extensions");
1812            for (File file : Files.fileTraverser().breadthFirst(dir)) {
1813                if (file.isFile() && file.canRead()) {
1814                    final var dummy = new Message(conversation, null, conversation.getNextEncryption());
1815                    dummy.setStatus(Message.STATUS_DUMMY);
1816                    dummy.setThread(conversation.getThread());
1817                    dummy.setUuid(file.getName());
1818                    final var xdc = new WebxdcPage(activity, file, dummy);
1819                    extensions.add(xdc);
1820                    final var item = menu.add(0x1, extensions.size() - 1, 0, xdc.getName());
1821                    item.setIcon(xdc.getIcon(24));
1822                }
1823            }
1824            ConversationMenuConfigurator.configureAttachmentMenu(conversation, menu, TextUtils.isEmpty(binding.textinput.getText()));
1825            return;
1826        }
1827
1828        synchronized (this.messageList) {
1829            super.onCreateContextMenu(menu, v, menuInfo);
1830            AdapterView.AdapterContextMenuInfo acmi = (AdapterContextMenuInfo) menuInfo;
1831            this.selectedMessage = this.messageList.get(acmi.position);
1832            populateContextMenu(menu);
1833        }
1834    }
1835
1836    private void populateContextMenu(final ContextMenu menu) {
1837        final Message m = this.selectedMessage;
1838        final Transferable t = m.getTransferable();
1839        if (m.getType() != Message.TYPE_STATUS && m.getType() != Message.TYPE_RTP_SESSION) {
1840
1841            if (m.getEncryption() == Message.ENCRYPTION_AXOLOTL_NOT_FOR_THIS_DEVICE
1842                    || m.getEncryption() == Message.ENCRYPTION_AXOLOTL_FAILED) {
1843                return;
1844            }
1845
1846            if (m.getStatus() == Message.STATUS_RECEIVED
1847                    && t != null
1848                    && (t.getStatus() == Transferable.STATUS_CANCELLED
1849                            || t.getStatus() == Transferable.STATUS_FAILED)) {
1850                return;
1851            }
1852
1853            final boolean deleted = m.isDeleted();
1854            final boolean encrypted =
1855                    m.getEncryption() == Message.ENCRYPTION_DECRYPTION_FAILED
1856                            || m.getEncryption() == Message.ENCRYPTION_PGP;
1857            final boolean receiving =
1858                    m.getStatus() == Message.STATUS_RECEIVED
1859                            && (t instanceof JingleFileTransferConnection
1860                                    || t instanceof HttpDownloadConnection);
1861            activity.getMenuInflater().inflate(R.menu.message_context, menu);
1862            final MenuItem reportAndBlock = menu.findItem(R.id.action_report_and_block);
1863            final MenuItem addReaction = menu.findItem(R.id.action_add_reaction);
1864            final MenuItem openWith = menu.findItem(R.id.open_with);
1865            final MenuItem copyMessage = menu.findItem(R.id.copy_message);
1866            final MenuItem quoteMessage = menu.findItem(R.id.quote_message);
1867            final MenuItem retryDecryption = menu.findItem(R.id.retry_decryption);
1868            final MenuItem correctMessage = menu.findItem(R.id.correct_message);
1869            final MenuItem retractMessage = menu.findItem(R.id.retract_message);
1870            final MenuItem moderateMessage = menu.findItem(R.id.moderate_message);
1871            final MenuItem onlyThisThread = menu.findItem(R.id.only_this_thread);
1872            final MenuItem shareWith = menu.findItem(R.id.share_with);
1873            final MenuItem sendAgain = menu.findItem(R.id.send_again);
1874            final MenuItem retryAsP2P = menu.findItem(R.id.send_again_as_p2p);
1875            final MenuItem copyUrl = menu.findItem(R.id.copy_url);
1876            final MenuItem copyLink = menu.findItem(R.id.copy_link);
1877            final MenuItem saveAsSticker = menu.findItem(R.id.save_as_sticker);
1878            final MenuItem downloadFile = menu.findItem(R.id.download_file);
1879            final MenuItem cancelTransmission = menu.findItem(R.id.cancel_transmission);
1880            final MenuItem blockMedia = menu.findItem(R.id.block_media);
1881            final MenuItem deleteFile = menu.findItem(R.id.delete_file);
1882            final MenuItem showErrorMessage = menu.findItem(R.id.show_error_message);
1883            onlyThisThread.setVisible(!conversation.getLockThread() && m.getThread() != null);
1884            final boolean unInitiatedButKnownSize = MessageUtils.unInitiatedButKnownSize(m);
1885            final boolean showError =
1886                    m.getStatus() == Message.STATUS_SEND_FAILED
1887                            && m.getErrorMessage() != null
1888                            && !Message.ERROR_MESSAGE_CANCELLED.equals(m.getErrorMessage());
1889            final Conversational conversational = m.getConversation();
1890            if (m.getStatus() == Message.STATUS_RECEIVED
1891                    && conversational instanceof Conversation c) {
1892                final XmppConnection connection = c.getAccount().getXmppConnection();
1893                if (c.isWithStranger()
1894                        && m.getServerMsgId() != null
1895                        && !c.isBlocked()
1896                        && connection != null
1897                        && connection.getFeatures().spamReporting()) {
1898                    reportAndBlock.setVisible(true);
1899                }
1900            }
1901            if (conversational instanceof Conversation c) {
1902                addReaction.setVisible(
1903                        !showError
1904                                && !m.isDeleted()
1905                                && !m.isPrivateMessage()
1906                                && (c.getMode() == Conversational.MODE_SINGLE
1907                                        || (c.getMucOptions().occupantId()
1908                                                && c.getMucOptions().participating())));
1909            } else {
1910                addReaction.setVisible(false);
1911            }
1912            if (!m.isFileOrImage()
1913                    && !encrypted
1914                    && !m.isGeoUri()
1915                    && !m.treatAsDownloadable()
1916                    && !unInitiatedButKnownSize
1917                    && t == null) {
1918                copyMessage.setVisible(true);
1919                quoteMessage.setVisible(!showError && !MessageUtils.prepareQuote(m).isEmpty());
1920                final var firstUri = Iterables.getFirst(Linkify.getLinks(m.getBody()), null);
1921                if (firstUri != null) {
1922                    final var scheme = firstUri.getScheme();
1923                    final @StringRes int resForScheme =
1924                            switch (scheme) {
1925                                case "xmpp" -> R.string.copy_jabber_id;
1926                                case "http", "https", "gemini" -> R.string.copy_link;
1927                                case "geo" -> R.string.copy_geo_uri;
1928                                case "tel" -> R.string.copy_telephone_number;
1929                                case "mailto" -> R.string.copy_email_address;
1930                                default -> R.string.copy_URI;
1931                            };
1932                    copyLink.setTitle(resForScheme);
1933                    copyLink.setVisible(true);
1934                } else {
1935                    copyLink.setVisible(false);
1936                }
1937            }
1938            quoteMessage.setVisible(!encrypted && !showError);
1939            if (m.getEncryption() == Message.ENCRYPTION_DECRYPTION_FAILED && !deleted) {
1940                retryDecryption.setVisible(true);
1941            }
1942            if (!showError
1943                    && m.getType() == Message.TYPE_TEXT
1944                    && m.isEditable()
1945                    && !m.isGeoUri()
1946                    && m.getConversation() instanceof Conversation) {
1947                correctMessage.setVisible(true);
1948                if (!m.getBody().equals("") && !m.getBody().equals(" ")) retractMessage.setVisible(true);
1949            }
1950            if (m.getStatus() == Message.STATUS_WAITING) {
1951                correctMessage.setVisible(true);
1952                retractMessage.setVisible(true);
1953            }
1954            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")) {
1955                moderateMessage.setVisible(true);
1956            }
1957            if ((m.isFileOrImage() && !deleted && !receiving)
1958                    || (m.getType() == Message.TYPE_TEXT && !m.treatAsDownloadable())
1959                            && !unInitiatedButKnownSize
1960                            && t == null) {
1961                shareWith.setVisible(true);
1962            }
1963            if (m.getStatus() == Message.STATUS_SEND_FAILED) {
1964                sendAgain.setVisible(true);
1965                final var fileNotUploaded = m.isFileOrImage() && !m.hasFileOnRemoteHost();
1966                final var isPeerOnline =
1967                        conversational.getMode() == Conversation.MODE_SINGLE
1968                                && (conversational instanceof Conversation c)
1969                                && !c.getContact().getPresences().isEmpty();
1970                retryAsP2P.setVisible(fileNotUploaded && isPeerOnline);
1971            }
1972            if (m.hasFileOnRemoteHost()
1973                    || m.isGeoUri()
1974                    || m.treatAsDownloadable()
1975                    || unInitiatedButKnownSize
1976                    || t instanceof HttpDownloadConnection) {
1977                copyUrl.setVisible(true);
1978            }
1979            if (m.isFileOrImage() && deleted && m.hasFileOnRemoteHost()) {
1980                downloadFile.setVisible(true);
1981                downloadFile.setTitle(
1982                        activity.getString(
1983                                R.string.download_x_file,
1984                                UIHelper.getFileDescriptionString(activity, m)));
1985            }
1986            final boolean waitingOfferedSending =
1987                    m.getStatus() == Message.STATUS_WAITING
1988                            || m.getStatus() == Message.STATUS_UNSEND
1989                            || m.getStatus() == Message.STATUS_OFFERED;
1990            final boolean cancelable =
1991                    (t != null && !deleted) || waitingOfferedSending && m.needsUploading();
1992            if (cancelable) {
1993                cancelTransmission.setVisible(true);
1994            }
1995            if (m.isFileOrImage() && !deleted && !cancelable) {
1996                final String path = m.getRelativeFilePath();
1997                if (path != null) {
1998                    final var file = new File(path);
1999                    if (file.canRead()) saveAsSticker.setVisible(true);
2000                    blockMedia.setVisible(true);
2001                    if (file.canWrite()) deleteFile.setVisible(true);
2002                    deleteFile.setTitle(
2003                            activity.getString(
2004                                    R.string.delete_x_file,
2005                                    UIHelper.getFileDescriptionString(activity, m)));
2006                }
2007            }
2008
2009            if (m.getFileParams() != null && !m.getFileParams().getThumbnails().isEmpty()) {
2010                // We might be showing a thumbnail worth blocking
2011                blockMedia.setVisible(true);
2012            }
2013            if (showError) {
2014                showErrorMessage.setVisible(true);
2015            }
2016            final String mime = m.isFileOrImage() ? m.getMimeType() : null;
2017            if ((m.isGeoUri() && GeoHelper.openInOsmAnd(getActivity(), m))
2018                    || (mime != null && mime.startsWith("audio/"))) {
2019                openWith.setVisible(true);
2020            }
2021        }
2022    }
2023
2024    @Override
2025    public boolean onContextItemSelected(MenuItem item) {
2026        switch (item.getItemId()) {
2027            case R.id.share_with:
2028                ShareUtil.share(activity, selectedMessage);
2029                return true;
2030            case R.id.correct_message:
2031                correctMessage(selectedMessage);
2032                return true;
2033            case R.id.retract_message:
2034                new AlertDialog.Builder(activity)
2035                    .setTitle(R.string.retract_message)
2036                    .setMessage("Do you really want to retract this message?")
2037                    .setPositiveButton(R.string.yes, (dialog, whichButton) -> {
2038                        final var message = selectedMessage;
2039                        if (message.getStatus() == Message.STATUS_WAITING || message.getStatus() == Message.STATUS_OFFERED) {
2040                            activity.xmppConnectionService.deleteMessage(message);
2041                            return;
2042                        }
2043                        Element reactions = message.getReactionsEl();
2044                        if (reactions != null) {
2045                            final Message previousReaction = conversation.findMessageReactingTo(reactions.getAttribute("id"), null);
2046                            if (previousReaction != null) reactions = previousReaction.getReactionsEl();
2047                            for (Element el : reactions.getChildren()) {
2048                                if (message.getRawBody().endsWith(el.getContent())) {
2049                                    reactions.removeChild(el);
2050                                }
2051                            }
2052                            message.setReactions(reactions);
2053                            if (previousReaction != null) {
2054                                previousReaction.setReactions(reactions);
2055                                activity.xmppConnectionService.updateMessage(previousReaction);
2056                            }
2057                        } else {
2058                            message.setInReplyTo(null);
2059                            message.clearPayloads();
2060                        }
2061                        message.setBody(" ");
2062                        message.setSubject(null);
2063                        message.putEdited(message.getUuid(), message.getServerMsgId());
2064                        message.setServerMsgId(null);
2065                        message.setUuid(UUID.randomUUID().toString());
2066                        sendMessage(message);
2067                    })
2068                    .setNegativeButton(R.string.no, null).show();
2069                return true;
2070            case R.id.moderate_message:
2071                activity.quickEdit("Spam", (reason) -> {
2072                    activity.xmppConnectionService.moderateMessage(conversation.getAccount(), selectedMessage, reason);
2073                    return null;
2074                }, R.string.moderate_reason, false, false, true, true);
2075                return true;
2076            case R.id.copy_message:
2077                ShareUtil.copyToClipboard(activity, selectedMessage);
2078                return true;
2079            case R.id.quote_message:
2080                quoteMessage(selectedMessage);
2081                return true;
2082            case R.id.send_again:
2083                resendMessage(selectedMessage, false);
2084                return true;
2085            case R.id.send_again_as_p2p:
2086                resendMessage(selectedMessage, true);
2087                return true;
2088            case R.id.copy_url:
2089                ShareUtil.copyUrlToClipboard(activity, selectedMessage);
2090                return true;
2091            case R.id.save_as_sticker:
2092                saveAsSticker(selectedMessage);
2093                return true;
2094            case R.id.download_file:
2095                startDownloadable(selectedMessage);
2096                return true;
2097            case R.id.cancel_transmission:
2098                cancelTransmission(selectedMessage);
2099                return true;
2100            case R.id.retry_decryption:
2101                retryDecryption(selectedMessage);
2102                return true;
2103            case R.id.block_media:
2104                new AlertDialog.Builder(activity)
2105                    .setTitle(R.string.block_media)
2106                    .setMessage("Do you really want to block this media in all messages?")
2107                    .setPositiveButton(R.string.yes, (dialog, whichButton) -> {
2108                        List<Element> thumbs = selectedMessage.getFileParams() != null ? selectedMessage.getFileParams().getThumbnails() : null;
2109                        if (thumbs != null && !thumbs.isEmpty()) {
2110                            for (Element thumb : thumbs) {
2111                                Uri uri = Uri.parse(thumb.getAttribute("uri"));
2112                                if (uri.getScheme().equals("cid")) {
2113                                    Cid cid = BobTransfer.cid(uri);
2114                                    if (cid == null) continue;
2115                                    DownloadableFile f = activity.xmppConnectionService.getFileForCid(cid);
2116                                    activity.xmppConnectionService.blockMedia(f);
2117                                    activity.xmppConnectionService.evictPreview(f);
2118                                    f.delete();
2119                                }
2120                            }
2121                        }
2122                        File f = activity.xmppConnectionService.getFileBackend().getFile(selectedMessage);
2123                        activity.xmppConnectionService.blockMedia(f);
2124                        activity.xmppConnectionService.getFileBackend().deleteFile(selectedMessage);
2125                        activity.xmppConnectionService.evictPreview(f);
2126                        activity.xmppConnectionService.updateMessage(selectedMessage, false);
2127                        activity.onConversationsListItemUpdated();
2128                        refresh();
2129                    })
2130                    .setNegativeButton(R.string.no, null).show();
2131                return true;
2132            case R.id.delete_file:
2133                deleteFile(selectedMessage);
2134                return true;
2135            case R.id.show_error_message:
2136                showErrorMessage(selectedMessage);
2137                return true;
2138            case R.id.open_with:
2139                openWith(selectedMessage);
2140                return true;
2141            case R.id.only_this_thread:
2142                conversation.setLockThread(true);
2143                backPressedLeaveSingleThread.setEnabled(true);
2144                setThread(selectedMessage.getThread());
2145                refresh();
2146                return true;
2147            case R.id.action_report_and_block:
2148                reportMessage(selectedMessage);
2149                return true;
2150            case R.id.action_add_reaction:
2151                addReaction(selectedMessage);
2152                return true;
2153            default:
2154                return onOptionsItemSelected(item);
2155        }
2156    }
2157
2158    @Override
2159    public boolean onOptionsItemSelected(final MenuItem item) {
2160        if (MenuDoubleTabUtil.shouldIgnoreTap()) {
2161            return false;
2162        } else if (conversation == null) {
2163            return super.onOptionsItemSelected(item);
2164        }
2165        if (item.getGroupId() == 0x1) {
2166            conversation.startWebxdc(extensions.get(item.getItemId()));
2167            return true;
2168        }
2169        switch (item.getItemId()) {
2170            case R.id.encryption_choice_axolotl:
2171            case R.id.encryption_choice_pgp:
2172            case R.id.encryption_choice_none:
2173                handleEncryptionSelection(item);
2174                break;
2175            case R.id.attach_choose_picture:
2176            //case R.id.attach_take_picture:
2177            //case R.id.attach_record_video:
2178            case R.id.attach_choose_file:
2179            case R.id.attach_record_voice:
2180            case R.id.attach_location:
2181                handleAttachmentSelection(item);
2182                break;
2183            case R.id.attach_webxdc:
2184                final Intent intent = new Intent(getActivity(), WebxdcStore.class);
2185                startActivityForResult(intent, REQUEST_WEBXDC_STORE);
2186                break;
2187            case R.id.attach_subject:
2188                binding.textinputSubject.setVisibility(binding.textinputSubject.getVisibility() == View.GONE ? View.VISIBLE : View.GONE);
2189                break;
2190            case R.id.attach_schedule:
2191                scheduleMessage();
2192                break;
2193            case R.id.action_search:
2194                startSearch();
2195                break;
2196            case R.id.action_archive:
2197                activity.xmppConnectionService.archiveConversation(conversation);
2198                break;
2199            case R.id.action_contact_details:
2200                activity.switchToContactDetails(conversation.getContact());
2201                break;
2202            case R.id.action_muc_details:
2203                ConferenceDetailsActivity.open(activity, conversation);
2204                break;
2205            case R.id.action_invite:
2206                startActivityForResult(
2207                        ChooseContactActivity.create(activity, conversation),
2208                        REQUEST_INVITE_TO_CONVERSATION);
2209                break;
2210            case R.id.action_clear_history:
2211                clearHistoryDialog(conversation);
2212                break;
2213            case R.id.action_mute:
2214                muteConversationDialog(conversation);
2215                break;
2216            case R.id.action_unmute:
2217                unMuteConversation(conversation);
2218                break;
2219            case R.id.action_block:
2220            case R.id.action_unblock:
2221                BlockContactDialog.show(activity, conversation);
2222                break;
2223            case R.id.action_audio_call:
2224                checkPermissionAndTriggerAudioCall();
2225                break;
2226            case R.id.action_video_call:
2227                checkPermissionAndTriggerVideoCall();
2228                break;
2229            case R.id.action_ongoing_call:
2230                returnToOngoingCall();
2231                break;
2232            case R.id.action_toggle_pinned:
2233                togglePinned();
2234                break;
2235            case R.id.action_add_shortcut:
2236                addShortcut();
2237                break;
2238            case R.id.action_block_avatar:
2239                new AlertDialog.Builder(activity)
2240                    .setTitle(R.string.block_media)
2241                    .setMessage("Do you really want to block this avatar?")
2242                    .setPositiveButton(R.string.yes, (dialog, whichButton) -> {
2243                            activity.xmppConnectionService.blockMedia(activity.xmppConnectionService.getFileBackend().getAvatarFile(conversation.getContact().getAvatarFilename()));
2244                            activity.xmppConnectionService.getFileBackend().getAvatarFile(conversation.getContact().getAvatarFilename()).delete();
2245                            activity.avatarService().clear(conversation);
2246                            conversation.getContact().setAvatar(null);
2247                            activity.xmppConnectionService.updateConversationUi();
2248                    })
2249                    .setNegativeButton(R.string.no, null).show();
2250            case R.id.action_refresh_feature_discovery:
2251                refreshFeatureDiscovery();
2252                break;
2253            default:
2254                break;
2255        }
2256        return super.onOptionsItemSelected(item);
2257    }
2258
2259    public boolean onBackPressed() {
2260        boolean wasLocked = conversation.getLockThread();
2261        conversation.setLockThread(false);
2262        backPressedLeaveSingleThread.setEnabled(false);
2263        if (wasLocked) {
2264            setThread(null);
2265            conversation.setUserSelectedThread(false);
2266            refresh();
2267            updateThreadFromLastMessage();
2268            return true;
2269        }
2270        return false;
2271    }
2272
2273    private void startSearch() {
2274        final Intent intent = new Intent(getActivity(), SearchActivity.class);
2275        intent.putExtra(SearchActivity.EXTRA_CONVERSATION_UUID, conversation.getUuid());
2276        startActivity(intent);
2277    }
2278
2279    private void scheduleMessage() {
2280        if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.N) {
2281            final var datePicker = com.google.android.material.datepicker.MaterialDatePicker.Builder.datePicker()
2282                .setTitleText("Schedule Message")
2283                .setSelection(com.google.android.material.datepicker.MaterialDatePicker.todayInUtcMilliseconds())
2284                .setCalendarConstraints(
2285                    new com.google.android.material.datepicker.CalendarConstraints.Builder()
2286                        .setStart(com.google.android.material.datepicker.MaterialDatePicker.todayInUtcMilliseconds())
2287                        .build()
2288                 )
2289                .build();
2290            datePicker.addOnPositiveButtonClickListener((date) -> {
2291                final Calendar now = Calendar.getInstance();
2292                final var timePicker = new com.google.android.material.timepicker.MaterialTimePicker.Builder()
2293                    .setTitleText("Schedule Message")
2294                    .setHour(now.get(Calendar.HOUR_OF_DAY))
2295                    .setMinute(now.get(Calendar.MINUTE))
2296                    .setTimeFormat(android.text.format.DateFormat.is24HourFormat(activity) ? com.google.android.material.timepicker.TimeFormat.CLOCK_24H : com.google.android.material.timepicker.TimeFormat.CLOCK_12H)
2297                    .build();
2298                timePicker.addOnPositiveButtonClickListener((v2) -> {
2299                        final var dateCal = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
2300                        dateCal.setTimeInMillis(date);
2301                        final var time = Calendar.getInstance();
2302                        time.set(dateCal.get(Calendar.YEAR), dateCal.get(Calendar.MONTH), dateCal.get(Calendar.DAY_OF_MONTH), timePicker.getHour(), timePicker.getMinute(), 0);
2303                        final long timestamp = time.getTimeInMillis();
2304                        sendMessage(timestamp);
2305                        Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": scheduled message for " + timestamp);
2306                    });
2307                timePicker.show(activity.getSupportFragmentManager(), "schedulMessageTime");
2308            });
2309            datePicker.show(activity.getSupportFragmentManager(), "schedulMessageDate");
2310        }
2311    }
2312
2313    private void returnToOngoingCall() {
2314        final Optional<OngoingRtpSession> ongoingRtpSession =
2315                activity.xmppConnectionService
2316                        .getJingleConnectionManager()
2317                        .getOngoingRtpConnection(conversation.getContact());
2318        if (ongoingRtpSession.isPresent()) {
2319            final OngoingRtpSession id = ongoingRtpSession.get();
2320            final Intent intent = new Intent(getActivity(), RtpSessionActivity.class);
2321            intent.setAction(Intent.ACTION_VIEW);
2322            intent.putExtra(
2323                    RtpSessionActivity.EXTRA_ACCOUNT,
2324                    id.getAccount().getJid().asBareJid().toString());
2325            intent.putExtra(RtpSessionActivity.EXTRA_WITH, id.getWith().toString());
2326            if (id instanceof AbstractJingleConnection) {
2327                intent.putExtra(RtpSessionActivity.EXTRA_SESSION_ID, id.getSessionId());
2328                startActivity(intent);
2329            } else if (id instanceof JingleConnectionManager.RtpSessionProposal proposal) {
2330                if (Media.audioOnly(proposal.media)) {
2331                    intent.putExtra(
2332                            RtpSessionActivity.EXTRA_LAST_ACTION,
2333                            RtpSessionActivity.ACTION_MAKE_VOICE_CALL);
2334                } else {
2335                    intent.putExtra(
2336                            RtpSessionActivity.EXTRA_LAST_ACTION,
2337                            RtpSessionActivity.ACTION_MAKE_VIDEO_CALL);
2338                }
2339                intent.putExtra(RtpSessionActivity.EXTRA_PROPOSED_SESSION_ID, proposal.sessionId);
2340                startActivity(intent);
2341            }
2342        }
2343    }
2344
2345    private void refreshFeatureDiscovery() {
2346        Set<Map.Entry<String, Presence>> presences = conversation.getContact().getPresences().getPresencesMap().entrySet();
2347        if (presences.isEmpty()) {
2348            presences = new HashSet<>();
2349            presences.add(new AbstractMap.SimpleEntry("", null));
2350        }
2351        for (Map.Entry<String, Presence> entry : presences) {
2352            Jid jid = conversation.getContact().getJid();
2353            if (!entry.getKey().equals("")) jid = jid.withResource(entry.getKey());
2354            activity.xmppConnectionService.fetchCaps(conversation.getAccount(), jid, entry.getValue(), () -> {
2355                if (activity == null) return;
2356                activity.runOnUiThread(() -> {
2357                    refresh();
2358                    refreshCommands(true);
2359                });
2360            });
2361        }
2362    }
2363
2364    private void addShortcut() {
2365        ShortcutInfoCompat info;
2366        if (conversation.getMode() == Conversation.MODE_MULTI) {
2367            info = activity.xmppConnectionService.getShortcutService().getShortcutInfo(conversation.getMucOptions());
2368        } else {
2369            info = activity.xmppConnectionService.getShortcutService().getShortcutInfo(conversation.getContact());
2370        }
2371        ShortcutManagerCompat.requestPinShortcut(activity, info, null);
2372    }
2373
2374    private void togglePinned() {
2375        final boolean pinned =
2376                conversation.getBooleanAttribute(Conversation.ATTRIBUTE_PINNED_ON_TOP, false);
2377        conversation.setAttribute(Conversation.ATTRIBUTE_PINNED_ON_TOP, !pinned);
2378        activity.xmppConnectionService.updateConversation(conversation);
2379        activity.invalidateOptionsMenu();
2380    }
2381
2382    private void checkPermissionAndTriggerAudioCall() {
2383        if (activity.mUseTor || conversation.getAccount().isOnion()) {
2384            Toast.makeText(activity, R.string.disable_tor_to_make_call, Toast.LENGTH_SHORT).show();
2385            return;
2386        }
2387        final List<String> permissions;
2388        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
2389            permissions =
2390                    Arrays.asList(
2391                            Manifest.permission.RECORD_AUDIO,
2392                            Manifest.permission.BLUETOOTH_CONNECT);
2393        } else {
2394            permissions = Collections.singletonList(Manifest.permission.RECORD_AUDIO);
2395        }
2396        if (hasPermissions(REQUEST_START_AUDIO_CALL, permissions)) {
2397            triggerRtpSession(RtpSessionActivity.ACTION_MAKE_VOICE_CALL);
2398        }
2399    }
2400
2401    private void checkPermissionAndTriggerVideoCall() {
2402        if (activity.mUseTor || conversation.getAccount().isOnion()) {
2403            Toast.makeText(activity, R.string.disable_tor_to_make_call, Toast.LENGTH_SHORT).show();
2404            return;
2405        }
2406        final List<String> permissions;
2407        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
2408            permissions =
2409                    Arrays.asList(
2410                            Manifest.permission.RECORD_AUDIO,
2411                            Manifest.permission.CAMERA,
2412                            Manifest.permission.BLUETOOTH_CONNECT);
2413        } else {
2414            permissions =
2415                    Arrays.asList(Manifest.permission.RECORD_AUDIO, Manifest.permission.CAMERA);
2416        }
2417        if (hasPermissions(REQUEST_START_VIDEO_CALL, permissions)) {
2418            triggerRtpSession(RtpSessionActivity.ACTION_MAKE_VIDEO_CALL);
2419        }
2420    }
2421
2422    private void triggerRtpSession(final String action) {
2423        if (activity.xmppConnectionService.getJingleConnectionManager().isBusy()) {
2424            Toast.makeText(getActivity(), R.string.only_one_call_at_a_time, Toast.LENGTH_LONG)
2425                    .show();
2426            return;
2427        }
2428        final Account account = conversation.getAccount();
2429        if (account.setOption(Account.OPTION_SOFT_DISABLED, false)) {
2430            activity.xmppConnectionService.updateAccount(account);
2431        }
2432        final Contact contact = conversation.getContact();
2433        if (Config.USE_JINGLE_MESSAGE_INIT && RtpCapability.jmiSupport(contact)) {
2434            triggerRtpSession(contact.getAccount(), contact.getJid().asBareJid(), action);
2435        } else {
2436            final RtpCapability.Capability capability;
2437            if (action.equals(RtpSessionActivity.ACTION_MAKE_VIDEO_CALL)) {
2438                capability = RtpCapability.Capability.VIDEO;
2439            } else {
2440                capability = RtpCapability.Capability.AUDIO;
2441            }
2442            PresenceSelector.selectFullJidForDirectRtpConnection(
2443                    activity,
2444                    contact,
2445                    capability,
2446                    fullJid -> {
2447                        triggerRtpSession(contact.getAccount(), fullJid, action);
2448                    });
2449        }
2450    }
2451
2452    private void triggerRtpSession(final Account account, final Jid with, final String action) {
2453        CallIntegrationConnectionService.placeCall(
2454                activity.xmppConnectionService,
2455                account,
2456                with,
2457                RtpSessionActivity.actionToMedia(action));
2458    }
2459
2460    private void handleAttachmentSelection(MenuItem item) {
2461        switch (item.getItemId()) {
2462            case R.id.attach_choose_picture:
2463                attachFile(ATTACHMENT_CHOICE_CHOOSE_IMAGE);
2464                break;
2465            /*case R.id.attach_take_picture:
2466                attachFile(ATTACHMENT_CHOICE_TAKE_PHOTO);
2467                break;
2468            case R.id.attach_record_video:
2469                attachFile(ATTACHMENT_CHOICE_RECORD_VIDEO);
2470                break;*/
2471            case R.id.attach_choose_file:
2472                attachFile(ATTACHMENT_CHOICE_CHOOSE_FILE);
2473                break;
2474            case R.id.attach_record_voice:
2475                attachFile(ATTACHMENT_CHOICE_RECORD_VOICE);
2476                break;
2477            case R.id.attach_location:
2478                attachFile(ATTACHMENT_CHOICE_LOCATION);
2479                break;
2480        }
2481    }
2482
2483    private void handleEncryptionSelection(MenuItem item) {
2484        if (conversation == null) {
2485            return;
2486        }
2487        final boolean updated;
2488        switch (item.getItemId()) {
2489            case R.id.encryption_choice_none:
2490                updated = conversation.setNextEncryption(Message.ENCRYPTION_NONE);
2491                item.setChecked(true);
2492                break;
2493            case R.id.encryption_choice_pgp:
2494                if (activity.hasPgp()) {
2495                    if (conversation.getAccount().getPgpSignature() != null) {
2496                        updated = conversation.setNextEncryption(Message.ENCRYPTION_PGP);
2497                        item.setChecked(true);
2498                    } else {
2499                        updated = false;
2500                        activity.announcePgp(
2501                                conversation.getAccount(),
2502                                conversation,
2503                                null,
2504                                activity.onOpenPGPKeyPublished);
2505                    }
2506                } else {
2507                    activity.showInstallPgpDialog();
2508                    updated = false;
2509                }
2510                break;
2511            case R.id.encryption_choice_axolotl:
2512                Log.d(
2513                        Config.LOGTAG,
2514                        AxolotlService.getLogprefix(conversation.getAccount())
2515                                + "Enabled axolotl for Contact "
2516                                + conversation.getContact().getJid());
2517                updated = conversation.setNextEncryption(Message.ENCRYPTION_AXOLOTL);
2518                item.setChecked(true);
2519                break;
2520            default:
2521                updated = conversation.setNextEncryption(Message.ENCRYPTION_NONE);
2522                break;
2523        }
2524        if (updated) {
2525            activity.xmppConnectionService.updateConversation(conversation);
2526        }
2527        updateChatMsgHint();
2528        getActivity().invalidateOptionsMenu();
2529        activity.refreshUi();
2530    }
2531
2532    public void attachFile(final int attachmentChoice) {
2533        attachFile(attachmentChoice, true, false);
2534    }
2535
2536    public void attachFile(final int attachmentChoice, final boolean updateRecentlyUsed) {
2537        attachFile(attachmentChoice, updateRecentlyUsed, false);
2538    }
2539
2540    public void attachFile(final int attachmentChoice, final boolean updateRecentlyUsed, final boolean fromPermissions) {
2541        if (attachmentChoice == ATTACHMENT_CHOICE_RECORD_VOICE) {
2542            if (!hasPermissions(
2543                    attachmentChoice,
2544                    Manifest.permission.WRITE_EXTERNAL_STORAGE,
2545                    Manifest.permission.RECORD_AUDIO)) {
2546                return;
2547            }
2548        } else if (attachmentChoice == ATTACHMENT_CHOICE_TAKE_PHOTO
2549                || attachmentChoice == ATTACHMENT_CHOICE_RECORD_VIDEO
2550                || (attachmentChoice == ATTACHMENT_CHOICE_CHOOSE_IMAGE && !fromPermissions)) {
2551            if (!hasPermissions(
2552                    attachmentChoice,
2553                    Manifest.permission.WRITE_EXTERNAL_STORAGE,
2554                    Manifest.permission.CAMERA)) {
2555                return;
2556            }
2557        } else if (attachmentChoice != ATTACHMENT_CHOICE_LOCATION) {
2558            if (!hasPermissions(attachmentChoice, Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
2559                return;
2560            }
2561        }
2562        if (updateRecentlyUsed) {
2563            storeRecentlyUsedQuickAction(attachmentChoice);
2564        }
2565        final int encryption = conversation.getNextEncryption();
2566        final int mode = conversation.getMode();
2567        if (encryption == Message.ENCRYPTION_PGP) {
2568            if (activity.hasPgp()) {
2569                if (mode == Conversation.MODE_SINGLE
2570                        && conversation.getContact().getPgpKeyId() != 0) {
2571                    activity.xmppConnectionService
2572                            .getPgpEngine()
2573                            .hasKey(
2574                                    conversation.getContact(),
2575                                    new UiCallback<Contact>() {
2576
2577                                        @Override
2578                                        public void userInputRequired(
2579                                                PendingIntent pi, Contact contact) {
2580                                            startPendingIntent(pi, attachmentChoice);
2581                                        }
2582
2583                                        @Override
2584                                        public void success(Contact contact) {
2585                                            invokeAttachFileIntent(attachmentChoice);
2586                                        }
2587
2588                                        @Override
2589                                        public void error(int error, Contact contact) {
2590                                            activity.replaceToast(getString(error));
2591                                        }
2592                                    });
2593                } else if (mode == Conversation.MODE_MULTI
2594                        && conversation.getMucOptions().pgpKeysInUse()) {
2595                    if (!conversation.getMucOptions().everybodyHasKeys()) {
2596                        Toast warning =
2597                                Toast.makeText(
2598                                        getActivity(),
2599                                        R.string.missing_public_keys,
2600                                        Toast.LENGTH_LONG);
2601                        warning.setGravity(Gravity.CENTER_VERTICAL, 0, 0);
2602                        warning.show();
2603                    }
2604                    invokeAttachFileIntent(attachmentChoice);
2605                } else {
2606                    showNoPGPKeyDialog(
2607                            false,
2608                            (dialog, which) -> {
2609                                conversation.setNextEncryption(Message.ENCRYPTION_NONE);
2610                                activity.xmppConnectionService.updateConversation(conversation);
2611                                invokeAttachFileIntent(attachmentChoice);
2612                            });
2613                }
2614            } else {
2615                activity.showInstallPgpDialog();
2616            }
2617        } else {
2618            invokeAttachFileIntent(attachmentChoice);
2619        }
2620    }
2621
2622    private void storeRecentlyUsedQuickAction(final int attachmentChoice) {
2623        try {
2624            activity.getPreferences()
2625                    .edit()
2626                    .putString(
2627                            RECENTLY_USED_QUICK_ACTION,
2628                            SendButtonAction.of(attachmentChoice).toString())
2629                    .apply();
2630        } catch (IllegalArgumentException e) {
2631            // just do not save
2632        }
2633    }
2634
2635    @Override
2636    public void onRequestPermissionsResult(
2637            int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
2638        final PermissionUtils.PermissionResult permissionResult =
2639                PermissionUtils.removeBluetoothConnect(permissions, grantResults);
2640        if (grantResults.length > 0) {
2641            if (allGranted(permissionResult.grantResults) || requestCode == ATTACHMENT_CHOICE_CHOOSE_IMAGE) {
2642                switch (requestCode) {
2643                    case REQUEST_START_DOWNLOAD:
2644                        if (this.mPendingDownloadableMessage != null) {
2645                            startDownloadable(this.mPendingDownloadableMessage);
2646                        }
2647                        break;
2648                    case REQUEST_ADD_EDITOR_CONTENT:
2649                        if (this.mPendingEditorContent != null) {
2650                            attachEditorContentToConversation(this.mPendingEditorContent);
2651                        }
2652                        break;
2653                    case REQUEST_COMMIT_ATTACHMENTS:
2654                        commitAttachments();
2655                        break;
2656                    case REQUEST_START_AUDIO_CALL:
2657                        triggerRtpSession(RtpSessionActivity.ACTION_MAKE_VOICE_CALL);
2658                        break;
2659                    case REQUEST_START_VIDEO_CALL:
2660                        triggerRtpSession(RtpSessionActivity.ACTION_MAKE_VIDEO_CALL);
2661                        break;
2662                    default:
2663                        attachFile(requestCode, true, true);
2664                        break;
2665                }
2666            } else {
2667                @StringRes int res;
2668                String firstDenied =
2669                        getFirstDenied(permissionResult.grantResults, permissionResult.permissions);
2670                if (Manifest.permission.RECORD_AUDIO.equals(firstDenied)) {
2671                    res = R.string.no_microphone_permission;
2672                } else if (Manifest.permission.CAMERA.equals(firstDenied)) {
2673                    res = R.string.no_camera_permission;
2674                } else {
2675                    res = R.string.no_storage_permission;
2676                }
2677                Toast.makeText(
2678                                getActivity(),
2679                                getString(res, getString(R.string.app_name)),
2680                                Toast.LENGTH_SHORT)
2681                        .show();
2682            }
2683        }
2684        if (writeGranted(grantResults, permissions)) {
2685            if (activity != null && activity.xmppConnectionService != null) {
2686                activity.xmppConnectionService.getDrawableCache().evictAll();
2687                activity.xmppConnectionService.restartFileObserver();
2688            }
2689            refresh();
2690        }
2691        if (cameraGranted(grantResults, permissions) || audioGranted(grantResults, permissions)) {
2692            XmppConnectionService.toggleForegroundService(activity);
2693        }
2694    }
2695
2696    public void startDownloadable(Message message) {
2697        if (!hasPermissions(REQUEST_START_DOWNLOAD, Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
2698            this.mPendingDownloadableMessage = message;
2699            return;
2700        }
2701        Transferable transferable = message.getTransferable();
2702        if (transferable != null) {
2703            if (transferable instanceof TransferablePlaceholder && message.hasFileOnRemoteHost()) {
2704                createNewConnection(message);
2705                return;
2706            }
2707            if (!transferable.start()) {
2708                Log.d(Config.LOGTAG, "type: " + transferable.getClass().getName());
2709                Toast.makeText(getActivity(), R.string.not_connected_try_again, Toast.LENGTH_SHORT)
2710                        .show();
2711            }
2712        } else if (message.treatAsDownloadable()
2713                || message.hasFileOnRemoteHost()
2714                || MessageUtils.unInitiatedButKnownSize(message)) {
2715            createNewConnection(message);
2716        } else {
2717            Log.d(
2718                    Config.LOGTAG,
2719                    message.getConversation().getAccount() + ": unable to start downloadable");
2720        }
2721    }
2722
2723    private void createNewConnection(final Message message) {
2724        if (!activity.xmppConnectionService.hasInternetConnection()) {
2725            Toast.makeText(getActivity(), R.string.not_connected_try_again, Toast.LENGTH_SHORT)
2726                    .show();
2727            return;
2728        }
2729        if (message.getOob() != null && "cid".equalsIgnoreCase(message.getOob().getScheme())) {
2730            try {
2731                BobTransfer transfer = new BobTransfer.ForMessage(message, activity.xmppConnectionService);
2732                message.setTransferable(transfer);
2733                transfer.start();
2734            } catch (URISyntaxException e) {
2735                Log.d(Config.LOGTAG, "BobTransfer failed to parse URI");
2736            }
2737        } else {
2738            activity.xmppConnectionService
2739                    .getHttpConnectionManager()
2740                    .createNewDownloadConnection(message, true);
2741        }
2742    }
2743
2744    @SuppressLint("InflateParams")
2745    protected void clearHistoryDialog(final Conversation conversation) {
2746        final MaterialAlertDialogBuilder builder =
2747                new MaterialAlertDialogBuilder(requireActivity());
2748        builder.setTitle(R.string.clear_conversation_history);
2749        final View dialogView =
2750                requireActivity().getLayoutInflater().inflate(R.layout.dialog_clear_history, null);
2751        final CheckBox endConversationCheckBox =
2752                dialogView.findViewById(R.id.end_conversation_checkbox);
2753        builder.setView(dialogView);
2754        builder.setNegativeButton(getString(R.string.cancel), null);
2755        builder.setPositiveButton(
2756                getString(R.string.confirm),
2757                (dialog, which) -> {
2758                    this.activity.xmppConnectionService.clearConversationHistory(conversation);
2759                    if (endConversationCheckBox.isChecked()) {
2760                        this.activity.xmppConnectionService.archiveConversation(conversation);
2761                        this.activity.onConversationArchived(conversation);
2762                    } else {
2763                        activity.onConversationsListItemUpdated();
2764                        refresh();
2765                    }
2766                });
2767        builder.create().show();
2768    }
2769
2770    protected void muteConversationDialog(final Conversation conversation) {
2771        final MaterialAlertDialogBuilder builder =
2772                new MaterialAlertDialogBuilder(requireActivity());
2773        builder.setTitle(R.string.disable_notifications);
2774        final int[] durations = activity.getResources().getIntArray(R.array.mute_options_durations);
2775        final CharSequence[] labels = new CharSequence[durations.length];
2776        for (int i = 0; i < durations.length; ++i) {
2777            if (durations[i] == -1) {
2778                labels[i] = activity.getString(R.string.until_further_notice);
2779            } else {
2780                labels[i] = TimeFrameUtils.resolve(activity, 1000L * durations[i]);
2781            }
2782        }
2783        builder.setItems(
2784                labels,
2785                (dialog, which) -> {
2786                    final long till;
2787                    if (durations[which] == -1) {
2788                        till = Long.MAX_VALUE;
2789                    } else {
2790                        till = System.currentTimeMillis() + (durations[which] * 1000L);
2791                    }
2792                    conversation.setMutedTill(till);
2793                    activity.xmppConnectionService.updateConversation(conversation);
2794                    activity.onConversationsListItemUpdated();
2795                    refresh();
2796                    activity.invalidateOptionsMenu();
2797                });
2798        builder.create().show();
2799    }
2800
2801    private boolean hasPermissions(int requestCode, List<String> permissions) {
2802        final List<String> missingPermissions = new ArrayList<>();
2803        for (String permission : permissions) {
2804            if ((Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU
2805                            || Config.ONLY_INTERNAL_STORAGE)
2806                    && permission.equals(Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
2807                continue;
2808            }
2809            if (activity.checkSelfPermission(permission) != PackageManager.PERMISSION_GRANTED) {
2810                missingPermissions.add(permission);
2811            }
2812        }
2813        if (missingPermissions.size() == 0) {
2814            return true;
2815        } else {
2816            requestPermissions(missingPermissions.toArray(new String[0]), requestCode);
2817            return false;
2818        }
2819    }
2820
2821    private boolean hasPermissions(int requestCode, String... permissions) {
2822        return hasPermissions(requestCode, ImmutableList.copyOf(permissions));
2823    }
2824
2825    public void unMuteConversation(final Conversation conversation) {
2826        conversation.setMutedTill(0);
2827        this.activity.xmppConnectionService.updateConversation(conversation);
2828        this.activity.onConversationsListItemUpdated();
2829        refresh();
2830        this.activity.invalidateOptionsMenu();
2831    }
2832
2833    protected void invokeAttachFileIntent(final int attachmentChoice) {
2834        Intent intent = new Intent();
2835
2836        final var takePhotoIntent = new Intent();
2837        final Uri takePhotoUri = activity.xmppConnectionService.getFileBackend().getTakePhotoUri();
2838        pendingTakePhotoUri.push(takePhotoUri);
2839        takePhotoIntent.putExtra(MediaStore.EXTRA_OUTPUT, takePhotoUri);
2840        takePhotoIntent.addFlags(Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
2841        takePhotoIntent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
2842        takePhotoIntent.setAction(MediaStore.ACTION_IMAGE_CAPTURE);
2843
2844        final var takeVideoIntent = new Intent();
2845        takeVideoIntent.setAction(MediaStore.ACTION_VIDEO_CAPTURE);
2846
2847        switch (attachmentChoice) {
2848            case ATTACHMENT_CHOICE_CHOOSE_IMAGE:
2849                intent.setAction(Intent.ACTION_GET_CONTENT);
2850                intent.putExtra(Intent.EXTRA_ALLOW_MULTIPLE, true);
2851                intent.setType("*/*");
2852                intent.putExtra(Intent.EXTRA_MIME_TYPES, new String[] {"image/*", "video/*"});
2853                intent = Intent.createChooser(intent, getString(R.string.perform_action_with));
2854                if (activity.checkSelfPermission(Manifest.permission.CAMERA) == PackageManager.PERMISSION_GRANTED) {
2855                    intent.putExtra(Intent.EXTRA_INITIAL_INTENTS, new Intent[] { takePhotoIntent, takeVideoIntent });
2856                }
2857                break;
2858            case ATTACHMENT_CHOICE_RECORD_VIDEO:
2859                intent = takeVideoIntent;
2860                break;
2861            case ATTACHMENT_CHOICE_TAKE_PHOTO:
2862                intent = takePhotoIntent;
2863                break;
2864            case ATTACHMENT_CHOICE_CHOOSE_FILE:
2865                intent.setAction(Intent.ACTION_GET_CONTENT);
2866                intent.putExtra(Intent.EXTRA_ALLOW_MULTIPLE, true);
2867                intent.setType("*/*");
2868                intent.addCategory(Intent.CATEGORY_OPENABLE);
2869                intent = Intent.createChooser(intent, getString(R.string.perform_action_with));
2870                break;
2871            case ATTACHMENT_CHOICE_RECORD_VOICE:
2872                intent = new Intent(getActivity(), RecordingActivity.class);
2873                break;
2874            case ATTACHMENT_CHOICE_LOCATION:
2875                intent = GeoHelper.getFetchIntent(activity);
2876                break;
2877        }
2878        final Context context = getActivity();
2879        if (context == null) {
2880            return;
2881        }
2882        try {
2883            startActivityForResult(intent, attachmentChoice);
2884        } catch (final ActivityNotFoundException e) {
2885            Toast.makeText(context, R.string.no_application_found, Toast.LENGTH_LONG).show();
2886        }
2887    }
2888
2889    @Override
2890    public void onResume() {
2891        super.onResume();
2892        binding.messagesView.post(this::fireReadEvent);
2893    }
2894
2895    private void fireReadEvent() {
2896        if (activity != null && this.conversation != null) {
2897            String uuid = getLastVisibleMessageUuid();
2898            if (uuid != null) {
2899                activity.onConversationRead(this.conversation, uuid);
2900            }
2901        }
2902    }
2903
2904    private void newSubThread() {
2905        Element oldThread = conversation.getThread();
2906        Element thread = new Element("thread", "jabber:client");
2907        thread.setContent(UUID.randomUUID().toString());
2908        if (oldThread != null) thread.setAttribute("parent", oldThread.getContent());
2909        setThread(thread);
2910    }
2911
2912    private void newThread() {
2913        Element thread = new Element("thread", "jabber:client");
2914        thread.setContent(UUID.randomUUID().toString());
2915        setThread(thread);
2916    }
2917
2918    private void updateThreadFromLastMessage() {
2919        if (this.conversation != null && !this.conversation.getUserSelectedThread() && TextUtils.isEmpty(binding.textinput.getText())) {
2920            Message message = getLastVisibleMessage();
2921            if (message == null) {
2922                newThread();
2923            } else {
2924                if (conversation.getMode() == Conversation.MODE_MULTI) {
2925                    if (activity == null || activity.xmppConnectionService == null) return;
2926                    if (message.getStatus() < Message.STATUS_SEND) {
2927                        if (!activity.xmppConnectionService.getBooleanPreference("follow_thread_in_channel", R.bool.follow_thread_in_channel)) return;
2928                    }
2929                }
2930
2931                setThread(message.getThread());
2932            }
2933        }
2934    }
2935
2936    private String getLastVisibleMessageUuid() {
2937        Message message =  getLastVisibleMessage();
2938        return message == null ? null : message.getUuid();
2939    }
2940
2941    private Message getLastVisibleMessage() {
2942        if (binding == null) {
2943            return null;
2944        }
2945        synchronized (this.messageList) {
2946            int pos = binding.messagesView.getLastVisiblePosition();
2947            if (pos >= 0) {
2948                Message message = null;
2949                for (int i = pos; i >= 0; --i) {
2950                    try {
2951                        message = (Message) binding.messagesView.getItemAtPosition(i);
2952                    } catch (IndexOutOfBoundsException e) {
2953                        // should not happen if we synchronize properly. however if that fails we
2954                        // just gonna try item -1
2955                        continue;
2956                    }
2957                    if (message.getType() != Message.TYPE_STATUS) {
2958                        break;
2959                    }
2960                }
2961                if (message != null) {
2962                    return message;
2963                }
2964            }
2965        }
2966        return null;
2967    }
2968
2969    public void jumpTo(final Message message) {
2970        if (message.getUuid() == null) return;
2971        for (int i = 0; i < messageList.size(); i++) {
2972            final var m = messageList.get(i);
2973            if (m == null) continue;
2974            if (message.getUuid().equals(m.getUuid())) {
2975                binding.messagesView.setSelection(i);
2976                return;
2977            }
2978        }
2979    }
2980
2981    private void openWith(final Message message) {
2982        if (message.isGeoUri()) {
2983            GeoHelper.view(getActivity(), message);
2984        } else {
2985            final DownloadableFile file =
2986                    activity.xmppConnectionService.getFileBackend().getFile(message);
2987            final var fp = message.getFileParams();
2988            final var name = fp == null ? null : fp.getName();
2989            final var displayName = name == null ? file.getName() : name;
2990            ViewUtil.view(activity, file, displayName);
2991        }
2992    }
2993
2994    public void addReaction(final Message message) {
2995        activity.addReaction(emoji -> {
2996            setupReply(message);
2997            binding.textinput.setText(emoji.toInsert());
2998            sendMessage();
2999        });
3000    }
3001
3002    private void reportMessage(final Message message) {
3003        BlockContactDialog.show(activity, conversation.getContact(), message.getServerMsgId());
3004    }
3005
3006    private void showErrorMessage(final Message message) {
3007        final MaterialAlertDialogBuilder builder =
3008                new MaterialAlertDialogBuilder(requireActivity());
3009        builder.setTitle(R.string.error_message);
3010        final String errorMessage = message.getErrorMessage();
3011        final String[] errorMessageParts =
3012                errorMessage == null ? new String[0] : errorMessage.split("\\u001f");
3013        final String displayError;
3014        if (errorMessageParts.length == 2) {
3015            displayError = errorMessageParts[1];
3016        } else {
3017            displayError = errorMessage;
3018        }
3019        builder.setMessage(displayError);
3020        builder.setNegativeButton(
3021                R.string.copy_to_clipboard,
3022                (dialog, which) -> {
3023                    if (activity.copyTextToClipboard(displayError, R.string.error_message)
3024                            && Build.VERSION.SDK_INT < Build.VERSION_CODES.TIRAMISU) {
3025                        Toast.makeText(
3026                                        activity,
3027                                        R.string.error_message_copied_to_clipboard,
3028                                        Toast.LENGTH_SHORT)
3029                                .show();
3030                    }
3031                });
3032        builder.setPositiveButton(R.string.confirm, null);
3033        builder.create().show();
3034    }
3035
3036    public boolean onInlineImageLongClicked(Cid cid) {
3037        DownloadableFile f = activity.xmppConnectionService.getFileForCid(cid);
3038        if (f == null) return false;
3039
3040        saveAsSticker(f, null);
3041        return true;
3042    }
3043
3044    private void saveAsSticker(final Message m) {
3045        String existingName = m.getFileParams() != null && m.getFileParams().getName() != null ? m.getFileParams().getName() : "";
3046        existingName = existingName.lastIndexOf(".") == -1 ? existingName : existingName.substring(0, existingName.lastIndexOf("."));
3047        saveAsSticker(activity.xmppConnectionService.getFileBackend().getFile(m), existingName);
3048    }
3049
3050    private void saveAsSticker(final File file, final String name) {
3051        savingAsSticker = file;
3052
3053        Intent intent = new Intent(Intent.ACTION_CREATE_DOCUMENT);
3054        intent.addCategory(Intent.CATEGORY_OPENABLE);
3055        intent.setType(MimeUtils.guessMimeTypeFromUri(activity, activity.xmppConnectionService.getFileBackend().getUriForFile(activity, file, file.getName())));
3056        intent.putExtra(Intent.EXTRA_TITLE, name);
3057
3058        SharedPreferences p = PreferenceManager.getDefaultSharedPreferences(activity);
3059        final String dir = p.getString("sticker_directory", "Stickers");
3060        if (dir.startsWith("content://")) {
3061            intent.putExtra("android.provider.extra.INITIAL_URI", Uri.parse(dir));
3062        } else {
3063            new File(Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES) + "/" + dir + "/User Pack").mkdirs();
3064            Uri uri;
3065            if (Build.VERSION.SDK_INT >= 29) {
3066                Intent tmp = ((StorageManager) activity.getSystemService(Context.STORAGE_SERVICE)).getPrimaryStorageVolume().createOpenDocumentTreeIntent();
3067                uri = tmp.getParcelableExtra("android.provider.extra.INITIAL_URI");
3068                uri = Uri.parse(uri.toString().replace("/root/", "/document/") + "%3APictures%2F" + dir);
3069            } else {
3070                uri = Uri.parse("content://com.android.externalstorage.documents/document/primary%3APictures%2F" + dir);
3071            }
3072            intent.putExtra("android.provider.extra.INITIAL_URI", uri);
3073            intent.putExtra("android.content.extra.SHOW_ADVANCED", true);
3074        }
3075
3076        Toast.makeText(activity, "Choose a sticker pack to add this sticker to", Toast.LENGTH_SHORT).show();
3077        startActivityForResult(Intent.createChooser(intent, "Choose sticker pack"), REQUEST_SAVE_STICKER);
3078    }
3079
3080    private void deleteFile(final Message message) {
3081        final MaterialAlertDialogBuilder builder =
3082                new MaterialAlertDialogBuilder(requireActivity());
3083        builder.setNegativeButton(R.string.cancel, null);
3084        builder.setTitle(R.string.delete_file_dialog);
3085        builder.setMessage(R.string.delete_file_dialog_msg);
3086        builder.setPositiveButton(
3087                R.string.confirm,
3088                (dialog, which) -> {
3089                    List<Element> thumbs = selectedMessage.getFileParams() != null ? selectedMessage.getFileParams().getThumbnails() : null;
3090                    if (thumbs != null && !thumbs.isEmpty()) {
3091                        for (Element thumb : thumbs) {
3092                            Uri uri = Uri.parse(thumb.getAttribute("uri"));
3093                            if (uri.getScheme().equals("cid")) {
3094                                Cid cid = BobTransfer.cid(uri);
3095                                if (cid == null) continue;
3096                                DownloadableFile f = activity.xmppConnectionService.getFileForCid(cid);
3097                                activity.xmppConnectionService.evictPreview(f);
3098                                f.delete();
3099                            }
3100                        }
3101                    }
3102                    if (activity.xmppConnectionService.getFileBackend().deleteFile(message)) {
3103                        activity.xmppConnectionService.evictPreview(activity.xmppConnectionService.getFileBackend().getFile(message));
3104                        activity.xmppConnectionService.updateMessage(message, false);
3105                        activity.onConversationsListItemUpdated();
3106                        refresh();
3107                    }
3108                });
3109        builder.create().show();
3110    }
3111
3112    private void resendMessage(final Message message, final boolean forceP2P) {
3113        if (message.isFileOrImage()) {
3114            if (!(message.getConversation() instanceof Conversation conversation)) {
3115                return;
3116            }
3117            final DownloadableFile file =
3118                    activity.xmppConnectionService.getFileBackend().getFile(message);
3119            if ((file.exists() && file.canRead()) || message.hasFileOnRemoteHost()) {
3120                final XmppConnection xmppConnection = conversation.getAccount().getXmppConnection();
3121                if (!message.hasFileOnRemoteHost()
3122                        && xmppConnection != null
3123                        && conversation.getMode() == Conversational.MODE_SINGLE
3124                        && (!xmppConnection
3125                                        .getFeatures()
3126                                        .httpUpload(message.getFileParams().getSize())
3127                                || forceP2P)) {
3128                    activity.selectPresence(
3129                            conversation,
3130                            () -> {
3131                                message.setCounterpart(conversation.getNextCounterpart());
3132                                activity.xmppConnectionService.resendFailedMessages(
3133                                        message, forceP2P);
3134                                new Handler()
3135                                        .post(
3136                                                () -> {
3137                                                    int size = messageList.size();
3138                                                    this.binding.messagesView.setSelection(
3139                                                            size - 1);
3140                                                });
3141                            });
3142                    return;
3143                }
3144            } else if (!Compatibility.hasStoragePermission(getActivity())) {
3145                Toast.makeText(activity, R.string.no_storage_permission, Toast.LENGTH_SHORT).show();
3146                return;
3147            } else {
3148                Toast.makeText(activity, R.string.file_deleted, Toast.LENGTH_SHORT).show();
3149                message.setDeleted(true);
3150                activity.xmppConnectionService.updateMessage(message, false);
3151                activity.onConversationsListItemUpdated();
3152                refresh();
3153                return;
3154            }
3155        }
3156        activity.xmppConnectionService.resendFailedMessages(message, false);
3157        new Handler()
3158                .post(
3159                        () -> {
3160                            int size = messageList.size();
3161                            this.binding.messagesView.setSelection(size - 1);
3162                        });
3163    }
3164
3165    private void cancelTransmission(Message message) {
3166        Transferable transferable = message.getTransferable();
3167        if (transferable != null) {
3168            transferable.cancel();
3169        } else if (message.getStatus() != Message.STATUS_RECEIVED) {
3170            activity.xmppConnectionService.markMessage(
3171                    message, Message.STATUS_SEND_FAILED, Message.ERROR_MESSAGE_CANCELLED);
3172        }
3173    }
3174
3175    private void retryDecryption(Message message) {
3176        message.setEncryption(Message.ENCRYPTION_PGP);
3177        activity.onConversationsListItemUpdated();
3178        refresh();
3179        conversation.getAccount().getPgpDecryptionService().decrypt(message, false);
3180    }
3181
3182    public void privateMessageWith(final Jid counterpart) {
3183        if (conversation.setOutgoingChatState(Config.DEFAULT_CHAT_STATE)) {
3184            activity.xmppConnectionService.sendChatState(conversation);
3185        }
3186        this.binding.textinput.setText("");
3187        this.conversation.setNextCounterpart(counterpart);
3188        updateChatMsgHint();
3189        updateSendButton();
3190        updateEditablity();
3191    }
3192
3193    private void correctMessage(final Message message) {
3194        setThread(message.getThread());
3195        conversation.setUserSelectedThread(true);
3196        this.conversation.setCorrectingMessage(message);
3197        final Editable editable = binding.textinput.getText();
3198        this.conversation.setDraftMessage(editable.toString());
3199        this.binding.textinput.setText("");
3200        this.binding.textinput.append(message.getBody(true));
3201        if (message.getSubject() != null && message.getSubject().length() > 0) {
3202            this.binding.textinputSubject.setText(message.getSubject());
3203            this.binding.textinputSubject.setVisibility(View.VISIBLE);
3204        }
3205        setupReply(message.getInReplyTo());
3206    }
3207
3208    private void highlightInConference(String nick) {
3209        final Editable editable = this.binding.textinput.getText();
3210        String oldString = editable.toString().trim();
3211        final int pos = this.binding.textinput.getSelectionStart();
3212        if (oldString.isEmpty() || pos == 0) {
3213            editable.insert(0, nick + ": ");
3214        } else {
3215            final char before = editable.charAt(pos - 1);
3216            final char after = editable.length() > pos ? editable.charAt(pos) : '\0';
3217            if (before == '\n') {
3218                editable.insert(pos, nick + ": ");
3219            } else {
3220                if (pos > 2 && editable.subSequence(pos - 2, pos).toString().equals(": ")) {
3221                    if (NickValidityChecker.check(
3222                            conversation,
3223                            Arrays.asList(
3224                                    editable.subSequence(0, pos - 2).toString().split(", ")))) {
3225                        editable.insert(pos - 2, ", " + nick);
3226                        return;
3227                    }
3228                }
3229                editable.insert(
3230                        pos,
3231                        (Character.isWhitespace(before) ? "" : " ")
3232                                + nick
3233                                + (Character.isWhitespace(after) ? "" : " "));
3234                if (Character.isWhitespace(after)) {
3235                    this.binding.textinput.setSelection(
3236                            this.binding.textinput.getSelectionStart() + 1);
3237                }
3238            }
3239        }
3240    }
3241
3242    @Override
3243    public void startActivityForResult(Intent intent, int requestCode) {
3244        final Activity activity = getActivity();
3245        if (activity instanceof ConversationsActivity) {
3246            ((ConversationsActivity) activity).clearPendingViewIntent();
3247        }
3248        super.startActivityForResult(intent, requestCode);
3249    }
3250
3251    @Override
3252    public void onSaveInstanceState(@NonNull Bundle outState) {
3253        super.onSaveInstanceState(outState);
3254        if (conversation != null) {
3255            outState.putString(STATE_CONVERSATION_UUID, conversation.getUuid());
3256            outState.putString(STATE_LAST_MESSAGE_UUID, lastMessageUuid);
3257            final Uri uri = pendingTakePhotoUri.peek();
3258            if (uri != null) {
3259                outState.putString(STATE_PHOTO_URI, uri.toString());
3260            }
3261            final ScrollState scrollState = getScrollPosition();
3262            if (scrollState != null) {
3263                outState.putParcelable(STATE_SCROLL_POSITION, scrollState);
3264            }
3265            final ArrayList<Attachment> attachments =
3266                    mediaPreviewAdapter == null
3267                            ? new ArrayList<>()
3268                            : mediaPreviewAdapter.getAttachments();
3269            if (attachments.size() > 0) {
3270                outState.putParcelableArrayList(STATE_MEDIA_PREVIEWS, attachments);
3271            }
3272        }
3273    }
3274
3275    @Override
3276    public void onActivityCreated(Bundle savedInstanceState) {
3277        super.onActivityCreated(savedInstanceState);
3278        if (savedInstanceState == null) {
3279            return;
3280        }
3281        String uuid = savedInstanceState.getString(STATE_CONVERSATION_UUID);
3282        ArrayList<Attachment> attachments =
3283                savedInstanceState.getParcelableArrayList(STATE_MEDIA_PREVIEWS);
3284        pendingLastMessageUuid.push(savedInstanceState.getString(STATE_LAST_MESSAGE_UUID, null));
3285        if (uuid != null) {
3286            QuickLoader.set(uuid);
3287            this.pendingConversationsUuid.push(uuid);
3288            if (attachments != null && attachments.size() > 0) {
3289                this.pendingMediaPreviews.push(attachments);
3290            }
3291            String takePhotoUri = savedInstanceState.getString(STATE_PHOTO_URI);
3292            if (takePhotoUri != null) {
3293                pendingTakePhotoUri.push(Uri.parse(takePhotoUri));
3294            }
3295            pendingScrollState.push(savedInstanceState.getParcelable(STATE_SCROLL_POSITION));
3296        }
3297    }
3298
3299    @Override
3300    public void onStart() {
3301        super.onStart();
3302        if (this.reInitRequiredOnStart && this.conversation != null) {
3303            final Bundle extras = pendingExtras.pop();
3304            reInit(this.conversation, extras != null);
3305            if (extras != null) {
3306                processExtras(extras);
3307            }
3308        } else if (conversation == null
3309                && activity != null
3310                && activity.xmppConnectionService != null) {
3311            final String uuid = pendingConversationsUuid.pop();
3312            Log.d(
3313                    Config.LOGTAG,
3314                    "ConversationFragment.onStart() - activity was bound but no conversation"
3315                            + " loaded. uuid="
3316                            + uuid);
3317            if (uuid != null) {
3318                findAndReInitByUuidOrArchive(uuid);
3319            }
3320        }
3321    }
3322
3323    @Override
3324    public void onStop() {
3325        super.onStop();
3326        final Activity activity = getActivity();
3327        messageListAdapter.unregisterListenerInAudioPlayer();
3328        if (activity == null || !activity.isChangingConfigurations()) {
3329            hideSoftKeyboard(activity);
3330            messageListAdapter.stopAudioPlayer();
3331        }
3332        if (this.conversation != null) {
3333            final String msg = this.binding.textinput.getText().toString();
3334            storeNextMessage(msg);
3335            updateChatState(this.conversation, msg);
3336            this.activity.xmppConnectionService.getNotificationService().setOpenConversation(null);
3337        }
3338        this.reInitRequiredOnStart = true;
3339    }
3340
3341    private void updateChatState(final Conversation conversation, final String msg) {
3342        ChatState state = msg.length() == 0 ? Config.DEFAULT_CHAT_STATE : ChatState.PAUSED;
3343        Account.State status = conversation.getAccount().getStatus();
3344        if (status == Account.State.ONLINE && conversation.setOutgoingChatState(state)) {
3345            activity.xmppConnectionService.sendChatState(conversation);
3346        }
3347    }
3348
3349    private void saveMessageDraftStopAudioPlayer() {
3350        final Conversation previousConversation = this.conversation;
3351        if (this.activity == null || this.binding == null || previousConversation == null) {
3352            return;
3353        }
3354        Log.d(Config.LOGTAG, "ConversationFragment.saveMessageDraftStopAudioPlayer()");
3355        final String msg = this.binding.textinput.getText().toString();
3356        storeNextMessage(msg);
3357        updateChatState(this.conversation, msg);
3358        messageListAdapter.stopAudioPlayer();
3359        mediaPreviewAdapter.clearPreviews();
3360        toggleInputMethod();
3361    }
3362
3363    public void reInit(final Conversation conversation, final Bundle extras) {
3364        QuickLoader.set(conversation.getUuid());
3365        final boolean changedConversation = this.conversation != conversation;
3366        if (changedConversation) {
3367            this.saveMessageDraftStopAudioPlayer();
3368        }
3369        this.clearPending();
3370        if (this.reInit(conversation, extras != null)) {
3371            if (extras != null) {
3372                processExtras(extras);
3373            }
3374            this.reInitRequiredOnStart = false;
3375        } else {
3376            this.reInitRequiredOnStart = true;
3377            pendingExtras.push(extras);
3378        }
3379        resetUnreadMessagesCount();
3380    }
3381
3382    private void reInit(Conversation conversation) {
3383        reInit(conversation, false);
3384    }
3385
3386    private boolean reInit(final Conversation conversation, final boolean hasExtras) {
3387        if (conversation == null) {
3388            return false;
3389        }
3390        final Conversation originalConversation = this.conversation;
3391        this.conversation = conversation;
3392        // once we set the conversation all is good and it will automatically do the right thing in
3393        // onStart()
3394        if (this.activity == null || this.binding == null) {
3395            return false;
3396        }
3397
3398        if (!activity.xmppConnectionService.isConversationStillOpen(this.conversation)) {
3399            activity.onConversationArchived(this.conversation);
3400            return false;
3401        }
3402
3403        final var cursord = activity.getDrawable(R.drawable.cursor_on_tertiary_container);
3404        if (activity.xmppConnectionService != null && activity.xmppConnectionService.getAccounts().size() > 1) {
3405            final var bg = MaterialColors.getColor(binding.textinput, com.google.android.material.R.attr.colorSurface);
3406            final var accountColor = conversation.getAccount().getColor(activity.isDark());
3407            final var colors = MaterialColors.getColorRoles(activity, accountColor);
3408            final var accent = activity.isDark() ? ColorUtils.blendARGB(colors.getAccentContainer(), bg, 1.0f - Math.max(0.25f, Color.alpha(accountColor) / 255.0f)) : colors.getAccentContainer();
3409            cursord.setTintList(ColorStateList.valueOf(colors.getOnAccentContainer()));
3410            binding.inputLayout.setBackgroundTintList(ColorStateList.valueOf(accent));
3411            binding.textinputSubject.setTextColor(colors.getOnAccentContainer());
3412            binding.textinput.setTextColor(colors.getOnAccentContainer());
3413            binding.textinputSubject.setHintTextColor(ColorStateList.valueOf(colors.getOnAccentContainer()).withAlpha(115));
3414            binding.textinput.setHintTextColor(ColorStateList.valueOf(colors.getOnAccentContainer()).withAlpha(115));
3415            binding.textInputHint.setTextColor(colors.getOnAccentContainer());
3416        } else {
3417            cursord.setTintList(ColorStateList.valueOf(MaterialColors.getColor(binding.textinput, com.google.android.material.R.attr.colorOnTertiaryContainer)));
3418            binding.inputLayout.setBackgroundTintList(ColorStateList.valueOf(MaterialColors.getColor(binding.inputLayout, com.google.android.material.R.attr.colorTertiaryContainer)));
3419            binding.textinputSubject.setTextColor(MaterialColors.getColor(binding.textinputSubject, com.google.android.material.R.attr.colorOnTertiaryContainer));
3420            binding.textinput.setTextColor(MaterialColors.getColor(binding.textinput, com.google.android.material.R.attr.colorOnTertiaryContainer));
3421            binding.textinputSubject.setHintTextColor(R.color.hint_on_tertiary_container);
3422            binding.textinput.setHintTextColor(R.color.hint_on_tertiary_container);
3423            binding.textInputHint.setTextColor(MaterialColors.getColor(binding.textInputHint, com.google.android.material.R.attr.colorOnTertiaryContainer));
3424        }
3425        if (Build.VERSION.SDK_INT >= 29) {
3426            binding.textinputSubject.setTextCursorDrawable(cursord);
3427            binding.textinput.setTextCursorDrawable(cursord);
3428        }
3429
3430        setThread(conversation.getThread());
3431        setupReply(conversation.getReplyTo());
3432
3433        stopScrolling();
3434        Log.d(Config.LOGTAG, "reInit(hasExtras=" + hasExtras + ")");
3435
3436        if (this.conversation.isRead(activity == null ? null : activity.xmppConnectionService) && hasExtras) {
3437            Log.d(Config.LOGTAG, "trimming conversation");
3438            this.conversation.trim();
3439        }
3440
3441        setupIme();
3442
3443        final boolean scrolledToBottomAndNoPending =
3444                this.scrolledToBottom() && pendingScrollState.peek() == null;
3445
3446        this.binding.textSendButton.setContentDescription(
3447                activity.getString(R.string.send_message_to_x, conversation.getName()));
3448        this.binding.textinput.setKeyboardListener(null);
3449        this.binding.textinputSubject.setKeyboardListener(null);
3450        final boolean participating =
3451                conversation.getMode() == Conversational.MODE_SINGLE
3452                        || conversation.getMucOptions().participating();
3453        if (participating) {
3454            this.binding.textinput.setText(this.conversation.getNextMessage());
3455            this.binding.textinput.setSelection(this.binding.textinput.length());
3456        } else {
3457            this.binding.textinput.setText(MessageUtils.EMPTY_STRING);
3458        }
3459        this.binding.textinput.setKeyboardListener(this);
3460        this.binding.textinputSubject.setKeyboardListener(this);
3461        messageListAdapter.updatePreferences();
3462        refresh(false);
3463        activity.invalidateOptionsMenu();
3464        this.conversation.messagesLoaded.set(true);
3465        Log.d(Config.LOGTAG, "scrolledToBottomAndNoPending=" + scrolledToBottomAndNoPending);
3466
3467        if (hasExtras || scrolledToBottomAndNoPending) {
3468            resetUnreadMessagesCount();
3469            synchronized (this.messageList) {
3470                Log.d(Config.LOGTAG, "jump to first unread message");
3471                final Message first = conversation.getFirstUnreadMessage();
3472                final int bottom = Math.max(0, this.messageList.size() - 1);
3473                final int pos;
3474                final boolean jumpToBottom;
3475                if (first == null) {
3476                    pos = bottom;
3477                    jumpToBottom = true;
3478                } else {
3479                    int i = getIndexOf(first.getUuid(), this.messageList);
3480                    pos = i < 0 ? bottom : i;
3481                    jumpToBottom = false;
3482                }
3483                setSelection(pos, jumpToBottom);
3484            }
3485        }
3486
3487        this.binding.messagesView.post(this::fireReadEvent);
3488        // TODO if we only do this when this fragment is running on main it won't *bing* in tablet
3489        // layout which might be unnecessary since we can *see* it
3490        activity.xmppConnectionService
3491                .getNotificationService()
3492                .setOpenConversation(this.conversation);
3493
3494        if (commandAdapter != null && conversation != originalConversation) {
3495            commandAdapter.clear();
3496            conversation.setupViewPager(binding.conversationViewPager, binding.tabLayout, activity.xmppConnectionService.isOnboarding(), originalConversation);
3497            refreshCommands(false);
3498        }
3499        if (commandAdapter == null && conversation != null) {
3500            conversation.setupViewPager(binding.conversationViewPager, binding.tabLayout, activity.xmppConnectionService.isOnboarding(), null);
3501            commandAdapter = new CommandAdapter((XmppActivity) getActivity());
3502            binding.commandsView.setAdapter(commandAdapter);
3503            binding.commandsView.setOnItemClickListener((parent, view, position, id) -> {
3504                if (activity == null) return;
3505
3506                commandAdapter.getItem(position).start(activity, ConversationFragment.this.conversation);
3507            });
3508            refreshCommands(false);
3509        }
3510
3511        binding.commandsNote.setVisibility(activity.xmppConnectionService.isOnboarding() ? View.VISIBLE : View.GONE);
3512
3513        return true;
3514    }
3515
3516    @Override
3517    public void refreshForNewCaps(final Set<Jid> newCapsJids) {
3518        if (newCapsJids.isEmpty() || (conversation != null && newCapsJids.contains(conversation.getJid().asBareJid()))) {
3519            refreshCommands(true);
3520        }
3521    }
3522
3523    protected void refreshCommands(boolean delayShow) {
3524        if (commandAdapter == null) return;
3525
3526        final CommandAdapter.MucConfig mucConfig =
3527            conversation.getMucOptions().getSelf().getAffiliation().ranks(MucOptions.Affiliation.OWNER) ?
3528            new CommandAdapter.MucConfig() :
3529            null;
3530
3531        Jid commandJid = conversation.getContact().resourceWhichSupport(Namespace.COMMANDS);
3532        if (commandJid == null && conversation.getMode() == Conversation.MODE_MULTI && conversation.getMucOptions().hasFeature(Namespace.COMMANDS)) {
3533            commandJid = conversation.getJid().asBareJid();
3534        }
3535        if (commandJid == null && conversation.getJid().isDomainJid()) {
3536            commandJid = conversation.getJid();
3537        }
3538        if (commandJid == null) {
3539            binding.commandsViewProgressbar.setVisibility(View.GONE);
3540            if (mucConfig == null) {
3541                conversation.hideViewPager();
3542            } else {
3543                commandAdapter.clear();
3544                commandAdapter.add(mucConfig);
3545                conversation.showViewPager();
3546            }
3547        } else {
3548            if (!delayShow) conversation.showViewPager();
3549            binding.commandsViewProgressbar.setVisibility(View.VISIBLE);
3550            activity.xmppConnectionService.fetchCommands(conversation.getAccount(), commandJid, (iq) -> {
3551                if (activity == null) return;
3552
3553                activity.runOnUiThread(() -> {
3554                    binding.commandsViewProgressbar.setVisibility(View.GONE);
3555                    commandAdapter.clear();
3556                    if (iq.getType() == Iq.Type.RESULT) {
3557                        for (Element child : iq.query().getChildren()) {
3558                            if (!"item".equals(child.getName()) || !Namespace.DISCO_ITEMS.equals(child.getNamespace())) continue;
3559                            commandAdapter.add(new CommandAdapter.Command0050(child));
3560                        }
3561                    }
3562
3563                    if (mucConfig != null) commandAdapter.add(mucConfig);
3564
3565                    if (commandAdapter.getCount() < 1) {
3566                        conversation.hideViewPager();
3567                    } else if (delayShow) {
3568                        conversation.showViewPager();
3569                    }
3570                });
3571            });
3572        }
3573    }
3574
3575    private void resetUnreadMessagesCount() {
3576        lastMessageUuid = null;
3577        hideUnreadMessagesCount();
3578    }
3579
3580    private void hideUnreadMessagesCount() {
3581        if (this.binding == null) {
3582            return;
3583        }
3584        this.binding.scrollToBottomButton.setEnabled(false);
3585        this.binding.scrollToBottomButton.hide();
3586        this.binding.unreadCountCustomView.setVisibility(View.GONE);
3587    }
3588
3589    private void setSelection(int pos, boolean jumpToBottom) {
3590        ListViewUtils.setSelection(this.binding.messagesView, pos, jumpToBottom);
3591        this.binding.messagesView.post(
3592                () -> ListViewUtils.setSelection(this.binding.messagesView, pos, jumpToBottom));
3593        this.binding.messagesView.post(this::fireReadEvent);
3594    }
3595
3596    private boolean scrolledToBottom() {
3597        return this.binding != null && scrolledToBottom(this.binding.messagesView);
3598    }
3599
3600    private void processExtras(final Bundle extras) {
3601        final String downloadUuid = extras.getString(ConversationsActivity.EXTRA_DOWNLOAD_UUID);
3602        final String text = extras.getString(Intent.EXTRA_TEXT);
3603        final String nick = extras.getString(ConversationsActivity.EXTRA_NICK);
3604        final String node = extras.getString(ConversationsActivity.EXTRA_NODE);
3605        final String postInitAction =
3606                extras.getString(ConversationsActivity.EXTRA_POST_INIT_ACTION);
3607        final boolean asQuote = extras.getBoolean(ConversationsActivity.EXTRA_AS_QUOTE);
3608        final boolean pm = extras.getBoolean(ConversationsActivity.EXTRA_IS_PRIVATE_MESSAGE, false);
3609        final boolean doNotAppend =
3610                extras.getBoolean(ConversationsActivity.EXTRA_DO_NOT_APPEND, false);
3611        final String type = extras.getString(ConversationsActivity.EXTRA_TYPE);
3612
3613        final String thread = extras.getString(ConversationsActivity.EXTRA_THREAD);
3614        if (thread != null) {
3615            conversation.setLockThread(true);
3616            backPressedLeaveSingleThread.setEnabled(true);
3617            setThread(new Element("thread").setContent(thread));
3618            refresh();
3619        }
3620
3621        final List<Uri> uris = extractUris(extras);
3622        if (uris != null && uris.size() > 0) {
3623            if (uris.size() == 1 && "geo".equals(uris.get(0).getScheme())) {
3624                mediaPreviewAdapter.addMediaPreviews(
3625                        Attachment.of(getActivity(), uris.get(0), Attachment.Type.LOCATION));
3626            } else {
3627                final List<Uri> cleanedUris = cleanUris(new ArrayList<>(uris));
3628                mediaPreviewAdapter.addMediaPreviews(
3629                        Attachment.of(getActivity(), cleanedUris, type));
3630            }
3631            toggleInputMethod();
3632            return;
3633        }
3634        if (nick != null) {
3635            if (pm) {
3636                Jid jid = conversation.getJid();
3637                try {
3638                    Jid next = Jid.of(jid.getLocal(), jid.getDomain(), nick);
3639                    privateMessageWith(next);
3640                } catch (final IllegalArgumentException ignored) {
3641                    // do nothing
3642                }
3643            } else {
3644                final MucOptions mucOptions = conversation.getMucOptions();
3645                if (mucOptions.participating() || conversation.getNextCounterpart() != null) {
3646                    highlightInConference(nick);
3647                }
3648            }
3649        } else {
3650            if (text != null && Patterns.URI_GEO.matcher(text).matches()) {
3651                mediaPreviewAdapter.addMediaPreviews(
3652                        Attachment.of(getActivity(), Uri.parse(text), Attachment.Type.LOCATION));
3653                toggleInputMethod();
3654                return;
3655            } else if (text != null && asQuote) {
3656                quoteText(text);
3657            } else {
3658                appendText(text, doNotAppend);
3659            }
3660        }
3661        if (ConversationsActivity.POST_ACTION_RECORD_VOICE.equals(postInitAction)) {
3662            attachFile(ATTACHMENT_CHOICE_RECORD_VOICE, false);
3663            return;
3664        }
3665        if ("call".equals(postInitAction)) {
3666            checkPermissionAndTriggerAudioCall();
3667        }
3668        if ("message".equals(postInitAction)) {
3669            binding.conversationViewPager.post(() -> {
3670                binding.conversationViewPager.setCurrentItem(0);
3671            });
3672        }
3673        if ("command".equals(postInitAction)) {
3674            binding.conversationViewPager.post(() -> {
3675                PagerAdapter adapter = binding.conversationViewPager.getAdapter();
3676                if (adapter != null && adapter.getCount() > 1) {
3677                    binding.conversationViewPager.setCurrentItem(1);
3678                }
3679                final String jid = extras.getString(ConversationsActivity.EXTRA_JID);
3680                Jid commandJid = null;
3681                if (jid != null) {
3682                    try {
3683                        commandJid = Jid.of(jid);
3684                    } catch (final IllegalArgumentException e) { }
3685                }
3686                if (commandJid == null || !commandJid.isFullJid()) {
3687                    final Jid discoJid = conversation.getContact().resourceWhichSupport(Namespace.COMMANDS);
3688                    if (discoJid != null) commandJid = discoJid;
3689                }
3690                if (node != null && commandJid != null && activity != null) {
3691                    conversation.startCommand(commandFor(commandJid, node), activity.xmppConnectionService);
3692                }
3693            });
3694            return;
3695        }
3696        Message message =
3697                downloadUuid == null ? null : conversation.findMessageWithFileAndUuid(downloadUuid);
3698        if ("webxdc".equals(postInitAction)) {
3699            if (message == null) {
3700                message = activity.xmppConnectionService.getMessage(conversation, downloadUuid);
3701            }
3702            if (message == null) return;
3703
3704            Cid webxdcCid = message.getFileParams().getCids().get(0);
3705            WebxdcPage webxdc = new WebxdcPage(activity, webxdcCid, message);
3706            Conversation conversation = (Conversation) message.getConversation();
3707            if (!conversation.switchToSession("webxdc\0" + message.getUuid())) {
3708                conversation.startWebxdc(webxdc);
3709            }
3710        }
3711        if (message != null) {
3712            startDownloadable(message);
3713        }
3714        if (activity.xmppConnectionService.isOnboarding() && conversation.getJid().equals(Jid.of("cheogram.com"))) {
3715            if (!conversation.switchToSession("jabber:iq:register")) {
3716                conversation.startCommand(commandFor(Jid.of("cheogram.com/CHEOGRAM%jabber:iq:register"), "jabber:iq:register"), activity.xmppConnectionService);
3717            }
3718        }
3719    }
3720
3721    private Element commandFor(final Jid jid, final String node) {
3722        if (commandAdapter != null) {
3723            for (int i = 0; i < commandAdapter.getCount(); i++) {
3724                final CommandAdapter.Command c = commandAdapter.getItem(i);
3725                if (!(c instanceof CommandAdapter.Command0050)) continue;
3726
3727                final Element command = ((CommandAdapter.Command0050) c).el;
3728                final String commandNode = command.getAttribute("node");
3729                if (commandNode == null || !commandNode.equals(node)) continue;
3730
3731                final Jid commandJid = command.getAttributeAsJid("jid");
3732                if (commandJid != null && !commandJid.asBareJid().equals(jid.asBareJid())) continue;
3733
3734                return command;
3735            }
3736        }
3737
3738        return new Element("command", Namespace.COMMANDS).setAttribute("name", node).setAttribute("node", node).setAttribute("jid", jid);
3739    }
3740
3741    private List<Uri> extractUris(final Bundle extras) {
3742        final List<Uri> uris = extras.getParcelableArrayList(Intent.EXTRA_STREAM);
3743        if (uris != null) {
3744            return uris;
3745        }
3746        final Uri uri = extras.getParcelable(Intent.EXTRA_STREAM);
3747        if (uri != null) {
3748            return Collections.singletonList(uri);
3749        } else {
3750            return null;
3751        }
3752    }
3753
3754    private List<Uri> cleanUris(final List<Uri> uris) {
3755        final Iterator<Uri> iterator = uris.iterator();
3756        while (iterator.hasNext()) {
3757            final Uri uri = iterator.next();
3758            if (FileBackend.dangerousFile(uri)) {
3759                iterator.remove();
3760                Toast.makeText(
3761                                requireActivity(),
3762                                R.string.security_violation_not_attaching_file,
3763                                Toast.LENGTH_SHORT)
3764                        .show();
3765            }
3766        }
3767        return uris;
3768    }
3769
3770    private boolean showBlockSubmenu(View view) {
3771        final Jid jid = conversation.getJid();
3772        final int mode = conversation.getMode();
3773        final var contact = mode == Conversation.MODE_SINGLE ? conversation.getContact() : null;
3774        final boolean showReject = contact.getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST);
3775        PopupMenu popupMenu = new PopupMenu(getActivity(), view);
3776        popupMenu.inflate(R.menu.block);
3777        popupMenu.getMenu().findItem(R.id.block_contact).setVisible(jid.getLocal() != null);
3778        popupMenu.getMenu().findItem(R.id.reject).setVisible(showReject);
3779        popupMenu.getMenu().findItem(R.id.add_contact).setVisible(!contact.showInRoster());
3780        popupMenu.setOnMenuItemClickListener(
3781                menuItem -> {
3782                    Blockable blockable;
3783                    switch (menuItem.getItemId()) {
3784                        case R.id.reject:
3785                            activity.xmppConnectionService.stopPresenceUpdatesTo(
3786                                    conversation.getContact());
3787                            updateSnackBar(conversation);
3788                            return true;
3789                        case R.id.add_contact:
3790                            mAddBackClickListener.onClick(view);
3791                            return true;
3792                        case R.id.block_domain:
3793                            blockable =
3794                                    conversation
3795                                            .getAccount()
3796                                            .getRoster()
3797                                            .getContact(jid.getDomain());
3798                            break;
3799                        default:
3800                            blockable = conversation;
3801                    }
3802                    BlockContactDialog.show(activity, blockable);
3803                    return true;
3804                });
3805        popupMenu.show();
3806        return true;
3807    }
3808
3809    private boolean showBlockMucSubmenu(View view) {
3810        final var jid = conversation.getJid();
3811        final var popupMenu = new PopupMenu(getActivity(), view);
3812        popupMenu.inflate(R.menu.block_muc);
3813        popupMenu.getMenu().findItem(R.id.block_contact).setVisible(jid.getLocal() != null);
3814        popupMenu.setOnMenuItemClickListener(
3815                menuItem -> {
3816                    Blockable blockable;
3817                    switch (menuItem.getItemId()) {
3818                        case R.id.reject:
3819                            activity.xmppConnectionService.clearConversationHistory(conversation);
3820                            activity.xmppConnectionService.archiveConversation(conversation);
3821                            return true;
3822                        case R.id.add_bookmark:
3823                            activity.xmppConnectionService.saveConversationAsBookmark(conversation, "");
3824                            updateSnackBar(conversation);
3825                            return true;
3826                        case R.id.block_contact:
3827                            blockable =
3828                                    conversation
3829                                            .getAccount()
3830                                            .getRoster()
3831                                            .getContact(Jid.of(conversation.getAttribute("inviter")));
3832                            break;
3833                        default:
3834                            blockable = conversation;
3835                    }
3836                    BlockContactDialog.show(activity, blockable);
3837                    activity.xmppConnectionService.archiveConversation(conversation);
3838                    return true;
3839                });
3840        popupMenu.show();
3841        return true;
3842    }
3843
3844    private void updateSnackBar(final Conversation conversation) {
3845        final Account account = conversation.getAccount();
3846        final XmppConnection connection = account.getXmppConnection();
3847        final int mode = conversation.getMode();
3848        final Contact contact = mode == Conversation.MODE_SINGLE ? conversation.getContact() : null;
3849        if (conversation.getStatus() == Conversation.STATUS_ARCHIVED) {
3850            return;
3851        }
3852        if (account.getStatus() == Account.State.DISABLED) {
3853            showSnackbar(
3854                    R.string.this_account_is_disabled,
3855                    R.string.enable,
3856                    this.mEnableAccountListener);
3857        } else if (account.getStatus() == Account.State.LOGGED_OUT) {
3858            showSnackbar(
3859                    R.string.this_account_is_logged_out,
3860                    R.string.log_in,
3861                    this.mEnableAccountListener);
3862        } else if (conversation.isBlocked()) {
3863            showSnackbar(R.string.contact_blocked, R.string.unblock, this.mUnblockClickListener);
3864        } else if (account.getStatus() == Account.State.CONNECTING) {
3865            showSnackbar(R.string.this_account_is_connecting, 0, null);
3866        } else if (account.getStatus() != Account.State.ONLINE) {
3867            showSnackbar(R.string.this_account_is_offline, 0, null);
3868        } else if (contact != null
3869                && !contact.showInRoster()
3870                && contact.getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)) {
3871            showSnackbar(
3872                    R.string.contact_added_you,
3873                    R.string.options,
3874                    this.mBlockClickListener,
3875                    this.mLongPressBlockListener);
3876        } else if (contact != null
3877                && contact.getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)) {
3878            showSnackbar(
3879                    R.string.contact_asks_for_presence_subscription,
3880                    R.string.allow,
3881                    this.mAllowPresenceSubscription,
3882                    this.mLongPressBlockListener);
3883        } else if (mode == Conversation.MODE_MULTI
3884                && !conversation.getMucOptions().online()
3885                && account.getStatus() == Account.State.ONLINE) {
3886            switch (conversation.getMucOptions().getError()) {
3887                case NICK_IN_USE:
3888                    showSnackbar(R.string.nick_in_use, R.string.edit, clickToMuc);
3889                    break;
3890                case NO_RESPONSE:
3891                    showSnackbar(R.string.joining_conference, 0, null);
3892                    break;
3893                case SERVER_NOT_FOUND:
3894                    if (conversation.receivedMessagesCount() > 0) {
3895                        showSnackbar(R.string.remote_server_not_found, R.string.try_again, joinMuc);
3896                    } else {
3897                        showSnackbar(R.string.remote_server_not_found, R.string.leave, leaveMuc);
3898                    }
3899                    break;
3900                case REMOTE_SERVER_TIMEOUT:
3901                    if (conversation.receivedMessagesCount() > 0) {
3902                        showSnackbar(R.string.remote_server_timeout, R.string.try_again, joinMuc);
3903                    } else {
3904                        showSnackbar(R.string.remote_server_timeout, R.string.leave, leaveMuc);
3905                    }
3906                    break;
3907                case PASSWORD_REQUIRED:
3908                    showSnackbar(
3909                            R.string.conference_requires_password,
3910                            R.string.enter_password,
3911                            enterPassword);
3912                    break;
3913                case BANNED:
3914                    showSnackbar(R.string.conference_banned, R.string.leave, leaveMuc);
3915                    break;
3916                case MEMBERS_ONLY:
3917                    showSnackbar(R.string.conference_members_only, R.string.leave, leaveMuc);
3918                    break;
3919                case RESOURCE_CONSTRAINT:
3920                    showSnackbar(
3921                            R.string.conference_resource_constraint, R.string.try_again, joinMuc);
3922                    break;
3923                case KICKED:
3924                    showSnackbar(R.string.conference_kicked, R.string.join, joinMuc);
3925                    break;
3926                case TECHNICAL_PROBLEMS:
3927                    showSnackbar(
3928                            R.string.conference_technical_problems, R.string.try_again, joinMuc);
3929                    break;
3930                case UNKNOWN:
3931                    showSnackbar(R.string.conference_unknown_error, R.string.try_again, joinMuc);
3932                    break;
3933                case INVALID_NICK:
3934                    showSnackbar(R.string.invalid_muc_nick, R.string.edit, clickToMuc);
3935                case SHUTDOWN:
3936                    showSnackbar(R.string.conference_shutdown, R.string.try_again, joinMuc);
3937                    break;
3938                case DESTROYED:
3939                    showSnackbar(R.string.conference_destroyed, R.string.leave, leaveMuc);
3940                    break;
3941                case NON_ANONYMOUS:
3942                    showSnackbar(
3943                            R.string.group_chat_will_make_your_jabber_id_public,
3944                            R.string.join,
3945                            acceptJoin);
3946                    break;
3947                default:
3948                    hideSnackbar();
3949                    break;
3950            }
3951        } else if (account.hasPendingPgpIntent(conversation)) {
3952            showSnackbar(R.string.openpgp_messages_found, R.string.decrypt, clickToDecryptListener);
3953        } else if (connection != null
3954                && connection.getFeatures().blocking()
3955                && conversation.strangerInvited()) {
3956            showSnackbar(
3957                    R.string.received_invite_from_stranger,
3958                    R.string.options,
3959                    (v) -> showBlockMucSubmenu(v),
3960                    (v) -> showBlockMucSubmenu(v));
3961        } else if (connection != null
3962                && connection.getFeatures().blocking()
3963                && conversation.countMessages() != 0
3964                && !conversation.isBlocked()
3965                && conversation.isWithStranger()) {
3966            showSnackbar(
3967                    R.string.received_message_from_stranger,
3968                    R.string.options,
3969                    this.mBlockClickListener,
3970                    this.mLongPressBlockListener);
3971        } else {
3972            hideSnackbar();
3973        }
3974    }
3975
3976    @Override
3977    public void refresh() {
3978        if (this.binding == null) {
3979            Log.d(
3980                    Config.LOGTAG,
3981                    "ConversationFragment.refresh() skipped updated because view binding was null");
3982            return;
3983        }
3984        if (this.conversation != null
3985                && this.activity != null
3986                && this.activity.xmppConnectionService != null) {
3987            if (!activity.xmppConnectionService.isConversationStillOpen(this.conversation)) {
3988                activity.onConversationArchived(this.conversation);
3989                return;
3990            }
3991        }
3992        this.refresh(true);
3993    }
3994
3995    private void refresh(boolean notifyConversationRead) {
3996        synchronized (this.messageList) {
3997            if (this.conversation != null) {
3998                if (messageListAdapter.hasSelection()) {
3999                    if (notifyConversationRead) binding.messagesView.postDelayed(this::refresh, 1000L);
4000                } else {
4001                    conversation.populateWithMessages(this.messageList, activity == null ? null : activity.xmppConnectionService);
4002                    try {
4003                        updateStatusMessages();
4004                    } catch (IllegalStateException e) {
4005                        Log.e(Config.LOGTAG, "Problem updating status messages on refresh: " + e);
4006                    }
4007                    this.messageListAdapter.notifyDataSetChanged();
4008                }
4009                if (conversation.getReceivedMessagesCountSinceUuid(lastMessageUuid) != 0) {
4010                    binding.unreadCountCustomView.setVisibility(View.VISIBLE);
4011                    binding.unreadCountCustomView.setUnreadCount(
4012                            conversation.getReceivedMessagesCountSinceUuid(lastMessageUuid));
4013                }
4014                updateSnackBar(conversation);
4015                if (activity != null) updateChatMsgHint();
4016                if (notifyConversationRead && activity != null) {
4017                    binding.messagesView.post(this::fireReadEvent);
4018                }
4019                updateSendButton();
4020                updateEditablity();
4021                conversation.refreshSessions();
4022            }
4023        }
4024    }
4025
4026    protected void messageSent() {
4027        binding.textinputSubject.setText("");
4028        binding.textinputSubject.setVisibility(View.GONE);
4029        setThread(null);
4030        setupReply(null);
4031        conversation.setUserSelectedThread(false);
4032        mSendingPgpMessage.set(false);
4033        this.binding.textinput.setText("");
4034        if (conversation.setCorrectingMessage(null)) {
4035            this.binding.textinput.append(conversation.getDraftMessage());
4036            conversation.setDraftMessage(null);
4037        }
4038        storeNextMessage();
4039        updateChatMsgHint();
4040        if (activity == null) return;
4041        SharedPreferences p = PreferenceManager.getDefaultSharedPreferences(activity);
4042        final boolean prefScrollToBottom =
4043                p.getBoolean(
4044                        "scroll_to_bottom",
4045                        activity.getResources().getBoolean(R.bool.scroll_to_bottom));
4046        if (prefScrollToBottom || scrolledToBottom()) {
4047            new Handler()
4048                    .post(
4049                            () -> {
4050                                int size = messageList.size();
4051                                this.binding.messagesView.setSelection(size - 1);
4052                            });
4053        }
4054    }
4055
4056    private boolean storeNextMessage() {
4057        return storeNextMessage(this.binding.textinput.getText().toString());
4058    }
4059
4060    private boolean storeNextMessage(String msg) {
4061        final boolean participating =
4062                conversation.getMode() == Conversational.MODE_SINGLE
4063                        || conversation.getMucOptions().participating();
4064        if (this.conversation.getStatus() != Conversation.STATUS_ARCHIVED
4065                && participating
4066                && this.conversation.setNextMessage(msg) && activity != null) {
4067            activity.xmppConnectionService.updateConversation(this.conversation);
4068            return true;
4069        }
4070        return false;
4071    }
4072
4073    public void doneSendingPgpMessage() {
4074        mSendingPgpMessage.set(false);
4075    }
4076
4077    public long getMaxHttpUploadSize(Conversation conversation) {
4078        final XmppConnection connection = conversation.getAccount().getXmppConnection();
4079        return connection == null ? -1 : connection.getFeatures().getMaxHttpUploadSize();
4080    }
4081
4082    private boolean canWrite() {
4083        return
4084                this.conversation.getMode() == Conversation.MODE_SINGLE
4085                        || this.conversation.getMucOptions().participating()
4086                        || this.conversation.getNextCounterpart() != null;
4087    }
4088
4089    private void updateEditablity() {
4090        boolean canWrite = canWrite();
4091        this.binding.textinput.setFocusable(canWrite);
4092        this.binding.textinput.setFocusableInTouchMode(canWrite);
4093        this.binding.textSendButton.setEnabled(canWrite);
4094        this.binding.textSendButton.setVisibility(canWrite ? View.VISIBLE : View.GONE);
4095        this.binding.requestVoice.setVisibility(canWrite ? View.GONE : View.VISIBLE);
4096        this.binding.textinput.setCursorVisible(canWrite);
4097        this.binding.textinput.setEnabled(canWrite);
4098    }
4099
4100    public void updateSendButton() {
4101        boolean hasAttachments =
4102                mediaPreviewAdapter != null && mediaPreviewAdapter.hasAttachments();
4103        final Conversation c = this.conversation;
4104        final Presence.Status status;
4105        final String text =
4106                this.binding.textinput == null ? "" : this.binding.textinput.getText().toString();
4107        final SendButtonAction action;
4108        if (hasAttachments) {
4109            action = SendButtonAction.TEXT;
4110        } else {
4111            action = SendButtonTool.getAction(getActivity(), c, text, binding.textinputSubject.getText().toString());
4112        }
4113        if (c.getAccount().getStatus() == Account.State.ONLINE) {
4114            if (activity != null
4115                    && activity.xmppConnectionService != null
4116                    && activity.xmppConnectionService.getMessageArchiveService().isCatchingUp(c)) {
4117                status = Presence.Status.OFFLINE;
4118            } else if (c.getMode() == Conversation.MODE_SINGLE) {
4119                status = c.getContact().getShownStatus();
4120            } else {
4121                status =
4122                        c.getMucOptions().online()
4123                                ? Presence.Status.ONLINE
4124                                : Presence.Status.OFFLINE;
4125            }
4126        } else {
4127            status = Presence.Status.OFFLINE;
4128        }
4129        this.binding.textSendButton.setTag(action);
4130        this.binding.textSendButton.setIconTint(ColorStateList.valueOf(SendButtonTool.getSendButtonColor(this.binding.textSendButton, status)));
4131        // TODO send button color
4132        final Activity activity = getActivity();
4133        if (activity != null) {
4134            this.binding.textSendButton.setIconResource(
4135                    SendButtonTool.getSendButtonImageResource(action, text.length() > 0 || hasAttachments || (c.getThread() != null && binding.textinputSubject.getText().length() > 0)));
4136        }
4137
4138        ViewGroup.LayoutParams params = binding.threadIdenticonLayout.getLayoutParams();
4139        if (identiconWidth < 0) identiconWidth = params.width;
4140        if (hasAttachments || binding.textinput.getText().toString().replaceFirst("^(\\w|[, ])+:\\s*", "").length() > 0) {
4141            binding.conversationViewPager.setCurrentItem(0);
4142            params.width = conversation.getThread() == null ? 0 : identiconWidth;
4143        } else {
4144            params.width = identiconWidth;
4145        }
4146        if (!canWrite()) params.width = 0;
4147        binding.threadIdenticonLayout.setLayoutParams(params);
4148    }
4149
4150    protected void updateStatusMessages() {
4151        DateSeparator.addAll(this.messageList);
4152        if (showLoadMoreMessages(conversation)) {
4153            this.messageList.add(0, Message.createLoadMoreMessage(conversation));
4154        }
4155        if (conversation.getMode() == Conversation.MODE_SINGLE) {
4156            ChatState state = conversation.getIncomingChatState();
4157            if (state == ChatState.COMPOSING) {
4158                this.messageList.add(
4159                        Message.createStatusMessage(
4160                                conversation,
4161                                getString(R.string.contact_is_typing, conversation.getName())));
4162            } else if (state == ChatState.PAUSED) {
4163                this.messageList.add(
4164                        Message.createStatusMessage(
4165                                conversation,
4166                                getString(
4167                                        R.string.contact_has_stopped_typing,
4168                                        conversation.getName())));
4169            } else {
4170                for (int i = this.messageList.size() - 1; i >= 0; --i) {
4171                    final Message message = this.messageList.get(i);
4172                    if (message.getType() != Message.TYPE_STATUS) {
4173                        if (message.getStatus() == Message.STATUS_RECEIVED) {
4174                            return;
4175                        } else {
4176                            if (message.getStatus() == Message.STATUS_SEND_DISPLAYED) {
4177                                this.messageList.add(
4178                                        i + 1,
4179                                        Message.createStatusMessage(
4180                                                conversation,
4181                                                getString(
4182                                                        R.string.contact_has_read_up_to_this_point,
4183                                                        conversation.getName())));
4184                                return;
4185                            }
4186                        }
4187                    }
4188                }
4189            }
4190        } else {
4191            final MucOptions mucOptions = conversation.getMucOptions();
4192            final List<MucOptions.User> allUsers = mucOptions.getUsers();
4193            final Set<ReadByMarker> addedMarkers = new HashSet<>();
4194            ChatState state = ChatState.COMPOSING;
4195            List<MucOptions.User> users =
4196                    conversation.getMucOptions().getUsersWithChatState(state, 5);
4197            if (users.size() == 0) {
4198                state = ChatState.PAUSED;
4199                users = conversation.getMucOptions().getUsersWithChatState(state, 5);
4200            }
4201            if (mucOptions.isPrivateAndNonAnonymous()) {
4202                for (int i = this.messageList.size() - 1; i >= 0; --i) {
4203                    final Set<ReadByMarker> markersForMessage =
4204                            messageList.get(i).getReadByMarkers();
4205                    final List<MucOptions.User> shownMarkers = new ArrayList<>();
4206                    for (ReadByMarker marker : markersForMessage) {
4207                        if (!ReadByMarker.contains(marker, addedMarkers)) {
4208                            addedMarkers.add(
4209                                    marker); // may be put outside this condition. set should do
4210                            // dedup anyway
4211                            MucOptions.User user = mucOptions.findUser(marker);
4212                            if (user != null && !users.contains(user)) {
4213                                shownMarkers.add(user);
4214                            }
4215                        }
4216                    }
4217                    final ReadByMarker markerForSender = ReadByMarker.from(messageList.get(i));
4218                    final Message statusMessage;
4219                    final int size = shownMarkers.size();
4220                    if (size > 1) {
4221                        final String body;
4222                        if (size <= 4) {
4223                            body =
4224                                    getString(
4225                                            R.string.contacts_have_read_up_to_this_point,
4226                                            UIHelper.concatNames(shownMarkers));
4227                        } else if (ReadByMarker.allUsersRepresented(
4228                                allUsers, markersForMessage, markerForSender)) {
4229                            body = getString(R.string.everyone_has_read_up_to_this_point);
4230                        } else {
4231                            body =
4232                                    getString(
4233                                            R.string.contacts_and_n_more_have_read_up_to_this_point,
4234                                            UIHelper.concatNames(shownMarkers, 3),
4235                                            size - 3);
4236                        }
4237                        statusMessage = Message.createStatusMessage(conversation, body);
4238                        statusMessage.setCounterparts(shownMarkers);
4239                    } else if (size == 1) {
4240                        statusMessage =
4241                                Message.createStatusMessage(
4242                                        conversation,
4243                                        getString(
4244                                                R.string.contact_has_read_up_to_this_point,
4245                                                UIHelper.getDisplayName(shownMarkers.get(0))));
4246                        statusMessage.setCounterpart(shownMarkers.get(0).getFullJid());
4247                        statusMessage.setTrueCounterpart(shownMarkers.get(0).getRealJid());
4248                    } else {
4249                        statusMessage = null;
4250                    }
4251                    if (statusMessage != null) {
4252                        this.messageList.add(i + 1, statusMessage);
4253                    }
4254                    addedMarkers.add(markerForSender);
4255                    if (ReadByMarker.allUsersRepresented(allUsers, addedMarkers)) {
4256                        break;
4257                    }
4258                }
4259            }
4260            if (users.size() > 0) {
4261                Message statusMessage;
4262                if (users.size() == 1) {
4263                    MucOptions.User user = users.get(0);
4264                    int id =
4265                            state == ChatState.COMPOSING
4266                                    ? R.string.contact_is_typing
4267                                    : R.string.contact_has_stopped_typing;
4268                    statusMessage =
4269                            Message.createStatusMessage(
4270                                    conversation, getString(id, UIHelper.getDisplayName(user)));
4271                    statusMessage.setTrueCounterpart(user.getRealJid());
4272                    statusMessage.setCounterpart(user.getFullJid());
4273                } else {
4274                    int id =
4275                            state == ChatState.COMPOSING
4276                                    ? R.string.contacts_are_typing
4277                                    : R.string.contacts_have_stopped_typing;
4278                    statusMessage =
4279                            Message.createStatusMessage(
4280                                    conversation, getString(id, UIHelper.concatNames(users)));
4281                    statusMessage.setCounterparts(users);
4282                }
4283                this.messageList.add(statusMessage);
4284            }
4285        }
4286    }
4287
4288    private void stopScrolling() {
4289        long now = SystemClock.uptimeMillis();
4290        MotionEvent cancel = MotionEvent.obtain(now, now, MotionEvent.ACTION_CANCEL, 0, 0, 0);
4291        binding.messagesView.dispatchTouchEvent(cancel);
4292    }
4293
4294    private boolean showLoadMoreMessages(final Conversation c) {
4295        if (activity == null || activity.xmppConnectionService == null) {
4296            return false;
4297        }
4298        final boolean mam = hasMamSupport(c) && !c.getContact().isBlocked();
4299        final MessageArchiveService service =
4300                activity.xmppConnectionService.getMessageArchiveService();
4301        return mam
4302                && (c.getLastClearHistory().getTimestamp() != 0
4303                        || (c.countMessages() == 0
4304                                && c.messagesLoaded.get()
4305                                && c.hasMessagesLeftOnServer()
4306                                && !service.queryInProgress(c)));
4307    }
4308
4309    private boolean hasMamSupport(final Conversation c) {
4310        if (c.getMode() == Conversation.MODE_SINGLE) {
4311            final XmppConnection connection = c.getAccount().getXmppConnection();
4312            return connection != null && connection.getFeatures().mam();
4313        } else {
4314            return c.getMucOptions().mamSupport();
4315        }
4316    }
4317
4318    protected void showSnackbar(
4319            final int message, final int action, final OnClickListener clickListener) {
4320        showSnackbar(message, action, clickListener, null);
4321    }
4322
4323    protected void showSnackbar(
4324            final int message,
4325            final int action,
4326            final OnClickListener clickListener,
4327            final View.OnLongClickListener longClickListener) {
4328        this.binding.snackbar.setVisibility(View.VISIBLE);
4329        this.binding.snackbar.setOnClickListener(null);
4330        this.binding.snackbarMessage.setText(message);
4331        this.binding.snackbarMessage.setOnClickListener(null);
4332        this.binding.snackbarAction.setVisibility(clickListener == null ? View.GONE : View.VISIBLE);
4333        if (action != 0) {
4334            this.binding.snackbarAction.setText(action);
4335        }
4336        this.binding.snackbarAction.setOnClickListener(clickListener);
4337        this.binding.snackbarAction.setOnLongClickListener(longClickListener);
4338    }
4339
4340    protected void hideSnackbar() {
4341        this.binding.snackbar.setVisibility(View.GONE);
4342    }
4343
4344    protected void sendMessage(Message message) {
4345        new Thread(() -> activity.xmppConnectionService.sendMessage(message)).start();
4346        messageSent();
4347    }
4348
4349    protected void sendPgpMessage(final Message message) {
4350        final XmppConnectionService xmppService = activity.xmppConnectionService;
4351        final Contact contact = message.getConversation().getContact();
4352        if (!activity.hasPgp()) {
4353            activity.showInstallPgpDialog();
4354            return;
4355        }
4356        if (conversation.getAccount().getPgpSignature() == null) {
4357            activity.announcePgp(
4358                    conversation.getAccount(), conversation, null, activity.onOpenPGPKeyPublished);
4359            return;
4360        }
4361        if (!mSendingPgpMessage.compareAndSet(false, true)) {
4362            Log.d(Config.LOGTAG, "sending pgp message already in progress");
4363        }
4364        if (conversation.getMode() == Conversation.MODE_SINGLE) {
4365            if (contact.getPgpKeyId() != 0) {
4366                xmppService
4367                        .getPgpEngine()
4368                        .hasKey(
4369                                contact,
4370                                new UiCallback<Contact>() {
4371
4372                                    @Override
4373                                    public void userInputRequired(
4374                                            PendingIntent pi, Contact contact) {
4375                                        startPendingIntent(pi, REQUEST_ENCRYPT_MESSAGE);
4376                                    }
4377
4378                                    @Override
4379                                    public void success(Contact contact) {
4380                                        encryptTextMessage(message);
4381                                    }
4382
4383                                    @Override
4384                                    public void error(int error, Contact contact) {
4385                                        activity.runOnUiThread(
4386                                                () ->
4387                                                        Toast.makeText(
4388                                                                        activity,
4389                                                                        R.string
4390                                                                                .unable_to_connect_to_keychain,
4391                                                                        Toast.LENGTH_SHORT)
4392                                                                .show());
4393                                        mSendingPgpMessage.set(false);
4394                                    }
4395                                });
4396
4397            } else {
4398                showNoPGPKeyDialog(
4399                        false,
4400                        (dialog, which) -> {
4401                            conversation.setNextEncryption(Message.ENCRYPTION_NONE);
4402                            xmppService.updateConversation(conversation);
4403                            message.setEncryption(Message.ENCRYPTION_NONE);
4404                            xmppService.sendMessage(message);
4405                            messageSent();
4406                        });
4407            }
4408        } else {
4409            if (conversation.getMucOptions().pgpKeysInUse()) {
4410                if (!conversation.getMucOptions().everybodyHasKeys()) {
4411                    Toast warning =
4412                            Toast.makeText(
4413                                    getActivity(), R.string.missing_public_keys, Toast.LENGTH_LONG);
4414                    warning.setGravity(Gravity.CENTER_VERTICAL, 0, 0);
4415                    warning.show();
4416                }
4417                encryptTextMessage(message);
4418            } else {
4419                showNoPGPKeyDialog(
4420                        true,
4421                        (dialog, which) -> {
4422                            conversation.setNextEncryption(Message.ENCRYPTION_NONE);
4423                            message.setEncryption(Message.ENCRYPTION_NONE);
4424                            xmppService.updateConversation(conversation);
4425                            xmppService.sendMessage(message);
4426                            messageSent();
4427                        });
4428            }
4429        }
4430    }
4431
4432    public void encryptTextMessage(Message message) {
4433        activity.xmppConnectionService
4434                .getPgpEngine()
4435                .encrypt(
4436                        message,
4437                        new UiCallback<Message>() {
4438
4439                            @Override
4440                            public void userInputRequired(PendingIntent pi, Message message) {
4441                                startPendingIntent(pi, REQUEST_SEND_MESSAGE);
4442                            }
4443
4444                            @Override
4445                            public void success(Message message) {
4446                                // TODO the following two call can be made before the callback
4447                                getActivity().runOnUiThread(() -> messageSent());
4448                            }
4449
4450                            @Override
4451                            public void error(final int error, Message message) {
4452                                getActivity()
4453                                        .runOnUiThread(
4454                                                () -> {
4455                                                    doneSendingPgpMessage();
4456                                                    Toast.makeText(
4457                                                                    getActivity(),
4458                                                                    error == 0
4459                                                                            ? R.string
4460                                                                                    .unable_to_connect_to_keychain
4461                                                                            : error,
4462                                                                    Toast.LENGTH_SHORT)
4463                                                            .show();
4464                                                });
4465                            }
4466                        });
4467    }
4468
4469    public void showNoPGPKeyDialog(
4470            final boolean plural, final DialogInterface.OnClickListener listener) {
4471        final MaterialAlertDialogBuilder builder =
4472                new MaterialAlertDialogBuilder(requireActivity());
4473        if (plural) {
4474            builder.setTitle(getString(R.string.no_pgp_keys));
4475            builder.setMessage(getText(R.string.contacts_have_no_pgp_keys));
4476        } else {
4477            builder.setTitle(getString(R.string.no_pgp_key));
4478            builder.setMessage(getText(R.string.contact_has_no_pgp_key));
4479        }
4480        builder.setNegativeButton(getString(R.string.cancel), null);
4481        builder.setPositiveButton(getString(R.string.send_unencrypted), listener);
4482        builder.create().show();
4483    }
4484
4485    public void appendText(String text, final boolean doNotAppend) {
4486        if (text == null) {
4487            return;
4488        }
4489        final Editable editable = this.binding.textinput.getText();
4490        String previous = editable == null ? "" : editable.toString();
4491        if (doNotAppend && !TextUtils.isEmpty(previous)) {
4492            Toast.makeText(getActivity(), R.string.already_drafting_message, Toast.LENGTH_LONG)
4493                    .show();
4494            return;
4495        }
4496        if (UIHelper.isLastLineQuote(previous)) {
4497            text = '\n' + text;
4498        } else if (previous.length() != 0
4499                && !Character.isWhitespace(previous.charAt(previous.length() - 1))) {
4500            text = " " + text;
4501        }
4502        this.binding.textinput.append(text);
4503    }
4504
4505    @Override
4506    public boolean onEnterPressed(final boolean isCtrlPressed) {
4507        if (isCtrlPressed || enterIsSend()) {
4508            sendMessage();
4509            return true;
4510        }
4511        return false;
4512    }
4513
4514    private boolean enterIsSend() {
4515        final SharedPreferences p = PreferenceManager.getDefaultSharedPreferences(getActivity());
4516        return p.getBoolean("enter_is_send", getResources().getBoolean(R.bool.enter_is_send));
4517    }
4518
4519    public boolean onArrowUpCtrlPressed() {
4520        final Message lastEditableMessage =
4521                conversation == null ? null : conversation.getLastEditableMessage();
4522        if (lastEditableMessage != null) {
4523            correctMessage(lastEditableMessage);
4524            return true;
4525        } else {
4526            Toast.makeText(getActivity(), R.string.could_not_correct_message, Toast.LENGTH_LONG)
4527                    .show();
4528            return false;
4529        }
4530    }
4531
4532    @Override
4533    public void onTypingStarted() {
4534        final XmppConnectionService service =
4535                activity == null ? null : activity.xmppConnectionService;
4536        if (service == null) {
4537            return;
4538        }
4539        final Account.State status = conversation.getAccount().getStatus();
4540        if (status == Account.State.ONLINE
4541                && conversation.setOutgoingChatState(ChatState.COMPOSING)) {
4542            service.sendChatState(conversation);
4543        }
4544        runOnUiThread(this::updateSendButton);
4545    }
4546
4547    @Override
4548    public void onTypingStopped() {
4549        final XmppConnectionService service =
4550                activity == null ? null : activity.xmppConnectionService;
4551        if (service == null) {
4552            return;
4553        }
4554        final Account.State status = conversation.getAccount().getStatus();
4555        if (status == Account.State.ONLINE && conversation.setOutgoingChatState(ChatState.PAUSED)) {
4556            service.sendChatState(conversation);
4557        }
4558    }
4559
4560    @Override
4561    public void onTextDeleted() {
4562        final XmppConnectionService service =
4563                activity == null ? null : activity.xmppConnectionService;
4564        if (service == null) {
4565            return;
4566        }
4567        final Account.State status = conversation.getAccount().getStatus();
4568        if (status == Account.State.ONLINE
4569                && conversation.setOutgoingChatState(Config.DEFAULT_CHAT_STATE)) {
4570            service.sendChatState(conversation);
4571        }
4572        if (storeNextMessage()) {
4573            runOnUiThread(
4574                    () -> {
4575                        if (activity == null) {
4576                            return;
4577                        }
4578                        activity.onConversationsListItemUpdated();
4579                    });
4580        }
4581        runOnUiThread(this::updateSendButton);
4582    }
4583
4584    @Override
4585    public void onTextChanged() {
4586        if (conversation != null && conversation.getCorrectingMessage() != null) {
4587            runOnUiThread(this::updateSendButton);
4588        }
4589    }
4590
4591    @Override
4592    public boolean onTabPressed(boolean repeated) {
4593        if (conversation == null || conversation.getMode() == Conversation.MODE_SINGLE) {
4594            return false;
4595        }
4596        if (repeated) {
4597            completionIndex++;
4598        } else {
4599            lastCompletionLength = 0;
4600            completionIndex = 0;
4601            final String content = this.binding.textinput.getText().toString();
4602            lastCompletionCursor = this.binding.textinput.getSelectionEnd();
4603            int start =
4604                    lastCompletionCursor > 0
4605                            ? content.lastIndexOf(" ", lastCompletionCursor - 1) + 1
4606                            : 0;
4607            firstWord = start == 0;
4608            incomplete = content.substring(start, lastCompletionCursor);
4609        }
4610        List<String> completions = new ArrayList<>();
4611        for (MucOptions.User user : conversation.getMucOptions().getUsers()) {
4612            String name = user.getNick();
4613            if (name != null && name.startsWith(incomplete)) {
4614                completions.add(name + (firstWord ? ": " : " "));
4615            }
4616        }
4617        Collections.sort(completions);
4618        if (completions.size() > completionIndex) {
4619            String completion = completions.get(completionIndex).substring(incomplete.length());
4620            this.binding
4621                    .textinput
4622                    .getEditableText()
4623                    .delete(lastCompletionCursor, lastCompletionCursor + lastCompletionLength);
4624            this.binding.textinput.getEditableText().insert(lastCompletionCursor, completion);
4625            lastCompletionLength = completion.length();
4626        } else {
4627            completionIndex = -1;
4628            this.binding
4629                    .textinput
4630                    .getEditableText()
4631                    .delete(lastCompletionCursor, lastCompletionCursor + lastCompletionLength);
4632            lastCompletionLength = 0;
4633        }
4634        return true;
4635    }
4636
4637    private void startPendingIntent(PendingIntent pendingIntent, int requestCode) {
4638        try {
4639            getActivity()
4640                    .startIntentSenderForResult(
4641                            pendingIntent.getIntentSender(),
4642                            requestCode,
4643                            null,
4644                            0,
4645                            0,
4646                            0,
4647                            Compatibility.pgpStartIntentSenderOptions());
4648        } catch (final SendIntentException ignored) {
4649        }
4650    }
4651
4652    @Override
4653    public void onBackendConnected() {
4654        Log.d(Config.LOGTAG, "ConversationFragment.onBackendConnected()");
4655        setupEmojiSearch();
4656        String uuid = pendingConversationsUuid.pop();
4657        if (uuid != null) {
4658            if (!findAndReInitByUuidOrArchive(uuid)) {
4659                return;
4660            }
4661        } else {
4662            if (!activity.xmppConnectionService.isConversationStillOpen(conversation)) {
4663                clearPending();
4664                activity.onConversationArchived(conversation);
4665                return;
4666            }
4667        }
4668        ActivityResult activityResult = postponedActivityResult.pop();
4669        if (activityResult != null) {
4670            handleActivityResult(activityResult);
4671        }
4672        clearPending();
4673    }
4674
4675    private boolean findAndReInitByUuidOrArchive(@NonNull final String uuid) {
4676        Conversation conversation = activity.xmppConnectionService.findConversationByUuid(uuid);
4677        if (conversation == null) {
4678            clearPending();
4679            activity.onConversationArchived(null);
4680            return false;
4681        }
4682        reInit(conversation);
4683        ScrollState scrollState = pendingScrollState.pop();
4684        String lastMessageUuid = pendingLastMessageUuid.pop();
4685        List<Attachment> attachments = pendingMediaPreviews.pop();
4686        if (scrollState != null) {
4687            setScrollPosition(scrollState, lastMessageUuid);
4688        }
4689        if (attachments != null && attachments.size() > 0) {
4690            Log.d(Config.LOGTAG, "had attachments on restore");
4691            mediaPreviewAdapter.addMediaPreviews(attachments);
4692            toggleInputMethod();
4693        }
4694        return true;
4695    }
4696
4697    private void clearPending() {
4698        if (postponedActivityResult.clear()) {
4699            Log.e(Config.LOGTAG, "cleared pending intent with unhandled result left");
4700            if (pendingTakePhotoUri.clear()) {
4701                Log.e(Config.LOGTAG, "cleared pending photo uri");
4702            }
4703        }
4704        if (pendingScrollState.clear()) {
4705            Log.e(Config.LOGTAG, "cleared scroll state");
4706        }
4707        if (pendingConversationsUuid.clear()) {
4708            Log.e(Config.LOGTAG, "cleared pending conversations uuid");
4709        }
4710        if (pendingMediaPreviews.clear()) {
4711            Log.e(Config.LOGTAG, "cleared pending media previews");
4712        }
4713    }
4714
4715    public Conversation getConversation() {
4716        return conversation;
4717    }
4718
4719    @Override
4720    public void onContactPictureLongClicked(View v, final Message message) {
4721        final String fingerprint;
4722        if (message.getEncryption() == Message.ENCRYPTION_PGP
4723                || message.getEncryption() == Message.ENCRYPTION_DECRYPTED) {
4724            fingerprint = "pgp";
4725        } else {
4726            fingerprint = message.getFingerprint();
4727        }
4728        final PopupMenu popupMenu = new PopupMenu(getActivity(), v);
4729        final Contact contact = message.getContact();
4730        if (message.getStatus() <= Message.STATUS_RECEIVED
4731                && (contact == null || !contact.isSelf())) {
4732            if (message.getConversation().getMode() == Conversation.MODE_MULTI) {
4733                final Jid cp = message.getCounterpart();
4734                if (cp == null || cp.isBareJid()) {
4735                    return;
4736                }
4737                final Jid tcp = message.getTrueCounterpart();
4738                final String occupantId = message.getOccupantId();
4739                final User userByRealJid =
4740                        tcp != null
4741                                ? conversation.getMucOptions().findOrCreateUserByRealJid(tcp, cp, occupantId)
4742                                : null;
4743                final User userByOccupantId =
4744                        occupantId != null
4745                                ? conversation.getMucOptions().findUserByOccupantId(occupantId, cp)
4746                                : null;
4747                final User user =
4748                        userByRealJid != null
4749                                ? userByRealJid
4750                                : (userByOccupantId != null ? userByOccupantId : conversation.getMucOptions().findUserByFullJid(cp));
4751                if (user == null) return;
4752                popupMenu.inflate(R.menu.muc_details_context);
4753                final Menu menu = popupMenu.getMenu();
4754                MucDetailsContextMenuHelper.configureMucDetailsContextMenu(
4755                        activity, menu, conversation, user);
4756                popupMenu.setOnMenuItemClickListener(
4757                        menuItem ->
4758                                MucDetailsContextMenuHelper.onContextItemSelected(
4759                                        menuItem, user, activity, fingerprint));
4760            } else {
4761                popupMenu.inflate(R.menu.one_on_one_context);
4762                popupMenu.setOnMenuItemClickListener(
4763                        item -> {
4764                            switch (item.getItemId()) {
4765                                case R.id.action_contact_details:
4766                                    activity.switchToContactDetails(
4767                                            message.getContact(), fingerprint);
4768                                    break;
4769                                case R.id.action_show_qr_code:
4770                                    activity.showQrCode(
4771                                            "xmpp:"
4772                                                    + message.getContact()
4773                                                            .getJid()
4774                                                            .asBareJid()
4775                                                            .toString());
4776                                    break;
4777                            }
4778                            return true;
4779                        });
4780            }
4781        } else {
4782            popupMenu.inflate(R.menu.account_context);
4783            final Menu menu = popupMenu.getMenu();
4784            menu.findItem(R.id.action_manage_accounts)
4785                    .setVisible(QuickConversationsService.isConversations());
4786            popupMenu.setOnMenuItemClickListener(
4787                    item -> {
4788                        final XmppActivity activity = this.activity;
4789                        if (activity == null) {
4790                            Log.e(Config.LOGTAG, "Unable to perform action. no context provided");
4791                            return true;
4792                        }
4793                        switch (item.getItemId()) {
4794                            case R.id.action_show_qr_code:
4795                                activity.showQrCode(conversation.getAccount().getShareableUri());
4796                                break;
4797                            case R.id.action_account_details:
4798                                activity.switchToAccount(
4799                                        message.getConversation().getAccount(), fingerprint);
4800                                break;
4801                            case R.id.action_manage_accounts:
4802                                AccountUtils.launchManageAccounts(activity);
4803                                break;
4804                        }
4805                        return true;
4806                    });
4807        }
4808        popupMenu.show();
4809    }
4810
4811    @Override
4812    public void onContactPictureClicked(Message message) {
4813        setThread(message.getThread());
4814        if (message.isPrivateMessage()) {
4815            privateMessageWith(message.getCounterpart());
4816            return;
4817        }
4818        forkNullThread(message);
4819        conversation.setUserSelectedThread(true);
4820
4821        final boolean received = message.getStatus() <= Message.STATUS_RECEIVED;
4822        if (received) {
4823            if (message.getConversation() instanceof Conversation
4824                    && message.getConversation().getMode() == Conversation.MODE_MULTI) {
4825                Jid tcp = message.getTrueCounterpart();
4826                Jid user = message.getCounterpart();
4827                if (user != null && !user.isBareJid()) {
4828                    final MucOptions mucOptions =
4829                            ((Conversation) message.getConversation()).getMucOptions();
4830                    if (mucOptions.participating()
4831                            || ((Conversation) message.getConversation()).getNextCounterpart()
4832                                    != null) {
4833                        MucOptions.User mucUser = mucOptions.findUserByFullJid(user);
4834                        MucOptions.User tcpMucUser = mucOptions.findUserByRealJid(tcp == null ? null : tcp.asBareJid());
4835                        if (mucUser == null && tcpMucUser == null) {
4836                            Toast.makeText(
4837                                            getActivity(),
4838                                            activity.getString(
4839                                                    R.string.user_has_left_conference,
4840                                                    user.getResource()),
4841                                            Toast.LENGTH_SHORT)
4842                                    .show();
4843                        }
4844                        highlightInConference(mucUser == null || mucUser.getNick() == null ? (tcpMucUser == null || tcpMucUser.getNick() == null ? user.getResource() : tcpMucUser.getNick()) : mucUser.getNick());
4845                    } else {
4846                        Toast.makeText(
4847                                        getActivity(),
4848                                        R.string.you_are_not_participating,
4849                                        Toast.LENGTH_SHORT)
4850                                .show();
4851                    }
4852                }
4853            }
4854        }
4855    }
4856
4857    private Activity requireActivity() {
4858        Activity activity = getActivity();
4859        if (activity == null) activity = this.activity;
4860        if (activity == null) {
4861            throw new IllegalStateException("Activity not attached");
4862        }
4863        return activity;
4864    }
4865}