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