ConversationFragment.java

   1package eu.siacs.conversations.ui;
   2
   3import static eu.siacs.conversations.ui.XmppActivity.EXTRA_ACCOUNT;
   4import static eu.siacs.conversations.ui.XmppActivity.REQUEST_INVITE_TO_CONVERSATION;
   5import static eu.siacs.conversations.ui.util.SoftKeyboardUtils.hideSoftKeyboard;
   6import static eu.siacs.conversations.utils.PermissionUtils.allGranted;
   7import static eu.siacs.conversations.utils.PermissionUtils.audioGranted;
   8import static eu.siacs.conversations.utils.PermissionUtils.cameraGranted;
   9import static eu.siacs.conversations.utils.PermissionUtils.getFirstDenied;
  10import static eu.siacs.conversations.utils.PermissionUtils.writeGranted;
  11
  12import android.Manifest;
  13import android.annotation.SuppressLint;
  14import android.app.Activity;
  15import android.app.DatePickerDialog;
  16import android.app.Fragment;
  17import android.app.FragmentManager;
  18import android.app.PendingIntent;
  19import android.app.TimePickerDialog;
  20import android.content.ActivityNotFoundException;
  21import android.content.Context;
  22import android.content.DialogInterface;
  23import android.content.Intent;
  24import android.content.IntentSender.SendIntentException;
  25import android.content.SharedPreferences;
  26import android.content.pm.PackageManager;
  27import android.content.res.ColorStateList;
  28import android.graphics.Color;
  29import android.icu.util.Calendar;
  30import android.icu.util.TimeZone;
  31import android.net.Uri;
  32import android.os.Build;
  33import android.os.Bundle;
  34import android.os.Environment;
  35import android.os.Handler;
  36import android.os.Looper;
  37import android.os.storage.StorageManager;
  38import android.os.SystemClock;
  39import android.preference.PreferenceManager;
  40import android.provider.MediaStore;
  41import android.text.Editable;
  42import android.text.SpannableStringBuilder;
  43import android.text.TextUtils;
  44import android.text.TextWatcher;
  45import android.text.style.ImageSpan;
  46import android.util.DisplayMetrics;
  47import android.util.Log;
  48import android.view.ContextMenu;
  49import android.view.ContextMenu.ContextMenuInfo;
  50import android.view.Gravity;
  51import android.view.LayoutInflater;
  52import android.view.Menu;
  53import android.view.MenuInflater;
  54import android.view.MenuItem;
  55import android.view.MotionEvent;
  56import android.view.View;
  57import android.view.View.OnClickListener;
  58import android.view.ViewGroup;
  59import android.view.inputmethod.EditorInfo;
  60import android.view.inputmethod.InputMethodManager;
  61import android.view.WindowManager;
  62import android.widget.AbsListView;
  63import android.widget.AbsListView.OnScrollListener;
  64import android.widget.AdapterView;
  65import android.widget.AdapterView.AdapterContextMenuInfo;
  66import android.widget.CheckBox;
  67import android.widget.ListView;
  68import android.widget.PopupMenu;
  69import android.widget.PopupWindow;
  70import android.widget.TextView.OnEditorActionListener;
  71import android.widget.Toast;
  72
  73import androidx.activity.OnBackPressedCallback;
  74import androidx.annotation.IdRes;
  75import androidx.annotation.NonNull;
  76import androidx.annotation.Nullable;
  77import androidx.annotation.StringRes;
  78import androidx.appcompat.app.AlertDialog;
  79import androidx.core.content.pm.ShortcutInfoCompat;
  80import androidx.core.content.pm.ShortcutManagerCompat;
  81import androidx.core.graphics.ColorUtils;
  82import androidx.core.view.inputmethod.InputConnectionCompat;
  83import androidx.core.view.inputmethod.InputContentInfoCompat;
  84import androidx.databinding.DataBindingUtil;
  85import androidx.documentfile.provider.DocumentFile;
  86import androidx.recyclerview.widget.RecyclerView.Adapter;
  87import androidx.viewpager.widget.PagerAdapter;
  88import androidx.viewpager.widget.ViewPager;
  89
  90import com.cheogram.android.BobTransfer;
  91import com.cheogram.android.EmojiSearch;
  92import com.cheogram.android.WebxdcPage;
  93import com.cheogram.android.WebxdcStore;
  94
  95import com.google.android.material.color.MaterialColors;
  96import com.google.android.material.dialog.MaterialAlertDialogBuilder;
  97import com.google.common.base.Optional;
  98import com.google.common.collect.Collections2;
  99import com.google.common.collect.ImmutableList;
 100import com.google.common.collect.ImmutableSet;
 101import com.google.common.collect.Lists;
 102import com.google.common.collect.Ordering;
 103
 104import com.otaliastudios.autocomplete.Autocomplete;
 105import com.otaliastudios.autocomplete.AutocompleteCallback;
 106import com.otaliastudios.autocomplete.AutocompletePresenter;
 107import com.otaliastudios.autocomplete.CharPolicy;
 108import com.otaliastudios.autocomplete.RecyclerViewPresenter;
 109
 110import org.jetbrains.annotations.NotNull;
 111
 112import io.ipfs.cid.Cid;
 113
 114import java.io.File;
 115import java.net.URISyntaxException;
 116import java.util.AbstractMap;
 117import java.util.ArrayList;
 118import java.util.Arrays;
 119import java.util.Collection;
 120import java.util.Collections;
 121import java.util.HashSet;
 122import java.util.Iterator;
 123import java.util.List;
 124import java.util.Locale;
 125import java.util.Map;
 126import java.util.Set;
 127import java.util.UUID;
 128import java.util.concurrent.atomic.AtomicBoolean;
 129import java.util.regex.Matcher;
 130import java.util.regex.Pattern;
 131import java.util.stream.Collectors;
 132
 133import eu.siacs.conversations.Config;
 134import eu.siacs.conversations.R;
 135import eu.siacs.conversations.crypto.axolotl.AxolotlService;
 136import eu.siacs.conversations.crypto.axolotl.FingerprintStatus;
 137import eu.siacs.conversations.databinding.FragmentConversationBinding;
 138import eu.siacs.conversations.entities.Account;
 139import eu.siacs.conversations.entities.Blockable;
 140import eu.siacs.conversations.entities.Contact;
 141import eu.siacs.conversations.entities.Conversation;
 142import eu.siacs.conversations.entities.Conversational;
 143import eu.siacs.conversations.entities.DownloadableFile;
 144import eu.siacs.conversations.entities.Message;
 145import eu.siacs.conversations.entities.MucOptions;
 146import eu.siacs.conversations.entities.MucOptions.User;
 147import eu.siacs.conversations.entities.Presence;
 148import eu.siacs.conversations.entities.Presences;
 149import eu.siacs.conversations.entities.ReadByMarker;
 150import eu.siacs.conversations.entities.Transferable;
 151import eu.siacs.conversations.entities.TransferablePlaceholder;
 152import eu.siacs.conversations.http.HttpDownloadConnection;
 153import eu.siacs.conversations.persistance.FileBackend;
 154import eu.siacs.conversations.services.CallIntegrationConnectionService;
 155import eu.siacs.conversations.services.MessageArchiveService;
 156import eu.siacs.conversations.services.QuickConversationsService;
 157import eu.siacs.conversations.services.XmppConnectionService;
 158import eu.siacs.conversations.ui.adapter.CommandAdapter;
 159import eu.siacs.conversations.ui.adapter.MediaPreviewAdapter;
 160import eu.siacs.conversations.ui.adapter.MessageAdapter;
 161import eu.siacs.conversations.ui.adapter.UserAdapter;
 162import eu.siacs.conversations.ui.util.ActivityResult;
 163import eu.siacs.conversations.ui.util.Attachment;
 164import eu.siacs.conversations.ui.util.ConversationMenuConfigurator;
 165import eu.siacs.conversations.ui.util.DateSeparator;
 166import eu.siacs.conversations.ui.util.EditMessageActionModeCallback;
 167import eu.siacs.conversations.ui.util.ListViewUtils;
 168import eu.siacs.conversations.ui.util.MenuDoubleTabUtil;
 169import eu.siacs.conversations.ui.util.MucDetailsContextMenuHelper;
 170import eu.siacs.conversations.ui.util.PendingItem;
 171import eu.siacs.conversations.ui.util.PresenceSelector;
 172import eu.siacs.conversations.ui.util.ScrollState;
 173import eu.siacs.conversations.ui.util.SendButtonAction;
 174import eu.siacs.conversations.ui.util.SendButtonTool;
 175import eu.siacs.conversations.ui.util.ShareUtil;
 176import eu.siacs.conversations.ui.util.ViewUtil;
 177import eu.siacs.conversations.ui.widget.EditMessage;
 178import eu.siacs.conversations.utils.AccountUtils;
 179import eu.siacs.conversations.utils.Compatibility;
 180import eu.siacs.conversations.utils.Emoticons;
 181import eu.siacs.conversations.utils.GeoHelper;
 182import eu.siacs.conversations.utils.MessageUtils;
 183import eu.siacs.conversations.utils.MimeUtils;
 184import eu.siacs.conversations.utils.NickValidityChecker;
 185import eu.siacs.conversations.utils.PermissionUtils;
 186import eu.siacs.conversations.utils.QuickLoader;
 187import eu.siacs.conversations.utils.StylingHelper;
 188import eu.siacs.conversations.utils.TimeFrameUtils;
 189import eu.siacs.conversations.utils.UIHelper;
 190import eu.siacs.conversations.xml.Element;
 191import eu.siacs.conversations.xml.Namespace;
 192import eu.siacs.conversations.xmpp.Jid;
 193import eu.siacs.conversations.xmpp.XmppConnection;
 194import eu.siacs.conversations.xmpp.chatstate.ChatState;
 195import eu.siacs.conversations.xmpp.jingle.AbstractJingleConnection;
 196import eu.siacs.conversations.xmpp.jingle.JingleConnectionManager;
 197import eu.siacs.conversations.xmpp.jingle.JingleFileTransferConnection;
 198import eu.siacs.conversations.xmpp.jingle.Media;
 199import eu.siacs.conversations.xmpp.jingle.OngoingRtpSession;
 200import eu.siacs.conversations.xmpp.jingle.RtpCapability;
 201
 202import im.conversations.android.xmpp.model.stanza.Iq;
 203
 204import org.jetbrains.annotations.NotNull;
 205
 206import java.util.ArrayList;
 207import java.util.Arrays;
 208import java.util.Collection;
 209import java.util.Collections;
 210import java.util.HashSet;
 211import java.util.Iterator;
 212import java.util.List;
 213import java.util.Set;
 214import java.util.UUID;
 215import java.util.concurrent.atomic.AtomicBoolean;
 216import eu.siacs.conversations.xmpp.jingle.RtpEndUserState;
 217
 218public class ConversationFragment extends XmppFragment
 219        implements EditMessage.KeyboardListener,
 220                MessageAdapter.OnContactPictureLongClicked,
 221                MessageAdapter.OnContactPictureClicked,
 222                MessageAdapter.OnInlineImageLongClicked {
 223
 224    public static final int REQUEST_SEND_MESSAGE = 0x0201;
 225    public static final int REQUEST_DECRYPT_PGP = 0x0202;
 226    public static final int REQUEST_ENCRYPT_MESSAGE = 0x0207;
 227    public static final int REQUEST_TRUST_KEYS_TEXT = 0x0208;
 228    public static final int REQUEST_TRUST_KEYS_ATTACHMENTS = 0x0209;
 229    public static final int REQUEST_START_DOWNLOAD = 0x0210;
 230    public static final int REQUEST_ADD_EDITOR_CONTENT = 0x0211;
 231    public static final int REQUEST_COMMIT_ATTACHMENTS = 0x0212;
 232    public static final int REQUEST_START_AUDIO_CALL = 0x213;
 233    public static final int REQUEST_START_VIDEO_CALL = 0x214;
 234    public static final int REQUEST_SAVE_STICKER = 0x215;
 235    public static final int REQUEST_WEBXDC_STORE = 0x216;
 236    public static final int ATTACHMENT_CHOICE_CHOOSE_IMAGE = 0x0301;
 237    public static final int ATTACHMENT_CHOICE_TAKE_PHOTO = 0x0302;
 238    public static final int ATTACHMENT_CHOICE_CHOOSE_FILE = 0x0303;
 239    public static final int ATTACHMENT_CHOICE_RECORD_VOICE = 0x0304;
 240    public static final int ATTACHMENT_CHOICE_LOCATION = 0x0305;
 241    public static final int ATTACHMENT_CHOICE_INVALID = 0x0306;
 242    public static final int ATTACHMENT_CHOICE_RECORD_VIDEO = 0x0307;
 243
 244    public static final String RECENTLY_USED_QUICK_ACTION = "recently_used_quick_action";
 245    public static final String STATE_CONVERSATION_UUID =
 246            ConversationFragment.class.getName() + ".uuid";
 247    public static final String STATE_SCROLL_POSITION =
 248            ConversationFragment.class.getName() + ".scroll_position";
 249    public static final String STATE_PHOTO_URI =
 250            ConversationFragment.class.getName() + ".media_previews";
 251    public static final String STATE_MEDIA_PREVIEWS =
 252            ConversationFragment.class.getName() + ".take_photo_uri";
 253    private static final String STATE_LAST_MESSAGE_UUID = "state_last_message_uuid";
 254
 255    private final List<Message> messageList = new ArrayList<>();
 256    private final PendingItem<ActivityResult> postponedActivityResult = new PendingItem<>();
 257    private final PendingItem<String> pendingConversationsUuid = new PendingItem<>();
 258    private final PendingItem<ArrayList<Attachment>> pendingMediaPreviews = new PendingItem<>();
 259    private final PendingItem<Bundle> pendingExtras = new PendingItem<>();
 260    private final PendingItem<Uri> pendingTakePhotoUri = new PendingItem<>();
 261    private final PendingItem<ScrollState> pendingScrollState = new PendingItem<>();
 262    private final PendingItem<String> pendingLastMessageUuid = new PendingItem<>();
 263    private final PendingItem<Message> pendingMessage = new PendingItem<>();
 264    public Uri mPendingEditorContent = null;
 265    protected MessageAdapter messageListAdapter;
 266    protected CommandAdapter commandAdapter;
 267    private MediaPreviewAdapter mediaPreviewAdapter;
 268    private String lastMessageUuid = null;
 269    private Conversation conversation;
 270    private FragmentConversationBinding binding;
 271    private Toast messageLoaderToast;
 272    private ConversationsActivity activity;
 273    private boolean reInitRequiredOnStart = true;
 274    private int identiconWidth = -1;
 275    private File savingAsSticker = null;
 276    private EmojiSearch emojiSearch = null;
 277    private final OnClickListener clickToMuc =
 278            new OnClickListener() {
 279
 280                @Override
 281                public void onClick(View v) {
 282                    ConferenceDetailsActivity.open(getActivity(), conversation);
 283                }
 284            };
 285    private final OnClickListener leaveMuc =
 286            new OnClickListener() {
 287
 288                @Override
 289                public void onClick(View v) {
 290                    activity.xmppConnectionService.archiveConversation(conversation);
 291                }
 292            };
 293    private final OnClickListener joinMuc =
 294            new OnClickListener() {
 295
 296                @Override
 297                public void onClick(View v) {
 298                    activity.xmppConnectionService.joinMuc(conversation);
 299                }
 300            };
 301
 302    private final OnClickListener acceptJoin =
 303            new OnClickListener() {
 304                @Override
 305                public void onClick(View v) {
 306                    conversation.setAttribute("accept_non_anonymous", true);
 307                    activity.xmppConnectionService.updateConversation(conversation);
 308                    activity.xmppConnectionService.joinMuc(conversation);
 309                }
 310            };
 311
 312    private final OnClickListener enterPassword =
 313            new OnClickListener() {
 314
 315                @Override
 316                public void onClick(View v) {
 317                    MucOptions muc = conversation.getMucOptions();
 318                    String password = muc.getPassword();
 319                    if (password == null) {
 320                        password = "";
 321                    }
 322                    activity.quickPasswordEdit(
 323                            password,
 324                            value -> {
 325                                activity.xmppConnectionService.providePasswordForMuc(
 326                                        conversation, value);
 327                                return null;
 328                            });
 329                }
 330            };
 331    private final OnScrollListener mOnScrollListener =
 332            new OnScrollListener() {
 333
 334                @Override
 335                public void onScrollStateChanged(AbsListView view, int scrollState) {
 336                    if (AbsListView.OnScrollListener.SCROLL_STATE_IDLE == scrollState) {
 337                        updateThreadFromLastMessage();
 338                        fireReadEvent();
 339                    }
 340                }
 341
 342                @Override
 343                public void onScroll(
 344                        final AbsListView view,
 345                        int firstVisibleItem,
 346                        int visibleItemCount,
 347                        int totalItemCount) {
 348                    toggleScrollDownButton(view);
 349                    synchronized (ConversationFragment.this.messageList) {
 350                        if (firstVisibleItem < 5
 351                                && conversation != null
 352                                && conversation.messagesLoaded.compareAndSet(true, false)
 353                                && messageList.size() > 0) {
 354                            long timestamp = conversation.loadMoreTimestamp();
 355                            activity.xmppConnectionService.loadMoreMessages(
 356                                    conversation,
 357                                    timestamp,
 358                                    new XmppConnectionService.OnMoreMessagesLoaded() {
 359                                        @Override
 360                                        public void onMoreMessagesLoaded(
 361                                                final int c, final Conversation conversation) {
 362                                            if (ConversationFragment.this.conversation
 363                                                    != conversation) {
 364                                                conversation.messagesLoaded.set(true);
 365                                                return;
 366                                            }
 367                                            runOnUiThread(
 368                                                    () -> {
 369                                                        synchronized (messageList) {
 370                                                            final int oldPosition =
 371                                                                    binding.messagesView
 372                                                                            .getFirstVisiblePosition();
 373                                                            Message message = null;
 374                                                            int childPos;
 375                                                            for (childPos = 0;
 376                                                                    childPos + oldPosition
 377                                                                            < messageList.size();
 378                                                                    ++childPos) {
 379                                                                message =
 380                                                                        messageList.get(
 381                                                                                oldPosition
 382                                                                                        + childPos);
 383                                                                if (message.getType()
 384                                                                        != Message.TYPE_STATUS) {
 385                                                                    break;
 386                                                                }
 387                                                            }
 388                                                            final String uuid =
 389                                                                    message != null
 390                                                                            ? message.getUuid()
 391                                                                            : null;
 392                                                            View v =
 393                                                                    binding.messagesView.getChildAt(
 394                                                                            childPos);
 395                                                            final int pxOffset =
 396                                                                    (v == null) ? 0 : v.getTop();
 397                                                            ConversationFragment.this.conversation
 398                                                                    .populateWithMessages(
 399                                                                            ConversationFragment
 400                                                                                    .this
 401                                                                                    .messageList, activity == null ? null : activity.xmppConnectionService);
 402                                                            try {
 403                                                                updateStatusMessages();
 404                                                            } catch (IllegalStateException e) {
 405                                                                Log.d(
 406                                                                        Config.LOGTAG,
 407                                                                        "caught illegal state exception while updating status messages");
 408                                                            }
 409                                                            messageListAdapter
 410                                                                    .notifyDataSetChanged();
 411                                                            int pos =
 412                                                                    Math.max(
 413                                                                            getIndexOf(
 414                                                                                    uuid,
 415                                                                                    messageList),
 416                                                                            0);
 417                                                            binding.messagesView
 418                                                                    .setSelectionFromTop(
 419                                                                            pos, pxOffset);
 420                                                            if (messageLoaderToast != null) {
 421                                                                messageLoaderToast.cancel();
 422                                                            }
 423                                                            conversation.messagesLoaded.set(true);
 424                                                        }
 425                                                    });
 426                                        }
 427
 428                                        @Override
 429                                        public void informUser(final int resId) {
 430
 431                                            runOnUiThread(
 432                                                    () -> {
 433                                                        if (messageLoaderToast != null) {
 434                                                            messageLoaderToast.cancel();
 435                                                        }
 436                                                        if (ConversationFragment.this.conversation
 437                                                                != conversation) {
 438                                                            return;
 439                                                        }
 440                                                        messageLoaderToast =
 441                                                                Toast.makeText(
 442                                                                        view.getContext(),
 443                                                                        resId,
 444                                                                        Toast.LENGTH_LONG);
 445                                                        messageLoaderToast.show();
 446                                                    });
 447                                        }
 448                                    });
 449                        }
 450                    }
 451                }
 452            };
 453    private final EditMessage.OnCommitContentListener mEditorContentListener =
 454            new EditMessage.OnCommitContentListener() {
 455                @Override
 456                public boolean onCommitContent(
 457                        InputContentInfoCompat inputContentInfo,
 458                        int flags,
 459                        Bundle opts,
 460                        String[] contentMimeTypes) {
 461                    // try to get permission to read the image, if applicable
 462                    if ((flags & InputConnectionCompat.INPUT_CONTENT_GRANT_READ_URI_PERMISSION)
 463                            != 0) {
 464                        try {
 465                            inputContentInfo.requestPermission();
 466                        } catch (Exception e) {
 467                            Log.e(
 468                                    Config.LOGTAG,
 469                                    "InputContentInfoCompat#requestPermission() failed.",
 470                                    e);
 471                            Toast.makeText(
 472                                            getActivity(),
 473                                            activity.getString(
 474                                                    R.string.no_permission_to_access_x,
 475                                                    inputContentInfo.getDescription()),
 476                                            Toast.LENGTH_LONG)
 477                                    .show();
 478                            return false;
 479                        }
 480                    }
 481                    if (hasPermissions(
 482                            REQUEST_ADD_EDITOR_CONTENT,
 483                            Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
 484                        attachEditorContentToConversation(inputContentInfo.getContentUri());
 485                    } else {
 486                        mPendingEditorContent = inputContentInfo.getContentUri();
 487                    }
 488                    return true;
 489                }
 490            };
 491    private Message selectedMessage;
 492    private final OnClickListener mEnableAccountListener =
 493            new OnClickListener() {
 494                @Override
 495                public void onClick(View v) {
 496                    final Account account = conversation == null ? null : conversation.getAccount();
 497                    if (account != null) {
 498                        account.setOption(Account.OPTION_SOFT_DISABLED, false);
 499                        account.setOption(Account.OPTION_DISABLED, false);
 500                        activity.xmppConnectionService.updateAccount(account);
 501                    }
 502                }
 503            };
 504    private final OnClickListener mUnblockClickListener =
 505            new OnClickListener() {
 506                @Override
 507                public void onClick(final View v) {
 508                    v.post(() -> v.setVisibility(View.INVISIBLE));
 509                    if (conversation.isDomainBlocked()) {
 510                        BlockContactDialog.show(activity, conversation);
 511                    } else {
 512                        unblockConversation(conversation);
 513                    }
 514                }
 515            };
 516    private final OnClickListener mBlockClickListener = this::showBlockSubmenu;
 517    private final OnClickListener mAddBackClickListener =
 518            new OnClickListener() {
 519
 520                @Override
 521                public void onClick(View v) {
 522                    final Contact contact = conversation == null ? null : conversation.getContact();
 523                    if (contact != null) {
 524                        activity.xmppConnectionService.createContact(contact, true);
 525                        activity.switchToContactDetails(contact);
 526                    }
 527                }
 528            };
 529    private final View.OnLongClickListener mLongPressBlockListener = this::showBlockSubmenu;
 530    private final OnClickListener mAllowPresenceSubscription =
 531            new OnClickListener() {
 532                @Override
 533                public void onClick(View v) {
 534                    final Contact contact = conversation == null ? null : conversation.getContact();
 535                    if (contact != null) {
 536                        activity.xmppConnectionService.sendPresencePacket(
 537                                contact.getAccount(),
 538                                activity.xmppConnectionService
 539                                        .getPresenceGenerator()
 540                                        .sendPresenceUpdatesTo(contact));
 541                        hideSnackbar();
 542                    }
 543                }
 544            };
 545    protected OnClickListener clickToDecryptListener =
 546            new OnClickListener() {
 547
 548                @Override
 549                public void onClick(View v) {
 550                    PendingIntent pendingIntent =
 551                            conversation.getAccount().getPgpDecryptionService().getPendingIntent();
 552                    if (pendingIntent != null) {
 553                        try {
 554                            getActivity()
 555                                    .startIntentSenderForResult(
 556                                            pendingIntent.getIntentSender(),
 557                                            REQUEST_DECRYPT_PGP,
 558                                            null,
 559                                            0,
 560                                            0,
 561                                            0,
 562                                            Compatibility.pgpStartIntentSenderOptions());
 563                        } catch (SendIntentException e) {
 564                            Toast.makeText(
 565                                            getActivity(),
 566                                            R.string.unable_to_connect_to_keychain,
 567                                            Toast.LENGTH_SHORT)
 568                                    .show();
 569                            conversation
 570                                    .getAccount()
 571                                    .getPgpDecryptionService()
 572                                    .continueDecryption(true);
 573                        }
 574                    }
 575                    updateSnackBar(conversation);
 576                }
 577            };
 578    private final AtomicBoolean mSendingPgpMessage = new AtomicBoolean(false);
 579    private final OnEditorActionListener mEditorActionListener =
 580            (v, actionId, event) -> {
 581                if (actionId == EditorInfo.IME_ACTION_SEND) {
 582                    InputMethodManager imm =
 583                            (InputMethodManager)
 584                                    activity.getSystemService(Context.INPUT_METHOD_SERVICE);
 585                    if (imm != null && imm.isFullscreenMode()) {
 586                        imm.hideSoftInputFromWindow(v.getWindowToken(), 0);
 587                    }
 588                    sendMessage();
 589                    return true;
 590                } else {
 591                    return false;
 592                }
 593            };
 594    private final OnClickListener mScrollButtonListener =
 595            new OnClickListener() {
 596
 597                @Override
 598                public void onClick(View v) {
 599                    stopScrolling();
 600                    setSelection(binding.messagesView.getCount() - 1, true);
 601                }
 602            };
 603    private final OnClickListener mSendButtonListener =
 604            new OnClickListener() {
 605
 606                @Override
 607                public void onClick(View v) {
 608                    Object tag = v.getTag();
 609                    if (tag instanceof SendButtonAction) {
 610                        SendButtonAction action = (SendButtonAction) tag;
 611                        switch (action) {
 612                            case TAKE_PHOTO:
 613                            case RECORD_VIDEO:
 614                            case SEND_LOCATION:
 615                            case RECORD_VOICE:
 616                            case CHOOSE_PICTURE:
 617                                attachFile(action.toChoice());
 618                                break;
 619                            case CANCEL:
 620                                if (conversation != null) {
 621                                    conversation.setUserSelectedThread(false);
 622                                    if (conversation.setCorrectingMessage(null)) {
 623                                        binding.textinput.setText("");
 624                                        binding.textinput.append(conversation.getDraftMessage());
 625                                        conversation.setDraftMessage(null);
 626                                    } else if (conversation.getMode() == Conversation.MODE_MULTI) {
 627                                        conversation.setNextCounterpart(null);
 628                                        binding.textinput.setText("");
 629                                    } else {
 630                                        binding.textinput.setText("");
 631                                    }
 632                                    binding.textinputSubject.setText("");
 633                                    binding.textinputSubject.setVisibility(View.GONE);
 634                                    updateChatMsgHint();
 635                                    updateSendButton();
 636                                    updateEditablity();
 637                                }
 638                                break;
 639                            default:
 640                                sendMessage();
 641                        }
 642                    } else {
 643                        sendMessage();
 644                    }
 645                }
 646            };
 647    private OnBackPressedCallback backPressedLeaveSingleThread = new OnBackPressedCallback(false) {
 648        @Override
 649        public void handleOnBackPressed() {
 650            conversation.setLockThread(false);
 651            this.setEnabled(false);
 652            conversation.setUserSelectedThread(false);
 653            setThread(null);
 654            refresh();
 655            updateThreadFromLastMessage();
 656        }
 657    };
 658    private int completionIndex = 0;
 659    private int lastCompletionLength = 0;
 660    private String incomplete;
 661    private int lastCompletionCursor;
 662    private boolean firstWord = false;
 663    private Message mPendingDownloadableMessage;
 664
 665    private static ConversationFragment findConversationFragment(Activity activity) {
 666        Fragment fragment = activity.getFragmentManager().findFragmentById(R.id.main_fragment);
 667        if (fragment instanceof ConversationFragment) {
 668            return (ConversationFragment) fragment;
 669        }
 670        fragment = activity.getFragmentManager().findFragmentById(R.id.secondary_fragment);
 671        if (fragment instanceof ConversationFragment) {
 672            return (ConversationFragment) fragment;
 673        }
 674        return null;
 675    }
 676
 677    public static void startStopPending(Activity activity) {
 678        ConversationFragment fragment = findConversationFragment(activity);
 679        if (fragment != null) {
 680            fragment.messageListAdapter.startStopPending();
 681        }
 682    }
 683
 684    public static void downloadFile(Activity activity, Message message) {
 685        ConversationFragment fragment = findConversationFragment(activity);
 686        if (fragment != null) {
 687            fragment.startDownloadable(message);
 688        }
 689    }
 690
 691    public static void registerPendingMessage(Activity activity, Message message) {
 692        ConversationFragment fragment = findConversationFragment(activity);
 693        if (fragment != null) {
 694            fragment.pendingMessage.push(message);
 695        }
 696    }
 697
 698    public static void openPendingMessage(Activity activity) {
 699        ConversationFragment fragment = findConversationFragment(activity);
 700        if (fragment != null) {
 701            Message message = fragment.pendingMessage.pop();
 702            if (message != null) {
 703                fragment.messageListAdapter.openDownloadable(message);
 704            }
 705        }
 706    }
 707
 708    public static Conversation getConversation(Activity activity) {
 709        return getConversation(activity, R.id.secondary_fragment);
 710    }
 711
 712    private static Conversation getConversation(Activity activity, @IdRes int res) {
 713        final Fragment fragment = activity.getFragmentManager().findFragmentById(res);
 714        if (fragment instanceof ConversationFragment) {
 715            return ((ConversationFragment) fragment).getConversation();
 716        } else {
 717            return null;
 718        }
 719    }
 720
 721    public static ConversationFragment get(Activity activity) {
 722        FragmentManager fragmentManager = activity.getFragmentManager();
 723        Fragment fragment = fragmentManager.findFragmentById(R.id.main_fragment);
 724        if (fragment instanceof ConversationFragment) {
 725            return (ConversationFragment) fragment;
 726        } else {
 727            fragment = fragmentManager.findFragmentById(R.id.secondary_fragment);
 728            return fragment instanceof ConversationFragment
 729                    ? (ConversationFragment) fragment
 730                    : null;
 731        }
 732    }
 733
 734    public static Conversation getConversationReliable(Activity activity) {
 735        final Conversation conversation = getConversation(activity, R.id.secondary_fragment);
 736        if (conversation != null) {
 737            return conversation;
 738        }
 739        return getConversation(activity, R.id.main_fragment);
 740    }
 741
 742    private static boolean scrolledToBottom(AbsListView listView) {
 743        final int count = listView.getCount();
 744        if (count == 0) {
 745            return true;
 746        } else if (listView.getLastVisiblePosition() == count - 1) {
 747            final View lastChild = listView.getChildAt(listView.getChildCount() - 1);
 748            return lastChild != null && lastChild.getBottom() <= listView.getHeight();
 749        } else {
 750            return false;
 751        }
 752    }
 753
 754    private void toggleScrollDownButton() {
 755        toggleScrollDownButton(binding.messagesView);
 756    }
 757
 758    private void toggleScrollDownButton(AbsListView listView) {
 759        if (conversation == null) {
 760            return;
 761        }
 762        if (scrolledToBottom(listView)) {
 763            lastMessageUuid = null;
 764            hideUnreadMessagesCount();
 765        } else {
 766            binding.scrollToBottomButton.setEnabled(true);
 767            binding.scrollToBottomButton.show();
 768            if (lastMessageUuid == null) {
 769                lastMessageUuid = conversation.getLatestMessage().getUuid();
 770            }
 771            if (conversation.getReceivedMessagesCountSinceUuid(lastMessageUuid) > 0) {
 772                binding.unreadCountCustomView.setVisibility(View.VISIBLE);
 773            }
 774        }
 775    }
 776
 777    private int getIndexOf(String uuid, List<Message> messages) {
 778        if (uuid == null) {
 779            return messages.size() - 1;
 780        }
 781        for (int i = 0; i < messages.size(); ++i) {
 782            if (uuid.equals(messages.get(i).getUuid())) {
 783                return i;
 784            } else {
 785                Message next = messages.get(i);
 786                while (next != null && next.wasMergedIntoPrevious(activity == null ? null : activity.xmppConnectionService)) {
 787                    if (uuid.equals(next.getUuid())) {
 788                        return i;
 789                    }
 790                    next = next.next();
 791                }
 792            }
 793        }
 794        return -1;
 795    }
 796
 797    private ScrollState getScrollPosition() {
 798        final ListView listView = this.binding == null ? null : this.binding.messagesView;
 799        if (listView == null
 800                || listView.getCount() == 0
 801                || listView.getLastVisiblePosition() == listView.getCount() - 1) {
 802            return null;
 803        } else {
 804            final int pos = listView.getFirstVisiblePosition();
 805            final View view = listView.getChildAt(0);
 806            if (view == null) {
 807                return null;
 808            } else {
 809                return new ScrollState(pos, view.getTop());
 810            }
 811        }
 812    }
 813
 814    private void setScrollPosition(ScrollState scrollPosition, String lastMessageUuid) {
 815        if (scrollPosition != null) {
 816
 817            this.lastMessageUuid = lastMessageUuid;
 818            if (lastMessageUuid != null) {
 819                binding.unreadCountCustomView.setUnreadCount(
 820                        conversation.getReceivedMessagesCountSinceUuid(lastMessageUuid));
 821            }
 822            // TODO maybe this needs a 'post'
 823            this.binding.messagesView.setSelectionFromTop(
 824                    scrollPosition.position, scrollPosition.offset);
 825            toggleScrollDownButton();
 826        }
 827    }
 828
 829    private void attachLocationToConversation(Conversation conversation, Uri uri) {
 830        if (conversation == null) {
 831            return;
 832        }
 833        final String subject = binding.textinputSubject.getText().toString();
 834        activity.xmppConnectionService.attachLocationToConversation(
 835                conversation,
 836                uri,
 837                subject,
 838                new UiCallback<Message>() {
 839
 840                    @Override
 841                    public void success(Message message) {
 842                        messageSent();
 843                    }
 844
 845                    @Override
 846                    public void error(int errorCode, Message object) {
 847                        // TODO show possible pgp error
 848                    }
 849
 850                    @Override
 851                    public void userInputRequired(PendingIntent pi, Message object) {}
 852                });
 853    }
 854
 855    private void attachFileToConversation(Conversation conversation, Uri uri, String type) {
 856        if (conversation == null) {
 857            return;
 858        }
 859        final String subject = binding.textinputSubject.getText().toString();
 860        if ("application/webxdc+zip".equals(type)) newSubThread();
 861        final Toast prepareFileToast =
 862                Toast.makeText(getActivity(), getText(R.string.preparing_file), Toast.LENGTH_LONG);
 863        prepareFileToast.show();
 864        activity.delegateUriPermissionsToService(uri);
 865        activity.xmppConnectionService.attachFileToConversation(
 866                conversation,
 867                uri,
 868                type,
 869                subject,
 870                new UiInformableCallback<Message>() {
 871                    @Override
 872                    public void inform(final String text) {
 873                        hidePrepareFileToast(prepareFileToast);
 874                        runOnUiThread(() -> activity.replaceToast(text));
 875                    }
 876
 877                    @Override
 878                    public void success(Message message) {
 879                        runOnUiThread(() -> {
 880                            activity.hideToast();
 881                            messageSent();
 882                        });
 883                        hidePrepareFileToast(prepareFileToast);
 884                    }
 885
 886                    @Override
 887                    public void error(final int errorCode, Message message) {
 888                        hidePrepareFileToast(prepareFileToast);
 889                        runOnUiThread(() -> activity.replaceToast(getString(errorCode)));
 890                    }
 891
 892                    @Override
 893                    public void userInputRequired(PendingIntent pi, Message message) {
 894                        hidePrepareFileToast(prepareFileToast);
 895                    }
 896                });
 897    }
 898
 899    public void attachEditorContentToConversation(Uri uri) {
 900        mediaPreviewAdapter.addMediaPreviews(
 901                Attachment.of(getActivity(), uri, Attachment.Type.FILE));
 902        toggleInputMethod();
 903    }
 904
 905    private void attachImageToConversation(Conversation conversation, Uri uri, String type) {
 906        if (conversation == null) {
 907            return;
 908        }
 909        final String subject = binding.textinputSubject.getText().toString();
 910        final Toast prepareFileToast =
 911                Toast.makeText(getActivity(), getText(R.string.preparing_image), Toast.LENGTH_LONG);
 912        prepareFileToast.show();
 913        activity.delegateUriPermissionsToService(uri);
 914        activity.xmppConnectionService.attachImageToConversation(
 915                conversation,
 916                uri,
 917                type,
 918                subject,
 919                new UiCallback<Message>() {
 920
 921                    @Override
 922                    public void userInputRequired(PendingIntent pi, Message object) {
 923                        hidePrepareFileToast(prepareFileToast);
 924                    }
 925
 926                    @Override
 927                    public void success(Message message) {
 928                        hidePrepareFileToast(prepareFileToast);
 929                        runOnUiThread(() -> messageSent());
 930                    }
 931
 932                    @Override
 933                    public void error(final int error, final Message message) {
 934                        hidePrepareFileToast(prepareFileToast);
 935                        final ConversationsActivity activity = ConversationFragment.this.activity;
 936                        if (activity == null) {
 937                            return;
 938                        }
 939                        activity.runOnUiThread(() -> activity.replaceToast(getString(error)));
 940                    }
 941                });
 942    }
 943
 944    private void hidePrepareFileToast(final Toast prepareFileToast) {
 945        if (prepareFileToast != null && activity != null) {
 946            activity.runOnUiThread(prepareFileToast::cancel);
 947        }
 948    }
 949
 950    private void sendMessage() {
 951        sendMessage((Long) null);
 952    }
 953
 954    private void sendMessage(Long sendAt) {
 955        if (sendAt != null && sendAt < System.currentTimeMillis()) sendAt = null; // No sending in past plz
 956        if (mediaPreviewAdapter.hasAttachments()) {
 957            commitAttachments();
 958            return;
 959        }
 960        Editable body = this.binding.textinput.getText();
 961        if (body == null) body = new SpannableStringBuilder("");
 962        final Conversation conversation = this.conversation;
 963        final boolean hasSubject = binding.textinputSubject.getText().length() > 0;
 964        if (conversation == null || (body.length() == 0 && (conversation.getThread() == null || !hasSubject))) {
 965            if (Build.VERSION.SDK_INT >= 24) {
 966                binding.textSendButton.showContextMenu(0, 0);
 967            } else {
 968                binding.textSendButton.showContextMenu();
 969            }
 970            return;
 971        }
 972        if (trustKeysIfNeeded(conversation, REQUEST_TRUST_KEYS_TEXT)) {
 973            return;
 974        }
 975        final Message message;
 976        if (conversation.getCorrectingMessage() == null) {
 977            boolean attention = false;
 978            if (Pattern.compile("\\A@here\\s.*").matcher(body).find()) {
 979                attention = true;
 980                body.delete(0, 6);
 981                while (body.length() > 0 && Character.isWhitespace(body.charAt(0))) body.delete(0, 1);
 982            }
 983            if (conversation.getReplyTo() != null) {
 984                if (Emoticons.isEmoji(body.toString().replaceAll("\\s", ""))) {
 985                    final var aggregated = conversation.getReplyTo().getAggregatedReactions();
 986                    final ImmutableSet.Builder<String> reactionBuilder = new ImmutableSet.Builder<>();
 987                    reactionBuilder.addAll(aggregated.ourReactions);
 988                    reactionBuilder.add(body.toString().replaceAll("\\s", ""));
 989                    activity.xmppConnectionService.sendReactions(conversation.getReplyTo(), reactionBuilder.build());
 990                    setupReply(null);
 991                    messageSent();
 992                    return;
 993                } else {
 994                    message = conversation.getReplyTo().reply();
 995                    message.appendBody(body);
 996                }
 997                message.setEncryption(conversation.getNextEncryption());
 998            } else {
 999                message = new Message(conversation, body.toString(), conversation.getNextEncryption());
1000                message.setBody(hasSubject && body.length() == 0 ? null : body);
1001                if (message.bodyIsOnlyEmojis()) {
1002                    SpannableStringBuilder spannable = message.getSpannableBody(null, null);
1003                    ImageSpan[] imageSpans = spannable.getSpans(0, spannable.length(), ImageSpan.class);
1004                    for (ImageSpan span : imageSpans) {
1005                        final int start = spannable.getSpanStart(span);
1006                        final int end = spannable.getSpanEnd(span);
1007                        spannable.delete(start, end);
1008                    }
1009                    if (imageSpans.length == 1 && spannable.toString().replaceAll("\\s", "").length() < 1) {
1010                        // Only one inline image, so it's a sticker
1011                        String source = imageSpans[0].getSource();
1012                        if (source != null && source.length() > 0 && source.substring(0, 4).equals("cid:")) {
1013                            try {
1014                                final Cid cid = BobTransfer.cid(Uri.parse(source));
1015                                final String url = activity.xmppConnectionService.getUrlForCid(cid);
1016                                final File f = activity.xmppConnectionService.getFileForCid(cid);
1017                                if (url != null) {
1018                                    message.setBody("");
1019                                    message.setRelativeFilePath(f.getAbsolutePath());
1020                                    activity.xmppConnectionService.getFileBackend().updateFileParams(message);
1021                                }
1022                            } catch (final Exception e) { }
1023                        }
1024                    }
1025                }
1026            }
1027            if (hasSubject) message.setSubject(binding.textinputSubject.getText().toString());
1028            message.setThread(conversation.getThread());
1029            if (attention) {
1030                message.addPayload(new Element("attention", "urn:xmpp:attention:0"));
1031            }
1032            Message.configurePrivateMessage(message);
1033        } else {
1034            message = conversation.getCorrectingMessage();
1035            if (hasSubject) message.setSubject(binding.textinputSubject.getText().toString());
1036            message.setThread(conversation.getThread());
1037            if (conversation.getReplyTo() != null) {
1038                if (Emoticons.isEmoji(body.toString().replaceAll("\\s", ""))) {
1039                    message.updateReaction(conversation.getReplyTo(), body.toString().replaceAll("\\s", ""));
1040                } else {
1041                    message.updateReplyTo(conversation.getReplyTo(), body);
1042                }
1043            } else {
1044                message.clearReplyReact();
1045                message.setBody(hasSubject && body.length() == 0 ? null : body);
1046            }
1047            if (message.getStatus() == Message.STATUS_WAITING) {
1048                if (sendAt != null) message.setTime(sendAt);
1049                activity.xmppConnectionService.updateMessage(message);
1050                setupReply(null);
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,
1106                    conversation.getAccount().getJid().asBareJid().toEscapedString());
1107            intent.putExtra("conversation", conversation.getUuid());
1108            startActivityForResult(intent, requestCode);
1109            return true;
1110        } else {
1111            return false;
1112        }
1113    }
1114
1115    public void updateChatMsgHint() {
1116        final boolean multi = conversation.getMode() == Conversation.MODE_MULTI;
1117        if (conversation.getCorrectingMessage() != null) {
1118            this.binding.textInputHint.setVisibility(View.GONE);
1119            this.binding.textinput.setHint(R.string.send_corrected_message);
1120            binding.conversationViewPager.setCurrentItem(0);
1121        } else if (multi && conversation.getNextCounterpart() != null) {
1122            this.binding.textinput.setHint(R.string.send_message);
1123            this.binding.textInputHint.setVisibility(View.VISIBLE);
1124            final MucOptions.User user = conversation.getMucOptions().findUserByName(conversation.getNextCounterpart().getResource());
1125            String nick = user == null ? null : user.getNick();
1126            if (nick == null) nick = conversation.getNextCounterpart().getResource();
1127            this.binding.textInputHint.setText(
1128                    getString(
1129                            R.string.send_private_message_to,
1130                            nick));
1131            binding.conversationViewPager.setCurrentItem(0);
1132        } else if (multi && !conversation.getMucOptions().participating()) {
1133            this.binding.textInputHint.setVisibility(View.GONE);
1134            this.binding.textinput.setHint(R.string.you_are_not_participating);
1135            this.binding.inputLayout.setBackgroundColor(android.R.color.transparent);
1136        } else {
1137            this.binding.textInputHint.setVisibility(View.GONE);
1138            if (activity == null) return;
1139            this.binding.textinput.setHint(UIHelper.getMessageHint(activity, conversation));
1140            this.binding.inputLayout.setBackground(activity.getDrawable(R.drawable.background_message_bubble));
1141            activity.invalidateOptionsMenu();
1142        }
1143
1144        binding.messagesView.post(this::updateThreadFromLastMessage);
1145    }
1146
1147    public void setupIme() {
1148        this.binding.textinput.refreshIme();
1149    }
1150
1151    private void handleActivityResult(ActivityResult activityResult) {
1152        if (activityResult.resultCode == Activity.RESULT_OK) {
1153            handlePositiveActivityResult(activityResult.requestCode, activityResult.data);
1154        } else {
1155            handleNegativeActivityResult(activityResult.requestCode);
1156        }
1157    }
1158
1159    private void handlePositiveActivityResult(int requestCode, final Intent data) {
1160        switch (requestCode) {
1161            case REQUEST_WEBXDC_STORE:
1162                mediaPreviewAdapter.addMediaPreviews(Attachment.of(activity, data.getData(), Attachment.Type.FILE));
1163                toggleInputMethod();
1164                break;
1165            case REQUEST_SAVE_STICKER:
1166                final DocumentFile df = DocumentFile.fromSingleUri(activity, data.getData());
1167                final File f = savingAsSticker;
1168                savingAsSticker = null;
1169                try {
1170                    activity.xmppConnectionService.getFileBackend().copyFileToDocumentFile(activity, f, df);
1171                    Toast.makeText(activity, "Sticker saved", Toast.LENGTH_SHORT).show();
1172                } catch (final FileBackend.FileCopyException e) {
1173                    Toast.makeText(activity, e.getResId(), Toast.LENGTH_SHORT).show();
1174                }
1175                break;
1176            case REQUEST_TRUST_KEYS_TEXT:
1177                sendMessage();
1178                break;
1179            case REQUEST_TRUST_KEYS_ATTACHMENTS:
1180                commitAttachments();
1181                break;
1182            case REQUEST_START_AUDIO_CALL:
1183                triggerRtpSession(RtpSessionActivity.ACTION_MAKE_VOICE_CALL);
1184                break;
1185            case REQUEST_START_VIDEO_CALL:
1186                triggerRtpSession(RtpSessionActivity.ACTION_MAKE_VIDEO_CALL);
1187                break;
1188            case ATTACHMENT_CHOICE_CHOOSE_IMAGE:
1189                final List<Attachment> imageUris =
1190                        Attachment.extractAttachments(getActivity(), data, Attachment.Type.IMAGE);
1191                mediaPreviewAdapter.addMediaPreviews(imageUris);
1192                toggleInputMethod();
1193                break;
1194            case ATTACHMENT_CHOICE_TAKE_PHOTO:
1195                final Uri takePhotoUri = pendingTakePhotoUri.pop();
1196                if (takePhotoUri != null) {
1197                    mediaPreviewAdapter.addMediaPreviews(
1198                            Attachment.of(getActivity(), takePhotoUri, Attachment.Type.IMAGE));
1199                    toggleInputMethod();
1200                } else {
1201                    Log.d(Config.LOGTAG, "lost take photo uri. unable to to attach");
1202                }
1203                break;
1204            case ATTACHMENT_CHOICE_CHOOSE_FILE:
1205            case ATTACHMENT_CHOICE_RECORD_VIDEO:
1206            case ATTACHMENT_CHOICE_RECORD_VOICE:
1207                final Attachment.Type type =
1208                        requestCode == ATTACHMENT_CHOICE_RECORD_VOICE
1209                                ? Attachment.Type.RECORDING
1210                                : Attachment.Type.FILE;
1211                final List<Attachment> fileUris =
1212                        Attachment.extractAttachments(getActivity(), data, type);
1213                mediaPreviewAdapter.addMediaPreviews(fileUris);
1214                toggleInputMethod();
1215                break;
1216            case ATTACHMENT_CHOICE_LOCATION:
1217                final double latitude = data.getDoubleExtra("latitude", 0);
1218                final double longitude = data.getDoubleExtra("longitude", 0);
1219                final int accuracy = data.getIntExtra("accuracy", 0);
1220                final Uri geo;
1221                if (accuracy > 0) {
1222                    geo = Uri.parse(String.format("geo:%s,%s;u=%s", latitude, longitude, accuracy));
1223                } else {
1224                    geo = Uri.parse(String.format("geo:%s,%s", latitude, longitude));
1225                }
1226                mediaPreviewAdapter.addMediaPreviews(
1227                        Attachment.of(getActivity(), geo, Attachment.Type.LOCATION));
1228                toggleInputMethod();
1229                break;
1230            case REQUEST_INVITE_TO_CONVERSATION:
1231                XmppActivity.ConferenceInvite invite = XmppActivity.ConferenceInvite.parse(data);
1232                if (invite != null) {
1233                    if (invite.execute(activity)) {
1234                        activity.mToast =
1235                                Toast.makeText(
1236                                        activity, R.string.creating_conference, Toast.LENGTH_LONG);
1237                        activity.mToast.show();
1238                    }
1239                }
1240                break;
1241        }
1242    }
1243
1244    private void commitAttachments() {
1245        final List<Attachment> attachments = mediaPreviewAdapter.getAttachments();
1246        if (anyNeedsExternalStoragePermission(attachments)
1247                && !hasPermissions(
1248                        REQUEST_COMMIT_ATTACHMENTS, Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
1249            return;
1250        }
1251        if (trustKeysIfNeeded(conversation, REQUEST_TRUST_KEYS_ATTACHMENTS)) {
1252            return;
1253        }
1254        final PresenceSelector.OnPresenceSelected callback =
1255                () -> {
1256                    for (Iterator<Attachment> i = attachments.iterator(); i.hasNext(); i.remove()) {
1257                        final Attachment attachment = i.next();
1258                        if (attachment.getType() == Attachment.Type.LOCATION) {
1259                            attachLocationToConversation(conversation, attachment.getUri());
1260                        } else if (attachment.getType() == Attachment.Type.IMAGE) {
1261                            Log.d(
1262                                    Config.LOGTAG,
1263                                    "ConversationsActivity.commitAttachments() - attaching image to conversations. CHOOSE_IMAGE");
1264                            attachImageToConversation(
1265                                    conversation, attachment.getUri(), attachment.getMime());
1266                        } else {
1267                            Log.d(
1268                                    Config.LOGTAG,
1269                                    "ConversationsActivity.commitAttachments() - attaching file to conversations. CHOOSE_FILE/RECORD_VOICE/RECORD_VIDEO");
1270                            attachFileToConversation(
1271                                    conversation, attachment.getUri(), attachment.getMime());
1272                        }
1273                    }
1274                    mediaPreviewAdapter.notifyDataSetChanged();
1275                    toggleInputMethod();
1276                };
1277        if (conversation == null
1278                || conversation.getMode() == Conversation.MODE_MULTI
1279                || Attachment.canBeSendInBand(attachments)
1280                || (conversation.getAccount().httpUploadAvailable()
1281                        && FileBackend.allFilesUnderSize(
1282                                getActivity(), attachments, getMaxHttpUploadSize(conversation)))) {
1283            callback.onPresenceSelected();
1284        } else {
1285            activity.selectPresence(conversation, callback);
1286        }
1287    }
1288
1289    private static boolean anyNeedsExternalStoragePermission(
1290            final Collection<Attachment> attachments) {
1291        for (final Attachment attachment : attachments) {
1292            if (attachment.getType() != Attachment.Type.LOCATION) {
1293                return true;
1294            }
1295        }
1296        return false;
1297    }
1298
1299    public void toggleInputMethod() {
1300        boolean hasAttachments = mediaPreviewAdapter.hasAttachments();
1301        binding.textinput.setVisibility(hasAttachments ? View.GONE : View.VISIBLE);
1302        binding.mediaPreview.setVisibility(hasAttachments ? View.VISIBLE : View.GONE);
1303        updateSendButton();
1304    }
1305
1306    private void handleNegativeActivityResult(int requestCode) {
1307        switch (requestCode) {
1308            case ATTACHMENT_CHOICE_TAKE_PHOTO:
1309                if (pendingTakePhotoUri.clear()) {
1310                    Log.d(
1311                            Config.LOGTAG,
1312                            "cleared pending photo uri after negative activity result");
1313                }
1314                break;
1315        }
1316    }
1317
1318    @Override
1319    public void onActivityResult(int requestCode, int resultCode, final Intent data) {
1320        super.onActivityResult(requestCode, resultCode, data);
1321        ActivityResult activityResult = ActivityResult.of(requestCode, resultCode, data);
1322        if (activity != null && activity.xmppConnectionService != null) {
1323            handleActivityResult(activityResult);
1324        } else {
1325            this.postponedActivityResult.push(activityResult);
1326        }
1327    }
1328
1329    public void unblockConversation(final Blockable conversation) {
1330        activity.xmppConnectionService.sendUnblockRequest(conversation);
1331    }
1332
1333    @Override
1334    public void onAttach(Activity activity) {
1335        super.onAttach(activity);
1336        Log.d(Config.LOGTAG, "ConversationFragment.onAttach()");
1337        if (activity instanceof ConversationsActivity) {
1338            this.activity = (ConversationsActivity) activity;
1339        } else {
1340            throw new IllegalStateException(
1341                    "Trying to attach fragment to activity that is not the ConversationsActivity");
1342        }
1343    }
1344
1345    @Override
1346    public void onDetach() {
1347        super.onDetach();
1348        this.activity = null; // TODO maybe not a good idea since some callbacks really need it
1349    }
1350
1351    @Override
1352    public void onCreate(Bundle savedInstanceState) {
1353        super.onCreate(savedInstanceState);
1354        setHasOptionsMenu(true);
1355        activity.getOnBackPressedDispatcher().addCallback(this, backPressedLeaveSingleThread);
1356    }
1357
1358    @Override
1359    public void onCreateOptionsMenu(Menu menu, MenuInflater menuInflater) {
1360        if (activity != null && activity.xmppConnectionService != null && activity.xmppConnectionService.isOnboarding()) return;
1361
1362        menuInflater.inflate(R.menu.fragment_conversation, menu);
1363        final MenuItem menuMucDetails = menu.findItem(R.id.action_muc_details);
1364        final MenuItem menuContactDetails = menu.findItem(R.id.action_contact_details);
1365        final MenuItem menuInviteContact = menu.findItem(R.id.action_invite);
1366        final MenuItem menuMute = menu.findItem(R.id.action_mute);
1367        final MenuItem menuUnmute = menu.findItem(R.id.action_unmute);
1368        final MenuItem menuCall = menu.findItem(R.id.action_call);
1369        final MenuItem menuOngoingCall = menu.findItem(R.id.action_ongoing_call);
1370        final MenuItem menuVideoCall = menu.findItem(R.id.action_video_call);
1371        final MenuItem menuTogglePinned = menu.findItem(R.id.action_toggle_pinned);
1372
1373        if (conversation != null) {
1374            if (conversation.getMode() == Conversation.MODE_MULTI) {
1375                menuContactDetails.setVisible(false);
1376                menuInviteContact.setVisible(conversation.getMucOptions().canInvite());
1377                menuMucDetails.setTitle(
1378                        conversation.getMucOptions().isPrivateAndNonAnonymous()
1379                                ? R.string.action_muc_details
1380                                : R.string.channel_details);
1381                menuCall.setVisible(false);
1382                menuOngoingCall.setVisible(false);
1383            } else {
1384                final XmppConnectionService service =
1385                        activity == null ? null : activity.xmppConnectionService;
1386                final Optional<OngoingRtpSession> ongoingRtpSession =
1387                        service == null
1388                                ? Optional.absent()
1389                                : service.getJingleConnectionManager()
1390                                        .getOngoingRtpConnection(conversation.getContact());
1391                if (ongoingRtpSession.isPresent()) {
1392                    menuOngoingCall.setVisible(true);
1393                    menuCall.setVisible(false);
1394                } else {
1395                    menuOngoingCall.setVisible(false);
1396                    final RtpCapability.Capability rtpCapability =
1397                            RtpCapability.check(conversation.getContact());
1398                    final boolean cameraAvailable =
1399                            activity != null && activity.isCameraFeatureAvailable();
1400                    menuCall.setVisible(rtpCapability != RtpCapability.Capability.NONE);
1401                    menuVideoCall.setVisible(
1402                            rtpCapability == RtpCapability.Capability.VIDEO && cameraAvailable);
1403                }
1404                menuContactDetails.setVisible(!this.conversation.withSelf());
1405                menuMucDetails.setVisible(false);
1406                menuInviteContact.setVisible(
1407                        service != null
1408                                && service.findConferenceServer(conversation.getAccount()) != null);
1409            }
1410            if (conversation.isMuted()) {
1411                menuMute.setVisible(false);
1412            } else {
1413                menuUnmute.setVisible(false);
1414            }
1415            ConversationMenuConfigurator.configureAttachmentMenu(conversation, menu, TextUtils.isEmpty(binding.textinput.getText()));
1416            ConversationMenuConfigurator.configureEncryptionMenu(conversation, menu);
1417            if (conversation.getBooleanAttribute(Conversation.ATTRIBUTE_PINNED_ON_TOP, false)) {
1418                menuTogglePinned.setTitle(R.string.remove_from_favorites);
1419            } else {
1420                menuTogglePinned.setTitle(R.string.add_to_favorites);
1421            }
1422        }
1423        super.onCreateOptionsMenu(menu, menuInflater);
1424    }
1425
1426    @Override
1427    public View onCreateView(
1428            final LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
1429        this.binding =
1430                DataBindingUtil.inflate(inflater, R.layout.fragment_conversation, container, false);
1431        binding.getRoot().setOnClickListener(null); // TODO why the fuck did we do this?
1432
1433        binding.textinput.setOnEditorActionListener(mEditorActionListener);
1434        binding.textinput.setRichContentListener(new String[] {"image/*"}, mEditorContentListener);
1435        DisplayMetrics displayMetrics = new DisplayMetrics();
1436        activity.getWindowManager().getDefaultDisplay().getMetrics(displayMetrics);
1437        if (displayMetrics.heightPixels > 0) binding.textinput.setMaxHeight(displayMetrics.heightPixels / 4);
1438
1439        binding.textSendButton.setOnClickListener(this.mSendButtonListener);
1440        binding.contextPreviewCancel.setOnClickListener((v) -> {
1441            setThread(null);
1442            conversation.setUserSelectedThread(false);
1443            setupReply(null);
1444        });
1445        binding.requestVoice.setOnClickListener((v) -> {
1446            activity.xmppConnectionService.requestVoice(conversation.getAccount(), conversation.getJid());
1447            binding.requestVoice.setVisibility(View.GONE);
1448            Toast.makeText(activity, "Your request has been sent to the moderators", Toast.LENGTH_SHORT).show();
1449        });
1450
1451        binding.scrollToBottomButton.setOnClickListener(this.mScrollButtonListener);
1452        binding.messagesView.setOnScrollListener(mOnScrollListener);
1453        binding.messagesView.setTranscriptMode(ListView.TRANSCRIPT_MODE_NORMAL);
1454        mediaPreviewAdapter = new MediaPreviewAdapter(this);
1455        binding.mediaPreview.setAdapter(mediaPreviewAdapter);
1456        messageListAdapter = new MessageAdapter((XmppActivity) getActivity(), this.messageList);
1457        messageListAdapter.setOnContactPictureClicked(this);
1458        messageListAdapter.setOnContactPictureLongClicked(this);
1459        messageListAdapter.setOnInlineImageLongClicked(this);
1460        messageListAdapter.setConversationFragment(this);
1461        binding.messagesView.setAdapter(messageListAdapter);
1462
1463        binding.textinput.addTextChangedListener(
1464                new StylingHelper.MessageEditorStyler(binding.textinput, messageListAdapter));
1465
1466        registerForContextMenu(binding.messagesView);
1467        registerForContextMenu(binding.textSendButton);
1468
1469        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
1470            this.binding.textinput.setCustomInsertionActionModeCallback(
1471                    new EditMessageActionModeCallback(this.binding.textinput));
1472        }
1473
1474        messageListAdapter.setOnMessageBoxClicked(message -> {
1475            if (message.isPrivateMessage()) privateMessageWith(message.getCounterpart());
1476            setThread(message.getThread());
1477            conversation.setUserSelectedThread(true);
1478        });
1479
1480        messageListAdapter.setOnMessageBoxSwiped(message -> {
1481            quoteMessage(message);
1482        });
1483
1484        binding.threadIdenticonLayout.setOnClickListener(v -> {
1485            boolean wasLocked = conversation.getLockThread();
1486            conversation.setLockThread(false);
1487            backPressedLeaveSingleThread.setEnabled(false);
1488            if (wasLocked) {
1489                setThread(null);
1490                conversation.setUserSelectedThread(false);
1491                refresh();
1492                updateThreadFromLastMessage();
1493            } else {
1494                newThread();
1495                conversation.setUserSelectedThread(true);
1496                newThreadTutorialToast("Switched to new thread");
1497            }
1498        });
1499
1500        binding.threadIdenticonLayout.setOnLongClickListener(v -> {
1501            boolean wasLocked = conversation.getLockThread();
1502            conversation.setLockThread(false);
1503            backPressedLeaveSingleThread.setEnabled(false);
1504            setThread(null);
1505            conversation.setUserSelectedThread(true);
1506            if (wasLocked) refresh();
1507            newThreadTutorialToast("Cleared thread");
1508            return true;
1509        });
1510
1511        Autocomplete.<MucOptions.User>on(binding.textinput)
1512            .with(activity.getDrawable(R.drawable.background_message_bubble))
1513            .with(new CharPolicy('@'))
1514            .with(new RecyclerViewPresenter<MucOptions.User>(activity) {
1515                protected UserAdapter adapter;
1516
1517                @Override
1518                protected Adapter instantiateAdapter() {
1519                    adapter = new UserAdapter(false) {
1520                        @Override
1521                        public void onBindViewHolder(UserAdapter.ViewHolder viewHolder, int position) {
1522                            super.onBindViewHolder(viewHolder, position);
1523                            final var item = getItem(position);
1524                            viewHolder.binding.getRoot().setOnClickListener(v -> {
1525                                dispatchClick(item);
1526                            });
1527                        }
1528                    };
1529                    return adapter;
1530                }
1531
1532                @Override
1533                protected void onQuery(@Nullable CharSequence query) {
1534                    if (!activity.xmppConnectionService.getBooleanPreference("message_autocomplete", R.bool.message_autocomplete)) return;
1535
1536                    getRecyclerView().getItemAnimator().endAnimations();
1537                    final var allUsers = conversation.getMucOptions().getUsers();
1538                    if (!conversation.getMucOptions().getUsersByRole(MucOptions.Role.MODERATOR).isEmpty()) {
1539                        final var u = new MucOptions.User(conversation.getMucOptions(), null, "\0role:moderator", "Notify active moderators", new HashSet<>());
1540                        u.setRole("participant");
1541                        allUsers.add(u);
1542                    }
1543                    if (!allUsers.isEmpty() && conversation.getMucOptions().getSelf() != null && conversation.getMucOptions().getSelf().getAffiliation().ranks(MucOptions.Affiliation.MEMBER)) {
1544                        final var u = new MucOptions.User(conversation.getMucOptions(), null, "\0attention", "Notify active participants", new HashSet<>());
1545                        u.setRole("participant");
1546                        allUsers.add(u);
1547                    }
1548                    final String needle = query.toString().toLowerCase(Locale.getDefault());
1549                    adapter.submitList(
1550                        Ordering.natural().immutableSortedCopy(Collections2.filter(
1551                            allUsers,
1552                            user -> {
1553                                if ("mods".contains(needle) && "\0role:moderator".equals(user.getOccupantId())) return true;
1554                                if ("here".contains(needle) && "\0attention".equals(user.getOccupantId())) return true;
1555                                final String name = user.getNick();
1556                                if (name == null) return false;
1557                                for (final var hat : user.getHats()) {
1558                                    if (hat.toString().toLowerCase(Locale.getDefault()).contains(needle)) return true;
1559                                }
1560                                for (final var hat : user.getPseudoHats(activity)) {
1561                                    if (hat.toString().toLowerCase(Locale.getDefault()).contains(needle)) return true;
1562                                }
1563                                final Contact contact = user.getContact();
1564                                return name.toLowerCase(Locale.getDefault()).contains(needle)
1565                                    || contact != null
1566                                    && contact.getDisplayName().toLowerCase(Locale.getDefault()).contains(needle);
1567                            })));
1568                }
1569
1570                @Override
1571                protected AutocompletePresenter.PopupDimensions getPopupDimensions() {
1572                    final var dim = new AutocompletePresenter.PopupDimensions();
1573                    dim.width = displayMetrics.widthPixels * 4/5;
1574                    return dim;
1575                }
1576            })
1577            .with(new AutocompleteCallback<MucOptions.User>() {
1578                @Override
1579                public boolean onPopupItemClicked(Editable editable, MucOptions.User user) {
1580                    int[] range = com.otaliastudios.autocomplete.CharPolicy.getQueryRange(editable);
1581                    if (range == null) return false;
1582                    range[0] -= 1;
1583                    if ("\0attention".equals(user.getOccupantId())) {
1584	                    editable.delete(Math.max(0, range[0]), Math.min(editable.length(), range[1]));
1585                        editable.insert(0, "@here ");
1586                        return true;
1587                    }
1588                    int colon = editable.toString().indexOf(':');
1589                    final var beforeColon = range[0] < colon;
1590                    String prefix = "";
1591                    String suffix = " ";
1592                    if (beforeColon) suffix = ", ";
1593                    if (colon < 0 && range[0] == 0) suffix = ": ";
1594                    if (colon > 0 && colon == range[0] - 2) {
1595                        prefix = ", ";
1596                        suffix = ": ";
1597                        range[0] -= 2;
1598                    }
1599                    var insert = user.getNick();
1600                    if ("\0role:moderator".equals(user.getOccupantId())) {
1601                        insert = conversation.getMucOptions().getUsersByRole(MucOptions.Role.MODERATOR).stream().map(MucOptions.User::getNick).collect(Collectors.joining(", "));
1602                    }
1603                    editable.replace(Math.max(0, range[0]), Math.min(editable.length(), range[1]), prefix + insert + suffix);
1604                    return true;
1605                }
1606
1607                @Override
1608                public void onPopupVisibilityChanged(boolean shown) {}
1609            }).build();
1610
1611        Handler emojiDebounce = new Handler(Looper.getMainLooper());
1612        setupEmojiSearch();
1613        Autocomplete.<EmojiSearch.Emoji>on(binding.textinput)
1614            .with(activity.getDrawable(R.drawable.background_message_bubble))
1615            .with(new CharPolicy(':'))
1616            .with(new RecyclerViewPresenter<EmojiSearch.Emoji>(activity) {
1617                protected EmojiSearch.EmojiSearchAdapter adapter;
1618
1619                @Override
1620                protected Adapter instantiateAdapter() {
1621                    setupEmojiSearch();
1622                    adapter = emojiSearch.makeAdapter(item -> dispatchClick(item));
1623                    return adapter;
1624                }
1625
1626                @Override
1627                protected void onQuery(@Nullable CharSequence query) {
1628                    if (!activity.xmppConnectionService.getBooleanPreference("message_autocomplete", R.bool.message_autocomplete)) return;
1629
1630                    emojiDebounce.removeCallbacksAndMessages(null);
1631                    emojiDebounce.postDelayed(() -> {
1632                        if (getRecyclerView() == null) return;
1633                        try { getRecyclerView().getItemAnimator().endAnimations(); } catch (final Exception e) {  }
1634                        adapter.search(activity, query.toString());
1635                    }, 100L);
1636                }
1637            })
1638            .with(new AutocompleteCallback<EmojiSearch.Emoji>() {
1639                @Override
1640                public boolean onPopupItemClicked(Editable editable, EmojiSearch.Emoji emoji) {
1641                    int[] range = com.otaliastudios.autocomplete.CharPolicy.getQueryRange(editable);
1642                    if (range == null) return false;
1643                    range[0] -= 1;
1644                    final var toInsert = emoji.toInsert();
1645                    toInsert.append(" ");
1646                    editable.replace(Math.max(0, range[0]), Math.min(editable.length(), range[1]), toInsert);
1647                    return true;
1648                }
1649
1650                @Override
1651                public void onPopupVisibilityChanged(boolean shown) {}
1652            }).build();
1653
1654        return binding.getRoot();
1655    }
1656
1657    protected void setupEmojiSearch() {
1658        if (activity != null && activity.xmppConnectionService != null) {
1659            if (emojiSearch == null) {
1660                emojiSearch = activity.xmppConnectionService.emojiSearch();
1661            }
1662        }
1663    }
1664
1665    protected void newThreadTutorialToast(String s) {
1666        if (activity == null) return;
1667        final SharedPreferences p = PreferenceManager.getDefaultSharedPreferences(activity);
1668        final int tutorialCount = p.getInt("thread_tutorial", 0);
1669        if (tutorialCount < 5) {
1670            Toast.makeText(activity, s, Toast.LENGTH_SHORT).show();
1671            p.edit().putInt("thread_tutorial", tutorialCount + 1).apply();
1672        }
1673    }
1674
1675    @Override
1676    public void onDestroyView() {
1677        super.onDestroyView();
1678        Log.d(Config.LOGTAG, "ConversationFragment.onDestroyView()");
1679        messageListAdapter.setOnContactPictureClicked(null);
1680        messageListAdapter.setOnContactPictureLongClicked(null);
1681        messageListAdapter.setOnInlineImageLongClicked(null);
1682        messageListAdapter.setConversationFragment(null);
1683        binding.conversationViewPager.setAdapter(null);
1684        if (conversation != null) conversation.setupViewPager(null, null, false, null);
1685    }
1686
1687    public void quoteText(String text) {
1688        if (binding.textinput.isEnabled()) {
1689            binding.textinput.insertAsQuote(text);
1690            binding.textinput.requestFocus();
1691            InputMethodManager inputMethodManager =
1692                    (InputMethodManager)
1693                            getActivity().getSystemService(Context.INPUT_METHOD_SERVICE);
1694            if (inputMethodManager != null) {
1695                inputMethodManager.showSoftInput(
1696                        binding.textinput, InputMethodManager.SHOW_IMPLICIT);
1697            }
1698        }
1699    }
1700
1701    private void quoteMessage(Message message) {
1702        if (message.isPrivateMessage()) privateMessageWith(message.getCounterpart());
1703        setThread(message.getThread());
1704        conversation.setUserSelectedThread(true);
1705        if (!forkNullThread(message)) newThread();
1706        setupReply(message);
1707    }
1708
1709    private boolean forkNullThread(Message message) {
1710        if (message.getThread() != null || conversation.getMode() != Conversation.MODE_MULTI) return true;
1711        for (final Message m : conversation.findReplies(message.getServerMsgId())) {
1712            final Element thread = m.getThread();
1713            if (thread != null) {
1714                setThread(thread);
1715                return true;
1716            }
1717        }
1718
1719        return false;
1720    }
1721
1722    private void setupReply(Message message) {
1723        conversation.setReplyTo(message);
1724        if (message == null) {
1725            binding.contextPreview.setVisibility(View.GONE);
1726            binding.textsend.setBackgroundResource(R.drawable.textsend);
1727            return;
1728        }
1729
1730        SpannableStringBuilder body = message.getSpannableBody(null, null);
1731        if (message.isFileOrImage() || message.isOOb()) body.append(" 🖼️");
1732        messageListAdapter.handleTextQuotes(binding.contextPreviewText, body);
1733        binding.contextPreviewText.setText(body);
1734        binding.contextPreview.setVisibility(View.VISIBLE);
1735    }
1736
1737    private void setThread(Element thread) {
1738        this.conversation.setThread(thread);
1739        binding.threadIdenticon.setAlpha(0f);
1740        binding.threadIdenticonLock.setVisibility(this.conversation.getLockThread() ? View.VISIBLE : View.GONE);
1741        if (thread != null) {
1742            final String threadId = thread.getContent();
1743            if (threadId != null) {
1744                binding.threadIdenticon.setAlpha(1f);
1745                binding.threadIdenticon.setColor(UIHelper.getColorForName(threadId));
1746                binding.threadIdenticon.setHash(UIHelper.identiconHash(threadId));
1747            }
1748        }
1749        updateSendButton();
1750    }
1751
1752    @Override
1753    public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
1754        // This should cancel any remaining click events that would otherwise trigger links
1755        v.dispatchTouchEvent(MotionEvent.obtain(0, 0, MotionEvent.ACTION_CANCEL, 0f, 0f, 0));
1756
1757        if (v == binding.textSendButton) {
1758            super.onCreateContextMenu(menu, v, menuInfo);
1759            try {
1760                java.lang.reflect.Method m = menu.getClass().getSuperclass().getDeclaredMethod("setOptionalIconsVisible", Boolean.TYPE);
1761                m.setAccessible(true);
1762                m.invoke(menu, true);
1763            } catch (Exception e) {
1764                e.printStackTrace();
1765            }
1766            Menu tmpMenu = new PopupMenu(activity, null).getMenu();
1767            activity.getMenuInflater().inflate(R.menu.fragment_conversation, tmpMenu);
1768            MenuItem attachMenu = tmpMenu.findItem(R.id.action_attach_file);
1769            for (int i = 0; i < attachMenu.getSubMenu().size(); i++) {
1770                MenuItem item = attachMenu.getSubMenu().getItem(i);
1771                MenuItem newItem = menu.add(item.getGroupId(), item.getItemId(), item.getOrder(), item.getTitle());
1772                newItem.setIcon(item.getIcon());
1773            }
1774            ConversationMenuConfigurator.configureAttachmentMenu(conversation, menu, TextUtils.isEmpty(binding.textinput.getText()));
1775            return;
1776        }
1777
1778        synchronized (this.messageList) {
1779            super.onCreateContextMenu(menu, v, menuInfo);
1780            AdapterView.AdapterContextMenuInfo acmi = (AdapterContextMenuInfo) menuInfo;
1781            this.selectedMessage = this.messageList.get(acmi.position);
1782            populateContextMenu(menu);
1783        }
1784    }
1785
1786    private void populateContextMenu(ContextMenu menu) {
1787        final Message m = this.selectedMessage;
1788        final Transferable t = m.getTransferable();
1789        Message relevantForCorrection = m;
1790        while (relevantForCorrection.mergeable(relevantForCorrection.next())) {
1791            relevantForCorrection = relevantForCorrection.next();
1792        }
1793        if (m.getType() != Message.TYPE_STATUS && m.getType() != Message.TYPE_RTP_SESSION) {
1794
1795            if (m.getEncryption() == Message.ENCRYPTION_AXOLOTL_NOT_FOR_THIS_DEVICE
1796                    || m.getEncryption() == Message.ENCRYPTION_AXOLOTL_FAILED) {
1797                return;
1798            }
1799
1800            if (m.getStatus() == Message.STATUS_RECEIVED
1801                    && t != null
1802                    && (t.getStatus() == Transferable.STATUS_CANCELLED
1803                            || t.getStatus() == Transferable.STATUS_FAILED)) {
1804                return;
1805            }
1806
1807            final boolean deleted = m.isDeleted();
1808            final boolean encrypted =
1809                    m.getEncryption() == Message.ENCRYPTION_DECRYPTION_FAILED
1810                            || m.getEncryption() == Message.ENCRYPTION_PGP;
1811            final boolean receiving =
1812                    m.getStatus() == Message.STATUS_RECEIVED
1813                            && (t instanceof JingleFileTransferConnection
1814                                    || t instanceof HttpDownloadConnection);
1815            activity.getMenuInflater().inflate(R.menu.message_context, menu);
1816            final MenuItem reportAndBlock = menu.findItem(R.id.action_report_and_block);
1817            final MenuItem addReaction = menu.findItem(R.id.action_add_reaction);
1818            MenuItem openWith = menu.findItem(R.id.open_with);
1819            MenuItem copyMessage = menu.findItem(R.id.copy_message);
1820            MenuItem quoteMessage = menu.findItem(R.id.quote_message);
1821            MenuItem retryDecryption = menu.findItem(R.id.retry_decryption);
1822            MenuItem correctMessage = menu.findItem(R.id.correct_message);
1823            MenuItem retractMessage = menu.findItem(R.id.retract_message);
1824            MenuItem moderateMessage = menu.findItem(R.id.moderate_message);
1825            MenuItem onlyThisThread = menu.findItem(R.id.only_this_thread);
1826            MenuItem shareWith = menu.findItem(R.id.share_with);
1827            MenuItem sendAgain = menu.findItem(R.id.send_again);
1828            MenuItem copyUrl = menu.findItem(R.id.copy_url);
1829            MenuItem saveAsSticker = menu.findItem(R.id.save_as_sticker);
1830            MenuItem downloadFile = menu.findItem(R.id.download_file);
1831            MenuItem cancelTransmission = menu.findItem(R.id.cancel_transmission);
1832            MenuItem blockMedia = menu.findItem(R.id.block_media);
1833            MenuItem deleteFile = menu.findItem(R.id.delete_file);
1834            MenuItem showErrorMessage = menu.findItem(R.id.show_error_message);
1835            onlyThisThread.setVisible(!conversation.getLockThread() && m.getThread() != null);
1836            final boolean unInitiatedButKnownSize = MessageUtils.unInitiatedButKnownSize(m);
1837            final boolean showError =
1838                    m.getStatus() == Message.STATUS_SEND_FAILED
1839                            && m.getErrorMessage() != null
1840                            && !Message.ERROR_MESSAGE_CANCELLED.equals(m.getErrorMessage());
1841            final Conversational conversational = m.getConversation();
1842            if (m.getStatus() == Message.STATUS_RECEIVED && conversational instanceof Conversation c) {
1843                final XmppConnection connection = c.getAccount().getXmppConnection();
1844                if (c.isWithStranger()
1845                        && m.getServerMsgId() != null
1846                        && !c.isBlocked()
1847                        && connection != null
1848                        && connection.getFeatures().spamReporting()) {
1849                    reportAndBlock.setVisible(true);
1850                }
1851            }
1852            if (!encrypted) {
1853                addReaction.setVisible(!showError && !m.isDeleted());
1854            }
1855            if (!m.isFileOrImage()
1856                    && !encrypted
1857                    && !m.isGeoUri()
1858                    && !m.treatAsDownloadable()
1859                    && !unInitiatedButKnownSize
1860                    && t == null) {
1861                copyMessage.setVisible(true);
1862            }
1863            quoteMessage.setVisible(!encrypted && !showError);
1864            if (m.getEncryption() == Message.ENCRYPTION_DECRYPTION_FAILED && !deleted) {
1865                retryDecryption.setVisible(true);
1866            }
1867            if (!showError
1868                    && relevantForCorrection.getType() == Message.TYPE_TEXT
1869                    && relevantForCorrection.isEditable()
1870                    && !m.isGeoUri()
1871                    && m.getConversation() instanceof Conversation) {
1872                correctMessage.setVisible(true);
1873                if (!relevantForCorrection.getBody().equals("") && !relevantForCorrection.getBody().equals(" ")) retractMessage.setVisible(true);
1874            }
1875            if (relevantForCorrection.getStatus() == Message.STATUS_WAITING) {
1876                correctMessage.setVisible(true);
1877                retractMessage.setVisible(true);
1878            }
1879            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")) {
1880                moderateMessage.setVisible(true);
1881            }
1882            if ((m.isFileOrImage() && !deleted && !receiving)
1883                    || (m.getType() == Message.TYPE_TEXT && !m.treatAsDownloadable())
1884                            && !unInitiatedButKnownSize
1885                            && t == null) {
1886                shareWith.setVisible(true);
1887            }
1888            if (m.getStatus() == Message.STATUS_SEND_FAILED) {
1889                sendAgain.setVisible(true);
1890            }
1891            if (m.hasFileOnRemoteHost()
1892                    || m.isGeoUri()
1893                    || m.treatAsDownloadable()
1894                    || unInitiatedButKnownSize
1895                    || t instanceof HttpDownloadConnection) {
1896                copyUrl.setVisible(true);
1897            }
1898            if (m.isFileOrImage() && deleted && m.hasFileOnRemoteHost()) {
1899                downloadFile.setVisible(true);
1900                downloadFile.setTitle(
1901                        activity.getString(
1902                                R.string.download_x_file,
1903                                UIHelper.getFileDescriptionString(activity, m)));
1904            }
1905            final boolean waitingOfferedSending =
1906                    m.getStatus() == Message.STATUS_WAITING
1907                            || m.getStatus() == Message.STATUS_UNSEND
1908                            || m.getStatus() == Message.STATUS_OFFERED;
1909            final boolean cancelable =
1910                    (t != null && !deleted) || waitingOfferedSending && m.needsUploading();
1911            if (cancelable) {
1912                cancelTransmission.setVisible(true);
1913            }
1914            if (m.isFileOrImage() && !deleted && !cancelable) {
1915                final String path = m.getRelativeFilePath();
1916                if (path != null) {
1917                    final var file = new File(path);
1918                    if (file.canRead()) saveAsSticker.setVisible(true);
1919                    blockMedia.setVisible(true);
1920                    if (file.canWrite()) deleteFile.setVisible(true);
1921                    deleteFile.setTitle(
1922                            activity.getString(
1923                                    R.string.delete_x_file,
1924                                    UIHelper.getFileDescriptionString(activity, m)));
1925                }
1926            }
1927
1928            if (m.getFileParams() != null && !m.getFileParams().getThumbnails().isEmpty()) {
1929                // We might be showing a thumbnail worth blocking
1930                blockMedia.setVisible(true);
1931            }
1932            if (showError) {
1933                showErrorMessage.setVisible(true);
1934            }
1935            final String mime = m.isFileOrImage() ? m.getMimeType() : null;
1936            if ((m.isGeoUri() && GeoHelper.openInOsmAnd(getActivity(), m))
1937                    || (mime != null && mime.startsWith("audio/"))) {
1938                openWith.setVisible(true);
1939            }
1940        }
1941    }
1942
1943    @Override
1944    public boolean onContextItemSelected(MenuItem item) {
1945        switch (item.getItemId()) {
1946            case R.id.share_with:
1947                ShareUtil.share(activity, selectedMessage);
1948                return true;
1949            case R.id.correct_message:
1950                correctMessage(selectedMessage);
1951                return true;
1952            case R.id.retract_message:
1953                new AlertDialog.Builder(activity)
1954                    .setTitle(R.string.retract_message)
1955                    .setMessage("Do you really want to retract this message?")
1956                    .setPositiveButton(R.string.yes, (dialog, whichButton) -> {
1957                        Message message = selectedMessage;
1958                        while (message.mergeable(message.next())) {
1959                            message = message.next();
1960                        }
1961                        if (message.getStatus() == Message.STATUS_WAITING || message.getStatus() == Message.STATUS_OFFERED) {
1962                            activity.xmppConnectionService.deleteMessage(message);
1963                            return;
1964                        }
1965                        Element reactions = message.getReactionsEl();
1966                        if (reactions != null) {
1967                            final Message previousReaction = conversation.findMessageReactingTo(reactions.getAttribute("id"), null);
1968                            if (previousReaction != null) reactions = previousReaction.getReactionsEl();
1969                            for (Element el : reactions.getChildren()) {
1970                                if (message.getRawBody().endsWith(el.getContent())) {
1971                                    reactions.removeChild(el);
1972                                }
1973                            }
1974                            message.setReactions(reactions);
1975                            if (previousReaction != null) {
1976                                previousReaction.setReactions(reactions);
1977                                activity.xmppConnectionService.updateMessage(previousReaction);
1978                            }
1979                        } else {
1980                            message.setInReplyTo(null);
1981                            message.clearPayloads();
1982                        }
1983                        message.setBody(" ");
1984                        message.setSubject(null);
1985                        message.putEdited(message.getUuid(), message.getServerMsgId());
1986                        message.setServerMsgId(null);
1987                        message.setUuid(UUID.randomUUID().toString());
1988                        sendMessage(message);
1989                    })
1990                    .setNegativeButton(R.string.no, null).show();
1991                return true;
1992            case R.id.moderate_message:
1993                activity.quickEdit("Spam", (reason) -> {
1994                    Message message = selectedMessage;
1995                    do {
1996                        activity.xmppConnectionService.moderateMessage(conversation.getAccount(), message, reason);
1997                        message = message.mergeable(message.next()) ? message.next() : null;
1998                    } while (message != null);
1999                    return null;
2000                }, R.string.moderate_reason, false, false, true, true);
2001                return true;
2002            case R.id.copy_message:
2003                ShareUtil.copyToClipboard(activity, selectedMessage);
2004                return true;
2005            case R.id.quote_message:
2006                quoteMessage(selectedMessage);
2007                return true;
2008            case R.id.send_again:
2009                resendMessage(selectedMessage);
2010                return true;
2011            case R.id.copy_url:
2012                ShareUtil.copyUrlToClipboard(activity, selectedMessage);
2013                return true;
2014            case R.id.save_as_sticker:
2015                saveAsSticker(selectedMessage);
2016                return true;
2017            case R.id.download_file:
2018                startDownloadable(selectedMessage);
2019                return true;
2020            case R.id.cancel_transmission:
2021                cancelTransmission(selectedMessage);
2022                return true;
2023            case R.id.retry_decryption:
2024                retryDecryption(selectedMessage);
2025                return true;
2026            case R.id.block_media:
2027                new AlertDialog.Builder(activity)
2028                    .setTitle(R.string.block_media)
2029                    .setMessage("Do you really want to block this media in all messages?")
2030                    .setPositiveButton(R.string.yes, (dialog, whichButton) -> {
2031                        List<Element> thumbs = selectedMessage.getFileParams() != null ? selectedMessage.getFileParams().getThumbnails() : null;
2032                        if (thumbs != null && !thumbs.isEmpty()) {
2033                            for (Element thumb : thumbs) {
2034                                Uri uri = Uri.parse(thumb.getAttribute("uri"));
2035                                if (uri.getScheme().equals("cid")) {
2036                                    Cid cid = BobTransfer.cid(uri);
2037                                    if (cid == null) continue;
2038                                    DownloadableFile f = activity.xmppConnectionService.getFileForCid(cid);
2039                                    activity.xmppConnectionService.blockMedia(f);
2040                                    activity.xmppConnectionService.evictPreview(f);
2041                                    f.delete();
2042                                }
2043                            }
2044                        }
2045                        File f = activity.xmppConnectionService.getFileBackend().getFile(selectedMessage);
2046                        activity.xmppConnectionService.blockMedia(f);
2047                        activity.xmppConnectionService.getFileBackend().deleteFile(selectedMessage);
2048                        activity.xmppConnectionService.evictPreview(f);
2049                        activity.xmppConnectionService.updateMessage(selectedMessage, false);
2050                        activity.onConversationsListItemUpdated();
2051                        refresh();
2052                    })
2053                    .setNegativeButton(R.string.no, null).show();
2054                return true;
2055            case R.id.delete_file:
2056                deleteFile(selectedMessage);
2057                return true;
2058            case R.id.show_error_message:
2059                showErrorMessage(selectedMessage);
2060                return true;
2061            case R.id.open_with:
2062                openWith(selectedMessage);
2063                return true;
2064            case R.id.only_this_thread:
2065                conversation.setLockThread(true);
2066                backPressedLeaveSingleThread.setEnabled(true);
2067                setThread(selectedMessage.getThread());
2068                refresh();
2069                return true;
2070            case R.id.action_report_and_block:
2071                reportMessage(selectedMessage);
2072                return true;
2073            case R.id.action_add_reaction:
2074                addReaction(selectedMessage);
2075                return true;
2076            default:
2077                return onOptionsItemSelected(item);
2078        }
2079    }
2080
2081    @Override
2082    public boolean onOptionsItemSelected(final MenuItem item) {
2083        if (MenuDoubleTabUtil.shouldIgnoreTap()) {
2084            return false;
2085        } else if (conversation == null) {
2086            return super.onOptionsItemSelected(item);
2087        }
2088        switch (item.getItemId()) {
2089            case R.id.encryption_choice_axolotl:
2090            case R.id.encryption_choice_pgp:
2091            case R.id.encryption_choice_none:
2092                handleEncryptionSelection(item);
2093                break;
2094            case R.id.attach_choose_picture:
2095            case R.id.attach_take_picture:
2096            case R.id.attach_record_video:
2097            case R.id.attach_choose_file:
2098            case R.id.attach_record_voice:
2099            case R.id.attach_location:
2100                handleAttachmentSelection(item);
2101                break;
2102            case R.id.attach_webxdc:
2103                final Intent intent = new Intent(getActivity(), WebxdcStore.class);
2104                startActivityForResult(intent, REQUEST_WEBXDC_STORE);
2105                break;
2106            case R.id.attach_subject:
2107                binding.textinputSubject.setVisibility(binding.textinputSubject.getVisibility() == View.GONE ? View.VISIBLE : View.GONE);
2108                break;
2109            case R.id.attach_schedule:
2110                scheduleMessage();
2111                break;
2112            case R.id.action_search:
2113                startSearch();
2114                break;
2115            case R.id.action_archive:
2116                activity.xmppConnectionService.archiveConversation(conversation);
2117                break;
2118            case R.id.action_contact_details:
2119                activity.switchToContactDetails(conversation.getContact());
2120                break;
2121            case R.id.action_muc_details:
2122                ConferenceDetailsActivity.open(activity, conversation);
2123                break;
2124            case R.id.action_invite:
2125                startActivityForResult(
2126                        ChooseContactActivity.create(activity, conversation),
2127                        REQUEST_INVITE_TO_CONVERSATION);
2128                break;
2129            case R.id.action_clear_history:
2130                clearHistoryDialog(conversation);
2131                break;
2132            case R.id.action_mute:
2133                muteConversationDialog(conversation);
2134                break;
2135            case R.id.action_unmute:
2136                unMuteConversation(conversation);
2137                break;
2138            case R.id.action_block:
2139            case R.id.action_unblock:
2140                BlockContactDialog.show(activity, conversation);
2141                break;
2142            case R.id.action_audio_call:
2143                checkPermissionAndTriggerAudioCall();
2144                break;
2145            case R.id.action_video_call:
2146                checkPermissionAndTriggerVideoCall();
2147                break;
2148            case R.id.action_ongoing_call:
2149                returnToOngoingCall();
2150                break;
2151            case R.id.action_toggle_pinned:
2152                togglePinned();
2153                break;
2154            case R.id.action_add_shortcut:
2155                addShortcut();
2156                break;
2157            case R.id.action_block_avatar:
2158                new AlertDialog.Builder(activity)
2159                    .setTitle(R.string.block_media)
2160                    .setMessage("Do you really want to block this avatar?")
2161                    .setPositiveButton(R.string.yes, (dialog, whichButton) -> {
2162                            activity.xmppConnectionService.blockMedia(activity.xmppConnectionService.getFileBackend().getAvatarFile(conversation.getContact().getAvatarFilename()));
2163                            activity.xmppConnectionService.getFileBackend().getAvatarFile(conversation.getContact().getAvatarFilename()).delete();
2164                            activity.avatarService().clear(conversation);
2165                            conversation.getContact().setAvatar(null);
2166                            activity.xmppConnectionService.updateConversationUi();
2167                    })
2168                    .setNegativeButton(R.string.no, null).show();
2169            case R.id.action_refresh_feature_discovery:
2170                refreshFeatureDiscovery();
2171                break;
2172            default:
2173                break;
2174        }
2175        return super.onOptionsItemSelected(item);
2176    }
2177
2178    public boolean onBackPressed() {
2179        boolean wasLocked = conversation.getLockThread();
2180        conversation.setLockThread(false);
2181        backPressedLeaveSingleThread.setEnabled(false);
2182        if (wasLocked) {
2183            setThread(null);
2184            conversation.setUserSelectedThread(false);
2185            refresh();
2186            updateThreadFromLastMessage();
2187            return true;
2188        }
2189        return false;
2190    }
2191
2192    private void startSearch() {
2193        final Intent intent = new Intent(getActivity(), SearchActivity.class);
2194        intent.putExtra(SearchActivity.EXTRA_CONVERSATION_UUID, conversation.getUuid());
2195        startActivity(intent);
2196    }
2197
2198    private void scheduleMessage() {
2199        if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.N) {
2200            final var datePicker = com.google.android.material.datepicker.MaterialDatePicker.Builder.datePicker()
2201                .setTitleText("Schedule Message")
2202                .setSelection(com.google.android.material.datepicker.MaterialDatePicker.todayInUtcMilliseconds())
2203                .setCalendarConstraints(
2204                    new com.google.android.material.datepicker.CalendarConstraints.Builder()
2205                        .setStart(com.google.android.material.datepicker.MaterialDatePicker.todayInUtcMilliseconds())
2206                        .build()
2207                 )
2208                .build();
2209            datePicker.addOnPositiveButtonClickListener((date) -> {
2210                final Calendar now = Calendar.getInstance();
2211                final var timePicker = new com.google.android.material.timepicker.MaterialTimePicker.Builder()
2212                    .setTitleText("Schedule Message")
2213                    .setHour(now.get(Calendar.HOUR_OF_DAY))
2214                    .setMinute(now.get(Calendar.MINUTE))
2215                    .setTimeFormat(android.text.format.DateFormat.is24HourFormat(activity) ? com.google.android.material.timepicker.TimeFormat.CLOCK_24H : com.google.android.material.timepicker.TimeFormat.CLOCK_12H)
2216                    .build();
2217                timePicker.addOnPositiveButtonClickListener((v2) -> {
2218                        final var dateCal = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
2219                        dateCal.setTimeInMillis(date);
2220                        final var time = Calendar.getInstance();
2221                        time.set(dateCal.get(Calendar.YEAR), dateCal.get(Calendar.MONTH), dateCal.get(Calendar.DAY_OF_MONTH), timePicker.getHour(), timePicker.getMinute(), 0);
2222                        final long timestamp = time.getTimeInMillis();
2223                        sendMessage(timestamp);
2224                        Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": scheduled message for " + timestamp);
2225                    });
2226                timePicker.show(activity.getSupportFragmentManager(), "schedulMessageTime");
2227            });
2228            datePicker.show(activity.getSupportFragmentManager(), "schedulMessageDate");
2229        }
2230    }
2231
2232    private void returnToOngoingCall() {
2233        final Optional<OngoingRtpSession> ongoingRtpSession =
2234                activity.xmppConnectionService
2235                        .getJingleConnectionManager()
2236                        .getOngoingRtpConnection(conversation.getContact());
2237        if (ongoingRtpSession.isPresent()) {
2238            final OngoingRtpSession id = ongoingRtpSession.get();
2239            final Intent intent = new Intent(getActivity(), RtpSessionActivity.class);
2240            intent.setAction(Intent.ACTION_VIEW);
2241            intent.putExtra(
2242                    RtpSessionActivity.EXTRA_ACCOUNT,
2243                    id.getAccount().getJid().asBareJid().toEscapedString());
2244            intent.putExtra(RtpSessionActivity.EXTRA_WITH, id.getWith().toEscapedString());
2245            if (id instanceof AbstractJingleConnection) {
2246                intent.putExtra(RtpSessionActivity.EXTRA_SESSION_ID, id.getSessionId());
2247                startActivity(intent);
2248            } else if (id instanceof JingleConnectionManager.RtpSessionProposal proposal) {
2249                if (Media.audioOnly(proposal.media)) {
2250                    intent.putExtra(
2251                            RtpSessionActivity.EXTRA_LAST_ACTION,
2252                            RtpSessionActivity.ACTION_MAKE_VOICE_CALL);
2253                } else {
2254                    intent.putExtra(
2255                            RtpSessionActivity.EXTRA_LAST_ACTION,
2256                            RtpSessionActivity.ACTION_MAKE_VIDEO_CALL);
2257                }
2258                intent.putExtra(RtpSessionActivity.EXTRA_PROPOSED_SESSION_ID, proposal.sessionId);
2259                startActivity(intent);
2260            }
2261        }
2262    }
2263
2264    private void refreshFeatureDiscovery() {
2265        Set<Map.Entry<String, Presence>> presences = conversation.getContact().getPresences().getPresencesMap().entrySet();
2266        if (presences.isEmpty()) {
2267            presences = new HashSet<>();
2268            presences.add(new AbstractMap.SimpleEntry("", null));
2269        }
2270        for (Map.Entry<String, Presence> entry : presences) {
2271            Jid jid = conversation.getContact().getJid();
2272            if (!entry.getKey().equals("")) jid = jid.withResource(entry.getKey());
2273            activity.xmppConnectionService.fetchCaps(conversation.getAccount(), jid, entry.getValue(), () -> {
2274                if (activity == null) return;
2275                activity.runOnUiThread(() -> {
2276                    refresh();
2277                    refreshCommands(true);
2278                });
2279            });
2280        }
2281    }
2282
2283    private void addShortcut() {
2284        ShortcutInfoCompat info;
2285        if (conversation.getMode() == Conversation.MODE_MULTI) {
2286            info = activity.xmppConnectionService.getShortcutService().getShortcutInfoCompat(conversation.getMucOptions());
2287        } else {
2288            info = activity.xmppConnectionService.getShortcutService().getShortcutInfoCompat(conversation.getContact());
2289        }
2290        ShortcutManagerCompat.requestPinShortcut(activity, info, null);
2291    }
2292
2293    private void togglePinned() {
2294        final boolean pinned =
2295                conversation.getBooleanAttribute(Conversation.ATTRIBUTE_PINNED_ON_TOP, false);
2296        conversation.setAttribute(Conversation.ATTRIBUTE_PINNED_ON_TOP, !pinned);
2297        activity.xmppConnectionService.updateConversation(conversation);
2298        activity.invalidateOptionsMenu();
2299    }
2300
2301    private void checkPermissionAndTriggerAudioCall() {
2302        if (activity.mUseTor || conversation.getAccount().isOnion()) {
2303            Toast.makeText(activity, R.string.disable_tor_to_make_call, Toast.LENGTH_SHORT).show();
2304            return;
2305        }
2306        final List<String> permissions;
2307        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
2308            permissions =
2309                    Arrays.asList(
2310                            Manifest.permission.RECORD_AUDIO,
2311                            Manifest.permission.BLUETOOTH_CONNECT);
2312        } else {
2313            permissions = Collections.singletonList(Manifest.permission.RECORD_AUDIO);
2314        }
2315        if (hasPermissions(REQUEST_START_AUDIO_CALL, permissions)) {
2316            triggerRtpSession(RtpSessionActivity.ACTION_MAKE_VOICE_CALL);
2317        }
2318    }
2319
2320    private void checkPermissionAndTriggerVideoCall() {
2321        if (activity.mUseTor || conversation.getAccount().isOnion()) {
2322            Toast.makeText(activity, R.string.disable_tor_to_make_call, Toast.LENGTH_SHORT).show();
2323            return;
2324        }
2325        final List<String> permissions;
2326        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
2327            permissions =
2328                    Arrays.asList(
2329                            Manifest.permission.RECORD_AUDIO,
2330                            Manifest.permission.CAMERA,
2331                            Manifest.permission.BLUETOOTH_CONNECT);
2332        } else {
2333            permissions =
2334                    Arrays.asList(Manifest.permission.RECORD_AUDIO, Manifest.permission.CAMERA);
2335        }
2336        if (hasPermissions(REQUEST_START_VIDEO_CALL, permissions)) {
2337            triggerRtpSession(RtpSessionActivity.ACTION_MAKE_VIDEO_CALL);
2338        }
2339    }
2340
2341    private void triggerRtpSession(final String action) {
2342        if (activity.xmppConnectionService.getJingleConnectionManager().isBusy()) {
2343            Toast.makeText(getActivity(), R.string.only_one_call_at_a_time, Toast.LENGTH_LONG)
2344                    .show();
2345            return;
2346        }
2347        final Account account = conversation.getAccount();
2348        if (account.setOption(Account.OPTION_SOFT_DISABLED, false)) {
2349            activity.xmppConnectionService.updateAccount(account);
2350        }
2351        final Contact contact = conversation.getContact();
2352        if (Config.USE_JINGLE_MESSAGE_INIT && RtpCapability.jmiSupport(contact)) {
2353            triggerRtpSession(contact.getAccount(), contact.getJid().asBareJid(), action);
2354        } else {
2355            final RtpCapability.Capability capability;
2356            if (action.equals(RtpSessionActivity.ACTION_MAKE_VIDEO_CALL)) {
2357                capability = RtpCapability.Capability.VIDEO;
2358            } else {
2359                capability = RtpCapability.Capability.AUDIO;
2360            }
2361            PresenceSelector.selectFullJidForDirectRtpConnection(
2362                    activity,
2363                    contact,
2364                    capability,
2365                    fullJid -> {
2366                        triggerRtpSession(contact.getAccount(), fullJid, action);
2367                    });
2368        }
2369    }
2370
2371    private void triggerRtpSession(final Account account, final Jid with, final String action) {
2372        CallIntegrationConnectionService.placeCall(activity.xmppConnectionService, account,with,RtpSessionActivity.actionToMedia(action));
2373    }
2374
2375    private void handleAttachmentSelection(MenuItem item) {
2376        switch (item.getItemId()) {
2377            case R.id.attach_choose_picture:
2378                attachFile(ATTACHMENT_CHOICE_CHOOSE_IMAGE);
2379                break;
2380            case R.id.attach_take_picture:
2381                attachFile(ATTACHMENT_CHOICE_TAKE_PHOTO);
2382                break;
2383            case R.id.attach_record_video:
2384                attachFile(ATTACHMENT_CHOICE_RECORD_VIDEO);
2385                break;
2386            case R.id.attach_choose_file:
2387                attachFile(ATTACHMENT_CHOICE_CHOOSE_FILE);
2388                break;
2389            case R.id.attach_record_voice:
2390                attachFile(ATTACHMENT_CHOICE_RECORD_VOICE);
2391                break;
2392            case R.id.attach_location:
2393                attachFile(ATTACHMENT_CHOICE_LOCATION);
2394                break;
2395        }
2396    }
2397
2398    private void handleEncryptionSelection(MenuItem item) {
2399        if (conversation == null) {
2400            return;
2401        }
2402        final boolean updated;
2403        switch (item.getItemId()) {
2404            case R.id.encryption_choice_none:
2405                updated = conversation.setNextEncryption(Message.ENCRYPTION_NONE);
2406                item.setChecked(true);
2407                break;
2408            case R.id.encryption_choice_pgp:
2409                if (activity.hasPgp()) {
2410                    if (conversation.getAccount().getPgpSignature() != null) {
2411                        updated = conversation.setNextEncryption(Message.ENCRYPTION_PGP);
2412                        item.setChecked(true);
2413                    } else {
2414                        updated = false;
2415                        activity.announcePgp(
2416                                conversation.getAccount(),
2417                                conversation,
2418                                null,
2419                                activity.onOpenPGPKeyPublished);
2420                    }
2421                } else {
2422                    activity.showInstallPgpDialog();
2423                    updated = false;
2424                }
2425                break;
2426            case R.id.encryption_choice_axolotl:
2427                Log.d(
2428                        Config.LOGTAG,
2429                        AxolotlService.getLogprefix(conversation.getAccount())
2430                                + "Enabled axolotl for Contact "
2431                                + conversation.getContact().getJid());
2432                updated = conversation.setNextEncryption(Message.ENCRYPTION_AXOLOTL);
2433                item.setChecked(true);
2434                break;
2435            default:
2436                updated = conversation.setNextEncryption(Message.ENCRYPTION_NONE);
2437                break;
2438        }
2439        if (updated) {
2440            activity.xmppConnectionService.updateConversation(conversation);
2441        }
2442        updateChatMsgHint();
2443        getActivity().invalidateOptionsMenu();
2444        activity.refreshUi();
2445    }
2446
2447    public void attachFile(final int attachmentChoice) {
2448        attachFile(attachmentChoice, true);
2449    }
2450
2451    public void attachFile(final int attachmentChoice, final boolean updateRecentlyUsed) {
2452        if (attachmentChoice == ATTACHMENT_CHOICE_RECORD_VOICE) {
2453            if (!hasPermissions(
2454                    attachmentChoice,
2455                    Manifest.permission.WRITE_EXTERNAL_STORAGE,
2456                    Manifest.permission.RECORD_AUDIO)) {
2457                return;
2458            }
2459        } else if (attachmentChoice == ATTACHMENT_CHOICE_TAKE_PHOTO
2460                || attachmentChoice == ATTACHMENT_CHOICE_RECORD_VIDEO) {
2461            if (!hasPermissions(
2462                    attachmentChoice,
2463                    Manifest.permission.WRITE_EXTERNAL_STORAGE,
2464                    Manifest.permission.CAMERA)) {
2465                return;
2466            }
2467        } else if (attachmentChoice != ATTACHMENT_CHOICE_LOCATION) {
2468            if (!hasPermissions(attachmentChoice, Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
2469                return;
2470            }
2471        }
2472        if (updateRecentlyUsed) {
2473            storeRecentlyUsedQuickAction(attachmentChoice);
2474        }
2475        final int encryption = conversation.getNextEncryption();
2476        final int mode = conversation.getMode();
2477        if (encryption == Message.ENCRYPTION_PGP) {
2478            if (activity.hasPgp()) {
2479                if (mode == Conversation.MODE_SINGLE
2480                        && conversation.getContact().getPgpKeyId() != 0) {
2481                    activity.xmppConnectionService
2482                            .getPgpEngine()
2483                            .hasKey(
2484                                    conversation.getContact(),
2485                                    new UiCallback<Contact>() {
2486
2487                                        @Override
2488                                        public void userInputRequired(
2489                                                PendingIntent pi, Contact contact) {
2490                                            startPendingIntent(pi, attachmentChoice);
2491                                        }
2492
2493                                        @Override
2494                                        public void success(Contact contact) {
2495                                            invokeAttachFileIntent(attachmentChoice);
2496                                        }
2497
2498                                        @Override
2499                                        public void error(int error, Contact contact) {
2500                                            activity.replaceToast(getString(error));
2501                                        }
2502                                    });
2503                } else if (mode == Conversation.MODE_MULTI
2504                        && conversation.getMucOptions().pgpKeysInUse()) {
2505                    if (!conversation.getMucOptions().everybodyHasKeys()) {
2506                        Toast warning =
2507                                Toast.makeText(
2508                                        getActivity(),
2509                                        R.string.missing_public_keys,
2510                                        Toast.LENGTH_LONG);
2511                        warning.setGravity(Gravity.CENTER_VERTICAL, 0, 0);
2512                        warning.show();
2513                    }
2514                    invokeAttachFileIntent(attachmentChoice);
2515                } else {
2516                    showNoPGPKeyDialog(
2517                            false,
2518                            (dialog, which) -> {
2519                                conversation.setNextEncryption(Message.ENCRYPTION_NONE);
2520                                activity.xmppConnectionService.updateConversation(conversation);
2521                                invokeAttachFileIntent(attachmentChoice);
2522                            });
2523                }
2524            } else {
2525                activity.showInstallPgpDialog();
2526            }
2527        } else {
2528            invokeAttachFileIntent(attachmentChoice);
2529        }
2530    }
2531
2532    private void storeRecentlyUsedQuickAction(final int attachmentChoice) {
2533        try {
2534            activity.getPreferences()
2535                    .edit()
2536                    .putString(
2537                            RECENTLY_USED_QUICK_ACTION,
2538                            SendButtonAction.of(attachmentChoice).toString())
2539                    .apply();
2540        } catch (IllegalArgumentException e) {
2541            // just do not save
2542        }
2543    }
2544
2545    @Override
2546    public void onRequestPermissionsResult(
2547            int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
2548        final PermissionUtils.PermissionResult permissionResult =
2549                PermissionUtils.removeBluetoothConnect(permissions, grantResults);
2550        if (grantResults.length > 0) {
2551            if (allGranted(permissionResult.grantResults)) {
2552                switch (requestCode) {
2553                    case REQUEST_START_DOWNLOAD:
2554                        if (this.mPendingDownloadableMessage != null) {
2555                            startDownloadable(this.mPendingDownloadableMessage);
2556                        }
2557                        break;
2558                    case REQUEST_ADD_EDITOR_CONTENT:
2559                        if (this.mPendingEditorContent != null) {
2560                            attachEditorContentToConversation(this.mPendingEditorContent);
2561                        }
2562                        break;
2563                    case REQUEST_COMMIT_ATTACHMENTS:
2564                        commitAttachments();
2565                        break;
2566                    case REQUEST_START_AUDIO_CALL:
2567                        triggerRtpSession(RtpSessionActivity.ACTION_MAKE_VOICE_CALL);
2568                        break;
2569                    case REQUEST_START_VIDEO_CALL:
2570                        triggerRtpSession(RtpSessionActivity.ACTION_MAKE_VIDEO_CALL);
2571                        break;
2572                    default:
2573                        attachFile(requestCode);
2574                        break;
2575                }
2576            } else {
2577                @StringRes int res;
2578                String firstDenied =
2579                        getFirstDenied(permissionResult.grantResults, permissionResult.permissions);
2580                if (Manifest.permission.RECORD_AUDIO.equals(firstDenied)) {
2581                    res = R.string.no_microphone_permission;
2582                } else if (Manifest.permission.CAMERA.equals(firstDenied)) {
2583                    res = R.string.no_camera_permission;
2584                } else {
2585                    res = R.string.no_storage_permission;
2586                }
2587                Toast.makeText(
2588                                getActivity(),
2589                                getString(res, getString(R.string.app_name)),
2590                                Toast.LENGTH_SHORT)
2591                        .show();
2592            }
2593        }
2594        if (writeGranted(grantResults, permissions)) {
2595            if (activity != null && activity.xmppConnectionService != null) {
2596                activity.xmppConnectionService.getDrawableCache().evictAll();
2597                activity.xmppConnectionService.restartFileObserver();
2598            }
2599            refresh();
2600        }
2601        if (cameraGranted(grantResults, permissions) || audioGranted(grantResults, permissions)) {
2602            XmppConnectionService.toggleForegroundService(activity);
2603        }
2604    }
2605
2606    public void startDownloadable(Message message) {
2607        if (!hasPermissions(REQUEST_START_DOWNLOAD, Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
2608            this.mPendingDownloadableMessage = message;
2609            return;
2610        }
2611        Transferable transferable = message.getTransferable();
2612        if (transferable != null) {
2613            if (transferable instanceof TransferablePlaceholder && message.hasFileOnRemoteHost()) {
2614                createNewConnection(message);
2615                return;
2616            }
2617            if (!transferable.start()) {
2618                Log.d(Config.LOGTAG, "type: " + transferable.getClass().getName());
2619                Toast.makeText(getActivity(), R.string.not_connected_try_again, Toast.LENGTH_SHORT)
2620                        .show();
2621            }
2622        } else if (message.treatAsDownloadable()
2623                || message.hasFileOnRemoteHost()
2624                || MessageUtils.unInitiatedButKnownSize(message)) {
2625            createNewConnection(message);
2626        } else {
2627            Log.d(
2628                    Config.LOGTAG,
2629                    message.getConversation().getAccount() + ": unable to start downloadable");
2630        }
2631    }
2632
2633    private void createNewConnection(final Message message) {
2634        if (!activity.xmppConnectionService.hasInternetConnection()) {
2635            Toast.makeText(getActivity(), R.string.not_connected_try_again, Toast.LENGTH_SHORT)
2636                    .show();
2637            return;
2638        }
2639        if (message.getOob() != null && "cid".equalsIgnoreCase(message.getOob().getScheme())) {
2640            try {
2641                BobTransfer transfer = new BobTransfer.ForMessage(message, activity.xmppConnectionService);
2642                message.setTransferable(transfer);
2643                transfer.start();
2644            } catch (URISyntaxException e) {
2645                Log.d(Config.LOGTAG, "BobTransfer failed to parse URI");
2646            }
2647        } else {
2648            activity.xmppConnectionService
2649                    .getHttpConnectionManager()
2650                    .createNewDownloadConnection(message, true);
2651        }
2652    }
2653
2654    @SuppressLint("InflateParams")
2655    protected void clearHistoryDialog(final Conversation conversation) {
2656        final MaterialAlertDialogBuilder builder = new MaterialAlertDialogBuilder(requireActivity());
2657        builder.setTitle(R.string.clear_conversation_history);
2658        final View dialogView =
2659                requireActivity().getLayoutInflater().inflate(R.layout.dialog_clear_history, null);
2660        final CheckBox endConversationCheckBox =
2661                dialogView.findViewById(R.id.end_conversation_checkbox);
2662        builder.setView(dialogView);
2663        builder.setNegativeButton(getString(R.string.cancel), null);
2664        builder.setPositiveButton(
2665                getString(R.string.confirm),
2666                (dialog, which) -> {
2667                    this.activity.xmppConnectionService.clearConversationHistory(conversation);
2668                    if (endConversationCheckBox.isChecked()) {
2669                        this.activity.xmppConnectionService.archiveConversation(conversation);
2670                        this.activity.onConversationArchived(conversation);
2671                    } else {
2672                        activity.onConversationsListItemUpdated();
2673                        refresh();
2674                    }
2675                });
2676        builder.create().show();
2677    }
2678
2679    protected void muteConversationDialog(final Conversation conversation) {
2680        final MaterialAlertDialogBuilder builder = new MaterialAlertDialogBuilder(requireActivity());
2681        builder.setTitle(R.string.disable_notifications);
2682        final int[] durations = activity.getResources().getIntArray(R.array.mute_options_durations);
2683        final CharSequence[] labels = new CharSequence[durations.length];
2684        for (int i = 0; i < durations.length; ++i) {
2685            if (durations[i] == -1) {
2686                labels[i] = activity.getString(R.string.until_further_notice);
2687            } else {
2688                labels[i] = TimeFrameUtils.resolve(activity, 1000L * durations[i]);
2689            }
2690        }
2691        builder.setItems(
2692                labels,
2693                (dialog, which) -> {
2694                    final long till;
2695                    if (durations[which] == -1) {
2696                        till = Long.MAX_VALUE;
2697                    } else {
2698                        till = System.currentTimeMillis() + (durations[which] * 1000L);
2699                    }
2700                    conversation.setMutedTill(till);
2701                    activity.xmppConnectionService.updateConversation(conversation);
2702                    activity.onConversationsListItemUpdated();
2703                    refresh();
2704                    activity.invalidateOptionsMenu();
2705                });
2706        builder.create().show();
2707    }
2708
2709    private boolean hasPermissions(int requestCode, List<String> permissions) {
2710        final List<String> missingPermissions = new ArrayList<>();
2711        for (String permission : permissions) {
2712            if ((Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU || Config.ONLY_INTERNAL_STORAGE) && permission.equals(Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
2713                continue;
2714            }
2715            if (activity.checkSelfPermission(permission) != PackageManager.PERMISSION_GRANTED) {
2716                missingPermissions.add(permission);
2717            }
2718        }
2719        if (missingPermissions.size() == 0) {
2720            return true;
2721        } else {
2722            requestPermissions(
2723                    missingPermissions.toArray(new String[0]),
2724                    requestCode);
2725            return false;
2726        }
2727    }
2728
2729    private boolean hasPermissions(int requestCode, String... permissions) {
2730        return hasPermissions(requestCode, ImmutableList.copyOf(permissions));
2731    }
2732
2733    public void unMuteConversation(final Conversation conversation) {
2734        conversation.setMutedTill(0);
2735        this.activity.xmppConnectionService.updateConversation(conversation);
2736        this.activity.onConversationsListItemUpdated();
2737        refresh();
2738        this.activity.invalidateOptionsMenu();
2739    }
2740
2741    protected void invokeAttachFileIntent(final int attachmentChoice) {
2742        Intent intent = new Intent();
2743        boolean chooser = false;
2744        switch (attachmentChoice) {
2745            case ATTACHMENT_CHOICE_CHOOSE_IMAGE:
2746                intent.setAction(Intent.ACTION_GET_CONTENT);
2747                intent.putExtra(Intent.EXTRA_ALLOW_MULTIPLE, true);
2748                intent.setType("image/*");
2749                chooser = true;
2750                break;
2751            case ATTACHMENT_CHOICE_RECORD_VIDEO:
2752                intent.setAction(MediaStore.ACTION_VIDEO_CAPTURE);
2753                break;
2754            case ATTACHMENT_CHOICE_TAKE_PHOTO:
2755                final Uri uri = activity.xmppConnectionService.getFileBackend().getTakePhotoUri();
2756                pendingTakePhotoUri.push(uri);
2757                intent.putExtra(MediaStore.EXTRA_OUTPUT, uri);
2758                intent.addFlags(Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
2759                intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
2760                intent.setAction(MediaStore.ACTION_IMAGE_CAPTURE);
2761                break;
2762            case ATTACHMENT_CHOICE_CHOOSE_FILE:
2763                chooser = true;
2764                intent.setType("*/*");
2765                intent.putExtra(Intent.EXTRA_ALLOW_MULTIPLE, true);
2766                intent.addCategory(Intent.CATEGORY_OPENABLE);
2767                intent.setAction(Intent.ACTION_GET_CONTENT);
2768                break;
2769            case ATTACHMENT_CHOICE_RECORD_VOICE:
2770                intent = new Intent(getActivity(), RecordingActivity.class);
2771                break;
2772            case ATTACHMENT_CHOICE_LOCATION:
2773                intent = GeoHelper.getFetchIntent(activity);
2774                break;
2775        }
2776        final Context context = getActivity();
2777        if (context == null) {
2778            return;
2779        }
2780        try {
2781            if (chooser) {
2782                startActivityForResult(
2783                        Intent.createChooser(intent, getString(R.string.perform_action_with)),
2784                        attachmentChoice);
2785            } else {
2786                startActivityForResult(intent, attachmentChoice);
2787            }
2788        } catch (final ActivityNotFoundException e) {
2789            Toast.makeText(context, R.string.no_application_found, Toast.LENGTH_LONG).show();
2790        }
2791    }
2792
2793    @Override
2794    public void onResume() {
2795        super.onResume();
2796        binding.messagesView.post(this::fireReadEvent);
2797    }
2798
2799    private void fireReadEvent() {
2800        if (activity != null && this.conversation != null) {
2801            String uuid = getLastVisibleMessageUuid();
2802            if (uuid != null) {
2803                activity.onConversationRead(this.conversation, uuid);
2804            }
2805        }
2806    }
2807
2808    private void newSubThread() {
2809        Element oldThread = conversation.getThread();
2810        Element thread = new Element("thread", "jabber:client");
2811        thread.setContent(UUID.randomUUID().toString());
2812        if (oldThread != null) thread.setAttribute("parent", oldThread.getContent());
2813        setThread(thread);
2814    }
2815
2816    private void newThread() {
2817        Element thread = new Element("thread", "jabber:client");
2818        thread.setContent(UUID.randomUUID().toString());
2819        setThread(thread);
2820    }
2821
2822    private void updateThreadFromLastMessage() {
2823        if (this.conversation != null && !this.conversation.getUserSelectedThread() && TextUtils.isEmpty(binding.textinput.getText())) {
2824            Message message = getLastVisibleMessage();
2825            if (message == null) {
2826                newThread();
2827            } else {
2828                if (conversation.getMode() == Conversation.MODE_MULTI) {
2829                    if (activity == null || activity.xmppConnectionService == null) return;
2830                    if (message.getStatus() < Message.STATUS_SEND) {
2831                        if (!activity.xmppConnectionService.getBooleanPreference("follow_thread_in_channel", R.bool.follow_thread_in_channel)) return;
2832                    }
2833                }
2834
2835                setThread(message.getThread());
2836            }
2837        }
2838    }
2839
2840    private String getLastVisibleMessageUuid() {
2841        Message message =  getLastVisibleMessage();
2842        return message == null ? null : message.getUuid();
2843    }
2844
2845    private Message getLastVisibleMessage() {
2846        if (binding == null) {
2847            return null;
2848        }
2849        synchronized (this.messageList) {
2850            int pos = binding.messagesView.getLastVisiblePosition();
2851            if (pos >= 0) {
2852                Message message = null;
2853                for (int i = pos; i >= 0; --i) {
2854                    try {
2855                        message = (Message) binding.messagesView.getItemAtPosition(i);
2856                    } catch (IndexOutOfBoundsException e) {
2857                        // should not happen if we synchronize properly. however if that fails we
2858                        // just gonna try item -1
2859                        continue;
2860                    }
2861                    if (message.getType() != Message.TYPE_STATUS) {
2862                        break;
2863                    }
2864                }
2865                if (message != null) {
2866                    while (message.next() != null && message.next().wasMergedIntoPrevious(activity == null ? null : activity.xmppConnectionService)) {
2867                        message = message.next();
2868                    }
2869                    return message;
2870                }
2871            }
2872        }
2873        return null;
2874    }
2875
2876    public void jumpTo(final Message message) {
2877        if (message.getUuid() == null) return;
2878        for (int i = 0; i < messageList.size(); i++) {
2879            final var m = messageList.get(i);
2880            if (m == null) continue;
2881            if (message.getUuid().equals(m.getUuid())) {
2882                binding.messagesView.setSelection(i);
2883                return;
2884            }
2885        }
2886    }
2887
2888    private void openWith(final Message message) {
2889        if (message.isGeoUri()) {
2890            GeoHelper.view(getActivity(), message);
2891        } else {
2892            final DownloadableFile file =
2893                    activity.xmppConnectionService.getFileBackend().getFile(message);
2894            ViewUtil.view(activity, file);
2895        }
2896    }
2897
2898    private void addReaction(final Message message) {
2899        activity.addReaction(message, reactions -> activity.xmppConnectionService.sendReactions(message, reactions));
2900    }
2901
2902    private void reportMessage(final Message message) {
2903        BlockContactDialog.show(activity, conversation.getContact(), message.getServerMsgId());
2904    }
2905
2906    private void showErrorMessage(final Message message) {
2907        final MaterialAlertDialogBuilder builder = new MaterialAlertDialogBuilder(requireActivity());
2908        builder.setTitle(R.string.error_message);
2909        final String errorMessage = message.getErrorMessage();
2910        final String[] errorMessageParts =
2911                errorMessage == null ? new String[0] : errorMessage.split("\\u001f");
2912        final String displayError;
2913        if (errorMessageParts.length == 2) {
2914            displayError = errorMessageParts[1];
2915        } else {
2916            displayError = errorMessage;
2917        }
2918        builder.setMessage(displayError);
2919        builder.setNegativeButton(
2920                R.string.copy_to_clipboard,
2921                (dialog, which) -> {
2922                    activity.copyTextToClipboard(displayError, R.string.error_message);
2923                    Toast.makeText(
2924                                    activity,
2925                                    R.string.error_message_copied_to_clipboard,
2926                                    Toast.LENGTH_SHORT)
2927                            .show();
2928                });
2929        builder.setPositiveButton(R.string.confirm, null);
2930        builder.create().show();
2931    }
2932
2933    public boolean onInlineImageLongClicked(Cid cid) {
2934        DownloadableFile f = activity.xmppConnectionService.getFileForCid(cid);
2935        if (f == null) return false;
2936
2937        saveAsSticker(f, null);
2938        return true;
2939    }
2940
2941    private void saveAsSticker(final Message m) {
2942        String existingName = m.getFileParams() != null && m.getFileParams().getName() != null ? m.getFileParams().getName() : "";
2943        existingName = existingName.lastIndexOf(".") == -1 ? existingName : existingName.substring(0, existingName.lastIndexOf("."));
2944        saveAsSticker(activity.xmppConnectionService.getFileBackend().getFile(m), existingName);
2945    }
2946
2947    private void saveAsSticker(final File file, final String name) {
2948        savingAsSticker = file;
2949
2950        Intent intent = new Intent(Intent.ACTION_CREATE_DOCUMENT);
2951        intent.addCategory(Intent.CATEGORY_OPENABLE);
2952        intent.setType(MimeUtils.guessMimeTypeFromUri(activity, activity.xmppConnectionService.getFileBackend().getUriForFile(activity, file)));
2953        intent.putExtra(Intent.EXTRA_TITLE, name);
2954
2955        SharedPreferences p = PreferenceManager.getDefaultSharedPreferences(activity);
2956        final String dir = p.getString("sticker_directory", "Stickers");
2957        if (dir.startsWith("content://")) {
2958            intent.putExtra("android.provider.extra.INITIAL_URI", Uri.parse(dir));
2959        } else {
2960            new File(Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES) + "/" + dir + "/User Pack").mkdirs();
2961            Uri uri;
2962            if (Build.VERSION.SDK_INT >= 29) {
2963                Intent tmp = ((StorageManager) activity.getSystemService(Context.STORAGE_SERVICE)).getPrimaryStorageVolume().createOpenDocumentTreeIntent();
2964                uri = tmp.getParcelableExtra("android.provider.extra.INITIAL_URI");
2965                uri = Uri.parse(uri.toString().replace("/root/", "/document/") + "%3APictures%2F" + dir);
2966            } else {
2967                uri = Uri.parse("content://com.android.externalstorage.documents/document/primary%3APictures%2F" + dir);
2968            }
2969            intent.putExtra("android.provider.extra.INITIAL_URI", uri);
2970            intent.putExtra("android.content.extra.SHOW_ADVANCED", true);
2971        }
2972
2973        Toast.makeText(activity, "Choose a sticker pack to add this sticker to", Toast.LENGTH_SHORT).show();
2974        startActivityForResult(Intent.createChooser(intent, "Choose sticker pack"), REQUEST_SAVE_STICKER);
2975    }
2976
2977    private void deleteFile(final Message message) {
2978        final MaterialAlertDialogBuilder builder = new MaterialAlertDialogBuilder(requireActivity());
2979        builder.setNegativeButton(R.string.cancel, null);
2980        builder.setTitle(R.string.delete_file_dialog);
2981        builder.setMessage(R.string.delete_file_dialog_msg);
2982        builder.setPositiveButton(
2983                R.string.confirm,
2984                (dialog, which) -> {
2985                    List<Element> thumbs = selectedMessage.getFileParams() != null ? selectedMessage.getFileParams().getThumbnails() : null;
2986                    if (thumbs != null && !thumbs.isEmpty()) {
2987                        for (Element thumb : thumbs) {
2988                            Uri uri = Uri.parse(thumb.getAttribute("uri"));
2989                            if (uri.getScheme().equals("cid")) {
2990                                Cid cid = BobTransfer.cid(uri);
2991                                if (cid == null) continue;
2992                                DownloadableFile f = activity.xmppConnectionService.getFileForCid(cid);
2993                                activity.xmppConnectionService.evictPreview(f);
2994                                f.delete();
2995                            }
2996                        }
2997                    }
2998                    if (activity.xmppConnectionService.getFileBackend().deleteFile(message)) {
2999                        activity.xmppConnectionService.evictPreview(activity.xmppConnectionService.getFileBackend().getFile(message));
3000                        activity.xmppConnectionService.updateMessage(message, false);
3001                        activity.onConversationsListItemUpdated();
3002                        refresh();
3003                    }
3004                });
3005        builder.create().show();
3006    }
3007
3008    private void resendMessage(final Message message) {
3009        if (message.isFileOrImage()) {
3010            if (!(message.getConversation() instanceof Conversation)) {
3011                return;
3012            }
3013            final Conversation conversation = (Conversation) message.getConversation();
3014            final DownloadableFile file =
3015                    activity.xmppConnectionService.getFileBackend().getFile(message);
3016            if ((file.exists() && file.canRead()) || message.hasFileOnRemoteHost()) {
3017                final XmppConnection xmppConnection = conversation.getAccount().getXmppConnection();
3018                if (!message.hasFileOnRemoteHost()
3019                        && xmppConnection != null
3020                        && conversation.getMode() == Conversational.MODE_SINGLE
3021                        && !xmppConnection
3022                                .getFeatures()
3023                                .httpUpload(message.getFileParams().getSize())) {
3024                    activity.selectPresence(
3025                            conversation,
3026                            () -> {
3027                                message.setCounterpart(conversation.getNextCounterpart());
3028                                activity.xmppConnectionService.resendFailedMessages(message);
3029                                new Handler()
3030                                        .post(
3031                                                () -> {
3032                                                    int size = messageList.size();
3033                                                    this.binding.messagesView.setSelection(
3034                                                            size - 1);
3035                                                });
3036                            });
3037                    return;
3038                }
3039            } else if (!Compatibility.hasStoragePermission(getActivity())) {
3040                Toast.makeText(activity, R.string.no_storage_permission, Toast.LENGTH_SHORT).show();
3041                return;
3042            } else {
3043                Toast.makeText(activity, R.string.file_deleted, Toast.LENGTH_SHORT).show();
3044                message.setDeleted(true);
3045                activity.xmppConnectionService.updateMessage(message, false);
3046                activity.onConversationsListItemUpdated();
3047                refresh();
3048                return;
3049            }
3050        }
3051        activity.xmppConnectionService.resendFailedMessages(message);
3052        new Handler()
3053                .post(
3054                        () -> {
3055                            int size = messageList.size();
3056                            this.binding.messagesView.setSelection(size - 1);
3057                        });
3058    }
3059
3060    private void cancelTransmission(Message message) {
3061        Transferable transferable = message.getTransferable();
3062        if (transferable != null) {
3063            transferable.cancel();
3064        } else if (message.getStatus() != Message.STATUS_RECEIVED) {
3065            activity.xmppConnectionService.markMessage(
3066                    message, Message.STATUS_SEND_FAILED, Message.ERROR_MESSAGE_CANCELLED);
3067        }
3068    }
3069
3070    private void retryDecryption(Message message) {
3071        message.setEncryption(Message.ENCRYPTION_PGP);
3072        activity.onConversationsListItemUpdated();
3073        refresh();
3074        conversation.getAccount().getPgpDecryptionService().decrypt(message, false);
3075    }
3076
3077    public void privateMessageWith(final Jid counterpart) {
3078        if (conversation.setOutgoingChatState(Config.DEFAULT_CHAT_STATE)) {
3079            activity.xmppConnectionService.sendChatState(conversation);
3080        }
3081        this.binding.textinput.setText("");
3082        this.conversation.setNextCounterpart(counterpart);
3083        updateChatMsgHint();
3084        updateSendButton();
3085        updateEditablity();
3086    }
3087
3088    private void correctMessage(Message message) {
3089        while (message.mergeable(message.next())) {
3090            message = message.next();
3091        }
3092        setThread(message.getThread());
3093        conversation.setUserSelectedThread(true);
3094        this.conversation.setCorrectingMessage(message);
3095        final Editable editable = binding.textinput.getText();
3096        this.conversation.setDraftMessage(editable.toString());
3097        this.binding.textinput.setText("");
3098        this.binding.textinput.append(message.getBody(true));
3099        if (message.getSubject() != null && message.getSubject().length() > 0) {
3100            this.binding.textinputSubject.setText(message.getSubject());
3101            this.binding.textinputSubject.setVisibility(View.VISIBLE);
3102        }
3103        final var replyTo = message.getInReplyTo();
3104        if (replyTo != null) {
3105            setupReply(replyTo);
3106        }
3107    }
3108
3109    private void highlightInConference(String nick) {
3110        final Editable editable = this.binding.textinput.getText();
3111        String oldString = editable.toString().trim();
3112        final int pos = this.binding.textinput.getSelectionStart();
3113        if (oldString.isEmpty() || pos == 0) {
3114            editable.insert(0, nick + ": ");
3115        } else {
3116            final char before = editable.charAt(pos - 1);
3117            final char after = editable.length() > pos ? editable.charAt(pos) : '\0';
3118            if (before == '\n') {
3119                editable.insert(pos, nick + ": ");
3120            } else {
3121                if (pos > 2 && editable.subSequence(pos - 2, pos).toString().equals(": ")) {
3122                    if (NickValidityChecker.check(
3123                            conversation,
3124                            Arrays.asList(
3125                                    editable.subSequence(0, pos - 2).toString().split(", ")))) {
3126                        editable.insert(pos - 2, ", " + nick);
3127                        return;
3128                    }
3129                }
3130                editable.insert(
3131                        pos,
3132                        (Character.isWhitespace(before) ? "" : " ")
3133                                + nick
3134                                + (Character.isWhitespace(after) ? "" : " "));
3135                if (Character.isWhitespace(after)) {
3136                    this.binding.textinput.setSelection(
3137                            this.binding.textinput.getSelectionStart() + 1);
3138                }
3139            }
3140        }
3141    }
3142
3143    @Override
3144    public void startActivityForResult(Intent intent, int requestCode) {
3145        final Activity activity = getActivity();
3146        if (activity instanceof ConversationsActivity) {
3147            ((ConversationsActivity) activity).clearPendingViewIntent();
3148        }
3149        super.startActivityForResult(intent, requestCode);
3150    }
3151
3152    @Override
3153    public void onSaveInstanceState(@NonNull Bundle outState) {
3154        super.onSaveInstanceState(outState);
3155        if (conversation != null) {
3156            outState.putString(STATE_CONVERSATION_UUID, conversation.getUuid());
3157            outState.putString(STATE_LAST_MESSAGE_UUID, lastMessageUuid);
3158            final Uri uri = pendingTakePhotoUri.peek();
3159            if (uri != null) {
3160                outState.putString(STATE_PHOTO_URI, uri.toString());
3161            }
3162            final ScrollState scrollState = getScrollPosition();
3163            if (scrollState != null) {
3164                outState.putParcelable(STATE_SCROLL_POSITION, scrollState);
3165            }
3166            final ArrayList<Attachment> attachments =
3167                    mediaPreviewAdapter == null
3168                            ? new ArrayList<>()
3169                            : mediaPreviewAdapter.getAttachments();
3170            if (attachments.size() > 0) {
3171                outState.putParcelableArrayList(STATE_MEDIA_PREVIEWS, attachments);
3172            }
3173        }
3174    }
3175
3176    @Override
3177    public void onActivityCreated(Bundle savedInstanceState) {
3178        super.onActivityCreated(savedInstanceState);
3179        if (savedInstanceState == null) {
3180            return;
3181        }
3182        String uuid = savedInstanceState.getString(STATE_CONVERSATION_UUID);
3183        ArrayList<Attachment> attachments =
3184                savedInstanceState.getParcelableArrayList(STATE_MEDIA_PREVIEWS);
3185        pendingLastMessageUuid.push(savedInstanceState.getString(STATE_LAST_MESSAGE_UUID, null));
3186        if (uuid != null) {
3187            QuickLoader.set(uuid);
3188            this.pendingConversationsUuid.push(uuid);
3189            if (attachments != null && attachments.size() > 0) {
3190                this.pendingMediaPreviews.push(attachments);
3191            }
3192            String takePhotoUri = savedInstanceState.getString(STATE_PHOTO_URI);
3193            if (takePhotoUri != null) {
3194                pendingTakePhotoUri.push(Uri.parse(takePhotoUri));
3195            }
3196            pendingScrollState.push(savedInstanceState.getParcelable(STATE_SCROLL_POSITION));
3197        }
3198    }
3199
3200    @Override
3201    public void onStart() {
3202        super.onStart();
3203        if (this.reInitRequiredOnStart && this.conversation != null) {
3204            final Bundle extras = pendingExtras.pop();
3205            reInit(this.conversation, extras != null);
3206            if (extras != null) {
3207                processExtras(extras);
3208            }
3209        } else if (conversation == null
3210                && activity != null
3211                && activity.xmppConnectionService != null) {
3212            final String uuid = pendingConversationsUuid.pop();
3213            Log.d(
3214                    Config.LOGTAG,
3215                    "ConversationFragment.onStart() - activity was bound but no conversation loaded. uuid="
3216                            + uuid);
3217            if (uuid != null) {
3218                findAndReInitByUuidOrArchive(uuid);
3219            }
3220        }
3221    }
3222
3223    @Override
3224    public void onStop() {
3225        super.onStop();
3226        final Activity activity = getActivity();
3227        messageListAdapter.unregisterListenerInAudioPlayer();
3228        if (activity == null || !activity.isChangingConfigurations()) {
3229            hideSoftKeyboard(activity);
3230            messageListAdapter.stopAudioPlayer();
3231        }
3232        if (this.conversation != null) {
3233            final String msg = this.binding.textinput.getText().toString();
3234            storeNextMessage(msg);
3235            updateChatState(this.conversation, msg);
3236            this.activity.xmppConnectionService.getNotificationService().setOpenConversation(null);
3237        }
3238        this.reInitRequiredOnStart = true;
3239    }
3240
3241    private void updateChatState(final Conversation conversation, final String msg) {
3242        ChatState state = msg.length() == 0 ? Config.DEFAULT_CHAT_STATE : ChatState.PAUSED;
3243        Account.State status = conversation.getAccount().getStatus();
3244        if (status == Account.State.ONLINE && conversation.setOutgoingChatState(state)) {
3245            activity.xmppConnectionService.sendChatState(conversation);
3246        }
3247    }
3248
3249    private void saveMessageDraftStopAudioPlayer() {
3250        final Conversation previousConversation = this.conversation;
3251        if (this.activity == null || this.binding == null || previousConversation == null) {
3252            return;
3253        }
3254        Log.d(Config.LOGTAG, "ConversationFragment.saveMessageDraftStopAudioPlayer()");
3255        final String msg = this.binding.textinput.getText().toString();
3256        storeNextMessage(msg);
3257        updateChatState(this.conversation, msg);
3258        messageListAdapter.stopAudioPlayer();
3259        mediaPreviewAdapter.clearPreviews();
3260        toggleInputMethod();
3261    }
3262
3263    public void reInit(final Conversation conversation, final Bundle extras) {
3264        QuickLoader.set(conversation.getUuid());
3265        final boolean changedConversation = this.conversation != conversation;
3266        if (changedConversation) {
3267            this.saveMessageDraftStopAudioPlayer();
3268        }
3269        this.clearPending();
3270        if (this.reInit(conversation, extras != null)) {
3271            if (extras != null) {
3272                processExtras(extras);
3273            }
3274            this.reInitRequiredOnStart = false;
3275        } else {
3276            this.reInitRequiredOnStart = true;
3277            pendingExtras.push(extras);
3278        }
3279        resetUnreadMessagesCount();
3280    }
3281
3282    private void reInit(Conversation conversation) {
3283        reInit(conversation, false);
3284    }
3285
3286    private boolean reInit(final Conversation conversation, final boolean hasExtras) {
3287        if (conversation == null) {
3288            return false;
3289        }
3290        final Conversation originalConversation = this.conversation;
3291        this.conversation = conversation;
3292        // once we set the conversation all is good and it will automatically do the right thing in
3293        // onStart()
3294        if (this.activity == null || this.binding == null) {
3295            return false;
3296        }
3297
3298        if (!activity.xmppConnectionService.isConversationStillOpen(this.conversation)) {
3299            activity.onConversationArchived(this.conversation);
3300            return false;
3301        }
3302
3303        final var cursord = activity.getDrawable(R.drawable.cursor_on_tertiary_container);
3304        if (activity.xmppConnectionService != null && activity.xmppConnectionService.getAccounts().size() > 1) {
3305            final var bg = MaterialColors.getColor(binding.textinput, com.google.android.material.R.attr.colorSurface);
3306            final var accountColor = conversation.getAccount().getColor(activity.isDark());
3307            final var colors = MaterialColors.getColorRoles(activity, accountColor);
3308            final var accent = activity.isDark() ? ColorUtils.blendARGB(colors.getAccentContainer(), bg, 1.0f - Math.max(0.25f, Color.alpha(accountColor) / 255.0f)) : colors.getAccentContainer();
3309            cursord.setTintList(ColorStateList.valueOf(colors.getOnAccentContainer()));
3310            binding.inputLayout.setBackgroundTintList(ColorStateList.valueOf(accent));
3311            binding.textinputSubject.setTextColor(colors.getOnAccentContainer());
3312            binding.textinput.setTextColor(colors.getOnAccentContainer());
3313            binding.textinputSubject.setHintTextColor(ColorStateList.valueOf(colors.getOnAccentContainer()).withAlpha(115));
3314            binding.textinput.setHintTextColor(ColorStateList.valueOf(colors.getOnAccentContainer()).withAlpha(115));
3315            binding.textInputHint.setTextColor(colors.getOnAccentContainer());
3316        } else {
3317            cursord.setTintList(ColorStateList.valueOf(MaterialColors.getColor(binding.textinput, com.google.android.material.R.attr.colorOnTertiaryContainer)));
3318            binding.inputLayout.setBackgroundTintList(ColorStateList.valueOf(MaterialColors.getColor(binding.inputLayout, com.google.android.material.R.attr.colorTertiaryContainer)));
3319            binding.textinputSubject.setTextColor(MaterialColors.getColor(binding.textinputSubject, com.google.android.material.R.attr.colorOnTertiaryContainer));
3320            binding.textinput.setTextColor(MaterialColors.getColor(binding.textinput, com.google.android.material.R.attr.colorOnTertiaryContainer));
3321            binding.textinputSubject.setHintTextColor(R.color.hint_on_tertiary_container);
3322            binding.textinput.setHintTextColor(R.color.hint_on_tertiary_container);
3323            binding.textInputHint.setTextColor(MaterialColors.getColor(binding.textInputHint, com.google.android.material.R.attr.colorOnTertiaryContainer));
3324        }
3325        if (Build.VERSION.SDK_INT >= 29) {
3326            binding.textinputSubject.setTextCursorDrawable(cursord);
3327            binding.textinput.setTextCursorDrawable(cursord);
3328        }
3329
3330        setThread(conversation.getThread());
3331        setupReply(conversation.getReplyTo());
3332
3333        stopScrolling();
3334        Log.d(Config.LOGTAG, "reInit(hasExtras=" + hasExtras + ")");
3335
3336        if (this.conversation.isRead(activity == null ? null : activity.xmppConnectionService) && hasExtras) {
3337            Log.d(Config.LOGTAG, "trimming conversation");
3338            this.conversation.trim();
3339        }
3340
3341        setupIme();
3342
3343        final boolean scrolledToBottomAndNoPending =
3344                this.scrolledToBottom() && pendingScrollState.peek() == null;
3345
3346        this.binding.textSendButton.setContentDescription(
3347                activity.getString(R.string.send_message_to_x, conversation.getName()));
3348        this.binding.textinput.setKeyboardListener(null);
3349        this.binding.textinputSubject.setKeyboardListener(null);
3350        final boolean participating =
3351                conversation.getMode() == Conversational.MODE_SINGLE
3352                        || conversation.getMucOptions().participating();
3353        if (participating) {
3354            this.binding.textinput.setText(this.conversation.getNextMessage());
3355            this.binding.textinput.setSelection(this.binding.textinput.length());
3356        } else {
3357            this.binding.textinput.setText(MessageUtils.EMPTY_STRING);
3358        }
3359        this.binding.textinput.setKeyboardListener(this);
3360        this.binding.textinputSubject.setKeyboardListener(this);
3361        messageListAdapter.updatePreferences();
3362        refresh(false);
3363        activity.invalidateOptionsMenu();
3364        this.conversation.messagesLoaded.set(true);
3365        Log.d(Config.LOGTAG, "scrolledToBottomAndNoPending=" + scrolledToBottomAndNoPending);
3366
3367        if (hasExtras || scrolledToBottomAndNoPending) {
3368            resetUnreadMessagesCount();
3369            synchronized (this.messageList) {
3370                Log.d(Config.LOGTAG, "jump to first unread message");
3371                final Message first = conversation.getFirstUnreadMessage();
3372                final int bottom = Math.max(0, this.messageList.size() - 1);
3373                final int pos;
3374                final boolean jumpToBottom;
3375                if (first == null) {
3376                    pos = bottom;
3377                    jumpToBottom = true;
3378                } else {
3379                    int i = getIndexOf(first.getUuid(), this.messageList);
3380                    pos = i < 0 ? bottom : i;
3381                    jumpToBottom = false;
3382                }
3383                setSelection(pos, jumpToBottom);
3384            }
3385        }
3386
3387        this.binding.messagesView.post(this::fireReadEvent);
3388        // TODO if we only do this when this fragment is running on main it won't *bing* in tablet
3389        // layout which might be unnecessary since we can *see* it
3390        activity.xmppConnectionService
3391                .getNotificationService()
3392                .setOpenConversation(this.conversation);
3393
3394        if (commandAdapter != null && conversation != originalConversation) {
3395            commandAdapter.clear();
3396            conversation.setupViewPager(binding.conversationViewPager, binding.tabLayout, activity.xmppConnectionService.isOnboarding(), originalConversation);
3397            refreshCommands(false);
3398        }
3399        if (commandAdapter == null && conversation != null) {
3400            conversation.setupViewPager(binding.conversationViewPager, binding.tabLayout, activity.xmppConnectionService.isOnboarding(), null);
3401            commandAdapter = new CommandAdapter((XmppActivity) getActivity());
3402            binding.commandsView.setAdapter(commandAdapter);
3403            binding.commandsView.setOnItemClickListener((parent, view, position, id) -> {
3404                if (activity == null) return;
3405
3406                commandAdapter.getItem(position).start(activity, ConversationFragment.this.conversation);
3407            });
3408            refreshCommands(false);
3409        }
3410
3411        binding.commandsNote.setVisibility(activity.xmppConnectionService.isOnboarding() ? View.VISIBLE : View.GONE);
3412
3413        return true;
3414    }
3415
3416    @Override
3417    public void refreshForNewCaps(final Set<Jid> newCapsJids) {
3418        if (newCapsJids.isEmpty() || newCapsJids.contains(conversation.getJid().asBareJid())) {
3419            refreshCommands(true);
3420        }
3421    }
3422
3423    protected void refreshCommands(boolean delayShow) {
3424        if (commandAdapter == null) return;
3425
3426        final CommandAdapter.MucConfig mucConfig =
3427            conversation.getMucOptions().getSelf().getAffiliation().ranks(MucOptions.Affiliation.OWNER) ?
3428            new CommandAdapter.MucConfig() :
3429            null;
3430
3431        Jid commandJid = conversation.getContact().resourceWhichSupport(Namespace.COMMANDS);
3432        if (commandJid == null && conversation.getMode() == Conversation.MODE_MULTI && conversation.getMucOptions().hasFeature(Namespace.COMMANDS)) {
3433            commandJid = conversation.getJid().asBareJid();
3434        }
3435        if (commandJid == null && conversation.getJid().isDomainJid()) {
3436            commandJid = conversation.getJid();
3437        }
3438        if (commandJid == null) {
3439            binding.commandsViewProgressbar.setVisibility(View.GONE);
3440            if (mucConfig == null) {
3441                conversation.hideViewPager();
3442            } else {
3443                commandAdapter.clear();
3444                commandAdapter.add(mucConfig);
3445                conversation.showViewPager();
3446            }
3447        } else {
3448            if (!delayShow) conversation.showViewPager();
3449            binding.commandsViewProgressbar.setVisibility(View.VISIBLE);
3450            activity.xmppConnectionService.fetchCommands(conversation.getAccount(), commandJid, (iq) -> {
3451                if (activity == null) return;
3452
3453                activity.runOnUiThread(() -> {
3454                    binding.commandsViewProgressbar.setVisibility(View.GONE);
3455                    commandAdapter.clear();
3456                    if (iq.getType() == Iq.Type.RESULT) {
3457                        for (Element child : iq.query().getChildren()) {
3458                            if (!"item".equals(child.getName()) || !Namespace.DISCO_ITEMS.equals(child.getNamespace())) continue;
3459                            commandAdapter.add(new CommandAdapter.Command0050(child));
3460                        }
3461                    }
3462
3463                    if (mucConfig != null) commandAdapter.add(mucConfig);
3464
3465                    if (commandAdapter.getCount() < 1) {
3466                        conversation.hideViewPager();
3467                    } else if (delayShow) {
3468                        conversation.showViewPager();
3469                    }
3470                });
3471            });
3472        }
3473    }
3474
3475    private void resetUnreadMessagesCount() {
3476        lastMessageUuid = null;
3477        hideUnreadMessagesCount();
3478    }
3479
3480    private void hideUnreadMessagesCount() {
3481        if (this.binding == null) {
3482            return;
3483        }
3484        this.binding.scrollToBottomButton.setEnabled(false);
3485        this.binding.scrollToBottomButton.hide();
3486        this.binding.unreadCountCustomView.setVisibility(View.GONE);
3487    }
3488
3489    private void setSelection(int pos, boolean jumpToBottom) {
3490        ListViewUtils.setSelection(this.binding.messagesView, pos, jumpToBottom);
3491        this.binding.messagesView.post(
3492                () -> ListViewUtils.setSelection(this.binding.messagesView, pos, jumpToBottom));
3493        this.binding.messagesView.post(this::fireReadEvent);
3494    }
3495
3496    private boolean scrolledToBottom() {
3497        return this.binding != null && scrolledToBottom(this.binding.messagesView);
3498    }
3499
3500    private void processExtras(final Bundle extras) {
3501        final String downloadUuid = extras.getString(ConversationsActivity.EXTRA_DOWNLOAD_UUID);
3502        final String text = extras.getString(Intent.EXTRA_TEXT);
3503        final String nick = extras.getString(ConversationsActivity.EXTRA_NICK);
3504        final String node = extras.getString(ConversationsActivity.EXTRA_NODE);
3505        final String postInitAction =
3506                extras.getString(ConversationsActivity.EXTRA_POST_INIT_ACTION);
3507        final boolean asQuote = extras.getBoolean(ConversationsActivity.EXTRA_AS_QUOTE);
3508        final boolean pm = extras.getBoolean(ConversationsActivity.EXTRA_IS_PRIVATE_MESSAGE, false);
3509        final boolean doNotAppend =
3510                extras.getBoolean(ConversationsActivity.EXTRA_DO_NOT_APPEND, false);
3511        final String type = extras.getString(ConversationsActivity.EXTRA_TYPE);
3512
3513        final String thread = extras.getString(ConversationsActivity.EXTRA_THREAD);
3514        if (thread != null) {
3515            conversation.setLockThread(true);
3516            backPressedLeaveSingleThread.setEnabled(true);
3517            setThread(new Element("thread").setContent(thread));
3518            refresh();
3519        }
3520
3521        final List<Uri> uris = extractUris(extras);
3522        if (uris != null && uris.size() > 0) {
3523            if (uris.size() == 1 && "geo".equals(uris.get(0).getScheme())) {
3524                mediaPreviewAdapter.addMediaPreviews(
3525                        Attachment.of(getActivity(), uris.get(0), Attachment.Type.LOCATION));
3526            } else {
3527                final List<Uri> cleanedUris = cleanUris(new ArrayList<>(uris));
3528                mediaPreviewAdapter.addMediaPreviews(
3529                        Attachment.of(getActivity(), cleanedUris, type));
3530            }
3531            toggleInputMethod();
3532            return;
3533        }
3534        if (nick != null) {
3535            if (pm) {
3536                Jid jid = conversation.getJid();
3537                try {
3538                    Jid next = Jid.of(jid.getLocal(), jid.getDomain(), nick);
3539                    privateMessageWith(next);
3540                } catch (final IllegalArgumentException ignored) {
3541                    // do nothing
3542                }
3543            } else {
3544                final MucOptions mucOptions = conversation.getMucOptions();
3545                if (mucOptions.participating() || conversation.getNextCounterpart() != null) {
3546                    highlightInConference(nick);
3547                }
3548            }
3549        } else {
3550            if (text != null && GeoHelper.GEO_URI.matcher(text).matches()) {
3551                mediaPreviewAdapter.addMediaPreviews(
3552                        Attachment.of(getActivity(), Uri.parse(text), Attachment.Type.LOCATION));
3553                toggleInputMethod();
3554                return;
3555            } else if (text != null && asQuote) {
3556                quoteText(text);
3557            } else {
3558                appendText(text, doNotAppend);
3559            }
3560        }
3561        if (ConversationsActivity.POST_ACTION_RECORD_VOICE.equals(postInitAction)) {
3562            attachFile(ATTACHMENT_CHOICE_RECORD_VOICE, false);
3563            return;
3564        }
3565        if ("call".equals(postInitAction)) {
3566            checkPermissionAndTriggerAudioCall();
3567        }
3568        if ("message".equals(postInitAction)) {
3569            binding.conversationViewPager.post(() -> {
3570                binding.conversationViewPager.setCurrentItem(0);
3571            });
3572        }
3573        if ("command".equals(postInitAction)) {
3574            binding.conversationViewPager.post(() -> {
3575                PagerAdapter adapter = binding.conversationViewPager.getAdapter();
3576                if (adapter != null && adapter.getCount() > 1) {
3577                    binding.conversationViewPager.setCurrentItem(1);
3578                }
3579                final String jid = extras.getString(ConversationsActivity.EXTRA_JID);
3580                Jid commandJid = null;
3581                if (jid != null) {
3582                    try {
3583                        commandJid = Jid.of(jid);
3584                    } catch (final IllegalArgumentException e) { }
3585                }
3586                if (commandJid == null || !commandJid.isFullJid()) {
3587                    final Jid discoJid = conversation.getContact().resourceWhichSupport(Namespace.COMMANDS);
3588                    if (discoJid != null) commandJid = discoJid;
3589                }
3590                if (node != null && commandJid != null && activity != null) {
3591                    conversation.startCommand(commandFor(commandJid, node), activity.xmppConnectionService);
3592                }
3593            });
3594            return;
3595        }
3596        Message message =
3597                downloadUuid == null ? null : conversation.findMessageWithFileAndUuid(downloadUuid);
3598        if ("webxdc".equals(postInitAction)) {
3599            if (message == null) {
3600                message = activity.xmppConnectionService.getMessage(conversation, downloadUuid);
3601            }
3602            if (message == null) return;
3603
3604            Cid webxdcCid = message.getFileParams().getCids().get(0);
3605            WebxdcPage webxdc = new WebxdcPage(activity, webxdcCid, message, activity.xmppConnectionService);
3606            Conversation conversation = (Conversation) message.getConversation();
3607            if (!conversation.switchToSession("webxdc\0" + message.getUuid())) {
3608                conversation.startWebxdc(webxdc);
3609            }
3610        }
3611        if (message != null) {
3612            startDownloadable(message);
3613        }
3614        if (activity.xmppConnectionService.isOnboarding() && conversation.getJid().equals(Jid.of("cheogram.com"))) {
3615            if (!conversation.switchToSession("jabber:iq:register")) {
3616                conversation.startCommand(commandFor(Jid.of("cheogram.com/CHEOGRAM%jabber:iq:register"), "jabber:iq:register"), activity.xmppConnectionService);
3617            }
3618        }
3619    }
3620
3621    private Element commandFor(final Jid jid, final String node) {
3622        if (commandAdapter != null) {
3623            for (int i = 0; i < commandAdapter.getCount(); i++) {
3624                final CommandAdapter.Command c = commandAdapter.getItem(i);
3625                if (!(c instanceof CommandAdapter.Command0050)) continue;
3626
3627                final Element command = ((CommandAdapter.Command0050) c).el;
3628                final String commandNode = command.getAttribute("node");
3629                if (commandNode == null || !commandNode.equals(node)) continue;
3630
3631                final Jid commandJid = command.getAttributeAsJid("jid");
3632                if (commandJid != null && !commandJid.asBareJid().equals(jid.asBareJid())) continue;
3633
3634                return command;
3635            }
3636        }
3637
3638        return new Element("command", Namespace.COMMANDS).setAttribute("name", node).setAttribute("node", node).setAttribute("jid", jid);
3639    }
3640
3641    private List<Uri> extractUris(final Bundle extras) {
3642        final List<Uri> uris = extras.getParcelableArrayList(Intent.EXTRA_STREAM);
3643        if (uris != null) {
3644            return uris;
3645        }
3646        final Uri uri = extras.getParcelable(Intent.EXTRA_STREAM);
3647        if (uri != null) {
3648            return Collections.singletonList(uri);
3649        } else {
3650            return null;
3651        }
3652    }
3653
3654    private List<Uri> cleanUris(final List<Uri> uris) {
3655        final Iterator<Uri> iterator = uris.iterator();
3656        while (iterator.hasNext()) {
3657            final Uri uri = iterator.next();
3658            if (FileBackend.dangerousFile(uri)) {
3659                iterator.remove();
3660                Toast.makeText(
3661                                requireActivity(),
3662                                R.string.security_violation_not_attaching_file,
3663                                Toast.LENGTH_SHORT)
3664                        .show();
3665            }
3666        }
3667        return uris;
3668    }
3669
3670    private boolean showBlockSubmenu(View view) {
3671        final Jid jid = conversation.getJid();
3672        final int mode = conversation.getMode();
3673        final var contact = mode == Conversation.MODE_SINGLE ? conversation.getContact() : null;
3674        final boolean showReject = contact.getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST);
3675        PopupMenu popupMenu = new PopupMenu(getActivity(), view);
3676        popupMenu.inflate(R.menu.block);
3677        popupMenu.getMenu().findItem(R.id.block_contact).setVisible(jid.getLocal() != null);
3678        popupMenu.getMenu().findItem(R.id.reject).setVisible(showReject);
3679        popupMenu.getMenu().findItem(R.id.add_contact).setVisible(!contact.showInRoster());
3680        popupMenu.setOnMenuItemClickListener(
3681                menuItem -> {
3682                    Blockable blockable;
3683                    switch (menuItem.getItemId()) {
3684                        case R.id.reject:
3685                            activity.xmppConnectionService.stopPresenceUpdatesTo(
3686                                    conversation.getContact());
3687                            updateSnackBar(conversation);
3688                            return true;
3689                        case R.id.add_contact:
3690                            mAddBackClickListener.onClick(view);
3691                            return true;
3692                        case R.id.block_domain:
3693                            blockable =
3694                                    conversation
3695                                            .getAccount()
3696                                            .getRoster()
3697                                            .getContact(jid.getDomain());
3698                            break;
3699                        default:
3700                            blockable = conversation;
3701                    }
3702                    BlockContactDialog.show(activity, blockable);
3703                    return true;
3704                });
3705        popupMenu.show();
3706        return true;
3707    }
3708
3709    private boolean showBlockMucSubmenu(View view) {
3710        final var jid = conversation.getJid();
3711        final var popupMenu = new PopupMenu(getActivity(), view);
3712        popupMenu.inflate(R.menu.block_muc);
3713        popupMenu.getMenu().findItem(R.id.block_contact).setVisible(jid.getLocal() != null);
3714        popupMenu.setOnMenuItemClickListener(
3715                menuItem -> {
3716                    Blockable blockable;
3717                    switch (menuItem.getItemId()) {
3718                        case R.id.reject:
3719                            activity.xmppConnectionService.clearConversationHistory(conversation);
3720                            activity.xmppConnectionService.archiveConversation(conversation);
3721                            return true;
3722                        case R.id.add_bookmark:
3723                            activity.xmppConnectionService.saveConversationAsBookmark(conversation, "");
3724                            updateSnackBar(conversation);
3725                            return true;
3726                        case R.id.block_contact:
3727                            blockable =
3728                                    conversation
3729                                            .getAccount()
3730                                            .getRoster()
3731                                            .getContact(Jid.of(conversation.getAttribute("inviter")));
3732                            break;
3733                        default:
3734                            blockable = conversation;
3735                    }
3736                    BlockContactDialog.show(activity, blockable);
3737                    activity.xmppConnectionService.archiveConversation(conversation);
3738                    return true;
3739                });
3740        popupMenu.show();
3741        return true;
3742    }
3743
3744    private void updateSnackBar(final Conversation conversation) {
3745        final Account account = conversation.getAccount();
3746        final XmppConnection connection = account.getXmppConnection();
3747        final int mode = conversation.getMode();
3748        final Contact contact = mode == Conversation.MODE_SINGLE ? conversation.getContact() : null;
3749        if (conversation.getStatus() == Conversation.STATUS_ARCHIVED) {
3750            return;
3751        }
3752        if (account.getStatus() == Account.State.DISABLED) {
3753            showSnackbar(
3754                    R.string.this_account_is_disabled,
3755                    R.string.enable,
3756                    this.mEnableAccountListener);
3757        } else if (account.getStatus() == Account.State.LOGGED_OUT) {
3758            showSnackbar(R.string.this_account_is_logged_out,R.string.log_in,this.mEnableAccountListener);
3759        } else if (conversation.isBlocked()) {
3760            showSnackbar(R.string.contact_blocked, R.string.unblock, this.mUnblockClickListener);
3761        } else if (account.getStatus() == Account.State.CONNECTING) {
3762            showSnackbar(R.string.this_account_is_connecting, 0, null);
3763        } else if (account.getStatus() != Account.State.ONLINE) {
3764            showSnackbar(R.string.this_account_is_offline, 0, null);
3765        } else if (contact != null
3766                && !contact.showInRoster()
3767                && contact.getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)) {
3768            showSnackbar(
3769                    R.string.contact_added_you,
3770                    R.string.options,
3771                    this.mBlockClickListener,
3772                    this.mLongPressBlockListener);
3773        } else if (contact != null
3774                && contact.getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)) {
3775            showSnackbar(
3776                    R.string.contact_asks_for_presence_subscription,
3777                    R.string.allow,
3778                    this.mAllowPresenceSubscription,
3779                    this.mLongPressBlockListener);
3780        } else if (mode == Conversation.MODE_MULTI
3781                && !conversation.getMucOptions().online()
3782                && account.getStatus() == Account.State.ONLINE) {
3783            switch (conversation.getMucOptions().getError()) {
3784                case NICK_IN_USE:
3785                    showSnackbar(R.string.nick_in_use, R.string.edit, clickToMuc);
3786                    break;
3787                case NO_RESPONSE:
3788                    showSnackbar(R.string.joining_conference, 0, null);
3789                    break;
3790                case SERVER_NOT_FOUND:
3791                    if (conversation.receivedMessagesCount() > 0) {
3792                        showSnackbar(R.string.remote_server_not_found, R.string.try_again, joinMuc);
3793                    } else {
3794                        showSnackbar(R.string.remote_server_not_found, R.string.leave, leaveMuc);
3795                    }
3796                    break;
3797                case REMOTE_SERVER_TIMEOUT:
3798                    if (conversation.receivedMessagesCount() > 0) {
3799                        showSnackbar(R.string.remote_server_timeout, R.string.try_again, joinMuc);
3800                    } else {
3801                        showSnackbar(R.string.remote_server_timeout, R.string.leave, leaveMuc);
3802                    }
3803                    break;
3804                case PASSWORD_REQUIRED:
3805                    showSnackbar(
3806                            R.string.conference_requires_password,
3807                            R.string.enter_password,
3808                            enterPassword);
3809                    break;
3810                case BANNED:
3811                    showSnackbar(R.string.conference_banned, R.string.leave, leaveMuc);
3812                    break;
3813                case MEMBERS_ONLY:
3814                    showSnackbar(R.string.conference_members_only, R.string.leave, leaveMuc);
3815                    break;
3816                case RESOURCE_CONSTRAINT:
3817                    showSnackbar(
3818                            R.string.conference_resource_constraint, R.string.try_again, joinMuc);
3819                    break;
3820                case KICKED:
3821                    showSnackbar(R.string.conference_kicked, R.string.join, joinMuc);
3822                    break;
3823                case TECHNICAL_PROBLEMS:
3824                    showSnackbar(R.string.conference_technical_problems, R.string.try_again, joinMuc);
3825                    break;
3826                case UNKNOWN:
3827                    showSnackbar(R.string.conference_unknown_error, R.string.try_again, joinMuc);
3828                    break;
3829                case INVALID_NICK:
3830                    showSnackbar(R.string.invalid_muc_nick, R.string.edit, clickToMuc);
3831                case SHUTDOWN:
3832                    showSnackbar(R.string.conference_shutdown, R.string.try_again, joinMuc);
3833                    break;
3834                case DESTROYED:
3835                    showSnackbar(R.string.conference_destroyed, R.string.leave, leaveMuc);
3836                    break;
3837                case NON_ANONYMOUS:
3838                    showSnackbar(
3839                            R.string.group_chat_will_make_your_jabber_id_public,
3840                            R.string.join,
3841                            acceptJoin);
3842                    break;
3843                default:
3844                    hideSnackbar();
3845                    break;
3846            }
3847        } else if (account.hasPendingPgpIntent(conversation)) {
3848            showSnackbar(R.string.openpgp_messages_found, R.string.decrypt, clickToDecryptListener);
3849        } else if (connection != null
3850                && connection.getFeatures().blocking()
3851                && conversation.strangerInvited()) {
3852            showSnackbar(
3853                    R.string.received_invite_from_stranger,
3854                    R.string.options,
3855                    (v) -> showBlockMucSubmenu(v),
3856                    (v) -> showBlockMucSubmenu(v));
3857        } else if (connection != null
3858                && connection.getFeatures().blocking()
3859                && conversation.countMessages() != 0
3860                && !conversation.isBlocked()
3861                && conversation.isWithStranger()) {
3862            showSnackbar(
3863                    R.string.received_message_from_stranger,
3864                    R.string.options,
3865                    this.mBlockClickListener,
3866                    this.mLongPressBlockListener);
3867        } else {
3868            hideSnackbar();
3869        }
3870    }
3871
3872    @Override
3873    public void refresh() {
3874        if (this.binding == null) {
3875            Log.d(
3876                    Config.LOGTAG,
3877                    "ConversationFragment.refresh() skipped updated because view binding was null");
3878            return;
3879        }
3880        if (this.conversation != null
3881                && this.activity != null
3882                && this.activity.xmppConnectionService != null) {
3883            if (!activity.xmppConnectionService.isConversationStillOpen(this.conversation)) {
3884                activity.onConversationArchived(this.conversation);
3885                return;
3886            }
3887        }
3888        this.refresh(true);
3889    }
3890
3891    private void refresh(boolean notifyConversationRead) {
3892        synchronized (this.messageList) {
3893            if (this.conversation != null) {
3894                if (messageListAdapter.hasSelection()) {
3895                    if (notifyConversationRead) binding.messagesView.postDelayed(this::refresh, 1000L);
3896                } else {
3897                    conversation.populateWithMessages(this.messageList, activity == null ? null : activity.xmppConnectionService);
3898                    updateStatusMessages();
3899                    this.messageListAdapter.notifyDataSetChanged();
3900                }
3901                if (conversation.getReceivedMessagesCountSinceUuid(lastMessageUuid) != 0) {
3902                    binding.unreadCountCustomView.setVisibility(View.VISIBLE);
3903                    binding.unreadCountCustomView.setUnreadCount(
3904                            conversation.getReceivedMessagesCountSinceUuid(lastMessageUuid));
3905                }
3906                updateSnackBar(conversation);
3907                if (activity != null) updateChatMsgHint();
3908                if (notifyConversationRead && activity != null) {
3909                    binding.messagesView.post(this::fireReadEvent);
3910                }
3911                updateSendButton();
3912                updateEditablity();
3913                conversation.refreshSessions();
3914            }
3915        }
3916    }
3917
3918    protected void messageSent() {
3919        binding.textinputSubject.setText("");
3920        binding.textinputSubject.setVisibility(View.GONE);
3921        setThread(null);
3922        conversation.setUserSelectedThread(false);
3923        mSendingPgpMessage.set(false);
3924        this.binding.textinput.setText("");
3925        if (conversation.setCorrectingMessage(null)) {
3926            this.binding.textinput.append(conversation.getDraftMessage());
3927            conversation.setDraftMessage(null);
3928        }
3929        storeNextMessage();
3930        updateChatMsgHint();
3931        SharedPreferences p = PreferenceManager.getDefaultSharedPreferences(activity);
3932        final boolean prefScrollToBottom =
3933                p.getBoolean(
3934                        "scroll_to_bottom",
3935                        activity.getResources().getBoolean(R.bool.scroll_to_bottom));
3936        if (prefScrollToBottom || scrolledToBottom()) {
3937            new Handler()
3938                    .post(
3939                            () -> {
3940                                int size = messageList.size();
3941                                this.binding.messagesView.setSelection(size - 1);
3942                            });
3943        }
3944    }
3945
3946    private boolean storeNextMessage() {
3947        return storeNextMessage(this.binding.textinput.getText().toString());
3948    }
3949
3950    private boolean storeNextMessage(String msg) {
3951        final boolean participating =
3952                conversation.getMode() == Conversational.MODE_SINGLE
3953                        || conversation.getMucOptions().participating();
3954        if (this.conversation.getStatus() != Conversation.STATUS_ARCHIVED
3955                && participating
3956                && this.conversation.setNextMessage(msg) && activity != null) {
3957            activity.xmppConnectionService.updateConversation(this.conversation);
3958            return true;
3959        }
3960        return false;
3961    }
3962
3963    public void doneSendingPgpMessage() {
3964        mSendingPgpMessage.set(false);
3965    }
3966
3967    public long getMaxHttpUploadSize(Conversation conversation) {
3968        final XmppConnection connection = conversation.getAccount().getXmppConnection();
3969        return connection == null ? -1 : connection.getFeatures().getMaxHttpUploadSize();
3970    }
3971
3972    private boolean canWrite() {
3973        return
3974                this.conversation.getMode() == Conversation.MODE_SINGLE
3975                        || this.conversation.getMucOptions().participating()
3976                        || this.conversation.getNextCounterpart() != null;
3977    }
3978
3979    private void updateEditablity() {
3980        boolean canWrite = canWrite();
3981        this.binding.textinput.setFocusable(canWrite);
3982        this.binding.textinput.setFocusableInTouchMode(canWrite);
3983        this.binding.textSendButton.setEnabled(canWrite);
3984        this.binding.textSendButton.setVisibility(canWrite ? View.VISIBLE : View.GONE);
3985        this.binding.requestVoice.setVisibility(canWrite ? View.GONE : View.VISIBLE);
3986        this.binding.textinput.setCursorVisible(canWrite);
3987        this.binding.textinput.setEnabled(canWrite);
3988    }
3989
3990    public void updateSendButton() {
3991        boolean hasAttachments =
3992                mediaPreviewAdapter != null && mediaPreviewAdapter.hasAttachments();
3993        final Conversation c = this.conversation;
3994        final Presence.Status status;
3995        final String text =
3996                this.binding.textinput == null ? "" : this.binding.textinput.getText().toString();
3997        final SendButtonAction action;
3998        if (hasAttachments) {
3999            action = SendButtonAction.TEXT;
4000        } else {
4001            action = SendButtonTool.getAction(getActivity(), c, text, binding.textinputSubject.getText().toString());
4002        }
4003        if (c.getAccount().getStatus() == Account.State.ONLINE) {
4004            if (activity != null
4005                    && activity.xmppConnectionService != null
4006                    && activity.xmppConnectionService.getMessageArchiveService().isCatchingUp(c)) {
4007                status = Presence.Status.OFFLINE;
4008            } else if (c.getMode() == Conversation.MODE_SINGLE) {
4009                status = c.getContact().getShownStatus();
4010            } else {
4011                status =
4012                        c.getMucOptions().online()
4013                                ? Presence.Status.ONLINE
4014                                : Presence.Status.OFFLINE;
4015            }
4016        } else {
4017            status = Presence.Status.OFFLINE;
4018        }
4019        this.binding.textSendButton.setTag(action);
4020        this.binding.textSendButton.setIconTint(ColorStateList.valueOf(SendButtonTool.getSendButtonColor(this.binding.textSendButton, status)));
4021        // TODO send button color
4022        final Activity activity = getActivity();
4023        if (activity != null) {
4024            this.binding.textSendButton.setIconResource(
4025                    SendButtonTool.getSendButtonImageResource(action, text.length() > 0 || hasAttachments || (c.getThread() != null && binding.textinputSubject.getText().length() > 0)));
4026        }
4027
4028        ViewGroup.LayoutParams params = binding.threadIdenticonLayout.getLayoutParams();
4029        if (identiconWidth < 0) identiconWidth = params.width;
4030        if (hasAttachments || binding.textinput.getText().toString().replaceFirst("^(\\w|[, ])+:\\s*", "").length() > 0) {
4031            binding.conversationViewPager.setCurrentItem(0);
4032            params.width = conversation.getThread() == null ? 0 : identiconWidth;
4033        } else {
4034            params.width = identiconWidth;
4035        }
4036        if (!canWrite()) params.width = 0;
4037        binding.threadIdenticonLayout.setLayoutParams(params);
4038    }
4039
4040    protected void updateStatusMessages() {
4041        DateSeparator.addAll(this.messageList);
4042        if (showLoadMoreMessages(conversation)) {
4043            this.messageList.add(0, Message.createLoadMoreMessage(conversation));
4044        }
4045        if (conversation.getMode() == Conversation.MODE_SINGLE) {
4046            ChatState state = conversation.getIncomingChatState();
4047            if (state == ChatState.COMPOSING) {
4048                this.messageList.add(
4049                        Message.createStatusMessage(
4050                                conversation,
4051                                getString(R.string.contact_is_typing, conversation.getName())));
4052            } else if (state == ChatState.PAUSED) {
4053                this.messageList.add(
4054                        Message.createStatusMessage(
4055                                conversation,
4056                                getString(
4057                                        R.string.contact_has_stopped_typing,
4058                                        conversation.getName())));
4059            } else {
4060                for (int i = this.messageList.size() - 1; i >= 0; --i) {
4061                    final Message message = this.messageList.get(i);
4062                    if (message.getType() != Message.TYPE_STATUS) {
4063                        if (message.getStatus() == Message.STATUS_RECEIVED) {
4064                            return;
4065                        } else {
4066                            if (message.getStatus() == Message.STATUS_SEND_DISPLAYED) {
4067                                this.messageList.add(
4068                                        i + 1,
4069                                        Message.createStatusMessage(
4070                                                conversation,
4071                                                getString(
4072                                                        R.string.contact_has_read_up_to_this_point,
4073                                                        conversation.getName())));
4074                                return;
4075                            }
4076                        }
4077                    }
4078                }
4079            }
4080        } else {
4081            final MucOptions mucOptions = conversation.getMucOptions();
4082            final List<MucOptions.User> allUsers = mucOptions.getUsers();
4083            final Set<ReadByMarker> addedMarkers = new HashSet<>();
4084            ChatState state = ChatState.COMPOSING;
4085            List<MucOptions.User> users =
4086                    conversation.getMucOptions().getUsersWithChatState(state, 5);
4087            if (users.size() == 0) {
4088                state = ChatState.PAUSED;
4089                users = conversation.getMucOptions().getUsersWithChatState(state, 5);
4090            }
4091            if (mucOptions.isPrivateAndNonAnonymous()) {
4092                for (int i = this.messageList.size() - 1; i >= 0; --i) {
4093                    final Set<ReadByMarker> markersForMessage =
4094                            messageList.get(i).getReadByMarkers();
4095                    final List<MucOptions.User> shownMarkers = new ArrayList<>();
4096                    for (ReadByMarker marker : markersForMessage) {
4097                        if (!ReadByMarker.contains(marker, addedMarkers)) {
4098                            addedMarkers.add(
4099                                    marker); // may be put outside this condition. set should do
4100                                             // dedup anyway
4101                            MucOptions.User user = mucOptions.findUser(marker);
4102                            if (user != null && !users.contains(user)) {
4103                                shownMarkers.add(user);
4104                            }
4105                        }
4106                    }
4107                    final ReadByMarker markerForSender = ReadByMarker.from(messageList.get(i));
4108                    final Message statusMessage;
4109                    final int size = shownMarkers.size();
4110                    if (size > 1) {
4111                        final String body;
4112                        if (size <= 4) {
4113                            body =
4114                                    getString(
4115                                            R.string.contacts_have_read_up_to_this_point,
4116                                            UIHelper.concatNames(shownMarkers));
4117                        } else if (ReadByMarker.allUsersRepresented(
4118                                allUsers, markersForMessage, markerForSender)) {
4119                            body = getString(R.string.everyone_has_read_up_to_this_point);
4120                        } else {
4121                            body =
4122                                    getString(
4123                                            R.string.contacts_and_n_more_have_read_up_to_this_point,
4124                                            UIHelper.concatNames(shownMarkers, 3),
4125                                            size - 3);
4126                        }
4127                        statusMessage = Message.createStatusMessage(conversation, body);
4128                        statusMessage.setCounterparts(shownMarkers);
4129                    } else if (size == 1) {
4130                        statusMessage =
4131                                Message.createStatusMessage(
4132                                        conversation,
4133                                        getString(
4134                                                R.string.contact_has_read_up_to_this_point,
4135                                                UIHelper.getDisplayName(shownMarkers.get(0))));
4136                        statusMessage.setCounterpart(shownMarkers.get(0).getFullJid());
4137                        statusMessage.setTrueCounterpart(shownMarkers.get(0).getRealJid());
4138                    } else {
4139                        statusMessage = null;
4140                    }
4141                    if (statusMessage != null) {
4142                        this.messageList.add(i + 1, statusMessage);
4143                    }
4144                    addedMarkers.add(markerForSender);
4145                    if (ReadByMarker.allUsersRepresented(allUsers, addedMarkers)) {
4146                        break;
4147                    }
4148                }
4149            }
4150            if (users.size() > 0) {
4151                Message statusMessage;
4152                if (users.size() == 1) {
4153                    MucOptions.User user = users.get(0);
4154                    int id =
4155                            state == ChatState.COMPOSING
4156                                    ? R.string.contact_is_typing
4157                                    : R.string.contact_has_stopped_typing;
4158                    statusMessage =
4159                            Message.createStatusMessage(
4160                                    conversation, getString(id, UIHelper.getDisplayName(user)));
4161                    statusMessage.setTrueCounterpart(user.getRealJid());
4162                    statusMessage.setCounterpart(user.getFullJid());
4163                } else {
4164                    int id =
4165                            state == ChatState.COMPOSING
4166                                    ? R.string.contacts_are_typing
4167                                    : R.string.contacts_have_stopped_typing;
4168                    statusMessage =
4169                            Message.createStatusMessage(
4170                                    conversation, getString(id, UIHelper.concatNames(users)));
4171                    statusMessage.setCounterparts(users);
4172                }
4173                this.messageList.add(statusMessage);
4174            }
4175        }
4176    }
4177
4178    private void stopScrolling() {
4179        long now = SystemClock.uptimeMillis();
4180        MotionEvent cancel = MotionEvent.obtain(now, now, MotionEvent.ACTION_CANCEL, 0, 0, 0);
4181        binding.messagesView.dispatchTouchEvent(cancel);
4182    }
4183
4184    private boolean showLoadMoreMessages(final Conversation c) {
4185        if (activity == null || activity.xmppConnectionService == null) {
4186            return false;
4187        }
4188        final boolean mam = hasMamSupport(c) && !c.getContact().isBlocked();
4189        final MessageArchiveService service =
4190                activity.xmppConnectionService.getMessageArchiveService();
4191        return mam
4192                && (c.getLastClearHistory().getTimestamp() != 0
4193                        || (c.countMessages() == 0
4194                                && c.messagesLoaded.get()
4195                                && c.hasMessagesLeftOnServer()
4196                                && !service.queryInProgress(c)));
4197    }
4198
4199    private boolean hasMamSupport(final Conversation c) {
4200        if (c.getMode() == Conversation.MODE_SINGLE) {
4201            final XmppConnection connection = c.getAccount().getXmppConnection();
4202            return connection != null && connection.getFeatures().mam();
4203        } else {
4204            return c.getMucOptions().mamSupport();
4205        }
4206    }
4207
4208    protected void showSnackbar(
4209            final int message, final int action, final OnClickListener clickListener) {
4210        showSnackbar(message, action, clickListener, null);
4211    }
4212
4213    protected void showSnackbar(
4214            final int message,
4215            final int action,
4216            final OnClickListener clickListener,
4217            final View.OnLongClickListener longClickListener) {
4218        this.binding.snackbar.setVisibility(View.VISIBLE);
4219        this.binding.snackbar.setOnClickListener(null);
4220        this.binding.snackbarMessage.setText(message);
4221        this.binding.snackbarMessage.setOnClickListener(null);
4222        this.binding.snackbarAction.setVisibility(clickListener == null ? View.GONE : View.VISIBLE);
4223        if (action != 0) {
4224            this.binding.snackbarAction.setText(action);
4225        }
4226        this.binding.snackbarAction.setOnClickListener(clickListener);
4227        this.binding.snackbarAction.setOnLongClickListener(longClickListener);
4228    }
4229
4230    protected void hideSnackbar() {
4231        this.binding.snackbar.setVisibility(View.GONE);
4232    }
4233
4234    protected void sendMessage(Message message) {
4235        new Thread(() -> activity.xmppConnectionService.sendMessage(message)).start();
4236        messageSent();
4237    }
4238
4239    protected void sendPgpMessage(final Message message) {
4240        final XmppConnectionService xmppService = activity.xmppConnectionService;
4241        final Contact contact = message.getConversation().getContact();
4242        if (!activity.hasPgp()) {
4243            activity.showInstallPgpDialog();
4244            return;
4245        }
4246        if (conversation.getAccount().getPgpSignature() == null) {
4247            activity.announcePgp(
4248                    conversation.getAccount(), conversation, null, activity.onOpenPGPKeyPublished);
4249            return;
4250        }
4251        if (!mSendingPgpMessage.compareAndSet(false, true)) {
4252            Log.d(Config.LOGTAG, "sending pgp message already in progress");
4253        }
4254        if (conversation.getMode() == Conversation.MODE_SINGLE) {
4255            if (contact.getPgpKeyId() != 0) {
4256                xmppService
4257                        .getPgpEngine()
4258                        .hasKey(
4259                                contact,
4260                                new UiCallback<Contact>() {
4261
4262                                    @Override
4263                                    public void userInputRequired(
4264                                            PendingIntent pi, Contact contact) {
4265                                        startPendingIntent(pi, REQUEST_ENCRYPT_MESSAGE);
4266                                    }
4267
4268                                    @Override
4269                                    public void success(Contact contact) {
4270                                        encryptTextMessage(message);
4271                                    }
4272
4273                                    @Override
4274                                    public void error(int error, Contact contact) {
4275                                        activity.runOnUiThread(
4276                                                () ->
4277                                                        Toast.makeText(
4278                                                                        activity,
4279                                                                        R.string
4280                                                                                .unable_to_connect_to_keychain,
4281                                                                        Toast.LENGTH_SHORT)
4282                                                                .show());
4283                                        mSendingPgpMessage.set(false);
4284                                    }
4285                                });
4286
4287            } else {
4288                showNoPGPKeyDialog(
4289                        false,
4290                        (dialog, which) -> {
4291                            conversation.setNextEncryption(Message.ENCRYPTION_NONE);
4292                            xmppService.updateConversation(conversation);
4293                            message.setEncryption(Message.ENCRYPTION_NONE);
4294                            xmppService.sendMessage(message);
4295                            messageSent();
4296                        });
4297            }
4298        } else {
4299            if (conversation.getMucOptions().pgpKeysInUse()) {
4300                if (!conversation.getMucOptions().everybodyHasKeys()) {
4301                    Toast warning =
4302                            Toast.makeText(
4303                                    getActivity(), R.string.missing_public_keys, Toast.LENGTH_LONG);
4304                    warning.setGravity(Gravity.CENTER_VERTICAL, 0, 0);
4305                    warning.show();
4306                }
4307                encryptTextMessage(message);
4308            } else {
4309                showNoPGPKeyDialog(
4310                        true,
4311                        (dialog, which) -> {
4312                            conversation.setNextEncryption(Message.ENCRYPTION_NONE);
4313                            message.setEncryption(Message.ENCRYPTION_NONE);
4314                            xmppService.updateConversation(conversation);
4315                            xmppService.sendMessage(message);
4316                            messageSent();
4317                        });
4318            }
4319        }
4320    }
4321
4322    public void encryptTextMessage(Message message) {
4323        activity.xmppConnectionService
4324                .getPgpEngine()
4325                .encrypt(
4326                        message,
4327                        new UiCallback<Message>() {
4328
4329                            @Override
4330                            public void userInputRequired(PendingIntent pi, Message message) {
4331                                startPendingIntent(pi, REQUEST_SEND_MESSAGE);
4332                            }
4333
4334                            @Override
4335                            public void success(Message message) {
4336                                // TODO the following two call can be made before the callback
4337                                getActivity().runOnUiThread(() -> messageSent());
4338                            }
4339
4340                            @Override
4341                            public void error(final int error, Message message) {
4342                                getActivity()
4343                                        .runOnUiThread(
4344                                                () -> {
4345                                                    doneSendingPgpMessage();
4346                                                    Toast.makeText(
4347                                                                    getActivity(),
4348                                                                    error == 0
4349                                                                            ? R.string
4350                                                                                    .unable_to_connect_to_keychain
4351                                                                            : error,
4352                                                                    Toast.LENGTH_SHORT)
4353                                                            .show();
4354                                                });
4355                            }
4356                        });
4357    }
4358
4359    public void showNoPGPKeyDialog(final boolean plural, final DialogInterface.OnClickListener listener) {
4360        final MaterialAlertDialogBuilder builder = new MaterialAlertDialogBuilder(requireActivity());
4361        if (plural) {
4362            builder.setTitle(getString(R.string.no_pgp_keys));
4363            builder.setMessage(getText(R.string.contacts_have_no_pgp_keys));
4364        } else {
4365            builder.setTitle(getString(R.string.no_pgp_key));
4366            builder.setMessage(getText(R.string.contact_has_no_pgp_key));
4367        }
4368        builder.setNegativeButton(getString(R.string.cancel), null);
4369        builder.setPositiveButton(getString(R.string.send_unencrypted), listener);
4370        builder.create().show();
4371    }
4372
4373    public void appendText(String text, final boolean doNotAppend) {
4374        if (text == null) {
4375            return;
4376        }
4377        final Editable editable = this.binding.textinput.getText();
4378        String previous = editable == null ? "" : editable.toString();
4379        if (doNotAppend && !TextUtils.isEmpty(previous)) {
4380            Toast.makeText(getActivity(), R.string.already_drafting_message, Toast.LENGTH_LONG)
4381                    .show();
4382            return;
4383        }
4384        if (UIHelper.isLastLineQuote(previous)) {
4385            text = '\n' + text;
4386        } else if (previous.length() != 0
4387                && !Character.isWhitespace(previous.charAt(previous.length() - 1))) {
4388            text = " " + text;
4389        }
4390        this.binding.textinput.append(text);
4391    }
4392
4393    @Override
4394    public boolean onEnterPressed(final boolean isCtrlPressed) {
4395        if (isCtrlPressed || enterIsSend()) {
4396            sendMessage();
4397            return true;
4398        }
4399        return false;
4400    }
4401
4402    private boolean enterIsSend() {
4403        final SharedPreferences p = PreferenceManager.getDefaultSharedPreferences(getActivity());
4404        return p.getBoolean("enter_is_send", getResources().getBoolean(R.bool.enter_is_send));
4405    }
4406
4407    public boolean onArrowUpCtrlPressed() {
4408        final Message lastEditableMessage =
4409                conversation == null ? null : conversation.getLastEditableMessage();
4410        if (lastEditableMessage != null) {
4411            correctMessage(lastEditableMessage);
4412            return true;
4413        } else {
4414            Toast.makeText(getActivity(), R.string.could_not_correct_message, Toast.LENGTH_LONG)
4415                    .show();
4416            return false;
4417        }
4418    }
4419
4420    @Override
4421    public void onTypingStarted() {
4422        final XmppConnectionService service =
4423                activity == null ? null : activity.xmppConnectionService;
4424        if (service == null) {
4425            return;
4426        }
4427        final Account.State status = conversation.getAccount().getStatus();
4428        if (status == Account.State.ONLINE
4429                && conversation.setOutgoingChatState(ChatState.COMPOSING)) {
4430            service.sendChatState(conversation);
4431        }
4432        runOnUiThread(this::updateSendButton);
4433    }
4434
4435    @Override
4436    public void onTypingStopped() {
4437        final XmppConnectionService service =
4438                activity == null ? null : activity.xmppConnectionService;
4439        if (service == null) {
4440            return;
4441        }
4442        final Account.State status = conversation.getAccount().getStatus();
4443        if (status == Account.State.ONLINE && conversation.setOutgoingChatState(ChatState.PAUSED)) {
4444            service.sendChatState(conversation);
4445        }
4446    }
4447
4448    @Override
4449    public void onTextDeleted() {
4450        final XmppConnectionService service =
4451                activity == null ? null : activity.xmppConnectionService;
4452        if (service == null) {
4453            return;
4454        }
4455        final Account.State status = conversation.getAccount().getStatus();
4456        if (status == Account.State.ONLINE
4457                && conversation.setOutgoingChatState(Config.DEFAULT_CHAT_STATE)) {
4458            service.sendChatState(conversation);
4459        }
4460        if (storeNextMessage()) {
4461            runOnUiThread(
4462                    () -> {
4463                        if (activity == null) {
4464                            return;
4465                        }
4466                        activity.onConversationsListItemUpdated();
4467                    });
4468        }
4469        runOnUiThread(this::updateSendButton);
4470    }
4471
4472    @Override
4473    public void onTextChanged() {
4474        if (conversation != null && conversation.getCorrectingMessage() != null) {
4475            runOnUiThread(this::updateSendButton);
4476        }
4477    }
4478
4479    @Override
4480    public boolean onTabPressed(boolean repeated) {
4481        if (conversation == null || conversation.getMode() == Conversation.MODE_SINGLE) {
4482            return false;
4483        }
4484        if (repeated) {
4485            completionIndex++;
4486        } else {
4487            lastCompletionLength = 0;
4488            completionIndex = 0;
4489            final String content = this.binding.textinput.getText().toString();
4490            lastCompletionCursor = this.binding.textinput.getSelectionEnd();
4491            int start =
4492                    lastCompletionCursor > 0
4493                            ? content.lastIndexOf(" ", lastCompletionCursor - 1) + 1
4494                            : 0;
4495            firstWord = start == 0;
4496            incomplete = content.substring(start, lastCompletionCursor);
4497        }
4498        List<String> completions = new ArrayList<>();
4499        for (MucOptions.User user : conversation.getMucOptions().getUsers()) {
4500            String name = user.getNick();
4501            if (name != null && name.startsWith(incomplete)) {
4502                completions.add(name + (firstWord ? ": " : " "));
4503            }
4504        }
4505        Collections.sort(completions);
4506        if (completions.size() > completionIndex) {
4507            String completion = completions.get(completionIndex).substring(incomplete.length());
4508            this.binding
4509                    .textinput
4510                    .getEditableText()
4511                    .delete(lastCompletionCursor, lastCompletionCursor + lastCompletionLength);
4512            this.binding.textinput.getEditableText().insert(lastCompletionCursor, completion);
4513            lastCompletionLength = completion.length();
4514        } else {
4515            completionIndex = -1;
4516            this.binding
4517                    .textinput
4518                    .getEditableText()
4519                    .delete(lastCompletionCursor, lastCompletionCursor + lastCompletionLength);
4520            lastCompletionLength = 0;
4521        }
4522        return true;
4523    }
4524
4525    private void startPendingIntent(PendingIntent pendingIntent, int requestCode) {
4526        try {
4527            getActivity()
4528                    .startIntentSenderForResult(
4529                            pendingIntent.getIntentSender(), requestCode, null, 0, 0, 0, Compatibility.pgpStartIntentSenderOptions());
4530        } catch (final SendIntentException ignored) {
4531        }
4532    }
4533
4534    @Override
4535    public void onBackendConnected() {
4536        Log.d(Config.LOGTAG, "ConversationFragment.onBackendConnected()");
4537        setupEmojiSearch();
4538        String uuid = pendingConversationsUuid.pop();
4539        if (uuid != null) {
4540            if (!findAndReInitByUuidOrArchive(uuid)) {
4541                return;
4542            }
4543        } else {
4544            if (!activity.xmppConnectionService.isConversationStillOpen(conversation)) {
4545                clearPending();
4546                activity.onConversationArchived(conversation);
4547                return;
4548            }
4549        }
4550        ActivityResult activityResult = postponedActivityResult.pop();
4551        if (activityResult != null) {
4552            handleActivityResult(activityResult);
4553        }
4554        clearPending();
4555    }
4556
4557    private boolean findAndReInitByUuidOrArchive(@NonNull final String uuid) {
4558        Conversation conversation = activity.xmppConnectionService.findConversationByUuid(uuid);
4559        if (conversation == null) {
4560            clearPending();
4561            activity.onConversationArchived(null);
4562            return false;
4563        }
4564        reInit(conversation);
4565        ScrollState scrollState = pendingScrollState.pop();
4566        String lastMessageUuid = pendingLastMessageUuid.pop();
4567        List<Attachment> attachments = pendingMediaPreviews.pop();
4568        if (scrollState != null) {
4569            setScrollPosition(scrollState, lastMessageUuid);
4570        }
4571        if (attachments != null && attachments.size() > 0) {
4572            Log.d(Config.LOGTAG, "had attachments on restore");
4573            mediaPreviewAdapter.addMediaPreviews(attachments);
4574            toggleInputMethod();
4575        }
4576        return true;
4577    }
4578
4579    private void clearPending() {
4580        if (postponedActivityResult.clear()) {
4581            Log.e(Config.LOGTAG, "cleared pending intent with unhandled result left");
4582            if (pendingTakePhotoUri.clear()) {
4583                Log.e(Config.LOGTAG, "cleared pending photo uri");
4584            }
4585        }
4586        if (pendingScrollState.clear()) {
4587            Log.e(Config.LOGTAG, "cleared scroll state");
4588        }
4589        if (pendingConversationsUuid.clear()) {
4590            Log.e(Config.LOGTAG, "cleared pending conversations uuid");
4591        }
4592        if (pendingMediaPreviews.clear()) {
4593            Log.e(Config.LOGTAG, "cleared pending media previews");
4594        }
4595    }
4596
4597    public Conversation getConversation() {
4598        return conversation;
4599    }
4600
4601    @Override
4602    public void onContactPictureLongClicked(View v, final Message message) {
4603        final String fingerprint;
4604        if (message.getEncryption() == Message.ENCRYPTION_PGP
4605                || message.getEncryption() == Message.ENCRYPTION_DECRYPTED) {
4606            fingerprint = "pgp";
4607        } else {
4608            fingerprint = message.getFingerprint();
4609        }
4610        final PopupMenu popupMenu = new PopupMenu(getActivity(), v);
4611        final Contact contact = message.getContact();
4612        if (message.getStatus() <= Message.STATUS_RECEIVED
4613                && (contact == null || !contact.isSelf())) {
4614            if (message.getConversation().getMode() == Conversation.MODE_MULTI) {
4615                final Jid cp = message.getCounterpart();
4616                if (cp == null || cp.isBareJid()) {
4617                    return;
4618                }
4619                final Jid tcp = message.getTrueCounterpart();
4620                final String occupantId = message.getOccupantId();
4621                final User userByRealJid =
4622                        tcp != null
4623                                ? conversation.getMucOptions().findOrCreateUserByRealJid(tcp, cp, occupantId)
4624                                : null;
4625                final User userByOccupantId =
4626                        occupantId != null
4627                                ? conversation.getMucOptions().findUserByOccupantId(occupantId, cp)
4628                                : null;
4629                final User user =
4630                        userByRealJid != null
4631                                ? userByRealJid
4632                                : (userByOccupantId != null ? userByOccupantId : conversation.getMucOptions().findUserByFullJid(cp));
4633                if (user == null) return;
4634                popupMenu.inflate(R.menu.muc_details_context);
4635                final Menu menu = popupMenu.getMenu();
4636                MucDetailsContextMenuHelper.configureMucDetailsContextMenu(
4637                        activity, menu, conversation, user);
4638                popupMenu.setOnMenuItemClickListener(
4639                        menuItem ->
4640                                MucDetailsContextMenuHelper.onContextItemSelected(
4641                                        menuItem, user, activity, fingerprint));
4642            } else {
4643                popupMenu.inflate(R.menu.one_on_one_context);
4644                popupMenu.setOnMenuItemClickListener(
4645                        item -> {
4646                            switch (item.getItemId()) {
4647                                case R.id.action_contact_details:
4648                                    activity.switchToContactDetails(
4649                                            message.getContact(), fingerprint);
4650                                    break;
4651                                case R.id.action_show_qr_code:
4652                                    activity.showQrCode(
4653                                            "xmpp:"
4654                                                    + message.getContact()
4655                                                            .getJid()
4656                                                            .asBareJid()
4657                                                            .toEscapedString());
4658                                    break;
4659                            }
4660                            return true;
4661                        });
4662            }
4663        } else {
4664            popupMenu.inflate(R.menu.account_context);
4665            final Menu menu = popupMenu.getMenu();
4666            menu.findItem(R.id.action_manage_accounts)
4667                    .setVisible(QuickConversationsService.isConversations());
4668            popupMenu.setOnMenuItemClickListener(
4669                    item -> {
4670                        final XmppActivity activity = this.activity;
4671                        if (activity == null) {
4672                            Log.e(Config.LOGTAG, "Unable to perform action. no context provided");
4673                            return true;
4674                        }
4675                        switch (item.getItemId()) {
4676                            case R.id.action_show_qr_code:
4677                                activity.showQrCode(conversation.getAccount().getShareableUri());
4678                                break;
4679                            case R.id.action_account_details:
4680                                activity.switchToAccount(
4681                                        message.getConversation().getAccount(), fingerprint);
4682                                break;
4683                            case R.id.action_manage_accounts:
4684                                AccountUtils.launchManageAccounts(activity);
4685                                break;
4686                        }
4687                        return true;
4688                    });
4689        }
4690        popupMenu.show();
4691    }
4692
4693    @Override
4694    public void onContactPictureClicked(Message message) {
4695        setThread(message.getThread());
4696        if (message.isPrivateMessage()) {
4697            privateMessageWith(message.getCounterpart());
4698            return;
4699        }
4700        forkNullThread(message);
4701        conversation.setUserSelectedThread(true);
4702
4703        final boolean received = message.getStatus() <= Message.STATUS_RECEIVED;
4704        if (received) {
4705            if (message.getConversation() instanceof Conversation
4706                    && message.getConversation().getMode() == Conversation.MODE_MULTI) {
4707                Jid tcp = message.getTrueCounterpart();
4708                Jid user = message.getCounterpart();
4709                if (user != null && !user.isBareJid()) {
4710                    final MucOptions mucOptions =
4711                            ((Conversation) message.getConversation()).getMucOptions();
4712                    if (mucOptions.participating()
4713                            || ((Conversation) message.getConversation()).getNextCounterpart()
4714                                    != null) {
4715                        MucOptions.User mucUser = mucOptions.findUserByFullJid(user);
4716                        MucOptions.User tcpMucUser = mucOptions.findUserByRealJid(tcp == null ? null : tcp.asBareJid());
4717                        if (mucUser == null && tcpMucUser == null) {
4718                            Toast.makeText(
4719                                            getActivity(),
4720                                            activity.getString(
4721                                                    R.string.user_has_left_conference,
4722                                                    user.getResource()),
4723                                            Toast.LENGTH_SHORT)
4724                                    .show();
4725                        }
4726                        highlightInConference(mucUser == null || mucUser.getNick() == null ? (tcpMucUser == null || tcpMucUser.getNick() == null ? user.getResource() : tcpMucUser.getNick()) : mucUser.getNick());
4727                    } else {
4728                        Toast.makeText(
4729                                        getActivity(),
4730                                        R.string.you_are_not_participating,
4731                                        Toast.LENGTH_SHORT)
4732                                .show();
4733                    }
4734                }
4735            }
4736        }
4737    }
4738
4739    private Activity requireActivity() {
4740        Activity activity = getActivity();
4741        if (activity == null) activity = this.activity;
4742        if (activity == null) {
4743            throw new IllegalStateException("Activity not attached");
4744        }
4745        return activity;
4746    }
4747}