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.icu.util.Calendar;
  29import android.icu.util.TimeZone;
  30import android.net.Uri;
  31import android.os.Build;
  32import android.os.Bundle;
  33import android.os.Environment;
  34import android.os.Handler;
  35import android.os.Looper;
  36import android.os.storage.StorageManager;
  37import android.os.SystemClock;
  38import android.preference.PreferenceManager;
  39import android.provider.MediaStore;
  40import android.text.Editable;
  41import android.text.SpannableStringBuilder;
  42import android.text.TextUtils;
  43import android.text.TextWatcher;
  44import android.text.style.ImageSpan;
  45import android.util.DisplayMetrics;
  46import android.util.Log;
  47import android.view.ContextMenu;
  48import android.view.ContextMenu.ContextMenuInfo;
  49import android.view.Gravity;
  50import android.view.LayoutInflater;
  51import android.view.Menu;
  52import android.view.MenuInflater;
  53import android.view.MenuItem;
  54import android.view.MotionEvent;
  55import android.view.View;
  56import android.view.View.OnClickListener;
  57import android.view.ViewGroup;
  58import android.view.inputmethod.EditorInfo;
  59import android.view.inputmethod.InputMethodManager;
  60import android.view.WindowManager;
  61import android.widget.AbsListView;
  62import android.widget.AbsListView.OnScrollListener;
  63import android.widget.AdapterView;
  64import android.widget.AdapterView.AdapterContextMenuInfo;
  65import android.widget.CheckBox;
  66import android.widget.ListView;
  67import android.widget.PopupMenu;
  68import android.widget.PopupWindow;
  69import android.widget.TextView.OnEditorActionListener;
  70import android.widget.Toast;
  71
  72import androidx.activity.OnBackPressedCallback;
  73import androidx.annotation.IdRes;
  74import androidx.annotation.NonNull;
  75import androidx.annotation.Nullable;
  76import androidx.annotation.StringRes;
  77import androidx.appcompat.app.AlertDialog;
  78import androidx.core.content.pm.ShortcutInfoCompat;
  79import androidx.core.content.pm.ShortcutManagerCompat;
  80import androidx.core.view.inputmethod.InputConnectionCompat;
  81import androidx.core.view.inputmethod.InputContentInfoCompat;
  82import androidx.databinding.DataBindingUtil;
  83import androidx.documentfile.provider.DocumentFile;
  84import androidx.viewpager.widget.PagerAdapter;
  85import androidx.viewpager.widget.ViewPager;
  86
  87import com.cheogram.android.BobTransfer;
  88import com.cheogram.android.EmojiSearch;
  89import com.cheogram.android.WebxdcPage;
  90
  91import com.google.android.material.color.MaterialColors;
  92import com.google.android.material.dialog.MaterialAlertDialogBuilder;
  93import com.google.common.base.Optional;
  94import com.google.common.collect.ImmutableList;
  95
  96import org.jetbrains.annotations.NotNull;
  97
  98import io.ipfs.cid.Cid;
  99
 100import java.io.File;
 101import java.net.URISyntaxException;
 102import java.util.AbstractMap;
 103import java.util.ArrayList;
 104import java.util.Arrays;
 105import java.util.Collection;
 106import java.util.Collections;
 107import java.util.HashSet;
 108import java.util.Iterator;
 109import java.util.List;
 110import java.util.Map;
 111import java.util.Set;
 112import java.util.UUID;
 113import java.util.concurrent.atomic.AtomicBoolean;
 114import java.util.regex.Matcher;
 115import java.util.regex.Pattern;
 116
 117import eu.siacs.conversations.Config;
 118import eu.siacs.conversations.R;
 119import eu.siacs.conversations.crypto.axolotl.AxolotlService;
 120import eu.siacs.conversations.crypto.axolotl.FingerprintStatus;
 121import eu.siacs.conversations.databinding.EmojiSearchBinding;
 122import eu.siacs.conversations.databinding.FragmentConversationBinding;
 123import eu.siacs.conversations.entities.Account;
 124import eu.siacs.conversations.entities.Blockable;
 125import eu.siacs.conversations.entities.Contact;
 126import eu.siacs.conversations.entities.Conversation;
 127import eu.siacs.conversations.entities.Conversational;
 128import eu.siacs.conversations.entities.DownloadableFile;
 129import eu.siacs.conversations.entities.Message;
 130import eu.siacs.conversations.entities.MucOptions;
 131import eu.siacs.conversations.entities.MucOptions.User;
 132import eu.siacs.conversations.entities.Presence;
 133import eu.siacs.conversations.entities.Presences;
 134import eu.siacs.conversations.entities.ReadByMarker;
 135import eu.siacs.conversations.entities.Transferable;
 136import eu.siacs.conversations.entities.TransferablePlaceholder;
 137import eu.siacs.conversations.http.HttpDownloadConnection;
 138import eu.siacs.conversations.persistance.FileBackend;
 139import eu.siacs.conversations.services.CallIntegrationConnectionService;
 140import eu.siacs.conversations.services.MessageArchiveService;
 141import eu.siacs.conversations.services.QuickConversationsService;
 142import eu.siacs.conversations.services.XmppConnectionService;
 143import eu.siacs.conversations.ui.adapter.CommandAdapter;
 144import eu.siacs.conversations.ui.adapter.MediaPreviewAdapter;
 145import eu.siacs.conversations.ui.adapter.MessageAdapter;
 146import eu.siacs.conversations.ui.util.ActivityResult;
 147import eu.siacs.conversations.ui.util.Attachment;
 148import eu.siacs.conversations.ui.util.ConversationMenuConfigurator;
 149import eu.siacs.conversations.ui.util.DateSeparator;
 150import eu.siacs.conversations.ui.util.EditMessageActionModeCallback;
 151import eu.siacs.conversations.ui.util.ListViewUtils;
 152import eu.siacs.conversations.ui.util.MenuDoubleTabUtil;
 153import eu.siacs.conversations.ui.util.MucDetailsContextMenuHelper;
 154import eu.siacs.conversations.ui.util.PendingItem;
 155import eu.siacs.conversations.ui.util.PresenceSelector;
 156import eu.siacs.conversations.ui.util.ScrollState;
 157import eu.siacs.conversations.ui.util.SendButtonAction;
 158import eu.siacs.conversations.ui.util.SendButtonTool;
 159import eu.siacs.conversations.ui.util.ShareUtil;
 160import eu.siacs.conversations.ui.util.ViewUtil;
 161import eu.siacs.conversations.ui.widget.EditMessage;
 162import eu.siacs.conversations.utils.AccountUtils;
 163import eu.siacs.conversations.utils.Compatibility;
 164import eu.siacs.conversations.utils.Emoticons;
 165import eu.siacs.conversations.utils.GeoHelper;
 166import eu.siacs.conversations.utils.MessageUtils;
 167import eu.siacs.conversations.utils.MimeUtils;
 168import eu.siacs.conversations.utils.NickValidityChecker;
 169import eu.siacs.conversations.utils.PermissionUtils;
 170import eu.siacs.conversations.utils.QuickLoader;
 171import eu.siacs.conversations.utils.StylingHelper;
 172import eu.siacs.conversations.utils.TimeFrameUtils;
 173import eu.siacs.conversations.utils.UIHelper;
 174import eu.siacs.conversations.xml.Element;
 175import eu.siacs.conversations.xml.Namespace;
 176import eu.siacs.conversations.xmpp.Jid;
 177import eu.siacs.conversations.xmpp.XmppConnection;
 178import eu.siacs.conversations.xmpp.chatstate.ChatState;
 179import eu.siacs.conversations.xmpp.jingle.AbstractJingleConnection;
 180import eu.siacs.conversations.xmpp.jingle.JingleConnectionManager;
 181import eu.siacs.conversations.xmpp.jingle.JingleFileTransferConnection;
 182import eu.siacs.conversations.xmpp.jingle.Media;
 183import eu.siacs.conversations.xmpp.jingle.OngoingRtpSession;
 184import eu.siacs.conversations.xmpp.jingle.RtpCapability;
 185import eu.siacs.conversations.xmpp.stanzas.IqPacket;
 186
 187import org.jetbrains.annotations.NotNull;
 188
 189import java.util.ArrayList;
 190import java.util.Arrays;
 191import java.util.Collection;
 192import java.util.Collections;
 193import java.util.HashSet;
 194import java.util.Iterator;
 195import java.util.List;
 196import java.util.Set;
 197import java.util.UUID;
 198import java.util.concurrent.atomic.AtomicBoolean;
 199import eu.siacs.conversations.xmpp.jingle.RtpEndUserState;
 200
 201public class ConversationFragment extends XmppFragment
 202        implements EditMessage.KeyboardListener,
 203                MessageAdapter.OnContactPictureLongClicked,
 204                MessageAdapter.OnContactPictureClicked,
 205                MessageAdapter.OnInlineImageLongClicked {
 206
 207    public static final int REQUEST_SEND_MESSAGE = 0x0201;
 208    public static final int REQUEST_DECRYPT_PGP = 0x0202;
 209    public static final int REQUEST_ENCRYPT_MESSAGE = 0x0207;
 210    public static final int REQUEST_TRUST_KEYS_TEXT = 0x0208;
 211    public static final int REQUEST_TRUST_KEYS_ATTACHMENTS = 0x0209;
 212    public static final int REQUEST_START_DOWNLOAD = 0x0210;
 213    public static final int REQUEST_ADD_EDITOR_CONTENT = 0x0211;
 214    public static final int REQUEST_COMMIT_ATTACHMENTS = 0x0212;
 215    public static final int REQUEST_START_AUDIO_CALL = 0x213;
 216    public static final int REQUEST_START_VIDEO_CALL = 0x214;
 217    public static final int REQUEST_SAVE_STICKER = 0x215;
 218    public static final int ATTACHMENT_CHOICE_CHOOSE_IMAGE = 0x0301;
 219    public static final int ATTACHMENT_CHOICE_TAKE_PHOTO = 0x0302;
 220    public static final int ATTACHMENT_CHOICE_CHOOSE_FILE = 0x0303;
 221    public static final int ATTACHMENT_CHOICE_RECORD_VOICE = 0x0304;
 222    public static final int ATTACHMENT_CHOICE_LOCATION = 0x0305;
 223    public static final int ATTACHMENT_CHOICE_INVALID = 0x0306;
 224    public static final int ATTACHMENT_CHOICE_RECORD_VIDEO = 0x0307;
 225
 226    public static final String RECENTLY_USED_QUICK_ACTION = "recently_used_quick_action";
 227    public static final String STATE_CONVERSATION_UUID =
 228            ConversationFragment.class.getName() + ".uuid";
 229    public static final String STATE_SCROLL_POSITION =
 230            ConversationFragment.class.getName() + ".scroll_position";
 231    public static final String STATE_PHOTO_URI =
 232            ConversationFragment.class.getName() + ".media_previews";
 233    public static final String STATE_MEDIA_PREVIEWS =
 234            ConversationFragment.class.getName() + ".take_photo_uri";
 235    private static final String STATE_LAST_MESSAGE_UUID = "state_last_message_uuid";
 236
 237    private final List<Message> messageList = new ArrayList<>();
 238    private final PendingItem<ActivityResult> postponedActivityResult = new PendingItem<>();
 239    private final PendingItem<String> pendingConversationsUuid = new PendingItem<>();
 240    private final PendingItem<ArrayList<Attachment>> pendingMediaPreviews = new PendingItem<>();
 241    private final PendingItem<Bundle> pendingExtras = new PendingItem<>();
 242    private final PendingItem<Uri> pendingTakePhotoUri = new PendingItem<>();
 243    private final PendingItem<ScrollState> pendingScrollState = new PendingItem<>();
 244    private final PendingItem<String> pendingLastMessageUuid = new PendingItem<>();
 245    private final PendingItem<Message> pendingMessage = new PendingItem<>();
 246    public Uri mPendingEditorContent = null;
 247    protected MessageAdapter messageListAdapter;
 248    protected CommandAdapter commandAdapter;
 249    private MediaPreviewAdapter mediaPreviewAdapter;
 250    private String lastMessageUuid = null;
 251    private Conversation conversation;
 252    private FragmentConversationBinding binding;
 253    private Toast messageLoaderToast;
 254    private ConversationsActivity activity;
 255    private boolean reInitRequiredOnStart = true;
 256    private int identiconWidth = -1;
 257    private File savingAsSticker = null;
 258    private EmojiSearch emojiSearch = null;
 259    private EmojiSearchBinding emojiSearchBinding = null;
 260    private PopupWindow emojiPopup = null;
 261    private final OnClickListener clickToMuc =
 262            new OnClickListener() {
 263
 264                @Override
 265                public void onClick(View v) {
 266                    ConferenceDetailsActivity.open(getActivity(), conversation);
 267                }
 268            };
 269    private final OnClickListener leaveMuc =
 270            new OnClickListener() {
 271
 272                @Override
 273                public void onClick(View v) {
 274                    activity.xmppConnectionService.archiveConversation(conversation);
 275                }
 276            };
 277    private final OnClickListener joinMuc =
 278            new OnClickListener() {
 279
 280                @Override
 281                public void onClick(View v) {
 282                    activity.xmppConnectionService.joinMuc(conversation);
 283                }
 284            };
 285
 286    private final OnClickListener acceptJoin =
 287            new OnClickListener() {
 288                @Override
 289                public void onClick(View v) {
 290                    conversation.setAttribute("accept_non_anonymous", true);
 291                    activity.xmppConnectionService.updateConversation(conversation);
 292                    activity.xmppConnectionService.joinMuc(conversation);
 293                }
 294            };
 295
 296    private final OnClickListener enterPassword =
 297            new OnClickListener() {
 298
 299                @Override
 300                public void onClick(View v) {
 301                    MucOptions muc = conversation.getMucOptions();
 302                    String password = muc.getPassword();
 303                    if (password == null) {
 304                        password = "";
 305                    }
 306                    activity.quickPasswordEdit(
 307                            password,
 308                            value -> {
 309                                activity.xmppConnectionService.providePasswordForMuc(
 310                                        conversation, value);
 311                                return null;
 312                            });
 313                }
 314            };
 315    private final OnScrollListener mOnScrollListener =
 316            new OnScrollListener() {
 317
 318                @Override
 319                public void onScrollStateChanged(AbsListView view, int scrollState) {
 320                    if (AbsListView.OnScrollListener.SCROLL_STATE_IDLE == scrollState) {
 321                        updateThreadFromLastMessage();
 322                        fireReadEvent();
 323                    }
 324                }
 325
 326                @Override
 327                public void onScroll(
 328                        final AbsListView view,
 329                        int firstVisibleItem,
 330                        int visibleItemCount,
 331                        int totalItemCount) {
 332                    toggleScrollDownButton(view);
 333                    synchronized (ConversationFragment.this.messageList) {
 334                        if (firstVisibleItem < 5
 335                                && conversation != null
 336                                && conversation.messagesLoaded.compareAndSet(true, false)
 337                                && messageList.size() > 0) {
 338                            long timestamp = conversation.loadMoreTimestamp();
 339                            activity.xmppConnectionService.loadMoreMessages(
 340                                    conversation,
 341                                    timestamp,
 342                                    new XmppConnectionService.OnMoreMessagesLoaded() {
 343                                        @Override
 344                                        public void onMoreMessagesLoaded(
 345                                                final int c, final Conversation conversation) {
 346                                            if (ConversationFragment.this.conversation
 347                                                    != conversation) {
 348                                                conversation.messagesLoaded.set(true);
 349                                                return;
 350                                            }
 351                                            runOnUiThread(
 352                                                    () -> {
 353                                                        synchronized (messageList) {
 354                                                            final int oldPosition =
 355                                                                    binding.messagesView
 356                                                                            .getFirstVisiblePosition();
 357                                                            Message message = null;
 358                                                            int childPos;
 359                                                            for (childPos = 0;
 360                                                                    childPos + oldPosition
 361                                                                            < messageList.size();
 362                                                                    ++childPos) {
 363                                                                message =
 364                                                                        messageList.get(
 365                                                                                oldPosition
 366                                                                                        + childPos);
 367                                                                if (message.getType()
 368                                                                        != Message.TYPE_STATUS) {
 369                                                                    break;
 370                                                                }
 371                                                            }
 372                                                            final String uuid =
 373                                                                    message != null
 374                                                                            ? message.getUuid()
 375                                                                            : null;
 376                                                            View v =
 377                                                                    binding.messagesView.getChildAt(
 378                                                                            childPos);
 379                                                            final int pxOffset =
 380                                                                    (v == null) ? 0 : v.getTop();
 381                                                            ConversationFragment.this.conversation
 382                                                                    .populateWithMessages(
 383                                                                            ConversationFragment
 384                                                                                    .this
 385                                                                                    .messageList, activity == null ? null : activity.xmppConnectionService);
 386                                                            try {
 387                                                                updateStatusMessages();
 388                                                            } catch (IllegalStateException e) {
 389                                                                Log.d(
 390                                                                        Config.LOGTAG,
 391                                                                        "caught illegal state exception while updating status messages");
 392                                                            }
 393                                                            messageListAdapter
 394                                                                    .notifyDataSetChanged();
 395                                                            int pos =
 396                                                                    Math.max(
 397                                                                            getIndexOf(
 398                                                                                    uuid,
 399                                                                                    messageList),
 400                                                                            0);
 401                                                            binding.messagesView
 402                                                                    .setSelectionFromTop(
 403                                                                            pos, pxOffset);
 404                                                            if (messageLoaderToast != null) {
 405                                                                messageLoaderToast.cancel();
 406                                                            }
 407                                                            conversation.messagesLoaded.set(true);
 408                                                        }
 409                                                    });
 410                                        }
 411
 412                                        @Override
 413                                        public void informUser(final int resId) {
 414
 415                                            runOnUiThread(
 416                                                    () -> {
 417                                                        if (messageLoaderToast != null) {
 418                                                            messageLoaderToast.cancel();
 419                                                        }
 420                                                        if (ConversationFragment.this.conversation
 421                                                                != conversation) {
 422                                                            return;
 423                                                        }
 424                                                        messageLoaderToast =
 425                                                                Toast.makeText(
 426                                                                        view.getContext(),
 427                                                                        resId,
 428                                                                        Toast.LENGTH_LONG);
 429                                                        messageLoaderToast.show();
 430                                                    });
 431                                        }
 432                                    });
 433                        }
 434                    }
 435                }
 436            };
 437    private final EditMessage.OnCommitContentListener mEditorContentListener =
 438            new EditMessage.OnCommitContentListener() {
 439                @Override
 440                public boolean onCommitContent(
 441                        InputContentInfoCompat inputContentInfo,
 442                        int flags,
 443                        Bundle opts,
 444                        String[] contentMimeTypes) {
 445                    // try to get permission to read the image, if applicable
 446                    if ((flags & InputConnectionCompat.INPUT_CONTENT_GRANT_READ_URI_PERMISSION)
 447                            != 0) {
 448                        try {
 449                            inputContentInfo.requestPermission();
 450                        } catch (Exception e) {
 451                            Log.e(
 452                                    Config.LOGTAG,
 453                                    "InputContentInfoCompat#requestPermission() failed.",
 454                                    e);
 455                            Toast.makeText(
 456                                            getActivity(),
 457                                            activity.getString(
 458                                                    R.string.no_permission_to_access_x,
 459                                                    inputContentInfo.getDescription()),
 460                                            Toast.LENGTH_LONG)
 461                                    .show();
 462                            return false;
 463                        }
 464                    }
 465                    if (hasPermissions(
 466                            REQUEST_ADD_EDITOR_CONTENT,
 467                            Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
 468                        attachEditorContentToConversation(inputContentInfo.getContentUri());
 469                    } else {
 470                        mPendingEditorContent = inputContentInfo.getContentUri();
 471                    }
 472                    return true;
 473                }
 474            };
 475    private Message selectedMessage;
 476    private final OnClickListener mEnableAccountListener =
 477            new OnClickListener() {
 478                @Override
 479                public void onClick(View v) {
 480                    final Account account = conversation == null ? null : conversation.getAccount();
 481                    if (account != null) {
 482                        account.setOption(Account.OPTION_SOFT_DISABLED, false);
 483                        account.setOption(Account.OPTION_DISABLED, false);
 484                        activity.xmppConnectionService.updateAccount(account);
 485                    }
 486                }
 487            };
 488    private final OnClickListener mUnblockClickListener =
 489            new OnClickListener() {
 490                @Override
 491                public void onClick(final View v) {
 492                    v.post(() -> v.setVisibility(View.INVISIBLE));
 493                    if (conversation.isDomainBlocked()) {
 494                        BlockContactDialog.show(activity, conversation);
 495                    } else {
 496                        unblockConversation(conversation);
 497                    }
 498                }
 499            };
 500    private final OnClickListener mBlockClickListener = this::showBlockSubmenu;
 501    private final OnClickListener mAddBackClickListener =
 502            new OnClickListener() {
 503
 504                @Override
 505                public void onClick(View v) {
 506                    final Contact contact = conversation == null ? null : conversation.getContact();
 507                    if (contact != null) {
 508                        activity.xmppConnectionService.createContact(contact, true);
 509                        activity.switchToContactDetails(contact);
 510                    }
 511                }
 512            };
 513    private final View.OnLongClickListener mLongPressBlockListener = this::showBlockSubmenu;
 514    private final OnClickListener mAllowPresenceSubscription =
 515            new OnClickListener() {
 516                @Override
 517                public void onClick(View v) {
 518                    final Contact contact = conversation == null ? null : conversation.getContact();
 519                    if (contact != null) {
 520                        activity.xmppConnectionService.sendPresencePacket(
 521                                contact.getAccount(),
 522                                activity.xmppConnectionService
 523                                        .getPresenceGenerator()
 524                                        .sendPresenceUpdatesTo(contact));
 525                        hideSnackbar();
 526                    }
 527                }
 528            };
 529    protected OnClickListener clickToDecryptListener =
 530            new OnClickListener() {
 531
 532                @Override
 533                public void onClick(View v) {
 534                    PendingIntent pendingIntent =
 535                            conversation.getAccount().getPgpDecryptionService().getPendingIntent();
 536                    if (pendingIntent != null) {
 537                        try {
 538                            getActivity()
 539                                    .startIntentSenderForResult(
 540                                            pendingIntent.getIntentSender(),
 541                                            REQUEST_DECRYPT_PGP,
 542                                            null,
 543                                            0,
 544                                            0,
 545                                            0,
 546                                            Compatibility.pgpStartIntentSenderOptions());
 547                        } catch (SendIntentException e) {
 548                            Toast.makeText(
 549                                            getActivity(),
 550                                            R.string.unable_to_connect_to_keychain,
 551                                            Toast.LENGTH_SHORT)
 552                                    .show();
 553                            conversation
 554                                    .getAccount()
 555                                    .getPgpDecryptionService()
 556                                    .continueDecryption(true);
 557                        }
 558                    }
 559                    updateSnackBar(conversation);
 560                }
 561            };
 562    private final AtomicBoolean mSendingPgpMessage = new AtomicBoolean(false);
 563    private final OnEditorActionListener mEditorActionListener =
 564            (v, actionId, event) -> {
 565                if (actionId == EditorInfo.IME_ACTION_SEND) {
 566                    InputMethodManager imm =
 567                            (InputMethodManager)
 568                                    activity.getSystemService(Context.INPUT_METHOD_SERVICE);
 569                    if (imm != null && imm.isFullscreenMode()) {
 570                        imm.hideSoftInputFromWindow(v.getWindowToken(), 0);
 571                    }
 572                    sendMessage();
 573                    return true;
 574                } else {
 575                    return false;
 576                }
 577            };
 578    private final OnClickListener mScrollButtonListener =
 579            new OnClickListener() {
 580
 581                @Override
 582                public void onClick(View v) {
 583                    stopScrolling();
 584                    setSelection(binding.messagesView.getCount() - 1, true);
 585                }
 586            };
 587    private final OnClickListener mSendButtonListener =
 588            new OnClickListener() {
 589
 590                @Override
 591                public void onClick(View v) {
 592                    Object tag = v.getTag();
 593                    if (tag instanceof SendButtonAction) {
 594                        SendButtonAction action = (SendButtonAction) tag;
 595                        switch (action) {
 596                            case TAKE_PHOTO:
 597                            case RECORD_VIDEO:
 598                            case SEND_LOCATION:
 599                            case RECORD_VOICE:
 600                            case CHOOSE_PICTURE:
 601                                attachFile(action.toChoice());
 602                                break;
 603                            case CANCEL:
 604                                if (conversation != null) {
 605                                    conversation.setUserSelectedThread(false);
 606                                    if (conversation.setCorrectingMessage(null)) {
 607                                        binding.textinput.setText("");
 608                                        binding.textinput.append(conversation.getDraftMessage());
 609                                        conversation.setDraftMessage(null);
 610                                    } else if (conversation.getMode() == Conversation.MODE_MULTI) {
 611                                        conversation.setNextCounterpart(null);
 612                                        binding.textinput.setText("");
 613                                    } else {
 614                                        binding.textinput.setText("");
 615                                    }
 616                                    binding.textinputSubject.setText("");
 617                                    binding.textinputSubject.setVisibility(View.GONE);
 618                                    updateChatMsgHint();
 619                                    updateSendButton();
 620                                    updateEditablity();
 621                                }
 622                                break;
 623                            default:
 624                                sendMessage();
 625                        }
 626                    } else {
 627                        sendMessage();
 628                    }
 629                }
 630            };
 631    private OnBackPressedCallback backPressedLeaveSingleThread = new OnBackPressedCallback(false) {
 632        @Override
 633        public void handleOnBackPressed() {
 634            conversation.setLockThread(false);
 635            this.setEnabled(false);
 636            conversation.setUserSelectedThread(false);
 637            setThread(null);
 638            refresh();
 639            updateThreadFromLastMessage();
 640        }
 641    };
 642    private int completionIndex = 0;
 643    private int lastCompletionLength = 0;
 644    private String incomplete;
 645    private int lastCompletionCursor;
 646    private boolean firstWord = false;
 647    private Message mPendingDownloadableMessage;
 648
 649    private static ConversationFragment findConversationFragment(Activity activity) {
 650        Fragment fragment = activity.getFragmentManager().findFragmentById(R.id.main_fragment);
 651        if (fragment instanceof ConversationFragment) {
 652            return (ConversationFragment) fragment;
 653        }
 654        fragment = activity.getFragmentManager().findFragmentById(R.id.secondary_fragment);
 655        if (fragment instanceof ConversationFragment) {
 656            return (ConversationFragment) fragment;
 657        }
 658        return null;
 659    }
 660
 661    public static void startStopPending(Activity activity) {
 662        ConversationFragment fragment = findConversationFragment(activity);
 663        if (fragment != null) {
 664            fragment.messageListAdapter.startStopPending();
 665        }
 666    }
 667
 668    public static void downloadFile(Activity activity, Message message) {
 669        ConversationFragment fragment = findConversationFragment(activity);
 670        if (fragment != null) {
 671            fragment.startDownloadable(message);
 672        }
 673    }
 674
 675    public static void registerPendingMessage(Activity activity, Message message) {
 676        ConversationFragment fragment = findConversationFragment(activity);
 677        if (fragment != null) {
 678            fragment.pendingMessage.push(message);
 679        }
 680    }
 681
 682    public static void openPendingMessage(Activity activity) {
 683        ConversationFragment fragment = findConversationFragment(activity);
 684        if (fragment != null) {
 685            Message message = fragment.pendingMessage.pop();
 686            if (message != null) {
 687                fragment.messageListAdapter.openDownloadable(message);
 688            }
 689        }
 690    }
 691
 692    public static Conversation getConversation(Activity activity) {
 693        return getConversation(activity, R.id.secondary_fragment);
 694    }
 695
 696    private static Conversation getConversation(Activity activity, @IdRes int res) {
 697        final Fragment fragment = activity.getFragmentManager().findFragmentById(res);
 698        if (fragment instanceof ConversationFragment) {
 699            return ((ConversationFragment) fragment).getConversation();
 700        } else {
 701            return null;
 702        }
 703    }
 704
 705    public static ConversationFragment get(Activity activity) {
 706        FragmentManager fragmentManager = activity.getFragmentManager();
 707        Fragment fragment = fragmentManager.findFragmentById(R.id.main_fragment);
 708        if (fragment instanceof ConversationFragment) {
 709            return (ConversationFragment) fragment;
 710        } else {
 711            fragment = fragmentManager.findFragmentById(R.id.secondary_fragment);
 712            return fragment instanceof ConversationFragment
 713                    ? (ConversationFragment) fragment
 714                    : null;
 715        }
 716    }
 717
 718    public static Conversation getConversationReliable(Activity activity) {
 719        final Conversation conversation = getConversation(activity, R.id.secondary_fragment);
 720        if (conversation != null) {
 721            return conversation;
 722        }
 723        return getConversation(activity, R.id.main_fragment);
 724    }
 725
 726    private static boolean scrolledToBottom(AbsListView listView) {
 727        final int count = listView.getCount();
 728        if (count == 0) {
 729            return true;
 730        } else if (listView.getLastVisiblePosition() == count - 1) {
 731            final View lastChild = listView.getChildAt(listView.getChildCount() - 1);
 732            return lastChild != null && lastChild.getBottom() <= listView.getHeight();
 733        } else {
 734            return false;
 735        }
 736    }
 737
 738    private void toggleScrollDownButton() {
 739        toggleScrollDownButton(binding.messagesView);
 740    }
 741
 742    private void toggleScrollDownButton(AbsListView listView) {
 743        if (conversation == null) {
 744            return;
 745        }
 746        if (scrolledToBottom(listView)) {
 747            lastMessageUuid = null;
 748            hideUnreadMessagesCount();
 749        } else {
 750            binding.scrollToBottomButton.setEnabled(true);
 751            binding.scrollToBottomButton.show();
 752            if (lastMessageUuid == null) {
 753                lastMessageUuid = conversation.getLatestMessage().getUuid();
 754            }
 755            if (conversation.getReceivedMessagesCountSinceUuid(lastMessageUuid) > 0) {
 756                binding.unreadCountCustomView.setVisibility(View.VISIBLE);
 757            }
 758        }
 759    }
 760
 761    private int getIndexOf(String uuid, List<Message> messages) {
 762        if (uuid == null) {
 763            return messages.size() - 1;
 764        }
 765        for (int i = 0; i < messages.size(); ++i) {
 766            if (uuid.equals(messages.get(i).getUuid())) {
 767                return i;
 768            } else {
 769                Message next = messages.get(i);
 770                while (next != null && next.wasMergedIntoPrevious(activity == null ? null : activity.xmppConnectionService)) {
 771                    if (uuid.equals(next.getUuid())) {
 772                        return i;
 773                    }
 774                    next = next.next();
 775                }
 776            }
 777        }
 778        return -1;
 779    }
 780
 781    private ScrollState getScrollPosition() {
 782        final ListView listView = this.binding == null ? null : this.binding.messagesView;
 783        if (listView == null
 784                || listView.getCount() == 0
 785                || listView.getLastVisiblePosition() == listView.getCount() - 1) {
 786            return null;
 787        } else {
 788            final int pos = listView.getFirstVisiblePosition();
 789            final View view = listView.getChildAt(0);
 790            if (view == null) {
 791                return null;
 792            } else {
 793                return new ScrollState(pos, view.getTop());
 794            }
 795        }
 796    }
 797
 798    private void setScrollPosition(ScrollState scrollPosition, String lastMessageUuid) {
 799        if (scrollPosition != null) {
 800
 801            this.lastMessageUuid = lastMessageUuid;
 802            if (lastMessageUuid != null) {
 803                binding.unreadCountCustomView.setUnreadCount(
 804                        conversation.getReceivedMessagesCountSinceUuid(lastMessageUuid));
 805            }
 806            // TODO maybe this needs a 'post'
 807            this.binding.messagesView.setSelectionFromTop(
 808                    scrollPosition.position, scrollPosition.offset);
 809            toggleScrollDownButton();
 810        }
 811    }
 812
 813    private void attachLocationToConversation(Conversation conversation, Uri uri) {
 814        if (conversation == null) {
 815            return;
 816        }
 817        final String subject = binding.textinputSubject.getText().toString();
 818        activity.xmppConnectionService.attachLocationToConversation(
 819                conversation,
 820                uri,
 821                subject,
 822                new UiCallback<Message>() {
 823
 824                    @Override
 825                    public void success(Message message) {
 826                        messageSent();
 827                    }
 828
 829                    @Override
 830                    public void error(int errorCode, Message object) {
 831                        // TODO show possible pgp error
 832                    }
 833
 834                    @Override
 835                    public void userInputRequired(PendingIntent pi, Message object) {}
 836                });
 837    }
 838
 839    private void attachFileToConversation(Conversation conversation, Uri uri, String type) {
 840        if (conversation == null) {
 841            return;
 842        }
 843        final String subject = binding.textinputSubject.getText().toString();
 844        if (type == "application/xdc+zip") newSubThread();
 845        final Toast prepareFileToast =
 846                Toast.makeText(getActivity(), getText(R.string.preparing_file), Toast.LENGTH_LONG);
 847        prepareFileToast.show();
 848        activity.delegateUriPermissionsToService(uri);
 849        activity.xmppConnectionService.attachFileToConversation(
 850                conversation,
 851                uri,
 852                type,
 853                subject,
 854                new UiInformableCallback<Message>() {
 855                    @Override
 856                    public void inform(final String text) {
 857                        hidePrepareFileToast(prepareFileToast);
 858                        runOnUiThread(() -> activity.replaceToast(text));
 859                    }
 860
 861                    @Override
 862                    public void success(Message message) {
 863                        runOnUiThread(() -> {
 864                            activity.hideToast();
 865                            messageSent();
 866                        });
 867                        hidePrepareFileToast(prepareFileToast);
 868                    }
 869
 870                    @Override
 871                    public void error(final int errorCode, Message message) {
 872                        hidePrepareFileToast(prepareFileToast);
 873                        runOnUiThread(() -> activity.replaceToast(getString(errorCode)));
 874                    }
 875
 876                    @Override
 877                    public void userInputRequired(PendingIntent pi, Message message) {
 878                        hidePrepareFileToast(prepareFileToast);
 879                    }
 880                });
 881    }
 882
 883    public void attachEditorContentToConversation(Uri uri) {
 884        mediaPreviewAdapter.addMediaPreviews(
 885                Attachment.of(getActivity(), uri, Attachment.Type.FILE));
 886        toggleInputMethod();
 887    }
 888
 889    private void attachImageToConversation(Conversation conversation, Uri uri, String type) {
 890        if (conversation == null) {
 891            return;
 892        }
 893        final String subject = binding.textinputSubject.getText().toString();
 894        final Toast prepareFileToast =
 895                Toast.makeText(getActivity(), getText(R.string.preparing_image), Toast.LENGTH_LONG);
 896        prepareFileToast.show();
 897        activity.delegateUriPermissionsToService(uri);
 898        activity.xmppConnectionService.attachImageToConversation(
 899                conversation,
 900                uri,
 901                type,
 902                subject,
 903                new UiCallback<Message>() {
 904
 905                    @Override
 906                    public void userInputRequired(PendingIntent pi, Message object) {
 907                        hidePrepareFileToast(prepareFileToast);
 908                    }
 909
 910                    @Override
 911                    public void success(Message message) {
 912                        hidePrepareFileToast(prepareFileToast);
 913                        runOnUiThread(() -> messageSent());
 914                    }
 915
 916                    @Override
 917                    public void error(final int error, final Message message) {
 918                        hidePrepareFileToast(prepareFileToast);
 919                        final ConversationsActivity activity = ConversationFragment.this.activity;
 920                        if (activity == null) {
 921                            return;
 922                        }
 923                        activity.runOnUiThread(() -> activity.replaceToast(getString(error)));
 924                    }
 925                });
 926    }
 927
 928    private void hidePrepareFileToast(final Toast prepareFileToast) {
 929        if (prepareFileToast != null && activity != null) {
 930            activity.runOnUiThread(prepareFileToast::cancel);
 931        }
 932    }
 933
 934    private void sendMessage() {
 935        sendMessage((Long) null);
 936    }
 937
 938    private void sendMessage(Long sendAt) {
 939        if (sendAt != null && sendAt < System.currentTimeMillis()) sendAt = null; // No sending in past plz
 940        if (mediaPreviewAdapter.hasAttachments()) {
 941            commitAttachments();
 942            return;
 943        }
 944        Editable body = this.binding.textinput.getText();
 945        if (body == null) body = new SpannableStringBuilder("");
 946        final Conversation conversation = this.conversation;
 947        final boolean hasSubject = binding.textinputSubject.getText().length() > 0;
 948        if (conversation == null || (body.length() == 0 && (conversation.getThread() == null || !hasSubject))) {
 949            binding.textSendButton.showContextMenu(0, 0);
 950            return;
 951        }
 952        if (trustKeysIfNeeded(conversation, REQUEST_TRUST_KEYS_TEXT)) {
 953            return;
 954        }
 955        final Message message;
 956        if (conversation.getCorrectingMessage() == null) {
 957            boolean attention = false;
 958            if (Pattern.compile("\\A@here\\s.*").matcher(body).find()) {
 959                attention = true;
 960                body.delete(0, 6);
 961                while (body.length() > 0 && Character.isWhitespace(body.charAt(0))) body.delete(0, 1);
 962            }
 963            if (conversation.getReplyTo() != null) {
 964                if (Emoticons.isEmoji(body.toString().replaceAll("\\s", ""))) {
 965                    message = conversation.getReplyTo().react(body.toString().replaceAll("\\s", ""));
 966                } else {
 967                    message = conversation.getReplyTo().reply();
 968                    message.appendBody(body);
 969                }
 970                message.setEncryption(conversation.getNextEncryption());
 971            } else {
 972                message = new Message(conversation, body.toString(), conversation.getNextEncryption());
 973                message.setBody(hasSubject && body.length() == 0 ? null : body);
 974                if (message.bodyIsOnlyEmojis()) {
 975                    SpannableStringBuilder spannable = message.getSpannableBody(null, null);
 976                    ImageSpan[] imageSpans = spannable.getSpans(0, spannable.length(), ImageSpan.class);
 977                    if (imageSpans.length == 1) {
 978                        // Only one inline image, so it's a sticker
 979                        String source = imageSpans[0].getSource();
 980                        if (source != null && source.length() > 0 && source.substring(0, 4).equals("cid:")) {
 981                            try {
 982                                final Cid cid = BobTransfer.cid(Uri.parse(source));
 983                                final String url = activity.xmppConnectionService.getUrlForCid(cid);
 984                                final File f = activity.xmppConnectionService.getFileForCid(cid);
 985                                if (url != null) {
 986                                    message.setBody("");
 987                                    message.setRelativeFilePath(f.getAbsolutePath());
 988                                    activity.xmppConnectionService.getFileBackend().updateFileParams(message);
 989                                }
 990                            } catch (final Exception e) { }
 991                        }
 992                    }
 993                }
 994            }
 995            if (hasSubject) message.setSubject(binding.textinputSubject.getText().toString());
 996            message.setThread(conversation.getThread());
 997            if (attention) {
 998                message.addPayload(new Element("attention", "urn:xmpp:attention:0"));
 999            }
1000            Message.configurePrivateMessage(message);
1001        } else {
1002            message = conversation.getCorrectingMessage();
1003            if (hasSubject) message.setSubject(binding.textinputSubject.getText().toString());
1004            message.setThread(conversation.getThread());
1005            if (conversation.getReplyTo() != null) {
1006                if (Emoticons.isEmoji(body.toString().replaceAll("\\s", ""))) {
1007                    message.updateReaction(conversation.getReplyTo(), body.toString().replaceAll("\\s", ""));
1008                } else {
1009                    message.updateReplyTo(conversation.getReplyTo(), body);
1010                }
1011            } else {
1012                message.clearReplyReact();
1013                message.setBody(hasSubject && body.length() == 0 ? null : body);
1014            }
1015            if (message.getStatus() == Message.STATUS_WAITING) {
1016                if (sendAt != null) message.setTime(sendAt);
1017                activity.xmppConnectionService.updateMessage(message);
1018                setupReply(null);
1019                messageSent();
1020                return;
1021            } else {
1022                message.putEdited(message.getUuid(), message.getServerMsgId());
1023                message.setServerMsgId(null);
1024                message.setUuid(UUID.randomUUID().toString());
1025            }
1026        }
1027        if (sendAt != null) message.setTime(sendAt);
1028        switch (conversation.getNextEncryption()) {
1029            case Message.ENCRYPTION_PGP:
1030                sendPgpMessage(message);
1031                break;
1032            default:
1033                sendMessage(message);
1034        }
1035        setupReply(null);
1036    }
1037
1038    private boolean trustKeysIfNeeded(final Conversation conversation, final int requestCode) {
1039        return conversation.getNextEncryption() == Message.ENCRYPTION_AXOLOTL
1040                && trustKeysIfNeeded(requestCode);
1041    }
1042
1043    protected boolean trustKeysIfNeeded(int requestCode) {
1044        AxolotlService axolotlService = conversation.getAccount().getAxolotlService();
1045        final List<Jid> targets = axolotlService.getCryptoTargets(conversation);
1046        boolean hasUnaccepted = !conversation.getAcceptedCryptoTargets().containsAll(targets);
1047        boolean hasUndecidedOwn =
1048                !axolotlService
1049                        .getKeysWithTrust(FingerprintStatus.createActiveUndecided())
1050                        .isEmpty();
1051        boolean hasUndecidedContacts =
1052                !axolotlService
1053                        .getKeysWithTrust(FingerprintStatus.createActiveUndecided(), targets)
1054                        .isEmpty();
1055        boolean hasPendingKeys = !axolotlService.findDevicesWithoutSession(conversation).isEmpty();
1056        boolean hasNoTrustedKeys = axolotlService.anyTargetHasNoTrustedKeys(targets);
1057        boolean downloadInProgress = axolotlService.hasPendingKeyFetches(targets);
1058        if (hasUndecidedOwn
1059                || hasUndecidedContacts
1060                || hasPendingKeys
1061                || hasNoTrustedKeys
1062                || hasUnaccepted
1063                || downloadInProgress) {
1064            axolotlService.createSessionsIfNeeded(conversation);
1065            Intent intent = new Intent(getActivity(), TrustKeysActivity.class);
1066            String[] contacts = new String[targets.size()];
1067            for (int i = 0; i < contacts.length; ++i) {
1068                contacts[i] = targets.get(i).toString();
1069            }
1070            intent.putExtra("contacts", contacts);
1071            intent.putExtra(
1072                    EXTRA_ACCOUNT,
1073                    conversation.getAccount().getJid().asBareJid().toEscapedString());
1074            intent.putExtra("conversation", conversation.getUuid());
1075            startActivityForResult(intent, requestCode);
1076            return true;
1077        } else {
1078            return false;
1079        }
1080    }
1081
1082    public void updateChatMsgHint() {
1083        final boolean multi = conversation.getMode() == Conversation.MODE_MULTI;
1084        if (conversation.getCorrectingMessage() != null) {
1085            this.binding.textInputHint.setVisibility(View.GONE);
1086            this.binding.textinput.setHint(R.string.send_corrected_message);
1087            binding.conversationViewPager.setCurrentItem(0);
1088        } else if (multi && conversation.getNextCounterpart() != null) {
1089            this.binding.textinput.setHint(R.string.send_message);
1090            this.binding.textInputHint.setVisibility(View.VISIBLE);
1091            final MucOptions.User user = conversation.getMucOptions().findUserByName(conversation.getNextCounterpart().getResource());
1092            String nick = user == null ? null : user.getNick();
1093            if (nick == null) nick = conversation.getNextCounterpart().getResource();
1094            this.binding.textInputHint.setText(
1095                    getString(
1096                            R.string.send_private_message_to,
1097                            nick));
1098            binding.conversationViewPager.setCurrentItem(0);
1099        } else if (multi && !conversation.getMucOptions().participating()) {
1100            this.binding.textInputHint.setVisibility(View.GONE);
1101            this.binding.textinput.setHint(R.string.you_are_not_participating);
1102            this.binding.inputLayout.setBackgroundColor(android.R.color.transparent);
1103        } else {
1104            this.binding.textInputHint.setVisibility(View.GONE);
1105            this.binding.textinput.setHint(UIHelper.getMessageHint(activity, conversation));
1106            this.binding.inputLayout.setBackground(activity.getDrawable(R.drawable.background_message_bubble));
1107            activity.invalidateOptionsMenu();
1108        }
1109
1110        binding.messagesView.post(this::updateThreadFromLastMessage);
1111    }
1112
1113    public void setupIme() {
1114        this.binding.textinput.refreshIme();
1115    }
1116
1117    private void handleActivityResult(ActivityResult activityResult) {
1118        if (activityResult.resultCode == Activity.RESULT_OK) {
1119            handlePositiveActivityResult(activityResult.requestCode, activityResult.data);
1120        } else {
1121            handleNegativeActivityResult(activityResult.requestCode);
1122        }
1123    }
1124
1125    private void handlePositiveActivityResult(int requestCode, final Intent data) {
1126        switch (requestCode) {
1127            case REQUEST_SAVE_STICKER:
1128                final DocumentFile df = DocumentFile.fromSingleUri(activity, data.getData());
1129                final File f = savingAsSticker;
1130                savingAsSticker = null;
1131                try {
1132                    activity.xmppConnectionService.getFileBackend().copyFileToDocumentFile(activity, f, df);
1133                    Toast.makeText(activity, "Sticker saved", Toast.LENGTH_SHORT).show();
1134                } catch (final FileBackend.FileCopyException e) {
1135                    Toast.makeText(activity, e.getResId(), Toast.LENGTH_SHORT).show();
1136                }
1137                break;
1138            case REQUEST_TRUST_KEYS_TEXT:
1139                sendMessage();
1140                break;
1141            case REQUEST_TRUST_KEYS_ATTACHMENTS:
1142                commitAttachments();
1143                break;
1144            case REQUEST_START_AUDIO_CALL:
1145                triggerRtpSession(RtpSessionActivity.ACTION_MAKE_VOICE_CALL);
1146                break;
1147            case REQUEST_START_VIDEO_CALL:
1148                triggerRtpSession(RtpSessionActivity.ACTION_MAKE_VIDEO_CALL);
1149                break;
1150            case ATTACHMENT_CHOICE_CHOOSE_IMAGE:
1151                final List<Attachment> imageUris =
1152                        Attachment.extractAttachments(getActivity(), data, Attachment.Type.IMAGE);
1153                mediaPreviewAdapter.addMediaPreviews(imageUris);
1154                toggleInputMethod();
1155                break;
1156            case ATTACHMENT_CHOICE_TAKE_PHOTO:
1157                final Uri takePhotoUri = pendingTakePhotoUri.pop();
1158                if (takePhotoUri != null) {
1159                    mediaPreviewAdapter.addMediaPreviews(
1160                            Attachment.of(getActivity(), takePhotoUri, Attachment.Type.IMAGE));
1161                    toggleInputMethod();
1162                } else {
1163                    Log.d(Config.LOGTAG, "lost take photo uri. unable to to attach");
1164                }
1165                break;
1166            case ATTACHMENT_CHOICE_CHOOSE_FILE:
1167            case ATTACHMENT_CHOICE_RECORD_VIDEO:
1168            case ATTACHMENT_CHOICE_RECORD_VOICE:
1169                final Attachment.Type type =
1170                        requestCode == ATTACHMENT_CHOICE_RECORD_VOICE
1171                                ? Attachment.Type.RECORDING
1172                                : Attachment.Type.FILE;
1173                final List<Attachment> fileUris =
1174                        Attachment.extractAttachments(getActivity(), data, type);
1175                mediaPreviewAdapter.addMediaPreviews(fileUris);
1176                toggleInputMethod();
1177                break;
1178            case ATTACHMENT_CHOICE_LOCATION:
1179                final double latitude = data.getDoubleExtra("latitude", 0);
1180                final double longitude = data.getDoubleExtra("longitude", 0);
1181                final int accuracy = data.getIntExtra("accuracy", 0);
1182                final Uri geo;
1183                if (accuracy > 0) {
1184                    geo = Uri.parse(String.format("geo:%s,%s;u=%s", latitude, longitude, accuracy));
1185                } else {
1186                    geo = Uri.parse(String.format("geo:%s,%s", latitude, longitude));
1187                }
1188                mediaPreviewAdapter.addMediaPreviews(
1189                        Attachment.of(getActivity(), geo, Attachment.Type.LOCATION));
1190                toggleInputMethod();
1191                break;
1192            case REQUEST_INVITE_TO_CONVERSATION:
1193                XmppActivity.ConferenceInvite invite = XmppActivity.ConferenceInvite.parse(data);
1194                if (invite != null) {
1195                    if (invite.execute(activity)) {
1196                        activity.mToast =
1197                                Toast.makeText(
1198                                        activity, R.string.creating_conference, Toast.LENGTH_LONG);
1199                        activity.mToast.show();
1200                    }
1201                }
1202                break;
1203        }
1204    }
1205
1206    private void commitAttachments() {
1207        final List<Attachment> attachments = mediaPreviewAdapter.getAttachments();
1208        if (anyNeedsExternalStoragePermission(attachments)
1209                && !hasPermissions(
1210                        REQUEST_COMMIT_ATTACHMENTS, Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
1211            return;
1212        }
1213        if (trustKeysIfNeeded(conversation, REQUEST_TRUST_KEYS_ATTACHMENTS)) {
1214            return;
1215        }
1216        final PresenceSelector.OnPresenceSelected callback =
1217                () -> {
1218                    for (Iterator<Attachment> i = attachments.iterator(); i.hasNext(); i.remove()) {
1219                        final Attachment attachment = i.next();
1220                        if (attachment.getType() == Attachment.Type.LOCATION) {
1221                            attachLocationToConversation(conversation, attachment.getUri());
1222                        } else if (attachment.getType() == Attachment.Type.IMAGE) {
1223                            Log.d(
1224                                    Config.LOGTAG,
1225                                    "ConversationsActivity.commitAttachments() - attaching image to conversations. CHOOSE_IMAGE");
1226                            attachImageToConversation(
1227                                    conversation, attachment.getUri(), attachment.getMime());
1228                        } else {
1229                            Log.d(
1230                                    Config.LOGTAG,
1231                                    "ConversationsActivity.commitAttachments() - attaching file to conversations. CHOOSE_FILE/RECORD_VOICE/RECORD_VIDEO");
1232                            attachFileToConversation(
1233                                    conversation, attachment.getUri(), attachment.getMime());
1234                        }
1235                    }
1236                    mediaPreviewAdapter.notifyDataSetChanged();
1237                    toggleInputMethod();
1238                };
1239        if (conversation == null
1240                || conversation.getMode() == Conversation.MODE_MULTI
1241                || Attachment.canBeSendInBand(attachments)
1242                || (conversation.getAccount().httpUploadAvailable()
1243                        && FileBackend.allFilesUnderSize(
1244                                getActivity(), attachments, getMaxHttpUploadSize(conversation)))) {
1245            callback.onPresenceSelected();
1246        } else {
1247            activity.selectPresence(conversation, callback);
1248        }
1249    }
1250
1251    private static boolean anyNeedsExternalStoragePermission(
1252            final Collection<Attachment> attachments) {
1253        for (final Attachment attachment : attachments) {
1254            if (attachment.getType() != Attachment.Type.LOCATION) {
1255                return true;
1256            }
1257        }
1258        return false;
1259    }
1260
1261    public void toggleInputMethod() {
1262        boolean hasAttachments = mediaPreviewAdapter.hasAttachments();
1263        binding.textinput.setVisibility(hasAttachments ? View.GONE : View.VISIBLE);
1264        binding.mediaPreview.setVisibility(hasAttachments ? View.VISIBLE : View.GONE);
1265        updateSendButton();
1266    }
1267
1268    private void handleNegativeActivityResult(int requestCode) {
1269        switch (requestCode) {
1270            case ATTACHMENT_CHOICE_TAKE_PHOTO:
1271                if (pendingTakePhotoUri.clear()) {
1272                    Log.d(
1273                            Config.LOGTAG,
1274                            "cleared pending photo uri after negative activity result");
1275                }
1276                break;
1277        }
1278    }
1279
1280    @Override
1281    public void onActivityResult(int requestCode, int resultCode, final Intent data) {
1282        super.onActivityResult(requestCode, resultCode, data);
1283        ActivityResult activityResult = ActivityResult.of(requestCode, resultCode, data);
1284        if (activity != null && activity.xmppConnectionService != null) {
1285            handleActivityResult(activityResult);
1286        } else {
1287            this.postponedActivityResult.push(activityResult);
1288        }
1289    }
1290
1291    public void unblockConversation(final Blockable conversation) {
1292        activity.xmppConnectionService.sendUnblockRequest(conversation);
1293    }
1294
1295    @Override
1296    public void onAttach(Activity activity) {
1297        super.onAttach(activity);
1298        Log.d(Config.LOGTAG, "ConversationFragment.onAttach()");
1299        if (activity instanceof ConversationsActivity) {
1300            this.activity = (ConversationsActivity) activity;
1301        } else {
1302            throw new IllegalStateException(
1303                    "Trying to attach fragment to activity that is not the ConversationsActivity");
1304        }
1305    }
1306
1307    @Override
1308    public void onDetach() {
1309        super.onDetach();
1310        this.activity = null; // TODO maybe not a good idea since some callbacks really need it
1311    }
1312
1313    @Override
1314    public void onCreate(Bundle savedInstanceState) {
1315        super.onCreate(savedInstanceState);
1316        setHasOptionsMenu(true);
1317        activity.getOnBackPressedDispatcher().addCallback(this, backPressedLeaveSingleThread);
1318    }
1319
1320    @Override
1321    public void onCreateOptionsMenu(Menu menu, MenuInflater menuInflater) {
1322        if (activity != null && activity.xmppConnectionService != null && activity.xmppConnectionService.isOnboarding()) return;
1323
1324        menuInflater.inflate(R.menu.fragment_conversation, menu);
1325        final MenuItem menuMucDetails = menu.findItem(R.id.action_muc_details);
1326        final MenuItem menuContactDetails = menu.findItem(R.id.action_contact_details);
1327        final MenuItem menuInviteContact = menu.findItem(R.id.action_invite);
1328        final MenuItem menuMute = menu.findItem(R.id.action_mute);
1329        final MenuItem menuUnmute = menu.findItem(R.id.action_unmute);
1330        final MenuItem menuCall = menu.findItem(R.id.action_call);
1331        final MenuItem menuOngoingCall = menu.findItem(R.id.action_ongoing_call);
1332        final MenuItem menuVideoCall = menu.findItem(R.id.action_video_call);
1333        final MenuItem menuTogglePinned = menu.findItem(R.id.action_toggle_pinned);
1334
1335        if (conversation != null) {
1336            if (conversation.getMode() == Conversation.MODE_MULTI) {
1337                menuContactDetails.setVisible(false);
1338                menuInviteContact.setVisible(conversation.getMucOptions().canInvite());
1339                menuMucDetails.setTitle(
1340                        conversation.getMucOptions().isPrivateAndNonAnonymous()
1341                                ? R.string.action_muc_details
1342                                : R.string.channel_details);
1343                menuCall.setVisible(false);
1344                menuOngoingCall.setVisible(false);
1345            } else {
1346                final XmppConnectionService service =
1347                        activity == null ? null : activity.xmppConnectionService;
1348                final Optional<OngoingRtpSession> ongoingRtpSession =
1349                        service == null
1350                                ? Optional.absent()
1351                                : service.getJingleConnectionManager()
1352                                        .getOngoingRtpConnection(conversation.getContact());
1353                if (ongoingRtpSession.isPresent()) {
1354                    menuOngoingCall.setVisible(true);
1355                    menuCall.setVisible(false);
1356                } else {
1357                    menuOngoingCall.setVisible(false);
1358                    final RtpCapability.Capability rtpCapability =
1359                            RtpCapability.check(conversation.getContact());
1360                    final boolean cameraAvailable =
1361                            activity != null && activity.isCameraFeatureAvailable();
1362                    menuCall.setVisible(rtpCapability != RtpCapability.Capability.NONE);
1363                    menuVideoCall.setVisible(
1364                            rtpCapability == RtpCapability.Capability.VIDEO && cameraAvailable);
1365                }
1366                menuContactDetails.setVisible(!this.conversation.withSelf());
1367                menuMucDetails.setVisible(false);
1368                menuInviteContact.setVisible(
1369                        service != null
1370                                && service.findConferenceServer(conversation.getAccount()) != null);
1371            }
1372            if (conversation.isMuted()) {
1373                menuMute.setVisible(false);
1374            } else {
1375                menuUnmute.setVisible(false);
1376            }
1377            ConversationMenuConfigurator.configureAttachmentMenu(conversation, menu, TextUtils.isEmpty(binding.textinput.getText()));
1378            ConversationMenuConfigurator.configureEncryptionMenu(conversation, menu);
1379            if (conversation.getBooleanAttribute(Conversation.ATTRIBUTE_PINNED_ON_TOP, false)) {
1380                menuTogglePinned.setTitle(R.string.remove_from_favorites);
1381            } else {
1382                menuTogglePinned.setTitle(R.string.add_to_favorites);
1383            }
1384        }
1385        super.onCreateOptionsMenu(menu, menuInflater);
1386    }
1387
1388    @Override
1389    public View onCreateView(
1390            final LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
1391        this.binding =
1392                DataBindingUtil.inflate(inflater, R.layout.fragment_conversation, container, false);
1393        binding.getRoot().setOnClickListener(null); // TODO why the fuck did we do this?
1394
1395        binding.textinput.setOnEditorActionListener(mEditorActionListener);
1396        binding.textinput.setRichContentListener(new String[] {"image/*"}, mEditorContentListener);
1397        DisplayMetrics displayMetrics = new DisplayMetrics();
1398        activity.getWindowManager().getDefaultDisplay().getMetrics(displayMetrics);
1399        if (displayMetrics.heightPixels > 0) binding.textinput.setMaxHeight(displayMetrics.heightPixels / 4);
1400
1401        binding.textSendButton.setOnClickListener(this.mSendButtonListener);
1402        binding.contextPreviewCancel.setOnClickListener((v) -> {
1403            setThread(null);
1404            conversation.setUserSelectedThread(false);
1405            setupReply(null);
1406        });
1407        binding.requestVoice.setOnClickListener((v) -> {
1408            activity.xmppConnectionService.requestVoice(conversation.getAccount(), conversation.getJid());
1409            binding.requestVoice.setVisibility(View.GONE);
1410            Toast.makeText(activity, "Your request has been sent to the moderators", Toast.LENGTH_SHORT).show();
1411        });
1412
1413        binding.scrollToBottomButton.setOnClickListener(this.mScrollButtonListener);
1414        binding.messagesView.setOnScrollListener(mOnScrollListener);
1415        binding.messagesView.setTranscriptMode(ListView.TRANSCRIPT_MODE_NORMAL);
1416        mediaPreviewAdapter = new MediaPreviewAdapter(this);
1417        binding.mediaPreview.setAdapter(mediaPreviewAdapter);
1418        messageListAdapter = new MessageAdapter((XmppActivity) getActivity(), this.messageList);
1419        messageListAdapter.setOnContactPictureClicked(this);
1420        messageListAdapter.setOnContactPictureLongClicked(this);
1421        messageListAdapter.setOnInlineImageLongClicked(this);
1422        messageListAdapter.setConversationFragment(this);
1423        binding.messagesView.setAdapter(messageListAdapter);
1424
1425        binding.textinput.addTextChangedListener(
1426                new StylingHelper.MessageEditorStyler(binding.textinput, messageListAdapter));
1427
1428        registerForContextMenu(binding.messagesView);
1429        registerForContextMenu(binding.textSendButton);
1430
1431        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
1432            this.binding.textinput.setCustomInsertionActionModeCallback(
1433                    new EditMessageActionModeCallback(this.binding.textinput));
1434        }
1435
1436        messageListAdapter.setOnMessageBoxClicked(message -> {
1437            if (message.isPrivateMessage()) privateMessageWith(message.getCounterpart());
1438            setThread(message.getThread());
1439            conversation.setUserSelectedThread(true);
1440        });
1441
1442        messageListAdapter.setOnMessageBoxSwiped(message -> {
1443            quoteMessage(message);
1444        });
1445
1446        binding.threadIdenticonLayout.setOnClickListener(v -> {
1447            boolean wasLocked = conversation.getLockThread();
1448            conversation.setLockThread(false);
1449            backPressedLeaveSingleThread.setEnabled(false);
1450            if (wasLocked) {
1451                setThread(null);
1452                conversation.setUserSelectedThread(false);
1453                refresh();
1454                updateThreadFromLastMessage();
1455            } else {
1456                newThread();
1457                conversation.setUserSelectedThread(true);
1458                newThreadTutorialToast("Switched to new thread");
1459            }
1460        });
1461
1462        binding.threadIdenticonLayout.setOnLongClickListener(v -> {
1463            boolean wasLocked = conversation.getLockThread();
1464            conversation.setLockThread(false);
1465            backPressedLeaveSingleThread.setEnabled(false);
1466            setThread(null);
1467            conversation.setUserSelectedThread(true);
1468            if (wasLocked) refresh();
1469            newThreadTutorialToast("Cleared thread");
1470            return true;
1471        });
1472
1473        final Pattern lastColonPattern = Pattern.compile("(?<!\\w):");
1474        emojiSearchBinding = DataBindingUtil.inflate(inflater, R.layout.emoji_search, null, false);
1475        emojiSearchBinding.emoji.setOnItemClickListener((parent, view, position, id) -> {
1476            EmojiSearch.EmojiSearchAdapter adapter = ((EmojiSearch.EmojiSearchAdapter) emojiSearchBinding.emoji.getAdapter());
1477            Editable toInsert = adapter.getItem(position).toInsert();
1478            toInsert.append(" ");
1479            Editable s = binding.textinput.getText();
1480
1481            Matcher lastColonMatcher = lastColonPattern.matcher(s);
1482            int lastColon = -1;
1483            while(lastColonMatcher.find()) lastColon = lastColonMatcher.end();
1484            if (lastColon > 0) s.replace(lastColon - 1, s.length(), toInsert, 0, toInsert.length());
1485        });
1486        setupEmojiSearch();
1487        int popupHeight = (int) displayMetrics.density * 200;
1488        emojiPopup = new PopupWindow(emojiSearchBinding.getRoot(), WindowManager.LayoutParams.MATCH_PARENT, Math.min(popupHeight, displayMetrics.heightPixels > 0 ? displayMetrics.heightPixels / 5 : popupHeight));
1489        Handler emojiDebounce = new Handler(Looper.getMainLooper());
1490        final Pattern notEmojiSearch = Pattern.compile("[^\\w\\(\\)\\+'\\-]");
1491        binding.textinput.addTextChangedListener(new TextWatcher() {
1492            @Override
1493            public void afterTextChanged(Editable s) {
1494                emojiDebounce.removeCallbacksAndMessages(null);
1495                emojiDebounce.postDelayed(() -> {
1496                    Matcher lastColonMatcher = lastColonPattern.matcher(s);
1497                    int lastColon = -1;
1498                    while(lastColonMatcher.find()) lastColon = lastColonMatcher.end();
1499                    if (lastColon < 0) {
1500                        emojiPopup.dismiss();
1501                        return;
1502                    }
1503                    final String q = s.toString().substring(lastColon);
1504                    if (notEmojiSearch.matcher(q).find()) {
1505                        emojiPopup.dismiss();
1506                    } else {
1507                        EmojiSearch.EmojiSearchAdapter adapter = ((EmojiSearch.EmojiSearchAdapter) emojiSearchBinding.emoji.getAdapter());
1508                        if (adapter != null) {
1509                            adapter.search(q);
1510                            emojiPopup.showAsDropDown(binding.textsend);
1511                        }
1512                    }
1513                }, 400L);
1514            }
1515
1516            @Override
1517            public void beforeTextChanged(CharSequence s, int start, int count, int after) { }
1518
1519            @Override
1520            public void onTextChanged(CharSequence s, int start, int count, int after) { }
1521        });
1522
1523        return binding.getRoot();
1524    }
1525
1526    protected void setupEmojiSearch() {
1527        if (activity != null && activity.xmppConnectionService != null) {
1528            if (!activity.xmppConnectionService.getBooleanPreference("message_autocomplete", R.bool.message_autocomplete)) {
1529                emojiSearch = null;
1530                if (emojiSearchBinding != null) emojiSearchBinding.emoji.setAdapter(null);
1531                return;
1532            }
1533            if (emojiSearch == null) {
1534                emojiSearch = activity.xmppConnectionService.emojiSearch();
1535            }
1536        }
1537        if (emojiSearch == null || emojiSearchBinding == null) return;
1538
1539        emojiSearchBinding.emoji.setAdapter(emojiSearch.makeAdapter(activity));
1540    }
1541
1542    protected void newThreadTutorialToast(String s) {
1543        if (activity == null) return;
1544        final SharedPreferences p = PreferenceManager.getDefaultSharedPreferences(activity);
1545        final int tutorialCount = p.getInt("thread_tutorial", 0);
1546        if (tutorialCount < 5) {
1547            Toast.makeText(activity, s, Toast.LENGTH_SHORT).show();
1548            p.edit().putInt("thread_tutorial", tutorialCount + 1).apply();
1549        }
1550    }
1551
1552    @Override
1553    public void onDestroyView() {
1554        super.onDestroyView();
1555        Log.d(Config.LOGTAG, "ConversationFragment.onDestroyView()");
1556        messageListAdapter.setOnContactPictureClicked(null);
1557        messageListAdapter.setOnContactPictureLongClicked(null);
1558        messageListAdapter.setOnInlineImageLongClicked(null);
1559        messageListAdapter.setConversationFragment(null);
1560        binding.conversationViewPager.setAdapter(null);
1561        if (conversation != null) conversation.setupViewPager(null, null, false, null);
1562    }
1563
1564    public void quoteText(String text) {
1565        if (binding.textinput.isEnabled()) {
1566            binding.textinput.insertAsQuote(text);
1567            binding.textinput.requestFocus();
1568            InputMethodManager inputMethodManager =
1569                    (InputMethodManager)
1570                            getActivity().getSystemService(Context.INPUT_METHOD_SERVICE);
1571            if (inputMethodManager != null) {
1572                inputMethodManager.showSoftInput(
1573                        binding.textinput, InputMethodManager.SHOW_IMPLICIT);
1574            }
1575        }
1576    }
1577
1578    private void quoteMessage(Message message) {
1579        if (message.isPrivateMessage()) privateMessageWith(message.getCounterpart());
1580        setThread(message.getThread());
1581        conversation.setUserSelectedThread(true);
1582        if (!forkNullThread(message)) newThread();
1583        setupReply(message);
1584    }
1585
1586    private boolean forkNullThread(Message message) {
1587        if (message.getThread() != null || conversation.getMode() != Conversation.MODE_MULTI) return true;
1588        for (final Message m : conversation.findReplies(message.getServerMsgId())) {
1589            final Element thread = m.getThread();
1590            if (thread != null) {
1591                setThread(thread);
1592                return true;
1593            }
1594        }
1595
1596        return false;
1597    }
1598
1599    private void setupReply(Message message) {
1600        conversation.setReplyTo(message);
1601        if (message == null) {
1602            binding.contextPreview.setVisibility(View.GONE);
1603            binding.textsend.setBackgroundResource(R.drawable.textsend);
1604            return;
1605        }
1606
1607        SpannableStringBuilder body = message.getSpannableBody(null, null);
1608        if (message.isFileOrImage() || message.isOOb()) body.append(" 🖼️");
1609        messageListAdapter.handleTextQuotes(binding.contextPreviewText, body);
1610        binding.contextPreviewText.setText(body);
1611        binding.contextPreview.setVisibility(View.VISIBLE);
1612    }
1613
1614    private void setThread(Element thread) {
1615        this.conversation.setThread(thread);
1616        binding.threadIdenticon.setAlpha(0f);
1617        binding.threadIdenticonLock.setVisibility(this.conversation.getLockThread() ? View.VISIBLE : View.GONE);
1618        if (thread != null) {
1619            final String threadId = thread.getContent();
1620            if (threadId != null) {
1621                binding.threadIdenticon.setAlpha(1f);
1622                binding.threadIdenticon.setColor(UIHelper.getColorForName(threadId));
1623                binding.threadIdenticon.setHash(UIHelper.identiconHash(threadId));
1624            }
1625        }
1626        updateSendButton();
1627    }
1628
1629    @Override
1630    public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
1631        // This should cancel any remaining click events that would otherwise trigger links
1632        v.dispatchTouchEvent(MotionEvent.obtain(0, 0, MotionEvent.ACTION_CANCEL, 0f, 0f, 0));
1633
1634        if (v == binding.textSendButton) {
1635            super.onCreateContextMenu(menu, v, menuInfo);
1636            try {
1637                java.lang.reflect.Method m = menu.getClass().getSuperclass().getDeclaredMethod("setOptionalIconsVisible", Boolean.TYPE);
1638                m.setAccessible(true);
1639                m.invoke(menu, true);
1640            } catch (Exception e) {
1641                e.printStackTrace();
1642            }
1643            Menu tmpMenu = new PopupMenu(activity, null).getMenu();
1644            activity.getMenuInflater().inflate(R.menu.fragment_conversation, tmpMenu);
1645            MenuItem attachMenu = tmpMenu.findItem(R.id.action_attach_file);
1646            for (int i = 0; i < attachMenu.getSubMenu().size(); i++) {
1647                MenuItem item = attachMenu.getSubMenu().getItem(i);
1648                MenuItem newItem = menu.add(item.getGroupId(), item.getItemId(), item.getOrder(), item.getTitle());
1649                newItem.setIcon(item.getIcon());
1650            }
1651            ConversationMenuConfigurator.configureAttachmentMenu(conversation, menu, TextUtils.isEmpty(binding.textinput.getText()));
1652            return;
1653        }
1654
1655        synchronized (this.messageList) {
1656            super.onCreateContextMenu(menu, v, menuInfo);
1657            AdapterView.AdapterContextMenuInfo acmi = (AdapterContextMenuInfo) menuInfo;
1658            this.selectedMessage = this.messageList.get(acmi.position);
1659            populateContextMenu(menu);
1660        }
1661    }
1662
1663    private void populateContextMenu(ContextMenu menu) {
1664        final Message m = this.selectedMessage;
1665        final Transferable t = m.getTransferable();
1666        Message relevantForCorrection = m;
1667        while (relevantForCorrection.mergeable(relevantForCorrection.next())) {
1668            relevantForCorrection = relevantForCorrection.next();
1669        }
1670        if (m.getType() != Message.TYPE_STATUS && m.getType() != Message.TYPE_RTP_SESSION) {
1671
1672            if (m.getEncryption() == Message.ENCRYPTION_AXOLOTL_NOT_FOR_THIS_DEVICE
1673                    || m.getEncryption() == Message.ENCRYPTION_AXOLOTL_FAILED) {
1674                return;
1675            }
1676
1677            if (m.getStatus() == Message.STATUS_RECEIVED
1678                    && t != null
1679                    && (t.getStatus() == Transferable.STATUS_CANCELLED
1680                            || t.getStatus() == Transferable.STATUS_FAILED)) {
1681                return;
1682            }
1683
1684            final boolean deleted = m.isDeleted();
1685            final boolean encrypted =
1686                    m.getEncryption() == Message.ENCRYPTION_DECRYPTION_FAILED
1687                            || m.getEncryption() == Message.ENCRYPTION_PGP;
1688            final boolean receiving =
1689                    m.getStatus() == Message.STATUS_RECEIVED
1690                            && (t instanceof JingleFileTransferConnection
1691                                    || t instanceof HttpDownloadConnection);
1692            activity.getMenuInflater().inflate(R.menu.message_context, menu);
1693            final MenuItem reportAndBlock = menu.findItem(R.id.action_report_and_block);
1694            MenuItem openWith = menu.findItem(R.id.open_with);
1695            MenuItem copyMessage = menu.findItem(R.id.copy_message);
1696            MenuItem quoteMessage = menu.findItem(R.id.quote_message);
1697            MenuItem retryDecryption = menu.findItem(R.id.retry_decryption);
1698            MenuItem correctMessage = menu.findItem(R.id.correct_message);
1699            MenuItem retractMessage = menu.findItem(R.id.retract_message);
1700            MenuItem moderateMessage = menu.findItem(R.id.moderate_message);
1701            MenuItem onlyThisThread = menu.findItem(R.id.only_this_thread);
1702            MenuItem shareWith = menu.findItem(R.id.share_with);
1703            MenuItem sendAgain = menu.findItem(R.id.send_again);
1704            MenuItem copyUrl = menu.findItem(R.id.copy_url);
1705            MenuItem saveAsSticker = menu.findItem(R.id.save_as_sticker);
1706            MenuItem downloadFile = menu.findItem(R.id.download_file);
1707            MenuItem cancelTransmission = menu.findItem(R.id.cancel_transmission);
1708            MenuItem blockMedia = menu.findItem(R.id.block_media);
1709            MenuItem deleteFile = menu.findItem(R.id.delete_file);
1710            MenuItem showErrorMessage = menu.findItem(R.id.show_error_message);
1711            onlyThisThread.setVisible(!conversation.getLockThread() && m.getThread() != null);
1712            final boolean unInitiatedButKnownSize = MessageUtils.unInitiatedButKnownSize(m);
1713            final boolean showError =
1714                    m.getStatus() == Message.STATUS_SEND_FAILED
1715                            && m.getErrorMessage() != null
1716                            && !Message.ERROR_MESSAGE_CANCELLED.equals(m.getErrorMessage());
1717            final Conversational conversational = m.getConversation();
1718            if (m.getStatus() == Message.STATUS_RECEIVED && conversational instanceof Conversation c) {
1719                final XmppConnection connection = c.getAccount().getXmppConnection();
1720                if (c.isWithStranger()
1721                        && m.getServerMsgId() != null
1722                        && !c.isBlocked()
1723                        && connection != null
1724                        && connection.getFeatures().spamReporting()) {
1725                    reportAndBlock.setVisible(true);
1726                }
1727            }
1728            if (!encrypted && !m.getBody().equals("")) {
1729                copyMessage.setVisible(true);
1730            }
1731            quoteMessage.setVisible(!encrypted && !showError);
1732            if (m.getEncryption() == Message.ENCRYPTION_DECRYPTION_FAILED && !deleted) {
1733                retryDecryption.setVisible(true);
1734            }
1735            if (!showError
1736                    && relevantForCorrection.getType() == Message.TYPE_TEXT
1737                    && !m.isGeoUri()
1738                    && relevantForCorrection.isLastCorrectableMessage()
1739                    && m.getConversation() instanceof Conversation) {
1740                correctMessage.setVisible(true);
1741                if (!relevantForCorrection.getBody().equals("") && !relevantForCorrection.getBody().equals(" ")) retractMessage.setVisible(true);
1742            }
1743            if (relevantForCorrection.getStatus() == Message.STATUS_WAITING) {
1744                correctMessage.setVisible(true);
1745                retractMessage.setVisible(true);
1746            }
1747            if (relevantForCorrection.getReactions() != null) {
1748                correctMessage.setVisible(false);
1749                retractMessage.setVisible(true);
1750            }
1751            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")) {
1752                moderateMessage.setVisible(true);
1753            }
1754            if ((m.isFileOrImage() && !deleted && !receiving)
1755                    || (m.getType() == Message.TYPE_TEXT && !m.treatAsDownloadable())
1756                            && !unInitiatedButKnownSize
1757                            && t == null) {
1758                shareWith.setVisible(true);
1759            }
1760            if (m.getStatus() == Message.STATUS_SEND_FAILED) {
1761                sendAgain.setVisible(true);
1762            }
1763            if (m.hasFileOnRemoteHost()
1764                    || m.isGeoUri()
1765                    || m.treatAsDownloadable()
1766                    || unInitiatedButKnownSize
1767                    || t instanceof HttpDownloadConnection) {
1768                copyUrl.setVisible(true);
1769            }
1770            if (m.isFileOrImage() && deleted && m.hasFileOnRemoteHost()) {
1771                downloadFile.setVisible(true);
1772                downloadFile.setTitle(
1773                        activity.getString(
1774                                R.string.download_x_file,
1775                                UIHelper.getFileDescriptionString(activity, m)));
1776            }
1777            final boolean waitingOfferedSending =
1778                    m.getStatus() == Message.STATUS_WAITING
1779                            || m.getStatus() == Message.STATUS_UNSEND
1780                            || m.getStatus() == Message.STATUS_OFFERED;
1781            final boolean cancelable =
1782                    (t != null && !deleted) || waitingOfferedSending && m.needsUploading();
1783            if (cancelable) {
1784                cancelTransmission.setVisible(true);
1785            }
1786            if (m.isFileOrImage() && !deleted && !cancelable) {
1787                final String path = m.getRelativeFilePath();
1788                if (path == null
1789                        || !path.startsWith("/")
1790                        || FileBackend.inConversationsDirectory(requireActivity(), path)) {
1791                    saveAsSticker.setVisible(true);
1792                    blockMedia.setVisible(true);
1793                    deleteFile.setVisible(true);
1794                    deleteFile.setTitle(
1795                            activity.getString(
1796                                    R.string.delete_x_file,
1797                                    UIHelper.getFileDescriptionString(activity, m)));
1798                }
1799            }
1800
1801            if (m.getFileParams() != null && !m.getFileParams().getThumbnails().isEmpty()) {
1802                // We might be showing a thumbnail worth blocking
1803                blockMedia.setVisible(true);
1804            }
1805            if (showError) {
1806                showErrorMessage.setVisible(true);
1807            }
1808            final String mime = m.isFileOrImage() ? m.getMimeType() : null;
1809            if ((m.isGeoUri() && GeoHelper.openInOsmAnd(getActivity(), m))
1810                    || (mime != null && mime.startsWith("audio/"))) {
1811                openWith.setVisible(true);
1812            }
1813        }
1814    }
1815
1816    @Override
1817    public boolean onContextItemSelected(MenuItem item) {
1818        switch (item.getItemId()) {
1819            case R.id.share_with:
1820                ShareUtil.share(activity, selectedMessage);
1821                return true;
1822            case R.id.correct_message:
1823                correctMessage(selectedMessage);
1824                return true;
1825            case R.id.retract_message:
1826                new AlertDialog.Builder(activity)
1827                    .setTitle(R.string.retract_message)
1828                    .setMessage("Do you really want to retract this message?")
1829                    .setPositiveButton(R.string.yes, (dialog, whichButton) -> {
1830                        Message message = selectedMessage;
1831                        while (message.mergeable(message.next())) {
1832                            message = message.next();
1833                        }
1834                        if (message.getStatus() == Message.STATUS_WAITING || message.getStatus() == Message.STATUS_OFFERED) {
1835                            activity.xmppConnectionService.deleteMessage(message);
1836                            return;
1837                        }
1838                        Element reactions = message.getReactions();
1839                        if (reactions != null) {
1840                            final Message previousReaction = conversation.findMessageReactingTo(reactions.getAttribute("id"), null);
1841                            if (previousReaction != null) reactions = previousReaction.getReactions();
1842                            for (Element el : reactions.getChildren()) {
1843                                if (message.getRawBody().endsWith(el.getContent())) {
1844                                    reactions.removeChild(el);
1845                                }
1846                            }
1847                            message.setReactions(reactions);
1848                            if (previousReaction != null) {
1849                                previousReaction.setReactions(reactions);
1850                                activity.xmppConnectionService.updateMessage(previousReaction);
1851                            }
1852                        } else {
1853                            message.setInReplyTo(null);
1854                            message.clearPayloads();
1855                        }
1856                        message.setBody(" ");
1857                        message.setSubject(null);
1858                        message.putEdited(message.getUuid(), message.getServerMsgId());
1859                        message.setServerMsgId(null);
1860                        message.setUuid(UUID.randomUUID().toString());
1861                        sendMessage(message);
1862                    })
1863                    .setNegativeButton(R.string.no, null).show();
1864                return true;
1865            case R.id.moderate_message:
1866                activity.quickEdit("Spam", (reason) -> {
1867                    Message message = selectedMessage;
1868                    do {
1869                        activity.xmppConnectionService.moderateMessage(conversation.getAccount(), message, reason);
1870                        message = message.mergeable(message.next()) ? message.next() : null;
1871                    } while (message != null);
1872                    return null;
1873                }, R.string.moderate_reason, false, false, true);
1874                return true;
1875            case R.id.copy_message:
1876                ShareUtil.copyToClipboard(activity, selectedMessage);
1877                return true;
1878            case R.id.quote_message:
1879                quoteMessage(selectedMessage);
1880                return true;
1881            case R.id.send_again:
1882                resendMessage(selectedMessage);
1883                return true;
1884            case R.id.copy_url:
1885                ShareUtil.copyUrlToClipboard(activity, selectedMessage);
1886                return true;
1887            case R.id.save_as_sticker:
1888                saveAsSticker(selectedMessage);
1889                return true;
1890            case R.id.download_file:
1891                startDownloadable(selectedMessage);
1892                return true;
1893            case R.id.cancel_transmission:
1894                cancelTransmission(selectedMessage);
1895                return true;
1896            case R.id.retry_decryption:
1897                retryDecryption(selectedMessage);
1898                return true;
1899            case R.id.block_media:
1900                new AlertDialog.Builder(activity)
1901                    .setTitle(R.string.block_media)
1902                    .setMessage("Do you really want to block this media in all messages?")
1903                    .setPositiveButton(R.string.yes, (dialog, whichButton) -> {
1904                        List<Element> thumbs = selectedMessage.getFileParams() != null ? selectedMessage.getFileParams().getThumbnails() : null;
1905                        if (thumbs != null && !thumbs.isEmpty()) {
1906                            for (Element thumb : thumbs) {
1907                                Uri uri = Uri.parse(thumb.getAttribute("uri"));
1908                                if (uri.getScheme().equals("cid")) {
1909                                    Cid cid = BobTransfer.cid(uri);
1910                                    if (cid == null) continue;
1911                                    DownloadableFile f = activity.xmppConnectionService.getFileForCid(cid);
1912                                    activity.xmppConnectionService.blockMedia(f);
1913                                    activity.xmppConnectionService.evictPreview(f);
1914                                    f.delete();
1915                                }
1916                            }
1917                        }
1918                        File f = activity.xmppConnectionService.getFileBackend().getFile(selectedMessage);
1919                        activity.xmppConnectionService.blockMedia(f);
1920                        activity.xmppConnectionService.getFileBackend().deleteFile(selectedMessage);
1921                        activity.xmppConnectionService.evictPreview(f);
1922                        activity.xmppConnectionService.updateMessage(selectedMessage, false);
1923                        activity.onConversationsListItemUpdated();
1924                        refresh();
1925                    })
1926                    .setNegativeButton(R.string.no, null).show();
1927                return true;
1928            case R.id.delete_file:
1929                deleteFile(selectedMessage);
1930                return true;
1931            case R.id.show_error_message:
1932                showErrorMessage(selectedMessage);
1933                return true;
1934            case R.id.open_with:
1935                openWith(selectedMessage);
1936                return true;
1937            case R.id.only_this_thread:
1938                conversation.setLockThread(true);
1939                backPressedLeaveSingleThread.setEnabled(true);
1940                setThread(selectedMessage.getThread());
1941                refresh();
1942                return true;
1943            case R.id.action_report_and_block:
1944                reportMessage(selectedMessage);
1945                return true;
1946            default:
1947                return onOptionsItemSelected(item);
1948        }
1949    }
1950
1951    @Override
1952    public boolean onOptionsItemSelected(final MenuItem item) {
1953        if (MenuDoubleTabUtil.shouldIgnoreTap()) {
1954            return false;
1955        } else if (conversation == null) {
1956            return super.onOptionsItemSelected(item);
1957        }
1958        switch (item.getItemId()) {
1959            case R.id.encryption_choice_axolotl:
1960            case R.id.encryption_choice_pgp:
1961            case R.id.encryption_choice_none:
1962                handleEncryptionSelection(item);
1963                break;
1964            case R.id.attach_choose_picture:
1965            case R.id.attach_take_picture:
1966            case R.id.attach_record_video:
1967            case R.id.attach_choose_file:
1968            case R.id.attach_record_voice:
1969            case R.id.attach_location:
1970                handleAttachmentSelection(item);
1971                break;
1972            case R.id.attach_subject:
1973                binding.textinputSubject.setVisibility(binding.textinputSubject.getVisibility() == View.GONE ? View.VISIBLE : View.GONE);
1974                break;
1975            case R.id.attach_schedule:
1976                scheduleMessage();
1977                break;
1978            case R.id.action_search:
1979                startSearch();
1980                break;
1981            case R.id.action_archive:
1982                activity.xmppConnectionService.archiveConversation(conversation);
1983                break;
1984            case R.id.action_contact_details:
1985                activity.switchToContactDetails(conversation.getContact());
1986                break;
1987            case R.id.action_muc_details:
1988                ConferenceDetailsActivity.open(activity, conversation);
1989                break;
1990            case R.id.action_invite:
1991                startActivityForResult(
1992                        ChooseContactActivity.create(activity, conversation),
1993                        REQUEST_INVITE_TO_CONVERSATION);
1994                break;
1995            case R.id.action_clear_history:
1996                clearHistoryDialog(conversation);
1997                break;
1998            case R.id.action_mute:
1999                muteConversationDialog(conversation);
2000                break;
2001            case R.id.action_unmute:
2002                unMuteConversation(conversation);
2003                break;
2004            case R.id.action_block:
2005            case R.id.action_unblock:
2006                BlockContactDialog.show(activity, conversation);
2007                break;
2008            case R.id.action_audio_call:
2009                checkPermissionAndTriggerAudioCall();
2010                break;
2011            case R.id.action_video_call:
2012                checkPermissionAndTriggerVideoCall();
2013                break;
2014            case R.id.action_ongoing_call:
2015                returnToOngoingCall();
2016                break;
2017            case R.id.action_toggle_pinned:
2018                togglePinned();
2019                break;
2020            case R.id.action_add_shortcut:
2021                addShortcut();
2022                break;
2023            case R.id.action_block_avatar:
2024                new AlertDialog.Builder(activity)
2025                    .setTitle(R.string.block_media)
2026                    .setMessage("Do you really want to block this avatar?")
2027                    .setPositiveButton(R.string.yes, (dialog, whichButton) -> {
2028                            activity.xmppConnectionService.blockMedia(activity.xmppConnectionService.getFileBackend().getAvatarFile(conversation.getContact().getAvatarFilename()));
2029                            activity.xmppConnectionService.getFileBackend().getAvatarFile(conversation.getContact().getAvatarFilename()).delete();
2030                            activity.avatarService().clear(conversation);
2031                            conversation.getContact().setAvatar(null);
2032                            activity.xmppConnectionService.updateConversationUi();
2033                    })
2034                    .setNegativeButton(R.string.no, null).show();
2035            case R.id.action_refresh_feature_discovery:
2036                refreshFeatureDiscovery();
2037                break;
2038            default:
2039                break;
2040        }
2041        return super.onOptionsItemSelected(item);
2042    }
2043
2044    public boolean onBackPressed() {
2045        boolean wasLocked = conversation.getLockThread();
2046        conversation.setLockThread(false);
2047        backPressedLeaveSingleThread.setEnabled(false);
2048        if (wasLocked) {
2049            setThread(null);
2050            conversation.setUserSelectedThread(false);
2051            refresh();
2052            updateThreadFromLastMessage();
2053            return true;
2054        }
2055        return false;
2056    }
2057
2058    private void startSearch() {
2059        final Intent intent = new Intent(getActivity(), SearchActivity.class);
2060        intent.putExtra(SearchActivity.EXTRA_CONVERSATION_UUID, conversation.getUuid());
2061        startActivity(intent);
2062    }
2063
2064    private void scheduleMessage() {
2065        if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.N) {
2066            final var datePicker = com.google.android.material.datepicker.MaterialDatePicker.Builder.datePicker()
2067                .setTitleText("Schedule Message")
2068                .setSelection(com.google.android.material.datepicker.MaterialDatePicker.todayInUtcMilliseconds())
2069                .setCalendarConstraints(
2070                    new com.google.android.material.datepicker.CalendarConstraints.Builder()
2071                        .setStart(com.google.android.material.datepicker.MaterialDatePicker.todayInUtcMilliseconds())
2072                        .build()
2073                 )
2074                .build();
2075            datePicker.addOnPositiveButtonClickListener((date) -> {
2076                final Calendar now = Calendar.getInstance();
2077                final var timePicker = new com.google.android.material.timepicker.MaterialTimePicker.Builder()
2078                    .setTitleText("Schedule Message")
2079                    .setHour(now.get(Calendar.HOUR_OF_DAY))
2080                    .setMinute(now.get(Calendar.MINUTE))
2081                    .setTimeFormat(android.text.format.DateFormat.is24HourFormat(activity) ? com.google.android.material.timepicker.TimeFormat.CLOCK_24H : com.google.android.material.timepicker.TimeFormat.CLOCK_12H)
2082                    .build();
2083                timePicker.addOnPositiveButtonClickListener((v2) -> {
2084                        final var dateCal = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
2085                        dateCal.setTimeInMillis(date);
2086                        final var time = Calendar.getInstance();
2087                        time.set(dateCal.get(Calendar.YEAR), dateCal.get(Calendar.MONTH), dateCal.get(Calendar.DAY_OF_MONTH), timePicker.getHour(), timePicker.getMinute(), 0);
2088                        final long timestamp = time.getTimeInMillis();
2089                        sendMessage(timestamp);
2090                        Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": scheduled message for " + timestamp);
2091                    });
2092                timePicker.show(activity.getSupportFragmentManager(), "schedulMessageTime");
2093            });
2094            datePicker.show(activity.getSupportFragmentManager(), "schedulMessageDate");
2095        }
2096    }
2097
2098    private void returnToOngoingCall() {
2099        final Optional<OngoingRtpSession> ongoingRtpSession =
2100                activity.xmppConnectionService
2101                        .getJingleConnectionManager()
2102                        .getOngoingRtpConnection(conversation.getContact());
2103        if (ongoingRtpSession.isPresent()) {
2104            final OngoingRtpSession id = ongoingRtpSession.get();
2105            final Intent intent = new Intent(getActivity(), RtpSessionActivity.class);
2106            intent.setAction(Intent.ACTION_VIEW);
2107            intent.putExtra(
2108                    RtpSessionActivity.EXTRA_ACCOUNT,
2109                    id.getAccount().getJid().asBareJid().toEscapedString());
2110            intent.putExtra(RtpSessionActivity.EXTRA_WITH, id.getWith().toEscapedString());
2111            if (id instanceof AbstractJingleConnection) {
2112                intent.putExtra(RtpSessionActivity.EXTRA_SESSION_ID, id.getSessionId());
2113                startActivity(intent);
2114            } else if (id instanceof JingleConnectionManager.RtpSessionProposal proposal) {
2115                if (Media.audioOnly(proposal.media)) {
2116                    intent.putExtra(
2117                            RtpSessionActivity.EXTRA_LAST_ACTION,
2118                            RtpSessionActivity.ACTION_MAKE_VOICE_CALL);
2119                } else {
2120                    intent.putExtra(
2121                            RtpSessionActivity.EXTRA_LAST_ACTION,
2122                            RtpSessionActivity.ACTION_MAKE_VIDEO_CALL);
2123                }
2124                intent.putExtra(RtpSessionActivity.EXTRA_PROPOSED_SESSION_ID, proposal.sessionId);
2125                startActivity(intent);
2126            }
2127        }
2128    }
2129
2130    private void refreshFeatureDiscovery() {
2131        Set<Map.Entry<String, Presence>> presences = conversation.getContact().getPresences().getPresencesMap().entrySet();
2132        if (presences.isEmpty()) {
2133            presences = new HashSet<>();
2134            presences.add(new AbstractMap.SimpleEntry("", null));
2135        }
2136        for (Map.Entry<String, Presence> entry : presences) {
2137            Jid jid = conversation.getContact().getJid();
2138            if (!entry.getKey().equals("")) jid = jid.withResource(entry.getKey());
2139            activity.xmppConnectionService.fetchCaps(conversation.getAccount(), jid, entry.getValue(), () -> {
2140                if (activity == null) return;
2141                activity.runOnUiThread(() -> {
2142                    refresh();
2143                    refreshCommands(true);
2144                });
2145            });
2146        }
2147    }
2148
2149    private void addShortcut() {
2150        ShortcutInfoCompat info;
2151        if (conversation.getMode() == Conversation.MODE_MULTI) {
2152            info = activity.xmppConnectionService.getShortcutService().getShortcutInfoCompat(conversation.getMucOptions());
2153        } else {
2154            info = activity.xmppConnectionService.getShortcutService().getShortcutInfoCompat(conversation.getContact());
2155        }
2156        ShortcutManagerCompat.requestPinShortcut(activity, info, null);
2157    }
2158
2159    private void togglePinned() {
2160        final boolean pinned =
2161                conversation.getBooleanAttribute(Conversation.ATTRIBUTE_PINNED_ON_TOP, false);
2162        conversation.setAttribute(Conversation.ATTRIBUTE_PINNED_ON_TOP, !pinned);
2163        activity.xmppConnectionService.updateConversation(conversation);
2164        activity.invalidateOptionsMenu();
2165    }
2166
2167    private void checkPermissionAndTriggerAudioCall() {
2168        if (activity.mUseTor || conversation.getAccount().isOnion()) {
2169            Toast.makeText(activity, R.string.disable_tor_to_make_call, Toast.LENGTH_SHORT).show();
2170            return;
2171        }
2172        final List<String> permissions;
2173        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
2174            permissions =
2175                    Arrays.asList(
2176                            Manifest.permission.RECORD_AUDIO,
2177                            Manifest.permission.BLUETOOTH_CONNECT);
2178        } else {
2179            permissions = Collections.singletonList(Manifest.permission.RECORD_AUDIO);
2180        }
2181        if (hasPermissions(REQUEST_START_AUDIO_CALL, permissions)) {
2182            triggerRtpSession(RtpSessionActivity.ACTION_MAKE_VOICE_CALL);
2183        }
2184    }
2185
2186    private void checkPermissionAndTriggerVideoCall() {
2187        if (activity.mUseTor || conversation.getAccount().isOnion()) {
2188            Toast.makeText(activity, R.string.disable_tor_to_make_call, Toast.LENGTH_SHORT).show();
2189            return;
2190        }
2191        final List<String> permissions;
2192        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
2193            permissions =
2194                    Arrays.asList(
2195                            Manifest.permission.RECORD_AUDIO,
2196                            Manifest.permission.CAMERA,
2197                            Manifest.permission.BLUETOOTH_CONNECT);
2198        } else {
2199            permissions =
2200                    Arrays.asList(Manifest.permission.RECORD_AUDIO, Manifest.permission.CAMERA);
2201        }
2202        if (hasPermissions(REQUEST_START_VIDEO_CALL, permissions)) {
2203            triggerRtpSession(RtpSessionActivity.ACTION_MAKE_VIDEO_CALL);
2204        }
2205    }
2206
2207    private void triggerRtpSession(final String action) {
2208        if (activity.xmppConnectionService.getJingleConnectionManager().isBusy()) {
2209            Toast.makeText(getActivity(), R.string.only_one_call_at_a_time, Toast.LENGTH_LONG)
2210                    .show();
2211            return;
2212        }
2213        final Account account = conversation.getAccount();
2214        if (account.setOption(Account.OPTION_SOFT_DISABLED, false)) {
2215            activity.xmppConnectionService.updateAccount(account);
2216        }
2217        final Contact contact = conversation.getContact();
2218        if (Config.USE_JINGLE_MESSAGE_INIT && RtpCapability.jmiSupport(contact)) {
2219            triggerRtpSession(contact.getAccount(), contact.getJid().asBareJid(), action);
2220        } else {
2221            final RtpCapability.Capability capability;
2222            if (action.equals(RtpSessionActivity.ACTION_MAKE_VIDEO_CALL)) {
2223                capability = RtpCapability.Capability.VIDEO;
2224            } else {
2225                capability = RtpCapability.Capability.AUDIO;
2226            }
2227            PresenceSelector.selectFullJidForDirectRtpConnection(
2228                    activity,
2229                    contact,
2230                    capability,
2231                    fullJid -> {
2232                        triggerRtpSession(contact.getAccount(), fullJid, action);
2233                    });
2234        }
2235    }
2236
2237    private void triggerRtpSession(final Account account, final Jid with, final String action) {
2238        CallIntegrationConnectionService.placeCall(activity.xmppConnectionService, account,with,RtpSessionActivity.actionToMedia(action));
2239    }
2240
2241    private void handleAttachmentSelection(MenuItem item) {
2242        switch (item.getItemId()) {
2243            case R.id.attach_choose_picture:
2244                attachFile(ATTACHMENT_CHOICE_CHOOSE_IMAGE);
2245                break;
2246            case R.id.attach_take_picture:
2247                attachFile(ATTACHMENT_CHOICE_TAKE_PHOTO);
2248                break;
2249            case R.id.attach_record_video:
2250                attachFile(ATTACHMENT_CHOICE_RECORD_VIDEO);
2251                break;
2252            case R.id.attach_choose_file:
2253                attachFile(ATTACHMENT_CHOICE_CHOOSE_FILE);
2254                break;
2255            case R.id.attach_record_voice:
2256                attachFile(ATTACHMENT_CHOICE_RECORD_VOICE);
2257                break;
2258            case R.id.attach_location:
2259                attachFile(ATTACHMENT_CHOICE_LOCATION);
2260                break;
2261        }
2262    }
2263
2264    private void handleEncryptionSelection(MenuItem item) {
2265        if (conversation == null) {
2266            return;
2267        }
2268        final boolean updated;
2269        switch (item.getItemId()) {
2270            case R.id.encryption_choice_none:
2271                updated = conversation.setNextEncryption(Message.ENCRYPTION_NONE);
2272                item.setChecked(true);
2273                break;
2274            case R.id.encryption_choice_pgp:
2275                if (activity.hasPgp()) {
2276                    if (conversation.getAccount().getPgpSignature() != null) {
2277                        updated = conversation.setNextEncryption(Message.ENCRYPTION_PGP);
2278                        item.setChecked(true);
2279                    } else {
2280                        updated = false;
2281                        activity.announcePgp(
2282                                conversation.getAccount(),
2283                                conversation,
2284                                null,
2285                                activity.onOpenPGPKeyPublished);
2286                    }
2287                } else {
2288                    activity.showInstallPgpDialog();
2289                    updated = false;
2290                }
2291                break;
2292            case R.id.encryption_choice_axolotl:
2293                Log.d(
2294                        Config.LOGTAG,
2295                        AxolotlService.getLogprefix(conversation.getAccount())
2296                                + "Enabled axolotl for Contact "
2297                                + conversation.getContact().getJid());
2298                updated = conversation.setNextEncryption(Message.ENCRYPTION_AXOLOTL);
2299                item.setChecked(true);
2300                break;
2301            default:
2302                updated = conversation.setNextEncryption(Message.ENCRYPTION_NONE);
2303                break;
2304        }
2305        if (updated) {
2306            activity.xmppConnectionService.updateConversation(conversation);
2307        }
2308        updateChatMsgHint();
2309        getActivity().invalidateOptionsMenu();
2310        activity.refreshUi();
2311    }
2312
2313    public void attachFile(final int attachmentChoice) {
2314        attachFile(attachmentChoice, true);
2315    }
2316
2317    public void attachFile(final int attachmentChoice, final boolean updateRecentlyUsed) {
2318        if (attachmentChoice == ATTACHMENT_CHOICE_RECORD_VOICE) {
2319            if (!hasPermissions(
2320                    attachmentChoice,
2321                    Manifest.permission.WRITE_EXTERNAL_STORAGE,
2322                    Manifest.permission.RECORD_AUDIO)) {
2323                return;
2324            }
2325        } else if (attachmentChoice == ATTACHMENT_CHOICE_TAKE_PHOTO
2326                || attachmentChoice == ATTACHMENT_CHOICE_RECORD_VIDEO) {
2327            if (!hasPermissions(
2328                    attachmentChoice,
2329                    Manifest.permission.WRITE_EXTERNAL_STORAGE,
2330                    Manifest.permission.CAMERA)) {
2331                return;
2332            }
2333        } else if (attachmentChoice != ATTACHMENT_CHOICE_LOCATION) {
2334            if (!hasPermissions(attachmentChoice, Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
2335                return;
2336            }
2337        }
2338        if (updateRecentlyUsed) {
2339            storeRecentlyUsedQuickAction(attachmentChoice);
2340        }
2341        final int encryption = conversation.getNextEncryption();
2342        final int mode = conversation.getMode();
2343        if (encryption == Message.ENCRYPTION_PGP) {
2344            if (activity.hasPgp()) {
2345                if (mode == Conversation.MODE_SINGLE
2346                        && conversation.getContact().getPgpKeyId() != 0) {
2347                    activity.xmppConnectionService
2348                            .getPgpEngine()
2349                            .hasKey(
2350                                    conversation.getContact(),
2351                                    new UiCallback<Contact>() {
2352
2353                                        @Override
2354                                        public void userInputRequired(
2355                                                PendingIntent pi, Contact contact) {
2356                                            startPendingIntent(pi, attachmentChoice);
2357                                        }
2358
2359                                        @Override
2360                                        public void success(Contact contact) {
2361                                            invokeAttachFileIntent(attachmentChoice);
2362                                        }
2363
2364                                        @Override
2365                                        public void error(int error, Contact contact) {
2366                                            activity.replaceToast(getString(error));
2367                                        }
2368                                    });
2369                } else if (mode == Conversation.MODE_MULTI
2370                        && conversation.getMucOptions().pgpKeysInUse()) {
2371                    if (!conversation.getMucOptions().everybodyHasKeys()) {
2372                        Toast warning =
2373                                Toast.makeText(
2374                                        getActivity(),
2375                                        R.string.missing_public_keys,
2376                                        Toast.LENGTH_LONG);
2377                        warning.setGravity(Gravity.CENTER_VERTICAL, 0, 0);
2378                        warning.show();
2379                    }
2380                    invokeAttachFileIntent(attachmentChoice);
2381                } else {
2382                    showNoPGPKeyDialog(
2383                            false,
2384                            (dialog, which) -> {
2385                                conversation.setNextEncryption(Message.ENCRYPTION_NONE);
2386                                activity.xmppConnectionService.updateConversation(conversation);
2387                                invokeAttachFileIntent(attachmentChoice);
2388                            });
2389                }
2390            } else {
2391                activity.showInstallPgpDialog();
2392            }
2393        } else {
2394            invokeAttachFileIntent(attachmentChoice);
2395        }
2396    }
2397
2398    private void storeRecentlyUsedQuickAction(final int attachmentChoice) {
2399        try {
2400            activity.getPreferences()
2401                    .edit()
2402                    .putString(
2403                            RECENTLY_USED_QUICK_ACTION,
2404                            SendButtonAction.of(attachmentChoice).toString())
2405                    .apply();
2406        } catch (IllegalArgumentException e) {
2407            // just do not save
2408        }
2409    }
2410
2411    @Override
2412    public void onRequestPermissionsResult(
2413            int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
2414        final PermissionUtils.PermissionResult permissionResult =
2415                PermissionUtils.removeBluetoothConnect(permissions, grantResults);
2416        if (grantResults.length > 0) {
2417            if (allGranted(permissionResult.grantResults)) {
2418                switch (requestCode) {
2419                    case REQUEST_START_DOWNLOAD:
2420                        if (this.mPendingDownloadableMessage != null) {
2421                            startDownloadable(this.mPendingDownloadableMessage);
2422                        }
2423                        break;
2424                    case REQUEST_ADD_EDITOR_CONTENT:
2425                        if (this.mPendingEditorContent != null) {
2426                            attachEditorContentToConversation(this.mPendingEditorContent);
2427                        }
2428                        break;
2429                    case REQUEST_COMMIT_ATTACHMENTS:
2430                        commitAttachments();
2431                        break;
2432                    case REQUEST_START_AUDIO_CALL:
2433                        triggerRtpSession(RtpSessionActivity.ACTION_MAKE_VOICE_CALL);
2434                        break;
2435                    case REQUEST_START_VIDEO_CALL:
2436                        triggerRtpSession(RtpSessionActivity.ACTION_MAKE_VIDEO_CALL);
2437                        break;
2438                    default:
2439                        attachFile(requestCode);
2440                        break;
2441                }
2442            } else {
2443                @StringRes int res;
2444                String firstDenied =
2445                        getFirstDenied(permissionResult.grantResults, permissionResult.permissions);
2446                if (Manifest.permission.RECORD_AUDIO.equals(firstDenied)) {
2447                    res = R.string.no_microphone_permission;
2448                } else if (Manifest.permission.CAMERA.equals(firstDenied)) {
2449                    res = R.string.no_camera_permission;
2450                } else {
2451                    res = R.string.no_storage_permission;
2452                }
2453                Toast.makeText(
2454                                getActivity(),
2455                                getString(res, getString(R.string.app_name)),
2456                                Toast.LENGTH_SHORT)
2457                        .show();
2458            }
2459        }
2460        if (writeGranted(grantResults, permissions)) {
2461            if (activity != null && activity.xmppConnectionService != null) {
2462                activity.xmppConnectionService.getDrawableCache().evictAll();
2463                activity.xmppConnectionService.restartFileObserver();
2464            }
2465            refresh();
2466        }
2467        if (cameraGranted(grantResults, permissions) || audioGranted(grantResults, permissions)) {
2468            XmppConnectionService.toggleForegroundService(activity);
2469        }
2470    }
2471
2472    public void startDownloadable(Message message) {
2473        if (!hasPermissions(REQUEST_START_DOWNLOAD, Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
2474            this.mPendingDownloadableMessage = message;
2475            return;
2476        }
2477        Transferable transferable = message.getTransferable();
2478        if (transferable != null) {
2479            if (transferable instanceof TransferablePlaceholder && message.hasFileOnRemoteHost()) {
2480                createNewConnection(message);
2481                return;
2482            }
2483            if (!transferable.start()) {
2484                Log.d(Config.LOGTAG, "type: " + transferable.getClass().getName());
2485                Toast.makeText(getActivity(), R.string.not_connected_try_again, Toast.LENGTH_SHORT)
2486                        .show();
2487            }
2488        } else if (message.treatAsDownloadable()
2489                || message.hasFileOnRemoteHost()
2490                || MessageUtils.unInitiatedButKnownSize(message)) {
2491            createNewConnection(message);
2492        } else {
2493            Log.d(
2494                    Config.LOGTAG,
2495                    message.getConversation().getAccount() + ": unable to start downloadable");
2496        }
2497    }
2498
2499    private void createNewConnection(final Message message) {
2500        if (!activity.xmppConnectionService.hasInternetConnection()) {
2501            Toast.makeText(getActivity(), R.string.not_connected_try_again, Toast.LENGTH_SHORT)
2502                    .show();
2503            return;
2504        }
2505        if (message.getOob() != null && "cid".equalsIgnoreCase(message.getOob().getScheme())) {
2506            try {
2507                BobTransfer transfer = new BobTransfer.ForMessage(message, activity.xmppConnectionService);
2508                message.setTransferable(transfer);
2509                transfer.start();
2510            } catch (URISyntaxException e) {
2511                Log.d(Config.LOGTAG, "BobTransfer failed to parse URI");
2512            }
2513        } else {
2514            activity.xmppConnectionService
2515                    .getHttpConnectionManager()
2516                    .createNewDownloadConnection(message, true);
2517        }
2518    }
2519
2520    @SuppressLint("InflateParams")
2521    protected void clearHistoryDialog(final Conversation conversation) {
2522        final MaterialAlertDialogBuilder builder = new MaterialAlertDialogBuilder(requireActivity());
2523        builder.setTitle(R.string.clear_conversation_history);
2524        final View dialogView =
2525                requireActivity().getLayoutInflater().inflate(R.layout.dialog_clear_history, null);
2526        final CheckBox endConversationCheckBox =
2527                dialogView.findViewById(R.id.end_conversation_checkbox);
2528        builder.setView(dialogView);
2529        builder.setNegativeButton(getString(R.string.cancel), null);
2530        builder.setPositiveButton(
2531                getString(R.string.confirm),
2532                (dialog, which) -> {
2533                    this.activity.xmppConnectionService.clearConversationHistory(conversation);
2534                    if (endConversationCheckBox.isChecked()) {
2535                        this.activity.xmppConnectionService.archiveConversation(conversation);
2536                        this.activity.onConversationArchived(conversation);
2537                    } else {
2538                        activity.onConversationsListItemUpdated();
2539                        refresh();
2540                    }
2541                });
2542        builder.create().show();
2543    }
2544
2545    protected void muteConversationDialog(final Conversation conversation) {
2546        final MaterialAlertDialogBuilder builder = new MaterialAlertDialogBuilder(requireActivity());
2547        builder.setTitle(R.string.disable_notifications);
2548        final int[] durations = activity.getResources().getIntArray(R.array.mute_options_durations);
2549        final CharSequence[] labels = new CharSequence[durations.length];
2550        for (int i = 0; i < durations.length; ++i) {
2551            if (durations[i] == -1) {
2552                labels[i] = activity.getString(R.string.until_further_notice);
2553            } else {
2554                labels[i] = TimeFrameUtils.resolve(activity, 1000L * durations[i]);
2555            }
2556        }
2557        builder.setItems(
2558                labels,
2559                (dialog, which) -> {
2560                    final long till;
2561                    if (durations[which] == -1) {
2562                        till = Long.MAX_VALUE;
2563                    } else {
2564                        till = System.currentTimeMillis() + (durations[which] * 1000L);
2565                    }
2566                    conversation.setMutedTill(till);
2567                    activity.xmppConnectionService.updateConversation(conversation);
2568                    activity.onConversationsListItemUpdated();
2569                    refresh();
2570                    activity.invalidateOptionsMenu();
2571                });
2572        builder.create().show();
2573    }
2574
2575    private boolean hasPermissions(int requestCode, List<String> permissions) {
2576        final List<String> missingPermissions = new ArrayList<>();
2577        for (String permission : permissions) {
2578            if ((Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU || Config.ONLY_INTERNAL_STORAGE) && permission.equals(Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
2579                continue;
2580            }
2581            if (activity.checkSelfPermission(permission) != PackageManager.PERMISSION_GRANTED) {
2582                missingPermissions.add(permission);
2583            }
2584        }
2585        if (missingPermissions.size() == 0) {
2586            return true;
2587        } else {
2588            requestPermissions(
2589                    missingPermissions.toArray(new String[0]),
2590                    requestCode);
2591            return false;
2592        }
2593    }
2594
2595    private boolean hasPermissions(int requestCode, String... permissions) {
2596        return hasPermissions(requestCode, ImmutableList.copyOf(permissions));
2597    }
2598
2599    public void unMuteConversation(final Conversation conversation) {
2600        conversation.setMutedTill(0);
2601        this.activity.xmppConnectionService.updateConversation(conversation);
2602        this.activity.onConversationsListItemUpdated();
2603        refresh();
2604        this.activity.invalidateOptionsMenu();
2605    }
2606
2607    protected void invokeAttachFileIntent(final int attachmentChoice) {
2608        Intent intent = new Intent();
2609        boolean chooser = false;
2610        switch (attachmentChoice) {
2611            case ATTACHMENT_CHOICE_CHOOSE_IMAGE:
2612                intent.setAction(Intent.ACTION_GET_CONTENT);
2613                intent.putExtra(Intent.EXTRA_ALLOW_MULTIPLE, true);
2614                intent.setType("image/*");
2615                chooser = true;
2616                break;
2617            case ATTACHMENT_CHOICE_RECORD_VIDEO:
2618                intent.setAction(MediaStore.ACTION_VIDEO_CAPTURE);
2619                break;
2620            case ATTACHMENT_CHOICE_TAKE_PHOTO:
2621                final Uri uri = activity.xmppConnectionService.getFileBackend().getTakePhotoUri();
2622                pendingTakePhotoUri.push(uri);
2623                intent.putExtra(MediaStore.EXTRA_OUTPUT, uri);
2624                intent.addFlags(Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
2625                intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
2626                intent.setAction(MediaStore.ACTION_IMAGE_CAPTURE);
2627                break;
2628            case ATTACHMENT_CHOICE_CHOOSE_FILE:
2629                chooser = true;
2630                intent.setType("*/*");
2631                intent.putExtra(Intent.EXTRA_ALLOW_MULTIPLE, true);
2632                intent.addCategory(Intent.CATEGORY_OPENABLE);
2633                intent.setAction(Intent.ACTION_GET_CONTENT);
2634                break;
2635            case ATTACHMENT_CHOICE_RECORD_VOICE:
2636                intent = new Intent(getActivity(), RecordingActivity.class);
2637                break;
2638            case ATTACHMENT_CHOICE_LOCATION:
2639                intent = GeoHelper.getFetchIntent(activity);
2640                break;
2641        }
2642        final Context context = getActivity();
2643        if (context == null) {
2644            return;
2645        }
2646        try {
2647            if (chooser) {
2648                startActivityForResult(
2649                        Intent.createChooser(intent, getString(R.string.perform_action_with)),
2650                        attachmentChoice);
2651            } else {
2652                startActivityForResult(intent, attachmentChoice);
2653            }
2654        } catch (final ActivityNotFoundException e) {
2655            Toast.makeText(context, R.string.no_application_found, Toast.LENGTH_LONG).show();
2656        }
2657    }
2658
2659    @Override
2660    public void onResume() {
2661        super.onResume();
2662        binding.messagesView.post(this::fireReadEvent);
2663    }
2664
2665    private void fireReadEvent() {
2666        if (activity != null && this.conversation != null) {
2667            String uuid = getLastVisibleMessageUuid();
2668            if (uuid != null) {
2669                activity.onConversationRead(this.conversation, uuid);
2670            }
2671        }
2672    }
2673
2674    private void newSubThread() {
2675        Element oldThread = conversation.getThread();
2676        Element thread = new Element("thread", "jabber:client");
2677        thread.setContent(UUID.randomUUID().toString());
2678        if (oldThread != null) thread.setAttribute("parent", oldThread.getContent());
2679        setThread(thread);
2680    }
2681
2682    private void newThread() {
2683        Element thread = new Element("thread", "jabber:client");
2684        thread.setContent(UUID.randomUUID().toString());
2685        setThread(thread);
2686    }
2687
2688    private void updateThreadFromLastMessage() {
2689        if (this.conversation != null && !this.conversation.getUserSelectedThread() && TextUtils.isEmpty(binding.textinput.getText())) {
2690            Message message = getLastVisibleMessage();
2691            if (message == null) {
2692                newThread();
2693            } else {
2694                if (conversation.getMode() == Conversation.MODE_MULTI) {
2695                    if (activity == null || activity.xmppConnectionService == null) return;
2696                    if (message.getStatus() < Message.STATUS_SEND) {
2697                        if (!activity.xmppConnectionService.getBooleanPreference("follow_thread_in_channel", R.bool.follow_thread_in_channel)) return;
2698                    }
2699                }
2700
2701                setThread(message.getThread());
2702            }
2703        }
2704    }
2705
2706    private String getLastVisibleMessageUuid() {
2707        Message message =  getLastVisibleMessage();
2708        return message == null ? null : message.getUuid();
2709    }
2710
2711    private Message getLastVisibleMessage() {
2712        if (binding == null) {
2713            return null;
2714        }
2715        synchronized (this.messageList) {
2716            int pos = binding.messagesView.getLastVisiblePosition();
2717            if (pos >= 0) {
2718                Message message = null;
2719                for (int i = pos; i >= 0; --i) {
2720                    try {
2721                        message = (Message) binding.messagesView.getItemAtPosition(i);
2722                    } catch (IndexOutOfBoundsException e) {
2723                        // should not happen if we synchronize properly. however if that fails we
2724                        // just gonna try item -1
2725                        continue;
2726                    }
2727                    if (message.getType() != Message.TYPE_STATUS) {
2728                        break;
2729                    }
2730                }
2731                if (message != null) {
2732                    while (message.next() != null && message.next().wasMergedIntoPrevious(activity == null ? null : activity.xmppConnectionService)) {
2733                        message = message.next();
2734                    }
2735                    return message;
2736                }
2737            }
2738        }
2739        return null;
2740    }
2741
2742    private void openWith(final Message message) {
2743        if (message.isGeoUri()) {
2744            GeoHelper.view(getActivity(), message);
2745        } else {
2746            final DownloadableFile file =
2747                    activity.xmppConnectionService.getFileBackend().getFile(message);
2748            ViewUtil.view(activity, file);
2749        }
2750    }
2751
2752    private void reportMessage(final Message message) {
2753        BlockContactDialog.show(activity, conversation.getContact(), message.getServerMsgId());
2754    }
2755
2756    private void showErrorMessage(final Message message) {
2757        final MaterialAlertDialogBuilder builder = new MaterialAlertDialogBuilder(requireActivity());
2758        builder.setTitle(R.string.error_message);
2759        final String errorMessage = message.getErrorMessage();
2760        final String[] errorMessageParts =
2761                errorMessage == null ? new String[0] : errorMessage.split("\\u001f");
2762        final String displayError;
2763        if (errorMessageParts.length == 2) {
2764            displayError = errorMessageParts[1];
2765        } else {
2766            displayError = errorMessage;
2767        }
2768        builder.setMessage(displayError);
2769        builder.setNegativeButton(
2770                R.string.copy_to_clipboard,
2771                (dialog, which) -> {
2772                    activity.copyTextToClipboard(displayError, R.string.error_message);
2773                    Toast.makeText(
2774                                    activity,
2775                                    R.string.error_message_copied_to_clipboard,
2776                                    Toast.LENGTH_SHORT)
2777                            .show();
2778                });
2779        builder.setPositiveButton(R.string.confirm, null);
2780        builder.create().show();
2781    }
2782
2783    public boolean onInlineImageLongClicked(Cid cid) {
2784        DownloadableFile f = activity.xmppConnectionService.getFileForCid(cid);
2785        if (f == null) return false;
2786
2787        saveAsSticker(f, null);
2788        return true;
2789    }
2790
2791    private void saveAsSticker(final Message m) {
2792        String existingName = m.getFileParams() != null && m.getFileParams().getName() != null ? m.getFileParams().getName() : "";
2793        existingName = existingName.lastIndexOf(".") == -1 ? existingName : existingName.substring(0, existingName.lastIndexOf("."));
2794        saveAsSticker(activity.xmppConnectionService.getFileBackend().getFile(m), existingName);
2795    }
2796
2797    private void saveAsSticker(final File file, final String name) {
2798        savingAsSticker = file;
2799
2800        Intent intent = new Intent(Intent.ACTION_CREATE_DOCUMENT);
2801        intent.addCategory(Intent.CATEGORY_OPENABLE);
2802        intent.setType(MimeUtils.guessMimeTypeFromUri(activity, activity.xmppConnectionService.getFileBackend().getUriForFile(activity, file)));
2803        intent.putExtra(Intent.EXTRA_TITLE, name);
2804
2805        SharedPreferences p = PreferenceManager.getDefaultSharedPreferences(activity);
2806        final String dir = p.getString("sticker_directory", "Stickers");
2807        if (dir.startsWith("content://")) {
2808            intent.putExtra("android.provider.extra.INITIAL_URI", Uri.parse(dir));
2809        } else {
2810            new File(Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES) + "/" + dir + "/User Pack").mkdirs();
2811            Uri uri;
2812            if (Build.VERSION.SDK_INT >= 29) {
2813                Intent tmp = ((StorageManager) activity.getSystemService(Context.STORAGE_SERVICE)).getPrimaryStorageVolume().createOpenDocumentTreeIntent();
2814                uri = tmp.getParcelableExtra("android.provider.extra.INITIAL_URI");
2815                uri = Uri.parse(uri.toString().replace("/root/", "/document/") + "%3APictures%2F" + dir);
2816            } else {
2817                uri = Uri.parse("content://com.android.externalstorage.documents/document/primary%3APictures%2F" + dir);
2818            }
2819            intent.putExtra("android.provider.extra.INITIAL_URI", uri);
2820            intent.putExtra("android.content.extra.SHOW_ADVANCED", true);
2821        }
2822
2823        Toast.makeText(activity, "Choose a sticker pack to add this sticker to", Toast.LENGTH_SHORT).show();
2824        startActivityForResult(Intent.createChooser(intent, "Choose sticker pack"), REQUEST_SAVE_STICKER);
2825    }
2826
2827    private void deleteFile(final Message message) {
2828        final MaterialAlertDialogBuilder builder = new MaterialAlertDialogBuilder(requireActivity());
2829        builder.setNegativeButton(R.string.cancel, null);
2830        builder.setTitle(R.string.delete_file_dialog);
2831        builder.setMessage(R.string.delete_file_dialog_msg);
2832        builder.setPositiveButton(
2833                R.string.confirm,
2834                (dialog, which) -> {
2835                    List<Element> thumbs = selectedMessage.getFileParams() != null ? selectedMessage.getFileParams().getThumbnails() : null;
2836                    if (thumbs != null && !thumbs.isEmpty()) {
2837                        for (Element thumb : thumbs) {
2838                            Uri uri = Uri.parse(thumb.getAttribute("uri"));
2839                            if (uri.getScheme().equals("cid")) {
2840                                Cid cid = BobTransfer.cid(uri);
2841                                if (cid == null) continue;
2842                                DownloadableFile f = activity.xmppConnectionService.getFileForCid(cid);
2843                                activity.xmppConnectionService.evictPreview(f);
2844                                f.delete();
2845                            }
2846                        }
2847                    }
2848                    if (activity.xmppConnectionService.getFileBackend().deleteFile(message)) {
2849                        activity.xmppConnectionService.evictPreview(activity.xmppConnectionService.getFileBackend().getFile(message));
2850                        activity.xmppConnectionService.updateMessage(message, false);
2851                        activity.onConversationsListItemUpdated();
2852                        refresh();
2853                    }
2854                });
2855        builder.create().show();
2856    }
2857
2858    private void resendMessage(final Message message) {
2859        if (message.isFileOrImage()) {
2860            if (!(message.getConversation() instanceof Conversation)) {
2861                return;
2862            }
2863            final Conversation conversation = (Conversation) message.getConversation();
2864            final DownloadableFile file =
2865                    activity.xmppConnectionService.getFileBackend().getFile(message);
2866            if ((file.exists() && file.canRead()) || message.hasFileOnRemoteHost()) {
2867                final XmppConnection xmppConnection = conversation.getAccount().getXmppConnection();
2868                if (!message.hasFileOnRemoteHost()
2869                        && xmppConnection != null
2870                        && conversation.getMode() == Conversational.MODE_SINGLE
2871                        && !xmppConnection
2872                                .getFeatures()
2873                                .httpUpload(message.getFileParams().getSize())) {
2874                    activity.selectPresence(
2875                            conversation,
2876                            () -> {
2877                                message.setCounterpart(conversation.getNextCounterpart());
2878                                activity.xmppConnectionService.resendFailedMessages(message);
2879                                new Handler()
2880                                        .post(
2881                                                () -> {
2882                                                    int size = messageList.size();
2883                                                    this.binding.messagesView.setSelection(
2884                                                            size - 1);
2885                                                });
2886                            });
2887                    return;
2888                }
2889            } else if (!Compatibility.hasStoragePermission(getActivity())) {
2890                Toast.makeText(activity, R.string.no_storage_permission, Toast.LENGTH_SHORT).show();
2891                return;
2892            } else {
2893                Toast.makeText(activity, R.string.file_deleted, Toast.LENGTH_SHORT).show();
2894                message.setDeleted(true);
2895                activity.xmppConnectionService.updateMessage(message, false);
2896                activity.onConversationsListItemUpdated();
2897                refresh();
2898                return;
2899            }
2900        }
2901        activity.xmppConnectionService.resendFailedMessages(message);
2902        new Handler()
2903                .post(
2904                        () -> {
2905                            int size = messageList.size();
2906                            this.binding.messagesView.setSelection(size - 1);
2907                        });
2908    }
2909
2910    private void cancelTransmission(Message message) {
2911        Transferable transferable = message.getTransferable();
2912        if (transferable != null) {
2913            transferable.cancel();
2914        } else if (message.getStatus() != Message.STATUS_RECEIVED) {
2915            activity.xmppConnectionService.markMessage(
2916                    message, Message.STATUS_SEND_FAILED, Message.ERROR_MESSAGE_CANCELLED);
2917        }
2918    }
2919
2920    private void retryDecryption(Message message) {
2921        message.setEncryption(Message.ENCRYPTION_PGP);
2922        activity.onConversationsListItemUpdated();
2923        refresh();
2924        conversation.getAccount().getPgpDecryptionService().decrypt(message, false);
2925    }
2926
2927    public void privateMessageWith(final Jid counterpart) {
2928        if (conversation.setOutgoingChatState(Config.DEFAULT_CHAT_STATE)) {
2929            activity.xmppConnectionService.sendChatState(conversation);
2930        }
2931        this.binding.textinput.setText("");
2932        this.conversation.setNextCounterpart(counterpart);
2933        updateChatMsgHint();
2934        updateSendButton();
2935        updateEditablity();
2936    }
2937
2938    private void correctMessage(Message message) {
2939        while (message.mergeable(message.next())) {
2940            message = message.next();
2941        }
2942        setThread(message.getThread());
2943        conversation.setUserSelectedThread(true);
2944        this.conversation.setCorrectingMessage(message);
2945        final Editable editable = binding.textinput.getText();
2946        this.conversation.setDraftMessage(editable.toString());
2947        this.binding.textinput.setText("");
2948        this.binding.textinput.append(message.getBody(true));
2949        if (message.getSubject() != null && message.getSubject().length() > 0) {
2950            this.binding.textinputSubject.setText(message.getSubject());
2951            this.binding.textinputSubject.setVisibility(View.VISIBLE);
2952        }
2953        final var replyTo = message.getInReplyTo();
2954        if (replyTo != null) {
2955            setupReply(replyTo);
2956        }
2957    }
2958
2959    private void highlightInConference(String nick) {
2960        final Editable editable = this.binding.textinput.getText();
2961        String oldString = editable.toString().trim();
2962        final int pos = this.binding.textinput.getSelectionStart();
2963        if (oldString.isEmpty() || pos == 0) {
2964            editable.insert(0, nick + ": ");
2965        } else {
2966            final char before = editable.charAt(pos - 1);
2967            final char after = editable.length() > pos ? editable.charAt(pos) : '\0';
2968            if (before == '\n') {
2969                editable.insert(pos, nick + ": ");
2970            } else {
2971                if (pos > 2 && editable.subSequence(pos - 2, pos).toString().equals(": ")) {
2972                    if (NickValidityChecker.check(
2973                            conversation,
2974                            Arrays.asList(
2975                                    editable.subSequence(0, pos - 2).toString().split(", ")))) {
2976                        editable.insert(pos - 2, ", " + nick);
2977                        return;
2978                    }
2979                }
2980                editable.insert(
2981                        pos,
2982                        (Character.isWhitespace(before) ? "" : " ")
2983                                + nick
2984                                + (Character.isWhitespace(after) ? "" : " "));
2985                if (Character.isWhitespace(after)) {
2986                    this.binding.textinput.setSelection(
2987                            this.binding.textinput.getSelectionStart() + 1);
2988                }
2989            }
2990        }
2991    }
2992
2993    @Override
2994    public void startActivityForResult(Intent intent, int requestCode) {
2995        final Activity activity = getActivity();
2996        if (activity instanceof ConversationsActivity) {
2997            ((ConversationsActivity) activity).clearPendingViewIntent();
2998        }
2999        super.startActivityForResult(intent, requestCode);
3000    }
3001
3002    @Override
3003    public void onSaveInstanceState(@NonNull Bundle outState) {
3004        super.onSaveInstanceState(outState);
3005        if (conversation != null) {
3006            outState.putString(STATE_CONVERSATION_UUID, conversation.getUuid());
3007            outState.putString(STATE_LAST_MESSAGE_UUID, lastMessageUuid);
3008            final Uri uri = pendingTakePhotoUri.peek();
3009            if (uri != null) {
3010                outState.putString(STATE_PHOTO_URI, uri.toString());
3011            }
3012            final ScrollState scrollState = getScrollPosition();
3013            if (scrollState != null) {
3014                outState.putParcelable(STATE_SCROLL_POSITION, scrollState);
3015            }
3016            final ArrayList<Attachment> attachments =
3017                    mediaPreviewAdapter == null
3018                            ? new ArrayList<>()
3019                            : mediaPreviewAdapter.getAttachments();
3020            if (attachments.size() > 0) {
3021                outState.putParcelableArrayList(STATE_MEDIA_PREVIEWS, attachments);
3022            }
3023        }
3024    }
3025
3026    @Override
3027    public void onActivityCreated(Bundle savedInstanceState) {
3028        super.onActivityCreated(savedInstanceState);
3029        if (savedInstanceState == null) {
3030            return;
3031        }
3032        String uuid = savedInstanceState.getString(STATE_CONVERSATION_UUID);
3033        ArrayList<Attachment> attachments =
3034                savedInstanceState.getParcelableArrayList(STATE_MEDIA_PREVIEWS);
3035        pendingLastMessageUuid.push(savedInstanceState.getString(STATE_LAST_MESSAGE_UUID, null));
3036        if (uuid != null) {
3037            QuickLoader.set(uuid);
3038            this.pendingConversationsUuid.push(uuid);
3039            if (attachments != null && attachments.size() > 0) {
3040                this.pendingMediaPreviews.push(attachments);
3041            }
3042            String takePhotoUri = savedInstanceState.getString(STATE_PHOTO_URI);
3043            if (takePhotoUri != null) {
3044                pendingTakePhotoUri.push(Uri.parse(takePhotoUri));
3045            }
3046            pendingScrollState.push(savedInstanceState.getParcelable(STATE_SCROLL_POSITION));
3047        }
3048    }
3049
3050    @Override
3051    public void onStart() {
3052        super.onStart();
3053        if (this.reInitRequiredOnStart && this.conversation != null) {
3054            final Bundle extras = pendingExtras.pop();
3055            reInit(this.conversation, extras != null);
3056            if (extras != null) {
3057                processExtras(extras);
3058            }
3059        } else if (conversation == null
3060                && activity != null
3061                && activity.xmppConnectionService != null) {
3062            final String uuid = pendingConversationsUuid.pop();
3063            Log.d(
3064                    Config.LOGTAG,
3065                    "ConversationFragment.onStart() - activity was bound but no conversation loaded. uuid="
3066                            + uuid);
3067            if (uuid != null) {
3068                findAndReInitByUuidOrArchive(uuid);
3069            }
3070        }
3071    }
3072
3073    @Override
3074    public void onStop() {
3075        super.onStop();
3076        final Activity activity = getActivity();
3077        messageListAdapter.unregisterListenerInAudioPlayer();
3078        if (activity == null || !activity.isChangingConfigurations()) {
3079            hideSoftKeyboard(activity);
3080            messageListAdapter.stopAudioPlayer();
3081        }
3082        if (this.conversation != null) {
3083            final String msg = this.binding.textinput.getText().toString();
3084            storeNextMessage(msg);
3085            updateChatState(this.conversation, msg);
3086            this.activity.xmppConnectionService.getNotificationService().setOpenConversation(null);
3087        }
3088        this.reInitRequiredOnStart = true;
3089        if (emojiPopup != null) emojiPopup.dismiss();
3090    }
3091
3092    private void updateChatState(final Conversation conversation, final String msg) {
3093        ChatState state = msg.length() == 0 ? Config.DEFAULT_CHAT_STATE : ChatState.PAUSED;
3094        Account.State status = conversation.getAccount().getStatus();
3095        if (status == Account.State.ONLINE && conversation.setOutgoingChatState(state)) {
3096            activity.xmppConnectionService.sendChatState(conversation);
3097        }
3098    }
3099
3100    private void saveMessageDraftStopAudioPlayer() {
3101        final Conversation previousConversation = this.conversation;
3102        if (this.activity == null || this.binding == null || previousConversation == null) {
3103            return;
3104        }
3105        Log.d(Config.LOGTAG, "ConversationFragment.saveMessageDraftStopAudioPlayer()");
3106        final String msg = this.binding.textinput.getText().toString();
3107        storeNextMessage(msg);
3108        updateChatState(this.conversation, msg);
3109        messageListAdapter.stopAudioPlayer();
3110        mediaPreviewAdapter.clearPreviews();
3111        toggleInputMethod();
3112    }
3113
3114    public void reInit(final Conversation conversation, final Bundle extras) {
3115        QuickLoader.set(conversation.getUuid());
3116        final boolean changedConversation = this.conversation != conversation;
3117        if (changedConversation) {
3118            this.saveMessageDraftStopAudioPlayer();
3119        }
3120        this.clearPending();
3121        if (this.reInit(conversation, extras != null)) {
3122            if (extras != null) {
3123                processExtras(extras);
3124            }
3125            this.reInitRequiredOnStart = false;
3126        } else {
3127            this.reInitRequiredOnStart = true;
3128            pendingExtras.push(extras);
3129        }
3130        resetUnreadMessagesCount();
3131    }
3132
3133    private void reInit(Conversation conversation) {
3134        reInit(conversation, false);
3135    }
3136
3137    private boolean reInit(final Conversation conversation, final boolean hasExtras) {
3138        if (conversation == null) {
3139            return false;
3140        }
3141        final Conversation originalConversation = this.conversation;
3142        this.conversation = conversation;
3143        // once we set the conversation all is good and it will automatically do the right thing in
3144        // onStart()
3145        if (this.activity == null || this.binding == null) {
3146            return false;
3147        }
3148
3149        if (!activity.xmppConnectionService.isConversationStillOpen(this.conversation)) {
3150            activity.onConversationArchived(this.conversation);
3151            return false;
3152        }
3153
3154        final var cursord = getResources().getDrawable(R.drawable.cursor_on_tertiary_container);
3155        if (activity.xmppConnectionService != null && activity.xmppConnectionService.getAccounts().size() > 1) {
3156            final var colors = MaterialColors.getColorRoles(activity, conversation.getAccount().getColor(activity.isDark()));
3157            cursord.setTintList(ColorStateList.valueOf(colors.getOnAccentContainer()));
3158            binding.inputLayout.setBackgroundTintList(ColorStateList.valueOf(colors.getAccentContainer()));
3159            binding.textinputSubject.setTextColor(colors.getOnAccentContainer());
3160            binding.textinput.setTextColor(colors.getOnAccentContainer());
3161            binding.textinputSubject.setHintTextColor(ColorStateList.valueOf(colors.getOnAccentContainer()).withAlpha(115));
3162            binding.textinput.setHintTextColor(ColorStateList.valueOf(colors.getOnAccentContainer()).withAlpha(115));
3163        } else {
3164            cursord.setTintList(ColorStateList.valueOf(MaterialColors.getColor(binding.textinput, com.google.android.material.R.attr.colorOnTertiaryContainer)));
3165            binding.inputLayout.setBackgroundTintList(ColorStateList.valueOf(MaterialColors.getColor(binding.inputLayout, com.google.android.material.R.attr.colorTertiaryContainer)));
3166            binding.textinputSubject.setTextColor(MaterialColors.getColor(binding.textinputSubject, com.google.android.material.R.attr.colorOnTertiaryContainer));
3167            binding.textinput.setTextColor(MaterialColors.getColor(binding.textinput, com.google.android.material.R.attr.colorOnTertiaryContainer));
3168            binding.textinputSubject.setHintTextColor(R.color.hint_on_tertiary_container);
3169            binding.textinput.setHintTextColor(R.color.hint_on_tertiary_container);
3170        }
3171        if (Build.VERSION.SDK_INT >= 29) {
3172            binding.textinputSubject.setTextCursorDrawable(cursord);
3173            binding.textinput.setTextCursorDrawable(cursord);
3174        }
3175
3176        setThread(conversation.getThread());
3177        setupReply(conversation.getReplyTo());
3178
3179        stopScrolling();
3180        Log.d(Config.LOGTAG, "reInit(hasExtras=" + hasExtras + ")");
3181
3182        if (this.conversation.isRead() && hasExtras) {
3183            Log.d(Config.LOGTAG, "trimming conversation");
3184            this.conversation.trim();
3185        }
3186
3187        setupIme();
3188
3189        final boolean scrolledToBottomAndNoPending =
3190                this.scrolledToBottom() && pendingScrollState.peek() == null;
3191
3192        this.binding.textSendButton.setContentDescription(
3193                activity.getString(R.string.send_message_to_x, conversation.getName()));
3194        this.binding.textinput.setKeyboardListener(null);
3195        this.binding.textinputSubject.setKeyboardListener(null);
3196        final boolean participating =
3197                conversation.getMode() == Conversational.MODE_SINGLE
3198                        || conversation.getMucOptions().participating();
3199        if (participating) {
3200            this.binding.textinput.setText(this.conversation.getNextMessage());
3201            this.binding.textinput.setSelection(this.binding.textinput.length());
3202        } else {
3203            this.binding.textinput.setText(MessageUtils.EMPTY_STRING);
3204        }
3205        this.binding.textinput.setKeyboardListener(this);
3206        this.binding.textinputSubject.setKeyboardListener(this);
3207        messageListAdapter.updatePreferences();
3208        refresh(false);
3209        activity.invalidateOptionsMenu();
3210        this.conversation.messagesLoaded.set(true);
3211        Log.d(Config.LOGTAG, "scrolledToBottomAndNoPending=" + scrolledToBottomAndNoPending);
3212
3213        if (hasExtras || scrolledToBottomAndNoPending) {
3214            resetUnreadMessagesCount();
3215            synchronized (this.messageList) {
3216                Log.d(Config.LOGTAG, "jump to first unread message");
3217                final Message first = conversation.getFirstUnreadMessage();
3218                final int bottom = Math.max(0, this.messageList.size() - 1);
3219                final int pos;
3220                final boolean jumpToBottom;
3221                if (first == null) {
3222                    pos = bottom;
3223                    jumpToBottom = true;
3224                } else {
3225                    int i = getIndexOf(first.getUuid(), this.messageList);
3226                    pos = i < 0 ? bottom : i;
3227                    jumpToBottom = false;
3228                }
3229                setSelection(pos, jumpToBottom);
3230            }
3231        }
3232
3233        this.binding.messagesView.post(this::fireReadEvent);
3234        // TODO if we only do this when this fragment is running on main it won't *bing* in tablet
3235        // layout which might be unnecessary since we can *see* it
3236        activity.xmppConnectionService
3237                .getNotificationService()
3238                .setOpenConversation(this.conversation);
3239
3240        if (commandAdapter != null && conversation != originalConversation) {
3241            commandAdapter.clear();
3242            conversation.setupViewPager(binding.conversationViewPager, binding.tabLayout, activity.xmppConnectionService.isOnboarding(), originalConversation);
3243            refreshCommands(false);
3244        }
3245        if (commandAdapter == null && conversation != null) {
3246            conversation.setupViewPager(binding.conversationViewPager, binding.tabLayout, activity.xmppConnectionService.isOnboarding(), null);
3247            commandAdapter = new CommandAdapter((XmppActivity) getActivity());
3248            binding.commandsView.setAdapter(commandAdapter);
3249            binding.commandsView.setOnItemClickListener((parent, view, position, id) -> {
3250                if (activity == null) return;
3251
3252                commandAdapter.getItem(position).start(activity, ConversationFragment.this.conversation);
3253            });
3254            refreshCommands(false);
3255        }
3256
3257        binding.commandsNote.setVisibility(activity.xmppConnectionService.isOnboarding() ? View.VISIBLE : View.GONE);
3258
3259        return true;
3260    }
3261
3262    public void refreshForNewCaps() {
3263        refreshCommands(true);
3264    }
3265
3266    protected void refreshCommands(boolean delayShow) {
3267        if (commandAdapter == null) return;
3268
3269        final CommandAdapter.MucConfig mucConfig =
3270            conversation.getMucOptions().getSelf().getAffiliation().ranks(MucOptions.Affiliation.OWNER) ?
3271            new CommandAdapter.MucConfig() :
3272            null;
3273
3274        Jid commandJid = conversation.getContact().resourceWhichSupport(Namespace.COMMANDS);
3275        if (commandJid == null && conversation.getMode() == Conversation.MODE_MULTI && conversation.getMucOptions().hasFeature(Namespace.COMMANDS)) {
3276            commandJid = conversation.getJid().asBareJid();
3277        }
3278        if (commandJid == null && conversation.getJid().isDomainJid()) {
3279            commandJid = conversation.getJid();
3280        }
3281        if (commandJid == null) {
3282            binding.commandsViewProgressbar.setVisibility(View.GONE);
3283            if (mucConfig == null) {
3284                conversation.hideViewPager();
3285            } else {
3286                commandAdapter.clear();
3287                commandAdapter.add(mucConfig);
3288                conversation.showViewPager();
3289            }
3290        } else {
3291            if (!delayShow) conversation.showViewPager();
3292            binding.commandsViewProgressbar.setVisibility(View.VISIBLE);
3293            activity.xmppConnectionService.fetchCommands(conversation.getAccount(), commandJid, (a, iq) -> {
3294                if (activity == null) return;
3295
3296                activity.runOnUiThread(() -> {
3297                    binding.commandsViewProgressbar.setVisibility(View.GONE);
3298                    commandAdapter.clear();
3299                    if (iq.getType() == IqPacket.TYPE.RESULT) {
3300                        for (Element child : iq.query().getChildren()) {
3301                            if (!"item".equals(child.getName()) || !Namespace.DISCO_ITEMS.equals(child.getNamespace())) continue;
3302                            commandAdapter.add(new CommandAdapter.Command0050(child));
3303                        }
3304                    }
3305
3306                    if (mucConfig != null) commandAdapter.add(mucConfig);
3307
3308                    if (commandAdapter.getCount() < 1) {
3309                        conversation.hideViewPager();
3310                    } else if (delayShow) {
3311                        conversation.showViewPager();
3312                    }
3313                });
3314            });
3315        }
3316    }
3317
3318    private void resetUnreadMessagesCount() {
3319        lastMessageUuid = null;
3320        hideUnreadMessagesCount();
3321    }
3322
3323    private void hideUnreadMessagesCount() {
3324        if (this.binding == null) {
3325            return;
3326        }
3327        this.binding.scrollToBottomButton.setEnabled(false);
3328        this.binding.scrollToBottomButton.hide();
3329        this.binding.unreadCountCustomView.setVisibility(View.GONE);
3330    }
3331
3332    private void setSelection(int pos, boolean jumpToBottom) {
3333        ListViewUtils.setSelection(this.binding.messagesView, pos, jumpToBottom);
3334        this.binding.messagesView.post(
3335                () -> ListViewUtils.setSelection(this.binding.messagesView, pos, jumpToBottom));
3336        this.binding.messagesView.post(this::fireReadEvent);
3337    }
3338
3339    private boolean scrolledToBottom() {
3340        return this.binding != null && scrolledToBottom(this.binding.messagesView);
3341    }
3342
3343    private void processExtras(final Bundle extras) {
3344        final String downloadUuid = extras.getString(ConversationsActivity.EXTRA_DOWNLOAD_UUID);
3345        final String text = extras.getString(Intent.EXTRA_TEXT);
3346        final String nick = extras.getString(ConversationsActivity.EXTRA_NICK);
3347        final String node = extras.getString(ConversationsActivity.EXTRA_NODE);
3348        final String postInitAction =
3349                extras.getString(ConversationsActivity.EXTRA_POST_INIT_ACTION);
3350        final boolean asQuote = extras.getBoolean(ConversationsActivity.EXTRA_AS_QUOTE);
3351        final boolean pm = extras.getBoolean(ConversationsActivity.EXTRA_IS_PRIVATE_MESSAGE, false);
3352        final boolean doNotAppend =
3353                extras.getBoolean(ConversationsActivity.EXTRA_DO_NOT_APPEND, false);
3354        final String type = extras.getString(ConversationsActivity.EXTRA_TYPE);
3355
3356        final String thread = extras.getString(ConversationsActivity.EXTRA_THREAD);
3357        if (thread != null) {
3358            conversation.setLockThread(true);
3359            backPressedLeaveSingleThread.setEnabled(true);
3360            setThread(new Element("thread").setContent(thread));
3361            refresh();
3362        }
3363
3364        final List<Uri> uris = extractUris(extras);
3365        if (uris != null && uris.size() > 0) {
3366            if (uris.size() == 1 && "geo".equals(uris.get(0).getScheme())) {
3367                mediaPreviewAdapter.addMediaPreviews(
3368                        Attachment.of(getActivity(), uris.get(0), Attachment.Type.LOCATION));
3369            } else {
3370                final List<Uri> cleanedUris = cleanUris(new ArrayList<>(uris));
3371                mediaPreviewAdapter.addMediaPreviews(
3372                        Attachment.of(getActivity(), cleanedUris, type));
3373            }
3374            toggleInputMethod();
3375            return;
3376        }
3377        if (nick != null) {
3378            if (pm) {
3379                Jid jid = conversation.getJid();
3380                try {
3381                    Jid next = Jid.of(jid.getLocal(), jid.getDomain(), nick);
3382                    privateMessageWith(next);
3383                } catch (final IllegalArgumentException ignored) {
3384                    // do nothing
3385                }
3386            } else {
3387                final MucOptions mucOptions = conversation.getMucOptions();
3388                if (mucOptions.participating() || conversation.getNextCounterpart() != null) {
3389                    highlightInConference(nick);
3390                }
3391            }
3392        } else {
3393            if (text != null && GeoHelper.GEO_URI.matcher(text).matches()) {
3394                mediaPreviewAdapter.addMediaPreviews(
3395                        Attachment.of(getActivity(), Uri.parse(text), Attachment.Type.LOCATION));
3396                toggleInputMethod();
3397                return;
3398            } else if (text != null && asQuote) {
3399                quoteText(text);
3400            } else {
3401                appendText(text, doNotAppend);
3402            }
3403        }
3404        if (ConversationsActivity.POST_ACTION_RECORD_VOICE.equals(postInitAction)) {
3405            attachFile(ATTACHMENT_CHOICE_RECORD_VOICE, false);
3406            return;
3407        }
3408        if ("call".equals(postInitAction)) {
3409            checkPermissionAndTriggerAudioCall();
3410        }
3411        if ("message".equals(postInitAction)) {
3412            binding.conversationViewPager.post(() -> {
3413                binding.conversationViewPager.setCurrentItem(0);
3414            });
3415        }
3416        if ("command".equals(postInitAction)) {
3417            binding.conversationViewPager.post(() -> {
3418                PagerAdapter adapter = binding.conversationViewPager.getAdapter();
3419                if (adapter != null && adapter.getCount() > 1) {
3420                    binding.conversationViewPager.setCurrentItem(1);
3421                }
3422                final String jid = extras.getString(ConversationsActivity.EXTRA_JID);
3423                Jid commandJid = null;
3424                if (jid != null) {
3425                    try {
3426                        commandJid = Jid.of(jid);
3427                    } catch (final IllegalArgumentException e) { }
3428                }
3429                if (commandJid == null || !commandJid.isFullJid()) {
3430                    final Jid discoJid = conversation.getContact().resourceWhichSupport(Namespace.COMMANDS);
3431                    if (discoJid != null) commandJid = discoJid;
3432                }
3433                if (node != null && commandJid != null && activity != null) {
3434                    conversation.startCommand(commandFor(commandJid, node), activity.xmppConnectionService);
3435                }
3436            });
3437            return;
3438        }
3439        Message message =
3440                downloadUuid == null ? null : conversation.findMessageWithFileAndUuid(downloadUuid);
3441        if ("webxdc".equals(postInitAction)) {
3442            if (message == null) {
3443                message = activity.xmppConnectionService.getMessage(conversation, downloadUuid);
3444            }
3445            if (message == null) return;
3446
3447            Cid webxdcCid = message.getFileParams().getCids().get(0);
3448            WebxdcPage webxdc = new WebxdcPage(activity, webxdcCid, message, activity.xmppConnectionService);
3449            Conversation conversation = (Conversation) message.getConversation();
3450            if (!conversation.switchToSession("webxdc\0" + message.getUuid())) {
3451                conversation.startWebxdc(webxdc);
3452            }
3453        }
3454        if (message != null) {
3455            startDownloadable(message);
3456        }
3457        if (activity.xmppConnectionService.isOnboarding() && conversation.getJid().equals(Jid.of("cheogram.com"))) {
3458            if (!conversation.switchToSession("jabber:iq:register")) {
3459                conversation.startCommand(commandFor(Jid.of("cheogram.com/CHEOGRAM%jabber:iq:register"), "jabber:iq:register"), activity.xmppConnectionService);
3460            }
3461        }
3462    }
3463
3464    private Element commandFor(final Jid jid, final String node) {
3465        if (commandAdapter != null) {
3466            for (int i = 0; i < commandAdapter.getCount(); i++) {
3467                final CommandAdapter.Command c = commandAdapter.getItem(i);
3468                if (!(c instanceof CommandAdapter.Command0050)) continue;
3469
3470                final Element command = ((CommandAdapter.Command0050) c).el;
3471                final String commandNode = command.getAttribute("node");
3472                if (commandNode == null || !commandNode.equals(node)) continue;
3473
3474                final Jid commandJid = command.getAttributeAsJid("jid");
3475                if (commandJid != null && !commandJid.asBareJid().equals(jid.asBareJid())) continue;
3476
3477                return command;
3478            }
3479        }
3480
3481        return new Element("command", Namespace.COMMANDS).setAttribute("name", node).setAttribute("node", node).setAttribute("jid", jid);
3482    }
3483
3484    private List<Uri> extractUris(final Bundle extras) {
3485        final List<Uri> uris = extras.getParcelableArrayList(Intent.EXTRA_STREAM);
3486        if (uris != null) {
3487            return uris;
3488        }
3489        final Uri uri = extras.getParcelable(Intent.EXTRA_STREAM);
3490        if (uri != null) {
3491            return Collections.singletonList(uri);
3492        } else {
3493            return null;
3494        }
3495    }
3496
3497    private List<Uri> cleanUris(final List<Uri> uris) {
3498        final Iterator<Uri> iterator = uris.iterator();
3499        while (iterator.hasNext()) {
3500            final Uri uri = iterator.next();
3501            if (FileBackend.dangerousFile(uri)) {
3502                iterator.remove();
3503                Toast.makeText(
3504                                requireActivity(),
3505                                R.string.security_violation_not_attaching_file,
3506                                Toast.LENGTH_SHORT)
3507                        .show();
3508            }
3509        }
3510        return uris;
3511    }
3512
3513    private boolean showBlockSubmenu(View view) {
3514        final Jid jid = conversation.getJid();
3515        final int mode = conversation.getMode();
3516        final var contact = mode == Conversation.MODE_SINGLE ? conversation.getContact() : null;
3517        final boolean showReject = contact.getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST);
3518        PopupMenu popupMenu = new PopupMenu(getActivity(), view);
3519        popupMenu.inflate(R.menu.block);
3520        popupMenu.getMenu().findItem(R.id.block_contact).setVisible(jid.getLocal() != null);
3521        popupMenu.getMenu().findItem(R.id.reject).setVisible(showReject);
3522        popupMenu.getMenu().findItem(R.id.add_contact).setVisible(!contact.showInRoster());
3523        popupMenu.setOnMenuItemClickListener(
3524                menuItem -> {
3525                    Blockable blockable;
3526                    switch (menuItem.getItemId()) {
3527                        case R.id.reject:
3528                            activity.xmppConnectionService.stopPresenceUpdatesTo(
3529                                    conversation.getContact());
3530                            updateSnackBar(conversation);
3531                            return true;
3532                        case R.id.add_contact:
3533                            mAddBackClickListener.onClick(view);
3534                            return true;
3535                        case R.id.block_domain:
3536                            blockable =
3537                                    conversation
3538                                            .getAccount()
3539                                            .getRoster()
3540                                            .getContact(jid.getDomain());
3541                            break;
3542                        default:
3543                            blockable = conversation;
3544                    }
3545                    BlockContactDialog.show(activity, blockable);
3546                    return true;
3547                });
3548        popupMenu.show();
3549        return true;
3550    }
3551
3552    private boolean showBlockMucSubmenu(View view) {
3553        final var jid = conversation.getJid();
3554        final var popupMenu = new PopupMenu(getActivity(), view);
3555        popupMenu.inflate(R.menu.block_muc);
3556        popupMenu.getMenu().findItem(R.id.block_contact).setVisible(jid.getLocal() != null);
3557        popupMenu.setOnMenuItemClickListener(
3558                menuItem -> {
3559                    Blockable blockable;
3560                    switch (menuItem.getItemId()) {
3561                        case R.id.reject:
3562                            activity.xmppConnectionService.clearConversationHistory(conversation);
3563                            activity.xmppConnectionService.archiveConversation(conversation);
3564                            return true;
3565                        case R.id.add_bookmark:
3566                            activity.xmppConnectionService.saveConversationAsBookmark(conversation, "");
3567                            updateSnackBar(conversation);
3568                            return true;
3569                        case R.id.block_contact:
3570                            blockable =
3571                                    conversation
3572                                            .getAccount()
3573                                            .getRoster()
3574                                            .getContact(Jid.of(conversation.getAttribute("inviter")));
3575                            break;
3576                        default:
3577                            blockable = conversation;
3578                    }
3579                    BlockContactDialog.show(activity, blockable);
3580                    activity.xmppConnectionService.archiveConversation(conversation);
3581                    return true;
3582                });
3583        popupMenu.show();
3584        return true;
3585    }
3586
3587    private void updateSnackBar(final Conversation conversation) {
3588        final Account account = conversation.getAccount();
3589        final XmppConnection connection = account.getXmppConnection();
3590        final int mode = conversation.getMode();
3591        final Contact contact = mode == Conversation.MODE_SINGLE ? conversation.getContact() : null;
3592        if (conversation.getStatus() == Conversation.STATUS_ARCHIVED) {
3593            return;
3594        }
3595        if (account.getStatus() == Account.State.DISABLED) {
3596            showSnackbar(
3597                    R.string.this_account_is_disabled,
3598                    R.string.enable,
3599                    this.mEnableAccountListener);
3600        } else if (account.getStatus() == Account.State.LOGGED_OUT) {
3601            showSnackbar(R.string.this_account_is_logged_out,R.string.log_in,this.mEnableAccountListener);
3602        } else if (conversation.isBlocked()) {
3603            showSnackbar(R.string.contact_blocked, R.string.unblock, this.mUnblockClickListener);
3604        } else if (contact != null
3605                && !contact.showInRoster()
3606                && contact.getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)) {
3607            showSnackbar(
3608                    R.string.contact_added_you,
3609                    R.string.options,
3610                    this.mBlockClickListener,
3611                    this.mLongPressBlockListener);
3612        } else if (contact != null
3613                && contact.getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)) {
3614            showSnackbar(
3615                    R.string.contact_asks_for_presence_subscription,
3616                    R.string.allow,
3617                    this.mAllowPresenceSubscription,
3618                    this.mLongPressBlockListener);
3619        } else if (mode == Conversation.MODE_MULTI
3620                && !conversation.getMucOptions().online()
3621                && account.getStatus() == Account.State.ONLINE) {
3622            switch (conversation.getMucOptions().getError()) {
3623                case NICK_IN_USE:
3624                    showSnackbar(R.string.nick_in_use, R.string.edit, clickToMuc);
3625                    break;
3626                case NO_RESPONSE:
3627                    showSnackbar(R.string.joining_conference, 0, null);
3628                    break;
3629                case SERVER_NOT_FOUND:
3630                    if (conversation.receivedMessagesCount() > 0) {
3631                        showSnackbar(R.string.remote_server_not_found, R.string.try_again, joinMuc);
3632                    } else {
3633                        showSnackbar(R.string.remote_server_not_found, R.string.leave, leaveMuc);
3634                    }
3635                    break;
3636                case REMOTE_SERVER_TIMEOUT:
3637                    if (conversation.receivedMessagesCount() > 0) {
3638                        showSnackbar(R.string.remote_server_timeout, R.string.try_again, joinMuc);
3639                    } else {
3640                        showSnackbar(R.string.remote_server_timeout, R.string.leave, leaveMuc);
3641                    }
3642                    break;
3643                case PASSWORD_REQUIRED:
3644                    showSnackbar(
3645                            R.string.conference_requires_password,
3646                            R.string.enter_password,
3647                            enterPassword);
3648                    break;
3649                case BANNED:
3650                    showSnackbar(R.string.conference_banned, R.string.leave, leaveMuc);
3651                    break;
3652                case MEMBERS_ONLY:
3653                    showSnackbar(R.string.conference_members_only, R.string.leave, leaveMuc);
3654                    break;
3655                case RESOURCE_CONSTRAINT:
3656                    showSnackbar(
3657                            R.string.conference_resource_constraint, R.string.try_again, joinMuc);
3658                    break;
3659                case KICKED:
3660                    showSnackbar(R.string.conference_kicked, R.string.join, joinMuc);
3661                    break;
3662                case TECHNICAL_PROBLEMS:
3663                    showSnackbar(R.string.conference_technical_problems, R.string.try_again, joinMuc);
3664                    break;
3665                case UNKNOWN:
3666                    showSnackbar(R.string.conference_unknown_error, R.string.try_again, joinMuc);
3667                    break;
3668                case INVALID_NICK:
3669                    showSnackbar(R.string.invalid_muc_nick, R.string.edit, clickToMuc);
3670                case SHUTDOWN:
3671                    showSnackbar(R.string.conference_shutdown, R.string.try_again, joinMuc);
3672                    break;
3673                case DESTROYED:
3674                    showSnackbar(R.string.conference_destroyed, R.string.leave, leaveMuc);
3675                    break;
3676                case NON_ANONYMOUS:
3677                    showSnackbar(
3678                            R.string.group_chat_will_make_your_jabber_id_public,
3679                            R.string.join,
3680                            acceptJoin);
3681                    break;
3682                default:
3683                    hideSnackbar();
3684                    break;
3685            }
3686        } else if (account.hasPendingPgpIntent(conversation)) {
3687            showSnackbar(R.string.openpgp_messages_found, R.string.decrypt, clickToDecryptListener);
3688        } else if (connection != null
3689                && connection.getFeatures().blocking()
3690                && conversation.strangerInvited()) {
3691            showSnackbar(
3692                    R.string.received_invite_from_stranger,
3693                    R.string.options,
3694                    (v) -> showBlockMucSubmenu(v),
3695                    (v) -> showBlockMucSubmenu(v));
3696        } else if (connection != null
3697                && connection.getFeatures().blocking()
3698                && conversation.countMessages() != 0
3699                && !conversation.isBlocked()
3700                && conversation.isWithStranger()) {
3701            showSnackbar(
3702                    R.string.received_message_from_stranger,
3703                    R.string.options,
3704                    this.mBlockClickListener,
3705                    this.mLongPressBlockListener);
3706        } else {
3707            hideSnackbar();
3708        }
3709    }
3710
3711    @Override
3712    public void refresh() {
3713        if (this.binding == null) {
3714            Log.d(
3715                    Config.LOGTAG,
3716                    "ConversationFragment.refresh() skipped updated because view binding was null");
3717            return;
3718        }
3719        if (this.conversation != null
3720                && this.activity != null
3721                && this.activity.xmppConnectionService != null) {
3722            if (!activity.xmppConnectionService.isConversationStillOpen(this.conversation)) {
3723                activity.onConversationArchived(this.conversation);
3724                return;
3725            }
3726        }
3727        this.refresh(true);
3728    }
3729
3730    private void refresh(boolean notifyConversationRead) {
3731        synchronized (this.messageList) {
3732            if (this.conversation != null) {
3733                if (messageListAdapter.hasSelection()) {
3734                    if (notifyConversationRead) binding.messagesView.postDelayed(this::refresh, 1000L);
3735                } else {
3736                    conversation.populateWithMessages(this.messageList, activity == null ? null : activity.xmppConnectionService);
3737                    updateStatusMessages();
3738                    this.messageListAdapter.notifyDataSetChanged();
3739                }
3740                if (conversation.getReceivedMessagesCountSinceUuid(lastMessageUuid) != 0) {
3741                    binding.unreadCountCustomView.setVisibility(View.VISIBLE);
3742                    binding.unreadCountCustomView.setUnreadCount(
3743                            conversation.getReceivedMessagesCountSinceUuid(lastMessageUuid));
3744                }
3745                updateSnackBar(conversation);
3746                if (activity != null) updateChatMsgHint();
3747                if (notifyConversationRead && activity != null) {
3748                    binding.messagesView.post(this::fireReadEvent);
3749                }
3750                updateSendButton();
3751                updateEditablity();
3752                conversation.refreshSessions();
3753            }
3754        }
3755    }
3756
3757    protected void messageSent() {
3758        binding.textinputSubject.setText("");
3759        binding.textinputSubject.setVisibility(View.GONE);
3760        setThread(null);
3761        conversation.setUserSelectedThread(false);
3762        mSendingPgpMessage.set(false);
3763        this.binding.textinput.setText("");
3764        if (conversation.setCorrectingMessage(null)) {
3765            this.binding.textinput.append(conversation.getDraftMessage());
3766            conversation.setDraftMessage(null);
3767        }
3768        storeNextMessage();
3769        updateChatMsgHint();
3770        SharedPreferences p = PreferenceManager.getDefaultSharedPreferences(activity);
3771        final boolean prefScrollToBottom =
3772                p.getBoolean(
3773                        "scroll_to_bottom",
3774                        activity.getResources().getBoolean(R.bool.scroll_to_bottom));
3775        if (prefScrollToBottom || scrolledToBottom()) {
3776            new Handler()
3777                    .post(
3778                            () -> {
3779                                int size = messageList.size();
3780                                this.binding.messagesView.setSelection(size - 1);
3781                            });
3782        }
3783    }
3784
3785    private boolean storeNextMessage() {
3786        return storeNextMessage(this.binding.textinput.getText().toString());
3787    }
3788
3789    private boolean storeNextMessage(String msg) {
3790        final boolean participating =
3791                conversation.getMode() == Conversational.MODE_SINGLE
3792                        || conversation.getMucOptions().participating();
3793        if (this.conversation.getStatus() != Conversation.STATUS_ARCHIVED
3794                && participating
3795                && this.conversation.setNextMessage(msg) && activity != null) {
3796            activity.xmppConnectionService.updateConversation(this.conversation);
3797            return true;
3798        }
3799        return false;
3800    }
3801
3802    public void doneSendingPgpMessage() {
3803        mSendingPgpMessage.set(false);
3804    }
3805
3806    public long getMaxHttpUploadSize(Conversation conversation) {
3807        final XmppConnection connection = conversation.getAccount().getXmppConnection();
3808        return connection == null ? -1 : connection.getFeatures().getMaxHttpUploadSize();
3809    }
3810
3811    private boolean canWrite() {
3812        return
3813                this.conversation.getMode() == Conversation.MODE_SINGLE
3814                        || this.conversation.getMucOptions().participating()
3815                        || this.conversation.getNextCounterpart() != null;
3816    }
3817
3818    private void updateEditablity() {
3819        boolean canWrite = canWrite();
3820        this.binding.textinput.setFocusable(canWrite);
3821        this.binding.textinput.setFocusableInTouchMode(canWrite);
3822        this.binding.textSendButton.setEnabled(canWrite);
3823        this.binding.textSendButton.setVisibility(canWrite ? View.VISIBLE : View.GONE);
3824        this.binding.requestVoice.setVisibility(canWrite ? View.GONE : View.VISIBLE);
3825        this.binding.textinput.setCursorVisible(canWrite);
3826        this.binding.textinput.setEnabled(canWrite);
3827    }
3828
3829    public void updateSendButton() {
3830        boolean hasAttachments =
3831                mediaPreviewAdapter != null && mediaPreviewAdapter.hasAttachments();
3832        final Conversation c = this.conversation;
3833        final Presence.Status status;
3834        final String text =
3835                this.binding.textinput == null ? "" : this.binding.textinput.getText().toString();
3836        final SendButtonAction action;
3837        if (hasAttachments) {
3838            action = SendButtonAction.TEXT;
3839        } else {
3840            action = SendButtonTool.getAction(getActivity(), c, text, binding.textinputSubject.getText().toString());
3841        }
3842        if (c.getAccount().getStatus() == Account.State.ONLINE) {
3843            if (activity != null
3844                    && activity.xmppConnectionService != null
3845                    && activity.xmppConnectionService.getMessageArchiveService().isCatchingUp(c)) {
3846                status = Presence.Status.OFFLINE;
3847            } else if (c.getMode() == Conversation.MODE_SINGLE) {
3848                status = c.getContact().getShownStatus();
3849            } else {
3850                status =
3851                        c.getMucOptions().online()
3852                                ? Presence.Status.ONLINE
3853                                : Presence.Status.OFFLINE;
3854            }
3855        } else {
3856            status = Presence.Status.OFFLINE;
3857        }
3858        this.binding.textSendButton.setTag(action);
3859        this.binding.textSendButton.setIconTint(ColorStateList.valueOf(SendButtonTool.getSendButtonColor(this.binding.textSendButton, status)));
3860        // TODO send button color
3861        final Activity activity = getActivity();
3862        if (activity != null) {
3863            this.binding.textSendButton.setIconResource(
3864                    SendButtonTool.getSendButtonImageResource(action, text.length() > 0 || hasAttachments || (c.getThread() != null && binding.textinputSubject.getText().length() > 0)));
3865        }
3866
3867        ViewGroup.LayoutParams params = binding.threadIdenticonLayout.getLayoutParams();
3868        if (identiconWidth < 0) identiconWidth = params.width;
3869        if (hasAttachments || binding.textinput.getText().toString().replaceFirst("^(\\w|[, ])+:\\s*", "").length() > 0) {
3870            binding.conversationViewPager.setCurrentItem(0);
3871            params.width = conversation.getThread() == null ? 0 : identiconWidth;
3872        } else {
3873            params.width = identiconWidth;
3874        }
3875        if (!canWrite()) params.width = 0;
3876        binding.threadIdenticonLayout.setLayoutParams(params);
3877    }
3878
3879    protected void updateStatusMessages() {
3880        DateSeparator.addAll(this.messageList);
3881        if (showLoadMoreMessages(conversation)) {
3882            this.messageList.add(0, Message.createLoadMoreMessage(conversation));
3883        }
3884        if (conversation.getMode() == Conversation.MODE_SINGLE) {
3885            ChatState state = conversation.getIncomingChatState();
3886            if (state == ChatState.COMPOSING) {
3887                this.messageList.add(
3888                        Message.createStatusMessage(
3889                                conversation,
3890                                getString(R.string.contact_is_typing, conversation.getName())));
3891            } else if (state == ChatState.PAUSED) {
3892                this.messageList.add(
3893                        Message.createStatusMessage(
3894                                conversation,
3895                                getString(
3896                                        R.string.contact_has_stopped_typing,
3897                                        conversation.getName())));
3898            } else {
3899                for (int i = this.messageList.size() - 1; i >= 0; --i) {
3900                    final Message message = this.messageList.get(i);
3901                    if (message.getType() != Message.TYPE_STATUS) {
3902                        if (message.getStatus() == Message.STATUS_RECEIVED) {
3903                            return;
3904                        } else {
3905                            if (message.getStatus() == Message.STATUS_SEND_DISPLAYED) {
3906                                this.messageList.add(
3907                                        i + 1,
3908                                        Message.createStatusMessage(
3909                                                conversation,
3910                                                getString(
3911                                                        R.string.contact_has_read_up_to_this_point,
3912                                                        conversation.getName())));
3913                                return;
3914                            }
3915                        }
3916                    }
3917                }
3918            }
3919        } else {
3920            final MucOptions mucOptions = conversation.getMucOptions();
3921            final List<MucOptions.User> allUsers = mucOptions.getUsers();
3922            final Set<ReadByMarker> addedMarkers = new HashSet<>();
3923            ChatState state = ChatState.COMPOSING;
3924            List<MucOptions.User> users =
3925                    conversation.getMucOptions().getUsersWithChatState(state, 5);
3926            if (users.size() == 0) {
3927                state = ChatState.PAUSED;
3928                users = conversation.getMucOptions().getUsersWithChatState(state, 5);
3929            }
3930            if (mucOptions.isPrivateAndNonAnonymous()) {
3931                for (int i = this.messageList.size() - 1; i >= 0; --i) {
3932                    final Set<ReadByMarker> markersForMessage =
3933                            messageList.get(i).getReadByMarkers();
3934                    final List<MucOptions.User> shownMarkers = new ArrayList<>();
3935                    for (ReadByMarker marker : markersForMessage) {
3936                        if (!ReadByMarker.contains(marker, addedMarkers)) {
3937                            addedMarkers.add(
3938                                    marker); // may be put outside this condition. set should do
3939                                             // dedup anyway
3940                            MucOptions.User user = mucOptions.findUser(marker);
3941                            if (user != null && !users.contains(user)) {
3942                                shownMarkers.add(user);
3943                            }
3944                        }
3945                    }
3946                    final ReadByMarker markerForSender = ReadByMarker.from(messageList.get(i));
3947                    final Message statusMessage;
3948                    final int size = shownMarkers.size();
3949                    if (size > 1) {
3950                        final String body;
3951                        if (size <= 4) {
3952                            body =
3953                                    getString(
3954                                            R.string.contacts_have_read_up_to_this_point,
3955                                            UIHelper.concatNames(shownMarkers));
3956                        } else if (ReadByMarker.allUsersRepresented(
3957                                allUsers, markersForMessage, markerForSender)) {
3958                            body = getString(R.string.everyone_has_read_up_to_this_point);
3959                        } else {
3960                            body =
3961                                    getString(
3962                                            R.string.contacts_and_n_more_have_read_up_to_this_point,
3963                                            UIHelper.concatNames(shownMarkers, 3),
3964                                            size - 3);
3965                        }
3966                        statusMessage = Message.createStatusMessage(conversation, body);
3967                        statusMessage.setCounterparts(shownMarkers);
3968                    } else if (size == 1) {
3969                        statusMessage =
3970                                Message.createStatusMessage(
3971                                        conversation,
3972                                        getString(
3973                                                R.string.contact_has_read_up_to_this_point,
3974                                                UIHelper.getDisplayName(shownMarkers.get(0))));
3975                        statusMessage.setCounterpart(shownMarkers.get(0).getFullJid());
3976                        statusMessage.setTrueCounterpart(shownMarkers.get(0).getRealJid());
3977                    } else {
3978                        statusMessage = null;
3979                    }
3980                    if (statusMessage != null) {
3981                        this.messageList.add(i + 1, statusMessage);
3982                    }
3983                    addedMarkers.add(markerForSender);
3984                    if (ReadByMarker.allUsersRepresented(allUsers, addedMarkers)) {
3985                        break;
3986                    }
3987                }
3988            }
3989            if (users.size() > 0) {
3990                Message statusMessage;
3991                if (users.size() == 1) {
3992                    MucOptions.User user = users.get(0);
3993                    int id =
3994                            state == ChatState.COMPOSING
3995                                    ? R.string.contact_is_typing
3996                                    : R.string.contact_has_stopped_typing;
3997                    statusMessage =
3998                            Message.createStatusMessage(
3999                                    conversation, getString(id, UIHelper.getDisplayName(user)));
4000                    statusMessage.setTrueCounterpart(user.getRealJid());
4001                    statusMessage.setCounterpart(user.getFullJid());
4002                } else {
4003                    int id =
4004                            state == ChatState.COMPOSING
4005                                    ? R.string.contacts_are_typing
4006                                    : R.string.contacts_have_stopped_typing;
4007                    statusMessage =
4008                            Message.createStatusMessage(
4009                                    conversation, getString(id, UIHelper.concatNames(users)));
4010                    statusMessage.setCounterparts(users);
4011                }
4012                this.messageList.add(statusMessage);
4013            }
4014        }
4015    }
4016
4017    private void stopScrolling() {
4018        long now = SystemClock.uptimeMillis();
4019        MotionEvent cancel = MotionEvent.obtain(now, now, MotionEvent.ACTION_CANCEL, 0, 0, 0);
4020        binding.messagesView.dispatchTouchEvent(cancel);
4021    }
4022
4023    private boolean showLoadMoreMessages(final Conversation c) {
4024        if (activity == null || activity.xmppConnectionService == null) {
4025            return false;
4026        }
4027        final boolean mam = hasMamSupport(c) && !c.getContact().isBlocked();
4028        final MessageArchiveService service =
4029                activity.xmppConnectionService.getMessageArchiveService();
4030        return mam
4031                && (c.getLastClearHistory().getTimestamp() != 0
4032                        || (c.countMessages() == 0
4033                                && c.messagesLoaded.get()
4034                                && c.hasMessagesLeftOnServer()
4035                                && !service.queryInProgress(c)));
4036    }
4037
4038    private boolean hasMamSupport(final Conversation c) {
4039        if (c.getMode() == Conversation.MODE_SINGLE) {
4040            final XmppConnection connection = c.getAccount().getXmppConnection();
4041            return connection != null && connection.getFeatures().mam();
4042        } else {
4043            return c.getMucOptions().mamSupport();
4044        }
4045    }
4046
4047    protected void showSnackbar(
4048            final int message, final int action, final OnClickListener clickListener) {
4049        showSnackbar(message, action, clickListener, null);
4050    }
4051
4052    protected void showSnackbar(
4053            final int message,
4054            final int action,
4055            final OnClickListener clickListener,
4056            final View.OnLongClickListener longClickListener) {
4057        this.binding.snackbar.setVisibility(View.VISIBLE);
4058        this.binding.snackbar.setOnClickListener(null);
4059        this.binding.snackbarMessage.setText(message);
4060        this.binding.snackbarMessage.setOnClickListener(null);
4061        this.binding.snackbarAction.setVisibility(clickListener == null ? View.GONE : View.VISIBLE);
4062        if (action != 0) {
4063            this.binding.snackbarAction.setText(action);
4064        }
4065        this.binding.snackbarAction.setOnClickListener(clickListener);
4066        this.binding.snackbarAction.setOnLongClickListener(longClickListener);
4067    }
4068
4069    protected void hideSnackbar() {
4070        this.binding.snackbar.setVisibility(View.GONE);
4071    }
4072
4073    protected void sendMessage(Message message) {
4074        new Thread(() -> activity.xmppConnectionService.sendMessage(message)).start();
4075        messageSent();
4076    }
4077
4078    protected void sendPgpMessage(final Message message) {
4079        final XmppConnectionService xmppService = activity.xmppConnectionService;
4080        final Contact contact = message.getConversation().getContact();
4081        if (!activity.hasPgp()) {
4082            activity.showInstallPgpDialog();
4083            return;
4084        }
4085        if (conversation.getAccount().getPgpSignature() == null) {
4086            activity.announcePgp(
4087                    conversation.getAccount(), conversation, null, activity.onOpenPGPKeyPublished);
4088            return;
4089        }
4090        if (!mSendingPgpMessage.compareAndSet(false, true)) {
4091            Log.d(Config.LOGTAG, "sending pgp message already in progress");
4092        }
4093        if (conversation.getMode() == Conversation.MODE_SINGLE) {
4094            if (contact.getPgpKeyId() != 0) {
4095                xmppService
4096                        .getPgpEngine()
4097                        .hasKey(
4098                                contact,
4099                                new UiCallback<Contact>() {
4100
4101                                    @Override
4102                                    public void userInputRequired(
4103                                            PendingIntent pi, Contact contact) {
4104                                        startPendingIntent(pi, REQUEST_ENCRYPT_MESSAGE);
4105                                    }
4106
4107                                    @Override
4108                                    public void success(Contact contact) {
4109                                        encryptTextMessage(message);
4110                                    }
4111
4112                                    @Override
4113                                    public void error(int error, Contact contact) {
4114                                        activity.runOnUiThread(
4115                                                () ->
4116                                                        Toast.makeText(
4117                                                                        activity,
4118                                                                        R.string
4119                                                                                .unable_to_connect_to_keychain,
4120                                                                        Toast.LENGTH_SHORT)
4121                                                                .show());
4122                                        mSendingPgpMessage.set(false);
4123                                    }
4124                                });
4125
4126            } else {
4127                showNoPGPKeyDialog(
4128                        false,
4129                        (dialog, which) -> {
4130                            conversation.setNextEncryption(Message.ENCRYPTION_NONE);
4131                            xmppService.updateConversation(conversation);
4132                            message.setEncryption(Message.ENCRYPTION_NONE);
4133                            xmppService.sendMessage(message);
4134                            messageSent();
4135                        });
4136            }
4137        } else {
4138            if (conversation.getMucOptions().pgpKeysInUse()) {
4139                if (!conversation.getMucOptions().everybodyHasKeys()) {
4140                    Toast warning =
4141                            Toast.makeText(
4142                                    getActivity(), R.string.missing_public_keys, Toast.LENGTH_LONG);
4143                    warning.setGravity(Gravity.CENTER_VERTICAL, 0, 0);
4144                    warning.show();
4145                }
4146                encryptTextMessage(message);
4147            } else {
4148                showNoPGPKeyDialog(
4149                        true,
4150                        (dialog, which) -> {
4151                            conversation.setNextEncryption(Message.ENCRYPTION_NONE);
4152                            message.setEncryption(Message.ENCRYPTION_NONE);
4153                            xmppService.updateConversation(conversation);
4154                            xmppService.sendMessage(message);
4155                            messageSent();
4156                        });
4157            }
4158        }
4159    }
4160
4161    public void encryptTextMessage(Message message) {
4162        activity.xmppConnectionService
4163                .getPgpEngine()
4164                .encrypt(
4165                        message,
4166                        new UiCallback<Message>() {
4167
4168                            @Override
4169                            public void userInputRequired(PendingIntent pi, Message message) {
4170                                startPendingIntent(pi, REQUEST_SEND_MESSAGE);
4171                            }
4172
4173                            @Override
4174                            public void success(Message message) {
4175                                // TODO the following two call can be made before the callback
4176                                getActivity().runOnUiThread(() -> messageSent());
4177                            }
4178
4179                            @Override
4180                            public void error(final int error, Message message) {
4181                                getActivity()
4182                                        .runOnUiThread(
4183                                                () -> {
4184                                                    doneSendingPgpMessage();
4185                                                    Toast.makeText(
4186                                                                    getActivity(),
4187                                                                    error == 0
4188                                                                            ? R.string
4189                                                                                    .unable_to_connect_to_keychain
4190                                                                            : error,
4191                                                                    Toast.LENGTH_SHORT)
4192                                                            .show();
4193                                                });
4194                            }
4195                        });
4196    }
4197
4198    public void showNoPGPKeyDialog(final boolean plural, final DialogInterface.OnClickListener listener) {
4199        final MaterialAlertDialogBuilder builder = new MaterialAlertDialogBuilder(requireActivity());
4200        if (plural) {
4201            builder.setTitle(getString(R.string.no_pgp_keys));
4202            builder.setMessage(getText(R.string.contacts_have_no_pgp_keys));
4203        } else {
4204            builder.setTitle(getString(R.string.no_pgp_key));
4205            builder.setMessage(getText(R.string.contact_has_no_pgp_key));
4206        }
4207        builder.setNegativeButton(getString(R.string.cancel), null);
4208        builder.setPositiveButton(getString(R.string.send_unencrypted), listener);
4209        builder.create().show();
4210    }
4211
4212    public void appendText(String text, final boolean doNotAppend) {
4213        if (text == null) {
4214            return;
4215        }
4216        final Editable editable = this.binding.textinput.getText();
4217        String previous = editable == null ? "" : editable.toString();
4218        if (doNotAppend && !TextUtils.isEmpty(previous)) {
4219            Toast.makeText(getActivity(), R.string.already_drafting_message, Toast.LENGTH_LONG)
4220                    .show();
4221            return;
4222        }
4223        if (UIHelper.isLastLineQuote(previous)) {
4224            text = '\n' + text;
4225        } else if (previous.length() != 0
4226                && !Character.isWhitespace(previous.charAt(previous.length() - 1))) {
4227            text = " " + text;
4228        }
4229        this.binding.textinput.append(text);
4230    }
4231
4232    @Override
4233    public boolean onEnterPressed(final boolean isCtrlPressed) {
4234        if (isCtrlPressed || enterIsSend()) {
4235            sendMessage();
4236            return true;
4237        }
4238        return false;
4239    }
4240
4241    private boolean enterIsSend() {
4242        final SharedPreferences p = PreferenceManager.getDefaultSharedPreferences(getActivity());
4243        return p.getBoolean("enter_is_send", getResources().getBoolean(R.bool.enter_is_send));
4244    }
4245
4246    public boolean onArrowUpCtrlPressed() {
4247        final Message lastEditableMessage =
4248                conversation == null ? null : conversation.getLastEditableMessage();
4249        if (lastEditableMessage != null) {
4250            correctMessage(lastEditableMessage);
4251            return true;
4252        } else {
4253            Toast.makeText(getActivity(), R.string.could_not_correct_message, Toast.LENGTH_LONG)
4254                    .show();
4255            return false;
4256        }
4257    }
4258
4259    @Override
4260    public void onTypingStarted() {
4261        final XmppConnectionService service =
4262                activity == null ? null : activity.xmppConnectionService;
4263        if (service == null) {
4264            return;
4265        }
4266        final Account.State status = conversation.getAccount().getStatus();
4267        if (status == Account.State.ONLINE
4268                && conversation.setOutgoingChatState(ChatState.COMPOSING)) {
4269            service.sendChatState(conversation);
4270        }
4271        runOnUiThread(this::updateSendButton);
4272    }
4273
4274    @Override
4275    public void onTypingStopped() {
4276        final XmppConnectionService service =
4277                activity == null ? null : activity.xmppConnectionService;
4278        if (service == null) {
4279            return;
4280        }
4281        final Account.State status = conversation.getAccount().getStatus();
4282        if (status == Account.State.ONLINE && conversation.setOutgoingChatState(ChatState.PAUSED)) {
4283            service.sendChatState(conversation);
4284        }
4285    }
4286
4287    @Override
4288    public void onTextDeleted() {
4289        final XmppConnectionService service =
4290                activity == null ? null : activity.xmppConnectionService;
4291        if (service == null) {
4292            return;
4293        }
4294        final Account.State status = conversation.getAccount().getStatus();
4295        if (status == Account.State.ONLINE
4296                && conversation.setOutgoingChatState(Config.DEFAULT_CHAT_STATE)) {
4297            service.sendChatState(conversation);
4298        }
4299        if (storeNextMessage()) {
4300            runOnUiThread(
4301                    () -> {
4302                        if (activity == null) {
4303                            return;
4304                        }
4305                        activity.onConversationsListItemUpdated();
4306                    });
4307        }
4308        runOnUiThread(this::updateSendButton);
4309    }
4310
4311    @Override
4312    public void onTextChanged() {
4313        if (conversation != null && conversation.getCorrectingMessage() != null) {
4314            runOnUiThread(this::updateSendButton);
4315        }
4316    }
4317
4318    @Override
4319    public boolean onTabPressed(boolean repeated) {
4320        if (conversation == null || conversation.getMode() == Conversation.MODE_SINGLE) {
4321            return false;
4322        }
4323        if (repeated) {
4324            completionIndex++;
4325        } else {
4326            lastCompletionLength = 0;
4327            completionIndex = 0;
4328            final String content = this.binding.textinput.getText().toString();
4329            lastCompletionCursor = this.binding.textinput.getSelectionEnd();
4330            int start =
4331                    lastCompletionCursor > 0
4332                            ? content.lastIndexOf(" ", lastCompletionCursor - 1) + 1
4333                            : 0;
4334            firstWord = start == 0;
4335            incomplete = content.substring(start, lastCompletionCursor);
4336        }
4337        List<String> completions = new ArrayList<>();
4338        for (MucOptions.User user : conversation.getMucOptions().getUsers()) {
4339            String name = user.getNick();
4340            if (name != null && name.startsWith(incomplete)) {
4341                completions.add(name + (firstWord ? ": " : " "));
4342            }
4343        }
4344        Collections.sort(completions);
4345        if (completions.size() > completionIndex) {
4346            String completion = completions.get(completionIndex).substring(incomplete.length());
4347            this.binding
4348                    .textinput
4349                    .getEditableText()
4350                    .delete(lastCompletionCursor, lastCompletionCursor + lastCompletionLength);
4351            this.binding.textinput.getEditableText().insert(lastCompletionCursor, completion);
4352            lastCompletionLength = completion.length();
4353        } else {
4354            completionIndex = -1;
4355            this.binding
4356                    .textinput
4357                    .getEditableText()
4358                    .delete(lastCompletionCursor, lastCompletionCursor + lastCompletionLength);
4359            lastCompletionLength = 0;
4360        }
4361        return true;
4362    }
4363
4364    private void startPendingIntent(PendingIntent pendingIntent, int requestCode) {
4365        try {
4366            getActivity()
4367                    .startIntentSenderForResult(
4368                            pendingIntent.getIntentSender(), requestCode, null, 0, 0, 0, Compatibility.pgpStartIntentSenderOptions());
4369        } catch (final SendIntentException ignored) {
4370        }
4371    }
4372
4373    @Override
4374    public void onBackendConnected() {
4375        Log.d(Config.LOGTAG, "ConversationFragment.onBackendConnected()");
4376        setupEmojiSearch();
4377        String uuid = pendingConversationsUuid.pop();
4378        if (uuid != null) {
4379            if (!findAndReInitByUuidOrArchive(uuid)) {
4380                return;
4381            }
4382        } else {
4383            if (!activity.xmppConnectionService.isConversationStillOpen(conversation)) {
4384                clearPending();
4385                activity.onConversationArchived(conversation);
4386                return;
4387            }
4388        }
4389        ActivityResult activityResult = postponedActivityResult.pop();
4390        if (activityResult != null) {
4391            handleActivityResult(activityResult);
4392        }
4393        clearPending();
4394    }
4395
4396    private boolean findAndReInitByUuidOrArchive(@NonNull final String uuid) {
4397        Conversation conversation = activity.xmppConnectionService.findConversationByUuid(uuid);
4398        if (conversation == null) {
4399            clearPending();
4400            activity.onConversationArchived(null);
4401            return false;
4402        }
4403        reInit(conversation);
4404        ScrollState scrollState = pendingScrollState.pop();
4405        String lastMessageUuid = pendingLastMessageUuid.pop();
4406        List<Attachment> attachments = pendingMediaPreviews.pop();
4407        if (scrollState != null) {
4408            setScrollPosition(scrollState, lastMessageUuid);
4409        }
4410        if (attachments != null && attachments.size() > 0) {
4411            Log.d(Config.LOGTAG, "had attachments on restore");
4412            mediaPreviewAdapter.addMediaPreviews(attachments);
4413            toggleInputMethod();
4414        }
4415        return true;
4416    }
4417
4418    private void clearPending() {
4419        if (postponedActivityResult.clear()) {
4420            Log.e(Config.LOGTAG, "cleared pending intent with unhandled result left");
4421            if (pendingTakePhotoUri.clear()) {
4422                Log.e(Config.LOGTAG, "cleared pending photo uri");
4423            }
4424        }
4425        if (pendingScrollState.clear()) {
4426            Log.e(Config.LOGTAG, "cleared scroll state");
4427        }
4428        if (pendingConversationsUuid.clear()) {
4429            Log.e(Config.LOGTAG, "cleared pending conversations uuid");
4430        }
4431        if (pendingMediaPreviews.clear()) {
4432            Log.e(Config.LOGTAG, "cleared pending media previews");
4433        }
4434    }
4435
4436    public Conversation getConversation() {
4437        return conversation;
4438    }
4439
4440    @Override
4441    public void onContactPictureLongClicked(View v, final Message message) {
4442        final String fingerprint;
4443        if (message.getEncryption() == Message.ENCRYPTION_PGP
4444                || message.getEncryption() == Message.ENCRYPTION_DECRYPTED) {
4445            fingerprint = "pgp";
4446        } else {
4447            fingerprint = message.getFingerprint();
4448        }
4449        final PopupMenu popupMenu = new PopupMenu(getActivity(), v);
4450        final Contact contact = message.getContact();
4451        if (message.getStatus() <= Message.STATUS_RECEIVED
4452                && (contact == null || !contact.isSelf())) {
4453            if (message.getConversation().getMode() == Conversation.MODE_MULTI) {
4454                final Jid cp = message.getCounterpart();
4455                if (cp == null || cp.isBareJid()) {
4456                    return;
4457                }
4458                final Jid tcp = message.getTrueCounterpart();
4459                final String occupantId = message.getOccupantId();
4460                final User userByRealJid =
4461                        tcp != null
4462                                ? conversation.getMucOptions().findOrCreateUserByRealJid(tcp, cp, occupantId)
4463                                : null;
4464                final User userByOccupantId =
4465                        occupantId != null
4466                                ? conversation.getMucOptions().findUserByOccupantId(occupantId, cp)
4467                                : null;
4468                final User user =
4469                        userByRealJid != null
4470                                ? userByRealJid
4471                                : (userByOccupantId != null ? userByOccupantId : conversation.getMucOptions().findUserByFullJid(cp));
4472                if (user == null) return;
4473                popupMenu.inflate(R.menu.muc_details_context);
4474                final Menu menu = popupMenu.getMenu();
4475                MucDetailsContextMenuHelper.configureMucDetailsContextMenu(
4476                        activity, menu, conversation, user);
4477                popupMenu.setOnMenuItemClickListener(
4478                        menuItem ->
4479                                MucDetailsContextMenuHelper.onContextItemSelected(
4480                                        menuItem, user, activity, fingerprint));
4481            } else {
4482                popupMenu.inflate(R.menu.one_on_one_context);
4483                popupMenu.setOnMenuItemClickListener(
4484                        item -> {
4485                            switch (item.getItemId()) {
4486                                case R.id.action_contact_details:
4487                                    activity.switchToContactDetails(
4488                                            message.getContact(), fingerprint);
4489                                    break;
4490                                case R.id.action_show_qr_code:
4491                                    activity.showQrCode(
4492                                            "xmpp:"
4493                                                    + message.getContact()
4494                                                            .getJid()
4495                                                            .asBareJid()
4496                                                            .toEscapedString());
4497                                    break;
4498                            }
4499                            return true;
4500                        });
4501            }
4502        } else {
4503            popupMenu.inflate(R.menu.account_context);
4504            final Menu menu = popupMenu.getMenu();
4505            menu.findItem(R.id.action_manage_accounts)
4506                    .setVisible(QuickConversationsService.isConversations());
4507            popupMenu.setOnMenuItemClickListener(
4508                    item -> {
4509                        final XmppActivity activity = this.activity;
4510                        if (activity == null) {
4511                            Log.e(Config.LOGTAG, "Unable to perform action. no context provided");
4512                            return true;
4513                        }
4514                        switch (item.getItemId()) {
4515                            case R.id.action_show_qr_code:
4516                                activity.showQrCode(conversation.getAccount().getShareableUri());
4517                                break;
4518                            case R.id.action_account_details:
4519                                activity.switchToAccount(
4520                                        message.getConversation().getAccount(), fingerprint);
4521                                break;
4522                            case R.id.action_manage_accounts:
4523                                AccountUtils.launchManageAccounts(activity);
4524                                break;
4525                        }
4526                        return true;
4527                    });
4528        }
4529        popupMenu.show();
4530    }
4531
4532    @Override
4533    public void onContactPictureClicked(Message message) {
4534        setThread(message.getThread());
4535        if (message.isPrivateMessage()) {
4536            privateMessageWith(message.getCounterpart());
4537            return;
4538        }
4539        forkNullThread(message);
4540        conversation.setUserSelectedThread(true);
4541
4542        final boolean received = message.getStatus() <= Message.STATUS_RECEIVED;
4543        if (received) {
4544            if (message.getConversation() instanceof Conversation
4545                    && message.getConversation().getMode() == Conversation.MODE_MULTI) {
4546                Jid tcp = message.getTrueCounterpart();
4547                Jid user = message.getCounterpart();
4548                if (user != null && !user.isBareJid()) {
4549                    final MucOptions mucOptions =
4550                            ((Conversation) message.getConversation()).getMucOptions();
4551                    if (mucOptions.participating()
4552                            || ((Conversation) message.getConversation()).getNextCounterpart()
4553                                    != null) {
4554                        MucOptions.User mucUser = mucOptions.findUserByFullJid(user);
4555                        MucOptions.User tcpMucUser = mucOptions.findUserByRealJid(tcp == null ? null : tcp.asBareJid());
4556                        if (mucUser == null && tcpMucUser == null) {
4557                            Toast.makeText(
4558                                            getActivity(),
4559                                            activity.getString(
4560                                                    R.string.user_has_left_conference,
4561                                                    user.getResource()),
4562                                            Toast.LENGTH_SHORT)
4563                                    .show();
4564                        }
4565                        highlightInConference(mucUser == null || mucUser.getNick() == null ? (tcpMucUser == null || tcpMucUser.getNick() == null ? user.getResource() : tcpMucUser.getNick()) : mucUser.getNick());
4566                    } else {
4567                        Toast.makeText(
4568                                        getActivity(),
4569                                        R.string.you_are_not_participating,
4570                                        Toast.LENGTH_SHORT)
4571                                .show();
4572                    }
4573                }
4574            }
4575        }
4576    }
4577
4578    private Activity requireActivity() {
4579        Activity activity = getActivity();
4580        if (activity == null) activity = this.activity;
4581        if (activity == null) {
4582            throw new IllegalStateException("Activity not attached");
4583        }
4584        return activity;
4585    }
4586}