ConversationFragment.java

   1package eu.siacs.conversations.ui;
   2
   3import static eu.siacs.conversations.ui.XmppActivity.EXTRA_ACCOUNT;
   4import static eu.siacs.conversations.ui.XmppActivity.REQUEST_INVITE_TO_CONVERSATION;
   5import static eu.siacs.conversations.ui.util.SoftKeyboardUtils.hideSoftKeyboard;
   6import static eu.siacs.conversations.utils.PermissionUtils.allGranted;
   7import static eu.siacs.conversations.utils.PermissionUtils.audioGranted;
   8import static eu.siacs.conversations.utils.PermissionUtils.cameraGranted;
   9import static eu.siacs.conversations.utils.PermissionUtils.getFirstDenied;
  10import static eu.siacs.conversations.utils.PermissionUtils.writeGranted;
  11
  12import android.Manifest;
  13import android.annotation.SuppressLint;
  14import android.app.Activity;
  15import android.app.DatePickerDialog;
  16import android.app.Fragment;
  17import android.app.FragmentManager;
  18import android.app.PendingIntent;
  19import android.app.TimePickerDialog;
  20import android.content.ActivityNotFoundException;
  21import android.content.Context;
  22import android.content.DialogInterface;
  23import android.content.Intent;
  24import android.content.IntentSender.SendIntentException;
  25import android.content.SharedPreferences;
  26import android.content.pm.PackageManager;
  27import android.content.res.ColorStateList;
  28import android.graphics.Color;
  29import android.icu.util.Calendar;
  30import android.icu.util.TimeZone;
  31import android.net.Uri;
  32import android.os.Build;
  33import android.os.Bundle;
  34import android.os.Environment;
  35import android.os.Handler;
  36import android.os.Looper;
  37import android.os.storage.StorageManager;
  38import android.os.SystemClock;
  39import android.preference.PreferenceManager;
  40import android.provider.MediaStore;
  41import android.text.Editable;
  42import android.text.SpannableStringBuilder;
  43import android.text.TextUtils;
  44import android.text.TextWatcher;
  45import android.text.style.ImageSpan;
  46import android.util.DisplayMetrics;
  47import android.util.Log;
  48import android.view.ContextMenu;
  49import android.view.ContextMenu.ContextMenuInfo;
  50import android.view.Gravity;
  51import android.view.LayoutInflater;
  52import android.view.Menu;
  53import android.view.MenuInflater;
  54import android.view.MenuItem;
  55import android.view.MotionEvent;
  56import android.view.View;
  57import android.view.View.OnClickListener;
  58import android.view.ViewGroup;
  59import android.view.inputmethod.EditorInfo;
  60import android.view.inputmethod.InputMethodManager;
  61import android.view.WindowManager;
  62import android.widget.AbsListView;
  63import android.widget.AbsListView.OnScrollListener;
  64import android.widget.AdapterView;
  65import android.widget.AdapterView.AdapterContextMenuInfo;
  66import android.widget.CheckBox;
  67import android.widget.ListView;
  68import android.widget.PopupMenu;
  69import android.widget.PopupWindow;
  70import android.widget.TextView.OnEditorActionListener;
  71import android.widget.Toast;
  72
  73import androidx.activity.OnBackPressedCallback;
  74import androidx.annotation.IdRes;
  75import androidx.annotation.NonNull;
  76import androidx.annotation.Nullable;
  77import androidx.annotation.StringRes;
  78import androidx.appcompat.app.AlertDialog;
  79import androidx.core.content.pm.ShortcutInfoCompat;
  80import androidx.core.content.pm.ShortcutManagerCompat;
  81import androidx.core.graphics.ColorUtils;
  82import androidx.core.view.inputmethod.InputConnectionCompat;
  83import androidx.core.view.inputmethod.InputContentInfoCompat;
  84import androidx.databinding.DataBindingUtil;
  85import androidx.documentfile.provider.DocumentFile;
  86import androidx.recyclerview.widget.RecyclerView.Adapter;
  87import androidx.viewpager.widget.PagerAdapter;
  88import androidx.viewpager.widget.ViewPager;
  89
  90import com.cheogram.android.BobTransfer;
  91import com.cheogram.android.EmojiSearch;
  92import com.cheogram.android.WebxdcPage;
  93import com.cheogram.android.WebxdcStore;
  94
  95import com.google.android.material.color.MaterialColors;
  96import com.google.android.material.dialog.MaterialAlertDialogBuilder;
  97import com.google.common.base.Optional;
  98import com.google.common.collect.Collections2;
  99import com.google.common.collect.ImmutableList;
 100import com.google.common.collect.Lists;
 101import com.google.common.collect.Ordering;
 102
 103import com.otaliastudios.autocomplete.Autocomplete;
 104import com.otaliastudios.autocomplete.AutocompleteCallback;
 105import com.otaliastudios.autocomplete.AutocompletePresenter;
 106import com.otaliastudios.autocomplete.CharPolicy;
 107import com.otaliastudios.autocomplete.RecyclerViewPresenter;
 108
 109import org.jetbrains.annotations.NotNull;
 110
 111import io.ipfs.cid.Cid;
 112
 113import java.io.File;
 114import java.net.URISyntaxException;
 115import java.util.AbstractMap;
 116import java.util.ArrayList;
 117import java.util.Arrays;
 118import java.util.Collection;
 119import java.util.Collections;
 120import java.util.HashSet;
 121import java.util.Iterator;
 122import java.util.List;
 123import java.util.Locale;
 124import java.util.Map;
 125import java.util.Set;
 126import java.util.UUID;
 127import java.util.concurrent.atomic.AtomicBoolean;
 128import java.util.regex.Matcher;
 129import java.util.regex.Pattern;
 130import java.util.stream.Collectors;
 131
 132import eu.siacs.conversations.Config;
 133import eu.siacs.conversations.R;
 134import eu.siacs.conversations.crypto.axolotl.AxolotlService;
 135import eu.siacs.conversations.crypto.axolotl.FingerprintStatus;
 136import eu.siacs.conversations.databinding.EmojiSearchBinding;
 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 EmojiSearchBinding emojiSearchBinding = null;
 278    private PopupWindow emojiPopup = null;
 279    private final OnClickListener clickToMuc =
 280            new OnClickListener() {
 281
 282                @Override
 283                public void onClick(View v) {
 284                    ConferenceDetailsActivity.open(getActivity(), conversation);
 285                }
 286            };
 287    private final OnClickListener leaveMuc =
 288            new OnClickListener() {
 289
 290                @Override
 291                public void onClick(View v) {
 292                    activity.xmppConnectionService.archiveConversation(conversation);
 293                }
 294            };
 295    private final OnClickListener joinMuc =
 296            new OnClickListener() {
 297
 298                @Override
 299                public void onClick(View v) {
 300                    activity.xmppConnectionService.joinMuc(conversation);
 301                }
 302            };
 303
 304    private final OnClickListener acceptJoin =
 305            new OnClickListener() {
 306                @Override
 307                public void onClick(View v) {
 308                    conversation.setAttribute("accept_non_anonymous", true);
 309                    activity.xmppConnectionService.updateConversation(conversation);
 310                    activity.xmppConnectionService.joinMuc(conversation);
 311                }
 312            };
 313
 314    private final OnClickListener enterPassword =
 315            new OnClickListener() {
 316
 317                @Override
 318                public void onClick(View v) {
 319                    MucOptions muc = conversation.getMucOptions();
 320                    String password = muc.getPassword();
 321                    if (password == null) {
 322                        password = "";
 323                    }
 324                    activity.quickPasswordEdit(
 325                            password,
 326                            value -> {
 327                                activity.xmppConnectionService.providePasswordForMuc(
 328                                        conversation, value);
 329                                return null;
 330                            });
 331                }
 332            };
 333    private final OnScrollListener mOnScrollListener =
 334            new OnScrollListener() {
 335
 336                @Override
 337                public void onScrollStateChanged(AbsListView view, int scrollState) {
 338                    if (AbsListView.OnScrollListener.SCROLL_STATE_IDLE == scrollState) {
 339                        updateThreadFromLastMessage();
 340                        fireReadEvent();
 341                    }
 342                }
 343
 344                @Override
 345                public void onScroll(
 346                        final AbsListView view,
 347                        int firstVisibleItem,
 348                        int visibleItemCount,
 349                        int totalItemCount) {
 350                    toggleScrollDownButton(view);
 351                    synchronized (ConversationFragment.this.messageList) {
 352                        if (firstVisibleItem < 5
 353                                && conversation != null
 354                                && conversation.messagesLoaded.compareAndSet(true, false)
 355                                && messageList.size() > 0) {
 356                            long timestamp = conversation.loadMoreTimestamp();
 357                            activity.xmppConnectionService.loadMoreMessages(
 358                                    conversation,
 359                                    timestamp,
 360                                    new XmppConnectionService.OnMoreMessagesLoaded() {
 361                                        @Override
 362                                        public void onMoreMessagesLoaded(
 363                                                final int c, final Conversation conversation) {
 364                                            if (ConversationFragment.this.conversation
 365                                                    != conversation) {
 366                                                conversation.messagesLoaded.set(true);
 367                                                return;
 368                                            }
 369                                            runOnUiThread(
 370                                                    () -> {
 371                                                        synchronized (messageList) {
 372                                                            final int oldPosition =
 373                                                                    binding.messagesView
 374                                                                            .getFirstVisiblePosition();
 375                                                            Message message = null;
 376                                                            int childPos;
 377                                                            for (childPos = 0;
 378                                                                    childPos + oldPosition
 379                                                                            < messageList.size();
 380                                                                    ++childPos) {
 381                                                                message =
 382                                                                        messageList.get(
 383                                                                                oldPosition
 384                                                                                        + childPos);
 385                                                                if (message.getType()
 386                                                                        != Message.TYPE_STATUS) {
 387                                                                    break;
 388                                                                }
 389                                                            }
 390                                                            final String uuid =
 391                                                                    message != null
 392                                                                            ? message.getUuid()
 393                                                                            : null;
 394                                                            View v =
 395                                                                    binding.messagesView.getChildAt(
 396                                                                            childPos);
 397                                                            final int pxOffset =
 398                                                                    (v == null) ? 0 : v.getTop();
 399                                                            ConversationFragment.this.conversation
 400                                                                    .populateWithMessages(
 401                                                                            ConversationFragment
 402                                                                                    .this
 403                                                                                    .messageList, activity == null ? null : activity.xmppConnectionService);
 404                                                            try {
 405                                                                updateStatusMessages();
 406                                                            } catch (IllegalStateException e) {
 407                                                                Log.d(
 408                                                                        Config.LOGTAG,
 409                                                                        "caught illegal state exception while updating status messages");
 410                                                            }
 411                                                            messageListAdapter
 412                                                                    .notifyDataSetChanged();
 413                                                            int pos =
 414                                                                    Math.max(
 415                                                                            getIndexOf(
 416                                                                                    uuid,
 417                                                                                    messageList),
 418                                                                            0);
 419                                                            binding.messagesView
 420                                                                    .setSelectionFromTop(
 421                                                                            pos, pxOffset);
 422                                                            if (messageLoaderToast != null) {
 423                                                                messageLoaderToast.cancel();
 424                                                            }
 425                                                            conversation.messagesLoaded.set(true);
 426                                                        }
 427                                                    });
 428                                        }
 429
 430                                        @Override
 431                                        public void informUser(final int resId) {
 432
 433                                            runOnUiThread(
 434                                                    () -> {
 435                                                        if (messageLoaderToast != null) {
 436                                                            messageLoaderToast.cancel();
 437                                                        }
 438                                                        if (ConversationFragment.this.conversation
 439                                                                != conversation) {
 440                                                            return;
 441                                                        }
 442                                                        messageLoaderToast =
 443                                                                Toast.makeText(
 444                                                                        view.getContext(),
 445                                                                        resId,
 446                                                                        Toast.LENGTH_LONG);
 447                                                        messageLoaderToast.show();
 448                                                    });
 449                                        }
 450                                    });
 451                        }
 452                    }
 453                }
 454            };
 455    private final EditMessage.OnCommitContentListener mEditorContentListener =
 456            new EditMessage.OnCommitContentListener() {
 457                @Override
 458                public boolean onCommitContent(
 459                        InputContentInfoCompat inputContentInfo,
 460                        int flags,
 461                        Bundle opts,
 462                        String[] contentMimeTypes) {
 463                    // try to get permission to read the image, if applicable
 464                    if ((flags & InputConnectionCompat.INPUT_CONTENT_GRANT_READ_URI_PERMISSION)
 465                            != 0) {
 466                        try {
 467                            inputContentInfo.requestPermission();
 468                        } catch (Exception e) {
 469                            Log.e(
 470                                    Config.LOGTAG,
 471                                    "InputContentInfoCompat#requestPermission() failed.",
 472                                    e);
 473                            Toast.makeText(
 474                                            getActivity(),
 475                                            activity.getString(
 476                                                    R.string.no_permission_to_access_x,
 477                                                    inputContentInfo.getDescription()),
 478                                            Toast.LENGTH_LONG)
 479                                    .show();
 480                            return false;
 481                        }
 482                    }
 483                    if (hasPermissions(
 484                            REQUEST_ADD_EDITOR_CONTENT,
 485                            Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
 486                        attachEditorContentToConversation(inputContentInfo.getContentUri());
 487                    } else {
 488                        mPendingEditorContent = inputContentInfo.getContentUri();
 489                    }
 490                    return true;
 491                }
 492            };
 493    private Message selectedMessage;
 494    private final OnClickListener mEnableAccountListener =
 495            new OnClickListener() {
 496                @Override
 497                public void onClick(View v) {
 498                    final Account account = conversation == null ? null : conversation.getAccount();
 499                    if (account != null) {
 500                        account.setOption(Account.OPTION_SOFT_DISABLED, false);
 501                        account.setOption(Account.OPTION_DISABLED, false);
 502                        activity.xmppConnectionService.updateAccount(account);
 503                    }
 504                }
 505            };
 506    private final OnClickListener mUnblockClickListener =
 507            new OnClickListener() {
 508                @Override
 509                public void onClick(final View v) {
 510                    v.post(() -> v.setVisibility(View.INVISIBLE));
 511                    if (conversation.isDomainBlocked()) {
 512                        BlockContactDialog.show(activity, conversation);
 513                    } else {
 514                        unblockConversation(conversation);
 515                    }
 516                }
 517            };
 518    private final OnClickListener mBlockClickListener = this::showBlockSubmenu;
 519    private final OnClickListener mAddBackClickListener =
 520            new OnClickListener() {
 521
 522                @Override
 523                public void onClick(View v) {
 524                    final Contact contact = conversation == null ? null : conversation.getContact();
 525                    if (contact != null) {
 526                        activity.xmppConnectionService.createContact(contact, true);
 527                        activity.switchToContactDetails(contact);
 528                    }
 529                }
 530            };
 531    private final View.OnLongClickListener mLongPressBlockListener = this::showBlockSubmenu;
 532    private final OnClickListener mAllowPresenceSubscription =
 533            new OnClickListener() {
 534                @Override
 535                public void onClick(View v) {
 536                    final Contact contact = conversation == null ? null : conversation.getContact();
 537                    if (contact != null) {
 538                        activity.xmppConnectionService.sendPresencePacket(
 539                                contact.getAccount(),
 540                                activity.xmppConnectionService
 541                                        .getPresenceGenerator()
 542                                        .sendPresenceUpdatesTo(contact));
 543                        hideSnackbar();
 544                    }
 545                }
 546            };
 547    protected OnClickListener clickToDecryptListener =
 548            new OnClickListener() {
 549
 550                @Override
 551                public void onClick(View v) {
 552                    PendingIntent pendingIntent =
 553                            conversation.getAccount().getPgpDecryptionService().getPendingIntent();
 554                    if (pendingIntent != null) {
 555                        try {
 556                            getActivity()
 557                                    .startIntentSenderForResult(
 558                                            pendingIntent.getIntentSender(),
 559                                            REQUEST_DECRYPT_PGP,
 560                                            null,
 561                                            0,
 562                                            0,
 563                                            0,
 564                                            Compatibility.pgpStartIntentSenderOptions());
 565                        } catch (SendIntentException e) {
 566                            Toast.makeText(
 567                                            getActivity(),
 568                                            R.string.unable_to_connect_to_keychain,
 569                                            Toast.LENGTH_SHORT)
 570                                    .show();
 571                            conversation
 572                                    .getAccount()
 573                                    .getPgpDecryptionService()
 574                                    .continueDecryption(true);
 575                        }
 576                    }
 577                    updateSnackBar(conversation);
 578                }
 579            };
 580    private final AtomicBoolean mSendingPgpMessage = new AtomicBoolean(false);
 581    private final OnEditorActionListener mEditorActionListener =
 582            (v, actionId, event) -> {
 583                if (actionId == EditorInfo.IME_ACTION_SEND) {
 584                    InputMethodManager imm =
 585                            (InputMethodManager)
 586                                    activity.getSystemService(Context.INPUT_METHOD_SERVICE);
 587                    if (imm != null && imm.isFullscreenMode()) {
 588                        imm.hideSoftInputFromWindow(v.getWindowToken(), 0);
 589                    }
 590                    sendMessage();
 591                    return true;
 592                } else {
 593                    return false;
 594                }
 595            };
 596    private final OnClickListener mScrollButtonListener =
 597            new OnClickListener() {
 598
 599                @Override
 600                public void onClick(View v) {
 601                    stopScrolling();
 602                    setSelection(binding.messagesView.getCount() - 1, true);
 603                }
 604            };
 605    private final OnClickListener mSendButtonListener =
 606            new OnClickListener() {
 607
 608                @Override
 609                public void onClick(View v) {
 610                    Object tag = v.getTag();
 611                    if (tag instanceof SendButtonAction) {
 612                        SendButtonAction action = (SendButtonAction) tag;
 613                        switch (action) {
 614                            case TAKE_PHOTO:
 615                            case RECORD_VIDEO:
 616                            case SEND_LOCATION:
 617                            case RECORD_VOICE:
 618                            case CHOOSE_PICTURE:
 619                                attachFile(action.toChoice());
 620                                break;
 621                            case CANCEL:
 622                                if (conversation != null) {
 623                                    conversation.setUserSelectedThread(false);
 624                                    if (conversation.setCorrectingMessage(null)) {
 625                                        binding.textinput.setText("");
 626                                        binding.textinput.append(conversation.getDraftMessage());
 627                                        conversation.setDraftMessage(null);
 628                                    } else if (conversation.getMode() == Conversation.MODE_MULTI) {
 629                                        conversation.setNextCounterpart(null);
 630                                        binding.textinput.setText("");
 631                                    } else {
 632                                        binding.textinput.setText("");
 633                                    }
 634                                    binding.textinputSubject.setText("");
 635                                    binding.textinputSubject.setVisibility(View.GONE);
 636                                    updateChatMsgHint();
 637                                    updateSendButton();
 638                                    updateEditablity();
 639                                }
 640                                break;
 641                            default:
 642                                sendMessage();
 643                        }
 644                    } else {
 645                        sendMessage();
 646                    }
 647                }
 648            };
 649    private OnBackPressedCallback backPressedLeaveSingleThread = new OnBackPressedCallback(false) {
 650        @Override
 651        public void handleOnBackPressed() {
 652            conversation.setLockThread(false);
 653            this.setEnabled(false);
 654            conversation.setUserSelectedThread(false);
 655            setThread(null);
 656            refresh();
 657            updateThreadFromLastMessage();
 658        }
 659    };
 660    private int completionIndex = 0;
 661    private int lastCompletionLength = 0;
 662    private String incomplete;
 663    private int lastCompletionCursor;
 664    private boolean firstWord = false;
 665    private Message mPendingDownloadableMessage;
 666
 667    private static ConversationFragment findConversationFragment(Activity activity) {
 668        Fragment fragment = activity.getFragmentManager().findFragmentById(R.id.main_fragment);
 669        if (fragment instanceof ConversationFragment) {
 670            return (ConversationFragment) fragment;
 671        }
 672        fragment = activity.getFragmentManager().findFragmentById(R.id.secondary_fragment);
 673        if (fragment instanceof ConversationFragment) {
 674            return (ConversationFragment) fragment;
 675        }
 676        return null;
 677    }
 678
 679    public static void startStopPending(Activity activity) {
 680        ConversationFragment fragment = findConversationFragment(activity);
 681        if (fragment != null) {
 682            fragment.messageListAdapter.startStopPending();
 683        }
 684    }
 685
 686    public static void downloadFile(Activity activity, Message message) {
 687        ConversationFragment fragment = findConversationFragment(activity);
 688        if (fragment != null) {
 689            fragment.startDownloadable(message);
 690        }
 691    }
 692
 693    public static void registerPendingMessage(Activity activity, Message message) {
 694        ConversationFragment fragment = findConversationFragment(activity);
 695        if (fragment != null) {
 696            fragment.pendingMessage.push(message);
 697        }
 698    }
 699
 700    public static void openPendingMessage(Activity activity) {
 701        ConversationFragment fragment = findConversationFragment(activity);
 702        if (fragment != null) {
 703            Message message = fragment.pendingMessage.pop();
 704            if (message != null) {
 705                fragment.messageListAdapter.openDownloadable(message);
 706            }
 707        }
 708    }
 709
 710    public static Conversation getConversation(Activity activity) {
 711        return getConversation(activity, R.id.secondary_fragment);
 712    }
 713
 714    private static Conversation getConversation(Activity activity, @IdRes int res) {
 715        final Fragment fragment = activity.getFragmentManager().findFragmentById(res);
 716        if (fragment instanceof ConversationFragment) {
 717            return ((ConversationFragment) fragment).getConversation();
 718        } else {
 719            return null;
 720        }
 721    }
 722
 723    public static ConversationFragment get(Activity activity) {
 724        FragmentManager fragmentManager = activity.getFragmentManager();
 725        Fragment fragment = fragmentManager.findFragmentById(R.id.main_fragment);
 726        if (fragment instanceof ConversationFragment) {
 727            return (ConversationFragment) fragment;
 728        } else {
 729            fragment = fragmentManager.findFragmentById(R.id.secondary_fragment);
 730            return fragment instanceof ConversationFragment
 731                    ? (ConversationFragment) fragment
 732                    : null;
 733        }
 734    }
 735
 736    public static Conversation getConversationReliable(Activity activity) {
 737        final Conversation conversation = getConversation(activity, R.id.secondary_fragment);
 738        if (conversation != null) {
 739            return conversation;
 740        }
 741        return getConversation(activity, R.id.main_fragment);
 742    }
 743
 744    private static boolean scrolledToBottom(AbsListView listView) {
 745        final int count = listView.getCount();
 746        if (count == 0) {
 747            return true;
 748        } else if (listView.getLastVisiblePosition() == count - 1) {
 749            final View lastChild = listView.getChildAt(listView.getChildCount() - 1);
 750            return lastChild != null && lastChild.getBottom() <= listView.getHeight();
 751        } else {
 752            return false;
 753        }
 754    }
 755
 756    private void toggleScrollDownButton() {
 757        toggleScrollDownButton(binding.messagesView);
 758    }
 759
 760    private void toggleScrollDownButton(AbsListView listView) {
 761        if (conversation == null) {
 762            return;
 763        }
 764        if (scrolledToBottom(listView)) {
 765            lastMessageUuid = null;
 766            hideUnreadMessagesCount();
 767        } else {
 768            binding.scrollToBottomButton.setEnabled(true);
 769            binding.scrollToBottomButton.show();
 770            if (lastMessageUuid == null) {
 771                lastMessageUuid = conversation.getLatestMessage().getUuid();
 772            }
 773            if (conversation.getReceivedMessagesCountSinceUuid(lastMessageUuid) > 0) {
 774                binding.unreadCountCustomView.setVisibility(View.VISIBLE);
 775            }
 776        }
 777    }
 778
 779    private int getIndexOf(String uuid, List<Message> messages) {
 780        if (uuid == null) {
 781            return messages.size() - 1;
 782        }
 783        for (int i = 0; i < messages.size(); ++i) {
 784            if (uuid.equals(messages.get(i).getUuid())) {
 785                return i;
 786            } else {
 787                Message next = messages.get(i);
 788                while (next != null && next.wasMergedIntoPrevious(activity == null ? null : activity.xmppConnectionService)) {
 789                    if (uuid.equals(next.getUuid())) {
 790                        return i;
 791                    }
 792                    next = next.next();
 793                }
 794            }
 795        }
 796        return -1;
 797    }
 798
 799    private ScrollState getScrollPosition() {
 800        final ListView listView = this.binding == null ? null : this.binding.messagesView;
 801        if (listView == null
 802                || listView.getCount() == 0
 803                || listView.getLastVisiblePosition() == listView.getCount() - 1) {
 804            return null;
 805        } else {
 806            final int pos = listView.getFirstVisiblePosition();
 807            final View view = listView.getChildAt(0);
 808            if (view == null) {
 809                return null;
 810            } else {
 811                return new ScrollState(pos, view.getTop());
 812            }
 813        }
 814    }
 815
 816    private void setScrollPosition(ScrollState scrollPosition, String lastMessageUuid) {
 817        if (scrollPosition != null) {
 818
 819            this.lastMessageUuid = lastMessageUuid;
 820            if (lastMessageUuid != null) {
 821                binding.unreadCountCustomView.setUnreadCount(
 822                        conversation.getReceivedMessagesCountSinceUuid(lastMessageUuid));
 823            }
 824            // TODO maybe this needs a 'post'
 825            this.binding.messagesView.setSelectionFromTop(
 826                    scrollPosition.position, scrollPosition.offset);
 827            toggleScrollDownButton();
 828        }
 829    }
 830
 831    private void attachLocationToConversation(Conversation conversation, Uri uri) {
 832        if (conversation == null) {
 833            return;
 834        }
 835        final String subject = binding.textinputSubject.getText().toString();
 836        activity.xmppConnectionService.attachLocationToConversation(
 837                conversation,
 838                uri,
 839                subject,
 840                new UiCallback<Message>() {
 841
 842                    @Override
 843                    public void success(Message message) {
 844                        messageSent();
 845                    }
 846
 847                    @Override
 848                    public void error(int errorCode, Message object) {
 849                        // TODO show possible pgp error
 850                    }
 851
 852                    @Override
 853                    public void userInputRequired(PendingIntent pi, Message object) {}
 854                });
 855    }
 856
 857    private void attachFileToConversation(Conversation conversation, Uri uri, String type) {
 858        if (conversation == null) {
 859            return;
 860        }
 861        final String subject = binding.textinputSubject.getText().toString();
 862        if ("application/xdc+zip".equals(type)) newSubThread();
 863        final Toast prepareFileToast =
 864                Toast.makeText(getActivity(), getText(R.string.preparing_file), Toast.LENGTH_LONG);
 865        prepareFileToast.show();
 866        activity.delegateUriPermissionsToService(uri);
 867        activity.xmppConnectionService.attachFileToConversation(
 868                conversation,
 869                uri,
 870                type,
 871                subject,
 872                new UiInformableCallback<Message>() {
 873                    @Override
 874                    public void inform(final String text) {
 875                        hidePrepareFileToast(prepareFileToast);
 876                        runOnUiThread(() -> activity.replaceToast(text));
 877                    }
 878
 879                    @Override
 880                    public void success(Message message) {
 881                        runOnUiThread(() -> {
 882                            activity.hideToast();
 883                            messageSent();
 884                        });
 885                        hidePrepareFileToast(prepareFileToast);
 886                    }
 887
 888                    @Override
 889                    public void error(final int errorCode, Message message) {
 890                        hidePrepareFileToast(prepareFileToast);
 891                        runOnUiThread(() -> activity.replaceToast(getString(errorCode)));
 892                    }
 893
 894                    @Override
 895                    public void userInputRequired(PendingIntent pi, Message message) {
 896                        hidePrepareFileToast(prepareFileToast);
 897                    }
 898                });
 899    }
 900
 901    public void attachEditorContentToConversation(Uri uri) {
 902        mediaPreviewAdapter.addMediaPreviews(
 903                Attachment.of(getActivity(), uri, Attachment.Type.FILE));
 904        toggleInputMethod();
 905    }
 906
 907    private void attachImageToConversation(Conversation conversation, Uri uri, String type) {
 908        if (conversation == null) {
 909            return;
 910        }
 911        final String subject = binding.textinputSubject.getText().toString();
 912        final Toast prepareFileToast =
 913                Toast.makeText(getActivity(), getText(R.string.preparing_image), Toast.LENGTH_LONG);
 914        prepareFileToast.show();
 915        activity.delegateUriPermissionsToService(uri);
 916        activity.xmppConnectionService.attachImageToConversation(
 917                conversation,
 918                uri,
 919                type,
 920                subject,
 921                new UiCallback<Message>() {
 922
 923                    @Override
 924                    public void userInputRequired(PendingIntent pi, Message object) {
 925                        hidePrepareFileToast(prepareFileToast);
 926                    }
 927
 928                    @Override
 929                    public void success(Message message) {
 930                        hidePrepareFileToast(prepareFileToast);
 931                        runOnUiThread(() -> messageSent());
 932                    }
 933
 934                    @Override
 935                    public void error(final int error, final Message message) {
 936                        hidePrepareFileToast(prepareFileToast);
 937                        final ConversationsActivity activity = ConversationFragment.this.activity;
 938                        if (activity == null) {
 939                            return;
 940                        }
 941                        activity.runOnUiThread(() -> activity.replaceToast(getString(error)));
 942                    }
 943                });
 944    }
 945
 946    private void hidePrepareFileToast(final Toast prepareFileToast) {
 947        if (prepareFileToast != null && activity != null) {
 948            activity.runOnUiThread(prepareFileToast::cancel);
 949        }
 950    }
 951
 952    private void sendMessage() {
 953        sendMessage((Long) null);
 954    }
 955
 956    private void sendMessage(Long sendAt) {
 957        if (sendAt != null && sendAt < System.currentTimeMillis()) sendAt = null; // No sending in past plz
 958        if (mediaPreviewAdapter.hasAttachments()) {
 959            commitAttachments();
 960            return;
 961        }
 962        Editable body = this.binding.textinput.getText();
 963        if (body == null) body = new SpannableStringBuilder("");
 964        final Conversation conversation = this.conversation;
 965        final boolean hasSubject = binding.textinputSubject.getText().length() > 0;
 966        if (conversation == null || (body.length() == 0 && (conversation.getThread() == null || !hasSubject))) {
 967            if (Build.VERSION.SDK_INT >= 24) {
 968                binding.textSendButton.showContextMenu(0, 0);
 969            } else {
 970                binding.textSendButton.showContextMenu();
 971            }
 972            return;
 973        }
 974        if (trustKeysIfNeeded(conversation, REQUEST_TRUST_KEYS_TEXT)) {
 975            return;
 976        }
 977        final Message message;
 978        if (conversation.getCorrectingMessage() == null) {
 979            boolean attention = false;
 980            if (Pattern.compile("\\A@here\\s.*").matcher(body).find()) {
 981                attention = true;
 982                body.delete(0, 6);
 983                while (body.length() > 0 && Character.isWhitespace(body.charAt(0))) body.delete(0, 1);
 984            }
 985            if (conversation.getReplyTo() != null) {
 986                if (Emoticons.isEmoji(body.toString().replaceAll("\\s", ""))) {
 987                    message = conversation.getReplyTo().react(body.toString().replaceAll("\\s", ""));
 988                } else {
 989                    message = conversation.getReplyTo().reply();
 990                    message.appendBody(body);
 991                }
 992                message.setEncryption(conversation.getNextEncryption());
 993            } else {
 994                message = new Message(conversation, body.toString(), conversation.getNextEncryption());
 995                message.setBody(hasSubject && body.length() == 0 ? null : body);
 996                if (message.bodyIsOnlyEmojis()) {
 997                    SpannableStringBuilder spannable = message.getSpannableBody(null, null);
 998                    ImageSpan[] imageSpans = spannable.getSpans(0, spannable.length(), ImageSpan.class);
 999                    if (imageSpans.length == 1) {
1000                        // Only one inline image, so it's a sticker
1001                        String source = imageSpans[0].getSource();
1002                        if (source != null && source.length() > 0 && source.substring(0, 4).equals("cid:")) {
1003                            try {
1004                                final Cid cid = BobTransfer.cid(Uri.parse(source));
1005                                final String url = activity.xmppConnectionService.getUrlForCid(cid);
1006                                final File f = activity.xmppConnectionService.getFileForCid(cid);
1007                                if (url != null) {
1008                                    message.setBody("");
1009                                    message.setRelativeFilePath(f.getAbsolutePath());
1010                                    activity.xmppConnectionService.getFileBackend().updateFileParams(message);
1011                                }
1012                            } catch (final Exception e) { }
1013                        }
1014                    }
1015                }
1016            }
1017            if (hasSubject) message.setSubject(binding.textinputSubject.getText().toString());
1018            message.setThread(conversation.getThread());
1019            if (attention) {
1020                message.addPayload(new Element("attention", "urn:xmpp:attention:0"));
1021            }
1022            Message.configurePrivateMessage(message);
1023        } else {
1024            message = conversation.getCorrectingMessage();
1025            if (hasSubject) message.setSubject(binding.textinputSubject.getText().toString());
1026            message.setThread(conversation.getThread());
1027            if (conversation.getReplyTo() != null) {
1028                if (Emoticons.isEmoji(body.toString().replaceAll("\\s", ""))) {
1029                    message.updateReaction(conversation.getReplyTo(), body.toString().replaceAll("\\s", ""));
1030                } else {
1031                    message.updateReplyTo(conversation.getReplyTo(), body);
1032                }
1033            } else {
1034                message.clearReplyReact();
1035                message.setBody(hasSubject && body.length() == 0 ? null : body);
1036            }
1037            if (message.getStatus() == Message.STATUS_WAITING) {
1038                if (sendAt != null) message.setTime(sendAt);
1039                activity.xmppConnectionService.updateMessage(message);
1040                setupReply(null);
1041                messageSent();
1042                return;
1043            } else {
1044                message.putEdited(message.getUuid(), message.getServerMsgId());
1045                message.setServerMsgId(null);
1046                message.setUuid(UUID.randomUUID().toString());
1047            }
1048        }
1049        if (sendAt != null) message.setTime(sendAt);
1050        switch (conversation.getNextEncryption()) {
1051            case Message.ENCRYPTION_PGP:
1052                sendPgpMessage(message);
1053                break;
1054            default:
1055                sendMessage(message);
1056        }
1057        setupReply(null);
1058    }
1059
1060    private boolean trustKeysIfNeeded(final Conversation conversation, final int requestCode) {
1061        return conversation.getNextEncryption() == Message.ENCRYPTION_AXOLOTL
1062                && trustKeysIfNeeded(requestCode);
1063    }
1064
1065    protected boolean trustKeysIfNeeded(int requestCode) {
1066        AxolotlService axolotlService = conversation.getAccount().getAxolotlService();
1067        final List<Jid> targets = axolotlService.getCryptoTargets(conversation);
1068        boolean hasUnaccepted = !conversation.getAcceptedCryptoTargets().containsAll(targets);
1069        boolean hasUndecidedOwn =
1070                !axolotlService
1071                        .getKeysWithTrust(FingerprintStatus.createActiveUndecided())
1072                        .isEmpty();
1073        boolean hasUndecidedContacts =
1074                !axolotlService
1075                        .getKeysWithTrust(FingerprintStatus.createActiveUndecided(), targets)
1076                        .isEmpty();
1077        boolean hasPendingKeys = !axolotlService.findDevicesWithoutSession(conversation).isEmpty();
1078        boolean hasNoTrustedKeys = axolotlService.anyTargetHasNoTrustedKeys(targets);
1079        boolean downloadInProgress = axolotlService.hasPendingKeyFetches(targets);
1080        if (hasUndecidedOwn
1081                || hasUndecidedContacts
1082                || hasPendingKeys
1083                || hasNoTrustedKeys
1084                || hasUnaccepted
1085                || downloadInProgress) {
1086            axolotlService.createSessionsIfNeeded(conversation);
1087            Intent intent = new Intent(getActivity(), TrustKeysActivity.class);
1088            String[] contacts = new String[targets.size()];
1089            for (int i = 0; i < contacts.length; ++i) {
1090                contacts[i] = targets.get(i).toString();
1091            }
1092            intent.putExtra("contacts", contacts);
1093            intent.putExtra(
1094                    EXTRA_ACCOUNT,
1095                    conversation.getAccount().getJid().asBareJid().toEscapedString());
1096            intent.putExtra("conversation", conversation.getUuid());
1097            startActivityForResult(intent, requestCode);
1098            return true;
1099        } else {
1100            return false;
1101        }
1102    }
1103
1104    public void updateChatMsgHint() {
1105        final boolean multi = conversation.getMode() == Conversation.MODE_MULTI;
1106        if (conversation.getCorrectingMessage() != null) {
1107            this.binding.textInputHint.setVisibility(View.GONE);
1108            this.binding.textinput.setHint(R.string.send_corrected_message);
1109            binding.conversationViewPager.setCurrentItem(0);
1110        } else if (multi && conversation.getNextCounterpart() != null) {
1111            this.binding.textinput.setHint(R.string.send_message);
1112            this.binding.textInputHint.setVisibility(View.VISIBLE);
1113            final MucOptions.User user = conversation.getMucOptions().findUserByName(conversation.getNextCounterpart().getResource());
1114            String nick = user == null ? null : user.getNick();
1115            if (nick == null) nick = conversation.getNextCounterpart().getResource();
1116            this.binding.textInputHint.setText(
1117                    getString(
1118                            R.string.send_private_message_to,
1119                            nick));
1120            binding.conversationViewPager.setCurrentItem(0);
1121        } else if (multi && !conversation.getMucOptions().participating()) {
1122            this.binding.textInputHint.setVisibility(View.GONE);
1123            this.binding.textinput.setHint(R.string.you_are_not_participating);
1124            this.binding.inputLayout.setBackgroundColor(android.R.color.transparent);
1125        } else {
1126            this.binding.textInputHint.setVisibility(View.GONE);
1127            if (activity != null) this.binding.textinput.setHint(UIHelper.getMessageHint(activity, conversation));
1128            this.binding.inputLayout.setBackground(activity.getDrawable(R.drawable.background_message_bubble));
1129            activity.invalidateOptionsMenu();
1130        }
1131
1132        binding.messagesView.post(this::updateThreadFromLastMessage);
1133    }
1134
1135    public void setupIme() {
1136        this.binding.textinput.refreshIme();
1137    }
1138
1139    private void handleActivityResult(ActivityResult activityResult) {
1140        if (activityResult.resultCode == Activity.RESULT_OK) {
1141            handlePositiveActivityResult(activityResult.requestCode, activityResult.data);
1142        } else {
1143            handleNegativeActivityResult(activityResult.requestCode);
1144        }
1145    }
1146
1147    private void handlePositiveActivityResult(int requestCode, final Intent data) {
1148        switch (requestCode) {
1149            case REQUEST_WEBXDC_STORE:
1150                mediaPreviewAdapter.addMediaPreviews(Attachment.of(activity, data.getData(), Attachment.Type.FILE));
1151                toggleInputMethod();
1152                break;
1153            case REQUEST_SAVE_STICKER:
1154                final DocumentFile df = DocumentFile.fromSingleUri(activity, data.getData());
1155                final File f = savingAsSticker;
1156                savingAsSticker = null;
1157                try {
1158                    activity.xmppConnectionService.getFileBackend().copyFileToDocumentFile(activity, f, df);
1159                    Toast.makeText(activity, "Sticker saved", Toast.LENGTH_SHORT).show();
1160                } catch (final FileBackend.FileCopyException e) {
1161                    Toast.makeText(activity, e.getResId(), Toast.LENGTH_SHORT).show();
1162                }
1163                break;
1164            case REQUEST_TRUST_KEYS_TEXT:
1165                sendMessage();
1166                break;
1167            case REQUEST_TRUST_KEYS_ATTACHMENTS:
1168                commitAttachments();
1169                break;
1170            case REQUEST_START_AUDIO_CALL:
1171                triggerRtpSession(RtpSessionActivity.ACTION_MAKE_VOICE_CALL);
1172                break;
1173            case REQUEST_START_VIDEO_CALL:
1174                triggerRtpSession(RtpSessionActivity.ACTION_MAKE_VIDEO_CALL);
1175                break;
1176            case ATTACHMENT_CHOICE_CHOOSE_IMAGE:
1177                final List<Attachment> imageUris =
1178                        Attachment.extractAttachments(getActivity(), data, Attachment.Type.IMAGE);
1179                mediaPreviewAdapter.addMediaPreviews(imageUris);
1180                toggleInputMethod();
1181                break;
1182            case ATTACHMENT_CHOICE_TAKE_PHOTO:
1183                final Uri takePhotoUri = pendingTakePhotoUri.pop();
1184                if (takePhotoUri != null) {
1185                    mediaPreviewAdapter.addMediaPreviews(
1186                            Attachment.of(getActivity(), takePhotoUri, Attachment.Type.IMAGE));
1187                    toggleInputMethod();
1188                } else {
1189                    Log.d(Config.LOGTAG, "lost take photo uri. unable to to attach");
1190                }
1191                break;
1192            case ATTACHMENT_CHOICE_CHOOSE_FILE:
1193            case ATTACHMENT_CHOICE_RECORD_VIDEO:
1194            case ATTACHMENT_CHOICE_RECORD_VOICE:
1195                final Attachment.Type type =
1196                        requestCode == ATTACHMENT_CHOICE_RECORD_VOICE
1197                                ? Attachment.Type.RECORDING
1198                                : Attachment.Type.FILE;
1199                final List<Attachment> fileUris =
1200                        Attachment.extractAttachments(getActivity(), data, type);
1201                mediaPreviewAdapter.addMediaPreviews(fileUris);
1202                toggleInputMethod();
1203                break;
1204            case ATTACHMENT_CHOICE_LOCATION:
1205                final double latitude = data.getDoubleExtra("latitude", 0);
1206                final double longitude = data.getDoubleExtra("longitude", 0);
1207                final int accuracy = data.getIntExtra("accuracy", 0);
1208                final Uri geo;
1209                if (accuracy > 0) {
1210                    geo = Uri.parse(String.format("geo:%s,%s;u=%s", latitude, longitude, accuracy));
1211                } else {
1212                    geo = Uri.parse(String.format("geo:%s,%s", latitude, longitude));
1213                }
1214                mediaPreviewAdapter.addMediaPreviews(
1215                        Attachment.of(getActivity(), geo, Attachment.Type.LOCATION));
1216                toggleInputMethod();
1217                break;
1218            case REQUEST_INVITE_TO_CONVERSATION:
1219                XmppActivity.ConferenceInvite invite = XmppActivity.ConferenceInvite.parse(data);
1220                if (invite != null) {
1221                    if (invite.execute(activity)) {
1222                        activity.mToast =
1223                                Toast.makeText(
1224                                        activity, R.string.creating_conference, Toast.LENGTH_LONG);
1225                        activity.mToast.show();
1226                    }
1227                }
1228                break;
1229        }
1230    }
1231
1232    private void commitAttachments() {
1233        final List<Attachment> attachments = mediaPreviewAdapter.getAttachments();
1234        if (anyNeedsExternalStoragePermission(attachments)
1235                && !hasPermissions(
1236                        REQUEST_COMMIT_ATTACHMENTS, Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
1237            return;
1238        }
1239        if (trustKeysIfNeeded(conversation, REQUEST_TRUST_KEYS_ATTACHMENTS)) {
1240            return;
1241        }
1242        final PresenceSelector.OnPresenceSelected callback =
1243                () -> {
1244                    for (Iterator<Attachment> i = attachments.iterator(); i.hasNext(); i.remove()) {
1245                        final Attachment attachment = i.next();
1246                        if (attachment.getType() == Attachment.Type.LOCATION) {
1247                            attachLocationToConversation(conversation, attachment.getUri());
1248                        } else if (attachment.getType() == Attachment.Type.IMAGE) {
1249                            Log.d(
1250                                    Config.LOGTAG,
1251                                    "ConversationsActivity.commitAttachments() - attaching image to conversations. CHOOSE_IMAGE");
1252                            attachImageToConversation(
1253                                    conversation, attachment.getUri(), attachment.getMime());
1254                        } else {
1255                            Log.d(
1256                                    Config.LOGTAG,
1257                                    "ConversationsActivity.commitAttachments() - attaching file to conversations. CHOOSE_FILE/RECORD_VOICE/RECORD_VIDEO");
1258                            attachFileToConversation(
1259                                    conversation, attachment.getUri(), attachment.getMime());
1260                        }
1261                    }
1262                    mediaPreviewAdapter.notifyDataSetChanged();
1263                    toggleInputMethod();
1264                };
1265        if (conversation == null
1266                || conversation.getMode() == Conversation.MODE_MULTI
1267                || Attachment.canBeSendInBand(attachments)
1268                || (conversation.getAccount().httpUploadAvailable()
1269                        && FileBackend.allFilesUnderSize(
1270                                getActivity(), attachments, getMaxHttpUploadSize(conversation)))) {
1271            callback.onPresenceSelected();
1272        } else {
1273            activity.selectPresence(conversation, callback);
1274        }
1275    }
1276
1277    private static boolean anyNeedsExternalStoragePermission(
1278            final Collection<Attachment> attachments) {
1279        for (final Attachment attachment : attachments) {
1280            if (attachment.getType() != Attachment.Type.LOCATION) {
1281                return true;
1282            }
1283        }
1284        return false;
1285    }
1286
1287    public void toggleInputMethod() {
1288        boolean hasAttachments = mediaPreviewAdapter.hasAttachments();
1289        binding.textinput.setVisibility(hasAttachments ? View.GONE : View.VISIBLE);
1290        binding.mediaPreview.setVisibility(hasAttachments ? View.VISIBLE : View.GONE);
1291        updateSendButton();
1292    }
1293
1294    private void handleNegativeActivityResult(int requestCode) {
1295        switch (requestCode) {
1296            case ATTACHMENT_CHOICE_TAKE_PHOTO:
1297                if (pendingTakePhotoUri.clear()) {
1298                    Log.d(
1299                            Config.LOGTAG,
1300                            "cleared pending photo uri after negative activity result");
1301                }
1302                break;
1303        }
1304    }
1305
1306    @Override
1307    public void onActivityResult(int requestCode, int resultCode, final Intent data) {
1308        super.onActivityResult(requestCode, resultCode, data);
1309        ActivityResult activityResult = ActivityResult.of(requestCode, resultCode, data);
1310        if (activity != null && activity.xmppConnectionService != null) {
1311            handleActivityResult(activityResult);
1312        } else {
1313            this.postponedActivityResult.push(activityResult);
1314        }
1315    }
1316
1317    public void unblockConversation(final Blockable conversation) {
1318        activity.xmppConnectionService.sendUnblockRequest(conversation);
1319    }
1320
1321    @Override
1322    public void onAttach(Activity activity) {
1323        super.onAttach(activity);
1324        Log.d(Config.LOGTAG, "ConversationFragment.onAttach()");
1325        if (activity instanceof ConversationsActivity) {
1326            this.activity = (ConversationsActivity) activity;
1327        } else {
1328            throw new IllegalStateException(
1329                    "Trying to attach fragment to activity that is not the ConversationsActivity");
1330        }
1331    }
1332
1333    @Override
1334    public void onDetach() {
1335        super.onDetach();
1336        this.activity = null; // TODO maybe not a good idea since some callbacks really need it
1337    }
1338
1339    @Override
1340    public void onCreate(Bundle savedInstanceState) {
1341        super.onCreate(savedInstanceState);
1342        setHasOptionsMenu(true);
1343        activity.getOnBackPressedDispatcher().addCallback(this, backPressedLeaveSingleThread);
1344    }
1345
1346    @Override
1347    public void onCreateOptionsMenu(Menu menu, MenuInflater menuInflater) {
1348        if (activity != null && activity.xmppConnectionService != null && activity.xmppConnectionService.isOnboarding()) return;
1349
1350        menuInflater.inflate(R.menu.fragment_conversation, menu);
1351        final MenuItem menuMucDetails = menu.findItem(R.id.action_muc_details);
1352        final MenuItem menuContactDetails = menu.findItem(R.id.action_contact_details);
1353        final MenuItem menuInviteContact = menu.findItem(R.id.action_invite);
1354        final MenuItem menuMute = menu.findItem(R.id.action_mute);
1355        final MenuItem menuUnmute = menu.findItem(R.id.action_unmute);
1356        final MenuItem menuCall = menu.findItem(R.id.action_call);
1357        final MenuItem menuOngoingCall = menu.findItem(R.id.action_ongoing_call);
1358        final MenuItem menuVideoCall = menu.findItem(R.id.action_video_call);
1359        final MenuItem menuTogglePinned = menu.findItem(R.id.action_toggle_pinned);
1360
1361        if (conversation != null) {
1362            if (conversation.getMode() == Conversation.MODE_MULTI) {
1363                menuContactDetails.setVisible(false);
1364                menuInviteContact.setVisible(conversation.getMucOptions().canInvite());
1365                menuMucDetails.setTitle(
1366                        conversation.getMucOptions().isPrivateAndNonAnonymous()
1367                                ? R.string.action_muc_details
1368                                : R.string.channel_details);
1369                menuCall.setVisible(false);
1370                menuOngoingCall.setVisible(false);
1371            } else {
1372                final XmppConnectionService service =
1373                        activity == null ? null : activity.xmppConnectionService;
1374                final Optional<OngoingRtpSession> ongoingRtpSession =
1375                        service == null
1376                                ? Optional.absent()
1377                                : service.getJingleConnectionManager()
1378                                        .getOngoingRtpConnection(conversation.getContact());
1379                if (ongoingRtpSession.isPresent()) {
1380                    menuOngoingCall.setVisible(true);
1381                    menuCall.setVisible(false);
1382                } else {
1383                    menuOngoingCall.setVisible(false);
1384                    final RtpCapability.Capability rtpCapability =
1385                            RtpCapability.check(conversation.getContact());
1386                    final boolean cameraAvailable =
1387                            activity != null && activity.isCameraFeatureAvailable();
1388                    menuCall.setVisible(rtpCapability != RtpCapability.Capability.NONE);
1389                    menuVideoCall.setVisible(
1390                            rtpCapability == RtpCapability.Capability.VIDEO && cameraAvailable);
1391                }
1392                menuContactDetails.setVisible(!this.conversation.withSelf());
1393                menuMucDetails.setVisible(false);
1394                menuInviteContact.setVisible(
1395                        service != null
1396                                && service.findConferenceServer(conversation.getAccount()) != null);
1397            }
1398            if (conversation.isMuted()) {
1399                menuMute.setVisible(false);
1400            } else {
1401                menuUnmute.setVisible(false);
1402            }
1403            ConversationMenuConfigurator.configureAttachmentMenu(conversation, menu, TextUtils.isEmpty(binding.textinput.getText()));
1404            ConversationMenuConfigurator.configureEncryptionMenu(conversation, menu);
1405            if (conversation.getBooleanAttribute(Conversation.ATTRIBUTE_PINNED_ON_TOP, false)) {
1406                menuTogglePinned.setTitle(R.string.remove_from_favorites);
1407            } else {
1408                menuTogglePinned.setTitle(R.string.add_to_favorites);
1409            }
1410        }
1411        super.onCreateOptionsMenu(menu, menuInflater);
1412    }
1413
1414    @Override
1415    public View onCreateView(
1416            final LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
1417        this.binding =
1418                DataBindingUtil.inflate(inflater, R.layout.fragment_conversation, container, false);
1419        binding.getRoot().setOnClickListener(null); // TODO why the fuck did we do this?
1420
1421        binding.textinput.setOnEditorActionListener(mEditorActionListener);
1422        binding.textinput.setRichContentListener(new String[] {"image/*"}, mEditorContentListener);
1423        DisplayMetrics displayMetrics = new DisplayMetrics();
1424        activity.getWindowManager().getDefaultDisplay().getMetrics(displayMetrics);
1425        if (displayMetrics.heightPixels > 0) binding.textinput.setMaxHeight(displayMetrics.heightPixels / 4);
1426
1427        binding.textSendButton.setOnClickListener(this.mSendButtonListener);
1428        binding.contextPreviewCancel.setOnClickListener((v) -> {
1429            setThread(null);
1430            conversation.setUserSelectedThread(false);
1431            setupReply(null);
1432        });
1433        binding.requestVoice.setOnClickListener((v) -> {
1434            activity.xmppConnectionService.requestVoice(conversation.getAccount(), conversation.getJid());
1435            binding.requestVoice.setVisibility(View.GONE);
1436            Toast.makeText(activity, "Your request has been sent to the moderators", Toast.LENGTH_SHORT).show();
1437        });
1438
1439        binding.scrollToBottomButton.setOnClickListener(this.mScrollButtonListener);
1440        binding.messagesView.setOnScrollListener(mOnScrollListener);
1441        binding.messagesView.setTranscriptMode(ListView.TRANSCRIPT_MODE_NORMAL);
1442        mediaPreviewAdapter = new MediaPreviewAdapter(this);
1443        binding.mediaPreview.setAdapter(mediaPreviewAdapter);
1444        messageListAdapter = new MessageAdapter((XmppActivity) getActivity(), this.messageList);
1445        messageListAdapter.setOnContactPictureClicked(this);
1446        messageListAdapter.setOnContactPictureLongClicked(this);
1447        messageListAdapter.setOnInlineImageLongClicked(this);
1448        messageListAdapter.setConversationFragment(this);
1449        binding.messagesView.setAdapter(messageListAdapter);
1450
1451        binding.textinput.addTextChangedListener(
1452                new StylingHelper.MessageEditorStyler(binding.textinput, messageListAdapter));
1453
1454        registerForContextMenu(binding.messagesView);
1455        registerForContextMenu(binding.textSendButton);
1456
1457        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
1458            this.binding.textinput.setCustomInsertionActionModeCallback(
1459                    new EditMessageActionModeCallback(this.binding.textinput));
1460        }
1461
1462        messageListAdapter.setOnMessageBoxClicked(message -> {
1463            if (message.isPrivateMessage()) privateMessageWith(message.getCounterpart());
1464            setThread(message.getThread());
1465            conversation.setUserSelectedThread(true);
1466        });
1467
1468        messageListAdapter.setOnMessageBoxSwiped(message -> {
1469            quoteMessage(message);
1470        });
1471
1472        binding.threadIdenticonLayout.setOnClickListener(v -> {
1473            boolean wasLocked = conversation.getLockThread();
1474            conversation.setLockThread(false);
1475            backPressedLeaveSingleThread.setEnabled(false);
1476            if (wasLocked) {
1477                setThread(null);
1478                conversation.setUserSelectedThread(false);
1479                refresh();
1480                updateThreadFromLastMessage();
1481            } else {
1482                newThread();
1483                conversation.setUserSelectedThread(true);
1484                newThreadTutorialToast("Switched to new thread");
1485            }
1486        });
1487
1488        binding.threadIdenticonLayout.setOnLongClickListener(v -> {
1489            boolean wasLocked = conversation.getLockThread();
1490            conversation.setLockThread(false);
1491            backPressedLeaveSingleThread.setEnabled(false);
1492            setThread(null);
1493            conversation.setUserSelectedThread(true);
1494            if (wasLocked) refresh();
1495            newThreadTutorialToast("Cleared thread");
1496            return true;
1497        });
1498
1499        Autocomplete.<MucOptions.User>on(binding.textinput)
1500            .with(activity.getDrawable(R.drawable.background_message_bubble))
1501            .with(new CharPolicy('@'))
1502            .with(new RecyclerViewPresenter<MucOptions.User>(activity) {
1503                protected UserAdapter adapter;
1504
1505                @Override
1506                protected Adapter instantiateAdapter() {
1507                    adapter = new UserAdapter(false) {
1508                        @Override
1509                        public void onBindViewHolder(UserAdapter.ViewHolder viewHolder, int position) {
1510                            super.onBindViewHolder(viewHolder, position);
1511                            final var item = getItem(position);
1512                            viewHolder.binding.getRoot().setOnClickListener(v -> {
1513                                dispatchClick(item);
1514                            });
1515                        }
1516                    };
1517                    return adapter;
1518                }
1519
1520                @Override
1521                protected void onQuery(@Nullable CharSequence query) {
1522                    getRecyclerView().getItemAnimator().endAnimations();
1523                    final var allUsers = conversation.getMucOptions().getUsers();
1524                    if (!conversation.getMucOptions().getUsersByRole(MucOptions.Role.MODERATOR).isEmpty()) {
1525                        final var u = new MucOptions.User(conversation.getMucOptions(), null, "\0role:moderator", "Notify active moderators", new HashSet<>());
1526                        u.setRole("participant");
1527                        allUsers.add(u);
1528                    }
1529                    if (!allUsers.isEmpty()) {
1530                        final var u = new MucOptions.User(conversation.getMucOptions(), null, "\0attention", "Notify active participants", new HashSet<>());
1531                        u.setRole("participant");
1532                        allUsers.add(u);
1533                    }
1534                    final String needle = query.toString().toLowerCase(Locale.getDefault());
1535                    adapter.submitList(
1536                        Ordering.natural().immutableSortedCopy(Collections2.filter(
1537                            allUsers,
1538                            user -> {
1539                                if ("mods".contains(needle) && "\0role:moderator".equals(user.getOccupantId())) return true;
1540                                if ("here".contains(needle) && "\0attention".equals(user.getOccupantId())) return true;
1541                                final String name = user.getNick();
1542                                if (name == null) return false;
1543                                for (final var hat : user.getHats()) {
1544                                    if (hat.toString().toLowerCase(Locale.getDefault()).contains(needle)) return true;
1545                                }
1546                                for (final var hat : user.getPseudoHats(activity)) {
1547                                    if (hat.toString().toLowerCase(Locale.getDefault()).contains(needle)) return true;
1548                                }
1549                                final Contact contact = user.getContact();
1550                                return name.toLowerCase(Locale.getDefault()).contains(needle)
1551                                    || contact != null
1552                                    && contact.getDisplayName().toLowerCase(Locale.getDefault()).contains(needle);
1553                            })));
1554                }
1555
1556                @Override
1557                protected AutocompletePresenter.PopupDimensions getPopupDimensions() {
1558                    final var dim = new AutocompletePresenter.PopupDimensions();
1559                    dim.width = displayMetrics.widthPixels * 4/5;
1560                    return dim;
1561                }
1562            })
1563            .with(new AutocompleteCallback<MucOptions.User>() {
1564                @Override
1565                public boolean onPopupItemClicked(Editable editable, MucOptions.User user) {
1566                    int[] range = com.otaliastudios.autocomplete.CharPolicy.getQueryRange(editable);
1567                    if (range == null) return false;
1568                    range[0] -= 1;
1569                    if ("\0attention".equals(user.getOccupantId())) {
1570	                    editable.delete(Math.max(0, range[0]), Math.min(editable.length(), range[1]));
1571                        editable.insert(0, "@here ");
1572                        return true;
1573                    }
1574                    int colon = editable.toString().indexOf(':');
1575                    final var beforeColon = range[0] < colon;
1576                    String prefix = "";
1577                    String suffix = " ";
1578                    if (beforeColon) suffix = ", ";
1579                    if (colon < 0 && range[0] == 0) suffix = ": ";
1580                    if (colon > 0 && colon == range[0] - 2) {
1581                        prefix = ", ";
1582                        suffix = ": ";
1583                        range[0] -= 2;
1584                    }
1585                    var insert = user.getNick();
1586                    if ("\0role:moderator".equals(user.getOccupantId())) {
1587                        insert = conversation.getMucOptions().getUsersByRole(MucOptions.Role.MODERATOR).stream().map(MucOptions.User::getNick).collect(Collectors.joining(", "));
1588                    }
1589                    editable.replace(Math.max(0, range[0]), Math.min(editable.length(), range[1]), prefix + insert + suffix);
1590                    return true;
1591                }
1592
1593                @Override
1594                public void onPopupVisibilityChanged(boolean shown) {}
1595            }).build();
1596
1597        final Pattern lastColonPattern = Pattern.compile("(?<!\\w):");
1598        emojiSearchBinding = DataBindingUtil.inflate(inflater, R.layout.emoji_search, null, false);
1599        emojiSearchBinding.emoji.setOnItemClickListener((parent, view, position, id) -> {
1600            EmojiSearch.EmojiSearchAdapter adapter = ((EmojiSearch.EmojiSearchAdapter) emojiSearchBinding.emoji.getAdapter());
1601            Editable toInsert = adapter.getItem(position).toInsert();
1602            toInsert.append(" ");
1603            Editable s = binding.textinput.getText();
1604
1605            Matcher lastColonMatcher = lastColonPattern.matcher(s);
1606            int lastColon = -1;
1607            while(lastColonMatcher.find()) lastColon = lastColonMatcher.end();
1608            if (lastColon > 0) s.replace(lastColon - 1, s.length(), toInsert, 0, toInsert.length());
1609        });
1610        setupEmojiSearch();
1611        int popupHeight = (int) displayMetrics.density * 200;
1612        emojiPopup = new PopupWindow(emojiSearchBinding.getRoot(), WindowManager.LayoutParams.MATCH_PARENT, Math.min(popupHeight, displayMetrics.heightPixels > 0 ? displayMetrics.heightPixels / 5 : popupHeight));
1613        Handler emojiDebounce = new Handler(Looper.getMainLooper());
1614        final Pattern notEmojiSearch = Pattern.compile("[^\\w\\(\\)\\+'\\-]");
1615        binding.textinput.addTextChangedListener(new TextWatcher() {
1616            @Override
1617            public void afterTextChanged(Editable s) {
1618                emojiDebounce.removeCallbacksAndMessages(null);
1619                emojiDebounce.postDelayed(() -> {
1620                    Matcher lastColonMatcher = lastColonPattern.matcher(s);
1621                    int lastColon = -1;
1622                    while(lastColonMatcher.find()) lastColon = lastColonMatcher.end();
1623                    if (lastColon < 0) {
1624                        emojiPopup.dismiss();
1625                        return;
1626                    }
1627                    final String q = s.toString().substring(lastColon);
1628                    if (notEmojiSearch.matcher(q).find()) {
1629                        emojiPopup.dismiss();
1630                    } else {
1631                        EmojiSearch.EmojiSearchAdapter adapter = ((EmojiSearch.EmojiSearchAdapter) emojiSearchBinding.emoji.getAdapter());
1632                        if (adapter != null) {
1633                            adapter.search(q);
1634                            emojiPopup.showAsDropDown(binding.textsend);
1635                        }
1636                    }
1637                }, 400L);
1638            }
1639
1640            @Override
1641            public void beforeTextChanged(CharSequence s, int start, int count, int after) { }
1642
1643            @Override
1644            public void onTextChanged(CharSequence s, int start, int count, int after) { }
1645        });
1646
1647        return binding.getRoot();
1648    }
1649
1650    protected void setupEmojiSearch() {
1651        if (activity != null && activity.xmppConnectionService != null) {
1652            if (!activity.xmppConnectionService.getBooleanPreference("message_autocomplete", R.bool.message_autocomplete)) {
1653                emojiSearch = null;
1654                if (emojiSearchBinding != null) emojiSearchBinding.emoji.setAdapter(null);
1655                return;
1656            }
1657            if (emojiSearch == null) {
1658                emojiSearch = activity.xmppConnectionService.emojiSearch();
1659            }
1660        }
1661        if (emojiSearch == null || emojiSearchBinding == null) return;
1662
1663        emojiSearchBinding.emoji.setAdapter(emojiSearch.makeAdapter(activity));
1664    }
1665
1666    protected void newThreadTutorialToast(String s) {
1667        if (activity == null) return;
1668        final SharedPreferences p = PreferenceManager.getDefaultSharedPreferences(activity);
1669        final int tutorialCount = p.getInt("thread_tutorial", 0);
1670        if (tutorialCount < 5) {
1671            Toast.makeText(activity, s, Toast.LENGTH_SHORT).show();
1672            p.edit().putInt("thread_tutorial", tutorialCount + 1).apply();
1673        }
1674    }
1675
1676    @Override
1677    public void onDestroyView() {
1678        super.onDestroyView();
1679        Log.d(Config.LOGTAG, "ConversationFragment.onDestroyView()");
1680        messageListAdapter.setOnContactPictureClicked(null);
1681        messageListAdapter.setOnContactPictureLongClicked(null);
1682        messageListAdapter.setOnInlineImageLongClicked(null);
1683        messageListAdapter.setConversationFragment(null);
1684        binding.conversationViewPager.setAdapter(null);
1685        if (conversation != null) conversation.setupViewPager(null, null, false, null);
1686    }
1687
1688    public void quoteText(String text) {
1689        if (binding.textinput.isEnabled()) {
1690            binding.textinput.insertAsQuote(text);
1691            binding.textinput.requestFocus();
1692            InputMethodManager inputMethodManager =
1693                    (InputMethodManager)
1694                            getActivity().getSystemService(Context.INPUT_METHOD_SERVICE);
1695            if (inputMethodManager != null) {
1696                inputMethodManager.showSoftInput(
1697                        binding.textinput, InputMethodManager.SHOW_IMPLICIT);
1698            }
1699        }
1700    }
1701
1702    private void quoteMessage(Message message) {
1703        if (message.isPrivateMessage()) privateMessageWith(message.getCounterpart());
1704        setThread(message.getThread());
1705        conversation.setUserSelectedThread(true);
1706        if (!forkNullThread(message)) newThread();
1707        setupReply(message);
1708    }
1709
1710    private boolean forkNullThread(Message message) {
1711        if (message.getThread() != null || conversation.getMode() != Conversation.MODE_MULTI) return true;
1712        for (final Message m : conversation.findReplies(message.getServerMsgId())) {
1713            final Element thread = m.getThread();
1714            if (thread != null) {
1715                setThread(thread);
1716                return true;
1717            }
1718        }
1719
1720        return false;
1721    }
1722
1723    private void setupReply(Message message) {
1724        conversation.setReplyTo(message);
1725        if (message == null) {
1726            binding.contextPreview.setVisibility(View.GONE);
1727            binding.textsend.setBackgroundResource(R.drawable.textsend);
1728            return;
1729        }
1730
1731        SpannableStringBuilder body = message.getSpannableBody(null, null);
1732        if (message.isFileOrImage() || message.isOOb()) body.append(" 🖼️");
1733        messageListAdapter.handleTextQuotes(binding.contextPreviewText, body);
1734        binding.contextPreviewText.setText(body);
1735        binding.contextPreview.setVisibility(View.VISIBLE);
1736    }
1737
1738    private void setThread(Element thread) {
1739        this.conversation.setThread(thread);
1740        binding.threadIdenticon.setAlpha(0f);
1741        binding.threadIdenticonLock.setVisibility(this.conversation.getLockThread() ? View.VISIBLE : View.GONE);
1742        if (thread != null) {
1743            final String threadId = thread.getContent();
1744            if (threadId != null) {
1745                binding.threadIdenticon.setAlpha(1f);
1746                binding.threadIdenticon.setColor(UIHelper.getColorForName(threadId));
1747                binding.threadIdenticon.setHash(UIHelper.identiconHash(threadId));
1748            }
1749        }
1750        updateSendButton();
1751    }
1752
1753    @Override
1754    public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
1755        // This should cancel any remaining click events that would otherwise trigger links
1756        v.dispatchTouchEvent(MotionEvent.obtain(0, 0, MotionEvent.ACTION_CANCEL, 0f, 0f, 0));
1757
1758        if (v == binding.textSendButton) {
1759            super.onCreateContextMenu(menu, v, menuInfo);
1760            try {
1761                java.lang.reflect.Method m = menu.getClass().getSuperclass().getDeclaredMethod("setOptionalIconsVisible", Boolean.TYPE);
1762                m.setAccessible(true);
1763                m.invoke(menu, true);
1764            } catch (Exception e) {
1765                e.printStackTrace();
1766            }
1767            Menu tmpMenu = new PopupMenu(activity, null).getMenu();
1768            activity.getMenuInflater().inflate(R.menu.fragment_conversation, tmpMenu);
1769            MenuItem attachMenu = tmpMenu.findItem(R.id.action_attach_file);
1770            for (int i = 0; i < attachMenu.getSubMenu().size(); i++) {
1771                MenuItem item = attachMenu.getSubMenu().getItem(i);
1772                MenuItem newItem = menu.add(item.getGroupId(), item.getItemId(), item.getOrder(), item.getTitle());
1773                newItem.setIcon(item.getIcon());
1774            }
1775            ConversationMenuConfigurator.configureAttachmentMenu(conversation, menu, TextUtils.isEmpty(binding.textinput.getText()));
1776            return;
1777        }
1778
1779        synchronized (this.messageList) {
1780            super.onCreateContextMenu(menu, v, menuInfo);
1781            AdapterView.AdapterContextMenuInfo acmi = (AdapterContextMenuInfo) menuInfo;
1782            this.selectedMessage = this.messageList.get(acmi.position);
1783            populateContextMenu(menu);
1784        }
1785    }
1786
1787    private void populateContextMenu(ContextMenu menu) {
1788        final Message m = this.selectedMessage;
1789        final Transferable t = m.getTransferable();
1790        Message relevantForCorrection = m;
1791        while (relevantForCorrection.mergeable(relevantForCorrection.next())) {
1792            relevantForCorrection = relevantForCorrection.next();
1793        }
1794        if (m.getType() != Message.TYPE_STATUS && m.getType() != Message.TYPE_RTP_SESSION) {
1795
1796            if (m.getEncryption() == Message.ENCRYPTION_AXOLOTL_NOT_FOR_THIS_DEVICE
1797                    || m.getEncryption() == Message.ENCRYPTION_AXOLOTL_FAILED) {
1798                return;
1799            }
1800
1801            if (m.getStatus() == Message.STATUS_RECEIVED
1802                    && t != null
1803                    && (t.getStatus() == Transferable.STATUS_CANCELLED
1804                            || t.getStatus() == Transferable.STATUS_FAILED)) {
1805                return;
1806            }
1807
1808            final boolean deleted = m.isDeleted();
1809            final boolean encrypted =
1810                    m.getEncryption() == Message.ENCRYPTION_DECRYPTION_FAILED
1811                            || m.getEncryption() == Message.ENCRYPTION_PGP;
1812            final boolean receiving =
1813                    m.getStatus() == Message.STATUS_RECEIVED
1814                            && (t instanceof JingleFileTransferConnection
1815                                    || t instanceof HttpDownloadConnection);
1816            activity.getMenuInflater().inflate(R.menu.message_context, menu);
1817            final MenuItem reportAndBlock = menu.findItem(R.id.action_report_and_block);
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 && !m.getBody().equals("")) {
1853                copyMessage.setVisible(true);
1854            }
1855            quoteMessage.setVisible(!encrypted && !showError);
1856            if (m.getEncryption() == Message.ENCRYPTION_DECRYPTION_FAILED && !deleted) {
1857                retryDecryption.setVisible(true);
1858            }
1859            if (!showError
1860                    && relevantForCorrection.getType() == Message.TYPE_TEXT
1861                    && !m.isGeoUri()
1862                    && relevantForCorrection.isLastCorrectableMessage()
1863                    && m.getConversation() instanceof Conversation) {
1864                correctMessage.setVisible(true);
1865                if (!relevantForCorrection.getBody().equals("") && !relevantForCorrection.getBody().equals(" ")) retractMessage.setVisible(true);
1866            }
1867            if (relevantForCorrection.getStatus() == Message.STATUS_WAITING) {
1868                correctMessage.setVisible(true);
1869                retractMessage.setVisible(true);
1870            }
1871            if (relevantForCorrection.getReactions() != null) {
1872                correctMessage.setVisible(false);
1873                retractMessage.setVisible(true);
1874            }
1875            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")) {
1876                moderateMessage.setVisible(true);
1877            }
1878            if ((m.isFileOrImage() && !deleted && !receiving)
1879                    || (m.getType() == Message.TYPE_TEXT && !m.treatAsDownloadable())
1880                            && !unInitiatedButKnownSize
1881                            && t == null) {
1882                shareWith.setVisible(true);
1883            }
1884            if (m.getStatus() == Message.STATUS_SEND_FAILED) {
1885                sendAgain.setVisible(true);
1886            }
1887            if (m.hasFileOnRemoteHost()
1888                    || m.isGeoUri()
1889                    || m.treatAsDownloadable()
1890                    || unInitiatedButKnownSize
1891                    || t instanceof HttpDownloadConnection) {
1892                copyUrl.setVisible(true);
1893            }
1894            if (m.isFileOrImage() && deleted && m.hasFileOnRemoteHost()) {
1895                downloadFile.setVisible(true);
1896                downloadFile.setTitle(
1897                        activity.getString(
1898                                R.string.download_x_file,
1899                                UIHelper.getFileDescriptionString(activity, m)));
1900            }
1901            final boolean waitingOfferedSending =
1902                    m.getStatus() == Message.STATUS_WAITING
1903                            || m.getStatus() == Message.STATUS_UNSEND
1904                            || m.getStatus() == Message.STATUS_OFFERED;
1905            final boolean cancelable =
1906                    (t != null && !deleted) || waitingOfferedSending && m.needsUploading();
1907            if (cancelable) {
1908                cancelTransmission.setVisible(true);
1909            }
1910            if (m.isFileOrImage() && !deleted && !cancelable) {
1911                final String path = m.getRelativeFilePath();
1912                if (path != null) {
1913                    final var file = new File(path);
1914                    if (file.canRead()) saveAsSticker.setVisible(true);
1915                    blockMedia.setVisible(true);
1916                    if (file.canWrite()) deleteFile.setVisible(true);
1917                    deleteFile.setTitle(
1918                            activity.getString(
1919                                    R.string.delete_x_file,
1920                                    UIHelper.getFileDescriptionString(activity, m)));
1921                }
1922            }
1923
1924            if (m.getFileParams() != null && !m.getFileParams().getThumbnails().isEmpty()) {
1925                // We might be showing a thumbnail worth blocking
1926                blockMedia.setVisible(true);
1927            }
1928            if (showError) {
1929                showErrorMessage.setVisible(true);
1930            }
1931            final String mime = m.isFileOrImage() ? m.getMimeType() : null;
1932            if ((m.isGeoUri() && GeoHelper.openInOsmAnd(getActivity(), m))
1933                    || (mime != null && mime.startsWith("audio/"))) {
1934                openWith.setVisible(true);
1935            }
1936        }
1937    }
1938
1939    @Override
1940    public boolean onContextItemSelected(MenuItem item) {
1941        switch (item.getItemId()) {
1942            case R.id.share_with:
1943                ShareUtil.share(activity, selectedMessage);
1944                return true;
1945            case R.id.correct_message:
1946                correctMessage(selectedMessage);
1947                return true;
1948            case R.id.retract_message:
1949                new AlertDialog.Builder(activity)
1950                    .setTitle(R.string.retract_message)
1951                    .setMessage("Do you really want to retract this message?")
1952                    .setPositiveButton(R.string.yes, (dialog, whichButton) -> {
1953                        Message message = selectedMessage;
1954                        while (message.mergeable(message.next())) {
1955                            message = message.next();
1956                        }
1957                        if (message.getStatus() == Message.STATUS_WAITING || message.getStatus() == Message.STATUS_OFFERED) {
1958                            activity.xmppConnectionService.deleteMessage(message);
1959                            return;
1960                        }
1961                        Element reactions = message.getReactions();
1962                        if (reactions != null) {
1963                            final Message previousReaction = conversation.findMessageReactingTo(reactions.getAttribute("id"), null);
1964                            if (previousReaction != null) reactions = previousReaction.getReactions();
1965                            for (Element el : reactions.getChildren()) {
1966                                if (message.getRawBody().endsWith(el.getContent())) {
1967                                    reactions.removeChild(el);
1968                                }
1969                            }
1970                            message.setReactions(reactions);
1971                            if (previousReaction != null) {
1972                                previousReaction.setReactions(reactions);
1973                                activity.xmppConnectionService.updateMessage(previousReaction);
1974                            }
1975                        } else {
1976                            message.setInReplyTo(null);
1977                            message.clearPayloads();
1978                        }
1979                        message.setBody(" ");
1980                        message.setSubject(null);
1981                        message.putEdited(message.getUuid(), message.getServerMsgId());
1982                        message.setServerMsgId(null);
1983                        message.setUuid(UUID.randomUUID().toString());
1984                        sendMessage(message);
1985                    })
1986                    .setNegativeButton(R.string.no, null).show();
1987                return true;
1988            case R.id.moderate_message:
1989                activity.quickEdit("Spam", (reason) -> {
1990                    Message message = selectedMessage;
1991                    do {
1992                        activity.xmppConnectionService.moderateMessage(conversation.getAccount(), message, reason);
1993                        message = message.mergeable(message.next()) ? message.next() : null;
1994                    } while (message != null);
1995                    return null;
1996                }, R.string.moderate_reason, false, false, true, true);
1997                return true;
1998            case R.id.copy_message:
1999                ShareUtil.copyToClipboard(activity, selectedMessage);
2000                return true;
2001            case R.id.quote_message:
2002                quoteMessage(selectedMessage);
2003                return true;
2004            case R.id.send_again:
2005                resendMessage(selectedMessage);
2006                return true;
2007            case R.id.copy_url:
2008                ShareUtil.copyUrlToClipboard(activity, selectedMessage);
2009                return true;
2010            case R.id.save_as_sticker:
2011                saveAsSticker(selectedMessage);
2012                return true;
2013            case R.id.download_file:
2014                startDownloadable(selectedMessage);
2015                return true;
2016            case R.id.cancel_transmission:
2017                cancelTransmission(selectedMessage);
2018                return true;
2019            case R.id.retry_decryption:
2020                retryDecryption(selectedMessage);
2021                return true;
2022            case R.id.block_media:
2023                new AlertDialog.Builder(activity)
2024                    .setTitle(R.string.block_media)
2025                    .setMessage("Do you really want to block this media in all messages?")
2026                    .setPositiveButton(R.string.yes, (dialog, whichButton) -> {
2027                        List<Element> thumbs = selectedMessage.getFileParams() != null ? selectedMessage.getFileParams().getThumbnails() : null;
2028                        if (thumbs != null && !thumbs.isEmpty()) {
2029                            for (Element thumb : thumbs) {
2030                                Uri uri = Uri.parse(thumb.getAttribute("uri"));
2031                                if (uri.getScheme().equals("cid")) {
2032                                    Cid cid = BobTransfer.cid(uri);
2033                                    if (cid == null) continue;
2034                                    DownloadableFile f = activity.xmppConnectionService.getFileForCid(cid);
2035                                    activity.xmppConnectionService.blockMedia(f);
2036                                    activity.xmppConnectionService.evictPreview(f);
2037                                    f.delete();
2038                                }
2039                            }
2040                        }
2041                        File f = activity.xmppConnectionService.getFileBackend().getFile(selectedMessage);
2042                        activity.xmppConnectionService.blockMedia(f);
2043                        activity.xmppConnectionService.getFileBackend().deleteFile(selectedMessage);
2044                        activity.xmppConnectionService.evictPreview(f);
2045                        activity.xmppConnectionService.updateMessage(selectedMessage, false);
2046                        activity.onConversationsListItemUpdated();
2047                        refresh();
2048                    })
2049                    .setNegativeButton(R.string.no, null).show();
2050                return true;
2051            case R.id.delete_file:
2052                deleteFile(selectedMessage);
2053                return true;
2054            case R.id.show_error_message:
2055                showErrorMessage(selectedMessage);
2056                return true;
2057            case R.id.open_with:
2058                openWith(selectedMessage);
2059                return true;
2060            case R.id.only_this_thread:
2061                conversation.setLockThread(true);
2062                backPressedLeaveSingleThread.setEnabled(true);
2063                setThread(selectedMessage.getThread());
2064                refresh();
2065                return true;
2066            case R.id.action_report_and_block:
2067                reportMessage(selectedMessage);
2068                return true;
2069            default:
2070                return onOptionsItemSelected(item);
2071        }
2072    }
2073
2074    @Override
2075    public boolean onOptionsItemSelected(final MenuItem item) {
2076        if (MenuDoubleTabUtil.shouldIgnoreTap()) {
2077            return false;
2078        } else if (conversation == null) {
2079            return super.onOptionsItemSelected(item);
2080        }
2081        switch (item.getItemId()) {
2082            case R.id.encryption_choice_axolotl:
2083            case R.id.encryption_choice_pgp:
2084            case R.id.encryption_choice_none:
2085                handleEncryptionSelection(item);
2086                break;
2087            case R.id.attach_choose_picture:
2088            case R.id.attach_take_picture:
2089            case R.id.attach_record_video:
2090            case R.id.attach_choose_file:
2091            case R.id.attach_record_voice:
2092            case R.id.attach_location:
2093                handleAttachmentSelection(item);
2094                break;
2095            case R.id.attach_webxdc:
2096                final Intent intent = new Intent(getActivity(), WebxdcStore.class);
2097                startActivityForResult(intent, REQUEST_WEBXDC_STORE);
2098                break;
2099            case R.id.attach_subject:
2100                binding.textinputSubject.setVisibility(binding.textinputSubject.getVisibility() == View.GONE ? View.VISIBLE : View.GONE);
2101                break;
2102            case R.id.attach_schedule:
2103                scheduleMessage();
2104                break;
2105            case R.id.action_search:
2106                startSearch();
2107                break;
2108            case R.id.action_archive:
2109                activity.xmppConnectionService.archiveConversation(conversation);
2110                break;
2111            case R.id.action_contact_details:
2112                activity.switchToContactDetails(conversation.getContact());
2113                break;
2114            case R.id.action_muc_details:
2115                ConferenceDetailsActivity.open(activity, conversation);
2116                break;
2117            case R.id.action_invite:
2118                startActivityForResult(
2119                        ChooseContactActivity.create(activity, conversation),
2120                        REQUEST_INVITE_TO_CONVERSATION);
2121                break;
2122            case R.id.action_clear_history:
2123                clearHistoryDialog(conversation);
2124                break;
2125            case R.id.action_mute:
2126                muteConversationDialog(conversation);
2127                break;
2128            case R.id.action_unmute:
2129                unMuteConversation(conversation);
2130                break;
2131            case R.id.action_block:
2132            case R.id.action_unblock:
2133                BlockContactDialog.show(activity, conversation);
2134                break;
2135            case R.id.action_audio_call:
2136                checkPermissionAndTriggerAudioCall();
2137                break;
2138            case R.id.action_video_call:
2139                checkPermissionAndTriggerVideoCall();
2140                break;
2141            case R.id.action_ongoing_call:
2142                returnToOngoingCall();
2143                break;
2144            case R.id.action_toggle_pinned:
2145                togglePinned();
2146                break;
2147            case R.id.action_add_shortcut:
2148                addShortcut();
2149                break;
2150            case R.id.action_block_avatar:
2151                new AlertDialog.Builder(activity)
2152                    .setTitle(R.string.block_media)
2153                    .setMessage("Do you really want to block this avatar?")
2154                    .setPositiveButton(R.string.yes, (dialog, whichButton) -> {
2155                            activity.xmppConnectionService.blockMedia(activity.xmppConnectionService.getFileBackend().getAvatarFile(conversation.getContact().getAvatarFilename()));
2156                            activity.xmppConnectionService.getFileBackend().getAvatarFile(conversation.getContact().getAvatarFilename()).delete();
2157                            activity.avatarService().clear(conversation);
2158                            conversation.getContact().setAvatar(null);
2159                            activity.xmppConnectionService.updateConversationUi();
2160                    })
2161                    .setNegativeButton(R.string.no, null).show();
2162            case R.id.action_refresh_feature_discovery:
2163                refreshFeatureDiscovery();
2164                break;
2165            default:
2166                break;
2167        }
2168        return super.onOptionsItemSelected(item);
2169    }
2170
2171    public boolean onBackPressed() {
2172        boolean wasLocked = conversation.getLockThread();
2173        conversation.setLockThread(false);
2174        backPressedLeaveSingleThread.setEnabled(false);
2175        if (wasLocked) {
2176            setThread(null);
2177            conversation.setUserSelectedThread(false);
2178            refresh();
2179            updateThreadFromLastMessage();
2180            return true;
2181        }
2182        return false;
2183    }
2184
2185    private void startSearch() {
2186        final Intent intent = new Intent(getActivity(), SearchActivity.class);
2187        intent.putExtra(SearchActivity.EXTRA_CONVERSATION_UUID, conversation.getUuid());
2188        startActivity(intent);
2189    }
2190
2191    private void scheduleMessage() {
2192        if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.N) {
2193            final var datePicker = com.google.android.material.datepicker.MaterialDatePicker.Builder.datePicker()
2194                .setTitleText("Schedule Message")
2195                .setSelection(com.google.android.material.datepicker.MaterialDatePicker.todayInUtcMilliseconds())
2196                .setCalendarConstraints(
2197                    new com.google.android.material.datepicker.CalendarConstraints.Builder()
2198                        .setStart(com.google.android.material.datepicker.MaterialDatePicker.todayInUtcMilliseconds())
2199                        .build()
2200                 )
2201                .build();
2202            datePicker.addOnPositiveButtonClickListener((date) -> {
2203                final Calendar now = Calendar.getInstance();
2204                final var timePicker = new com.google.android.material.timepicker.MaterialTimePicker.Builder()
2205                    .setTitleText("Schedule Message")
2206                    .setHour(now.get(Calendar.HOUR_OF_DAY))
2207                    .setMinute(now.get(Calendar.MINUTE))
2208                    .setTimeFormat(android.text.format.DateFormat.is24HourFormat(activity) ? com.google.android.material.timepicker.TimeFormat.CLOCK_24H : com.google.android.material.timepicker.TimeFormat.CLOCK_12H)
2209                    .build();
2210                timePicker.addOnPositiveButtonClickListener((v2) -> {
2211                        final var dateCal = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
2212                        dateCal.setTimeInMillis(date);
2213                        final var time = Calendar.getInstance();
2214                        time.set(dateCal.get(Calendar.YEAR), dateCal.get(Calendar.MONTH), dateCal.get(Calendar.DAY_OF_MONTH), timePicker.getHour(), timePicker.getMinute(), 0);
2215                        final long timestamp = time.getTimeInMillis();
2216                        sendMessage(timestamp);
2217                        Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": scheduled message for " + timestamp);
2218                    });
2219                timePicker.show(activity.getSupportFragmentManager(), "schedulMessageTime");
2220            });
2221            datePicker.show(activity.getSupportFragmentManager(), "schedulMessageDate");
2222        }
2223    }
2224
2225    private void returnToOngoingCall() {
2226        final Optional<OngoingRtpSession> ongoingRtpSession =
2227                activity.xmppConnectionService
2228                        .getJingleConnectionManager()
2229                        .getOngoingRtpConnection(conversation.getContact());
2230        if (ongoingRtpSession.isPresent()) {
2231            final OngoingRtpSession id = ongoingRtpSession.get();
2232            final Intent intent = new Intent(getActivity(), RtpSessionActivity.class);
2233            intent.setAction(Intent.ACTION_VIEW);
2234            intent.putExtra(
2235                    RtpSessionActivity.EXTRA_ACCOUNT,
2236                    id.getAccount().getJid().asBareJid().toEscapedString());
2237            intent.putExtra(RtpSessionActivity.EXTRA_WITH, id.getWith().toEscapedString());
2238            if (id instanceof AbstractJingleConnection) {
2239                intent.putExtra(RtpSessionActivity.EXTRA_SESSION_ID, id.getSessionId());
2240                startActivity(intent);
2241            } else if (id instanceof JingleConnectionManager.RtpSessionProposal proposal) {
2242                if (Media.audioOnly(proposal.media)) {
2243                    intent.putExtra(
2244                            RtpSessionActivity.EXTRA_LAST_ACTION,
2245                            RtpSessionActivity.ACTION_MAKE_VOICE_CALL);
2246                } else {
2247                    intent.putExtra(
2248                            RtpSessionActivity.EXTRA_LAST_ACTION,
2249                            RtpSessionActivity.ACTION_MAKE_VIDEO_CALL);
2250                }
2251                intent.putExtra(RtpSessionActivity.EXTRA_PROPOSED_SESSION_ID, proposal.sessionId);
2252                startActivity(intent);
2253            }
2254        }
2255    }
2256
2257    private void refreshFeatureDiscovery() {
2258        Set<Map.Entry<String, Presence>> presences = conversation.getContact().getPresences().getPresencesMap().entrySet();
2259        if (presences.isEmpty()) {
2260            presences = new HashSet<>();
2261            presences.add(new AbstractMap.SimpleEntry("", null));
2262        }
2263        for (Map.Entry<String, Presence> entry : presences) {
2264            Jid jid = conversation.getContact().getJid();
2265            if (!entry.getKey().equals("")) jid = jid.withResource(entry.getKey());
2266            activity.xmppConnectionService.fetchCaps(conversation.getAccount(), jid, entry.getValue(), () -> {
2267                if (activity == null) return;
2268                activity.runOnUiThread(() -> {
2269                    refresh();
2270                    refreshCommands(true);
2271                });
2272            });
2273        }
2274    }
2275
2276    private void addShortcut() {
2277        ShortcutInfoCompat info;
2278        if (conversation.getMode() == Conversation.MODE_MULTI) {
2279            info = activity.xmppConnectionService.getShortcutService().getShortcutInfoCompat(conversation.getMucOptions());
2280        } else {
2281            info = activity.xmppConnectionService.getShortcutService().getShortcutInfoCompat(conversation.getContact());
2282        }
2283        ShortcutManagerCompat.requestPinShortcut(activity, info, null);
2284    }
2285
2286    private void togglePinned() {
2287        final boolean pinned =
2288                conversation.getBooleanAttribute(Conversation.ATTRIBUTE_PINNED_ON_TOP, false);
2289        conversation.setAttribute(Conversation.ATTRIBUTE_PINNED_ON_TOP, !pinned);
2290        activity.xmppConnectionService.updateConversation(conversation);
2291        activity.invalidateOptionsMenu();
2292    }
2293
2294    private void checkPermissionAndTriggerAudioCall() {
2295        if (activity.mUseTor || conversation.getAccount().isOnion()) {
2296            Toast.makeText(activity, R.string.disable_tor_to_make_call, Toast.LENGTH_SHORT).show();
2297            return;
2298        }
2299        final List<String> permissions;
2300        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
2301            permissions =
2302                    Arrays.asList(
2303                            Manifest.permission.RECORD_AUDIO,
2304                            Manifest.permission.BLUETOOTH_CONNECT);
2305        } else {
2306            permissions = Collections.singletonList(Manifest.permission.RECORD_AUDIO);
2307        }
2308        if (hasPermissions(REQUEST_START_AUDIO_CALL, permissions)) {
2309            triggerRtpSession(RtpSessionActivity.ACTION_MAKE_VOICE_CALL);
2310        }
2311    }
2312
2313    private void checkPermissionAndTriggerVideoCall() {
2314        if (activity.mUseTor || conversation.getAccount().isOnion()) {
2315            Toast.makeText(activity, R.string.disable_tor_to_make_call, Toast.LENGTH_SHORT).show();
2316            return;
2317        }
2318        final List<String> permissions;
2319        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
2320            permissions =
2321                    Arrays.asList(
2322                            Manifest.permission.RECORD_AUDIO,
2323                            Manifest.permission.CAMERA,
2324                            Manifest.permission.BLUETOOTH_CONNECT);
2325        } else {
2326            permissions =
2327                    Arrays.asList(Manifest.permission.RECORD_AUDIO, Manifest.permission.CAMERA);
2328        }
2329        if (hasPermissions(REQUEST_START_VIDEO_CALL, permissions)) {
2330            triggerRtpSession(RtpSessionActivity.ACTION_MAKE_VIDEO_CALL);
2331        }
2332    }
2333
2334    private void triggerRtpSession(final String action) {
2335        if (activity.xmppConnectionService.getJingleConnectionManager().isBusy()) {
2336            Toast.makeText(getActivity(), R.string.only_one_call_at_a_time, Toast.LENGTH_LONG)
2337                    .show();
2338            return;
2339        }
2340        final Account account = conversation.getAccount();
2341        if (account.setOption(Account.OPTION_SOFT_DISABLED, false)) {
2342            activity.xmppConnectionService.updateAccount(account);
2343        }
2344        final Contact contact = conversation.getContact();
2345        if (Config.USE_JINGLE_MESSAGE_INIT && RtpCapability.jmiSupport(contact)) {
2346            triggerRtpSession(contact.getAccount(), contact.getJid().asBareJid(), action);
2347        } else {
2348            final RtpCapability.Capability capability;
2349            if (action.equals(RtpSessionActivity.ACTION_MAKE_VIDEO_CALL)) {
2350                capability = RtpCapability.Capability.VIDEO;
2351            } else {
2352                capability = RtpCapability.Capability.AUDIO;
2353            }
2354            PresenceSelector.selectFullJidForDirectRtpConnection(
2355                    activity,
2356                    contact,
2357                    capability,
2358                    fullJid -> {
2359                        triggerRtpSession(contact.getAccount(), fullJid, action);
2360                    });
2361        }
2362    }
2363
2364    private void triggerRtpSession(final Account account, final Jid with, final String action) {
2365        CallIntegrationConnectionService.placeCall(activity.xmppConnectionService, account,with,RtpSessionActivity.actionToMedia(action));
2366    }
2367
2368    private void handleAttachmentSelection(MenuItem item) {
2369        switch (item.getItemId()) {
2370            case R.id.attach_choose_picture:
2371                attachFile(ATTACHMENT_CHOICE_CHOOSE_IMAGE);
2372                break;
2373            case R.id.attach_take_picture:
2374                attachFile(ATTACHMENT_CHOICE_TAKE_PHOTO);
2375                break;
2376            case R.id.attach_record_video:
2377                attachFile(ATTACHMENT_CHOICE_RECORD_VIDEO);
2378                break;
2379            case R.id.attach_choose_file:
2380                attachFile(ATTACHMENT_CHOICE_CHOOSE_FILE);
2381                break;
2382            case R.id.attach_record_voice:
2383                attachFile(ATTACHMENT_CHOICE_RECORD_VOICE);
2384                break;
2385            case R.id.attach_location:
2386                attachFile(ATTACHMENT_CHOICE_LOCATION);
2387                break;
2388        }
2389    }
2390
2391    private void handleEncryptionSelection(MenuItem item) {
2392        if (conversation == null) {
2393            return;
2394        }
2395        final boolean updated;
2396        switch (item.getItemId()) {
2397            case R.id.encryption_choice_none:
2398                updated = conversation.setNextEncryption(Message.ENCRYPTION_NONE);
2399                item.setChecked(true);
2400                break;
2401            case R.id.encryption_choice_pgp:
2402                if (activity.hasPgp()) {
2403                    if (conversation.getAccount().getPgpSignature() != null) {
2404                        updated = conversation.setNextEncryption(Message.ENCRYPTION_PGP);
2405                        item.setChecked(true);
2406                    } else {
2407                        updated = false;
2408                        activity.announcePgp(
2409                                conversation.getAccount(),
2410                                conversation,
2411                                null,
2412                                activity.onOpenPGPKeyPublished);
2413                    }
2414                } else {
2415                    activity.showInstallPgpDialog();
2416                    updated = false;
2417                }
2418                break;
2419            case R.id.encryption_choice_axolotl:
2420                Log.d(
2421                        Config.LOGTAG,
2422                        AxolotlService.getLogprefix(conversation.getAccount())
2423                                + "Enabled axolotl for Contact "
2424                                + conversation.getContact().getJid());
2425                updated = conversation.setNextEncryption(Message.ENCRYPTION_AXOLOTL);
2426                item.setChecked(true);
2427                break;
2428            default:
2429                updated = conversation.setNextEncryption(Message.ENCRYPTION_NONE);
2430                break;
2431        }
2432        if (updated) {
2433            activity.xmppConnectionService.updateConversation(conversation);
2434        }
2435        updateChatMsgHint();
2436        getActivity().invalidateOptionsMenu();
2437        activity.refreshUi();
2438    }
2439
2440    public void attachFile(final int attachmentChoice) {
2441        attachFile(attachmentChoice, true);
2442    }
2443
2444    public void attachFile(final int attachmentChoice, final boolean updateRecentlyUsed) {
2445        if (attachmentChoice == ATTACHMENT_CHOICE_RECORD_VOICE) {
2446            if (!hasPermissions(
2447                    attachmentChoice,
2448                    Manifest.permission.WRITE_EXTERNAL_STORAGE,
2449                    Manifest.permission.RECORD_AUDIO)) {
2450                return;
2451            }
2452        } else if (attachmentChoice == ATTACHMENT_CHOICE_TAKE_PHOTO
2453                || attachmentChoice == ATTACHMENT_CHOICE_RECORD_VIDEO) {
2454            if (!hasPermissions(
2455                    attachmentChoice,
2456                    Manifest.permission.WRITE_EXTERNAL_STORAGE,
2457                    Manifest.permission.CAMERA)) {
2458                return;
2459            }
2460        } else if (attachmentChoice != ATTACHMENT_CHOICE_LOCATION) {
2461            if (!hasPermissions(attachmentChoice, Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
2462                return;
2463            }
2464        }
2465        if (updateRecentlyUsed) {
2466            storeRecentlyUsedQuickAction(attachmentChoice);
2467        }
2468        final int encryption = conversation.getNextEncryption();
2469        final int mode = conversation.getMode();
2470        if (encryption == Message.ENCRYPTION_PGP) {
2471            if (activity.hasPgp()) {
2472                if (mode == Conversation.MODE_SINGLE
2473                        && conversation.getContact().getPgpKeyId() != 0) {
2474                    activity.xmppConnectionService
2475                            .getPgpEngine()
2476                            .hasKey(
2477                                    conversation.getContact(),
2478                                    new UiCallback<Contact>() {
2479
2480                                        @Override
2481                                        public void userInputRequired(
2482                                                PendingIntent pi, Contact contact) {
2483                                            startPendingIntent(pi, attachmentChoice);
2484                                        }
2485
2486                                        @Override
2487                                        public void success(Contact contact) {
2488                                            invokeAttachFileIntent(attachmentChoice);
2489                                        }
2490
2491                                        @Override
2492                                        public void error(int error, Contact contact) {
2493                                            activity.replaceToast(getString(error));
2494                                        }
2495                                    });
2496                } else if (mode == Conversation.MODE_MULTI
2497                        && conversation.getMucOptions().pgpKeysInUse()) {
2498                    if (!conversation.getMucOptions().everybodyHasKeys()) {
2499                        Toast warning =
2500                                Toast.makeText(
2501                                        getActivity(),
2502                                        R.string.missing_public_keys,
2503                                        Toast.LENGTH_LONG);
2504                        warning.setGravity(Gravity.CENTER_VERTICAL, 0, 0);
2505                        warning.show();
2506                    }
2507                    invokeAttachFileIntent(attachmentChoice);
2508                } else {
2509                    showNoPGPKeyDialog(
2510                            false,
2511                            (dialog, which) -> {
2512                                conversation.setNextEncryption(Message.ENCRYPTION_NONE);
2513                                activity.xmppConnectionService.updateConversation(conversation);
2514                                invokeAttachFileIntent(attachmentChoice);
2515                            });
2516                }
2517            } else {
2518                activity.showInstallPgpDialog();
2519            }
2520        } else {
2521            invokeAttachFileIntent(attachmentChoice);
2522        }
2523    }
2524
2525    private void storeRecentlyUsedQuickAction(final int attachmentChoice) {
2526        try {
2527            activity.getPreferences()
2528                    .edit()
2529                    .putString(
2530                            RECENTLY_USED_QUICK_ACTION,
2531                            SendButtonAction.of(attachmentChoice).toString())
2532                    .apply();
2533        } catch (IllegalArgumentException e) {
2534            // just do not save
2535        }
2536    }
2537
2538    @Override
2539    public void onRequestPermissionsResult(
2540            int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
2541        final PermissionUtils.PermissionResult permissionResult =
2542                PermissionUtils.removeBluetoothConnect(permissions, grantResults);
2543        if (grantResults.length > 0) {
2544            if (allGranted(permissionResult.grantResults)) {
2545                switch (requestCode) {
2546                    case REQUEST_START_DOWNLOAD:
2547                        if (this.mPendingDownloadableMessage != null) {
2548                            startDownloadable(this.mPendingDownloadableMessage);
2549                        }
2550                        break;
2551                    case REQUEST_ADD_EDITOR_CONTENT:
2552                        if (this.mPendingEditorContent != null) {
2553                            attachEditorContentToConversation(this.mPendingEditorContent);
2554                        }
2555                        break;
2556                    case REQUEST_COMMIT_ATTACHMENTS:
2557                        commitAttachments();
2558                        break;
2559                    case REQUEST_START_AUDIO_CALL:
2560                        triggerRtpSession(RtpSessionActivity.ACTION_MAKE_VOICE_CALL);
2561                        break;
2562                    case REQUEST_START_VIDEO_CALL:
2563                        triggerRtpSession(RtpSessionActivity.ACTION_MAKE_VIDEO_CALL);
2564                        break;
2565                    default:
2566                        attachFile(requestCode);
2567                        break;
2568                }
2569            } else {
2570                @StringRes int res;
2571                String firstDenied =
2572                        getFirstDenied(permissionResult.grantResults, permissionResult.permissions);
2573                if (Manifest.permission.RECORD_AUDIO.equals(firstDenied)) {
2574                    res = R.string.no_microphone_permission;
2575                } else if (Manifest.permission.CAMERA.equals(firstDenied)) {
2576                    res = R.string.no_camera_permission;
2577                } else {
2578                    res = R.string.no_storage_permission;
2579                }
2580                Toast.makeText(
2581                                getActivity(),
2582                                getString(res, getString(R.string.app_name)),
2583                                Toast.LENGTH_SHORT)
2584                        .show();
2585            }
2586        }
2587        if (writeGranted(grantResults, permissions)) {
2588            if (activity != null && activity.xmppConnectionService != null) {
2589                activity.xmppConnectionService.getDrawableCache().evictAll();
2590                activity.xmppConnectionService.restartFileObserver();
2591            }
2592            refresh();
2593        }
2594        if (cameraGranted(grantResults, permissions) || audioGranted(grantResults, permissions)) {
2595            XmppConnectionService.toggleForegroundService(activity);
2596        }
2597    }
2598
2599    public void startDownloadable(Message message) {
2600        if (!hasPermissions(REQUEST_START_DOWNLOAD, Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
2601            this.mPendingDownloadableMessage = message;
2602            return;
2603        }
2604        Transferable transferable = message.getTransferable();
2605        if (transferable != null) {
2606            if (transferable instanceof TransferablePlaceholder && message.hasFileOnRemoteHost()) {
2607                createNewConnection(message);
2608                return;
2609            }
2610            if (!transferable.start()) {
2611                Log.d(Config.LOGTAG, "type: " + transferable.getClass().getName());
2612                Toast.makeText(getActivity(), R.string.not_connected_try_again, Toast.LENGTH_SHORT)
2613                        .show();
2614            }
2615        } else if (message.treatAsDownloadable()
2616                || message.hasFileOnRemoteHost()
2617                || MessageUtils.unInitiatedButKnownSize(message)) {
2618            createNewConnection(message);
2619        } else {
2620            Log.d(
2621                    Config.LOGTAG,
2622                    message.getConversation().getAccount() + ": unable to start downloadable");
2623        }
2624    }
2625
2626    private void createNewConnection(final Message message) {
2627        if (!activity.xmppConnectionService.hasInternetConnection()) {
2628            Toast.makeText(getActivity(), R.string.not_connected_try_again, Toast.LENGTH_SHORT)
2629                    .show();
2630            return;
2631        }
2632        if (message.getOob() != null && "cid".equalsIgnoreCase(message.getOob().getScheme())) {
2633            try {
2634                BobTransfer transfer = new BobTransfer.ForMessage(message, activity.xmppConnectionService);
2635                message.setTransferable(transfer);
2636                transfer.start();
2637            } catch (URISyntaxException e) {
2638                Log.d(Config.LOGTAG, "BobTransfer failed to parse URI");
2639            }
2640        } else {
2641            activity.xmppConnectionService
2642                    .getHttpConnectionManager()
2643                    .createNewDownloadConnection(message, true);
2644        }
2645    }
2646
2647    @SuppressLint("InflateParams")
2648    protected void clearHistoryDialog(final Conversation conversation) {
2649        final MaterialAlertDialogBuilder builder = new MaterialAlertDialogBuilder(requireActivity());
2650        builder.setTitle(R.string.clear_conversation_history);
2651        final View dialogView =
2652                requireActivity().getLayoutInflater().inflate(R.layout.dialog_clear_history, null);
2653        final CheckBox endConversationCheckBox =
2654                dialogView.findViewById(R.id.end_conversation_checkbox);
2655        builder.setView(dialogView);
2656        builder.setNegativeButton(getString(R.string.cancel), null);
2657        builder.setPositiveButton(
2658                getString(R.string.confirm),
2659                (dialog, which) -> {
2660                    this.activity.xmppConnectionService.clearConversationHistory(conversation);
2661                    if (endConversationCheckBox.isChecked()) {
2662                        this.activity.xmppConnectionService.archiveConversation(conversation);
2663                        this.activity.onConversationArchived(conversation);
2664                    } else {
2665                        activity.onConversationsListItemUpdated();
2666                        refresh();
2667                    }
2668                });
2669        builder.create().show();
2670    }
2671
2672    protected void muteConversationDialog(final Conversation conversation) {
2673        final MaterialAlertDialogBuilder builder = new MaterialAlertDialogBuilder(requireActivity());
2674        builder.setTitle(R.string.disable_notifications);
2675        final int[] durations = activity.getResources().getIntArray(R.array.mute_options_durations);
2676        final CharSequence[] labels = new CharSequence[durations.length];
2677        for (int i = 0; i < durations.length; ++i) {
2678            if (durations[i] == -1) {
2679                labels[i] = activity.getString(R.string.until_further_notice);
2680            } else {
2681                labels[i] = TimeFrameUtils.resolve(activity, 1000L * durations[i]);
2682            }
2683        }
2684        builder.setItems(
2685                labels,
2686                (dialog, which) -> {
2687                    final long till;
2688                    if (durations[which] == -1) {
2689                        till = Long.MAX_VALUE;
2690                    } else {
2691                        till = System.currentTimeMillis() + (durations[which] * 1000L);
2692                    }
2693                    conversation.setMutedTill(till);
2694                    activity.xmppConnectionService.updateConversation(conversation);
2695                    activity.onConversationsListItemUpdated();
2696                    refresh();
2697                    activity.invalidateOptionsMenu();
2698                });
2699        builder.create().show();
2700    }
2701
2702    private boolean hasPermissions(int requestCode, List<String> permissions) {
2703        final List<String> missingPermissions = new ArrayList<>();
2704        for (String permission : permissions) {
2705            if ((Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU || Config.ONLY_INTERNAL_STORAGE) && permission.equals(Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
2706                continue;
2707            }
2708            if (activity.checkSelfPermission(permission) != PackageManager.PERMISSION_GRANTED) {
2709                missingPermissions.add(permission);
2710            }
2711        }
2712        if (missingPermissions.size() == 0) {
2713            return true;
2714        } else {
2715            requestPermissions(
2716                    missingPermissions.toArray(new String[0]),
2717                    requestCode);
2718            return false;
2719        }
2720    }
2721
2722    private boolean hasPermissions(int requestCode, String... permissions) {
2723        return hasPermissions(requestCode, ImmutableList.copyOf(permissions));
2724    }
2725
2726    public void unMuteConversation(final Conversation conversation) {
2727        conversation.setMutedTill(0);
2728        this.activity.xmppConnectionService.updateConversation(conversation);
2729        this.activity.onConversationsListItemUpdated();
2730        refresh();
2731        this.activity.invalidateOptionsMenu();
2732    }
2733
2734    protected void invokeAttachFileIntent(final int attachmentChoice) {
2735        Intent intent = new Intent();
2736        boolean chooser = false;
2737        switch (attachmentChoice) {
2738            case ATTACHMENT_CHOICE_CHOOSE_IMAGE:
2739                intent.setAction(Intent.ACTION_GET_CONTENT);
2740                intent.putExtra(Intent.EXTRA_ALLOW_MULTIPLE, true);
2741                intent.setType("image/*");
2742                chooser = true;
2743                break;
2744            case ATTACHMENT_CHOICE_RECORD_VIDEO:
2745                intent.setAction(MediaStore.ACTION_VIDEO_CAPTURE);
2746                break;
2747            case ATTACHMENT_CHOICE_TAKE_PHOTO:
2748                final Uri uri = activity.xmppConnectionService.getFileBackend().getTakePhotoUri();
2749                pendingTakePhotoUri.push(uri);
2750                intent.putExtra(MediaStore.EXTRA_OUTPUT, uri);
2751                intent.addFlags(Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
2752                intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
2753                intent.setAction(MediaStore.ACTION_IMAGE_CAPTURE);
2754                break;
2755            case ATTACHMENT_CHOICE_CHOOSE_FILE:
2756                chooser = true;
2757                intent.setType("*/*");
2758                intent.putExtra(Intent.EXTRA_ALLOW_MULTIPLE, true);
2759                intent.addCategory(Intent.CATEGORY_OPENABLE);
2760                intent.setAction(Intent.ACTION_GET_CONTENT);
2761                break;
2762            case ATTACHMENT_CHOICE_RECORD_VOICE:
2763                intent = new Intent(getActivity(), RecordingActivity.class);
2764                break;
2765            case ATTACHMENT_CHOICE_LOCATION:
2766                intent = GeoHelper.getFetchIntent(activity);
2767                break;
2768        }
2769        final Context context = getActivity();
2770        if (context == null) {
2771            return;
2772        }
2773        try {
2774            if (chooser) {
2775                startActivityForResult(
2776                        Intent.createChooser(intent, getString(R.string.perform_action_with)),
2777                        attachmentChoice);
2778            } else {
2779                startActivityForResult(intent, attachmentChoice);
2780            }
2781        } catch (final ActivityNotFoundException e) {
2782            Toast.makeText(context, R.string.no_application_found, Toast.LENGTH_LONG).show();
2783        }
2784    }
2785
2786    @Override
2787    public void onResume() {
2788        super.onResume();
2789        binding.messagesView.post(this::fireReadEvent);
2790    }
2791
2792    private void fireReadEvent() {
2793        if (activity != null && this.conversation != null) {
2794            String uuid = getLastVisibleMessageUuid();
2795            if (uuid != null) {
2796                activity.onConversationRead(this.conversation, uuid);
2797            }
2798        }
2799    }
2800
2801    private void newSubThread() {
2802        Element oldThread = conversation.getThread();
2803        Element thread = new Element("thread", "jabber:client");
2804        thread.setContent(UUID.randomUUID().toString());
2805        if (oldThread != null) thread.setAttribute("parent", oldThread.getContent());
2806        setThread(thread);
2807    }
2808
2809    private void newThread() {
2810        Element thread = new Element("thread", "jabber:client");
2811        thread.setContent(UUID.randomUUID().toString());
2812        setThread(thread);
2813    }
2814
2815    private void updateThreadFromLastMessage() {
2816        if (this.conversation != null && !this.conversation.getUserSelectedThread() && TextUtils.isEmpty(binding.textinput.getText())) {
2817            Message message = getLastVisibleMessage();
2818            if (message == null) {
2819                newThread();
2820            } else {
2821                if (conversation.getMode() == Conversation.MODE_MULTI) {
2822                    if (activity == null || activity.xmppConnectionService == null) return;
2823                    if (message.getStatus() < Message.STATUS_SEND) {
2824                        if (!activity.xmppConnectionService.getBooleanPreference("follow_thread_in_channel", R.bool.follow_thread_in_channel)) return;
2825                    }
2826                }
2827
2828                setThread(message.getThread());
2829            }
2830        }
2831    }
2832
2833    private String getLastVisibleMessageUuid() {
2834        Message message =  getLastVisibleMessage();
2835        return message == null ? null : message.getUuid();
2836    }
2837
2838    private Message getLastVisibleMessage() {
2839        if (binding == null) {
2840            return null;
2841        }
2842        synchronized (this.messageList) {
2843            int pos = binding.messagesView.getLastVisiblePosition();
2844            if (pos >= 0) {
2845                Message message = null;
2846                for (int i = pos; i >= 0; --i) {
2847                    try {
2848                        message = (Message) binding.messagesView.getItemAtPosition(i);
2849                    } catch (IndexOutOfBoundsException e) {
2850                        // should not happen if we synchronize properly. however if that fails we
2851                        // just gonna try item -1
2852                        continue;
2853                    }
2854                    if (message.getType() != Message.TYPE_STATUS) {
2855                        break;
2856                    }
2857                }
2858                if (message != null) {
2859                    while (message.next() != null && message.next().wasMergedIntoPrevious(activity == null ? null : activity.xmppConnectionService)) {
2860                        message = message.next();
2861                    }
2862                    return message;
2863                }
2864            }
2865        }
2866        return null;
2867    }
2868
2869    public void jumpTo(final Message message) {
2870        if (message.getUuid() == null) return;
2871        for (int i = 0; i < messageList.size(); i++) {
2872            final var m = messageList.get(i);
2873            if (m == null) continue;
2874            if (message.getUuid().equals(m.getUuid())) {
2875                binding.messagesView.setSelection(i);
2876                return;
2877            }
2878        }
2879    }
2880
2881    private void openWith(final Message message) {
2882        if (message.isGeoUri()) {
2883            GeoHelper.view(getActivity(), message);
2884        } else {
2885            final DownloadableFile file =
2886                    activity.xmppConnectionService.getFileBackend().getFile(message);
2887            ViewUtil.view(activity, file);
2888        }
2889    }
2890
2891    private void reportMessage(final Message message) {
2892        BlockContactDialog.show(activity, conversation.getContact(), message.getServerMsgId());
2893    }
2894
2895    private void showErrorMessage(final Message message) {
2896        final MaterialAlertDialogBuilder builder = new MaterialAlertDialogBuilder(requireActivity());
2897        builder.setTitle(R.string.error_message);
2898        final String errorMessage = message.getErrorMessage();
2899        final String[] errorMessageParts =
2900                errorMessage == null ? new String[0] : errorMessage.split("\\u001f");
2901        final String displayError;
2902        if (errorMessageParts.length == 2) {
2903            displayError = errorMessageParts[1];
2904        } else {
2905            displayError = errorMessage;
2906        }
2907        builder.setMessage(displayError);
2908        builder.setNegativeButton(
2909                R.string.copy_to_clipboard,
2910                (dialog, which) -> {
2911                    activity.copyTextToClipboard(displayError, R.string.error_message);
2912                    Toast.makeText(
2913                                    activity,
2914                                    R.string.error_message_copied_to_clipboard,
2915                                    Toast.LENGTH_SHORT)
2916                            .show();
2917                });
2918        builder.setPositiveButton(R.string.confirm, null);
2919        builder.create().show();
2920    }
2921
2922    public boolean onInlineImageLongClicked(Cid cid) {
2923        DownloadableFile f = activity.xmppConnectionService.getFileForCid(cid);
2924        if (f == null) return false;
2925
2926        saveAsSticker(f, null);
2927        return true;
2928    }
2929
2930    private void saveAsSticker(final Message m) {
2931        String existingName = m.getFileParams() != null && m.getFileParams().getName() != null ? m.getFileParams().getName() : "";
2932        existingName = existingName.lastIndexOf(".") == -1 ? existingName : existingName.substring(0, existingName.lastIndexOf("."));
2933        saveAsSticker(activity.xmppConnectionService.getFileBackend().getFile(m), existingName);
2934    }
2935
2936    private void saveAsSticker(final File file, final String name) {
2937        savingAsSticker = file;
2938
2939        Intent intent = new Intent(Intent.ACTION_CREATE_DOCUMENT);
2940        intent.addCategory(Intent.CATEGORY_OPENABLE);
2941        intent.setType(MimeUtils.guessMimeTypeFromUri(activity, activity.xmppConnectionService.getFileBackend().getUriForFile(activity, file)));
2942        intent.putExtra(Intent.EXTRA_TITLE, name);
2943
2944        SharedPreferences p = PreferenceManager.getDefaultSharedPreferences(activity);
2945        final String dir = p.getString("sticker_directory", "Stickers");
2946        if (dir.startsWith("content://")) {
2947            intent.putExtra("android.provider.extra.INITIAL_URI", Uri.parse(dir));
2948        } else {
2949            new File(Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES) + "/" + dir + "/User Pack").mkdirs();
2950            Uri uri;
2951            if (Build.VERSION.SDK_INT >= 29) {
2952                Intent tmp = ((StorageManager) activity.getSystemService(Context.STORAGE_SERVICE)).getPrimaryStorageVolume().createOpenDocumentTreeIntent();
2953                uri = tmp.getParcelableExtra("android.provider.extra.INITIAL_URI");
2954                uri = Uri.parse(uri.toString().replace("/root/", "/document/") + "%3APictures%2F" + dir);
2955            } else {
2956                uri = Uri.parse("content://com.android.externalstorage.documents/document/primary%3APictures%2F" + dir);
2957            }
2958            intent.putExtra("android.provider.extra.INITIAL_URI", uri);
2959            intent.putExtra("android.content.extra.SHOW_ADVANCED", true);
2960        }
2961
2962        Toast.makeText(activity, "Choose a sticker pack to add this sticker to", Toast.LENGTH_SHORT).show();
2963        startActivityForResult(Intent.createChooser(intent, "Choose sticker pack"), REQUEST_SAVE_STICKER);
2964    }
2965
2966    private void deleteFile(final Message message) {
2967        final MaterialAlertDialogBuilder builder = new MaterialAlertDialogBuilder(requireActivity());
2968        builder.setNegativeButton(R.string.cancel, null);
2969        builder.setTitle(R.string.delete_file_dialog);
2970        builder.setMessage(R.string.delete_file_dialog_msg);
2971        builder.setPositiveButton(
2972                R.string.confirm,
2973                (dialog, which) -> {
2974                    List<Element> thumbs = selectedMessage.getFileParams() != null ? selectedMessage.getFileParams().getThumbnails() : null;
2975                    if (thumbs != null && !thumbs.isEmpty()) {
2976                        for (Element thumb : thumbs) {
2977                            Uri uri = Uri.parse(thumb.getAttribute("uri"));
2978                            if (uri.getScheme().equals("cid")) {
2979                                Cid cid = BobTransfer.cid(uri);
2980                                if (cid == null) continue;
2981                                DownloadableFile f = activity.xmppConnectionService.getFileForCid(cid);
2982                                activity.xmppConnectionService.evictPreview(f);
2983                                f.delete();
2984                            }
2985                        }
2986                    }
2987                    if (activity.xmppConnectionService.getFileBackend().deleteFile(message)) {
2988                        activity.xmppConnectionService.evictPreview(activity.xmppConnectionService.getFileBackend().getFile(message));
2989                        activity.xmppConnectionService.updateMessage(message, false);
2990                        activity.onConversationsListItemUpdated();
2991                        refresh();
2992                    }
2993                });
2994        builder.create().show();
2995    }
2996
2997    private void resendMessage(final Message message) {
2998        if (message.isFileOrImage()) {
2999            if (!(message.getConversation() instanceof Conversation)) {
3000                return;
3001            }
3002            final Conversation conversation = (Conversation) message.getConversation();
3003            final DownloadableFile file =
3004                    activity.xmppConnectionService.getFileBackend().getFile(message);
3005            if ((file.exists() && file.canRead()) || message.hasFileOnRemoteHost()) {
3006                final XmppConnection xmppConnection = conversation.getAccount().getXmppConnection();
3007                if (!message.hasFileOnRemoteHost()
3008                        && xmppConnection != null
3009                        && conversation.getMode() == Conversational.MODE_SINGLE
3010                        && !xmppConnection
3011                                .getFeatures()
3012                                .httpUpload(message.getFileParams().getSize())) {
3013                    activity.selectPresence(
3014                            conversation,
3015                            () -> {
3016                                message.setCounterpart(conversation.getNextCounterpart());
3017                                activity.xmppConnectionService.resendFailedMessages(message);
3018                                new Handler()
3019                                        .post(
3020                                                () -> {
3021                                                    int size = messageList.size();
3022                                                    this.binding.messagesView.setSelection(
3023                                                            size - 1);
3024                                                });
3025                            });
3026                    return;
3027                }
3028            } else if (!Compatibility.hasStoragePermission(getActivity())) {
3029                Toast.makeText(activity, R.string.no_storage_permission, Toast.LENGTH_SHORT).show();
3030                return;
3031            } else {
3032                Toast.makeText(activity, R.string.file_deleted, Toast.LENGTH_SHORT).show();
3033                message.setDeleted(true);
3034                activity.xmppConnectionService.updateMessage(message, false);
3035                activity.onConversationsListItemUpdated();
3036                refresh();
3037                return;
3038            }
3039        }
3040        activity.xmppConnectionService.resendFailedMessages(message);
3041        new Handler()
3042                .post(
3043                        () -> {
3044                            int size = messageList.size();
3045                            this.binding.messagesView.setSelection(size - 1);
3046                        });
3047    }
3048
3049    private void cancelTransmission(Message message) {
3050        Transferable transferable = message.getTransferable();
3051        if (transferable != null) {
3052            transferable.cancel();
3053        } else if (message.getStatus() != Message.STATUS_RECEIVED) {
3054            activity.xmppConnectionService.markMessage(
3055                    message, Message.STATUS_SEND_FAILED, Message.ERROR_MESSAGE_CANCELLED);
3056        }
3057    }
3058
3059    private void retryDecryption(Message message) {
3060        message.setEncryption(Message.ENCRYPTION_PGP);
3061        activity.onConversationsListItemUpdated();
3062        refresh();
3063        conversation.getAccount().getPgpDecryptionService().decrypt(message, false);
3064    }
3065
3066    public void privateMessageWith(final Jid counterpart) {
3067        if (conversation.setOutgoingChatState(Config.DEFAULT_CHAT_STATE)) {
3068            activity.xmppConnectionService.sendChatState(conversation);
3069        }
3070        this.binding.textinput.setText("");
3071        this.conversation.setNextCounterpart(counterpart);
3072        updateChatMsgHint();
3073        updateSendButton();
3074        updateEditablity();
3075    }
3076
3077    private void correctMessage(Message message) {
3078        while (message.mergeable(message.next())) {
3079            message = message.next();
3080        }
3081        setThread(message.getThread());
3082        conversation.setUserSelectedThread(true);
3083        this.conversation.setCorrectingMessage(message);
3084        final Editable editable = binding.textinput.getText();
3085        this.conversation.setDraftMessage(editable.toString());
3086        this.binding.textinput.setText("");
3087        this.binding.textinput.append(message.getBody(true));
3088        if (message.getSubject() != null && message.getSubject().length() > 0) {
3089            this.binding.textinputSubject.setText(message.getSubject());
3090            this.binding.textinputSubject.setVisibility(View.VISIBLE);
3091        }
3092        final var replyTo = message.getInReplyTo();
3093        if (replyTo != null) {
3094            setupReply(replyTo);
3095        }
3096    }
3097
3098    private void highlightInConference(String nick) {
3099        final Editable editable = this.binding.textinput.getText();
3100        String oldString = editable.toString().trim();
3101        final int pos = this.binding.textinput.getSelectionStart();
3102        if (oldString.isEmpty() || pos == 0) {
3103            editable.insert(0, nick + ": ");
3104        } else {
3105            final char before = editable.charAt(pos - 1);
3106            final char after = editable.length() > pos ? editable.charAt(pos) : '\0';
3107            if (before == '\n') {
3108                editable.insert(pos, nick + ": ");
3109            } else {
3110                if (pos > 2 && editable.subSequence(pos - 2, pos).toString().equals(": ")) {
3111                    if (NickValidityChecker.check(
3112                            conversation,
3113                            Arrays.asList(
3114                                    editable.subSequence(0, pos - 2).toString().split(", ")))) {
3115                        editable.insert(pos - 2, ", " + nick);
3116                        return;
3117                    }
3118                }
3119                editable.insert(
3120                        pos,
3121                        (Character.isWhitespace(before) ? "" : " ")
3122                                + nick
3123                                + (Character.isWhitespace(after) ? "" : " "));
3124                if (Character.isWhitespace(after)) {
3125                    this.binding.textinput.setSelection(
3126                            this.binding.textinput.getSelectionStart() + 1);
3127                }
3128            }
3129        }
3130    }
3131
3132    @Override
3133    public void startActivityForResult(Intent intent, int requestCode) {
3134        final Activity activity = getActivity();
3135        if (activity instanceof ConversationsActivity) {
3136            ((ConversationsActivity) activity).clearPendingViewIntent();
3137        }
3138        super.startActivityForResult(intent, requestCode);
3139    }
3140
3141    @Override
3142    public void onSaveInstanceState(@NonNull Bundle outState) {
3143        super.onSaveInstanceState(outState);
3144        if (conversation != null) {
3145            outState.putString(STATE_CONVERSATION_UUID, conversation.getUuid());
3146            outState.putString(STATE_LAST_MESSAGE_UUID, lastMessageUuid);
3147            final Uri uri = pendingTakePhotoUri.peek();
3148            if (uri != null) {
3149                outState.putString(STATE_PHOTO_URI, uri.toString());
3150            }
3151            final ScrollState scrollState = getScrollPosition();
3152            if (scrollState != null) {
3153                outState.putParcelable(STATE_SCROLL_POSITION, scrollState);
3154            }
3155            final ArrayList<Attachment> attachments =
3156                    mediaPreviewAdapter == null
3157                            ? new ArrayList<>()
3158                            : mediaPreviewAdapter.getAttachments();
3159            if (attachments.size() > 0) {
3160                outState.putParcelableArrayList(STATE_MEDIA_PREVIEWS, attachments);
3161            }
3162        }
3163    }
3164
3165    @Override
3166    public void onActivityCreated(Bundle savedInstanceState) {
3167        super.onActivityCreated(savedInstanceState);
3168        if (savedInstanceState == null) {
3169            return;
3170        }
3171        String uuid = savedInstanceState.getString(STATE_CONVERSATION_UUID);
3172        ArrayList<Attachment> attachments =
3173                savedInstanceState.getParcelableArrayList(STATE_MEDIA_PREVIEWS);
3174        pendingLastMessageUuid.push(savedInstanceState.getString(STATE_LAST_MESSAGE_UUID, null));
3175        if (uuid != null) {
3176            QuickLoader.set(uuid);
3177            this.pendingConversationsUuid.push(uuid);
3178            if (attachments != null && attachments.size() > 0) {
3179                this.pendingMediaPreviews.push(attachments);
3180            }
3181            String takePhotoUri = savedInstanceState.getString(STATE_PHOTO_URI);
3182            if (takePhotoUri != null) {
3183                pendingTakePhotoUri.push(Uri.parse(takePhotoUri));
3184            }
3185            pendingScrollState.push(savedInstanceState.getParcelable(STATE_SCROLL_POSITION));
3186        }
3187    }
3188
3189    @Override
3190    public void onStart() {
3191        super.onStart();
3192        if (this.reInitRequiredOnStart && this.conversation != null) {
3193            final Bundle extras = pendingExtras.pop();
3194            reInit(this.conversation, extras != null);
3195            if (extras != null) {
3196                processExtras(extras);
3197            }
3198        } else if (conversation == null
3199                && activity != null
3200                && activity.xmppConnectionService != null) {
3201            final String uuid = pendingConversationsUuid.pop();
3202            Log.d(
3203                    Config.LOGTAG,
3204                    "ConversationFragment.onStart() - activity was bound but no conversation loaded. uuid="
3205                            + uuid);
3206            if (uuid != null) {
3207                findAndReInitByUuidOrArchive(uuid);
3208            }
3209        }
3210    }
3211
3212    @Override
3213    public void onStop() {
3214        super.onStop();
3215        final Activity activity = getActivity();
3216        messageListAdapter.unregisterListenerInAudioPlayer();
3217        if (activity == null || !activity.isChangingConfigurations()) {
3218            hideSoftKeyboard(activity);
3219            messageListAdapter.stopAudioPlayer();
3220        }
3221        if (this.conversation != null) {
3222            final String msg = this.binding.textinput.getText().toString();
3223            storeNextMessage(msg);
3224            updateChatState(this.conversation, msg);
3225            this.activity.xmppConnectionService.getNotificationService().setOpenConversation(null);
3226        }
3227        this.reInitRequiredOnStart = true;
3228        if (emojiPopup != null) emojiPopup.dismiss();
3229    }
3230
3231    private void updateChatState(final Conversation conversation, final String msg) {
3232        ChatState state = msg.length() == 0 ? Config.DEFAULT_CHAT_STATE : ChatState.PAUSED;
3233        Account.State status = conversation.getAccount().getStatus();
3234        if (status == Account.State.ONLINE && conversation.setOutgoingChatState(state)) {
3235            activity.xmppConnectionService.sendChatState(conversation);
3236        }
3237    }
3238
3239    private void saveMessageDraftStopAudioPlayer() {
3240        final Conversation previousConversation = this.conversation;
3241        if (this.activity == null || this.binding == null || previousConversation == null) {
3242            return;
3243        }
3244        Log.d(Config.LOGTAG, "ConversationFragment.saveMessageDraftStopAudioPlayer()");
3245        final String msg = this.binding.textinput.getText().toString();
3246        storeNextMessage(msg);
3247        updateChatState(this.conversation, msg);
3248        messageListAdapter.stopAudioPlayer();
3249        mediaPreviewAdapter.clearPreviews();
3250        toggleInputMethod();
3251    }
3252
3253    public void reInit(final Conversation conversation, final Bundle extras) {
3254        QuickLoader.set(conversation.getUuid());
3255        final boolean changedConversation = this.conversation != conversation;
3256        if (changedConversation) {
3257            this.saveMessageDraftStopAudioPlayer();
3258        }
3259        this.clearPending();
3260        if (this.reInit(conversation, extras != null)) {
3261            if (extras != null) {
3262                processExtras(extras);
3263            }
3264            this.reInitRequiredOnStart = false;
3265        } else {
3266            this.reInitRequiredOnStart = true;
3267            pendingExtras.push(extras);
3268        }
3269        resetUnreadMessagesCount();
3270    }
3271
3272    private void reInit(Conversation conversation) {
3273        reInit(conversation, false);
3274    }
3275
3276    private boolean reInit(final Conversation conversation, final boolean hasExtras) {
3277        if (conversation == null) {
3278            return false;
3279        }
3280        final Conversation originalConversation = this.conversation;
3281        this.conversation = conversation;
3282        // once we set the conversation all is good and it will automatically do the right thing in
3283        // onStart()
3284        if (this.activity == null || this.binding == null) {
3285            return false;
3286        }
3287
3288        if (!activity.xmppConnectionService.isConversationStillOpen(this.conversation)) {
3289            activity.onConversationArchived(this.conversation);
3290            return false;
3291        }
3292
3293        final var cursord = getResources().getDrawable(R.drawable.cursor_on_tertiary_container);
3294        if (activity.xmppConnectionService != null && activity.xmppConnectionService.getAccounts().size() > 1) {
3295            final var bg = MaterialColors.getColor(binding.textinput, com.google.android.material.R.attr.colorSurface);
3296            final var accountColor = conversation.getAccount().getColor(activity.isDark());
3297            final var colors = MaterialColors.getColorRoles(activity, accountColor);
3298            final var accent = activity.isDark() ? ColorUtils.blendARGB(colors.getAccentContainer(), bg, 1.0f - Math.max(0.25f, Color.alpha(accountColor) / 255.0f)) : colors.getAccentContainer();
3299            cursord.setTintList(ColorStateList.valueOf(colors.getOnAccentContainer()));
3300            binding.inputLayout.setBackgroundTintList(ColorStateList.valueOf(accent));
3301            binding.textinputSubject.setTextColor(colors.getOnAccentContainer());
3302            binding.textinput.setTextColor(colors.getOnAccentContainer());
3303            binding.textinputSubject.setHintTextColor(ColorStateList.valueOf(colors.getOnAccentContainer()).withAlpha(115));
3304            binding.textinput.setHintTextColor(ColorStateList.valueOf(colors.getOnAccentContainer()).withAlpha(115));
3305            binding.textInputHint.setTextColor(colors.getOnAccentContainer());
3306        } else {
3307            cursord.setTintList(ColorStateList.valueOf(MaterialColors.getColor(binding.textinput, com.google.android.material.R.attr.colorOnTertiaryContainer)));
3308            binding.inputLayout.setBackgroundTintList(ColorStateList.valueOf(MaterialColors.getColor(binding.inputLayout, com.google.android.material.R.attr.colorTertiaryContainer)));
3309            binding.textinputSubject.setTextColor(MaterialColors.getColor(binding.textinputSubject, com.google.android.material.R.attr.colorOnTertiaryContainer));
3310            binding.textinput.setTextColor(MaterialColors.getColor(binding.textinput, com.google.android.material.R.attr.colorOnTertiaryContainer));
3311            binding.textinputSubject.setHintTextColor(R.color.hint_on_tertiary_container);
3312            binding.textinput.setHintTextColor(R.color.hint_on_tertiary_container);
3313            binding.textInputHint.setTextColor(MaterialColors.getColor(binding.textInputHint, com.google.android.material.R.attr.colorOnTertiaryContainer));
3314        }
3315        if (Build.VERSION.SDK_INT >= 29) {
3316            binding.textinputSubject.setTextCursorDrawable(cursord);
3317            binding.textinput.setTextCursorDrawable(cursord);
3318        }
3319
3320        setThread(conversation.getThread());
3321        setupReply(conversation.getReplyTo());
3322
3323        stopScrolling();
3324        Log.d(Config.LOGTAG, "reInit(hasExtras=" + hasExtras + ")");
3325
3326        if (this.conversation.isRead() && hasExtras) {
3327            Log.d(Config.LOGTAG, "trimming conversation");
3328            this.conversation.trim();
3329        }
3330
3331        setupIme();
3332
3333        final boolean scrolledToBottomAndNoPending =
3334                this.scrolledToBottom() && pendingScrollState.peek() == null;
3335
3336        this.binding.textSendButton.setContentDescription(
3337                activity.getString(R.string.send_message_to_x, conversation.getName()));
3338        this.binding.textinput.setKeyboardListener(null);
3339        this.binding.textinputSubject.setKeyboardListener(null);
3340        final boolean participating =
3341                conversation.getMode() == Conversational.MODE_SINGLE
3342                        || conversation.getMucOptions().participating();
3343        if (participating) {
3344            this.binding.textinput.setText(this.conversation.getNextMessage());
3345            this.binding.textinput.setSelection(this.binding.textinput.length());
3346        } else {
3347            this.binding.textinput.setText(MessageUtils.EMPTY_STRING);
3348        }
3349        this.binding.textinput.setKeyboardListener(this);
3350        this.binding.textinputSubject.setKeyboardListener(this);
3351        messageListAdapter.updatePreferences();
3352        refresh(false);
3353        activity.invalidateOptionsMenu();
3354        this.conversation.messagesLoaded.set(true);
3355        Log.d(Config.LOGTAG, "scrolledToBottomAndNoPending=" + scrolledToBottomAndNoPending);
3356
3357        if (hasExtras || scrolledToBottomAndNoPending) {
3358            resetUnreadMessagesCount();
3359            synchronized (this.messageList) {
3360                Log.d(Config.LOGTAG, "jump to first unread message");
3361                final Message first = conversation.getFirstUnreadMessage();
3362                final int bottom = Math.max(0, this.messageList.size() - 1);
3363                final int pos;
3364                final boolean jumpToBottom;
3365                if (first == null) {
3366                    pos = bottom;
3367                    jumpToBottom = true;
3368                } else {
3369                    int i = getIndexOf(first.getUuid(), this.messageList);
3370                    pos = i < 0 ? bottom : i;
3371                    jumpToBottom = false;
3372                }
3373                setSelection(pos, jumpToBottom);
3374            }
3375        }
3376
3377        this.binding.messagesView.post(this::fireReadEvent);
3378        // TODO if we only do this when this fragment is running on main it won't *bing* in tablet
3379        // layout which might be unnecessary since we can *see* it
3380        activity.xmppConnectionService
3381                .getNotificationService()
3382                .setOpenConversation(this.conversation);
3383
3384        if (commandAdapter != null && conversation != originalConversation) {
3385            commandAdapter.clear();
3386            conversation.setupViewPager(binding.conversationViewPager, binding.tabLayout, activity.xmppConnectionService.isOnboarding(), originalConversation);
3387            refreshCommands(false);
3388        }
3389        if (commandAdapter == null && conversation != null) {
3390            conversation.setupViewPager(binding.conversationViewPager, binding.tabLayout, activity.xmppConnectionService.isOnboarding(), null);
3391            commandAdapter = new CommandAdapter((XmppActivity) getActivity());
3392            binding.commandsView.setAdapter(commandAdapter);
3393            binding.commandsView.setOnItemClickListener((parent, view, position, id) -> {
3394                if (activity == null) return;
3395
3396                commandAdapter.getItem(position).start(activity, ConversationFragment.this.conversation);
3397            });
3398            refreshCommands(false);
3399        }
3400
3401        binding.commandsNote.setVisibility(activity.xmppConnectionService.isOnboarding() ? View.VISIBLE : View.GONE);
3402
3403        return true;
3404    }
3405
3406    @Override
3407    public void refreshForNewCaps(final Set<Jid> newCapsJids) {
3408        if (newCapsJids.isEmpty() || newCapsJids.contains(conversation.getJid().asBareJid())) {
3409            refreshCommands(true);
3410        }
3411    }
3412
3413    protected void refreshCommands(boolean delayShow) {
3414        if (commandAdapter == null) return;
3415
3416        final CommandAdapter.MucConfig mucConfig =
3417            conversation.getMucOptions().getSelf().getAffiliation().ranks(MucOptions.Affiliation.OWNER) ?
3418            new CommandAdapter.MucConfig() :
3419            null;
3420
3421        Jid commandJid = conversation.getContact().resourceWhichSupport(Namespace.COMMANDS);
3422        if (commandJid == null && conversation.getMode() == Conversation.MODE_MULTI && conversation.getMucOptions().hasFeature(Namespace.COMMANDS)) {
3423            commandJid = conversation.getJid().asBareJid();
3424        }
3425        if (commandJid == null && conversation.getJid().isDomainJid()) {
3426            commandJid = conversation.getJid();
3427        }
3428        if (commandJid == null) {
3429            binding.commandsViewProgressbar.setVisibility(View.GONE);
3430            if (mucConfig == null) {
3431                conversation.hideViewPager();
3432            } else {
3433                commandAdapter.clear();
3434                commandAdapter.add(mucConfig);
3435                conversation.showViewPager();
3436            }
3437        } else {
3438            if (!delayShow) conversation.showViewPager();
3439            binding.commandsViewProgressbar.setVisibility(View.VISIBLE);
3440            activity.xmppConnectionService.fetchCommands(conversation.getAccount(), commandJid, (iq) -> {
3441                if (activity == null) return;
3442
3443                activity.runOnUiThread(() -> {
3444                    binding.commandsViewProgressbar.setVisibility(View.GONE);
3445                    commandAdapter.clear();
3446                    if (iq.getType() == Iq.Type.RESULT) {
3447                        for (Element child : iq.query().getChildren()) {
3448                            if (!"item".equals(child.getName()) || !Namespace.DISCO_ITEMS.equals(child.getNamespace())) continue;
3449                            commandAdapter.add(new CommandAdapter.Command0050(child));
3450                        }
3451                    }
3452
3453                    if (mucConfig != null) commandAdapter.add(mucConfig);
3454
3455                    if (commandAdapter.getCount() < 1) {
3456                        conversation.hideViewPager();
3457                    } else if (delayShow) {
3458                        conversation.showViewPager();
3459                    }
3460                });
3461            });
3462        }
3463    }
3464
3465    private void resetUnreadMessagesCount() {
3466        lastMessageUuid = null;
3467        hideUnreadMessagesCount();
3468    }
3469
3470    private void hideUnreadMessagesCount() {
3471        if (this.binding == null) {
3472            return;
3473        }
3474        this.binding.scrollToBottomButton.setEnabled(false);
3475        this.binding.scrollToBottomButton.hide();
3476        this.binding.unreadCountCustomView.setVisibility(View.GONE);
3477    }
3478
3479    private void setSelection(int pos, boolean jumpToBottom) {
3480        ListViewUtils.setSelection(this.binding.messagesView, pos, jumpToBottom);
3481        this.binding.messagesView.post(
3482                () -> ListViewUtils.setSelection(this.binding.messagesView, pos, jumpToBottom));
3483        this.binding.messagesView.post(this::fireReadEvent);
3484    }
3485
3486    private boolean scrolledToBottom() {
3487        return this.binding != null && scrolledToBottom(this.binding.messagesView);
3488    }
3489
3490    private void processExtras(final Bundle extras) {
3491        final String downloadUuid = extras.getString(ConversationsActivity.EXTRA_DOWNLOAD_UUID);
3492        final String text = extras.getString(Intent.EXTRA_TEXT);
3493        final String nick = extras.getString(ConversationsActivity.EXTRA_NICK);
3494        final String node = extras.getString(ConversationsActivity.EXTRA_NODE);
3495        final String postInitAction =
3496                extras.getString(ConversationsActivity.EXTRA_POST_INIT_ACTION);
3497        final boolean asQuote = extras.getBoolean(ConversationsActivity.EXTRA_AS_QUOTE);
3498        final boolean pm = extras.getBoolean(ConversationsActivity.EXTRA_IS_PRIVATE_MESSAGE, false);
3499        final boolean doNotAppend =
3500                extras.getBoolean(ConversationsActivity.EXTRA_DO_NOT_APPEND, false);
3501        final String type = extras.getString(ConversationsActivity.EXTRA_TYPE);
3502
3503        final String thread = extras.getString(ConversationsActivity.EXTRA_THREAD);
3504        if (thread != null) {
3505            conversation.setLockThread(true);
3506            backPressedLeaveSingleThread.setEnabled(true);
3507            setThread(new Element("thread").setContent(thread));
3508            refresh();
3509        }
3510
3511        final List<Uri> uris = extractUris(extras);
3512        if (uris != null && uris.size() > 0) {
3513            if (uris.size() == 1 && "geo".equals(uris.get(0).getScheme())) {
3514                mediaPreviewAdapter.addMediaPreviews(
3515                        Attachment.of(getActivity(), uris.get(0), Attachment.Type.LOCATION));
3516            } else {
3517                final List<Uri> cleanedUris = cleanUris(new ArrayList<>(uris));
3518                mediaPreviewAdapter.addMediaPreviews(
3519                        Attachment.of(getActivity(), cleanedUris, type));
3520            }
3521            toggleInputMethod();
3522            return;
3523        }
3524        if (nick != null) {
3525            if (pm) {
3526                Jid jid = conversation.getJid();
3527                try {
3528                    Jid next = Jid.of(jid.getLocal(), jid.getDomain(), nick);
3529                    privateMessageWith(next);
3530                } catch (final IllegalArgumentException ignored) {
3531                    // do nothing
3532                }
3533            } else {
3534                final MucOptions mucOptions = conversation.getMucOptions();
3535                if (mucOptions.participating() || conversation.getNextCounterpart() != null) {
3536                    highlightInConference(nick);
3537                }
3538            }
3539        } else {
3540            if (text != null && GeoHelper.GEO_URI.matcher(text).matches()) {
3541                mediaPreviewAdapter.addMediaPreviews(
3542                        Attachment.of(getActivity(), Uri.parse(text), Attachment.Type.LOCATION));
3543                toggleInputMethod();
3544                return;
3545            } else if (text != null && asQuote) {
3546                quoteText(text);
3547            } else {
3548                appendText(text, doNotAppend);
3549            }
3550        }
3551        if (ConversationsActivity.POST_ACTION_RECORD_VOICE.equals(postInitAction)) {
3552            attachFile(ATTACHMENT_CHOICE_RECORD_VOICE, false);
3553            return;
3554        }
3555        if ("call".equals(postInitAction)) {
3556            checkPermissionAndTriggerAudioCall();
3557        }
3558        if ("message".equals(postInitAction)) {
3559            binding.conversationViewPager.post(() -> {
3560                binding.conversationViewPager.setCurrentItem(0);
3561            });
3562        }
3563        if ("command".equals(postInitAction)) {
3564            binding.conversationViewPager.post(() -> {
3565                PagerAdapter adapter = binding.conversationViewPager.getAdapter();
3566                if (adapter != null && adapter.getCount() > 1) {
3567                    binding.conversationViewPager.setCurrentItem(1);
3568                }
3569                final String jid = extras.getString(ConversationsActivity.EXTRA_JID);
3570                Jid commandJid = null;
3571                if (jid != null) {
3572                    try {
3573                        commandJid = Jid.of(jid);
3574                    } catch (final IllegalArgumentException e) { }
3575                }
3576                if (commandJid == null || !commandJid.isFullJid()) {
3577                    final Jid discoJid = conversation.getContact().resourceWhichSupport(Namespace.COMMANDS);
3578                    if (discoJid != null) commandJid = discoJid;
3579                }
3580                if (node != null && commandJid != null && activity != null) {
3581                    conversation.startCommand(commandFor(commandJid, node), activity.xmppConnectionService);
3582                }
3583            });
3584            return;
3585        }
3586        Message message =
3587                downloadUuid == null ? null : conversation.findMessageWithFileAndUuid(downloadUuid);
3588        if ("webxdc".equals(postInitAction)) {
3589            if (message == null) {
3590                message = activity.xmppConnectionService.getMessage(conversation, downloadUuid);
3591            }
3592            if (message == null) return;
3593
3594            Cid webxdcCid = message.getFileParams().getCids().get(0);
3595            WebxdcPage webxdc = new WebxdcPage(activity, webxdcCid, message, activity.xmppConnectionService);
3596            Conversation conversation = (Conversation) message.getConversation();
3597            if (!conversation.switchToSession("webxdc\0" + message.getUuid())) {
3598                conversation.startWebxdc(webxdc);
3599            }
3600        }
3601        if (message != null) {
3602            startDownloadable(message);
3603        }
3604        if (activity.xmppConnectionService.isOnboarding() && conversation.getJid().equals(Jid.of("cheogram.com"))) {
3605            if (!conversation.switchToSession("jabber:iq:register")) {
3606                conversation.startCommand(commandFor(Jid.of("cheogram.com/CHEOGRAM%jabber:iq:register"), "jabber:iq:register"), activity.xmppConnectionService);
3607            }
3608        }
3609    }
3610
3611    private Element commandFor(final Jid jid, final String node) {
3612        if (commandAdapter != null) {
3613            for (int i = 0; i < commandAdapter.getCount(); i++) {
3614                final CommandAdapter.Command c = commandAdapter.getItem(i);
3615                if (!(c instanceof CommandAdapter.Command0050)) continue;
3616
3617                final Element command = ((CommandAdapter.Command0050) c).el;
3618                final String commandNode = command.getAttribute("node");
3619                if (commandNode == null || !commandNode.equals(node)) continue;
3620
3621                final Jid commandJid = command.getAttributeAsJid("jid");
3622                if (commandJid != null && !commandJid.asBareJid().equals(jid.asBareJid())) continue;
3623
3624                return command;
3625            }
3626        }
3627
3628        return new Element("command", Namespace.COMMANDS).setAttribute("name", node).setAttribute("node", node).setAttribute("jid", jid);
3629    }
3630
3631    private List<Uri> extractUris(final Bundle extras) {
3632        final List<Uri> uris = extras.getParcelableArrayList(Intent.EXTRA_STREAM);
3633        if (uris != null) {
3634            return uris;
3635        }
3636        final Uri uri = extras.getParcelable(Intent.EXTRA_STREAM);
3637        if (uri != null) {
3638            return Collections.singletonList(uri);
3639        } else {
3640            return null;
3641        }
3642    }
3643
3644    private List<Uri> cleanUris(final List<Uri> uris) {
3645        final Iterator<Uri> iterator = uris.iterator();
3646        while (iterator.hasNext()) {
3647            final Uri uri = iterator.next();
3648            if (FileBackend.dangerousFile(uri)) {
3649                iterator.remove();
3650                Toast.makeText(
3651                                requireActivity(),
3652                                R.string.security_violation_not_attaching_file,
3653                                Toast.LENGTH_SHORT)
3654                        .show();
3655            }
3656        }
3657        return uris;
3658    }
3659
3660    private boolean showBlockSubmenu(View view) {
3661        final Jid jid = conversation.getJid();
3662        final int mode = conversation.getMode();
3663        final var contact = mode == Conversation.MODE_SINGLE ? conversation.getContact() : null;
3664        final boolean showReject = contact.getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST);
3665        PopupMenu popupMenu = new PopupMenu(getActivity(), view);
3666        popupMenu.inflate(R.menu.block);
3667        popupMenu.getMenu().findItem(R.id.block_contact).setVisible(jid.getLocal() != null);
3668        popupMenu.getMenu().findItem(R.id.reject).setVisible(showReject);
3669        popupMenu.getMenu().findItem(R.id.add_contact).setVisible(!contact.showInRoster());
3670        popupMenu.setOnMenuItemClickListener(
3671                menuItem -> {
3672                    Blockable blockable;
3673                    switch (menuItem.getItemId()) {
3674                        case R.id.reject:
3675                            activity.xmppConnectionService.stopPresenceUpdatesTo(
3676                                    conversation.getContact());
3677                            updateSnackBar(conversation);
3678                            return true;
3679                        case R.id.add_contact:
3680                            mAddBackClickListener.onClick(view);
3681                            return true;
3682                        case R.id.block_domain:
3683                            blockable =
3684                                    conversation
3685                                            .getAccount()
3686                                            .getRoster()
3687                                            .getContact(jid.getDomain());
3688                            break;
3689                        default:
3690                            blockable = conversation;
3691                    }
3692                    BlockContactDialog.show(activity, blockable);
3693                    return true;
3694                });
3695        popupMenu.show();
3696        return true;
3697    }
3698
3699    private boolean showBlockMucSubmenu(View view) {
3700        final var jid = conversation.getJid();
3701        final var popupMenu = new PopupMenu(getActivity(), view);
3702        popupMenu.inflate(R.menu.block_muc);
3703        popupMenu.getMenu().findItem(R.id.block_contact).setVisible(jid.getLocal() != null);
3704        popupMenu.setOnMenuItemClickListener(
3705                menuItem -> {
3706                    Blockable blockable;
3707                    switch (menuItem.getItemId()) {
3708                        case R.id.reject:
3709                            activity.xmppConnectionService.clearConversationHistory(conversation);
3710                            activity.xmppConnectionService.archiveConversation(conversation);
3711                            return true;
3712                        case R.id.add_bookmark:
3713                            activity.xmppConnectionService.saveConversationAsBookmark(conversation, "");
3714                            updateSnackBar(conversation);
3715                            return true;
3716                        case R.id.block_contact:
3717                            blockable =
3718                                    conversation
3719                                            .getAccount()
3720                                            .getRoster()
3721                                            .getContact(Jid.of(conversation.getAttribute("inviter")));
3722                            break;
3723                        default:
3724                            blockable = conversation;
3725                    }
3726                    BlockContactDialog.show(activity, blockable);
3727                    activity.xmppConnectionService.archiveConversation(conversation);
3728                    return true;
3729                });
3730        popupMenu.show();
3731        return true;
3732    }
3733
3734    private void updateSnackBar(final Conversation conversation) {
3735        final Account account = conversation.getAccount();
3736        final XmppConnection connection = account.getXmppConnection();
3737        final int mode = conversation.getMode();
3738        final Contact contact = mode == Conversation.MODE_SINGLE ? conversation.getContact() : null;
3739        if (conversation.getStatus() == Conversation.STATUS_ARCHIVED) {
3740            return;
3741        }
3742        if (account.getStatus() == Account.State.DISABLED) {
3743            showSnackbar(
3744                    R.string.this_account_is_disabled,
3745                    R.string.enable,
3746                    this.mEnableAccountListener);
3747        } else if (account.getStatus() == Account.State.LOGGED_OUT) {
3748            showSnackbar(R.string.this_account_is_logged_out,R.string.log_in,this.mEnableAccountListener);
3749        } else if (conversation.isBlocked()) {
3750            showSnackbar(R.string.contact_blocked, R.string.unblock, this.mUnblockClickListener);
3751        } else if (contact != null
3752                && !contact.showInRoster()
3753                && contact.getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)) {
3754            showSnackbar(
3755                    R.string.contact_added_you,
3756                    R.string.options,
3757                    this.mBlockClickListener,
3758                    this.mLongPressBlockListener);
3759        } else if (contact != null
3760                && contact.getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)) {
3761            showSnackbar(
3762                    R.string.contact_asks_for_presence_subscription,
3763                    R.string.allow,
3764                    this.mAllowPresenceSubscription,
3765                    this.mLongPressBlockListener);
3766        } else if (mode == Conversation.MODE_MULTI
3767                && !conversation.getMucOptions().online()
3768                && account.getStatus() == Account.State.ONLINE) {
3769            switch (conversation.getMucOptions().getError()) {
3770                case NICK_IN_USE:
3771                    showSnackbar(R.string.nick_in_use, R.string.edit, clickToMuc);
3772                    break;
3773                case NO_RESPONSE:
3774                    showSnackbar(R.string.joining_conference, 0, null);
3775                    break;
3776                case SERVER_NOT_FOUND:
3777                    if (conversation.receivedMessagesCount() > 0) {
3778                        showSnackbar(R.string.remote_server_not_found, R.string.try_again, joinMuc);
3779                    } else {
3780                        showSnackbar(R.string.remote_server_not_found, R.string.leave, leaveMuc);
3781                    }
3782                    break;
3783                case REMOTE_SERVER_TIMEOUT:
3784                    if (conversation.receivedMessagesCount() > 0) {
3785                        showSnackbar(R.string.remote_server_timeout, R.string.try_again, joinMuc);
3786                    } else {
3787                        showSnackbar(R.string.remote_server_timeout, R.string.leave, leaveMuc);
3788                    }
3789                    break;
3790                case PASSWORD_REQUIRED:
3791                    showSnackbar(
3792                            R.string.conference_requires_password,
3793                            R.string.enter_password,
3794                            enterPassword);
3795                    break;
3796                case BANNED:
3797                    showSnackbar(R.string.conference_banned, R.string.leave, leaveMuc);
3798                    break;
3799                case MEMBERS_ONLY:
3800                    showSnackbar(R.string.conference_members_only, R.string.leave, leaveMuc);
3801                    break;
3802                case RESOURCE_CONSTRAINT:
3803                    showSnackbar(
3804                            R.string.conference_resource_constraint, R.string.try_again, joinMuc);
3805                    break;
3806                case KICKED:
3807                    showSnackbar(R.string.conference_kicked, R.string.join, joinMuc);
3808                    break;
3809                case TECHNICAL_PROBLEMS:
3810                    showSnackbar(R.string.conference_technical_problems, R.string.try_again, joinMuc);
3811                    break;
3812                case UNKNOWN:
3813                    showSnackbar(R.string.conference_unknown_error, R.string.try_again, joinMuc);
3814                    break;
3815                case INVALID_NICK:
3816                    showSnackbar(R.string.invalid_muc_nick, R.string.edit, clickToMuc);
3817                case SHUTDOWN:
3818                    showSnackbar(R.string.conference_shutdown, R.string.try_again, joinMuc);
3819                    break;
3820                case DESTROYED:
3821                    showSnackbar(R.string.conference_destroyed, R.string.leave, leaveMuc);
3822                    break;
3823                case NON_ANONYMOUS:
3824                    showSnackbar(
3825                            R.string.group_chat_will_make_your_jabber_id_public,
3826                            R.string.join,
3827                            acceptJoin);
3828                    break;
3829                default:
3830                    hideSnackbar();
3831                    break;
3832            }
3833        } else if (account.hasPendingPgpIntent(conversation)) {
3834            showSnackbar(R.string.openpgp_messages_found, R.string.decrypt, clickToDecryptListener);
3835        } else if (connection != null
3836                && connection.getFeatures().blocking()
3837                && conversation.strangerInvited()) {
3838            showSnackbar(
3839                    R.string.received_invite_from_stranger,
3840                    R.string.options,
3841                    (v) -> showBlockMucSubmenu(v),
3842                    (v) -> showBlockMucSubmenu(v));
3843        } else if (connection != null
3844                && connection.getFeatures().blocking()
3845                && conversation.countMessages() != 0
3846                && !conversation.isBlocked()
3847                && conversation.isWithStranger()) {
3848            showSnackbar(
3849                    R.string.received_message_from_stranger,
3850                    R.string.options,
3851                    this.mBlockClickListener,
3852                    this.mLongPressBlockListener);
3853        } else {
3854            hideSnackbar();
3855        }
3856    }
3857
3858    @Override
3859    public void refresh() {
3860        if (this.binding == null) {
3861            Log.d(
3862                    Config.LOGTAG,
3863                    "ConversationFragment.refresh() skipped updated because view binding was null");
3864            return;
3865        }
3866        if (this.conversation != null
3867                && this.activity != null
3868                && this.activity.xmppConnectionService != null) {
3869            if (!activity.xmppConnectionService.isConversationStillOpen(this.conversation)) {
3870                activity.onConversationArchived(this.conversation);
3871                return;
3872            }
3873        }
3874        this.refresh(true);
3875    }
3876
3877    private void refresh(boolean notifyConversationRead) {
3878        synchronized (this.messageList) {
3879            if (this.conversation != null) {
3880                if (messageListAdapter.hasSelection()) {
3881                    if (notifyConversationRead) binding.messagesView.postDelayed(this::refresh, 1000L);
3882                } else {
3883                    conversation.populateWithMessages(this.messageList, activity == null ? null : activity.xmppConnectionService);
3884                    updateStatusMessages();
3885                    this.messageListAdapter.notifyDataSetChanged();
3886                }
3887                if (conversation.getReceivedMessagesCountSinceUuid(lastMessageUuid) != 0) {
3888                    binding.unreadCountCustomView.setVisibility(View.VISIBLE);
3889                    binding.unreadCountCustomView.setUnreadCount(
3890                            conversation.getReceivedMessagesCountSinceUuid(lastMessageUuid));
3891                }
3892                updateSnackBar(conversation);
3893                if (activity != null) updateChatMsgHint();
3894                if (notifyConversationRead && activity != null) {
3895                    binding.messagesView.post(this::fireReadEvent);
3896                }
3897                updateSendButton();
3898                updateEditablity();
3899                conversation.refreshSessions();
3900            }
3901        }
3902    }
3903
3904    protected void messageSent() {
3905        binding.textinputSubject.setText("");
3906        binding.textinputSubject.setVisibility(View.GONE);
3907        setThread(null);
3908        conversation.setUserSelectedThread(false);
3909        mSendingPgpMessage.set(false);
3910        this.binding.textinput.setText("");
3911        if (conversation.setCorrectingMessage(null)) {
3912            this.binding.textinput.append(conversation.getDraftMessage());
3913            conversation.setDraftMessage(null);
3914        }
3915        storeNextMessage();
3916        updateChatMsgHint();
3917        SharedPreferences p = PreferenceManager.getDefaultSharedPreferences(activity);
3918        final boolean prefScrollToBottom =
3919                p.getBoolean(
3920                        "scroll_to_bottom",
3921                        activity.getResources().getBoolean(R.bool.scroll_to_bottom));
3922        if (prefScrollToBottom || scrolledToBottom()) {
3923            new Handler()
3924                    .post(
3925                            () -> {
3926                                int size = messageList.size();
3927                                this.binding.messagesView.setSelection(size - 1);
3928                            });
3929        }
3930    }
3931
3932    private boolean storeNextMessage() {
3933        return storeNextMessage(this.binding.textinput.getText().toString());
3934    }
3935
3936    private boolean storeNextMessage(String msg) {
3937        final boolean participating =
3938                conversation.getMode() == Conversational.MODE_SINGLE
3939                        || conversation.getMucOptions().participating();
3940        if (this.conversation.getStatus() != Conversation.STATUS_ARCHIVED
3941                && participating
3942                && this.conversation.setNextMessage(msg) && activity != null) {
3943            activity.xmppConnectionService.updateConversation(this.conversation);
3944            return true;
3945        }
3946        return false;
3947    }
3948
3949    public void doneSendingPgpMessage() {
3950        mSendingPgpMessage.set(false);
3951    }
3952
3953    public long getMaxHttpUploadSize(Conversation conversation) {
3954        final XmppConnection connection = conversation.getAccount().getXmppConnection();
3955        return connection == null ? -1 : connection.getFeatures().getMaxHttpUploadSize();
3956    }
3957
3958    private boolean canWrite() {
3959        return
3960                this.conversation.getMode() == Conversation.MODE_SINGLE
3961                        || this.conversation.getMucOptions().participating()
3962                        || this.conversation.getNextCounterpart() != null;
3963    }
3964
3965    private void updateEditablity() {
3966        boolean canWrite = canWrite();
3967        this.binding.textinput.setFocusable(canWrite);
3968        this.binding.textinput.setFocusableInTouchMode(canWrite);
3969        this.binding.textSendButton.setEnabled(canWrite);
3970        this.binding.textSendButton.setVisibility(canWrite ? View.VISIBLE : View.GONE);
3971        this.binding.requestVoice.setVisibility(canWrite ? View.GONE : View.VISIBLE);
3972        this.binding.textinput.setCursorVisible(canWrite);
3973        this.binding.textinput.setEnabled(canWrite);
3974    }
3975
3976    public void updateSendButton() {
3977        boolean hasAttachments =
3978                mediaPreviewAdapter != null && mediaPreviewAdapter.hasAttachments();
3979        final Conversation c = this.conversation;
3980        final Presence.Status status;
3981        final String text =
3982                this.binding.textinput == null ? "" : this.binding.textinput.getText().toString();
3983        final SendButtonAction action;
3984        if (hasAttachments) {
3985            action = SendButtonAction.TEXT;
3986        } else {
3987            action = SendButtonTool.getAction(getActivity(), c, text, binding.textinputSubject.getText().toString());
3988        }
3989        if (c.getAccount().getStatus() == Account.State.ONLINE) {
3990            if (activity != null
3991                    && activity.xmppConnectionService != null
3992                    && activity.xmppConnectionService.getMessageArchiveService().isCatchingUp(c)) {
3993                status = Presence.Status.OFFLINE;
3994            } else if (c.getMode() == Conversation.MODE_SINGLE) {
3995                status = c.getContact().getShownStatus();
3996            } else {
3997                status =
3998                        c.getMucOptions().online()
3999                                ? Presence.Status.ONLINE
4000                                : Presence.Status.OFFLINE;
4001            }
4002        } else {
4003            status = Presence.Status.OFFLINE;
4004        }
4005        this.binding.textSendButton.setTag(action);
4006        this.binding.textSendButton.setIconTint(ColorStateList.valueOf(SendButtonTool.getSendButtonColor(this.binding.textSendButton, status)));
4007        // TODO send button color
4008        final Activity activity = getActivity();
4009        if (activity != null) {
4010            this.binding.textSendButton.setIconResource(
4011                    SendButtonTool.getSendButtonImageResource(action, text.length() > 0 || hasAttachments || (c.getThread() != null && binding.textinputSubject.getText().length() > 0)));
4012        }
4013
4014        ViewGroup.LayoutParams params = binding.threadIdenticonLayout.getLayoutParams();
4015        if (identiconWidth < 0) identiconWidth = params.width;
4016        if (hasAttachments || binding.textinput.getText().toString().replaceFirst("^(\\w|[, ])+:\\s*", "").length() > 0) {
4017            binding.conversationViewPager.setCurrentItem(0);
4018            params.width = conversation.getThread() == null ? 0 : identiconWidth;
4019        } else {
4020            params.width = identiconWidth;
4021        }
4022        if (!canWrite()) params.width = 0;
4023        binding.threadIdenticonLayout.setLayoutParams(params);
4024    }
4025
4026    protected void updateStatusMessages() {
4027        DateSeparator.addAll(this.messageList);
4028        if (showLoadMoreMessages(conversation)) {
4029            this.messageList.add(0, Message.createLoadMoreMessage(conversation));
4030        }
4031        if (conversation.getMode() == Conversation.MODE_SINGLE) {
4032            ChatState state = conversation.getIncomingChatState();
4033            if (state == ChatState.COMPOSING) {
4034                this.messageList.add(
4035                        Message.createStatusMessage(
4036                                conversation,
4037                                getString(R.string.contact_is_typing, conversation.getName())));
4038            } else if (state == ChatState.PAUSED) {
4039                this.messageList.add(
4040                        Message.createStatusMessage(
4041                                conversation,
4042                                getString(
4043                                        R.string.contact_has_stopped_typing,
4044                                        conversation.getName())));
4045            } else {
4046                for (int i = this.messageList.size() - 1; i >= 0; --i) {
4047                    final Message message = this.messageList.get(i);
4048                    if (message.getType() != Message.TYPE_STATUS) {
4049                        if (message.getStatus() == Message.STATUS_RECEIVED) {
4050                            return;
4051                        } else {
4052                            if (message.getStatus() == Message.STATUS_SEND_DISPLAYED) {
4053                                this.messageList.add(
4054                                        i + 1,
4055                                        Message.createStatusMessage(
4056                                                conversation,
4057                                                getString(
4058                                                        R.string.contact_has_read_up_to_this_point,
4059                                                        conversation.getName())));
4060                                return;
4061                            }
4062                        }
4063                    }
4064                }
4065            }
4066        } else {
4067            final MucOptions mucOptions = conversation.getMucOptions();
4068            final List<MucOptions.User> allUsers = mucOptions.getUsers();
4069            final Set<ReadByMarker> addedMarkers = new HashSet<>();
4070            ChatState state = ChatState.COMPOSING;
4071            List<MucOptions.User> users =
4072                    conversation.getMucOptions().getUsersWithChatState(state, 5);
4073            if (users.size() == 0) {
4074                state = ChatState.PAUSED;
4075                users = conversation.getMucOptions().getUsersWithChatState(state, 5);
4076            }
4077            if (mucOptions.isPrivateAndNonAnonymous()) {
4078                for (int i = this.messageList.size() - 1; i >= 0; --i) {
4079                    final Set<ReadByMarker> markersForMessage =
4080                            messageList.get(i).getReadByMarkers();
4081                    final List<MucOptions.User> shownMarkers = new ArrayList<>();
4082                    for (ReadByMarker marker : markersForMessage) {
4083                        if (!ReadByMarker.contains(marker, addedMarkers)) {
4084                            addedMarkers.add(
4085                                    marker); // may be put outside this condition. set should do
4086                                             // dedup anyway
4087                            MucOptions.User user = mucOptions.findUser(marker);
4088                            if (user != null && !users.contains(user)) {
4089                                shownMarkers.add(user);
4090                            }
4091                        }
4092                    }
4093                    final ReadByMarker markerForSender = ReadByMarker.from(messageList.get(i));
4094                    final Message statusMessage;
4095                    final int size = shownMarkers.size();
4096                    if (size > 1) {
4097                        final String body;
4098                        if (size <= 4) {
4099                            body =
4100                                    getString(
4101                                            R.string.contacts_have_read_up_to_this_point,
4102                                            UIHelper.concatNames(shownMarkers));
4103                        } else if (ReadByMarker.allUsersRepresented(
4104                                allUsers, markersForMessage, markerForSender)) {
4105                            body = getString(R.string.everyone_has_read_up_to_this_point);
4106                        } else {
4107                            body =
4108                                    getString(
4109                                            R.string.contacts_and_n_more_have_read_up_to_this_point,
4110                                            UIHelper.concatNames(shownMarkers, 3),
4111                                            size - 3);
4112                        }
4113                        statusMessage = Message.createStatusMessage(conversation, body);
4114                        statusMessage.setCounterparts(shownMarkers);
4115                    } else if (size == 1) {
4116                        statusMessage =
4117                                Message.createStatusMessage(
4118                                        conversation,
4119                                        getString(
4120                                                R.string.contact_has_read_up_to_this_point,
4121                                                UIHelper.getDisplayName(shownMarkers.get(0))));
4122                        statusMessage.setCounterpart(shownMarkers.get(0).getFullJid());
4123                        statusMessage.setTrueCounterpart(shownMarkers.get(0).getRealJid());
4124                    } else {
4125                        statusMessage = null;
4126                    }
4127                    if (statusMessage != null) {
4128                        this.messageList.add(i + 1, statusMessage);
4129                    }
4130                    addedMarkers.add(markerForSender);
4131                    if (ReadByMarker.allUsersRepresented(allUsers, addedMarkers)) {
4132                        break;
4133                    }
4134                }
4135            }
4136            if (users.size() > 0) {
4137                Message statusMessage;
4138                if (users.size() == 1) {
4139                    MucOptions.User user = users.get(0);
4140                    int id =
4141                            state == ChatState.COMPOSING
4142                                    ? R.string.contact_is_typing
4143                                    : R.string.contact_has_stopped_typing;
4144                    statusMessage =
4145                            Message.createStatusMessage(
4146                                    conversation, getString(id, UIHelper.getDisplayName(user)));
4147                    statusMessage.setTrueCounterpart(user.getRealJid());
4148                    statusMessage.setCounterpart(user.getFullJid());
4149                } else {
4150                    int id =
4151                            state == ChatState.COMPOSING
4152                                    ? R.string.contacts_are_typing
4153                                    : R.string.contacts_have_stopped_typing;
4154                    statusMessage =
4155                            Message.createStatusMessage(
4156                                    conversation, getString(id, UIHelper.concatNames(users)));
4157                    statusMessage.setCounterparts(users);
4158                }
4159                this.messageList.add(statusMessage);
4160            }
4161        }
4162    }
4163
4164    private void stopScrolling() {
4165        long now = SystemClock.uptimeMillis();
4166        MotionEvent cancel = MotionEvent.obtain(now, now, MotionEvent.ACTION_CANCEL, 0, 0, 0);
4167        binding.messagesView.dispatchTouchEvent(cancel);
4168    }
4169
4170    private boolean showLoadMoreMessages(final Conversation c) {
4171        if (activity == null || activity.xmppConnectionService == null) {
4172            return false;
4173        }
4174        final boolean mam = hasMamSupport(c) && !c.getContact().isBlocked();
4175        final MessageArchiveService service =
4176                activity.xmppConnectionService.getMessageArchiveService();
4177        return mam
4178                && (c.getLastClearHistory().getTimestamp() != 0
4179                        || (c.countMessages() == 0
4180                                && c.messagesLoaded.get()
4181                                && c.hasMessagesLeftOnServer()
4182                                && !service.queryInProgress(c)));
4183    }
4184
4185    private boolean hasMamSupport(final Conversation c) {
4186        if (c.getMode() == Conversation.MODE_SINGLE) {
4187            final XmppConnection connection = c.getAccount().getXmppConnection();
4188            return connection != null && connection.getFeatures().mam();
4189        } else {
4190            return c.getMucOptions().mamSupport();
4191        }
4192    }
4193
4194    protected void showSnackbar(
4195            final int message, final int action, final OnClickListener clickListener) {
4196        showSnackbar(message, action, clickListener, null);
4197    }
4198
4199    protected void showSnackbar(
4200            final int message,
4201            final int action,
4202            final OnClickListener clickListener,
4203            final View.OnLongClickListener longClickListener) {
4204        this.binding.snackbar.setVisibility(View.VISIBLE);
4205        this.binding.snackbar.setOnClickListener(null);
4206        this.binding.snackbarMessage.setText(message);
4207        this.binding.snackbarMessage.setOnClickListener(null);
4208        this.binding.snackbarAction.setVisibility(clickListener == null ? View.GONE : View.VISIBLE);
4209        if (action != 0) {
4210            this.binding.snackbarAction.setText(action);
4211        }
4212        this.binding.snackbarAction.setOnClickListener(clickListener);
4213        this.binding.snackbarAction.setOnLongClickListener(longClickListener);
4214    }
4215
4216    protected void hideSnackbar() {
4217        this.binding.snackbar.setVisibility(View.GONE);
4218    }
4219
4220    protected void sendMessage(Message message) {
4221        new Thread(() -> activity.xmppConnectionService.sendMessage(message)).start();
4222        messageSent();
4223    }
4224
4225    protected void sendPgpMessage(final Message message) {
4226        final XmppConnectionService xmppService = activity.xmppConnectionService;
4227        final Contact contact = message.getConversation().getContact();
4228        if (!activity.hasPgp()) {
4229            activity.showInstallPgpDialog();
4230            return;
4231        }
4232        if (conversation.getAccount().getPgpSignature() == null) {
4233            activity.announcePgp(
4234                    conversation.getAccount(), conversation, null, activity.onOpenPGPKeyPublished);
4235            return;
4236        }
4237        if (!mSendingPgpMessage.compareAndSet(false, true)) {
4238            Log.d(Config.LOGTAG, "sending pgp message already in progress");
4239        }
4240        if (conversation.getMode() == Conversation.MODE_SINGLE) {
4241            if (contact.getPgpKeyId() != 0) {
4242                xmppService
4243                        .getPgpEngine()
4244                        .hasKey(
4245                                contact,
4246                                new UiCallback<Contact>() {
4247
4248                                    @Override
4249                                    public void userInputRequired(
4250                                            PendingIntent pi, Contact contact) {
4251                                        startPendingIntent(pi, REQUEST_ENCRYPT_MESSAGE);
4252                                    }
4253
4254                                    @Override
4255                                    public void success(Contact contact) {
4256                                        encryptTextMessage(message);
4257                                    }
4258
4259                                    @Override
4260                                    public void error(int error, Contact contact) {
4261                                        activity.runOnUiThread(
4262                                                () ->
4263                                                        Toast.makeText(
4264                                                                        activity,
4265                                                                        R.string
4266                                                                                .unable_to_connect_to_keychain,
4267                                                                        Toast.LENGTH_SHORT)
4268                                                                .show());
4269                                        mSendingPgpMessage.set(false);
4270                                    }
4271                                });
4272
4273            } else {
4274                showNoPGPKeyDialog(
4275                        false,
4276                        (dialog, which) -> {
4277                            conversation.setNextEncryption(Message.ENCRYPTION_NONE);
4278                            xmppService.updateConversation(conversation);
4279                            message.setEncryption(Message.ENCRYPTION_NONE);
4280                            xmppService.sendMessage(message);
4281                            messageSent();
4282                        });
4283            }
4284        } else {
4285            if (conversation.getMucOptions().pgpKeysInUse()) {
4286                if (!conversation.getMucOptions().everybodyHasKeys()) {
4287                    Toast warning =
4288                            Toast.makeText(
4289                                    getActivity(), R.string.missing_public_keys, Toast.LENGTH_LONG);
4290                    warning.setGravity(Gravity.CENTER_VERTICAL, 0, 0);
4291                    warning.show();
4292                }
4293                encryptTextMessage(message);
4294            } else {
4295                showNoPGPKeyDialog(
4296                        true,
4297                        (dialog, which) -> {
4298                            conversation.setNextEncryption(Message.ENCRYPTION_NONE);
4299                            message.setEncryption(Message.ENCRYPTION_NONE);
4300                            xmppService.updateConversation(conversation);
4301                            xmppService.sendMessage(message);
4302                            messageSent();
4303                        });
4304            }
4305        }
4306    }
4307
4308    public void encryptTextMessage(Message message) {
4309        activity.xmppConnectionService
4310                .getPgpEngine()
4311                .encrypt(
4312                        message,
4313                        new UiCallback<Message>() {
4314
4315                            @Override
4316                            public void userInputRequired(PendingIntent pi, Message message) {
4317                                startPendingIntent(pi, REQUEST_SEND_MESSAGE);
4318                            }
4319
4320                            @Override
4321                            public void success(Message message) {
4322                                // TODO the following two call can be made before the callback
4323                                getActivity().runOnUiThread(() -> messageSent());
4324                            }
4325
4326                            @Override
4327                            public void error(final int error, Message message) {
4328                                getActivity()
4329                                        .runOnUiThread(
4330                                                () -> {
4331                                                    doneSendingPgpMessage();
4332                                                    Toast.makeText(
4333                                                                    getActivity(),
4334                                                                    error == 0
4335                                                                            ? R.string
4336                                                                                    .unable_to_connect_to_keychain
4337                                                                            : error,
4338                                                                    Toast.LENGTH_SHORT)
4339                                                            .show();
4340                                                });
4341                            }
4342                        });
4343    }
4344
4345    public void showNoPGPKeyDialog(final boolean plural, final DialogInterface.OnClickListener listener) {
4346        final MaterialAlertDialogBuilder builder = new MaterialAlertDialogBuilder(requireActivity());
4347        if (plural) {
4348            builder.setTitle(getString(R.string.no_pgp_keys));
4349            builder.setMessage(getText(R.string.contacts_have_no_pgp_keys));
4350        } else {
4351            builder.setTitle(getString(R.string.no_pgp_key));
4352            builder.setMessage(getText(R.string.contact_has_no_pgp_key));
4353        }
4354        builder.setNegativeButton(getString(R.string.cancel), null);
4355        builder.setPositiveButton(getString(R.string.send_unencrypted), listener);
4356        builder.create().show();
4357    }
4358
4359    public void appendText(String text, final boolean doNotAppend) {
4360        if (text == null) {
4361            return;
4362        }
4363        final Editable editable = this.binding.textinput.getText();
4364        String previous = editable == null ? "" : editable.toString();
4365        if (doNotAppend && !TextUtils.isEmpty(previous)) {
4366            Toast.makeText(getActivity(), R.string.already_drafting_message, Toast.LENGTH_LONG)
4367                    .show();
4368            return;
4369        }
4370        if (UIHelper.isLastLineQuote(previous)) {
4371            text = '\n' + text;
4372        } else if (previous.length() != 0
4373                && !Character.isWhitespace(previous.charAt(previous.length() - 1))) {
4374            text = " " + text;
4375        }
4376        this.binding.textinput.append(text);
4377    }
4378
4379    @Override
4380    public boolean onEnterPressed(final boolean isCtrlPressed) {
4381        if (isCtrlPressed || enterIsSend()) {
4382            sendMessage();
4383            return true;
4384        }
4385        return false;
4386    }
4387
4388    private boolean enterIsSend() {
4389        final SharedPreferences p = PreferenceManager.getDefaultSharedPreferences(getActivity());
4390        return p.getBoolean("enter_is_send", getResources().getBoolean(R.bool.enter_is_send));
4391    }
4392
4393    public boolean onArrowUpCtrlPressed() {
4394        final Message lastEditableMessage =
4395                conversation == null ? null : conversation.getLastEditableMessage();
4396        if (lastEditableMessage != null) {
4397            correctMessage(lastEditableMessage);
4398            return true;
4399        } else {
4400            Toast.makeText(getActivity(), R.string.could_not_correct_message, Toast.LENGTH_LONG)
4401                    .show();
4402            return false;
4403        }
4404    }
4405
4406    @Override
4407    public void onTypingStarted() {
4408        final XmppConnectionService service =
4409                activity == null ? null : activity.xmppConnectionService;
4410        if (service == null) {
4411            return;
4412        }
4413        final Account.State status = conversation.getAccount().getStatus();
4414        if (status == Account.State.ONLINE
4415                && conversation.setOutgoingChatState(ChatState.COMPOSING)) {
4416            service.sendChatState(conversation);
4417        }
4418        runOnUiThread(this::updateSendButton);
4419    }
4420
4421    @Override
4422    public void onTypingStopped() {
4423        final XmppConnectionService service =
4424                activity == null ? null : activity.xmppConnectionService;
4425        if (service == null) {
4426            return;
4427        }
4428        final Account.State status = conversation.getAccount().getStatus();
4429        if (status == Account.State.ONLINE && conversation.setOutgoingChatState(ChatState.PAUSED)) {
4430            service.sendChatState(conversation);
4431        }
4432    }
4433
4434    @Override
4435    public void onTextDeleted() {
4436        final XmppConnectionService service =
4437                activity == null ? null : activity.xmppConnectionService;
4438        if (service == null) {
4439            return;
4440        }
4441        final Account.State status = conversation.getAccount().getStatus();
4442        if (status == Account.State.ONLINE
4443                && conversation.setOutgoingChatState(Config.DEFAULT_CHAT_STATE)) {
4444            service.sendChatState(conversation);
4445        }
4446        if (storeNextMessage()) {
4447            runOnUiThread(
4448                    () -> {
4449                        if (activity == null) {
4450                            return;
4451                        }
4452                        activity.onConversationsListItemUpdated();
4453                    });
4454        }
4455        runOnUiThread(this::updateSendButton);
4456    }
4457
4458    @Override
4459    public void onTextChanged() {
4460        if (conversation != null && conversation.getCorrectingMessage() != null) {
4461            runOnUiThread(this::updateSendButton);
4462        }
4463    }
4464
4465    @Override
4466    public boolean onTabPressed(boolean repeated) {
4467        if (conversation == null || conversation.getMode() == Conversation.MODE_SINGLE) {
4468            return false;
4469        }
4470        if (repeated) {
4471            completionIndex++;
4472        } else {
4473            lastCompletionLength = 0;
4474            completionIndex = 0;
4475            final String content = this.binding.textinput.getText().toString();
4476            lastCompletionCursor = this.binding.textinput.getSelectionEnd();
4477            int start =
4478                    lastCompletionCursor > 0
4479                            ? content.lastIndexOf(" ", lastCompletionCursor - 1) + 1
4480                            : 0;
4481            firstWord = start == 0;
4482            incomplete = content.substring(start, lastCompletionCursor);
4483        }
4484        List<String> completions = new ArrayList<>();
4485        for (MucOptions.User user : conversation.getMucOptions().getUsers()) {
4486            String name = user.getNick();
4487            if (name != null && name.startsWith(incomplete)) {
4488                completions.add(name + (firstWord ? ": " : " "));
4489            }
4490        }
4491        Collections.sort(completions);
4492        if (completions.size() > completionIndex) {
4493            String completion = completions.get(completionIndex).substring(incomplete.length());
4494            this.binding
4495                    .textinput
4496                    .getEditableText()
4497                    .delete(lastCompletionCursor, lastCompletionCursor + lastCompletionLength);
4498            this.binding.textinput.getEditableText().insert(lastCompletionCursor, completion);
4499            lastCompletionLength = completion.length();
4500        } else {
4501            completionIndex = -1;
4502            this.binding
4503                    .textinput
4504                    .getEditableText()
4505                    .delete(lastCompletionCursor, lastCompletionCursor + lastCompletionLength);
4506            lastCompletionLength = 0;
4507        }
4508        return true;
4509    }
4510
4511    private void startPendingIntent(PendingIntent pendingIntent, int requestCode) {
4512        try {
4513            getActivity()
4514                    .startIntentSenderForResult(
4515                            pendingIntent.getIntentSender(), requestCode, null, 0, 0, 0, Compatibility.pgpStartIntentSenderOptions());
4516        } catch (final SendIntentException ignored) {
4517        }
4518    }
4519
4520    @Override
4521    public void onBackendConnected() {
4522        Log.d(Config.LOGTAG, "ConversationFragment.onBackendConnected()");
4523        setupEmojiSearch();
4524        String uuid = pendingConversationsUuid.pop();
4525        if (uuid != null) {
4526            if (!findAndReInitByUuidOrArchive(uuid)) {
4527                return;
4528            }
4529        } else {
4530            if (!activity.xmppConnectionService.isConversationStillOpen(conversation)) {
4531                clearPending();
4532                activity.onConversationArchived(conversation);
4533                return;
4534            }
4535        }
4536        ActivityResult activityResult = postponedActivityResult.pop();
4537        if (activityResult != null) {
4538            handleActivityResult(activityResult);
4539        }
4540        clearPending();
4541    }
4542
4543    private boolean findAndReInitByUuidOrArchive(@NonNull final String uuid) {
4544        Conversation conversation = activity.xmppConnectionService.findConversationByUuid(uuid);
4545        if (conversation == null) {
4546            clearPending();
4547            activity.onConversationArchived(null);
4548            return false;
4549        }
4550        reInit(conversation);
4551        ScrollState scrollState = pendingScrollState.pop();
4552        String lastMessageUuid = pendingLastMessageUuid.pop();
4553        List<Attachment> attachments = pendingMediaPreviews.pop();
4554        if (scrollState != null) {
4555            setScrollPosition(scrollState, lastMessageUuid);
4556        }
4557        if (attachments != null && attachments.size() > 0) {
4558            Log.d(Config.LOGTAG, "had attachments on restore");
4559            mediaPreviewAdapter.addMediaPreviews(attachments);
4560            toggleInputMethod();
4561        }
4562        return true;
4563    }
4564
4565    private void clearPending() {
4566        if (postponedActivityResult.clear()) {
4567            Log.e(Config.LOGTAG, "cleared pending intent with unhandled result left");
4568            if (pendingTakePhotoUri.clear()) {
4569                Log.e(Config.LOGTAG, "cleared pending photo uri");
4570            }
4571        }
4572        if (pendingScrollState.clear()) {
4573            Log.e(Config.LOGTAG, "cleared scroll state");
4574        }
4575        if (pendingConversationsUuid.clear()) {
4576            Log.e(Config.LOGTAG, "cleared pending conversations uuid");
4577        }
4578        if (pendingMediaPreviews.clear()) {
4579            Log.e(Config.LOGTAG, "cleared pending media previews");
4580        }
4581    }
4582
4583    public Conversation getConversation() {
4584        return conversation;
4585    }
4586
4587    @Override
4588    public void onContactPictureLongClicked(View v, final Message message) {
4589        final String fingerprint;
4590        if (message.getEncryption() == Message.ENCRYPTION_PGP
4591                || message.getEncryption() == Message.ENCRYPTION_DECRYPTED) {
4592            fingerprint = "pgp";
4593        } else {
4594            fingerprint = message.getFingerprint();
4595        }
4596        final PopupMenu popupMenu = new PopupMenu(getActivity(), v);
4597        final Contact contact = message.getContact();
4598        if (message.getStatus() <= Message.STATUS_RECEIVED
4599                && (contact == null || !contact.isSelf())) {
4600            if (message.getConversation().getMode() == Conversation.MODE_MULTI) {
4601                final Jid cp = message.getCounterpart();
4602                if (cp == null || cp.isBareJid()) {
4603                    return;
4604                }
4605                final Jid tcp = message.getTrueCounterpart();
4606                final String occupantId = message.getOccupantId();
4607                final User userByRealJid =
4608                        tcp != null
4609                                ? conversation.getMucOptions().findOrCreateUserByRealJid(tcp, cp, occupantId)
4610                                : null;
4611                final User userByOccupantId =
4612                        occupantId != null
4613                                ? conversation.getMucOptions().findUserByOccupantId(occupantId, cp)
4614                                : null;
4615                final User user =
4616                        userByRealJid != null
4617                                ? userByRealJid
4618                                : (userByOccupantId != null ? userByOccupantId : conversation.getMucOptions().findUserByFullJid(cp));
4619                if (user == null) return;
4620                popupMenu.inflate(R.menu.muc_details_context);
4621                final Menu menu = popupMenu.getMenu();
4622                MucDetailsContextMenuHelper.configureMucDetailsContextMenu(
4623                        activity, menu, conversation, user);
4624                popupMenu.setOnMenuItemClickListener(
4625                        menuItem ->
4626                                MucDetailsContextMenuHelper.onContextItemSelected(
4627                                        menuItem, user, activity, fingerprint));
4628            } else {
4629                popupMenu.inflate(R.menu.one_on_one_context);
4630                popupMenu.setOnMenuItemClickListener(
4631                        item -> {
4632                            switch (item.getItemId()) {
4633                                case R.id.action_contact_details:
4634                                    activity.switchToContactDetails(
4635                                            message.getContact(), fingerprint);
4636                                    break;
4637                                case R.id.action_show_qr_code:
4638                                    activity.showQrCode(
4639                                            "xmpp:"
4640                                                    + message.getContact()
4641                                                            .getJid()
4642                                                            .asBareJid()
4643                                                            .toEscapedString());
4644                                    break;
4645                            }
4646                            return true;
4647                        });
4648            }
4649        } else {
4650            popupMenu.inflate(R.menu.account_context);
4651            final Menu menu = popupMenu.getMenu();
4652            menu.findItem(R.id.action_manage_accounts)
4653                    .setVisible(QuickConversationsService.isConversations());
4654            popupMenu.setOnMenuItemClickListener(
4655                    item -> {
4656                        final XmppActivity activity = this.activity;
4657                        if (activity == null) {
4658                            Log.e(Config.LOGTAG, "Unable to perform action. no context provided");
4659                            return true;
4660                        }
4661                        switch (item.getItemId()) {
4662                            case R.id.action_show_qr_code:
4663                                activity.showQrCode(conversation.getAccount().getShareableUri());
4664                                break;
4665                            case R.id.action_account_details:
4666                                activity.switchToAccount(
4667                                        message.getConversation().getAccount(), fingerprint);
4668                                break;
4669                            case R.id.action_manage_accounts:
4670                                AccountUtils.launchManageAccounts(activity);
4671                                break;
4672                        }
4673                        return true;
4674                    });
4675        }
4676        popupMenu.show();
4677    }
4678
4679    @Override
4680    public void onContactPictureClicked(Message message) {
4681        setThread(message.getThread());
4682        if (message.isPrivateMessage()) {
4683            privateMessageWith(message.getCounterpart());
4684            return;
4685        }
4686        forkNullThread(message);
4687        conversation.setUserSelectedThread(true);
4688
4689        final boolean received = message.getStatus() <= Message.STATUS_RECEIVED;
4690        if (received) {
4691            if (message.getConversation() instanceof Conversation
4692                    && message.getConversation().getMode() == Conversation.MODE_MULTI) {
4693                Jid tcp = message.getTrueCounterpart();
4694                Jid user = message.getCounterpart();
4695                if (user != null && !user.isBareJid()) {
4696                    final MucOptions mucOptions =
4697                            ((Conversation) message.getConversation()).getMucOptions();
4698                    if (mucOptions.participating()
4699                            || ((Conversation) message.getConversation()).getNextCounterpart()
4700                                    != null) {
4701                        MucOptions.User mucUser = mucOptions.findUserByFullJid(user);
4702                        MucOptions.User tcpMucUser = mucOptions.findUserByRealJid(tcp == null ? null : tcp.asBareJid());
4703                        if (mucUser == null && tcpMucUser == null) {
4704                            Toast.makeText(
4705                                            getActivity(),
4706                                            activity.getString(
4707                                                    R.string.user_has_left_conference,
4708                                                    user.getResource()),
4709                                            Toast.LENGTH_SHORT)
4710                                    .show();
4711                        }
4712                        highlightInConference(mucUser == null || mucUser.getNick() == null ? (tcpMucUser == null || tcpMucUser.getNick() == null ? user.getResource() : tcpMucUser.getNick()) : mucUser.getNick());
4713                    } else {
4714                        Toast.makeText(
4715                                        getActivity(),
4716                                        R.string.you_are_not_participating,
4717                                        Toast.LENGTH_SHORT)
4718                                .show();
4719                    }
4720                }
4721            }
4722        }
4723    }
4724
4725    private Activity requireActivity() {
4726        Activity activity = getActivity();
4727        if (activity == null) activity = this.activity;
4728        if (activity == null) {
4729            throw new IllegalStateException("Activity not attached");
4730        }
4731        return activity;
4732    }
4733}